modules/services_discovery/Makefile
modules/stream_filter/Makefile
modules/stream_out/Makefile
+ modules/stream_out/transcode/Makefile
modules/video_chroma/Makefile
modules/video_filter/Makefile
modules/video_filter/dynamicoverlay/Makefile
+SUBDIRS = transcode
+
SOURCES_stream_out_dummy = dummy.c
SOURCES_stream_out_description = description.c
SOURCES_stream_out_standard = standard.c
-SOURCES_stream_out_transcode = transcode.c
SOURCES_stream_out_duplicate = duplicate.c
SOURCES_stream_out_es = es.c
SOURCES_stream_out_display = display.c
libstream_out_dummy_plugin.la \
libstream_out_description_plugin.la \
libstream_out_standard_plugin.la \
- libstream_out_transcode_plugin.la \
libstream_out_duplicate_plugin.la \
libstream_out_es_plugin.la \
libstream_out_display_plugin.la \
+++ /dev/null
-/*****************************************************************************
- * transcode.c: transcoding stream output module
- *****************************************************************************
- * Copyright (C) 2003-2008 the VideoLAN team
- * $Id$
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Gildas Bazin <gbazin@videolan.org>
- * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
- * Antoine Cellerier <dionoea at videolan dot org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_input.h>
-#include <vlc_sout.h>
-#include <vlc_aout.h>
-#include <vlc_vout.h>
-#include <vlc_codec.h>
-#include <vlc_meta.h>
-#include <vlc_block.h>
-#include <vlc_filter.h>
-#include <vlc_osd.h>
-
-#include <math.h>
-
-#define MASTER_SYNC_MAX_DRIFT 100000
-
-#include <assert.h>
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-#define VENC_TEXT N_("Video encoder")
-#define VENC_LONGTEXT N_( \
- "This is the video encoder module that will be used (and its associated "\
- "options).")
-#define VCODEC_TEXT N_("Destination video codec")
-#define VCODEC_LONGTEXT N_( \
- "This is the video codec that will be used.")
-#define VB_TEXT N_("Video bitrate")
-#define VB_LONGTEXT N_( \
- "Target bitrate of the transcoded video stream." )
-#define SCALE_TEXT N_("Video scaling")
-#define SCALE_LONGTEXT N_( \
- "Scale factor to apply to the video while transcoding (eg: 0.25)")
-#define FPS_TEXT N_("Video frame-rate")
-#define FPS_LONGTEXT N_( \
- "Target output frame rate for the video stream." )
-#define DEINTERLACE_TEXT N_("Deinterlace video")
-#define DEINTERLACE_LONGTEXT N_( \
- "Deinterlace the video before encoding." )
-#define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
-#define DEINTERLACE_MODULE_LONGTEXT N_( \
- "Specify the deinterlace module to use." )
-#define WIDTH_TEXT N_("Video width")
-#define WIDTH_LONGTEXT N_( \
- "Output video width." )
-#define HEIGHT_TEXT N_("Video height")
-#define HEIGHT_LONGTEXT N_( \
- "Output video height." )
-#define MAXWIDTH_TEXT N_("Maximum video width")
-#define MAXWIDTH_LONGTEXT N_( \
- "Maximum output video width." )
-#define MAXHEIGHT_TEXT N_("Maximum video height")
-#define MAXHEIGHT_LONGTEXT N_( \
- "Maximum output video height." )
-#define VFILTER_TEXT N_("Video filter")
-#define VFILTER_LONGTEXT N_( \
- "Video filters will be applied to the video streams (after overlays " \
- "are applied). You must enter a comma-separated list of filters." )
-
-#define AENC_TEXT N_("Audio encoder")
-#define AENC_LONGTEXT N_( \
- "This is the audio encoder module that will be used (and its associated "\
- "options).")
-#define ACODEC_TEXT N_("Destination audio codec")
-#define ACODEC_LONGTEXT N_( \
- "This is the audio codec that will be used.")
-#define AB_TEXT N_("Audio bitrate")
-#define AB_LONGTEXT N_( \
- "Target bitrate of the transcoded audio stream." )
-#define ARATE_TEXT N_("Audio sample rate")
-#define ARATE_LONGTEXT N_( \
- "Sample rate of the transcoded audio stream (11250, 22500, 44100 or 48000).")
-#define ALANG_TEXT N_("Audio Language")
-#define ALANG_LONGTEXT N_( \
- "This is the language of the audio stream.")
-#define ACHANS_TEXT N_("Audio channels")
-#define ACHANS_LONGTEXT N_( \
- "Number of audio channels in the transcoded streams." )
-#define AFILTER_TEXT N_("Audio filter")
-#define AFILTER_LONGTEXT N_( \
- "Audio filters will be applied to the audio streams (after conversion " \
- "filters are applied). You must enter a comma-separated list of filters." )
-
-#define SENC_TEXT N_("Subtitles encoder")
-#define SENC_LONGTEXT N_( \
- "This is the subtitles encoder module that will be used (and its " \
- "associated options)." )
-#define SCODEC_TEXT N_("Destination subtitles codec")
-#define SCODEC_LONGTEXT N_( \
- "This is the subtitles codec that will be used." )
-
-#define SFILTER_TEXT N_("Overlays")
-#define SFILTER_LONGTEXT N_( \
- "This allows you to add overlays (also known as \"subpictures\" on the "\
- "transcoded video stream. The subpictures produced by the filters will "\
- "be overlayed directly onto the video. You must specify a comma-separated "\
- "list of subpicture modules" )
-
-#define OSD_TEXT N_("OSD menu")
-#define OSD_LONGTEXT N_(\
- "Stream the On Screen Display menu (using the osdmenu subpicture module)." )
-
-#define THREADS_TEXT N_("Number of threads")
-#define THREADS_LONGTEXT N_( \
- "Number of threads used for the transcoding." )
-#define HP_TEXT N_("High priority")
-#define HP_LONGTEXT N_( \
- "Runs the optional encoder thread at the OUTPUT priority instead of " \
- "VIDEO." )
-
-#define ASYNC_TEXT N_("Synchronise on audio track")
-#define ASYNC_LONGTEXT N_( \
- "This option will drop/duplicate video frames to synchronise the video " \
- "track on the audio track." )
-
-#define HURRYUP_TEXT N_( "Hurry up" )
-#define HURRYUP_LONGTEXT N_( "The transcoder will drop frames if your CPU " \
- "can't keep up with the encoding rate." )
-
-static const char *const ppsz_deinterlace_type[] =
-{
- "deinterlace", "ffmpeg-deinterlace"
-};
-
-static int Open ( vlc_object_t * );
-static void Close( vlc_object_t * );
-
-#define SOUT_CFG_PREFIX "sout-transcode-"
-
-vlc_module_begin ()
- set_shortname( N_("Transcode"))
- set_description( N_("Transcode stream output") )
- set_capability( "sout stream", 50 )
- add_shortcut( "transcode" )
- set_callbacks( Open, Close )
- set_category( CAT_SOUT )
- set_subcategory( SUBCAT_SOUT_STREAM )
- set_section( N_("Video"), NULL )
- add_module( SOUT_CFG_PREFIX "venc", "encoder", NULL, NULL, VENC_TEXT,
- VENC_LONGTEXT, false )
- add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
- VCODEC_LONGTEXT, false )
- add_integer( SOUT_CFG_PREFIX "vb", 0, NULL, VB_TEXT,
- VB_LONGTEXT, false )
- add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
- SCALE_LONGTEXT, false )
- add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
- FPS_LONGTEXT, false )
- add_bool( SOUT_CFG_PREFIX "hurry-up", true, NULL, HURRYUP_TEXT,
- HURRYUP_LONGTEXT, false )
- add_bool( SOUT_CFG_PREFIX "deinterlace", false, NULL, DEINTERLACE_TEXT,
- DEINTERLACE_LONGTEXT, false )
- add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
- DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
- false )
- change_string_list( ppsz_deinterlace_type, 0, 0 )
- add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
- WIDTH_LONGTEXT, true )
- add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
- HEIGHT_LONGTEXT, true )
- add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
- MAXWIDTH_LONGTEXT, true )
- add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
- MAXHEIGHT_LONGTEXT, true )
- add_module_list( SOUT_CFG_PREFIX "vfilter", "video filter2",
- NULL, NULL,
- VFILTER_TEXT, VFILTER_LONGTEXT, false )
-
- set_section( N_("Audio"), NULL )
- add_module( SOUT_CFG_PREFIX "aenc", "encoder", NULL, NULL, AENC_TEXT,
- AENC_LONGTEXT, false )
- add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
- ACODEC_LONGTEXT, false )
- add_integer( SOUT_CFG_PREFIX "ab", 0, NULL, AB_TEXT,
- AB_LONGTEXT, false )
- add_string( SOUT_CFG_PREFIX "alang", NULL, NULL, ALANG_TEXT,
- ALANG_LONGTEXT, true )
- add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
- ACHANS_LONGTEXT, false )
- add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
- ARATE_LONGTEXT, true )
- add_bool( SOUT_CFG_PREFIX "audio-sync", false, NULL, ASYNC_TEXT,
- ASYNC_LONGTEXT, false )
- add_module_list( SOUT_CFG_PREFIX "afilter", "audio filter",
- NULL, NULL,
- AFILTER_TEXT, AFILTER_LONGTEXT, false )
-
- set_section( N_("Overlays/Subtitles"), NULL )
- add_module( SOUT_CFG_PREFIX "senc", "encoder", NULL, NULL, SENC_TEXT,
- SENC_LONGTEXT, false )
- add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
- SCODEC_LONGTEXT, false )
- add_bool( SOUT_CFG_PREFIX "soverlay", false, NULL, SCODEC_TEXT,
- SCODEC_LONGTEXT, false )
- add_module_list( SOUT_CFG_PREFIX "sfilter", "video filter",
- NULL, NULL,
- SFILTER_TEXT, SFILTER_LONGTEXT, false )
-
- set_section( N_("On Screen Display"), NULL )
- add_bool( SOUT_CFG_PREFIX "osd", false, NULL, OSD_TEXT,
- OSD_LONGTEXT, false )
-
- set_section( N_("Miscellaneous"), NULL )
- add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
- THREADS_LONGTEXT, true )
- add_bool( SOUT_CFG_PREFIX "high-priority", false, NULL, HP_TEXT, HP_LONGTEXT,
- true )
-
-vlc_module_end ()
-
-static const char *const ppsz_sout_options[] = {
- "venc", "vcodec", "vb",
- "scale", "fps", "width", "height", "vfilter", "deinterlace",
- "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab", "alang",
- "afilter", "samplerate", "channels", "senc", "scodec", "soverlay",
- "sfilter", "osd", "audio-sync", "high-priority", "maxwidth", "maxheight",
- NULL
-};
-
-/*****************************************************************************
- * Exported prototypes
- *****************************************************************************/
-static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
-static int Del ( sout_stream_t *, sout_stream_id_t * );
-static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
-
-static int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
-static void transcode_audio_close ( sout_stream_id_t * );
-static int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
- block_t *, block_t ** );
-
-static aout_buffer_t *audio_new_buffer( decoder_t *, int );
-static void audio_del_buffer( decoder_t *, aout_buffer_t * );
-
-static int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
-static void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
-static void transcode_video_encoder_init( sout_stream_t *, sout_stream_id_t *);
-static int transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
-static int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
- block_t *, block_t ** );
-
-static picture_t *video_new_buffer_decoder( decoder_t * );
-static void video_del_buffer_decoder( decoder_t *, picture_t * );
-static void video_link_picture_decoder( decoder_t *, picture_t * );
-static void video_unlink_picture_decoder( decoder_t *, picture_t * );
-
-static int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
-static void transcode_spu_close ( sout_stream_id_t * );
-static int transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
- block_t *, block_t ** );
-
-static int transcode_osd_new ( sout_stream_t *, sout_stream_id_t * );
-static void transcode_osd_close ( sout_stream_t *, sout_stream_id_t * );
-static int transcode_osd_process( sout_stream_t *, sout_stream_id_t *,
- block_t *, block_t ** );
-
-static void* EncoderThread( vlc_object_t * p_this );
-
-static const int pi_channels_maps[6] =
-{
- 0,
- AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
- AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
- AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
- | AOUT_CHAN_REARRIGHT,
- AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
- | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
-};
-
-#define PICTURE_RING_SIZE 64
-#define SUBPICTURE_RING_SIZE 20
-
-#define ENC_FRAMERATE (25 * 1000 + .5)
-#define ENC_FRAMERATE_BASE 1000
-
-struct sout_stream_sys_t
-{
- VLC_COMMON_MEMBERS
-
- sout_stream_t *p_out;
- sout_stream_id_t *id_video;
- block_t *p_buffers;
- vlc_mutex_t lock_out;
- vlc_cond_t cond;
- picture_t * pp_pics[PICTURE_RING_SIZE];
- int i_first_pic, i_last_pic;
-
- /* Audio */
- vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
- char *psz_aenc;
- char *psz_alang;
- config_chain_t *p_audio_cfg;
- uint32_t i_sample_rate;
- uint32_t i_channels;
- int i_abitrate;
-
- char *psz_af;
-
- /* Video */
- vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
- char *psz_venc;
- config_chain_t *p_video_cfg;
- int i_vbitrate;
- double f_scale;
- double f_fps;
- unsigned int i_width, i_maxwidth;
- unsigned int i_height, i_maxheight;
- bool b_deinterlace;
- char *psz_deinterlace;
- config_chain_t *p_deinterlace_cfg;
- int i_threads;
- bool b_high_priority;
- bool b_hurry_up;
-
- char *psz_vf2;
-
- /* SPU */
- vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
- char *psz_senc;
- bool b_soverlay;
- config_chain_t *p_spu_cfg;
- spu_t *p_spu;
-
- /* OSD Menu */
- vlc_fourcc_t i_osdcodec; /* codec osd menu (0 if not transcode) */
- char *psz_osdenc;
- config_chain_t *p_osd_cfg;
- bool b_osd; /* true when osd es is registered */
-
- /* Sync */
- bool b_master_sync;
- mtime_t i_master_drift;
-};
-
-struct decoder_owner_sys_t
-{
- sout_stream_sys_t *p_sys;
-};
-
-/*****************************************************************************
- * Open:
- *****************************************************************************/
-static int Open( vlc_object_t *p_this )
-{
- sout_stream_t *p_stream = (sout_stream_t*)p_this;
- sout_stream_sys_t *p_sys;
- vlc_value_t val;
-
- p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
-
- p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
- if( !p_sys->p_out )
- {
- msg_Err( p_stream, "cannot create chain" );
- vlc_object_release( p_sys );
- return VLC_EGENERIC;
- }
-
- p_sys->i_master_drift = 0;
-
- config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
- p_stream->p_cfg );
-
- /* Audio transcoding parameters */
- var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
- p_sys->psz_aenc = NULL;
- p_sys->p_audio_cfg = NULL;
- if( val.psz_string && *val.psz_string )
- {
- char *psz_next;
- psz_next = config_ChainCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
- val.psz_string );
- free( psz_next );
- }
- free( val.psz_string );
-
- var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
- p_sys->i_acodec = 0;
- if( val.psz_string && *val.psz_string )
- {
- char fcc[4] = " ";
- memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
- p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
- }
- free( val.psz_string );
-
- p_sys->psz_alang = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "alang" );
-
- var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
- p_sys->i_abitrate = val.i_int;
- if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
- p_sys->i_sample_rate = val.i_int;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
- p_sys->i_channels = val.i_int;
-
- if( p_sys->i_acodec )
- {
- if( ( p_sys->i_acodec == VLC_CODEC_MP3 ||
- p_sys->i_acodec == VLC_CODEC_MPGA ) && p_sys->i_channels > 2 )
- {
- msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
- p_sys->i_channels );
- p_sys->i_channels = 2;
- }
- msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
- (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
- p_sys->i_channels, p_sys->i_abitrate / 1000 );
- }
-
- var_Get( p_stream, SOUT_CFG_PREFIX "afilter", &val );
- if( val.psz_string && *val.psz_string )
- p_sys->psz_af = val.psz_string;
- else
- {
- free( val.psz_string );
- p_sys->psz_af = NULL;
- }
-
- /* Video transcoding parameters */
- var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
- p_sys->psz_venc = NULL;
- p_sys->p_video_cfg = NULL;
- if( val.psz_string && *val.psz_string )
- {
- char *psz_next;
- psz_next = config_ChainCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
- val.psz_string );
- free( psz_next );
- }
- free( val.psz_string );
-
- var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
- p_sys->i_vcodec = 0;
- if( val.psz_string && *val.psz_string )
- {
- char fcc[4] = " ";
- memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
- p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
- }
- free( val.psz_string );
-
- var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
- p_sys->i_vbitrate = val.i_int;
- if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
- p_sys->f_scale = val.f_float;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
- p_sys->f_fps = val.f_float;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
- p_sys->b_hurry_up = val.b_bool;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
- p_sys->i_width = val.i_int;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
- p_sys->i_height = val.i_int;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
- p_sys->i_maxwidth = val.i_int;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
- p_sys->i_maxheight = val.i_int;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
- if( val.psz_string && *val.psz_string )
- p_sys->psz_vf2 = val.psz_string;
- else
- {
- free( val.psz_string );
- p_sys->psz_vf2 = NULL;
- }
-
- var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
- p_sys->b_deinterlace = val.b_bool;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
- p_sys->psz_deinterlace = NULL;
- p_sys->p_deinterlace_cfg = NULL;
- if( val.psz_string && *val.psz_string )
- {
- char *psz_next;
- psz_next = config_ChainCreate( &p_sys->psz_deinterlace,
- &p_sys->p_deinterlace_cfg,
- val.psz_string );
- free( psz_next );
- }
- free( val.psz_string );
-
- var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
- p_sys->i_threads = val.i_int;
- var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
- p_sys->b_high_priority = val.b_bool;
-
- if( p_sys->i_vcodec )
- {
- msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
- (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
- p_sys->f_scale, p_sys->i_vbitrate / 1000 );
- }
-
- /* Subpictures transcoding parameters */
- p_sys->p_spu = NULL;
- p_sys->psz_senc = NULL;
- p_sys->p_spu_cfg = NULL;
- p_sys->i_scodec = 0;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
- if( val.psz_string && *val.psz_string )
- {
- char *psz_next;
- psz_next = config_ChainCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
- val.psz_string );
- free( psz_next );
- }
- free( val.psz_string );
-
- var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
- if( val.psz_string && *val.psz_string )
- {
- char fcc[4] = " ";
- memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
- p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
- }
- free( val.psz_string );
-
- if( p_sys->i_scodec )
- {
- msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
- }
-
- var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
- p_sys->b_soverlay = val.b_bool;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
- if( val.psz_string && *val.psz_string )
- {
- p_sys->p_spu = spu_Create( p_stream );
- var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
- var_Set( p_sys->p_spu, "sub-filter", val );
- spu_Init( p_sys->p_spu );
- }
- free( val.psz_string );
-
- /* OSD menu transcoding parameters */
- p_sys->psz_osdenc = NULL;
- p_sys->p_osd_cfg = NULL;
- p_sys->i_osdcodec = 0;
- p_sys->b_osd = false;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val );
- if( val.b_bool )
- {
- vlc_value_t osd_val;
- char *psz_next;
-
- psz_next = config_ChainCreate( &p_sys->psz_osdenc,
- &p_sys->p_osd_cfg, strdup( "dvbsub") );
- free( psz_next );
-
- p_sys->i_osdcodec = VLC_CODEC_YUVP;
-
- msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
-
- if( !p_sys->p_spu )
- {
- osd_val.psz_string = strdup("osdmenu");
- p_sys->p_spu = spu_Create( p_stream );
- var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
- var_Set( p_sys->p_spu, "sub-filter", osd_val );
- spu_Init( p_sys->p_spu );
- free( osd_val.psz_string );
- }
- else
- {
- osd_val.psz_string = strdup("osdmenu");
- var_Set( p_sys->p_spu, "sub-filter", osd_val );
- free( osd_val.psz_string );
- }
- }
-
- /* Audio settings */
- var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
- p_sys->b_master_sync = val.b_bool;
- if( p_sys->f_fps > 0 ) p_sys->b_master_sync = true;
-
- p_stream->pf_add = Add;
- p_stream->pf_del = Del;
- p_stream->pf_send = Send;
- p_stream->p_sys = p_sys;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Close:
- *****************************************************************************/
-static void Close( vlc_object_t * p_this )
-{
- sout_stream_t *p_stream = (sout_stream_t*)p_this;
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- sout_StreamDelete( p_sys->p_out );
-
- free( p_sys->psz_af );
-
- config_ChainDestroy( p_sys->p_audio_cfg );
- free( p_sys->psz_aenc );
- free( p_sys->psz_alang );
-
- free( p_sys->psz_vf2 );
-
- config_ChainDestroy( p_sys->p_video_cfg );
- free( p_sys->psz_venc );
-
- config_ChainDestroy( p_sys->p_deinterlace_cfg );
- free( p_sys->psz_deinterlace );
-
- config_ChainDestroy( p_sys->p_spu_cfg );
- free( p_sys->psz_senc );
-
- if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
-
- config_ChainDestroy( p_sys->p_osd_cfg );
- free( p_sys->psz_osdenc );
-
- vlc_object_release( p_sys );
-}
-
-struct sout_stream_id_t
-{
- bool b_transcode;
-
- /* id of the out stream */
- void *id;
-
- /* Decoder */
- decoder_t *p_decoder;
-
- /* Filters */
- filter_chain_t *p_f_chain;
- /* User specified filters */
- filter_chain_t *p_uf_chain;
-
- /* Encoder */
- encoder_t *p_encoder;
-
- /* Sync */
- date_t interpolated_pts;
-};
-
-static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- sout_stream_id_t *id;
-
- id = calloc( 1, sizeof( sout_stream_id_t ) );
- if( !id )
- goto error;
-
- id->id = NULL;
- id->p_decoder = NULL;
- id->p_encoder = NULL;
-
- /* Create decoder object */
- id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
- if( !id->p_decoder )
- goto error;
- vlc_object_attach( id->p_decoder, p_stream );
- id->p_decoder->p_module = NULL;
- id->p_decoder->fmt_in = *p_fmt;
- id->p_decoder->b_pace_control = true;
-
- /* Create encoder object */
- id->p_encoder = sout_EncoderCreate( p_stream );
- if( !id->p_encoder )
- goto error;
- vlc_object_attach( id->p_encoder, p_stream );
- id->p_encoder->p_module = NULL;
-
- /* Create destination format */
- es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
- id->p_encoder->fmt_out.i_id = p_fmt->i_id;
- id->p_encoder->fmt_out.i_group = p_fmt->i_group;
-
- if( p_sys->psz_alang )
- id->p_encoder->fmt_out.psz_language = strdup( p_sys->psz_alang );
- else if( p_fmt->psz_language )
- id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
-
- if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
- {
- msg_Dbg( p_stream,
- "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
- (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
-
- /* Complete destination format */
- id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
- id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
- p_sys->i_sample_rate : p_fmt->audio.i_rate;
- id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
- id->p_encoder->fmt_out.audio.i_bitspersample =
- p_fmt->audio.i_bitspersample;
- id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
- p_sys->i_channels : p_fmt->audio.i_channels;
- /* Sanity check for audio channels */
- id->p_encoder->fmt_out.audio.i_channels =
- __MIN( id->p_encoder->fmt_out.audio.i_channels,
- id->p_decoder->fmt_in.audio.i_channels );
- id->p_encoder->fmt_out.audio.i_original_channels =
- id->p_decoder->fmt_in.audio.i_physical_channels;
- if( id->p_decoder->fmt_in.audio.i_channels ==
- id->p_encoder->fmt_out.audio.i_channels )
- {
- id->p_encoder->fmt_out.audio.i_physical_channels =
- id->p_decoder->fmt_in.audio.i_physical_channels;
- }
- else
- {
- id->p_encoder->fmt_out.audio.i_physical_channels =
- pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
- }
-
- /* Build decoder -> filter -> encoder chain */
- if( transcode_audio_new( p_stream, id ) )
- {
- msg_Err( p_stream, "cannot create audio chain" );
- goto error;
- }
-
- /* Open output stream */
- id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_encoder->fmt_out );
- id->b_transcode = true;
-
- if( !id->id )
- {
- transcode_audio_close( id );
- goto error;
- }
-
- date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
- }
- else if( p_fmt->i_cat == VIDEO_ES &&
- (p_sys->i_vcodec != 0 || p_sys->psz_venc) )
- {
- msg_Dbg( p_stream,
- "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
- (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
-
- /* Complete destination format */
- id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
- id->p_encoder->fmt_out.video.i_width = p_sys->i_width & ~1;
- id->p_encoder->fmt_out.video.i_height = p_sys->i_height & ~1;
- id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
-
- /* Build decoder -> filter -> encoder chain */
- if( transcode_video_new( p_stream, id ) )
- {
- msg_Err( p_stream, "cannot create video chain" );
- goto error;
- }
-
- /* Stream will be added later on because we don't know
- * all the characteristics of the decoded stream yet */
- id->b_transcode = true;
-
- if( p_sys->f_fps > 0 )
- {
- id->p_encoder->fmt_out.video.i_frame_rate =
- (p_sys->f_fps * 1000) + 0.5;
- id->p_encoder->fmt_out.video.i_frame_rate_base =
- ENC_FRAMERATE_BASE;
- }
- }
- else if( ( p_fmt->i_cat == SPU_ES ) &&
- ( p_sys->i_scodec || p_sys->psz_senc ) )
- {
- msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
- "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
- (char*)&p_sys->i_scodec );
-
- /* Complete destination format */
- id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
-
- /* build decoder -> filter -> encoder */
- if( transcode_spu_new( p_stream, id ) )
- {
- msg_Err( p_stream, "cannot create subtitles chain" );
- goto error;
- }
-
- /* open output stream */
- id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_encoder->fmt_out );
- id->b_transcode = true;
-
- if( !id->id )
- {
- transcode_spu_close( id );
- goto error;
- }
- }
- else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
- {
- msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
- (char*)&p_fmt->i_codec );
-
- id->b_transcode = true;
-
- /* Build decoder -> filter -> overlaying chain */
- if( transcode_spu_new( p_stream, id ) )
- {
- msg_Err( p_stream, "cannot create subtitles chain" );
- goto error;
- }
- }
- else if( !p_sys->b_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
- {
- msg_Dbg( p_stream, "creating osd transcoding from fcc=`%4.4s' "
- "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
- (char*)&p_sys->i_scodec );
-
- id->b_transcode = true;
-
- /* Create a fake OSD menu elementary stream */
- if( transcode_osd_new( p_stream, id ) )
- {
- msg_Err( p_stream, "cannot create osd chain" );
- goto error;
- }
- p_sys->b_osd = true;
- }
- else
- {
- msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
- (char*)&p_fmt->i_codec );
- id->id = sout_StreamIdAdd( p_sys->p_out, p_fmt );
- id->b_transcode = false;
-
- if( !id->id ) goto error;
- }
-
- return id;
-
-error:
- if( id )
- {
- if( id->p_decoder )
- {
- vlc_object_detach( id->p_decoder );
- vlc_object_release( id->p_decoder );
- id->p_decoder = NULL;
- }
-
- if( id->p_encoder )
- {
- vlc_object_detach( id->p_encoder );
- es_format_Clean( &id->p_encoder->fmt_out );
- vlc_object_release( id->p_encoder );
- id->p_encoder = NULL;
- }
-
- free( id );
- }
- return NULL;
-}
-
-static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- if( id->b_transcode )
- {
- switch( id->p_decoder->fmt_in.i_cat )
- {
- case AUDIO_ES:
- transcode_audio_close( id );
- break;
- case VIDEO_ES:
- transcode_video_close( p_stream, id );
- break;
- case SPU_ES:
- if( p_sys->b_osd )
- transcode_osd_close( p_stream, id );
- else
- transcode_spu_close( id );
- break;
- }
- }
-
- if( id->id ) sout_StreamIdDel( p_sys->p_out, id->id );
-
- if( id->p_decoder )
- {
- vlc_object_detach( id->p_decoder );
- vlc_object_release( id->p_decoder );
- id->p_decoder = NULL;
- }
-
- if( id->p_encoder )
- {
- vlc_object_detach( id->p_encoder );
- es_format_Clean( &id->p_encoder->fmt_out );
- vlc_object_release( id->p_encoder );
- id->p_encoder = NULL;
- }
- free( id );
-
- return VLC_SUCCESS;
-}
-
-static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
- block_t *p_buffer )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- block_t *p_out = NULL;
-
- if( !id->b_transcode )
- {
- if( id->id )
- return sout_StreamIdSend( p_sys->p_out, id->id, p_buffer );
-
- block_Release( p_buffer );
- return VLC_EGENERIC;
- }
-
- switch( id->p_decoder->fmt_in.i_cat )
- {
- case AUDIO_ES:
- transcode_audio_process( p_stream, id, p_buffer, &p_out );
- break;
-
- case VIDEO_ES:
- if( transcode_video_process( p_stream, id, p_buffer, &p_out )
- != VLC_SUCCESS )
- {
- return VLC_EGENERIC;
- }
- break;
-
- case SPU_ES:
- /* Transcode OSD menu pictures. */
- if( p_sys->b_osd )
- {
- if( transcode_osd_process( p_stream, id, p_buffer, &p_out ) !=
- VLC_SUCCESS )
- {
- return VLC_EGENERIC;
- }
- }
- else if ( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
- VLC_SUCCESS )
- {
- return VLC_EGENERIC;
- }
- break;
-
- default:
- p_out = NULL;
- block_Release( p_buffer );
- break;
- }
-
- if( p_out )
- return sout_StreamIdSend( p_sys->p_out, id->id, p_out );
- return VLC_SUCCESS;
-}
-
-/****************************************************************************
- * decoder helper
- ****************************************************************************/
-static inline void video_timer_start( encoder_t * p_encoder )
-{
- stats_TimerStart( p_encoder, "encoding video frame",
- STATS_TIMER_VIDEO_FRAME_ENCODING );
-}
-
-static inline void video_timer_stop( encoder_t * p_encoder )
-{
- stats_TimerStop( p_encoder, STATS_TIMER_VIDEO_FRAME_ENCODING );
-}
-
-static inline void video_timer_close( encoder_t * p_encoder )
-{
- stats_TimerDump( p_encoder, STATS_TIMER_VIDEO_FRAME_ENCODING );
- stats_TimerClean( p_encoder, STATS_TIMER_VIDEO_FRAME_ENCODING );
-}
-
-static inline void audio_timer_start( encoder_t * p_encoder )
-{
- stats_TimerStart( p_encoder, "encoding audio frame",
- STATS_TIMER_AUDIO_FRAME_ENCODING );
-}
-
-static inline void audio_timer_stop( encoder_t * p_encoder )
-{
- stats_TimerStop( p_encoder, STATS_TIMER_AUDIO_FRAME_ENCODING );
-}
-
-static inline void audio_timer_close( encoder_t * p_encoder )
-{
- stats_TimerDump( p_encoder, STATS_TIMER_AUDIO_FRAME_ENCODING );
- stats_TimerClean( p_encoder, STATS_TIMER_AUDIO_FRAME_ENCODING );
-}
-
-/****************************************************************************
- * decoder reencoder part
- ****************************************************************************/
-
-static block_t *transcode_audio_alloc( filter_t *p_filter, int size )
-{
- VLC_UNUSED( p_filter );
- return block_Alloc( size );
-}
-
-static int transcode_audio_filter_allocation_init( filter_t *p_filter,
- void *data )
-{
- VLC_UNUSED(data);
- p_filter->pf_audio_buffer_new = transcode_audio_alloc;
- return VLC_SUCCESS;
-}
-
-static bool transcode_audio_filter_needed( const es_format_t *p_fmt1, const es_format_t *p_fmt2 )
-{
- if( p_fmt1->i_codec != p_fmt2->i_codec ||
- p_fmt1->audio.i_channels != p_fmt2->audio.i_channels ||
- p_fmt1->audio.i_rate != p_fmt2->audio.i_rate )
- return true;
- return false;
-}
-static int transcode_audio_filter_chain_build( sout_stream_t *p_stream, filter_chain_t *p_chain,
- const es_format_t *p_dst, const es_format_t *p_src )
-{
- if( !transcode_audio_filter_needed( p_dst, p_src ) )
- return VLC_SUCCESS;
-
- es_format_t current = *p_src;
-
- msg_Dbg( p_stream, "Looking for filter "
- "(%4.4s->%4.4s, channels %d->%d, rate %d->%d)",
- (const char *)&p_src->i_codec,
- (const char *)&p_dst->i_codec,
- p_src->audio.i_channels,
- p_dst->audio.i_channels,
- p_src->audio.i_rate,
- p_dst->audio.i_rate );
-
- /* If any filter is needed, convert to fl32 */
- if( current.i_codec != VLC_CODEC_FL32 )
- {
- /* First step, convert to fl32 */
- current.i_codec =
- current.audio.i_format = VLC_CODEC_FL32;
-
- if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
- {
- msg_Err( p_stream, "Failed to find conversion filter to fl32" );
- return VLC_EGENERIC;
- }
- current = *filter_chain_GetFmtOut( p_chain );
- }
-
- /* Fix sample rate */
- if( current.audio.i_rate != p_dst->audio.i_rate )
- {
- current.audio.i_rate = p_dst->audio.i_rate;
- if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
- {
- msg_Err( p_stream, "Failed to find conversion filter for resampling" );
- return VLC_EGENERIC;
- }
- current = *filter_chain_GetFmtOut( p_chain );
- }
-
- /* Fix channels */
- if( current.audio.i_channels != p_dst->audio.i_channels )
- {
- current.audio.i_channels = p_dst->audio.i_channels;
- current.audio.i_physical_channels = p_dst->audio.i_physical_channels;
- current.audio.i_original_channels = p_dst->audio.i_original_channels;
-
- if( ( !current.audio.i_physical_channels || !current.audio.i_original_channels ) &&
- current.audio.i_channels < 6 )
- current.audio.i_physical_channels =
- current.audio.i_original_channels = pi_channels_maps[current.audio.i_channels];
-
- if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
- {
- msg_Err( p_stream, "Failed to find conversion filter for channel mixing" );
- return VLC_EGENERIC;
- }
- current = *filter_chain_GetFmtOut( p_chain );
- }
-
- /* And last step, convert to the requested codec */
- if( current.i_codec != p_dst->i_codec )
- {
- current.i_codec = p_dst->i_codec;
- if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
- {
- msg_Err( p_stream, "Failed to find conversion filter to %4.4s",
- (const char*)&p_dst->i_codec);
- return VLC_EGENERIC;
- }
- current = *filter_chain_GetFmtOut( p_chain );
- }
-
- if( transcode_audio_filter_needed( p_dst, ¤t ) )
- {
- /* Weird case, a filter has side effects, doomed */
- msg_Err( p_stream, "Failed to create a valid audio filter chain" );
- return VLC_EGENERIC;
- }
-
- msg_Dbg( p_stream, "Got complete audio filter chain" );
- return VLC_SUCCESS;
-}
-
-static int transcode_audio_new( sout_stream_t *p_stream,
- sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- es_format_t fmt_last;
-
- /*
- * Open decoder
- */
-
- /* Initialization of decoder structures */
- id->p_decoder->fmt_out = id->p_decoder->fmt_in;
- id->p_decoder->fmt_out.i_extra = 0;
- id->p_decoder->fmt_out.p_extra = 0;
- id->p_decoder->pf_decode_audio = NULL;
- id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
- id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
- /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
-
- id->p_decoder->p_module =
- module_need( id->p_decoder, "decoder", "$codec", false );
- if( !id->p_decoder->p_module )
- {
- msg_Err( p_stream, "cannot find audio decoder" );
- return VLC_EGENERIC;
- }
- id->p_decoder->fmt_out.audio.i_bitspersample =
- aout_BitsPerSample( id->p_decoder->fmt_out.i_codec );
- fmt_last = id->p_decoder->fmt_out;
- /* Fix AAC SBR changing number of channels and sampling rate */
- if( !(id->p_decoder->fmt_in.i_codec == VLC_CODEC_MP4A &&
- fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
- fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels) )
- fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
-
- /*
- * Open encoder
- */
-
- /* Initialization of encoder format structures */
- es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
- id->p_decoder->fmt_out.i_codec );
- id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
-
- id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
- id->p_encoder->fmt_in.audio.i_physical_channels =
- id->p_encoder->fmt_out.audio.i_physical_channels;
- id->p_encoder->fmt_in.audio.i_original_channels =
- id->p_encoder->fmt_out.audio.i_original_channels;
- id->p_encoder->fmt_in.audio.i_channels =
- id->p_encoder->fmt_out.audio.i_channels;
- id->p_encoder->fmt_in.audio.i_bitspersample =
- aout_BitsPerSample( id->p_encoder->fmt_in.i_codec );
-
- id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
- id->p_encoder->p_module =
- module_need( id->p_encoder, "encoder", p_sys->psz_aenc, true );
- if( !id->p_encoder->p_module )
- {
- msg_Err( p_stream, "cannot find audio encoder (module:%s fourcc:%4.4s)",
- p_sys->psz_aenc ? p_sys->psz_aenc : "any",
- (char *)&p_sys->i_acodec );
- module_unneed( id->p_decoder, id->p_decoder->p_module );
- id->p_decoder->p_module = NULL;
- return VLC_EGENERIC;
- }
- id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
- id->p_encoder->fmt_in.audio.i_bitspersample =
- aout_BitsPerSample( id->p_encoder->fmt_in.i_codec );
-
- /* Load user specified audio filters */
- if( p_sys->psz_af )
- {
- es_format_t fmt_fl32 = fmt_last;
- fmt_fl32.i_codec =
- fmt_fl32.audio.i_format = VLC_CODEC_FL32;
- if( transcode_audio_filter_chain_build( p_stream, id->p_uf_chain,
- &fmt_fl32, &fmt_last ) )
- {
- transcode_audio_close( id );
- return VLC_EGENERIC;
- }
- fmt_last = fmt_fl32;
-
- id->p_uf_chain = filter_chain_New( p_stream, "audio filter", false,
- transcode_audio_filter_allocation_init, NULL, NULL );
- filter_chain_Reset( id->p_uf_chain, &fmt_last, &fmt_fl32 );
- if( filter_chain_AppendFromString( id->p_uf_chain, p_sys->psz_af ) > 0 )
- fmt_last = *filter_chain_GetFmtOut( id->p_uf_chain );
- }
-
- /* Load conversion filters */
- id->p_f_chain = filter_chain_New( p_stream, "audio filter", true,
- transcode_audio_filter_allocation_init, NULL, NULL );
- filter_chain_Reset( id->p_f_chain, &fmt_last, &id->p_encoder->fmt_in );
-
- if( transcode_audio_filter_chain_build( p_stream, id->p_f_chain,
- &id->p_encoder->fmt_in, &fmt_last ) )
- {
- transcode_audio_close( id );
- return VLC_EGENERIC;
- }
- fmt_last = id->p_encoder->fmt_in;
-
- /* */
- id->p_encoder->fmt_out.i_codec =
- vlc_fourcc_GetCodec( AUDIO_ES, id->p_encoder->fmt_out.i_codec );
-
- return VLC_SUCCESS;
-}
-
-static void transcode_audio_close( sout_stream_id_t *id )
-{
- audio_timer_close( id->p_encoder );
-
- /* Close decoder */
- if( id->p_decoder->p_module )
- module_unneed( id->p_decoder, id->p_decoder->p_module );
- id->p_decoder->p_module = NULL;
-
- if( id->p_decoder->p_description )
- vlc_meta_Delete( id->p_decoder->p_description );
- id->p_decoder->p_description = NULL;
-
- /* Close encoder */
- if( id->p_encoder->p_module )
- module_unneed( id->p_encoder, id->p_encoder->p_module );
- id->p_encoder->p_module = NULL;
-
- /* Close filters */
- if( id->p_uf_chain )
- filter_chain_Delete( id->p_uf_chain );
- if( id->p_f_chain )
- filter_chain_Delete( id->p_f_chain );
-}
-
-static int transcode_audio_process( sout_stream_t *p_stream,
- sout_stream_id_t *id,
- block_t *in, block_t **out )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- block_t *p_block, *p_audio_buf;
- *out = NULL;
-
- while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
- &in )) )
- {
- sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_AUDIO, 1 );
- if( p_sys->b_master_sync )
- {
- mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
- if ( p_audio_buf->i_pts - i_dts > MASTER_SYNC_MAX_DRIFT
- || p_audio_buf->i_pts - i_dts < -MASTER_SYNC_MAX_DRIFT )
- {
- msg_Dbg( p_stream, "drift is too high, resetting master sync" );
- date_Set( &id->interpolated_pts, p_audio_buf->i_pts );
- i_dts = p_audio_buf->i_pts + 1;
- }
- p_sys->i_master_drift = p_audio_buf->i_pts - i_dts;
- date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
- p_audio_buf->i_pts -= p_sys->i_master_drift;
- }
-
- p_audio_buf->i_dts = p_audio_buf->i_pts;
-
- /* Run filter chain */
- if( id->p_uf_chain )
- {
- p_audio_buf = filter_chain_AudioFilter( id->p_uf_chain,
- p_audio_buf );
- if( !p_audio_buf )
- abort();
- }
-
- p_audio_buf = filter_chain_AudioFilter( id->p_f_chain, p_audio_buf );
- if( !p_audio_buf )
- abort();
-
- p_audio_buf->i_pts = p_audio_buf->i_dts;
-
- audio_timer_start( id->p_encoder );
- p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
- audio_timer_stop( id->p_encoder );
-
- block_ChainAppend( out, p_block );
- block_Release( p_audio_buf );
- }
-
- return VLC_SUCCESS;
-}
-
-static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
-{
- block_t *p_block;
- int i_size;
-
- if( p_dec->fmt_out.audio.i_bitspersample )
- {
- i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
- p_dec->fmt_out.audio.i_channels;
- }
- else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
- p_dec->fmt_out.audio.i_frame_length )
- {
- i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
- p_dec->fmt_out.audio.i_frame_length;
- }
- else
- {
- i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
- }
-
- p_block = block_New( p_dec, i_size );
- p_block->i_nb_samples = i_samples;
- return p_block;
-}
-
-static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
-{
- VLC_UNUSED(p_dec);
- block_Release( p_buffer );
-}
-
-/*
- * video
- */
-
-static picture_t *transcode_video_filter_buffer_new( filter_t *p_filter )
-{
- p_filter->fmt_out.video.i_chroma = p_filter->fmt_out.i_codec;
- return picture_New( p_filter->fmt_out.video.i_chroma,
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_height,
- p_filter->fmt_out.video.i_aspect );
-}
-static void transcode_video_filter_buffer_del( filter_t *p_filter, picture_t *p_pic )
-{
- VLC_UNUSED(p_filter);
- picture_Release( p_pic );
-}
-
-static int transcode_video_filter_allocation_init( filter_t *p_filter,
- void *p_data )
-{
- VLC_UNUSED(p_data);
- p_filter->pf_vout_buffer_new = transcode_video_filter_buffer_new;
- p_filter->pf_vout_buffer_del = transcode_video_filter_buffer_del;
- return VLC_SUCCESS;
-}
-
-static void transcode_video_filter_allocation_clear( filter_t *p_filter )
-{
- VLC_UNUSED(p_filter);
-}
-
-static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- /* Open decoder
- * Initialization of decoder structures
- */
- id->p_decoder->fmt_out = id->p_decoder->fmt_in;
- id->p_decoder->fmt_out.i_extra = 0;
- id->p_decoder->fmt_out.p_extra = 0;
- id->p_decoder->pf_decode_video = NULL;
- id->p_decoder->pf_get_cc = NULL;
- id->p_decoder->pf_get_cc = 0;
- id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
- id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
- id->p_decoder->pf_picture_link = video_link_picture_decoder;
- id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
- id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
- if( !id->p_decoder->p_owner )
- return VLC_EGENERIC;
-
- id->p_decoder->p_owner->p_sys = p_sys;
- /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
-
- id->p_decoder->p_module =
- module_need( id->p_decoder, "decoder", "$codec", false );
-
- if( !id->p_decoder->p_module )
- {
- msg_Err( p_stream, "cannot find video decoder" );
- free( id->p_decoder->p_owner );
- return VLC_EGENERIC;
- }
-
- /*
- * Open encoder.
- * Because some info about the decoded input will only be available
- * once the first frame is decoded, we actually only test the availability
- * of the encoder here.
- */
-
- /* Initialization of encoder format structures */
- es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
- id->p_decoder->fmt_out.i_codec );
- id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
-
- /* The dimensions will be set properly later on.
- * Just put sensible values so we can test an encoder is available. */
- id->p_encoder->fmt_in.video.i_width =
- id->p_encoder->fmt_out.video.i_width
- ? id->p_encoder->fmt_out.video.i_width
- : id->p_decoder->fmt_in.video.i_width
- ? id->p_decoder->fmt_in.video.i_width : 16;
- id->p_encoder->fmt_in.video.i_height =
- id->p_encoder->fmt_out.video.i_height
- ? id->p_encoder->fmt_out.video.i_height
- : id->p_decoder->fmt_in.video.i_height
- ? id->p_decoder->fmt_in.video.i_height : 16;
- id->p_encoder->fmt_in.video.i_frame_rate = ENC_FRAMERATE;
- id->p_encoder->fmt_in.video.i_frame_rate_base = ENC_FRAMERATE_BASE;
-
- id->p_encoder->i_threads = p_sys->i_threads;
- id->p_encoder->p_cfg = p_sys->p_video_cfg;
-
- id->p_encoder->p_module =
- module_need( id->p_encoder, "encoder", p_sys->psz_venc, true );
- if( !id->p_encoder->p_module )
- {
- msg_Err( p_stream, "cannot find video encoder (module:%s fourcc:%4.4s)",
- p_sys->psz_venc ? p_sys->psz_venc : "any",
- (char *)&p_sys->i_vcodec );
- module_unneed( id->p_decoder, id->p_decoder->p_module );
- id->p_decoder->p_module = 0;
- free( id->p_decoder->p_owner );
- return VLC_EGENERIC;
- }
-
- /* Close the encoder.
- * We'll open it only when we have the first frame. */
- module_unneed( id->p_encoder, id->p_encoder->p_module );
- if( id->p_encoder->fmt_out.p_extra )
- {
- free( id->p_encoder->fmt_out.p_extra );
- id->p_encoder->fmt_out.p_extra = NULL;
- id->p_encoder->fmt_out.i_extra = 0;
- }
- id->p_encoder->p_module = NULL;
-
- if( p_sys->i_threads >= 1 )
- {
- int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
- VLC_THREAD_PRIORITY_VIDEO;
- p_sys->id_video = id;
- vlc_mutex_init( &p_sys->lock_out );
- vlc_cond_init( &p_sys->cond );
- memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
- p_sys->i_first_pic = 0;
- p_sys->i_last_pic = 0;
- p_sys->p_buffers = NULL;
- p_sys->b_die = p_sys->b_error = 0;
- if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority ) )
- {
- msg_Err( p_stream, "cannot spawn encoder thread" );
- module_unneed( id->p_decoder, id->p_decoder->p_module );
- id->p_decoder->p_module = 0;
- free( id->p_decoder->p_owner );
- return VLC_EGENERIC;
- }
- }
-
- return VLC_SUCCESS;
-}
-
-static void transcode_video_encoder_init( sout_stream_t *p_stream,
- sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- /* Calculate scaling
- * width/height of source */
- int i_src_width = id->p_decoder->fmt_out.video.i_width;
- int i_src_height = id->p_decoder->fmt_out.video.i_height;
-
- /* with/height scaling */
- float f_scale_width = 1;
- float f_scale_height = 1;
-
- /* width/height of output stream */
- int i_dst_width;
- int i_dst_height;
-
- /* aspect ratio */
- float f_aspect = (float)id->p_decoder->fmt_out.video.i_aspect /
- VOUT_ASPECT_FACTOR;
-
- msg_Dbg( p_stream, "decoder aspect is %i:%i",
- id->p_decoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
-
- /* Change f_aspect from source frame to source pixel */
- f_aspect = f_aspect * i_src_height / i_src_width;
- msg_Dbg( p_stream, "source pixel aspect is %f:1", f_aspect );
-
- /* Calculate scaling factor for specified parameters */
- if( id->p_encoder->fmt_out.video.i_width <= 0 &&
- id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
- {
- /* Global scaling. Make sure width will remain a factor of 16 */
- float f_real_scale;
- int i_new_height;
- int i_new_width = i_src_width * p_sys->f_scale;
-
- if( i_new_width % 16 <= 7 && i_new_width >= 16 )
- i_new_width -= i_new_width % 16;
- else
- i_new_width += 16 - i_new_width % 16;
-
- f_real_scale = (float)( i_new_width ) / (float) i_src_width;
-
- i_new_height = __MAX( 16, i_src_height * (float)f_real_scale );
-
- f_scale_width = f_real_scale;
- f_scale_height = (float) i_new_height / (float) i_src_height;
- }
- else if( id->p_encoder->fmt_out.video.i_width > 0 &&
- id->p_encoder->fmt_out.video.i_height <= 0 )
- {
- /* Only width specified */
- f_scale_width = (float)id->p_encoder->fmt_out.video.i_width/i_src_width;
- f_scale_height = f_scale_width;
- }
- else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
- id->p_encoder->fmt_out.video.i_height > 0 )
- {
- /* Only height specified */
- f_scale_height = (float)id->p_encoder->fmt_out.video.i_height/i_src_height;
- f_scale_width = f_scale_height;
- }
- else if( id->p_encoder->fmt_out.video.i_width > 0 &&
- id->p_encoder->fmt_out.video.i_height > 0 )
- {
- /* Width and height specified */
- f_scale_width = (float)id->p_encoder->fmt_out.video.i_width/i_src_width;
- f_scale_height = (float)id->p_encoder->fmt_out.video.i_height/i_src_height;
- }
-
- /* check maxwidth and maxheight
- */
- if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
- i_src_width )
- {
- f_scale_width = (float)p_sys->i_maxwidth / i_src_width;
- }
-
- if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
- i_src_height )
- {
- f_scale_height = (float)p_sys->i_maxheight / i_src_height;
- }
-
-
- /* Change aspect ratio from source pixel to scaled pixel */
- f_aspect = f_aspect * f_scale_height / f_scale_width;
- msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );
-
- /* f_scale_width and f_scale_height are now final */
- /* Calculate width, height from scaling
- * Make sure its multiple of 2
- */
- i_dst_width = 2 * (int)(f_scale_width*i_src_width/2+0.5);
- i_dst_height = 2 * (int)(f_scale_height*i_src_height/2+0.5);
-
- /* Change aspect ratio from scaled pixel to output frame */
- f_aspect = f_aspect * i_dst_width / i_dst_height;
-
- /* Store calculated values */
- id->p_encoder->fmt_out.video.i_width =
- id->p_encoder->fmt_out.video.i_visible_width = i_dst_width;
- id->p_encoder->fmt_out.video.i_height =
- id->p_encoder->fmt_out.video.i_visible_height = i_dst_height;
-
- id->p_encoder->fmt_in.video.i_width =
- id->p_encoder->fmt_in.video.i_visible_width = i_dst_width;
- id->p_encoder->fmt_in.video.i_height =
- id->p_encoder->fmt_in.video.i_visible_height = i_dst_height;
-
- msg_Dbg( p_stream, "source %ix%i, destination %ix%i",
- i_src_width, i_src_height,
- i_dst_width, i_dst_height
- );
-
- /* Handle frame rate conversion */
- if( !id->p_encoder->fmt_out.video.i_frame_rate ||
- !id->p_encoder->fmt_out.video.i_frame_rate_base )
- {
- if( id->p_decoder->fmt_out.video.i_frame_rate &&
- id->p_decoder->fmt_out.video.i_frame_rate_base )
- {
- id->p_encoder->fmt_out.video.i_frame_rate =
- id->p_decoder->fmt_out.video.i_frame_rate;
- id->p_encoder->fmt_out.video.i_frame_rate_base =
- id->p_decoder->fmt_out.video.i_frame_rate_base;
- }
- else
- {
- /* Pick a sensible default value */
- id->p_encoder->fmt_out.video.i_frame_rate = ENC_FRAMERATE;
- id->p_encoder->fmt_out.video.i_frame_rate_base = ENC_FRAMERATE_BASE;
- }
- }
-
- id->p_encoder->fmt_in.video.i_frame_rate =
- id->p_encoder->fmt_out.video.i_frame_rate;
- id->p_encoder->fmt_in.video.i_frame_rate_base =
- id->p_encoder->fmt_out.video.i_frame_rate_base;
-
- date_Init( &id->interpolated_pts,
- id->p_encoder->fmt_out.video.i_frame_rate,
- id->p_encoder->fmt_out.video.i_frame_rate_base );
-
- /* Check whether a particular aspect ratio was requested */
- if( !id->p_encoder->fmt_out.video.i_aspect )
- {
- id->p_encoder->fmt_out.video.i_aspect =
- (int)( f_aspect * VOUT_ASPECT_FACTOR + 0.5 );
- }
- id->p_encoder->fmt_in.video.i_aspect =
- id->p_encoder->fmt_out.video.i_aspect;
-
- msg_Dbg( p_stream, "encoder aspect is %i:%i",
- id->p_encoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
-
- id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
-}
-
-static int transcode_video_encoder_open( sout_stream_t *p_stream,
- sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
-
- msg_Dbg( p_stream, "destination (after video filters) %ix%i",
- id->p_encoder->fmt_in.video.i_width,
- id->p_encoder->fmt_in.video.i_height );
-
- id->p_encoder->p_module =
- module_need( id->p_encoder, "encoder", p_sys->psz_venc, true );
- if( !id->p_encoder->p_module )
- {
- msg_Err( p_stream, "cannot find video encoder (module:%s fourcc:%4.4s)",
- p_sys->psz_venc ? p_sys->psz_venc : "any",
- (char *)&p_sys->i_vcodec );
- return VLC_EGENERIC;
- }
-
- id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
-
- /* */
- id->p_encoder->fmt_out.i_codec =
- vlc_fourcc_GetCodec( VIDEO_ES, id->p_encoder->fmt_out.i_codec );
-
- id->id = sout_StreamIdAdd( p_stream->p_sys->p_out,
- &id->p_encoder->fmt_out );
- if( !id->id )
- {
- msg_Err( p_stream, "cannot add this stream" );
- return VLC_EGENERIC;
- }
-
- return VLC_SUCCESS;
-}
-
-static void transcode_video_close( sout_stream_t *p_stream,
- sout_stream_id_t *id )
-{
- if( p_stream->p_sys->i_threads >= 1 )
- {
- vlc_mutex_lock( &p_stream->p_sys->lock_out );
- vlc_object_kill( p_stream->p_sys );
- vlc_cond_signal( &p_stream->p_sys->cond );
- vlc_mutex_unlock( &p_stream->p_sys->lock_out );
- vlc_thread_join( p_stream->p_sys );
- vlc_mutex_destroy( &p_stream->p_sys->lock_out );
- vlc_cond_destroy( &p_stream->p_sys->cond );
- }
-
- video_timer_close( id->p_encoder );
-
- /* Close decoder */
- if( id->p_decoder->p_module )
- module_unneed( id->p_decoder, id->p_decoder->p_module );
- if( id->p_decoder->p_description )
- vlc_meta_Delete( id->p_decoder->p_description );
-
- free( id->p_decoder->p_owner );
-
- /* Close encoder */
- if( id->p_encoder->p_module )
- module_unneed( id->p_encoder, id->p_encoder->p_module );
-
- /* Close filters */
- if( id->p_f_chain )
- filter_chain_Delete( id->p_f_chain );
- if( id->p_uf_chain )
- filter_chain_Delete( id->p_uf_chain );
-}
-
-static int transcode_video_process( sout_stream_t *p_stream,
- sout_stream_id_t *id,
- block_t *in, block_t **out )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- int i_duplicate = 1;
- picture_t *p_pic, *p_pic2 = NULL;
- *out = NULL;
-
- while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
- {
- subpicture_t *p_subpic = NULL;
-
- sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_VIDEO, 1 );
-
- if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
- {
- mtime_t current_date = mdate();
- if( current_date + 50000 > p_pic->date )
- {
- msg_Dbg( p_stream, "late picture skipped (%"PRId64")",
- current_date + 50000 - p_pic->date );
- picture_Release( p_pic );
- continue;
- }
- }
-
- if( p_sys->b_master_sync )
- {
- mtime_t i_video_drift;
- mtime_t i_master_drift = p_sys->i_master_drift;
- mtime_t i_pts;
-
- i_pts = date_Get( &id->interpolated_pts ) + 1;
- if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
- || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
- {
- msg_Dbg( p_stream, "drift is too high, resetting master sync" );
- date_Set( &id->interpolated_pts, p_pic->date );
- i_pts = p_pic->date + 1;
- }
- i_video_drift = p_pic->date - i_pts;
- i_duplicate = 1;
-
- /* Set the pts of the frame being encoded */
- p_pic->date = i_pts;
-
- if( i_video_drift < (i_master_drift - 50000) )
- {
-#if 0
- msg_Dbg( p_stream, "dropping frame (%i)",
- (int)(i_video_drift - i_master_drift) );
-#endif
- picture_Release( p_pic );
- continue;
- }
- else if( i_video_drift > (i_master_drift + 50000) )
- {
-#if 0
- msg_Dbg( p_stream, "adding frame (%i)",
- (int)(i_video_drift - i_master_drift) );
-#endif
- i_duplicate = 2;
- }
- }
-
- if( !id->p_encoder->p_module )
- {
- transcode_video_encoder_init( p_stream, id );
-
- id->p_f_chain = filter_chain_New( p_stream, "video filter2",
- false,
- transcode_video_filter_allocation_init,
- transcode_video_filter_allocation_clear,
- p_stream->p_sys );
-
- /* Deinterlace */
- if( p_stream->p_sys->b_deinterlace )
- {
- filter_chain_AppendFilter( id->p_f_chain,
- p_sys->psz_deinterlace,
- p_sys->p_deinterlace_cfg,
- &id->p_decoder->fmt_out,
- &id->p_decoder->fmt_out );
- }
-
- /* Take care of the scaling and chroma conversions */
- if( ( id->p_decoder->fmt_out.video.i_chroma !=
- id->p_encoder->fmt_in.video.i_chroma ) ||
- ( id->p_decoder->fmt_out.video.i_width !=
- id->p_encoder->fmt_in.video.i_width ) ||
- ( id->p_decoder->fmt_out.video.i_height !=
- id->p_encoder->fmt_in.video.i_height ) )
- {
- filter_chain_AppendFilter( id->p_f_chain,
- NULL, NULL,
- &id->p_decoder->fmt_out,
- &id->p_encoder->fmt_in );
- }
-
- if( p_sys->psz_vf2 )
- {
- const es_format_t *p_fmt_out;
- id->p_uf_chain = filter_chain_New( p_stream, "video filter2",
- true,
- transcode_video_filter_allocation_init,
- transcode_video_filter_allocation_clear,
- p_stream->p_sys );
- filter_chain_Reset( id->p_uf_chain, &id->p_encoder->fmt_in,
- &id->p_encoder->fmt_in );
- filter_chain_AppendFromString( id->p_uf_chain, p_sys->psz_vf2 );
- p_fmt_out = filter_chain_GetFmtOut( id->p_uf_chain );
- es_format_Copy( &id->p_encoder->fmt_in, p_fmt_out );
- id->p_encoder->fmt_out.video.i_width =
- id->p_encoder->fmt_in.video.i_width;
- id->p_encoder->fmt_out.video.i_height =
- id->p_encoder->fmt_in.video.i_height;
- id->p_encoder->fmt_out.video.i_aspect =
- id->p_encoder->fmt_in.video.i_aspect;
- }
-
- if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
- {
- picture_Release( p_pic );
- transcode_video_close( p_stream, id );
- id->b_transcode = false;
- return VLC_EGENERIC;
- }
- }
-
- /* Run filter chain */
- if( id->p_f_chain )
- p_pic = filter_chain_VideoFilter( id->p_f_chain, p_pic );
-
- /*
- * Encoding
- */
-
- /* Check if we have a subpicture to overlay */
- if( p_sys->p_spu )
- {
- p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date, false );
- /* TODO: get another pic */
- }
-
- /* Overlay subpicture */
- if( p_subpic )
- {
- video_format_t fmt;
-
- if( picture_IsReferenced( p_pic ) && !filter_chain_GetLength( id->p_f_chain ) )
- {
- /* We can't modify the picture, we need to duplicate it */
- picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
- if( p_tmp )
- {
- picture_Copy( p_tmp, p_pic );
- picture_Release( p_pic );
- p_pic = p_tmp;
- }
- }
-
- if( filter_chain_GetLength( id->p_f_chain ) > 0 )
- fmt = filter_chain_GetFmtOut( id->p_f_chain )->video;
- else
- fmt = id->p_decoder->fmt_out.video;
-
- /* FIXME (shouldn't have to be done here) */
- fmt.i_sar_num = fmt.i_aspect * fmt.i_height / fmt.i_width;
- fmt.i_sar_den = VOUT_ASPECT_FACTOR;
-
- /* FIXME the mdate() seems highly suspicious */
- spu_RenderSubpictures( p_sys->p_spu, p_pic, &fmt,
- p_subpic, &id->p_decoder->fmt_out.video, mdate() );
- }
-
- /* Run user specified filter chain */
- if( id->p_uf_chain )
- p_pic = filter_chain_VideoFilter( id->p_uf_chain, p_pic );
-
- if( p_sys->i_threads == 0 )
- {
- block_t *p_block;
-
- video_timer_start( id->p_encoder );
- p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
- video_timer_stop( id->p_encoder );
-
- block_ChainAppend( out, p_block );
- }
-
- if( p_sys->b_master_sync )
- {
- mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
- if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
- || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
- {
- msg_Dbg( p_stream, "drift is too high, resetting master sync" );
- date_Set( &id->interpolated_pts, p_pic->date );
- i_pts = p_pic->date + 1;
- }
- date_Increment( &id->interpolated_pts, 1 );
- }
-
- if( p_sys->b_master_sync && i_duplicate > 1 )
- {
- mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
- if( (p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT)
- || ((p_pic->date - i_pts) < -MASTER_SYNC_MAX_DRIFT) )
- {
- msg_Dbg( p_stream, "drift is too high, resetting master sync" );
- date_Set( &id->interpolated_pts, p_pic->date );
- i_pts = p_pic->date + 1;
- }
- date_Increment( &id->interpolated_pts, 1 );
-
- if( p_sys->i_threads >= 1 )
- {
- /* We can't modify the picture, we need to duplicate it */
- p_pic2 = video_new_buffer_decoder( id->p_decoder );
- if( p_pic2 != NULL )
- {
- picture_Copy( p_pic2, p_pic );
- p_pic2->date = i_pts;
- }
- }
- else
- {
- block_t *p_block;
- p_pic->date = i_pts;
- video_timer_start( id->p_encoder );
- p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
- video_timer_stop( id->p_encoder );
- block_ChainAppend( out, p_block );
- }
- }
-
- if( p_sys->i_threads == 0 )
- {
- picture_Release( p_pic );
- }
- else
- {
- vlc_mutex_lock( &p_sys->lock_out );
- p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
- p_sys->i_last_pic %= PICTURE_RING_SIZE;
- *out = p_sys->p_buffers;
- p_sys->p_buffers = NULL;
- if( p_pic2 != NULL )
- {
- p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
- p_sys->i_last_pic %= PICTURE_RING_SIZE;
- }
- vlc_cond_signal( &p_sys->cond );
- vlc_mutex_unlock( &p_sys->lock_out );
- }
- }
-
- return VLC_SUCCESS;
-}
-
-static void* EncoderThread( vlc_object_t* p_this )
-{
- sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_this;
- sout_stream_id_t *id = p_sys->id_video;
- picture_t *p_pic;
- int canc = vlc_savecancel ();
-
- while( vlc_object_alive (p_sys) && !p_sys->b_error )
- {
- block_t *p_block;
-
- vlc_mutex_lock( &p_sys->lock_out );
- while( p_sys->i_last_pic == p_sys->i_first_pic )
- {
- vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
- if( !vlc_object_alive (p_sys) || p_sys->b_error ) break;
- }
- if( !vlc_object_alive (p_sys) || p_sys->b_error )
- {
- vlc_mutex_unlock( &p_sys->lock_out );
- break;
- }
-
- p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
- p_sys->i_first_pic %= PICTURE_RING_SIZE;
- vlc_mutex_unlock( &p_sys->lock_out );
-
- video_timer_start( id->p_encoder );
- p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
- video_timer_stop( id->p_encoder );
-
- vlc_mutex_lock( &p_sys->lock_out );
- block_ChainAppend( &p_sys->p_buffers, p_block );
-
- vlc_mutex_unlock( &p_sys->lock_out );
- picture_Release( p_pic );
- }
-
- while( p_sys->i_last_pic != p_sys->i_first_pic )
- {
- p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
- p_sys->i_first_pic %= PICTURE_RING_SIZE;
- picture_Release( p_pic );
- }
- block_ChainRelease( p_sys->p_buffers );
-
- vlc_restorecancel (canc);
- return NULL;
-}
-
-static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
-{
- sout_stream_sys_t *p_ssys = p_dec->p_owner->p_sys;
- if( p_ssys->i_threads >= 1 )
- {
- int i_first_pic = p_ssys->i_first_pic;
-
- if( p_ssys->i_first_pic != p_ssys->i_last_pic )
- {
- /* Encoder still has stuff to encode, wait to clear-up the list */
- while( p_ssys->i_first_pic == i_first_pic )
- {
-#warning THERE IS DEFINITELY A BUG! LOCKING IS INSUFFICIENT!
- msleep( 10000 );
- barrier ();
- }
- }
- }
-
- p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
- return picture_New( p_dec->fmt_out.video.i_chroma,
- p_dec->fmt_out.video.i_width,
- p_dec->fmt_out.video.i_height,
- p_dec->fmt_out.video.i_aspect );
-}
-
-static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
-{
- VLC_UNUSED(p_decoder);
- picture_Release( p_pic );
-}
-
-static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
-{
- VLC_UNUSED(p_dec);
- picture_Hold( p_pic );
-}
-
-static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
-{
- VLC_UNUSED(p_dec);
- picture_Release( p_pic );
-}
-
-/*
- * SPU
- */
-static subpicture_t *spu_new_buffer( decoder_t * );
-static void spu_del_buffer( decoder_t *, subpicture_t * );
-
-static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- /*
- * Open decoder
- */
-
- /* Initialization of decoder structures */
- id->p_decoder->pf_decode_sub = NULL;
- id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
- id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
- id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
- /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */
-
- id->p_decoder->p_module =
- module_need( id->p_decoder, "decoder", "$codec", false );
-
- if( !id->p_decoder->p_module )
- {
- msg_Err( p_stream, "cannot find spu decoder" );
- return VLC_EGENERIC;
- }
-
- if( !p_sys->b_soverlay )
- {
- /* Open encoder */
- /* Initialization of encoder format structures */
- es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
- id->p_decoder->fmt_in.i_codec );
-
- id->p_encoder->p_cfg = p_sys->p_spu_cfg;
-
- id->p_encoder->p_module =
- module_need( id->p_encoder, "encoder", p_sys->psz_senc, true );
-
- if( !id->p_encoder->p_module )
- {
- module_unneed( id->p_decoder, id->p_decoder->p_module );
- msg_Err( p_stream, "cannot find spu encoder (%s)", p_sys->psz_senc );
- return VLC_EGENERIC;
- }
- }
-
- if( !p_sys->p_spu )
- {
- p_sys->p_spu = spu_Create( p_stream );
- spu_Init( p_sys->p_spu );
- }
-
- return VLC_SUCCESS;
-}
-
-static void transcode_spu_close( sout_stream_id_t *id)
-{
- /* Close decoder */
- if( id->p_decoder->p_module )
- module_unneed( id->p_decoder, id->p_decoder->p_module );
- if( id->p_decoder->p_description )
- vlc_meta_Delete( id->p_decoder->p_description );
-
- /* Close encoder */
- if( id->p_encoder->p_module )
- module_unneed( id->p_encoder, id->p_encoder->p_module );
-}
-
-static int transcode_spu_process( sout_stream_t *p_stream,
- sout_stream_id_t *id,
- block_t *in, block_t **out )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- subpicture_t *p_subpic;
- *out = NULL;
-
- p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
- if( !p_subpic )
- return VLC_EGENERIC;
-
- sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_SUBTITLE, 1 );
-
- if( p_sys->b_master_sync && p_sys->i_master_drift )
- {
- p_subpic->i_start -= p_sys->i_master_drift;
- if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
- }
-
- if( p_sys->b_soverlay )
- {
- spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
- }
- else
- {
- block_t *p_block;
-
- p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
- spu_del_buffer( id->p_decoder, p_subpic );
- if( p_block )
- {
- block_ChainAppend( out, p_block );
- return VLC_SUCCESS;
- }
- }
-
- return VLC_EGENERIC;
-}
-
-static subpicture_t *spu_new_buffer( decoder_t *p_dec )
-{
- VLC_UNUSED( p_dec );
- return subpicture_New();
-}
-
-static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
-{
- VLC_UNUSED( p_dec );
- subpicture_Delete( p_subpic );
-}
-
-/*
- * OSD menu
- */
-static int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- id->p_decoder->fmt_in.i_cat = SPU_ES;
- id->p_encoder->fmt_out.psz_language = strdup( "osd" );
-
- if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc )
- {
- msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' "
- "to fcc=`%4.4s'", (char*)&id->p_encoder->fmt_out.i_codec,
- (char*)&p_sys->i_osdcodec );
-
- /* Complete destination format */
- id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec;
-
- /* Open encoder */
- es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
- VLC_CODEC_YUVA );
- id->p_encoder->fmt_in.psz_language = strdup( "osd" );
-
- id->p_encoder->p_cfg = p_sys->p_osd_cfg;
-
- id->p_encoder->p_module =
- module_need( id->p_encoder, "encoder", p_sys->psz_osdenc, true );
-
- if( !id->p_encoder->p_module )
- {
- msg_Err( p_stream, "cannot find spu encoder (%s)", p_sys->psz_osdenc );
- goto error;
- }
-
- /* open output stream */
- id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_encoder->fmt_out );
- id->b_transcode = true;
-
- if( !id->id ) goto error;
- }
- else
- {
- msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
- (char*)&id->p_decoder->fmt_out.i_codec );
- id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_decoder->fmt_out );
- id->b_transcode = false;
-
- if( !id->id ) goto error;
- }
-
- if( !p_sys->p_spu )
- {
- p_sys->p_spu = spu_Create( p_stream );
- spu_Init( p_sys->p_spu );
- }
-
- return VLC_SUCCESS;
-
- error:
- msg_Err( p_stream, "starting osd encoding thread failed" );
- if( id->p_encoder->p_module )
- module_unneed( id->p_encoder, id->p_encoder->p_module );
- p_sys->b_osd = false;
- return VLC_EGENERIC;
-}
-
-static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- /* Close encoder */
- if( id )
- {
- if( id->p_encoder->p_module )
- module_unneed( id->p_encoder, id->p_encoder->p_module );
- }
- p_sys->b_osd = false;
-}
-
-static int transcode_osd_process( sout_stream_t *p_stream,
- sout_stream_id_t *id,
- block_t *in, block_t **out )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- subpicture_t *p_subpic = NULL;
-
- /* Check if we have a subpicture to send */
- if( p_sys->p_spu && in->i_dts > 0)
- {
- p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts, false );
- }
- else
- {
- msg_Warn( p_stream, "spu channel not initialized, doing it now" );
- if( !p_sys->p_spu )
- {
- p_sys->p_spu = spu_Create( p_stream );
- spu_Init( p_sys->p_spu );
- }
- }
-
- if( p_subpic )
- {
- block_t *p_block = NULL;
-
- if( p_sys->b_master_sync && p_sys->i_master_drift )
- {
- p_subpic->i_start -= p_sys->i_master_drift;
- if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
- }
-
- p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
- subpicture_Delete( p_subpic );
- if( p_block )
- {
- p_block->i_dts = p_block->i_pts = in->i_dts;
- block_ChainAppend( out, p_block );
- return VLC_SUCCESS;
- }
- }
- return VLC_EGENERIC;
-}
--- /dev/null
+SOURCES_stream_out_transcode = transcode.c transcode.h \
+ osd.c \
+ spu.c \
+ audio.c \
+ video.c
+libvlc_LTLIBRARIES += libstream_out_transcode_plugin.la
--- /dev/null
+/*****************************************************************************
+ * audio.c: transcoding stream output module (audio)
+ *****************************************************************************
+ * Copyright (C) 2003-2009 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Gildas Bazin <gbazin@videolan.org>
+ * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
+ * Antoine Cellerier <dionoea at videolan dot org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#include "transcode.h"
+
+#include <vlc_aout.h>
+#include <vlc_meta.h>
+
+static const int pi_channels_maps[6] =
+{
+ 0,
+ AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+ AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
+ | AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+ | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
+};
+
+static inline void audio_timer_start( encoder_t * p_encoder )
+{
+ stats_TimerStart( p_encoder, "encoding audio frame",
+ STATS_TIMER_AUDIO_FRAME_ENCODING );
+}
+
+static inline void audio_timer_stop( encoder_t * p_encoder )
+{
+ stats_TimerStop( p_encoder, STATS_TIMER_AUDIO_FRAME_ENCODING );
+}
+
+static inline void audio_timer_close( encoder_t * p_encoder )
+{
+ stats_TimerDump( p_encoder, STATS_TIMER_AUDIO_FRAME_ENCODING );
+ stats_TimerClean( p_encoder, STATS_TIMER_AUDIO_FRAME_ENCODING );
+}
+
+static block_t *transcode_audio_alloc( filter_t *p_filter, int size )
+{
+ VLC_UNUSED( p_filter );
+ return block_Alloc( size );
+}
+
+static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
+{
+ block_t *p_block;
+ int i_size;
+
+ if( p_dec->fmt_out.audio.i_bitspersample )
+ {
+ i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
+ p_dec->fmt_out.audio.i_channels;
+ }
+ else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
+ p_dec->fmt_out.audio.i_frame_length )
+ {
+ i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
+ p_dec->fmt_out.audio.i_frame_length;
+ }
+ else
+ {
+ i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
+ }
+
+ p_block = block_New( p_dec, i_size );
+ p_block->i_nb_samples = i_samples;
+ return p_block;
+}
+
+static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
+{
+ VLC_UNUSED(p_dec);
+ block_Release( p_buffer );
+}
+
+static int transcode_audio_filter_allocation_init( filter_t *p_filter,
+ void *data )
+{
+ VLC_UNUSED(data);
+ p_filter->pf_audio_buffer_new = transcode_audio_alloc;
+ return VLC_SUCCESS;
+}
+
+static bool transcode_audio_filter_needed( const es_format_t *p_fmt1, const es_format_t *p_fmt2 )
+{
+ if( p_fmt1->i_codec != p_fmt2->i_codec ||
+ p_fmt1->audio.i_channels != p_fmt2->audio.i_channels ||
+ p_fmt1->audio.i_rate != p_fmt2->audio.i_rate )
+ return true;
+ return false;
+}
+static int transcode_audio_filter_chain_build( sout_stream_t *p_stream, filter_chain_t *p_chain,
+ const es_format_t *p_dst, const es_format_t *p_src )
+{
+ if( !transcode_audio_filter_needed( p_dst, p_src ) )
+ return VLC_SUCCESS;
+
+ es_format_t current = *p_src;
+
+ msg_Dbg( p_stream, "Looking for filter "
+ "(%4.4s->%4.4s, channels %d->%d, rate %d->%d)",
+ (const char *)&p_src->i_codec,
+ (const char *)&p_dst->i_codec,
+ p_src->audio.i_channels,
+ p_dst->audio.i_channels,
+ p_src->audio.i_rate,
+ p_dst->audio.i_rate );
+
+ /* If any filter is needed, convert to fl32 */
+ if( current.i_codec != VLC_CODEC_FL32 )
+ {
+ /* First step, convert to fl32 */
+ current.i_codec =
+ current.audio.i_format = VLC_CODEC_FL32;
+
+ if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
+ {
+ msg_Err( p_stream, "Failed to find conversion filter to fl32" );
+ return VLC_EGENERIC;
+ }
+ current = *filter_chain_GetFmtOut( p_chain );
+ }
+
+ /* Fix sample rate */
+ if( current.audio.i_rate != p_dst->audio.i_rate )
+ {
+ current.audio.i_rate = p_dst->audio.i_rate;
+ if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
+ {
+ msg_Err( p_stream, "Failed to find conversion filter for resampling" );
+ return VLC_EGENERIC;
+ }
+ current = *filter_chain_GetFmtOut( p_chain );
+ }
+
+ /* Fix channels */
+ if( current.audio.i_channels != p_dst->audio.i_channels )
+ {
+ current.audio.i_channels = p_dst->audio.i_channels;
+ current.audio.i_physical_channels = p_dst->audio.i_physical_channels;
+ current.audio.i_original_channels = p_dst->audio.i_original_channels;
+
+ if( ( !current.audio.i_physical_channels || !current.audio.i_original_channels ) &&
+ current.audio.i_channels < 6 )
+ current.audio.i_physical_channels =
+ current.audio.i_original_channels = pi_channels_maps[current.audio.i_channels];
+
+ if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
+ {
+ msg_Err( p_stream, "Failed to find conversion filter for channel mixing" );
+ return VLC_EGENERIC;
+ }
+ current = *filter_chain_GetFmtOut( p_chain );
+ }
+ /* And last step, convert to the requested codec */
+ if( current.i_codec != p_dst->i_codec )
+ {
+ current.i_codec = p_dst->i_codec;
+ if( !filter_chain_AppendFilter( p_chain, NULL, NULL, NULL, ¤t ) )
+ {
+ msg_Err( p_stream, "Failed to find conversion filter to %4.4s",
+ (const char*)&p_dst->i_codec);
+ return VLC_EGENERIC;
+ }
+ current = *filter_chain_GetFmtOut( p_chain );
+ }
+
+ if( transcode_audio_filter_needed( p_dst, ¤t ) )
+ {
+ /* Weird case, a filter has side effects, doomed */
+ msg_Err( p_stream, "Failed to create a valid audio filter chain" );
+ return VLC_EGENERIC;
+ }
+
+ msg_Dbg( p_stream, "Got complete audio filter chain" );
+ return VLC_SUCCESS;
+}
+
+
+int transcode_audio_new( sout_stream_t *p_stream,
+ sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ es_format_t fmt_last;
+
+ /*
+ * * Open decoder
+ * */
+
+ /* Initialization of decoder structures */
+ id->p_decoder->fmt_out = id->p_decoder->fmt_in;
+ id->p_decoder->fmt_out.i_extra = 0;
+ id->p_decoder->fmt_out.p_extra = 0;
+ id->p_decoder->pf_decode_audio = NULL;
+ id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
+ id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
+ /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
+
+ id->p_decoder->p_module =
+ module_need( id->p_decoder, "decoder", "$codec", false );
+ if( !id->p_decoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find audio decoder" );
+ return VLC_EGENERIC;
+ }
+ id->p_decoder->fmt_out.audio.i_bitspersample =
+ aout_BitsPerSample( id->p_decoder->fmt_out.i_codec );
+ fmt_last = id->p_decoder->fmt_out;
+ /* Fix AAC SBR changing number of channels and sampling rate */
+ if( !(id->p_decoder->fmt_in.i_codec == VLC_CODEC_MP4A &&
+ fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
+ fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels) )
+ fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
+
+ /*
+ * * Open encoder
+ * */
+
+ /* Initialization of encoder format structures */
+ es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
+ id->p_decoder->fmt_out.i_codec );
+ id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
+
+ id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
+ id->p_encoder->fmt_in.audio.i_physical_channels =
+ id->p_encoder->fmt_out.audio.i_physical_channels;
+ id->p_encoder->fmt_in.audio.i_original_channels =
+ id->p_encoder->fmt_out.audio.i_original_channels;
+ id->p_encoder->fmt_in.audio.i_channels =
+ id->p_encoder->fmt_out.audio.i_channels;
+ id->p_encoder->fmt_in.audio.i_bitspersample =
+ aout_BitsPerSample( id->p_encoder->fmt_in.i_codec );
+
+ id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
+ id->p_encoder->p_module =
+ module_need( id->p_encoder, "encoder", p_sys->psz_aenc, true );
+ if( !id->p_encoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find audio encoder (module:%s fourcc:%4.4s)",
+ p_sys->psz_aenc ? p_sys->psz_aenc : "any",
+ (char *)&p_sys->i_acodec );
+ module_unneed( id->p_decoder, id->p_decoder->p_module );
+ id->p_decoder->p_module = NULL;
+ return VLC_EGENERIC;
+ }
+ id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
+ id->p_encoder->fmt_in.audio.i_bitspersample =
+ aout_BitsPerSample( id->p_encoder->fmt_in.i_codec );
+
+ /* Load user specified audio filters */
+ if( p_sys->psz_af )
+ {
+ es_format_t fmt_fl32 = fmt_last;
+ fmt_fl32.i_codec =
+ fmt_fl32.audio.i_format = VLC_CODEC_FL32;
+ if( transcode_audio_filter_chain_build( p_stream, id->p_uf_chain,
+ &fmt_fl32, &fmt_last ) )
+ {
+ transcode_audio_close( id );
+ return VLC_EGENERIC;
+ }
+ fmt_last = fmt_fl32;
+
+ id->p_uf_chain = filter_chain_New( p_stream, "audio filter", false,
+ transcode_audio_filter_allocation_init, NULL, NULL );
+ filter_chain_Reset( id->p_uf_chain, &fmt_last, &fmt_fl32 );
+ if( filter_chain_AppendFromString( id->p_uf_chain, p_sys->psz_af ) > 0 )
+ fmt_last = *filter_chain_GetFmtOut( id->p_uf_chain );
+ }
+
+ /* Load conversion filters */
+ id->p_f_chain = filter_chain_New( p_stream, "audio filter", true,
+ transcode_audio_filter_allocation_init, NULL, NULL );
+ filter_chain_Reset( id->p_f_chain, &fmt_last, &id->p_encoder->fmt_in );
+
+ if( transcode_audio_filter_chain_build( p_stream, id->p_f_chain,
+ &id->p_encoder->fmt_in, &fmt_last ) )
+ {
+ transcode_audio_close( id );
+ return VLC_EGENERIC;
+ }
+ fmt_last = id->p_encoder->fmt_in;
+
+ /* */
+ id->p_encoder->fmt_out.i_codec =
+ vlc_fourcc_GetCodec( AUDIO_ES, id->p_encoder->fmt_out.i_codec );
+
+ return VLC_SUCCESS;
+}
+
+void transcode_audio_close( sout_stream_id_t *id )
+{
+ audio_timer_close( id->p_encoder );
+
+ /* Close decoder */
+ if( id->p_decoder->p_module )
+ module_unneed( id->p_decoder, id->p_decoder->p_module );
+ id->p_decoder->p_module = NULL;
+
+ if( id->p_decoder->p_description )
+ vlc_meta_Delete( id->p_decoder->p_description );
+ id->p_decoder->p_description = NULL;
+
+ /* Close encoder */
+ if( id->p_encoder->p_module )
+ module_unneed( id->p_encoder, id->p_encoder->p_module );
+ id->p_encoder->p_module = NULL;
+
+ /* Close filters */
+ if( id->p_uf_chain )
+ filter_chain_Delete( id->p_uf_chain );
+ if( id->p_f_chain )
+ filter_chain_Delete( id->p_f_chain );
+}
+
+int transcode_audio_process( sout_stream_t *p_stream,
+ sout_stream_id_t *id,
+ block_t *in, block_t **out )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ block_t *p_block, *p_audio_buf;
+ *out = NULL;
+
+ while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
+ &in )) )
+ {
+ sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_AUDIO, 1 );
+ if( p_sys->b_master_sync )
+ {
+ mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
+ if ( p_audio_buf->i_pts - i_dts > MASTER_SYNC_MAX_DRIFT
+ || p_audio_buf->i_pts - i_dts < -MASTER_SYNC_MAX_DRIFT )
+ {
+ msg_Dbg( p_stream, "drift is too high, resetting master sync" );
+ date_Set( &id->interpolated_pts, p_audio_buf->i_pts );
+ i_dts = p_audio_buf->i_pts + 1;
+ }
+ p_sys->i_master_drift = p_audio_buf->i_pts - i_dts;
+ date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
+ p_audio_buf->i_pts -= p_sys->i_master_drift;
+ }
+
+ p_audio_buf->i_dts = p_audio_buf->i_pts;
+
+ /* Run filter chain */
+ if( id->p_uf_chain )
+ {
+ p_audio_buf = filter_chain_AudioFilter( id->p_uf_chain,
+ p_audio_buf );
+ if( !p_audio_buf )
+ abort();
+ }
+
+ p_audio_buf = filter_chain_AudioFilter( id->p_f_chain, p_audio_buf );
+ if( !p_audio_buf )
+ abort();
+
+ p_audio_buf->i_pts = p_audio_buf->i_dts;
+
+ audio_timer_start( id->p_encoder );
+ p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
+ audio_timer_stop( id->p_encoder );
+
+ block_ChainAppend( out, p_block );
+ block_Release( p_audio_buf );
+ }
+
+ return VLC_SUCCESS;
+}
+
+bool transcode_audio_add( sout_stream_t *p_stream, es_format_t *p_fmt,
+ sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ msg_Dbg( p_stream,
+ "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
+ (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
+
+ /* Complete destination format */
+ id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
+ id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
+ p_sys->i_sample_rate : p_fmt->audio.i_rate;
+ id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
+ id->p_encoder->fmt_out.audio.i_bitspersample =
+ p_fmt->audio.i_bitspersample;
+ id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
+ p_sys->i_channels : p_fmt->audio.i_channels;
+ /* Sanity check for audio channels */
+ id->p_encoder->fmt_out.audio.i_channels =
+ __MIN( id->p_encoder->fmt_out.audio.i_channels,
+ id->p_decoder->fmt_in.audio.i_channels );
+ id->p_encoder->fmt_out.audio.i_original_channels =
+ id->p_decoder->fmt_in.audio.i_physical_channels;
+ if( id->p_decoder->fmt_in.audio.i_channels ==
+ id->p_encoder->fmt_out.audio.i_channels )
+ {
+ id->p_encoder->fmt_out.audio.i_physical_channels =
+ id->p_decoder->fmt_in.audio.i_physical_channels;
+ }
+ else
+ {
+ id->p_encoder->fmt_out.audio.i_physical_channels =
+ pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
+ }
+
+ /* Build decoder -> filter -> encoder chain */
+ if( transcode_audio_new( p_stream, id ) )
+ {
+ msg_Err( p_stream, "cannot create audio chain" );
+ return false;
+ }
+
+ /* Open output stream */
+ id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_encoder->fmt_out );
+ id->b_transcode = true;
+
+ if( !id->id )
+ {
+ transcode_audio_close( id );
+ return false;
+ }
+
+ date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
+
+ return true;
+}
--- /dev/null
+/*****************************************************************************
+ * osd.c: transcoding stream output module (osd)
+ *****************************************************************************
+ * Copyright (C) 2003-2009 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Gildas Bazin <gbazin@videolan.org>
+ * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
+ * Antoine Cellerier <dionoea at videolan dot org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#include "transcode.h"
+
+/*
+ * * OSD menu
+ * */
+int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ id->p_decoder->fmt_in.i_cat = SPU_ES;
+ id->p_encoder->fmt_out.psz_language = strdup( "osd" );
+
+ if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc )
+ {
+ msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' "
+ "to fcc=`%4.4s'", (char*)&id->p_encoder->fmt_out.i_codec,
+ (char*)&p_sys->i_osdcodec );
+
+ /* Complete destination format */
+ id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec;
+
+ /* Open encoder */
+ es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
+ VLC_CODEC_YUVA );
+ id->p_encoder->fmt_in.psz_language = strdup( "osd" );
+
+ id->p_encoder->p_cfg = p_sys->p_osd_cfg;
+
+ id->p_encoder->p_module =
+ module_need( id->p_encoder, "encoder", p_sys->psz_osdenc, true );
+
+ if( !id->p_encoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find spu encoder (%s)", p_sys->psz_osdenc );
+ goto error;
+ }
+
+ /* open output stream */
+ id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_encoder->fmt_out );
+ id->b_transcode = true;
+
+ if( !id->id ) goto error;
+ }
+ else
+ {
+ msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
+ (char*)&id->p_decoder->fmt_out.i_codec );
+ id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_decoder->fmt_out );
+ id->b_transcode = false;
+
+ if( !id->id ) goto error;
+ }
+
+ if( !p_sys->p_spu )
+ {
+ p_sys->p_spu = spu_Create( p_stream );
+ spu_Init( p_sys->p_spu );
+ }
+
+ return VLC_SUCCESS;
+
+ error:
+ msg_Err( p_stream, "starting osd encoding thread failed" );
+ if( id->p_encoder->p_module )
+ module_unneed( id->p_encoder, id->p_encoder->p_module );
+ p_sys->b_osd = false;
+ return VLC_EGENERIC;
+}
+
+void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ /* Close encoder */
+ if( id )
+ {
+ if( id->p_encoder->p_module )
+ module_unneed( id->p_encoder, id->p_encoder->p_module );
+ }
+ p_sys->b_osd = false;
+}
+
+int transcode_osd_process( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *in, block_t **out )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ subpicture_t *p_subpic = NULL;
+
+ /* Check if we have a subpicture to send */
+ if( p_sys->p_spu && in->i_dts > 0)
+ {
+ p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts, false );
+ }
+ else
+ {
+ msg_Warn( p_stream, "spu channel not initialized, doing it now" );
+ if( !p_sys->p_spu )
+ {
+ p_sys->p_spu = spu_Create( p_stream );
+ spu_Init( p_sys->p_spu );
+ }
+ }
+
+ if( p_subpic )
+ {
+ block_t *p_block = NULL;
+
+ if( p_sys->b_master_sync && p_sys->i_master_drift )
+ {
+ p_subpic->i_start -= p_sys->i_master_drift;
+ if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
+ }
+
+ p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
+ subpicture_Delete( p_subpic );
+ if( p_block )
+ {
+ p_block->i_dts = p_block->i_pts = in->i_dts;
+ block_ChainAppend( out, p_block );
+ return VLC_SUCCESS;
+ }
+ }
+ return VLC_EGENERIC;
+}
+
+bool transcode_osd_add( sout_stream_t *p_stream, es_format_t *p_fmt,
+ sout_stream_id_t *id)
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ msg_Dbg( p_stream, "creating osd transcoding from fcc=`%4.4s' "
+ "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
+ (char*)&p_sys->i_scodec );
+
+ id->b_transcode = true;
+
+ /* Create a fake OSD menu elementary stream */
+ if( transcode_osd_new( p_stream, id ) )
+ {
+ msg_Err( p_stream, "cannot create osd chain" );
+ return false;
+ }
+ p_sys->b_osd = true;
+
+ return true;
+}
--- /dev/null
+/*****************************************************************************
+ * spu.c: transcoding stream output module (spu)
+ *****************************************************************************
+ * Copyright (C) 2003-2009 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Gildas Bazin <gbazin@videolan.org>
+ * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
+ * Antoine Cellerier <dionoea at videolan dot org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#include "transcode.h"
+
+#include <vlc_meta.h>
+#include <assert.h>
+
+static subpicture_t *spu_new_buffer( decoder_t *p_dec )
+{
+ VLC_UNUSED( p_dec );
+ return subpicture_New();
+}
+
+static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
+{
+ VLC_UNUSED( p_dec );
+ subpicture_Delete( p_subpic );
+}
+int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ /*
+ * Open decoder
+ */
+
+ /* Initialization of decoder structures */
+ id->p_decoder->pf_decode_sub = NULL;
+ id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
+ id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
+ id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
+ /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */
+
+ id->p_decoder->p_module =
+ module_need( id->p_decoder, "decoder", "$codec", false );
+
+ if( !id->p_decoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find spu decoder" );
+ return VLC_EGENERIC;
+ }
+
+ if( !p_sys->b_soverlay )
+ {
+ /* Open encoder */
+ /* Initialization of encoder format structures */
+ es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
+ id->p_decoder->fmt_in.i_codec );
+
+ id->p_encoder->p_cfg = p_sys->p_spu_cfg;
+
+ id->p_encoder->p_module =
+ module_need( id->p_encoder, "encoder", p_sys->psz_senc, true );
+
+ if( !id->p_encoder->p_module )
+ {
+ module_unneed( id->p_decoder, id->p_decoder->p_module );
+ msg_Err( p_stream, "cannot find spu encoder (%s)", p_sys->psz_senc );
+ return VLC_EGENERIC;
+ }
+ }
+
+ if( !p_sys->p_spu )
+ {
+ p_sys->p_spu = spu_Create( p_stream );
+ spu_Init( p_sys->p_spu );
+ }
+
+ return VLC_SUCCESS;
+}
+
+void transcode_spu_close( sout_stream_id_t *id)
+{
+ /* Close decoder */
+ if( id->p_decoder->p_module )
+ module_unneed( id->p_decoder, id->p_decoder->p_module );
+ if( id->p_decoder->p_description )
+ vlc_meta_Delete( id->p_decoder->p_description );
+
+ /* Close encoder */
+ if( id->p_encoder->p_module )
+ module_unneed( id->p_encoder, id->p_encoder->p_module );
+}
+
+int transcode_spu_process( sout_stream_t *p_stream,
+ sout_stream_id_t *id,
+ block_t *in, block_t **out )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ subpicture_t *p_subpic;
+ *out = NULL;
+
+ p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
+ if( !p_subpic )
+ return VLC_EGENERIC;
+
+ sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_SUBTITLE, 1 );
+
+ if( p_sys->b_master_sync && p_sys->i_master_drift )
+ {
+ p_subpic->i_start -= p_sys->i_master_drift;
+ if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
+ }
+
+ if( p_sys->b_soverlay )
+ {
+ spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
+ }
+ else
+ {
+ block_t *p_block;
+
+ p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
+ spu_del_buffer( id->p_decoder, p_subpic );
+ if( p_block )
+ {
+ block_ChainAppend( out, p_block );
+ return VLC_SUCCESS;
+ }
+ }
+
+ return VLC_EGENERIC;
+}
+
+bool transcode_spu_add( sout_stream_t *p_stream, es_format_t *p_fmt,
+ sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ if( p_sys->i_scodec || p_sys->psz_senc )
+ {
+ msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
+ "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
+ (char*)&p_sys->i_scodec );
+
+ /* Complete destination format */
+ id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
+
+ /* build decoder -> filter -> encoder */
+ if( transcode_spu_new( p_stream, id ) )
+ {
+ msg_Err( p_stream, "cannot create subtitles chain" );
+ return false;
+ }
+
+ /* open output stream */
+ id->id = sout_StreamIdAdd( p_sys->p_out, &id->p_encoder->fmt_out );
+ id->b_transcode = true;
+
+ if( !id->id )
+ {
+ transcode_spu_close( id );
+ return false;
+ }
+ }
+ else
+ {
+ assert( p_sys->b_soverlay );
+ msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
+ (char*)&p_fmt->i_codec );
+
+ id->b_transcode = true;
+
+ /* Build decoder -> filter -> overlaying chain */
+ if( transcode_spu_new( p_stream, id ) )
+ {
+ msg_Err( p_stream, "cannot create subtitles chain" );
+ return false;
+ }
+ }
+
+ return true;
+}
--- /dev/null
+/*****************************************************************************
+ * transcode.c: transcoding stream output module
+ *****************************************************************************
+ * Copyright (C) 2003-2009 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Gildas Bazin <gbazin@videolan.org>
+ * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
+ * Antoine Cellerier <dionoea at videolan dot org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_input.h>
+#include <vlc_sout.h>
+#include <vlc_aout.h>
+#include <vlc_vout.h>
+#include <vlc_codec.h>
+#include <vlc_meta.h>
+#include <vlc_block.h>
+
+#include "transcode.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define VENC_TEXT N_("Video encoder")
+#define VENC_LONGTEXT N_( \
+ "This is the video encoder module that will be used (and its associated "\
+ "options).")
+#define VCODEC_TEXT N_("Destination video codec")
+#define VCODEC_LONGTEXT N_( \
+ "This is the video codec that will be used.")
+#define VB_TEXT N_("Video bitrate")
+#define VB_LONGTEXT N_( \
+ "Target bitrate of the transcoded video stream." )
+#define SCALE_TEXT N_("Video scaling")
+#define SCALE_LONGTEXT N_( \
+ "Scale factor to apply to the video while transcoding (eg: 0.25)")
+#define FPS_TEXT N_("Video frame-rate")
+#define FPS_LONGTEXT N_( \
+ "Target output frame rate for the video stream." )
+#define DEINTERLACE_TEXT N_("Deinterlace video")
+#define DEINTERLACE_LONGTEXT N_( \
+ "Deinterlace the video before encoding." )
+#define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
+#define DEINTERLACE_MODULE_LONGTEXT N_( \
+ "Specify the deinterlace module to use." )
+#define WIDTH_TEXT N_("Video width")
+#define WIDTH_LONGTEXT N_( \
+ "Output video width." )
+#define HEIGHT_TEXT N_("Video height")
+#define HEIGHT_LONGTEXT N_( \
+ "Output video height." )
+#define MAXWIDTH_TEXT N_("Maximum video width")
+#define MAXWIDTH_LONGTEXT N_( \
+ "Maximum output video width." )
+#define MAXHEIGHT_TEXT N_("Maximum video height")
+#define MAXHEIGHT_LONGTEXT N_( \
+ "Maximum output video height." )
+#define VFILTER_TEXT N_("Video filter")
+#define VFILTER_LONGTEXT N_( \
+ "Video filters will be applied to the video streams (after overlays " \
+ "are applied). You must enter a comma-separated list of filters." )
+
+#define AENC_TEXT N_("Audio encoder")
+#define AENC_LONGTEXT N_( \
+ "This is the audio encoder module that will be used (and its associated "\
+ "options).")
+#define ACODEC_TEXT N_("Destination audio codec")
+#define ACODEC_LONGTEXT N_( \
+ "This is the audio codec that will be used.")
+#define AB_TEXT N_("Audio bitrate")
+#define AB_LONGTEXT N_( \
+ "Target bitrate of the transcoded audio stream." )
+#define ARATE_TEXT N_("Audio sample rate")
+#define ARATE_LONGTEXT N_( \
+ "Sample rate of the transcoded audio stream (11250, 22500, 44100 or 48000).")
+#define ALANG_TEXT N_("Audio Language")
+#define ALANG_LONGTEXT N_( \
+ "This is the language of the audio stream.")
+#define ACHANS_TEXT N_("Audio channels")
+#define ACHANS_LONGTEXT N_( \
+ "Number of audio channels in the transcoded streams." )
+#define AFILTER_TEXT N_("Audio filter")
+#define AFILTER_LONGTEXT N_( \
+ "Audio filters will be applied to the audio streams (after conversion " \
+ "filters are applied). You must enter a comma-separated list of filters." )
+
+#define SENC_TEXT N_("Subtitles encoder")
+#define SENC_LONGTEXT N_( \
+ "This is the subtitles encoder module that will be used (and its " \
+ "associated options)." )
+#define SCODEC_TEXT N_("Destination subtitles codec")
+#define SCODEC_LONGTEXT N_( \
+ "This is the subtitles codec that will be used." )
+
+#define SFILTER_TEXT N_("Overlays")
+#define SFILTER_LONGTEXT N_( \
+ "This allows you to add overlays (also known as \"subpictures\" on the "\
+ "transcoded video stream. The subpictures produced by the filters will "\
+ "be overlayed directly onto the video. You must specify a comma-separated "\
+ "list of subpicture modules" )
+
+#define OSD_TEXT N_("OSD menu")
+#define OSD_LONGTEXT N_(\
+ "Stream the On Screen Display menu (using the osdmenu subpicture module)." )
+
+#define THREADS_TEXT N_("Number of threads")
+#define THREADS_LONGTEXT N_( \
+ "Number of threads used for the transcoding." )
+#define HP_TEXT N_("High priority")
+#define HP_LONGTEXT N_( \
+ "Runs the optional encoder thread at the OUTPUT priority instead of " \
+ "VIDEO." )
+
+#define ASYNC_TEXT N_("Synchronise on audio track")
+#define ASYNC_LONGTEXT N_( \
+ "This option will drop/duplicate video frames to synchronise the video " \
+ "track on the audio track." )
+
+#define HURRYUP_TEXT N_( "Hurry up" )
+#define HURRYUP_LONGTEXT N_( "The transcoder will drop frames if your CPU " \
+ "can't keep up with the encoding rate." )
+
+static const char *const ppsz_deinterlace_type[] =
+{
+ "deinterlace", "ffmpeg-deinterlace"
+};
+
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+#define SOUT_CFG_PREFIX "sout-transcode-"
+
+vlc_module_begin ()
+ set_shortname( N_("Transcode"))
+ set_description( N_("Transcode stream output") )
+ set_capability( "sout stream", 50 )
+ add_shortcut( "transcode" )
+ set_callbacks( Open, Close )
+ set_category( CAT_SOUT )
+ set_subcategory( SUBCAT_SOUT_STREAM )
+ set_section( N_("Video"), NULL )
+ add_module( SOUT_CFG_PREFIX "venc", "encoder", NULL, NULL, VENC_TEXT,
+ VENC_LONGTEXT, false )
+ add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
+ VCODEC_LONGTEXT, false )
+ add_integer( SOUT_CFG_PREFIX "vb", 0, NULL, VB_TEXT,
+ VB_LONGTEXT, false )
+ add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
+ SCALE_LONGTEXT, false )
+ add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
+ FPS_LONGTEXT, false )
+ add_bool( SOUT_CFG_PREFIX "hurry-up", true, NULL, HURRYUP_TEXT,
+ HURRYUP_LONGTEXT, false )
+ add_bool( SOUT_CFG_PREFIX "deinterlace", false, NULL, DEINTERLACE_TEXT,
+ DEINTERLACE_LONGTEXT, false )
+ add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
+ DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
+ false )
+ change_string_list( ppsz_deinterlace_type, 0, 0 )
+ add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
+ WIDTH_LONGTEXT, true )
+ add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
+ HEIGHT_LONGTEXT, true )
+ add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
+ MAXWIDTH_LONGTEXT, true )
+ add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
+ MAXHEIGHT_LONGTEXT, true )
+ add_module_list( SOUT_CFG_PREFIX "vfilter", "video filter2",
+ NULL, NULL,
+ VFILTER_TEXT, VFILTER_LONGTEXT, false )
+
+ set_section( N_("Audio"), NULL )
+ add_module( SOUT_CFG_PREFIX "aenc", "encoder", NULL, NULL, AENC_TEXT,
+ AENC_LONGTEXT, false )
+ add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
+ ACODEC_LONGTEXT, false )
+ add_integer( SOUT_CFG_PREFIX "ab", 0, NULL, AB_TEXT,
+ AB_LONGTEXT, false )
+ add_string( SOUT_CFG_PREFIX "alang", NULL, NULL, ALANG_TEXT,
+ ALANG_LONGTEXT, true )
+ add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
+ ACHANS_LONGTEXT, false )
+ add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
+ ARATE_LONGTEXT, true )
+ add_bool( SOUT_CFG_PREFIX "audio-sync", false, NULL, ASYNC_TEXT,
+ ASYNC_LONGTEXT, false )
+ add_module_list( SOUT_CFG_PREFIX "afilter", "audio filter",
+ NULL, NULL,
+ AFILTER_TEXT, AFILTER_LONGTEXT, false )
+
+ set_section( N_("Overlays/Subtitles"), NULL )
+ add_module( SOUT_CFG_PREFIX "senc", "encoder", NULL, NULL, SENC_TEXT,
+ SENC_LONGTEXT, false )
+ add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
+ SCODEC_LONGTEXT, false )
+ add_bool( SOUT_CFG_PREFIX "soverlay", false, NULL, SCODEC_TEXT,
+ SCODEC_LONGTEXT, false )
+ add_module_list( SOUT_CFG_PREFIX "sfilter", "video filter",
+ NULL, NULL,
+ SFILTER_TEXT, SFILTER_LONGTEXT, false )
+
+ set_section( N_("On Screen Display"), NULL )
+ add_bool( SOUT_CFG_PREFIX "osd", false, NULL, OSD_TEXT,
+ OSD_LONGTEXT, false )
+
+ set_section( N_("Miscellaneous"), NULL )
+ add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
+ THREADS_LONGTEXT, true )
+ add_bool( SOUT_CFG_PREFIX "high-priority", false, NULL, HP_TEXT, HP_LONGTEXT,
+ true )
+
+vlc_module_end ()
+
+static const char *const ppsz_sout_options[] = {
+ "venc", "vcodec", "vb",
+ "scale", "fps", "width", "height", "vfilter", "deinterlace",
+ "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab", "alang",
+ "afilter", "samplerate", "channels", "senc", "scodec", "soverlay",
+ "sfilter", "osd", "audio-sync", "high-priority", "maxwidth", "maxheight",
+ NULL
+};
+
+/*****************************************************************************
+ * Exported prototypes
+ *****************************************************************************/
+static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
+static int Del ( sout_stream_t *, sout_stream_id_t * );
+static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
+
+/*****************************************************************************
+ * Open:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys;
+ vlc_value_t val;
+
+ p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
+
+ p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
+ if( !p_sys->p_out )
+ {
+ msg_Err( p_stream, "cannot create chain" );
+ vlc_object_release( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ p_sys->i_master_drift = 0;
+
+ config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
+ p_stream->p_cfg );
+
+ /* Audio transcoding parameters */
+ var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
+ p_sys->psz_aenc = NULL;
+ p_sys->p_audio_cfg = NULL;
+ if( val.psz_string && *val.psz_string )
+ {
+ char *psz_next;
+ psz_next = config_ChainCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
+ val.psz_string );
+ free( psz_next );
+ }
+ free( val.psz_string );
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
+ p_sys->i_acodec = 0;
+ if( val.psz_string && *val.psz_string )
+ {
+ char fcc[4] = " ";
+ memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
+ p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
+ }
+ free( val.psz_string );
+
+ p_sys->psz_alang = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "alang" );
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
+ p_sys->i_abitrate = val.i_int;
+ if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
+ p_sys->i_sample_rate = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
+ p_sys->i_channels = val.i_int;
+
+ if( p_sys->i_acodec )
+ {
+ if( ( p_sys->i_acodec == VLC_CODEC_MP3 ||
+ p_sys->i_acodec == VLC_CODEC_MPGA ) && p_sys->i_channels > 2 )
+ {
+ msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
+ p_sys->i_channels );
+ p_sys->i_channels = 2;
+ }
+ msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
+ (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
+ p_sys->i_channels, p_sys->i_abitrate / 1000 );
+ }
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "afilter", &val );
+ if( val.psz_string && *val.psz_string )
+ p_sys->psz_af = val.psz_string;
+ else
+ {
+ free( val.psz_string );
+ p_sys->psz_af = NULL;
+ }
+
+ /* Video transcoding parameters */
+ var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
+ p_sys->psz_venc = NULL;
+ p_sys->p_video_cfg = NULL;
+ if( val.psz_string && *val.psz_string )
+ {
+ char *psz_next;
+ psz_next = config_ChainCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
+ val.psz_string );
+ free( psz_next );
+ }
+ free( val.psz_string );
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
+ p_sys->i_vcodec = 0;
+ if( val.psz_string && *val.psz_string )
+ {
+ char fcc[4] = " ";
+ memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
+ p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
+ }
+ free( val.psz_string );
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
+ p_sys->i_vbitrate = val.i_int;
+ if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
+ p_sys->f_scale = val.f_float;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
+ p_sys->f_fps = val.f_float;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
+ p_sys->b_hurry_up = val.b_bool;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
+ p_sys->i_width = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
+ p_sys->i_height = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
+ p_sys->i_maxwidth = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
+ p_sys->i_maxheight = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
+ if( val.psz_string && *val.psz_string )
+ p_sys->psz_vf2 = val.psz_string;
+ else
+ {
+ free( val.psz_string );
+ p_sys->psz_vf2 = NULL;
+ }
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
+ p_sys->b_deinterlace = val.b_bool;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
+ p_sys->psz_deinterlace = NULL;
+ p_sys->p_deinterlace_cfg = NULL;
+ if( val.psz_string && *val.psz_string )
+ {
+ char *psz_next;
+ psz_next = config_ChainCreate( &p_sys->psz_deinterlace,
+ &p_sys->p_deinterlace_cfg,
+ val.psz_string );
+ free( psz_next );
+ }
+ free( val.psz_string );
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
+ p_sys->i_threads = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
+ p_sys->b_high_priority = val.b_bool;
+
+ if( p_sys->i_vcodec )
+ {
+ msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
+ (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
+ p_sys->f_scale, p_sys->i_vbitrate / 1000 );
+ }
+
+ /* Subpictures transcoding parameters */
+ p_sys->p_spu = NULL;
+ p_sys->psz_senc = NULL;
+ p_sys->p_spu_cfg = NULL;
+ p_sys->i_scodec = 0;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
+ if( val.psz_string && *val.psz_string )
+ {
+ char *psz_next;
+ psz_next = config_ChainCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
+ val.psz_string );
+ free( psz_next );
+ }
+ free( val.psz_string );
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
+ if( val.psz_string && *val.psz_string )
+ {
+ char fcc[4] = " ";
+ memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
+ p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
+ }
+ free( val.psz_string );
+
+ if( p_sys->i_scodec )
+ {
+ msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
+ }
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
+ p_sys->b_soverlay = val.b_bool;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
+ if( val.psz_string && *val.psz_string )
+ {
+ p_sys->p_spu = spu_Create( p_stream );
+ var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
+ var_Set( p_sys->p_spu, "sub-filter", val );
+ spu_Init( p_sys->p_spu );
+ }
+ free( val.psz_string );
+
+ /* OSD menu transcoding parameters */
+ p_sys->psz_osdenc = NULL;
+ p_sys->p_osd_cfg = NULL;
+ p_sys->i_osdcodec = 0;
+ p_sys->b_osd = false;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val );
+ if( val.b_bool )
+ {
+ vlc_value_t osd_val;
+ char *psz_next;
+
+ psz_next = config_ChainCreate( &p_sys->psz_osdenc,
+ &p_sys->p_osd_cfg, strdup( "dvbsub") );
+ free( psz_next );
+
+ p_sys->i_osdcodec = VLC_CODEC_YUVP;
+
+ msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
+
+ if( !p_sys->p_spu )
+ {
+ osd_val.psz_string = strdup("osdmenu");
+ p_sys->p_spu = spu_Create( p_stream );
+ var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
+ var_Set( p_sys->p_spu, "sub-filter", osd_val );
+ spu_Init( p_sys->p_spu );
+ free( osd_val.psz_string );
+ }
+ else
+ {
+ osd_val.psz_string = strdup("osdmenu");
+ var_Set( p_sys->p_spu, "sub-filter", osd_val );
+ free( osd_val.psz_string );
+ }
+ }
+
+ /* Audio settings */
+ var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
+ p_sys->b_master_sync = val.b_bool;
+ if( p_sys->f_fps > 0 ) p_sys->b_master_sync = true;
+
+ p_stream->pf_add = Add;
+ p_stream->pf_del = Del;
+ p_stream->pf_send = Send;
+ p_stream->p_sys = p_sys;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+static void Close( vlc_object_t * p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ sout_StreamDelete( p_sys->p_out );
+
+ free( p_sys->psz_af );
+
+ config_ChainDestroy( p_sys->p_audio_cfg );
+ free( p_sys->psz_aenc );
+ free( p_sys->psz_alang );
+
+ free( p_sys->psz_vf2 );
+
+ config_ChainDestroy( p_sys->p_video_cfg );
+ free( p_sys->psz_venc );
+
+ config_ChainDestroy( p_sys->p_deinterlace_cfg );
+ free( p_sys->psz_deinterlace );
+
+ config_ChainDestroy( p_sys->p_spu_cfg );
+ free( p_sys->psz_senc );
+
+ if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
+
+ config_ChainDestroy( p_sys->p_osd_cfg );
+ free( p_sys->psz_osdenc );
+
+ vlc_object_release( p_sys );
+}
+
+static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ sout_stream_id_t *id;
+
+ id = calloc( 1, sizeof( sout_stream_id_t ) );
+ if( !id )
+ goto error;
+
+ id->id = NULL;
+ id->p_decoder = NULL;
+ id->p_encoder = NULL;
+
+ /* Create decoder object */
+ id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
+ if( !id->p_decoder )
+ goto error;
+ vlc_object_attach( id->p_decoder, p_stream );
+ id->p_decoder->p_module = NULL;
+ id->p_decoder->fmt_in = *p_fmt;
+ id->p_decoder->b_pace_control = true;
+
+ /* Create encoder object */
+ id->p_encoder = sout_EncoderCreate( p_stream );
+ if( !id->p_encoder )
+ goto error;
+ vlc_object_attach( id->p_encoder, p_stream );
+ id->p_encoder->p_module = NULL;
+
+ /* Create destination format */
+ es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
+ id->p_encoder->fmt_out.i_id = p_fmt->i_id;
+ id->p_encoder->fmt_out.i_group = p_fmt->i_group;
+
+ if( p_sys->psz_alang )
+ id->p_encoder->fmt_out.psz_language = strdup( p_sys->psz_alang );
+ else if( p_fmt->psz_language )
+ id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
+
+ bool success;
+
+ if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
+ success = transcode_audio_add(p_stream, p_fmt, id);
+ else if( p_fmt->i_cat == VIDEO_ES && (p_sys->i_vcodec || p_sys->psz_venc) )
+ success = transcode_video_add(p_stream, p_fmt, id);
+ else if( ( p_fmt->i_cat == SPU_ES ) &&
+ ( p_sys->i_scodec || p_sys->psz_senc || p_sys->b_soverlay ) )
+ success = transcode_spu_add(p_stream, p_fmt, id);
+ else if( !p_sys->b_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
+ success = transcode_osd_add(p_stream, p_fmt, id);
+ else
+ {
+ msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
+ (char*)&p_fmt->i_codec );
+ id->id = sout_StreamIdAdd( p_sys->p_out, p_fmt );
+ id->b_transcode = false;
+
+ success = id->id;
+ }
+
+ if(!success)
+ goto error;
+
+ return id;
+
+error:
+ if( id )
+ {
+ if( id->p_decoder )
+ {
+ vlc_object_detach( id->p_decoder );
+ vlc_object_release( id->p_decoder );
+ id->p_decoder = NULL;
+ }
+
+ if( id->p_encoder )
+ {
+ vlc_object_detach( id->p_encoder );
+ es_format_Clean( &id->p_encoder->fmt_out );
+ vlc_object_release( id->p_encoder );
+ id->p_encoder = NULL;
+ }
+
+ free( id );
+ }
+ return NULL;
+}
+
+static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ if( id->b_transcode )
+ {
+ switch( id->p_decoder->fmt_in.i_cat )
+ {
+ case AUDIO_ES:
+ transcode_audio_close( id );
+ break;
+ case VIDEO_ES:
+ transcode_video_close( p_stream, id );
+ break;
+ case SPU_ES:
+ if( p_sys->b_osd )
+ transcode_osd_close( p_stream, id );
+ else
+ transcode_spu_close( id );
+ break;
+ }
+ }
+
+ if( id->id ) sout_StreamIdDel( p_sys->p_out, id->id );
+
+ if( id->p_decoder )
+ {
+ vlc_object_detach( id->p_decoder );
+ vlc_object_release( id->p_decoder );
+ id->p_decoder = NULL;
+ }
+
+ if( id->p_encoder )
+ {
+ vlc_object_detach( id->p_encoder );
+ es_format_Clean( &id->p_encoder->fmt_out );
+ vlc_object_release( id->p_encoder );
+ id->p_encoder = NULL;
+ }
+ free( id );
+
+ return VLC_SUCCESS;
+}
+
+static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *p_buffer )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ block_t *p_out = NULL;
+
+ if( !id->b_transcode )
+ {
+ if( id->id )
+ return sout_StreamIdSend( p_sys->p_out, id->id, p_buffer );
+
+ block_Release( p_buffer );
+ return VLC_EGENERIC;
+ }
+
+ switch( id->p_decoder->fmt_in.i_cat )
+ {
+ case AUDIO_ES:
+ transcode_audio_process( p_stream, id, p_buffer, &p_out );
+ break;
+
+ case VIDEO_ES:
+ if( transcode_video_process( p_stream, id, p_buffer, &p_out )
+ != VLC_SUCCESS )
+ {
+ return VLC_EGENERIC;
+ }
+ break;
+
+ case SPU_ES:
+ /* Transcode OSD menu pictures. */
+ if( p_sys->b_osd )
+ {
+ if( transcode_osd_process( p_stream, id, p_buffer, &p_out ) !=
+ VLC_SUCCESS )
+ {
+ return VLC_EGENERIC;
+ }
+ }
+ else if ( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
+ VLC_SUCCESS )
+ {
+ return VLC_EGENERIC;
+ }
+ break;
+
+ default:
+ p_out = NULL;
+ block_Release( p_buffer );
+ break;
+ }
+
+ if( p_out )
+ return sout_StreamIdSend( p_sys->p_out, id->id, p_out );
+ return VLC_SUCCESS;
+}
--- /dev/null
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <vlc_common.h>
+
+#include <vlc_sout.h>
+#include <vlc_filter.h>
+#include <vlc_es.h>
+#include <vlc_codec.h>
+#include <vlc_osd.h>
+
+
+#define PICTURE_RING_SIZE 64
+#define SUBPICTURE_RING_SIZE 20
+
+#define MASTER_SYNC_MAX_DRIFT 100000
+
+struct sout_stream_sys_t
+{
+ VLC_COMMON_MEMBERS
+
+ sout_stream_t *p_out;
+ sout_stream_id_t *id_video;
+ block_t *p_buffers;
+ vlc_mutex_t lock_out;
+ vlc_cond_t cond;
+ picture_t * pp_pics[PICTURE_RING_SIZE];
+ int i_first_pic, i_last_pic;
+
+ /* Audio */
+ vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
+ char *psz_aenc;
+ char *psz_alang;
+ config_chain_t *p_audio_cfg;
+ uint32_t i_sample_rate;
+ uint32_t i_channels;
+ int i_abitrate;
+
+ char *psz_af;
+
+ /* Video */
+ vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
+ char *psz_venc;
+ config_chain_t *p_video_cfg;
+ int i_vbitrate;
+ double f_scale;
+ double f_fps;
+ unsigned int i_width, i_maxwidth;
+ unsigned int i_height, i_maxheight;
+ bool b_deinterlace;
+ char *psz_deinterlace;
+ config_chain_t *p_deinterlace_cfg;
+ int i_threads;
+ bool b_high_priority;
+ bool b_hurry_up;
+
+ char *psz_vf2;
+
+ /* SPU */
+ vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
+ char *psz_senc;
+ bool b_soverlay;
+ config_chain_t *p_spu_cfg;
+ spu_t *p_spu;
+
+ /* OSD Menu */
+ vlc_fourcc_t i_osdcodec; /* codec osd menu (0 if not transcode) */
+ char *psz_osdenc;
+ config_chain_t *p_osd_cfg;
+ bool b_osd; /* true when osd es is registered */
+
+ /* Sync */
+ bool b_master_sync;
+ mtime_t i_master_drift;
+};
+
+struct sout_stream_id_t
+{
+ bool b_transcode;
+
+ /* id of the out stream */
+ void *id;
+
+ /* Decoder */
+ decoder_t *p_decoder;
+
+ /* Filters */
+ filter_chain_t *p_f_chain;
+ /* User specified filters */
+ filter_chain_t *p_uf_chain;
+
+ /* Encoder */
+ encoder_t *p_encoder;
+
+ /* Sync */
+ date_t interpolated_pts;
+};
+
+/* OSD */
+
+int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id );
+void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id);
+int transcode_osd_process( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *in, block_t **out );
+bool transcode_osd_add ( sout_stream_t *, es_format_t *, sout_stream_id_t *);
+
+/* SPU */
+
+int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
+void transcode_spu_close ( sout_stream_id_t * );
+int transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
+ block_t *, block_t ** );
+bool transcode_spu_add ( sout_stream_t *, es_format_t *, sout_stream_id_t *);
+
+/* AUDIO */
+
+int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
+void transcode_audio_close ( sout_stream_id_t * );
+int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
+ block_t *, block_t ** );
+bool transcode_audio_add ( sout_stream_t *, es_format_t *,
+ sout_stream_id_t *);
+
+/* VIDEO */
+
+int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
+void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
+int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
+ block_t *, block_t ** );
+bool transcode_video_add ( sout_stream_t *, es_format_t *,
+ sout_stream_id_t *);
--- /dev/null
+/*****************************************************************************
+ * video.c: transcoding stream output module (video)
+ *****************************************************************************
+ * Copyright (C) 2003-2009 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Gildas Bazin <gbazin@videolan.org>
+ * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
+ * Antoine Cellerier <dionoea at videolan dot org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#include "transcode.h"
+
+#include <vlc_meta.h>
+
+#define ENC_FRAMERATE (25 * 1000 + .5)
+#define ENC_FRAMERATE_BASE 1000
+
+struct decoder_owner_sys_t
+{
+ sout_stream_sys_t *p_sys;
+};
+
+static inline void video_timer_start( encoder_t * p_encoder )
+{
+ stats_TimerStart( p_encoder, "encoding video frame",
+ STATS_TIMER_VIDEO_FRAME_ENCODING );
+}
+
+static inline void video_timer_stop( encoder_t * p_encoder )
+{
+ stats_TimerStop( p_encoder, STATS_TIMER_VIDEO_FRAME_ENCODING );
+}
+
+static inline void video_timer_close( encoder_t * p_encoder )
+{
+ stats_TimerDump( p_encoder, STATS_TIMER_VIDEO_FRAME_ENCODING );
+ stats_TimerClean( p_encoder, STATS_TIMER_VIDEO_FRAME_ENCODING );
+}
+
+static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
+{
+ VLC_UNUSED(p_decoder);
+ picture_Release( p_pic );
+}
+
+static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
+{
+ VLC_UNUSED(p_dec);
+ picture_Hold( p_pic );
+}
+
+static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
+{
+ VLC_UNUSED(p_dec);
+ picture_Release( p_pic );
+}
+
+static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
+{
+ sout_stream_sys_t *p_ssys = p_dec->p_owner->p_sys;
+ if( p_ssys->i_threads >= 1 )
+ {
+ int i_first_pic = p_ssys->i_first_pic;
+
+ if( p_ssys->i_first_pic != p_ssys->i_last_pic )
+ {
+ /* Encoder still has stuff to encode, wait to clear-up the list */
+ while( p_ssys->i_first_pic == i_first_pic )
+ {
+#warning THERE IS DEFINITELY A BUG! LOCKING IS INSUFFICIENT!
+ msleep( 10000 );
+ barrier ();
+ }
+ }
+ }
+
+ p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
+ return picture_New( p_dec->fmt_out.video.i_chroma,
+ p_dec->fmt_out.video.i_width,
+ p_dec->fmt_out.video.i_height,
+ p_dec->fmt_out.video.i_aspect );
+}
+
+static picture_t *transcode_video_filter_buffer_new( filter_t *p_filter )
+{
+ p_filter->fmt_out.video.i_chroma = p_filter->fmt_out.i_codec;
+ return picture_New( p_filter->fmt_out.video.i_chroma,
+ p_filter->fmt_out.video.i_width,
+ p_filter->fmt_out.video.i_height,
+ p_filter->fmt_out.video.i_aspect );
+}
+static void transcode_video_filter_buffer_del( filter_t *p_filter, picture_t *p_pic )
+{
+ VLC_UNUSED(p_filter);
+ picture_Release( p_pic );
+}
+
+static int transcode_video_filter_allocation_init( filter_t *p_filter,
+ void *p_data )
+{
+ VLC_UNUSED(p_data);
+ p_filter->pf_vout_buffer_new = transcode_video_filter_buffer_new;
+ p_filter->pf_vout_buffer_del = transcode_video_filter_buffer_del;
+ return VLC_SUCCESS;
+}
+
+static void transcode_video_filter_allocation_clear( filter_t *p_filter )
+{
+ VLC_UNUSED(p_filter);
+}
+
+static void* EncoderThread( vlc_object_t* p_this )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_this;
+ sout_stream_id_t *id = p_sys->id_video;
+ picture_t *p_pic;
+ int canc = vlc_savecancel ();
+
+ while( vlc_object_alive (p_sys) && !p_sys->b_error )
+ {
+ block_t *p_block;
+
+ vlc_mutex_lock( &p_sys->lock_out );
+ while( p_sys->i_last_pic == p_sys->i_first_pic )
+ {
+ vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
+ if( !vlc_object_alive (p_sys) || p_sys->b_error ) break;
+ }
+ if( !vlc_object_alive (p_sys) || p_sys->b_error )
+ {
+ vlc_mutex_unlock( &p_sys->lock_out );
+ break;
+ }
+
+ p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
+ p_sys->i_first_pic %= PICTURE_RING_SIZE;
+ vlc_mutex_unlock( &p_sys->lock_out );
+
+ video_timer_start( id->p_encoder );
+ p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
+ video_timer_stop( id->p_encoder );
+
+ vlc_mutex_lock( &p_sys->lock_out );
+ block_ChainAppend( &p_sys->p_buffers, p_block );
+
+ vlc_mutex_unlock( &p_sys->lock_out );
+ picture_Release( p_pic );
+ }
+
+ while( p_sys->i_last_pic != p_sys->i_first_pic )
+ {
+ p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
+ p_sys->i_first_pic %= PICTURE_RING_SIZE;
+ picture_Release( p_pic );
+ }
+ block_ChainRelease( p_sys->p_buffers );
+
+ vlc_restorecancel (canc);
+ return NULL;
+}
+
+int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ /* Open decoder
+ * Initialization of decoder structures
+ */
+ id->p_decoder->fmt_out = id->p_decoder->fmt_in;
+ id->p_decoder->fmt_out.i_extra = 0;
+ id->p_decoder->fmt_out.p_extra = 0;
+ id->p_decoder->pf_decode_video = NULL;
+ id->p_decoder->pf_get_cc = NULL;
+ id->p_decoder->pf_get_cc = 0;
+ id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
+ id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
+ id->p_decoder->pf_picture_link = video_link_picture_decoder;
+ id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
+ id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
+ if( !id->p_decoder->p_owner )
+ return VLC_EGENERIC;
+
+ id->p_decoder->p_owner->p_sys = p_sys;
+ /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
+
+ id->p_decoder->p_module =
+ module_need( id->p_decoder, "decoder", "$codec", false );
+
+ if( !id->p_decoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find video decoder" );
+ free( id->p_decoder->p_owner );
+ return VLC_EGENERIC;
+ }
+
+ /*
+ * Open encoder.
+ * Because some info about the decoded input will only be available
+ * once the first frame is decoded, we actually only test the availability
+ * of the encoder here.
+ */
+
+ /* Initialization of encoder format structures */
+ es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
+ id->p_decoder->fmt_out.i_codec );
+ id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
+
+ /* The dimensions will be set properly later on.
+ * Just put sensible values so we can test an encoder is available. */
+ id->p_encoder->fmt_in.video.i_width =
+ id->p_encoder->fmt_out.video.i_width
+ ? id->p_encoder->fmt_out.video.i_width
+ : id->p_decoder->fmt_in.video.i_width
+ ? id->p_decoder->fmt_in.video.i_width : 16;
+ id->p_encoder->fmt_in.video.i_height =
+ id->p_encoder->fmt_out.video.i_height
+ ? id->p_encoder->fmt_out.video.i_height
+ : id->p_decoder->fmt_in.video.i_height
+ ? id->p_decoder->fmt_in.video.i_height : 16;
+ id->p_encoder->fmt_in.video.i_frame_rate = ENC_FRAMERATE;
+ id->p_encoder->fmt_in.video.i_frame_rate_base = ENC_FRAMERATE_BASE;
+
+ id->p_encoder->i_threads = p_sys->i_threads;
+ id->p_encoder->p_cfg = p_sys->p_video_cfg;
+
+ id->p_encoder->p_module =
+ module_need( id->p_encoder, "encoder", p_sys->psz_venc, true );
+ if( !id->p_encoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find video encoder (module:%s fourcc:%4.4s)",
+ p_sys->psz_venc ? p_sys->psz_venc : "any",
+ (char *)&p_sys->i_vcodec );
+ module_unneed( id->p_decoder, id->p_decoder->p_module );
+ id->p_decoder->p_module = 0;
+ free( id->p_decoder->p_owner );
+ return VLC_EGENERIC;
+ }
+
+ /* Close the encoder.
+ * We'll open it only when we have the first frame. */
+ module_unneed( id->p_encoder, id->p_encoder->p_module );
+ if( id->p_encoder->fmt_out.p_extra )
+ {
+ free( id->p_encoder->fmt_out.p_extra );
+ id->p_encoder->fmt_out.p_extra = NULL;
+ id->p_encoder->fmt_out.i_extra = 0;
+ }
+ id->p_encoder->p_module = NULL;
+
+ if( p_sys->i_threads >= 1 )
+ {
+ int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
+ VLC_THREAD_PRIORITY_VIDEO;
+ p_sys->id_video = id;
+ vlc_mutex_init( &p_sys->lock_out );
+ vlc_cond_init( &p_sys->cond );
+ memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
+ p_sys->i_first_pic = 0;
+ p_sys->i_last_pic = 0;
+ p_sys->p_buffers = NULL;
+ p_sys->b_die = p_sys->b_error = 0;
+ if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority ) )
+ {
+ msg_Err( p_stream, "cannot spawn encoder thread" );
+ module_unneed( id->p_decoder, id->p_decoder->p_module );
+ id->p_decoder->p_module = 0;
+ free( id->p_decoder->p_owner );
+ return VLC_EGENERIC;
+ }
+ }
+ return VLC_SUCCESS;
+}
+
+static void transcode_video_encoder_init( sout_stream_t *p_stream,
+ sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ /* Calculate scaling
+ * width/height of source */
+ int i_src_width = id->p_decoder->fmt_out.video.i_width;
+ int i_src_height = id->p_decoder->fmt_out.video.i_height;
+
+ /* with/height scaling */
+ float f_scale_width = 1;
+ float f_scale_height = 1;
+
+ /* width/height of output stream */
+ int i_dst_width;
+ int i_dst_height;
+
+ /* aspect ratio */
+ float f_aspect = (float)id->p_decoder->fmt_out.video.i_aspect /
+ VOUT_ASPECT_FACTOR;
+
+ msg_Dbg( p_stream, "decoder aspect is %i:%i",
+ id->p_decoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
+
+ /* Change f_aspect from source frame to source pixel */
+ f_aspect = f_aspect * i_src_height / i_src_width;
+ msg_Dbg( p_stream, "source pixel aspect is %f:1", f_aspect );
+
+ /* Calculate scaling factor for specified parameters */
+ if( id->p_encoder->fmt_out.video.i_width <= 0 &&
+ id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
+ {
+ /* Global scaling. Make sure width will remain a factor of 16 */
+ float f_real_scale;
+ int i_new_height;
+ int i_new_width = i_src_width * p_sys->f_scale;
+
+ if( i_new_width % 16 <= 7 && i_new_width >= 16 )
+ i_new_width -= i_new_width % 16;
+ else
+ i_new_width += 16 - i_new_width % 16;
+
+ f_real_scale = (float)( i_new_width ) / (float) i_src_width;
+
+ i_new_height = __MAX( 16, i_src_height * (float)f_real_scale );
+
+ f_scale_width = f_real_scale;
+ f_scale_height = (float) i_new_height / (float) i_src_height;
+ }
+ else if( id->p_encoder->fmt_out.video.i_width > 0 &&
+ id->p_encoder->fmt_out.video.i_height <= 0 )
+ {
+ /* Only width specified */
+ f_scale_width = (float)id->p_encoder->fmt_out.video.i_width/i_src_width;
+ f_scale_height = f_scale_width;
+ }
+ else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
+ id->p_encoder->fmt_out.video.i_height > 0 )
+ {
+ /* Only height specified */
+ f_scale_height = (float)id->p_encoder->fmt_out.video.i_height/i_src_height;
+ f_scale_width = f_scale_height;
+ }
+ else if( id->p_encoder->fmt_out.video.i_width > 0 &&
+ id->p_encoder->fmt_out.video.i_height > 0 )
+ {
+ /* Width and height specified */
+ f_scale_width = (float)id->p_encoder->fmt_out.video.i_width/i_src_width;
+ f_scale_height = (float)id->p_encoder->fmt_out.video.i_height/i_src_height;
+ }
+
+ /* check maxwidth and maxheight */
+ if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
+ i_src_width )
+ {
+ f_scale_width = (float)p_sys->i_maxwidth / i_src_width;
+ }
+
+ if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
+ i_src_height )
+ {
+ f_scale_height = (float)p_sys->i_maxheight / i_src_height;
+ }
+
+
+ /* Change aspect ratio from source pixel to scaled pixel */
+ f_aspect = f_aspect * f_scale_height / f_scale_width;
+ msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );
+
+ /* f_scale_width and f_scale_height are now final */
+ /* Calculate width, height from scaling
+ * Make sure its multiple of 2
+ */
+ i_dst_width = 2 * (int)(f_scale_width*i_src_width/2+0.5);
+ i_dst_height = 2 * (int)(f_scale_height*i_src_height/2+0.5);
+
+ /* Change aspect ratio from scaled pixel to output frame */
+ f_aspect = f_aspect * i_dst_width / i_dst_height;
+
+ /* Store calculated values */
+ id->p_encoder->fmt_out.video.i_width =
+ id->p_encoder->fmt_out.video.i_visible_width = i_dst_width;
+ id->p_encoder->fmt_out.video.i_height =
+ id->p_encoder->fmt_out.video.i_visible_height = i_dst_height;
+
+ id->p_encoder->fmt_in.video.i_width =
+ id->p_encoder->fmt_in.video.i_visible_width = i_dst_width;
+ id->p_encoder->fmt_in.video.i_height =
+ id->p_encoder->fmt_in.video.i_visible_height = i_dst_height;
+
+ msg_Dbg( p_stream, "source %ix%i, destination %ix%i",
+ i_src_width, i_src_height,
+ i_dst_width, i_dst_height
+ );
+
+ /* Handle frame rate conversion */
+ if( !id->p_encoder->fmt_out.video.i_frame_rate ||
+ !id->p_encoder->fmt_out.video.i_frame_rate_base )
+ {
+ if( id->p_decoder->fmt_out.video.i_frame_rate &&
+ id->p_decoder->fmt_out.video.i_frame_rate_base )
+ {
+ id->p_encoder->fmt_out.video.i_frame_rate =
+ id->p_decoder->fmt_out.video.i_frame_rate;
+ id->p_encoder->fmt_out.video.i_frame_rate_base =
+ id->p_decoder->fmt_out.video.i_frame_rate_base;
+ }
+ else
+ {
+ /* Pick a sensible default value */
+ id->p_encoder->fmt_out.video.i_frame_rate = ENC_FRAMERATE;
+ id->p_encoder->fmt_out.video.i_frame_rate_base = ENC_FRAMERATE_BASE;
+ }
+ }
+
+ id->p_encoder->fmt_in.video.i_frame_rate =
+ id->p_encoder->fmt_out.video.i_frame_rate;
+ id->p_encoder->fmt_in.video.i_frame_rate_base =
+ id->p_encoder->fmt_out.video.i_frame_rate_base;
+
+ date_Init( &id->interpolated_pts,
+ id->p_encoder->fmt_out.video.i_frame_rate,
+ id->p_encoder->fmt_out.video.i_frame_rate_base );
+
+ /* Check whether a particular aspect ratio was requested */
+ if( !id->p_encoder->fmt_out.video.i_aspect )
+ {
+ id->p_encoder->fmt_out.video.i_aspect =
+ (int)( f_aspect * VOUT_ASPECT_FACTOR + 0.5 );
+ }
+ id->p_encoder->fmt_in.video.i_aspect =
+ id->p_encoder->fmt_out.video.i_aspect;
+
+ msg_Dbg( p_stream, "encoder aspect is %i:%i",
+ id->p_encoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
+
+ id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
+}
+
+static int transcode_video_encoder_open( sout_stream_t *p_stream,
+ sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+
+ msg_Dbg( p_stream, "destination (after video filters) %ix%i",
+ id->p_encoder->fmt_in.video.i_width,
+ id->p_encoder->fmt_in.video.i_height );
+
+ id->p_encoder->p_module =
+ module_need( id->p_encoder, "encoder", p_sys->psz_venc, true );
+ if( !id->p_encoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find video encoder (module:%s fourcc:%4.4s)",
+ p_sys->psz_venc ? p_sys->psz_venc : "any",
+ (char *)&p_sys->i_vcodec );
+ return VLC_EGENERIC;
+ }
+
+ id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
+
+ /* */
+ id->p_encoder->fmt_out.i_codec =
+ vlc_fourcc_GetCodec( VIDEO_ES, id->p_encoder->fmt_out.i_codec );
+
+ id->id = sout_StreamIdAdd( p_stream->p_sys->p_out,
+ &id->p_encoder->fmt_out );
+ if( !id->id )
+ {
+ msg_Err( p_stream, "cannot add this stream" );
+ return VLC_EGENERIC;
+ }
+
+ return VLC_SUCCESS;
+}
+
+void transcode_video_close( sout_stream_t *p_stream,
+ sout_stream_id_t *id )
+{
+ if( p_stream->p_sys->i_threads >= 1 )
+ {
+ vlc_mutex_lock( &p_stream->p_sys->lock_out );
+ vlc_object_kill( p_stream->p_sys );
+ vlc_cond_signal( &p_stream->p_sys->cond );
+ vlc_mutex_unlock( &p_stream->p_sys->lock_out );
+ vlc_thread_join( p_stream->p_sys );
+ vlc_mutex_destroy( &p_stream->p_sys->lock_out );
+ vlc_cond_destroy( &p_stream->p_sys->cond );
+ }
+
+ video_timer_close( id->p_encoder );
+
+ /* Close decoder */
+ if( id->p_decoder->p_module )
+ module_unneed( id->p_decoder, id->p_decoder->p_module );
+ if( id->p_decoder->p_description )
+ vlc_meta_Delete( id->p_decoder->p_description );
+
+ free( id->p_decoder->p_owner );
+
+ /* Close encoder */
+ if( id->p_encoder->p_module )
+ module_unneed( id->p_encoder, id->p_encoder->p_module );
+
+ /* Close filters */
+ if( id->p_f_chain )
+ filter_chain_Delete( id->p_f_chain );
+ if( id->p_uf_chain )
+ filter_chain_Delete( id->p_uf_chain );
+}
+
+int transcode_video_process( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *in, block_t **out )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ int i_duplicate = 1;
+ picture_t *p_pic, *p_pic2 = NULL;
+ *out = NULL;
+
+ while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
+ {
+ subpicture_t *p_subpic = NULL;
+
+ sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_VIDEO, 1 );
+
+ if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
+ {
+ mtime_t current_date = mdate();
+ if( current_date + 50000 > p_pic->date )
+ {
+ msg_Dbg( p_stream, "late picture skipped (%"PRId64")",
+ current_date + 50000 - p_pic->date );
+ picture_Release( p_pic );
+ continue;
+ }
+ }
+
+ if( p_sys->b_master_sync )
+ {
+ mtime_t i_video_drift;
+ mtime_t i_master_drift = p_sys->i_master_drift;
+ mtime_t i_pts;
+
+ i_pts = date_Get( &id->interpolated_pts ) + 1;
+ if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
+ || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
+ {
+ msg_Dbg( p_stream, "drift is too high, resetting master sync" );
+ date_Set( &id->interpolated_pts, p_pic->date );
+ i_pts = p_pic->date + 1;
+ }
+ i_video_drift = p_pic->date - i_pts;
+ i_duplicate = 1;
+
+ /* Set the pts of the frame being encoded */
+ p_pic->date = i_pts;
+
+ if( i_video_drift < (i_master_drift - 50000) )
+ {
+#if 0
+ msg_Dbg( p_stream, "dropping frame (%i)",
+ (int)(i_video_drift - i_master_drift) );
+#endif
+ picture_Release( p_pic );
+ continue;
+ }
+ else if( i_video_drift > (i_master_drift + 50000) )
+ {
+#if 0
+ msg_Dbg( p_stream, "adding frame (%i)",
+ (int)(i_video_drift - i_master_drift) );
+#endif
+ i_duplicate = 2;
+ }
+ }
+
+ if( !id->p_encoder->p_module )
+ {
+ transcode_video_encoder_init( p_stream, id );
+
+ id->p_f_chain = filter_chain_New( p_stream, "video filter2",
+ false,
+ transcode_video_filter_allocation_init,
+ transcode_video_filter_allocation_clear,
+ p_stream->p_sys );
+
+ /* Deinterlace */
+ if( p_stream->p_sys->b_deinterlace )
+ {
+ filter_chain_AppendFilter( id->p_f_chain,
+ p_sys->psz_deinterlace,
+ p_sys->p_deinterlace_cfg,
+ &id->p_decoder->fmt_out,
+ &id->p_decoder->fmt_out );
+ }
+ /* Take care of the scaling and chroma conversions */
+ if( ( id->p_decoder->fmt_out.video.i_chroma !=
+ id->p_encoder->fmt_in.video.i_chroma ) ||
+ ( id->p_decoder->fmt_out.video.i_width !=
+ id->p_encoder->fmt_in.video.i_width ) ||
+ ( id->p_decoder->fmt_out.video.i_height !=
+ id->p_encoder->fmt_in.video.i_height ) )
+ {
+ filter_chain_AppendFilter( id->p_f_chain,
+ NULL, NULL,
+ &id->p_decoder->fmt_out,
+ &id->p_encoder->fmt_in );
+ }
+
+ if( p_sys->psz_vf2 )
+ {
+ const es_format_t *p_fmt_out;
+ id->p_uf_chain = filter_chain_New( p_stream, "video filter2",
+ true,
+ transcode_video_filter_allocation_init,
+ transcode_video_filter_allocation_clear,
+ p_stream->p_sys );
+ filter_chain_Reset( id->p_uf_chain, &id->p_encoder->fmt_in,
+ &id->p_encoder->fmt_in );
+ filter_chain_AppendFromString( id->p_uf_chain, p_sys->psz_vf2 );
+ p_fmt_out = filter_chain_GetFmtOut( id->p_uf_chain );
+ es_format_Copy( &id->p_encoder->fmt_in, p_fmt_out );
+ id->p_encoder->fmt_out.video.i_width =
+ id->p_encoder->fmt_in.video.i_width;
+ id->p_encoder->fmt_out.video.i_height =
+ id->p_encoder->fmt_in.video.i_height;
+ id->p_encoder->fmt_out.video.i_aspect =
+ id->p_encoder->fmt_in.video.i_aspect;
+ }
+
+ if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
+ {
+ picture_Release( p_pic );
+ transcode_video_close( p_stream, id );
+ id->b_transcode = false;
+ return VLC_EGENERIC;
+ }
+ }
+
+ /* Run filter chain */
+ if( id->p_f_chain )
+ p_pic = filter_chain_VideoFilter( id->p_f_chain, p_pic );
+
+ /*
+ * Encoding
+ */
+
+ /* Check if we have a subpicture to overlay */
+ if( p_sys->p_spu )
+ {
+ p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date, false );
+ /* TODO: get another pic */
+ }
+
+ /* Overlay subpicture */
+ if( p_subpic )
+ {
+ video_format_t fmt;
+
+ if( picture_IsReferenced( p_pic ) && !filter_chain_GetLength( id->p_f_chain ) )
+ {
+ /* We can't modify the picture, we need to duplicate it */
+ picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
+ if( p_tmp )
+ {
+ picture_Copy( p_tmp, p_pic );
+ picture_Release( p_pic );
+ p_pic = p_tmp;
+ }
+ }
+
+ if( filter_chain_GetLength( id->p_f_chain ) > 0 )
+ fmt = filter_chain_GetFmtOut( id->p_f_chain )->video;
+ else
+ fmt = id->p_decoder->fmt_out.video;
+
+ /* FIXME (shouldn't have to be done here) */
+ fmt.i_sar_num = fmt.i_aspect * fmt.i_height / fmt.i_width;
+ fmt.i_sar_den = VOUT_ASPECT_FACTOR;
+
+ /* FIXME the mdate() seems highly suspicious */
+ spu_RenderSubpictures( p_sys->p_spu, p_pic, &fmt,
+ p_subpic, &id->p_decoder->fmt_out.video, mdate() );
+ }
+
+ /* Run user specified filter chain */
+ if( id->p_uf_chain )
+ p_pic = filter_chain_VideoFilter( id->p_uf_chain, p_pic );
+
+ if( p_sys->i_threads == 0 )
+ {
+ block_t *p_block;
+
+ video_timer_start( id->p_encoder );
+ p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
+ video_timer_stop( id->p_encoder );
+
+ block_ChainAppend( out, p_block );
+ }
+
+ if( p_sys->b_master_sync )
+ {
+ mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
+ if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
+ || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
+ {
+ msg_Dbg( p_stream, "drift is too high, resetting master sync" );
+ date_Set( &id->interpolated_pts, p_pic->date );
+ i_pts = p_pic->date + 1;
+ }
+ date_Increment( &id->interpolated_pts, 1 );
+ }
+
+ if( p_sys->b_master_sync && i_duplicate > 1 )
+ {
+ mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
+ if( (p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT)
+ || ((p_pic->date - i_pts) < -MASTER_SYNC_MAX_DRIFT) )
+ {
+ msg_Dbg( p_stream, "drift is too high, resetting master sync" );
+ date_Set( &id->interpolated_pts, p_pic->date );
+ i_pts = p_pic->date + 1;
+ }
+ date_Increment( &id->interpolated_pts, 1 );
+
+ if( p_sys->i_threads >= 1 )
+ {
+ /* We can't modify the picture, we need to duplicate it */
+ p_pic2 = video_new_buffer_decoder( id->p_decoder );
+ if( p_pic2 != NULL )
+ {
+ picture_Copy( p_pic2, p_pic );
+ p_pic2->date = i_pts;
+ }
+ }
+ else
+ {
+ block_t *p_block;
+ p_pic->date = i_pts;
+ video_timer_start( id->p_encoder );
+ p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
+ video_timer_stop( id->p_encoder );
+ block_ChainAppend( out, p_block );
+ }
+ }
+
+ if( p_sys->i_threads == 0 )
+ {
+ picture_Release( p_pic );
+ }
+ else
+ {
+ vlc_mutex_lock( &p_sys->lock_out );
+ p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
+ p_sys->i_last_pic %= PICTURE_RING_SIZE;
+ *out = p_sys->p_buffers;
+ p_sys->p_buffers = NULL;
+ if( p_pic2 != NULL )
+ {
+ p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
+ p_sys->i_last_pic %= PICTURE_RING_SIZE;
+ }
+ vlc_cond_signal( &p_sys->cond );
+ vlc_mutex_unlock( &p_sys->lock_out );
+ }
+ }
+
+ return VLC_SUCCESS;
+}
+
+bool transcode_video_add( sout_stream_t *p_stream, es_format_t *p_fmt,
+ sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ msg_Dbg( p_stream,
+ "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
+ (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
+
+ /* Complete destination format */
+ id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
+ id->p_encoder->fmt_out.video.i_width = p_sys->i_width & ~1;
+ id->p_encoder->fmt_out.video.i_height = p_sys->i_height & ~1;
+ id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
+
+ /* Build decoder -> filter -> encoder chain */
+ if( transcode_video_new( p_stream, id ) )
+ {
+ msg_Err( p_stream, "cannot create video chain" );
+ return false;
+ }
+
+ /* Stream will be added later on because we don't know
+ * all the characteristics of the decoded stream yet */
+ id->b_transcode = true;
+
+ if( p_sys->f_fps > 0 )
+ {
+ id->p_encoder->fmt_out.video.i_frame_rate = (p_sys->f_fps * 1000) + 0.5;
+ id->p_encoder->fmt_out.video.i_frame_rate_base = ENC_FRAMERATE_BASE;
+ }
+
+ return true;
+}
+
projects / vlc / commitdiff