/*****************************************************************************
- * transcode.c
+ * transcode.c: transcoding stream output module
*****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
- * $Id: transcode.c,v 1.39 2003/10/09 12:31:05 gbazin Exp $
+ * 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>
*
* 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
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h>
-#include <string.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
#include <vlc/vlc.h>
-#include <vlc/input.h>
-#include <vlc/sout.h>
-#include <vlc/vout.h>
-#include <vlc/decoder.h>
-
-/* ffmpeg header */
-#ifdef HAVE_FFMPEG_AVCODEC_H
-# include <ffmpeg/avcodec.h>
-#else
-# include <avcodec.h>
-#endif
+#include <vlc_input.h>
+#include <vlc_sout.h>
+#include <vlc_aout.h>
+#include <vlc_vout.h>
+#include <vlc_codec.h>
+#include <vlc_block.h>
+#include <vlc_filter.h>
+#include <vlc_osd.h>
-/* vorbis header */
-#ifdef HAVE_VORBIS_VORBISENC_H
-# include <vorbis/vorbisenc.h>
-# ifndef OV_ECTL_RATEMANAGE_AVG
-# define OV_ECTL_RATEMANAGE_AVG 0x0
-# endif
-#endif
+#include <math.h>
+
+#define MASTER_SYNC_MAX_DRIFT 100000
/*****************************************************************************
- * Exported prototypes
+ * Module descriptor
*****************************************************************************/
-static int Open ( vlc_object_t * );
-static void Close ( vlc_object_t * );
-
-static sout_stream_id_t *Add ( sout_stream_t *, sout_format_t * );
-static int Del ( sout_stream_t *, sout_stream_id_t * );
-static int Send( sout_stream_t *, sout_stream_id_t *, sout_buffer_t* );
-
-static int transcode_audio_ffmpeg_new ( sout_stream_t *, sout_stream_id_t * );
-static void transcode_audio_ffmpeg_close ( sout_stream_t *, sout_stream_id_t * );
-static int transcode_audio_ffmpeg_process( sout_stream_t *, sout_stream_id_t *, sout_buffer_t *, sout_buffer_t ** );
+#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 CROPTOP_TEXT N_("Video crop (top)")
+#define CROPTOP_LONGTEXT N_( \
+ "Number of pixels to crop at the top of the video." )
+#define CROPLEFT_TEXT N_("Video crop (left)")
+#define CROPLEFT_LONGTEXT N_( \
+ "Number of pixels to crop at the left of the video." )
+#define CROPBOTTOM_TEXT N_("Video crop (bottom)")
+#define CROPBOTTOM_LONGTEXT N_( \
+ "Number of pixels to crop at the bottom of the video." )
+#define CROPRIGHT_TEXT N_("Video crop (right)")
+#define CROPRIGHT_LONGTEXT N_( \
+ "Number of pixels to crop at the right of the video." )
+
+#define PADDTOP_TEXT N_("Video padding (top)")
+#define PADDTOP_LONGTEXT N_( \
+ "Size of the black border to add at the top of the video." )
+#define PADDLEFT_TEXT N_("Video padding (left)")
+#define PADDLEFT_LONGTEXT N_( \
+ "Size of the black border to add at the left of the video." )
+#define PADDBOTTOM_TEXT N_("Video padding (bottom)")
+#define PADDBOTTOM_LONGTEXT N_( \
+ "Size of the black border to add at the bottom of the video." )
+#define PADDRIGHT_TEXT N_("Video padding (right)")
+#define PADDRIGHT_LONGTEXT N_( \
+ "Size of the black border to add at the right of the video." )
+
+#define CANVAS_WIDTH_TEXT N_("Video canvas width")
+#define CANVAS_WIDTH_LONGTEXT N_( \
+ "This will automatically crod and pad the video to a specified width." )
+#define CANVAS_HEIGHT_TEXT N_("Video canvas height")
+#define CANVAS_HEIGHT_LONGTEXT N_( \
+ "This will automatically crod and pad the video to a specified height." )
+#define CANVAS_ASPECT_TEXT N_("Video canvas aspect ratio")
+#define CANVAS_ASPECT_LONGTEXT N_( \
+ "This sets aspect (like 4:3) of the video canvas and letterbox the video "\
+ "accordingly." )
+
+#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 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 *ppsz_deinterlace_type[] =
+{
+ "deinterlace", "ffmpeg-deinterlace"
+};
-static int transcode_video_ffmpeg_new ( sout_stream_t *, sout_stream_id_t * );
-static void transcode_video_ffmpeg_close ( sout_stream_t *, sout_stream_id_t * );
-static int transcode_video_ffmpeg_process( sout_stream_t *, sout_stream_id_t *, sout_buffer_t *, sout_buffer_t ** );
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
-static int transcode_video_ffmpeg_getframebuf( struct AVCodecContext *, AVFrame *);
+#define SOUT_CFG_PREFIX "sout-transcode-"
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
vlc_module_begin();
- set_description( _("Transcode stream") );
+ set_shortname( _("Transcode"));
+ set_description( _("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_string( SOUT_CFG_PREFIX "venc", 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", 800 * 1000, 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", 0, 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 );
+
+ add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
+ CROPTOP_LONGTEXT, true );
+ add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
+ CROPLEFT_LONGTEXT, true );
+ add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
+ CROPBOTTOM_LONGTEXT, true );
+ add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
+ CROPRIGHT_LONGTEXT, true );
+
+ add_integer( SOUT_CFG_PREFIX "paddtop", 0, NULL, PADDTOP_TEXT,
+ PADDTOP_LONGTEXT, true );
+ add_integer( SOUT_CFG_PREFIX "paddleft", 0, NULL, PADDLEFT_TEXT,
+ PADDLEFT_LONGTEXT, true );
+ add_integer( SOUT_CFG_PREFIX "paddbottom", 0, NULL, PADDBOTTOM_TEXT,
+ PADDBOTTOM_LONGTEXT, true );
+ add_integer( SOUT_CFG_PREFIX "paddright", 0, NULL, PADDRIGHT_TEXT,
+ PADDRIGHT_LONGTEXT, true );
+
+ add_integer( SOUT_CFG_PREFIX "canvas-width", 0, NULL, CANVAS_WIDTH_TEXT,
+ CANVAS_WIDTH_LONGTEXT, true );
+ add_integer( SOUT_CFG_PREFIX "canvas-height", 0, NULL, CANVAS_HEIGHT_TEXT,
+ CANVAS_HEIGHT_LONGTEXT, true );
+ add_string( SOUT_CFG_PREFIX "canvas-aspect", NULL, NULL, CANVAS_ASPECT_TEXT,
+ CANVAS_ASPECT_LONGTEXT, false );
+
+ set_section( N_("Audio"), NULL );
+ add_string( SOUT_CFG_PREFIX "aenc", 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_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", 0, NULL, ASYNC_TEXT,
+ ASYNC_LONGTEXT, false );
+ add_module_list( SOUT_CFG_PREFIX "afilter", "audio filter2",
+ NULL, NULL,
+ AFILTER_TEXT, AFILTER_LONGTEXT, false );
+
+ set_section( N_("Overlays/Subtitles"), NULL );
+ add_string( SOUT_CFG_PREFIX "senc", 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", 0, 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", 0, 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", 0, NULL, HP_TEXT, HP_LONGTEXT,
+ true );
+
vlc_module_end();
+static const char *ppsz_sout_options[] = {
+ "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
+ "paddtop", "paddbottom", "paddleft", "paddright",
+ "canvas-width", "canvas-height", "canvas-aspect",
+ "scale", "fps", "width", "height", "vfilter", "deinterlace",
+ "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
+ "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 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 void video_del_buffer( vlc_object_t *, picture_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 picture_t *video_new_buffer_filter( filter_t * );
+static void video_del_buffer_filter( filter_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 int EncoderThread( struct sout_stream_sys_t * p_sys );
+
+static 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 TRANSCODE_FILTERS 10
+
struct sout_stream_sys_t
{
- sout_stream_t *p_out;
+ 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) */
- int i_sample_rate;
- int i_channels;
+ char *psz_aenc;
+ config_chain_t *p_audio_cfg;
+ uint32_t i_sample_rate;
+ uint32_t i_channels;
int i_abitrate;
-
- vlc_fourcc_t i_vcodec; /* " video " " " " */
+ char *psz_afilters[TRANSCODE_FILTERS];
+ config_chain_t *p_afilters_cfg[TRANSCODE_FILTERS];
+ int i_afilters;
+
+ /* Video */
+ vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
+ char *psz_venc;
+ config_chain_t *p_video_cfg;
int i_vbitrate;
- int i_vtolerance;
- int i_width;
- int i_height;
- int i_b_frames;
- int i_key_int;
- int i_qmin;
- int i_qmax;
- vlc_bool_t i_hq;
- vlc_bool_t b_deinterlace;
+ 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_vfilters[TRANSCODE_FILTERS];
+ config_chain_t *p_vfilters_cfg[TRANSCODE_FILTERS];
+ int i_vfilters;
int i_crop_top;
int i_crop_bottom;
int i_crop_right;
int i_crop_left;
- mtime_t i_input_pts;
- mtime_t i_output_pts;
- mtime_t i_last_ref_pts;
+ int i_padd_top;
+ int i_padd_bottom;
+ int i_padd_right;
+ int i_padd_left;
+
+ int i_canvas_width;
+ int i_canvas_height;
+ int i_canvas_aspect;
+
+ /* Video, calculated */
+ int i_src_x_offset;
+ int i_src_y_offset;
+ int i_crop_width;
+ int i_crop_height;
+
+ int i_dst_x_offset;
+ int i_dst_y_offset;
+ int i_nopadd_width;
+ int i_nopadd_height;
+
+ /* 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;
+};
- mtime_t i_buggy_pts_detect;
+struct decoder_owner_sys_t
+{
+ picture_t *pp_pics[PICTURE_RING_SIZE];
+ sout_stream_sys_t *p_sys;
+};
+struct filter_owner_sys_t
+{
+ picture_t *pp_pics[PICTURE_RING_SIZE];
+ sout_stream_sys_t *p_sys;
};
/*****************************************************************************
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys;
- char *codec;
-
- p_sys = malloc( sizeof( sout_stream_sys_t ) );
- p_sys->p_out = sout_stream_new( p_stream->p_sout, p_stream->psz_next );
-
- p_sys->i_acodec = 0;
- p_sys->i_sample_rate = 0;
- p_sys->i_channels = 0;
- p_sys->i_abitrate = 0;
-
- p_sys->i_vcodec = 0;
- p_sys->i_vbitrate = 0;
- p_sys->i_vtolerance = -1;
- p_sys->i_width = 0;
- p_sys->i_height = 0;
- p_sys->i_key_int = -1;
- p_sys->i_b_frames = 0;
- p_sys->i_qmin = 2;
- p_sys->i_qmax = 31;
-#if LIBAVCODEC_BUILD >= 4673
- p_sys->i_hq = FF_MB_DECISION_SIMPLE;
-#else
- p_sys->i_hq = VLC_FALSE;
-#endif
- p_sys->b_deinterlace= VLC_FALSE;
+ vlc_value_t val;
- p_sys->i_crop_top = 0;
- p_sys->i_crop_bottom= 0;
- p_sys->i_crop_right = 0;
- p_sys->i_crop_left = 0;
+ p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
- if( ( codec = sout_cfg_find_value( p_stream->p_cfg, "acodec" ) ) )
+ p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
+ if( !p_sys->p_out )
{
- char fcc[4] = " ";
- char *val;
+ 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 );
- memcpy( fcc, codec, strlen( codec ) );
+ /* 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 );
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "samplerate" ) ) )
- {
- p_sys->i_sample_rate = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "channels" ) ) )
+ 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_FOURCC('m','p','3',0) &&
+ p_sys->i_channels > 2 )
{
- p_sys->i_channels = atoi( val );
+ msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
+ p_sys->i_channels );
+ p_sys->i_channels = 2;
}
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "ab" ) ) )
+ 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 );
+ p_sys->i_afilters = 0;
+ if( val.psz_string && *val.psz_string )
+ {
+ char *psz_parser = val.psz_string;
+
+ while( (psz_parser != NULL) && (*psz_parser != '\0')
+ && (p_sys->i_afilters < TRANSCODE_FILTERS) )
{
- p_sys->i_abitrate = atoi( val );
- if( p_sys->i_abitrate < 4000 )
- {
- p_sys->i_abitrate *= 1000;
- }
+ psz_parser = config_ChainCreate(
+ &p_sys->psz_afilters[p_sys->i_afilters],
+ &p_sys->p_afilters_cfg[p_sys->i_afilters],
+ psz_parser );
+ p_sys->i_afilters++;
+ if( (psz_parser != NULL) && (*psz_parser != '\0') ) psz_parser++;
}
+ }
+ free( val.psz_string );
+ if( p_sys->i_afilters < TRANSCODE_FILTERS-1 )
+ {
+ p_sys->psz_afilters[p_sys->i_afilters] = NULL;
+ p_sys->p_afilters_cfg[p_sys->i_afilters] = NULL;
+ }
- msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s", fcc,
- p_sys->i_sample_rate, p_sys->i_channels,
- p_sys->i_abitrate / 1024 );
+ /* 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 );
- if( ( codec = sout_cfg_find_value( p_stream->p_cfg, "vcodec" ) ) )
+ var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
+ p_sys->i_vcodec = 0;
+ if( val.psz_string && *val.psz_string )
{
char fcc[4] = " ";
- char *val;
+ 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 );
- memcpy( fcc, codec, strlen( codec ) );
+ 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;
- p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
+ var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
+ p_sys->f_scale = val.f_float;
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "width" ) ) )
- {
- p_sys->i_width = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "height" ) ) )
- {
- p_sys->i_height = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "vb" ) ) )
- {
- p_sys->i_vbitrate = atoi( val );
- if( p_sys->i_vbitrate < 16000 )
- {
- p_sys->i_vbitrate *= 1000;
- }
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "vt" ) ) )
- {
- p_sys->i_vtolerance = atoi( val );
- }
- if( sout_cfg_find( p_stream->p_cfg, "deinterlace" ) )
- {
- p_sys->b_deinterlace = VLC_TRUE;
- }
- /* crop */
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "croptop" ) ) )
- {
- p_sys->i_crop_top = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "cropbottom" ) ) )
- {
- p_sys->i_crop_bottom = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "cropleft" ) ) )
- {
- p_sys->i_crop_left = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "cropright" ) ) )
- {
- p_sys->i_crop_right = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "keyint" ) ) )
- {
- p_sys->i_key_int = atoi( val );
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "bframes" ) ) )
- {
- p_sys->i_b_frames = atoi( val );
- }
-#if LIBAVCODEC_BUILD >= 4673
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "hq" ) ) )
+ 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 );
+ p_sys->i_vfilters = 0;
+ if( val.psz_string && *val.psz_string )
+ {
+ char *psz_parser = val.psz_string;
+
+ while( (psz_parser != NULL) && (*psz_parser != '\0')
+ && (p_sys->i_vfilters < TRANSCODE_FILTERS) )
{
- if( !strcmp( val, "rd" ) )
- {
- p_sys->i_hq = FF_MB_DECISION_RD;
- }
- else if( !strcmp( val, "bits" ) )
- {
- p_sys->i_hq = FF_MB_DECISION_BITS;
- }
- else if( !strcmp( val, "simple" ) )
- {
- p_sys->i_hq = FF_MB_DECISION_SIMPLE;
- }
- else
- {
- p_sys->i_hq = FF_MB_DECISION_RD;
- }
+ psz_parser = config_ChainCreate(
+ &p_sys->psz_vfilters[p_sys->i_vfilters],
+ &p_sys->p_vfilters_cfg[p_sys->i_vfilters],
+ psz_parser );
+ p_sys->i_vfilters++;
+ if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
}
-#else
- if( sout_cfg_find( p_stream->p_cfg, "hq" ) )
+ }
+ free( val.psz_string );
+ if( p_sys->i_vfilters < TRANSCODE_FILTERS-1 )
+ {
+ p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
+ p_sys->p_vfilters_cfg[p_sys->i_vfilters] = 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 "croptop", &val );
+ p_sys->i_crop_top = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val );
+ p_sys->i_crop_bottom = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
+ p_sys->i_crop_left = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
+ p_sys->i_crop_right = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "paddtop", &val );
+ p_sys->i_padd_top = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "paddbottom", &val );
+ p_sys->i_padd_bottom = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "paddleft", &val );
+ p_sys->i_padd_left = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "paddright", &val );
+ p_sys->i_padd_right = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "canvas-width", &val );
+ p_sys->i_canvas_width = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "canvas-height", &val );
+ p_sys->i_canvas_height = val.i_int;
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "canvas-aspect", &val );
+ p_sys->i_canvas_aspect = 0;
+ if( val.psz_string && *val.psz_string )
+ {
+ char *psz_parser = strchr( val.psz_string, ':' );
+ if( psz_parser )
{
- p_sys->i_hq = VLC_TRUE;
+ *psz_parser++ = '\0';
+ p_sys->i_canvas_aspect = atoi( val.psz_string ) *
+ VOUT_ASPECT_FACTOR / atoi( psz_parser );
}
-#endif
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "qmin" ) ) )
+ else msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string );
+
+ }
+ 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_FOURCC('Y','U','V','P' );
+
+ msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
+
+ if( !p_sys->p_spu )
{
- p_sys->i_qmin = atoi( val );
+ 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 );
}
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "qmax" ) ) )
+ else
{
- p_sys->i_qmax = atoi( val );
+ osd_val.psz_string = strdup("osdmenu");
+ var_Set( p_sys->p_spu, "sub-filter", osd_val );
+ free( osd_val.psz_string );
}
-
- msg_Dbg( p_stream, "codec video=%4.4s %dx%d %dkb/s",
- fcc,
- p_sys->i_width, p_sys->i_height,
- p_sys->i_vbitrate / 1024 );
}
- if( !p_sys->p_out )
- {
- msg_Err( p_stream, "cannot create chain" );
- free( p_sys );
- return VLC_EGENERIC;
- }
+ /* 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;
- avcodec_init();
- avcodec_register_all();
-
- /* ffmpeg needs some padding at the end of each buffer */
- p_stream->p_sout->i_padding += FF_INPUT_BUFFER_PADDING_SIZE;
-
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_stream_delete( p_sys->p_out );
- free( p_sys );
-}
+ sout_StreamDelete( p_sys->p_out );
-struct sout_stream_id_t
-{
- vlc_fourcc_t b_transcode;
- sout_format_t f_src; /* only if transcoding */
- sout_format_t f_dst; /* " " " */
- unsigned int i_inter_pixfmt; /* intermediary format when transcoding */
+ while( p_sys->i_afilters )
+ {
+ p_sys->i_afilters--;
+ free( p_sys->psz_afilters[p_sys->i_afilters] );
+ free( p_sys->p_afilters_cfg[p_sys->i_afilters] );
+ }
- /* id of the out stream */
- void *id;
+ while( p_sys->p_audio_cfg != NULL )
+ {
+ config_chain_t *p_next = p_sys->p_audio_cfg->p_next;
- /* Encoder */
- encoder_t *p_encoder;
+ free( p_sys->p_audio_cfg->psz_name );
+ free( p_sys->p_audio_cfg->psz_value );
+ free( p_sys->p_audio_cfg );
+
+ p_sys->p_audio_cfg = p_next;
+ }
+ free( p_sys->psz_aenc );
+
+ while( p_sys->i_vfilters )
+ {
+ p_sys->i_vfilters--;
+ free( p_sys->psz_vfilters[p_sys->i_vfilters] );
+ free( p_sys->p_vfilters_cfg[p_sys->i_vfilters] );
+ }
+
+ while( p_sys->p_video_cfg != NULL )
+ {
+ config_chain_t *p_next = p_sys->p_video_cfg->p_next;
- /* ffmpeg part */
- AVCodec *ff_dec;
- AVCodecContext *ff_dec_c;
+ free( p_sys->p_video_cfg->psz_name );
+ free( p_sys->p_video_cfg->psz_value );
+ free( p_sys->p_video_cfg );
+ p_sys->p_video_cfg = p_next;
+ }
+ free( p_sys->psz_venc );
- vlc_fourcc_t b_enc_inited;
- AVCodec *ff_enc;
- AVCodecContext *ff_enc_c;
+ while( p_sys->p_deinterlace_cfg != NULL )
+ {
+ config_chain_t *p_next = p_sys->p_deinterlace_cfg->p_next;
- mtime_t i_dts;
- mtime_t i_length;
+ free( p_sys->p_deinterlace_cfg->psz_name );
+ free( p_sys->p_deinterlace_cfg->psz_value );
+ free( p_sys->p_deinterlace_cfg );
- int i_buffer_in;
- int i_buffer_in_pos;
- uint8_t *p_buffer_in;
+ p_sys->p_deinterlace_cfg = p_next;
+ }
+ free( p_sys->psz_deinterlace );
- int i_buffer;
- int i_buffer_pos;
- uint8_t *p_buffer;
+ while( p_sys->p_spu_cfg != NULL )
+ {
+ config_chain_t *p_next = p_sys->p_spu_cfg->p_next;
- int i_buffer_out;
- int i_buffer_out_pos;
- uint8_t *p_buffer_out;
+ free( p_sys->p_spu_cfg->psz_name );
+ free( p_sys->p_spu_cfg->psz_value );
+ free( p_sys->p_spu_cfg );
- AVFrame *p_ff_pic;
- AVFrame *p_ff_pic_tmp0; /* to do deinterlace */
- AVFrame *p_ff_pic_tmp1; /* to do pix conversion */
- AVFrame *p_ff_pic_tmp2; /* to do resample */
+ p_sys->p_spu_cfg = p_next;
+ }
+ free( p_sys->psz_senc );
- ImgReSampleContext *p_vresample;
+ if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
-#ifdef HAVE_VORBIS_VORBISENC_H
+ while( p_sys->p_osd_cfg != NULL )
+ {
+ config_chain_t *p_next = p_sys->p_osd_cfg->p_next;
- /* Vorbis part */
- vorbis_info *p_vi;
- vorbis_dsp_state *p_vd;
- vorbis_block *p_vb;
- vorbis_comment *p_vc;
- int i_last_block_size;
- int i_samples_delay;
- vlc_bool_t b_headers_sent;
-#endif
-};
+ free( p_sys->p_osd_cfg->psz_name );
+ free( p_sys->p_osd_cfg->psz_value );
+ free( p_sys->p_osd_cfg );
+ p_sys->p_osd_cfg = p_next;
+ }
+ free( p_sys->psz_osdenc );
+
+ vlc_object_release( p_sys );
+}
-static sout_stream_id_t * Add( sout_stream_t *p_stream, sout_format_t *p_fmt )
+struct sout_stream_id_t
{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- sout_stream_id_t *id;
+ vlc_fourcc_t b_transcode;
+
+ /* id of the out stream */
+ void *id;
+
+ /* Decoder */
+ decoder_t *p_decoder;
+
+ /* Filters */
+ filter_t *pp_filter[TRANSCODE_FILTERS];
+ int i_filter;
+ /* User specified filters */
+ filter_t *pp_ufilter[TRANSCODE_FILTERS];
+ int i_ufilter;
+
+ /* 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 = malloc( sizeof( sout_stream_id_t ) );
- id->i_dts = 0;
+ if( !id )
+ {
+ msg_Err( p_stream, "out of memory" );
+ goto error;
+ }
+ memset( id, 0, sizeof(sout_stream_id_t) );
+
id->id = NULL;
+ id->p_decoder = NULL;
id->p_encoder = NULL;
- if( p_fmt->i_cat == AUDIO_ES && p_sys->i_acodec != 0 )
+ /* Create decoder object */
+ id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
+ if( !id->p_decoder )
+ {
+ msg_Err( p_stream, "out of memory" );
+ 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 = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
+ if( !id->p_encoder )
+ {
+ msg_Err( p_stream, "out of memory" );
+ 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_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_fourcc,
- (char*)&p_sys->i_acodec );
-
- /* src format */
- memcpy( &id->f_src, p_fmt, sizeof( sout_format_t ) );
-
- /* create dst format */
- id->f_dst.i_cat = AUDIO_ES;
- id->f_dst.i_fourcc = p_sys->i_acodec;
- id->f_dst.i_sample_rate = p_sys->i_sample_rate > 0 ? p_sys->i_sample_rate : id->f_src.i_sample_rate;
- id->f_dst.i_channels = p_sys->i_channels > 0 ? p_sys->i_channels : id->f_src.i_channels;
- id->f_dst.i_bitrate = p_sys->i_abitrate > 0 ? p_sys->i_abitrate : 64000;
- id->f_dst.i_block_align = 0;
- id->f_dst.i_extra_data = 0;
- id->f_dst.p_extra_data = NULL;
+ (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 */
- if( transcode_audio_ffmpeg_new( p_stream, id ) )
+ /* Build decoder -> filter -> encoder chain */
+ if( transcode_audio_new( p_stream, id ) )
{
msg_Err( p_stream, "cannot create audio chain" );
- free( id );
- return NULL;
+ goto error;
}
- /* open output stream */
- id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->f_dst );
- id->b_transcode = VLC_TRUE;
+ /* Open output stream */
+ id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
+ id->b_transcode = true;
- if( id->id == NULL )
+ if( !id->id )
{
- free( id );
- return NULL;
+ 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 )
+ 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_fourcc,
- (char*)&p_sys->i_vcodec );
+ (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
- memcpy( &id->f_src, p_fmt, sizeof( sout_format_t ) );
+ /* 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;
- /* create dst format */
- id->f_dst.i_cat = VIDEO_ES;
- id->f_dst.i_fourcc = p_sys->i_vcodec;
- id->f_dst.i_width = p_sys->i_width ; /* > 0 ? p_sys->i_width : id->f_src.i_width; */
- id->f_dst.i_height = p_sys->i_height; /* > 0 ? p_sys->i_height: id->f_src.i_height; */
- id->f_dst.i_bitrate = p_sys->i_vbitrate > 0 ? p_sys->i_vbitrate : 800*1000;
- id->f_dst.i_extra_data = 0;
- id->f_dst.p_extra_data = NULL;
-
- /* build decoder -> filter -> encoder */
- if( transcode_video_ffmpeg_new( p_stream, id ) )
+ /* Build decoder -> filter -> encoder chain */
+ if( transcode_video_new( p_stream, id ) )
{
msg_Err( p_stream, "cannot create video chain" );
- free( id );
- return NULL;
+ goto error;
}
-#if 0
- /* open output stream */
- id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->f_dst );
-#endif
- id->b_transcode = VLC_TRUE;
- }
- else
- {
- msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')", (char*)&p_fmt->i_fourcc );
- id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
- id->b_transcode = VLC_FALSE;
- if( id->id == NULL )
+ /* 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 )
{
- free( id );
- return NULL;
+ id->p_encoder->fmt_out.video.i_frame_rate =
+ (p_sys->f_fps * 1001) + 0.5;
+ id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
}
}
+ 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 );
- return id;
-}
-
-static int Del ( sout_stream_t *p_stream, sout_stream_id_t *id )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
+ /* Complete destination format */
+ id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
- if( id->b_transcode )
- {
- if( id->f_src.i_cat == AUDIO_ES )
+ /* build decoder -> filter -> encoder */
+ if( transcode_spu_new( p_stream, id ) )
{
- transcode_audio_ffmpeg_close( p_stream, id );
+ msg_Err( p_stream, "cannot create subtitles chain" );
+ goto error;
}
- else if( id->f_src.i_cat == VIDEO_ES )
+
+ /* open output stream */
+ id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
+ id->b_transcode = true;
+
+ if( !id->id )
{
- transcode_video_ffmpeg_close( p_stream, 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 );
- if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
- free( id );
-
- return VLC_SUCCESS;
-}
-
-static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
- sout_buffer_t *p_buffer )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
+ id->b_transcode = true;
- if( id->b_transcode )
- {
- sout_buffer_t *p_buffer_out;
- if( id->f_src.i_cat == AUDIO_ES )
+ /* Build decoder -> filter -> overlaying chain */
+ if( transcode_spu_new( p_stream, id ) )
{
- transcode_audio_ffmpeg_process( p_stream, id, p_buffer, &p_buffer_out );
+ msg_Err( p_stream, "cannot create subtitles chain" );
+ goto error;
}
- else if( id->f_src.i_cat == VIDEO_ES )
+ }
+ 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 ) )
{
- transcode_video_ffmpeg_process( p_stream, id, p_buffer, &p_buffer_out );
+ msg_Err( p_stream, "cannot create osd chain" );
+ goto error;
}
- sout_BufferDelete( p_stream->p_sout, p_buffer );
-
- if( p_buffer_out )
- {
- return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer_out );
- }
- return VLC_SUCCESS;
- }
- else if( id->id != NULL )
- {
- return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
+ p_sys->b_osd = true;
}
else
{
- sout_BufferDelete( p_stream->p_sout, p_buffer );
- return VLC_EGENERIC;
+ msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
+ (char*)&p_fmt->i_codec );
+ id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
+ id->b_transcode = false;
+
+ if( !id->id ) goto error;
}
-}
-/****************************************************************************
- * ffmpeg decoder reencocdr part
- ****************************************************************************/
+ return id;
-static struct
-{
- vlc_fourcc_t i_fcc;
- int i_ff_codec;
-} fourcc_to_ff_code[] =
-{
- /* audio */
- { VLC_FOURCC( 'm', 'p', 'g', 'a' ), CODEC_ID_MP2 },
- { VLC_FOURCC( 'm', 'p', '3', ' ' ), CODEC_ID_MP3LAME },
- { VLC_FOURCC( 'm', 'p', '4', 'a' ), CODEC_ID_AAC },
- { VLC_FOURCC( 'a', '5', '2', ' ' ), CODEC_ID_AC3 },
- { VLC_FOURCC( 'a', 'c', '3', ' ' ), CODEC_ID_AC3 },
- { VLC_FOURCC( 'w', 'm', 'a', '1' ), CODEC_ID_WMAV1 },
- { VLC_FOURCC( 'w', 'm', 'a', '2' ), CODEC_ID_WMAV2 },
- { VLC_FOURCC( 'v', 'o', 'r', 'b' ), CODEC_ID_VORBIS },
- { VLC_FOURCC( 'a', 'l', 'a', 'w' ), CODEC_ID_PCM_ALAW },
-
- /* video */
- { VLC_FOURCC( 'm', 'p', 'g', 'v' ), CODEC_ID_MPEG1VIDEO },
- { VLC_FOURCC( 'm', 'p', '1', 'v' ), CODEC_ID_MPEG1VIDEO },
-#if LIBAVCODEC_BUILD >= 4676
- { VLC_FOURCC( 'm', 'p', '2', 'v' ), CODEC_ID_MPEG2VIDEO },
-#endif
- { VLC_FOURCC( 'm', 'p', '4', 'v'), CODEC_ID_MPEG4 },
- { VLC_FOURCC( 'D', 'I', 'V', '1' ), CODEC_ID_MSMPEG4V1 },
- { VLC_FOURCC( 'D', 'I', 'V', '2' ), CODEC_ID_MSMPEG4V2 },
- { VLC_FOURCC( 'D', 'I', 'V', '3' ), CODEC_ID_MSMPEG4V3 },
- { VLC_FOURCC( 'H', '2', '6', '3' ), CODEC_ID_H263 },
- { VLC_FOURCC( 'I', '2', '6', '3' ), CODEC_ID_H263I },
- { VLC_FOURCC( 'h', 'u', 'f', 'f' ), CODEC_ID_HUFFYUV },
- { VLC_FOURCC( 'W', 'M', 'V', '1' ), CODEC_ID_WMV1 },
- { VLC_FOURCC( 'W', 'M', 'V', '2' ), CODEC_ID_WMV2 },
- { VLC_FOURCC( 'M', 'J', 'P', 'G' ), CODEC_ID_MJPEG },
- { VLC_FOURCC( 'm', 'j', 'p', 'b' ), CODEC_ID_MJPEGB },
- { VLC_FOURCC( 'd', 'v', 's', 'l' ), CODEC_ID_DVVIDEO },
- { VLC_FOURCC( 'S', 'V', 'Q', '1' ), CODEC_ID_SVQ1 },
-#if LIBAVCODEC_BUILD >= 4666
- { VLC_FOURCC( 'S', 'V', 'Q', '3' ), CODEC_ID_SVQ3 },
-#endif
+ error:
+ if( id->p_decoder )
+ {
+ vlc_object_detach( id->p_decoder );
+ vlc_object_release( id->p_decoder );
+ id->p_decoder = NULL;
+ }
- /* raw video code, only used for 'encoding' */
- { VLC_FOURCC( 'I', '4', '2', '0' ), CODEC_ID_RAWVIDEO },
- { VLC_FOURCC( 'I', '4', '2', '2' ), CODEC_ID_RAWVIDEO },
- { VLC_FOURCC( 'I', '4', '4', '4' ), CODEC_ID_RAWVIDEO },
- { VLC_FOURCC( 'R', 'V', '1', '5' ), CODEC_ID_RAWVIDEO },
- { VLC_FOURCC( 'R', 'V', '1', '6' ), CODEC_ID_RAWVIDEO },
- { VLC_FOURCC( 'R', 'V', '2', '4' ), CODEC_ID_RAWVIDEO },
- { VLC_FOURCC( 'R', 'V', '3', '2' ), CODEC_ID_RAWVIDEO },
- { VLC_FOURCC( 'Y', 'U', 'Y', '2' ), CODEC_ID_RAWVIDEO },
-
- { VLC_FOURCC( 0, 0, 0, 0 ), 0 }
-};
+ 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 inline int get_ff_codec( vlc_fourcc_t i_fcc )
+static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
{
- int i;
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
- for( i = 0; fourcc_to_ff_code[i].i_fcc != 0; i++ )
+ if( id->b_transcode )
{
- if( fourcc_to_ff_code[i].i_fcc == i_fcc )
+ switch( id->p_decoder->fmt_in.i_cat )
{
- return fourcc_to_ff_code[i].i_ff_codec;
+ 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;
}
}
- return 0;
-}
+ if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
-static inline int get_ff_chroma( vlc_fourcc_t i_chroma )
-{
- switch( i_chroma )
- {
- case VLC_FOURCC( 'I', '4', '2', '0' ):
- return PIX_FMT_YUV420P;
- case VLC_FOURCC( 'I', '4', '2', '2' ):
- return PIX_FMT_YUV422P;
- case VLC_FOURCC( 'I', '4', '4', '4' ):
- return PIX_FMT_YUV444P;
- case VLC_FOURCC( 'R', 'V', '1', '5' ):
- return PIX_FMT_RGB555;
- case VLC_FOURCC( 'R', 'V', '1', '6' ):
- return PIX_FMT_RGB565;
- case VLC_FOURCC( 'R', 'V', '2', '4' ):
- return PIX_FMT_RGB24;
- case VLC_FOURCC( 'R', 'V', '3', '2' ):
- return PIX_FMT_RGBA32;
- case VLC_FOURCC( 'G', 'R', 'E', 'Y' ):
- return PIX_FMT_GRAY8;
- case VLC_FOURCC( 'Y', 'U', 'Y', '2' ):
- return PIX_FMT_YUV422;
- default:
- return 0;
+ 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 transcode_audio_ffmpeg_new( sout_stream_t *p_stream,
- sout_stream_id_t *id )
+static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *p_buffer )
{
- int i_ff_codec;
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ block_t *p_out = NULL;
- if( id->f_src.i_fourcc == VLC_FOURCC('s','1','6','l') ||
- id->f_src.i_fourcc == VLC_FOURCC('s','1','6','b') ||
- id->f_src.i_fourcc == VLC_FOURCC('s','8',' ',' ') ||
- id->f_src.i_fourcc == VLC_FOURCC('u','8',' ',' ') )
+ if( !id->b_transcode && id->id )
{
- id->ff_dec = NULL;
-
- id->ff_dec_c = avcodec_alloc_context();
- id->ff_dec_c->sample_rate = id->f_src.i_sample_rate;
- id->ff_dec_c->channels = id->f_src.i_channels;
- id->ff_dec_c->block_align = id->f_src.i_block_align;
- id->ff_dec_c->bit_rate = id->f_src.i_bitrate;
+ return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
}
- else
+ else if( !id->b_transcode )
+ {
+ block_Release( p_buffer );
+ return VLC_EGENERIC;
+ }
+
+ switch( id->p_decoder->fmt_in.i_cat )
{
- /* find decoder */
- i_ff_codec = get_ff_codec( id->f_src.i_fourcc );
- if( i_ff_codec == 0 )
+ 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 )
{
- msg_Err( p_stream, "cannot find decoder id" );
return VLC_EGENERIC;
}
+ break;
- id->ff_dec = avcodec_find_decoder( i_ff_codec );
- if( !id->ff_dec )
+ case SPU_ES:
+ /* Transcode OSD menu pictures. */
+ if( p_sys->b_osd )
{
- msg_Err( p_stream, "cannot find decoder (avcodec)" );
- return VLC_EGENERIC;
+ if( transcode_osd_process( p_stream, id, p_buffer, &p_out ) !=
+ VLC_SUCCESS )
+ {
+ return VLC_EGENERIC;
+ }
}
-
- id->ff_dec_c = avcodec_alloc_context();
- id->ff_dec_c->sample_rate = id->f_src.i_sample_rate;
- id->ff_dec_c->channels = id->f_src.i_channels;
- id->ff_dec_c->block_align = id->f_src.i_block_align;
- id->ff_dec_c->bit_rate = id->f_src.i_bitrate;
-
- id->ff_dec_c->extradata_size = id->f_src.i_extra_data;
- id->ff_dec_c->extradata = id->f_src.p_extra_data;
- if( avcodec_open( id->ff_dec_c, id->ff_dec ) )
+ else if ( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
+ VLC_SUCCESS )
{
- msg_Err( p_stream, "cannot open decoder" );
return VLC_EGENERIC;
}
- }
-
- /* find encoder */
- id->i_buffer_in = 2 * AVCODEC_MAX_AUDIO_FRAME_SIZE;
- id->i_buffer_in_pos = 0;
- id->p_buffer_in = malloc( id->i_buffer_in );
+ break;
- id->i_buffer = 2 * AVCODEC_MAX_AUDIO_FRAME_SIZE;
- id->i_buffer_pos = 0;
- id->p_buffer = malloc( id->i_buffer );
-
- id->i_buffer_out = 2 * AVCODEC_MAX_AUDIO_FRAME_SIZE;
- id->i_buffer_out_pos = 0;
- id->p_buffer_out = malloc( id->i_buffer_out );
+ default:
+ p_out = NULL;
+ block_Release( p_buffer );
+ break;
+ }
- /* Sanity check for audio channels */
- id->f_dst.i_channels = __MIN( id->f_dst.i_channels, id->f_src.i_channels );
+ if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
+ return VLC_SUCCESS;
+}
-#ifdef HAVE_VORBIS_VORBISENC_H
- if( id->f_dst.i_fourcc == VLC_FOURCC('v','o','r','b') )
+/****************************************************************************
+ * decoder reencoder part
+ ****************************************************************************/
+static int audio_BitsPerSample( vlc_fourcc_t i_format )
+{
+ switch( i_format )
{
- id->p_vi = (vorbis_info *)malloc( sizeof(vorbis_info) );
- id->p_vd = (vorbis_dsp_state *)malloc( sizeof(vorbis_dsp_state) );
- id->p_vb = (vorbis_block *)malloc( sizeof(vorbis_block) );
- id->p_vc = (vorbis_comment *)malloc( sizeof(vorbis_comment) );
+ case VLC_FOURCC('u','8',' ',' '):
+ case VLC_FOURCC('s','8',' ',' '):
+ return 8;
+
+ case VLC_FOURCC('u','1','6','l'):
+ case VLC_FOURCC('s','1','6','l'):
+ case VLC_FOURCC('u','1','6','b'):
+ case VLC_FOURCC('s','1','6','b'):
+ return 16;
+
+ case VLC_FOURCC('u','2','4','l'):
+ case VLC_FOURCC('s','2','4','l'):
+ case VLC_FOURCC('u','2','4','b'):
+ case VLC_FOURCC('s','2','4','b'):
+ return 24;
+
+ case VLC_FOURCC('u','3','2','l'):
+ case VLC_FOURCC('s','3','2','l'):
+ case VLC_FOURCC('u','3','2','b'):
+ case VLC_FOURCC('s','3','2','b'):
+ case VLC_FOURCC('f','l','3','2'):
+ case VLC_FOURCC('f','i','3','2'):
+ return 32;
+
+ case VLC_FOURCC('f','l','6','4'):
+ return 64;
+ }
- vorbis_info_init( id->p_vi );
+ return 0;
+}
- if( vorbis_encode_setup_managed( id->p_vi, id->f_dst.i_channels,
- id->f_dst.i_sample_rate, -1, id->f_dst.i_bitrate, -1 ) ||
- vorbis_encode_ctl( id->p_vi, OV_ECTL_RATEMANAGE_AVG, NULL ) ||
- vorbis_encode_setup_init( id->p_vi ) ){}
+static block_t *transcode_audio_alloc (filter_t *filter, int size)
+{
+ return block_New (filter, size);
+}
- /* add a comment */
- vorbis_comment_init( id->p_vc);
- vorbis_comment_add_tag( id->p_vc, "ENCODER", "VLC media player");
+static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
+ sout_stream_id_t *id,
+ es_format_t *p_fmt_in,
+ es_format_t *p_fmt_out,
+ char *psz_name )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
- /* set up the analysis state and auxiliary encoding storage */
- vorbis_analysis_init( id->p_vd, id->p_vi );
- vorbis_block_init( id->p_vd, id->p_vb );
+ vlc_object_attach( p_filter, p_stream );
+ p_filter->pf_audio_buffer_new = transcode_audio_alloc;
- id->b_headers_sent = VLC_FALSE;
- id->i_last_block_size = 0;
- id->i_samples_delay = 0;
+ p_filter->fmt_in = *p_fmt_in;
+ p_filter->fmt_out = *p_fmt_out;
+ if( psz_name )
+ p_filter->p_cfg = p_sys->p_afilters_cfg[id->i_ufilter];
- return VLC_SUCCESS;
+ p_filter->p_module = module_Need( p_filter, "audio filter2", psz_name,
+ true );
+ if( p_filter->p_module )
+ {
+ p_filter->fmt_out.audio.i_bitspersample =
+ audio_BitsPerSample( p_filter->fmt_out.i_codec );
+ *p_fmt_in = p_filter->fmt_out;
}
-#endif
+ else
+ {
+ vlc_object_detach( p_filter );
+ vlc_object_release( p_filter );
+ p_filter = 0;
+ }
+
+ return p_filter;
+}
+
+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;
+ int i;
- i_ff_codec = get_ff_codec( id->f_dst.i_fourcc );
- if( i_ff_codec == 0 )
+ /*
+ * 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", 0 );
+ if( !id->p_decoder->p_module )
{
- msg_Err( p_stream, "cannot find encoder id" );
+ msg_Err( p_stream, "cannot find decoder" );
return VLC_EGENERIC;
}
-
- id->ff_enc = avcodec_find_encoder( i_ff_codec );
- if( !id->ff_enc )
+ id->p_decoder->fmt_out.audio.i_bitspersample =
+ audio_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_FOURCC('m','p','4','a') &&
+ 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;
+
+ if( ( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('s','a','m','r') ) ||
+ ( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('s','a','w','b') ) )
+ id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
+ else
+ id->p_encoder->fmt_in.audio.i_rate = fmt_last.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 =
+ audio_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 encoder (avcodec)" );
+ msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_aenc );
+ 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 =
+ audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
- /* Hack for mp3 transcoding support */
- if( id->f_dst.i_fourcc == VLC_FOURCC( 'm','p','3',' ' ) )
+ /* Load conversion filters */
+ if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
+ fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
{
- id->f_dst.i_fourcc = VLC_FOURCC( 'm','p','g','a' );
- }
+ /* We'll have to go through fl32 first */
+ es_format_t fmt_out = id->p_encoder->fmt_in;
+ fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
- id->ff_enc_c = avcodec_alloc_context();
- id->ff_enc_c->bit_rate = id->f_dst.i_bitrate;
- id->ff_enc_c->sample_rate = id->f_dst.i_sample_rate;
- id->ff_enc_c->channels = id->f_dst.i_channels;
+ id->pp_filter[id->i_filter] =
+ transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out, NULL );
- /* Make sure we get extradata filled by the encoder */
- id->ff_enc_c->extradata_size = 0;
- id->ff_enc_c->extradata = NULL;
- id->ff_enc_c->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ if( id->pp_filter[id->i_filter] ) id->i_filter++;
+ }
- if( avcodec_open( id->ff_enc_c, id->ff_enc ) )
+ for( i = 0; i < TRANSCODE_FILTERS; i++ )
{
- if( id->ff_enc_c->channels > 2 )
- {
- id->ff_enc_c->channels = 2;
- id->f_dst.i_channels = 2;
- if( avcodec_open( id->ff_enc_c, id->ff_enc ) )
- {
- msg_Err( p_stream, "cannot open encoder" );
- return VLC_EGENERIC;
- }
- msg_Warn( p_stream, "stereo mode selected (codec limitation)" );
- }
- else
+ if( (fmt_last.audio.i_channels !=
+ id->p_encoder->fmt_in.audio.i_channels) ||
+ (fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate) ||
+ (fmt_last.i_codec != id->p_encoder->fmt_in.i_codec) )
{
- msg_Err( p_stream, "cannot open encoder" );
- return VLC_EGENERIC;
+ id->pp_filter[id->i_filter] =
+ transcode_audio_filter_new( p_stream, id, &fmt_last,
+ &id->p_encoder->fmt_in, NULL );
+
+ if( id->pp_filter[id->i_filter] )
+ id->i_filter++;
+ else
+ break;
}
}
- id->f_dst.i_extra_data = id->ff_enc_c->extradata_size;
- id->f_dst.p_extra_data = id->ff_enc_c->extradata;
- id->ff_enc_c->flags &= ~CODEC_FLAG_GLOBAL_HEADER;
-
- return VLC_SUCCESS;
-}
+ /* Final checks to see if conversions were successful */
+ if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
+ {
+ msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)",
+ (char *)&fmt_last.i_codec,
+ (char *)&id->p_encoder->fmt_in.i_codec );
+ transcode_audio_close( id );
+ return VLC_EGENERIC;
+ }
-static void transcode_audio_ffmpeg_close( sout_stream_t *p_stream,
- sout_stream_id_t *id )
-{
- if( id->ff_dec )
+ /* Load user specified audio filters now */
+ for( i = 0; (i < p_sys->i_afilters) &&
+ (id->i_ufilter < TRANSCODE_FILTERS); i++ )
{
- avcodec_close( id->ff_dec_c );
+ id->pp_ufilter[id->i_ufilter] =
+ transcode_audio_filter_new( p_stream, id, &fmt_last,
+ &id->p_encoder->fmt_in,
+ p_sys->psz_afilters[i] );
+
+ if( id->pp_ufilter[id->i_ufilter] )
+ id->i_ufilter++;
+ else
+ break;
}
-#ifdef HAVE_VORBIS_VORBISENC_H
- if( id->f_dst.i_fourcc == VLC_FOURCC('v','o','r','b') )
+ if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
{
- vorbis_block_clear( id->p_vb );
- vorbis_dsp_clear( id->p_vd );
- vorbis_comment_clear( id->p_vc );
- vorbis_info_clear( id->p_vi ); /* must be called last */
+#if 1
+ module_Unneed( id->p_encoder, id->p_encoder->p_module );
+ id->p_encoder->p_module = NULL;
+
+ /* This might work, but only if the encoder is restarted */
+ id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels;
+ id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels;
+
+ id->p_encoder->fmt_in.audio.i_physical_channels =
+ id->p_encoder->fmt_in.audio.i_original_channels =
+ fmt_last.audio.i_physical_channels;
+ id->p_encoder->fmt_out.audio.i_physical_channels =
+ id->p_encoder->fmt_out.audio.i_original_channels =
+ fmt_last.audio.i_physical_channels;
+
+ msg_Dbg( p_stream, "number of audio channels for mixing changed, "
+ "trying to reopen the encoder for mixing %i to %i channels",
+ fmt_last.audio.i_channels,
+ id->p_encoder->fmt_in.audio.i_channels );
+
+ /* reload encoder */
+ 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 encoder (%s)", p_sys->psz_aenc );
+ transcode_audio_close( id );
+ 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 =
+ audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
+#else
+ msg_Err( p_stream, "no audio filter found for mixing from"
+ " %i to %i channels", fmt_last.audio.i_channels,
+ id->p_encoder->fmt_in.audio.i_channels );
- free( id->p_vi );
- free( id->p_vd );
- free( id->p_vb );
- free( id->p_vc );
+ transcode_audio_close( id );
+ return VLC_EGENERIC;
+#endif
}
- else
+
+ if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
+ {
+ msg_Err( p_stream, "no audio filter found for resampling from"
+ " %iHz to %iHz", fmt_last.audio.i_rate,
+ id->p_encoder->fmt_in.audio.i_rate );
+#if 0
+ /* FIXME : this might work, but only if the encoder is restarted */
+ id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
+ id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
+#else
+ transcode_audio_close( id );
+ return VLC_EGENERIC;
#endif
- avcodec_close( id->ff_enc_c );
+ }
- free( id->ff_dec_c );
- if( id->f_dst.i_fourcc != VLC_FOURCC('v','o','r','b') )
- free( id->ff_enc_c );
+ /* FIXME: Hack for mp3 transcoding support */
+ if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
+ id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
- free( id->p_buffer_in );
- free( id->p_buffer );
- free( id->p_buffer_out );
+ return VLC_SUCCESS;
}
-static int transcode_audio_ffmpeg_process( sout_stream_t *p_stream,
- sout_stream_id_t *id,
- sout_buffer_t *in,
- sout_buffer_t **out )
+static void transcode_audio_close( sout_stream_id_t *id )
{
- vlc_bool_t b_again = VLC_FALSE;
+ int i;
- *out = NULL;
+ /* Close decoder */
+ if( id->p_decoder->p_module )
+ module_Unneed( id->p_decoder, id->p_decoder->p_module );
+ id->p_decoder->p_module = NULL;
- /* gather data into p_buffer_in */
-#ifdef HAVE_VORBIS_VORBISENC_H
- if( id->f_dst.i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
- id->i_dts = in->i_dts -
- (mtime_t)1000000 * (mtime_t)id->i_samples_delay /
- (mtime_t)id->f_dst.i_sample_rate;
- else
-#endif
- id->i_dts = in->i_dts -
- (mtime_t)1000000 *
- (mtime_t)(id->i_buffer_pos / 2 / id->ff_dec_c->channels )/
- (mtime_t)id->ff_dec_c->sample_rate;
+ /* Close encoder */
+ if( id->p_encoder->p_module )
+ module_Unneed( id->p_encoder, id->p_encoder->p_module );
+ id->p_encoder->p_module = NULL;
- if( id->i_buffer_in_pos + (int)in->i_size > id->i_buffer_in )
+ /* Close filters */
+ for( i = 0; i < id->i_filter; i++ )
{
- /* extend buffer_in */
- id->i_buffer_in = id->i_buffer_in_pos + in->i_size + 1024;
- id->p_buffer_in = realloc( id->p_buffer_in, id->i_buffer_in );
+ vlc_object_detach( id->pp_filter[i] );
+ if( id->pp_filter[i]->p_module )
+ module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
+ vlc_object_release( id->pp_filter[i] );
}
- memcpy( &id->p_buffer_in[id->i_buffer_in_pos],
- in->p_buffer, in->i_size );
- id->i_buffer_in_pos += in->i_size;
+ id->i_filter = 0;
- do
+ for( i = 0; i < id->i_ufilter; i++ )
{
- int i_buffer_pos;
-
- /* decode as much data as possible */
- if( id->ff_dec )
- {
- for( ;; )
- {
- int i_buffer_size;
- int i_used;
-
- i_buffer_size = id->i_buffer - id->i_buffer_pos;
-
- i_used = avcodec_decode_audio( id->ff_dec_c,
- (int16_t*)&id->p_buffer[id->i_buffer_pos],
- &i_buffer_size, id->p_buffer_in,
- id->i_buffer_in_pos );
-
- /* msg_Warn( p_stream, "avcodec_decode_audio: %d used",
- i_used ); */
- id->i_buffer_pos += i_buffer_size;
+ vlc_object_detach( id->pp_ufilter[i] );
+ if( id->pp_ufilter[i]->p_module )
+ module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
+ vlc_object_release( id->pp_ufilter[i] );
+ }
+ id->i_ufilter = 0;
+}
- if( i_used < 0 )
- {
- msg_Warn( p_stream, "error");
- id->i_buffer_in_pos = 0;
- break;
- }
- else if( i_used < id->i_buffer_in_pos )
- {
- memmove( id->p_buffer_in,
- &id->p_buffer_in[i_used],
- id->i_buffer_in - i_used );
- id->i_buffer_in_pos -= i_used;
- }
- else
- {
- id->i_buffer_in_pos = 0;
- break;
- }
+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;
+ aout_buffer_t *p_audio_buf;
+ block_t *p_block, *p_audio_block;
+ int i;
+ *out = NULL;
- if( id->i_buffer_pos >= AVCODEC_MAX_AUDIO_FRAME_SIZE )
- {
- /* buffer full */
- b_again = VLC_TRUE;
- break;
- }
- }
- }
- else
+ 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 )
{
- int16_t *sout = (int16_t*)&id->p_buffer[id->i_buffer_pos];
- int i_used = 0;
-
- if( id->f_src.i_fourcc == VLC_FOURCC( 's', '8', ' ', ' ' ) )
- {
- int8_t *sin = (int8_t*)id->p_buffer_in;
- int i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
- / 2, id->i_buffer_in_pos );
- i_used = i_samples;
- while( i_samples > 0 )
- {
- *sout++ = ( *sin++ ) << 8;
- i_samples--;
- }
- }
- else if( id->f_src.i_fourcc == VLC_FOURCC( 'u', '8', ' ', ' ' ) )
- {
- int8_t *sin = (int8_t*)id->p_buffer_in;
- int i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
- / 2, id->i_buffer_in_pos );
- i_used = i_samples;
- while( i_samples > 0 )
- {
- *sout++ = ( *sin++ - 128 ) << 8;
- i_samples--;
- }
- }
- else if( id->f_src.i_fourcc == VLC_FOURCC( 's', '1', '6', 'l' ) )
- {
- int i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
- / 2, id->i_buffer_in_pos / 2);
-#ifdef WORDS_BIGENDIAN
- uint8_t *sin = (uint8_t*)id->p_buffer_in;
- i_used = i_samples * 2;
- while( i_samples > 0 )
- {
- uint8_t tmp[2];
-
- tmp[1] = *sin++;
- tmp[0] = *sin++;
- *sout++ = *(int16_t*)tmp;
- i_samples--;
- }
-
-#else
- memcpy( sout, id->p_buffer_in, i_samples * 2 );
- sout += i_samples;
- i_used = i_samples * 2;
-#endif
- }
- else if( id->f_src.i_fourcc == VLC_FOURCC( 's', '1', '6', 'b' ) )
- {
- int i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
- / 2, id->i_buffer_in_pos / 2);
-#ifdef WORDS_BIGENDIAN
- memcpy( sout, id->p_buffer_in, i_samples * 2 );
- sout += i_samples;
- i_used = i_samples * 2;
-#else
- uint8_t *sin = (uint8_t*)id->p_buffer_in;
- i_used = i_samples * 2;
- while( i_samples > 0 )
- {
- uint8_t tmp[2];
-
- tmp[1] = *sin++;
- tmp[0] = *sin++;
- *sout++ = *(int16_t*)tmp;
- i_samples--;
- }
-#endif
- }
-
- id->i_buffer_pos = (uint8_t*)sout - id->p_buffer;
- if( i_used < id->i_buffer_in_pos )
+ mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
+ if ( p_audio_buf->start_date - i_dts > MASTER_SYNC_MAX_DRIFT
+ || p_audio_buf->start_date - i_dts < -MASTER_SYNC_MAX_DRIFT )
{
- memmove( id->p_buffer_in,
- &id->p_buffer_in[i_used],
- id->i_buffer_in - i_used );
+ msg_Dbg( p_stream, "drift is too high, resetting master sync" );
+ date_Set( &id->interpolated_pts, p_audio_buf->start_date );
+ i_dts = p_audio_buf->start_date + 1;
}
- id->i_buffer_in_pos -= i_used;
+ p_sys->i_master_drift = p_audio_buf->start_date - i_dts;
+ date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
+ p_audio_buf->start_date -= p_sys->i_master_drift;
+ p_audio_buf->end_date -= p_sys->i_master_drift;
}
- i_buffer_pos = id->i_buffer_pos;
+ p_audio_block = p_audio_buf->p_sys;
+ p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
+ p_audio_block->i_dts = p_audio_block->i_pts =
+ p_audio_buf->start_date;
+ p_audio_block->i_length = p_audio_buf->end_date -
+ p_audio_buf->start_date;
+ p_audio_block->i_samples = p_audio_buf->i_nb_samples;
- /* encode as much data as possible */
+ /* Run filter chain */
+ for( i = 0; i < id->i_filter; i++ )
+ {
+ p_audio_block =
+ id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
+ p_audio_block );
+ }
-#ifdef HAVE_VORBIS_VORBISENC_H
- if( id->i_buffer_pos == 0 );
- else if( id->f_dst.i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
+ /* Run user specified filter chain */
+ for( i = 0; i < id->i_ufilter; i++ )
{
- float **buffer;
- int i, j, i_samples;
- sout_buffer_t *p_out;
- ogg_packet op;
+ p_audio_block =
+ id->pp_ufilter[i]->pf_audio_filter( id->pp_ufilter[i],
+ p_audio_block );
+ }
- if( !id->b_headers_sent )
- {
- ogg_packet header[3];
- vorbis_analysis_headerout( id->p_vd, id->p_vc,
- &header[0], &header[1], &header[2]);
- for( i = 0; i < 3; i++ )
- {
- p_out = sout_BufferNew( p_stream->p_sout, header[i].bytes);
- memcpy( p_out->p_buffer, header[i].packet,
- header[i].bytes );
+ p_audio_buf->p_buffer = p_audio_block->p_buffer;
+ p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
+ p_audio_buf->i_nb_samples = p_audio_block->i_samples;
+ p_audio_buf->start_date = p_audio_block->i_dts;
+ p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
- p_out->i_size = header[i].bytes;
- p_out->i_length = 0;
+ p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
+ block_ChainAppend( out, p_block );
+ block_Release( p_audio_block );
+ free( p_audio_buf );
+ }
- p_out->i_dts = p_out->i_pts = 0;
+ return VLC_SUCCESS;
+}
- sout_BufferChain( out, p_out );
- }
- id->b_headers_sent = VLC_TRUE;
- }
+static void audio_release_buffer( aout_buffer_t *p_buffer )
+{
+ if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
+ free( p_buffer );
+}
- i_samples = id->i_buffer_pos / id->f_src.i_channels / 2;
- id->i_samples_delay += i_samples;
- id->i_buffer_pos = 0;
+static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
+{
+ aout_buffer_t *p_buffer;
+ block_t *p_block;
+ int i_size;
- buffer = vorbis_analysis_buffer( id->p_vd, i_samples );
+ 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;
+ }
- /* convert samples to float and uninterleave */
- for( i = 0; i < id->f_dst.i_channels; i++ )
- {
- for( j = 0 ; j < i_samples ; j++ )
- {
- buffer[i][j]= ((float)( ((int16_t *)id->p_buffer)
- [j*id->f_src.i_channels + i ] ))/ 32768.f;
- }
- }
+ p_buffer = malloc( sizeof(aout_buffer_t) );
+ if( !p_buffer ) return NULL;
+ p_buffer->b_discontinuity = false;
+ p_buffer->pf_release = audio_release_buffer;
+ p_buffer->p_sys = p_block = block_New( p_dec, i_size );
- vorbis_analysis_wrote( id->p_vd, i_samples );
+ p_buffer->p_buffer = p_block->p_buffer;
+ p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
+ p_buffer->i_nb_samples = i_samples;
+ p_block->i_samples = i_samples;
- while( vorbis_analysis_blockout( id->p_vd, id->p_vb ) == 1 )
- {
- vorbis_analysis( id->p_vb, NULL );
- vorbis_bitrate_addblock( id->p_vb );
+ return p_buffer;
+}
- while( vorbis_bitrate_flushpacket( id->p_vd, &op ) )
- {
- int i_block_size;
- p_out = sout_BufferNew( p_stream->p_sout, op.bytes );
- memcpy( p_out->p_buffer, op.packet, op.bytes );
+static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
+{
+ VLC_UNUSED(p_dec);
+ if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
+ free( p_buffer );
+}
- i_block_size = vorbis_packet_blocksize( id->p_vi, &op );
+/*
+ * video
+ */
- if( i_block_size < 0 ) i_block_size = 0;
- i_samples = ( id->i_last_block_size +
- i_block_size ) >> 2;
- id->i_last_block_size = i_block_size;
+static filter_t *transcode_video_filter_new( sout_stream_t *p_stream,
+ es_format_t *p_fmt_in,
+ es_format_t *p_fmt_out,
+ config_chain_t *p_cfg,
+ const char *psz_name )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ filter_t *p_filter;
+ int i;
- p_out->i_size = op.bytes;
- p_out->i_length = (mtime_t)1000000 *
- (mtime_t)i_samples /
- (mtime_t)id->f_dst.i_sample_rate;
+ if( !p_stream || !p_fmt_in || !p_fmt_out ) return NULL;
- //msg_Err( p_stream, "i_dts: %lld", id->i_dts );
+ p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_filter, p_stream );
- /* FIXME */
- p_out->i_dts = id->i_dts;
- p_out->i_pts = id->i_dts;
+ p_filter->pf_vout_buffer_new = video_new_buffer_filter;
+ p_filter->pf_vout_buffer_del = video_del_buffer_filter;
- id->i_samples_delay -= i_samples;
+ es_format_Copy( &p_filter->fmt_in, p_fmt_in );
+ es_format_Copy( &p_filter->fmt_out, p_fmt_out );
+ p_filter->p_cfg = p_cfg;
- /* update dts */
- id->i_dts += p_out->i_length;
- sout_BufferChain( out, p_out );
+ p_filter->p_module = module_Need( p_filter, "video filter2",
+ psz_name, true );
+ if( !p_filter->p_module )
+ {
+ msg_Dbg( p_stream, "no video filter found" );
+ vlc_object_detach( p_filter );
+ vlc_object_release( p_filter );
+ return NULL;
+ }
- }
- }
- }
- else
-#endif
+ p_filter->p_owner = malloc( sizeof(filter_owner_sys_t) );
+ if( !p_filter->p_owner )
+ {
+ module_Unneed( p_filter,p_filter->p_module );
+ vlc_object_detach( p_filter );
+ vlc_object_release( p_filter );
+ return NULL;
+ }
- for( ;; )
- {
- int i_frame_size = id->ff_enc_c->frame_size * 2 *
- id->ff_dec_c->channels;
- int i_out_size, i, j;
- sout_buffer_t *p_out;
- int16_t *p_buffer = (int16_t *)(id->p_buffer + i_buffer_pos -
- id->i_buffer_pos);
-
- if( id->i_buffer_pos < i_frame_size )
- {
- break;
- }
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
+ p_filter->p_owner->pp_pics[i] = 0;
+ p_filter->p_owner->p_sys = p_sys;
- if( id->ff_dec_c->channels != id->ff_enc_c->channels )
- {
- /* dumb downmixing */
- for( i = 0; i < id->ff_enc_c->frame_size; i++ )
- {
- for( j = 0 ; j < id->f_dst.i_channels; j++ )
- {
- p_buffer[i*id->f_dst.i_channels+j] = p_buffer[i*id->f_src.i_channels+j];
- }
- }
- }
+ return p_filter;
+}
- /* msg_Warn( p_stream, "avcodec_encode_audio: frame size%d",
- i_frame_size); */
- i_out_size = avcodec_encode_audio( id->ff_enc_c,
- id->p_buffer_out, id->i_buffer_out, p_buffer );
+static void transcode_video_filter_close( sout_stream_t *p_stream,
+ filter_t *p_filter )
+{
+ int j;
- if( i_out_size <= 0 )
- {
- break;
- }
+ if( !p_stream || !p_filter ) return;
- id->i_buffer_pos -= i_frame_size;
+ vlc_object_detach( p_filter );
+ if( p_filter->p_module )
+ module_Unneed( p_filter, p_filter->p_module );
- p_out = sout_BufferNew( p_stream->p_sout, i_out_size );
- memcpy( p_out->p_buffer, id->p_buffer_out, i_out_size );
- p_out->i_size = i_out_size;
- p_out->i_length = (mtime_t)1000000 *
- (mtime_t)id->ff_enc_c->frame_size /
- (mtime_t)id->ff_enc_c->sample_rate;
+ /* Clean-up pictures ring buffer */
+ for( j = 0; j < PICTURE_RING_SIZE; j++ )
+ {
+ if( p_filter->p_owner->pp_pics[j] )
+ video_del_buffer( VLC_OBJECT(p_filter),
+ p_filter->p_owner->pp_pics[j] );
+ }
+ free( p_filter->p_owner );
+ vlc_object_release( p_filter );
+ p_filter = NULL;
+}
- /* FIXME */
- p_out->i_dts = id->i_dts;
- p_out->i_pts = id->i_dts;
+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;
+ int i;
- /* update dts */
- id->i_dts += p_out->i_length;
+ /* 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) );
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
+ id->p_decoder->p_owner->pp_pics[i] = 0;
+ 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", 0 );
+
+ if( !id->p_decoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find decoder" );
+ return VLC_EGENERIC;
+ }
- /* msg_Warn( p_stream, "frame dts=%lld len %lld out=%d",
- p_out->i_dts, p_out->i_length, i_out_size ); */
+ /*
+ * 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 = 25;
+ id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
+
+ 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 encoder (%s)", p_sys->psz_venc );
+ module_Unneed( id->p_decoder, id->p_decoder->p_module );
+ id->p_decoder->p_module = 0;
+ return VLC_EGENERIC;
+ }
- sout_BufferChain( out, p_out );
- }
+ /* 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;
- /* Copy the remaining raw samples */
- if( id->i_buffer_pos != 0 )
+ 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_stream, &p_sys->lock_out );
+ vlc_cond_init( p_stream, &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,
+ false ) )
{
- memmove( id->p_buffer,
- &id->p_buffer[i_buffer_pos - id->i_buffer_pos],
- id->i_buffer_pos );
+ msg_Err( p_stream, "cannot spawn encoder thread" );
+ module_Unneed( id->p_decoder, id->p_decoder->p_module );
+ id->p_decoder->p_module = 0;
+ return VLC_EGENERIC;
}
-
- } while( b_again );
+ }
return VLC_SUCCESS;
}
-
-/*
- * video
- */
-static int transcode_video_ffmpeg_new( sout_stream_t *p_stream,
- sout_stream_id_t *id )
+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;
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ /* Calculate scaling, padding, cropping etc. */
+ /* 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 );
+
+ /* width/height after cropping */
+ p_sys->i_src_x_offset = p_sys->i_crop_left & ~1;
+ p_sys->i_src_y_offset = p_sys->i_crop_top & ~1;
+ p_sys->i_crop_width = i_src_width - ( p_sys->i_crop_left & ~1 ) -
+ ( p_sys->i_crop_right & ~1 );
+ p_sys->i_crop_height = i_src_height - ( p_sys->i_crop_top & ~1 ) -
+ ( p_sys->i_crop_bottom & ~1 );
+
+ /* 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;
- int i_ff_codec;
+ 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;
- if( id->f_src.i_fourcc == VLC_FOURCC( 'I', '4', '2', '0' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'I', '4', '2', '2' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'I', '4', '4', '4' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'Y', 'U', 'Y', '2' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '1', '5' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '1', '6' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '2', '4' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '3', '2' ) ||
- id->f_src.i_fourcc == VLC_FOURCC( 'G', 'R', 'E', 'Y' ) )
- {
- id->ff_dec = NULL;
- id->ff_dec_c = avcodec_alloc_context();
- id->ff_dec_c->width = id->f_src.i_width;
- id->ff_dec_c->height = id->f_src.i_height;
- id->ff_dec_c->pix_fmt = get_ff_chroma( id->f_src.i_fourcc );
- }
- else
- {
- /* find decoder */
- i_ff_codec = get_ff_codec( id->f_src.i_fourcc );
- if( i_ff_codec == 0 )
- {
- msg_Err( p_stream, "cannot find decoder" );
- return VLC_EGENERIC;
- }
-
- id->ff_dec = avcodec_find_decoder( i_ff_codec );
- if( !id->ff_dec )
- {
- msg_Err( p_stream, "cannot find decoder" );
- return VLC_EGENERIC;
- }
+ f_real_scale = (float)( i_new_width ) / (float) i_src_width;
- id->ff_dec_c = avcodec_alloc_context();
- id->ff_dec_c->width = id->f_src.i_width;
- id->ff_dec_c->height = id->f_src.i_height;
- /* id->ff_dec_c->bit_rate = id->f_src.i_bitrate; */
- id->ff_dec_c->extradata_size= id->f_src.i_extra_data;
- id->ff_dec_c->extradata = id->f_src.p_extra_data;
- id->ff_dec_c->workaround_bugs = FF_BUG_AUTODETECT;
- id->ff_dec_c->error_resilience= -1;
- id->ff_dec_c->get_buffer = transcode_video_ffmpeg_getframebuf;
- id->ff_dec_c->opaque = p_sys;
-
- if( avcodec_open( id->ff_dec_c, id->ff_dec ) < 0 )
- {
- msg_Err( p_stream, "cannot open decoder" );
- return VLC_EGENERIC;
- }
+ i_new_height = __MAX( 16, i_src_height * (float)f_real_scale );
- if( i_ff_codec == CODEC_ID_MPEG4 && id->ff_dec_c->extradata_size > 0 )
- {
- int b_gotpicture;
- AVFrame frame;
- uint8_t *p_vol = malloc( id->ff_dec_c->extradata_size +
- FF_INPUT_BUFFER_PADDING_SIZE );
-
- memcpy( p_vol, id->ff_dec_c->extradata,
- id->ff_dec_c->extradata_size );
- memset( p_vol + id->ff_dec_c->extradata_size, 0,
- FF_INPUT_BUFFER_PADDING_SIZE );
-
- avcodec_decode_video( id->ff_dec_c, &frame, &b_gotpicture,
- id->ff_dec_c->extradata,
- id->ff_dec_c->extradata_size );
- free( p_vol );
- }
+ f_scale_width = f_real_scale;
+ f_scale_height = (float) i_new_height / (float) i_src_height;
}
-
-
- /* find encoder */
- id->ff_enc = NULL;
- i_ff_codec = get_ff_codec( id->f_dst.i_fourcc );
- if( i_ff_codec != 0 )
+ else if( id->p_encoder->fmt_out.video.i_width > 0 &&
+ id->p_encoder->fmt_out.video.i_height <= 0 )
{
- id->ff_enc = avcodec_find_encoder( i_ff_codec );
+ /* Only width specified */
+ f_scale_width = (float)id->p_encoder->fmt_out.video.i_width /
+ p_sys->i_crop_width;
+ f_scale_height = f_scale_width;
}
-
- /* Hack for external encoders */
- if( !id->ff_enc )
+ else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
+ id->p_encoder->fmt_out.video.i_height > 0 )
{
- id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
- id->p_encoder->i_fourcc = id->f_dst.i_fourcc;
- id->p_encoder->format.video.i_width = p_sys->i_width;
- id->p_encoder->format.video.i_height = p_sys->i_height;
- id->p_encoder->i_bitrate = p_sys->i_vbitrate;
-
- if( id->p_encoder->format.video.i_width <= 0 )
- {
- id->p_encoder->format.video.i_width = id->f_dst.i_width =
- id->ff_dec_c->width - p_sys->i_crop_left -
- p_sys->i_crop_right;
- }
- if( id->p_encoder->format.video.i_height <= 0 )
- {
- id->p_encoder->format.video.i_height = id->f_dst.i_height =
- id->ff_dec_c->height - p_sys->i_crop_top -
- p_sys->i_crop_bottom;
- }
-
- id->p_encoder->p_module =
- module_Need( id->p_encoder, "video encoder", NULL );
-
- if( !id->p_encoder->p_module )
+ /* Only height specified */
+ f_scale_height = (float)id->p_encoder->fmt_out.video.i_height /
+ p_sys->i_crop_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
+ / p_sys->i_crop_width;
+ f_scale_height = (float)id->p_encoder->fmt_out.video.i_height
+ / p_sys->i_crop_height;
+ }
+
+ /* check maxwidth and maxheight
+ * note: maxwidth and maxheight currently does not handle
+ * canvas and padding, just scaling and cropping.
+ */
+ if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
+ p_sys->i_crop_width )
+ {
+ f_scale_width = (float)p_sys->i_maxwidth / p_sys->i_crop_width;
+ }
+ if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
+ p_sys->i_crop_height )
+ {
+ f_scale_height = (float)p_sys->i_maxheight / p_sys->i_crop_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 );
+
+ /* Correct scaling for target aspect ratio
+ * Shrink video if necessary
+ */
+ if ( p_sys->i_canvas_aspect > 0 )
+ {
+ float f_target_aspect = (float)p_sys->i_canvas_aspect /
+ VOUT_ASPECT_FACTOR;
+
+ if( p_sys->i_canvas_width > 0 && p_sys->i_canvas_height > 0)
+ {
+ /* Calculate pixel aspect of canvas */
+ f_target_aspect = f_target_aspect / p_sys->i_canvas_width *
+ p_sys->i_canvas_height;
+ }
+ if( f_target_aspect > f_aspect )
+ {
+ /* Reduce width scale to increase aspect */
+ f_scale_width = f_scale_width * f_aspect / f_target_aspect;
+ }
+ else
+ {
+ /* Reduce height scale to decrease aspect */
+ f_scale_height = f_scale_height * f_target_aspect / f_aspect;
+ }
+ f_aspect = f_target_aspect;
+ msg_Dbg( p_stream, "canvas 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)( p_sys->i_crop_width * f_scale_width / 2 + 0.5 );
+ i_dst_height = 2 *
+ (int)( p_sys->i_crop_height * f_scale_height / 2 + 0.5 );
+
+ p_sys->i_nopadd_width = i_dst_width;
+ p_sys->i_nopadd_height = i_dst_height;
+ p_sys->i_dst_x_offset = 0;
+ p_sys->i_dst_y_offset = 0;
+
+ /* Handle canvas and padding */
+ if( p_sys->i_canvas_width <= 0 )
+ {
+ /* No canvas width set, add explicit padding border */
+ i_dst_width = p_sys->i_nopadd_width + ( p_sys->i_padd_left & ~1 ) +
+ ( p_sys->i_padd_right & ~1 );
+ p_sys->i_dst_x_offset = ( p_sys->i_padd_left & ~1 );
+ }
+ else
+ {
+ /* Canvas set, check if we have to padd or crop */
+ if( p_sys->i_canvas_width < p_sys->i_nopadd_width )
+ {
+ /* need to crop more, but keep same scaling */
+ int i_crop = 2 * (int)( ( p_sys->i_canvas_width & ~1 ) /
+ f_scale_width / 2 + 0.5 );
+
+ p_sys->i_src_x_offset += ( ( p_sys->i_crop_width - i_crop ) / 2 )
+ & ~1;
+ p_sys->i_crop_width = i_crop;
+ i_dst_width = p_sys->i_canvas_width & ~1;
+ p_sys->i_nopadd_width = i_dst_width;
+ }
+ else if( p_sys->i_canvas_width > p_sys->i_nopadd_width )
+ {
+ /* need to padd */
+ i_dst_width = p_sys->i_canvas_width & ~1;
+ p_sys->i_dst_x_offset = ( i_dst_width - p_sys->i_nopadd_width )/2;
+ p_sys->i_dst_x_offset = p_sys->i_dst_x_offset & ~1;
+ }
+ }
+
+ if( p_sys->i_canvas_height <= 0 )
+ {
+ /* No canvas set, add padding border */
+ i_dst_height = p_sys->i_nopadd_height + ( p_sys->i_padd_top & ~1 ) +
+ ( p_sys->i_padd_bottom & ~1 );
+ p_sys->i_dst_y_offset = ( p_sys->i_padd_top & ~1 );
+ }
+ else
+ {
+ /* Canvas set, check if we have to padd or crop */
+ if( p_sys->i_canvas_height < p_sys->i_nopadd_height )
+ {
+ /* need to crop more, but keep same scaling */
+ int i_crop = 2 * (int)( ( p_sys->i_canvas_height & ~1 ) /
+ f_scale_height / 2 + 0.5 );
+
+ p_sys->i_src_y_offset += ( ( p_sys->i_crop_height - i_crop ) / 2 )
+ & ~1;
+ p_sys->i_crop_height = i_crop;
+ i_dst_height = p_sys->i_canvas_height & ~1;
+ p_sys->i_nopadd_height = i_dst_height;
+ }
+ else if( p_sys->i_canvas_height > p_sys->i_nopadd_height )
+ {
+ /* need to padd */
+ i_dst_height = p_sys->i_canvas_height & ~1;
+ p_sys->i_dst_y_offset = ( i_dst_height - p_sys->i_nopadd_height )
+ /2;
+ p_sys->i_dst_y_offset = p_sys->i_dst_y_offset & ~1;
+ }
+ }
+
+ /* 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 = i_dst_width;
+ id->p_encoder->fmt_out.video.i_height = i_dst_height;
+
+ id->p_encoder->fmt_in.video.i_width = i_dst_width;
+ id->p_encoder->fmt_in.video.i_height = i_dst_height;
+
+ msg_Dbg( p_stream, "source %ix%i, crop %ix%i, "
+ "destination %ix%i, padding %ix%i",
+ i_src_width, i_src_height,
+ p_sys->i_crop_width, p_sys->i_crop_height,
+ p_sys->i_nopadd_width, p_sys->i_nopadd_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 )
{
- free( id->p_encoder );
- id->p_encoder = NULL;
+ 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 = 25;
+ id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
}
}
- /* End hack for external encoders */
-
- if( !id->ff_enc && !id->p_encoder )
- {
- msg_Err( p_stream, "cannot find encoder" );
- return VLC_EGENERIC;
- }
-
- /* XXX open it only when we have the first frame */
- id->b_enc_inited = VLC_FALSE;
- id->i_buffer_in = 0;
- id->i_buffer_in_pos = 0;
- id->p_buffer_in = NULL;
-
- id->i_buffer = 3*1024*1024;
- id->i_buffer_pos = 0;
- id->p_buffer = malloc( id->i_buffer );
-
- id->i_buffer_out = 0;
- id->i_buffer_out_pos = 0;
- id->p_buffer_out = NULL;
- id->p_ff_pic = avcodec_alloc_frame();
- id->p_ff_pic_tmp0 = NULL;
- id->p_ff_pic_tmp1 = NULL;
- id->p_ff_pic_tmp2 = NULL;
- id->p_vresample = NULL;
+ 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;
- p_sys->i_last_ref_pts = 0;
- p_sys->i_buggy_pts_detect = 0;
+ date_Init( &id->interpolated_pts,
+ id->p_encoder->fmt_out.video.i_frame_rate,
+ id->p_encoder->fmt_out.video.i_frame_rate_base );
- /* This is enough for external encoders */
- if( id->p_encoder && id->p_encoder->p_module ) return VLC_SUCCESS;
-
- if( id->f_dst.i_fourcc == VLC_FOURCC( 'm','p','1','v' )||
- id->f_dst.i_fourcc == VLC_FOURCC( 'm','p','2','v' ) )
+ /* Check whether a particular aspect ratio was requested */
+ if( !id->p_encoder->fmt_out.video.i_aspect )
{
- id->f_dst.i_fourcc = VLC_FOURCC( 'm','p','g','v' );
+ 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;
- id->ff_enc_c = avcodec_alloc_context();
- id->ff_enc_c->width = id->f_dst.i_width;
- id->ff_enc_c->height = id->f_dst.i_height;
- id->ff_enc_c->bit_rate = id->f_dst.i_bitrate;
+ msg_Dbg( p_stream, "encoder aspect is %i:%i", id->p_encoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
- if( id->ff_dec )
- {
- id->ff_enc_c->frame_rate = id->ff_dec_c->frame_rate;
-#if LIBAVCODEC_BUILD >= 4662
- id->ff_enc_c->frame_rate_base= id->ff_dec_c->frame_rate_base;
-#endif
- }
- else
+ id->p_encoder->p_module =
+ module_Need( id->p_encoder, "encoder", p_sys->psz_venc, true );
+ if( !id->p_encoder->p_module )
{
-#if LIBAVCODEC_BUILD >= 4662
- id->ff_enc_c->frame_rate = 25 ; /* FIXME as it break mpeg */
- id->ff_enc_c->frame_rate_base= 1;
-#else
- id->ff_enc_c->frame_rate = 25 * FRAME_RATE_BASE;
-#endif
+ msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_venc );
+ return VLC_EGENERIC;
}
- id->ff_enc_c->gop_size = p_sys->i_key_int >= 0 ? p_sys->i_key_int : 50;
- id->ff_enc_c->max_b_frames = __MIN( p_sys->i_b_frames, FF_MAX_B_FRAMES );
- id->ff_enc_c->b_frame_strategy = 0;
- id->ff_enc_c->b_quant_factor = 2.0;
+ id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
- if( p_sys->i_vtolerance >= 0 )
+ /* Hack for mp2v/mp1v transcoding support */
+ if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
+ id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
{
- id->ff_enc_c->bit_rate_tolerance = p_sys->i_vtolerance;
+ id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
}
- id->ff_enc_c->qmin = p_sys->i_qmin;
- id->ff_enc_c->qmax = p_sys->i_qmax;
-#if LIBAVCODEC_BUILD >= 4673
- id->ff_enc_c->mb_decision = p_sys->i_hq;
-#else
- if( p_sys->i_hq )
+ id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
+ &id->p_encoder->fmt_out );
+ if( !id->id )
{
- id->ff_enc_c->flags |= CODEC_FLAG_HQ;
- }
-#endif
-
- if( i_ff_codec == CODEC_ID_RAWVIDEO )
- {
- id->ff_enc_c->pix_fmt = get_ff_chroma( id->f_dst.i_fourcc );
+ msg_Err( p_stream, "cannot add this stream" );
+ return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
-static void transcode_video_ffmpeg_close ( sout_stream_t *p_stream, sout_stream_id_t *id )
+static void transcode_video_close( sout_stream_t *p_stream,
+ sout_stream_id_t *id )
{
- if( id->ff_dec )
- {
- avcodec_close( id->ff_dec_c );
- }
- if( id->p_encoder )
- {
- /* External encoding */
- module_Unneed( id->p_encoder, id->p_encoder->p_module );
- vlc_object_destroy( id->p_encoder->p_module );
- }
- else if( id->b_enc_inited )
- {
- avcodec_close( id->ff_enc_c );
- }
+ int i;
- if( id->p_ff_pic)
+ if( p_stream->p_sys->i_threads >= 1 )
{
- free( id->p_ff_pic );
+ 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 );
}
- if( id->p_ff_pic_tmp0 )
- {
- free( id->p_ff_pic_tmp0->data[0] );
- free( id->p_ff_pic_tmp0 );
- }
- if( id->p_ff_pic_tmp1)
+ /* Close decoder */
+ if( id->p_decoder->p_module )
+ module_Unneed( id->p_decoder, id->p_decoder->p_module );
+
+ if( id->p_decoder->p_owner )
{
- free( id->p_ff_pic_tmp1->data[0] );
- free( id->p_ff_pic_tmp1 );
+ /* Clean-up pictures ring buffer */
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
+ {
+ if( id->p_decoder->p_owner->pp_pics[i] )
+ video_del_buffer( VLC_OBJECT(id->p_decoder),
+ id->p_decoder->p_owner->pp_pics[i] );
+ }
+ free( id->p_decoder->p_owner );
}
- if( id->p_ff_pic_tmp2)
+
+ /* Close encoder */
+ if( id->p_encoder->p_module )
+ module_Unneed( id->p_encoder, id->p_encoder->p_module );
+
+ /* Close filters */
+ for( i = 0; i < id->i_filter; i++ )
{
- free( id->p_ff_pic_tmp2->data[0] );
- free( id->p_ff_pic_tmp2 );
+ transcode_video_filter_close( p_stream, id->pp_filter[i] );
+ id->pp_filter[i] = NULL;
}
- if( id->p_vresample )
+ id->i_filter = 0;
+
+ for( i = 0; i < id->i_ufilter; i++ )
{
- free( id->p_vresample );
+ transcode_video_filter_close( p_stream, id->pp_ufilter[i] );
+ id->pp_ufilter[i] = NULL;
}
-
- free( id->ff_dec_c );
- free( id->ff_enc_c );
- free( id->p_buffer );
+ id->i_ufilter = 0;
}
-static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
- sout_stream_id_t *id, sout_buffer_t *in, sout_buffer_t **out )
+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_used;
- int i_out;
- int b_gotpicture;
- AVFrame *frame;
-
- int i_data;
- uint8_t *p_data;
-
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ int i_duplicate = 1, i;
+ picture_t *p_pic, *p_pic2 = NULL;
*out = NULL;
- i_data = in->i_size;
- p_data = in->p_buffer;
-
- for( ;; )
+ while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
{
- /* decode frame */
- frame = id->p_ff_pic;
- p_sys->i_input_pts = in->i_pts;
- if( id->ff_dec )
- {
- i_used = avcodec_decode_video( id->ff_dec_c, frame,
- &b_gotpicture,
- p_data, i_data );
- }
- else
- {
- /* raw video */
- avpicture_fill( (AVPicture*)frame,
- p_data,
- id->ff_dec_c->pix_fmt,
- id->ff_dec_c->width, id->ff_dec_c->height );
- i_used = i_data;
- b_gotpicture = 1;
-
- /* Set PTS */
- frame->pts = p_sys->i_input_pts;
- }
+ subpicture_t *p_subpic = NULL;
- if( i_used < 0 )
- {
- msg_Warn( p_stream, "error");
- return VLC_EGENERIC;
- }
- i_data -= i_used;
- p_data += i_used;
-
- if( !b_gotpicture )
- {
- return VLC_SUCCESS;
- }
+ sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_VIDEO, 1 );
- /* Get the pts of the decoded frame if any, otherwise keep the
- * interpolated one */
- if( frame->pts > 0 )
+ if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
{
- p_sys->i_output_pts = frame->pts;
+ mtime_t current_date = mdate();
+ if( current_date + 50000 > p_pic->date )
+ {
+ msg_Dbg( p_stream, "late picture skipped ("I64Fd")",
+ current_date + 50000 - p_pic->date );
+ p_pic->pf_release( p_pic );
+ continue;
+ }
}
- if( !id->b_enc_inited && id->p_encoder )
+ if( p_sys->b_master_sync )
{
- block_t *p_block;
+ mtime_t i_video_drift;
+ mtime_t i_master_drift = p_sys->i_master_drift;
+ mtime_t i_pts;
- /* XXX hack because of copy packetizer and mpeg4video that can fail
- * detecting size */
-#if 0
- if( id->p_encoder->i_width <= 0 )
+ 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 )
{
- id->p_encoder->i_width = id->f_dst.i_width =
- id->ff_dec_c->width - p_sys->i_crop_left -
- p_sys->i_crop_right;
+ 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;
}
- if( id->p_encoder->i_height <= 0 )
+ 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) )
{
- id->p_encoder->i_height = id->f_dst.i_height =
- id->ff_dec_c->height - p_sys->i_crop_top -
- p_sys->i_crop_bottom;
+#if 0
+ msg_Dbg( p_stream, "dropping frame (%i)",
+ (int)(i_video_drift - i_master_drift) );
+#endif
+ p_pic->pf_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;
+ }
+ }
- id->p_encoder->i_bitrate = p_sys->i_vbitrate;
-
- if( !( id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out, &id->f_dst ) ) )
+ if( !id->p_encoder->p_module )
+ {
+ if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
{
- msg_Err( p_stream, "cannot add this stream" );
- id->b_transcode = VLC_FALSE;
+ p_pic->pf_release( p_pic );
+ transcode_video_close( p_stream, id );
+ id->b_transcode = false;
return VLC_EGENERIC;
}
- while( (p_block = id->p_encoder->pf_header( id->p_encoder )) )
+ /* Deinterlace */
+ if( p_stream->p_sys->b_deinterlace )
{
- sout_buffer_t *p_out;
- p_out = sout_BufferNew( p_stream->p_sout, p_block->i_buffer );
- memcpy( p_out->p_buffer, p_block->p_buffer, p_block->i_buffer);
- sout_BufferChain( out, p_out );
+ id->pp_filter[id->i_filter] =
+ transcode_video_filter_new( p_stream,
+ &id->p_decoder->fmt_out, &id->p_decoder->fmt_out,
+ p_sys->p_deinterlace_cfg,
+ p_sys->psz_deinterlace );
+
+ if( id->pp_filter[id->i_filter] )
+ id->i_filter++;
}
- id->i_inter_pixfmt =
- get_ff_chroma( id->p_encoder->format.video.i_chroma );
-
- id->b_enc_inited = VLC_TRUE;
- }
- else if( !id->b_enc_inited )
- {
- /* XXX hack because of copy packetizer and mpeg4video that can fail
- * detecting size */
- if( id->ff_enc_c->width <= 0 )
+#if (defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)) || defined(HAVE_LIBSWSCALE_SWSCALE_H)
+ 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_out.video.i_width ) ||
+ ( id->p_decoder->fmt_out.video.i_height !=
+ id->p_encoder->fmt_out.video.i_height ) )
{
- id->ff_enc_c->width =
- id->f_dst.i_width = id->ff_dec_c->width - p_sys->i_crop_left - p_sys->i_crop_right;
+ id->pp_filter[id->i_filter] =
+ transcode_video_filter_new( p_stream,
+ &id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
+ NULL, "scale" );
+ if( !id->pp_filter[id->i_filter] )
+ {
+ p_pic->pf_release( p_pic );
+ transcode_video_close( p_stream, id );
+ id->b_transcode = false;
+ return VLC_EGENERIC;
+ }
+ id->i_filter++;
}
- if( id->ff_enc_c->height <= 0 )
+#if 0 /* FIXME: */
+ /* we don't do chroma conversion or scaling in croppad */
+// es_format_t fmt_in, fmt_out;
+// es_format_Copy( &fmt_out, &id->p_encoder->fmt_in );
+// es_format_Copy( &fmt_in, &id->p_encoder->fmt_in );
+
+ if( ( id->p_decoder->fmt_out.video.i_chroma ==
+ id->p_encoder->fmt_in.video.i_chroma ) &&
+
+ ( ( (int)id->p_decoder->fmt_out.video.i_width !=
+ p_sys->i_crop_width ) ||
+ ( p_sys->i_crop_width != p_sys->i_nopadd_width ) ||
+ ( p_sys->i_nopadd_width !=
+ (int)id->p_encoder->fmt_out.video.i_width ) ||
+
+ ( (int)id->p_decoder->fmt_out.video.i_height !=
+ p_sys->i_crop_height ) ||
+ ( p_sys->i_crop_height != p_sys->i_nopadd_height ) ||
+ ( p_sys->i_nopadd_height !=
+ (int)id->p_encoder->fmt_out.video.i_height ) ) )
{
- id->ff_enc_c->height =
- id->f_dst.i_height = id->ff_dec_c->height - p_sys->i_crop_top - p_sys->i_crop_bottom;
+ id->pp_filter[id->i_filter] =
+ transcode_video_filter_new( p_stream,
+ &id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
+ NULL, "croppadd" );
+ if( id->pp_filter[id->i_filter] )
+ {
+ /* Set crop and padding information */
+ id->pp_filter[id->i_filter]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
+ id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
+ id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
+ id->pp_filter[id->i_filter]->fmt_in.video.i_visible_height = p_sys->i_crop_height;
+
+ id->pp_filter[id->i_filter]->fmt_out.video.i_x_offset = p_sys->i_dst_x_offset;
+ id->pp_filter[id->i_filter]->fmt_out.video.i_y_offset = p_sys->i_dst_y_offset;
+ id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
+ id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
+
+ id->i_filter++;
+ }
}
+#endif
+#else
+ /* Check if we need a filter for chroma conversion or resizing */
+ if( id->p_decoder->fmt_out.video.i_chroma !=
+ id->p_encoder->fmt_in.video.i_chroma ||
- /* Make sure we get extradata filled by the encoder */
- id->ff_enc_c->extradata_size = 0;
- id->ff_enc_c->extradata = NULL;
- id->ff_enc_c->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ (int)id->p_decoder->fmt_out.video.i_width != p_sys->i_crop_width ||
+ p_sys->i_crop_width != p_sys->i_nopadd_width ||
+ p_sys->i_nopadd_width != (int)id->p_encoder->fmt_out.video.i_width ||
- if( avcodec_open( id->ff_enc_c, id->ff_enc ) )
+ (int)id->p_decoder->fmt_out.video.i_height != p_sys->i_crop_height ||
+ p_sys->i_crop_height != p_sys->i_nopadd_height ||
+ p_sys->i_nopadd_height != (int)id->p_encoder->fmt_out.video.i_height)
{
- msg_Err( p_stream, "cannot open encoder" );
- return VLC_EGENERIC;
- }
+ id->pp_filter[id->i_filter] =
+ transcode_video_filter_new( p_stream,
+ &id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
+ NULL, "crop padd" );
+ if( !id->pp_filter[id->i_filter] )
+ {
+ p_pic->pf_release( p_pic );
+ transcode_video_close( p_stream, id );
+ id->b_transcode = false;
+ return VLC_EGENERIC;
+ }
- id->f_dst.i_extra_data = id->ff_enc_c->extradata_size;
- id->f_dst.p_extra_data = id->ff_enc_c->extradata;
- id->ff_enc_c->flags &= ~CODEC_FLAG_GLOBAL_HEADER;
+ /* Set crop and padding information */
+ id->pp_filter[id->i_filter]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
+ id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
+ id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
+ id->pp_filter[id->i_filter]->fmt_in.video.i_visible_height = p_sys->i_crop_height;
- if( !( id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out, &id->f_dst ) ) )
+ id->pp_filter[id->i_filter]->fmt_out.video.i_x_offset = p_sys->i_dst_x_offset;
+ id->pp_filter[id->i_filter]->fmt_out.video.i_y_offset = p_sys->i_dst_y_offset;
+ id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
+ id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
+
+ id->i_filter++;
+ }
+#endif
+ for( i = 0; (i < p_sys->i_vfilters) && (id->i_ufilter < TRANSCODE_FILTERS); i++ )
{
- msg_Err( p_stream, "cannot add this stream" );
- transcode_video_ffmpeg_close( p_stream, id );
- id->b_transcode = VLC_FALSE;
- return VLC_EGENERIC;
+ id->pp_ufilter[id->i_ufilter] =
+ transcode_video_filter_new( p_stream,
+ &id->p_decoder->fmt_out, &id->p_encoder->fmt_in,
+ p_sys->p_vfilters_cfg[i], p_sys->psz_vfilters[i] );
+ if( id->pp_ufilter[id->i_filter] )
+ id->i_ufilter++;
+ else
+ id->pp_ufilter[id->i_ufilter] = NULL;
}
+ }
- id->i_inter_pixfmt = id->ff_enc_c->pix_fmt;
-
- id->b_enc_inited = VLC_TRUE;
+ /* Run filter chain */
+ for( i = 0; i < id->i_filter; i++ )
+ {
+ p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
}
+ /*
+ * Encoding
+ */
- /* deinterlace */
- if( p_stream->p_sys->b_deinterlace )
+ /* Check if we have a subpicture to overlay */
+ if( p_sys->p_spu )
{
- if( id->p_ff_pic_tmp0 == NULL )
- {
- int i_size;
- uint8_t *buf;
- id->p_ff_pic_tmp0 = avcodec_alloc_frame();
- i_size = avpicture_get_size( id->ff_dec_c->pix_fmt,
- id->ff_dec_c->width, id->ff_dec_c->height );
+ p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date,
+ false /* Fixme: check if stream is paused */ );
+ /* TODO: get another pic */
+ }
- buf = malloc( i_size );
+ /* Overlay subpicture */
+ if( p_subpic )
+ {
+ int i_scale_width, i_scale_height;
+ video_format_t *p_fmt;
- avpicture_fill( (AVPicture*)id->p_ff_pic_tmp0, buf,
- id->i_inter_pixfmt,
- id->ff_dec_c->width, id->ff_dec_c->height );
+ i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
+ id->p_decoder->fmt_out.video.i_width;
+ i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
+ id->p_decoder->fmt_out.video.i_height;
+
+ if( p_pic->i_refcount && !id->i_filter )
+ {
+ /* 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 )
+ {
+ vout_CopyPicture( p_stream, p_tmp, p_pic );
+ p_pic->pf_release( p_pic );
+ p_pic = p_tmp;
+ }
}
- avpicture_deinterlace( (AVPicture*)id->p_ff_pic_tmp0, (AVPicture*)frame,
- id->ff_dec_c->pix_fmt,
- id->ff_dec_c->width, id->ff_dec_c->height );
+ if( id->i_filter )
+ p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
+ else
+ p_fmt = &id->p_decoder->fmt_out.video;
+
+ /* FIXME (shouldn't have to be done here) */
+ p_fmt->i_sar_num = p_fmt->i_aspect *
+ p_fmt->i_height / p_fmt->i_width;
+ p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
+
+ spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
+ i_scale_width, i_scale_height );
+ }
- frame = id->p_ff_pic_tmp0;
+ /* Run user specified filter chain */
+ for( i = 0; i < id->i_ufilter; i++ )
+ {
+ p_pic = id->pp_ufilter[i]->pf_video_filter( id->pp_ufilter[i],
+ p_pic );
}
- /* convert pix format */
- if( id->ff_dec_c->pix_fmt != id->i_inter_pixfmt )
+ if( p_sys->i_threads == 0 )
{
- if( id->p_ff_pic_tmp1 == NULL )
+ block_t *p_block;
+ p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
+ 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 )
{
- int i_size;
- uint8_t *buf;
- id->p_ff_pic_tmp1 = avcodec_alloc_frame();
- i_size = avpicture_get_size( id->i_inter_pixfmt,
- id->ff_dec_c->width,
- id->ff_dec_c->height );
-
- buf = malloc( i_size );
-
- avpicture_fill( (AVPicture*)id->p_ff_pic_tmp1, buf,
- id->i_inter_pixfmt,
- id->ff_dec_c->width, id->ff_dec_c->height );
+ 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 );
+ }
- img_convert( (AVPicture*)id->p_ff_pic_tmp1, id->i_inter_pixfmt,
- (AVPicture*)frame, id->ff_dec_c->pix_fmt,
- id->ff_dec_c->width, id->ff_dec_c->height );
+ 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 );
- frame = id->p_ff_pic_tmp1;
+ 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 )
+ {
+ vout_CopyPicture( p_stream, p_pic2, p_pic );
+ p_pic2->date = i_pts;
+ }
+ }
+ else
+ {
+ block_t *p_block;
+ p_pic->date = i_pts;
+ p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
+ block_ChainAppend( out, p_block );
+ }
}
- /* convert size and crop */
- if( id->ff_dec_c->width != id->f_dst.i_width ||
- id->ff_dec_c->height != id->f_dst.i_height ||
- p_sys->i_crop_top > 0 || p_sys->i_crop_bottom > 0 ||
- p_sys->i_crop_left > 0 || p_sys->i_crop_right )
+ if( p_sys->i_threads == 0 )
+ {
+ p_pic->pf_release( p_pic );
+ }
+ else
{
- if( id->p_ff_pic_tmp2 == NULL )
+ 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 )
{
- int i_size;
- uint8_t *buf;
- id->p_ff_pic_tmp2 = avcodec_alloc_frame();
- i_size = avpicture_get_size( id->i_inter_pixfmt,
- id->f_dst.i_width,
- id->f_dst.i_height );
-
- buf = malloc( i_size );
-
- avpicture_fill( (AVPicture*)id->p_ff_pic_tmp2, buf,
- id->i_inter_pixfmt,
- id->f_dst.i_width, id->f_dst.i_height );
-
- id->p_vresample =
- img_resample_full_init( id->f_dst.i_width,
- id->f_dst.i_height,
- id->ff_dec_c->width, id->ff_dec_c->height,
- p_stream->p_sys->i_crop_top,
- p_stream->p_sys->i_crop_bottom,
- p_stream->p_sys->i_crop_left,
- p_stream->p_sys->i_crop_right );
+ 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 );
+ }
+ }
- img_resample( id->p_vresample, (AVPicture*)id->p_ff_pic_tmp2,
- (AVPicture*)frame );
+ return VLC_SUCCESS;
+}
- frame = id->p_ff_pic_tmp2;
- }
+static int EncoderThread( sout_stream_sys_t *p_sys )
+{
+ sout_stream_id_t *id = p_sys->id_video;
+ picture_t *p_pic;
- /* Set the pts of the frame being encoded (segfaults with mpeg4!)*/
- if( id->f_dst.i_fourcc == VLC_FOURCC( 'm', 'p', 'g', 'v' ) )
- frame->pts = p_sys->i_output_pts;
- else
- frame->pts = 0;
+ while( !p_sys->b_die && !p_sys->b_error )
+ {
+ block_t *p_block;
- /* Interpolate the next PTS
- * (needed by the mpeg video packetizer which can send pts <= 0 ) */
- if( id->ff_dec_c && id->ff_dec_c->frame_rate > 0 )
+ vlc_mutex_lock( &p_sys->lock_out );
+ while( p_sys->i_last_pic == p_sys->i_first_pic )
{
- p_sys->i_output_pts += I64C(1000000) * (2 + frame->repeat_pict) *
- id->ff_dec_c->frame_rate_base / (2 * id->ff_dec_c->frame_rate);
+ vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
+ if( p_sys->b_die || p_sys->b_error ) break;
}
-
- if( id->p_encoder )
+ if( p_sys->b_die || p_sys->b_error )
{
- /* External encoding */
- block_t *p_block;
- picture_t pic;
- int i_plane;
+ vlc_mutex_unlock( &p_sys->lock_out );
+ break;
+ }
- vout_InitPicture( VLC_OBJECT(p_stream), &pic,
- id->f_dst.i_width, id->f_dst.i_height,
- id->p_encoder->format.video.i_chroma );
+ 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 );
- for( i_plane = 0; i_plane < pic.i_planes; i_plane++ )
- {
- pic.p[i_plane].p_pixels = frame->data[i_plane];
- pic.p[i_plane].i_pitch = frame->linesize[i_plane];
- }
+ p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
+ vlc_mutex_lock( &p_sys->lock_out );
+ block_ChainAppend( &p_sys->p_buffers, p_block );
+
+ vlc_mutex_unlock( &p_sys->lock_out );
+ p_pic->pf_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;
+ p_pic->pf_release( p_pic );
+ }
+ block_ChainRelease( p_sys->p_buffers );
+
+ return 0;
+}
+
+struct picture_sys_t
+{
+ vlc_object_t *p_owner;
+};
+
+static void video_release_buffer( picture_t *p_pic )
+{
+ if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
+ {
+ video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
+ }
+ else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
+}
+
+static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring,
+ sout_stream_sys_t *p_sys )
+{
+ decoder_t *p_dec = (decoder_t *)p_this;
+ picture_t *p_pic;
+ int i;
+
+ /* Find an empty space in the picture ring buffer */
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
+ {
+ if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
+ {
+ pp_ring[i]->i_status = RESERVED_PICTURE;
+ return pp_ring[i];
+ }
+ }
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
+ {
+ if( pp_ring[i] == 0 ) break;
+ }
- pic.date = frame->pts;
+ if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 )
+ {
+ int i_first_pic = p_sys->i_first_pic;
- p_block = id->p_encoder->pf_encode_video( id->p_encoder, &pic );
- if( p_block )
+ if( p_sys->i_first_pic != p_sys->i_last_pic )
+ {
+ /* Encoder still has stuff to encode, wait to clear-up the list */
+ while( p_sys->i_first_pic == i_first_pic )
+ msleep( 100000 );
+ }
+
+ /* Find an empty space in the picture ring buffer */
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
+ {
+ if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
{
- sout_buffer_t *p_out;
- p_out = sout_BufferNew( p_stream->p_sout, p_block->i_buffer );
- memcpy( p_out->p_buffer, p_block->p_buffer, p_block->i_buffer);
- sout_BufferChain( out, p_out );
- block_Release( p_block );
+ pp_ring[i]->i_status = RESERVED_PICTURE;
+ return pp_ring[i];
}
-
- return VLC_SUCCESS;
}
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
+ {
+ if( pp_ring[i] == 0 ) break;
+ }
+ }
- /* Let ffmpeg select the frame type */
- frame->pict_type = 0;
+ if( i == PICTURE_RING_SIZE )
+ {
+ msg_Err( p_this, "decoder/filter is leaking pictures, "
+ "resetting its ring buffer" );
- i_out = avcodec_encode_video( id->ff_enc_c, id->p_buffer,
- id->i_buffer, frame );
- if( i_out > 0 )
+ for( i = 0; i < PICTURE_RING_SIZE; i++ )
{
- sout_buffer_t *p_out;
- p_out = sout_BufferNew( p_stream->p_sout, i_out );
+ pp_ring[i]->pf_release( pp_ring[i] );
+ }
- memcpy( p_out->p_buffer, id->p_buffer, i_out );
+ i = 0;
+ }
- p_out->i_size = i_out;
+ p_pic = malloc( sizeof(picture_t) );
+ if( !p_pic ) return NULL;
+ p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
+ vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
+ 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 );
- if( id->ff_enc_c->coded_frame->pts != 0 &&
- p_sys->i_buggy_pts_detect != id->ff_enc_c->coded_frame->pts )
- {
- p_sys->i_buggy_pts_detect = id->ff_enc_c->coded_frame->pts;
+ if( !p_pic->i_planes )
+ {
+ free( p_pic );
+ return NULL;
+ }
- /* FIXME, 3-2 pulldown is not handled correctly */
- p_out->i_length = in->i_length;
- p_out->i_pts = id->ff_enc_c->coded_frame->pts;
+ p_pic->pf_release = video_release_buffer;
+ p_pic->p_sys = malloc( sizeof(picture_sys_t) );
+ if( !p_pic->p_sys )
+ {
+ free( p_pic );
+ return NULL;
+ }
- if( !id->ff_enc_c->delay ||
- ( id->ff_enc_c->coded_frame->pict_type != FF_I_TYPE &&
- id->ff_enc_c->coded_frame->pict_type != FF_P_TYPE ) )
- {
- p_out->i_dts = p_out->i_pts;
- }
- else
- {
- if( p_sys->i_last_ref_pts )
- {
- p_out->i_dts = p_sys->i_last_ref_pts;
- }
- else
- {
- /* Let's put something sensible */
- p_out->i_dts = p_out->i_pts;
- }
-
- p_sys->i_last_ref_pts = p_out->i_pts;
- }
- }
- else
- {
- /* Buggy libavcodec which doesn't update coded_frame->pts
- * correctly */
- p_out->i_length = in->i_length;
- p_out->i_dts = in->i_dts;
- p_out->i_pts = in->i_dts;
- }
+ p_pic->p_sys->p_owner = p_this;
+ p_pic->i_status = RESERVED_PICTURE;
- sout_BufferChain( out, p_out );
+ pp_ring[i] = p_pic;
+ return p_pic;
+}
+
+static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
+{
+ return video_new_buffer( VLC_OBJECT(p_dec),
+ p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys );
+}
+
+static picture_t *video_new_buffer_filter( filter_t *p_filter )
+{
+ return video_new_buffer( VLC_OBJECT(p_filter),
+ p_filter->p_owner->pp_pics,
+ p_filter->p_owner->p_sys );
+}
+
+static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
+{
+ VLC_UNUSED(p_this);
+ if( p_pic )
+ {
+ free( p_pic->p_data_orig );
+ free( p_pic->p_sys );
+ free( p_pic );
+ }
+}
+
+static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
+{
+ VLC_UNUSED(p_decoder);
+ p_pic->i_refcount = 0;
+ p_pic->i_status = DESTROYED_PICTURE;
+}
+
+static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
+{
+ VLC_UNUSED(p_filter);
+ p_pic->i_refcount = 0;
+ p_pic->i_status = DESTROYED_PICTURE;
+}
+
+static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
+{
+ VLC_UNUSED(p_dec);
+ p_pic->i_refcount++;
+}
+
+static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
+{
+ VLC_UNUSED(p_dec);
+ video_release_buffer( 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", 0 );
+
+ if( !id->p_decoder->p_module )
+ {
+ msg_Err( p_stream, "cannot find 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 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 );
+
+ /* 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( i_data <= 0 )
+ 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 )
+{
+ sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
+ return spu_CreateSubpicture( p_stream->p_sys->p_spu );
+}
+
+static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
+{
+ sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
+ spu_DestroySubpicture( p_stream->p_sys->p_spu, 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_FOURCC('Y','U','V','A') );
+ 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 encoder (%s)", p_sys->psz_osdenc );
+ goto error;
+ }
+
+ /* open output stream */
+ id->id = p_sys->p_out->pf_add( 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 = p_sys->p_out->pf_add( 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;
}
-/*****************************************************************************
- * transcode_video_ffmpeg_getframebuf:
- *
- * Callback used by ffmpeg to get a frame buffer.
- * We use it to get the right PTS for each decoded picture.
- *****************************************************************************/
-static int transcode_video_ffmpeg_getframebuf(struct AVCodecContext *p_context,
- AVFrame *p_frame)
+static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
{
- sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_context->opaque;
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
- /* Set PTS */
- p_frame->pts = p_sys->i_input_pts;
+ /* Close encoder */
+ if( p_sys->b_osd && 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;
- return avcodec_default_get_buffer( p_context, p_frame );
+ 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 );
+ spu_DestroySubpicture( p_sys->p_spu, 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;
}