/*****************************************************************************
* video.c: video decoder using the ffmpeg library
*****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: video.c,v 1.42 2003/10/27 01:04:38 gbazin Exp $
+ * Copyright (C) 1999-2001 the VideoLAN team
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Gildas Bazin <gbazin@netcourrier.com>
+ * Gildas Bazin <gbazin@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* 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> /* malloc(), free() */
-#include <string.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
#include <vlc/vlc.h>
-#include <vlc/vout.h>
-#include <vlc/decoder.h>
-#include <vlc/input.h>
-
-#ifdef HAVE_SYS_TIMES_H
-# include <sys/times.h>
-#endif
+#include <vlc_codec.h>
+#include <vlc_vout.h>
+#include <vlc_input.h> /* hmmm, just for INPUT_RATE_DEFAULT */
/* ffmpeg header */
-#ifdef HAVE_FFMPEG_AVCODEC_H
+#ifdef HAVE_LIBAVCODEC_AVCODEC_H
+# include <libavcodec/avcodec.h>
+#elif defined(HAVE_FFMPEG_AVCODEC_H)
# include <ffmpeg/avcodec.h>
#else
# include <avcodec.h>
*****************************************************************************/
struct decoder_sys_t
{
- /* Common part between video and audio decoder */
- int i_cat;
- int i_codec_id;
- char *psz_namecodec;
-
- AVCodecContext *p_context;
- AVCodec *p_codec;
+ FFMPEG_COMMON_MEMBERS
/* Video decoder specific part */
mtime_t input_pts;
+ mtime_t input_dts;
mtime_t i_pts;
AVFrame *p_ff_pic;
BITMAPINFOHEADER *p_format;
- vout_thread_t *p_vout;
-
/* for frame skipping algo */
int b_hurry_up;
- int i_frame_error;
- int i_frame_skip;
+ enum AVDiscard i_skip_frame;
+ enum AVDiscard i_skip_idct;
/* how many decoded frames are late */
int i_late_frames;
vlc_bool_t b_has_b_frames;
- int i_buffer;
- char *p_buffer;
+ /* Hack to force display of still pictures */
+ vlc_bool_t b_first_frame;
+
+ int i_buffer_orig, i_buffer;
+ char *p_buffer_orig, *p_buffer;
/* Postprocessing handle */
void *p_pp;
+ vlc_bool_t b_pp;
+ vlc_bool_t b_pp_async;
+ vlc_bool_t b_pp_init;
};
+/* FIXME (dummy palette for now) */
+static AVPaletteControl palette_control;
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
+static void ffmpeg_InitCodec ( decoder_t * );
static void ffmpeg_CopyPicture ( decoder_t *, picture_t *, AVFrame * );
static int ffmpeg_GetFrameBuf ( struct AVCodecContext *, AVFrame * );
static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *, AVFrame * );
+static uint32_t ffmpeg_CodecTag( vlc_fourcc_t fcc )
+{
+ uint8_t *p = (uint8_t*)&fcc;
+ return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
+}
+
/*****************************************************************************
* Local Functions
*****************************************************************************/
-static inline uint32_t ffmpeg_PixFmtToChroma( int i_ff_chroma )
+static uint32_t ffmpeg_PixFmtToChroma( int i_ff_chroma )
{
- /* FIXME FIXME some of them are wrong */
switch( i_ff_chroma )
{
case PIX_FMT_YUV420P:
- case PIX_FMT_YUV422:
- return( VLC_FOURCC('I','4','2','0') );
- case PIX_FMT_RGB24:
- return( VLC_FOURCC('R','V','2','4') );
+ case PIX_FMT_YUVJ420P: /* Hacky but better then chroma conversion */
+ return VLC_FOURCC('I','4','2','0');
case PIX_FMT_YUV422P:
- return( VLC_FOURCC('I','4','2','2') );
+ case PIX_FMT_YUVJ422P: /* Hacky but better then chroma conversion */
+ return VLC_FOURCC('I','4','2','2');
case PIX_FMT_YUV444P:
- return( VLC_FOURCC('I','4','4','4') );
+ case PIX_FMT_YUVJ444P: /* Hacky but better then chroma conversion */
+ return VLC_FOURCC('I','4','4','4');
+
+ case PIX_FMT_YUV422:
+ return VLC_FOURCC('Y','U','Y','2');
+
+#if defined(WORDS_BIGENDIAN)
+ case PIX_FMT_BGR8:
+ return VLC_FOURCC('R','G','B','8');
+ case PIX_FMT_BGR555:
+ return VLC_FOURCC('R','V','1','5');
+ case PIX_FMT_BGR565:
+ return VLC_FOURCC('R','V','1','6');
+ case PIX_FMT_BGR24:
+ return VLC_FOURCC('R','V','2','4');
+#else
+#if defined(PIX_FMT_RGB8)
+ case PIX_FMT_RGB8:
+ return VLC_FOURCC('R','G','B','8');
+#endif
+ case PIX_FMT_RGB555:
+ return VLC_FOURCC('R','V','1','5');
+ case PIX_FMT_RGB565:
+ return VLC_FOURCC('R','V','1','6');
+ case PIX_FMT_RGB24:
+ return VLC_FOURCC('R','V','2','4');
+#endif
+ case PIX_FMT_RGBA32:
+ return VLC_FOURCC('R','V','3','2');
+#ifdef PIX_FMT_RGBA
+ case PIX_FMT_RGBA:
+ return VLC_FOURCC('R','G','B','A');
+#endif
+ case PIX_FMT_GRAY8:
+ return VLC_FOURCC('G','R','E','Y');
+
case PIX_FMT_YUV410P:
case PIX_FMT_YUV411P:
- case PIX_FMT_BGR24:
default:
return 0;
}
}
-/* Return a Vout */
-static vout_thread_t *ffmpeg_CreateVout( decoder_t *p_dec,
- AVCodecContext *p_context )
+/* Returns a new picture buffer */
+static inline picture_t *ffmpeg_NewPictBuf( decoder_t *p_dec,
+ AVCodecContext *p_context )
{
- vout_thread_t *p_vout;
- unsigned int i_width = p_context->width;
- unsigned int i_height = p_context->height;
- uint32_t i_chroma = ffmpeg_PixFmtToChroma( p_context->pix_fmt );
- unsigned int i_aspect;
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ picture_t *p_pic;
- if( !i_width || !i_height )
+ p_dec->fmt_out.video.i_width = p_context->width;
+ p_dec->fmt_out.video.i_height = p_context->height;
+ p_dec->fmt_out.i_codec = ffmpeg_PixFmtToChroma( p_context->pix_fmt );
+
+ if( !p_context->width || !p_context->height )
{
- return( NULL ); /* Can't create a new vout without display size */
+ return NULL; /* invalid display size */
}
- if( !i_chroma )
+ if( !p_dec->fmt_out.i_codec )
{
/* we make conversion if possible*/
- i_chroma = VLC_FOURCC('I','4','2','0');
+ p_dec->fmt_out.i_codec = VLC_FOURCC('I','4','2','0');
}
-#if LIBAVCODEC_BUILD >= 4687
- i_aspect = VOUT_ASPECT_FACTOR * ( av_q2d(p_context->sample_aspect_ratio) *
- p_context->width / p_context->height );
-#else
- i_aspect = VOUT_ASPECT_FACTOR * p_context->aspect_ratio;
-#endif
- if( i_aspect == 0 )
+ /* If an aspect-ratio was specified in the input format then force it */
+ if( p_dec->fmt_in.video.i_aspect )
{
- i_aspect = VOUT_ASPECT_FACTOR * i_width / i_height;
+ p_dec->fmt_out.video.i_aspect = p_dec->fmt_in.video.i_aspect;
}
+ else
+ {
+ p_dec->fmt_out.video.i_aspect =
+ VOUT_ASPECT_FACTOR * ( av_q2d(p_context->sample_aspect_ratio) *
+ p_context->width / p_context->height );
+ p_dec->fmt_out.video.i_sar_num = p_context->sample_aspect_ratio.num;
+ p_dec->fmt_out.video.i_sar_den = p_context->sample_aspect_ratio.den;
- /* Spawn a video output if there is none. First we look for our children,
- * then we look for any other vout that might be available. */
- p_vout = vout_Request( p_dec, p_dec->p_sys->p_vout,
- i_width, i_height, i_chroma, i_aspect );
+ if( p_dec->fmt_out.video.i_aspect == 0 )
+ {
+ p_dec->fmt_out.video.i_aspect =
+ VOUT_ASPECT_FACTOR * p_context->width / p_context->height;
+ }
+ }
-#ifdef LIBAVCODEC_PP
- if( p_dec->p_sys->p_pp )
- E_(InitPostproc)( p_dec, p_dec->p_sys->p_pp, i_width, i_height,
- p_context->pix_fmt );
-#endif
+ if( p_dec->fmt_out.video.i_frame_rate > 0 &&
+ p_dec->fmt_out.video.i_frame_rate_base > 0 )
+ {
+ p_dec->fmt_out.video.i_frame_rate =
+ p_dec->fmt_in.video.i_frame_rate;
+ p_dec->fmt_out.video.i_frame_rate_base =
+ p_dec->fmt_in.video.i_frame_rate_base;
+ }
+ else if( p_context->time_base.num > 0 && p_context->time_base.den > 0 )
+ {
+ p_dec->fmt_out.video.i_frame_rate = p_context->time_base.den;
+ p_dec->fmt_out.video.i_frame_rate_base = p_context->time_base.num;
+ }
- return p_vout;
+ p_pic = p_dec->pf_vout_buffer_new( p_dec );
+
+ if( p_sys->p_pp && p_sys->b_pp && !p_sys->b_pp_init )
+ {
+ E_(InitPostproc)( p_sys->p_pp, p_context->width,
+ p_context->height, p_context->pix_fmt );
+ p_sys->b_pp_init = VLC_TRUE;
+ }
+
+ return p_pic;
}
/*****************************************************************************
* opened (done after the first decoded frame).
*****************************************************************************/
int E_(InitVideoDec)( decoder_t *p_dec, AVCodecContext *p_context,
- AVCodec *p_codec, int i_codec_id, char *psz_namecodec )
+ AVCodec *p_codec, int i_codec_id, const char *psz_namecodec )
{
decoder_sys_t *p_sys;
vlc_value_t val;
- int i_tmp;
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
{
msg_Err( p_dec, "out of memory" );
- return VLC_EGENERIC;
+ return VLC_ENOMEM;
}
+ memset( p_sys, 0, sizeof(decoder_sys_t) );
p_dec->p_sys->p_context = p_context;
p_dec->p_sys->p_codec = p_codec;
p_dec->p_sys->psz_namecodec = psz_namecodec;
p_sys->p_ff_pic = avcodec_alloc_frame();
- if( ( p_sys->p_format =
- (BITMAPINFOHEADER *)p_dec->p_fifo->p_bitmapinfoheader ) != NULL )
- {
- /* ***** Fill p_context with init values ***** */
- p_sys->p_context->width = p_sys->p_format->biWidth;
- p_sys->p_context->height = p_sys->p_format->biHeight;
- }
- else
- {
- msg_Warn( p_dec, "display informations missing" );
- p_sys->p_format = NULL;
- }
+ /* ***** Fill p_context with init values ***** */
+ p_sys->p_context->codec_tag = ffmpeg_CodecTag( p_dec->fmt_in.i_codec );
+ p_sys->p_context->width = p_dec->fmt_in.video.i_width;
+ p_sys->p_context->height = p_dec->fmt_in.video.i_height;
+ p_sys->p_context->bits_per_sample = p_dec->fmt_in.video.i_bits_per_pixel;
/* ***** Get configuration of ffmpeg plugin ***** */
- i_tmp = config_GetInt( p_dec, "ffmpeg-workaround-bugs" );
- p_sys->p_context->workaround_bugs = __MAX( __MIN( i_tmp, 99 ), 0 );
-
- i_tmp = config_GetInt( p_dec, "ffmpeg-error-resilience" );
- p_sys->p_context->error_resilience = __MAX( __MIN( i_tmp, 99 ), -1 );
+ p_sys->p_context->workaround_bugs =
+ config_GetInt( p_dec, "ffmpeg-workaround-bugs" );
+ p_sys->p_context->error_resilience =
+ config_GetInt( p_dec, "ffmpeg-error-resilience" );
var_Create( p_dec, "grayscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Get( p_dec, "grayscale", &val );
if( val.b_bool ) p_sys->p_context->flags |= CODEC_FLAG_GRAY;
- /* Decide if we set CODEC_FLAG_TRUNCATED */
-#if LIBAVCODEC_BUILD >= 4662
- var_Create( p_dec, "ffmpeg-truncated", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-truncated", &val );
- if( val.i_int > 0 ) p_sys->p_context->flags |= CODEC_FLAG_TRUNCATED;
-#endif
+ var_Create( p_dec, "ffmpeg-vismv", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_dec, "ffmpeg-vismv", &val );
+ if( val.i_int ) p_sys->p_context->debug_mv = val.i_int;
- /* ***** Open the codec ***** */
- if( avcodec_open( p_sys->p_context, p_sys->p_codec ) < 0 )
- {
- msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
- return VLC_EGENERIC;
- }
- else
- {
- msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
- }
+ var_Create( p_dec, "ffmpeg-lowres", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_dec, "ffmpeg-lowres", &val );
+ if( val.i_int > 0 && val.i_int <= 2 ) p_sys->p_context->lowres = val.i_int;
+
+ var_Create( p_dec, "ffmpeg-skiploopfilter",
+ VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_dec, "ffmpeg-skiploopfilter", &val );
+ if( val.i_int > 0 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONREF;
+ if( val.i_int > 1 ) p_sys->p_context->skip_loop_filter = AVDISCARD_BIDIR;
+ if( val.i_int > 2 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONKEY;
+ if( val.i_int > 3 ) p_sys->p_context->skip_loop_filter = AVDISCARD_ALL;
/* ***** ffmpeg frame skipping ***** */
var_Create( p_dec, "ffmpeg-hurry-up", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Get( p_dec, "ffmpeg-hurry-up", &val );
p_sys->b_hurry_up = val.b_bool;
+ var_Create( p_dec, "ffmpeg-skip-frame", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_dec, "ffmpeg-skip-frame", &val );
+ switch( val.i_int )
+ {
+ case -1:
+ p_sys->p_context->skip_frame = AVDISCARD_NONE;
+ break;
+ case 0:
+ p_sys->p_context->skip_frame = AVDISCARD_DEFAULT;
+ break;
+ case 1:
+ p_sys->p_context->skip_frame = AVDISCARD_BIDIR;
+ break;
+ case 2:
+ p_sys->p_context->skip_frame = AVDISCARD_NONKEY;
+ break;
+ case 3:
+ p_sys->p_context->skip_frame = AVDISCARD_ALL;
+ break;
+ default:
+ p_sys->p_context->skip_frame = AVDISCARD_NONE;
+ break;
+ }
+ p_sys->i_skip_frame = p_sys->p_context->skip_frame;
+
+ var_Create( p_dec, "ffmpeg-skip-idct", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_dec, "ffmpeg-skip-idct", &val );
+ switch( val.i_int )
+ {
+ case -1:
+ p_sys->p_context->skip_idct = AVDISCARD_NONE;
+ break;
+ case 0:
+ p_sys->p_context->skip_idct = AVDISCARD_DEFAULT;
+ break;
+ case 1:
+ p_sys->p_context->skip_idct = AVDISCARD_BIDIR;
+ break;
+ case 2:
+ p_sys->p_context->skip_idct = AVDISCARD_NONKEY;
+ break;
+ case 3:
+ p_sys->p_context->skip_idct = AVDISCARD_ALL;
+ break;
+ default:
+ p_sys->p_context->skip_idct = AVDISCARD_NONE;
+ break;
+ }
+ p_sys->i_skip_idct = p_sys->p_context->skip_idct;
+
/* ***** ffmpeg direct rendering ***** */
p_sys->b_direct_rendering = 0;
var_Create( p_dec, "ffmpeg-dr", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Get( p_dec, "ffmpeg-dr", &val );
if( val.b_bool && (p_sys->p_codec->capabilities & CODEC_CAP_DR1) &&
- ffmpeg_PixFmtToChroma( p_sys->p_context->pix_fmt ) &&
/* Apparently direct rendering doesn't work with YUV422P */
p_sys->p_context->pix_fmt != PIX_FMT_YUV422P &&
- !(p_sys->p_context->width % 16) && !(p_sys->p_context->height % 16) )
+ /* H264 uses too many reference frames */
+ p_sys->i_codec_id != CODEC_ID_H264 &&
+ !p_sys->p_context->debug_mv )
{
/* Some codecs set pix_fmt only after the 1st frame has been decoded,
* so we need to do another check in ffmpeg_GetFrameBuf() */
p_sys->b_direct_rendering = 1;
}
-#ifdef LIBAVCODEC_PP
- if( E_(OpenPostproc)( p_dec, &p_sys->p_pp ) == VLC_SUCCESS )
- {
- /* for now we cannot do postproc and dr */
- p_sys->b_direct_rendering = 0;
- }
-#endif
+ p_sys->p_pp = NULL;
+ p_sys->b_pp = p_sys->b_pp_async = p_sys->b_pp_init = VLC_FALSE;
+ p_sys->p_pp = E_(OpenPostproc)( p_dec, &p_sys->b_pp_async );
/* ffmpeg doesn't properly release old pictures when frames are skipped */
- if( p_sys->b_hurry_up ) p_sys->b_direct_rendering = 0;
+ //if( p_sys->b_hurry_up ) p_sys->b_direct_rendering = 0;
if( p_sys->b_direct_rendering )
{
msg_Dbg( p_dec, "using direct rendering" );
p_sys->p_context->opaque = p_dec;
/* ***** init this codec with special data ***** */
- if( p_sys->p_format && p_sys->p_format->biSize > sizeof(BITMAPINFOHEADER) )
- {
- int b_gotpicture;
- int i_size = p_sys->p_format->biSize - sizeof(BITMAPINFOHEADER);
-
- if( p_sys->i_codec_id == CODEC_ID_MPEG4 )
- {
- uint8_t *p_vol = malloc( i_size + FF_INPUT_BUFFER_PADDING_SIZE );
-
- memcpy( p_vol, &p_sys->p_format[1], i_size );
- memset( &p_vol[i_size], 0, FF_INPUT_BUFFER_PADDING_SIZE );
-
- avcodec_decode_video( p_sys->p_context, p_sys->p_ff_pic,
- &b_gotpicture, p_vol, i_size );
- free( p_vol );
- }
-#if LIBAVCODEC_BUILD >= 4666
- else if( p_sys->i_codec_id == CODEC_ID_SVQ3 )
- {
- uint8_t *p;
-
- p_sys->p_context->extradata_size = i_size + 12;
- p = p_sys->p_context->extradata =
- malloc( p_sys->p_context->extradata_size );
-
- memcpy( &p[0], "SVQ3", 4 );
- memset( &p[4], 0, 8 );
- memcpy( &p[12], &p_sys->p_format[1], i_size );
- }
-#endif
- else
- {
- p_sys->p_context->extradata_size = i_size;
- p_sys->p_context->extradata =
- malloc( i_size + FF_INPUT_BUFFER_PADDING_SIZE );
- memcpy( p_sys->p_context->extradata,
- &p_sys->p_format[1], i_size );
- memset( &((uint8_t*)p_sys->p_context->extradata)[i_size],
- 0, FF_INPUT_BUFFER_PADDING_SIZE );
- }
- }
+ ffmpeg_InitCodec( p_dec );
/* ***** misc init ***** */
- p_sys->p_vout = NULL;
- p_sys->input_pts = 0;
+ p_sys->input_pts = p_sys->input_dts = 0;
p_sys->i_pts = 0;
p_sys->b_has_b_frames = VLC_FALSE;
+ p_sys->b_first_frame = VLC_TRUE;
p_sys->i_late_frames = 0;
- p_sys->i_buffer = 1;
- p_sys->p_buffer = malloc( p_sys->i_buffer );
- p_sys->p_pp = NULL;
+ p_sys->i_buffer = 0;
+ p_sys->i_buffer_orig = 1;
+ p_sys->p_buffer_orig = p_sys->p_buffer = malloc( p_sys->i_buffer_orig );
+
+ /* Set output properties */
+ p_dec->fmt_out.i_cat = VIDEO_ES;
+ p_dec->fmt_out.i_codec = ffmpeg_PixFmtToChroma( p_context->pix_fmt );
+
+ /* Setup palette */
+ if( p_dec->fmt_in.video.p_palette )
+ p_sys->p_context->palctrl =
+ (AVPaletteControl *)p_dec->fmt_in.video.p_palette;
+ else
+ p_sys->p_context->palctrl = &palette_control;
+
+ /* ***** Open the codec ***** */
+ vlc_mutex_t *lock = var_AcquireMutex( "avcodec" );
+ if( lock == NULL )
+ {
+ free( p_sys );
+ return VLC_ENOMEM;
+ }
+
+ if( avcodec_open( p_sys->p_context, p_sys->p_codec ) < 0 )
+ {
+ vlc_mutex_unlock( lock );
+ msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+ vlc_mutex_unlock( lock );
+ msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
+
return VLC_SUCCESS;
}
/*****************************************************************************
* DecodeVideo: Called to decode one or more frames
*****************************************************************************/
-int E_(DecodeVideo)( decoder_t *p_dec, block_t *p_block )
+picture_t *E_(DecodeVideo)( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
- int i_buffer, b_drawpicture;
- char *p_buffer;
+ int b_drawpicture;
+ int b_null_size = VLC_FALSE;
+ block_t *p_block;
+
+ if( !pp_block || !*pp_block ) return NULL;
+
+ if( !p_sys->p_context->extradata_size && p_dec->fmt_in.i_extra )
+ ffmpeg_InitCodec( p_dec );
+
+ p_block = *pp_block;
+
+ if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
+ {
+ p_sys->i_buffer = 0;
+ p_sys->i_pts = 0; /* To make sure we recover properly */
+
+ p_sys->input_pts = p_sys->input_dts = 0;
+ p_sys->i_late_frames = 0;
+
+ block_Release( p_block );
- if( p_block->i_pts > 0 )
+ //if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
+ //avcodec_flush_buffers( p_sys->p_context );
+ return NULL;
+ }
+
+ if( p_block->i_flags & BLOCK_FLAG_PREROLL )
+ {
+ /* Do not care about late frames when prerolling
+ * TODO avoid decoding of non reference frame
+ * (ie all B except for H264 where it depends only on nal_ref_idc) */
+ p_sys->i_late_frames = 0;
+ }
+
+ if( !p_dec->b_pace_control && (p_sys->i_late_frames > 0) &&
+ (mdate() - p_sys->i_late_frames_start > I64C(5000000)) )
+ {
+ if( p_sys->i_pts )
+ {
+ msg_Err( p_dec, "more than 5 seconds of late video -> "
+ "dropping frame (computer too slow ?)" );
+ p_sys->i_pts = 0; /* To make sure we recover properly */
+ }
+ block_Release( p_block );
+ p_sys->i_late_frames--;
+ return NULL;
+ }
+
+ if( p_block->i_pts > 0 || p_block->i_dts > 0 )
{
p_sys->input_pts = p_block->i_pts;
+ p_sys->input_dts = p_block->i_dts;
+
+ /* Make sure we don't reuse the same timestamps twice */
+ p_block->i_pts = p_block->i_dts = 0;
}
- /* TODO implement it in a better way */
/* A good idea could be to decode all I pictures and see for the other */
- if( p_sys->b_hurry_up && p_sys->i_late_frames > 4 )
+ if( !p_dec->b_pace_control &&
+ p_sys->b_hurry_up &&
+ (p_sys->i_late_frames > 4) )
{
b_drawpicture = 0;
if( p_sys->i_late_frames < 8 )
{
- p_sys->p_context->hurry_up = 2;
+ p_sys->p_context->skip_frame =
+ (p_sys->i_skip_frame <= AVDISCARD_BIDIR) ?
+ AVDISCARD_BIDIR : p_sys->i_skip_frame;
}
else
{
/* picture too late, won't decode
* but break picture until a new I, and for mpeg4 ...*/
-
p_sys->i_late_frames--; /* needed else it will never be decrease */
block_Release( p_block );
- return VLC_SUCCESS;
+ p_sys->i_buffer = 0;
+ return NULL;
}
}
else
{
- b_drawpicture = 1;
- p_sys->p_context->hurry_up = 0;
- }
-
- if( p_sys->i_late_frames > 0 &&
- mdate() - p_sys->i_late_frames_start > I64C(5000000) )
- {
- msg_Err( p_dec, "more than 5 seconds of late video -> "
- "dropping frame (computer too slow ?)" );
- block_Release( p_block );
- p_sys->i_pts = 0; /* To make sure we recover properly */
- p_sys->i_late_frames--;
- return VLC_SUCCESS;
+ if( p_sys->b_hurry_up )
+ p_sys->p_context->skip_frame = p_sys->i_skip_frame;
+ if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
+ b_drawpicture = 1;
+ else
+ b_drawpicture = 0;
}
- if( !p_sys->p_context->width || !p_sys->p_context->height )
+ if( p_sys->p_context->width <= 0 || p_sys->p_context->height <= 0 )
{
- p_sys->p_context->hurry_up = 5;
+ if( p_sys->b_hurry_up )
+ p_sys->p_context->skip_frame = p_sys->i_skip_frame;
+ b_null_size = VLC_TRUE;
}
/*
* Do the actual decoding now
*/
+ /* Check if post-processing was enabled */
+ p_sys->b_pp = p_sys->b_pp_async;
+
/* Don't forget that ffmpeg requires a little more bytes
* that the real frame size */
- i_buffer = p_block->i_buffer;
- if( i_buffer + FF_INPUT_BUFFER_PADDING_SIZE > p_sys->i_buffer )
+ if( p_block->i_buffer > 0 )
{
- free( p_sys->p_buffer );
- p_sys->p_buffer = malloc( i_buffer + FF_INPUT_BUFFER_PADDING_SIZE );
+ p_sys->i_buffer = p_block->i_buffer;
+ if( p_sys->i_buffer + FF_INPUT_BUFFER_PADDING_SIZE >
+ p_sys->i_buffer_orig )
+ {
+ free( p_sys->p_buffer_orig );
+ p_sys->i_buffer_orig =
+ p_block->i_buffer + FF_INPUT_BUFFER_PADDING_SIZE;
+ p_sys->p_buffer_orig = malloc( p_sys->i_buffer_orig );
+ }
+ p_sys->p_buffer = p_sys->p_buffer_orig;
+ p_sys->i_buffer = p_block->i_buffer;
+ p_dec->p_libvlc->pf_memcpy( p_sys->p_buffer, p_block->p_buffer,
+ p_block->i_buffer );
+ memset( p_sys->p_buffer + p_block->i_buffer, 0,
+ FF_INPUT_BUFFER_PADDING_SIZE );
+
+ p_block->i_buffer = 0;
}
- p_buffer = p_sys->p_buffer;
- p_dec->p_vlc->pf_memcpy( p_buffer, p_block->p_buffer, p_block->i_buffer );
- memset( p_buffer + i_buffer, 0, FF_INPUT_BUFFER_PADDING_SIZE );
- while( i_buffer )
+ while( p_sys->i_buffer > 0 )
{
int i_used, b_gotpicture;
picture_t *p_pic;
i_used = avcodec_decode_video( p_sys->p_context, p_sys->p_ff_pic,
&b_gotpicture,
- p_buffer, i_buffer );
+ (uint8_t*)p_sys->p_buffer, p_sys->i_buffer );
+ if( b_null_size && p_sys->p_context->width > 0 &&
+ p_sys->p_context->height > 0 )
+ {
+ /* Reparse it to not drop the I frame */
+ b_null_size = VLC_FALSE;
+ if( p_sys->b_hurry_up )
+ p_sys->p_context->skip_frame = p_sys->i_skip_frame;
+ i_used = avcodec_decode_video( p_sys->p_context, p_sys->p_ff_pic,
+ &b_gotpicture,
+ (uint8_t*)p_sys->p_buffer, p_sys->i_buffer );
+ }
+
if( i_used < 0 )
{
- msg_Warn( p_dec, "cannot decode one frame (%d bytes)", i_buffer );
- p_sys->i_frame_error++;
+ msg_Warn( p_dec, "cannot decode one frame (%d bytes)",
+ p_sys->i_buffer );
block_Release( p_block );
- return VLC_SUCCESS;
+ return NULL;
+ }
+ else if( i_used > p_sys->i_buffer )
+ {
+ i_used = p_sys->i_buffer;
}
/* Consumed bytes */
- i_buffer -= i_used;
- p_buffer += i_used;
+ p_sys->i_buffer -= i_used;
+ p_sys->p_buffer += i_used;
/* Nothing to display */
- if( !b_gotpicture ) continue;
+ if( !b_gotpicture )
+ {
+ if( i_used == 0 ) break;
+ continue;
+ }
- /* Update frame late count*/
- if( p_sys->i_pts && p_sys->i_pts <= mdate() )
+ /* Update frame late count (except when doing preroll) */
+ if( p_sys->i_pts && decoder_GetDisplayDate(p_dec, p_sys->i_pts) <= mdate() &&
+ !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
{
p_sys->i_late_frames++;
if( p_sys->i_late_frames == 1 )
p_sys->i_late_frames = 0;
}
- if( !b_drawpicture || p_sys->p_ff_pic->linesize[0] == 0 )
+ if( !b_drawpicture || !p_sys->p_ff_pic->linesize[0] )
{
/* Do not display the picture */
+ p_pic = (picture_t *)p_sys->p_ff_pic->opaque;
+ if( !b_drawpicture && p_pic )
+ p_dec->pf_vout_buffer_del( p_dec, p_pic );
continue;
}
- if( !p_sys->b_direct_rendering )
+ if( !p_sys->p_ff_pic->opaque )
{
- p_sys->p_vout = ffmpeg_CreateVout( p_dec, p_sys->p_context );
- if( !p_sys->p_vout )
- {
- msg_Err( p_dec, "cannot create vout" );
- block_Release( p_block );
- return VLC_EGENERIC;
- }
-
/* Get a new picture */
- while( !(p_pic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 ) ) )
+ p_pic = ffmpeg_NewPictBuf( p_dec, p_sys->p_context );
+ if( !p_pic )
{
- if( p_dec->p_fifo->b_die || p_dec->p_fifo->b_error )
- {
- block_Release( p_block );
- return VLC_EGENERIC;
- }
- msleep( VOUT_OUTMEM_SLEEP );
+ block_Release( p_block );
+ return NULL;
}
/* Fill p_picture_t from AVVideoFrame and do chroma conversion
p_pic = (picture_t *)p_sys->p_ff_pic->opaque;
}
- /* Set the PTS
- * There is an ugly hack here because some demuxers pass us a dts
- * instead of a pts so this screw up things for streams with
- * B frames. */
+ /* Set the PTS */
+ if( p_sys->p_ff_pic->pts ) p_sys->i_pts = p_sys->p_ff_pic->pts;
+
+ /* Sanity check (seems to be needed for some streams) */
if( p_sys->p_ff_pic->pict_type == FF_B_TYPE )
+ {
p_sys->b_has_b_frames = VLC_TRUE;
- if( p_sys->p_ff_pic->pts &&
- ( !p_sys->p_context->has_b_frames || !p_sys->b_has_b_frames ||
- p_sys->p_ff_pic->pict_type == FF_B_TYPE ) )
+ }
+
+ if( !p_dec->fmt_in.video.i_aspect )
{
- p_sys->i_pts = p_sys->p_ff_pic->pts;
+ /* Fetch again the aspect ratio in case it changed */
+ p_dec->fmt_out.video.i_aspect =
+ VOUT_ASPECT_FACTOR
+ * ( av_q2d(p_sys->p_context->sample_aspect_ratio)
+ * p_sys->p_context->width / p_sys->p_context->height );
+ p_dec->fmt_out.video.i_sar_num
+ = p_sys->p_context->sample_aspect_ratio.num;
+ p_dec->fmt_out.video.i_sar_den
+ = p_sys->p_context->sample_aspect_ratio.den;
+
+ if( p_dec->fmt_out.video.i_aspect == 0 )
+ {
+ p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR
+ * p_sys->p_context->width / p_sys->p_context->height;
+ }
}
/* Send decoded frame to vout */
if( p_sys->i_pts )
{
- vout_DatePicture( p_sys->p_vout, p_pic, p_sys->i_pts );
- vout_DisplayPicture( p_sys->p_vout, p_pic );
+ p_pic->date = p_sys->i_pts;
/* interpolate the next PTS */
- if( p_sys->p_context->frame_rate > 0 )
+ if( p_dec->fmt_in.video.i_frame_rate > 0 &&
+ p_dec->fmt_in.video.i_frame_rate_base > 0 )
+ {
+ p_sys->i_pts += I64C(1000000) *
+ (2 + p_sys->p_ff_pic->repeat_pict) *
+ p_dec->fmt_in.video.i_frame_rate_base *
+ p_block->i_rate / INPUT_RATE_DEFAULT /
+ (2 * p_dec->fmt_in.video.i_frame_rate);
+ }
+ else if( p_sys->p_context->time_base.den > 0 )
{
p_sys->i_pts += I64C(1000000) *
(2 + p_sys->p_ff_pic->repeat_pict) *
- p_sys->p_context->frame_rate_base /
- (2 * p_sys->p_context->frame_rate);
+ p_sys->p_context->time_base.num *
+ p_block->i_rate / INPUT_RATE_DEFAULT /
+ (2 * p_sys->p_context->time_base.den);
+ }
+
+ if( p_sys->b_first_frame )
+ {
+ /* Hack to force display of still pictures */
+ p_sys->b_first_frame = VLC_FALSE;
+ p_pic->b_force = VLC_TRUE;
}
+
+ p_pic->i_nb_fields = 2 + p_sys->p_ff_pic->repeat_pict;
+ p_pic->b_progressive = !p_sys->p_ff_pic->interlaced_frame;
+ p_pic->b_top_field_first = p_sys->p_ff_pic->top_field_first;
+
+ return p_pic;
+ }
+ else
+ {
+ p_dec->pf_vout_buffer_del( p_dec, p_pic );
}
}
block_Release( p_block );
- return VLC_SUCCESS;
+ return NULL;
}
/*****************************************************************************
* EndVideo: decoder destruction
*****************************************************************************
- * This function is called when the thread ends after a sucessful
+ * This function is called when the thread ends after a successful
* initialization.
*****************************************************************************/
void E_(EndVideoDec)( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
- if( p_sys->p_ff_pic ) free( p_sys->p_ff_pic );
-
-#ifdef LIBAVCODEC_PP
+ if( p_sys->p_ff_pic ) av_free( p_sys->p_ff_pic );
E_(ClosePostproc)( p_dec, p_sys->p_pp );
-#endif
+ free( p_sys->p_buffer_orig );
+}
+
+/*****************************************************************************
+ * ffmpeg_InitCodec: setup codec extra initialization data for ffmpeg
+ *****************************************************************************/
+static void ffmpeg_InitCodec( decoder_t *p_dec )
+{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ int i_size = p_dec->fmt_in.i_extra;
+
+ if( !i_size ) return;
- free( p_sys->p_buffer );
+ if( p_sys->i_codec_id == CODEC_ID_SVQ3 )
+ {
+ uint8_t *p;
+
+ p_sys->p_context->extradata_size = i_size + 12;
+ p = p_sys->p_context->extradata =
+ malloc( p_sys->p_context->extradata_size );
+
+ memcpy( &p[0], "SVQ3", 4 );
+ memset( &p[4], 0, 8 );
+ memcpy( &p[12], p_dec->fmt_in.p_extra, i_size );
+
+ /* Now remove all atoms before the SMI one */
+ if( p_sys->p_context->extradata_size > 0x5a &&
+ strncmp( (char*)&p[0x56], "SMI ", 4 ) )
+ {
+ uint8_t *psz = &p[0x52];
- /* We are about to die. Reattach video output to p_vlc. */
- vout_Request( p_dec, p_sys->p_vout, 0, 0, 0, 0 );
+ while( psz < &p[p_sys->p_context->extradata_size - 8] )
+ {
+ int i_size = GetDWBE( psz );
+ if( i_size <= 1 )
+ {
+ /* FIXME handle 1 as long size */
+ break;
+ }
+ if( !strncmp( (char*)&psz[4], "SMI ", 4 ) )
+ {
+ memmove( &p[0x52], psz,
+ &p[p_sys->p_context->extradata_size] - psz );
+ break;
+ }
+
+ psz += i_size;
+ }
+ }
+ }
+ else if( p_dec->fmt_in.i_codec == VLC_FOURCC( 'R', 'V', '1', '0' ) ||
+ p_dec->fmt_in.i_codec == VLC_FOURCC( 'R', 'V', '1', '3' ) ||
+ p_dec->fmt_in.i_codec == VLC_FOURCC( 'R', 'V', '2', '0' ) )
+ {
+ if( p_dec->fmt_in.i_extra == 8 )
+ {
+ p_sys->p_context->extradata_size = 8;
+ p_sys->p_context->extradata = malloc( 8 );
+
+ memcpy( p_sys->p_context->extradata,
+ p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
+ p_sys->p_context->sub_id= ((uint32_t*)p_dec->fmt_in.p_extra)[1];
+
+ msg_Warn( p_dec, "using extra data for RV codec sub_id=%08x",
+ p_sys->p_context->sub_id );
+ }
+ }
+ else
+ {
+ p_sys->p_context->extradata_size = i_size;
+ p_sys->p_context->extradata =
+ malloc( i_size + FF_INPUT_BUFFER_PADDING_SIZE );
+ memcpy( p_sys->p_context->extradata,
+ p_dec->fmt_in.p_extra, i_size );
+ memset( &((uint8_t*)p_sys->p_context->extradata)[i_size],
+ 0, FF_INPUT_BUFFER_PADDING_SIZE );
+ }
}
/*****************************************************************************
if( ffmpeg_PixFmtToChroma( p_sys->p_context->pix_fmt ) )
{
-#ifdef LIBAVCODEC_PP
- if( p_sys->p_pp )
- E_(PostprocPict)( p_dec, p_sys->p_pp, p_pic, p_ff_pic );
-#else
int i_plane, i_size, i_line;
uint8_t *p_dst, *p_src;
int i_src_stride, i_dst_stride;
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
+ if( p_sys->p_pp && p_sys->b_pp )
+ E_(PostprocPict)( p_sys->p_pp, p_pic, p_ff_pic );
+ else
{
- p_src = p_ff_pic->data[i_plane];
- p_dst = p_pic->p[i_plane].p_pixels;
- i_src_stride = p_ff_pic->linesize[i_plane];
- i_dst_stride = p_pic->p[i_plane].i_pitch;
-
- i_size = __MIN( i_src_stride, i_dst_stride );
- for( i_line = 0; i_line < p_pic->p[i_plane].i_lines; i_line++ )
+ for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
- p_dec->p_vlc->pf_memcpy( p_dst, p_src, i_size );
- p_src += i_src_stride;
- p_dst += i_dst_stride;
+ p_src = p_ff_pic->data[i_plane];
+ p_dst = p_pic->p[i_plane].p_pixels;
+ i_src_stride = p_ff_pic->linesize[i_plane];
+ i_dst_stride = p_pic->p[i_plane].i_pitch;
+
+ i_size = __MIN( i_src_stride, i_dst_stride );
+ for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines;
+ i_line++ )
+ {
+ p_dec->p_libvlc->pf_memcpy( p_dst, p_src, i_size );
+ p_src += i_src_stride;
+ p_dst += i_dst_stride;
+ }
}
}
-#endif
}
else
{
/* we need to convert to I420 */
switch( p_sys->p_context->pix_fmt )
{
- case( PIX_FMT_YUV410P ):
- case( PIX_FMT_YUV411P ):
+ case PIX_FMT_YUV410P:
+ case PIX_FMT_YUV411P:
+ case PIX_FMT_RGB32:
+ case PIX_FMT_RGB24:
+#if defined(PIX_FMT_RGB8)
+ case PIX_FMT_RGB8:
+#endif
+#if defined(PIX_FMT_BRG32)
+ case PIX_FMT_BGR32:
+#endif
+ case PIX_FMT_BGR24:
+#if defined(PIX_FMT_BGR8)
+ case PIX_FMT_BGR8:
+#endif
+ case PIX_FMT_PAL8:
for( i = 0; i < p_pic->i_planes; i++ )
{
dest_pic.data[i] = p_pic->p[i].p_pixels;
dest_pic.linesize[i] = p_pic->p[i].i_pitch;
}
+#if !defined(HAVE_LIBSWSCALE_SWSCALE_H) && !defined(HAVE_FFMPEG_SWSCALE_H) && !defined(HAVE_LIBSWSCALE_TREE)
img_convert( &dest_pic, PIX_FMT_YUV420P,
(AVPicture *)p_ff_pic,
p_sys->p_context->pix_fmt,
p_sys->p_context->width,
p_sys->p_context->height );
+#endif
break;
default:
msg_Err( p_dec, "don't know how to convert chroma %i",
p_sys->p_context->pix_fmt );
- p_dec->p_fifo->b_error = 1;
+ p_dec->b_error = 1;
break;
}
}
picture_t *p_pic;
/* Set picture PTS */
- p_ff_pic->pts = p_sys->input_pts;
- p_sys->input_pts = 0;
+ if( p_sys->input_pts )
+ {
+ p_ff_pic->pts = p_sys->input_pts;
+ }
+ else if( p_sys->input_dts )
+ {
+ /* Some demuxers only set the dts so let's try to find a useful
+ * timestamp from this */
+ if( !p_context->has_b_frames || !p_sys->b_has_b_frames ||
+ !p_ff_pic->reference || !p_sys->i_pts )
+ {
+ p_ff_pic->pts = p_sys->input_dts;
+ }
+ else p_ff_pic->pts = 0;
+ }
+ else p_ff_pic->pts = 0;
+
+ if( p_sys->i_pts ) /* make sure 1st frame has a pts > 0 */
+ {
+ p_sys->input_pts = p_sys->input_dts = 0;
+ }
+
+ p_ff_pic->opaque = 0;
/* Not much to do in indirect rendering mode */
- if( !p_sys->b_direct_rendering )
+ if( !p_sys->b_direct_rendering || p_sys->b_pp )
{
return avcodec_default_get_buffer( p_context, p_ff_pic );
}
return avcodec_default_get_buffer( p_context, p_ff_pic );
}
- /* Check and (re)create our vout if needed */
- p_sys->p_vout = ffmpeg_CreateVout( p_dec, p_sys->p_context );
- if( !p_sys->p_vout )
+ /* Get a new picture */
+ //p_sys->p_vout->render.b_allow_modify_pics = 0;
+ p_pic = ffmpeg_NewPictBuf( p_dec, p_sys->p_context );
+ if( !p_pic )
{
- msg_Err( p_dec, "cannot create vout" );
- p_dec->p_fifo->b_error = 1; /* abort */
p_sys->b_direct_rendering = 0;
return avcodec_default_get_buffer( p_context, p_ff_pic );
}
-
- p_sys->p_vout->render.b_allow_modify_pics = 0;
-
- /* Get a new picture */
- while( !(p_pic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 ) ) )
- {
- if( p_dec->p_fifo->b_die || p_dec->p_fifo->b_error )
- {
- p_sys->b_direct_rendering = 0;
- return avcodec_default_get_buffer( p_context, p_ff_pic );
- }
- msleep( VOUT_OUTMEM_SLEEP );
- }
p_sys->p_context->draw_horiz_band = NULL;
p_ff_pic->opaque = (void*)p_pic;
p_ff_pic->linesize[2] = p_pic->p[2].i_pitch;
p_ff_pic->linesize[3] = 0;
- if( p_ff_pic->reference != 0 )
+ if( p_ff_pic->reference != 0 ||
+ p_sys->i_codec_id == CODEC_ID_H264 /* Bug in libavcodec */ )
{
- vout_LinkPicture( p_sys->p_vout, p_pic );
+ p_dec->pf_picture_link( p_dec, p_pic );
}
/* FIXME what is that, should give good value */
p_ff_pic->age = 256*256*256*64; // FIXME FIXME from ffmpeg
- return( 0 );
+ return 0;
}
-static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *p_context,
- AVFrame *p_ff_pic )
+static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *p_context,
+ AVFrame *p_ff_pic )
{
decoder_t *p_dec = (decoder_t *)p_context->opaque;
- decoder_sys_t *p_sys = p_dec->p_sys;
picture_t *p_pic;
- if( p_ff_pic->type != FF_BUFFER_TYPE_USER )
+ if( !p_ff_pic->opaque )
{
avcodec_default_release_buffer( p_context, p_ff_pic );
return;
p_ff_pic->data[2] = NULL;
p_ff_pic->data[3] = NULL;
- if( p_ff_pic->reference != 0 )
+ if( p_ff_pic->reference != 0 ||
+ p_dec->p_sys->i_codec_id == CODEC_ID_H264 /* Bug in libavcodec */ )
{
- vout_UnlinkPicture( p_sys->p_vout, p_pic );
+ p_dec->pf_picture_unlink( p_dec, p_pic );
}
}
projects / vlc / blobdiff