Commit 6a5e468d authored by Laurent Aimar's avatar Laurent Aimar

Support delaying codec open until extradata are present (avcodec).

It fixes support for VC-1 and Theora and Vorbis in avcodec decoder.
parent 221e53b1
......@@ -110,6 +110,7 @@ int InitAudioDec( decoder_t *p_dec, AVCodecContext *p_context,
p_sys->p_codec = p_codec;
p_sys->i_codec_id = i_codec_id;
p_sys->psz_namecodec = psz_namecodec;
p_sys->b_delayed_open = false;
/* ***** Fill p_context with init values ***** */
p_sys->p_context->sample_rate = p_dec->fmt_in.audio.i_rate;
......
......@@ -309,9 +309,12 @@ static void CloseDecoder( vlc_object_t *p_this )
free( p_sys->p_context->extradata );
p_sys->p_context->extradata = NULL;
vlc_mutex_lock( &avcodec_lock );
avcodec_close( p_sys->p_context );
vlc_mutex_unlock( &avcodec_lock );
if( !p_sys->b_delayed_open )
{
vlc_mutex_lock( &avcodec_lock );
avcodec_close( p_sys->p_context );
vlc_mutex_unlock( &avcodec_lock );
}
msg_Dbg( p_dec, "ffmpeg codec (%s) stopped", p_sys->psz_namecodec );
av_free( p_sys->p_context );
}
......
......@@ -249,7 +249,8 @@ extern vlc_mutex_t avcodec_lock;
int i_codec_id; \
const char *psz_namecodec; \
AVCodecContext *p_context; \
AVCodec *p_codec;
AVCodec *p_codec; \
bool b_delayed_open;
#ifndef AV_VERSION_INT
# define AV_VERSION_INT(a, b, c) ((a)<<16 | (b)<<8 | (c))
......
......@@ -60,7 +60,7 @@ struct decoder_sys_t
AVFrame *p_ff_pic;
/* for frame skipping algo */
int b_hurry_up;
bool b_hurry_up;
enum AVDiscard i_skip_frame;
enum AVDiscard i_skip_idct;
......@@ -69,7 +69,7 @@ struct decoder_sys_t
mtime_t i_late_frames_start;
/* for direct rendering */
int b_direct_rendering;
bool b_direct_rendering;
bool b_has_b_frames;
......@@ -93,6 +93,7 @@ static const AVPaletteControl palette_control;
* Local prototypes
*****************************************************************************/
static void ffmpeg_InitCodec ( decoder_t * );
static int ffmpeg_OpenCodec ( decoder_t * );
static void ffmpeg_CopyPicture ( decoder_t *, picture_t *, AVFrame * );
static int ffmpeg_GetFrameBuf ( struct AVCodecContext *, AVFrame * );
static int ffmpeg_ReGetFrameBuf( struct AVCodecContext *, AVFrame * );
......@@ -185,21 +186,15 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(decoder_sys_t) ) ) == NULL )
return VLC_ENOMEM;
p_dec->p_sys->p_context = p_context;
p_dec->p_sys->p_codec = p_codec;
p_dec->p_sys->i_codec_id = i_codec_id;
p_dec->p_sys->psz_namecodec = psz_namecodec;
p_sys->p_context = p_context;
p_sys->p_codec = p_codec;
p_sys->i_codec_id = i_codec_id;
p_sys->psz_namecodec = psz_namecodec;
p_sys->p_ff_pic = avcodec_alloc_frame();
p_sys->b_delayed_open = true;
/* ***** 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;
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
p_sys->p_context->bits_per_sample = p_dec->fmt_in.video.i_bits_per_pixel;
#else
p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.video.i_bits_per_pixel;
#endif
/* ***** Get configuration of ffmpeg plugin ***** */
p_sys->p_context->workaround_bugs =
......@@ -288,7 +283,7 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
p_sys->i_skip_idct = p_sys->p_context->skip_idct;
/* ***** ffmpeg direct rendering ***** */
p_sys->b_direct_rendering = 0;
p_sys->b_direct_rendering = false;
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) &&
......@@ -300,11 +295,11 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
{
/* 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;
p_sys->b_direct_rendering = true;
}
/* 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 = false;
if( p_sys->b_direct_rendering )
{
msg_Dbg( p_dec, "using direct rendering" );
......@@ -318,9 +313,6 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
p_sys->p_context->release_buffer = ffmpeg_ReleaseFrameBuf;
p_sys->p_context->opaque = p_dec;
/* ***** init this codec with special data ***** */
ffmpeg_InitCodec( p_dec );
/* ***** misc init ***** */
p_sys->input_pts = p_sys->input_dts = 0;
p_sys->i_pts = 0;
......@@ -376,19 +368,17 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
p_sys->p_context->palctrl = &p_sys->palette;
}
/* ***** init this codec with special data ***** */
ffmpeg_InitCodec( p_dec );
/* ***** Open the codec ***** */
vlc_mutex_lock( &avcodec_lock );
if( avcodec_open( p_sys->p_context, p_sys->p_codec ) < 0 )
if( ffmpeg_OpenCodec( p_dec ) < 0 )
{
vlc_mutex_unlock( &avcodec_lock );
msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
free( p_sys->p_buffer_orig );
free( p_sys );
return VLC_EGENERIC;
}
vlc_mutex_unlock( &avcodec_lock );
msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
return VLC_SUCCESS;
}
......@@ -403,12 +393,25 @@ picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
int b_null_size = false;
block_t *p_block;
if( !pp_block || !*pp_block ) return NULL;
if( !pp_block || !*pp_block )
return NULL;
if( !p_sys->p_context->extradata_size && p_dec->fmt_in.i_extra )
{
ffmpeg_InitCodec( p_dec );
if( p_sys->b_delayed_open )
{
if( ffmpeg_OpenCodec( p_dec ) )
msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
}
}
p_block = *pp_block;
if( p_sys->b_delayed_open )
{
block_Release( p_block );
return NULL;
}
if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
{
......@@ -780,6 +783,45 @@ static void ffmpeg_InitCodec( decoder_t *p_dec )
}
}
/*****************************************************************************
* ffmpeg_OpenCodec:
*****************************************************************************/
static int ffmpeg_OpenCodec( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->p_context->extradata_size <= 0 )
{
if( p_sys->i_codec_id == CODEC_ID_VC1 ||
p_sys->i_codec_id == CODEC_ID_VORBIS ||
p_sys->i_codec_id == CODEC_ID_THEORA )
{
msg_Warn( p_dec, "waiting for extra data for codec %s",
p_sys->psz_namecodec );
return 1;
}
}
p_sys->p_context->width = p_dec->fmt_in.video.i_width;
p_sys->p_context->height = p_dec->fmt_in.video.i_height;
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
p_sys->p_context->bits_per_sample = p_dec->fmt_in.video.i_bits_per_pixel;
#else
p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.video.i_bits_per_pixel;
#endif
vlc_mutex_lock( &avcodec_lock );
if( avcodec_open( p_sys->p_context, p_sys->p_codec ) < 0 )
{
vlc_mutex_unlock( &avcodec_lock );
return VLC_EGENERIC;
}
vlc_mutex_unlock( &avcodec_lock );
msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
p_sys->b_delayed_open = false;
return VLC_SUCCESS;
}
/*****************************************************************************
* ffmpeg_CopyPicture: copy a picture from ffmpeg internal buffers to a
* picture_t structure (when not in direct rendering mode).
......@@ -861,7 +903,7 @@ static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
p_context->pix_fmt == PIX_FMT_PAL8 )
{
msg_Dbg( p_dec, "disabling direct rendering" );
p_sys->b_direct_rendering = 0;
p_sys->b_direct_rendering = false;
return avcodec_default_get_buffer( p_context, p_ff_pic );
}
p_dec->fmt_out.i_codec = p_dec->fmt_out.video.i_chroma;
......@@ -871,7 +913,7 @@ static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
p_pic = ffmpeg_NewPictBuf( p_dec, p_sys->p_context );
if( !p_pic )
{
p_sys->b_direct_rendering = 0;
p_sys->b_direct_rendering = false;
return avcodec_default_get_buffer( p_context, p_ff_pic );
}
p_sys->p_context->draw_horiz_band = NULL;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment