/* for frame skipping algo */
bool b_hurry_up;
enum AVDiscard i_skip_frame;
- enum AVDiscard i_skip_idct;
/* how many decoded frames are late */
int i_late_frames;
#endif
static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *,
const enum PixelFormat * );
+static picture_t *DecodeVideo( decoder_t *, block_t ** );
static uint32_t ffmpeg_CodecTag( vlc_fourcc_t fcc )
{
return decoder_NewPicture( p_dec );
}
+static int OpenVideoCodec( decoder_t *p_dec )
+{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+
+ if( p_sys->p_context->extradata_size <= 0 )
+ {
+ if( p_sys->p_codec->id == AV_CODEC_ID_VC1 ||
+ p_sys->p_codec->id == AV_CODEC_ID_THEORA )
+ {
+ msg_Warn( p_dec, "waiting for extra data for codec %s",
+ p_sys->p_codec->name );
+ return 1;
+ }
+ }
+
+ p_sys->p_context->width = p_dec->fmt_in.video.i_visible_width;
+ p_sys->p_context->height = p_dec->fmt_in.video.i_visible_height;
+ if (p_sys->p_context->width == 0)
+ p_sys->p_context->width = p_dec->fmt_in.video.i_width;
+ else if (p_sys->p_context->width != p_dec->fmt_in.video.i_width)
+ p_sys->p_context->coded_width = p_dec->fmt_in.video.i_width;
+ if (p_sys->p_context->height == 0)
+ p_sys->p_context->height = p_dec->fmt_in.video.i_height;
+ else if (p_sys->p_context->height != p_dec->fmt_in.video.i_height)
+ p_sys->p_context->coded_height = p_dec->fmt_in.video.i_height;
+ p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.video.i_bits_per_pixel;
+
+ int ret = ffmpeg_OpenCodec( p_dec );
+ if( ret < 0 )
+ return ret;
+
+#ifdef HAVE_AVCODEC_MT
+ switch( p_sys->p_context->active_thread_type )
+ {
+ case FF_THREAD_FRAME:
+ msg_Dbg( p_dec, "using frame thread mode with %d threads",
+ p_sys->p_context->thread_count );
+ break;
+ case FF_THREAD_SLICE:
+ msg_Dbg( p_dec, "using slice thread mode with %d threads",
+ p_sys->p_context->thread_count );
+ break;
+ case 0:
+ if( p_sys->p_context->thread_count > 1 )
+ msg_Warn( p_dec, "failed to enable threaded decoding" );
+ break;
+ default:
+ msg_Warn( p_dec, "using unknown thread mode with %d threads",
+ p_sys->p_context->thread_count );
+ break;
+ }
+#endif
+ return VLC_SUCCESS;
+}
+
/*****************************************************************************
* InitVideo: initialize the video decoder
*****************************************************************************
* opened (done after the first decoded frame).
*****************************************************************************/
int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
- AVCodec *p_codec, int i_codec_id, const char *psz_namecodec )
+ const AVCodec *p_codec )
{
decoder_sys_t *p_sys;
int i_val;
if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(decoder_sys_t) ) ) == NULL )
return VLC_ENOMEM;
- p_codec->type = AVMEDIA_TYPE_VIDEO;
- p_context->codec_type = AVMEDIA_TYPE_VIDEO;
- p_context->codec_id = i_codec_id;
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;
p_sys->p_va = NULL;
vlc_sem_init( &p_sys->sem_mt, 0 );
/* ***** Fill p_context with init values ***** */
- p_sys->p_context->codec_tag = ffmpeg_CodecTag( p_dec->fmt_in.i_original_fourcc ?: p_dec->fmt_in.i_codec );
+ p_context->codec_tag = ffmpeg_CodecTag( p_dec->fmt_in.i_original_fourcc ?: p_dec->fmt_in.i_codec );
/* ***** Get configuration of ffmpeg plugin ***** */
- p_sys->p_context->workaround_bugs =
+ p_context->workaround_bugs =
var_InheritInteger( p_dec, "avcodec-workaround-bugs" );
- p_sys->p_context->err_recognition =
+ p_context->err_recognition =
var_InheritInteger( p_dec, "avcodec-error-resilience" );
if( var_CreateGetBool( p_dec, "grayscale" ) )
- p_sys->p_context->flags |= CODEC_FLAG_GRAY;
+ p_context->flags |= CODEC_FLAG_GRAY;
/* ***** Output always the frames ***** */
#if LIBAVCODEC_VERSION_CHECK(55, 23, 1, 40, 101)
- p_sys->p_context->flags |= CODEC_FLAG_OUTPUT_CORRUPT;
+ p_context->flags |= CODEC_FLAG_OUTPUT_CORRUPT;
#endif
- i_val = var_CreateGetInteger( p_dec, "avcodec-vismv" );
- if( i_val ) p_sys->p_context->debug_mv = i_val;
-
i_val = var_CreateGetInteger( p_dec, "avcodec-skiploopfilter" );
- if( i_val >= 4 ) p_sys->p_context->skip_loop_filter = AVDISCARD_ALL;
- else if( i_val == 3 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONKEY;
- else if( i_val == 2 ) p_sys->p_context->skip_loop_filter = AVDISCARD_BIDIR;
- else if( i_val == 1 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONREF;
+ if( i_val >= 4 ) p_context->skip_loop_filter = AVDISCARD_ALL;
+ else if( i_val == 3 ) p_context->skip_loop_filter = AVDISCARD_NONKEY;
+ else if( i_val == 2 ) p_context->skip_loop_filter = AVDISCARD_BIDIR;
+ else if( i_val == 1 ) p_context->skip_loop_filter = AVDISCARD_NONREF;
if( var_CreateGetBool( p_dec, "avcodec-fast" ) )
- p_sys->p_context->flags2 |= CODEC_FLAG2_FAST;
+ p_context->flags2 |= CODEC_FLAG2_FAST;
/* ***** libavcodec frame skipping ***** */
p_sys->b_hurry_up = var_CreateGetBool( p_dec, "avcodec-hurry-up" );
i_val = var_CreateGetInteger( p_dec, "avcodec-skip-frame" );
- if( i_val >= 4 ) p_sys->p_context->skip_frame = AVDISCARD_ALL;
- else if( i_val == 3 ) p_sys->p_context->skip_frame = AVDISCARD_NONKEY;
- else if( i_val == 2 ) p_sys->p_context->skip_frame = AVDISCARD_BIDIR;
- else if( i_val == 1 ) p_sys->p_context->skip_frame = AVDISCARD_NONREF;
- else if( i_val == -1 ) p_sys->p_context->skip_frame = AVDISCARD_NONE;
- else p_sys->p_context->skip_frame = AVDISCARD_DEFAULT;
- p_sys->i_skip_frame = p_sys->p_context->skip_frame;
+ if( i_val >= 4 ) p_context->skip_frame = AVDISCARD_ALL;
+ else if( i_val == 3 ) p_context->skip_frame = AVDISCARD_NONKEY;
+ else if( i_val == 2 ) p_context->skip_frame = AVDISCARD_BIDIR;
+ else if( i_val == 1 ) p_context->skip_frame = AVDISCARD_NONREF;
+ else if( i_val == -1 ) p_context->skip_frame = AVDISCARD_NONE;
+ else p_context->skip_frame = AVDISCARD_DEFAULT;
+ p_sys->i_skip_frame = p_context->skip_frame;
i_val = var_CreateGetInteger( p_dec, "avcodec-skip-idct" );
- if( i_val >= 4 ) p_sys->p_context->skip_idct = AVDISCARD_ALL;
- else if( i_val == 3 ) p_sys->p_context->skip_idct = AVDISCARD_NONKEY;
- else if( i_val == 2 ) p_sys->p_context->skip_idct = AVDISCARD_BIDIR;
- else if( i_val == 1 ) p_sys->p_context->skip_idct = AVDISCARD_NONREF;
- else if( i_val == -1 ) p_sys->p_context->skip_idct = AVDISCARD_NONE;
- else p_sys->p_context->skip_idct = AVDISCARD_DEFAULT;
- p_sys->i_skip_idct = p_sys->p_context->skip_idct;
+ if( i_val >= 4 ) p_context->skip_idct = AVDISCARD_ALL;
+ else if( i_val == 3 ) p_context->skip_idct = AVDISCARD_NONKEY;
+ else if( i_val == 2 ) p_context->skip_idct = AVDISCARD_BIDIR;
+ else if( i_val == 1 ) p_context->skip_idct = AVDISCARD_NONREF;
+ else if( i_val == -1 ) p_context->skip_idct = AVDISCARD_NONE;
+ else p_context->skip_idct = AVDISCARD_DEFAULT;
/* ***** libavcodec direct rendering ***** */
p_sys->b_direct_rendering = false;
p_sys->i_direct_rendering_used = -1;
if( var_CreateGetBool( p_dec, "avcodec-dr" ) &&
- (p_sys->p_codec->capabilities & CODEC_CAP_DR1) &&
+ (p_codec->capabilities & CODEC_CAP_DR1) &&
/* No idea why ... but this fixes flickering on some TSCC streams */
- p_sys->i_codec_id != AV_CODEC_ID_TSCC && p_sys->i_codec_id != AV_CODEC_ID_CSCD &&
- p_sys->i_codec_id != AV_CODEC_ID_CINEPAK &&
- !p_sys->p_context->debug_mv )
+ p_sys->p_codec->id != AV_CODEC_ID_TSCC &&
+ p_sys->p_codec->id != AV_CODEC_ID_CSCD &&
+ p_sys->p_codec->id != AV_CODEC_ID_CINEPAK )
{
/* Some codecs set pix_fmt only after the 1st frame has been decoded,
* so we need to do another check in ffmpeg_GetFrameBuf() */
if( p_sys->b_direct_rendering )
{
msg_Dbg( p_dec, "trying to use direct rendering" );
- p_sys->p_context->flags |= CODEC_FLAG_EMU_EDGE;
+ p_context->flags |= CODEC_FLAG_EMU_EDGE;
}
else
{
msg_Dbg( p_dec, "direct rendering is disabled" );
}
- p_sys->p_context->get_format = ffmpeg_GetFormat;
+ p_context->get_format = ffmpeg_GetFormat;
/* Always use our get_buffer wrapper so we can calculate the
* PTS correctly */
#if LIBAVCODEC_VERSION_MAJOR >= 55
- p_sys->p_context->get_buffer2 = lavc_GetFrame;
+ p_context->get_buffer2 = lavc_GetFrame;
#else
- p_sys->p_context->get_buffer = ffmpeg_GetFrameBuf;
- p_sys->p_context->reget_buffer = avcodec_default_reget_buffer;
- p_sys->p_context->release_buffer = ffmpeg_ReleaseFrameBuf;
+ p_context->get_buffer = ffmpeg_GetFrameBuf;
+ p_context->reget_buffer = avcodec_default_reget_buffer;
+ p_context->release_buffer = ffmpeg_ReleaseFrameBuf;
#endif
- p_sys->p_context->opaque = p_dec;
+ p_context->opaque = p_dec;
#ifdef HAVE_AVCODEC_MT
int i_thread_count = var_InheritInteger( p_dec, "avcodec-threads" );
}
i_thread_count = __MIN( i_thread_count, 16 );
msg_Dbg( p_dec, "allowing %d thread(s) for decoding", i_thread_count );
- p_sys->p_context->thread_count = i_thread_count;
- p_sys->p_context->thread_safe_callbacks = true;
+ p_context->thread_count = i_thread_count;
+ p_context->thread_safe_callbacks = true;
- switch( i_codec_id )
+ switch( p_codec->id )
{
case AV_CODEC_ID_MPEG4:
case AV_CODEC_ID_H263:
- p_sys->p_context->thread_type = 0;
+ p_context->thread_type = 0;
break;
case AV_CODEC_ID_MPEG1VIDEO:
case AV_CODEC_ID_MPEG2VIDEO:
- p_sys->p_context->thread_type &= ~FF_THREAD_SLICE;
+ p_context->thread_type &= ~FF_THREAD_SLICE;
/* fall through */
# if (LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55, 1, 0))
case AV_CODEC_ID_H264:
case AV_CODEC_ID_VC1:
case AV_CODEC_ID_WMV3:
- p_sys->p_context->thread_type &= ~FF_THREAD_FRAME;
+ p_context->thread_type &= ~FF_THREAD_FRAME;
# endif
+ default:
+ break;
}
- if( p_sys->p_context->thread_type & FF_THREAD_FRAME )
- p_dec->i_extra_picture_buffers = 2 * p_sys->p_context->thread_count;
+ /* Workaround: frame multithreading is not compatible with
+ * DXVA2. When a frame is being copied to host memory, the frame
+ * is locked and cannot be used as a reference frame
+ * simultaneously and thus decoding fails for some frames. This
+ * causes major image corruption. */
+# if defined(_WIN32)
+ char *avcodec_hw = var_InheritString( p_dec, "avcodec-hw" );
+ if( avcodec_hw == NULL || strcasecmp( avcodec_hw, "none" ) )
+ {
+ msg_Warn( p_dec, "threaded frame decoding is not compatible with DXVA2, disabled" );
+ p_context->thread_type &= ~FF_THREAD_FRAME;
+ }
+ free( avcodec_hw );
+# endif
+
+ if( p_context->thread_type & FF_THREAD_FRAME )
+ p_dec->i_extra_picture_buffers = 2 * p_context->thread_count;
#endif
/* ***** misc init ***** */
ffmpeg_InitCodec( p_dec );
/* ***** Open the codec ***** */
- if( ffmpeg_OpenCodec( p_dec ) < 0 )
+ if( OpenVideoCodec( p_dec ) < 0 )
{
- msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
- av_free( p_sys->p_ff_pic );
+ avcodec_free_frame( &p_sys->p_ff_pic );
vlc_sem_destroy( &p_sys->sem_mt );
free( p_sys );
return VLC_EGENERIC;
}
+ p_dec->pf_decode_video = DecodeVideo;
return VLC_SUCCESS;
}
/*****************************************************************************
* DecodeVideo: Called to decode one or more frames
*****************************************************************************/
-picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
+static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
AVCodecContext *p_context = p_sys->p_context;
{
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 );
- }
+ OpenVideoCodec( p_dec );
}
p_block = *pp_block;
i_used = avcodec_decode_video2( p_context, p_sys->p_ff_pic,
&b_gotpicture, &pkt );
+ av_free_packet( &pkt );
wait_mt( p_sys );
if( p_dec->fmt_in.video.i_frame_rate > 0 &&
p_dec->fmt_in.video.i_frame_rate_base > 0 )
{
- p_sys->i_pts += INT64_C(1000000) *
+ p_sys->i_pts += CLOCK_FREQ *
(2 + p_sys->p_ff_pic->repeat_pict) *
p_dec->fmt_in.video.i_frame_rate_base /
(2 * p_dec->fmt_in.video.i_frame_rate);
if( i_tick <= 0 )
i_tick = 1;
- p_sys->i_pts += INT64_C(1000000) *
+ p_sys->i_pts += CLOCK_FREQ *
(2 + p_sys->p_ff_pic->repeat_pict) *
i_tick * p_context->time_base.num /
(2 * p_context->time_base.den);
wait_mt( p_sys );
if( p_sys->p_ff_pic )
- av_free( p_sys->p_ff_pic );
+ avcodec_free_frame( &p_sys->p_ff_pic );
if( p_sys->p_va )
vlc_va_Delete( p_sys->p_va );
if( !i_size ) return;
- if( p_sys->i_codec_id == AV_CODEC_ID_SVQ3 )
+ if( p_sys->p_codec->id == AV_CODEC_ID_SVQ3 )
{
uint8_t *p;
uint8_t *p_dst, *p_src;
int i_src_stride, i_dst_stride;
+ if( p_sys->p_context->pix_fmt == PIX_FMT_PAL8 )
+ {
+ if( !p_pic->format.p_palette )
+ p_pic->format.p_palette = calloc( 1, sizeof(video_palette_t) );
+
+ if( p_pic->format.p_palette )
+ {
+ p_pic->format.p_palette->i_entries = AVPALETTE_COUNT;
+ memcpy( p_pic->format.p_palette->palette, p_ff_pic->data[1], AVPALETTE_SIZE );
+ }
+ }
+
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
p_src = p_ff_pic->data[i_plane];
static picture_t *ffmpeg_dr_GetFrameBuf(struct AVCodecContext *p_context)
{
decoder_t *p_dec = (decoder_t *)p_context->opaque;
- decoder_sys_t *p_sys = p_dec->p_sys;
int i_width = p_context->width;
int i_height = p_context->height;
for( int i = 0; i < p_pic->i_planes; i++ )
{
unsigned i_align;
- switch( p_sys->i_codec_id )
+ switch( p_context->codec_id )
{
case AV_CODEC_ID_SVQ1:
case AV_CODEC_ID_VP5:
projects / vlc / blobdiff