static gboolean
gst_mpeg2dec_flush (GstVideoDecoder * decoder)
{
GstMpeg2dec *mpeg2dec = GST_MPEG2DEC (decoder);
/* reset the initial video state */
mpeg2dec->discont_state = MPEG2DEC_DISC_NEW_PICTURE;
mpeg2_reset (mpeg2dec->decoder, 1);
mpeg2_skip (mpeg2dec->decoder, 1);
gst_mpeg2dec_clear_buffers (mpeg2dec);
return TRUE;
}
static gboolean
gst_mpeg2dec_stop (GstVideoDecoder * decoder)
{
GstMpeg2dec *mpeg2dec = GST_MPEG2DEC (decoder);
mpeg2_reset (mpeg2dec->decoder, 0);
mpeg2_skip (mpeg2dec->decoder, 1);
gst_mpeg2dec_clear_buffers (mpeg2dec);
if (mpeg2dec->input_state)
gst_video_codec_state_unref (mpeg2dec->input_state);
mpeg2dec->input_state = NULL;
return TRUE;
}
static gboolean
gst_mpeg2dec_stop (GstVideoDecoder * decoder)
{
GstMpeg2dec *mpeg2dec = GST_MPEG2DEC (decoder);
mpeg2_reset (mpeg2dec->decoder, 0);
mpeg2_skip (mpeg2dec->decoder, 1);
gst_mpeg2dec_clear_buffers (mpeg2dec);
if (mpeg2dec->input_state)
gst_video_codec_state_unref (mpeg2dec->input_state);
mpeg2dec->input_state = NULL;
if (mpeg2dec->downstream_pool) {
gst_buffer_pool_set_active (mpeg2dec->downstream_pool, FALSE);
gst_object_unref (mpeg2dec->downstream_pool);
}
return TRUE;
}
/*****************************************************************************
* RunDecoder: the libmpeg2 decoder
*****************************************************************************/
static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
mpeg2_state_t state;
picture_t *p_pic;
block_t *p_block;
if( !pp_block || !*pp_block )
return NULL;
p_block = *pp_block;
if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY | BLOCK_FLAG_CORRUPTED) )
{
cc_Flush( &p_sys->cc );
mpeg2_reset( p_sys->p_mpeg2dec, p_sys->p_info->sequence != NULL );
DpbClean( p_dec );
}
while( 1 )
{
state = mpeg2_parse( p_sys->p_mpeg2dec );
switch( state )
{
case STATE_SEQUENCE:
{
/* */
DpbClean( p_dec );
/* */
mpeg2_custom_fbuf( p_sys->p_mpeg2dec, 1 );
/* Set the first 2 reference frames */
GetAR( p_dec );
for( int i = 0; i < 2; i++ )
{
picture_t *p_picture = DpbNewPicture( p_dec );
if( !p_picture )
{
/* Is it ok ? or do we need a reset ? */
block_Release( p_block );
return NULL;
}
PutPicture( p_dec, p_picture );
}
if( p_sys->p_synchro )
decoder_SynchroRelease( p_sys->p_synchro );
p_sys->p_synchro =
decoder_SynchroInit( p_dec, (uint32_t)((uint64_t)1001000000 * 27 /
p_sys->p_info->sequence->frame_period) );
p_sys->b_after_sequence_header = true;
break;
}
case STATE_GOP:
/* There can be userdata in a GOP. It needs to be remembered for the next picture. */
if( p_sys->p_info->user_data_len > 2 )
{
free( p_sys->p_gop_user_data );
p_sys->p_gop_user_data = calloc( p_sys->p_info->user_data_len, sizeof(uint8_t) );
if( p_sys->p_gop_user_data )
{
p_sys->i_gop_user_data = p_sys->p_info->user_data_len;
memcpy( p_sys->p_gop_user_data, p_sys->p_info->user_data, p_sys->p_info->user_data_len );
}
}
break;
case STATE_PICTURE:
{
const mpeg2_info_t *p_info = p_sys->p_info;
const mpeg2_picture_t *p_current = p_info->current_picture;
mtime_t i_pts, i_dts;
if( p_sys->b_after_sequence_header &&
(p_current->flags &
PIC_MASK_CODING_TYPE) == PIC_FLAG_CODING_TYPE_P )
{
/* Intra-slice refresh. Simulate a blank I picture. */
msg_Dbg( p_dec, "intra-slice refresh stream" );
decoder_SynchroNewPicture( p_sys->p_synchro,
I_CODING_TYPE, 2, 0, 0,
p_info->sequence->flags & SEQ_FLAG_LOW_DELAY );
decoder_SynchroDecode( p_sys->p_synchro );
decoder_SynchroEnd( p_sys->p_synchro, I_CODING_TYPE, 0 );
p_sys->b_slice_i = true;
}
p_sys->b_after_sequence_header = false;
#ifdef PIC_FLAG_PTS
i_pts = p_current->flags & PIC_FLAG_PTS ?
( ( p_current->pts ==
(uint32_t)p_sys->i_current_pts ) ?
p_sys->i_current_pts : p_sys->i_previous_pts ) : 0;
i_dts = 0;
/* Hack to handle demuxers which only have DTS timestamps */
if( !i_pts && !p_block->i_pts && p_block->i_dts > 0 )
{
if( p_info->sequence->flags & SEQ_FLAG_LOW_DELAY ||
(p_current->flags &
PIC_MASK_CODING_TYPE) == PIC_FLAG_CODING_TYPE_B )
{
i_pts = p_block->i_dts;
}
}
p_block->i_pts = p_block->i_dts = 0;
/* End hack */
#else /* New interface */
i_pts = p_current->flags & PIC_FLAG_TAGS ?
( ( p_current->tag == (uint32_t)p_sys->i_current_pts ) ?
p_sys->i_current_pts : p_sys->i_previous_pts ) : 0;
i_dts = p_current->flags & PIC_FLAG_TAGS ?
( ( p_current->tag2 == (uint32_t)p_sys->i_current_dts ) ?
p_sys->i_current_dts : p_sys->i_previous_dts ) : 0;
#endif
/* If nb_fields == 1, it is a field picture, and it will be
* followed by another field picture for which we won't call
* decoder_SynchroNewPicture() because this would have other
* problems, so we take it into account here.
* This kind of sucks, but I didn't think better. --Meuuh
*/
decoder_SynchroNewPicture( p_sys->p_synchro,
p_current->flags & PIC_MASK_CODING_TYPE,
p_current->nb_fields == 1 ? 2 :
p_current->nb_fields, i_pts, i_dts,
p_info->sequence->flags & SEQ_FLAG_LOW_DELAY );
bool b_skip = false;
if( !p_dec->b_pace_control && !p_sys->b_preroll &&
!(p_sys->b_slice_i
&& ((p_current->flags
& PIC_MASK_CODING_TYPE) == PIC_FLAG_CODING_TYPE_P))
&& !decoder_SynchroChoose( p_sys->p_synchro,
p_current->flags
& PIC_MASK_CODING_TYPE,
/*p_sys->p_vout->render_time*/ 0 /*FIXME*/,
p_info->sequence->flags & SEQ_FLAG_LOW_DELAY ) )
{
b_skip = true;
}
p_pic = NULL;
if( !b_skip )
p_pic = DpbNewPicture( p_dec );
if( b_skip || !p_pic )
{
mpeg2_skip( p_sys->p_mpeg2dec, 1 );
p_sys->b_skip = true;
decoder_SynchroTrash( p_sys->p_synchro );
PutPicture( p_dec, NULL );
if( !b_skip )
{
block_Release( p_block );
return NULL;
}
}
else
{
mpeg2_skip( p_sys->p_mpeg2dec, 0 );
p_sys->b_skip = false;
decoder_SynchroDecode( p_sys->p_synchro );
PutPicture( p_dec, p_pic );
}
if( p_info->user_data_len > 2 || p_sys->i_gop_user_data > 2 )
{
p_sys->i_cc_pts = i_pts;
p_sys->i_cc_dts = i_dts;
if( (p_current->flags
& PIC_MASK_CODING_TYPE) == PIC_FLAG_CODING_TYPE_P )
p_sys->i_cc_flags = BLOCK_FLAG_TYPE_P;
else if( (p_current->flags
& PIC_MASK_CODING_TYPE) == PIC_FLAG_CODING_TYPE_B )
p_sys->i_cc_flags = BLOCK_FLAG_TYPE_B;
else p_sys->i_cc_flags = BLOCK_FLAG_TYPE_I;
if( p_sys->i_gop_user_data > 2 )
{
/* We now have picture info for any cached user_data out of the gop */
cc_Extract( &p_sys->cc, &p_sys->p_gop_user_data[0], p_sys->i_gop_user_data );
p_sys->i_gop_user_data = 0;
}
/* Extract the CC from the user_data of the picture */
if( p_info->user_data_len > 2 )
cc_Extract( &p_sys->cc, &p_info->user_data[0], p_info->user_data_len );
}
}
break;
case STATE_BUFFER:
if( !p_block->i_buffer )
{
block_Release( p_block );
return NULL;
}
if( (p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY
| BLOCK_FLAG_CORRUPTED)) &&
p_sys->p_synchro &&
p_sys->p_info->sequence &&
p_sys->p_info->sequence->width != (unsigned)-1 )
{
decoder_SynchroReset( p_sys->p_synchro );
if( p_sys->p_info->current_fbuf != NULL &&
p_sys->p_info->current_fbuf->id != NULL )
{
p_sys->b_garbage_pic = true;
}
if( p_sys->b_slice_i )
{
decoder_SynchroNewPicture( p_sys->p_synchro,
I_CODING_TYPE, 2, 0, 0,
p_sys->p_info->sequence->flags &
SEQ_FLAG_LOW_DELAY );
decoder_SynchroDecode( p_sys->p_synchro );
decoder_SynchroEnd( p_sys->p_synchro, I_CODING_TYPE, 0 );
}
}
if( p_block->i_flags & BLOCK_FLAG_PREROLL )
{
p_sys->b_preroll = true;
}
else if( p_sys->b_preroll )
{
p_sys->b_preroll = false;
if( p_sys->p_synchro )
decoder_SynchroReset( p_sys->p_synchro );
}
#ifdef PIC_FLAG_PTS
if( p_block->i_pts )
{
mpeg2_pts( p_sys->p_mpeg2dec, (uint32_t)p_block->i_pts );
#else /* New interface */
if( p_block->i_pts || p_block->i_dts )
{
mpeg2_tag_picture( p_sys->p_mpeg2dec,
(uint32_t)p_block->i_pts,
(uint32_t)p_block->i_dts );
#endif
p_sys->i_previous_pts = p_sys->i_current_pts;
p_sys->i_current_pts = p_block->i_pts;
p_sys->i_previous_dts = p_sys->i_current_dts;
p_sys->i_current_dts = p_block->i_dts;
}
mpeg2_buffer( p_sys->p_mpeg2dec, p_block->p_buffer,
p_block->p_buffer + p_block->i_buffer );
p_block->i_buffer = 0;
break;
#if MPEG2_RELEASE >= MPEG2_VERSION (0, 5, 0)
case STATE_SEQUENCE_MODIFIED:
GetAR( p_dec );
break;
#endif
case STATE_PICTURE_2ND:
p_sys->b_second_field = true;
break;
case STATE_INVALID_END:
case STATE_END:
case STATE_SLICE:
p_pic = NULL;
if( p_sys->p_info->display_fbuf &&
p_sys->p_info->display_fbuf->id )
{
p_pic = p_sys->p_info->display_fbuf->id;
DpbDisplayPicture( p_dec, p_pic );
decoder_SynchroEnd( p_sys->p_synchro,
p_sys->p_info->display_picture->flags & PIC_MASK_CODING_TYPE,
p_sys->b_garbage_pic );
p_pic->date = decoder_SynchroDate( p_sys->p_synchro );
if( p_sys->b_garbage_pic )
p_pic->date = 0; /* ??? */
p_sys->b_garbage_pic = false;
}
if( p_sys->p_info->discard_fbuf &&
p_sys->p_info->discard_fbuf->id )
{
DpbUnlinkPicture( p_dec, p_sys->p_info->discard_fbuf->id );
}
/* For still frames */
if( state == STATE_END && p_pic )
p_pic->b_force = true;
if( p_pic )
{
/* Avoid frames with identical timestamps.
* Especially needed for still frames in DVD menus. */
if( p_sys->i_last_frame_pts == p_pic->date )
p_pic->date++;
p_sys->i_last_frame_pts = p_pic->date;
return p_pic;
}
break;
case STATE_INVALID:
{
msg_Err( p_dec, "invalid picture encountered" );
/* I don't think we have anything to do, but well without
* docs ... */
break;
}
default:
break;
}
}
/* Never reached */
return NULL;
}
/*****************************************************************************
* CloseDecoder: libmpeg2 decoder destruction
*****************************************************************************/
static void CloseDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
DpbClean( p_dec );
free( p_sys->p_gop_user_data );
if( p_sys->p_synchro ) decoder_SynchroRelease( p_sys->p_synchro );
if( p_sys->p_mpeg2dec ) mpeg2_close( p_sys->p_mpeg2dec );
free( p_sys );
}
static GstFlowReturn
handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
{
GstFlowReturn ret = GST_FLOW_OK;
GstVideoCodecFrame *frame;
const mpeg2_picture_t *picture;
gboolean key_frame = FALSE;
GstVideoCodecState *state;
GST_DEBUG_OBJECT (mpeg2dec,
"fbuf:%p display_picture:%p current_picture:%p fbuf->id:%d",
info->display_fbuf, info->display_picture, info->current_picture,
GPOINTER_TO_INT (info->display_fbuf->id) - 1);
/* Note, the fbuf-id is shifted by 1 to make the difference between
* NULL values (used by dummy buffers) and 'real' values */
frame = gst_video_decoder_get_frame (GST_VIDEO_DECODER (mpeg2dec),
GPOINTER_TO_INT (info->display_fbuf->id) - 1);
if (!frame)
goto no_frame;
picture = info->display_picture;
key_frame = (picture->flags & PIC_MASK_CODING_TYPE) == PIC_FLAG_CODING_TYPE_I;
GST_DEBUG_OBJECT (mpeg2dec, "picture flags: %d, type: %d, keyframe: %d",
picture->flags, picture->flags & PIC_MASK_CODING_TYPE, key_frame);
if (key_frame) {
mpeg2_skip (mpeg2dec->decoder, 0);
}
if (mpeg2dec->discont_state == MPEG2DEC_DISC_NEW_KEYFRAME && key_frame)
mpeg2dec->discont_state = MPEG2DEC_DISC_NONE;
if (picture->flags & PIC_FLAG_SKIP) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer because of skip flag");
ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (mpeg2dec), frame);
mpeg2_skip (mpeg2dec->decoder, 1);
return ret;
}
if (mpeg2dec->discont_state != MPEG2DEC_DISC_NONE) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer, discont state %d",
mpeg2dec->discont_state);
ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (mpeg2dec), frame);
return ret;
}
state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (mpeg2dec));
/* do cropping if the target region is smaller than the input one */
if (mpeg2dec->need_cropping && !mpeg2dec->has_cropping) {
GstVideoFrame *vframe;
if (gst_video_decoder_get_max_decode_time (GST_VIDEO_DECODER (mpeg2dec),
frame) < 0) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer crop, too late");
ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (mpeg2dec), frame);
goto beach;
}
GST_DEBUG_OBJECT (mpeg2dec, "cropping buffer");
vframe = gst_mpeg2dec_get_buffer (mpeg2dec, frame->system_frame_number);
g_assert (vframe != NULL);
ret = gst_mpeg2dec_crop_buffer (mpeg2dec, frame, vframe);
}
ret = gst_video_decoder_finish_frame (GST_VIDEO_DECODER (mpeg2dec), frame);
beach:
gst_video_codec_state_unref (state);
return ret;
no_frame:
{
GST_DEBUG ("display buffer does not have a valid frame");
return GST_FLOW_OK;
}
}
static GstFlowReturn
handle_picture (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info,
GstVideoCodecFrame * frame)
{
GstFlowReturn ret;
gint type;
const gchar *type_str = NULL;
gboolean key_frame = FALSE;
const mpeg2_picture_t *picture = info->current_picture;
GstBuffer *buffer;
ret = gst_mpeg2dec_alloc_buffer (mpeg2dec, frame, &buffer);
if (ret != GST_FLOW_OK)
return ret;
type = picture->flags & PIC_MASK_CODING_TYPE;
switch (type) {
case PIC_FLAG_CODING_TYPE_I:
key_frame = TRUE;
mpeg2_skip (mpeg2dec->decoder, 0);
type_str = "I";
break;
case PIC_FLAG_CODING_TYPE_P:
type_str = "P";
break;
case PIC_FLAG_CODING_TYPE_B:
type_str = "B";
break;
default:
gst_video_codec_frame_ref (frame);
ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (mpeg2dec), frame);
GST_VIDEO_DECODER_ERROR (mpeg2dec, 1, STREAM, DECODE,
("decoding error"), ("Invalid picture type"), ret);
return ret;
}
GST_DEBUG_OBJECT (mpeg2dec, "handle picture type %s", type_str);
GST_DEBUG_OBJECT (mpeg2dec, "picture %s, frame %i",
key_frame ? ", kf," : " ", frame->system_frame_number);
if (GST_VIDEO_INFO_IS_INTERLACED (&mpeg2dec->decoded_info)) {
/* This implies SEQ_FLAG_PROGRESSIVE_SEQUENCE is not set */
if (picture->flags & PIC_FLAG_TOP_FIELD_FIRST) {
GST_BUFFER_FLAG_SET (buffer, GST_VIDEO_BUFFER_FLAG_TFF);
}
if (!(picture->flags & PIC_FLAG_PROGRESSIVE_FRAME)) {
GST_BUFFER_FLAG_SET (buffer, GST_VIDEO_BUFFER_FLAG_INTERLACED);
}
#if MPEG2_RELEASE >= MPEG2_VERSION(0,5,0)
/* repeat field introduced in 0.5.0 */
if (picture->flags & PIC_FLAG_REPEAT_FIRST_FIELD) {
GST_BUFFER_FLAG_SET (buffer, GST_VIDEO_BUFFER_FLAG_RFF);
}
#endif
}
if (mpeg2dec->discont_state == MPEG2DEC_DISC_NEW_PICTURE && key_frame) {
mpeg2dec->discont_state = MPEG2DEC_DISC_NEW_KEYFRAME;
}
GST_DEBUG_OBJECT (mpeg2dec,
"picture: %s %s %s %s %s fields:%d ts:%"
GST_TIME_FORMAT,
(picture->flags & PIC_FLAG_PROGRESSIVE_FRAME ? "prog" : " "),
(picture->flags & PIC_FLAG_TOP_FIELD_FIRST ? "tff" : " "),
#if MPEG2_RELEASE >= MPEG2_VERSION(0,5,0)
(picture->flags & PIC_FLAG_REPEAT_FIRST_FIELD ? "rff" : " "),
#else
"unknown rff",
#endif
(picture->flags & PIC_FLAG_SKIP ? "skip" : " "),
(picture->flags & PIC_FLAG_COMPOSITE_DISPLAY ? "composite" : " "),
picture->nb_fields, GST_TIME_ARGS (frame->pts));
return ret;
}
void CMpeg2Decoder::Skip(bool fSkip)
{
if (m_pDec)
mpeg2_skip(m_pDec, fSkip);
}
static GstFlowReturn
handle_picture (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info,
GstVideoCodecFrame * frame)
{
GstVideoDecoder *decoder = (GstVideoDecoder *) mpeg2dec;
GstFlowReturn ret;
gint type;
const gchar *type_str = NULL;
gboolean key_frame = FALSE;
const mpeg2_picture_t *picture = info->current_picture;
GstVideoFrame vframe;
guint8 *buf[3];
ret = gst_video_decoder_allocate_output_frame (decoder, frame);
if (ret != GST_FLOW_OK)
return ret;
type = picture->flags & PIC_MASK_CODING_TYPE;
switch (type) {
case PIC_FLAG_CODING_TYPE_I:
key_frame = TRUE;
mpeg2_skip (mpeg2dec->decoder, 0);
type_str = "I";
break;
case PIC_FLAG_CODING_TYPE_P:
type_str = "P";
break;
case PIC_FLAG_CODING_TYPE_B:
type_str = "B";
break;
default:
gst_video_codec_frame_ref (frame);
ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (mpeg2dec), frame);
GST_VIDEO_DECODER_ERROR (mpeg2dec, 1, STREAM, DECODE,
("decoding error"), ("Invalid picture type"), ret);
return ret;
}
GST_DEBUG_OBJECT (mpeg2dec, "handle picture type %s", type_str);
GST_DEBUG_OBJECT (mpeg2dec, "picture %s, frame %i",
key_frame ? ", kf," : " ", frame->system_frame_number);
if (GST_VIDEO_INFO_IS_INTERLACED (&mpeg2dec->decoded_info)) {
/* This implies SEQ_FLAG_PROGRESSIVE_SEQUENCE is not set */
if (picture->flags & PIC_FLAG_TOP_FIELD_FIRST) {
GST_BUFFER_FLAG_SET (frame->output_buffer, GST_VIDEO_BUFFER_FLAG_TFF);
}
if (!(picture->flags & PIC_FLAG_PROGRESSIVE_FRAME)) {
GST_BUFFER_FLAG_SET (frame->output_buffer,
GST_VIDEO_BUFFER_FLAG_INTERLACED);
}
#if MPEG2_RELEASE >= MPEG2_VERSION(0,5,0)
/* repeat field introduced in 0.5.0 */
if (picture->flags & PIC_FLAG_REPEAT_FIRST_FIELD) {
GST_BUFFER_FLAG_SET (frame->output_buffer, GST_VIDEO_BUFFER_FLAG_RFF);
}
#endif
}
if (mpeg2dec->discont_state == MPEG2DEC_DISC_NEW_PICTURE && key_frame) {
mpeg2dec->discont_state = MPEG2DEC_DISC_NEW_KEYFRAME;
}
GST_DEBUG_OBJECT (mpeg2dec,
"picture: %s %s %s %s %s fields:%d ts:%"
GST_TIME_FORMAT,
(picture->flags & PIC_FLAG_PROGRESSIVE_FRAME ? "prog" : " "),
(picture->flags & PIC_FLAG_TOP_FIELD_FIRST ? "tff" : " "),
#if MPEG2_RELEASE >= MPEG2_VERSION(0,5,0)
(picture->flags & PIC_FLAG_REPEAT_FIRST_FIELD ? "rff" : " "),
#else
"unknown rff",
#endif
(picture->flags & PIC_FLAG_SKIP ? "skip" : " "),
(picture->flags & PIC_FLAG_COMPOSITE_DISPLAY ? "composite" : " "),
picture->nb_fields, GST_TIME_ARGS (frame->pts));
if (!gst_video_frame_map (&vframe, &mpeg2dec->decoded_info,
frame->output_buffer, GST_MAP_READ | GST_MAP_WRITE))
goto map_fail;
buf[0] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 0);
buf[1] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 1);
buf[2] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 2);
GST_DEBUG_OBJECT (mpeg2dec, "set_buf: %p %p %p, frame %i",
buf[0], buf[1], buf[2], frame->system_frame_number);
/* Note: We use a non-null 'id' value to make the distinction
* between the dummy buffers (which have an id of NULL) and the
* ones we did */
mpeg2_stride (mpeg2dec->decoder, vframe.info.stride[0]);
mpeg2_set_buf (mpeg2dec->decoder, buf,
GINT_TO_POINTER (frame->system_frame_number + 1));
gst_mpeg2dec_save_buffer (mpeg2dec, frame->system_frame_number, &vframe);
return ret;
map_fail:
{
GST_ELEMENT_ERROR (mpeg2dec, RESOURCE, WRITE, ("Failed to map frame"),
(NULL));
return GST_FLOW_ERROR;
}
}
