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Remove superfluous call to mpeg_decode_slice() for hwaccel, this

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function already contains the needed code.
Patch by Gwenole Beauchesne.

Originally committed as revision 17636 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Gwenole Beauchesne 2009-02-27 08:20:45 +00:00 committed by Benoit Fouet
parent 11647a9f8c
commit 6aca2c6785
1 changed files with 19 additions and 1 deletions
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20
libavcodec/mpeg12.c
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@ -1216,7 +1216,7 @@ static enum PixelFormat mpeg_get_pixelformat(AVCodecContext *avctx){
return PIX_FMT_VDPAU_MPEG2;
}else{
if(s->chroma_format < 2)
return avctx->get_format(avctx,ff_pixfmt_list_420);
return avctx->get_format(avctx,ff_hwaccel_pixfmt_list_420);
else if(s->chroma_format == 2)
return PIX_FMT_YUV422P;
else
@ -1704,6 +1704,19 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
s->mb_x=0;
if (avctx->hwaccel) {
const uint8_t *buf_end, *buf_start = *buf - 4; /* include start_code */
int start_code = -1;
buf_end = ff_find_start_code(buf_start + 2, *buf + buf_size, &start_code);
if (buf_end < *buf + buf_size)
buf_end -= 4;
s->mb_y = mb_y;
if (avctx->hwaccel->decode_slice(avctx, buf_start, buf_end - buf_start) < 0)
return DECODE_SLICE_ERROR;
*buf = buf_end;
return DECODE_SLICE_OK;
}
for(;;) {
int code = get_vlc2(&s->gb, mbincr_vlc.table, MBINCR_VLC_BITS, 2);
if (code < 0){
@ -1922,6 +1935,11 @@ static int slice_end(AVCodecContext *avctx, AVFrame *pict)
if (!s1->mpeg_enc_ctx_allocated || !s->current_picture_ptr)
return 0;
if (s->avctx->hwaccel) {
if (s->avctx->hwaccel->end_frame(s->avctx) < 0)
av_log(avctx, AV_LOG_ERROR, "hardware accelerator failed to decode picture\n");
}
if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
ff_xvmc_field_end(s);