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initial XvMC support

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Originally committed as revision 2085 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Kalvachev
2003-07-26 01:28:49 +00:00
parent ff862be5ed
commit 2e7b4c8442
6 changed files with 356 additions and 2 deletions
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22
libavcodec/mpegvideo.c
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@@ -52,6 +52,12 @@ static int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale,
static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
#endif //CONFIG_ENCODERS
#ifdef HAVE_XVMC
extern int XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx);
extern void XVMC_field_end(MpegEncContext *s);
extern void XVMC_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
#endif
void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w)= draw_edges_c;
@@ -1028,6 +1034,10 @@ alloc:
}else
s->dct_unquantize = s->dct_unquantize_mpeg1;
#ifdef HAVE_XVMC
if(s->avctx->xvmc_acceleration)
return XVMC_field_start(s, avctx);
#endif
return 0;
}
@@ -1036,6 +1046,12 @@ void MPV_frame_end(MpegEncContext *s)
{
int i;
/* draw edge for correct motion prediction if outside */
#ifdef HAVE_XVMC
//just to make sure that all data is rendered.
if(s->avctx->xvmc_acceleration){
XVMC_field_end(s);
}else
#endif
if(s->codec_id!=CODEC_ID_SVQ1 && s->codec_id != CODEC_ID_MPEG1VIDEO){
if (s->pict_type != B_TYPE && !s->intra_only && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
draw_edges(s->current_picture.data[0], s->linesize , s->h_edge_pos , s->v_edge_pos , EDGE_WIDTH );
@@ -2382,6 +2398,12 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
{
int mb_x, mb_y;
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
#ifdef HAVE_XVMC
if(s->avctx->xvmc_acceleration){
XVMC_decode_mb(s,block);
return;
}
#endif
mb_x = s->mb_x;
mb_y = s->mb_y;