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Improve VA API buffers allocation logic. This also reduces struct vaapi_context

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down to ~60 bytes vs. a few KBs before, and gets rid of explicit VA data types.

Originally committed as revision 18256 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Gwenole Beauchesne 2009-03-31 08:33:02 +00:00
parent ccc745cdf4
commit a3d636aff9
4 changed files with 51 additions and 95 deletions
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11
libavcodec/vaapi_mpeg2.c
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@ -46,12 +46,12 @@ static int vaapi_mpeg2_start_frame(AVCodecContext *avctx, av_unused const uint8_
dprintf(avctx, "vaapi_mpeg2_start_frame()\n");
vactx->pic_param_size = sizeof(VAPictureParameterBufferMPEG2);
vactx->iq_matrix_size = sizeof(VAIQMatrixBufferMPEG2);
vactx->slice_param_size = sizeof(VASliceParameterBufferMPEG2);
/* Fill in VAPictureParameterBufferMPEG2 */
pic_param = &vactx->pic_param.mpeg2;
pic_param = ff_vaapi_alloc_picture(vactx, sizeof(VAPictureParameterBufferMPEG2));
if (!pic_param)
return -1;
pic_param->horizontal_size = s->width;
pic_param->vertical_size = s->height;
pic_param->forward_reference_picture = 0xffffffff;
@ -81,12 +81,13 @@ static int vaapi_mpeg2_start_frame(AVCodecContext *avctx, av_unused const uint8_
}
/* Fill in VAIQMatrixBufferMPEG2 */
iq_matrix = &vactx->iq_matrix.mpeg2;
iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG2));
if (!iq_matrix)
return -1;
iq_matrix->load_intra_quantiser_matrix = 1;
iq_matrix->load_non_intra_quantiser_matrix = 1;
iq_matrix->load_chroma_intra_quantiser_matrix = 1;
iq_matrix->load_chroma_non_intra_quantiser_matrix = 1;
vactx->iq_matrix_present = 1;
for (i = 0; i < 64; i++) {
int n = s->dsp.idct_permutation[ff_zigzag_direct[i]];