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diracdec: decode HQ profile slices in rows

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Siginificantly improves the performance.

Signed-off-by: Rostislav Pehlivanov <rpehlivanov@obe.tv>
This commit is contained in:
Rostislav Pehlivanov 2016-06-23 18:06:58 +01:00 committed by Rostislav Pehlivanov
parent 17caae7202
commit b9c6c5f453
1 changed files with 11 additions and 2 deletions
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13
libavcodec/diracdec.c
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@ -806,6 +806,16 @@ static int decode_hq_slice(AVCodecContext *avctx, void *arg)
return 0;
}
static int decode_hq_slice_row(AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
{
int i;
DiracContext *s = avctx->priv_data;
DiracSlice *slices = ((DiracSlice *)arg) + s->num_x*jobnr;
for (i = 0; i < s->num_x; i++)
decode_hq_slice(avctx, &slices[i]);
return 0;
}
/**
* Dirac Specification ->
* 13.5.1 low_delay_transform_data()
@ -857,8 +867,7 @@ static int decode_lowdelay(DiracContext *s)
bufsize = 0;
}
}
avctx->execute(avctx, decode_hq_slice, slices, NULL, slice_num,
sizeof(DiracSlice));
avctx->execute2(avctx, decode_hq_slice_row, slices, NULL, s->num_y);
} else {
for (slice_y = 0; bufsize > 0 && slice_y < s->num_y; slice_y++) {
for (slice_x = 0; bufsize > 0 && slice_x < s->num_x; slice_x++) {