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rv34: move 4x4 dequant to RV34DSPContext

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-12-12 23:21:39 +00:00
parent 5cd56e193f
commit 40901fc14e
3 changed files with 19 additions and 16 deletions
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16
libavcodec/rv34dsp.c
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@ -100,10 +100,26 @@ static void rv34_inv_transform_noround_c(DCTELEM *block){
/** @} */ // transform
/**
* Dequantize ordinary 4x4 block.
*/
void ff_rv34_dequant4x4_neon(DCTELEM *block, int Qdc, int Q);
static void rv34_dequant4x4_c(DCTELEM *block, int Qdc, int Q)
{
int i, j;
block[0] = (block[0] * Qdc + 8) >> 4;
for (i = 0; i < 4; i++)
for (j = !i; j < 4; j++)
block[j + i*8] = (block[j + i*8] * Q + 8) >> 4;
}
av_cold void ff_rv34dsp_init(RV34DSPContext *c, DSPContext* dsp) {
c->rv34_inv_transform_tab[0] = rv34_inv_transform_c;
c->rv34_inv_transform_tab[1] = rv34_inv_transform_noround_c;
c->rv34_dequant4x4 = rv34_dequant4x4_c;
if (HAVE_NEON)
ff_rv34dsp_init_neon(c, dsp);
}