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ffmpeg
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prores: initialise encoder and decoder parts only when needed

This commit is contained in:
Kostya Shishkov 2012-02-17 09:46:53 +01:00
parent 25c42234a9
commit 5d9ad5425f
1 changed files with 10 additions and 2 deletions
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12
libavcodec/proresdsp.c
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@ -29,6 +29,7 @@
#define CLIP_AND_BIAS(x) (av_clip((x) + BIAS, CLIP_MIN, CLIP_MAX))
#if CONFIG_PRORES_DECODER
/**
* Add bias value, clamp and output pixels of a slice
*/
@ -50,7 +51,9 @@ static void prores_idct_put_c(uint16_t *out, int linesize, DCTELEM *block, const
ff_prores_idct(block, qmat);
put_pixels(out, linesize >> 1, block);
}
#endif
#if CONFIG_PRORES_ENCODER
static void prores_fdct_c(const uint16_t *src, int linesize, DCTELEM *block)
{
int x, y;
@ -63,18 +66,23 @@ static void prores_fdct_c(const uint16_t *src, int linesize, DCTELEM *block)
}
ff_jpeg_fdct_islow_10(block);
}
#endif
void ff_proresdsp_init(ProresDSPContext *dsp)
{
#if CONFIG_PRORES_DECODER
dsp->idct_put = prores_idct_put_c;
dsp->idct_permutation_type = FF_NO_IDCT_PERM;
dsp->fdct = prores_fdct_c;
dsp->dct_permutation_type = FF_NO_IDCT_PERM;
if (HAVE_MMX) ff_proresdsp_x86_init(dsp);
ff_init_scantable_permutation(dsp->idct_permutation,
dsp->idct_permutation_type);
#endif
#if CONFIG_PRORES_ENCODER
dsp->fdct = prores_fdct_c;
dsp->dct_permutation_type = FF_NO_IDCT_PERM;
ff_init_scantable_permutation(dsp->dct_permutation,
dsp->dct_permutation_type);
#endif
}