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| author | Martin Vignali <martin.vignali@gmail.com> | 2017-10-01 21:37:15 +0200 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2017-10-01 17:35:30 -0300 |
| commit | ac5908b13f16cbda396730c35f5f3125ca24577a (patch) | |
| tree | 01f49a554ed8199b7aaa5d095c859796c6c10c18 /libavcodec/exr.c | |
| parent | 59924d5eb11646f82f70c206be8a867468f102b9 (diff) | |
| download | ffmpeg-ac5908b13f16cbda396730c35f5f3125ca24577a.tar.gz | |
libavcodec/exr : add x86 SIMD for predictor
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/exr.c')
| -rw-r--r-- | libavcodec/exr.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 230d5bbca8..0b755db3cb 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -265,18 +265,6 @@ static inline uint16_t exr_halflt2uint(uint16_t v) return (v + (1 << 16)) >> (exp + 1); } -static void predictor(uint8_t *src, int size) -{ - uint8_t *t = src + 1; - uint8_t *stop = src + size; - - while (t < stop) { - int d = (int) t[-1] + (int) t[0] - 128; - t[0] = d; - ++t; - } -} - static int zip_uncompress(EXRContext *s, const uint8_t *src, int compressed_size, int uncompressed_size, EXRThreadData *td) { @@ -288,7 +276,7 @@ static int zip_uncompress(EXRContext *s, const uint8_t *src, int compressed_size av_assert1(uncompressed_size % 2 == 0); - predictor(td->tmp, uncompressed_size); + s->dsp.predictor(td->tmp, uncompressed_size); s->dsp.reorder_pixels(td->uncompressed_data, td->tmp, uncompressed_size); return 0; @@ -335,7 +323,7 @@ static int rle_uncompress(EXRContext *ctx, const uint8_t *src, int compressed_si av_assert1(uncompressed_size % 2 == 0); - predictor(td->tmp, uncompressed_size); + ctx->dsp.predictor(td->tmp, uncompressed_size); ctx->dsp.reorder_pixels(td->uncompressed_data, td->tmp, uncompressed_size); return 0; |