On Thu, Jun 04, 2015 at 01:31:48PM +0530, shivraj.pa...@imgtec.com wrote:
> From: Shivraj Patil <shivraj.pa...@imgtec.com>
>
> This patch adds MSA (MIPS-SIMD-Arch) optimizations for HEVC loop filter and
> sao functions in new file hevc_lpf_sao_msa.c
> Adds new generic macros (needed for this patch) in
> libavutil/mips/generic_macros_msa.h
[...]
> +static void sao_band_filter_0_8_c(uint8_t *dst, uint8_t *src,
> + ptrdiff_t stride_dst, ptrdiff_t stride_src,
> + int16_t *sao_offset_val, int
> sao_left_class,
> + int width, int height)
> +{
> + int offset_table[32] = { 0 };
> + int k, y, x;
> + int shift = 8 - 5;
> +
> + stride_dst /= sizeof(uint8_t);
> + stride_src /= sizeof(uint8_t);
> +
> + for (k = 0; k < 4; k++)
> + offset_table[(k + sao_left_class) & 31] = sao_offset_val[k + 1];
> + for (y = 0; y < height; y++) {> + for (x = 0; x < width; x++) > + dst[x] = av_clip_uint8_c(src[x] + offset_table[src[x] >> shift]); why does this use av_clip_uint8_c() instead of av_clip_uint8() ? also thats not the only occurance of av_clip_uint8_c() [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB During times of universal deceit, telling the truth becomes a revolutionary act. -- George Orwell
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