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author | Diego Biurrun <diego@biurrun.de> | 2013-12-23 18:42:11 +0100 |
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committer | Diego Biurrun <diego@biurrun.de> | 2014-05-27 08:54:53 -0700 |
commit | 512f3ffe9b4bb86767c2b1176554407c75fe1a5c (patch) | |
tree | 47f7c9707479b72e570c969576e2dbd94375114f /libavcodec/x86/dsputilenc_mmx.c | |
parent | 0d439fbede03854eac8a978cccf21a3425a3c82d (diff) | |
download | ffmpeg-512f3ffe9b4bb86767c2b1176554407c75fe1a5c.tar.gz |
dsputil: Split off HuffYUV encoding bits into their own context
Also shorten HuffYUV context member names to avoid clutter.
Diffstat (limited to 'libavcodec/x86/dsputilenc_mmx.c')
-rw-r--r-- | libavcodec/x86/dsputilenc_mmx.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/libavcodec/x86/dsputilenc_mmx.c b/libavcodec/x86/dsputilenc_mmx.c index dc57c691a6..79066a74e5 100644 --- a/libavcodec/x86/dsputilenc_mmx.c +++ b/libavcodec/x86/dsputilenc_mmx.c @@ -29,7 +29,6 @@ #include "libavcodec/dct.h" #include "libavcodec/dsputil.h" #include "libavcodec/mpegvideo.h" -#include "libavcodec/mathops.h" #include "dsputil_x86.h" void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size); @@ -694,70 +693,6 @@ static int vsad16_mmxext(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, } #undef SUM -static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w) -{ - x86_reg i = 0; - - __asm__ volatile ( - "1: \n\t" - "movq (%2, %0), %%mm0 \n\t" - "movq (%1, %0), %%mm1 \n\t" - "psubb %%mm0, %%mm1 \n\t" - "movq %%mm1, (%3, %0) \n\t" - "movq 8(%2, %0), %%mm0 \n\t" - "movq 8(%1, %0), %%mm1 \n\t" - "psubb %%mm0, %%mm1 \n\t" - "movq %%mm1, 8(%3, %0) \n\t" - "add $16, %0 \n\t" - "cmp %4, %0 \n\t" - " jb 1b \n\t" - : "+r" (i) - : "r" (src1), "r" (src2), "r" (dst), "r" ((x86_reg) w - 15)); - - for (; i < w; i++) - dst[i + 0] = src1[i + 0] - src2[i + 0]; -} - -static void sub_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *src1, - const uint8_t *src2, int w, - int *left, int *left_top) -{ - x86_reg i = 0; - uint8_t l, lt; - - __asm__ volatile ( - "movq (%1, %0), %%mm0 \n\t" // LT - "psllq $8, %%mm0 \n\t" - "1: \n\t" - "movq (%1, %0), %%mm1 \n\t" // T - "movq -1(%2, %0), %%mm2 \n\t" // L - "movq (%2, %0), %%mm3 \n\t" // X - "movq %%mm2, %%mm4 \n\t" // L - "psubb %%mm0, %%mm2 \n\t" - "paddb %%mm1, %%mm2 \n\t" // L + T - LT - "movq %%mm4, %%mm5 \n\t" // L - "pmaxub %%mm1, %%mm4 \n\t" // max(T, L) - "pminub %%mm5, %%mm1 \n\t" // min(T, L) - "pminub %%mm2, %%mm4 \n\t" - "pmaxub %%mm1, %%mm4 \n\t" - "psubb %%mm4, %%mm3 \n\t" // dst - pred - "movq %%mm3, (%3, %0) \n\t" - "add $8, %0 \n\t" - "movq -1(%1, %0), %%mm0 \n\t" // LT - "cmp %4, %0 \n\t" - " jb 1b \n\t" - : "+r" (i) - : "r" (src1), "r" (src2), "r" (dst), "r" ((x86_reg) w)); - - l = *left; - lt = *left_top; - - dst[0] = src2[0] - mid_pred(l, src1[0], (l + src1[0] - lt) & 0xFF); - - *left_top = src1[w - 1]; - *left = src2[w - 1]; -} - #define MMABS_MMX(a,z) \ "pxor " #z ", " #z " \n\t" \ "pcmpgtw " #a ", " #z " \n\t" \ @@ -1010,7 +945,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx, (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) c->fdct = ff_fdct_mmx; - c->diff_bytes = diff_bytes_mmx; c->sum_abs_dctelem = sum_abs_dctelem_mmx; c->sse[0] = sse16_mmx; @@ -1046,8 +980,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx, if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { c->vsad[0] = vsad16_mmxext; } - - c->sub_hfyu_median_prediction = sub_hfyu_median_prediction_mmxext; } if (INLINE_SSE2(cpu_flags)) { |