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author | Diego Biurrun <diego@biurrun.de> | 2014-02-03 14:29:09 -0800 |
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committer | Diego Biurrun <diego@biurrun.de> | 2014-07-09 08:05:26 -0700 |
commit | f46bb608d9d76c543e4929dc8cffe36b84bd789e (patch) | |
tree | ef0102f44eccb8378c090aad202d8aa284c0463e /libavcodec/ppc/dsputil_altivec.c | |
parent | 0569a7e0bd2006d9a5248d17a1f4bf3ca654ae50 (diff) | |
download | ffmpeg-f46bb608d9d76c543e4929dc8cffe36b84bd789e.tar.gz |
dsputil: Split off pixel block routines into their own context
Diffstat (limited to 'libavcodec/ppc/dsputil_altivec.c')
-rw-r--r-- | libavcodec/ppc/dsputil_altivec.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/libavcodec/ppc/dsputil_altivec.c b/libavcodec/ppc/dsputil_altivec.c index efb4a18535..2dfe17bbbf 100644 --- a/libavcodec/ppc/dsputil_altivec.c +++ b/libavcodec/ppc/dsputil_altivec.c @@ -402,105 +402,6 @@ static int sse16_altivec(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, return s; } -static void get_pixels_altivec(int16_t *restrict block, const uint8_t *pixels, - int line_size) -{ - int i; - vector unsigned char perm = vec_lvsl(0, pixels); - const vector unsigned char zero = - (const vector unsigned char) vec_splat_u8(0); - - for (i = 0; i < 8; i++) { - /* Read potentially unaligned pixels. - * We're reading 16 pixels, and actually only want 8, - * but we simply ignore the extras. */ - vector unsigned char pixl = vec_ld(0, pixels); - vector unsigned char pixr = vec_ld(7, pixels); - vector unsigned char bytes = vec_perm(pixl, pixr, perm); - - // Convert the bytes into shorts. - vector signed short shorts = (vector signed short) vec_mergeh(zero, - bytes); - - // Save the data to the block, we assume the block is 16-byte aligned. - vec_st(shorts, i * 16, (vector signed short *) block); - - pixels += line_size; - } -} - -static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1, - const uint8_t *s2, int stride) -{ - int i; - vector unsigned char perm1 = vec_lvsl(0, s1); - vector unsigned char perm2 = vec_lvsl(0, s2); - const vector unsigned char zero = - (const vector unsigned char) vec_splat_u8(0); - vector signed short shorts1, shorts2; - - for (i = 0; i < 4; i++) { - /* Read potentially unaligned pixels. - * We're reading 16 pixels, and actually only want 8, - * but we simply ignore the extras. */ - vector unsigned char pixl = vec_ld(0, s1); - vector unsigned char pixr = vec_ld(15, s1); - vector unsigned char bytes = vec_perm(pixl, pixr, perm1); - - // Convert the bytes into shorts. - shorts1 = (vector signed short) vec_mergeh(zero, bytes); - - // Do the same for the second block of pixels. - pixl = vec_ld(0, s2); - pixr = vec_ld(15, s2); - bytes = vec_perm(pixl, pixr, perm2); - - // Convert the bytes into shorts. - shorts2 = (vector signed short) vec_mergeh(zero, bytes); - - // Do the subtraction. - shorts1 = vec_sub(shorts1, shorts2); - - // Save the data to the block, we assume the block is 16-byte aligned. - vec_st(shorts1, 0, (vector signed short *) block); - - s1 += stride; - s2 += stride; - block += 8; - - /* The code below is a copy of the code above... - * This is a manual unroll. */ - - /* Read potentially unaligned pixels. - * We're reading 16 pixels, and actually only want 8, - * but we simply ignore the extras. */ - pixl = vec_ld(0, s1); - pixr = vec_ld(15, s1); - bytes = vec_perm(pixl, pixr, perm1); - - // Convert the bytes into shorts. - shorts1 = (vector signed short) vec_mergeh(zero, bytes); - - // Do the same for the second block of pixels. - pixl = vec_ld(0, s2); - pixr = vec_ld(15, s2); - bytes = vec_perm(pixl, pixr, perm2); - - // Convert the bytes into shorts. - shorts2 = (vector signed short) vec_mergeh(zero, bytes); - - // Do the subtraction. - shorts1 = vec_sub(shorts1, shorts2); - - // Save the data to the block, we assume the block is 16-byte aligned. - vec_st(shorts1, 0, (vector signed short *) block); - - s1 += stride; - s2 += stride; - block += 8; - } -} - static int hadamard8_diff8x8_altivec(MpegEncContext *s, uint8_t *dst, uint8_t *src, int stride, int h) { @@ -854,12 +755,6 @@ av_cold void ff_dsputil_init_altivec(DSPContext *c, AVCodecContext *avctx, c->sse[0] = sse16_altivec; c->sse[1] = sse8_altivec; - c->diff_pixels = diff_pixels_altivec; - - if (!high_bit_depth) { - c->get_pixels = get_pixels_altivec; - } - c->hadamard8_diff[0] = hadamard8_diff16_altivec; c->hadamard8_diff[1] = hadamard8_diff8x8_altivec; } |