diff options
author | Diego Biurrun <diego@biurrun.de> | 2016-09-08 16:08:03 +0300 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2016-09-29 15:48:03 +0300 |
commit | 3281d823cdc7601c4900eb103958c05f59f65555 (patch) | |
tree | 3c9b505f9e52ffc6085119e1aab1c3f9efd9a118 /libavcodec | |
parent | 92c5755a185086067fe49e7e64c23a8e7011be31 (diff) |
intrax8: Change type of array stride parameters to ptrdiff_t
ptrdiff_t is the correct type for array strides and similar.
Also rename all such parameters to "stride" for consistency.
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/intrax8.c | 8 | ||||
-rw-r--r-- | libavcodec/intrax8dsp.c | 67 | ||||
-rw-r--r-- | libavcodec/intrax8dsp.h | 13 |
3 files changed, 46 insertions, 42 deletions
diff --git a/libavcodec/intrax8.c b/libavcodec/intrax8.c index eb4c1effd8..9c20c8f285 100644 --- a/libavcodec/intrax8.c +++ b/libavcodec/intrax8.c @@ -548,7 +548,7 @@ static void x8_ac_compensation(IntraX8Context *const w, const int direction, } static void dsp_x8_put_solidcolor(const uint8_t pix, uint8_t *dst, - const int linesize) + const ptrdiff_t linesize) { int k; for (k = 0; k < 8; k++) { @@ -700,7 +700,7 @@ block_placed: if (w->loopfilter) { uint8_t *ptr = w->dest[chroma]; - int linesize = w->frame->linesize[!!chroma]; + ptrdiff_t linesize = w->frame->linesize[!!chroma]; if (!((w->edges & 2) || (zeros_only && (w->orient | 4) == 4))) w->dsp.h_loop_filter(ptr, linesize, w->quant); @@ -716,8 +716,8 @@ static void x8_init_block_index(IntraX8Context *w, AVFrame *frame) { // not parent codec linesize as this would be wrong for field pics // not that IntraX8 has interlacing support ;) - const int linesize = frame->linesize[0]; - const int uvlinesize = frame->linesize[1]; + const ptrdiff_t linesize = frame->linesize[0]; + const ptrdiff_t uvlinesize = frame->linesize[1]; w->dest[0] = frame->data[0]; w->dest[1] = frame->data[1]; diff --git a/libavcodec/intrax8dsp.c b/libavcodec/intrax8dsp.c index 108cfe3bcb..bb74a6802c 100644 --- a/libavcodec/intrax8dsp.c +++ b/libavcodec/intrax8dsp.c @@ -63,8 +63,8 @@ 4 - mb_x>= (mb_width-1) last block in the row, interpolate area #5; -*/ static void x8_setup_spatial_compensation(uint8_t *src, uint8_t *dst, - int linesize, int *range, int *psum, - int edges) + ptrdiff_t stride, int *range, + int *psum, int edges) { uint8_t *ptr; int sum; @@ -98,12 +98,12 @@ static void x8_setup_spatial_compensation(uint8_t *src, uint8_t *dst, max_pix = FFMAX(max_pix, c); dst[area2 + i] = c; - ptr += linesize; + ptr += stride; } } if (!(edges & 2)) { // (mb_y != 0) // there is row above - ptr = src - linesize; // top line + ptr = src - stride; // top line for (i = 0; i < 8; i++) { c = *(ptr + i); sum += c; @@ -117,7 +117,7 @@ static void x8_setup_spatial_compensation(uint8_t *src, uint8_t *dst, memcpy(dst + area4, ptr, 16); // both area4 and 5 } // area6 always present in the above block - memcpy(dst + area6, ptr - linesize, 8); + memcpy(dst + area6, ptr - stride, 8); } // now calculate the stuff we need if (edges & 3) { // mb_x ==0 || mb_y == 0) { @@ -131,7 +131,7 @@ static void x8_setup_spatial_compensation(uint8_t *src, uint8_t *dst, sum += avg * 9; } else { // the edge pixel, in the top line and left column - uint8_t c = *(src - 1 - linesize); + uint8_t c = *(src - 1 - stride); dst[area3] = c; sum += c; // edge pixel is not part of min/max @@ -160,7 +160,7 @@ static const uint16_t zero_prediction_weights[64 * 2] = { 317, 846, 366, 731, 458, 611, 499, 499, }; -static void spatial_compensation_0(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_0(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int i, j; int x, y; @@ -208,55 +208,55 @@ static void spatial_compensation_0(uint8_t *src, uint8_t *dst, int linesize) dst[x] = ((uint32_t) top_sum[0][x] * zero_prediction_weights[y * 16 + x * 2 + 0] + (uint32_t) left_sum[0][y] * zero_prediction_weights[y * 16 + x * 2 + 1] + 0x8000) >> 16; - dst += linesize; + dst += stride; } } -static void spatial_compensation_1(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_1(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = src[area4 + FFMIN(2 * y + x + 2, 15)]; - dst += linesize; + dst += stride; } } -static void spatial_compensation_2(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_2(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = src[area4 + 1 + y + x]; - dst += linesize; + dst += stride; } } -static void spatial_compensation_3(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_3(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = src[area4 + ((y + 1) >> 1) + x]; - dst += linesize; + dst += stride; } } -static void spatial_compensation_4(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_4(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = (src[area4 + x] + src[area6 + x] + 1) >> 1; - dst += linesize; + dst += stride; } } -static void spatial_compensation_5(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_5(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; @@ -267,22 +267,22 @@ static void spatial_compensation_5(uint8_t *src, uint8_t *dst, int linesize) else dst[x] = src[area4 + x - ((y + 1) >> 1)]; } - dst += linesize; + dst += stride; } } -static void spatial_compensation_6(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_6(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = src[area3 + x - y]; - dst += linesize; + dst += stride; } } -static void spatial_compensation_7(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_7(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; @@ -293,55 +293,56 @@ static void spatial_compensation_7(uint8_t *src, uint8_t *dst, int linesize) else dst[x] = src[area2 + 8 - y + (x >> 1)]; } - dst += linesize; + dst += stride; } } -static void spatial_compensation_8(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_8(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = (src[area1 + 7 - y] + src[area2 + 7 - y] + 1) >> 1; - dst += linesize; + dst += stride; } } -static void spatial_compensation_9(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_9(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = src[area2 + 6 - FFMIN(x + y, 6)]; - dst += linesize; + dst += stride; } } -static void spatial_compensation_10(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_10(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = (src[area2 + 7 - y] * (8 - x) + src[area4 + x] * x + 4) >> 3; - dst += linesize; + dst += stride; } } -static void spatial_compensation_11(uint8_t *src, uint8_t *dst, int linesize) +static void spatial_compensation_11(uint8_t *src, uint8_t *dst, ptrdiff_t stride) { int x, y; for (y = 0; y < 8; y++) { for (x = 0; x < 8; x++) dst[x] = (src[area2 + 7 - y] * y + src[area4 + x] * (8 - y) + 4) >> 3; - dst += linesize; + dst += stride; } } -static void x8_loop_filter(uint8_t *ptr, const int a_stride, const int b_stride, int quant) +static void x8_loop_filter(uint8_t *ptr, const ptrdiff_t a_stride, + const ptrdiff_t b_stride, int quant) { int i, t; int p0, p1, p2, p3, p4, p5, p6, p7, p8, p9; @@ -434,12 +435,12 @@ static void x8_loop_filter(uint8_t *ptr, const int a_stride, const int b_stride, } } -static void x8_h_loop_filter(uint8_t *src, int stride, int qscale) +static void x8_h_loop_filter(uint8_t *src, ptrdiff_t stride, int qscale) { x8_loop_filter(src, stride, 1, qscale); } -static void x8_v_loop_filter(uint8_t *src, int stride, int qscale) +static void x8_v_loop_filter(uint8_t *src, ptrdiff_t stride, int qscale) { x8_loop_filter(src, 1, stride, qscale); } diff --git a/libavcodec/intrax8dsp.h b/libavcodec/intrax8dsp.h index 4ba1a0b47e..27e71e6243 100644 --- a/libavcodec/intrax8dsp.h +++ b/libavcodec/intrax8dsp.h @@ -19,15 +19,18 @@ #ifndef AVCODEC_INTRAX8DSP_H #define AVCODEC_INTRAX8DSP_H +#include <stddef.h> #include <stdint.h> typedef struct IntraX8DSPContext { - void (*v_loop_filter)(uint8_t *src, int stride, int qscale); - void (*h_loop_filter)(uint8_t *src, int stride, int qscale); + void (*v_loop_filter)(uint8_t *src, ptrdiff_t stride, int qscale); + void (*h_loop_filter)(uint8_t *src, ptrdiff_t stride, int qscale); - void (*spatial_compensation[12])(uint8_t *src, uint8_t *dst, int linesize); - void (*setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize, - int *range, int *sum, int edges); + void (*spatial_compensation[12])(uint8_t *src, uint8_t *dst, + ptrdiff_t stride); + void (*setup_spatial_compensation)(uint8_t *src, uint8_t *dst, + ptrdiff_t stride, int *range, + int *sum, int edges); } IntraX8DSPContext; void ff_intrax8dsp_init(IntraX8DSPContext *dsp); 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