Module: libav
Branch: master
Commit: 3281d823cdc7601c4900eb103958c05f59f65555
Author: Diego Biurrun <di...@biurrun.de>
Committer: Diego Biurrun <di...@biurrun.de>
Date: Thu Sep 8 15:08:03 2016 +0200
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.
---
libavcodec/intrax8.c | 8 +++---
libavcodec/intrax8dsp.c | 67 ++++++++++++++++++++++++-----------------------
libavcodec/intrax8dsp.h | 13 +++++----
3 files changed, 46 insertions(+), 42 deletions(-)
diff --git a/libavcodec/intrax8.c b/libavcodec/intrax8.c
index eb4c1ef..9c20c8f 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 108cfe3..bb74a68 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 4ba1a0b..27e71e6 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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