github-mirrors/FFmpeg
1
0
Fork 0
mirror of https://mirror.skon.top/https://github.com/FFmpeg/FFmpeg synced 2026-04-20 21:00:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

avcodec/mpegvideoencdsp: Add restrict to shrink

Browse Source 
Makes GCC avoid creating the aliasing fallback path
and saves 1280B of .text here.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2026-03-30 10:56:43 +02:00
parent 6e95052ac2
commit 8b700fad94
2 changed files with 11 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
libavcodec/mpegvideoencdsp.c
View File

@@ -179,16 +179,16 @@ static void draw_edges_8_c(uint8_t *buf, ptrdiff_t wrap, int width, int height,
/* This wrapper function only serves to convert the stride parameters
* from ptrdiff_t to int for av_image_copy_plane(). */
static void copy_plane_wrapper(uint8_t *dst, ptrdiff_t dst_wrap,
const uint8_t *src, ptrdiff_t src_wrap,
static void copy_plane_wrapper(uint8_t *restrict dst, ptrdiff_t dst_wrap,
const uint8_t *restrict src, ptrdiff_t src_wrap,
int width, int height)
{
av_image_copy_plane(dst, dst_wrap, src, src_wrap, width, height);
}
/* 2x2 -> 1x1 */
static void shrink22(uint8_t *dst, ptrdiff_t dst_wrap,
const uint8_t *src, ptrdiff_t src_wrap,
static void shrink22(uint8_t *restrict dst, ptrdiff_t dst_wrap,
const uint8_t *restrict src, ptrdiff_t src_wrap,
int width, int height)
{
int w;
@@ -220,8 +220,8 @@ static void shrink22(uint8_t *dst, ptrdiff_t dst_wrap,
}
/* 4x4 -> 1x1 */
static void shrink44(uint8_t *dst, ptrdiff_t dst_wrap,
const uint8_t *src, ptrdiff_t src_wrap,
static void shrink44(uint8_t *restrict dst, ptrdiff_t dst_wrap,
const uint8_t *restrict src, ptrdiff_t src_wrap,
int width, int height)
{
int w;
@@ -251,8 +251,8 @@ static void shrink44(uint8_t *dst, ptrdiff_t dst_wrap,
}
/* 8x8 -> 1x1 */
static void shrink88(uint8_t *dst, ptrdiff_t dst_wrap,
const uint8_t *src, ptrdiff_t src_wrap,
static void shrink88(uint8_t *restrict dst, ptrdiff_t dst_wrap,
const uint8_t *restrict src, ptrdiff_t src_wrap,
int width, int height)
{
int w, i;

5
libavcodec/mpegvideoencdsp.h
View File

@@ -40,8 +40,9 @@ typedef struct MpegvideoEncDSPContext {
int (*pix_sum)(const uint8_t *pix, ptrdiff_t line_size);
int (*pix_norm1)(const uint8_t *pix, ptrdiff_t line_size);
void (*shrink[4])(uint8_t *dst, ptrdiff_t dst_wrap, const uint8_t *src,
ptrdiff_t src_wrap, int width, int height);
void (*shrink[4])(uint8_t *restrict dst, ptrdiff_t dst_wrap,
const uint8_t *restrict src, ptrdiff_t src_wrap,
int width, int height);
void (*draw_edges)(uint8_t *buf, ptrdiff_t wrap, int width, int height,
int w, int h, int sides);