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avcodec/proresdsp: Make put_pixels truely ptrdiff_t compatible

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It currently uses an intermediate int which wouldn't work
if linesize exceeded the range of int and inhibits compiler
optimizations. Also switch to pointer arithmetic and use
smaller scope.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-02-24 12:51:16 +01:00
parent 802e4f4a53
commit f1a4787f76
1 changed files with 5 additions and 7 deletions
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12
libavcodec/proresdsp.c
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@@ -40,16 +40,14 @@
*/
static inline void put_pixel(uint16_t *dst, ptrdiff_t linesize, const int16_t *in, int bits_per_raw_sample) {
int x, y, src_offset, dst_offset;
for (y = 0, dst_offset = 0; y < 8; y++, dst_offset += linesize) {
for (x = 0; x < 8; x++) {
src_offset = (y << 3) + x;
for (int y = 0; y < 8; y++, dst += linesize) {
for (int x = 0; x < 8; x++) {
int src_offset = (y << 3) + x;
if (bits_per_raw_sample == 10) {
dst[dst_offset + x] = CLIP_10(in[src_offset]);
dst[x] = CLIP_10(in[src_offset]);
} else {//12b
dst[dst_offset + x] = CLIP_12(in[src_offset]);
dst[x] = CLIP_12(in[src_offset]);
}
}
}