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author | Marton Balint <cus@passwd.hu> | 2022-06-12 02:44:38 +0200 |
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committer | Marton Balint <cus@passwd.hu> | 2022-06-20 22:56:50 +0200 |
commit | 2e895edb5d2ae820e8ead0fbccea3fe2b5749287 (patch) | |
tree | 041f78f9896f4a8dfe2ab540ef0a314ce68fdec9 | |
parent | 571683696306f22d9519f62dcffb2164d49ee3c5 (diff) | |
download | ffmpeg-2e895edb5d2ae820e8ead0fbccea3fe2b5749287.tar.gz |
avcodec/v210dec: do not use accelerated code for the last pixels of a row
ASM code tends to overwrite the buffers by 2-4 bytes and it can cause issues
with slice threads.
Signed-off-by: Marton Balint <cus@passwd.hu>
-rw-r--r-- | libavcodec/v210dec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/v210dec.c b/libavcodec/v210dec.c index e97f43a8e6..4268b5b748 100644 --- a/libavcodec/v210dec.c +++ b/libavcodec/v210dec.c @@ -54,7 +54,7 @@ static void decode_row(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t * void (*unpack_frame)(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)) { uint32_t val; - int w = (width / 12) * 12; + int w = (FFMAX(0, width - 12) / 12) * 12; unpack_frame(src, y, u, v, w); @@ -63,7 +63,7 @@ static void decode_row(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t * v += w >> 1; src += (w << 1) / 3; - if (w < width - 5) { + while (w < width - 5) { READ_PIXELS(u, y, v); READ_PIXELS(y, u, y); READ_PIXELS(v, y, u); |