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author | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2019-07-01 13:06:02 +0200 |
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committer | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2019-08-11 02:06:44 +0200 |
commit | 2828f5b0d8e432ccd686e3c28ff68348d8a45f7e (patch) | |
tree | 0ab8a8f0aa3cfdb4dd1105e946512079e2278032 | |
parent | ac457a3bc589d4b6d2438942354f4f69f07a598e (diff) | |
download | ffmpeg-streaming-2828f5b0d8e432ccd686e3c28ff68348d8a45f7e.zip ffmpeg-streaming-2828f5b0d8e432ccd686e3c28ff68348d8a45f7e.tar.gz |
lavc/r210enc: Fix undefined behaviour encoding r10k.
Fixes the following ubsan error:
libavcodec/r210enc.c:69:28: runtime error: left shift of 522 by 22 places cannot be represented in type 'int'
Fixes ticket #7982.
-rw-r--r-- | libavcodec/r210enc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/r210enc.c b/libavcodec/r210enc.c index 02412f3..b24dc1a 100644 --- a/libavcodec/r210enc.c +++ b/libavcodec/r210enc.c @@ -60,9 +60,9 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, uint16_t *srcb = (uint16_t *)srcb_line; for (j = 0; j < avctx->width; j++) { uint32_t pixel; - uint16_t r = *srcr++; - uint16_t g = *srcg++; - uint16_t b = *srcb++; + unsigned r = *srcr++; + unsigned g = *srcg++; + unsigned b = *srcb++; if (avctx->codec_id == AV_CODEC_ID_R210) pixel = (r << 20) | (g << 10) | b; else |