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Git pushed a commit to branch release/9.0
in repository ffmpeg.
The following commit(s) were added to refs/heads/release/9.0 by this push:
new df8dce0eb3 libavformat/dashenc.c: check if packets were muxed before
calculating average bitrate
df8dce0eb3 is described below
commit df8dce0eb35161ddf86f1979d1ed6af020f49b11
Author: Sergei Iashin <[email protected]>
AuthorDate: Wed Feb 17 22:12:13 2021 +0300
Commit: James Almer <[email protected]>
CommitDate: Sun Sep 27 11:50:20 2026 -0300
libavformat/dashenc.c: check if packets were muxed before calculating
average bitrate
Prevents SIGFPE.
Fixes issue #24738.
Signed-off-by: James Almer <[email protected]>
(cherry picked from commit d62aef2e50434cc31eccf236ae67d864becb7068)
---
libavformat/dashenc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index c7aea0ce1c..6b4ab8eeb9 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -706,7 +706,9 @@ static int write_adaptation_set(AVFormatContext *s,
AVIOContext *out, int as_ind
if (os->bit_rate > 0)
snprintf(bandwidth_str, sizeof(bandwidth_str), "
bandwidth=\"%d\"", os->bit_rate);
else if (final) {
- int average_bit_rate = os->pos * 8 * AV_TIME_BASE /
c->total_duration;
+ int average_bit_rate = 0;
+ if (c->total_duration > 0)
+ average_bit_rate = os->pos * 8 * AV_TIME_BASE /
c->total_duration;
snprintf(bandwidth_str, sizeof(bandwidth_str), "
bandwidth=\"%d\"", average_bit_rate);
} else if (os->first_segment_bit_rate > 0)
snprintf(bandwidth_str, sizeof(bandwidth_str), "
bandwidth=\"%d\"", os->first_segment_bit_rate);
--
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