ffmpeg | branch: release/5.1 | Michael Niedermayer <mich...@niedermayer.cc> | Thu May 23 01:25:50 2024 +0200| [b7efe0f704898c426aa73c8bfa6d61b0bec2d8cd] | committer: Michael Niedermayer
avdevice/pulse_audio_enc: Use av_rescale() to avoid integer overflow Fixes: CID1503075 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 6f52b64bcc345842a88a40ddf3873559f1160e34) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b7efe0f704898c426aa73c8bfa6d61b0bec2d8cd --- libavdevice/pulse_audio_enc.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/libavdevice/pulse_audio_enc.c b/libavdevice/pulse_audio_enc.c index d5928e2b3f..dd52ea94aa 100644 --- a/libavdevice/pulse_audio_enc.c +++ b/libavdevice/pulse_audio_enc.c @@ -470,10 +470,11 @@ static av_cold int pulse_write_header(AVFormatContext *h) s->nonblocking = (h->flags & AVFMT_FLAG_NONBLOCK); if (s->buffer_duration) { - int64_t bytes = s->buffer_duration; - bytes *= st->codecpar->ch_layout.nb_channels * st->codecpar->sample_rate * - av_get_bytes_per_sample(st->codecpar->format); - bytes /= 1000; + int64_t bytes = av_rescale(s->buffer_duration, + st->codecpar->ch_layout.nb_channels * + (int64_t)st->codecpar->sample_rate * + av_get_bytes_per_sample(st->codecpar->format), + 1000); buffer_attributes.tlength = FFMAX(s->buffer_size, av_clip64(bytes, 0, UINT32_MAX - 1)); av_log(s, AV_LOG_DEBUG, "Buffer duration: %ums recalculated into %"PRId64" bytes buffer.\n", _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
