avgBitrate == 0 is used to signal a VBR track, so if that value is propagated
by an
encoder, don't overwrite it with a calculated value based on track size.
Part of a fix for ticket #11303.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/movenc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 7563ff2628..8300f49383 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -737,6 +737,9 @@ static struct mpeg4_bit_rate_values
calculate_mpeg4_bit_rates(MOVTrack *track)
// utilize values from properties if we have them available
if (props) {
+ // no avg_bitrate signals that the track is VBR
+ if (!props->avg_bitrate)
+ bit_rates.avg_bit_rate = props->avg_bitrate;
bit_rates.max_bit_rate = FFMAX(bit_rates.max_bit_rate,
props->max_bitrate);
bit_rates.buffer_size = props->buffer_size / 8;
--
2.47.0
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