diff options
| -rw-r--r-- | libavformat/riffenc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c index 250cf41ae7..ceb27f272c 100644 --- a/libavformat/riffenc.c +++ b/libavformat/riffenc.c @@ -242,7 +242,12 @@ void ff_parse_specific_params(AVStream *st, int *au_rate, int gcd; int audio_frame_size; + /* We use the known constant frame size for the codec if known, otherwise + * fall back on using AVCodecContext.frame_size, which is not as reliable + * for indicating packet duration. */ audio_frame_size = av_get_audio_frame_duration(codec, 0); + if (!audio_frame_size) + audio_frame_size = codec->frame_size; *au_ssize = codec->block_align; if (audio_frame_size && codec->sample_rate) { |