[FFmpeg-devel] [PATCH 16/18] lavf/dv: set audio bitrate only at stream creation

[Anton Khirnov]

Demuxers are not supposed to update AVCodecParameters after the stream
was seen by the caller. This value is not important enough to support
dynamic updates for.
---
 libavformat/dv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/dv.c b/libavformat/dv.c
index f65c2d596f..9c8b0a262c 100644
--- a/libavformat/dv.c
+++ b/libavformat/dv.c
@@ -280,6 +280,7 @@ static int dv_extract_audio_info(DVDemuxContext *c, const uint8_t *frame)
             c->ast[i]->codecpar->codec_id   = AV_CODEC_ID_PCM_S16LE;
             c->ast[i]->codecpar->ch_layout  = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
             c->ast[i]->start_time           = 0;
+            c->ast[i]->codecpar->bit_rate   = 2 * dv_audio_frequency[freq] * 16;
 
             c->audio_pkt[i].size         = 0;
             c->audio_pkt[i].data         = c->audio_buf[i];
@@ -290,7 +291,6 @@ static int dv_extract_audio_info(DVDemuxContext *c, const uint8_t *frame)
             c->audio_pkt[i].pos          = -1;
         }
         c->ast[i]->codecpar->sample_rate    = dv_audio_frequency[freq];
-        c->ast[i]->codecpar->bit_rate       = 2 * dv_audio_frequency[freq] * 16;
     }
     c->ach = ach;
 
-- 
2.35.1