[FFmpeg-cvslog] dashenc: fix bitrate estimation with correct scaling
Anton Schubert
git at videolan.org
Sun Oct 29 19:30:06 EET 2017
ffmpeg | branch: master | Anton Schubert <ischluff at mailbox.org> | Sun Oct 29 16:10:34 2017 +0100| [3dca4887aef4f1c2ab2f94a02342b3f50913522c] | committer: Michael Niedermayer
dashenc: fix bitrate estimation with correct scaling
Signed-off-by: Anton Schubert <ischluff at mailbox.org>
Signed-off-by: Peter Große <pegro at friiks.de>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3dca4887aef4f1c2ab2f94a02342b3f50913522c
---
libavformat/dashenc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 04b0fd99e6..e25a660fbe 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -947,6 +947,7 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
for (i = 0; i < s->nb_streams; i++) {
OutputStream *os = &c->streams[i];
+ AVStream *st = s->streams[i];
char filename[1024] = "", full_path[1024], temp_path[1024];
int range_length, index_length = 0;
@@ -1001,7 +1002,7 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
if (!os->bit_rate) {
// calculate average bitrate of first segment
- int64_t bitrate = (int64_t) range_length * 8 * AV_TIME_BASE / (os->max_pts - os->start_pts);
+ int64_t bitrate = (int64_t) range_length * 8 / ((os->max_pts - os->start_pts) * av_q2d(st->time_base));
if (bitrate >= 0) {
os->bit_rate = bitrate;
snprintf(os->bandwidth_str, sizeof(os->bandwidth_str),
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