RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avformat/dashenc: logic to compute muxer overhead

This commit is contained in:
Vishwanath Dixit 2018-04-11 12:31:55 +05:30 committed by Karthick Jeyapal
parent 990380367b
commit 85ae55eca3
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libavformat/dashenc.c
View File

@ -86,6 +86,8 @@ typedef struct OutputStream {
char full_path[1024];
char temp_path[1024];
double availability_time_offset;
int total_pkt_size;
int muxer_overhead;
} OutputStream;
typedef struct DASHContext {
@ -1219,6 +1221,13 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
}
}
if (!os->muxer_overhead)
os->muxer_overhead = ((int64_t) (range_length - os->total_pkt_size) *
8 * AV_TIME_BASE) /
av_rescale_q(os->max_pts - os->start_pts,
st->time_base, AV_TIME_BASE_Q);
os->total_pkt_size = 0;
if (!os->bit_rate) {
// calculate average bitrate of first segment
int64_t bitrate = (int64_t) range_length * 8 * AV_TIME_BASE / av_rescale_q(os->max_pts - os->start_pts,
@ -1353,6 +1362,7 @@ static int dash_write_packet(AVFormatContext *s, AVPacket *pkt)
else
os->max_pts = FFMAX(os->max_pts, pkt->pts + pkt->duration);
os->packets_written++;
os->total_pkt_size += pkt->size;
if ((ret = ff_write_chained(os->ctx, 0, pkt, s, 0)) < 0)
return ret;