ffmpeg | branch: master | Vishwanath Dixit <vdi...@akamai.com> | Wed Apr 11 12:49:55 2018 +0530| [85ae55eca390af4d8bb390eb03ce190c7005f636] | committer: Karthick Jeyapal
avformat/dashenc: logic to compute muxer overhead > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=85ae55eca390af4d8bb390eb03ce190c7005f636 --- libavformat/dashenc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c index 70409e5699..9c29c05776 100644 --- a/libavformat/dashenc.c +++ b/libavformat/dashenc.c @@ -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; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
