@@ -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;
From: Vishwanath Dixit <vdixit@akamai.com> --- libavformat/dashenc.c | 10 ++++++++++ 1 file changed, 10 insertions(+)