From: Vishwanath Dixit <vdi...@akamai.com>
---
libavformat/dashenc.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index d20bdba..0ba9f55 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -86,6 +86,8 @@ typedef struct OutputStream {
char full_path[1024];
char temp_path[1024];
int64_t chunk_duration;
+ int total_pkt_size;
+ int bitrate_overhead;
} OutputStream;
typedef struct DASHContext {
@@ -1209,6 +1211,13 @@ static int dash_flush(AVFormatContext *s, int final, int
stream)
}
}
+ if (!os->bitrate_overhead)
+ os->bitrate_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,
@@ -1340,6 +1349,7 @@ 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;
--
1.9.1
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