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[FFmpeg-devel,v2,2/2] avformat/dashenc: Added comments

Message ID 20190221061200.11635-1-kjeyapal@akamai.com
State Accepted
Commit 2e67f751b55b614b68a131f6dceece1c56a620b3
Headers show

Commit Message

Jeyapal, Karthick Feb. 21, 2019, 6:12 a.m. UTC 
Added comments regarding usage of certain movflags in streaming mode.
---
 libavformat/dashenc.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index a0b44a0ec3..c5e882f4ae 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -1216,6 +1216,9 @@  static int dash_init(AVFormatContext *s)
 
         if (os->segment_type == SEGMENT_TYPE_MP4) {
             if (c->streaming)
+                // frag_every_frame : Allows lower latency streaming
+                // skip_sidx : Reduce bitrate overhead
+                // skip_trailer : Avoids growing memory usage with time
                 av_dict_set(&opts, "movflags", "frag_every_frame+dash+delay_moov+skip_sidx+skip_trailer", 0);
             else
                 av_dict_set(&opts, "movflags", "frag_custom+dash+delay_moov", 0);