[FFmpeg-devel] [PATCH 3/3] hlsenc: Only write PAT/PMT once per segment
Derek Buitenhuis
derek.buitenhuis at gmail.com
Sun Apr 5 20:37:08 CEST 2015
This saves a lot of muxing overhead, especially on lower bitrate
segments.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
---
libavformat/hlsenc.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 7885351..013780a 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -314,8 +314,16 @@ static int hls_start(AVFormatContext *s)
&s->interrupt_callback, NULL)) < 0)
return err;
- if (oc->oformat->priv_class && oc->priv_data)
+ /* We only require one PAT/PMT per segment. */
+ if (oc->oformat->priv_class && oc->priv_data) {
+ char period[21];
+
+ snprintf(period, sizeof(period), "%d", INT_MAX);
+
av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
+ av_opt_set(oc->priv_data, "sdt_period", period, 0);
+ av_opt_set(oc->priv_data, "pat_period", period, 0);
+ }
return 0;
}
--
2.1.4
More information about the ffmpeg-devel
mailing list