Signed-off-by: James Almer <jamr...@gmail.com>
---
Now it can be overriden if you explicitly set write_prft to 0.
libavformat/dashenc.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index a52cbc9113..7032adc84d 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -1394,6 +1394,12 @@ static int dash_init(AVFormatContext *s)
c->frag_type = FRAG_TYPE_EVERY_FRAME;
}
+ if (c->write_prft < 0) {
+ c->write_prft = c->ldash;
+ if (c->ldash)
+ av_log(s, AV_LOG_INFO, "Enabling Producer Reference Time element
for Low Latency mode\n");
+ }
+
if (c->write_prft && !c->utc_timing_url) {
av_log(s, AV_LOG_WARNING, "Producer Reference Time element option will
be ignored as utc_timing_url is not set\n");
c->write_prft = 0;
@@ -2352,7 +2358,7 @@ static const AVOption options[] = {
{ "lhls", "Enable Low-latency HLS(Experimental). Adds #EXT-X-PREFETCH tag
with current segment's URI", OFFSET(lhls), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0,
1, E },
{ "ldash", "Enable Low-latency dash. Constrains the value of a few
elements", OFFSET(ldash), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E },
{ "master_m3u8_publish_rate", "Publish master playlist every after this
many segment intervals", OFFSET(master_publish_rate), AV_OPT_TYPE_INT, {.i64 =
0}, 0, UINT_MAX, E},
- { "write_prft", "Write producer reference time element",
OFFSET(write_prft), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, E},
+ { "write_prft", "Write producer reference time element",
OFFSET(write_prft), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, E},
{ "mpd_profile", "Set profiles. Elements and values used in the manifest
may be constrained by them", OFFSET(profile), AV_OPT_TYPE_FLAGS, {.i64 =
MPD_PROFILE_DASH }, 0, UINT_MAX, E, "mpd_profile"},
{ "dash", "MPEG-DASH ISO Base media file format live profile", 0,
AV_OPT_TYPE_CONST, {.i64 = MPD_PROFILE_DASH }, 0, UINT_MAX, E, "mpd_profile"},
{ "dvb_dash", "DVB-DASH profile", 0, AV_OPT_TYPE_CONST, {.i64 =
MPD_PROFILE_DVB }, 0, UINT_MAX, E, "mpd_profile"},
--
2.25.0
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