From: Aman Gupta <a...@tmm1.net>
---
doc/muxers.texi | 3 +++
libavformat/hlsenc.c | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/doc/muxers.texi b/doc/muxers.texi
index ccf8ea1..e179c5a 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -533,6 +533,9 @@ Emit @code{#EXT-X-PLAYLIST-TYPE:EVENT} in the m3u8 header.
Forces
Emit @code{#EXT-X-PLAYLIST-TYPE:VOD} in the m3u8 header. Forces
@option{hls_list_size} to 0; the playlist must not change.
+@item hls_start_time @var{offset}
+Emit @code{#EXT-X-START:TIME-OFFSET} in the m3u8 header.
+
@item method
Use the given HTTP method to create the hls files.
@example
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index a376312..1344613d 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -79,6 +79,7 @@ typedef struct HLSContext {
unsigned number;
int64_t sequence;
int64_t start_sequence;
+ float start_offset;
AVOutputFormat *oformat;
AVOutputFormat *vtt_oformat;
@@ -511,6 +512,9 @@ static int hls_window(AVFormatContext *s, int last)
} else if (hls->pl_type == PLAYLIST_TYPE_VOD) {
avio_printf(out, "#EXT-X-PLAYLIST-TYPE:VOD\n");
}
+ if (hls->start_offset >= 0) {
+ avio_printf(out, "#EXT-X-START:TIME-OFFSET=%f\n", hls->start_offset);
+ }
av_log(s, AV_LOG_VERBOSE, "EXT-X-MEDIA-SEQUENCE:%"PRId64"\n",
sequence);
@@ -1013,6 +1017,7 @@ static const AVOption options[] = {
{"hls_list_size", "set maximum number of playlist entries",
OFFSET(max_nb_segments), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E},
{"hls_ts_options","set hls mpegts list of options for the container format
used for hls", OFFSET(format_options_str), AV_OPT_TYPE_STRING, {.str = NULL},
0, 0, E},
{"hls_vtt_options","set hls vtt list of options for the container format
used for hls", OFFSET(vtt_format_options_str), AV_OPT_TYPE_STRING, {.str =
NULL}, 0, 0, E},
+ {"hls_start_time", "set EXT-X-START:TIME-OFFSET",
OFFSET(start_offset), AV_OPT_TYPE_FLOAT, {.dbl = -1}, -1, FLT_MAX, E},
{"hls_wrap", "set number after which the index wraps", OFFSET(wrap),
AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, E},
{"hls_allow_cache", "explicitly set whether the client MAY (1) or MUST NOT
(0) cache media segments", OFFSET(allowcache), AV_OPT_TYPE_INT, {.i64 = -1},
INT_MIN, INT_MAX, E},
{"hls_base_url", "url to prepend to each playlist entry",
OFFSET(baseurl), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E},
--
2.8.1
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