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-rw-r--r--libavformat/hlsenc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index aa38d05462..5d18d13a36 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -47,6 +47,7 @@ typedef struct HLSContext {
float time; // Set by a private option.
int size; // Set by a private option.
int wrap; // Set by a private option.
+ int allowcache;
int64_t recording_time;
int has_video;
int64_t start_pts;
@@ -145,6 +146,9 @@ static int hls_window(AVFormatContext *s, int last)
avio_printf(hls->pb, "#EXTM3U\n");
avio_printf(hls->pb, "#EXT-X-VERSION:3\n");
+ if (hls->allowcache == 0 || hls->allowcache == 1) {
+ avio_printf(hls->pb, "#EXT-X-ALLOW-CACHE:%s\n", hls->allowcache == 0 ? "NO" : "YES");
+ }
avio_printf(hls->pb, "#EXT-X-TARGETDURATION:%d\n", target_duration);
avio_printf(hls->pb, "#EXT-X-MEDIA-SEQUENCE:%"PRId64"\n", sequence);
@@ -325,6 +329,7 @@ static const AVOption options[] = {
{"hls_time", "segment length in seconds", OFFSET(time), AV_OPT_TYPE_FLOAT, {.dbl = 2}, 0, FLT_MAX, E},
{"hls_list_size", "maximum number of playlist entries", OFFSET(size), AV_OPT_TYPE_INT, {.i64 = 5}, 0, INT_MAX, E},
{"hls_wrap", "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},
{ NULL },
};