diff options
| author | Karthick J <kjeyapal@akamai.com> | 2017-11-24 06:57:36 +0800 |
|---|---|---|
| committer | Steven Liu <lq@chinaffmpeg.org> | 2017-11-24 06:57:36 +0800 |
| commit | efb51c8ebbe21f701da816bb78aefc0ce98b378d (patch) | |
| tree | 3902452e80ca8cceb5c060d643f8fab67b913179 /libavformat/hlsenc.c | |
| parent | 241c1192d6b8db17f4ea6055573417a4830d5cc6 (diff) | |
avformat/hlsenc: Added option to add EXT-X-INDEPENDENT-SEGMENTS tag
Diffstat (limited to 'libavformat/hlsenc.c')
| -rw-r--r-- | libavformat/hlsenc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c index 611cc99b6e..30ccf73d76 100644 --- a/libavformat/hlsenc.c +++ b/libavformat/hlsenc.c @@ -88,6 +88,7 @@ typedef enum HLSFlags { HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s HLS_TEMP_FILE = (1 << 11), HLS_PERIODIC_REKEY = (1 << 12), + HLS_INDEPENDENT_SEGMENTS = (1 << 13), } HLSFlags; typedef enum { @@ -1190,6 +1191,10 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) sequence = 0; } + if (hls->flags & HLS_INDEPENDENT_SEGMENTS) { + hls->version = 6; + } + if (hls->segment_type == SEGMENT_TYPE_FMP4) { hls->version = 7; } @@ -1219,6 +1224,9 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) avio_printf(out, "#EXT-X-DISCONTINUITY\n"); vs->discontinuity_set = 1; } + if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) { + avio_printf(out, "#EXT-X-INDEPENDENT-SEGMENTS\n"); + } for (en = vs->segments; en; en = en->next) { if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) || av_strcasecmp(en->iv_string, iv_string))) { @@ -1731,6 +1739,14 @@ static int hls_write_header(AVFormatContext *s) vs->start_pts = AV_NOPTS_VALUE; vs->current_segment_final_filename_fmt[0] = '\0'; + if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) { + // Independent segments cannot be guaranteed when splitting by time + hls->flags &= ~HLS_INDEPENDENT_SEGMENTS; + av_log(s, AV_LOG_WARNING, + "'split_by_time' and 'independent_segments' cannot be enabled together. " + "Disabling 'independent_segments' flag\n"); + } + if (hls->flags & HLS_PROGRAM_DATE_TIME) { time_t now0; time(&now0); @@ -2322,6 +2338,7 @@ static const AVOption options[] = { {"second_level_segment_duration", "include segment duration in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_DURATION }, 0, UINT_MAX, E, "flags"}, {"second_level_segment_size", "include segment size in segment filenames when use_localtime", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_SECOND_LEVEL_SEGMENT_SIZE }, 0, UINT_MAX, E, "flags"}, {"periodic_rekey", "reload keyinfo file periodically for re-keying", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PERIODIC_REKEY }, 0, UINT_MAX, E, "flags"}, + {"independent_segments", "add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_INDEPENDENT_SEGMENTS }, 0, UINT_MAX, E, "flags"}, {"use_localtime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E }, {"use_localtime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E }, {"hls_playlist_type", "set the HLS playlist type", OFFSET(pl_type), AV_OPT_TYPE_INT, {.i64 = PLAYLIST_TYPE_NONE }, 0, PLAYLIST_TYPE_NB-1, E, "pl_type" }, |