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...
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@@ -88,6 +88,7 @@ typedef enum HLSFlags {
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88
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88
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HLS_SECOND_LEVEL_SEGMENT_SIZE = (1 << 10), // include segment size (bytes) in segment filenames when use_localtime e.g.: %%014s
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89
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89
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HLS_TEMP_FILE = (1 << 11),
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90
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90
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HLS_PERIODIC_REKEY = (1 << 12),
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91
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+ HLS_INDEPENDENT_SEGMENTS = (1 << 13),
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91
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92
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} HLSFlags;
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92
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93
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93
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94
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typedef enum {
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@@ -1190,6 +1191,10 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
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1190
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1190
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sequence = 0;
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1191
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1191
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}
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1192
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1192
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1193
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+ if (hls->flags & HLS_INDEPENDENT_SEGMENTS) {
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1194
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+ hls->version = 6;
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1195
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+ }
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1196
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+
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1193
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1197
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if (hls->segment_type == SEGMENT_TYPE_FMP4) {
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1194
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1198
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hls->version = 7;
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1195
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1199
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}
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@@ -1219,6 +1224,9 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
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1219
|
1219
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avio_printf(out, "#EXT-X-DISCONTINUITY\n");
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1220
|
1220
|
vs->discontinuity_set = 1;
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1221
|
1221
|
}
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|
1222
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+ if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) {
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|
1223
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+ avio_printf(out, "#EXT-X-INDEPENDENT-SEGMENTS\n");
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|
1224
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+ }
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1222
|
1225
|
for (en = vs->segments; en; en = en->next) {
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1223
|
1226
|
if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) ||
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1224
|
1227
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av_strcasecmp(en->iv_string, iv_string))) {
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...
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@@ -1731,6 +1739,14 @@ static int hls_write_header(AVFormatContext *s)
|
1731
|
1731
|
vs->start_pts = AV_NOPTS_VALUE;
|
1732
|
1732
|
vs->current_segment_final_filename_fmt[0] = '\0';
|
1733
|
1733
|
|
|
1734
|
+ if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
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|
1735
|
+ // Independent segments cannot be guaranteed when splitting by time
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|
1736
|
+ hls->flags &= ~HLS_INDEPENDENT_SEGMENTS;
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|
1737
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+ av_log(s, AV_LOG_WARNING,
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|
1738
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+ "'split_by_time' and 'independent_segments' cannot be enabled together. "
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|
1739
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+ "Disabling 'independent_segments' flag\n");
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|
1740
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+ }
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|
1741
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+
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1734
|
1742
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if (hls->flags & HLS_PROGRAM_DATE_TIME) {
|
1735
|
1743
|
time_t now0;
|
1736
|
1744
|
time(&now0);
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...
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...
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@@ -2322,6 +2338,7 @@ static const AVOption options[] = {
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2322
|
2322
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{"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"},
|
2323
|
2323
|
{"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"},
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2324
|
2324
|
{"periodic_rekey", "reload keyinfo file periodically for re-keying", 0, AV_OPT_TYPE_CONST, {.i64 = HLS_PERIODIC_REKEY }, 0, UINT_MAX, E, "flags"},
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|
2325
|
+ {"independent_segments", "add EXT-X-INDEPENDENT-SEGMENTS, whenever applicable", 0, AV_OPT_TYPE_CONST, { .i64 = HLS_INDEPENDENT_SEGMENTS }, 0, UINT_MAX, E, "flags"},
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2325
|
2326
|
{"use_localtime", "set filename expansion with strftime at segment creation", OFFSET(use_localtime), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
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2326
|
2327
|
{"use_localtime_mkdir", "create last directory component in strftime-generated filename", OFFSET(use_localtime_mkdir), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, E },
|
2327
|
2328
|
{"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" },
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