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hlsdemux2: Add unit test for parsing LL-HLS playlist

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Test parsing of partial segments (EXT-X-PART, EXT-X-PART-INF) and preload
hints (EXT-X-PRELOAD)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
This commit is contained in:
Jan Schmidt 2022-06-08 23:48:31 +10:00 committed by GStreamer Marge Bot
parent 3c50f54310
commit 43a8d45ac6
1 changed files with 72 additions and 0 deletions
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72
subprojects/gst-plugins-good/tests/check/elements/hlsdemux_m3u8.c
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@ -232,6 +232,33 @@ main.mp4\n\
main.mp4\n\
#EXT-X-ENDLIST";
static const gchar *LOW_LATENCY_PLAYLIST = "#EXTM3U\n\
#EXT-X-VERSION:7\n\
#EXT-X-TARGETDURATION:4\n\
#EXT-X-PART-INF:PART-TARGET=2\n\
#EXTINF:4.00008,\n\
fileSequence268.mp4\n\
#EXTINF:4.00008,\n\
fileSequence269.mp4\n\
#EXTINF:4.00008,\n\
fileSequence270.mp4\n\
#EXT-X-PART:DURATION=2.00004,INDEPENDENT=YES,URI=\"filePart271.0.mp4\"\n\
#EXT-X-PART:DURATION=2.00004,URI=\"filePart271.1.mp4\"\n\
#EXTINF:4.00008,\n\
fileSequence271.mp4\n\
#EXT-X-PART:DURATION=2.00004,INDEPENDENT=YES,URI=\"filePart272.0.mp4\"\n\
#EXT-X-PART:DURATION=0.50001,URI=\"filePart272.1.mp4\"\n\
#EXTINF:2.50005,\n\
fileSequence272.mp4\n\
#EXT-X-DISCONTINUITY\n\
#EXT-X-PART:DURATION=2.00004,INDEPENDENT=YES,URI=\"midRoll273.0.mp4\"\n\
#EXT-X-PART:DURATION=2.00004,URI=\"midRoll273.1.mp4\"\n\
#EXTINF:4.00008,\n\
midRoll273.mp4\n\
#EXT-X-PART:DURATION=2.00004,INDEPENDENT=YES,URI=\"midRoll274.0.mp4\"\n\
#EXT-X-PRELOAD-HINT:TYPE=PART,URI=\"midRoll274.1.mp4\"\n\
#EXT-X-RENDITION-REPORT:URI=\"/1M/LL-HLS.m3u8\",LAST-MSN=274,LAST-PART=1";
static GstHLSMediaPlaylist *
load_m3u8 (const gchar * data)
{
@ -845,6 +872,50 @@ GST_START_TEST (test_map_tag)
GST_END_TEST;
GST_START_TEST (test_low_latency_playlist)
{
GstHLSMediaPlaylist *pl;
GPtrArray *segments;
GstM3U8MediaSegment *seg;
/* Test low latency playlist features. EXT-X-PART-INF and EXT-X-PART
*
* There are 6 complete segments, and 1 dummy trailing segment containing
* only a partial segment
*/
pl = load_m3u8 (LOW_LATENCY_PLAYLIST);
fail_unless (pl != NULL);
segments = pl->segments;
assert_equals_int (segments->len, 7);
for (gsize i = 0; i < segments->len; i++) {
GstM3U8MediaSegment *file = g_ptr_array_index (segments, i);
/* The first segments are full, with no partial entries */
if (i < 3) {
fail_unless (file->partial_segments == NULL);
} else if (i < 6) {
fail_unless (file->partial_segments != NULL);
/* 2 partial segments expected */
fail_unless (file->partial_segments->len == 2);
} else {
fail_unless (file->partial_segments != NULL);
/* 1 partial segment expected in the last segment */
fail_unless (file->partial_segments->len == 1);
}
}
/* The final segment only has one partial segment */
seg = g_ptr_array_index (segments, 6);
fail_unless (seg->partial_only == TRUE);
gst_hls_media_playlist_unref (pl);
}
GST_END_TEST;
static Suite *
hlsdemux_suite (void)
{
@ -879,6 +950,7 @@ hlsdemux_suite (void)
tcase_add_test (tc_m3u8, test_url_with_slash_query_param);
tcase_add_test (tc_m3u8, test_stream_inf_tag);
tcase_add_test (tc_m3u8, test_map_tag);
tcase_add_test (tc_m3u8, test_low_latency_playlist);
return s;
}