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hlsdemux2: Minor refactoring of starting segment check

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6610>
This commit is contained in:
Edward Hervey 2024-05-28 13:04:20 +02:00 committed by GStreamer Marge Bot
parent 5bc9883d68
commit c924e4cc1e
1 changed files with 28 additions and 28 deletions
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56
subprojects/gst-plugins-good/ext/adaptivedemux2/hls/m3u8.c
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@ -2110,6 +2110,10 @@ gst_hls_media_playlist_get_starting_segment (GstHLSMediaPlaylist * self,
res = g_ptr_array_index (self->segments, 0);
} else {
GstClockTime hold_back = GST_CLOCK_TIME_NONE;
GstM3U8MediaSegment *last_seg;
g_assert (self->segments->len);
last_seg = g_ptr_array_index (self->segments, self->segments->len - 1);
/* Live playlist. If low-latency, use the PART-HOLD-BACK specified distance
* from the end, otherwise HOLD-BACK distance */
if (GST_CLOCK_TIME_IS_VALID (self->part_hold_back))
@ -2135,41 +2139,37 @@ gst_hls_media_playlist_get_starting_segment (GstHLSMediaPlaylist * self,
hold_back = GST_M3U8_LIVE_MIN_FRAGMENT_DISTANCE * self->targetduration;
}
if (GST_CLOCK_TIME_IS_VALID (hold_back)) {
GstM3U8MediaSegment *last_seg =
g_ptr_array_index (self->segments, self->segments->len - 1);
if (GST_CLOCK_TIME_IS_VALID (hold_back)
&& GST_CLOCK_STIME_IS_VALID (last_seg->stream_time)) {
GstSeekFlags flags =
GST_SEEK_FLAG_SNAP_BEFORE | GST_SEEK_FLAG_KEY_UNIT |
GST_HLS_M3U8_SEEK_FLAG_ALLOW_PARTIAL;
GstClockTime playlist_duration =
last_seg->stream_time + last_seg->duration;
GstClockTime target_ts;
if (GST_CLOCK_STIME_IS_VALID (last_seg->stream_time)) {
GstSeekFlags flags =
GST_SEEK_FLAG_SNAP_BEFORE | GST_SEEK_FLAG_KEY_UNIT |
GST_HLS_M3U8_SEEK_FLAG_ALLOW_PARTIAL;
GstClockTime playlist_duration =
last_seg->stream_time + last_seg->duration;
GstClockTime target_ts;
/* Clamp the hold back so we don't go below zero */
if (hold_back > playlist_duration)
hold_back = playlist_duration;
/* Clamp the hold back so we don't go below zero */
if (hold_back > playlist_duration)
hold_back = playlist_duration;
target_ts = playlist_duration - hold_back;
target_ts = playlist_duration - hold_back;
GST_DEBUG ("Hold back is %" GST_TIME_FORMAT
" Looking for a segment before %" GST_TIME_FORMAT,
GST_TIME_ARGS (hold_back), GST_TIME_ARGS (target_ts));
GST_DEBUG ("Hold back is %" GST_TIME_FORMAT
" Looking for a segment before %" GST_TIME_FORMAT,
GST_TIME_ARGS (hold_back), GST_TIME_ARGS (target_ts));
if (gst_hls_media_playlist_seek (self, TRUE, flags, target_ts,
seek_result)) {
if (gst_hls_media_playlist_seek (self, TRUE, flags, target_ts,
seek_result)) {
#ifndef GST_DISABLE_GST_DEBUG
GstClockTime distance_from_edge =
playlist_duration - seek_result->stream_time;
GstClockTime distance_from_edge =
playlist_duration - seek_result->stream_time;
GST_DEBUG ("Found starting position %" GST_TIME_FORMAT " which is %"
GST_TIME_FORMAT " from the live edge",
GST_TIME_ARGS (seek_result->stream_time),
GST_TIME_ARGS (distance_from_edge));
GST_DEBUG ("Found starting position %" GST_TIME_FORMAT " which is %"
GST_TIME_FORMAT " from the live edge",
GST_TIME_ARGS (seek_result->stream_time),
GST_TIME_ARGS (distance_from_edge));
#endif
return TRUE;
}
return TRUE;
}
}