Angel One HLS SeekRange incorrect #3733
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component: HLS
The issue involves Apple's HLS manifest format
priority: P2
Smaller impact or easy workaround
status: archived
Archived and locked; will not be updated
type: bug
Something isn't working correctly
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theodab
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type: bug
theodab
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Nov 5, 2021
Previously, the HLS parser would notify the presentation timeline of the segments in the manifest before fitting the segments. The HLS parser will also sometimes remove segments from the end of a VOD asset if they do not fit within the playlist duration. This could sometimes cause the presentation timeline and MediaSource to have different opinions on how long the VOD asset was, which could lead to the seek bar looking like the presentation stopped before the end. Closes #3733 Change-Id: I67fdc28a3f6eee158c9906359491fe6bb418e730
joeyparrish
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Jan 5, 2022
Previously, the HLS parser would notify the presentation timeline of the segments in the manifest before fitting the segments. The HLS parser will also sometimes remove segments from the end of a VOD asset if they do not fit within the playlist duration. This could sometimes cause the presentation timeline and MediaSource to have different opinions on how long the VOD asset was, which could lead to the seek bar looking like the presentation stopped before the end. Closes #3733 Change-Id: I67fdc28a3f6eee158c9906359491fe6bb418e730
joeyparrish
pushed a commit
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Jan 5, 2022
Previously, the HLS parser would notify the presentation timeline of the segments in the manifest before fitting the segments. The HLS parser will also sometimes remove segments from the end of a VOD asset if they do not fit within the playlist duration. This could sometimes cause the presentation timeline and MediaSource to have different opinions on how long the VOD asset was, which could lead to the seek bar looking like the presentation stopped before the end. Closes #3733 Change-Id: I67fdc28a3f6eee158c9906359491fe6bb418e730
joeyparrish
pushed a commit
that referenced
this issue
Jan 5, 2022
Previously, the HLS parser would notify the presentation timeline of the segments in the manifest before fitting the segments. The HLS parser will also sometimes remove segments from the end of a VOD asset if they do not fit within the playlist duration. This could sometimes cause the presentation timeline and MediaSource to have different opinions on how long the VOD asset was, which could lead to the seek bar looking like the presentation stopped before the end. Closes #3733 Change-Id: I67fdc28a3f6eee158c9906359491fe6bb418e730
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When playing
Angel One (HLS, MP4, multilingual)in the demo, the video ends with the seek bar not fully filled:Further investigation reveals that the player reports a seek range of 0 - 64 seconds. Looking into some calls, it appears that (some of?) the streams in the manifest end with segment references that have a time of 60-64 seconds. The HLS parser first notifies the presentation timeline of all of the references, and then AFTER that it culls the references to fit the playlist duration. The end result is that the presentation timeline thinks the media has the pre-fit duration of 64 seconds, while MediaSource thinks that the media has the post-fit duration of 60 seconds.
We should probably change the HLS parser to only notify the presentation timeline about references after fitting.
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