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23 commits

Author SHA1 Message Date
Edward Hervey
dadf2ec56c hlsdemux2: Fix handling of variant switching and playlist updates 
When updating playlists, we want to know whether the updated playlist is
continuous with the previous one. That is : if we advance, will the next
fragment need to have the DISCONT buffer set on it or not.

If that happens (because we switched variants, or the playlist all of a sudden
changed) we remember that there is a pending discont for the next fragment. That
will be used and resetted the next time we get the fragment information.

Previously this was only partially done. And it was racy because it was set
directly on `GstAdaptiveDemux2Stream->discont` when a playlist was updated,
instead of when the next fragment was prepared.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6961>
 2024-05-30 07:59:25 +00:00
Edward Hervey
db6803bd55 adaptivedemux2: Don't use g_str_equal on potentially NULL strings 
It is only meant to be used as a callback. The fallback macro uses strcmp which
doesn't handle NULL strings gracefully. Instead use g_strcmp0

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6410>
 2024-03-20 10:49:02 +01:00
Rafał Dzięgiel
38028c9873 hlsdemux2: Make start-bitrate property work without connection-speed 
Makes "start-bitrate" work without setting "connection-speed" property. Having
another property set as a requirement for this one to work is unexpected.

This commit allows to request some initial bitrate for first segment, then
go into adaptive streaming for the rest of media playback.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3895>
 2023-02-17 17:48:40 +01:00
Edward Hervey
0639f117cb hlsdemux2: Remove enable-llhls property 
This was only used for testing purposes

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:24 +00:00
Edward Hervey
854683c871 hlsdemux2: Don't leak PDT datetime 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:24 +00:00
Jan Schmidt
91c8f3f990 hlsdemux2: Wait for playlist load after a switch 
Check in update_fragment_info() if the playlist we want has actually been loaded
yet, and return BUSY if not.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
2b93dae59a hlsdemux2: Handle async playlist loading failures 
Add failed variant playlists to a list and failover to other variants until
there is none left

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
454779f094 hlsdemux2: Wait for playlist switch during seek. 
When switching to/from an iframe variant to do seeking, wait for the target
playlist to load before handling the seek.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
083538df9e hlsdemux2: Continue reworking code for async playlist updates 
Everything is working again now except for corner cases:
  - Failing over to another playlist after a load failure
  - Remembering playlist redirects and using that URI
    directly next time.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
7b3a1bac0a hlsdemux2: Add llhls-enabled property to streams 
Tidying: Make the llhls-enabled setting configurable through a stream property
instead of set manually after construction.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
d5edd48f13 hlsdemux2: Add gst_hls_demux_stream_set_playlist_uri 
Add a method that configures the new playlist URI for a stream.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Edward Hervey
2c822735ba hlsdemux2: Add HLS playlist loader 
Add a helper that asynchronously loads and refreshes the playlist for HLS
streams.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
0962908e62 adaptivedemux2: Add start/stop vfuncs 
Remove the can_start() vfunc, in favour of vfuncs when the stream starts/stops,
allowing the sub-class to do custom logic before (or preventing) the stream from
starting and stopping.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
fa0e9e2ec5 hlsdemux2: Remove unused function argument 
Remove the demux argument from the
gst_hls_demux_stream_update_rendition_playlist() method

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Edward Hervey
b03e68ea8c hlsdemux2: support old compilers 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:23 +00:00
Jan Schmidt
1cede1d0cf hlsdemux2: Place HLS delivery directives in UTF-8 order. 
Use new GstURI gst_uri_to_string_with_keys() API to produce the playlist URI
with query arguments in UTF-8 order.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00
Jan Schmidt
21cb739830 hlsdemux2: Avoid assert in _has_next_fragment() 
gst_hls_demux_stream_has_next_fragment() can be called with a NULL
current_segment if we're past the end of the current playlist. In that case,
just return FALSE instead of hitting a critical in the playlist code.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00
Jan Schmidt
268a25b979 hlsdemux2: Use partial segment for playlist update interval 
When playing LL-HLS playlists in LL-HLS mode, update the playlist more often (on
the partial segment interval) or else we end up downloading them in bursts and
playing further from the live edge than intended.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00
Jan Schmidt
55f6cd9243 hlsdemux2: Do a full playlist reload if delta fails 
If we do a delta playlist request but then can't merge the result with the
existing playlist, retry with a full playlist request.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00
Jan Schmidt
874b665710 hlsdemux2: Fill in skipped segments if possible 
After reloading a playlist using a delta request, use the previous playlist to
fill in skipped segments if possible.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00
Jan Schmidt
8a0190b521 hlsdemux2: Use skip and blocking playlist delivery directives 
Detect when we can use a blocking request and delta playlist update requests and
add the required delivery directives to the request URI.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00
Jan Schmidt
d41def562c hlsdemux2: Use stream llhls_enabled flag 
Use the stream's copy of the llhls_enabled flag when deciding whether to do
preload requests - the value that was cached when the stream started

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00
Jan Schmidt
42b0dd8c41 hlsdemux2: Split the stream object out 
Move the stream object to a separate file to split the demux level behaviour
from the stream behaviour better.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
 2023-02-03 16:52:22 +00:00