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
fe41db92db
hlsdemux2/playlist-loader: Implement more features
...
Implement limited retries on download errors before reporting it, and remember
permanent redirects, with LL-HLS directives removed.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:23 +00:00
Jan Schmidt
9ae3978c72
hlsdemuxdemux2: Consider the hold-back when calculating seek range
...
When calculating the seek range for a live stream, use the same hold-back logic
as when choosing a starting segment, including low-latency segments if
enabled. Permits seeking closer to the live edge when re-synching or catching
up.
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
93d92d5ddf
adaptivedemux2: Handle more async stream cases
...
Handle BUSY flow returns when making calls from external threads, and inhibit
fragment downloads during stream prepare
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
52d577eee1
adaptivedemux2: Fix for failed download handling
...
When playing at the live edge of a live playlist, and a download fails, we don't
expect there to be a next fragment. That case is handled lower down anyway, so
don't retry infinitely on spurious http errors at the live edge.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:23 +00:00
Jan Schmidt
ceda805abb
adaptivedemux2: Drop segment lock on stream_seek error.
...
If stream_seek() fails, make sure to drop the segment lock before bailing out.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:23 +00:00
Jan Schmidt
44d3751d68
adaptivedemux2: Add gst_adaptive_demux2_stream_wait_prepared()
...
Add a method that waits for a stream to signal the prepare_cond after it returns
a BUSY flow return.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:23 +00:00
Jan Schmidt
d3acafbb5a
adaptivedemux2: Remove gst_adaptive_demux2_stream_has_selected_tracks
...
Use gst_adaptive_demux2_stream_is_selected_locked() instead, which is identical
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:23 +00:00
Jan Schmidt
8d0c7d9d93
adaptivedemux2: Move GST_ADAPTIVE_DEMUX_FLOW_BUSY to adaptivedemux.h
...
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
Jan Schmidt
67bc8d7cc0
adaptivedemux2: Add gst_adaptive_demux_get_loop()
...
Add an accessor function for retrieving the demuxer's scheduler thread loop.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:23 +00:00
Jan Schmidt
2082c8912d
adaptivedemux2: Add gst_adaptive_demux_period_add_stream()
...
Make a function for adding a stream to a period, for better encapsulation.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:23 +00:00
Jan Schmidt
82839fb82f
adaptivedemux2: Add new flow return value for BUSY and PREPARE stream state
...
Neither are used yet, they're just placeholders.
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
018a6192bd
hlsdemux2: Include skipped segments in MSN calculation
...
When a playlist has skipped segments, increment the MSN to account for them so
the remaining segments end up with the right sequence numbers.
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
703d29549a
hlsdemux2: Add gst_hls_media_playlist_sync_skipped_segments()
...
Add a method that transfers over skipped segments from a reference playlist,
used to repopulate a delta playlist
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
7496d2750e
hlsdemux2: Parse EXT-X-SKIP tag
...
Parse the attributes from the EXT-X-SKIP tag
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
c16366e5f3
hlsdemux2: Add gst_hls_media_playlist_get_next_msn_and_part()
...
Add a function that computes the media sequence number and/or part index that
are immediately after the end of the playlist, for use in blocking playlist
requests
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
Jan Schmidt
5baf5f4b1e
hlsdemux2: Add a timestamp to the playlist
...
Store the timestamp for this playlist. If valid it represents the monotonic time
at which the data was retrieved, minus any proxy cache Age field.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
a3770523c0
adaptivedemux2/downloadrequest: add a helper to retrieve the Age header
...
Add a method to look at HTTP response headers and parse and return any Age
header, provided by caching proxy servers if the data was provided from a cache.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
90bedcb2bc
hlsdemux2: Fix missed segment match for partial-only segment
...
Fix a case where the matching code might not select the final partial-only
segment because it has too short a duration (while it's still being created)
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
9edb2f6690
hlsdemux2: In live, match buffering to the hold back distance
...
When playing a live stream, make the recommended buffering threshold at most the
hold-back distance from live. If we start 3 seconds from the live edge, there's
no point trying to buffer more - we'll just hit the live edge and have to wait
for more data to be available anyway.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
1e6550f623
hlsdemux2: Resync stream time on partial segment boundaries
...
When resyncing stream times in a playlist, support at any partial segment
position, not just at full segment boundaries.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
bdec75f9dc
hlsdemux2: Calculate / transfer timing info for preloads
...
When fulfilling data requests, transfer timing information so the stream can
calculate data bitrates.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
5192181ef5
adaptivedemux2: Add most recent data time and offset helper
...
Add a field to the DownloadRequest that reports the most recent time at which
data arrived. Update it in the DownloadHelper.
Add a method to retrieve the GST_BUFFER_OFFSET() for the DownloadRequest's data
buffer (if any).
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
40938c8853
adaptivedemux2: Handle another case in download_request_take_buffer_range
...
Handle the case where we want to get a range from the available data that
doesn't start at the first available byte (and discard the bytes before that
start offset).
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
cbb9cfe987
hlsdemux2: Cancel preload before fetching something else
...
When submitting a request for fragment or header that doesn't match any preload,
make sure there's not an ongoing preload for that data type, to avoid parallel
downloads using up bandwidth.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
70bfeff35d
hlsdemux2: Fix assertion on shutdown
...
After cancelling a DownloadRequest, the download helper may not do so
immediately, so we can't assert on the in_use flag. Also, since there's no
refcount on the preload hint struct in the download request callback data, make
sure no callbacks will be dispatched when we're going to free the preload hint
struct.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
44107d0c4b
hlsdemux2: Implement the stream submit_request() vfunc
...
Implement the submit_request() vfunc for streams and fulfil requests from the
preload hint data if possible.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
a7e5236a39
hlsdemux2/preloader: Implement basic request handling
...
Implement fulfilment of HTTP requests from the active preload downloads by
finding any preload request that can provide the requested data and feeding
bytes from the internal DownloadRequest to the caller provided target
DownloadRequest.
Doesn't yet calculate timestamps to make the target request have a sensible
apparent bitrate.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
940811d593
adaptivedemux2/downloadrequest: Add new methods
...
Add download_request_take_buffer_range() and
download_request_get_bytes_available() methods.
download_request_take_buffer_range() takes bytes from the front of the request
that satisfy the requested start/end byterange, and puts any remaining bytes
back into the DownloadRequest
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
76565e8979
adaptivdemux2: Improve a comment about unlocking download requests.
...
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
a14f4f7054
adaptivedemux2: Make download mechanism overrideable
...
Make the mechanism by which DownloadRequests are fulfilled overrideable by the
subclass, in case it has an internal mechanism it can use (such as blocking
preloads in HLS)
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
cb27c05ca7
hlsdemux2: Add preloader helper.
...
Add a helper that submits and handles blocking preload requests for future
PART/MAP data from live playlists. Add handling in the hlsdemux stream to submit
preload requests when hitting the end of the available segments in a live
playlist.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
5ca336226e
hlsdemux2: Add preload equality helper
...
Add a helper function that compares two preload hints for equality based on URI
and requested byte range.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00
Jan Schmidt
30bc72d6c7
adaptivedemux2: Define RFC8673_LAST_BYTE_POS
...
Define the recommended value from RFC8673 for the last byte of an open-ended
range request intended to invoke chunked blocking downloads of an incrementally
created resource.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883 >
2023-02-03 16:52:22 +00:00