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splitmuxsrc: Document new properties and signals
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7053>
This commit is contained in:
Jan Schmidt
parent
64fd2b265f
commit
356710f6fa
2 changed files with 93 additions and 2 deletions
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@ -11002,10 +11002,57 @@
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"readable": true,
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"type": "gchararray",
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"writable": true
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},
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"num-lookahead": {
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"blurb": "When switching fragments, ensure the next N fragments are prepared. Useful on slow devices if opening/preparing a new fragment can cause playback stalls",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "1",
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"max": "-1",
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"min": "0",
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"mutable": "null",
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"readable": true,
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"type": "guint",
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"writable": true
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},
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"num-open-fragments": {
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"blurb": "Number of files to keep open simultaneously. (0 = open all fragments at the start). May still use slightly more if set to less than the number of streams in the files",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "100",
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"max": "-1",
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"min": "0",
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"mutable": "null",
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"readable": true,
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"type": "guint",
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"writable": true
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}
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},
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"rank": "none",
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"signals": {
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"add-fragment": {
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"action": true,
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"args": [
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{
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"name": "arg0",
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"type": "gchararray"
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},
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{
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"name": "arg1",
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"type": "guint64"
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},
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{
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"name": "arg2",
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"type": "guint64"
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}
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],
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"return-type": "gboolean",
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"when": "last"
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},
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"format-location": {
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"args": [],
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"return-type": "GStrv",
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@ -249,10 +249,33 @@ gst_splitmux_src_class_init (GstSplitMuxSrcClass * klass)
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_splitmux_src_change_state);
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/**
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* GstSplitMuxSrc:location:
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*
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* File glob pattern for the input file fragments. Files that match the glob will be
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* sorted and added to the set of fragments to play.
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*
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* This property is ignored if files are provided via the #GstSplitMuxSrc::format-location
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* signal, or #GstSplitMuxSrc::add-fragment signal
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*
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*/
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g_object_class_install_property (gobject_class, PROP_LOCATION,
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g_param_spec_string ("location", "File Input Pattern",
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"Glob pattern for the location of the files to read", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstSplitMuxSrc:num-open-fragments:
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*
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* Upper target for the number of files the splitmuxsrc will try to keep open
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* simultaneously. This limits the number of file handles and threads that
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* will be active.
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*
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* If num-open-fragments is quite small, a few more files might be open
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* than requested, because of the way splitmuxsrc operates internally.
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*
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* Since: 1.26
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*/
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g_object_class_install_property (gobject_class, PROP_NUM_OPEN_FRAGMENTS,
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g_param_spec_uint ("num-open-fragments", "Open files limit",
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"Number of files to keep open simultaneously. "
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@ -260,6 +283,23 @@ gst_splitmux_src_class_init (GstSplitMuxSrcClass * klass)
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"May still use slightly more if set to less than the number of streams in the files",
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0, G_MAXUINT, DEFAULT_OPEN_FRAGMENTS,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstSplitMuxSrc:num-lookahead:
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*
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* During playback, prepare / open the next N fragments in advance of the playback
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* position.
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*
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* When used in conjunction with a #GstSplitMuxSrc:num-open-fragments limit,
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* that closes fragments that haven't been used recently, lookahead can
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* re-prepare a fragment before it is used, by opening the file and reading
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* file headers and creating internal pads early.
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*
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* This can help when reading off very slow media by avoiding any data stall
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* at fragment transitions.
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*
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* Since: 1.26
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*/
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g_object_class_install_property (gobject_class, PROP_NUM_LOOKAHEAD,
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g_param_spec_uint ("num-lookahead", "Fragment Lookahead",
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"When switching fragments, ensure the next N fragments are prepared. "
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@ -269,7 +309,7 @@ gst_splitmux_src_class_init (GstSplitMuxSrcClass * klass)
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/**
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* GstSplitMuxSrc::format-location:
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* GstSplitMuxSrc:format-location:
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* @splitmux: the #GstSplitMuxSrc
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*
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* Returns: A NULL-terminated sorted array of strings containing the
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@ -293,10 +333,14 @@ gst_splitmux_src_class_init (GstSplitMuxSrcClass * klass)
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* the file will be placed in the set immediately without loading the file to measure
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* it.
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*
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* At least one fragment must be ready and available before starting
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* splitmuxsrc, either via this signal or via the #GstSplitMuxSrc:location property
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* or #GstSplitMuxSrc::format-location signal.
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*
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* Returns: A boolean. TRUE if the fragment was successfully appended.
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* FALSE on failure.
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*
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* Since: 1.24
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* Since: 1.26
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*/
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signals[SIGNAL_ADD_FRAGMENT] =
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g_signal_new_class_handler ("add-fragment",
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