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urisourcebin: Move adaptive demuxer handling into ChildSrcPadInfo

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It's part of that chain of elements

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2784>
This commit is contained in:
Edward Hervey 2022-11-01 10:30:19 +01:00 committed by GStreamer Marge Bot
parent a5f0085cda
commit 64d775a44f
1 changed files with 17 additions and 32 deletions
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49
subprojects/gst-plugins-base/gst/playback/gsturisourcebin.c
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@ -102,6 +102,10 @@ struct _ChildSrcPadInfo
/* An optional typefind */
GstElement *typefind;
/* An optional demuxer */
GstElement *demuxer;
gboolean demuxer_handles_buffering;
/* list of output slots */
GList *outputs;
};
@ -147,7 +151,6 @@ struct _GstURISourceBin
gboolean is_stream;
gboolean is_adaptive;
gboolean demuxer_handles_buffering; /* If TRUE: Don't use buffering elements */
guint64 buffer_duration; /* When buffering, buffer duration (ns) */
guint buffer_size; /* When buffering, buffer size (bytes) */
gboolean download;
@ -159,8 +162,6 @@ struct _GstURISourceBin
GList *src_infos; /* List of ChildSrcPadInfo for the source */
GstElement *demuxer; /* Adaptive demuxer if any */
guint numpads;
/* for dynamic sources */
@ -286,7 +287,6 @@ static GstStateChangeReturn gst_uri_source_bin_change_state (GstElement *
static void handle_new_pad (ChildSrcPadInfo * info, GstPad * srcpad,
GstCaps * caps);
static gboolean setup_typefind (ChildSrcPadInfo * info);
static void remove_demuxer (GstURISourceBin * bin);
static void expose_output_pad (GstURISourceBin * urisrc, GstPad * pad);
static OutputSlotInfo *new_output_slot (ChildSrcPadInfo * info,
gboolean do_download, gboolean is_adaptive, gboolean no_buffering,
@ -498,8 +498,6 @@ gst_uri_source_bin_init (GstURISourceBin * urisrc)
urisrc->low_watermark = DEFAULT_LOW_WATERMARK;
urisrc->high_watermark = DEFAULT_HIGH_WATERMARK;
urisrc->demuxer_handles_buffering = FALSE;
GST_OBJECT_FLAG_SET (urisrc,
GST_ELEMENT_FLAG_SOURCE | GST_BIN_FLAG_STREAMS_AWARE);
gst_bin_set_suppressed_flags (GST_BIN (urisrc),
@ -511,7 +509,6 @@ gst_uri_source_bin_finalize (GObject * obj)
{
GstURISourceBin *urisrc = GST_URI_SOURCE_BIN (obj);
remove_demuxer (urisrc);
g_mutex_clear (&urisrc->lock);
g_mutex_clear (&urisrc->buffering_lock);
g_mutex_clear (&urisrc->buffering_post_lock);
@ -653,6 +650,11 @@ free_child_src_pad_info (ChildSrcPadInfo * info, GstURISourceBin * urisrc)
}
gst_object_unref (info->src_pad);
if (info->demuxer) {
GST_DEBUG_OBJECT (urisrc, "Removing demuxer");
gst_element_set_state (info->demuxer, GST_STATE_NULL);
gst_bin_remove (GST_BIN_CAST (urisrc), info->demuxer);
}
g_list_foreach (info->outputs, (GFunc) free_output_slot, urisrc);
g_list_free (info->outputs);
@ -702,7 +704,7 @@ new_demuxer_pad_added_cb (GstElement * element, GstPad * pad,
/* If the demuxer handles buffering and is streams-aware, we can expose it
as-is directly. We still add an event probe to deal with EOS */
slot =
new_output_slot (info, FALSE, FALSE, urisrc->demuxer_handles_buffering,
new_output_slot (info, FALSE, FALSE, info->demuxer_handles_buffering,
pad);
output_pad = gst_object_ref (slot->output_pad);
@ -1654,19 +1656,6 @@ restart:
return res;
}
/* Remove any adaptive demuxer element */
static void
remove_demuxer (GstURISourceBin * bin)
{
if (bin->demuxer) {
GST_DEBUG_OBJECT (bin, "removing old demuxer element");
gst_element_set_state (bin->demuxer, GST_STATE_NULL);
gst_bin_remove (GST_BIN_CAST (bin), bin->demuxer);
bin->demuxer = NULL;
bin->demuxer_handles_buffering = FALSE;
}
}
/* make a demuxer and connect to all the signals */
static GstElement *
make_demuxer (GstURISourceBin * urisrc, ChildSrcPadInfo * info, GstCaps * caps)
@ -1785,20 +1774,19 @@ handle_new_pad (ChildSrcPadInfo * info, GstPad * srcpad, GstCaps * caps)
GstPadLinkReturn link_res;
GstQuery *query;
urisrc->demuxer = make_demuxer (urisrc, info, caps);
if (!urisrc->demuxer)
info->demuxer = make_demuxer (urisrc, info, caps);
if (!info->demuxer)
goto no_demuxer;
gst_bin_add (GST_BIN_CAST (urisrc), urisrc->demuxer);
gst_bin_add (GST_BIN_CAST (urisrc), info->demuxer);
/* Query the demuxer to see if it can handle buffering */
query = gst_query_new_buffering (GST_FORMAT_TIME);
urisrc->demuxer_handles_buffering =
gst_element_query (urisrc->demuxer, query);
info->demuxer_handles_buffering = gst_element_query (info->demuxer, query);
gst_query_unref (query);
GST_DEBUG_OBJECT (urisrc, "Demuxer handles buffering : %d",
urisrc->demuxer_handles_buffering);
info->demuxer_handles_buffering);
sinkpad = gst_element_get_static_pad (urisrc->demuxer, "sink");
sinkpad = gst_element_get_static_pad (info->demuxer, "sink");
if (sinkpad == NULL)
goto no_demuxer_sink;
@ -1808,7 +1796,7 @@ handle_new_pad (ChildSrcPadInfo * info, GstPad * srcpad, GstCaps * caps)
if (link_res != GST_PAD_LINK_OK)
goto could_not_link;
gst_element_sync_state_with_parent (urisrc->demuxer);
gst_element_sync_state_with_parent (info->demuxer);
} else if (!urisrc->is_stream) {
OutputSlotInfo *slot;
GstPad *output_pad;
@ -2015,9 +2003,6 @@ remove_source (GstURISourceBin * urisrc)
urisrc->src_infos = NULL;
}
GST_URI_SOURCE_BIN_UNLOCK (urisrc);
if (urisrc->demuxer)
remove_demuxer (urisrc);
}
/* is called when a dynamic source element created a new pad. */