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playsink: Post missing element messages if a core plugin is missing

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And post a warning in cases where we can still continue to work
or an error when the missing element is fatal.
This commit is contained in:
Sebastian Dröge 2010-02-15 08:46:26 +01:00
parent b326b77ffa
commit dbf632f3fb
1 changed files with 71 additions and 19 deletions
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90
gst/playback/gstplaysink.c
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@ -1002,10 +1002,19 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async,
* need a lot of buffers as this consumes a lot of memory and we don't want
* too little because else we would be context switching too quickly. */
chain->queue = gst_element_factory_make ("queue", "vqueue");
g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
"max-size-bytes", 0, "max-size-time", (gint64) 0, NULL);
gst_bin_add (bin, chain->queue);
head = prev = chain->queue;
if (chain->queue == NULL) {
post_missing_element_message (playsink, "queue");
GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"queue"), ("video rendering might be suboptimal"));
head = chain->sink;
prev = NULL;
} else {
g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
"max-size-bytes", 0, "max-size-time", (gint64) 0, NULL);
gst_bin_add (bin, chain->queue);
head = prev = chain->queue;
}
} else {
head = chain->sink;
prev = NULL;
@ -1214,10 +1223,17 @@ gen_text_chain (GstPlaySink * playsink)
if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)) {
/* make a little queue */
chain->queue = gst_element_factory_make ("queue", "vqueue");
g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
"max-size-bytes", 0, "max-size-time", (gint64) 0, NULL);
gst_bin_add (bin, chain->queue);
videosinkpad = gst_element_get_static_pad (chain->queue, "sink");
if (chain->queue == NULL) {
post_missing_element_message (playsink, "queue");
GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"queue"), ("video rendering might be suboptimal"));
} else {
g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
"max-size-bytes", 0, "max-size-time", (gint64) 0, NULL);
gst_bin_add (bin, chain->queue);
videosinkpad = gst_element_get_static_pad (chain->queue, "sink");
}
chain->overlay =
gst_element_factory_make ("subtitleoverlay", "suboverlay");
@ -1250,11 +1266,18 @@ gen_text_chain (GstPlaySink * playsink)
* thing we can do is insert an identity and ghost the src
* and sink pads. */
chain->identity = gst_element_factory_make ("identity", "tidentity");
g_object_set (chain->identity, "signal-handoffs", FALSE, NULL);
g_object_set (chain->identity, "silent", TRUE, NULL);
gst_bin_add (bin, chain->identity);
srcpad = gst_element_get_static_pad (chain->identity, "src");
videosinkpad = gst_element_get_static_pad (chain->identity, "sink");
if (chain->identity == NULL) {
post_missing_element_message (playsink, "identity");
GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"identity"), (NULL));
} else {
g_object_set (chain->identity, "signal-handoffs", FALSE, NULL);
g_object_set (chain->identity, "silent", TRUE, NULL);
gst_bin_add (bin, chain->identity);
srcpad = gst_element_get_static_pad (chain->identity, "src");
videosinkpad = gst_element_get_static_pad (chain->identity, "sink");
}
}
/* expose the ghostpads */
@ -1362,8 +1385,17 @@ gen_audio_chain (GstPlaySink * playsink, gboolean raw, gboolean queue)
* visualisations */
GST_DEBUG_OBJECT (playsink, "adding audio queue");
chain->queue = gst_element_factory_make ("queue", "aqueue");
gst_bin_add (bin, chain->queue);
prev = head = chain->queue;
if (chain->queue == NULL) {
post_missing_element_message (playsink, "queue");
GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"queue"), ("audio playback and visualizations might not work"));
head = chain->sink;
prev = NULL;
} else {
gst_bin_add (bin, chain->queue);
prev = head = chain->queue;
}
} else {
head = chain->sink;
prev = NULL;
@ -1660,6 +1692,8 @@ gen_vis_chain (GstPlaySink * playsink)
/* we're queuing raw audio here, we can remove this queue when we can disable
* async behaviour in the video sink. */
chain->queue = gst_element_factory_make ("queue", "visqueue");
if (chain->queue == NULL)
goto no_queue;
gst_bin_add (bin, chain->queue);
chain->conv = gst_element_factory_make ("audioconvert", "aconv");
@ -1710,6 +1744,15 @@ gen_vis_chain (GstPlaySink * playsink)
return chain;
/* ERRORS */
no_queue:
{
post_missing_element_message (playsink, "queue");
GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"queue"), (NULL));
free_chain ((GstPlayChain *) chain);
return NULL;
}
no_audioconvert:
{
post_missing_element_message (playsink, "audioconvert");
@ -2192,10 +2235,19 @@ gst_play_sink_request_pad (GstPlaySink * playsink, GstPlaySinkType type)
/* create tee when needed. This element will feed the audio sink chain
* and the vis chain. */
playsink->audio_tee = gst_element_factory_make ("tee", "audiotee");
playsink->audio_tee_sink =
gst_element_get_static_pad (playsink->audio_tee, "sink");
gst_bin_add (GST_BIN_CAST (playsink), playsink->audio_tee);
gst_element_set_state (playsink->audio_tee, GST_STATE_PAUSED);
if (playsink->audio_tee == NULL) {
post_missing_element_message (playsink, "tee");
GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"tee"), (NULL));
res = NULL;
break;
} else {
playsink->audio_tee_sink =
gst_element_get_static_pad (playsink->audio_tee, "sink");
gst_bin_add (GST_BIN_CAST (playsink), playsink->audio_tee);
gst_element_set_state (playsink->audio_tee, GST_STATE_PAUSED);
}
} else {
gst_element_set_state (playsink->audio_tee, GST_STATE_PAUSED);
}