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gst-libs/gst/play/play.c: - add debugging info

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Original commit message from CVS:

* gst-libs/gst/play/play.c: (gst_play_pipeline_setup),
(gst_play_get_length_callback), (gst_play_set_location),
(gst_play_seek_to_time), (gst_play_set_data_src),
(gst_play_set_video_sink), (gst_play_set_audio_sink),
(gst_play_set_visualization), (gst_play_connect_visualization),
(gst_play_get_sink_element):
- add debugging info
- fix looking up sink elements by iterating over complete caps
- put everything except for source and autoplugger in a complete bin
This commit is contained in:
Thomas Vander Stichele 2004-07-08 13:44:06 +00:00
parent 62758fb0fd
commit 3a29006258
2 changed files with 105 additions and 28 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2004-07-08 Thomas Vander Stichele <thomas (at) apestaart (dot) org>
* gst-libs/gst/play/play.c: (gst_play_pipeline_setup),
(gst_play_get_length_callback), (gst_play_set_location),
(gst_play_seek_to_time), (gst_play_set_data_src),
(gst_play_set_video_sink), (gst_play_set_audio_sink),
(gst_play_set_visualization), (gst_play_connect_visualization),
(gst_play_get_sink_element):
- add debugging info
- fix looking up sink elements by iterating over complete caps
- put everything except for source and autoplugger in a complete bin
2004-07-08 Thomas Vander Stichele <thomas (at) apestaart (dot) org>
* ext/alsa/gstalsa.c: (gst_alsa_drain_audio):

99
gst-libs/gst/play/play.c
View file

@ -132,14 +132,25 @@ G_STMT_START { \
} G_STMT_END
/* setup parts of the pipeline
* only put decoding part in the thread
* create all others and keep them around
*/
static gboolean
gst_play_pipeline_setup (GstPlay * play, GError ** error)
{
/* Threads */
GstElement *work_thread, *audio_thread, *video_thread;
/* output bin */
GstElement *output_bin;
/* Main Thread elements */
GstElement *source, *autoplugger, *audioconvert, *volume, *tee, *identity;
GstElement *source, *autoplugger;
/* output bin elements */
GstElement *audioconvert, *volume, *tee, *identity;
GstElement *identity_cs;
/* Visualization bin */
@ -158,6 +169,7 @@ gst_play_pipeline_setup (GstPlay * play, GError ** error)
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
GST_DEBUG_OBJECT (play, "setting up pipeline");
/* Creating main thread and its elements */
{
GST_PLAY_MAKE_OR_ERROR (work_thread, "thread", "work_thread", error);
@ -172,6 +184,16 @@ gst_play_pipeline_setup (GstPlay * play, GError ** error)
GST_PLAY_MAKE_OR_ERROR (autoplugger, "spider", "autoplugger", error);
g_hash_table_insert (play->priv->elements, "autoplugger", autoplugger);
/* adding and linking */
gst_bin_add_many (GST_BIN (work_thread), source, autoplugger, NULL);
if (!gst_element_link (source, autoplugger))
GST_PLAY_ERROR_RETURN (error, "Could not link source and autoplugger");
}
/* output bin */
{
GST_PLAY_MAKE_OR_ERROR (output_bin, "bin", "output_bin", error);
g_hash_table_insert (play->priv->elements, "output_bin", output_bin);
/* Make sure we convert audio to the needed format */
GST_PLAY_MAKE_OR_ERROR (audioconvert, "audioconvert", "audioconvert",
error);
@ -185,10 +207,9 @@ gst_play_pipeline_setup (GstPlay * play, GError ** error)
g_hash_table_insert (play->priv->elements, "tee_pad2", tee_pad2);
g_hash_table_insert (play->priv->elements, "tee", tee);
gst_bin_add_many (GST_BIN (work_thread), source, autoplugger, audioconvert,
tee, NULL);
if (!gst_element_link_many (source, autoplugger, audioconvert, tee, NULL))
GST_PLAY_ERROR_RETURN (error, "Could not link source thread elements");
gst_bin_add_many (GST_BIN (output_bin), audioconvert, tee, NULL);
if (!gst_element_link (audioconvert, tee))
GST_PLAY_ERROR_RETURN (error, "Could not link audio thread elements");
/* identity ! colorspace ! switch */
GST_PLAY_MAKE_OR_ERROR (identity, "identity", "identity", error);
@ -207,9 +228,10 @@ gst_play_pipeline_setup (GstPlay * play, GError ** error)
}
}
g_hash_table_insert (play->priv->elements, "identity_cs", identity_cs);
gst_bin_add_many (GST_BIN (work_thread), identity, identity_cs, NULL);
gst_bin_add_many (GST_BIN (output_bin), identity, identity_cs, NULL);
if (!gst_element_link_many (autoplugger, identity, identity_cs, NULL))
GST_PLAY_ERROR_RETURN (error, "Could not link work thread elements");
gst_bin_add (GST_BIN (work_thread), output_bin);
}
/* Visualization bin (note: it s not added to the pipeline yet) */
@ -256,7 +278,7 @@ gst_play_pipeline_setup (GstPlay * play, GError ** error)
{
GST_PLAY_MAKE_OR_ERROR (video_thread, "thread", "video_thread", error);
g_hash_table_insert (play->priv->elements, "video_thread", video_thread);
gst_bin_add (GST_BIN (work_thread), video_thread);
gst_bin_add (GST_BIN (output_bin), video_thread);
/* Buffer queue for video data */
GST_PLAY_MAKE_OR_ERROR (video_queue, "queue", "video_queue", error);
@ -340,7 +362,7 @@ gst_play_pipeline_setup (GstPlay * play, GError ** error)
{
GST_PLAY_MAKE_OR_ERROR (audio_thread, "thread", "audio_thread", error);
g_hash_table_insert (play->priv->elements, "audio_thread", audio_thread);
gst_bin_add (GST_BIN (work_thread), audio_thread);
gst_bin_add (GST_BIN (output_bin), audio_thread);
/* Buffer queue for our audio thread */
GST_PLAY_MAKE_OR_ERROR (audio_queue, "queue", "audio_queue", error);
@ -366,6 +388,7 @@ gst_play_pipeline_setup (GstPlay * play, GError ** error)
gst_pad_link (tee_pad2, gst_element_get_pad (audio_queue, "sink"));
}
GST_DEBUG_OBJECT (play, "setting up pipeline succeeded.");
return TRUE;
}
@ -432,6 +455,7 @@ gst_play_get_length_callback (GstPlay * play)
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
GST_DEBUG_OBJECT (play, "trying to get length");
/* We try to get length from all real sink elements */
audio_sink_element = g_hash_table_lookup (play->priv->elements,
"audio_sink_element");
@ -444,15 +468,25 @@ gst_play_get_length_callback (GstPlay * play)
}
/* Audio first and then Video */
if (GST_IS_ELEMENT (audio_sink_element))
if (GST_IS_ELEMENT (audio_sink_element)) {
GST_DEBUG_OBJECT (play, "querying for length on audio sink");
q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format,
&value);
if ((!q) && (GST_IS_ELEMENT (video_sink_element)))
} else
GST_DEBUG_OBJECT (play, "no audio sink element");
if (!q) {
GST_DEBUG_OBJECT (play, "no query result from audio sink");
if (GST_IS_ELEMENT (video_sink_element)) {
GST_DEBUG_OBJECT (play, "querying for length on video sink");
q = gst_element_query (video_sink_element, GST_QUERY_TOTAL, &format,
&value);
}
}
if (q) {
play->priv->length_nanos = value;
GST_DEBUG_OBJECT (play, "got length, %" GST_TIME_FORMAT,
GST_TIME_ARGS ((GstClockTime) value));
g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH],
0, play->priv->length_nanos);
play->priv->length_id = 0;
@ -460,6 +494,8 @@ gst_play_get_length_callback (GstPlay * play)
}
play->priv->get_length_attempt++;
GST_DEBUG_OBJECT (play, "no length yet, was attempt %d",
play->priv->get_length_attempt);
/* We try 16 times */
if (play->priv->get_length_attempt > 15) {
@ -782,16 +818,20 @@ gst_play_get_location (GstPlay * play)
*
* Performs a seek on @play until @time_nanos.
*/
/* FIXME: use GstClockTime for 0.9 */
gboolean
gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
{
GstElement *audio_seek_element, *video_seek_element, *audio_sink_element;
GstClockTime seek_to;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
g_return_val_if_fail (time_nanos >= 0L, FALSE);
if (time_nanos < 0LL)
time_nanos = 0LL;
seek_to = (GstClockTime) time_nanos;
GST_DEBUG_OBJECT (play, "seeking to time %" GST_TIME_FORMAT,
GST_TIME_ARGS (seek_to));
audio_seek_element = g_hash_table_lookup (play->priv->elements,
"audioconvert");
@ -849,6 +889,8 @@ gst_play_set_data_src (GstPlay * play, GstElement * data_src)
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
GST_DEBUG_OBJECT (play, "setting new data src element %s",
GST_ELEMENT_NAME (data_src));
/* We bring back the pipeline to READY */
if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) {
GstElementStateReturn ret;
@ -1248,18 +1290,25 @@ gst_play_get_sink_element (GstPlay * play,
g_return_val_if_fail (GST_IS_PLAY (play), NULL);
g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
GST_DEBUG_OBJECT (play, "looking for sink element in %s",
GST_ELEMENT_NAME (element));
if (!GST_IS_BIN (element)) {
/* since its not a bin, we'll presume this
/* since its not a bin, we'll assume this
* element is a sink element */
GST_DEBUG_OBJECT (play, "not a bin, returning %s as sink element",
GST_ELEMENT_NAME (element));
return element;
}
elements = (GList *) gst_bin_get_list (GST_BIN (element));
/* traverse all elements looking for a src pad */
/* traverse all elements looking for one without src pad */
while (elements) {
element = GST_ELEMENT (elements->data);
GST_DEBUG_OBJECT (play, "looking at element %s",
GST_ELEMENT_NAME (element));
/* Recursivity :) */
@ -1274,17 +1323,29 @@ gst_play_get_sink_element (GstPlay * play,
while (pads) {
/* check for src pad */
if (GST_PAD_DIRECTION (GST_PAD (pads->data)) == GST_PAD_SRC) {
GST_DEBUG_OBJECT (play, "element %s has a src pad",
GST_ELEMENT_NAME (element));
has_src = TRUE;
break;
} else {
/* If not a src pad checking caps */
GstPad *pad;
GstCaps *caps;
GstStructure *structure;
int i;
gboolean has_video_cap = FALSE;
gboolean has_audio_cap = FALSE;
caps = gst_pad_get_caps (GST_PAD (pads->data));
structure = gst_caps_get_structure (caps, 0);
pad = GST_PAD (pads->data);
caps = gst_pad_get_caps (pad);
/* loop over all caps members to find mime types */
for (i = 0; i < gst_caps_get_size (caps); ++i) {
structure = gst_caps_get_structure (caps, i);
GST_DEBUG_OBJECT (play,
"looking at caps %d pad %s:%s on element %s with mime %s", i,
GST_DEBUG_PAD_NAME (pad),
GST_ELEMENT_NAME (element), gst_structure_get_name (structure));
if (strcmp (gst_structure_get_name (structure),
"audio/x-raw-int") == 0) {
@ -1297,6 +1358,7 @@ gst_play_get_sink_element (GstPlay * play,
"video/x-raw-rgb") == 0) {
has_video_cap = TRUE;
}
}
gst_caps_free (caps);
@ -1322,9 +1384,12 @@ gst_play_get_sink_element (GstPlay * play,
}
if ((!has_src) && (has_correct_type))
if ((!has_src) && (has_correct_type)) {
GST_DEBUG_OBJECT (play, "found %s with src pad and correct type",
GST_ELEMENT_NAME (element));
return element;
}
}
elements = g_list_next (elements);
}