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gst/playback/gstplaybasebin.c: Improve error reporting.

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Original commit message from CVS:
* gst/playback/gstplaybasebin.c: (thread_error), (setup_source),
(gst_play_base_bin_change_state):
Improve error reporting.
This commit is contained in:
Ronald S. Bultje 2004-10-29 08:40:28 +00:00
parent 2bb3268dd5
commit 3b2fd2e665
2 changed files with 93 additions and 17 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2004-10-29 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* gst/playback/gstplaybasebin.c: (thread_error), (setup_source),
(gst_play_base_bin_change_state):
Improve error reporting.
2004-10-28 Wim Taymans <wim@fluendo.com>
* gst/tcp/Makefile.am:

104
gst/playback/gstplaybasebin.c
View file

@ -398,6 +398,20 @@ new_decoded_pad (GstElement * element, GstPad * pad, gboolean last,
no_more_pads (NULL, play_base_bin);
}
/*
* Cache errors...
*/
static void
thread_error (GstElement * element,
GstElement * orig, GError * error, const gchar * debug, gpointer data)
{
GError **_error = data;
if (!*_error)
*_error = g_error_copy (error);
}
/* signal fired when the internal thread performed an unexpected
* state change. This usually indicated an error occured. We stop the
* preroll stage.
@ -423,7 +437,7 @@ state_change (GstElement * element,
* all the streams or until a preroll queue has been filled.
*/
static gboolean
setup_source (GstPlayBaseBin * play_base_bin)
setup_source (GstPlayBaseBin * play_base_bin, GError ** error)
{
GstElement *old_src;
GstElement *old_dec;
@ -521,7 +535,7 @@ setup_source (GstPlayBaseBin * play_base_bin)
{
gboolean res;
gint sig1, sig2, sig3, sig4;
gint sig1, sig2, sig3, sig4, sig5;
/* now create the decoder element */
play_base_bin->decoder = gst_element_factory_make ("decodebin", "decoder");
@ -547,6 +561,8 @@ setup_source (GstPlayBaseBin * play_base_bin)
G_CALLBACK (no_more_pads), play_base_bin);
sig3 = g_signal_connect (G_OBJECT (play_base_bin->decoder), "unknown-type",
G_CALLBACK (unknown_type), play_base_bin);
sig4 = g_signal_connect (G_OBJECT (play_base_bin->thread), "error",
G_CALLBACK (thread_error), error);
/* either when the queues are filled or when the decoder element has no more
* dynamic streams, the cond is unlocked. We can remove the signal handlers then
@ -557,7 +573,7 @@ setup_source (GstPlayBaseBin * play_base_bin)
GList *prerolls;
GST_DEBUG ("waiting for preroll...");
sig4 = g_signal_connect (G_OBJECT (play_base_bin->thread),
sig5 = g_signal_connect (G_OBJECT (play_base_bin->thread),
"state-change", G_CALLBACK (state_change), play_base_bin);
g_cond_wait (play_base_bin->preroll_cond, play_base_bin->preroll_lock);
GST_DEBUG ("preroll done !");
@ -577,12 +593,13 @@ setup_source (GstPlayBaseBin * play_base_bin)
}
} else {
GST_DEBUG ("state change failed, media cannot be loaded");
sig4 = 0;
sig5 = 0;
}
g_mutex_unlock (play_base_bin->preroll_lock);
if (sig4 != 0)
g_signal_handler_disconnect (G_OBJECT (play_base_bin->thread), sig4);
if (sig5 != 0)
g_signal_handler_disconnect (G_OBJECT (play_base_bin->thread), sig5);
g_signal_handler_disconnect (G_OBJECT (play_base_bin->thread), sig4);
g_signal_handler_disconnect (G_OBJECT (play_base_bin->decoder), sig3);
g_signal_handler_disconnect (G_OBJECT (play_base_bin->decoder), sig2);
g_signal_handler_disconnect (G_OBJECT (play_base_bin->decoder), sig1);
@ -707,19 +724,72 @@ gst_play_base_bin_change_state (GstElement * element)
}
case GST_STATE_READY_TO_PAUSED:
{
if (!setup_source (play_base_bin)) {
GST_ELEMENT_ERROR (GST_ELEMENT (play_base_bin), STREAM,
CODEC_NOT_FOUND,
("cannot open file \"%s\"", play_base_bin->uri), (NULL));
ret = GST_STATE_FAILURE;
} else if (!play_base_bin->streaminfo) {
GST_ELEMENT_ERROR (GST_ELEMENT (play_base_bin), STREAM,
CODEC_NOT_FOUND,
("Failed to find any supported stream in file \"%s\"",
play_base_bin->uri), (NULL));
GError *error = NULL;
if (!setup_source (play_base_bin, &error) || error != NULL) {
if (!error) {
/* opening failed but no error - hellup */
GST_ELEMENT_ERROR (GST_ELEMENT (play_base_bin), STREAM,
NOT_IMPLEMENTED,
("cannot open file \"%s\"", play_base_bin->uri), (NULL));
} else {
/* just copy the cached error - type doesn't matter */
GST_ELEMENT_ERROR (play_base_bin, STREAM, TOO_LAZY,
(error->message), (NULL));
g_error_free (error);
}
ret = GST_STATE_FAILURE;
} else {
ret = gst_element_set_state (play_base_bin->thread, GST_STATE_PAUSED);
const GList *item;
gboolean stream_found = FALSE, no_media = FALSE;
/* check if we found any supported stream... if not, then
* we detected stream type (or the above would've failed),
* but linking/decoding failed - plugin probably missing. */
for (item = play_base_bin->streaminfo; item != NULL; item = item->next) {
GstStreamInfo *info = GST_STREAM_INFO (item->data);
if (info->type != GST_STREAM_TYPE_UNKNOWN) {
stream_found = TRUE;
break;
} else if (!item->prev && !item->next) {
/* We're no audio/video and the only stream... We could
* be something not-media that's detected because then our
* typefind doesn't mess up with mp3 (bz2, gz, elf, ...) */
if (GST_IS_PAD (info->object)) {
const GstCaps *caps = GST_PAD_CAPS (GST_PAD (info->object));
if (caps) {
const gchar *mime =
gst_structure_get_name (gst_caps_get_structure (caps, 0));
if (!strcmp (mime, "application/x-executable") ||
!strcmp (mime, "application/x-bzip") ||
!strcmp (mime, "application/x-gzip") ||
!strcmp (mime, "application/zip") ||
!strcmp (mime, "application/x-compress")) {
no_media = TRUE;
}
}
}
}
}
if (!stream_found) {
if (!no_media) {
GST_ELEMENT_ERROR (play_base_bin, STREAM, CODEC_NOT_FOUND,
("There were no decoders found to handle the stream in file "
"\"%s\", you might need to install the corresponding plugins",
play_base_bin->uri), (NULL));
} else {
GST_ELEMENT_ERROR (play_base_bin, STREAM, WRONG_TYPE,
("File \"%s\" is not a media file", play_base_bin->uri),
(NULL));
}
ret = GST_STATE_FAILURE;
} else {
ret = gst_element_set_state (play_base_bin->thread, GST_STATE_PAUSED);
}
}
if (ret == GST_STATE_SUCCESS) {
/* error forwarding: