From 1b3ef33748906854d79dd2d430b89932db884672 Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Sun, 7 Mar 2004 20:51:10 +0000 Subject: this should more or less work correctly. Original commit message from CVS: this should more or less work correctly. --- gst-libs/gst/media-info/Makefile.am | 6 +- gst-libs/gst/media-info/media-info-priv.c | 251 ++++++++++++++---------------- gst-libs/gst/media-info/media-info-priv.h | 8 +- gst-libs/gst/media-info/media-info-test.c | 13 +- gst-libs/gst/media-info/media-info.c | 132 ++++------------ gst-libs/gst/media-info/media-info.h | 14 +- 6 files changed, 175 insertions(+), 249 deletions(-) (limited to 'gst-libs/gst') diff --git a/gst-libs/gst/media-info/Makefile.am b/gst-libs/gst/media-info/Makefile.am index 54f77939..3a662598 100644 --- a/gst-libs/gst/media-info/Makefile.am +++ b/gst-libs/gst/media-info/Makefile.am @@ -2,12 +2,12 @@ lib_LTLIBRARIES = libgstmedia-info-@GST_MAJORMINOR@.la libgstmedia_info_@GST_MAJORMINOR@_la_SOURCES = media-info.c media-info-priv.c -libincludedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/media-info -libinclude_HEADERS = media-info.h - libgstmedia_info_@GST_MAJORMINOR@_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGIN_CFLAGS) libgstmedia_info_@GST_MAJORMINOR@_la_LIBADD = $(GST_LIBS) $(GST_PLUGIN_LIBS) +libincludedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/media-info +libinclude_HEADERS = media-info.h + noinst_PROGRAMS = media-info-test noinst_HEADERS = media-info-priv.h diff --git a/gst-libs/gst/media-info/media-info-priv.c b/gst-libs/gst/media-info/media-info-priv.c index 683f24e8..e5cd3432 100644 --- a/gst-libs/gst/media-info/media-info-priv.c +++ b/gst-libs/gst/media-info/media-info-priv.c @@ -171,8 +171,7 @@ found_tag_callback (GObject *pipeline, GstElement *source, GstTagList *tags, Gst score.meta = 0; score.encoded = 0; - g_print ("FOUND TAG : found by element \"%s\".\n", - GST_STR_NULL (GST_ELEMENT_NAME (source))); + GST_DEBUG ("element %s found tag", GST_STR_NULL (GST_ELEMENT_NAME (source))); /* decide if it's likely to be metadata or streaminfo */ /* FIXME: this is a hack, there must be a better way, @@ -193,46 +192,111 @@ found_tag_callback (GObject *pipeline, GstElement *source, GstTagList *tags, Gst } void -error_callback (GObject *element, GstElement *source, GError *error, gchar *debug) +error_callback (GObject *element, GstElement *source, GError *error, gchar *debug, GstMediaInfoPriv *priv) { g_print ("ERROR: %s\n", error->message); + g_error_free (error); } /* helpers */ -/* reset info to a state where it can be used to query for media info - * clear caps, metadata, and so on */ +/* General GError creation */ +static void +gst_media_info_error_create (GError **error, const gchar *message) +{ + /* check if caller wanted an error reported */ + if (error == NULL) + return; + + *error = g_error_new (GST_MEDIA_INFO_ERROR, 0, message); + return; +} + +/* GError creation when element is missing */ +static void +gst_media_info_error_element (const gchar *element, GError **error) +{ + gchar *message; + + message = g_strdup_printf ("The %s element could not be found. " + "This element is essential for reading. " + "Please install the right plug-in and verify " + "that it works by running 'gst-inspect %s'", + element, element); + gst_media_info_error_create (error, message); + g_free (message); + return; +} + +/* initialise priv; done the first time */ void -gmi_reset (GstMediaInfo *info) +gmip_init (GstMediaInfoPriv *priv, GError **error) { - GstMediaInfoPriv *priv = info->priv; - /* clear out some stuff */ - if (priv->format) - { - GMI_DEBUG ("unreffing priv->format, error before this ?\n"); - gst_caps_free (priv->format); - priv->format = NULL; - } - if (priv->metadata) - { - GMI_DEBUG ("unreffing priv->metadata, error before this ?\n"); - gst_tag_list_free (priv->metadata); - priv->metadata = NULL; - } +#define GST_MEDIA_INFO_MAKE_OR_ERROR(el, factory, name, error) \ +G_STMT_START { \ + el = gst_element_factory_make (factory, name); \ + if (!GST_IS_ELEMENT (el)) \ + { \ + gst_media_info_error_element (factory, error); \ + return; \ + } \ +} G_STMT_END + /* create the typefind element and make sure it stays around by reffing */ + GST_MEDIA_INFO_MAKE_OR_ERROR (priv->typefind, "typefind", "typefind", error); + gst_object_ref (GST_OBJECT (priv->typefind)); + + /* create the fakesink element and make sure it stays around by reffing */ + GST_MEDIA_INFO_MAKE_OR_ERROR (priv->fakesink, "fakesink", "fakesink", error); + gst_object_ref (GST_OBJECT (priv->fakesink)); + /* source element for media info reading */ + priv->source = NULL; + priv->source_name = NULL; +} + +/* called at the beginning of each use cycle */ +/* reset info to a state where it can be used to query for media info */ +void +gmip_reset (GstMediaInfoPriv *priv) +{ + +#define STRING_RESET(string) \ +G_STMT_START { \ + if (string) g_free (string); \ + string = NULL; \ +} G_STMT_END + + STRING_RESET(priv->pipeline_desc); + STRING_RESET(priv->location); +#undef STRING_RESET + +#define CAPS_RESET(target) \ +G_STMT_START { \ + if (target) gst_caps_free (target); \ + target = NULL; \ +} G_STMT_END + CAPS_RESET(priv->type); + CAPS_RESET(priv->format); +#undef CAPS_RESET + +#define TAGS_RESET(target) \ +G_STMT_START { \ + if (target) \ + gst_tag_list_free (target); \ + target = NULL; \ +} G_STMT_END + TAGS_RESET(priv->metadata); + TAGS_RESET(priv->streaminfo); +#undef TAGS_RESET + if (priv->stream) { - GMI_DEBUG ("freeing priv->stream, error before this ?\n"); - g_free (priv->stream); + gmi_stream_free (priv->stream); priv->stream = NULL; } - if (priv->location) - { - GMI_DEBUG ("freeing priv->location, error before this ?\n"); - g_free (priv->location); - priv->location = NULL; - } priv->flags = 0; priv->state = GST_MEDIA_INFO_STATE_NULL; + + priv->error = NULL; } /* seek to a track and reset metadata and streaminfo structs */ @@ -278,101 +342,6 @@ gmi_seek_to_track (GstMediaInfo *info, long track) return TRUE; } -#ifdef REMOVEME -/* create a good decoder for this mime type */ -/* FIXME: maybe make this more generic with a type, so it can be used - * for taggers and other things as well */ -/* FIXME: deprecated, we work with pipelines now */ -GstElement * -gmi_get_decoder (GstMediaInfo *info, const char *mime) -{ - GstElement *decoder; - gchar *factory = NULL; - - /* check if we have an active codec element in the hash table for this */ - decoder = g_hash_table_lookup (info->priv->decoders, mime); - if (decoder == NULL) - { - GST_DEBUG ("no decoder in table, inserting one"); - /* FIXME: please figure out proper mp3 mimetypes */ - if ((strcmp (mime, "application/x-ogg") == 0) || - (strcmp (mime, "application/ogg") == 0)) - factory = g_strdup ("vorbisfile"); - else if ((strcmp (mime, "audio/mpeg") == 0) || - (strcmp (mime, "audio/x-mp3") == 0) || - (strcmp (mime, "audio/mp3") == 0) || - (strcmp (mime, "application/x-id3") == 0) || - (strcmp (mime, "audio/x-id3") == 0)) - factory = g_strdup ("mad"); - else if (strcmp (mime, "application/x-flac") == 0) - factory = g_strdup ("flacdec"); - else if (strcmp (mime, "audio/x-wav") == 0) - factory = g_strdup ("wavparse"); - else if (strcmp (mime, "audio/x-mod") == 0 || - strcmp (mime, "audio/x-s3m") == 0 || - strcmp (mime, "audio/x-xm") == 0 || - strcmp (mime, "audio/x-it") == 0) - factory = g_strdup ("modplug"); - - if (factory == NULL) - return NULL; - - GST_DEBUG ("using factory %s", factory); - decoder = gst_element_factory_make (factory, "decoder"); - g_free (factory); - - if (decoder) - { - g_hash_table_insert (info->priv->decoders, g_strdup (mime), decoder); - /* ref it so we don't lose it when removing from bin */ - g_object_ref (GST_OBJECT (decoder)); - } - } - return decoder; -} - -/* set the decoder to be used for decoding - * install callback handlers - */ -void -gmi_set_decoder (GstMediaInfo *info, GstElement *decoder) -{ - GstMediaInfoPriv *priv = info->priv; - - /* set up pipeline and connect signal handlers */ - priv->decoder = decoder; - gst_bin_add (GST_BIN (priv->pipeline), decoder); - gst_bin_add (GST_BIN (priv->pipeline), priv->fakesink); - if (!gst_element_link (priv->source, decoder)) - g_warning ("Couldn't connect source and decoder\n"); - if (!gst_element_link (priv->decoder, priv->fakesink)) - g_warning ("Couldn't connect decoder and fakesink\n"); - /* FIXME: we should be connecting to ALL possible src pads */ - if (!(priv->decoder_pad = gst_element_get_pad (decoder, "src"))) - g_warning ("Couldn't get decoder pad\n"); - if (!(priv->source_pad = gst_element_get_pad (priv->source, "src"))) - g_warning ("Couldn't get source pad\n"); -} - -/* clear the decoder (if it was set) - */ -void -gmi_clear_decoder (GstMediaInfo *info) -{ - if (info->priv->decoder) - { - /* clear up decoder */ - /* FIXME: shouldn't need to set state here */ - gst_element_set_state (info->priv->pipeline, GST_STATE_READY); - gst_element_unlink (info->priv->source, info->priv->decoder); - gst_element_unlink (info->priv->decoder, info->priv->fakesink); - gst_bin_remove (GST_BIN (info->priv->pipeline), info->priv->decoder); - gst_bin_remove (GST_BIN (info->priv->pipeline), info->priv->fakesink); - info->priv->decoder = NULL; - } -} -#endif - /* set the mime type on the media info getter */ gboolean gmi_set_mime (GstMediaInfo *info, const char *mime) @@ -437,6 +406,17 @@ gmi_set_mime (GstMediaInfo *info, const char *mime) return TRUE; } +/* clear the decoding pipeline */ +void +gmi_clear_decoder (GstMediaInfo *info) +{ + if (info->priv->pipeline) + { + GST_DEBUG("Unreffing pipeline"); + gst_object_unref (GST_OBJECT (info->priv->pipeline)); + } + info->priv->pipeline = NULL; +} /**** * typefind functions @@ -446,25 +426,26 @@ gmi_set_mime (GstMediaInfo *info, const char *mime) /* prepare for typefind, move from NULL to TYPEFIND */ gboolean -gmip_find_type_pre (GstMediaInfoPriv *priv) +gmip_find_type_pre (GstMediaInfoPriv *priv, GError **error) { - /* clear vars that need clearing */ - if (priv->type) - { - gst_caps_free (priv->type); - priv->type = NULL; - } - - g_assert (priv); - g_assert (priv->source); + g_return_val_if_fail (error == NULL || *error == NULL, FALSE); GST_DEBUG ("gmip_find_type_pre: start"); /* find out type */ /* FIXME: we could move caps for typefind out of struct and * just use it through this function only */ + priv->pipeline = gst_pipeline_new ("pipeline-typefind"); + if (!GST_IS_PIPELINE (priv->pipeline)) + { + gst_media_info_error_create (error, "Internal GStreamer error."); + return FALSE; + } gst_bin_add (GST_BIN (priv->pipeline), priv->typefind); + GST_MEDIA_INFO_MAKE_OR_ERROR (priv->source, priv->source_name, "source", + error); g_object_set (G_OBJECT (priv->source), "location", priv->location, NULL); + gst_bin_add (GST_BIN (priv->pipeline), priv->source); if (!gst_element_link (priv->source, priv->typefind)) g_warning ("Couldn't connect source and typefind\n"); g_signal_connect (G_OBJECT (priv->typefind), "have-type", @@ -510,9 +491,9 @@ gmip_find_type_post (GstMediaInfoPriv *priv) /* complete version */ gboolean -gmip_find_type (GstMediaInfoPriv *priv) +gmip_find_type (GstMediaInfoPriv *priv, GError ** error) { - if (!gmip_find_type_pre (priv)) + if (!gmip_find_type_pre (priv, error)) return FALSE; GST_DEBUG ("gmip_find_type: iterating"); while ((priv->type == NULL) && diff --git a/gst-libs/gst/media-info/media-info-priv.h b/gst-libs/gst/media-info/media-info-priv.h index 21e252e5..239cbb4a 100644 --- a/gst-libs/gst/media-info/media-info-priv.h +++ b/gst-libs/gst/media-info/media-info-priv.h @@ -28,7 +28,7 @@ GST_DEBUG_CATEGORY_EXTERN (gst_media_info_debug); #define GST_CAT_DEFAULT gst_media_info_debug -#define DEBUG +//#define DEBUG #ifdef DEBUG static gboolean _gmi_debug = TRUE; #else @@ -115,11 +115,11 @@ void deep_notify_callback (GObject *object, GParamSpec *pspec, GstMediaInfoPriv *priv); void found_tag_callback (GObject *pipeline, GstElement *source, GstTagList *tags, GstMediaInfoPriv *priv); -void error_callback (GObject *element, GstElement *source, GError *error, gchar *debug); +void error_callback (GObject *element, GstElement *source, GError *error, gchar *debug, GstMediaInfoPriv *priv); -gboolean gmip_find_type_pre (GstMediaInfoPriv *priv); +gboolean gmip_find_type_pre (GstMediaInfoPriv *priv, GError **error); gboolean gmip_find_type_post (GstMediaInfoPriv *priv); -gboolean gmip_find_type (GstMediaInfoPriv *priv); +gboolean gmip_find_type (GstMediaInfoPriv *priv, GError **error); gboolean gmip_find_stream_pre (GstMediaInfoPriv *priv); gboolean gmip_find_stream_post (GstMediaInfoPriv *priv); gboolean gmip_find_stream (GstMediaInfoPriv *priv); diff --git a/gst-libs/gst/media-info/media-info-test.c b/gst-libs/gst/media-info/media-info-test.c index 9a692144..496267d9 100644 --- a/gst-libs/gst/media-info/media-info-test.c +++ b/gst-libs/gst/media-info/media-info-test.c @@ -88,9 +88,11 @@ main (int argc, char *argv[]) } g_assert (G_IS_OBJECT (info)); - if (!gst_media_info_set_source (info, "gnomevfssrc")) + if (!gst_media_info_set_source (info, "gnomevfssrc", &error)) { g_print ("Could not set gnomevfssrc as a source\n"); + g_print ("reason: %s\n", error->message); + g_error_free (error); return -1; } @@ -101,11 +103,16 @@ main (int argc, char *argv[]) /* stream = gst_media_info_read (info, argv[i], GST_MEDIA_INFO_ALL); */ - gst_media_info_read_with_idler (info, argv[i], GST_MEDIA_INFO_ALL); - while (gst_media_info_read_idler (info, &stream) && stream == NULL) + gst_media_info_read_with_idler (info, argv[i], GST_MEDIA_INFO_ALL, &error); + while (gst_media_info_read_idler (info, &stream, &error) && stream == NULL) /* keep idling */ g_print ("+"); g_print ("\nFILE: %s\n", argv[i]); g_print ("stream: %p, &stream: %p\n", stream, &stream); + if (error) + { + g_print ("Error reading media info: %s\n", error->message); + g_error_free (error); + } if (stream) info_print (stream); else diff --git a/gst-libs/gst/media-info/media-info.c b/gst-libs/gst/media-info/media-info.c index e25c8d46..6b25fcb8 100644 --- a/gst-libs/gst/media-info/media-info.c +++ b/gst-libs/gst/media-info/media-info.c @@ -25,6 +25,7 @@ #include #include "media-info.h" #include "media-info-priv.h" +#include "media-info-marshal.h" static void gst_media_info_class_init (GstMediaInfoClass *klass); static void gst_media_info_instance_init (GstMediaInfo *info); @@ -34,6 +35,8 @@ static void gst_media_info_get_property (GObject *object, guint prop_id, GParamSpec *pspec); +static gboolean _media_info_inited = FALSE; + /* FIXME: this is a lousy hack that needs to go */ #define MAX_METADATA_ITERS 5 @@ -58,7 +61,7 @@ enum }; /* GError quark stuff */ -static GQuark +GQuark gst_media_info_error_quark (void) { static GQuark quark = 0; @@ -67,52 +70,6 @@ gst_media_info_error_quark (void) return quark; } -/* General GError creation */ -static void -gst_media_info_error_create (GError **error, const gchar *message) -{ - /* check if caller wanted an error reported */ - if (error == NULL) - return; - - *error = g_error_new (GST_MEDIA_INFO_ERROR, 0, message); - return; -} - -/* GError creation when element is missing */ -static void -gst_media_info_error_element (const gchar *element, GError **error) -{ - gchar *message; - - message = g_strdup_printf ("The %s element could not be found. " - "This element is essential for reading. " - "Please install the right plug-in and verify " - "that it works by running 'gst-inspect %s'", - element, element); - gst_media_info_error_create (error, message); - g_free (message); - return; -} - -/* used from the instance_init function to report errors */ -#define GST_MEDIA_INFO_MAKE_OR_ERROR(el, factory, name, error) \ -G_STMT_START { \ - el = gst_element_factory_make (factory, name); \ - if (!GST_IS_ELEMENT (el)) \ - { \ - gst_media_info_error_element (factory, error); \ - return; \ - } \ -} G_STMT_END - -#define GST_MEDIA_INFO_ERROR_RETURN(error, message) \ -G_STMT_START { \ - gst_media_info_error_create (error, message); \ - return FALSE; \ -} G_STMT_END - - /* * GObject type stuff */ @@ -130,10 +87,13 @@ GST_DEBUG_CATEGORY (gst_media_info_debug); void gst_media_info_init (void) { + if (_media_info_inited) return; + /* register our debugging category */ GST_DEBUG_CATEGORY_INIT (gst_media_info_debug, "GST_MEDIA_INFO", 0, "GStreamer media-info library"); GST_DEBUG ("Initialized media-info library"); + _media_info_inited = TRUE; } GType @@ -184,10 +144,10 @@ gst_media_info_class_init (GstMediaInfoClass *klass) gst_media_info_signals [MEDIA_INFO_SIGNAL] = g_signal_new ("media-info", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_FIRST, + G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMediaInfoClass, media_info_signal), NULL, NULL, - gst_marshal_VOID__VOID, + gst_media_info_marshal_VOID__VOID, G_TYPE_NONE, 0); } @@ -199,30 +159,10 @@ gst_media_info_instance_init (GstMediaInfo *info) info->priv = g_new0 (GstMediaInfoPriv, 1); error = &info->priv->error; - info->priv->pipeline = gst_pipeline_new ("media-info"); - - /* create the typefind element and make sure it stays around by reffing */ - GST_MEDIA_INFO_MAKE_OR_ERROR (info->priv->typefind, "typefind", "typefind", error); - gst_object_ref (GST_OBJECT (info->priv->typefind)); - - /* create the fakesink element and make sure it stays around by reffing */ - GST_MEDIA_INFO_MAKE_OR_ERROR (info->priv->fakesink, "fakesink", "fakesink", error); - gst_object_ref (GST_OBJECT (info->priv->fakesink)); + if (!_media_info_inited) { gst_media_info_init (); } - /* source element for media info reading */ - info->priv->source = NULL; - info->priv->source_name = NULL; - - info->priv->location = NULL; - info->priv->type = NULL; - info->priv->format = NULL; - info->priv->metadata = NULL; - info->priv->pipeline_desc = NULL; - - /* clear result pointers */ - info->priv->stream = NULL; - - info->priv->error = NULL; + gmip_init (info->priv); + gmip_reset (info->priv); } /* get/set */ @@ -269,28 +209,9 @@ gst_media_info_new (GError **error) * public methods */ gboolean -gst_media_info_set_source (GstMediaInfo *info, const char *source) +gst_media_info_set_source (GstMediaInfo *info, const char *source, GError **error) { - GstElement *src; - src = gst_element_factory_make (source, "new-source"); - if (!GST_IS_ELEMENT (src)) - return FALSE; - - if (info->priv->source) - { - /* this also unrefs the element */ - gst_bin_remove (GST_BIN (info->priv->pipeline), info->priv->source); - if (info->priv->source_name) - { - g_free (info->priv->source_name); - info->priv->source_name = NULL; - } - } - g_object_set (G_OBJECT (src), "name", "source", NULL); - gst_bin_add (GST_BIN (info->priv->pipeline), src); - info->priv->source = src; info->priv->source_name = g_strdup (source); - return TRUE; } @@ -302,11 +223,11 @@ gst_media_info_set_source (GstMediaInfo *info, const char *source) */ void gst_media_info_read_with_idler (GstMediaInfo *info, const char *location, - guint16 flags) + guint16 flags, GError **error) { GstMediaInfoPriv *priv = info->priv; - gmi_reset (info); /* reset all structs */ + gmip_reset (info->priv); /* reset all structs */ priv->location = g_strdup (location); priv->flags = flags; } @@ -316,11 +237,13 @@ gst_media_info_read_with_idler (GstMediaInfo *info, const char *location, * returns: TRUE if it was able to idle, FALSE if there was an error */ gboolean -gst_media_info_read_idler (GstMediaInfo *info, GstMediaInfoStream **streamp) +gst_media_info_read_idler (GstMediaInfo *info, GstMediaInfoStream **streamp, GError **error) { GstMediaInfoPriv *priv; + /* if it's NULL then we're sure something went wrong higher up) */ if (info == NULL) return FALSE; + g_return_val_if_fail (error == NULL || *error == NULL, FALSE); priv = info->priv; @@ -330,9 +253,17 @@ gst_media_info_read_idler (GstMediaInfo *info, GstMediaInfoStream **streamp) switch (priv->state) { case GST_MEDIA_INFO_STATE_NULL: + /* make sure we have a source */ + if (!priv->source_name) + { + *error = g_error_new (GST_MEDIA_INFO_ERROR, 0, + "No source set on media info."); + return FALSE; + } + /* need to find type */ GST_DEBUG ("idler: NULL, need to find type, priv %p", priv); - return gmip_find_type_pre (priv); + return gmip_find_type_pre (priv, error); case GST_MEDIA_INFO_STATE_TYPEFIND: { @@ -469,9 +400,10 @@ gst_media_info_read_idler (GstMediaInfo *info, GstMediaInfoStream **streamp) return TRUE; } priv->state = GST_MEDIA_INFO_STATE_DONE; + gmi_clear_decoder (info); + GST_DEBUG ("TOTALLY DONE, setting pointer *streamp to %p", *streamp); *streamp = priv->stream; priv->stream = NULL; - GST_DEBUG ("TOTALLY DONE, setting pointer *streamp to %p", *streamp); return TRUE; } case GST_MEDIA_INFO_STATE_DONE: @@ -486,7 +418,7 @@ gst_media_info_read_idler (GstMediaInfo *info, GstMediaInfoStream **streamp) * read all possible info from the file pointed to by location * use flags to limit the type of information searched for */ GstMediaInfoStream * -gst_media_info_read (GstMediaInfo *info, const char *location, guint16 flags) +gst_media_info_read (GstMediaInfo *info, const char *location, guint16 flags, GError **error) { GstMediaInfoPriv *priv = info->priv; GstMediaInfoStream *stream = NULL; @@ -495,11 +427,11 @@ gst_media_info_read (GstMediaInfo *info, const char *location, guint16 flags) int i; GST_DEBUG ("DEBUG: gst_media_info_read: start"); - gmi_reset (info); /* reset all structs */ + gmip_reset (info->priv); /* reset all structs */ priv->location = g_strdup (location); priv->flags = flags; - if (!gmip_find_type (priv)) return NULL; + if (!gmip_find_type (priv, error)) return NULL; mime = g_strdup (gst_structure_get_name ( gst_caps_get_structure(priv->type, 0))); diff --git a/gst-libs/gst/media-info/media-info.h b/gst-libs/gst/media-info/media-info.h index 5b5da7c6..4064b0e3 100644 --- a/gst-libs/gst/media-info/media-info.h +++ b/gst-libs/gst/media-info/media-info.h @@ -44,6 +44,7 @@ struct _GstMediaInfoClass /* signals */ void (*media_info_signal) (GstMediaInfo *gst_media_info); + void (*error_signal) (GstMediaInfo *gst_media_info, GError *error, const gchar *debug); gpointer _gst_reserved[GST_PADDING]; }; @@ -104,16 +105,21 @@ GType gst_media_info_get_type (void); GstMediaInfo * gst_media_info_new (GError **error); -gboolean gst_media_info_set_source (GstMediaInfo *info, const char *source); +gboolean gst_media_info_set_source (GstMediaInfo *info, + const char *source, + GError **error); void gst_media_info_read_with_idler (GstMediaInfo *media_info, const char *location, - guint16 GST_MEDIA_INFO_FLAGS); + guint16 GST_MEDIA_INFO_FLAGS, + GError **error); gboolean gst_media_info_read_idler (GstMediaInfo *media_info, - GstMediaInfoStream **streamp); + GstMediaInfoStream **streamp, + GError **error); GstMediaInfoStream * gst_media_info_read (GstMediaInfo *media_info, const char *location, - guint16 GST_MEDIA_INFO_FLAGS); + guint16 GST_MEDIA_INFO_FLAGS, + GError **error); gboolean gst_media_info_read_many (GstMediaInfo *media_info, GList *locations, guint16 GST_MEDIA_INFO_FLAGS, -- cgit v1.2.1