static void
print_info (GstDiscovererInfo * info, GError * err)
{
GstDiscovererResult result = gst_discoverer_info_get_result (info);
GstDiscovererStreamInfo *sinfo;
g_print ("Done discovering %s\n", gst_discoverer_info_get_uri (info));
switch (result) {
case GST_DISCOVERER_OK:
{
break;
}
case GST_DISCOVERER_URI_INVALID:
{
g_print ("URI is not valid\n");
break;
}
case GST_DISCOVERER_ERROR:
{
g_print ("An error was encountered while discovering the file\n");
g_print (" %s\n", err->message);
break;
}
case GST_DISCOVERER_TIMEOUT:
{
g_print ("Analyzing URI timed out\n");
break;
}
case GST_DISCOVERER_BUSY:
{
g_print ("Discoverer was busy\n");
break;
}
case GST_DISCOVERER_MISSING_PLUGINS:
{
g_print ("Missing plugins\n");
if (verbose) {
gchar *tmp =
gst_structure_to_string (gst_discoverer_info_get_misc (info));
g_print (" (%s)\n", tmp);
g_free (tmp);
}
break;
}
}
if ((sinfo = gst_discoverer_info_get_stream_info (info))) {
g_print ("\nTopology:\n");
print_topology (sinfo, 1);
g_print ("\nProperties:\n");
print_properties (info, 1);
gst_discoverer_stream_info_unref (sinfo);
}
g_print ("\n");
}
static void
asset_loaded_cb (GObject * source, GAsyncResult * res, GMainLoop * mainloop)
{
GESUriClipAsset *mfs =
GES_URI_CLIP_ASSET (ges_asset_request_finish (res, NULL));
GstDiscovererInfo *discoverer_info = NULL;
discoverer_info = ges_uri_clip_asset_get_info (mfs);
GST_DEBUG ("Result is %d", gst_discoverer_info_get_result (discoverer_info));
GST_DEBUG ("Info type is %s", G_OBJECT_TYPE_NAME (mfs));
GST_DEBUG ("Duration is %" GST_TIME_FORMAT,
GST_TIME_ARGS (ges_uri_clip_asset_get_duration (mfs)));
gst_object_unref (mfs);
g_main_loop_quit (mainloop);
}
/**
* gst_encoding_profile_from_discoverer:
* @info: (transfer none): The #GstDiscovererInfo to read from
*
* Creates a #GstEncodingProfile matching the formats from the given
* #GstDiscovererInfo. Streams other than audio or video (eg,
* subtitles), are currently ignored.
*
* Returns: (transfer full): The new #GstEncodingProfile or %NULL.
*/
GstEncodingProfile *
gst_encoding_profile_from_discoverer (GstDiscovererInfo * info)
{
GstEncodingContainerProfile *profile;
GstDiscovererStreamInfo *sinfo;
GList *streams, *stream;
GstCaps *caps = NULL;
guint n_streams = 0;
if (!info || gst_discoverer_info_get_result (info) != GST_DISCOVERER_OK)
return NULL;
sinfo = gst_discoverer_info_get_stream_info (info);
if (!sinfo)
return NULL;
caps = gst_discoverer_stream_info_get_caps (sinfo);
GST_LOG ("Container: %" GST_PTR_FORMAT "\n", caps);
profile =
gst_encoding_container_profile_new ("auto-generated",
"Automatically generated from GstDiscovererInfo", caps, NULL);
gst_caps_unref (caps);
if (!profile) {
GST_ERROR ("Failed to create container profile from caps %" GST_PTR_FORMAT,
caps);
return NULL;
}
streams =
gst_discoverer_container_info_get_streams (GST_DISCOVERER_CONTAINER_INFO
(sinfo));
for (stream = streams; stream; stream = stream->next) {
if (add_stream_to_profile (profile,
(GstDiscovererStreamInfo *) stream->data))
n_streams++;
}
gst_discoverer_stream_info_list_free (streams);
if (n_streams == 0) {
GST_ERROR ("Failed to add any streams");
g_object_unref (profile);
return NULL;
}
return (GstEncodingProfile *) profile;
}
gboolean
gst_validate_media_info_inspect_uri (GstValidateMediaInfo * mi,
const gchar * uri, gboolean discover_only, GError ** err)
{
GstDiscovererInfo *info;
GstDiscoverer *discoverer = gst_discoverer_new (GST_SECOND * 60, err);
gboolean ret = TRUE;
g_return_val_if_fail (uri != NULL, FALSE);
g_free (mi->uri);
mi->uri = g_strdup (uri);
if (!discoverer) {
return FALSE;
}
info = gst_discoverer_discover_uri (discoverer, uri, err);
if (gst_discoverer_info_get_result (info) != GST_DISCOVERER_OK) {
gst_object_unref (discoverer);
return FALSE;
}
mi->is_image = check_is_image (info);
ret = check_file_size (mi) & ret;
ret = check_encoding_profile (mi, info) & ret;
ret = check_file_duration (mi, info) & ret;
if (mi->is_image)
goto done;
check_seekable (mi, info);
if (discover_only)
goto done;
ret = check_playback (mi, &mi->playback_error) & ret;
ret = check_reverse_playback (mi, &mi->reverse_playback_error) & ret;
ret = check_track_selection (mi, &mi->track_switch_error) & ret;
done:
gst_object_unref (discoverer);
return ret;
}
static void
test_disco_sync_reuse (const gchar * test_fn, guint num, GstClockTime timeout)
{
GError *err = NULL;
GstDiscoverer *dc;
GstDiscovererInfo *info;
GstDiscovererResult result;
gchar *uri, *path;
int i;
dc = gst_discoverer_new (timeout, &err);
fail_unless (dc != NULL);
fail_unless (err == NULL);
/* GST_TEST_FILE comes from makefile CFLAGS */
path = g_build_filename (GST_TEST_FILES_PATH, test_fn, NULL);
uri = gst_filename_to_uri (path, &err);
g_free (path);
fail_unless (err == NULL);
for (i = 0; i < num; ++i) {
GST_INFO ("[%02d] discovering uri '%s'", i, uri);
info = gst_discoverer_discover_uri (dc, uri, &err);
if (info) {
result = gst_discoverer_info_get_result (info);
GST_INFO ("result: %d", result);
gst_discoverer_info_unref (info);
}
/* in case we don't have some of the elements needed */
if (err) {
g_error_free (err);
err = NULL;
}
}
g_free (uri);
g_object_unref (dc);
}
static void
print_info (GstDiscovererInfo * info, GError * err)
{
GstDiscovererResult result;
GstDiscovererStreamInfo *sinfo;
if (!info) {
g_print ("Could not discover URI\n");
g_print (" %s\n", err->message);
return;
}
result = gst_discoverer_info_get_result (info);
g_print ("Done discovering %s\n", gst_discoverer_info_get_uri (info));
switch (result) {
case GST_DISCOVERER_OK:
{
break;
}
case GST_DISCOVERER_URI_INVALID:
{
g_print ("URI is not valid\n");
break;
}
case GST_DISCOVERER_ERROR:
{
g_print ("An error was encountered while discovering the file\n");
g_print (" %s\n", err->message);
break;
}
case GST_DISCOVERER_TIMEOUT:
{
g_print ("Analyzing URI timed out\n");
break;
}
case GST_DISCOVERER_BUSY:
{
g_print ("Discoverer was busy\n");
break;
}
case GST_DISCOVERER_MISSING_PLUGINS:
{
g_print ("Missing plugins\n");
if (verbose) {
gint i = 0;
const gchar **installer_details =
gst_discoverer_info_get_missing_elements_installer_details (info);
while (installer_details[i]) {
g_print (" (%s)\n", installer_details[i]);
i++;
}
}
break;
}
}
if ((sinfo = gst_discoverer_info_get_stream_info (info))) {
g_print ("\nTopology:\n");
print_topology (sinfo, 1);
g_print ("\nProperties:\n");
print_properties (info, 1);
gst_discoverer_stream_info_unref (sinfo);
}
g_print ("\n");
}
/* This function is called every time the discoverer has information regarding
* one of the URIs we provided.*/
void on_discovered_cb (GstDiscoverer *discoverer, GstDiscovererInfo *info, GError *err, CustomData *data) {
GstDiscovererResult result;
const gchar *uri;
const GstTagList *tags;
GstDiscovererStreamInfo *sinfo;
uri = gst_discoverer_info_get_uri (info);
result = gst_discoverer_info_get_result (info);
switch (result) {
case GST_DISCOVERER_URI_INVALID:
g_print ("Invalid URI '%s'\n", uri);
break;
case GST_DISCOVERER_ERROR:
g_print ("Discoverer error: %s\n", err->message);
break;
case GST_DISCOVERER_TIMEOUT:
g_print ("Timeout\n");
break;
case GST_DISCOVERER_BUSY:
g_print ("Busy\n");
break;
case GST_DISCOVERER_MISSING_PLUGINS:{
const GstStructure *s;
gchar *str;
s = gst_discoverer_info_get_misc (info);
str = gst_structure_to_string (s);
g_print ("Missing plugins: %s\n", str);
g_free (str);
break;
}
case GST_DISCOVERER_OK:
g_print ("Discovered '%s'\n", uri);
break;
}
if (result != GST_DISCOVERER_OK) {
g_printerr ("This URI cannot be played\n");
//return;
}
/* If we got no error, show the retrieved information */
g_print ("\nDuration: %" GST_TIME_FORMAT "\n", GST_TIME_ARGS (gst_discoverer_info_get_duration (info)));
tags = gst_discoverer_info_get_tags (info);
if (tags) {
g_print ("Tags:\n");
gst_tag_list_foreach (tags, print_tag_foreach, GINT_TO_POINTER (1));
}
g_print ("Seekable: %s\n", (gst_discoverer_info_get_seekable (info) ? "yes" : "no"));
g_print ("\n");
sinfo = gst_discoverer_info_get_stream_info (info);
if (!sinfo)
return;
g_print ("Stream information:\n");
print_topology (sinfo, 1);
gst_discoverer_stream_info_unref (sinfo);
g_print ("\n");
}
static void
rygel_media_export_metadata_extractor_on_done (RygelMediaExportMetadataExtractor *self,
GstDiscovererInfo *gst_info,
GError *err) {
RygelMediaExportMetadataExtractorPrivate *priv;
guint signal_id;
const gchar *uri;
GeeAbstractMap *abstract_file_hash;
GstDiscovererResult result;
GFile *file;
g_return_if_fail (RYGEL_MEDIA_EXPORT_IS_METADATA_EXTRACTOR (self));
g_return_if_fail (GST_IS_DISCOVERER_INFO (gst_info));
priv = self->priv;
signal_id = 0;
g_signal_parse_name ("discovered", GST_TYPE_DISCOVERER, &signal_id, NULL, FALSE);
g_signal_handlers_disconnect_matched (priv->discoverer,
G_SIGNAL_MATCH_ID |
G_SIGNAL_MATCH_FUNC |
G_SIGNAL_MATCH_DATA, signal_id,
0,
NULL,
G_CALLBACK (rygel_media_export_metadata_extractor_on_done_gst_discoverer_discovered),
self);
g_object_unref (priv->discoverer);
priv->discoverer = NULL;
uri = gst_discoverer_info_get_uri (gst_info);
abstract_file_hash = GEE_ABSTRACT_MAP (priv->file_hash);
file = G_FILE (gee_abstract_map_get (abstract_file_hash, uri));
if (!file) {
g_warning ("File %s already handled, ignoring event", uri);
return;
}
gee_abstract_map_unset (abstract_file_hash, uri, NULL);
result = gst_discoverer_info_get_result (gst_info);
if ((result & GST_DISCOVERER_ERROR) == GST_DISCOVERER_ERROR) {
g_signal_emit (self, signals[ERROR], 0, file, err);
} else {
GUPnPDLNAProfile *dlna_profile;
if ((result & GST_DISCOVERER_TIMEOUT) == GST_DISCOVERER_TIMEOUT) {
gchar* file_uri = g_file_get_uri (file);
g_debug ("Extraction timed out on %s", file_uri);
g_free (file_uri);
dlna_profile = NULL;
} else {
GUPnPDLNAInformation *dlna_info = gupnp_dlna_gst_utils_information_from_discoverer_info (gst_info);
dlna_profile = gupnp_dlna_profile_guesser_guess_profile_from_info (priv->guesser,
dlna_info);
g_object_unref (dlna_info);
}
rygel_media_export_metadata_extractor_extract_basic_information (self,
file,
gst_info,
dlna_profile);
}
g_object_unref (file);
}
gchar *
lgm_filename_to_uri (const gchar *filename)
{
gchar *uri, *path;
GError *err = NULL;
#ifdef G_OS_WIN32
if (g_path_is_absolute(filename) || !gst_uri_is_valid (filename)) {
#else
if (!gst_uri_is_valid (filename)) {
#endif
if (!g_path_is_absolute (filename)) {
gchar *cur_dir;
cur_dir = g_get_current_dir ();
path = g_build_filename (cur_dir, filename, NULL);
g_free (cur_dir);
} else {
path = g_strdup (filename);
}
uri = g_filename_to_uri (path, NULL, &err);
g_free (path);
path = NULL;
if (err != NULL) {
g_error_free (err);
return NULL;
}
} else {
uri = g_strdup (filename);
}
return uri;
}
GstDiscovererResult
lgm_discover_uri (
const gchar *filename, guint64 *duration, guint *width,
guint *height, guint *fps_n, guint *fps_d, guint *par_n, guint *par_d,
gchar **container, gchar **video_codec, gchar **audio_codec,
GError **err)
{
GstDiscoverer *discoverer;
GstDiscovererInfo *info;
GList *videos = NULL, *audios = NULL;
GstDiscovererStreamInfo *sinfo = NULL;
GstDiscovererVideoInfo *vinfo = NULL;
GstDiscovererAudioInfo *ainfo = NULL;
GstDiscovererResult ret;
gchar *uri;
uri = lgm_filename_to_uri (filename);
if (uri == NULL) {
return GST_DISCOVERER_URI_INVALID;
}
*duration = *width = *height = *fps_n = *fps_d = *par_n = *par_d = 0;
*container = *audio_codec = *video_codec = NULL;
discoverer = gst_discoverer_new (4 * GST_SECOND, err);
if (*err != NULL) {
g_free (uri);
return GST_DISCOVERER_ERROR;
}
info = gst_discoverer_discover_uri (discoverer, uri, err);
g_free (uri);
if (*err != NULL) {
if (info != NULL) {
return gst_discoverer_info_get_result (info);
} else {
return GST_DISCOVERER_ERROR;
}
}
sinfo = gst_discoverer_info_get_stream_info (info);
*duration = gst_discoverer_info_get_duration (info);
if (GST_IS_DISCOVERER_CONTAINER_INFO (sinfo)) {
GstCaps *caps;
caps = gst_discoverer_stream_info_get_caps (
GST_DISCOVERER_STREAM_INFO(sinfo));
*container = gst_pb_utils_get_codec_description (caps);
gst_caps_unref (caps);
}
if (GST_IS_DISCOVERER_AUDIO_INFO (sinfo)) {
ainfo = GST_DISCOVERER_AUDIO_INFO (sinfo);
} else {
audios = gst_discoverer_info_get_audio_streams (info);
if (audios != NULL) {
ainfo = audios->data;
}
}
if (ainfo != NULL) {
GstCaps *caps;
caps = gst_discoverer_stream_info_get_caps (
GST_DISCOVERER_STREAM_INFO (ainfo));
*audio_codec = gst_pb_utils_get_codec_description (caps);
gst_caps_unref (caps);
}
if (audios != NULL) {
gst_discoverer_stream_info_list_free (audios);
}
if (GST_IS_DISCOVERER_VIDEO_INFO (sinfo)) {
vinfo = GST_DISCOVERER_VIDEO_INFO (sinfo);
} else {
videos = gst_discoverer_info_get_video_streams (info);
if (videos != NULL) {
vinfo = videos->data;
}
}
if (vinfo != NULL) {
GstCaps *caps;
caps = gst_discoverer_stream_info_get_caps (
GST_DISCOVERER_STREAM_INFO (vinfo));
*video_codec = gst_pb_utils_get_codec_description (caps);
gst_caps_unref (caps);
*height = gst_discoverer_video_info_get_height (vinfo);
*width = gst_discoverer_video_info_get_width (vinfo);
*fps_n = gst_discoverer_video_info_get_framerate_num (vinfo);
*fps_d = gst_discoverer_video_info_get_framerate_denom (vinfo);
*par_n = gst_discoverer_video_info_get_par_num (vinfo);
*par_d = gst_discoverer_video_info_get_par_denom (vinfo);
}
if (videos != NULL) {
gst_discoverer_stream_info_list_free (videos);
}
ret = gst_discoverer_info_get_result (info);
gst_discoverer_info_unref (info);
g_object_unref (discoverer);
return ret;
}
void Discoverer::on_discovered(GstDiscoverer *discoverer, GstDiscovererInfo *info, GError *err, Gstreamer *gst)
{
Q_UNUSED(err);
Q_UNUSED(discoverer);
Metadata *meta = gst->getMetadata();
delete meta;
GstDiscovererResult result;
result = gst_discoverer_info_get_result(info);
if (result != GST_DISCOVERER_OK)
{
gst->setMetadata(nullptr);
return;
}
meta = new Metadata();
// is seekable
meta->setSeekable(gst_discoverer_info_get_seekable(info));
// extract duration
qint64 time = gst_discoverer_info_get_duration(info);
meta->setDuration(UTime(time));
// extract filename
QUrl uri(gst_discoverer_info_get_uri(info));
meta->setFilename(uri.toLocalFile());
// set filesize
QFile file(uri.toLocalFile());
meta->setSize(file.size());
// extract tags
const GstTagList *tags;
tags = gst_discoverer_info_get_tags(info);
if (tags)
{
gst_tag_list_foreach(tags, fillTags, meta);
}
GList *list, *iterator;
// extract video streams
iterator = list = gst_discoverer_info_get_video_streams(info);
while (iterator)
{
Video video;
GstDiscovererVideoInfo *vInfo = (GstDiscovererVideoInfo *)iterator->data;
video.Width = gst_discoverer_video_info_get_width(vInfo);
video.Height = gst_discoverer_video_info_get_height(vInfo);
video.Framerate = double(gst_discoverer_video_info_get_framerate_num(vInfo)) /
double(gst_discoverer_video_info_get_framerate_denom(vInfo));
meta->addVideo(video);
iterator = iterator->next;
}
gst_discoverer_stream_info_list_free(list);
// extract audio streams
iterator = list = gst_discoverer_info_get_audio_streams(info);
while (iterator)
{
Audio audio;
GstDiscovererAudioInfo *aInfo = (GstDiscovererAudioInfo *)iterator->data;
audio.Channels = gst_discoverer_audio_info_get_channels(aInfo);
audio.SampleRate = gst_discoverer_audio_info_get_sample_rate(aInfo);
audio.Language = gst_discoverer_audio_info_get_language(aInfo);
meta->addAudio(audio);
iterator = iterator->next;
}
gst_discoverer_stream_info_list_free(list);
// extract subtitle streams
iterator = list = gst_discoverer_info_get_subtitle_streams(info);
while (iterator)
{
Subtitle subtitle;
GstDiscovererSubtitleInfo *sInfo = (GstDiscovererSubtitleInfo *)iterator->data;
gst_discoverer_subtitle_info_get_language(sInfo);
subtitle.Language = gst_discoverer_subtitle_info_get_language(sInfo);
meta->addSubtitles(subtitle);
iterator = iterator->next;
}
gst_discoverer_stream_info_list_free(list);
// fill metadata
gst->setMetadata(meta);
QObject::connect(gst->getMetadata(), SIGNAL(updated()), gst, SLOT(on_metadata_update()));
}
