static void
process_file (GstDiscoverer * dc, const gchar * filename)
{
GError *err = NULL;
GDir *dir;
gchar *uri, *path;
GstDiscovererInfo *info;
if (!gst_uri_is_valid (filename)) {
/* Recurse into directories */
if ((dir = g_dir_open (filename, 0, NULL))) {
const gchar *entry;
while ((entry = g_dir_read_name (dir))) {
gchar *path;
path = g_strconcat (filename, G_DIR_SEPARATOR_S, entry, NULL);
process_file (dc, path);
g_free (path);
}
g_dir_close (dir);
return;
}
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) {
g_warning ("Couldn't convert filename to URI: %s\n", err->message);
g_error_free (err);
return;
}
} else {
uri = g_strdup (filename);
}
if (async == FALSE) {
g_print ("Analyzing %s\n", uri);
info = gst_discoverer_discover_uri (dc, uri, &err);
print_info (info, err);
if (err)
g_error_free (err);
gst_discoverer_info_unref (info);
} else {
gst_discoverer_discover_uri_async (dc, uri);
}
g_free (uri);
}
static void
generate_xml_media_descriptor (InsanityTest * test)
{
GError *err = NULL;
GstDiscovererInfo *info = NULL;
gchar *sublocation = NULL, *suburi = NULL;
GstDiscoverer *discoverer = gst_discoverer_new (5 * GST_SECOND, NULL);
insanity_test_get_string_argument (test, "sublocation", &sublocation);
if (G_UNLIKELY (discoverer == NULL)) {
ERROR (test, "Error creating discoverer: %s\n", err->message);
g_clear_error (&err);
insanity_test_done (test);
goto done;
}
suburi = gst_filename_to_uri (sublocation, &err);
if (err) {
ERROR (test, "Could not construct filename");
g_clear_error (&err);
goto done;
}
info = gst_discoverer_discover_uri (discoverer, suburi, &err);
if (info == NULL) {
ERROR (test, "Error discovering: %s\n", err->message);
g_clear_error (&err);
insanity_test_done (test);
goto done;
}
glob_duration = gst_discoverer_info_get_duration (info);
glob_seekable = gst_discoverer_info_get_seekable (info);
glob_writer = media_descriptor_writer_new (test,
sublocation, glob_duration, glob_seekable);
glob_in_progress = TEST_SUBTTILE_DESCRIPTOR_GENERATION;
g_idle_add ((GSourceFunc) idle_restart_pipeline, NULL);
media_descriptor_writer_add_stream (glob_writer,
glob_suboverlay_src_probe->pad);
done:
if (discoverer != NULL)
g_object_unref (discoverer);
if (info != NULL)
gst_discoverer_info_unref (info);
g_free (sublocation);
g_free (suburi);
}
static void
gupnp_dlna_information_finalize (GObject *object)
{
GUPnPDLNAInformation *self = GUPNP_DLNA_INFORMATION (object);
GUPnPDLNAInformationPrivate *priv = GET_PRIVATE (self);
g_free (priv->name);
g_free (priv->mime);
if (priv->info)
gst_discoverer_info_unref (priv->info);
G_OBJECT_CLASS (gupnp_dlna_information_parent_class)->finalize (object);
}
static gboolean
check_encoding_profile (GstValidateMediaInfo * mi, GstDiscovererInfo * info)
{
gboolean ret = TRUE;
GstDiscovererStreamInfo *streaminfo;
streaminfo = gst_discoverer_info_get_stream_info (info);
mi->stream_info = gst_validate_stream_info_from_discoverer_info (streaminfo);
gst_discoverer_info_unref (streaminfo);
return ret;
}
static void
gupnp_dlna_information_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GUPnPDLNAInformation *self = GUPNP_DLNA_INFORMATION (object);
GUPnPDLNAInformationPrivate *priv = GET_PRIVATE (self);
switch (property_id) {
case PROP_DLNA_NAME:
g_free (priv->name);
priv->name = g_value_dup_string (value);
break;
case PROP_DLNA_MIME:
g_free (priv->mime);
priv->mime = g_value_dup_string (value);
break;
case PROP_DISCOVERER_INFO:
if (priv->info)
gst_discoverer_info_unref (priv->info);
priv->info = GST_DISCOVERER_INFO
(gst_value_dup_mini_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
property_id,
pspec);
break;
}
}
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);
}
void
gupnp_dlna_gst_discoverer_info_unref (gpointer info)
{
if (info)
gst_discoverer_info_unref (info);
}
/* Called when pipeline is pre-rolled */
static void
discoverer_collect (GstDiscoverer * dc)
{
GST_DEBUG ("Collecting information");
/* Stop the timeout handler if present */
if (dc->priv->timeoutid) {
g_source_remove (dc->priv->timeoutid);
dc->priv->timeoutid = 0;
}
if (dc->priv->streams) {
/* FIXME : Make this querying optional */
if (TRUE) {
GstElement *pipeline = (GstElement *) dc->priv->pipeline;
GstFormat format = GST_FORMAT_TIME;
gint64 dur;
GST_DEBUG ("Attempting to query duration");
if (gst_element_query_duration (pipeline, &format, &dur)) {
if (format == GST_FORMAT_TIME) {
GST_DEBUG ("Got duration %" GST_TIME_FORMAT, GST_TIME_ARGS (dur));
dc->priv->current_info->duration = (guint64) dur;
}
}
if (dc->priv->seeking_query) {
if (gst_element_query (pipeline, dc->priv->seeking_query)) {
gboolean seekable;
gst_query_parse_seeking (dc->priv->seeking_query, &format,
&seekable, NULL, NULL);
if (format == GST_FORMAT_TIME) {
GST_DEBUG ("Got seekable %d", seekable);
dc->priv->current_info->seekable = seekable;
}
}
}
}
if (dc->priv->current_topology)
dc->priv->current_info->stream_info = parse_stream_topology (dc,
dc->priv->current_topology, NULL);
/*
* Images need some special handling. They do not have a duration, have
* caps named image/<foo> (th exception being MJPEG video which is also
* type image/jpeg), and should consist of precisely one stream (actually
* initially there are 2, the image and raw stream, but we squash these
* while parsing the stream topology). At some ponit, if we find that these
* conditions are not sufficient, we can count the number of decoders and
* parsers in the chain, and if there's more than one decoder, or any
* parser at all, we should not mark this as an image.
*/
if (dc->priv->current_info->duration == 0 &&
dc->priv->current_info->stream_info != NULL &&
dc->priv->current_info->stream_info->next == NULL) {
GstStructure *st =
gst_caps_get_structure (dc->priv->current_info->stream_info->caps, 0);
if (g_str_has_prefix (gst_structure_get_name (st), "image/"))
((GstDiscovererVideoInfo *) dc->priv->current_info->
stream_info)->is_image = TRUE;
}
}
if (dc->priv->async) {
GST_DEBUG ("Emitting 'discoverered'");
g_signal_emit (dc, gst_discoverer_signals[SIGNAL_DISCOVERED], 0,
dc->priv->current_info, dc->priv->current_error);
/* Clients get a copy of current_info since it is a boxed type */
gst_discoverer_info_unref (dc->priv->current_info);
}
}
bool GStreamerImageStream::open(const std::string& filename)
{
setFileName(filename);
GError *error = NULL;
// get stream info
bool has_audio_stream = false;
gchar *uri = g_filename_to_uri(filename.c_str(), NULL, NULL);
if( uri!=0 && gst_uri_is_valid(uri) )
{
GstDiscoverer *item = gst_discoverer_new(1*GST_SECOND, &error);
GstDiscovererInfo *info = gst_discoverer_discover_uri(item, uri, &error);
GList *audio_list = gst_discoverer_info_get_audio_streams(info);
if( g_list_length(audio_list) > 0 )
has_audio_stream = true;
gst_discoverer_info_unref(info);
g_free(uri);
}
// build pipeline
const gchar *audio_pipe = "";
if( has_audio_stream )
{
audio_pipe = "deco. ! queue ! audioconvert ! autoaudiosink";
}
gchar *string = g_strdup_printf("filesrc location=%s ! \
decodebin name=deco \
deco. ! queue ! videoconvert ! video/x-raw,format=RGB ! appsink name=sink emit-signals=true \
%s", filename.c_str(), audio_pipe);
_pipeline = gst_parse_launch(string, &error);
g_free(string);
if (error)
{
g_printerr("Error: %s\n", error->message);
g_error_free(error);
}
if( _pipeline == NULL )
{
return false;
}
// bus
GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(_pipeline));
gst_bus_add_watch(bus, (GstBusFunc)on_message, this);
gst_object_unref(bus);
// sink
GstElement *sink = gst_bin_get_by_name(GST_BIN(_pipeline), "sink");
g_signal_connect(sink, "new-sample", G_CALLBACK(on_new_sample), this);
g_signal_connect(sink, "new-preroll", G_CALLBACK(on_new_preroll), this);
gst_object_unref(sink);
gst_element_set_state(_pipeline, GST_STATE_PAUSED);
gst_element_get_state(_pipeline, NULL, NULL, GST_CLOCK_TIME_NONE); // wait until the state changed
if (_width==0 || _height==0)
{
// no valid image has been setup by a on_new_preroll() call.
return false;
}
// setLoopingMode(osg::ImageStream::NO_LOOPING);
// start the thread to run gstreamer main loop
start();
return true;
}
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;
}