GST_END_TEST
GST_START_TEST (check_properties)
{
GstElement *filterelement, *filter;
GstElementFactory *factory;
gchar *filter_factory;
filterelement = gst_element_factory_make ("filterelement", NULL);
/* Default value for filter factory must be NULL */
g_object_get (G_OBJECT (filterelement), "filter_factory", &filter_factory,
NULL);
GST_DEBUG ("Got filter_factory property value : %s", filter_factory);
fail_unless (filter_factory == NULL);
/* Default value for filter must be NULL */
g_object_get (G_OBJECT (filterelement), "filter", &filter, NULL);
GST_DEBUG ("Got filter property value : %" GST_PTR_FORMAT, filter);
fail_unless (filter == NULL);
/* Set factory */
filter_factory = "videoflip";
GST_DEBUG ("Setting property uri to : %s", filter_factory);
g_object_set (G_OBJECT (filterelement), "filter_factory", filter_factory,
NULL);
g_object_get (G_OBJECT (filterelement), "filter", &filter, NULL);
fail_unless (filter != NULL);
factory = gst_element_get_factory (filter);
fail_unless (factory != NULL);
GST_DEBUG ("Got factory: %s", GST_OBJECT_NAME (factory));
fail_unless (g_strcmp0 (filter_factory, GST_OBJECT_NAME (factory)) == 0);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (filterelement),
GST_DEBUG_GRAPH_SHOW_ALL, "filter");
/* Reset factory */
filter_factory = "videocrop";
GST_DEBUG ("Setting property uri to : %s", filter_factory);
g_object_set (G_OBJECT (filterelement), "filter_factory", filter_factory,
NULL);
g_object_get (G_OBJECT (filterelement), "filter", &filter, NULL);
fail_unless (filter != NULL);
factory = gst_element_get_factory (filter);
fail_unless (factory != NULL);
GST_DEBUG ("Got factory: %s", GST_OBJECT_NAME (factory));
/* Factory changes are not allowed */
fail_unless (g_strcmp0 (filter_factory, GST_OBJECT_NAME (factory)));
gst_object_unref (filterelement);
}
static void
conference_element_added (FsElementAddedNotifier *notifier,
GstBin *bin,
GstElement *element,
gpointer user_data)
{
GstElementFactory *factory;
const gchar *name;
factory = gst_element_get_factory (element);
name = gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory));
if (!tp_strdiff (name, "x264enc"))
{
/* Ensure that the encoder creates the baseline profile */
g_object_set (element,
"byte-stream", TRUE,
"bframes", 0,
"b-adapt", FALSE,
"cabac", FALSE,
"dct8x8", FALSE,
NULL);
}
else if (!tp_strdiff (name, "gstrtpbin"))
{
/* Lower the jitterbuffer latency to make it more suitable for video
* conferencing */
g_object_set (element, "latency", 100, NULL);
}
}
static struct device_resources find_source (GstElement* self)
{
struct device_resources res = {};
res.color.max = 255;
/* if camera_src is not set we assume that the first default camera src found shall be used */
GstElement* e = GST_ELEMENT(gst_object_get_parent(GST_OBJECT(self)));
GList* l = GST_BIN(e)->children;
while (1==1)
{
const char* name = g_type_name(gst_element_factory_get_element_type(gst_element_get_factory(l->data)));
if (g_strcmp0(name, "GstTcamSrc") == 0)
{
GST_INFO("Found tcam source element");
res.source_element = l->data;
break;
}
if (g_list_next(l) == NULL)
break;
l = g_list_next(l);
}
update_device_resources(&res);
return res;
}
static void
element_setup (GstElement * playbin, GstElement * element, GQueue * elts)
{
GstElementFactory *f = gst_element_get_factory (element);
g_queue_push_tail (elts, f ? GST_OBJECT_NAME (f) : GST_OBJECT_NAME (element));
}
GstElement* tcam_gst_find_camera_src (GstElement* element)
{
GstPad* orig_pad = gst_element_get_static_pad(element, "sink");
GstPad* src_pad = gst_pad_get_peer(orig_pad);
g_object_unref(orig_pad);
if (!src_pad)
{
// this means we have reached a dead end where no valid tcamsrc exists
return nullptr;
}
GstElement* el = gst_pad_get_parent_element(src_pad);
gst_object_unref(src_pad);
GstElement* ret;
const char* name = g_type_name(gst_element_factory_get_element_type(gst_element_get_factory(el)));
if (g_strcmp0(name, "GstTcamSrc") == 0)
{
return el;
}
ret = tcam_gst_find_camera_src(el);
gst_object_unref(el);
return ret;
}
static GstElement *
kms_av_muxer_create_muxer (KmsAVMuxer * self)
{
switch (KMS_BASE_MEDIA_MUXER_GET_PROFILE (self)) {
case KMS_RECORDING_PROFILE_WEBM:
case KMS_RECORDING_PROFILE_WEBM_VIDEO_ONLY:
case KMS_RECORDING_PROFILE_WEBM_AUDIO_ONLY:
return gst_element_factory_make ("webmmux", NULL);
case KMS_RECORDING_PROFILE_MP4:
case KMS_RECORDING_PROFILE_MP4_VIDEO_ONLY:
case KMS_RECORDING_PROFILE_MP4_AUDIO_ONLY:{
GstElement *mux = gst_element_factory_make ("mp4mux", NULL);
GstElementFactory *file_sink_factory =
gst_element_factory_find ("filesink");
GstElementFactory *sink_factory =
gst_element_get_factory (self->priv->sink);
if ((gst_element_factory_get_element_type (sink_factory) !=
gst_element_factory_get_element_type (file_sink_factory))) {
g_object_set (mux, "faststart", TRUE, NULL);
}
g_object_unref (file_sink_factory);
return mux;
}
case KMS_RECORDING_PROFILE_JPEG_VIDEO_ONLY:
return gst_element_factory_make ("jifmux", NULL);
default:
GST_ERROR_OBJECT (self, "No valid recording profile set");
return NULL;
}
}
static void
mutate_playbin (RBVisualizerPlugin *plugin, GstElement *playbin)
{
GstElement *current_vis_plugin;
GstElement *current_video_sink;
int playbin_flags;
if (playbin == plugin->playbin)
return;
rb_debug ("mutating playbin");
/* check no one has already set the playbin properties we're interested in */
g_object_get (playbin,
"vis-plugin", ¤t_vis_plugin,
"video-sink", ¤t_video_sink,
"flags", &playbin_flags,
NULL);
/* ignore fakesinks */
if (current_video_sink != NULL) {
const char *factoryname;
GstElementFactory *factory;
factory = gst_element_get_factory (current_video_sink);
factoryname = gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory));
if (strcmp (factoryname, "fakesink") == 0) {
g_object_unref (current_video_sink);
current_video_sink = NULL;
}
}
if ((current_vis_plugin != NULL) || (current_video_sink != NULL)) {
g_warning ("sink and/or vis plugin already set on playbin");
if (current_vis_plugin)
g_object_unref (current_vis_plugin);
if (current_video_sink)
g_object_unref (current_video_sink);
return;
}
/* detach from old playbin (this should never really happen) */
if (plugin->playbin) {
g_object_unref (plugin->playbin);
}
/* attach to new playbin */
plugin->playbin = g_object_ref (playbin);
g_object_set (plugin->playbin, "video-sink", plugin->sink, NULL);
/* start visualizer if it's supposed to be running */
if (plugin->visualizer != NULL) {
playbin_flags |= PLAYBIN2_FLAG_VIS;
g_object_set (plugin->playbin,
"flags", playbin_flags,
"vis-plugin", plugin->visualizer,
NULL);
}
}
static const gchar *
factory_name_from_element (GstElement *element)
{
GstElementFactory *factory = gst_element_get_factory (element);
if (factory)
return gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory));
else
return NULL;
}
static void
test_position (InsanityTest * test, GstBuffer * buf)
{
GstQuery *query;
GstClockTimeDiff diff;
if (GST_BUFFER_PTS_IS_VALID (buf) == FALSE)
return;
if (GST_CLOCK_TIME_IS_VALID (glob_first_pos_point) == FALSE) {
glob_first_pos_point = gst_segment_to_stream_time (&glob_last_segment,
glob_last_segment.format, GST_BUFFER_PTS (buf));
}
glob_expected_pos = gst_segment_to_stream_time (&glob_last_segment,
glob_last_segment.format, GST_BUFFER_PTS (buf));
diff = ABS (GST_CLOCK_DIFF (glob_expected_pos, glob_first_pos_point));
if (diff < glob_playback_duration * GST_SECOND)
return;
query = gst_query_new_position (GST_FORMAT_TIME);
if (gst_element_query (glob_pipeline, query)) {
gint64 pos;
GstFormat fmt;
GstClockTimeDiff diff;
gst_query_parse_position (query, &fmt, &pos);
diff = ABS (GST_CLOCK_DIFF (glob_expected_pos, pos));
if (diff <= POSITION_THRESHOLD) {
insanity_test_validate_checklist_item (test, "position-detection", TRUE,
NULL);
} else {
gchar *validate_msg = g_strdup_printf ("Found position: %" GST_TIME_FORMAT
" expected: %" GST_TIME_FORMAT, GST_TIME_ARGS (pos),
GST_TIME_ARGS (glob_expected_pos));
insanity_test_validate_checklist_item (test, "position-detection",
FALSE, validate_msg);
g_free (validate_msg);
}
} else {
LOG (test,
"%s Does not handle position queries (position-detection \"SKIP\")",
gst_element_factory_get_metadata (gst_element_get_factory
(glob_demuxer), GST_ELEMENT_METADATA_LONGNAME));
}
next_test (test);
}
static gint
find_composition_func (const GValue * velement)
{
GstElement *element = g_value_get_object (velement);
GstElementFactory *fac = gst_element_get_factory (element);
const gchar *name = gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (fac));
if (g_strcmp0 (name, "gnlcomposition") == 0)
return 0;
return 1;
}
gboolean
rb_gst_encoder_set_encoding_style (GstElement *encoder, const char *style)
{
GstElementFactory *factory;
char *group_name;
char **keys;
int i;
factory = gst_element_get_factory (encoder);
group_name = g_strdup_printf (ENCODER_STYLE_SETTINGS_PREFIX "%s-%s",
gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)),
style);
rb_debug ("applying settings from %s", group_name);
keys = g_key_file_get_keys (get_target_keyfile (), group_name, NULL, NULL);
if (keys == NULL) {
rb_debug ("nothing to apply");
g_free (group_name);
return FALSE;
}
for (i = 0; keys[i] != NULL; i++) {
GParamSpec *pspec;
GValue v = {0,};
char *value;
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (encoder), keys[i]);
if (pspec == NULL) {
rb_debug ("couldn't find property %s", keys[i]);
continue;
}
value = g_key_file_get_string (get_target_keyfile (), group_name, keys[i], NULL);
if (value == NULL) {
rb_debug ("couldn't get value for property %s", keys[i]);
continue;
}
g_value_init (&v, pspec->value_type);
if (gst_value_deserialize (&v, value)) {
rb_debug ("applying value \"%s\" to property %s", value, keys[i]);
g_object_set_property (G_OBJECT (encoder), keys[i], &v);
} else {
rb_debug ("couldn't deserialize value \"%s\" for property %s", value, keys[i]);
}
g_value_unset (&v);
}
g_strfreev (keys);
g_free (group_name);
return TRUE;
}
GstElement * _owr_payload_create_encoder(OwrPayload *payload)
{
GstElement *encoder = NULL;
gchar *element_name = NULL;
GstElementFactory *factory;
const gchar *factory_name;
g_return_val_if_fail(payload, NULL);
switch (payload->priv->codec_type) {
case OWR_CODEC_TYPE_H264:
encoder = try_codecs(h264_encoders, "encoder");
g_return_val_if_fail(encoder, NULL);
factory = gst_element_get_factory(encoder);
factory_name = gst_plugin_feature_get_name(factory);
if (!strcmp(factory_name, "openh264enc")) {
g_object_set(encoder, "gop-size", 0, NULL);
gst_util_set_object_arg(G_OBJECT(encoder), "rate-control", "bitrate");
g_object_bind_property(payload, "bitrate", encoder, "bitrate", G_BINDING_SYNC_CREATE);
} else if (!strcmp(factory_name, "x264enc")) {
g_object_bind_property_full(payload, "bitrate", encoder, "bitrate", G_BINDING_SYNC_CREATE,
binding_transform_to_kbps, NULL, NULL, NULL);
g_object_set(encoder, "tune", 0x04 /* zero-latency */, NULL);
} else if (!strcmp(factory_name, "vtenc_h264")) {
g_object_bind_property_full(payload, "bitrate", encoder, "bitrate", G_BINDING_SYNC_CREATE,
binding_transform_to_kbps, NULL, NULL, NULL);
} else {
/* Assume bits/s instead of kbit/s */
g_object_bind_property(payload, "bitrate", encoder, "bitrate", G_BINDING_SYNC_CREATE);
}
g_object_set(payload, "bitrate", evaluate_bitrate_from_payload(payload), NULL);
break;
case OWR_CODEC_TYPE_VP8:
encoder = try_codecs(vp8_encoders, "encoder");
g_return_val_if_fail(encoder, NULL);
g_object_set(encoder, "end-usage", 1, "deadline", G_GINT64_CONSTANT(1), "lag-in-frames", 0,
"error-resilient", 1, "keyframe-mode", 0, NULL);
g_object_bind_property(payload, "bitrate", encoder, "target-bitrate", G_BINDING_SYNC_CREATE);
g_object_set(payload, "bitrate", evaluate_bitrate_from_payload(payload), NULL);
break;
default:
element_name = g_strdup_printf("encoder_%s_%u", OwrCodecTypeEncoderElementName[payload->priv->codec_type], get_unique_id());
encoder = gst_element_factory_make(OwrCodecTypeEncoderElementName[payload->priv->codec_type], element_name);
g_free(element_name);
g_return_val_if_fail(encoder, NULL);
break;
}
return encoder;
}
nsresult GStreamerReader::CheckSupportedFormats()
{
bool done = false;
bool unsupported = false;
GstIterator *it = gst_bin_iterate_recurse(GST_BIN(mPlayBin));
while (!done) {
GstElement* element;
GstIteratorResult res = gst_iterator_next(it, (void **)&element);
switch(res) {
case GST_ITERATOR_OK:
{
GstElementFactory* factory = gst_element_get_factory(element);
if (factory) {
const char* klass = gst_element_factory_get_klass(factory);
GstPad* pad = gst_element_get_pad(element, "sink");
if (pad) {
GstCaps* caps = gst_pad_get_negotiated_caps(pad);
if (caps) {
/* check for demuxers but ignore elements like id3demux */
if (strstr (klass, "Demuxer") && !strstr(klass, "Metadata"))
unsupported = !GStreamerFormatHelper::Instance()->CanHandleContainerCaps(caps);
else if (strstr (klass, "Decoder"))
unsupported = !GStreamerFormatHelper::Instance()->CanHandleCodecCaps(caps);
gst_caps_unref(caps);
}
gst_object_unref(pad);
}
}
gst_object_unref(element);
done = unsupported;
break;
}
case GST_ITERATOR_RESYNC:
unsupported = false;
done = false;
break;
case GST_ITERATOR_ERROR:
done = true;
break;
case GST_ITERATOR_DONE:
done = true;
break;
}
}
return unsupported ? NS_ERROR_FAILURE : NS_OK;
}
GstElement *
_bp_equalizer_new (BansheePlayer *player)
{
GstElement *equalizer;
if (player->equalizer_status == BP_EQ_STATUS_DISABLED) {
return NULL;
}
if (player->equalizer_status == BP_EQ_STATUS_UNCHECKED ||
player->equalizer_status == BP_EQ_STATUS_USE_BUILTIN) {
equalizer = gst_element_factory_make ("banshee-equalizer", "banshee-equalizer");
if (equalizer != NULL) {
if (player->equalizer_status == BP_EQ_STATUS_UNCHECKED) {
player->equalizer_status = BP_EQ_STATUS_USE_BUILTIN;
bp_debug ("Using built-in equalizer element");
}
return equalizer;
}
}
if (player->equalizer_status == BP_EQ_STATUS_UNCHECKED ||
player->equalizer_status == BP_EQ_STATUS_USE_SYSTEM) {
equalizer = gst_element_factory_make ("equalizer-10bands", "equalizer-10bands");
if (equalizer != NULL) {
GstElementFactory *efactory = NULL;
if (player->equalizer_status == BP_EQ_STATUS_USE_SYSTEM) {
return equalizer;
}
efactory = gst_element_get_factory (equalizer);
if (gst_plugin_feature_check_version (GST_PLUGIN_FEATURE (efactory), 0, 10, 9)) {
bp_debug ("Using system (gst-plugins-good) equalizer element");
player->equalizer_status = BP_EQ_STATUS_USE_SYSTEM;
return equalizer;
}
bp_debug ("Buggy system equalizer found. gst-plugins-good 0.10.9 or better "
"required, or build Banshee with the built-in equalizer.");
gst_object_unref (equalizer);
} else {
bp_debug ("No system equalizer found");
}
}
bp_debug ("No suitable equalizer element could be found, disabling EQ for this session");
player->equalizer_status = BP_EQ_STATUS_DISABLED;
return NULL;
}
static void
add_element_used (InsanityGstPipelineTest * ptest, GstElement * element)
{
GstElementFactory *factory;
const char *factory_name;
char label[32], *element_name;
GValue string_value = { 0 };
GstElement *parent;
/* Only add once */
element_name = gst_element_get_name (element);
if (g_hash_table_lookup_extended (ptest->priv->elements_used, element_name,
NULL, NULL)) {
g_free (element_name);
return;
}
g_hash_table_insert (ptest->priv->elements_used, g_strdup (element_name),
NULL);
ptest->priv->element_count++;
g_value_init (&string_value, G_TYPE_STRING);
factory = gst_element_get_factory (element);
factory_name =
factory ? gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME) : "(no factory)";
g_value_take_string (&string_value, element_name);
snprintf (label, sizeof (label), "elements-used.%u.name",
ptest->priv->element_count);
insanity_test_set_extra_info (INSANITY_TEST (ptest), label, &string_value);
g_value_reset (&string_value);
g_value_set_string (&string_value, factory_name);
snprintf (label, sizeof (label), "elements-used.%u.factory",
ptest->priv->element_count);
insanity_test_set_extra_info (INSANITY_TEST (ptest), label, &string_value);
g_value_reset (&string_value);
parent = GST_ELEMENT (gst_element_get_parent (element));
if (parent) {
g_value_take_string (&string_value, gst_element_get_name (parent));
snprintf (label, sizeof (label), "elements-used.%u.parent",
ptest->priv->element_count);
insanity_test_set_extra_info (INSANITY_TEST (ptest), label, &string_value);
g_value_reset (&string_value);
gst_object_unref (parent);
}
}
static void
unvalidate_seeking_tests (InsanityTest * test)
{
gchar *message = g_strdup_printf ("%s not seekable in %s mode",
gst_element_factory_get_metadata (gst_element_get_factory
(glob_demuxer), GST_ELEMENT_METADATA_LONGNAME),
pipeline_mode_get_name (glob_push_mode));
insanity_test_validate_checklist_item (test, "fast-forward", TRUE, message);
insanity_test_validate_checklist_item (test, "fast-backward", TRUE, message);
insanity_test_validate_checklist_item (test, "backward-playback", TRUE,
message);
g_free (message);
}
static gint
find_hlsdemux (GValue * value, gpointer user_data)
{
GstElement *e = GST_ELEMENT (g_value_get_object (value));
GstObject *fact = GST_OBJECT (gst_element_get_factory (e));
gchar *name = gst_object_get_name (fact);
if (g_strcmp0 (name, "hlsdemux") == 0) {
g_free (name);
return 0;
}
g_free (name);
return 1;
}
void GStreamerReader::ElementAddedCb(GstBin *aPlayBin,
GstElement *aElement,
gpointer aUserData)
{
GstElementFactory *factory = gst_element_get_factory(aElement);
if (!factory)
return;
const gchar *name = gst_plugin_feature_get_name(GST_PLUGIN_FEATURE(factory));
if (name && !strcmp(name, "uridecodebin")) {
g_signal_connect(G_OBJECT(aElement), "autoplug-sort",
G_CALLBACK(GStreamerReader::ElementFilterCb), aUserData);
}
}
static void
element_added (FsElementAddedNotifier *notif, GstBin *bin, GstElement *element,
gpointer user_data)
{
GstElementFactory *fact = gst_element_get_factory (element);
if (!fact)
return;
if (strcmp (gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (fact)),
"theoradec"))
return;
ts_fail_unless (decoder_count == 0);
decoder_count++;
}
struct device_resources find_source (GstElement* self)
{
struct device_resources res = {};
res.color.max = 255;
/* if camera_src is not set we assume that the first default camera src found shall be used */
GstElement* e = GST_ELEMENT( gst_object_get_parent(GST_OBJECT(self)));
GList* l = GST_BIN(e)->children;
while (1==1)
{
const char* name = g_type_name(gst_element_factory_get_element_type (gst_element_get_factory(l->data)));
if (g_strcmp0(name, CAMERASRC_USB) == 0)
{
GST_LOG_OBJECT(self, "Found v4l2 device");
res.source_type = V4L2;
res.source_element = l->data;
break;
}
if (g_strcmp0(name, CAMERASRC_NETWORK) == 0)
{
GST_LOG_OBJECT(self, "Found aravis device");
res.source_type = ARAVIS;
res.source_element = l->data;
break;
}
if (g_list_next(l) == NULL)
break;
l = g_list_next(l);
}
if (res.source_type == UNKNOWN)
{
GST_LOG_OBJECT(self, "Unknown source type");
}
update_device_resources (&res);
return res;
}
static gpointer
rb_audiocd_load_songs (RBAudioCdSource *source)
{
RBAudioCdSourcePrivate *priv = AUDIOCD_SOURCE_GET_PRIVATE (source);
RhythmDB *db;
GVolume *volume;
g_object_get (source, "volume", &volume, NULL);
priv->device_path = g_volume_get_identifier (volume,
G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
g_object_unref (volume);
db = get_db_for_source (source);
rb_debug ("loading Audio CD from %s", priv->device_path);
/* create a cdda gstreamer element, to get cd info from */
priv->cdda = gst_element_make_from_uri (GST_URI_SRC, "cdda://", NULL);
if (!priv->cdda) {
gdk_threads_enter ();
rb_error_dialog (NULL, _("Couldn't load Audio CD"),
_("Rhythmbox could not get access to the CD device."));
gdk_threads_leave ();
goto error_out;
}
rb_debug ("cdda longname: %s", gst_element_factory_get_longname (gst_element_get_factory (priv->cdda)));
g_object_set (G_OBJECT (priv->cdda), "device", priv->device_path, NULL);
priv->pipeline = gst_pipeline_new ("pipeline");
priv->fakesink = gst_element_factory_make ("fakesink", "fakesink");
gst_bin_add_many (GST_BIN (priv->pipeline), priv->cdda, priv->fakesink, NULL);
gst_element_link (priv->cdda, priv->fakesink);
/* disable paranoia (if using cdparanoia) since we're only reading track information here.
* this reduces cdparanoia's cache size, so the process is much faster.
*/
if (g_object_class_find_property (G_OBJECT_GET_CLASS (source), "paranoia-mode"))
g_object_set (source, "paranoia-mode", 0, NULL);
if (rb_audiocd_scan_songs (source, db))
rb_audiocd_load_metadata (source, db);
error_out:
g_object_unref (db);
g_object_unref (source);
return NULL;
}
bool ofGstUtils::setPipelineWithSink(GstElement * pipeline, GstElement * sink, bool isStream_){
gstPipeline = pipeline;
gstSink = sink;
isStream = isStream_;
if(gstSink){
gst_base_sink_set_sync(GST_BASE_SINK(gstSink), true);
}
if(gstSink && string(gst_plugin_feature_get_name( GST_PLUGIN_FEATURE(gst_element_get_factory(gstSink))))=="appsink"){
isAppSink = true;
}else{
isAppSink = false;
}
return startPipeline();
}
static gboolean
mixer_filter_func (GstMixer * mixer, gpointer user_data)
{
GstElementFactory *factory;
const gchar *long_name;
gchar *devname = NULL;
gchar *name;
gint *p_count = (gint *) user_data;
/* fetch name */
if (g_object_class_find_property (G_OBJECT_GET_CLASS (G_OBJECT (mixer)),
"device-name")) {
g_object_get (mixer, "device-name", &devname, NULL);
GST_DEBUG ("device name: %s", GST_STR_NULL (devname));
} else {
devname = NULL;
GST_DEBUG ("device name unknown, no 'device-name' property");
}
factory = gst_element_get_factory (GST_ELEMENT (mixer));
long_name = gst_element_factory_get_longname (factory);
if (devname) {
name = g_strdup_printf ("%s (%s)", devname, long_name);
g_free (devname);
} else {
gchar *title;
*p_count += 1;
title = g_strdup_printf (_("Unknown Volume Control %d"), *p_count);
name = g_strdup_printf ("%s (%s)", title, long_name);
g_free (title);
}
g_object_set_data_full (G_OBJECT (mixer),
"mate-volume-control-name",
name,
(GDestroyNotify) g_free);
GST_DEBUG ("Adding '%s' to list of available mixers", name);
gst_element_set_state (GST_ELEMENT (mixer), GST_STATE_NULL);
return TRUE; /* add mixer to list */
}
static gint find_by_factory_func(gconstpointer p_value_ptr, gconstpointer p_user_data)
{
GValue const *value = static_cast < GValue const* > (p_value_ptr);
std::string const *expected_factory_name = static_cast < std::string const * > (p_user_data);
GstElement *elem = GST_ELEMENT(g_value_get_object(value));
GST_OBJECT_LOCK(elem);
GstElementFactory *factory = gst_element_get_factory(elem);
gchar const *factory_name = gst_plugin_feature_get_name(factory);
gint result = (factory_name == *expected_factory_name) ? 0 : 1;
GST_OBJECT_UNLOCK(elem);
return result;
}
static char *
make_bundle_name (GstObject * obj, const gchar * name)
{
GstElementFactory *factory;
gchar *basename, *s, *bundle;
factory = gst_element_get_factory ((GstElement *) obj);
basename = g_strdup (gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME));
s = basename;
while ((s = strchr (s, ' '))) {
*s = '_';
}
bundle = g_strjoin (NULL, basename, "_", name, ".preset.lv2", NULL);
g_free (basename);
return bundle;
}
static void
remove_on_unlinked_async (gpointer data, gpointer not_used)
{
GstElement *elem = GST_ELEMENT_CAST (data);
GstObject *parent = gst_object_get_parent (GST_OBJECT (elem));
gst_element_set_locked_state (elem, TRUE);
if (g_strcmp0 (GST_OBJECT_NAME (gst_element_get_factory (elem)),
"queue") == 0) {
g_object_set (G_OBJECT (elem), "flush-on-eos", TRUE, NULL);
gst_element_send_event (elem, gst_event_new_eos ());
}
gst_element_set_state (elem, GST_STATE_NULL);
if (parent != NULL) {
gst_bin_remove (GST_BIN (parent), elem);
g_object_unref (parent);
}
g_object_unref (data);
}
void CameraBinAudioEncoder::applySettings(GstElement *encoder)
{
GObjectClass * const objectClass = G_OBJECT_GET_CLASS(encoder);
const char * const name = gst_plugin_feature_get_name(
GST_PLUGIN_FEATURE(gst_element_get_factory(encoder)));
const bool isVorbis = qstrcmp(name, "vorbisenc") == 0;
const int bitRate = m_actualAudioSettings.bitRate();
if (!isVorbis && bitRate == -1) {
// Bit rate is invalid, don't evaluate the remaining conditions unless the encoder is
// vorbisenc which is known to accept -1 as an unspecified bitrate.
} else if (g_object_class_find_property(objectClass, "bitrate")) {
g_object_set(G_OBJECT(encoder), "bitrate", bitRate, NULL);
} else if (g_object_class_find_property(objectClass, "target-bitrate")) {
g_object_set(G_OBJECT(encoder), "target-bitrate", bitRate, NULL);
}
if (isVorbis) {
static const double qualities[] = { 0.1, 0.3, 0.5, 0.7, 1.0 };
g_object_set(G_OBJECT(encoder), "quality", qualities[m_actualAudioSettings.quality()], NULL);
}
}
void
GstUtils::set_element_property_in_bin(GstElement *bin,
const gchar *factory_name,
const gchar *property_name,
gboolean property_value) {
if (!GST_IS_BIN(bin))
return;
if (g_list_length(GST_BIN_CHILDREN(GST_BIN(bin))) > 0) {
GList *child = nullptr, *children = GST_BIN_CHILDREN(GST_BIN(bin));
for (child = children; child != nullptr; child = g_list_next(child)) {
GstElement *current_element = GST_ELEMENT(child->data);
GstElementFactory *factory = gst_element_get_factory(current_element);
// g_print ("The '%s' element is a member of the category %s.\n"
// "Description: %s\n",
// gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (sub_factory)),
// gst_element_factory_get_klass (sub_factory),
// gst_element_factory_get_description (sub_factory));
if (g_strcmp0(factory_name,
gst_plugin_feature_get_name(GST_PLUGIN_FEATURE(factory)))
== 0) {
g_debug("GstUtils: setting property for %s", factory_name);
g_object_set(G_OBJECT(current_element), property_name,
property_value, nullptr);
}
if (GST_IS_BIN(current_element)) { // recursive
GstUtils::set_element_property_in_bin(current_element,
factory_name,
property_name,
property_value);
}
}
}
}
GstElement *
GstUtils::get_first_element_from_factory_name(GstBin *bin,
const std::string &factory_name) {
if (!GST_IS_BIN(bin)) {
g_warning("%s: first argument is not a bin", __FUNCTION__);
return nullptr;
}
if (g_list_length(GST_BIN_CHILDREN(bin)) == 0) {
g_warning("%s: bin has no child", __FUNCTION__);
return nullptr;
}
GList *child = nullptr, *children = GST_BIN_CHILDREN(GST_BIN(bin));
for (child = children; child != nullptr; child = g_list_next(child)) {
GstElement *current_element = GST_ELEMENT(child->data);
GstElementFactory *factory = gst_element_get_factory(current_element);
if (factory_name == gst_plugin_feature_get_name(GST_PLUGIN_FEATURE(factory))) {
return current_element;
}
}
g_warning("%s: no element found for %s", __FUNCTION__, factory_name.c_str());
return nullptr;
}
static gint create_encoder_pipeline (Encoder *encoder)
{
GstElement *pipeline, *element;
Bin *bin;
Link *link;
GSList *bins, *links, *elements;
GstElementFactory *element_factory;
GType type;
EncoderStream *stream;
GstAppSrcCallbacks callbacks = {
need_data_callback,
NULL,
NULL
};
GstAppSinkCallbacks encoder_appsink_callbacks = {
NULL,
NULL,
new_sample_callback
};
GstCaps *caps;
GstBus *bus;
pipeline = gst_pipeline_new (NULL);
/* add element to pipeline first. */
bins = encoder->bins;
while (bins != NULL) {
bin = bins->data;
elements = bin->elements;
while (elements != NULL) {
element = elements->data;
if (!gst_bin_add (GST_BIN (pipeline), element)) {
GST_ERROR ("add element %s to bin %s error.", gst_element_get_name (element), bin->name);
return 1;
}
elements = g_slist_next (elements);
}
bins = g_slist_next (bins);
}
/* then links element. */
bins = encoder->bins;
while (bins != NULL) {
bin = bins->data;
element = bin->first;
element_factory = gst_element_get_factory (element);
type = gst_element_factory_get_element_type (element_factory);
stream = NULL;
if (g_strcmp0 ("GstAppSrc", g_type_name (type)) == 0) {
GST_INFO ("Encoder appsrc found.");
stream = encoder_get_stream (encoder, bin->name);
gst_app_src_set_callbacks (GST_APP_SRC (element), &callbacks, stream, NULL);
}
element = bin->last;
element_factory = gst_element_get_factory (element);
type = gst_element_factory_get_element_type (element_factory);
if ((g_strcmp0 ("GstAppSink", g_type_name (type)) == 0) ||
(g_strcmp0 ("GstHlsSink", g_type_name (type)) == 0) ||
(g_strcmp0 ("GstFileSink", g_type_name (type)) == 0)) {
GstPad *pad;
if (g_strcmp0 ("GstAppSink", g_type_name (type)) == 0) {
GST_INFO ("Encoder appsink found.");
gst_app_sink_set_callbacks (GST_APP_SINK (element), &encoder_appsink_callbacks, encoder, NULL);
}
pad = gst_element_get_static_pad (element, "sink");
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM, encoder_appsink_event_probe, encoder, NULL);
}
links = bin->links;
while (links != NULL) {
link = links->data;
GST_INFO ("link element: %s -> %s", link->src_name, link->sink_name);
if (link->caps != NULL) {
caps = gst_caps_from_string (link->caps);
gst_element_link_filtered (link->src, link->sink, caps);
gst_caps_unref (caps);
} else {
gst_element_link (link->src, link->sink);
}
links = g_slist_next (links);
}
bins = g_slist_next (bins);
}
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_watch (bus, bus_callback, encoder);
g_object_unref (bus);
encoder->pipeline = pipeline;
return 0;
}
