void InbandTextTrackPrivateGStreamer::notifyTrackOfSample()
{
Vector<GRefPtr<GstSample> > samples;
{
MutexLocker lock(m_sampleMutex);
m_pendingSamples.swap(samples);
}
for (size_t i = 0; i < samples.size(); ++i) {
GRefPtr<GstSample> sample = samples[i];
GstBuffer* buffer = gst_sample_get_buffer(sample.get());
if (!buffer) {
WARN_MEDIA_MESSAGE("Track %d got sample with no buffer.", m_index);
continue;
}
GstMapInfo info;
gboolean ret = gst_buffer_map(buffer, &info, GST_MAP_READ);
ASSERT(ret);
if (!ret) {
WARN_MEDIA_MESSAGE("Track %d unable to map buffer.", m_index);
continue;
}
INFO_MEDIA_MESSAGE("Track %d parsing sample: %.*s", m_index, static_cast<int>(info.size),
reinterpret_cast<char*>(info.data));
client()->parseWebVTTCueData(this, reinterpret_cast<char*>(info.data), info.size);
gst_buffer_unmap(buffer, &info);
}
}
bool TrackPrivateBaseGStreamer::getTag(GstTagList* tags, const gchar* tagName, StringType& value)
{
GUniqueOutPtr<gchar> tagValue;
if (gst_tag_list_get_string(tags, tagName, &tagValue.outPtr())) {
INFO_MEDIA_MESSAGE("Track %d got %s %s.", m_index, tagName, tagValue.get());
value = tagValue.get();
return true;
}
return false;
}
void InbandTextTrackPrivateGStreamer::notifyTrackOfStreamChanged()
{
GRefPtr<GstEvent> event = adoptGRef(gst_pad_get_sticky_event(m_pad.get(),
GST_EVENT_STREAM_START, 0));
if (!event)
return;
const gchar* streamId;
gst_event_parse_stream_start(event.get(), &streamId);
INFO_MEDIA_MESSAGE("Track %d got stream start for stream %s.", m_index, streamId);
m_streamId = streamId;
}
bool TrackPrivateBaseGStreamer::getLanguageCode(GstTagList* tags, AtomicString& value)
{
String language;
if (getTag(tags, GST_TAG_LANGUAGE_CODE, language)) {
language = gst_tag_get_language_code_iso_639_1(language.utf8().data());
INFO_MEDIA_MESSAGE("Converted track %d's language code to %s.", m_index, language.utf8().data());
if (language != value) {
value = language;
return true;
}
}
return false;
}
void InbandTextTrackPrivateGStreamer::notifyTrackOfTagsChanged()
{
m_tagTimerHandler = 0;
if (!m_pad)
return;
String label;
String language;
GRefPtr<GstEvent> event;
for (guint i = 0; (event = adoptGRef(gst_pad_get_sticky_event(m_pad.get(), GST_EVENT_TAG, i))); ++i) {
GstTagList* tags = 0;
gst_event_parse_tag(event.get(), &tags);
ASSERT(tags);
gchar* tagValue;
if (gst_tag_list_get_string(tags, GST_TAG_TITLE, &tagValue)) {
INFO_MEDIA_MESSAGE("Text track %d got title %s.", m_index, tagValue);
label = tagValue;
g_free(tagValue);
}
if (gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &tagValue)) {
INFO_MEDIA_MESSAGE("Text track %d got language %s.", m_index, tagValue);
language = tagValue;
g_free(tagValue);
}
}
if (m_label != label) {
m_label = label;
client()->labelChanged(this, m_label);
}
if (m_language != language) {
m_language = language;
client()->languageChanged(this, m_language);
}
}
