static GstCaps *
caps_from_audio_stream_info (GstDiscovererStreamInfo *info)
{
GstCaps *temp = gst_discoverer_stream_info_get_caps (info);
GstCaps *caps = gst_caps_copy (temp);
const GstDiscovererAudioInfo *audio_info =
GST_DISCOVERER_AUDIO_INFO(info);
guint data;
gst_caps_unref (temp);
data = gst_discoverer_audio_info_get_sample_rate (audio_info);
if (data)
gst_caps_set_simple (caps, "rate", G_TYPE_INT, data, NULL);
data = gst_discoverer_audio_info_get_channels (audio_info);
if (data)
gst_caps_set_simple (caps, "channels", G_TYPE_INT, data, NULL);
data = gst_discoverer_audio_info_get_bitrate (audio_info);
if (data)
gst_caps_set_simple (caps, "bitrate", G_TYPE_INT, data, NULL);
data = gst_discoverer_audio_info_get_max_bitrate (audio_info);
if (data)
gst_caps_set_simple
(caps, "maximum-bitrate", G_TYPE_INT, data, NULL);
data = gst_discoverer_audio_info_get_depth (audio_info);
if (data)
gst_caps_set_simple (caps, "depth", G_TYPE_INT, data, NULL);
return caps;
}
static gchar *
gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
gint depth)
{
GstDiscovererAudioInfo *audio_info;
GString *s;
gchar *tmp;
const gchar *ctmp;
int len = 400;
const GstTagList *tags;
g_return_val_if_fail (info != NULL, NULL);
s = g_string_sized_new (len);
gst_stream_information_to_string (info, s, depth);
audio_info = (GstDiscovererAudioInfo *) info;
ctmp = gst_discoverer_audio_info_get_language (audio_info);
my_g_string_append_printf (s, depth, "Language: %s\n",
ctmp ? ctmp : "<unknown>");
my_g_string_append_printf (s, depth, "Channels: %u\n",
gst_discoverer_audio_info_get_channels (audio_info));
my_g_string_append_printf (s, depth, "Sample rate: %u\n",
gst_discoverer_audio_info_get_sample_rate (audio_info));
my_g_string_append_printf (s, depth, "Depth: %u\n",
gst_discoverer_audio_info_get_depth (audio_info));
my_g_string_append_printf (s, depth, "Bitrate: %u\n",
gst_discoverer_audio_info_get_bitrate (audio_info));
my_g_string_append_printf (s, depth, "Max bitrate: %u\n",
gst_discoverer_audio_info_get_max_bitrate (audio_info));
my_g_string_append_printf (s, depth, "Tags:\n");
tags = gst_discoverer_stream_info_get_tags (info);
if (tags) {
tmp = gst_tag_list_to_string (tags);
my_g_string_append_printf (s, depth, " %s\n", tmp);
g_free (tmp);
} else {
my_g_string_append_printf (s, depth, " None\n");
}
if (verbose)
my_g_string_append_printf (s, depth, "\n");
return g_string_free (s, FALSE);
}
static gchar *
gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
guint depth)
{
GstDiscovererAudioInfo *audio_info;
GString *s;
const gchar *ctmp;
int len = 400;
const GstTagList *tags;
gchar *channel_positions;
g_return_val_if_fail (info != NULL, NULL);
s = g_string_sized_new (len);
gst_stream_information_to_string (info, s, depth);
audio_info = (GstDiscovererAudioInfo *) info;
ctmp = gst_discoverer_audio_info_get_language (audio_info);
my_g_string_append_printf (s, depth, "Language: %s\n",
ctmp ? ctmp : "<unknown>");
channel_positions = format_channel_mask (audio_info);
my_g_string_append_printf (s, depth, "Channels: %u (%s)\n",
gst_discoverer_audio_info_get_channels (audio_info), channel_positions);
g_free (channel_positions);
my_g_string_append_printf (s, depth, "Sample rate: %u\n",
gst_discoverer_audio_info_get_sample_rate (audio_info));
my_g_string_append_printf (s, depth, "Depth: %u\n",
gst_discoverer_audio_info_get_depth (audio_info));
my_g_string_append_printf (s, depth, "Bitrate: %u\n",
gst_discoverer_audio_info_get_bitrate (audio_info));
my_g_string_append_printf (s, depth, "Max bitrate: %u\n",
gst_discoverer_audio_info_get_max_bitrate (audio_info));
tags = gst_discoverer_stream_info_get_tags (info);
print_tags_topology (depth, tags);
return g_string_free (s, FALSE);
}
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()));
}
