static GdkPixbuf *
gst_thumbnailer_cover_from_tags (GstTagList *tags,
GCancellable *cancellable)
{
GstSample *cover = NULL;
guint i;
GstSample *sample;
GstCaps *caps;
const GstStructure *caps_struct;
gint type;
GstBuffer *buffer;
GdkPixbuf *pixbuf = NULL;
for (i = 0; ; i++)
{
if (g_cancellable_is_cancelled (cancellable))
break;
/* look for image in the tags */
if (!gst_tag_list_get_sample_index (tags, GST_TAG_IMAGE, i, &sample))
break;
caps = gst_sample_get_caps (sample);
caps_struct = gst_caps_get_structure (caps, 0);
gst_structure_get_enum (caps_struct,
"image-type",
GST_TYPE_TAG_IMAGE_TYPE,
&type);
if (type == GST_TAG_IMAGE_TYPE_FRONT_COVER)
{
/* found the cover */
cover = sample;
break;
}
gst_sample_unref (sample);
}
if (cover == NULL
&& !g_cancellable_is_cancelled (cancellable))
{
/* look for preview image */
gst_tag_list_get_sample_index (tags, GST_TAG_PREVIEW_IMAGE, 0, &cover);
}
if (cover != NULL)
{
/* create image */
buffer = gst_sample_get_buffer (cover);
pixbuf = gst_thumbnailer_buffer_to_pixbuf (buffer);
gst_sample_unref (cover);
}
return pixbuf;
}
GdkPixbuf *
totem_gst_tag_list_get_cover (GstTagList *tag_list)
{
GstSample *cover_sample;
g_return_val_if_fail (tag_list != NULL, FALSE);
cover_sample = totem_gst_tag_list_get_cover_real (tag_list);
/* Fallback to preview */
if (!cover_sample) {
gst_tag_list_get_sample_index (tag_list, GST_TAG_PREVIEW_IMAGE, 0,
&cover_sample);
}
if (cover_sample) {
GstBuffer *buffer;
GdkPixbuf *pixbuf;
buffer = gst_sample_get_buffer (cover_sample);
pixbuf = totem_gst_buffer_to_pixbuf (buffer);
gst_sample_unref (cover_sample);
return pixbuf;
}
return NULL;
}
static GstSample *
totem_gst_tag_list_get_cover_real (GstTagList *tag_list)
{
GstSample *cover_sample = NULL;
guint i;
for (i = 0; ; i++) {
GstSample *sample;
GstCaps *caps;
const GstStructure *caps_struct;
int type;
if (!gst_tag_list_get_sample_index (tag_list, GST_TAG_IMAGE, i, &sample))
break;
caps = gst_sample_get_caps (sample);
caps_struct = gst_caps_get_structure (caps, 0);
gst_structure_get_enum (caps_struct,
"image-type",
GST_TYPE_TAG_IMAGE_TYPE,
&type);
if (type == GST_TAG_IMAGE_TYPE_UNDEFINED) {
if (cover_sample == NULL) {
/* take a ref here since we will continue and unref below */
cover_sample = gst_sample_ref (sample);
}
} else if (type == GST_TAG_IMAGE_TYPE_FRONT_COVER) {
cover_sample = sample;
break;
}
gst_sample_unref (sample);
}
return cover_sample;
}
static void
save_embedded_art (PraghaBackend *backend, const GstTagList *taglist)
{
PraghaBackendPrivate *priv = backend->priv;
GstSample *sample = NULL;
gst_tag_list_get_sample_index (taglist, GST_TAG_IMAGE, 0, &sample);
if (!sample) //try harder
gst_tag_list_get_sample_index (taglist, GST_TAG_PREVIEW_IMAGE, 0, &sample);
if (!sample)
goto out;
//got art, now check if we need it
const gchar *artist = pragha_musicobject_get_artist (priv->mobj);
const gchar *album = pragha_musicobject_get_album (priv->mobj);
if (pragha_art_cache_contains (priv->art_cache, artist, album))
goto out;
//ok, we need it
GstBuffer *buf = gst_sample_get_buffer (sample);
if (!buf)
goto out;
GstMapInfo info;
if (!gst_buffer_map (buf, &info, GST_MAP_READ))
goto out;
pragha_art_cache_put (priv->art_cache, artist, album, info.data, info.size);
gst_buffer_unmap (buf, &info);
out:
if (sample)
gst_sample_unref (sample);
}
bool get_value(tag_list const &p_tag_list, std::string const &p_name, GstSample* &p_value, const guint p_index)
{
g_assert(!p_name.empty());
return p_tag_list.is_empty() ? false : gst_tag_list_get_sample_index(p_tag_list.get_tag_list(), p_name.c_str(), p_index, &p_value);
}
