P_INVOKE gchar *
bp_get_subtitle_description (BansheePlayer *player, int i)
{
gchar *code = NULL;
gchar *desc = NULL;
GstTagList *tags = NULL;
g_return_val_if_fail (IS_BANSHEE_PLAYER (player), NULL);
g_signal_emit_by_name (G_OBJECT (player->playbin), "get-text-tags", i, &tags);
if (G_LIKELY(tags)) {
gst_tag_list_get_string (tags, GST_TAG_LANGUAGE_CODE, &code);
gst_tag_list_free (tags);
g_return_val_if_fail (code != NULL, NULL);
// ISO 639-2 undetermined language
if (strcmp ((const gchar *)code, "und") == 0) {
g_free (code);
return NULL;
}
bp_debug ("[subtitle]: iso 639-2 subtitle code %s", code);
desc = (gchar *) gst_tag_get_language_name ((const gchar *)&code);
bp_debug ("[subtitle]: subtitle language: %s", desc);
g_free (code);
}
return desc;
}
static void
play_cycle_track_selection (GstPlay * play, GstPlayTrackType track_type)
{
const gchar *prop_cur, *prop_n, *prop_get, *name;
gint cur = -1, n = -1;
switch (track_type) {
case GST_PLAY_TRACK_TYPE_AUDIO:
prop_get = "get-audio-tags";
prop_cur = "current-audio";
prop_n = "n-audio";
name = "audio";
break;
case GST_PLAY_TRACK_TYPE_VIDEO:
prop_get = "get-video-tags";
prop_cur = "current-video";
prop_n = "n-video";
name = "video";
break;
case GST_PLAY_TRACK_TYPE_SUBTITLE:
prop_get = "get-text-tags";
prop_cur = "current-text";
prop_n = "n-text";
name = "subtitle";
break;
default:
return;
}
g_object_get (play->playbin, prop_cur, &cur, prop_n, &n, NULL);
if (n < 1) {
g_print ("No %s tracks.\n", name);
} else if (n == 1) {
g_print ("No other %s tracks to switch to.\n", name);
} else {
gchar *lcode = NULL, *lname = NULL;
const gchar *lang = NULL;
GstTagList *tags = NULL;
cur = (cur + 1) % n;
g_signal_emit_by_name (play->playbin, prop_get, cur, &tags);
if (tags != NULL) {
if (gst_tag_list_get_string (tags, GST_TAG_LANGUAGE_CODE, &lcode))
lang = gst_tag_get_language_name (lcode);
else if (gst_tag_list_get_string (tags, GST_TAG_LANGUAGE_NAME, &lname))
lang = lname;
gst_tag_list_unref (tags);
}
if (lang != NULL)
g_print ("Switching to %s track %d of %d (%s).\n", name, cur + 1, n,
lang);
else
g_print ("Switching to %s track %d of %d.\n", name, cur + 1, n);
g_object_set (play->playbin, prop_cur, cur, NULL);
g_free (lcode);
g_free (lname);
}
}
static PyObject *
_wrap_gst_tag_get_language_name(PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "language_code", NULL };
char *language_code;
const gchar *ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,"s:get_language_name", kwlist, &language_code))
return NULL;
pyg_begin_allow_threads;
ret = gst_tag_get_language_name(language_code);
pyg_end_allow_threads;
if (ret)
return PyString_FromString(ret);
Py_INCREF(Py_None);
return Py_None;
}
static void
play_cycle_track_selection (GstPlay * play, GstPlayTrackType track_type)
{
const gchar *prop_cur, *prop_n, *prop_get, *name;
gint cur = -1, n = -1;
guint flag, cur_flags;
switch (track_type) {
case GST_PLAY_TRACK_TYPE_AUDIO:
prop_get = "get-audio-tags";
prop_cur = "current-audio";
prop_n = "n-audio";
name = "audio";
flag = 0x2;
break;
case GST_PLAY_TRACK_TYPE_VIDEO:
prop_get = "get-video-tags";
prop_cur = "current-video";
prop_n = "n-video";
name = "video";
flag = 0x1;
break;
case GST_PLAY_TRACK_TYPE_SUBTITLE:
prop_get = "get-text-tags";
prop_cur = "current-text";
prop_n = "n-text";
name = "subtitle";
flag = 0x4;
break;
default:
return;
}
g_object_get (play->playbin, prop_cur, &cur, prop_n, &n, "flags", &cur_flags,
NULL);
if (n < 1) {
g_print ("No %s tracks.\n", name);
} else {
gchar *lcode = NULL, *lname = NULL;
const gchar *lang = NULL;
GstTagList *tags = NULL;
if (!(cur_flags & flag))
cur = 0;
else
cur = (cur + 1) % (n + 1);
if (cur >= n && track_type != GST_PLAY_TRACK_TYPE_VIDEO) {
cur = -1;
g_print ("Disabling %s. \n", name);
if (cur_flags & flag) {
cur_flags &= ~flag;
g_object_set (play->playbin, "flags", cur_flags, NULL);
}
} else {
/* For video we only want to switch between streams, not disable it altogether */
if (cur >= n)
cur = 0;
if (!(cur_flags & flag) && track_type != GST_PLAY_TRACK_TYPE_VIDEO) {
cur_flags |= flag;
g_object_set (play->playbin, "flags", cur_flags, NULL);
}
g_signal_emit_by_name (play->playbin, prop_get, cur, &tags);
if (tags != NULL) {
if (gst_tag_list_get_string (tags, GST_TAG_LANGUAGE_CODE, &lcode))
lang = gst_tag_get_language_name (lcode);
else if (gst_tag_list_get_string (tags, GST_TAG_LANGUAGE_NAME, &lname))
lang = lname;
gst_tag_list_unref (tags);
}
if (lang != NULL)
g_print ("Switching to %s track %d of %d (%s).\n", name, cur + 1, n,
lang);
else
g_print ("Switching to %s track %d of %d.\n", name, cur + 1, n);
}
g_object_set (play->playbin, prop_cur, cur, NULL);
g_free (lcode);
g_free (lname);
}
}
