/* takes ownership of tag list */
static gboolean
gst_icydemux_tag_found (GstICYDemux * icydemux, GstTagList * tags)
{
/* send the tag event if we have finished typefinding and have a src pad */
if (icydemux->srcpad)
return gst_icydemux_send_tag_event (icydemux, tags);
/* if we haven't a source pad yet, cache the tags */
if (!icydemux->cached_tags) {
icydemux->cached_tags = tags;
} else {
gst_tag_list_insert (icydemux->cached_tags, tags,
GST_TAG_MERGE_REPLACE_ALL);
gst_tag_list_free (tags);
}
return TRUE;
}
static GstFlowReturn
gst_icydemux_typefind_or_forward (GstICYDemux * icydemux, GstBuffer * buf)
{
if (icydemux->typefinding) {
GstBuffer *tf_buf;
GstCaps *caps = NULL;
GstTypeFindProbability prob;
/* If we have a content-type from upstream, let's see if we can shortcut
* typefinding */
if (G_UNLIKELY (icydemux->content_type)) {
if (!g_ascii_strcasecmp (icydemux->content_type, "video/nsv")) {
GST_DEBUG ("We have a NSV stream");
caps = gst_caps_new_simple ("video/x-nsv", NULL);
} else {
GST_DEBUG ("Upstream Content-Type isn't supported");
g_free (icydemux->content_type);
icydemux->content_type = NULL;
}
}
if (icydemux->typefind_buf) {
icydemux->typefind_buf = gst_buffer_join (icydemux->typefind_buf, buf);
} else {
icydemux->typefind_buf = buf;
}
/* Only typefind if we haven't already got some caps */
if (caps == NULL) {
caps = gst_type_find_helper_for_buffer (GST_OBJECT (icydemux),
icydemux->typefind_buf, &prob);
if (caps == NULL) {
if (GST_BUFFER_SIZE (icydemux->typefind_buf) < ICY_TYPE_FIND_MAX_SIZE) {
/* Just break for more data */
return GST_FLOW_OK;
}
/* We failed typefind */
GST_ELEMENT_ERROR (icydemux, STREAM, TYPE_NOT_FOUND, (NULL),
("No caps found for contents within an ICY stream"));
gst_buffer_unref (icydemux->typefind_buf);
icydemux->typefind_buf = NULL;
return GST_FLOW_ERROR;
}
}
if (!gst_icydemux_add_srcpad (icydemux, caps)) {
GST_DEBUG_OBJECT (icydemux, "Failed to add srcpad");
gst_caps_unref (caps);
gst_buffer_unref (icydemux->typefind_buf);
icydemux->typefind_buf = NULL;
return GST_FLOW_ERROR;
}
gst_caps_unref (caps);
if (icydemux->cached_events) {
gst_icydemux_send_cached_events (icydemux);
}
if (icydemux->cached_tags) {
gst_icydemux_send_tag_event (icydemux, icydemux->cached_tags);
icydemux->cached_tags = NULL;
}
/* Move onto streaming: call ourselves recursively with the typefind buffer
* to get that forwarded. */
icydemux->typefinding = FALSE;
tf_buf = icydemux->typefind_buf;
icydemux->typefind_buf = NULL;
return gst_icydemux_typefind_or_forward (icydemux, tf_buf);
} else {
if (G_UNLIKELY (icydemux->srcpad == NULL)) {
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
buf = gst_buffer_make_metadata_writable (buf);
gst_buffer_set_caps (buf, icydemux->src_caps);
/* Most things don't care, and it's a pain to track (we should preserve a
* 0 offset on the first buffer though if it's there, for id3demux etc.) */
if (GST_BUFFER_OFFSET (buf) != 0) {
GST_BUFFER_OFFSET (buf) = GST_BUFFER_OFFSET_NONE;
}
return gst_pad_push (icydemux->srcpad, buf);
}
}
static void
gst_icydemux_parse_and_send_tags (GstICYDemux * icydemux)
{
GstTagList *tags = gst_tag_list_new ();
const guint8 *data;
int length, i;
gchar *buffer;
gchar **strings;
gboolean found_tag = FALSE;
length = gst_adapter_available (icydemux->meta_adapter);
data = gst_adapter_peek (icydemux->meta_adapter, length);
/* Now, copy this to a buffer where we can NULL-terminate it to make things
* a bit easier, then do that parsing. */
buffer = g_malloc (length + 1);
memcpy (buffer, data, length);
buffer[length] = 0;
strings = g_strsplit (buffer, "';", 0);
for (i = 0; strings[i]; i++) {
if (!g_ascii_strncasecmp (strings[i], "StreamTitle=", 12)) {
char *title = gst_icydemux_unicodify (strings[i] + 13);
if (title && *title) {
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE,
title, NULL);
g_free (title);
found_tag = TRUE;
}
} else if (!g_ascii_strncasecmp (strings[i], "StreamUrl=", 10)) {
char *url = gst_icydemux_unicodify (strings[i] + 11);
if (url) {
/*
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_URL,
url, NULL);
found_tag = TRUE;
*/
g_free (url);
}
}
}
g_strfreev (strings);
g_free (buffer);
gst_adapter_clear (icydemux->meta_adapter);
if (found_tag) {
if (icydemux->srcpad) {
gst_icydemux_send_tag_event (icydemux, tags);
} else {
if (!icydemux->cached_tags) {
icydemux->cached_tags = gst_tag_list_new ();
}
gst_tag_list_insert (icydemux->cached_tags, tags,
GST_TAG_MERGE_REPLACE_ALL);
}
}
}
