static gboolean
gst_hls_demux_fetch_location (GstHLSDemux * demux, const gchar * uri)
{
GstStateChangeReturn ret;
gboolean bret = FALSE;
g_mutex_lock (demux->fetcher_lock);
while (demux->fetcher)
g_cond_wait (demux->fetcher_cond, demux->fetcher_lock);
if (demux->cancelled)
goto quit;
if (!gst_hls_demux_make_fetcher (demux, uri)) {
goto uri_error;
}
ret = gst_element_set_state (demux->fetcher, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE)
goto state_change_error;
/* wait until we have fetched the uri */
GST_DEBUG_OBJECT (demux, "Waiting to fetch the URI");
g_cond_wait (demux->fetcher_cond, demux->fetcher_lock);
gst_hls_demux_stop_fetcher (demux, FALSE);
if (gst_adapter_available (demux->download)) {
GST_INFO_OBJECT (demux, "URI fetched successfully");
bret = TRUE;
}
goto quit;
uri_error:
{
GST_ELEMENT_ERROR (demux, RESOURCE, OPEN_READ,
("Could not create an element to fetch the given URI."), ("URI: \"%s\"",
uri));
bret = FALSE;
goto quit;
}
state_change_error:
{
GST_ELEMENT_ERROR (demux, CORE, STATE_CHANGE,
("Error changing state of the fetcher element."), (NULL));
bret = FALSE;
goto quit;
}
quit:
{
g_mutex_unlock (demux->fetcher_lock);
/* Unlock any other fetcher that might be waiting */
g_cond_broadcast (demux->fetcher_cond);
return bret;
}
}
static void
gst_hls_demux_stop (GstHLSDemux * demux)
{
gst_hls_demux_stop_fetcher (demux, TRUE);
if (GST_TASK_STATE (demux->task) != GST_TASK_STOPPED)
gst_task_stop (demux->task);
g_cond_signal (demux->thread_cond);
}
static gboolean
gst_hls_demux_src_event (GstPad * pad, GstEvent * event)
{
GstHLSDemux *demux;
demux = GST_HLS_DEMUX (gst_pad_get_element_private (pad));
switch (event->type) {
case GST_EVENT_SEEK:
{
gdouble rate;
GstFormat format;
GstSeekFlags flags;
GstSeekType start_type, stop_type;
gint64 start, stop;
GList *walk;
gint current_pos;
gint current_sequence;
gint target_second;
GstM3U8MediaFile *file;
GST_INFO_OBJECT (demux, "Received GST_EVENT_SEEK");
if (gst_m3u8_client_is_live (demux->client)) {
GST_WARNING_OBJECT (demux, "Received seek event for live stream");
return FALSE;
}
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop);
if (format != GST_FORMAT_TIME)
return FALSE;
GST_DEBUG_OBJECT (demux, "seek event, rate: %f start: %" GST_TIME_FORMAT
" stop: %" GST_TIME_FORMAT, rate, GST_TIME_ARGS (start),
GST_TIME_ARGS (stop));
file = GST_M3U8_MEDIA_FILE (demux->client->current->files->data);
current_sequence = file->sequence;
current_pos = 0;
target_second = start / GST_SECOND;
GST_DEBUG_OBJECT (demux, "Target seek to %d", target_second);
for (walk = demux->client->current->files; walk; walk = walk->next) {
file = walk->data;
current_sequence = file->sequence;
if (current_pos <= target_second
&& target_second < current_pos + file->duration) {
break;
}
current_pos += file->duration;
}
if (walk == NULL) {
GST_WARNING_OBJECT (demux, "Could not find seeked fragment");
return FALSE;
}
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "sending flush start");
gst_pad_push_event (demux->srcpad, gst_event_new_flush_start ());
}
demux->cancelled = TRUE;
gst_task_pause (demux->task);
g_mutex_lock (demux->fetcher_lock);
gst_hls_demux_stop_fetcher (demux, TRUE);
g_mutex_unlock (demux->fetcher_lock);
g_mutex_lock (demux->thread_lock);
g_cond_signal (demux->thread_cond);
g_mutex_unlock (demux->thread_lock);
gst_task_pause (demux->task);
/* wait for streaming to finish */
g_static_rec_mutex_lock (&demux->task_lock);
demux->need_cache = TRUE;
while (!g_queue_is_empty (demux->queue)) {
GstBuffer *buf = g_queue_pop_head (demux->queue);
gst_buffer_unref (buf);
}
GST_DEBUG_OBJECT (demux, "seeking to sequence %d", current_sequence);
demux->client->sequence = current_sequence;
demux->position = start;
demux->need_segment = TRUE;
if (flags & GST_SEEK_FLAG_FLUSH) {
GST_DEBUG_OBJECT (demux, "sending flush stop");
gst_pad_push_event (demux->srcpad, gst_event_new_flush_stop ());
}
demux->cancelled = FALSE;
gst_task_start (demux->task);
g_static_rec_mutex_unlock (&demux->task_lock);
return TRUE;
}
default:
break;
}
return gst_pad_event_default (pad, event);
}