static void
gst_fragment_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec)
{
GstFragment *fragment = GST_FRAGMENT (object);
switch (property_id) {
case PROP_INDEX:
g_value_set_uint (value, fragment->index);
break;
case PROP_NAME:
g_value_set_string (value, fragment->name);
break;
case PROP_DURATION:
g_value_set_uint64 (value, fragment->stop_time - fragment->start_time);
break;
case PROP_DISCONTINOUS:
g_value_set_boolean (value, fragment->discontinuous);
break;
case PROP_BUFFER:
g_value_take_boxed (value, gst_fragment_get_buffer (fragment));
break;
case PROP_CAPS:
g_value_take_boxed (value, gst_fragment_get_caps (fragment));
break;
default:
/* We don't have any other property... */
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gst_hls_demux_stream_loop (GstHLSDemux * demux)
{
GstFragment *fragment;
GstBuffer *buf;
GstFlowReturn ret;
GstCaps *bufcaps, *srccaps = NULL;
/* Loop for the source pad task. The task is started when we have
* received the main playlist from the source element. It tries first to
* cache the first fragments and then it waits until it has more data in the
* queue. This task is woken up when we push a new fragment to the queue or
* when we reached the end of the playlist */
if (G_UNLIKELY (demux->need_cache)) {
if (!gst_hls_demux_cache_fragments (demux))
goto cache_error;
/* we can start now the updates thread (only if on playing) */
if (GST_STATE (demux) == GST_STATE_PLAYING)
gst_task_start (demux->updates_task);
GST_INFO_OBJECT (demux, "First fragments cached successfully");
}
if (g_queue_is_empty (demux->queue)) {
if (demux->end_of_playlist)
goto end_of_playlist;
goto pause_task;
}
fragment = g_queue_pop_head (demux->queue);
buf = gst_fragment_get_buffer (fragment);
/* Figure out if we need to create/switch pads */
if (G_LIKELY (demux->srcpad))
srccaps = gst_pad_get_current_caps (demux->srcpad);
bufcaps = gst_fragment_get_caps (fragment);
if (G_UNLIKELY (!srccaps || !gst_caps_is_equal_fixed (bufcaps, srccaps)
|| demux->need_segment)) {
switch_pads (demux, bufcaps);
demux->need_segment = TRUE;
}
gst_caps_unref (bufcaps);
if (G_LIKELY (srccaps))
gst_caps_unref (srccaps);
g_object_unref (fragment);
if (demux->need_segment) {
GstSegment segment;
GstClockTime start = GST_BUFFER_PTS (buf);
start += demux->position_shift;
/* And send a newsegment */
GST_DEBUG_OBJECT (demux, "Sending new-segment. segment start:%"
GST_TIME_FORMAT, GST_TIME_ARGS (start));
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.start = start;
segment.time = start;
gst_pad_push_event (demux->srcpad, gst_event_new_segment (&segment));
demux->need_segment = FALSE;
demux->position_shift = 0;
}
ret = gst_pad_push (demux->srcpad, buf);
if (ret != GST_FLOW_OK)
goto error_pushing;
return;
end_of_playlist:
{
GST_DEBUG_OBJECT (demux, "Reached end of playlist, sending EOS");
gst_pad_push_event (demux->srcpad, gst_event_new_eos ());
gst_hls_demux_stop (demux);
return;
}
cache_error:
{
gst_task_pause (demux->stream_task);
if (!demux->cancelled) {
GST_ELEMENT_ERROR (demux, RESOURCE, NOT_FOUND,
("Could not cache the first fragments"), (NULL));
gst_hls_demux_stop (demux);
}
return;
}
error_pushing:
{
/* FIXME: handle error */
GST_DEBUG_OBJECT (demux, "Error pushing buffer: %s... stopping task",
gst_flow_get_name (ret));
gst_hls_demux_stop (demux);
return;
}
pause_task:
{
gst_task_pause (demux->stream_task);
return;
}
}
static gboolean
gst_hls_demux_get_next_fragment (GstHLSDemux * demux, gboolean caching)
{
GstFragment *download;
const gchar *next_fragment_uri;
GstClockTime duration;
GstClockTime timestamp;
GstBuffer *buf;
gboolean discont;
if (!gst_m3u8_client_get_next_fragment (demux->client, &discont,
&next_fragment_uri, &duration, ×tamp)) {
GST_INFO_OBJECT (demux, "This playlist doesn't contain more fragments");
demux->end_of_playlist = TRUE;
gst_task_start (demux->stream_task);
return FALSE;
}
GST_INFO_OBJECT (demux, "Fetching next fragment %s", next_fragment_uri);
download = gst_uri_downloader_fetch_uri (demux->downloader,
next_fragment_uri);
if (download == NULL)
goto error;
buf = gst_fragment_get_buffer (download);
GST_BUFFER_DURATION (buf) = duration;
GST_BUFFER_PTS (buf) = timestamp;
/* We actually need to do this every time we switch bitrate */
if (G_UNLIKELY (demux->do_typefind)) {
GstCaps *caps = gst_fragment_get_caps (download);
if (!demux->input_caps || !gst_caps_is_equal (caps, demux->input_caps)) {
gst_caps_replace (&demux->input_caps, caps);
/* gst_pad_set_caps (demux->srcpad, demux->input_caps); */
GST_INFO_OBJECT (demux, "Input source caps: %" GST_PTR_FORMAT,
demux->input_caps);
demux->do_typefind = FALSE;
}
gst_caps_unref (caps);
} else {
gst_fragment_set_caps (download, demux->input_caps);
}
if (discont) {
GST_DEBUG_OBJECT (demux, "Marking fragment as discontinuous");
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
}
g_queue_push_tail (demux->queue, download);
if (!caching) {
GST_TASK_SIGNAL (demux->updates_task);
gst_task_start (demux->stream_task);
}
return TRUE;
error:
{
gst_hls_demux_stop (demux);
return FALSE;
}
}
