static void
mpegtsmux_release_pad (GstElement * element, GstPad * pad)
{
MpegTsMux *mux = GST_MPEG_TSMUX (element);
MpegTsPadData *pad_data = NULL;
GST_DEBUG_OBJECT (mux, "Pad %" GST_PTR_FORMAT " being released", pad);
/* Get the MpegTsPadData out of the pad */
GST_OBJECT_LOCK (pad);
pad_data = (MpegTsPadData *) gst_pad_get_element_private (pad);
if (G_LIKELY (pad_data)) {
/* Free codec data reference if any */
if (pad_data->codec_data) {
GST_DEBUG_OBJECT (element, "releasing codec_data reference");
gst_buffer_unref (pad_data->codec_data);
pad_data->codec_data = NULL;
}
if (pad_data->prepare_data && pad_data->free_func) {
pad_data->free_func (pad_data->prepare_data);
pad_data->prepare_data = pad_data->free_func = NULL;
}
}
GST_OBJECT_UNLOCK (pad);
gst_collect_pads_remove_pad (mux->collect, pad);
}
static GstStateChangeReturn
mpegtsmux_change_state (GstElement * element, GstStateChange transition)
{
MpegTsMux *mux = GST_MPEG_TSMUX (element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_collect_pads_start (mux->collect);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_collect_pads_stop (mux->collect);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
if (mux->adapter)
gst_adapter_clear (mux->adapter);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
default:
break;
}
return ret;
}
static GstPad *
mpegtsmux_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name)
{
MpegTsMux *mux = GST_MPEG_TSMUX (element);
gint pid = -1;
gchar *pad_name = NULL;
GstPad *pad = NULL;
MpegTsPadData *pad_data = NULL;
if (name != NULL && sscanf (name, "sink_%d", &pid) == 1) {
if (tsmux_find_stream (mux->tsmux, pid))
goto stream_exists;
} else {
pid = tsmux_get_new_pid (mux->tsmux);
}
pad_name = g_strdup_printf ("sink_%d", pid);
pad = gst_pad_new_from_template (templ, pad_name);
g_free (pad_name);
pad_data = (MpegTsPadData *) gst_collect_pads2_add_pad (mux->collect, pad,
sizeof (MpegTsPadData));
if (pad_data == NULL)
goto pad_failure;
pad_data->eventfunc = pad->eventfunc;
gst_pad_set_event_function (pad, mpegtsmux_sink_event);
pad_data->pid = pid;
pad_data->last_ts = GST_CLOCK_TIME_NONE;
pad_data->codec_data = NULL;
pad_data->prepare_data = NULL;
pad_data->prepare_func = NULL;
pad_data->free_func = NULL;
pad_data->prog_id = -1;
pad_data->prog = NULL;
if (G_UNLIKELY (!gst_element_add_pad (element, pad)))
goto could_not_add;
return pad;
stream_exists:
GST_ELEMENT_ERROR (element, STREAM, MUX, ("Duplicate PID requested"), (NULL));
return NULL;
could_not_add:
GST_ELEMENT_ERROR (element, STREAM, FAILED,
("Internal data stream error."), ("Could not add pad to element"));
gst_collect_pads2_remove_pad (mux->collect, pad);
gst_object_unref (pad);
return NULL;
pad_failure:
GST_ELEMENT_ERROR (element, STREAM, FAILED,
("Internal data stream error."), ("Could not add pad to collectpads"));
gst_object_unref (pad);
return NULL;
}
static gboolean
mpegtsmux_sink_event (GstPad * pad, GstEvent * event)
{
MpegTsMux *mux = GST_MPEG_TSMUX (gst_pad_get_parent (pad));
MpegTsPadData *ts_data;
gboolean res = TRUE;
gboolean forward = TRUE;
ts_data = (MpegTsPadData *) gst_pad_get_element_private (pad);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_DOWNSTREAM:
{
GstClockTime timestamp, stream_time, running_time;
gboolean all_headers;
guint count;
if (!gst_video_event_is_force_key_unit (event))
goto out;
forward = FALSE;
gst_video_event_parse_downstream_force_key_unit (event,
×tamp, &stream_time, &running_time, &all_headers, &count);
GST_INFO_OBJECT (mux, "have downstream force-key-unit event on pad %s, "
"seqnum %d, running-time %" GST_TIME_FORMAT " count %d",
gst_pad_get_name (pad), gst_event_get_seqnum (event),
GST_TIME_ARGS (running_time), count);
if (mux->force_key_unit_event != NULL) {
GST_INFO_OBJECT (mux, "skipping downstream force key unit event "
"as an upstream force key unit is already queued");
goto out;
}
if (!all_headers)
goto out;
mux->pending_key_unit_ts = running_time;
gst_event_replace (&mux->force_key_unit_event, event);
break;
}
default:
break;
}
out:
if (forward)
res = ts_data->eventfunc (pad, event);
gst_object_unref (mux);
return res;
}
static void
mpegtsmux_release_pad (GstElement * element, GstPad * pad)
{
MpegTsMux *mux = GST_MPEG_TSMUX (element);
GST_DEBUG_OBJECT (mux, "Pad %" GST_PTR_FORMAT " being released", pad);
if (mux->collect) {
gst_collect_pads2_remove_pad (mux->collect, pad);
}
/* chain up */
gst_element_remove_pad (element, pad);
}
static void
gst_mpegtsmux_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
MpegTsMux *mux = GST_MPEG_TSMUX (object);
switch (prop_id) {
case ARG_M2TS_MODE:
g_value_set_boolean (value, mux->m2ts_mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mpegtsmux_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
MpegTsMux *mux = GST_MPEG_TSMUX (object);
switch (prop_id) {
case ARG_M2TS_MODE:
/*set incase if the output stream need to be of 192 bytes */
mux->m2ts_mode = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mpegtsmux_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
MpegTsMux *mux = GST_MPEG_TSMUX (object);
GSList *walk;
switch (prop_id) {
case ARG_M2TS_MODE:
/*set incase if the output stream need to be of 192 bytes */
mux->m2ts_mode = g_value_get_boolean (value);
break;
case ARG_PROG_MAP:
{
const GstStructure *s = gst_value_get_structure (value);
if (mux->prog_map) {
gst_structure_free (mux->prog_map);
}
if (s)
mux->prog_map = gst_structure_copy (s);
else
mux->prog_map = NULL;
break;
}
case ARG_PAT_INTERVAL:
mux->pat_interval = g_value_get_uint (value);
if (mux->tsmux)
tsmux_set_pat_interval (mux->tsmux, mux->pat_interval);
break;
case ARG_PMT_INTERVAL:
walk = mux->collect->data;
mux->pmt_interval = g_value_get_uint (value);
while (walk) {
MpegTsPadData *ts_data = (MpegTsPadData *) walk->data;
tsmux_set_pmt_interval (ts_data->prog, mux->pmt_interval);
walk = g_slist_next (walk);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
mpegtsmux_dispose (GObject * object)
{
MpegTsMux *mux = GST_MPEG_TSMUX (object);
if (mux->adapter) {
gst_adapter_clear (mux->adapter);
g_object_unref (mux->adapter);
mux->adapter = NULL;
}
if (mux->collect) {
gst_object_unref (mux->collect);
mux->collect = NULL;
}
if (mux->tsmux) {
tsmux_free (mux->tsmux);
mux->tsmux = NULL;
}
if (mux->prog_map) {
gst_structure_free (mux->prog_map);
mux->prog_map = NULL;
}
if (mux->programs) {
g_free (mux->programs);
mux->programs = NULL;
}
if (mux->streamheader) {
GstBuffer *buf;
GList *sh;
sh = mux->streamheader;
while (sh) {
buf = sh->data;
gst_buffer_unref (buf);
sh = g_list_next (sh);
}
g_list_free (mux->streamheader);
mux->streamheader = NULL;
}
GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
}
static void
mpegtsmux_dispose (GObject * object)
{
MpegTsMux *mux = GST_MPEG_TSMUX (object);
if (mux->adapter) {
gst_adapter_clear (mux->adapter);
gst_object_unref (mux->adapter);
mux->adapter = NULL;
}
if (mux->collect) {
gst_object_unref (mux->collect);
mux->collect = NULL;
}
if (mux->tsmux) {
tsmux_free (mux->tsmux);
mux->tsmux = NULL;
}
GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
}
static void
gst_mpegtsmux_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
MpegTsMux *mux = GST_MPEG_TSMUX (object);
switch (prop_id) {
case ARG_M2TS_MODE:
g_value_set_boolean (value, mux->m2ts_mode);
break;
case ARG_PROG_MAP:
gst_value_set_structure (value, mux->prog_map);
break;
case ARG_PAT_INTERVAL:
g_value_set_uint (value, mux->pat_interval);
break;
case ARG_PMT_INTERVAL:
g_value_set_uint (value, mux->pmt_interval);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
mpegtsmux_src_event (GstPad * pad, GstEvent * event)
{
MpegTsMux *mux = GST_MPEG_TSMUX (gst_pad_get_parent (pad));
gboolean res = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_UPSTREAM:
{
GstIterator *iter;
GstIteratorResult iter_ret;
GstPad *sinkpad;
GstClockTime running_time;
gboolean all_headers, done;
guint count;
if (!gst_video_event_is_force_key_unit (event))
break;
gst_video_event_parse_upstream_force_key_unit (event,
&running_time, &all_headers, &count);
GST_INFO_OBJECT (mux, "received upstream force-key-unit event, "
"seqnum %d running_time %" GST_TIME_FORMAT " all_headers %d count %d",
gst_event_get_seqnum (event), GST_TIME_ARGS (running_time),
all_headers, count);
if (!all_headers)
break;
mux->pending_key_unit_ts = running_time;
gst_event_replace (&mux->force_key_unit_event, event);
iter = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (mux));
done = FALSE;
while (!done) {
gboolean res = FALSE, tmp;
iter_ret = gst_iterator_next (iter, (gpointer *) & sinkpad);
switch (iter_ret) {
case GST_ITERATOR_DONE:
done = TRUE;
break;
case GST_ITERATOR_OK:
GST_INFO_OBJECT (mux, "forwarding to %s",
gst_pad_get_name (sinkpad));
tmp = gst_pad_push_event (sinkpad, gst_event_ref (event));
GST_INFO_OBJECT (mux, "result %d", tmp);
/* succeed if at least one pad succeeds */
res |= tmp;
gst_object_unref (sinkpad);
break;
case GST_ITERATOR_ERROR:
done = TRUE;
break;
case GST_ITERATOR_RESYNC:
break;
}
}
gst_event_unref (event);
break;
}
default:
res = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (mux);
return res;
}
