static GstFlowReturn
gst_compare_collect_pads (GstCollectPads2 * cpads, GstCompare * comp)
{
GstBuffer *buf1, *buf2;
buf1 = gst_collect_pads2_pop (comp->cpads,
gst_pad_get_element_private (comp->sinkpad));
buf2 = gst_collect_pads2_pop (comp->cpads,
gst_pad_get_element_private (comp->checkpad));
if (!buf1 && !buf2) {
gst_pad_push_event (comp->srcpad, gst_event_new_eos ());
return GST_FLOW_UNEXPECTED;
} else if (buf1 && buf2) {
gst_compare_buffers (comp, buf1, buf2);
} else {
GST_WARNING_OBJECT (comp, "buffer %p != NULL", buf1 ? buf1 : buf2);
comp->count++;
gst_element_post_message (GST_ELEMENT (comp),
gst_message_new_element (GST_OBJECT (comp),
gst_structure_new ("delta", "count", G_TYPE_INT, comp->count,
NULL)));
}
if (buf1)
gst_pad_push (comp->srcpad, buf1);
if (buf2)
gst_buffer_unref (buf2);
return GST_FLOW_OK;
}
static gboolean
gst_uri_downloader_sink_event (GstPad * pad, GstEvent * event)
{
gboolean ret = FALSE;
GstUriDownloader *downloader;
downloader = GST_URI_DOWNLOADER (gst_pad_get_element_private (pad));
switch (event->type) {
case GST_EVENT_EOS:{
GST_OBJECT_LOCK (downloader);
GST_DEBUG_OBJECT (downloader, "Got EOS on the fetcher pad");
if (downloader->priv->download != NULL) {
/* signal we have fetched the URI */
downloader->priv->download->completed = TRUE;
downloader->priv->download->download_stop_time =
gst_util_get_timestamp ();
GST_OBJECT_UNLOCK (downloader);
GST_DEBUG_OBJECT (downloader, "Signaling chain funtion");
g_cond_signal (downloader->priv->cond);
} else {
GST_OBJECT_UNLOCK (downloader);
}
gst_event_unref (event);
break;
}
default:
ret = gst_pad_event_default (pad, event);
break;
}
return ret;
}
static GstFlowReturn
gst_uri_downloader_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstUriDownloader *downloader;
downloader = GST_URI_DOWNLOADER (gst_pad_get_element_private (pad));
/* HTML errors (404, 500, etc...) are also pushed through this pad as
* response but the source element will also post a warning or error message
* in the bus, which is handled synchronously cancelling the download.
*/
GST_OBJECT_LOCK (downloader);
if (downloader->priv->download == NULL) {
/* Download cancelled, quit */
gst_buffer_unref (buf);
GST_OBJECT_UNLOCK (downloader);
goto done;
}
GST_LOG_OBJECT (downloader, "The uri fetcher received a new buffer "
"of size %" G_GSIZE_FORMAT, gst_buffer_get_size (buf));
downloader->priv->got_buffer = TRUE;
if (!gst_fragment_add_buffer (downloader->priv->download, buf)) {
GST_WARNING_OBJECT (downloader, "Could not add buffer to fragment");
gst_buffer_unref (buf);
}
GST_OBJECT_UNLOCK (downloader);
done:
{
return GST_FLOW_OK;
}
}
static void
mpegpsmux_release_pad (GstElement * element, GstPad * pad)
{
/* unref pad data (and codec data) */
MpegPsMux *mux = GST_MPEG_PSMUX (element);
MpegPsPadData *pad_data = NULL;
GST_DEBUG_OBJECT (mux, "Pad %" GST_PTR_FORMAT " being released", pad);
/* Get the MpegPsPadData out of the pad */
GST_OBJECT_LOCK (pad);
pad_data = (MpegPsPadData *) 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->stream_id == mux->video_stream_id)
mux->video_stream_id = 0;
GST_OBJECT_UNLOCK (pad);
gst_collect_pads_remove_pad (mux->collect, pad);
}
static GstFlowReturn request_buffer(GstPad *pad, guint64 ofs, guint size, GstCaps *caps, GstBuffer **buf) {
GstTfImpl *This = gst_pad_get_element_private(pad);
IMediaSample *sample;
BYTE *ptr;
HRESULT hr;
TRACE("Requesting buffer\n");
hr = BaseOutputPinImpl_GetDeliveryBuffer((BaseOutputPin*)This->tf.ppPins[1], &sample, NULL, NULL, 0);
if (FAILED(hr)) {
ERR("Could not get output buffer: %08x\n", hr);
return GST_FLOW_WRONG_STATE;
}
IMediaSample_SetActualDataLength(sample, size);
IMediaSample_GetPointer(sample, &ptr);
*buf = gst_app_buffer_new(ptr, size, release_sample, sample);
if (!*buf) {
IMediaSample_Release(sample);
ERR("Out of memory\n");
return GST_FLOW_ERROR;
}
if (!caps)
caps = gst_pad_get_caps_reffed(This->my_sink);
gst_buffer_set_caps(*buf, caps);
return GST_FLOW_OK;
}
static gboolean
mq_dummypad_event (GstPad * sinkpad, GstEvent * event)
{
struct PadData *pad_data;
pad_data = gst_pad_get_element_private (sinkpad);
g_static_mutex_lock (&_check_lock);
fail_if (pad_data == NULL);
g_static_mutex_unlock (&_check_lock);
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
g_mutex_lock (pad_data->mutex);
/* Accumulate that we've seen the EOS and signal the main thread */
*(pad_data->eos_count_ptr) += 1;
GST_DEBUG ("EOS on pad %u", pad_data->pad_num);
g_cond_broadcast (pad_data->cond);
g_mutex_unlock (pad_data->mutex);
}
gst_event_unref (event);
return TRUE;
}
static gboolean
gst_rdt_manager_event_rdt (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstRDTManager *rdtmanager;
GstRDTManagerSession *session;
gboolean res;
rdtmanager = GST_RDT_MANAGER (parent);
/* find session */
session = gst_pad_get_element_private (pad);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_rdt_manager_parse_caps (rdtmanager, session, caps);
gst_event_unref (event);
break;
}
default:
res = gst_pad_event_default (pad, parent, event);
break;
}
return res;
}
/**
* gst_ffmpegmux_setcaps
* @pad: #GstPad
* @caps: New caps.
*
* Set caps to pad.
*
* Returns: #TRUE on success.
*/
static gboolean
gst_ffmpegmux_setcaps (GstPad * pad, GstCaps * caps)
{
GstFFMpegMux *ffmpegmux = (GstFFMpegMux *) (gst_pad_get_parent (pad));
GstFFMpegMuxPad *collect_pad;
AVStream *st;
collect_pad = (GstFFMpegMuxPad *) gst_pad_get_element_private (pad);
st = ffmpegmux->context->streams[collect_pad->padnum];
ffmpegmux->context->preload = ffmpegmux->preload;
ffmpegmux->context->max_delay = ffmpegmux->max_delay;
/* for the format-specific guesses, we'll go to
* our famous codec mapper */
if (gst_ffmpeg_caps_to_codecid (caps, st->codec) == CODEC_ID_NONE)
goto not_accepted;
/* copy over the aspect ratios, ffmpeg expects the stream aspect to match the
* codec aspect. */
st->sample_aspect_ratio = st->codec->sample_aspect_ratio;
GST_LOG_OBJECT (pad, "accepted caps %" GST_PTR_FORMAT, caps);
return TRUE;
/* ERRORS */
not_accepted:
{
GST_LOG_OBJECT (pad, "rejecting caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
}
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 gboolean
gst_hls_demux_src_query (GstPad * pad, GstQuery * query)
{
GstHLSDemux *hlsdemux;
gboolean ret = FALSE;
if (query == NULL)
return FALSE;
hlsdemux = GST_HLS_DEMUX (gst_pad_get_element_private (pad));
switch (query->type) {
case GST_QUERY_DURATION:{
GstClockTime duration;
GstFormat fmt;
gst_query_parse_duration (query, &fmt, NULL);
if (fmt == GST_FORMAT_TIME) {
duration = gst_m3u8_client_get_duration (hlsdemux->client);
if (GST_CLOCK_TIME_IS_VALID (duration) && duration > 0) {
gst_query_set_duration (query, GST_FORMAT_TIME, duration);
ret = TRUE;
}
}
break;
}
case GST_QUERY_URI:
if (hlsdemux->client) {
/* FIXME: Do we answer with the variant playlist, with the current
* playlist or the the uri of the least downlowaded fragment? */
gst_query_set_uri (query, hlsdemux->client->current->uri);
ret = TRUE;
}
break;
case GST_QUERY_SEEKING:{
GstFormat fmt;
gint stop = -1;
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
if (fmt == GST_FORMAT_TIME) {
GstClockTime duration;
duration = gst_m3u8_client_get_duration (hlsdemux->client);
if (GST_CLOCK_TIME_IS_VALID (duration) && duration > 0)
stop = duration;
}
gst_query_set_seeking (query, fmt, FALSE, 0, stop);
ret = TRUE;
break;
}
default:
/* Don't fordward queries upstream because of the special nature of this
* "demuxer", which relies on the upstream element only to be fed with the
* first playlist */
break;
}
return ret;
}
GstFlowReturn got_data(GstPad *pad, GstObject *parent, GstBuffer *buf)
{
GstTfImpl *This = gst_pad_get_element_private(pad);
IMediaSample *sample = (IMediaSample *) gst_mini_object_get_qdata(GST_MINI_OBJECT(buf), g_quark_from_static_string(media_quark_string));
REFERENCE_TIME tStart, tStop;
HRESULT hr;
TRACE("%p, %p\n", pad, buf);
if(!sample){
GstMapInfo info;
BYTE *ptr;
gst_buffer_map(buf, &info, GST_MAP_READ);
hr = BaseOutputPinImpl_GetDeliveryBuffer((BaseOutputPin*)This->tf.ppPins[1], &sample, NULL, NULL, 0);
if (FAILED(hr)) {
ERR("Could not get output buffer: %08x\n", hr);
return GST_FLOW_FLUSHING;
}
IMediaSample_SetActualDataLength(sample, info.size);
IMediaSample_GetPointer(sample, &ptr);
memcpy(ptr, info.data, info.size);
gst_buffer_unmap(buf, &info);
}
if (GST_BUFFER_PTS_IS_VALID(buf) &&
GST_BUFFER_DURATION_IS_VALID(buf)) {
tStart = buf->pts / 100;
tStop = tStart + buf->duration / 100;
IMediaSample_SetTime(sample, &tStart, &tStop);
}
else
IMediaSample_SetTime(sample, NULL, NULL);
if (GST_BUFFER_OFFSET_IS_VALID(buf) &&
GST_BUFFER_OFFSET_END_IS_VALID(buf)) {
tStart = buf->offset / 100;
tStop = buf->offset_end / 100;
IMediaSample_SetMediaTime(sample, &tStart, &tStop);
}
else
IMediaSample_SetMediaTime(sample, NULL, NULL);
IMediaSample_SetDiscontinuity(sample, GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLAG_DISCONT));
IMediaSample_SetPreroll(sample, GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLAG_LIVE));
IMediaSample_SetSyncPoint(sample, !GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLAG_DELTA_UNIT));
IMediaSample_SetActualDataLength(sample, gst_buffer_get_size(buf));
hr = BaseOutputPinImpl_Deliver((BaseOutputPin*)This->tf.ppPins[1], sample);
IMediaSample_Release(sample);
gst_buffer_unref(buf);
if (FAILED(hr))
return GST_FLOW_FLUSHING;
return GST_FLOW_OK;
}
static GstFlowReturn
test_sink_pad_chain_cb (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
TestData *data = gst_pad_get_element_private (pad);
g_async_queue_push (data->rtcp_queue, buffer);
GST_DEBUG ("chained");
return GST_FLOW_OK;
}
static gboolean
gst_droidcamsrc_mode_negotiate_pad (GstDroidCamSrcMode * mode, GstPad * pad,
gboolean force)
{
GstDroidCamSrcPad *data = gst_pad_get_element_private (pad);
/* take pad lock */
g_mutex_lock (&data->lock);
if (!force) {
if (!gst_pad_check_reconfigure (data->pad)) {
g_mutex_unlock (&data->lock);
return TRUE;
}
}
/*
* stream start
* we must send it before we send our CAPS event
*/
if (G_UNLIKELY (data->open_stream)) {
gchar *stream_id;
GstEvent *event;
stream_id =
gst_pad_create_stream_id (data->pad, GST_ELEMENT_CAST (mode->src),
GST_PAD_NAME (data->pad));
GST_DEBUG_OBJECT (pad, "Pushing STREAM_START for pad");
event = gst_event_new_stream_start (stream_id);
gst_event_set_group_id (event, gst_util_group_id_next ());
if (!gst_pad_push_event (data->pad, event)) {
GST_ERROR_OBJECT (mode->src,
"failed to push STREAM_START event for pad %s",
GST_PAD_NAME (data->pad));
}
g_free (stream_id);
data->open_stream = FALSE;
}
/* negotiate */
if (!data->negotiate (data)) {
GST_ELEMENT_ERROR (mode->src, STREAM, FORMAT, (NULL),
("failed to negotiate %s.", GST_PAD_NAME (data->pad)));
g_mutex_unlock (&data->lock);
return FALSE;
}
/* toss pad queue */
g_queue_foreach (data->queue, (GFunc) gst_buffer_unref, NULL);
g_queue_clear (data->queue);
/* unlock */
g_mutex_unlock (&data->lock);
return TRUE;
}
static gboolean
gst_rdt_manager_src_activate_mode (GstPad * pad, GstObject * parent,
GstPadMode mode, gboolean active)
{
gboolean result;
GstRDTManager *rdtmanager;
GstRDTManagerSession *session;
session = gst_pad_get_element_private (pad);
rdtmanager = session->dec;
switch (mode) {
case GST_PAD_MODE_PUSH:
if (active) {
/* allow data processing */
JBUF_LOCK (session);
GST_DEBUG_OBJECT (rdtmanager, "Enabling pop on queue");
/* Mark as non flushing */
session->srcresult = GST_FLOW_OK;
gst_segment_init (&session->segment, GST_FORMAT_TIME);
session->last_popped_seqnum = -1;
session->last_out_time = -1;
session->next_seqnum = -1;
session->eos = FALSE;
JBUF_UNLOCK (session);
/* start pushing out buffers */
GST_DEBUG_OBJECT (rdtmanager, "Starting task on srcpad");
result =
gst_pad_start_task (pad, (GstTaskFunction) gst_rdt_manager_loop,
pad, NULL);
} else {
/* make sure all data processing stops ASAP */
JBUF_LOCK (session);
/* mark ourselves as flushing */
session->srcresult = GST_FLOW_FLUSHING;
GST_DEBUG_OBJECT (rdtmanager, "Disabling pop on queue");
/* this unblocks any waiting pops on the src pad task */
JBUF_SIGNAL (session);
/* unlock clock, we just unschedule, the entry will be released by
* the locking streaming thread. */
if (session->clock_id)
gst_clock_id_unschedule (session->clock_id);
JBUF_UNLOCK (session);
/* NOTE this will hardlock if the state change is called from the src pad
* task thread because we will _join() the thread. */
GST_DEBUG_OBJECT (rdtmanager, "Stopping task on srcpad");
result = gst_pad_stop_task (pad);
}
break;
default:
result = FALSE;
break;
}
return result;
}
GstFlowReturn GStreamerReader::AllocateVideoBufferCb(GstPad* aPad,
guint64 aOffset,
guint aSize,
GstCaps* aCaps,
GstBuffer** aBuf)
{
GStreamerReader* reader = reinterpret_cast<GStreamerReader*>(gst_pad_get_element_private(aPad));
return reader->AllocateVideoBuffer(aPad, aOffset, aSize, aCaps, aBuf);
}
/* must be called with the STREAM_SYNCHRONIZER_LOCK */
static gboolean
gst_stream_synchronizer_wait (GstStreamSynchronizer * self, GstPad * pad)
{
gboolean ret = FALSE;
GstSyncStream *stream;
while (!self->eos && !self->flushing) {
stream = gst_pad_get_element_private (pad);
if (!stream) {
GST_WARNING_OBJECT (pad, "unknown stream");
return ret;
}
if (stream->flushing) {
GST_DEBUG_OBJECT (pad, "Flushing");
break;
}
if (!stream->wait) {
GST_DEBUG_OBJECT (pad, "Stream not waiting anymore");
break;
}
if (self->send_gap_event) {
GstEvent *event;
if (!GST_CLOCK_TIME_IS_VALID (stream->segment.position)) {
GST_WARNING_OBJECT (pad, "Have no position and can't send GAP event");
self->send_gap_event = FALSE;
continue;
}
event =
gst_event_new_gap (stream->segment.position, stream->gap_duration);
GST_DEBUG_OBJECT (pad,
"Send GAP event, position: %" GST_TIME_FORMAT " duration: %"
GST_TIME_FORMAT, GST_TIME_ARGS (stream->segment.position),
GST_TIME_ARGS (stream->gap_duration));
/* drop lock when sending GAP event, which may block in e.g. preroll */
GST_STREAM_SYNCHRONIZER_UNLOCK (self);
ret = gst_pad_push_event (pad, event);
GST_STREAM_SYNCHRONIZER_LOCK (self);
if (!ret) {
return ret;
}
self->send_gap_event = FALSE;
/* force a check on the loop conditions as we unlocked a
* few lines above and those variables could have changed */
continue;
}
g_cond_wait (&stream->stream_finish_cond, &self->lock);
}
return TRUE;
}
static gboolean
sink_event (GstPad * pad, GstEvent * event)
{
TestData *data = (TestData *) gst_pad_get_element_private (pad);
if (event->type == GST_EVENT_CUSTOM_DOWNSTREAM)
data->sink_event = event;
return TRUE;
}
static gboolean
src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
TestData *data = (TestData *) gst_pad_get_element_private (pad);
if (event->type == GST_EVENT_CUSTOM_UPSTREAM)
data->src_events += 1;
gst_event_unref (event);
return TRUE;
}
static gboolean
gst_rtp_mux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstRTPMux *mux = GST_RTP_MUX (parent);
gboolean is_pad;
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
GST_LOG_OBJECT (pad, "Received caps-event with caps: %"
GST_PTR_FORMAT, caps);
ret = gst_rtp_mux_setcaps (pad, mux, caps);
gst_event_unref (event);
return ret;
}
case GST_EVENT_FLUSH_STOP:
{
GST_OBJECT_LOCK (mux);
mux->last_stop = GST_CLOCK_TIME_NONE;
GST_OBJECT_UNLOCK (mux);
break;
}
case GST_EVENT_SEGMENT:
{
GstRTPMuxPadPrivate *padpriv;
GST_OBJECT_LOCK (mux);
padpriv = gst_pad_get_element_private (pad);
if (padpriv) {
gst_event_copy_segment (event, &padpriv->segment);
}
GST_OBJECT_UNLOCK (mux);
break;
}
default:
break;
}
GST_OBJECT_LOCK (mux);
is_pad = (pad == mux->last_pad);
GST_OBJECT_UNLOCK (mux);
if (is_pad) {
return gst_pad_push_event (mux->srcpad, event);
} else {
gst_event_unref (event);
return TRUE;
}
}
static void
reset_pad (gpointer data, gpointer user_data)
{
GstPad *pad = data;
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GST_OBJECT_LOCK (pad);
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
GST_OBJECT_UNLOCK (pad);
gst_object_unref (pad);
}
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 gboolean
fs_funnel_event (GstPad * pad, GstEvent * event)
{
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
gboolean forward = TRUE;
gboolean res = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate, arate;
GstFormat format;
gint64 start;
gint64 stop;
gint64 time;
gst_event_parse_new_segment_full (event, &update, &rate, &arate,
&format, &start, &stop, &time);
GST_OBJECT_LOCK (funnel);
gst_segment_set_newsegment_full (&priv->segment, update, rate, arate,
format, start, stop, time);
GST_OBJECT_UNLOCK (funnel);
forward = FALSE;
gst_event_unref (event);
}
break;
case GST_EVENT_FLUSH_STOP:
{
GST_OBJECT_LOCK (funnel);
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
GST_OBJECT_UNLOCK (funnel);
}
break;
default:
break;
}
if (forward)
res = gst_pad_push_event (funnel->srcpad, event);
gst_object_unref (funnel);
return res;
}
static GstFlowReturn
mq_dummypad_chain (GstPad * sinkpad, GstObject * parent, GstBuffer * buf)
{
guint32 cur_id;
struct PadData *pad_data;
GstMapInfo info;
pad_data = gst_pad_get_element_private (sinkpad);
g_mutex_lock (&_check_lock);
fail_if (pad_data == NULL);
/* Read an ID from the first 4 bytes of the buffer data and check it's
* what we expect */
fail_unless (gst_buffer_map (buf, &info, GST_MAP_READ));
fail_unless (info.size >= 4);
g_mutex_unlock (&_check_lock);
cur_id = GST_READ_UINT32_BE (info.data);
gst_buffer_unmap (buf, &info);
g_mutex_lock (pad_data->mutex);
/* For not-linked pads, ensure that we're not running ahead of the 'linked'
* pads. The first buffer is allowed to get ahead, because otherwise things can't
* always pre-roll correctly */
if (!pad_data->is_linked) {
/* If there are no linked pads, we can't track a max_id for them :) */
if (pad_data->n_linked > 0 && !pad_data->first_buf) {
g_mutex_lock (&_check_lock);
fail_unless (cur_id <= *(pad_data->max_linked_id_ptr) + 1,
"Got buffer %u on pad %u before buffer %u was seen on a "
"linked pad (max: %u)", cur_id, pad_data->pad_num, cur_id - 1,
*(pad_data->max_linked_id_ptr));
g_mutex_unlock (&_check_lock);
}
} else {
/* Update the max_id value */
if (cur_id > *(pad_data->max_linked_id_ptr))
*(pad_data->max_linked_id_ptr) = cur_id;
}
pad_data->first_buf = FALSE;
g_mutex_unlock (pad_data->mutex);
/* Unref the buffer */
gst_buffer_unref (buf);
/* Return OK or not-linked as indicated */
return pad_data->is_linked ? GST_FLOW_OK : GST_FLOW_NOT_LINKED;
}
static gboolean
gst_rdt_manager_setcaps (GstPad * pad, GstCaps * caps)
{
GstRDTManager *rdtmanager;
GstRDTManagerSession *session;
gboolean res;
rdtmanager = GST_RDT_MANAGER (GST_PAD_PARENT (pad));
/* find session */
session = gst_pad_get_element_private (pad);
res = gst_rdt_manager_parse_caps (rdtmanager, session, caps);
return res;
}
static gboolean
src_event (GstPad * pad, GstEvent * event)
{
TestData *data = (TestData *) gst_pad_get_element_private (pad);
if (event->type == GST_EVENT_CUSTOM_UPSTREAM) {
data->src_events += 1;
if (data->src_event1 != NULL)
data->src_event2 = event;
else
data->src_event1 = event;
}
return TRUE;
}
static void
mpegts_parse_pad_removed (GstElement * element, GstPad * pad)
{
MpegTSParsePad *tspad;
MpegTSParse2 *parse = GST_MPEGTS_PARSE (element);
if (gst_pad_get_direction (pad) == GST_PAD_SINK)
return;
tspad = (MpegTSParsePad *) gst_pad_get_element_private (pad);
mpegts_parse_destroy_tspad (parse, tspad);
if (GST_ELEMENT_CLASS (parent_class)->pad_removed)
GST_ELEMENT_CLASS (parent_class)->pad_removed (element, pad);
}
static void
reset_pad_private (GstPad * pad)
{
GstLiveAdderPadPrivate *padprivate;
padprivate = gst_pad_get_element_private (pad);
if (!padprivate)
return;
gst_segment_init (&padprivate->segment, GST_FORMAT_UNDEFINED);
padprivate->expected_timestamp = GST_CLOCK_TIME_NONE;
padprivate->eos = FALSE;
}
static void
gst_stream_synchronizer_release_pad (GstElement * element, GstPad * pad)
{
GstStreamSynchronizer *self = GST_STREAM_SYNCHRONIZER (element);
GstStream *stream;
GST_STREAM_SYNCHRONIZER_LOCK (self);
stream = gst_pad_get_element_private (pad);
if (stream) {
g_assert (stream->sinkpad == pad);
gst_stream_synchronizer_release_stream (self, stream);
}
GST_STREAM_SYNCHRONIZER_UNLOCK (self);
}
static void
fs_funnel_release_pad (GstElement * element, GstPad * pad)
{
FsFunnel *funnel = FS_FUNNEL (element);
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GST_DEBUG_OBJECT (funnel, "releasing pad");
gst_pad_set_active (pad, FALSE);
if (priv)
g_slice_free1 (sizeof(FsFunnelPadPrivate), priv);
gst_element_remove_pad (GST_ELEMENT_CAST (funnel), pad);
}
static gboolean
gst_srtp_dec_sink_setcaps (GstPad * pad, GstObject * parent,
GstCaps * caps, gboolean is_rtcp)
{
GstSrtpDec *filter = GST_SRTP_DEC (parent);
GstPad *otherpad;
GstStructure *ps;
gboolean ret = FALSE;
g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);
ps = gst_caps_get_structure (caps, 0);
if (gst_structure_has_field_typed (ps, "ssrc", G_TYPE_UINT) &&
gst_structure_has_field_typed (ps, "roc", G_TYPE_UINT) &&
gst_structure_has_field_typed (ps, "srtp-cipher", G_TYPE_STRING) &&
gst_structure_has_field_typed (ps, "srtp-auth", G_TYPE_STRING) &&
gst_structure_has_field_typed (ps, "srtcp-cipher", G_TYPE_STRING) &&
gst_structure_has_field_typed (ps, "srtcp-auth", G_TYPE_STRING)) {
guint ssrc;
gst_structure_get_uint (ps, "ssrc", &ssrc);
if (!update_session_stream_from_caps (filter, ssrc, caps)) {
GST_WARNING_OBJECT (pad, "Could not create session from pad caps: %"
GST_PTR_FORMAT, caps);
return FALSE;
}
}
caps = gst_caps_copy (caps);
ps = gst_caps_get_structure (caps, 0);
gst_structure_remove_fields (ps, "srtp-key", "srtp-cipher", "srtp-auth",
"srtcp-cipher", "srtcp-auth", NULL);
if (is_rtcp)
gst_structure_set_name (ps, "application/x-rtcp");
else
gst_structure_set_name (ps, "application/x-rtp");
otherpad = gst_pad_get_element_private (pad);
ret = gst_pad_set_caps (otherpad, caps);
gst_caps_unref (caps);
return ret;
}
