static GstFlowReturn
gst_dtls_enc_push (GstDtlsEnc * self, GstBuffer * buffer)
{
GstDtlsBase *base = GST_DTLS_BASE (self);
GstEvent *segment_event, *caps_event;
gchar *stream_id;
stream_id = gst_pad_get_stream_id (base->srcpad);
if (stream_id == NULL) {
stream_id = gst_pad_get_stream_id (base->sinkpad);
if (stream_id == NULL) {
stream_id = gst_pad_create_stream_id (base->srcpad,
GST_ELEMENT (base), NULL);
}
gst_pad_push_event (base->srcpad, gst_event_new_stream_start (stream_id));
}
g_free (stream_id);
caps_event = gst_pad_get_sticky_event (base->srcpad, GST_EVENT_CAPS, 0);
if (caps_event == NULL) {
GstCaps *caps = gst_caps_from_string ("application/x-dtls");
caps_event = gst_event_new_caps (caps);
gst_caps_unref (caps);
gst_pad_push_event (base->srcpad, caps_event);
} else {
gst_event_unref (caps_event);
}
segment_event = gst_pad_get_sticky_event (base->srcpad, GST_EVENT_SEGMENT, 0);
if (segment_event == NULL) {
GstSegment *segment = gst_segment_new ();
gst_segment_init (segment, GST_FORMAT_BYTES);
segment_event = gst_event_new_segment (segment);
gst_segment_free (segment);
gst_pad_push_event (base->srcpad, segment_event);
} else {
gst_event_unref (segment_event);
}
GST_OBJECT_LOCK (self);
if (self->src_buffer && self->running_thread == g_thread_self ()) {
g_assert (gst_buffer_get_size (buffer) != 181);
gst_buffer_copy_into (buffer, self->src_buffer, GST_BUFFER_COPY_METADATA, 0,
-1);
}
GST_OBJECT_UNLOCK (self);
return gst_pad_push (base->srcpad, buffer);
}
/* convert the PacketLost event from a jitterbuffer to a GAP event.
* subclasses can override this. */
static gboolean
gst_rtp_base_depayload_packet_lost (GstRTPBaseDepayload * filter,
GstEvent * event)
{
GstClockTime timestamp, duration;
GstEvent *sevent;
const GstStructure *s;
s = gst_event_get_structure (event);
/* first start by parsing the timestamp and duration */
timestamp = -1;
duration = -1;
if (!gst_structure_get_clock_time (s, "timestamp", ×tamp) ||
!gst_structure_get_clock_time (s, "duration", &duration)) {
GST_ERROR_OBJECT (filter,
"Packet loss event without timestamp or duration");
return FALSE;
}
sevent = gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_SEGMENT, 0);
if (G_UNLIKELY (!sevent)) {
/* Typically happens if lost event arrives before first buffer */
GST_DEBUG_OBJECT (filter, "Ignore packet loss because segment event missing");
return FALSE;
}
gst_event_unref (sevent);
/* send GAP event */
sevent = gst_event_new_gap (timestamp, duration);
return gst_pad_push_event (filter->srcpad, sevent);
}
static gboolean
prepare_src_pad (MpegTSBase * base, MpegTSParse2 * parse)
{
GstEvent *event;
gchar *stream_id;
GstCaps *caps;
if (!parse->first)
return TRUE;
/* If there's no packet_size yet, we can't set caps yet */
if (G_UNLIKELY (base->packetizer->packet_size == 0))
return FALSE;
stream_id =
gst_pad_create_stream_id (parse->srcpad, GST_ELEMENT_CAST (base),
"multi-program");
event =
gst_pad_get_sticky_event (parse->parent.sinkpad, GST_EVENT_STREAM_START,
0);
if (event) {
if (gst_event_parse_group_id (event, &parse->group_id))
parse->have_group_id = TRUE;
else
parse->have_group_id = FALSE;
gst_event_unref (event);
} else if (!parse->have_group_id) {
parse->have_group_id = TRUE;
parse->group_id = gst_util_group_id_next ();
}
event = gst_event_new_stream_start (stream_id);
if (parse->have_group_id)
gst_event_set_group_id (event, parse->group_id);
gst_pad_push_event (parse->srcpad, event);
g_free (stream_id);
caps = gst_caps_new_simple ("video/mpegts",
"systemstream", G_TYPE_BOOLEAN, TRUE,
"packetsize", G_TYPE_INT, base->packetizer->packet_size, NULL);
gst_pad_set_caps (parse->srcpad, caps);
gst_caps_unref (caps);
/* If setting output timestamps, ensure that the output segment is TIME */
if (parse->set_timestamps == FALSE || base->segment.format == GST_FORMAT_TIME)
gst_pad_push_event (parse->srcpad, gst_event_new_segment (&base->segment));
else {
GstSegment seg;
gst_segment_init (&seg, GST_FORMAT_TIME);
GST_DEBUG_OBJECT (parse,
"Generating time output segment %" GST_SEGMENT_FORMAT, &seg);
gst_pad_push_event (parse->srcpad, gst_event_new_segment (&seg));
}
parse->first = FALSE;
return TRUE;
}
void InbandTextTrackPrivateGStreamer::notifyTrackOfStreamChanged()
{
GRefPtr<GstEvent> event = adoptGRef(gst_pad_get_sticky_event(m_pad.get(),
GST_EVENT_STREAM_START, 0));
if (!event)
return;
const gchar* streamId;
gst_event_parse_stream_start(event.get(), &streamId);
INFO_MEDIA_MESSAGE("Track %d got stream start for stream %s.", m_index, streamId);
m_streamId = streamId;
}
static void
input_selector_check_eos (gint present)
{
GstEvent *eos;
eos = gst_pad_get_sticky_event (output_pad, GST_EVENT_EOS, 0);
if (present) {
fail_unless (eos != NULL);
gst_event_unref (eos);
} else {
fail_unless (eos == NULL);
}
}
static void
gst_type_find_element_have_type (GstTypeFindElement * typefind,
guint probability, GstCaps * caps)
{
GstEvent *event;
g_assert (caps != NULL);
GST_INFO_OBJECT (typefind, "found caps %" GST_PTR_FORMAT ", probability=%u",
caps, probability);
/* Do nothing if downstream is pulling from us */
if (GST_PAD_MODE (typefind->src) == GST_PAD_MODE_PULL)
return;
GST_OBJECT_LOCK (typefind);
/* Now actually send the CAPS event downstream.
*
* Try to directly send the CAPS event downstream that we created in
* gst_type_find_element_emit_have_type() if it is still there, instead
* of creating a new one. No need to create an equivalent one, replacing
* it in the sticky event list and possibly causing renegotiation
*/
event = gst_pad_get_sticky_event (typefind->src, GST_EVENT_CAPS, 0);
if (event) {
GstCaps *event_caps;
gst_event_parse_caps (event, &event_caps);
if (caps != event_caps) {
gst_event_unref (event);
event = gst_event_new_caps (caps);
}
} else {
event = gst_event_new_caps (caps);
}
GST_OBJECT_UNLOCK (typefind);
gst_pad_push_event (typefind->src, event);
}
void InbandTextTrackPrivateGStreamer::notifyTrackOfTagsChanged()
{
m_tagTimerHandler = 0;
if (!m_pad)
return;
String label;
String language;
GRefPtr<GstEvent> event;
for (guint i = 0; (event = adoptGRef(gst_pad_get_sticky_event(m_pad.get(), GST_EVENT_TAG, i))); ++i) {
GstTagList* tags = 0;
gst_event_parse_tag(event.get(), &tags);
ASSERT(tags);
gchar* tagValue;
if (gst_tag_list_get_string(tags, GST_TAG_TITLE, &tagValue)) {
INFO_MEDIA_MESSAGE("Text track %d got title %s.", m_index, tagValue);
label = tagValue;
g_free(tagValue);
}
if (gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &tagValue)) {
INFO_MEDIA_MESSAGE("Text track %d got language %s.", m_index, tagValue);
language = tagValue;
g_free(tagValue);
}
}
if (m_label != label) {
m_label = label;
client()->labelChanged(this, m_label);
}
if (m_language != language) {
m_language = language;
client()->languageChanged(this, m_language);
}
}
static void
gst_srtp_dec_push_early_events (GstSrtpDec * filter, GstPad * pad,
GstPad * otherpad, gboolean is_rtcp)
{
GstEvent *otherev, *ev;
ev = gst_pad_get_sticky_event (pad, GST_EVENT_STREAM_START, 0);
if (ev) {
gst_event_unref (ev);
} else {
gchar *new_stream_id;
otherev = gst_pad_get_sticky_event (otherpad, GST_EVENT_STREAM_START, 0);
if (otherev) {
const gchar *other_stream_id;
gst_event_parse_stream_start (otherev, &other_stream_id);
new_stream_id = g_strdup_printf ("%s/%s", other_stream_id,
is_rtcp ? "rtcp" : "rtp");
gst_event_unref (otherev);
} else {
new_stream_id = gst_pad_create_stream_id (pad, GST_ELEMENT (filter),
is_rtcp ? "rtcp" : "rtp");
}
ev = gst_event_new_stream_start (new_stream_id);
g_free (new_stream_id);
gst_pad_push_event (pad, ev);
}
ev = gst_pad_get_sticky_event (pad, GST_EVENT_CAPS, 0);
if (ev) {
gst_event_unref (ev);
} else {
GstCaps *caps;
if (is_rtcp)
caps = gst_caps_new_empty_simple ("application/x-rtcp");
else
caps = gst_caps_new_empty_simple ("application/x-rtp");
gst_pad_set_caps (pad, caps);
gst_caps_unref (caps);
}
ev = gst_pad_get_sticky_event (pad, GST_EVENT_SEGMENT, 0);
if (ev) {
gst_event_unref (ev);
} else {
ev = gst_pad_get_sticky_event (otherpad, GST_EVENT_SEGMENT, 0);
if (ev)
gst_pad_push_event (pad, ev);
}
if (is_rtcp)
filter->rtcp_has_segment = TRUE;
else
filter->rtp_has_segment = TRUE;
}
static GstMultipartPad *
gst_multipart_find_pad_by_mime (GstMultipartDemux * demux, gchar * mime,
gboolean * created)
{
GSList *walk;
walk = demux->srcpads;
while (walk) {
GstMultipartPad *pad = (GstMultipartPad *) walk->data;
if (!strcmp (pad->mime, mime)) {
if (created) {
*created = FALSE;
}
return pad;
}
walk = walk->next;
}
/* pad not found, create it */
{
GstPad *pad;
GstMultipartPad *mppad;
gchar *name;
const gchar *capsname;
GstCaps *caps;
gchar *stream_id;
GstEvent *event;
mppad = g_new0 (GstMultipartPad, 1);
GST_DEBUG_OBJECT (demux, "creating pad with mime: %s", mime);
name = g_strdup_printf ("src_%u", demux->numpads);
pad =
gst_pad_new_from_static_template (&multipart_demux_src_template_factory,
name);
g_free (name);
mppad->pad = pad;
mppad->mime = g_strdup (mime);
mppad->last_ret = GST_FLOW_OK;
mppad->last_ts = GST_CLOCK_TIME_NONE;
mppad->discont = TRUE;
demux->srcpads = g_slist_prepend (demux->srcpads, mppad);
demux->numpads++;
gst_pad_use_fixed_caps (pad);
gst_pad_set_active (pad, TRUE);
/* prepare and send stream-start */
if (!demux->have_group_id) {
event = gst_pad_get_sticky_event (demux->sinkpad,
GST_EVENT_STREAM_START, 0);
if (event) {
demux->have_group_id =
gst_event_parse_group_id (event, &demux->group_id);
gst_event_unref (event);
} else if (!demux->have_group_id) {
demux->have_group_id = TRUE;
demux->group_id = gst_util_group_id_next ();
}
}
stream_id = gst_pad_create_stream_id (pad,
GST_ELEMENT_CAST (demux), demux->mime_type);
event = gst_event_new_stream_start (stream_id);
if (demux->have_group_id)
gst_event_set_group_id (event, demux->group_id);
gst_pad_store_sticky_event (pad, event);
g_free (stream_id);
gst_event_unref (event);
/* take the mime type, convert it to the caps name */
capsname = gst_multipart_demux_get_gstname (demux, mime);
caps = gst_caps_from_string (capsname);
GST_DEBUG_OBJECT (demux, "caps for pad: %s", capsname);
gst_pad_set_caps (pad, caps);
gst_element_add_pad (GST_ELEMENT_CAST (demux), pad);
gst_caps_unref (caps);
if (created) {
*created = TRUE;
}
if (demux->singleStream) {
gst_element_no_more_pads (GST_ELEMENT_CAST (demux));
}
return mppad;
}
}
static GstFlowReturn
gst_real_audio_demux_parse_header (GstRealAudioDemux * demux)
{
const guint8 *data;
gchar *codec_name = NULL;
GstCaps *caps = NULL;
GstEvent *event;
gchar *stream_id;
guint avail;
g_assert (demux->ra_version == 4 || demux->ra_version == 3);
avail = gst_adapter_available (demux->adapter);
if (avail < 16)
return GST_FLOW_OK;
if (!gst_real_audio_demux_get_data_offset_from_header (demux))
return GST_FLOW_ERROR; /* shouldn't happen */
GST_DEBUG_OBJECT (demux, "data_offset = %u", demux->data_offset);
if (avail + 6 < demux->data_offset) {
GST_DEBUG_OBJECT (demux, "Need %u bytes, but only %u available now",
demux->data_offset - 6, avail);
return GST_FLOW_OK;
}
data = gst_adapter_map (demux->adapter, demux->data_offset - 6);
g_assert (data);
switch (demux->ra_version) {
case 3:
demux->fourcc = GST_RM_AUD_14_4;
demux->packet_size = 20;
demux->sample_rate = 8000;
demux->channels = 1;
demux->sample_width = 16;
demux->flavour = 1;
demux->leaf_size = 0;
demux->height = 0;
break;
case 4:
demux->flavour = GST_READ_UINT16_BE (data + 16);
/* demux->frame_size = GST_READ_UINT32_BE (data + 36); */
demux->leaf_size = GST_READ_UINT16_BE (data + 38);
demux->height = GST_READ_UINT16_BE (data + 34);
demux->packet_size = GST_READ_UINT32_BE (data + 18);
demux->sample_rate = GST_READ_UINT16_BE (data + 42);
demux->sample_width = GST_READ_UINT16_BE (data + 46);
demux->channels = GST_READ_UINT16_BE (data + 48);
demux->fourcc = GST_READ_UINT32_LE (data + 56);
demux->pending_tags = gst_rm_utils_read_tags (data + 63,
demux->data_offset - 63, gst_rm_utils_read_string8);
if (demux->pending_tags)
gst_tag_list_set_scope (demux->pending_tags, GST_TAG_SCOPE_GLOBAL);
break;
default:
g_assert_not_reached ();
#if 0
case 5:
demux->flavour = GST_READ_UINT16_BE (data + 16);
/* demux->frame_size = GST_READ_UINT32_BE (data + 36); */
demux->leaf_size = GST_READ_UINT16_BE (data + 38);
demux->height = GST_READ_UINT16_BE (data + 34);
demux->sample_rate = GST_READ_UINT16_BE (data + 48);
demux->sample_width = GST_READ_UINT16_BE (data + 52);
demux->n_channels = GST_READ_UINT16_BE (data + 54);
demux->fourcc = RMDEMUX_FOURCC_GET (data + 60);
break;
#endif
}
GST_INFO_OBJECT (demux, "packet_size = %u", demux->packet_size);
GST_INFO_OBJECT (demux, "sample_rate = %u", demux->sample_rate);
GST_INFO_OBJECT (demux, "sample_width = %u", demux->sample_width);
GST_INFO_OBJECT (demux, "channels = %u", demux->channels);
GST_INFO_OBJECT (demux, "fourcc = '%" GST_FOURCC_FORMAT "' (%08X)",
GST_FOURCC_ARGS (demux->fourcc), demux->fourcc);
switch (demux->fourcc) {
case GST_RM_AUD_14_4:
caps = gst_caps_new_simple ("audio/x-pn-realaudio", "raversion",
G_TYPE_INT, 1, NULL);
demux->byterate_num = 1000;
demux->byterate_denom = 1;
break;
case GST_RM_AUD_28_8:
/* FIXME: needs descrambling */
caps = gst_caps_new_simple ("audio/x-pn-realaudio", "raversion",
G_TYPE_INT, 2, NULL);
break;
case GST_RM_AUD_DNET:
caps = gst_caps_new_simple ("audio/x-ac3", "rate", G_TYPE_INT,
demux->sample_rate, NULL);
if (demux->packet_size == 0 || demux->sample_rate == 0)
goto broken_file;
demux->byterate_num = demux->packet_size * demux->sample_rate;
demux->byterate_denom = 1536;
break;
/* Sipro/ACELP.NET Voice Codec (MIME unknown) */
case GST_RM_AUD_SIPR:
caps = gst_caps_new_empty_simple ("audio/x-sipro");
break;
default:
GST_WARNING_OBJECT (demux, "unknown fourcc %08X", demux->fourcc);
break;
}
if (caps == NULL)
goto unknown_fourcc;
gst_caps_set_simple (caps,
"flavor", G_TYPE_INT, demux->flavour,
"rate", G_TYPE_INT, demux->sample_rate,
"channels", G_TYPE_INT, demux->channels,
"width", G_TYPE_INT, demux->sample_width,
"leaf_size", G_TYPE_INT, demux->leaf_size,
"packet_size", G_TYPE_INT, demux->packet_size,
"height", G_TYPE_INT, demux->height, NULL);
GST_INFO_OBJECT (demux, "Adding source pad, caps %" GST_PTR_FORMAT, caps);
demux->srcpad = gst_pad_new_from_static_template (&src_template, "src");
gst_pad_set_event_function (demux->srcpad,
GST_DEBUG_FUNCPTR (gst_real_audio_demux_src_event));
gst_pad_set_query_function (demux->srcpad,
GST_DEBUG_FUNCPTR (gst_real_audio_demux_src_query));
gst_pad_set_active (demux->srcpad, TRUE);
gst_pad_use_fixed_caps (demux->srcpad);
stream_id =
gst_pad_create_stream_id (demux->srcpad, GST_ELEMENT_CAST (demux), NULL);
event = gst_pad_get_sticky_event (demux->sinkpad, GST_EVENT_STREAM_START, 0);
if (event) {
if (gst_event_parse_group_id (event, &demux->group_id))
demux->have_group_id = TRUE;
else
demux->have_group_id = FALSE;
gst_event_unref (event);
} else if (!demux->have_group_id) {
demux->have_group_id = TRUE;
demux->group_id = gst_util_group_id_next ();
}
event = gst_event_new_stream_start (stream_id);
if (demux->have_group_id)
gst_event_set_group_id (event, demux->group_id);
gst_pad_push_event (demux->srcpad, event);
g_free (stream_id);
gst_pad_set_caps (demux->srcpad, caps);
codec_name = gst_pb_utils_get_codec_description (caps);
gst_caps_unref (caps);
gst_element_add_pad (GST_ELEMENT (demux), demux->srcpad);
if (demux->byterate_num > 0 && demux->byterate_denom > 0) {
GstFormat bformat = GST_FORMAT_BYTES;
gint64 size_bytes = 0;
GST_INFO_OBJECT (demux, "byte rate = %u/%u = %u bytes/sec",
demux->byterate_num, demux->byterate_denom,
demux->byterate_num / demux->byterate_denom);
if (gst_pad_peer_query_duration (demux->sinkpad, bformat, &size_bytes)) {
demux->duration =
gst_real_demux_get_timestamp_from_offset (demux, size_bytes);
demux->upstream_size = size_bytes;
GST_INFO_OBJECT (demux, "upstream_size = %" G_GUINT64_FORMAT,
demux->upstream_size);
GST_INFO_OBJECT (demux, "duration = %" GST_TIME_FORMAT,
GST_TIME_ARGS (demux->duration));
}
}
demux->need_newsegment = TRUE;
if (codec_name) {
if (demux->pending_tags == NULL) {
demux->pending_tags = gst_tag_list_new_empty ();
gst_tag_list_set_scope (demux->pending_tags, GST_TAG_SCOPE_GLOBAL);
}
gst_tag_list_add (demux->pending_tags, GST_TAG_MERGE_REPLACE,
GST_TAG_AUDIO_CODEC, codec_name, NULL);
g_free (codec_name);
}
gst_adapter_unmap (demux->adapter);
gst_adapter_flush (demux->adapter, demux->data_offset - 6);
demux->state = REAL_AUDIO_DEMUX_STATE_DATA;
demux->need_newsegment = TRUE;
return GST_FLOW_OK;
/* ERRORS */
unknown_fourcc:
{
GST_ELEMENT_ERROR (GST_ELEMENT (demux), STREAM, DECODE, (NULL),
("Unknown fourcc '%" GST_FOURCC_FORMAT "'",
GST_FOURCC_ARGS (demux->fourcc)));
return GST_FLOW_ERROR;
}
broken_file:
{
GST_ELEMENT_ERROR (GST_ELEMENT (demux), STREAM, DECODE, (NULL),
("Broken file - invalid sample_rate or other header value"));
return GST_FLOW_ERROR;
}
}
static void
_audiodecoder_flush_events (gboolean send_buffers)
{
GstSegment segment;
GstBuffer *buffer;
guint64 i;
GList *events_iter;
GstMessage *msg;
setup_audiodecodertester ();
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (dec, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
send_startup_events ();
/* push a new segment */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
if (send_buffers) {
/* push buffers, the data is actually a number so we can track them */
for (i = 0; i < NUM_BUFFERS; i++) {
if (i % 10 == 0) {
GstTagList *tags;
tags = gst_tag_list_new (GST_TAG_TRACK_NUMBER, i, NULL);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_tag (tags)));
} else {
buffer = create_test_buffer (i);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
}
} else {
/* push sticky event */
GstTagList *tags;
tags = gst_tag_list_new (GST_TAG_TRACK_NUMBER, 0, NULL);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_tag (tags)));
}
msg =
gst_message_new_element (GST_OBJECT (mysrcpad),
gst_structure_new_empty ("test"));
fail_unless (gst_pad_push_event (mysrcpad,
gst_event_new_sink_message ("test", msg)));
gst_message_unref (msg);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
events_iter = events;
/* make sure the usual events have been received */
{
GstEvent *sstart = events_iter->data;
fail_unless (GST_EVENT_TYPE (sstart) == GST_EVENT_STREAM_START);
events_iter = g_list_next (events_iter);
}
if (send_buffers) {
{
GstEvent *caps_event = events_iter->data;
fail_unless (GST_EVENT_TYPE (caps_event) == GST_EVENT_CAPS);
events_iter = g_list_next (events_iter);
}
{
GstEvent *segment_event = events_iter->data;
fail_unless (GST_EVENT_TYPE (segment_event) == GST_EVENT_SEGMENT);
events_iter = g_list_next (events_iter);
}
for (int i=0; i< NUM_BUFFERS / 10; i++)
{
GstEvent *tag_event = events_iter->data;
fail_unless (GST_EVENT_TYPE (tag_event) == GST_EVENT_TAG);
events_iter = g_list_next (events_iter);
}
}
{
GstEvent *eos_event = events_iter->data;
fail_unless (GST_EVENT_TYPE (eos_event) == GST_EVENT_EOS);
events_iter = g_list_next (events_iter);
}
/* check that EOS was received */
fail_unless (GST_PAD_IS_EOS (mysrcpad));
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_flush_start ()));
fail_unless (GST_PAD_IS_EOS (mysrcpad));
/* Check that we have tags */
{
GstEvent *tags = gst_pad_get_sticky_event (mysrcpad, GST_EVENT_TAG, 0);
fail_unless (tags != NULL);
gst_event_unref (tags);
}
/* Check that we still have a segment set */
{
GstEvent *segment =
gst_pad_get_sticky_event (mysrcpad, GST_EVENT_SEGMENT, 0);
fail_unless (segment != NULL);
gst_event_unref (segment);
}
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_flush_stop (TRUE)));
fail_if (GST_PAD_IS_EOS (mysrcpad));
/* Check that the segment was flushed on FLUSH_STOP */
{
GstEvent *segment =
gst_pad_get_sticky_event (mysrcpad, GST_EVENT_SEGMENT, 0);
fail_unless (segment == NULL);
}
/* Check the tags were not lost on FLUSH_STOP */
{
GstEvent *tags = gst_pad_get_sticky_event (mysrcpad, GST_EVENT_TAG, 0);
fail_unless (tags != NULL);
gst_event_unref (tags);
}
g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref);
buffers = NULL;
gst_element_set_state (dec, GST_STATE_NULL);
cleanup_audiodecodertest ();
}
static GstFlowReturn
gst_rtp_pt_demux_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstFlowReturn ret = GST_FLOW_OK;
GstRtpPtDemux *rtpdemux;
guint8 pt;
GstPad *srcpad;
GstCaps *caps;
GstRTPBuffer rtp = { NULL };
rtpdemux = GST_RTP_PT_DEMUX (parent);
if (!gst_rtp_buffer_map (buf, GST_MAP_READ, &rtp))
goto invalid_buffer;
pt = gst_rtp_buffer_get_payload_type (&rtp);
gst_rtp_buffer_unmap (&rtp);
GST_DEBUG_OBJECT (rtpdemux, "received buffer for pt %d", pt);
srcpad = find_pad_for_pt (rtpdemux, pt);
if (srcpad == NULL) {
/* new PT, create a src pad */
GstRtpPtDemuxPad *rtpdemuxpad;
GstElementClass *klass;
GstPadTemplate *templ;
gchar *padname;
caps = gst_rtp_pt_demux_get_caps (rtpdemux, pt);
if (!caps)
goto no_caps;
klass = GST_ELEMENT_GET_CLASS (rtpdemux);
templ = gst_element_class_get_pad_template (klass, "src_%u");
padname = g_strdup_printf ("src_%u", pt);
srcpad = gst_pad_new_from_template (templ, padname);
gst_pad_use_fixed_caps (srcpad);
g_free (padname);
gst_pad_set_event_function (srcpad, gst_rtp_pt_demux_src_event);
GST_DEBUG ("Adding pt=%d to the list.", pt);
rtpdemuxpad = g_slice_new0 (GstRtpPtDemuxPad);
rtpdemuxpad->pt = pt;
rtpdemuxpad->newcaps = FALSE;
rtpdemuxpad->pad = srcpad;
gst_object_ref (srcpad);
GST_OBJECT_LOCK (rtpdemux);
rtpdemux->srcpads = g_slist_append (rtpdemux->srcpads, rtpdemuxpad);
GST_OBJECT_UNLOCK (rtpdemux);
gst_pad_set_active (srcpad, TRUE);
/* First push the stream-start event, it must always come first */
gst_pad_push_event (srcpad,
gst_pad_get_sticky_event (rtpdemux->sink, GST_EVENT_STREAM_START, 0));
/* Then caps event is sent */
caps = gst_caps_make_writable (caps);
gst_caps_set_simple (caps, "payload", G_TYPE_INT, pt, NULL);
gst_pad_set_caps (srcpad, caps);
gst_caps_unref (caps);
/* First sticky events on sink pad are forwarded to the new src pad */
gst_pad_sticky_events_foreach (rtpdemux->sink, forward_sticky_events,
srcpad);
gst_element_add_pad (GST_ELEMENT_CAST (rtpdemux), srcpad);
GST_DEBUG ("emitting new-payload-type for pt %d", pt);
g_signal_emit (G_OBJECT (rtpdemux),
gst_rtp_pt_demux_signals[SIGNAL_NEW_PAYLOAD_TYPE], 0, pt, srcpad);
}
if (pt != rtpdemux->last_pt) {
gint emit_pt = pt;
/* our own signal with an extra flag that this is the only pad */
rtpdemux->last_pt = pt;
GST_DEBUG ("emitting payload-type-changed for pt %d", emit_pt);
g_signal_emit (G_OBJECT (rtpdemux),
gst_rtp_pt_demux_signals[SIGNAL_PAYLOAD_TYPE_CHANGE], 0, emit_pt);
}
while (need_caps_for_pt (rtpdemux, pt)) {
GST_DEBUG ("need new caps for %d", pt);
caps = gst_rtp_pt_demux_get_caps (rtpdemux, pt);
if (!caps)
goto no_caps;
clear_newcaps_for_pt (rtpdemux, pt);
caps = gst_caps_make_writable (caps);
gst_caps_set_simple (caps, "payload", G_TYPE_INT, pt, NULL);
gst_pad_set_caps (srcpad, caps);
gst_caps_unref (caps);
}
/* push to srcpad */
ret = gst_pad_push (srcpad, buf);
gst_object_unref (srcpad);
return ret;
/* ERRORS */
invalid_buffer:
{
/* this is fatal and should be filtered earlier */
GST_ELEMENT_ERROR (rtpdemux, STREAM, DECODE, (NULL),
("Dropping invalid RTP payload"));
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
no_caps:
{
GST_ELEMENT_ERROR (rtpdemux, STREAM, DECODE, (NULL),
("Could not get caps for payload"));
gst_buffer_unref (buf);
if (srcpad)
gst_object_unref (srcpad);
return GST_FLOW_ERROR;
}
}
static GstFlowReturn
gst_cc_extractor_handle_meta (GstCCExtractor * filter, GstBuffer * buf,
GstVideoCaptionMeta * meta)
{
GstBuffer *outbuf = NULL;
GstEvent *event;
gchar *captionid;
GstFlowReturn flow;
GST_DEBUG_OBJECT (filter, "Handling meta");
/* Check if the meta type matches the configured one */
if (filter->captionpad != NULL && meta->caption_type != filter->caption_type) {
GST_ERROR_OBJECT (filter,
"GstVideoCaptionMeta type changed, Not handled currently");
flow = GST_FLOW_NOT_NEGOTIATED;
goto out;
}
if (filter->captionpad == NULL) {
GstCaps *caption_caps = NULL;
GstEvent *stream_event;
GST_DEBUG_OBJECT (filter, "Creating new caption pad");
switch (meta->caption_type) {
case GST_VIDEO_CAPTION_TYPE_CEA608_RAW:
caption_caps =
gst_caps_from_string ("closedcaption/x-cea-608,format=(string)raw");
break;
case GST_VIDEO_CAPTION_TYPE_CEA608_IN_CEA708_RAW:
caption_caps =
gst_caps_from_string
("closedcaption/x-cea-608,format=(string)cc_data");
break;
case GST_VIDEO_CAPTION_TYPE_CEA708_RAW:
caption_caps =
gst_caps_from_string
("closedcaption/x-cea-708,format=(string)cc_data");
break;
case GST_VIDEO_CAPTION_TYPE_CEA708_CDP:
caption_caps =
gst_caps_from_string ("closedcaption/x-cea-708,format=(string)cdp");
break;
default:
break;
}
if (caption_caps == NULL) {
GST_ERROR_OBJECT (filter, "Unknown/invalid caption type");
return GST_FLOW_NOT_NEGOTIATED;
}
/* Create the caption pad and set the caps */
filter->captionpad =
gst_pad_new_from_static_template (&captiontemplate, "caption");
gst_pad_set_iterate_internal_links_function (filter->sinkpad,
GST_DEBUG_FUNCPTR (gst_cc_extractor_iterate_internal_links));
gst_pad_set_active (filter->captionpad, TRUE);
gst_element_add_pad (GST_ELEMENT (filter), filter->captionpad);
gst_flow_combiner_add_pad (filter->combiner, filter->captionpad);
captionid =
gst_pad_create_stream_id (filter->captionpad, (GstElement *) filter,
"caption");
stream_event = gst_event_new_stream_start (captionid);
g_free (captionid);
/* FIXME : Create a proper stream-id */
if ((event =
gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_STREAM_START,
0))) {
guint group_id;
if (gst_event_parse_group_id (event, &group_id))
gst_event_set_group_id (stream_event, group_id);
gst_event_unref (event);
}
gst_pad_push_event (filter->captionpad, stream_event);
gst_pad_set_caps (filter->captionpad, caption_caps);
gst_caps_unref (caption_caps);
/* Carry over sticky events */
if ((event =
gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_SEGMENT, 0)))
gst_pad_push_event (filter->captionpad, event);
if ((event = gst_pad_get_sticky_event (filter->srcpad, GST_EVENT_TAG, 0)))
gst_pad_push_event (filter->captionpad, event);
filter->caption_type = meta->caption_type;
}
GST_DEBUG_OBJECT (filter,
"Creating new buffer of size %" G_GSIZE_FORMAT " bytes", meta->size);
/* Extract caption data into new buffer with identical buffer timestamps */
outbuf = gst_buffer_new_allocate (NULL, meta->size, NULL);
gst_buffer_fill (outbuf, 0, meta->data, meta->size);
GST_BUFFER_PTS (outbuf) = GST_BUFFER_PTS (buf);
GST_BUFFER_DTS (outbuf) = GST_BUFFER_DTS (buf);
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
/* We don't really care about the flow return */
flow = gst_pad_push (filter->captionpad, outbuf);
out:
/* Set flow return on pad and return combined value */
return gst_flow_combiner_update_pad_flow (filter->combiner,
filter->captionpad, flow);
}
