static gboolean
gst_wavpack_dec_sink_event (GstPad * pad, GstEvent * event)
{
GstWavpackDec *dec = GST_WAVPACK_DEC (gst_pad_get_parent (pad));
GST_LOG_OBJECT (dec, "Received %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT: {
GstFormat fmt;
gboolean is_update;
gint64 start, end, base;
gdouble rate;
gst_event_parse_new_segment (event, &is_update, &rate, &fmt, &start,
&end, &base);
if (fmt == GST_FORMAT_TIME) {
GST_DEBUG ("Got NEWSEGMENT event in GST_FORMAT_TIME, passing on (%"
GST_TIME_FORMAT " - %" GST_TIME_FORMAT ")", GST_TIME_ARGS (start),
GST_TIME_ARGS (end));
gst_segment_set_newsegment (&dec->segment, is_update, rate, fmt,
start, end, base);
} else {
gst_segment_init (&dec->segment, GST_FORMAT_TIME);
}
break;
}
default:
break;
}
gst_object_unref (dec);
return gst_pad_event_default (pad, event);
}
static GstFlowReturn
gst_wildmidi_parse_song (GstWildmidi * wildmidi)
{
struct _WM_Info *info;
GstCaps *outcaps;
guint8 *data;
guint size;
GST_DEBUG_OBJECT (wildmidi, "Parsing song");
size = gst_adapter_available (wildmidi->adapter);
data = gst_adapter_take (wildmidi->adapter, size);
/* this method takes our memory block */
GST_OBJECT_LOCK (wildmidi);
wildmidi->song = WildMidi_OpenBuffer (data, size);
if (!wildmidi->song)
goto open_failed;
WildMidi_LoadSamples (wildmidi->song);
WildMidi_SetOption (wildmidi->song, WM_MO_LINEAR_VOLUME,
wildmidi->linear_volume);
WildMidi_SetOption (wildmidi->song, WM_MO_EXPENSIVE_INTERPOLATION,
wildmidi->high_quality);
info = WildMidi_GetInfo (wildmidi->song);
GST_OBJECT_UNLOCK (wildmidi);
wildmidi->o_len = info->approx_total_samples;
outcaps = gst_caps_copy (gst_pad_get_pad_template_caps (wildmidi->srcpad));
gst_pad_set_caps (wildmidi->srcpad, outcaps);
gst_caps_unref (outcaps);
/* we keep an internal segment in samples */
gst_segment_set_newsegment (wildmidi->o_segment, FALSE, 1.0,
GST_FORMAT_DEFAULT, 0, GST_CLOCK_TIME_NONE, 0);
gst_pad_push_event (wildmidi->srcpad,
gst_wildmidi_get_new_segment_event (wildmidi, GST_FORMAT_TIME));
GST_DEBUG_OBJECT (wildmidi, "Parsing song done");
return GST_FLOW_OK;
/* ERRORS */
open_failed:
{
GST_OBJECT_UNLOCK (wildmidi);
GST_ELEMENT_ERROR (wildmidi, STREAM, DECODE, (NULL),
("Unable to parse midi data"));
return GST_FLOW_ERROR;
}
}
static gboolean
gst_basertppayload_event (GstPad * pad, GstEvent * event)
{
GstBaseRTPPayload *basertppayload;
GstBaseRTPPayloadClass *basertppayload_class;
gboolean res;
basertppayload = GST_BASE_RTP_PAYLOAD (gst_pad_get_parent (pad));
basertppayload_class = GST_BASE_RTP_PAYLOAD_GET_CLASS (basertppayload);
if (basertppayload_class->handle_event) {
res = basertppayload_class->handle_event (pad, event);
if (res)
goto done;
}
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
res = gst_pad_event_default (pad, event);
break;
case GST_EVENT_FLUSH_STOP:
res = gst_pad_event_default (pad, event);
gst_segment_init (&basertppayload->segment, GST_FORMAT_UNDEFINED);
break;
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate;
GstFormat fmt;
gint64 start, stop, position;
gst_event_parse_new_segment (event, &update, &rate, &fmt, &start, &stop,
&position);
gst_segment_set_newsegment (&basertppayload->segment, update, rate, fmt,
start, stop, position);
/* fallthrough */
}
default:
res = gst_pad_event_default (pad, event);
break;
}
done:
gst_object_unref (basertppayload);
return res;
}
static gboolean
gst_dshowvideodec_sink_event (GstPad * pad, GstEvent * event)
{
gboolean ret = TRUE;
GstDshowVideoDec *vdec = (GstDshowVideoDec *) gst_pad_get_parent (pad);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
gst_dshowvideodec_flush (vdec);
ret = gst_pad_event_default (pad, event);
break;
case GST_EVENT_NEWSEGMENT:
{
GstFormat format;
gdouble rate;
gint64 start, stop, time;
gboolean update;
gst_event_parse_new_segment (event, &update, &rate, &format, &start,
&stop, &time);
/* save the new segment in our local current segment */
gst_segment_set_newsegment (vdec->segment, update, rate, format, start,
stop, time);
GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec,
"new segment received => start=%" GST_TIME_FORMAT " stop=%"
GST_TIME_FORMAT, GST_TIME_ARGS (vdec->segment->start),
GST_TIME_ARGS (vdec->segment->stop));
if (update) {
GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec,
"closing current segment flushing..");
gst_dshowvideodec_flush (vdec);
}
ret = gst_pad_event_default (pad, event);
break;
}
default:
ret = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (vdec);
return ret;
}
static gboolean
gst_segment_clip_event (GstPad * pad, GstEvent * event)
{
GstSegmentClip *self = GST_SEGMENT_CLIP (gst_pad_get_parent (pad));
GstPad *otherpad;
gboolean ret;
GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
ret = gst_pad_push_event (otherpad, event);
if (ret) {
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:{
GstFormat fmt;
gboolean is_update;
gint64 start, end, base;
gdouble rate;
gst_event_parse_new_segment (event, &is_update, &rate, &fmt, &start,
&end, &base);
GST_DEBUG_OBJECT (pad,
"Got NEWSEGMENT event in %s format, passing on (%"
GST_TIME_FORMAT " - %" GST_TIME_FORMAT ")",
gst_format_get_name (fmt), GST_TIME_ARGS (start),
GST_TIME_ARGS (end));
gst_segment_set_newsegment (&self->segment, is_update, rate, fmt, start,
end, base);
break;
}
case GST_EVENT_FLUSH_STOP:
gst_segment_clip_reset (self);
break;
default:
break;
}
}
gst_object_unref (self);
return ret;
}
static gboolean
gst_rdt_depay_sink_event (GstPad * pad, GstEvent * event)
{
GstRDTDepay *depay;
gboolean res = TRUE;
depay = GST_RDT_DEPAY (GST_OBJECT_PARENT (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
res = gst_pad_push_event (depay->srcpad, event);
gst_segment_init (&depay->segment, GST_FORMAT_UNDEFINED);
depay->need_newsegment = TRUE;
depay->next_seqnum = -1;
break;
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate;
GstFormat fmt;
gint64 start, stop, position;
gst_event_parse_new_segment (event, &update, &rate, &fmt, &start, &stop,
&position);
gst_segment_set_newsegment (&depay->segment, update, rate, fmt,
start, stop, position);
/* don't pass the event downstream, we generate our own segment
* including the NTP time and other things we receive in caps */
gst_event_unref (event);
break;
}
default:
/* pass other events forward */
res = gst_pad_push_event (depay->srcpad, event);
break;
}
return res;
}
static gboolean
gst_shape_wipe_video_sink_event (GstPad * pad, GstEvent * event)
{
GstShapeWipe *self = GST_SHAPE_WIPE (gst_pad_get_parent (pad));
gboolean ret;
GST_DEBUG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:{
GstFormat fmt;
gboolean is_update;
gint64 start, end, base;
gdouble rate;
gst_event_parse_new_segment (event, &is_update, &rate, &fmt, &start,
&end, &base);
if (fmt == GST_FORMAT_TIME) {
GST_DEBUG_OBJECT (pad,
"Got NEWSEGMENT event in GST_FORMAT_TIME, passing on (%"
GST_TIME_FORMAT " - %" GST_TIME_FORMAT ")", GST_TIME_ARGS (start),
GST_TIME_ARGS (end));
gst_segment_set_newsegment (&self->segment, is_update, rate, fmt, start,
end, base);
} else {
gst_segment_init (&self->segment, GST_FORMAT_TIME);
}
}
/* fall through */
case GST_EVENT_FLUSH_STOP:
gst_shape_wipe_reset_qos (self);
/* fall through */
default:
ret = gst_pad_push_event (self->srcpad, event);
break;
}
gst_object_unref (self);
return ret;
}
gboolean GStreamerReader::EventProbe(GstPad* aPad, GstEvent* aEvent)
{
GstElement* parent = GST_ELEMENT(gst_pad_get_parent(aPad));
switch(GST_EVENT_TYPE(aEvent)) {
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate;
GstFormat format;
gint64 start, stop, position;
GstSegment* segment;
/* Store the segments so we can convert timestamps to stream time, which
* is what the upper layers sync on.
*/
ReentrantMonitorAutoEnter mon(mGstThreadsMonitor);
gst_event_parse_new_segment(aEvent, &update, &rate, &format,
&start, &stop, &position);
if (parent == GST_ELEMENT(mVideoAppSink))
segment = &mVideoSegment;
else
segment = &mAudioSegment;
gst_segment_set_newsegment(segment, update, rate, format,
start, stop, position);
break;
}
case GST_EVENT_FLUSH_STOP:
/* Reset on seeks */
ResetDecode();
break;
default:
break;
}
gst_object_unref(parent);
return TRUE;
}
static gboolean
gst_base_rtp_depayload_handle_sink_event (GstPad * pad, GstEvent * event)
{
GstBaseRTPDepayload *filter;
gboolean res = TRUE;
filter = GST_BASE_RTP_DEPAYLOAD (GST_OBJECT_PARENT (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
res = gst_pad_push_event (filter->srcpad, event);
gst_segment_init (&filter->segment, GST_FORMAT_UNDEFINED);
filter->need_newsegment = TRUE;
filter->priv->next_seqnum = -1;
break;
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate;
GstFormat fmt;
gint64 start, stop, position;
gst_event_parse_new_segment (event, &update, &rate, &fmt, &start, &stop,
&position);
gst_segment_set_newsegment (&filter->segment, update, rate, fmt,
start, stop, position);
/* don't pass the event downstream, we generate our own segment including
* the NTP time and other things we receive in caps */
gst_event_unref (event);
break;
}
case GST_EVENT_CUSTOM_DOWNSTREAM:
{
GstBaseRTPDepayloadClass *bclass;
bclass = GST_BASE_RTP_DEPAYLOAD_GET_CLASS (filter);
if (gst_event_has_name (event, "GstRTPPacketLost")) {
/* we get this event from the jitterbuffer when it considers a packet as
* being lost. We send it to our packet_lost vmethod. The default
* implementation will make time progress by pushing out a NEWSEGMENT
* update event. Subclasses can override and to one of the following:
* - Adjust timestamp/duration to something more accurate before
* calling the parent (default) packet_lost method.
* - do some more advanced error concealing on the already received
* (fragmented) packets.
* - ignore the packet lost.
*/
if (bclass->packet_lost)
res = bclass->packet_lost (filter, event);
}
gst_event_unref (event);
break;
}
default:
/* pass other events forward */
res = gst_pad_push_event (filter->srcpad, event);
break;
}
return res;
}
static void
gst_timidity_loop (GstPad * sinkpad)
{
GstTimidity *timidity = GST_TIMIDITY (GST_PAD_PARENT (sinkpad));
GstBuffer *out;
GstFlowReturn ret;
if (timidity->mididata_size == 0) {
if (!gst_timidity_get_upstream_size (timidity, &timidity->mididata_size)) {
GST_ELEMENT_ERROR (timidity, STREAM, DECODE, (NULL),
("Unable to get song length"));
goto paused;
}
if (timidity->mididata)
g_free (timidity->mididata);
timidity->mididata = g_malloc (timidity->mididata_size);
timidity->mididata_offset = 0;
return;
}
if (timidity->mididata_offset < timidity->mididata_size) {
GstBuffer *buffer;
gint64 size;
GST_DEBUG_OBJECT (timidity, "loading song");
ret =
gst_pad_pull_range (timidity->sinkpad, timidity->mididata_offset,
-1, &buffer);
if (ret != GST_FLOW_OK) {
GST_ELEMENT_ERROR (timidity, STREAM, DECODE, (NULL),
("Unable to load song"));
goto paused;
}
size = timidity->mididata_size - timidity->mididata_offset;
if (GST_BUFFER_SIZE (buffer) < size)
size = GST_BUFFER_SIZE (buffer);
memmove (timidity->mididata + timidity->mididata_offset,
GST_BUFFER_DATA (buffer), size);
gst_buffer_unref (buffer);
timidity->mididata_offset += size;
GST_DEBUG_OBJECT (timidity, "Song loaded");
return;
}
if (!timidity->song) {
MidIStream *stream;
GstTagList *tags = NULL;
gchar *text;
GST_DEBUG_OBJECT (timidity, "Parsing song");
stream =
mid_istream_open_mem (timidity->mididata, timidity->mididata_size, 0);
timidity->song = mid_song_load (stream, timidity->song_options);
mid_istream_close (stream);
if (!timidity->song) {
GST_ELEMENT_ERROR (timidity, STREAM, DECODE, (NULL),
("Unable to parse midi"));
goto paused;
}
mid_song_start (timidity->song);
timidity->o_len = (GST_MSECOND *
(GstClockTime) mid_song_get_total_time (timidity->song)) /
timidity->time_per_frame;
gst_segment_set_newsegment (timidity->o_segment, FALSE, 1.0,
GST_FORMAT_DEFAULT, 0, GST_CLOCK_TIME_NONE, 0);
gst_pad_push_event (timidity->srcpad,
gst_timidity_get_new_segment_event (timidity, GST_FORMAT_TIME, FALSE));
/* extract tags */
text = mid_song_get_meta (timidity->song, MID_SONG_TEXT);
if (text) {
tags = gst_tag_list_new ();
gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, GST_TAG_TITLE, text, NULL);
//g_free (text);
}
text = mid_song_get_meta (timidity->song, MID_SONG_COPYRIGHT);
if (text) {
if (tags == NULL)
tags = gst_tag_list_new ();
gst_tag_list_add (tags, GST_TAG_MERGE_APPEND,
GST_TAG_COPYRIGHT, text, NULL);
//g_free (text);
}
if (tags) {
gst_element_found_tags (GST_ELEMENT (timidity), tags);
}
GST_DEBUG_OBJECT (timidity, "Parsing song done");
return;
}
if (timidity->o_segment_changed) {
GstSegment *segment = gst_timidity_get_segment (timidity, GST_FORMAT_TIME,
!timidity->o_new_segment);
GST_LOG_OBJECT (timidity,
"sending newsegment from %" GST_TIME_FORMAT "-%" GST_TIME_FORMAT
", pos=%" GST_TIME_FORMAT, GST_TIME_ARGS ((guint64) segment->start),
GST_TIME_ARGS ((guint64) segment->stop),
GST_TIME_ARGS ((guint64) segment->time));
if (timidity->o_segment->flags & GST_SEEK_FLAG_SEGMENT) {
gst_element_post_message (GST_ELEMENT (timidity),
gst_message_new_segment_start (GST_OBJECT (timidity),
segment->format, segment->start));
}
gst_segment_free (segment);
timidity->o_segment_changed = FALSE;
return;
}
if (timidity->o_seek) {
/* perform a seek internally */
timidity->o_segment->last_stop = timidity->o_segment->time;
mid_song_seek (timidity->song,
(timidity->o_segment->last_stop * timidity->time_per_frame) /
GST_MSECOND);
}
out = gst_timidity_get_buffer (timidity);
if (!out) {
GST_LOG_OBJECT (timidity, "Song ended, generating eos");
gst_pad_push_event (timidity->srcpad, gst_event_new_eos ());
timidity->o_seek = FALSE;
goto paused;
}
if (timidity->o_seek) {
GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DISCONT);
timidity->o_seek = FALSE;
}
gst_buffer_set_caps (out, timidity->out_caps);
ret = gst_pad_push (timidity->srcpad, out);
if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED)
goto error;
return;
paused:
{
GST_DEBUG_OBJECT (timidity, "pausing task");
gst_pad_pause_task (timidity->sinkpad);
return;
}
error:
{
GST_ELEMENT_ERROR (timidity, STREAM, FAILED,
("Internal data stream error"),
("Streaming stopped, reason %s", gst_flow_get_name (ret)));
gst_pad_push_event (timidity->srcpad, gst_event_new_eos ());
goto paused;
}
}
void test_buffer_clipping_samples()
{
GstSegment s;
GstBuffer *buf;
GstBuffer *ret;
guint8 *data;
xmlfile = "test_buffer_clipping_samples";
std_log(LOG_FILENAME_LINE, "Test Started test_buffer_clipping_samples");
/* Clip start and end */
buf = gst_buffer_new ();
data = (guint8 *) g_malloc (1000);
GST_BUFFER_SIZE (buf) = 1000;
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
gst_segment_init (&s, GST_FORMAT_DEFAULT);
gst_segment_set_newsegment (&s, FALSE, 1.0, GST_FORMAT_DEFAULT, 400,
800, 400);
GST_BUFFER_TIMESTAMP (buf) = 2 * GST_SECOND;
GST_BUFFER_DURATION (buf) = 10 * GST_SECOND;
GST_BUFFER_OFFSET (buf) = 200;
GST_BUFFER_OFFSET_END (buf) = 1200;
ret = gst_audio_buffer_clip (buf, &s, 100, 1);
fail_unless (ret != NULL);
fail_unless (GST_BUFFER_TIMESTAMP (ret) == 4 * GST_SECOND);
fail_unless (GST_BUFFER_DURATION (ret) == 4 * GST_SECOND);
fail_unless (GST_BUFFER_OFFSET (ret) == 400);
fail_unless (GST_BUFFER_OFFSET_END (ret) == 800);
fail_unless (GST_BUFFER_DATA (ret) == data + 200);
fail_unless (GST_BUFFER_SIZE (ret) == 400);
gst_buffer_unref (ret);
/* Clip only start */
buf = gst_buffer_new ();
data = (guint8 *) g_malloc (1000);
GST_BUFFER_SIZE (buf) = 1000;
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
gst_segment_init (&s, GST_FORMAT_DEFAULT);
gst_segment_set_newsegment (&s, FALSE, 1.0, GST_FORMAT_DEFAULT, 400,
1200, 400);
GST_BUFFER_TIMESTAMP (buf) = 2 * GST_SECOND;
GST_BUFFER_DURATION (buf) = 10 * GST_SECOND;
GST_BUFFER_OFFSET (buf) = 200;
GST_BUFFER_OFFSET_END (buf) = 1200;
ret = gst_audio_buffer_clip (buf, &s, 100, 1);
fail_unless (ret != NULL);
fail_unless (GST_BUFFER_TIMESTAMP (ret) == 4 * GST_SECOND);
fail_unless (GST_BUFFER_DURATION (ret) == 8 * GST_SECOND);
fail_unless (GST_BUFFER_OFFSET (ret) == 400);
fail_unless (GST_BUFFER_OFFSET_END (ret) == 1200);
fail_unless (GST_BUFFER_DATA (ret) == data + 200);
fail_unless (GST_BUFFER_SIZE (ret) == 800);
gst_buffer_unref (ret);
/* Clip only stop */
buf = gst_buffer_new ();
data = (guint8 *) g_malloc (1000);
GST_BUFFER_SIZE (buf) = 1000;
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
gst_segment_init (&s, GST_FORMAT_DEFAULT);
gst_segment_set_newsegment (&s, FALSE, 1.0, GST_FORMAT_DEFAULT, 200,
1000, 200);
GST_BUFFER_TIMESTAMP (buf) = 2 * GST_SECOND;
GST_BUFFER_DURATION (buf) = 10 * GST_SECOND;
GST_BUFFER_OFFSET (buf) = 200;
GST_BUFFER_OFFSET_END (buf) = 1200;
ret = gst_audio_buffer_clip (buf, &s, 100, 1);
fail_unless (ret != NULL);
fail_unless (GST_BUFFER_TIMESTAMP (ret) == 2 * GST_SECOND);
fail_unless (GST_BUFFER_DURATION (ret) == 8 * GST_SECOND);
fail_unless (GST_BUFFER_OFFSET (ret) == 200);
fail_unless (GST_BUFFER_OFFSET_END (ret) == 1000);
fail_unless (GST_BUFFER_DATA (ret) == data);
fail_unless (GST_BUFFER_SIZE (ret) == 800);
gst_buffer_unref (ret);
/* Buffer outside segment */
buf = gst_buffer_new ();
data = (guint8 *) g_malloc (1000);
GST_BUFFER_SIZE (buf) = 1000;
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
gst_segment_init (&s, GST_FORMAT_DEFAULT);
gst_segment_set_newsegment (&s, FALSE, 1.0, GST_FORMAT_DEFAULT, 1200,
2000, 1200);
GST_BUFFER_TIMESTAMP (buf) = 2 * GST_SECOND;
GST_BUFFER_DURATION (buf) = 10 * GST_SECOND;
GST_BUFFER_OFFSET (buf) = 200;
GST_BUFFER_OFFSET_END (buf) = 1200;
ret = gst_audio_buffer_clip (buf, &s, 100, 1);
fail_unless (ret == NULL);
/* Clip start and end but don't touch duration and offset_end */
buf = gst_buffer_new ();
data = (guint8 *) g_malloc (1000);
GST_BUFFER_SIZE (buf) = 1000;
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
gst_segment_init (&s, GST_FORMAT_DEFAULT);
gst_segment_set_newsegment (&s, FALSE, 1.0, GST_FORMAT_DEFAULT, 400,
800, 400);
GST_BUFFER_TIMESTAMP (buf) = 2 * GST_SECOND;
GST_BUFFER_DURATION (buf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET (buf) = 200;
GST_BUFFER_OFFSET_END (buf) = GST_BUFFER_OFFSET_NONE;
ret = gst_audio_buffer_clip (buf, &s, 100, 1);
fail_unless (ret != NULL);
fail_unless (GST_BUFFER_TIMESTAMP (ret) == 4 * GST_SECOND);
fail_unless (GST_BUFFER_DURATION (ret) == GST_CLOCK_TIME_NONE);
fail_unless (GST_BUFFER_OFFSET (ret) == 400);
fail_unless (GST_BUFFER_OFFSET_END (ret) == GST_BUFFER_OFFSET_NONE);
fail_unless (GST_BUFFER_DATA (ret) == data + 200);
fail_unless (GST_BUFFER_SIZE (ret) == 400);
gst_buffer_unref (ret);
/* If the buffer has no offset it should assert()
* FIXME: check if return value is the same as the input buffer.
* probably can't be done because the assert() does a SIGABRT.
*/
buf = gst_buffer_new ();
data = (guint8 *) g_malloc (1000);
GST_BUFFER_SIZE (buf) = 1000;
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
gst_segment_init (&s, GST_FORMAT_DEFAULT);
gst_segment_set_newsegment (&s, FALSE, 1.0, GST_FORMAT_DEFAULT, 0, 10, 0);
GST_BUFFER_TIMESTAMP (buf) = 0 * GST_SECOND;
GST_BUFFER_DURATION (buf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET (buf) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (buf) = GST_BUFFER_OFFSET_NONE;
ASSERT_CRITICAL (ret = gst_audio_buffer_clip (buf, &s, 100, 1));
gst_buffer_unref (buf);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
static gboolean
gst_schro_dec_sink_event (GstPad *pad, GstEvent *event)
{
GstSchroDec *dec;
gboolean ret = FALSE;
dec = GST_SCHRO_DEC (gst_pad_get_parent(pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
//GST_ERROR("unhandled flush start");
ret = gst_pad_push_event (dec->srcpad, event);
break;
case GST_EVENT_FLUSH_STOP:
//GST_ERROR("unhandled flush stop");
gst_schro_dec_reset (dec);
ret = gst_pad_push_event (dec->srcpad, event);
break;
case GST_EVENT_EOS:
ret = gst_schro_dec_process_buffer (dec, NULL);
ret = gst_pad_push_event (dec->srcpad, event);
break;
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
GstFormat format;
gdouble rate;
gint64 start, stop, time;
gst_event_parse_new_segment (event, &update, &rate, &format, &start,
&stop, &time);
if (format != GST_FORMAT_TIME)
goto newseg_wrong_format;
if (rate <= 0.0)
goto newseg_wrong_rate;
GST_DEBUG("newsegment %lld %lld", start, time);
gst_segment_set_newsegment (&dec->segment, update, rate, format,
start, stop, time);
ret = gst_pad_push_event (dec->srcpad, event);
break;
}
default:
ret = gst_pad_push_event (dec->srcpad, event);
break;
}
done:
gst_object_unref (dec);
return ret;
newseg_wrong_format:
GST_DEBUG_OBJECT (dec, "received non TIME newsegment");
gst_event_unref (event);
goto done;
newseg_wrong_rate:
GST_DEBUG_OBJECT (dec, "negative rates not supported");
gst_event_unref (event);
goto done;
}
static GstFlowReturn
gst_mimenc_chain (GstPad * pad, GstBuffer * in)
{
GstMimEnc *mimenc;
GstBuffer *out_buf = NULL, *buf = NULL;
guchar *data;
gint buffer_size;
GstBuffer *header = NULL;
GstFlowReturn res = GST_FLOW_OK;
GstEvent *event = NULL;
gboolean keyframe;
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
mimenc = GST_MIMENC (gst_pad_get_parent (pad));
g_return_val_if_fail (GST_IS_MIMENC (mimenc), GST_FLOW_ERROR);
GST_OBJECT_LOCK (mimenc);
if (mimenc->segment.format == GST_FORMAT_UNDEFINED) {
GST_WARNING_OBJECT (mimenc, "No new-segment received,"
" initializing segment with time 0..-1");
gst_segment_init (&mimenc->segment, GST_FORMAT_TIME);
gst_segment_set_newsegment (&mimenc->segment,
FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
}
if (mimenc->enc == NULL) {
mimenc->enc = mimic_open ();
if (mimenc->enc == NULL) {
GST_WARNING_OBJECT (mimenc, "mimic_open error\n");
res = GST_FLOW_ERROR;
goto out_unlock;
}
if (!mimic_encoder_init (mimenc->enc, mimenc->res)) {
GST_WARNING_OBJECT (mimenc, "mimic_encoder_init error\n");
mimic_close (mimenc->enc);
mimenc->enc = NULL;
res = GST_FLOW_ERROR;
goto out_unlock;
}
if (!mimic_get_property (mimenc->enc, "buffer_size", &mimenc->buffer_size)) {
GST_WARNING_OBJECT (mimenc, "mimic_get_property('buffer_size') error\n");
mimic_close (mimenc->enc);
mimenc->enc = NULL;
res = GST_FLOW_ERROR;
goto out_unlock;
}
}
buf = in;
data = GST_BUFFER_DATA (buf);
out_buf = gst_buffer_new_and_alloc (mimenc->buffer_size);
GST_BUFFER_TIMESTAMP (out_buf) =
gst_segment_to_running_time (&mimenc->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buf));
mimenc->last_buffer = GST_BUFFER_TIMESTAMP (out_buf);
buffer_size = mimenc->buffer_size;
keyframe = (mimenc->frames % MAX_INTERFRAMES) == 0 ? TRUE : FALSE;
if (!mimic_encode_frame (mimenc->enc, data, GST_BUFFER_DATA (out_buf),
&buffer_size, keyframe)) {
GST_WARNING_OBJECT (mimenc, "mimic_encode_frame error\n");
gst_buffer_unref (out_buf);
gst_buffer_unref (buf);
res = GST_FLOW_ERROR;
goto out_unlock;
}
GST_BUFFER_SIZE (out_buf) = buffer_size;
GST_DEBUG_OBJECT (mimenc, "incoming buf size %d, encoded size %d",
GST_BUFFER_SIZE (buf), GST_BUFFER_SIZE (out_buf));
++mimenc->frames;
// now let's create that tcp header
header = gst_mimenc_create_tcp_header (mimenc, buffer_size,
GST_BUFFER_TIMESTAMP (out_buf), keyframe, FALSE);
if (!header) {
gst_buffer_unref (out_buf);
GST_DEBUG_OBJECT (mimenc, "header not created succesfully");
res = GST_FLOW_ERROR;
goto out_unlock;
}
if (mimenc->need_newsegment) {
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
mimenc->need_newsegment = FALSE;
}
GST_OBJECT_UNLOCK (mimenc);
if (event) {
if (!gst_pad_push_event (mimenc->srcpad, event))
GST_WARNING_OBJECT (mimenc, "Failed to push NEWSEGMENT event");
}
res = gst_pad_push (mimenc->srcpad, header);
if (res != GST_FLOW_OK) {
gst_buffer_unref (out_buf);
goto out;
}
res = gst_pad_push (mimenc->srcpad, out_buf);
out:
if (buf)
gst_buffer_unref (buf);
gst_object_unref (mimenc);
return res;
out_unlock:
GST_OBJECT_UNLOCK (mimenc);
goto out;
}
static gboolean
gst_sub_parse_sink_event (GstPad * pad, GstEvent * event)
{
GstSubParse *self = GST_SUBPARSE (gst_pad_get_parent (pad));
gboolean ret = FALSE;
GST_DEBUG ("Handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:{
/* Make sure the last subrip chunk is pushed out even
* if the file does not have an empty line at the end */
if (self->parser_type == GST_SUB_PARSE_FORMAT_SUBRIP ||
self->parser_type == GST_SUB_PARSE_FORMAT_TMPLAYER ||
self->parser_type == GST_SUB_PARSE_FORMAT_MPL2) {
GstBuffer *buf = gst_buffer_new_and_alloc (2 + 1);
GST_DEBUG ("EOS. Pushing remaining text (if any)");
GST_BUFFER_DATA (buf)[0] = '\n';
GST_BUFFER_DATA (buf)[1] = '\n';
GST_BUFFER_DATA (buf)[2] = '\0'; /* play it safe */
GST_BUFFER_SIZE (buf) = 2;
GST_BUFFER_OFFSET (buf) = self->offset;
gst_sub_parse_chain (pad, buf);
}
ret = gst_pad_event_default (pad, event);
break;
}
case GST_EVENT_NEWSEGMENT:
{
GstFormat format;
gdouble rate;
gint64 start, stop, time;
gboolean update;
gst_event_parse_new_segment (event, &update, &rate, &format, &start,
&stop, &time);
GST_DEBUG_OBJECT (self, "newsegment (%s)", gst_format_get_name (format));
if (format == GST_FORMAT_TIME) {
gst_segment_set_newsegment (&self->segment, update, rate, format,
start, stop, time);
} else {
/* if not time format, we'll either start with a 0 timestamp anyway or
* it's following a seek in which case we'll have saved the requested
* seek segment and don't want to overwrite it (remember that on a seek
* we always just seek back to the start in BYTES format and just throw
* away all text that's before the requested position; if the subtitles
* come from an upstream demuxer, it won't be able to handle our BYTES
* seek request and instead send us a newsegment from the seek request
* it received via its video pads instead, so all is fine then too) */
}
ret = TRUE;
gst_event_unref (event);
break;
}
case GST_EVENT_FLUSH_START:
{
self->flushing = TRUE;
ret = gst_pad_event_default (pad, event);
break;
}
case GST_EVENT_FLUSH_STOP:
{
self->flushing = FALSE;
ret = gst_pad_event_default (pad, event);
break;
}
default:
ret = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (self);
return ret;
}
static GstFlowReturn
gst_live_live_adder_chain (GstPad * pad, GstBuffer * buffer)
{
GstLiveAdder *adder = GST_LIVE_ADDER (gst_pad_get_parent_element (pad));
GstLiveAdderPadPrivate *padprivate = NULL;
GstFlowReturn ret = GST_FLOW_OK;
GList *item = NULL;
GstClockTime skip = 0;
gint64 drift = 0; /* Positive if new buffer after old buffer */
GST_OBJECT_LOCK (adder);
ret = adder->srcresult;
GST_DEBUG ("Incoming buffer time:%" GST_TIME_FORMAT " duration:%"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)));
if (ret != GST_FLOW_OK) {
GST_DEBUG_OBJECT (adder, "Passing non-ok result from src: %s",
gst_flow_get_name (ret));
gst_buffer_unref (buffer);
goto out;
}
padprivate = gst_pad_get_element_private (pad);
if (!padprivate) {
ret = GST_FLOW_NOT_LINKED;
gst_buffer_unref (buffer);
goto out;
}
if (padprivate->eos) {
GST_DEBUG_OBJECT (adder, "Received buffer after EOS");
ret = GST_FLOW_UNEXPECTED;
gst_buffer_unref (buffer);
goto out;
}
if (!GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
goto invalid_timestamp;
if (padprivate->segment.format == GST_FORMAT_UNDEFINED) {
GST_WARNING_OBJECT (adder, "No new-segment received,"
" initializing segment with time 0..-1");
gst_segment_init (&padprivate->segment, GST_FORMAT_TIME);
gst_segment_set_newsegment (&padprivate->segment,
FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
}
if (padprivate->segment.format != GST_FORMAT_TIME)
goto invalid_segment;
buffer = gst_buffer_make_metadata_writable (buffer);
drift = GST_BUFFER_TIMESTAMP (buffer) - padprivate->expected_timestamp;
/* Just see if we receive invalid timestamp/durations */
if (GST_CLOCK_TIME_IS_VALID (padprivate->expected_timestamp) &&
!GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT) &&
(drift != 0)) {
GST_LOG_OBJECT (adder,
"Timestamp discontinuity without the DISCONT flag set"
" (expected %" GST_TIME_FORMAT ", got %" GST_TIME_FORMAT
" drift:%" G_GINT64_FORMAT "ms)",
GST_TIME_ARGS (padprivate->expected_timestamp),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)), drift / GST_MSECOND);
/* We accept drifts of 10ms */
if (ABS (drift) < (10 * GST_MSECOND)) {
GST_DEBUG ("Correcting minor drift");
GST_BUFFER_TIMESTAMP (buffer) = padprivate->expected_timestamp;
}
}
/* If there is no duration, lets set one */
if (!GST_BUFFER_DURATION_IS_VALID (buffer)) {
GST_BUFFER_DURATION (buffer) =
gst_audio_duration_from_pad_buffer (pad, buffer);
padprivate->expected_timestamp = GST_CLOCK_TIME_NONE;
} else {
padprivate->expected_timestamp = GST_BUFFER_TIMESTAMP (buffer) +
GST_BUFFER_DURATION (buffer);
}
/*
* Lets clip the buffer to the segment (so we don't have to worry about
* cliping afterwards).
* This should also guarantee us that we'll have valid timestamps and
* durations afterwards
*/
buffer = gst_audio_buffer_clip (buffer, &padprivate->segment, adder->rate,
adder->bps);
/* buffer can be NULL if it's completely outside of the segment */
if (!buffer) {
GST_DEBUG ("Buffer completely outside of configured segment, dropping it");
goto out;
}
/*
* Make sure all incoming buffers share the same timestamping
*/
GST_BUFFER_TIMESTAMP (buffer) =
gst_segment_to_running_time (&padprivate->segment,
padprivate->segment.format, GST_BUFFER_TIMESTAMP (buffer));
if (GST_CLOCK_TIME_IS_VALID (adder->next_timestamp) &&
GST_BUFFER_TIMESTAMP (buffer) < adder->next_timestamp) {
if (GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer) <
adder->next_timestamp) {
GST_DEBUG_OBJECT (adder, "Buffer is late, dropping (ts: %" GST_TIME_FORMAT
" duration: %" GST_TIME_FORMAT ")",
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)));
gst_buffer_unref (buffer);
goto out;
} else {
skip = adder->next_timestamp - GST_BUFFER_TIMESTAMP (buffer);
GST_DEBUG_OBJECT (adder, "Buffer is partially late, skipping %"
GST_TIME_FORMAT, GST_TIME_ARGS (skip));
}
}
/* If our new buffer's head is higher than the queue's head, lets wake up,
* we may not have to wait for as long
*/
if (adder->clock_id &&
g_queue_peek_head (adder->buffers) != NULL &&
GST_BUFFER_TIMESTAMP (buffer) + skip <
GST_BUFFER_TIMESTAMP (g_queue_peek_head (adder->buffers)))
gst_clock_id_unschedule (adder->clock_id);
for (item = g_queue_peek_head_link (adder->buffers);
item; item = g_list_next (item)) {
GstBuffer *oldbuffer = item->data;
GstClockTime old_skip = 0;
GstClockTime mix_duration = 0;
GstClockTime mix_start = 0;
GstClockTime mix_end = 0;
/* We haven't reached our place yet */
if (GST_BUFFER_TIMESTAMP (buffer) + skip >=
GST_BUFFER_TIMESTAMP (oldbuffer) + GST_BUFFER_DURATION (oldbuffer))
continue;
/* We're past our place, lets insert ouselves here */
if (GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer) <=
GST_BUFFER_TIMESTAMP (oldbuffer))
break;
/* if we reach this spot, we have overlap, so we must mix */
/* First make a subbuffer with the non-overlapping part */
if (GST_BUFFER_TIMESTAMP (buffer) + skip < GST_BUFFER_TIMESTAMP (oldbuffer)) {
GstBuffer *subbuffer = NULL;
GstClockTime subbuffer_duration = GST_BUFFER_TIMESTAMP (oldbuffer) -
(GST_BUFFER_TIMESTAMP (buffer) + skip);
subbuffer = gst_buffer_create_sub (buffer,
gst_live_adder_length_from_duration (adder, skip),
gst_live_adder_length_from_duration (adder, subbuffer_duration));
GST_BUFFER_TIMESTAMP (subbuffer) = GST_BUFFER_TIMESTAMP (buffer) + skip;
GST_BUFFER_DURATION (subbuffer) = subbuffer_duration;
skip += subbuffer_duration;
g_queue_insert_before (adder->buffers, item, subbuffer);
}
/* Now we are on the overlapping part */
oldbuffer = gst_buffer_make_writable (oldbuffer);
item->data = oldbuffer;
old_skip = GST_BUFFER_TIMESTAMP (buffer) + skip -
GST_BUFFER_TIMESTAMP (oldbuffer);
mix_start = GST_BUFFER_TIMESTAMP (oldbuffer) + old_skip;
if (GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer) <
GST_BUFFER_TIMESTAMP (oldbuffer) + GST_BUFFER_DURATION (oldbuffer))
mix_end = GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer);
else
mix_end = GST_BUFFER_TIMESTAMP (oldbuffer) +
GST_BUFFER_DURATION (oldbuffer);
mix_duration = mix_end - mix_start;
adder->func (GST_BUFFER_DATA (oldbuffer) +
gst_live_adder_length_from_duration (adder, old_skip),
GST_BUFFER_DATA (buffer) +
gst_live_adder_length_from_duration (adder, skip),
gst_live_adder_length_from_duration (adder, mix_duration));
skip += mix_duration;
}
g_cond_broadcast (adder->not_empty_cond);
if (skip == GST_BUFFER_DURATION (buffer)) {
gst_buffer_unref (buffer);
} else {
if (skip) {
GstClockTime subbuffer_duration = GST_BUFFER_DURATION (buffer) - skip;
GstClockTime subbuffer_ts = GST_BUFFER_TIMESTAMP (buffer) + skip;
GstBuffer *new_buffer = gst_buffer_create_sub (buffer,
gst_live_adder_length_from_duration (adder, skip),
gst_live_adder_length_from_duration (adder, subbuffer_duration));
gst_buffer_unref (buffer);
buffer = new_buffer;
GST_BUFFER_TIMESTAMP (buffer) = subbuffer_ts;
GST_BUFFER_DURATION (buffer) = subbuffer_duration;
}
if (item)
g_queue_insert_before (adder->buffers, item, buffer);
else
g_queue_push_tail (adder->buffers, buffer);
}
out:
GST_OBJECT_UNLOCK (adder);
gst_object_unref (adder);
return ret;
invalid_timestamp:
GST_OBJECT_UNLOCK (adder);
gst_buffer_unref (buffer);
GST_ELEMENT_ERROR (adder, STREAM, FAILED,
("Buffer without a valid timestamp received"),
("Invalid timestamp received on buffer"));
return GST_FLOW_ERROR;
invalid_segment:
{
const gchar *format = gst_format_get_name (padprivate->segment.format);
GST_OBJECT_UNLOCK (adder);
gst_buffer_unref (buffer);
GST_ELEMENT_ERROR (adder, STREAM, FAILED,
("This element only supports TIME segments, received other type"),
("Received a segment of type %s, only support time segment", format));
return GST_FLOW_ERROR;
}
}
static gboolean
gst_base_video_codec_sink_event (GstPad * pad, GstEvent * event)
{
GstBaseVideoCodec *base_video_codec;
gboolean ret = FALSE;
base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
ret = gst_pad_push_event (base_video_codec->srcpad, event);
break;
case GST_EVENT_FLUSH_STOP:
gst_base_video_codec_reset (base_video_codec);
ret = gst_pad_push_event (base_video_codec->srcpad, event);
break;
case GST_EVENT_EOS:
if (gst_base_video_codec_push_all (base_video_codec,
FALSE) == GST_FLOW_ERROR) {
gst_event_unref (event);
return FALSE;
}
ret = gst_pad_push_event (base_video_codec->srcpad, event);
break;
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
GstFormat format;
gdouble rate;
gint64 start, stop, time;
gst_event_parse_new_segment (event, &update, &rate, &format, &start,
&stop, &time);
if (format != GST_FORMAT_TIME)
goto newseg_wrong_format;
if (rate <= 0.0)
goto newseg_wrong_rate;
GST_DEBUG ("newsegment %" GST_TIME_FORMAT " %" GST_TIME_FORMAT,
GST_TIME_ARGS (start), GST_TIME_ARGS (time));
gst_segment_set_newsegment (&base_video_codec->state.segment, update,
rate, format, start, stop, time);
ret = gst_pad_push_event (base_video_codec->srcpad, event);
break;
}
default:
ret = gst_pad_push_event (base_video_codec->srcpad, event);
break;
}
done:
gst_object_unref (base_video_codec);
return ret;
newseg_wrong_format:
GST_DEBUG_OBJECT (base_video_codec, "received non TIME newsegment");
gst_event_unref (event);
goto done;
newseg_wrong_rate:
GST_DEBUG_OBJECT (base_video_codec, "negative rates not supported");
gst_event_unref (event);
goto done;
}
static gboolean
gst_a52dec_sink_event (GstPad * pad, GstEvent * event)
{
GstA52Dec *a52dec = GST_A52DEC (gst_pad_get_parent (pad));
gboolean ret = FALSE;
GST_LOG ("Handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
{
GstFormat fmt;
gboolean update;
gint64 start, end, pos;
gdouble rate, arate;
gst_event_parse_new_segment_full (event, &update, &rate, &arate, &fmt,
&start, &end, &pos);
/* drain queued buffers before activating the segment so that we can clip
* against the old segment first */
gst_a52dec_drain (a52dec);
if (fmt != GST_FORMAT_TIME || !GST_CLOCK_TIME_IS_VALID (start)) {
GST_WARNING ("No time in newsegment event %p (format is %s)",
event, gst_format_get_name (fmt));
gst_event_unref (event);
a52dec->sent_segment = FALSE;
/* set some dummy values, FIXME: do proper conversion */
a52dec->time = start = pos = 0;
fmt = GST_FORMAT_TIME;
end = -1;
} else {
a52dec->time = start;
a52dec->sent_segment = TRUE;
GST_DEBUG_OBJECT (a52dec,
"Pushing newseg rate %g, applied rate %g, format %d, start %"
G_GINT64_FORMAT ", stop %" G_GINT64_FORMAT ", pos %"
G_GINT64_FORMAT, rate, arate, fmt, start, end, time);
ret = gst_pad_push_event (a52dec->srcpad, event);
}
gst_segment_set_newsegment (&a52dec->segment, update, rate, fmt, start,
end, pos);
break;
}
case GST_EVENT_TAG:
ret = gst_pad_push_event (a52dec->srcpad, event);
break;
case GST_EVENT_EOS:
gst_a52dec_drain (a52dec);
ret = gst_pad_push_event (a52dec->srcpad, event);
break;
case GST_EVENT_FLUSH_START:
ret = gst_pad_push_event (a52dec->srcpad, event);
break;
case GST_EVENT_FLUSH_STOP:
if (a52dec->cache) {
gst_buffer_unref (a52dec->cache);
a52dec->cache = NULL;
}
clear_queued (a52dec);
gst_segment_init (&a52dec->segment, GST_FORMAT_UNDEFINED);
ret = gst_pad_push_event (a52dec->srcpad, event);
break;
default:
ret = gst_pad_push_event (a52dec->srcpad, event);
break;
}
gst_object_unref (a52dec);
return ret;
}
