static gboolean
_unresponsive_timeout (GstClock * clock, GstClockTime time, GstClockID id,
gpointer user_data)
{
GstAggregatorPad *aggpad;
GstAggregator *self;
if (user_data == NULL)
return FALSE;
aggpad = GST_AGGREGATOR_PAD (user_data);
/* avoid holding the last reference to the parent element here */
PAD_LOCK_EVENT (aggpad);
self = GST_AGGREGATOR (gst_pad_get_parent (GST_PAD (aggpad)));
GST_DEBUG_OBJECT (aggpad, "marked unresponsive");
g_atomic_int_set (&aggpad->unresponsive, TRUE);
if (self) {
QUEUE_PUSH (self);
gst_object_unref (self);
}
PAD_UNLOCK_EVENT (aggpad);
return TRUE;
}
static gboolean
event_forward_func (GstPad * pad, EventData * evdata)
{
gboolean ret = TRUE;
GstPad *peer = gst_pad_get_peer (pad);
GstAggregatorPadPrivate *padpriv = GST_AGGREGATOR_PAD (pad)->priv;
if (peer) {
ret = gst_pad_send_event (peer, gst_event_ref (evdata->event));
GST_DEBUG_OBJECT (pad, "return of event push is %d", ret);
gst_object_unref (peer);
}
evdata->result &= ret;
if (ret == FALSE) {
if (GST_EVENT_TYPE (evdata->event) == GST_EVENT_SEEK)
GST_ERROR_OBJECT (pad, "Event %" GST_PTR_FORMAT " failed", evdata->event);
else
GST_INFO_OBJECT (pad, "Event %" GST_PTR_FORMAT " failed", evdata->event);
if (evdata->flush) {
padpriv->pending_flush_start = FALSE;
padpriv->pending_flush_stop = FALSE;
}
}
/* Always send to all pads */
return FALSE;
}
static gboolean
pad_event_func (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (parent);
return klass->sink_event (GST_AGGREGATOR (parent),
GST_AGGREGATOR_PAD (pad), event);
}
static gboolean
pad_query_func (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstAggregatorClass *klass = GST_AGGREGATOR_GET_CLASS (parent);
return klass->sink_query (GST_AGGREGATOR (parent),
GST_AGGREGATOR_PAD (pad), query);
}
static GstFlowReturn
_chain (GstPad * pad, GstObject * object, GstBuffer * buffer)
{
GstBuffer *actual_buf = buffer;
GstAggregator *self = GST_AGGREGATOR (object);
GstAggregatorPrivate *priv = self->priv;
GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
GstAggregatorClass *aggclass = GST_AGGREGATOR_GET_CLASS (object);
GST_DEBUG_OBJECT (aggpad, "Start chaining a buffer %" GST_PTR_FORMAT, buffer);
if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
goto flushing;
if (g_atomic_int_get (&aggpad->priv->pending_eos) == TRUE)
goto eos;
PAD_LOCK_EVENT (aggpad);
if (aggpad->buffer) {
GST_DEBUG_OBJECT (aggpad, "Waiting for buffer to be consumed");
PAD_WAIT_EVENT (aggpad);
}
PAD_UNLOCK_EVENT (aggpad);
if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
goto flushing;
if (aggclass->clip) {
aggclass->clip (self, aggpad, buffer, &actual_buf);
}
PAD_LOCK_EVENT (aggpad);
if (aggpad->buffer)
gst_buffer_unref (aggpad->buffer);
aggpad->buffer = actual_buf;
PAD_UNLOCK_EVENT (aggpad);
_add_aggregate_gsource (self);
GST_DEBUG_OBJECT (aggpad, "Done chaining");
return priv->flow_return;
flushing:
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (aggpad, "We are flushing");
return GST_FLOW_FLUSHING;
eos:
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (pad, "We are EOS already...");
return GST_FLOW_EOS;
}
static gboolean
event_forward_func (GstPad * pad, EventData * evdata)
{
gboolean ret = TRUE;
GstPad *peer = gst_pad_get_peer (pad);
GstAggregatorPadPrivate *padpriv = GST_AGGREGATOR_PAD (pad)->priv;
if (peer) {
ret = gst_pad_send_event (peer, gst_event_ref (evdata->event));
GST_DEBUG_OBJECT (pad, "return of event push is %d", ret);
gst_object_unref (peer);
}
if (ret == FALSE) {
if (GST_EVENT_TYPE (evdata->event) == GST_EVENT_SEEK)
GST_ERROR_OBJECT (pad, "Event %" GST_PTR_FORMAT " failed", evdata->event);
if (GST_EVENT_TYPE (evdata->event) == GST_EVENT_SEEK) {
GstQuery *seeking = gst_query_new_seeking (GST_FORMAT_TIME);
if (gst_pad_query (peer, seeking)) {
gboolean seekable;
gst_query_parse_seeking (seeking, NULL, &seekable, NULL, NULL);
if (seekable == FALSE) {
GST_INFO_OBJECT (pad,
"Source not seekable, We failed but it does not matter!");
ret = TRUE;
}
} else {
GST_ERROR_OBJECT (pad, "Query seeking FAILED");
}
}
if (evdata->flush) {
padpriv->pending_flush_start = FALSE;
padpriv->pending_flush_stop = FALSE;
}
} else {
evdata->one_actually_seeked = TRUE;
}
evdata->result &= ret;
/* Always send to all pads */
return FALSE;
}
static void
_release_pad (GstElement * element, GstPad * pad)
{
GstBuffer *tmpbuf;
GstAggregator *self = GST_AGGREGATOR (element);
GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
GST_INFO_OBJECT (pad, "Removing pad");
g_atomic_int_set (&aggpad->priv->flushing, TRUE);
tmpbuf = gst_aggregator_pad_steal_buffer (aggpad);
gst_buffer_replace (&tmpbuf, NULL);
gst_element_remove_pad (element, pad);
/* Something changed make sure we try to aggregate */
_add_aggregate_gsource (self);
}
static gboolean
pad_activate_mode_func (GstPad * pad,
GstObject * parent, GstPadMode mode, gboolean active)
{
GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
if (active == FALSE) {
PAD_LOCK_EVENT (aggpad);
g_atomic_int_set (&aggpad->priv->flushing, TRUE);
gst_buffer_replace (&aggpad->buffer, NULL);
PAD_BROADCAST_EVENT (aggpad);
PAD_UNLOCK_EVENT (aggpad);
} else {
g_atomic_int_set (&aggpad->priv->flushing, FALSE);
PAD_LOCK_EVENT (aggpad);
PAD_BROADCAST_EVENT (aggpad);
PAD_UNLOCK_EVENT (aggpad);
}
return TRUE;
}
static gboolean
sync_pad_values (GstAudioAggregator * aagg, GstAudioAggregatorPad * pad)
{
GstAggregatorPad *bpad = GST_AGGREGATOR_PAD (pad);
GstClockTime timestamp, stream_time;
if (pad->priv->buffer == NULL)
return TRUE;
timestamp = GST_BUFFER_PTS (pad->priv->buffer);
GST_OBJECT_LOCK (bpad);
stream_time = gst_segment_to_stream_time (&bpad->segment, GST_FORMAT_TIME,
timestamp);
GST_OBJECT_UNLOCK (bpad);
/* sync object properties on stream time */
/* TODO: Ideally we would want to do that on every sample */
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (GST_OBJECT (pad), stream_time);
return TRUE;
}
static GstAggregatorPad *
gst_mxf_mux_create_new_pad (GstAggregator * aggregator,
GstPadTemplate * templ, const gchar * pad_name, const GstCaps * caps)
{
GstMXFMux *mux = GST_MXF_MUX (aggregator);
GstMXFMuxPad *pad;
guint pad_number;
gchar *name = NULL;
const MXFEssenceElementWriter *writer;
if (mux->state != GST_MXF_MUX_STATE_HEADER) {
GST_WARNING_OBJECT (mux, "Can't request pads after writing header");
return NULL;
}
writer = mxf_essence_element_writer_find (templ);
if (!writer) {
GST_ERROR_OBJECT (mux, "Not our template");
return NULL;
}
pad_number = g_atomic_int_add ((gint *) & mux->n_pads, 1);
name = gst_mxf_mux_create_pad_name (templ, pad_number);
GST_DEBUG_OBJECT (mux, "Creating pad '%s'", name);
pad =
g_object_new (GST_TYPE_MXF_MUX_PAD, "name", name, "direction",
GST_PAD_SINK, "template", templ, NULL);
g_free (name);
pad->last_timestamp = 0;
pad->adapter = gst_adapter_new ();
pad->writer = writer;
gst_pad_use_fixed_caps (GST_PAD_CAST (pad));
return GST_AGGREGATOR_PAD (pad);
}
static GstFlowReturn
_chain (GstPad * pad, GstObject * object, GstBuffer * buffer)
{
GstBuffer *actual_buf = buffer;
GstAggregator *self = GST_AGGREGATOR (object);
GstAggregatorPrivate *priv = self->priv;
GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
GstAggregatorClass *aggclass = GST_AGGREGATOR_GET_CLASS (object);
GstClockTime timeout = gst_aggregator_get_timeout (self);
GstClockTime now;
GST_DEBUG_OBJECT (aggpad, "Start chaining a buffer %" GST_PTR_FORMAT, buffer);
if (aggpad->priv->timeout_id) {
gst_clock_id_unschedule (aggpad->priv->timeout_id);
gst_clock_id_unref (aggpad->priv->timeout_id);
aggpad->priv->timeout_id = NULL;
}
g_atomic_int_set (&aggpad->unresponsive, FALSE);
PAD_STREAM_LOCK (aggpad);
if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
goto flushing;
if (g_atomic_int_get (&aggpad->priv->pending_eos) == TRUE)
goto eos;
PAD_LOCK_EVENT (aggpad);
if (aggpad->buffer) {
GST_DEBUG_OBJECT (aggpad, "Waiting for buffer to be consumed");
PAD_WAIT_EVENT (aggpad);
}
PAD_UNLOCK_EVENT (aggpad);
if (g_atomic_int_get (&aggpad->priv->flushing) == TRUE)
goto flushing;
if (aggclass->clip) {
aggclass->clip (self, aggpad, buffer, &actual_buf);
}
PAD_LOCK_EVENT (aggpad);
if (aggpad->buffer)
gst_buffer_unref (aggpad->buffer);
aggpad->buffer = actual_buf;
PAD_UNLOCK_EVENT (aggpad);
PAD_STREAM_UNLOCK (aggpad);
QUEUE_PUSH (self);
if (GST_CLOCK_TIME_IS_VALID (timeout)) {
now = gst_clock_get_time (self->clock);
aggpad->priv->timeout_id =
gst_clock_new_single_shot_id (self->clock, now + timeout);
gst_clock_id_wait_async (aggpad->priv->timeout_id, _unresponsive_timeout,
gst_object_ref (aggpad), gst_object_unref);
}
GST_DEBUG_OBJECT (aggpad, "Done chaining");
return priv->flow_return;
flushing:
PAD_STREAM_UNLOCK (aggpad);
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (aggpad, "We are flushing");
return GST_FLOW_FLUSHING;
eos:
PAD_STREAM_UNLOCK (aggpad);
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (pad, "We are EOS already...");
return GST_FLOW_EOS;
}
/* Called with the object lock for both the element and pad held,
* as well as the aagg lock
*/
static gboolean
gst_audio_aggregator_fill_buffer (GstAudioAggregator * aagg,
GstAudioAggregatorPad * pad, GstBuffer * inbuf)
{
GstClockTime start_time, end_time;
gboolean discont = FALSE;
guint64 start_offset, end_offset;
gint rate, bpf;
GstAggregator *agg = GST_AGGREGATOR (aagg);
GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
g_assert (pad->priv->buffer == NULL);
rate = GST_AUDIO_INFO_RATE (&pad->info);
bpf = GST_AUDIO_INFO_BPF (&pad->info);
pad->priv->position = 0;
pad->priv->size = gst_buffer_get_size (inbuf) / bpf;
if (!GST_BUFFER_PTS_IS_VALID (inbuf)) {
if (pad->priv->output_offset == -1)
pad->priv->output_offset = aagg->priv->offset;
if (pad->priv->next_offset == -1)
pad->priv->next_offset = pad->priv->size;
else
pad->priv->next_offset += pad->priv->size;
goto done;
}
start_time = GST_BUFFER_PTS (inbuf);
end_time =
start_time + gst_util_uint64_scale_ceil (pad->priv->size, GST_SECOND,
rate);
/* Clipping should've ensured this */
g_assert (start_time >= aggpad->segment.start);
start_offset =
gst_util_uint64_scale (start_time - aggpad->segment.start, rate,
GST_SECOND);
end_offset = start_offset + pad->priv->size;
if (GST_BUFFER_IS_DISCONT (inbuf)
|| GST_BUFFER_FLAG_IS_SET (inbuf, GST_BUFFER_FLAG_RESYNC)
|| pad->priv->new_segment || pad->priv->next_offset == -1) {
discont = TRUE;
pad->priv->new_segment = FALSE;
} else {
guint64 diff, max_sample_diff;
/* Check discont, based on audiobasesink */
if (start_offset <= pad->priv->next_offset)
diff = pad->priv->next_offset - start_offset;
else
diff = start_offset - pad->priv->next_offset;
max_sample_diff =
gst_util_uint64_scale_int (aagg->priv->alignment_threshold, rate,
GST_SECOND);
/* Discont! */
if (G_UNLIKELY (diff >= max_sample_diff)) {
if (aagg->priv->discont_wait > 0) {
if (pad->priv->discont_time == GST_CLOCK_TIME_NONE) {
pad->priv->discont_time = start_time;
} else if (start_time - pad->priv->discont_time >=
aagg->priv->discont_wait) {
discont = TRUE;
pad->priv->discont_time = GST_CLOCK_TIME_NONE;
}
} else {
discont = TRUE;
}
} else if (G_UNLIKELY (pad->priv->discont_time != GST_CLOCK_TIME_NONE)) {
/* we have had a discont, but are now back on track! */
pad->priv->discont_time = GST_CLOCK_TIME_NONE;
}
}
if (discont) {
/* Have discont, need resync */
if (pad->priv->next_offset != -1)
GST_INFO_OBJECT (pad, "Have discont. Expected %"
G_GUINT64_FORMAT ", got %" G_GUINT64_FORMAT,
pad->priv->next_offset, start_offset);
pad->priv->output_offset = -1;
pad->priv->next_offset = end_offset;
} else {
pad->priv->next_offset += pad->priv->size;
}
if (pad->priv->output_offset == -1) {
GstClockTime start_running_time;
GstClockTime end_running_time;
guint64 start_output_offset;
guint64 end_output_offset;
start_running_time =
gst_segment_to_running_time (&aggpad->segment,
GST_FORMAT_TIME, start_time);
end_running_time =
gst_segment_to_running_time (&aggpad->segment,
GST_FORMAT_TIME, end_time);
/* Convert to position in the output segment */
start_output_offset =
gst_segment_to_position (&agg->segment, GST_FORMAT_TIME,
start_running_time);
if (start_output_offset != -1)
start_output_offset =
gst_util_uint64_scale (start_output_offset - agg->segment.start, rate,
GST_SECOND);
end_output_offset =
gst_segment_to_position (&agg->segment, GST_FORMAT_TIME,
end_running_time);
if (end_output_offset != -1)
end_output_offset =
gst_util_uint64_scale (end_output_offset - agg->segment.start, rate,
GST_SECOND);
if (start_output_offset == -1 && end_output_offset == -1) {
/* Outside output segment, drop */
gst_buffer_unref (inbuf);
pad->priv->buffer = NULL;
pad->priv->position = 0;
pad->priv->size = 0;
pad->priv->output_offset = -1;
GST_DEBUG_OBJECT (pad, "Buffer outside output segment");
return FALSE;
}
/* Calculate end_output_offset if it was outside the output segment */
if (end_output_offset == -1)
end_output_offset = start_output_offset + pad->priv->size;
if (end_output_offset < aagg->priv->offset) {
/* Before output segment, drop */
gst_buffer_unref (inbuf);
pad->priv->buffer = NULL;
pad->priv->position = 0;
pad->priv->size = 0;
pad->priv->output_offset = -1;
GST_DEBUG_OBJECT (pad,
"Buffer before segment or current position: %" G_GUINT64_FORMAT " < %"
G_GINT64_FORMAT, end_output_offset, aagg->priv->offset);
return FALSE;
}
if (start_output_offset == -1 || start_output_offset < aagg->priv->offset) {
guint diff;
if (start_output_offset == -1 && end_output_offset < pad->priv->size) {
diff = pad->priv->size - end_output_offset + aagg->priv->offset;
} else if (start_output_offset == -1) {
start_output_offset = end_output_offset - pad->priv->size;
if (start_output_offset < aagg->priv->offset)
diff = aagg->priv->offset - start_output_offset;
else
diff = 0;
} else {
diff = aagg->priv->offset - start_output_offset;
}
pad->priv->position += diff;
if (pad->priv->position >= pad->priv->size) {
/* Empty buffer, drop */
gst_buffer_unref (inbuf);
pad->priv->buffer = NULL;
pad->priv->position = 0;
pad->priv->size = 0;
pad->priv->output_offset = -1;
GST_DEBUG_OBJECT (pad,
"Buffer before segment or current position: %" G_GUINT64_FORMAT
" < %" G_GINT64_FORMAT, end_output_offset, aagg->priv->offset);
return FALSE;
}
}
if (start_output_offset == -1 || start_output_offset < aagg->priv->offset)
pad->priv->output_offset = aagg->priv->offset;
else
pad->priv->output_offset = start_output_offset;
GST_DEBUG_OBJECT (pad,
"Buffer resynced: Pad offset %" G_GUINT64_FORMAT
", current audio aggregator offset %" G_GINT64_FORMAT,
pad->priv->output_offset, aagg->priv->offset);
}
done:
GST_LOG_OBJECT (pad,
"Queued new buffer at offset %" G_GUINT64_FORMAT,
pad->priv->output_offset);
pad->priv->buffer = inbuf;
return TRUE;
}
static GstFlowReturn
gst_mxf_mux_create_metadata (GstMXFMux * mux)
{
GstFlowReturn ret = GST_FLOW_OK;
GList *l;
GArray *tmp;
GST_DEBUG_OBJECT (mux, "Creating MXF metadata");
GST_OBJECT_LOCK (mux);
for (l = GST_ELEMENT_CAST (mux)->sinkpads; l; l = l->next) {
GstMXFMuxPad *pad = l->data;
GstCaps *caps;
GstBuffer *buffer;
if (!pad || !pad->descriptor) {
GST_OBJECT_UNLOCK (mux);
return GST_FLOW_ERROR;
}
caps = gst_pad_get_current_caps (GST_PAD_CAST (pad));
if (!caps) {
GST_OBJECT_UNLOCK (mux);
return GST_FLOW_ERROR;
}
buffer = gst_aggregator_pad_get_buffer (GST_AGGREGATOR_PAD (pad));
if (pad->writer->update_descriptor)
pad->writer->update_descriptor (pad->descriptor,
caps, pad->mapping_data, buffer);
if (buffer)
gst_buffer_unref (buffer);
gst_caps_unref (caps);
}
/* Preface */
mux->preface =
(MXFMetadataPreface *) g_object_new (MXF_TYPE_METADATA_PREFACE, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (mux->preface)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (mux->preface)->instance_uid, mux->preface);
mux->metadata_list = g_list_prepend (mux->metadata_list, mux->preface);
mxf_timestamp_set_now (&mux->preface->last_modified_date);
mux->preface->version = 258;
mux->preface->object_model_version = 1;
mxf_op_set_generalized (&mux->preface->operational_pattern, MXF_OP_1a, TRUE,
TRUE, FALSE);
tmp = g_array_new (FALSE, FALSE, sizeof (MXFUL));
for (l = GST_ELEMENT_CAST (mux)->sinkpads; l; l = l->next) {
GstMXFMuxPad *pad = l->data;
guint i;
gboolean found = FALSE;
if (!pad || !pad->descriptor ||
mxf_ul_is_zero (&pad->descriptor->essence_container)) {
GST_OBJECT_UNLOCK (mux);
return GST_FLOW_ERROR;
}
for (i = 0; i < tmp->len; i++) {
if (mxf_ul_is_equal (&pad->descriptor->essence_container,
&g_array_index (tmp, MXFUL, i))) {
found = TRUE;
break;
}
}
if (found)
continue;
g_array_append_val (tmp, pad->descriptor->essence_container);
}
mux->preface->n_essence_containers = tmp->len;
mux->preface->essence_containers = (MXFUL *) g_array_free (tmp, FALSE);
/* This will later be used as UID for the material package */
mxf_uuid_init (&mux->preface->primary_package_uid, mux->metadata);
/* Identifications */
{
MXFMetadataIdentification *identification;
static const guint8 gst_uid[] = {
0xe5, 0xde, 0xcd, 0x04, 0x24, 0x90, 0x69, 0x18,
0x8a, 0xc9, 0xb5, 0xd7, 0x02, 0x58, 0x46, 0x78
};
guint major, minor, micro, nano;
mux->preface->n_identifications = 1;
mux->preface->identifications = g_new0 (MXFMetadataIdentification *, 1);
identification = mux->preface->identifications[0] =
(MXFMetadataIdentification *)
g_object_new (MXF_TYPE_METADATA_IDENTIFICATION, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (identification)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (identification)->instance_uid, identification);
mux->metadata_list = g_list_prepend (mux->metadata_list, identification);
mxf_uuid_init (&identification->this_generation_uid, NULL);
identification->company_name = g_strdup ("GStreamer");
identification->product_name = g_strdup ("GStreamer Multimedia Framework");
gst_version (&major, &minor, µ, &nano);
identification->product_version.major = major;
identification->product_version.minor = minor;
identification->product_version.patch = micro;
identification->product_version.build = nano;
identification->product_version.release =
(nano == 0) ? 1 : (nano == 1) ? 2 : 4;
identification->version_string =
g_strdup_printf ("%u.%u.%u.%u", major, minor, micro, nano);
memcpy (&identification->product_uid, &gst_uid, 16);
memcpy (&identification->modification_date,
&mux->preface->last_modified_date, sizeof (MXFTimestamp));
memcpy (&identification->toolkit_version, &identification->product_version,
sizeof (MXFProductVersion));
#ifdef HAVE_SYS_UTSNAME_H
{
struct utsname sys_details;
if (uname (&sys_details) == 0) {
identification->platform = g_strdup_printf ("%s %s %s",
sys_details.sysname, sys_details.release, sys_details.machine);
}
}
#endif
#if defined(G_OS_WIN32)
if (identification->platform == NULL)
identification->platform = g_strdup ("Microsoft Windows");
#elif defined(G_OS_BEOS)
if (identification->platform == NULL)
identification->platform = g_strdup ("BEOS");
#elif defined(G_OS_UNIX)
if (identification->platform == NULL)
identification->platform = g_strdup ("Unix");
#endif
}
/* Content storage */
{
MXFMetadataContentStorage *cstorage;
guint i;
cstorage = mux->preface->content_storage = (MXFMetadataContentStorage *)
g_object_new (MXF_TYPE_METADATA_CONTENT_STORAGE, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (cstorage)->instance_uid, mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (cstorage)->instance_uid, cstorage);
mux->metadata_list = g_list_prepend (mux->metadata_list, cstorage);
cstorage->n_packages = 2;
cstorage->packages = g_new0 (MXFMetadataGenericPackage *, 2);
/* Source package */
{
MXFMetadataSourcePackage *p;
cstorage->packages[1] = (MXFMetadataGenericPackage *)
g_object_new (MXF_TYPE_METADATA_SOURCE_PACKAGE, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (cstorage->packages[1])->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (cstorage->packages[1])->instance_uid,
cstorage->packages[1]);
mux->metadata_list =
g_list_prepend (mux->metadata_list, cstorage->packages[1]);
p = (MXFMetadataSourcePackage *) cstorage->packages[1];
mxf_umid_init (&p->parent.package_uid);
p->parent.name = g_strdup ("Source package");
memcpy (&p->parent.package_creation_date,
&mux->preface->last_modified_date, sizeof (MXFTimestamp));
memcpy (&p->parent.package_modified_date,
&mux->preface->last_modified_date, sizeof (MXFTimestamp));
p->parent.n_tracks = GST_ELEMENT_CAST (mux)->numsinkpads;
p->parent.tracks = g_new0 (MXFMetadataTrack *, p->parent.n_tracks);
if (p->parent.n_tracks > 1) {
MXFMetadataMultipleDescriptor *d;
p->descriptor = (MXFMetadataGenericDescriptor *)
g_object_new (MXF_TYPE_METADATA_MULTIPLE_DESCRIPTOR, NULL);
d = (MXFMetadataMultipleDescriptor *) p->descriptor;
d->n_sub_descriptors = p->parent.n_tracks;
d->sub_descriptors =
g_new0 (MXFMetadataGenericDescriptor *, p->parent.n_tracks);
mxf_uuid_init (&MXF_METADATA_BASE (d)->instance_uid, mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (d)->instance_uid, d);
mux->metadata_list = g_list_prepend (mux->metadata_list, d);
}
/* Tracks */
{
guint n = 0;
/* Essence tracks */
for (l = GST_ELEMENT_CAST (mux)->sinkpads; l; l = l->next) {
GstMXFMuxPad *pad = l->data;
MXFMetadataTimelineTrack *track;
MXFMetadataSequence *sequence;
MXFMetadataSourceClip *clip;
GstCaps *caps;
GstBuffer *buffer;
p->parent.tracks[n] = (MXFMetadataTrack *)
g_object_new (MXF_TYPE_METADATA_TIMELINE_TRACK, NULL);
track = (MXFMetadataTimelineTrack *) p->parent.tracks[n];
mxf_uuid_init (&MXF_METADATA_BASE (track)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (track)->instance_uid, track);
mux->metadata_list = g_list_prepend (mux->metadata_list, track);
caps = gst_pad_get_current_caps (GST_PAD_CAST (pad));
buffer = gst_aggregator_pad_get_buffer (GST_AGGREGATOR_PAD (pad));
track->parent.track_id = n + 1;
track->parent.track_number =
pad->writer->get_track_number_template (pad->descriptor,
caps, pad->mapping_data);
pad->writer->get_edit_rate (pad->descriptor,
caps, pad->mapping_data, buffer, p, track, &track->edit_rate);
if (buffer)
gst_buffer_unref (buffer);
gst_caps_unref (caps);
sequence = track->parent.sequence = (MXFMetadataSequence *)
g_object_new (MXF_TYPE_METADATA_SEQUENCE, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (sequence)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (sequence)->instance_uid, sequence);
mux->metadata_list = g_list_prepend (mux->metadata_list, sequence);
memcpy (&sequence->data_definition, &pad->writer->data_definition,
16);
sequence->n_structural_components = 1;
sequence->structural_components =
g_new0 (MXFMetadataStructuralComponent *, 1);
clip = (MXFMetadataSourceClip *)
g_object_new (MXF_TYPE_METADATA_SOURCE_CLIP, NULL);
sequence->structural_components[0] =
(MXFMetadataStructuralComponent *) clip;
mxf_uuid_init (&MXF_METADATA_BASE (clip)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (clip)->instance_uid, clip);
mux->metadata_list = g_list_prepend (mux->metadata_list, clip);
memcpy (&clip->parent.data_definition, &sequence->data_definition,
16);
clip->start_position = 0;
pad->source_package = p;
pad->source_track = track;
pad->descriptor->linked_track_id = n + 1;
if (p->parent.n_tracks == 1) {
p->descriptor = (MXFMetadataGenericDescriptor *) pad->descriptor;
} else {
MXF_METADATA_MULTIPLE_DESCRIPTOR (p->
descriptor)->sub_descriptors[n] =
(MXFMetadataGenericDescriptor *) pad->descriptor;
}
n++;
}
}
}
/* Material package */
{
MXFMetadataMaterialPackage *p;
MXFFraction min_edit_rate = { 0, 0 };
gdouble min_edit_rate_d = G_MAXDOUBLE;
cstorage->packages[0] = (MXFMetadataGenericPackage *)
g_object_new (MXF_TYPE_METADATA_MATERIAL_PACKAGE, NULL);
memcpy (&MXF_METADATA_BASE (cstorage->packages[0])->instance_uid,
&mux->preface->primary_package_uid, 16);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (cstorage->packages[0])->instance_uid,
cstorage->packages[0]);
mux->metadata_list =
g_list_prepend (mux->metadata_list, cstorage->packages[0]);
p = (MXFMetadataMaterialPackage *) cstorage->packages[0];
mxf_umid_init (&p->package_uid);
p->name = g_strdup ("Material package");
memcpy (&p->package_creation_date, &mux->preface->last_modified_date,
sizeof (MXFTimestamp));
memcpy (&p->package_modified_date, &mux->preface->last_modified_date,
sizeof (MXFTimestamp));
p->n_tracks = GST_ELEMENT_CAST (mux)->numsinkpads + 1;
p->tracks = g_new0 (MXFMetadataTrack *, p->n_tracks);
/* Tracks */
{
guint n;
n = 1;
/* Essence tracks */
for (l = GST_ELEMENT_CAST (mux)->sinkpads; l; l = l->next) {
GstMXFMuxPad *pad = l->data;
GstCaps *caps;
GstBuffer *buffer;
MXFMetadataSourcePackage *source_package;
MXFMetadataTimelineTrack *track, *source_track;
MXFMetadataSequence *sequence;
MXFMetadataSourceClip *clip;
source_package = MXF_METADATA_SOURCE_PACKAGE (cstorage->packages[1]);
source_track =
MXF_METADATA_TIMELINE_TRACK (source_package->parent.tracks[n -
1]);
p->tracks[n] = (MXFMetadataTrack *)
g_object_new (MXF_TYPE_METADATA_TIMELINE_TRACK, NULL);
track = (MXFMetadataTimelineTrack *) p->tracks[n];
mxf_uuid_init (&MXF_METADATA_BASE (track)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (track)->instance_uid, track);
mux->metadata_list = g_list_prepend (mux->metadata_list, track);
track->parent.track_id = n + 1;
track->parent.track_number = 0;
caps = gst_pad_get_current_caps (GST_PAD_CAST (pad));
buffer = gst_aggregator_pad_get_buffer (GST_AGGREGATOR_PAD (pad));
pad->writer->get_edit_rate (pad->descriptor,
caps, pad->mapping_data,
buffer, source_package, source_track, &track->edit_rate);
if (buffer)
gst_buffer_unref (buffer);
gst_caps_unref (caps);
if (track->edit_rate.n != source_track->edit_rate.n ||
track->edit_rate.d != source_track->edit_rate.d) {
memcpy (&source_track->edit_rate, &track->edit_rate,
sizeof (MXFFraction));
}
if (track->edit_rate.d <= 0 || track->edit_rate.n <= 0) {
GST_ERROR_OBJECT (mux, "Invalid edit rate");
GST_OBJECT_UNLOCK (mux);
return GST_FLOW_ERROR;
}
if (min_edit_rate_d >
((gdouble) track->edit_rate.n) / ((gdouble) track->edit_rate.d)) {
min_edit_rate_d =
((gdouble) track->edit_rate.n) / ((gdouble) track->edit_rate.d);
memcpy (&min_edit_rate, &track->edit_rate, sizeof (MXFFraction));
}
sequence = track->parent.sequence = (MXFMetadataSequence *)
g_object_new (MXF_TYPE_METADATA_SEQUENCE, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (sequence)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (sequence)->instance_uid, sequence);
mux->metadata_list = g_list_prepend (mux->metadata_list, sequence);
memcpy (&sequence->data_definition, &pad->writer->data_definition,
16);
sequence->n_structural_components = 1;
sequence->structural_components =
g_new0 (MXFMetadataStructuralComponent *, 1);
clip = (MXFMetadataSourceClip *)
g_object_new (MXF_TYPE_METADATA_SOURCE_CLIP, NULL);
sequence->structural_components[0] =
(MXFMetadataStructuralComponent *) clip;
mxf_uuid_init (&MXF_METADATA_BASE (clip)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (clip)->instance_uid, clip);
mux->metadata_list = g_list_prepend (mux->metadata_list, clip);
memcpy (&clip->parent.data_definition, &sequence->data_definition,
16);
clip->start_position = 0;
memcpy (&clip->source_package_id, &cstorage->packages[1]->package_uid,
32);
clip->source_track_id = n;
n++;
}
n = 0;
/* Timecode track */
{
MXFMetadataTimelineTrack *track;
MXFMetadataSequence *sequence;
MXFMetadataTimecodeComponent *component;
p->tracks[n] = (MXFMetadataTrack *)
g_object_new (MXF_TYPE_METADATA_TIMELINE_TRACK, NULL);
track = (MXFMetadataTimelineTrack *) p->tracks[n];
mxf_uuid_init (&MXF_METADATA_BASE (track)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (track)->instance_uid, track);
mux->metadata_list = g_list_prepend (mux->metadata_list, track);
track->parent.track_id = n + 1;
track->parent.track_number = 0;
track->parent.track_name = g_strdup ("Timecode track");
/* FIXME: Is this correct? */
memcpy (&track->edit_rate, &min_edit_rate, sizeof (MXFFraction));
sequence = track->parent.sequence = (MXFMetadataSequence *)
g_object_new (MXF_TYPE_METADATA_SEQUENCE, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (sequence)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (sequence)->instance_uid, sequence);
mux->metadata_list = g_list_prepend (mux->metadata_list, sequence);
memcpy (&sequence->data_definition,
mxf_metadata_track_identifier_get
(MXF_METADATA_TRACK_TIMECODE_12M_INACTIVE), 16);
sequence->n_structural_components = 1;
sequence->structural_components =
g_new0 (MXFMetadataStructuralComponent *, 1);
component = (MXFMetadataTimecodeComponent *)
g_object_new (MXF_TYPE_METADATA_TIMECODE_COMPONENT, NULL);
sequence->structural_components[0] =
(MXFMetadataStructuralComponent *) component;
mxf_uuid_init (&MXF_METADATA_BASE (component)->instance_uid,
mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (component)->instance_uid, component);
mux->metadata_list = g_list_prepend (mux->metadata_list, component);
memcpy (&component->parent.data_definition,
&sequence->data_definition, 16);
component->start_timecode = 0;
if (track->edit_rate.d == 0)
component->rounded_timecode_base = 1;
else
component->rounded_timecode_base =
(((gdouble) track->edit_rate.n) /
((gdouble) track->edit_rate.d) + 0.5);
/* TODO: drop frame */
}
memcpy (&mux->min_edit_rate, &min_edit_rate, sizeof (MXFFraction));
}
}
for (i = 0; i < cstorage->packages[1]->n_tracks; i++) {
MXFMetadataTrack *track = cstorage->packages[1]->tracks[i];
guint j;
guint32 templ;
guint8 n_type, n;
if ((track->track_number & 0x00ff00ff) != 0)
continue;
templ = track->track_number;
n_type = 0;
for (j = 0; j < cstorage->packages[1]->n_tracks; j++) {
MXFMetadataTrack *tmp = cstorage->packages[1]->tracks[j];
if (tmp->track_number == templ) {
n_type++;
}
}
n = 0;
for (j = 0; j < cstorage->packages[1]->n_tracks; j++) {
MXFMetadataTrack *tmp = cstorage->packages[1]->tracks[j];
if (tmp->track_number == templ) {
n++;
tmp->track_number |= (n_type << 16) | (n);
}
}
}
cstorage->n_essence_container_data = 1;
cstorage->essence_container_data =
g_new0 (MXFMetadataEssenceContainerData *, 1);
cstorage->essence_container_data[0] = (MXFMetadataEssenceContainerData *)
g_object_new (MXF_TYPE_METADATA_ESSENCE_CONTAINER_DATA, NULL);
mxf_uuid_init (&MXF_METADATA_BASE (cstorage->essence_container_data[0])->
instance_uid, mux->metadata);
g_hash_table_insert (mux->metadata,
&MXF_METADATA_BASE (cstorage->essence_container_data[0])->instance_uid,
cstorage->essence_container_data[0]);
mux->metadata_list =
g_list_prepend (mux->metadata_list,
cstorage->essence_container_data[0]);
cstorage->essence_container_data[0]->linked_package =
MXF_METADATA_SOURCE_PACKAGE (cstorage->packages[1]);
cstorage->essence_container_data[0]->index_sid = 0;
cstorage->essence_container_data[0]->body_sid = 1;
}
