void
mxf_up_init (void)
{
mxf_essence_element_handler_register (&mxf_up_essence_element_handler);
mxf_up_essence_element_writer.pad_template =
gst_pad_template_new ("up_video_sink_%u", GST_PAD_SINK, GST_PAD_REQUEST,
gst_caps_from_string (GST_VIDEO_CAPS_RGB "; "
GST_VIDEO_CAPS_BGR "; "
GST_VIDEO_CAPS_RGBx "; "
GST_VIDEO_CAPS_xRGB "; "
GST_VIDEO_CAPS_BGRx "; "
GST_VIDEO_CAPS_xBGR "; "
GST_VIDEO_CAPS_ARGB "; "
GST_VIDEO_CAPS_RGBA "; "
GST_VIDEO_CAPS_ABGR "; "
GST_VIDEO_CAPS_BGRA "; "
GST_VIDEO_CAPS_YUV ("AYUV") "; "
GST_VIDEO_CAPS_YUV ("v308") "; "
GST_VIDEO_CAPS_YUV ("UYVY") "; " GST_VIDEO_CAPS_YUV ("YUY2")));
memcpy (&mxf_up_essence_element_writer.data_definition,
mxf_metadata_track_identifier_get (MXF_METADATA_TRACK_PICTURE_ESSENCE),
16);
mxf_essence_element_writer_register (&mxf_up_essence_element_writer);
}
void
mxf_alaw_init (void)
{
mxf_essence_element_handler_register (&mxf_alaw_essence_element_handler);
mxf_alaw_essence_element_writer.pad_template =
gst_pad_template_new ("alaw_audio_sink_%u", GST_PAD_SINK, GST_PAD_REQUEST,
gst_caps_from_string (ALAW_CAPS));
memcpy (&mxf_alaw_essence_element_writer.data_definition,
mxf_metadata_track_identifier_get (MXF_METADATA_TRACK_SOUND_ESSENCE), 16);
mxf_essence_element_writer_register (&mxf_alaw_essence_element_writer);
}
void
mxf_vc3_init (void)
{
mxf_essence_element_handler_register (&mxf_vc3_essence_element_handler);
mxf_vc3_essence_element_writer.pad_template =
gst_pad_template_new ("vc3_video_sink_%u", GST_PAD_SINK, GST_PAD_REQUEST,
gst_caps_from_string ("video/x-dnxhd, width = " GST_VIDEO_SIZE_RANGE
", height = " GST_VIDEO_SIZE_RANGE ", framerate = "
GST_VIDEO_FPS_RANGE));
memcpy (&mxf_vc3_essence_element_writer.data_definition,
mxf_metadata_track_identifier_get (MXF_METADATA_TRACK_PICTURE_ESSENCE),
16);
mxf_essence_element_writer_register (&mxf_vc3_essence_element_writer);
}
void
mxf_jpeg2000_init (void)
{
mxf_essence_element_handler_register (&mxf_jpeg2000_essence_element_handler);
mxf_jpeg2000_essence_element_writer.pad_template =
gst_pad_template_new ("jpeg2000_video_sink_%u", GST_PAD_SINK,
GST_PAD_REQUEST,
gst_caps_from_string ("image/x-jpc, fields = 1, width = "
GST_VIDEO_SIZE_RANGE ", height = " GST_VIDEO_SIZE_RANGE
", framerate = " GST_VIDEO_FPS_RANGE
", fourcc = (GstFourcc) { sRGB, sYUV }"));
memcpy (&mxf_jpeg2000_essence_element_writer.data_definition,
mxf_metadata_track_identifier_get (MXF_METADATA_TRACK_PICTURE_ESSENCE),
16);
mxf_essence_element_writer_register (&mxf_jpeg2000_essence_element_writer);
}
static GstFlowReturn
gst_mxf_mux_create_metadata (GstMXFMux * mux)
{
GstFlowReturn ret = GST_FLOW_OK;
GSList *l;
GArray *tmp;
GST_DEBUG_OBJECT (mux, "Creating MXF metadata");
for (l = mux->collect->data; l; l = l->next) {
GstMXFMuxPad *cpad = l->data;
if (!cpad || !cpad->descriptor || !GST_PAD_CAPS (cpad->collect.pad))
return GST_FLOW_ERROR;
if (cpad->writer->update_descriptor)
cpad->writer->update_descriptor (cpad->descriptor,
GST_PAD_CAPS (cpad->collect.pad), cpad->mapping_data,
cpad->collect.buffer);
}
/* Preface */
mux->preface =
(MXFMetadataPreface *) gst_mini_object_new (MXF_TYPE_METADATA_PREFACE);
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 = mux->collect->data; l; l = l->next) {
GstMXFMuxPad *cpad = l->data;
guint i;
gboolean found = FALSE;
if (!cpad || !cpad->descriptor ||
mxf_ul_is_zero (&cpad->descriptor->essence_container))
return GST_FLOW_ERROR;
for (i = 0; i < tmp->len; i++) {
if (mxf_ul_is_equal (&cpad->descriptor->essence_container,
&g_array_index (tmp, MXFUL, i))) {
found = TRUE;
break;
}
}
if (found)
continue;
g_array_append_val (tmp, cpad->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 *)
gst_mini_object_new (MXF_TYPE_METADATA_IDENTIFICATION);
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_CONTENT_STORAGE);
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_SOURCE_PACKAGE);
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 = g_slist_length (mux->collect->data);
p->parent.tracks = g_new0 (MXFMetadataTrack *, p->parent.n_tracks);
if (p->parent.n_tracks > 1) {
MXFMetadataMultipleDescriptor *d;
p->descriptor = (MXFMetadataGenericDescriptor *)
gst_mini_object_new (MXF_TYPE_METADATA_MULTIPLE_DESCRIPTOR);
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 = mux->collect->data; l; l = l->next) {
GstMXFMuxPad *cpad = l->data;
MXFMetadataTimelineTrack *track;
MXFMetadataSequence *sequence;
MXFMetadataSourceClip *clip;
p->parent.tracks[n] = (MXFMetadataTrack *)
gst_mini_object_new (MXF_TYPE_METADATA_TIMELINE_TRACK);
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);
track->parent.track_id = n + 1;
track->parent.track_number =
cpad->writer->get_track_number_template (cpad->descriptor,
GST_PAD_CAPS (cpad->collect.pad), cpad->mapping_data);
cpad->writer->get_edit_rate (cpad->descriptor,
GST_PAD_CAPS (cpad->collect.pad), cpad->mapping_data,
cpad->collect.buffer, p, track, &track->edit_rate);
sequence = track->parent.sequence = (MXFMetadataSequence *)
gst_mini_object_new (MXF_TYPE_METADATA_SEQUENCE);
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, &cpad->writer->data_definition,
16);
sequence->n_structural_components = 1;
sequence->structural_components =
g_new0 (MXFMetadataStructuralComponent *, 1);
clip = (MXFMetadataSourceClip *)
gst_mini_object_new (MXF_TYPE_METADATA_SOURCE_CLIP);
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;
cpad->source_package = p;
cpad->source_track = track;
cpad->descriptor->linked_track_id = n + 1;
if (p->parent.n_tracks == 1) {
p->descriptor = (MXFMetadataGenericDescriptor *) cpad->descriptor;
} else {
MXF_METADATA_MULTIPLE_DESCRIPTOR (p->descriptor)->
sub_descriptors[n] =
(MXFMetadataGenericDescriptor *) cpad->descriptor;
}
n++;
}
}
}
/* Material package */
{
MXFMetadataMaterialPackage *p;
MXFFraction min_edit_rate = { 0, 0 };
gdouble min_edit_rate_d = G_MAXDOUBLE;
cstorage->packages[0] = (MXFMetadataGenericPackage *)
gst_mini_object_new (MXF_TYPE_METADATA_MATERIAL_PACKAGE);
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 = g_slist_length (mux->collect->data) + 1;
p->tracks = g_new0 (MXFMetadataTrack *, p->n_tracks);
/* Tracks */
{
guint n;
n = 1;
/* Essence tracks */
for (l = mux->collect->data; l; l = l->next) {
GstMXFMuxPad *cpad = l->data;
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_TIMELINE_TRACK);
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;
cpad->writer->get_edit_rate (cpad->descriptor,
GST_PAD_CAPS (cpad->collect.pad), cpad->mapping_data,
cpad->collect.buffer, source_package, source_track,
&track->edit_rate);
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");
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_SEQUENCE);
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, &cpad->writer->data_definition,
16);
sequence->n_structural_components = 1;
sequence->structural_components =
g_new0 (MXFMetadataStructuralComponent *, 1);
clip = (MXFMetadataSourceClip *)
gst_mini_object_new (MXF_TYPE_METADATA_SOURCE_CLIP);
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_TIMELINE_TRACK);
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_SEQUENCE);
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_TIMECODE_COMPONENT);
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;
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 *)
gst_mini_object_new (MXF_TYPE_METADATA_ESSENCE_CONTAINER_DATA);
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;
}
