/* GStreamer * Copyright (C) 2008 Sebastian Dröge * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include "mxfparse.h" #include "mxfmetadata.h" GST_DEBUG_CATEGORY_EXTERN (mxf_debug); #define GST_CAT_DEFAULT mxf_debug G_DEFINE_ABSTRACT_TYPE (MXFMetadataBase, mxf_metadata_base, GST_TYPE_MINI_OBJECT); static void mxf_metadata_base_finalize (GstMiniObject * object) { MXFMetadataBase *self = MXF_METADATA_BASE (object); if (self->other_tags) { g_hash_table_destroy (self->other_tags); self->other_tags = NULL; } GST_MINI_OBJECT_CLASS (mxf_metadata_base_parent_class)->finalize (object); } static gboolean mxf_metadata_base_handle_tag (MXFMetadataBase * self, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { return (mxf_local_tag_add_to_hash_table (primer, tag, tag_data, tag_size, &self->other_tags)); } static gboolean mxf_metadata_base_resolve_default (MXFMetadataBase * self, MXFMetadataBase ** metadata) { return TRUE; } static void mxf_metadata_base_init (MXFMetadataBase * self) { } static void mxf_metadata_base_class_init (MXFMetadataBaseClass * klass) { GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_base_finalize; klass->handle_tag = mxf_metadata_base_handle_tag; klass->resolve = mxf_metadata_base_resolve_default; } gboolean mxf_metadata_base_parse (MXFMetadataBase * self, MXFPrimerPack * primer, const guint8 * data, guint size) { guint16 tag, tag_size; const guint8 *tag_data; g_return_val_if_fail (MXF_IS_METADATA_BASE (self), FALSE); g_return_val_if_fail (data != NULL, FALSE); g_return_val_if_fail (primer != NULL, FALSE); while (mxf_local_tag_parse (data, size, &tag, &tag_size, &tag_data)) { if (tag_size == 0 || tag == 0x0000) goto next; if (!MXF_METADATA_BASE_GET_CLASS (self)->handle_tag (self, primer, tag, tag_data, tag_size)) return FALSE; next: data += 4 + tag_size; size -= 4 + tag_size; } return TRUE; } gboolean mxf_metadata_base_resolve (MXFMetadataBase * self, MXFMetadataBase ** metadata) { MXFMetadataBaseClass *klass; gboolean ret = TRUE; g_return_val_if_fail (MXF_IS_METADATA_BASE (self), FALSE); g_return_val_if_fail (metadata != NULL, FALSE); if (self->resolved == MXF_METADATA_BASE_RESOLVE_STATE_SUCCESS) return TRUE; else if (self->resolved == MXF_METADATA_BASE_RESOLVE_STATE_FAILURE) return FALSE; self->resolved = TRUE; klass = MXF_METADATA_BASE_GET_CLASS (self); if (klass->resolve) ret = klass->resolve (self, metadata); self->resolved = (ret) ? MXF_METADATA_BASE_RESOLVE_STATE_SUCCESS : MXF_METADATA_BASE_RESOLVE_STATE_FAILURE; return ret; } G_DEFINE_TYPE (MXFMetadata, mxf_metadata, MXF_TYPE_METADATA_BASE); static gboolean mxf_metadata_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { gchar str[48]; MXFMetadata *self = MXF_METADATA (metadata); gboolean ret = TRUE; switch (tag) { case 0x3c0a: if (tag_size != 16) goto error; memcpy (&self->parent.instance_uid, tag_data, 16); GST_DEBUG (" instance uid = %s", mxf_ul_to_string (&self->parent.instance_uid, str)); break; case 0x0102: case 0x3c09: if (tag_size != 16) goto error; memcpy (&self->parent.generation_uid, tag_data, 16); GST_DEBUG (" generation uid = %s", mxf_ul_to_string (&self->parent.generation_uid, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid metadata local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_class_init (MXFMetadataClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_handle_tag; } static void mxf_metadata_init (MXFMetadata * self) { } static GSList *_mxf_metadata_registry = NULL; typedef struct { guint16 type_id; GType type; } _MXFMetadataType; void mxf_metadata_init_types (void) { _MXFMetadataType *l; g_return_if_fail (_mxf_metadata_registry == NULL); #define _add_type(TI, T) \ l = g_slice_new (_MXFMetadataType); \ l->type_id = TI; \ l->type = T; \ _mxf_metadata_registry = g_slist_prepend (_mxf_metadata_registry, l); /* SMPTE S377M 8.6 Table 14 */ _add_type (0x012f, MXF_TYPE_METADATA_PREFACE); _add_type (0x0130, MXF_TYPE_METADATA_IDENTIFICATION); _add_type (0x0118, MXF_TYPE_METADATA_CONTENT_STORAGE); _add_type (0x0123, MXF_TYPE_METADATA_ESSENCE_CONTAINER_DATA); _add_type (0x0136, MXF_TYPE_METADATA_MATERIAL_PACKAGE); _add_type (0x0137, MXF_TYPE_METADATA_SOURCE_PACKAGE); _add_type (0x013b, MXF_TYPE_METADATA_TIMELINE_TRACK); _add_type (0x0139, MXF_TYPE_METADATA_EVENT_TRACK); _add_type (0x013a, MXF_TYPE_METADATA_STATIC_TRACK); _add_type (0x010f, MXF_TYPE_METADATA_SEQUENCE); _add_type (0x0111, MXF_TYPE_METADATA_SOURCE_CLIP); _add_type (0x0114, MXF_TYPE_METADATA_TIMECODE_COMPONENT); _add_type (0x0141, MXF_TYPE_METADATA_DM_SEGMENT); _add_type (0x0145, MXF_TYPE_METADATA_DM_SOURCE_CLIP); _add_type (0x0125, MXF_TYPE_METADATA_FILE_DESCRIPTOR); _add_type (0x0127, MXF_TYPE_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR); _add_type (0x0128, MXF_TYPE_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR); _add_type (0x0129, MXF_TYPE_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR); _add_type (0x0142, MXF_TYPE_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR); _add_type (0x0143, MXF_TYPE_METADATA_GENERIC_DATA_ESSENCE_DESCRIPTOR); _add_type (0x0144, MXF_TYPE_METADATA_MULTIPLE_DESCRIPTOR); _add_type (0x0132, MXF_TYPE_METADATA_NETWORK_LOCATOR); _add_type (0x0133, MXF_TYPE_METADATA_TEXT_LOCATOR); #undef _add_type } void mxf_metadata_register (guint16 type_id, GType type) { g_return_if_fail (g_type_is_a (type, MXF_TYPE_METADATA)); g_return_if_fail (type_id != 0); g_return_if_fail (_mxf_metadata_registry != NULL); { GSList *l = _mxf_metadata_registry; for (; l; l = l->next) { if (((_MXFMetadataType *) l->data)->type_id == type_id) { return; } } } { _MXFMetadataType *l = g_slice_new (_MXFMetadataType); l->type_id = type_id; l->type = type; _mxf_metadata_registry = g_slist_prepend (_mxf_metadata_registry, l); } } MXFMetadata * mxf_metadata_new (guint16 type, MXFPrimerPack * primer, const guint8 * data, guint size) { GSList *l; GType t = G_TYPE_INVALID; MXFMetadata *ret = NULL; g_return_val_if_fail (type != 0, NULL); g_return_val_if_fail (primer != NULL, NULL); g_return_val_if_fail (_mxf_metadata_registry != NULL, NULL); for (l = _mxf_metadata_registry; l; l = l->next) { _MXFMetadataType *data = l->data; if (data->type_id == type) { t = data->type; break; } } if (t == G_TYPE_INVALID) { GST_WARNING ("No handler for type 0x%04x found -- using generic metadata parser", type); t = MXF_TYPE_METADATA; } ret = (MXFMetadata *) g_type_create_instance (t); if (!mxf_metadata_base_parse (MXF_METADATA_BASE (ret), primer, data, size)) { GST_ERROR ("Parsing metadata failed"); gst_mini_object_unref ((GstMiniObject *) ret); return NULL; } ret->type = type; return ret; } G_DEFINE_TYPE (MXFMetadataPreface, mxf_metadata_preface, MXF_TYPE_METADATA); static void mxf_metadata_preface_finalize (GstMiniObject * object) { MXFMetadataPreface *self = MXF_METADATA_PREFACE (object); g_free (self->identifications_uids); self->identifications_uids = NULL; g_free (self->identifications); self->identifications = NULL; g_free (self->essence_containers); self->essence_containers = NULL; g_free (self->dm_schemes); self->dm_schemes = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_preface_parent_class)->finalize (object); } static gboolean mxf_metadata_preface_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataPreface *self = MXF_METADATA_PREFACE (metadata); gchar str[48]; gboolean ret = TRUE; switch (tag) { case 0x3b02: if (!mxf_timestamp_parse (&self->last_modified_date, tag_data, tag_size)) goto error; GST_DEBUG (" last modified date = %d/%u/%u %u:%u:%u.%u", self->last_modified_date.year, self->last_modified_date.month, self->last_modified_date.day, self->last_modified_date.hour, self->last_modified_date.minute, self->last_modified_date.second, (self->last_modified_date.quarter_msecond * 1000) / 256); break; case 0x3b05: if (tag_size != 2) goto error; self->version = GST_READ_UINT16_BE (tag_data); GST_DEBUG (" version = %u.%u", (self->version >> 8), (self->version & 0x0f)); break; case 0x3b07: if (tag_size != 4) goto error; self->object_model_version = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" object model version = %u", self->object_model_version); break; case 0x3b08: if (tag_size != 16) goto error; memcpy (&self->primary_package_uid, tag_data, 16); GST_DEBUG (" primary package = %s", mxf_ul_to_string (&self->primary_package_uid, str)); break; case 0x3b06:{ guint32 len; guint i; if (tag_size < 8) goto error; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of identifications = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; if (tag_size < 8 + len * 16) goto error; self->n_identifications = len; self->identifications_uids = g_new (MXFUL, len); for (i = 0; i < len; i++) { memcpy (&self->identifications_uids[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" identification %u = %s", i, mxf_ul_to_string (&self->identifications_uids[i], str)); } break; } case 0x3b03: if (tag_size != 16) goto error; memcpy (&self->content_storage_uid, tag_data, 16); GST_DEBUG (" content storage = %s", mxf_ul_to_string (&self->content_storage_uid, str)); break; case 0x3b09: if (tag_size != 16) goto error; memcpy (&self->operational_pattern, tag_data, 16); GST_DEBUG (" operational pattern = %s", mxf_ul_to_string (&self->operational_pattern, str)); break; case 0x3b0a:{ guint32 len; guint i; if (tag_size < 8) goto error; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of essence containers = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; if (tag_size < 8 + len * 16) goto error; self->n_essence_containers = len; self->essence_containers = g_new (MXFUL, len); for (i = 0; i < len; i++) { memcpy (&self->essence_containers[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" essence container %u = %s", i, mxf_ul_to_string (&self->essence_containers[i], str)); } break; } case 0x3b0b:{ guint32 len; guint i; if (tag_size < 8) goto error; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of DM schemes = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; if (tag_size < 8 + len * 16) goto error; self->n_dm_schemes = len; self->dm_schemes = g_new (MXFUL, len); for (i = 0; i < len; i++) { memcpy (&self->dm_schemes[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" DM schemes %u = %s", i, mxf_ul_to_string (&self->dm_schemes[i], str)); } break; } default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_preface_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid preface local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_preface_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataPreface *self = MXF_METADATA_PREFACE (m); MXFMetadataBase **p = metadata, *current; guint i; while (*p && (self->primary_package == NULL || self->content_storage == NULL)) { current = *p; if (MXF_IS_METADATA_GENERIC_PACKAGE (current) && mxf_ul_is_equal (&self->primary_package_uid, ¤t->instance_uid)) { if (mxf_metadata_base_resolve (current, metadata)) self->primary_package = MXF_METADATA_GENERIC_PACKAGE (current); } else if (MXF_IS_METADATA_CONTENT_STORAGE (current) && mxf_ul_is_equal (&self->content_storage_uid, ¤t->instance_uid)) { if (mxf_metadata_base_resolve (current, metadata)) self->content_storage = MXF_METADATA_CONTENT_STORAGE (current); } p++; } self->identifications = g_new0 (MXFMetadataIdentification *, self->n_identifications); for (i = 0; i < self->n_identifications; i++) { p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_IDENTIFICATION (current) && mxf_ul_is_equal (&self->identifications_uids[i], ¤t->instance_uid)) { if (mxf_metadata_base_resolve (current, metadata)) self->identifications[i] = MXF_METADATA_IDENTIFICATION (current); break; } p++; } } if (!self->content_storage) { GST_ERROR ("Couldn't resolve content storage"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_preface_parent_class)->resolve (m, metadata); } static void mxf_metadata_preface_init (MXFMetadataPreface * self) { } static void mxf_metadata_preface_class_init (MXFMetadataPrefaceClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_preface_finalize; metadata_base_class->handle_tag = mxf_metadata_preface_handle_tag; metadata_base_class->resolve = mxf_metadata_preface_resolve; } G_DEFINE_TYPE (MXFMetadataIdentification, mxf_metadata_identification, MXF_TYPE_METADATA); static void mxf_metadata_identification_finalize (GstMiniObject * object) { MXFMetadataIdentification *self = MXF_METADATA_IDENTIFICATION (object); g_free (self->company_name); self->company_name = NULL; g_free (self->product_name); self->product_name = NULL; g_free (self->version_string); self->version_string = NULL; g_free (self->platform); self->platform = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_identification_parent_class)->finalize (object); } static gboolean mxf_metadata_identification_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataIdentification *self = MXF_METADATA_IDENTIFICATION (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x3c01: self->company_name = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" company name = %s", GST_STR_NULL (self->company_name)); break; case 0x3c02: self->product_name = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" product name = %s", GST_STR_NULL (self->product_name)); break; case 0x3c03: if (!mxf_product_version_parse (&self->product_version, tag_data, tag_size)) goto error; GST_DEBUG (" product version = %u.%u.%u.%u.%u", self->product_version.major, self->product_version.minor, self->product_version.patch, self->product_version.build, self->product_version.release); break; case 0x3c04: self->version_string = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" version string = %s", GST_STR_NULL (self->version_string)); break; case 0x3c05: if (tag_size != 16) goto error; memcpy (&self->product_uid, tag_data, 16); GST_DEBUG (" product uid = %s", mxf_ul_to_string (&self->product_uid, str)); break; case 0x3c06: if (!mxf_timestamp_parse (&self->modification_date, tag_data, tag_size)) goto error; GST_DEBUG (" modification date = %d/%u/%u %u:%u:%u.%u", self->modification_date.year, self->modification_date.month, self->modification_date.day, self->modification_date.hour, self->modification_date.minute, self->modification_date.second, (self->modification_date.quarter_msecond * 1000) / 256); break; case 0x3c07: if (!mxf_product_version_parse (&self->toolkit_version, tag_data, tag_size)) goto error; GST_DEBUG (" toolkit version = %u.%u.%u.%u.%u", self->toolkit_version.major, self->toolkit_version.minor, self->toolkit_version.patch, self->toolkit_version.build, self->toolkit_version.release); break; case 0x3c08: self->platform = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" platform = %s", GST_STR_NULL (self->platform)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_identification_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid identification local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_identification_init (MXFMetadataIdentification * self) { } static void mxf_metadata_identification_class_init (MXFMetadataIdentificationClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_identification_finalize; metadata_base_class->handle_tag = mxf_metadata_identification_handle_tag; } G_DEFINE_TYPE (MXFMetadataContentStorage, mxf_metadata_content_storage, MXF_TYPE_METADATA); static void mxf_metadata_content_storage_finalize (GstMiniObject * object) { MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (object); g_free (self->packages); self->packages = NULL; g_free (self->packages_uids); self->packages_uids = NULL; g_free (self->essence_container_data); self->essence_container_data = NULL; g_free (self->essence_container_data_uids); self->essence_container_data_uids = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_content_storage_parent_class)->finalize (object); } static gboolean mxf_metadata_content_storage_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x1901:{ guint32 len; guint i; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of packages = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; if (tag_size < 8 + len * 16) goto error; self->packages_uids = g_new (MXFUL, len); self->n_packages = len; for (i = 0; i < len; i++) { memcpy (&self->packages_uids[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" package %u = %s", i, mxf_ul_to_string (&self->packages_uids[i], str)); } break; } case 0x1902:{ guint32 len; guint i; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of essence container data = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; if (tag_size < 8 + len * 16) goto error; self->essence_container_data_uids = g_new (MXFUL, len); self->n_essence_container_data = len; for (i = 0; i < len; i++) { memcpy (&self->essence_container_data_uids[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" essence container data %u = %s", i, mxf_ul_to_string (&self->essence_container_data_uids[i], str)); } break; } default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_content_storage_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid content storage local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_content_storage_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (m); MXFMetadataBase **p = metadata, *current; guint i; gboolean have_package = FALSE; gboolean have_ecd = FALSE; self->packages = g_new0 (MXFMetadataGenericPackage *, self->n_packages); for (i = 0; i < self->n_packages; i++) { p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_GENERIC_PACKAGE (current) && mxf_ul_is_equal (¤t->instance_uid, &self->packages_uids[i])) { if (mxf_metadata_base_resolve (current, metadata)) { self->packages[i] = MXF_METADATA_GENERIC_PACKAGE (current); have_package = TRUE; } break; } p++; } } self->essence_container_data = g_new0 (MXFMetadataEssenceContainerData *, self->n_essence_container_data); for (i = 0; i < self->n_essence_container_data; i++) { p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_ESSENCE_CONTAINER_DATA (current) && mxf_ul_is_equal (¤t->instance_uid, &self->essence_container_data_uids[i])) { if (mxf_metadata_base_resolve (current, metadata)) { self->essence_container_data[i] = MXF_METADATA_ESSENCE_CONTAINER_DATA (current); have_ecd = TRUE; } break; } p++; } } if (!have_package) { GST_ERROR ("Couldn't resolve any package"); return FALSE; } else if (!have_ecd) { GST_ERROR ("Couldn't resolve any essence container data"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_content_storage_parent_class)->resolve (m, metadata); } static void mxf_metadata_content_storage_init (MXFMetadataContentStorage * self) { } static void mxf_metadata_content_storage_class_init (MXFMetadataContentStorageClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_content_storage_finalize; metadata_base_class->handle_tag = mxf_metadata_content_storage_handle_tag; metadata_base_class->resolve = mxf_metadata_content_storage_resolve; } G_DEFINE_TYPE (MXFMetadataEssenceContainerData, mxf_metadata_essence_container_data, MXF_TYPE_METADATA); static gboolean mxf_metadata_essence_container_data_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataEssenceContainerData *self = MXF_METADATA_ESSENCE_CONTAINER_DATA (metadata); gboolean ret = TRUE; gchar str[96]; switch (tag) { case 0x2701: if (tag_size != 32) goto error; memcpy (&self->linked_package_uid, tag_data, 32); GST_DEBUG (" linked package = %s", mxf_umid_to_string (&self->linked_package_uid, str)); break; case 0x3f06: if (tag_size != 4) goto error; self->index_sid = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" index sid = %u", self->index_sid); break; case 0x3f07: if (tag_size != 4) goto error; self->body_sid = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" body sid = %u", self->body_sid); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_essence_container_data_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid essence container data local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_essence_container_data_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataEssenceContainerData *self = MXF_METADATA_ESSENCE_CONTAINER_DATA (m); MXFMetadataBase **p = metadata, *current; while (*p) { current = *p; if (MXF_IS_METADATA_SOURCE_PACKAGE (current)) { MXFMetadataSourcePackage *package = MXF_METADATA_SOURCE_PACKAGE (current); if (mxf_umid_is_equal (&package->parent.package_uid, &self->linked_package_uid)) { if (mxf_metadata_base_resolve (current, metadata)) { self->linked_package = package; } break; } } p++; } if (!self->linked_package) { GST_ERROR ("Couldn't resolve a package"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_essence_container_data_parent_class)->resolve (m, metadata); } static void mxf_metadata_essence_container_data_init (MXFMetadataEssenceContainerData * self) { } static void mxf_metadata_essence_container_data_class_init (MXFMetadataEssenceContainerDataClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_essence_container_data_handle_tag; metadata_base_class->resolve = mxf_metadata_essence_container_data_resolve; } G_DEFINE_ABSTRACT_TYPE (MXFMetadataGenericPackage, mxf_metadata_generic_package, MXF_TYPE_METADATA); static void mxf_metadata_generic_package_finalize (GstMiniObject * object) { MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (object); g_free (self->name); self->name = NULL; g_free (self->tracks_uids); self->tracks_uids = NULL; g_free (self->tracks); self->tracks = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_generic_package_parent_class)->finalize (object); } static gboolean mxf_metadata_generic_package_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (metadata); gboolean ret = TRUE; gchar str[96]; switch (tag) { case 0x4401: if (tag_size != 32) goto error; memcpy (&self->package_uid, tag_data, 32); GST_DEBUG (" UMID = %s", mxf_umid_to_string (&self->package_uid, str)); break; case 0x4402: self->name = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" name = %s", GST_STR_NULL (self->name)); break; case 0x4405: if (!mxf_timestamp_parse (&self->package_creation_date, tag_data, tag_size)) goto error; GST_DEBUG (" creation date = %d/%u/%u %u:%u:%u.%u", self->package_creation_date.year, self->package_creation_date.month, self->package_creation_date.day, self->package_creation_date.hour, self->package_creation_date.minute, self->package_creation_date.second, (self->package_creation_date.quarter_msecond * 1000) / 256); break; case 0x4404: if (!mxf_timestamp_parse (&self->package_modified_date, tag_data, tag_size)) goto error; GST_DEBUG (" modification date = %d/%u/%u %u:%u:%u.%u", self->package_modified_date.year, self->package_modified_date.month, self->package_modified_date.day, self->package_modified_date.hour, self->package_modified_date.minute, self->package_modified_date.second, (self->package_modified_date.quarter_msecond * 1000) / 256); break; case 0x4403:{ guint32 len; guint i; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of tracks = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; if (tag_size < 8 + len * 16) goto error; self->tracks_uids = g_new (MXFUL, len); self->n_tracks = len; for (i = 0; i < len; i++) { memcpy (&self->tracks_uids[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" track %u = %s", i, mxf_ul_to_string (&self->tracks_uids[i], str)); } break; } default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_generic_package_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid generic package local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_generic_package_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (m); MXFMetadataBase **p, *current; guint i; gboolean have_track = FALSE; self->tracks = g_new0 (MXFMetadataTrack *, self->n_tracks); for (i = 0; i < self->n_tracks; i++) { p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_TRACK (current)) { MXFMetadataTrack *track = MXF_METADATA_TRACK (current); if (mxf_ul_is_equal (¤t->instance_uid, &self->tracks_uids[i])) { if (mxf_metadata_base_resolve (current, metadata)) { self->tracks[i] = track; have_track = TRUE; if ((track->type & 0xf0) == 0x10) self->n_timecode_tracks++; else if ((track->type & 0xf0) == 0x20) self->n_metadata_tracks++; else if ((track->type & 0xf0) == 0x30) self->n_essence_tracks++; else if ((track->type & 0xf0) == 0x40) self->n_other_tracks++; } break; } } p++; } } if (!have_track) { GST_ERROR ("Couldn't resolve a track"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_generic_package_parent_class)->resolve (m, metadata); } static void mxf_metadata_generic_package_init (MXFMetadataGenericPackage * self) { } static void mxf_metadata_generic_package_class_init (MXFMetadataGenericPackageClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_generic_package_finalize; metadata_base_class->handle_tag = mxf_metadata_generic_package_handle_tag; metadata_base_class->resolve = mxf_metadata_generic_package_resolve; } G_DEFINE_TYPE (MXFMetadataMaterialPackage, mxf_metadata_material_package, MXF_TYPE_METADATA_GENERIC_PACKAGE); static gboolean mxf_metadata_material_package_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { gboolean ret = MXF_METADATA_BASE_CLASS (mxf_metadata_material_package_parent_class)->resolve (m, metadata); MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (m); guint i; if (!ret) return ret; for (i = 0; i < self->n_tracks; i++) { MXFMetadataTrack *track = self->tracks[i]; MXFMetadataSequence *sequence; guint j; if (!track) continue; sequence = track->sequence; if (!sequence || !sequence->structural_components) continue; for (j = 0; j < sequence->n_structural_components; j++) { MXFMetadataSourceClip *sc; if (!sequence->structural_components[j] || !MXF_IS_METADATA_SOURCE_CLIP (sequence->structural_components[j])) continue; sc = MXF_METADATA_SOURCE_CLIP (sequence->structural_components[j]); if (sc->source_package) sc->source_package->top_level = TRUE; } } return TRUE; } static void mxf_metadata_material_package_init (MXFMetadataMaterialPackage * self) { } static void mxf_metadata_material_package_class_init (MXFMetadataMaterialPackageClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->resolve = mxf_metadata_material_package_resolve; } G_DEFINE_TYPE (MXFMetadataSourcePackage, mxf_metadata_source_package, MXF_TYPE_METADATA_GENERIC_PACKAGE); static void mxf_metadata_source_package_finalize (GstMiniObject * object) { MXFMetadataSourcePackage *self = MXF_METADATA_SOURCE_PACKAGE (object); g_free (self->descriptors); self->descriptors = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_source_package_parent_class)->finalize (object); } static gboolean mxf_metadata_source_package_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataSourcePackage *self = MXF_METADATA_SOURCE_PACKAGE (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x4701: if (tag_size != 16) goto error; self->n_descriptors = 1; memcpy (&self->descriptors_uid, tag_data, 16); GST_DEBUG (" descriptor = %s", mxf_ul_to_string (&self->descriptors_uid, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_source_package_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid source package local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_source_package_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataSourcePackage *self = MXF_METADATA_SOURCE_PACKAGE (m); MXFMetadataGenericPackage *package = MXF_METADATA_GENERIC_PACKAGE (m); MXFMetadataBase **p = metadata, *current; guint i, j; gboolean ret; MXFMetadataGenericDescriptor *d = NULL; if (mxf_ul_is_zero (&self->descriptors_uid)) return MXF_METADATA_BASE_CLASS (mxf_metadata_source_package_parent_class)->resolve (m, metadata); while (*p) { current = *p; if (MXF_IS_METADATA_GENERIC_DESCRIPTOR (current) && mxf_ul_is_equal (¤t->instance_uid, &self->descriptors_uid)) { d = MXF_METADATA_GENERIC_DESCRIPTOR (current); break; } p++; } if (!d || !mxf_metadata_base_resolve (MXF_METADATA_BASE (d), metadata)) { GST_ERROR ("Couldn't resolve descriptor"); return FALSE; } if (MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (d)) { MXFMetadataMultipleDescriptor *m = MXF_METADATA_MULTIPLE_DESCRIPTOR (d); if (m->sub_descriptors) { self->n_descriptors = m->n_sub_descriptors + 1; self->descriptors = g_new0 (MXFMetadataGenericDescriptor *, self->n_descriptors); for (i = 0; i < m->n_sub_descriptors; i++) { self->descriptors[i] = m->sub_descriptors[i]; } self->descriptors[self->n_descriptors - 1] = MXF_METADATA_GENERIC_DESCRIPTOR (m); } } else { self->n_descriptors = 1; self->descriptors = g_new0 (MXFMetadataGenericDescriptor *, 1); self->descriptors[0] = d; } ret = MXF_METADATA_BASE_CLASS (mxf_metadata_source_package_parent_class)->resolve (m, metadata); for (i = 0; i < package->n_tracks; i++) { guint n_descriptor = 0, k = 0; for (j = 0; j < self->n_descriptors; j++) { MXFMetadataFileDescriptor *d; if (!MXF_IS_METADATA_FILE_DESCRIPTOR (self->descriptors[j])) continue; d = MXF_METADATA_FILE_DESCRIPTOR (self->descriptors[j]); if (d->linked_track_id == package->tracks[i]->track_id || d->linked_track_id == 0) n_descriptor++; } package->tracks[i]->descriptor = g_new0 (MXFMetadataFileDescriptor *, n_descriptor); package->tracks[i]->n_descriptor = n_descriptor; for (j = 0; j < self->n_descriptors; j++) { MXFMetadataFileDescriptor *d; if (!MXF_IS_METADATA_FILE_DESCRIPTOR (self->descriptors[j])) continue; d = MXF_METADATA_FILE_DESCRIPTOR (self->descriptors[j]); if (d->linked_track_id == package->tracks[i]->track_id || (d->linked_track_id == 0 && n_descriptor == 1)) package->tracks[i]->descriptor[k++] = d; } } /* TODO: Check if there is a EssenceContainerData for this source package * and store this in the source package instance. Without * EssenceContainerData this package must be external */ return ret; } static void mxf_metadata_source_package_init (MXFMetadataSourcePackage * self) { } static void mxf_metadata_source_package_class_init (MXFMetadataSourcePackageClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_source_package_finalize; metadata_base_class->handle_tag = mxf_metadata_source_package_handle_tag; metadata_base_class->resolve = mxf_metadata_source_package_resolve; } G_DEFINE_ABSTRACT_TYPE (MXFMetadataTrack, mxf_metadata_track, MXF_TYPE_METADATA); static void mxf_metadata_track_finalize (GstMiniObject * object) { MXFMetadataTrack *self = MXF_METADATA_TRACK (object); g_free (self->track_name); self->track_name = NULL; g_free (self->descriptor); self->descriptor = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_track_parent_class)->finalize (object); } static gboolean mxf_metadata_track_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataTrack *self = MXF_METADATA_TRACK (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x4801: if (tag_size != 4) goto error; self->track_id = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" track id = %u", self->track_id); break; case 0x4804: if (tag_size != 4) goto error; self->track_number = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" track number = %u", self->track_number); break; case 0x4802: self->track_name = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" track name = %s", GST_STR_NULL (self->track_name)); break; case 0x4803: if (tag_size != 16) goto error; memcpy (&self->sequence_uid, tag_data, 16); GST_DEBUG (" sequence uid = %s", mxf_ul_to_string (&self->sequence_uid, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_track_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid track local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_track_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataTrack *self = MXF_METADATA_TRACK (m); MXFMetadataBase **p = metadata, *current; guint i; while (*p) { current = *p; if (MXF_IS_METADATA_SEQUENCE (current) && mxf_ul_is_equal (¤t->instance_uid, &self->sequence_uid)) { self->sequence = MXF_METADATA_SEQUENCE (current); break; } p++; } if (!self->sequence || !mxf_metadata_base_resolve (MXF_METADATA_BASE (self->sequence), metadata)) { GST_ERROR ("Couldn't resolve sequence"); return FALSE; } self->type = mxf_metadata_track_identifier_parse (&self->sequence->data_definition); if (self->type == MXF_METADATA_TRACK_UNKNOWN) { MXFMetadataSequence *sequence = self->sequence; for (i = 0; i < sequence->n_structural_components; i++) { MXFMetadataStructuralComponent *component = sequence->structural_components[i]; if (!component) continue; self->type = mxf_metadata_track_identifier_parse (&component->data_definition); if (self->type != MXF_METADATA_TRACK_UNKNOWN) break; } } return MXF_METADATA_BASE_CLASS (mxf_metadata_track_parent_class)->resolve (m, metadata); } static void mxf_metadata_track_init (MXFMetadataTrack * self) { } static void mxf_metadata_track_class_init (MXFMetadataTrackClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_track_finalize; metadata_base_class->handle_tag = mxf_metadata_track_handle_tag; metadata_base_class->resolve = mxf_metadata_track_resolve; } /* SMPTE RP224 */ static const struct { guint8 ul[16]; MXFMetadataTrackType type; } mxf_metadata_track_identifier[] = { { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_TIMECODE_12M_INACTIVE}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x01, 0x02, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_TIMECODE_12M_ACTIVE}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x01, 0x03, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_TIMECODE_309M}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x01, 0x10, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_METADATA}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x02, 0x01, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_PICTURE_ESSENCE}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_SOUND_ESSENCE}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x02, 0x03, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_DATA_ESSENCE}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x03, 0x01, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_AUXILIARY_DATA}, { { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x03, 0x02, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_PARSED_TEXT} }; MXFMetadataTrackType mxf_metadata_track_identifier_parse (const MXFUL * track_identifier) { guint i; for (i = 0; i < G_N_ELEMENTS (mxf_metadata_track_identifier); i++) if (memcmp (&mxf_metadata_track_identifier[i].ul, &track_identifier->u, 16) == 0) return mxf_metadata_track_identifier[i].type; return MXF_METADATA_TRACK_UNKNOWN; } G_DEFINE_TYPE (MXFMetadataTimelineTrack, mxf_metadata_timeline_track, MXF_TYPE_METADATA_TRACK); static gboolean mxf_metadata_timeline_track_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataTimelineTrack *self = MXF_METADATA_TIMELINE_TRACK (metadata); gboolean ret = TRUE; switch (tag) { case 0x4b01: if (!mxf_fraction_parse (&self->edit_rate, tag_data, tag_size)) goto error; GST_DEBUG (" edit rate = %d/%d", self->edit_rate.n, self->edit_rate.d); break; case 0x4b02: if (tag_size != 8) goto error; self->origin = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" origin = %" G_GINT64_FORMAT, self->origin); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_timeline_track_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid timeline track local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_timeline_track_init (MXFMetadataTimelineTrack * self) { } static void mxf_metadata_timeline_track_class_init (MXFMetadataTimelineTrackClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_timeline_track_handle_tag; } G_DEFINE_TYPE (MXFMetadataEventTrack, mxf_metadata_event_track, MXF_TYPE_METADATA_TRACK); static gboolean mxf_metadata_event_track_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataEventTrack *self = MXF_METADATA_EVENT_TRACK (metadata); gboolean ret = TRUE; switch (tag) { case 0x4901: if (!mxf_fraction_parse (&self->event_edit_rate, tag_data, tag_size)) goto error; GST_DEBUG (" event edit rate = %d/%d", self->event_edit_rate.n, self->event_edit_rate.d); break; case 0x4902: if (tag_size != 8) goto error; self->event_origin = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" event origin = %" G_GINT64_FORMAT, self->event_origin); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_event_track_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid event track local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_event_track_init (MXFMetadataEventTrack * self) { } static void mxf_metadata_event_track_class_init (MXFMetadataEventTrackClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_event_track_handle_tag; } G_DEFINE_TYPE (MXFMetadataStaticTrack, mxf_metadata_static_track, MXF_TYPE_METADATA_TRACK); static void mxf_metadata_static_track_init (MXFMetadataStaticTrack * self) { } static void mxf_metadata_static_track_class_init (MXFMetadataStaticTrackClass * klass) { } G_DEFINE_TYPE (MXFMetadataSequence, mxf_metadata_sequence, MXF_TYPE_METADATA); static void mxf_metadata_sequence_finalize (GstMiniObject * object) { MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (object); g_free (self->structural_components_uids); self->structural_components_uids = NULL; g_free (self->structural_components); self->structural_components = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_sequence_parent_class)->finalize (object); } static gboolean mxf_metadata_sequence_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x0201: if (tag_size != 16) goto error; memcpy (&self->data_definition, tag_data, 16); GST_DEBUG (" data definition = %s", mxf_ul_to_string (&self->data_definition, str)); break; case 0x0202: if (tag_size != 8) goto error; self->duration = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" duration = %" G_GINT64_FORMAT, self->duration); break; case 0x1001:{ guint32 len; guint i; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of structural components = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; if (tag_size < 8 + len * 16) goto error; self->structural_components_uids = g_new (MXFUL, len); self->n_structural_components = len; for (i = 0; i < len; i++) { memcpy (&self->structural_components_uids[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" structural component %u = %s", i, mxf_ul_to_string (&self->structural_components_uids[i], str)); } break; } default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_sequence_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid sequence local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_sequence_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (m); MXFMetadataBase **p, *current; guint i; guint have_sc = 0; self->structural_components = g_new0 (MXFMetadataStructuralComponent *, self->n_structural_components); for (i = 0; i < self->n_structural_components; i++) { p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_STRUCTURAL_COMPONENT (current) && mxf_ul_is_equal (¤t->instance_uid, &self->structural_components_uids[i])) { if (mxf_metadata_base_resolve (current, metadata)) { self->structural_components[i] = MXF_METADATA_STRUCTURAL_COMPONENT (current); have_sc++; break; } } p++; } } if (have_sc != self->n_structural_components) { GST_ERROR ("Couldn't resolve all structural components"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_sequence_parent_class)->resolve (m, metadata); } static void mxf_metadata_sequence_init (MXFMetadataSequence * self) { } static void mxf_metadata_sequence_class_init (MXFMetadataSequenceClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_sequence_finalize; metadata_base_class->handle_tag = mxf_metadata_sequence_handle_tag; metadata_base_class->resolve = mxf_metadata_sequence_resolve; } G_DEFINE_TYPE (MXFMetadataStructuralComponent, mxf_metadata_structural_component, MXF_TYPE_METADATA); static gboolean mxf_metadata_structural_component_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataStructuralComponent *self = MXF_METADATA_STRUCTURAL_COMPONENT (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x0201: if (tag_size != 16) goto error; memcpy (&self->data_definition, tag_data, 16); GST_DEBUG (" data definition = %s", mxf_ul_to_string (&self->data_definition, str)); break; case 0x0202: if (tag_size != 8) goto error; self->duration = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" duration = %" G_GINT64_FORMAT, self->duration); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_structural_component_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid structural component local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_structural_component_init (MXFMetadataStructuralComponent * self) { } static void mxf_metadata_structural_component_class_init (MXFMetadataStructuralComponentClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_structural_component_handle_tag; } G_DEFINE_TYPE (MXFMetadataTimecodeComponent, mxf_metadata_timecode_component, MXF_TYPE_METADATA_STRUCTURAL_COMPONENT); static gboolean mxf_metadata_timecode_component_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataTimecodeComponent *self = MXF_METADATA_TIMECODE_COMPONENT (metadata); gboolean ret = TRUE; switch (tag) { case 0x1502: if (tag_size != 2) goto error; self->rounded_timecode_base = GST_READ_UINT16_BE (tag_data); GST_DEBUG (" rounded timecode base = %u", self->rounded_timecode_base); break; case 0x1501: if (tag_size != 8) goto error; self->start_timecode = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" start timecode = %" G_GINT64_FORMAT, self->start_timecode); break; case 0x1503: if (tag_size != 1) goto error; self->drop_frame = (GST_READ_UINT8 (tag_data) != 0); GST_DEBUG (" drop frame = %s", (self->drop_frame) ? "yes" : "no"); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_timecode_component_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid timecode component local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_timecode_component_init (MXFMetadataTimecodeComponent * self) { } static void mxf_metadata_timecode_component_class_init (MXFMetadataTimecodeComponentClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_timecode_component_handle_tag; } G_DEFINE_TYPE (MXFMetadataSourceClip, mxf_metadata_source_clip, MXF_TYPE_METADATA_STRUCTURAL_COMPONENT); static gboolean mxf_metadata_source_clip_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataSourceClip *self = MXF_METADATA_SOURCE_CLIP (metadata); gboolean ret = TRUE; gchar str[96]; switch (tag) { case 0x1201: if (tag_size != 8) goto error; self->start_position = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" start position = %" G_GINT64_FORMAT, self->start_position); break; case 0x1101: if (tag_size != 32) goto error; memcpy (&self->source_package_id, tag_data, 32); GST_DEBUG (" source package id = %s", mxf_umid_to_string (&self->source_package_id, str)); break; case 0x1102: if (tag_size != 4) goto error; self->source_track_id = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" source track id = %u", self->source_track_id); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_source_clip_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid source clip local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_source_clip_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataSourceClip *self = MXF_METADATA_SOURCE_CLIP (m); MXFMetadataBase **p, *current; p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_SOURCE_PACKAGE (current)) { MXFMetadataGenericPackage *p = MXF_METADATA_GENERIC_PACKAGE (current); if (mxf_umid_is_equal (&p->package_uid, &self->source_package_id)) { self->source_package = MXF_METADATA_SOURCE_PACKAGE (current); break; } } p++; } return MXF_METADATA_BASE_CLASS (mxf_metadata_source_clip_parent_class)->resolve (m, metadata); } static void mxf_metadata_source_clip_init (MXFMetadataSourceClip * self) { } static void mxf_metadata_source_clip_class_init (MXFMetadataSourceClipClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_source_clip_handle_tag; metadata_base_class->resolve = mxf_metadata_source_clip_resolve; } G_DEFINE_TYPE (MXFMetadataDMSourceClip, mxf_metadata_dm_source_clip, MXF_TYPE_METADATA_SOURCE_CLIP); static void mxf_metadata_dm_source_clip_finalize (GstMiniObject * object) { MXFMetadataDMSourceClip *self = MXF_METADATA_DM_SOURCE_CLIP (object); g_free (self->track_ids); self->track_ids = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_dm_source_clip_parent_class)->finalize (object); } static gboolean mxf_metadata_dm_source_clip_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataDMSourceClip *self = MXF_METADATA_DM_SOURCE_CLIP (metadata); gboolean ret = TRUE; switch (tag) { case 0x6103: { guint32 len; guint i; if (tag_size < 8) goto error; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of track ids = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 4) goto error; if (tag_size < 8 + 4 * len) goto error; tag_data += 8; tag_size -= 8; self->n_track_ids = len; self->track_ids = g_new0 (guint32, len); for (i = 0; i < len; i++) { self->track_ids[i] = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" track id %u = %u", i, self->track_ids[i]); tag_data += 4; tag_size -= 4; } break; } default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_dm_source_clip_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid DM source clip local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_dm_source_clip_init (MXFMetadataDMSourceClip * self) { } static void mxf_metadata_dm_source_clip_class_init (MXFMetadataDMSourceClipClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_dm_source_clip_finalize; metadata_base_class->handle_tag = mxf_metadata_dm_source_clip_handle_tag; } G_DEFINE_TYPE (MXFMetadataDMSegment, mxf_metadata_dm_segment, MXF_TYPE_METADATA_STRUCTURAL_COMPONENT); static void mxf_metadata_dm_segment_finalize (GstMiniObject * object) { MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (object); g_free (self->track_ids); self->track_ids = NULL; g_free (self->event_comment); self->event_comment = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_dm_segment_parent_class)->finalize (object); } static gboolean mxf_metadata_dm_segment_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x0601: if (tag_size != 8) goto error; self->event_start_position = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" event start position = %" G_GINT64_FORMAT, self->event_start_position); break; case 0x0602: self->event_comment = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" event comment = %s", GST_STR_NULL (self->event_comment)); break; case 0x6102: { guint32 len; guint i; if (tag_size < 8) goto error; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of track ids = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 4) goto error; if (len * 4 + 8 < tag_size) goto error; self->n_track_ids = len; self->track_ids = g_new0 (guint32, len); tag_data += 8; tag_size -= 8; for (i = 0; i < len; i++) { self->track_ids[i] = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" track id %u = %u", i, self->track_ids[i]); tag_data += 4; tag_size -= 4; } break; } case 0x6101: if (tag_size != 16) goto error; memcpy (&self->dm_framework_uid, tag_data, 16); GST_DEBUG (" DM framework = %s", mxf_ul_to_string (&self->dm_framework_uid, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_dm_segment_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid DM segment local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_dm_segment_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (m); MXFMetadataBase **p = metadata, *current; while (*p) { current = *p; /* TODO: if (MXF_IS_DM_FRAMEWORK (current) && */ if (mxf_ul_is_equal (¤t->instance_uid, &self->dm_framework_uid)) { if (mxf_metadata_base_resolve (current, metadata)) { self->dm_framework = current; } break; } p++; } if (!self->dm_framework) { GST_ERROR ("Couldn't resolve DM framework"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_dm_segment_parent_class)->resolve (m, metadata); } static void mxf_metadata_dm_segment_init (MXFMetadataDMSegment * self) { } static void mxf_metadata_dm_segment_class_init (MXFMetadataDMSegmentClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_dm_segment_finalize; metadata_base_class->handle_tag = mxf_metadata_dm_segment_handle_tag; metadata_base_class->resolve = mxf_metadata_dm_segment_resolve; } G_DEFINE_ABSTRACT_TYPE (MXFMetadataGenericDescriptor, mxf_metadata_generic_descriptor, MXF_TYPE_METADATA); static void mxf_metadata_generic_descriptor_finalize (GstMiniObject * object) { MXFMetadataGenericDescriptor *self = MXF_METADATA_GENERIC_DESCRIPTOR (object); g_free (self->locators_uids); self->locators_uids = NULL; g_free (self->locators); self->locators = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_generic_descriptor_parent_class)->finalize (object); } static gboolean mxf_metadata_generic_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataGenericDescriptor *self = MXF_METADATA_GENERIC_DESCRIPTOR (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x2f01:{ guint32 len; guint i; if (tag_size < 8) goto error; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of locators = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; self->locators_uids = g_new (MXFUL, len); self->n_locators = len; for (i = 0; i < len; i++) { memcpy (&self->locators_uids[i], tag_data + 8 + i * 16, 16); GST_DEBUG (" locator %u = %s", i, mxf_ul_to_string (&self->locators_uids[i], str)); } break; } default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_generic_descriptor_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid generic descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_generic_descriptor_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataGenericDescriptor *self = MXF_METADATA_GENERIC_DESCRIPTOR (m); MXFMetadataBase **p, *current; guint i; gboolean have_locator = FALSE; self->locators = g_new0 (MXFMetadataLocator *, self->n_locators); for (i = 0; i < self->n_locators; i++) { p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_LOCATOR (current) && mxf_ul_is_equal (¤t->instance_uid, &self->locators_uids[i])) { if (mxf_metadata_base_resolve (current, metadata)) { self->locators[i] = MXF_METADATA_LOCATOR (current); have_locator = TRUE; } break; } p++; } } if (!have_locator && self->n_locators > 0) { GST_ERROR ("Couldn't resolve a locator"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_generic_descriptor_parent_class)->resolve (m, metadata); } static void mxf_metadata_generic_descriptor_init (MXFMetadataGenericDescriptor * self) { } static void mxf_metadata_generic_descriptor_class_init (MXFMetadataGenericDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_generic_descriptor_finalize; metadata_base_class->handle_tag = mxf_metadata_generic_descriptor_handle_tag; metadata_base_class->resolve = mxf_metadata_generic_descriptor_resolve; } G_DEFINE_TYPE (MXFMetadataFileDescriptor, mxf_metadata_file_descriptor, MXF_TYPE_METADATA_GENERIC_DESCRIPTOR); static gboolean mxf_metadata_file_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataFileDescriptor *self = MXF_METADATA_FILE_DESCRIPTOR (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x3006: if (tag_size != 4) goto error; self->linked_track_id = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" linked track id = %u", self->linked_track_id); break; case 0x3001: if (!mxf_fraction_parse (&self->sample_rate, tag_data, tag_size)) goto error; GST_DEBUG (" sample rate = %d/%d", self->sample_rate.n, self->sample_rate.d); break; case 0x3002: if (tag_size != 8) goto error; self->container_duration = GST_READ_UINT64_BE (tag_data); GST_DEBUG (" container duration = %" G_GINT64_FORMAT, self->container_duration); break; case 0x3004: if (tag_size != 16) goto error; memcpy (&self->essence_container, tag_data, 16); GST_DEBUG (" essence container = %s", mxf_ul_to_string (&self->essence_container, str)); break; case 0x3005: if (tag_size != 16) goto error; memcpy (&self->codec, tag_data, 16); GST_DEBUG (" codec = %s", mxf_ul_to_string (&self->codec, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_file_descriptor_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid file descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_file_descriptor_init (MXFMetadataFileDescriptor * self) { } static void mxf_metadata_file_descriptor_class_init (MXFMetadataFileDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_file_descriptor_handle_tag; } G_DEFINE_TYPE (MXFMetadataGenericPictureEssenceDescriptor, mxf_metadata_generic_picture_essence_descriptor, MXF_TYPE_METADATA_FILE_DESCRIPTOR); static gboolean mxf_metadata_generic_picture_essence_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataGenericPictureEssenceDescriptor *self = MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x3215: if (tag_size != 1) goto error; self->signal_standard = GST_READ_UINT8 (tag_data); GST_DEBUG (" signal standard = %u", self->signal_standard); break; case 0x320c: if (tag_size != 1) goto error; self->frame_layout = GST_READ_UINT8 (tag_data); GST_DEBUG (" frame layout = %u", self->frame_layout); break; case 0x3203: if (tag_size != 4) goto error; self->stored_width = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" stored width = %u", self->stored_width); break; case 0x3202: if (tag_size != 4) goto error; self->stored_height = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" stored height = %u", self->stored_height); break; case 0x3216: if (tag_size != 4) goto error; self->stored_f2_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" stored f2 offset = %d", self->stored_f2_offset); break; case 0x3205: if (tag_size != 4) goto error; self->sampled_width = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" sampled width = %u", self->sampled_width); break; case 0x3204: if (tag_size != 4) goto error; self->sampled_height = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" sampled height = %u", self->sampled_height); break; case 0x3206: if (tag_size != 4) goto error; self->sampled_x_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" sampled x offset = %d", self->sampled_x_offset); break; case 0x3207: if (tag_size != 4) goto error; self->sampled_y_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" sampled y offset = %d", self->sampled_y_offset); break; case 0x3208: if (tag_size != 4) goto error; self->display_height = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" display height = %u", self->display_height); break; case 0x3209: if (tag_size != 4) goto error; self->display_width = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" display width = %u", self->display_width); break; case 0x320a: if (tag_size != 4) goto error; self->display_x_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" display x offset = %d", self->display_x_offset); break; case 0x320b: if (tag_size != 4) goto error; self->display_y_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" display y offset = %d", self->display_y_offset); break; case 0x3217: if (tag_size != 4) goto error; self->display_f2_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" display f2 offset = %d", self->display_f2_offset); break; case 0x320e: if (!mxf_fraction_parse (&self->aspect_ratio, tag_data, tag_size)) goto error; GST_DEBUG (" aspect ratio = %d/%d", self->aspect_ratio.n, self->aspect_ratio.d); break; case 0x3218: if (tag_size != 1) goto error; self->active_format_descriptor = GST_READ_UINT8 (tag_data); GST_DEBUG (" active format descriptor = %u", self->active_format_descriptor); break; case 0x320d: if (tag_size < 8) goto error; if (GST_READ_UINT32_BE (tag_data) == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data) != 2 && GST_READ_UINT32_BE (tag_data + 4) != 4) goto error; if (tag_size != 16) goto error; self->video_line_map[0] = GST_READ_UINT32_BE (tag_data + 8); self->video_line_map[1] = GST_READ_UINT32_BE (tag_data + 12); GST_DEBUG (" video line map = {%i, %i}", self->video_line_map[0], self->video_line_map[1]); break; case 0x320f: if (tag_size != 1) goto error; self->alpha_transparency = GST_READ_UINT8 (tag_data); GST_DEBUG (" alpha transparency = %u", self->alpha_transparency); break; case 0x3210: if (tag_size != 16) goto error; memcpy (&self->capture_gamma, tag_data, 16); GST_DEBUG (" capture gamma = %s", mxf_ul_to_string (&self->capture_gamma, str)); break; case 0x3211: if (tag_size != 4) goto error; self->image_alignment_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" image alignment offset = %u", self->image_alignment_offset); break; case 0x3213: if (tag_size != 4) goto error; self->image_start_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" image start offset = %u", self->image_start_offset); break; case 0x3214: if (tag_size != 4) goto error; self->image_end_offset = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" image end offset = %u", self->image_end_offset); break; case 0x3212: if (tag_size != 1) goto error; self->field_dominance = GST_READ_UINT8 (tag_data); GST_DEBUG (" field dominance = %u", self->field_dominance); break; case 0x3201: if (tag_size != 16) goto error; memcpy (&self->picture_essence_coding, tag_data, 16); GST_DEBUG (" picture essence coding = %s", mxf_ul_to_string (&self->picture_essence_coding, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_generic_picture_essence_descriptor_parent_class)-> handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid generic picture essence descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_generic_picture_essence_descriptor_init (MXFMetadataGenericPictureEssenceDescriptor * self) { self->signal_standard = 1; } static void mxf_metadata_generic_picture_essence_descriptor_class_init (MXFMetadataGenericPictureEssenceDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_generic_picture_essence_descriptor_handle_tag; } void mxf_metadata_generic_picture_essence_descriptor_set_caps (MXFMetadataGenericPictureEssenceDescriptor * self, GstCaps * caps) { guint par_n, par_d; guint width, height; MXFMetadataFileDescriptor *f = (MXFMetadataFileDescriptor *) self; g_return_if_fail (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (self)); g_return_if_fail (GST_IS_CAPS (caps)); if (f->sample_rate.d == 0) { GST_ERROR ("Invalid framerate"); } else { gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, f->sample_rate.n, f->sample_rate.d, NULL); } width = self->stored_width; height = self->stored_height; /* If the video is stored as separate fields the * height is only the height of one field, i.e. * half the height of the frame. * * See SMPTE 377M E2.2 and E1.2 */ if (self->frame_layout == 1 || self->frame_layout == 2 || self->frame_layout == 4) height *= 2; if (width == 0 || height == 0) { GST_ERROR ("Invalid width/height"); return; } gst_caps_set_simple (caps, "width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL); if (self->aspect_ratio.n == 0 || self->aspect_ratio.d == 0) { GST_ERROR ("Invalid aspect ratio"); return; } par_n = height * self->aspect_ratio.n; par_d = width * self->aspect_ratio.d; gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL); } G_DEFINE_TYPE (MXFMetadataGenericSoundEssenceDescriptor, mxf_metadata_generic_sound_essence_descriptor, MXF_TYPE_METADATA_FILE_DESCRIPTOR); static gboolean mxf_metadata_generic_sound_essence_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataGenericSoundEssenceDescriptor *self = MXF_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x3d03: if (!mxf_fraction_parse (&self->audio_sampling_rate, tag_data, tag_size)) goto error; GST_DEBUG (" audio sampling rate = %d/%d", self->audio_sampling_rate.n, self->audio_sampling_rate.d); break; case 0x3d02: if (tag_size != 1) goto error; self->locked = (GST_READ_UINT8 (tag_data) != 0); GST_DEBUG (" locked = %s", (self->locked) ? "yes" : "no"); break; case 0x3d04: if (tag_size != 1) goto error; self->audio_ref_level = GST_READ_UINT8 (tag_data); GST_DEBUG (" audio ref level = %d", self->audio_ref_level); break; case 0x3d05: if (tag_size != 1) goto error; self->electro_spatial_formulation = GST_READ_UINT8 (tag_data); GST_DEBUG (" electro spatial formulation = %u", self->electro_spatial_formulation); break; case 0x3d07: if (tag_size != 4) goto error; self->channel_count = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" channel count = %u", self->channel_count); break; case 0x3d01: if (tag_size != 4) goto error; self->quantization_bits = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" quantization bits = %u", self->quantization_bits); break; case 0x3d0c: if (tag_size != 1) goto error; self->dial_norm = GST_READ_UINT8 (tag_data); GST_DEBUG (" dial norm = %d", self->dial_norm); break; case 0x3d06: if (tag_size != 16) goto error; memcpy (&self->sound_essence_compression, tag_data, 16); GST_DEBUG (" sound essence compression = %s", mxf_ul_to_string (&self->sound_essence_compression, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_generic_sound_essence_descriptor_parent_class)-> handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid generic sound essence descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_generic_sound_essence_descriptor_init (MXFMetadataGenericSoundEssenceDescriptor * self) { self->audio_sampling_rate.n = 48000; self->audio_sampling_rate.d = 1; } static void mxf_metadata_generic_sound_essence_descriptor_class_init (MXFMetadataGenericSoundEssenceDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_generic_sound_essence_descriptor_handle_tag; } void mxf_metadata_generic_sound_essence_descriptor_set_caps (MXFMetadataGenericSoundEssenceDescriptor * self, GstCaps * caps) { g_return_if_fail (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (self)); g_return_if_fail (GST_IS_CAPS (caps)); if (self->audio_sampling_rate.n == 0 || self->audio_sampling_rate.d == 0) { GST_ERROR ("Invalid audio sampling rate"); } else { gst_caps_set_simple (caps, "rate", G_TYPE_INT, (gint) ((((gdouble) self->audio_sampling_rate.n) / ((gdouble) self->audio_sampling_rate.d)) + 0.5), NULL); } if (self->channel_count == 0) { GST_ERROR ("Invalid number of channels (0)"); } else { gst_caps_set_simple (caps, "channels", G_TYPE_INT, self->channel_count, NULL); } } G_DEFINE_TYPE (MXFMetadataCDCIPictureEssenceDescriptor, mxf_metadata_cdci_picture_essence_descriptor, MXF_TYPE_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR); static gboolean mxf_metadata_cdci_picture_essence_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataCDCIPictureEssenceDescriptor *self = MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR (metadata); gboolean ret = TRUE; switch (tag) { case 0x3301: if (tag_size != 4) goto error; self->component_depth = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" component depth = %u", self->component_depth); break; case 0x3302: if (tag_size != 4) goto error; self->horizontal_subsampling = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" horizontal subsampling = %u", self->horizontal_subsampling); break; case 0x3308: if (tag_size != 4) goto error; self->vertical_subsampling = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" vertical subsampling = %u", self->vertical_subsampling); break; case 0x3303: if (tag_size != 1) goto error; self->color_siting = GST_READ_UINT8 (tag_data); GST_DEBUG (" color siting = %u", self->color_siting); break; case 0x330b: if (tag_size != 1) goto error; self->reversed_byte_order = GST_READ_UINT8 (tag_data); GST_DEBUG (" reversed byte order = %s", (self->reversed_byte_order) ? "yes" : "no"); break; case 0x3307: if (tag_size != 2) goto error; self->padding_bits = GST_READ_UINT16_BE (tag_data); GST_DEBUG (" padding bits = %d", self->padding_bits); break; case 0x3309: if (tag_size != 4) goto error; self->alpha_sample_depth = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" alpha sample depth = %u", self->alpha_sample_depth); break; case 0x3304: if (tag_size != 4) goto error; self->black_ref_level = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" black ref level = %u", self->black_ref_level); break; case 0x3305: if (tag_size != 4) goto error; self->white_ref_level = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" white ref level = %u", self->white_ref_level); break; case 0x3306: if (tag_size != 4) goto error; self->color_range = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" color range = %u", self->color_range); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_cdci_picture_essence_descriptor_parent_class)-> handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid CDCI picture essence descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_cdci_picture_essence_descriptor_init (MXFMetadataCDCIPictureEssenceDescriptor * self) { } static void mxf_metadata_cdci_picture_essence_descriptor_class_init (MXFMetadataCDCIPictureEssenceDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_cdci_picture_essence_descriptor_handle_tag; } G_DEFINE_TYPE (MXFMetadataRGBAPictureEssenceDescriptor, mxf_metadata_rgba_picture_essence_descriptor, MXF_TYPE_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR); static void mxf_metadata_rgba_picture_essence_descriptor_finalize (GstMiniObject * object) { MXFMetadataRGBAPictureEssenceDescriptor *self = MXF_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (object); g_free (self->pixel_layout); self->pixel_layout = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_rgba_picture_essence_descriptor_parent_class)->finalize (object); } static gboolean mxf_metadata_rgba_picture_essence_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataRGBAPictureEssenceDescriptor *self = MXF_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (metadata); gboolean ret = TRUE; switch (tag) { case 0x3406: if (tag_size != 4) goto error; self->component_max_ref = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" component max ref = %u", self->component_max_ref); break; case 0x3407: if (tag_size != 4) goto error; self->component_min_ref = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" component min ref = %u", self->component_min_ref); break; case 0x3408: if (tag_size != 4) goto error; self->alpha_max_ref = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" alpha max ref = %u", self->alpha_max_ref); break; case 0x3409: if (tag_size != 4) goto error; self->alpha_min_ref = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" alpha min ref = %u", self->alpha_min_ref); break; case 0x3405: if (tag_size != 1) goto error; self->scanning_direction = GST_READ_UINT8 (tag_data); GST_DEBUG (" scanning direction = %u", self->scanning_direction); break; case 0x3401:{ guint i, len; if (tag_size % 2 != 0) goto error; i = 0; while (tag_data[i] != 0 && tag_data[i + 1] != 0 && i + 2 <= tag_size) i += 2; len = i / 2; self->n_pixel_layout = len; GST_DEBUG (" number of pixel layouts = %u", len); if (len == 0) return TRUE; self->pixel_layout = g_malloc0 (2 * len); for (i = 0; i < len; i++) { self->pixel_layout[2 * i] = tag_data[2 * i]; self->pixel_layout[2 * i + 1] = tag_data[2 * i + 1]; GST_DEBUG (" pixel layout %u = %c : %u", i, (gchar) self->pixel_layout[2 * i], self->pixel_layout[2 * i + 1]); } break; } case 0x3403: case 0x3404: /* TODO: handle this */ GST_WARNING (" tag 0x%04x not implemented yet", tag); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_rgba_picture_essence_descriptor_parent_class)-> handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid RGBA picture essence descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_rgba_picture_essence_descriptor_init (MXFMetadataRGBAPictureEssenceDescriptor * self) { self->component_max_ref = 255; self->alpha_max_ref = 255; } static void mxf_metadata_rgba_picture_essence_descriptor_class_init (MXFMetadataRGBAPictureEssenceDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_rgba_picture_essence_descriptor_finalize; metadata_base_class->handle_tag = mxf_metadata_rgba_picture_essence_descriptor_handle_tag; } G_DEFINE_TYPE (MXFMetadataGenericDataEssenceDescriptor, mxf_metadata_generic_data_essence_descriptor, MXF_TYPE_METADATA_FILE_DESCRIPTOR); static gboolean mxf_metadata_generic_data_essence_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataGenericDataEssenceDescriptor *self = MXF_METADATA_GENERIC_DATA_ESSENCE_DESCRIPTOR (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x3e01: if (tag_size != 16) goto error; memcpy (&self->data_essence_compression, tag_data, 16); GST_DEBUG (" data essence compression = %s", mxf_ul_to_string (&self->data_essence_compression, str)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_generic_data_essence_descriptor_parent_class)-> handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid generic data essence descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static void mxf_metadata_generic_data_essence_descriptor_init (MXFMetadataGenericDataEssenceDescriptor * self) { } static void mxf_metadata_generic_data_essence_descriptor_class_init (MXFMetadataGenericDataEssenceDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; metadata_base_class->handle_tag = mxf_metadata_generic_data_essence_descriptor_handle_tag; } G_DEFINE_TYPE (MXFMetadataMultipleDescriptor, mxf_metadata_multiple_descriptor, MXF_TYPE_METADATA_FILE_DESCRIPTOR); static void mxf_metadata_multiple_descriptor_finalize (GstMiniObject * object) { MXFMetadataMultipleDescriptor *self = MXF_METADATA_MULTIPLE_DESCRIPTOR (object); g_free (self->sub_descriptors_uids); self->sub_descriptors_uids = NULL; g_free (self->sub_descriptors); self->sub_descriptors = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_multiple_descriptor_parent_class)->finalize (object); } static gboolean mxf_metadata_multiple_descriptor_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataMultipleDescriptor *self = MXF_METADATA_MULTIPLE_DESCRIPTOR (metadata); gboolean ret = TRUE; gchar str[48]; switch (tag) { case 0x3f01:{ guint32 len; guint i; if (tag_size < 8) goto error; len = GST_READ_UINT32_BE (tag_data); GST_DEBUG (" number of sub descriptors = %u", len); if (len == 0) return TRUE; if (GST_READ_UINT32_BE (tag_data + 4) != 16) goto error; tag_data += 8; tag_size -= 8; if (tag_size < len * 16) goto error; self->n_sub_descriptors = len; self->sub_descriptors_uids = g_new (MXFUL, len); for (i = 0; i < len; i++) { memcpy (&self->sub_descriptors_uids[i], tag_data, 16); tag_data += 16; tag_size -= 16; GST_DEBUG (" sub descriptor %u = %s", i, mxf_ul_to_string (&self->sub_descriptors_uids[i], str)); } break; } default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_multiple_descriptor_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; error: GST_ERROR ("Invalid multiple descriptor local tag 0x%04x of size %u", tag, tag_size); return FALSE; } static gboolean mxf_metadata_multiple_descriptor_resolve (MXFMetadataBase * m, MXFMetadataBase ** metadata) { MXFMetadataMultipleDescriptor *self = MXF_METADATA_MULTIPLE_DESCRIPTOR (m); MXFMetadataBase **p, *current; guint i, have_subdescriptors = 0; self->sub_descriptors = g_new0 (MXFMetadataGenericDescriptor *, self->n_sub_descriptors); for (i = 0; i < self->n_sub_descriptors; i++) { p = metadata; while (*p) { current = *p; if (MXF_IS_METADATA_GENERIC_DESCRIPTOR (current) && mxf_ul_is_equal (¤t->instance_uid, &self->sub_descriptors_uids[i])) { if (mxf_metadata_base_resolve (current, metadata)) { self->sub_descriptors[i] = MXF_METADATA_GENERIC_DESCRIPTOR (current); have_subdescriptors++; } break; } p++; } } if (have_subdescriptors != self->n_sub_descriptors) { GST_ERROR ("Couldn't resolve all subdescriptors"); return FALSE; } return MXF_METADATA_BASE_CLASS (mxf_metadata_multiple_descriptor_parent_class)->resolve (m, metadata); } static void mxf_metadata_multiple_descriptor_init (MXFMetadataMultipleDescriptor * self) { } static void mxf_metadata_multiple_descriptor_class_init (MXFMetadataMultipleDescriptorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_multiple_descriptor_finalize; metadata_base_class->handle_tag = mxf_metadata_multiple_descriptor_handle_tag; metadata_base_class->resolve = mxf_metadata_multiple_descriptor_resolve; } G_DEFINE_ABSTRACT_TYPE (MXFMetadataLocator, mxf_metadata_locator, MXF_TYPE_METADATA); static void mxf_metadata_locator_init (MXFMetadataLocator * self) { } static void mxf_metadata_locator_class_init (MXFMetadataLocatorClass * klass) { } G_DEFINE_TYPE (MXFMetadataTextLocator, mxf_metadata_text_locator, MXF_TYPE_METADATA_LOCATOR); static void mxf_metadata_text_locator_finalize (GstMiniObject * object) { MXFMetadataTextLocator *self = MXF_METADATA_TEXT_LOCATOR (object); g_free (self->locator_name); self->locator_name = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_text_locator_parent_class)->finalize (object); } static gboolean mxf_metadata_text_locator_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataTextLocator *self = MXF_METADATA_TEXT_LOCATOR (metadata); gboolean ret = TRUE; switch (tag) { case 0x4101: self->locator_name = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" text locator = %s", GST_STR_NULL (self->locator_name)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_text_locator_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; } static void mxf_metadata_text_locator_init (MXFMetadataTextLocator * self) { } static void mxf_metadata_text_locator_class_init (MXFMetadataTextLocatorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_text_locator_finalize; metadata_base_class->handle_tag = mxf_metadata_text_locator_handle_tag; } G_DEFINE_TYPE (MXFMetadataNetworkLocator, mxf_metadata_network_locator, MXF_TYPE_METADATA_LOCATOR); static void mxf_metadata_network_locator_finalize (GstMiniObject * object) { MXFMetadataNetworkLocator *self = MXF_METADATA_NETWORK_LOCATOR (object); g_free (self->url_string); self->url_string = NULL; GST_MINI_OBJECT_CLASS (mxf_metadata_network_locator_parent_class)->finalize (object); } static gboolean mxf_metadata_network_locator_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data, guint tag_size) { MXFMetadataNetworkLocator *self = MXF_METADATA_NETWORK_LOCATOR (metadata); gboolean ret = TRUE; switch (tag) { case 0x4101: self->url_string = mxf_utf16_to_utf8 (tag_data, tag_size); GST_DEBUG (" url string = %s", GST_STR_NULL (self->url_string)); break; default: ret = MXF_METADATA_BASE_CLASS (mxf_metadata_network_locator_parent_class)->handle_tag (metadata, primer, tag, tag_data, tag_size); break; } return ret; } static void mxf_metadata_network_locator_init (MXFMetadataNetworkLocator * self) { } static void mxf_metadata_network_locator_class_init (MXFMetadataNetworkLocatorClass * klass) { MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass; GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass; miniobject_class->finalize = mxf_metadata_network_locator_finalize; metadata_base_class->handle_tag = mxf_metadata_network_locator_handle_tag; }