writeaviddv50.c

/*
 * Example showing how to create Avid supported MXF OP-Atom files containing DV-50
 *
 * Copyright (C) 2006, British Broadcasting Corporation
 * All Rights Reserved.
 *
 * Author: Philip de Nier
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the British Broadcasting Corporation nor the names
 *       of its contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include <mxf/mxf.h>
#include <mxf/mxf_avid.h>
#include <mxf/mxf_macros.h>


static const mxfUUID g_WrapDV50ProductUID_uuid =
    {0x86, 0x78, 0xf7, 0x50, 0x59, 0x4d, 0x42, 0x2a, 0x98, 0x49, 0x66, 0x7a, 0xc0, 0xee, 0xfa, 0xe0};



/*
 * Write DV-50 essence data to an MXF Op Atom file
 *
 * The MXF file consists of the following parts (in order):
 *  - header partition pack
 *  - primer pack
 *  - header metadata sets
 *  - body partition pack
 *  - dv50 clip wrapped essence element
 *  - footer partition pack
 *  - index table segment
 *  - random index pack
 *
 */

int write_dv50(FILE *dv50File, MXFFile *mxfFile)
{
    MXFFilePartitions partitions;
    MXFPartition *headerPartition;
    MXFPartition *bodyPartition;
    MXFPartition *footerPartition;
    MXFHeaderMetadata *headerMetadata = NULL;
    MXFMetadataSet *metaDictSet = NULL;
    MXFMetadataSet *prefaceSet = NULL;
    MXFMetadataSet *identSet = NULL;
    MXFMetadataSet *contentStorageSet = NULL;
    MXFMetadataSet *sourcePackageSet = NULL;
    MXFMetadataSet *materialPackageSet = NULL;
    MXFMetadataSet *sourcePackageTrackSet = NULL;
    MXFMetadataSet *materialPackageTrackSet = NULL;
    MXFMetadataSet *sequenceSet = NULL;
    MXFMetadataSet *sourceClipSet = NULL;
    MXFMetadataSet *essContainerDataSet = NULL;
    MXFMetadataSet *cdciDescriptorSet = NULL;
    MXFDataModel *dataModel = NULL;
    MXFIndexTableSegment *indexSegment = NULL;
    MXFEssenceElement *essenceElement = NULL;
    MXFMetadataItem *durationItem1 = NULL;
    MXFMetadataItem *durationItem2 = NULL;
    MXFMetadataItem *durationItem3 = NULL;
    MXFMetadataItem *durationItem4 = NULL;
    MXFMetadataItem *durationItem5 = NULL;
    MXFMetadataItem *imageSizeItem = NULL;
    mxfTimestamp now;
    uint32_t bodySID = 1;
    uint32_t indexSID = 2;
    mxfUUID thisGeneration;
    mxfUTF16Char *companyName = L"BBC Research";
    mxfUTF16Char *productName = L"Write Avid DV-50 example";
    mxfUTF16Char *versionString = L"Alpha version";
    mxfUMID sourcePackageUMID;
    mxfUMID materialPackageUMID;
    uint32_t sourceTrackID = 1;
    uint32_t sourceTrackNumber = 0x18010201;
    mxfRational sampleRate = {25, 1};
    mxfRational editRate = sampleRate;
    mxfLength duration = 0;
    mxfRational aspectRatio = {4, 3};
    mxfUUID indexSegmentUUID;
    uint32_t frameSize = 288000;
    int32_t imageSize = 0;
    int32_t resolutionID = 0x8e;
    const uint32_t essenceBufferSize = 4096;
    uint8_t buffer[4096];
    int done = 0;
    uint8_t *arrayElement;
    int64_t headerMetadataPos;
    int test_frame_count = 0;


    mxf_generate_uuid(&thisGeneration);
    mxf_get_timestamp_now(&now);
    /* Older Avids could fail when given files with UMIDs generated using
       other methods. (Note: not 100% sure this is true) */
    mxf_generate_aafsdk_umid(&sourcePackageUMID);
    mxf_generate_aafsdk_umid(&materialPackageUMID);
    mxf_generate_uuid(&indexSegmentUUID);

    mxf_initialise_file_partitions(&partitions);


    /* set the minimum llen */
    mxf_file_set_min_llen(mxfFile, 4);


    /* load the data model, plus AVID extensions */

    CHK_ORET(mxf_load_data_model(&dataModel));
    CHK_ORET(mxf_avid_load_extensions(dataModel));
    CHK_ORET(mxf_finalise_data_model(dataModel));



    /* write the header partition pack */

    CHK_ORET(mxf_append_new_partition(&partitions, &headerPartition));
    headerPartition->key = MXF_PP_K(ClosedComplete, Header);
    headerPartition->majorVersion = 1;
    headerPartition->minorVersion = 2;
    headerPartition->kagSize = 0x100;
    headerPartition->operationalPattern = MXF_OP_L(atom, NTracks_1SourceClip);
    CHK_ORET(mxf_append_partition_esscont_label(headerPartition, &MXF_EC_L(DVBased_50_625_50_ClipWrapped)));

    CHK_ORET(mxf_write_partition(mxfFile, headerPartition));
    CHK_ORET(mxf_fill_to_kag(mxfFile, headerPartition));



    /* create the header metadata */

    CHK_ORET(mxf_create_header_metadata(&headerMetadata, dataModel));


    /* create the Avid meta-dictionary */

    CHK_ORET(mxf_avid_create_default_metadictionary(headerMetadata, &metaDictSet));


    /* Preface */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Preface), &prefaceSet));
    CHK_ORET(mxf_set_timestamp_item(prefaceSet, &MXF_ITEM_K(Preface, LastModifiedDate), &now));
    CHK_ORET(mxf_set_version_type_item(prefaceSet, &MXF_ITEM_K(Preface, Version), MXF_PREFACE_VER(1, 2)));
    CHK_ORET(mxf_set_ul_item(prefaceSet, &MXF_ITEM_K(Preface, OperationalPattern), &MXF_OP_L(atom, NTracks_1SourceClip)));
    CHK_ORET(mxf_alloc_array_item_elements(prefaceSet, &MXF_ITEM_K(Preface, EssenceContainers), mxfUL_extlen, 1, &arrayElement));
    mxf_set_ul(&MXF_EC_L(DVBased_50_625_50_ClipWrapped), arrayElement);


    /* Preface - Identification */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Identification), &identSet));
    CHK_ORET(mxf_add_array_item_strongref(prefaceSet, &MXF_ITEM_K(Preface, Identifications), identSet));
    CHK_ORET(mxf_set_uuid_item(identSet, &MXF_ITEM_K(Identification, ThisGenerationUID), &thisGeneration));
    CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, CompanyName), companyName));
    CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, ProductName), productName));
    CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, VersionString), versionString));
    CHK_ORET(mxf_set_uuid_item(identSet, &MXF_ITEM_K(Identification, ProductUID), &g_WrapDV50ProductUID_uuid));
    CHK_ORET(mxf_set_timestamp_item(identSet, &MXF_ITEM_K(Identification, ModificationDate), &now));
    CHK_ORET(mxf_set_product_version_item(identSet, &MXF_ITEM_K(Identification, ToolkitVersion), mxf_get_version()));
    CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, Platform), mxf_get_platform_wstring()));


    /* Preface - ContentStorage */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(ContentStorage), &contentStorageSet));
    CHK_ORET(mxf_set_strongref_item(prefaceSet, &MXF_ITEM_K(Preface, ContentStorage), contentStorageSet));


    /* Preface - ContentStorage - MaterialPackage */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(MaterialPackage), &materialPackageSet));
    CHK_ORET(mxf_add_array_item_strongref(contentStorageSet, &MXF_ITEM_K(ContentStorage, Packages), materialPackageSet));
    CHK_ORET(mxf_set_umid_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, PackageUID), &materialPackageUMID));
    CHK_ORET(mxf_set_timestamp_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, PackageCreationDate), &now));
    CHK_ORET(mxf_set_timestamp_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, PackageModifiedDate), &now));
    CHK_ORET(mxf_set_utf16string_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, Name), L"writedv50 material"));

    /* Preface - ContentStorage - MaterialPackage - Timeline Track */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Track), &materialPackageTrackSet));
    CHK_ORET(mxf_add_array_item_strongref(materialPackageSet, &MXF_ITEM_K(GenericPackage, Tracks), materialPackageTrackSet));
    CHK_ORET(mxf_set_uint32_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackID), sourceTrackID));
    CHK_ORET(mxf_set_uint32_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber), sourceTrackNumber));
    CHK_ORET(mxf_set_rational_item(materialPackageTrackSet, &MXF_ITEM_K(Track, EditRate), &editRate));
    CHK_ORET(mxf_set_position_item(materialPackageTrackSet, &MXF_ITEM_K(Track, Origin), 0));

    /* Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Sequence), &sequenceSet));
    CHK_ORET(mxf_set_strongref_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, Sequence), sequenceSet));
    CHK_ORET(mxf_set_ul_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
    CHK_ORET(mxf_set_length_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));

    CHK_ORET(mxf_get_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem1));

    /* Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence - SourceClip */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(SourceClip), &sourceClipSet));
    CHK_ORET(mxf_add_array_item_strongref(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), sourceClipSet));
    CHK_ORET(mxf_set_ul_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
    CHK_ORET(mxf_set_length_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));
    CHK_ORET(mxf_set_position_item(sourceClipSet, &MXF_ITEM_K(SourceClip, StartPosition), 0));
    CHK_ORET(mxf_set_umid_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourcePackageID), &sourcePackageUMID));
    CHK_ORET(mxf_set_uint32_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourceTrackID), sourceTrackID));

    CHK_ORET(mxf_get_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem2));


    /* Preface - ContentStorage - SourcePackage */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(SourcePackage), &sourcePackageSet));
    CHK_ORET(mxf_add_array_item_strongref(contentStorageSet, &MXF_ITEM_K(ContentStorage, Packages), sourcePackageSet));
    CHK_ORET(mxf_set_weakref_item(prefaceSet, &MXF_ITEM_K(Preface, PrimaryPackage), sourcePackageSet));
    CHK_ORET(mxf_set_umid_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, PackageUID), &sourcePackageUMID));
    CHK_ORET(mxf_set_timestamp_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, PackageCreationDate), &now));
    CHK_ORET(mxf_set_timestamp_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, PackageModifiedDate), &now));
    CHK_ORET(mxf_set_utf16string_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, Name), L"writedv50 source"));

    /* Preface - ContentStorage - SourcePackage - Timeline Track */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Track), &sourcePackageTrackSet));
    CHK_ORET(mxf_add_array_item_strongref(sourcePackageSet, &MXF_ITEM_K(GenericPackage, Tracks), sourcePackageTrackSet));
    CHK_ORET(mxf_set_uint32_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackID), sourceTrackID));
    CHK_ORET(mxf_set_uint32_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber), sourceTrackNumber));
    CHK_ORET(mxf_set_rational_item(sourcePackageTrackSet, &MXF_ITEM_K(Track, EditRate), &editRate));
    CHK_ORET(mxf_set_position_item(sourcePackageTrackSet, &MXF_ITEM_K(Track, Origin), 0));

    /* Preface - ContentStorage - SourcePackage - Timeline Track - Sequence */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Sequence), &sequenceSet));
    CHK_ORET(mxf_set_strongref_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, Sequence), sequenceSet));
    CHK_ORET(mxf_set_ul_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
    CHK_ORET(mxf_set_length_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));

    CHK_ORET(mxf_get_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem3));

    /* Preface - ContentStorage - SourcePackage - Timeline Track - Sequence - SourceClip */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(SourceClip), &sourceClipSet));
    CHK_ORET(mxf_add_array_item_strongref(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), sourceClipSet));
    CHK_ORET(mxf_set_ul_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
    CHK_ORET(mxf_set_length_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));
    CHK_ORET(mxf_set_position_item(sourceClipSet, &MXF_ITEM_K(SourceClip, StartPosition), 0));
    CHK_ORET(mxf_set_umid_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourcePackageID), &g_Null_UMID));
    CHK_ORET(mxf_set_uint32_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourceTrackID), 0));

    CHK_ORET(mxf_get_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem4));

    /* Preface - ContentStorage - SourcePackage - CDCIEssenceDescriptor */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(CDCIEssenceDescriptor), &cdciDescriptorSet));
    CHK_ORET(mxf_set_strongref_item(sourcePackageSet, &MXF_ITEM_K(SourcePackage, Descriptor), cdciDescriptorSet));
    CHK_ORET(mxf_set_rational_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, SampleRate), &sampleRate));
    CHK_ORET(mxf_set_length_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, ContainerDuration), duration));
    CHK_ORET(mxf_set_ul_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, EssenceContainer), &MXF_EC_L(DVBased_50_625_50_ClipWrapped)));
    CHK_ORET(mxf_set_ul_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, PictureEssenceCoding), &MXF_CMDEF_L(DVBased_50_625_50)));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, StoredHeight), 288));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, StoredWidth), 720));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledHeight), 288));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledWidth), 720));
    CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledXOffset), 0));
    CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledYOffset), 0));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayHeight), 288));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayWidth), 720));
    CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayXOffset), 0));
    CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayYOffset), 0));
    CHK_ORET(mxf_set_uint8_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, FrameLayout), MXF_SEPARATE_FIELDS));
    CHK_ORET(mxf_alloc_array_item_elements(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, VideoLineMap), 4, 2, &arrayElement));
    mxf_set_int32(23, arrayElement);
    mxf_set_int32(335, &arrayElement[4]);
    CHK_ORET(mxf_set_rational_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, AspectRatio), &aspectRatio));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ImageAlignmentOffset), 1));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, ComponentDepth), 8));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, HorizontalSubsampling), 2));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, VerticalSubsampling), 1));
    CHK_ORET(mxf_set_uint8_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, ColorSiting), MXF_COLOR_SITING_REC601));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, BlackRefLevel), 16));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, WhiteReflevel), 235));
    CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, ColorRange), 225));

    CHK_ORET(mxf_get_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, ContainerDuration), &durationItem5));

    CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ResolutionID), resolutionID));
    CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, FrameSampleSize), frameSize));
    CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ImageSize), 0));

    CHK_ORET(mxf_get_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ImageSize), &imageSizeItem));


    /* Preface - ContentStorage - EssenceContainerData */
    CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(EssenceContainerData), &essContainerDataSet));
    CHK_ORET(mxf_add_array_item_strongref(contentStorageSet, &MXF_ITEM_K(ContentStorage, EssenceContainerData), essContainerDataSet));
    CHK_ORET(mxf_set_umid_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, LinkedPackageUID), &sourcePackageUMID));
    CHK_ORET(mxf_set_uint32_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, IndexSID), indexSID));
    CHK_ORET(mxf_set_uint32_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, BodySID), bodySID));


    /* write the header metadata with Avid extensions */

    CHK_ORET((headerMetadataPos = mxf_file_tell(mxfFile)) >= 0);

    CHK_ORET(mxf_mark_header_start(mxfFile, headerPartition));
    CHK_ORET(mxf_avid_write_header_metadata(mxfFile, headerMetadata, headerPartition));
    CHK_ORET(mxf_fill_to_kag(mxfFile, headerPartition));
    CHK_ORET(mxf_mark_header_end(mxfFile, headerPartition));



    /* write the body partition pack */

    CHK_ORET(mxf_append_new_from_partition(&partitions, headerPartition, &bodyPartition));
    bodyPartition->key = MXF_PP_K(ClosedComplete, Body);
    bodyPartition->kagSize = 0x200;
    bodyPartition->bodySID = bodySID;

    CHK_ORET(mxf_write_partition(mxfFile, bodyPartition));
    CHK_ORET(mxf_fill_to_kag(mxfFile, bodyPartition));


    /* write the DV-50 essence element */

    CHK_ORET(mxf_open_essence_element_write(mxfFile, &MXF_EE_K(DVClipWrapped), 8, 0, &essenceElement));
    memset(buffer, 0, essenceBufferSize);
    while (!done)
    {
        size_t numRead;
        if (dv50File)
        {
            numRead = fread(buffer, 1, essenceBufferSize, dv50File);
            if (numRead < essenceBufferSize)
            {
                if (!feof(dv50File))
                {
                    fprintf(stderr, "Failed to read bytes from dv50 file\n");
                    return 0;
                }
                done = 1;
            }
        }
        else
        {
            numRead = essenceBufferSize;
            test_frame_count++;
            if (test_frame_count > 3)
                done = 1;
        }

        CHK_ORET(mxf_write_essence_element_data(mxfFile, essenceElement, buffer, (uint32_t)numRead));
    }
    duration = essenceElement->totalLen / frameSize;
    imageSize = (int32_t)essenceElement->totalLen;
    CHK_ORET(mxf_finalize_essence_element_write(mxfFile, essenceElement));
    mxf_close_essence_element(&essenceElement);

    CHK_ORET(mxf_fill_to_kag(mxfFile, bodyPartition));



    /* write the footer partition pack */

    CHK_ORET(mxf_append_new_from_partition(&partitions, headerPartition, &footerPartition));
    footerPartition->key = MXF_PP_K(ClosedComplete, Footer);
    footerPartition->kagSize = 0x200;
    footerPartition->indexSID = indexSID;

    CHK_ORET(mxf_write_partition(mxfFile, footerPartition));
    CHK_ORET(mxf_fill_to_kag(mxfFile, footerPartition));


    /* write the index table segment */

    CHK_ORET(mxf_mark_index_start(mxfFile, footerPartition));

    CHK_ORET(mxf_create_index_table_segment(&indexSegment));
    indexSegment->instanceUID = indexSegmentUUID;
    indexSegment->indexEditRate = editRate;
    indexSegment->indexStartPosition = 0;
    indexSegment->indexDuration = duration;
    indexSegment->editUnitByteCount = frameSize;
    indexSegment->indexSID = indexSID;
    indexSegment->bodySID = bodySID;
    indexSegment->sliceCount = 0;
    indexSegment->posTableCount = 0;
    indexSegment->deltaEntryArray = NULL;
    indexSegment->indexEntryArray = NULL;

    CHK_ORET(mxf_write_index_table_segment(mxfFile, indexSegment));
    CHK_ORET(mxf_fill_to_kag(mxfFile, footerPartition));

    CHK_ORET(mxf_mark_index_end(mxfFile, footerPartition));


    /* write the random index pack */

    CHK_ORET(mxf_write_rip(mxfFile, &partitions));


    /* update and re-write the header metadata */
    /* Note: the size will not change so it is safe to re-write */

    CHK_ORET(mxf_set_length_item(durationItem1->set, &durationItem1->key, duration));
    CHK_ORET(mxf_set_length_item(durationItem2->set, &durationItem2->key, duration));
    CHK_ORET(mxf_set_length_item(durationItem3->set, &durationItem3->key, duration));
    CHK_ORET(mxf_set_length_item(durationItem4->set, &durationItem4->key, duration));
    CHK_ORET(mxf_set_length_item(durationItem5->set, &durationItem5->key, duration));
    CHK_ORET(mxf_set_int32_item(imageSizeItem->set, &imageSizeItem->key, imageSize));

    CHK_ORET(mxf_file_seek(mxfFile, headerMetadataPos, SEEK_SET));
    CHK_ORET(mxf_mark_header_start(mxfFile, headerPartition));
    CHK_ORET(mxf_avid_write_header_metadata(mxfFile, headerMetadata, headerPartition));
    CHK_ORET(mxf_fill_to_kag(mxfFile, headerPartition));
    CHK_ORET(mxf_mark_header_end(mxfFile, headerPartition));




    /* update the partitions */

    CHK_ORET(mxf_update_partitions(mxfFile, &partitions));



    /* free memory resources */

    mxf_free_index_table_segment(&indexSegment);
    mxf_clear_file_partitions(&partitions);
    mxf_free_header_metadata(&headerMetadata);
    mxf_free_data_model(&dataModel);

    return 1;
}

void usage(const char *cmd)
{
    fprintf(stderr, "%s (--test | <dv50 filename>) <mxf filename>\n", cmd);
}

int main(int argv, const char *argc[])
{
    const char *dv50_filename = NULL;
    const char *mxf_filename = NULL;
    FILE *dv50File = NULL;
    MXFFile *mxfFile = NULL;
    char errorBuf[128];
    int result;

    if (argv != 3)
    {
        usage(argc[0]);
        return 1;
    }

    if (strcmp(argc[1], "--test") != 0)
    {
        dv50_filename = argc[1];
    }
    mxf_filename = argc[2];


    if (!dv50_filename)
    {
        /* replace util functions to ensure files are identical */
        mxf_set_regtest_funcs();
        mxf_avid_set_regtest_funcs();
    }


    if (dv50_filename)
    {
        dv50File = fopen(dv50_filename, "rb");
        if (!dv50File)
        {
            fprintf(stderr, "Failed to open %s for reading: %s\n",
                    dv50_filename, mxf_strerror(errno, errorBuf, sizeof(errorBuf)));
            return 1;
        }
    }

    if (!mxf_disk_file_open_new(mxf_filename, &mxfFile))
    {
        fprintf(stderr, "Failed to open %s for writing\n", mxf_filename);
        if (dv50File)
            fclose(dv50File);
        return 1;
    }


    if (!write_dv50(dv50File, mxfFile))
    {
        result = 1;
    }
    else
    {
        result = 0;
    }


    if (dv50File)
        fclose(dv50File);
    mxf_file_close(&mxfFile);

    return result;
}