def test_stsc_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:32, uintbe:32, uintbe:32", 28, b"stsc", 0, b"\x00\x00\x00", 1, 1, 1, 1) box_header = Parser.parse_header(bs) stsc = bx_def.STSC.parse_box(bs, box_header) box = stsc assert box.header.start_pos == 0 assert box.header.type == b"stsc" assert box.header.box_size == 28 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.entry_count == 1 assert len(box.entries) == 0 box.load(bs) assert len(box.entries) == 1 assert box.entries[0].first_chunk == 1 assert box.entries[0].samples_per_chunk == 1 assert box.entries[0].sample_description_index == 1 assert bytes(box) == bs.bytes
def test_ctts_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:32, uintbe:32", 24, b"ctts", 0, b"\x00\x00\x00", 1, 1, 1) box_header = Parser.parse_header(bs) ctts = bx_def.CTTS.parse_box(bs, box_header) box = ctts assert box.header.start_pos == 0 assert box.header.type == b"ctts" assert box.header.box_size == 24 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.entry_count == 1 assert len(box.entries) == 0 box.load(bs) assert len(box.entries) == 1 assert box.entries[0].sample_count == 1 assert box.entries[0].sample_offset == 1 assert bytes(box) == bs.bytes
def test_stsz_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:32, uintbe:32", 24, b"stsz", 0, b"\x00\x00\x00", 0, 1, 1) box_header = Parser.parse_header(bs) stsz = bx_def.STSZ.parse_box(bs, box_header) box = stsz assert box.header.start_pos == 0 assert box.header.type == b"stsz" assert box.header.box_size == 24 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.sample_size == 0 assert box.sample_count == 1 assert len(box.samples) == 0 box.load(bs) assert len(box.samples) == 1 assert box.samples[0].entry_size == 1 assert bytes(box) == bs.bytes
def test_mdhd_header_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:32, uintbe:32, uintbe:32, " "bits:1, uint:5, uint:5, uint:5, bits:16", 32, b"mdhd", 0, b"\x00\x00\x00", 3596199850, 3596199850, 30000, 4200196, 0x1, 21, 14, 4, b"\x00" * 2) box_header = Parser.parse_header(bs) mdhd = parse.MDHD.parse_box(bs, box_header) box = mdhd assert box.header.start_pos == 0 assert box.header.type == b"mdhd" assert box.header.box_size == 32 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.creation_time == 3596199850 assert box.modification_time == 3596199850 assert box.timescale == 30000 assert box.duration == 4200196 assert box.language == [21, 14, 4] assert box.pre_defined == 0 assert bytes(box) == bs.bytes
def test_clap_box(): bs = pack("uintbe:32, bytes:4, " "uintbe:32, uintbe:32, uintbe:32, uintbe:32, " "intbe:32, uintbe:32, intbe:32, uintbe:32", 40, b"clap", 500, 1, 333, 1, -12, 2, -179, 2) box_header = Parser.parse_header(bs) clap = bx_def.CLAP.parse_box(bs, box_header) box = clap assert box.header.start_pos == 0 assert box.header.type == b"clap" assert box.header.box_size == 40 assert box.clean_aperture_width_n == 500 assert box.clean_aperture_width_d == 1 assert box.clean_aperture_height_n == 333 assert box.clean_aperture_height_d == 1 assert box.horiz_off_n == -12 assert box.horiz_off_d == 2 assert box.vert_off_n == -179 assert box.vert_off_d == 2 assert bytes(box) == bs.bytes
def test_elst_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:32, uintbe:32, uintbe:16, uintbe:16", 28, b"elst", 0, b"\x00\x00\x00", 1, 3000, 0, 1, 0) box_header = Parser.parse_header(bs) elst = bx_def.ELST.parse_box(bs, box_header) box = elst assert box.header.start_pos == 0 assert box.header.type == b"elst" assert box.header.box_size == 28 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.entry_count == 1 assert len(box.entries) == 0 box.load(bs) assert len(box.entries) == 1 assert box.entries[0].segment_duration == 3000 assert box.entries[0].media_time == 0 assert box.entries[0].media_rate_integer == 1 assert box.entries[0].media_rate_fraction == 0 assert bytes(box) == bs.bytes
def test_co64_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:64, uintbe:64, uintbe:64", 40, b"co64", 0, b"\x00\x00\x00", 3, 0, 1, 2) box_header = Parser.parse_header(bs) stco = bx_def.CO64.parse_box(bs, box_header) box = stco assert box.header.start_pos == 0 assert box.header.type == b"co64" assert box.header.box_size == 40 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.entry_count == 3 assert len(box.entries) == 0 box.load(bs) assert len(box.entries) == 3 assert box.entries[0].chunk_offset == 0 assert box.entries[1].chunk_offset == 1 assert box.entries[2].chunk_offset == 2 assert bytes(box) == bs.bytes
def test_sbtt_box(): bs = pack("uintbe:32, bytes:4, " "uintbe:8, uintbe:8, uintbe:8, uintbe:8, uintbe:8, uintbe:8, " "uintbe:16, " "bytes:1, bytes:11", 28, b"sbtt", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 1, b'\0', b'text/plain\0') box_header = Parser.parse_header(bs) mett = bx_def.METT.parse_box(bs, box_header) box = mett assert box.header.start_pos == 0 assert box.header.type == b"sbtt" assert box.header.box_size == 28 assert box.data_reference_index == 1 assert box.content_encoding == b'\0' assert box.mime_format == b'text/plain\0' assert len(box.boxes) == 0 assert bytes(box) == bs.bytes
def test_box_header(): bs = pack("uintbe:32, bytes:4", 100, b"abcd") box_header = Parser.parse_header(bs) assert box_header.start_pos == 0 assert box_header.type == b"abcd" assert box_header.box_size == 100 assert box_header.header_size == 8 assert box_header.content_size == 92 assert bytes(box_header) == bs.bytes
def test_box_header_extended(): bs = pack("uintbe:32, bytes:4, uintbe:64", 1, b"abcd", parse.MAX_UINT_32 + 1) box_header = Parser.parse_header(bs) assert box_header.start_pos == 0 assert box_header.type == b"abcd" assert box_header.box_size == parse.MAX_UINT_32 + 1 assert box_header.header_size == 16 assert box_header.content_size == parse.MAX_UINT_32 + 1 - 16 assert bytes(box_header) == bs.bytes
def test_box_header_user_type(): bs = pack("uintbe:32, bytes:4, bytes:16", 100, b"uuid", b":benzina\x00\x00\x00\x00\x00\x00\x00\x00") box_header = Parser.parse_header(bs) assert box_header.start_pos == 0 assert box_header.type == b"uuid:benzina\x00\x00\x00\x00\x00\x00\x00\x00" assert box_header.box_size == 100 assert box_header.header_size == 24 assert box_header.content_size == 76 assert bytes(box_header) == bs.bytes
def test_box_header_extended_user_type(): bs = pack("uintbe:32, bytes:4, uintbe:64, bytes:16", 1, b"uuid", parse.MAX_UINT_32 + 1, b":benzina\x00\x00\x00\x00\x00\x00\x00\x00") box_header = Parser.parse_header(bs) assert box_header.start_pos == 0 assert box_header.type == b"uuid:benzina\x00\x00\x00\x00\x00\x00\x00\x00" assert box_header.box_size == parse.MAX_UINT_32 + 1 assert box_header.header_size == 32 assert box_header.content_size == parse.MAX_UINT_32 + 1 - 32 assert bytes(box_header) == bs.bytes
def test_mdat_box_empty(): bs = pack("uintbe:32, bytes:4", 8, b"mdat") box_header = Parser.parse_header(bs) mdat = bx_def.MDAT.parse_box(bs, box_header) mdat.load(bs) box = mdat assert box.header.start_pos == 0 assert box.header.type == b"mdat" assert box.header.box_size == 8 assert box.data == b'' assert bytes(box) == bs.bytes
def test_nmhd_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24", 12, b"nmhd", 0, b"\x00\x00\x00") box_header = Parser.parse_header(bs) nmhd = bx_def.NMHD.parse_box(bs, box_header) box = nmhd assert box.header.start_pos == 0 assert box.header.type == b"nmhd" assert box.header.box_size == 12 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert bytes(box) == bs.bytes
def test_pasp_box(): bs = pack("uintbe:32, bytes:4, uintbe:32, uintbe:32", 16, b"pasp", 150, 157) box_header = Parser.parse_header(bs) pasp = bx_def.PASP.parse_box(bs, box_header) box = pasp assert box.header.start_pos == 0 assert box.header.type == b"pasp" assert box.header.box_size == 16 assert box.h_spacing == 150 assert box.v_spacing == 157 assert bytes(box) == bs.bytes
def test_full_box_header(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24", 100, b"abcd", 1, b"\x00\x00\x07") box_header = Parser.parse_header(bs) full_box_header = parse.FullBoxHeader() full_box_header.extend_header(bs, box_header) del box_header assert full_box_header.start_pos == 0 assert full_box_header.type == b"abcd" assert full_box_header.box_size == 100 assert full_box_header.header_size == 12 assert full_box_header.content_size == 88 assert full_box_header.version == 1 assert full_box_header.flags == b"\x00\x00\x07" assert bytes(full_box_header) == bs.bytes
def test_stsd_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, uintbe:32", 16, b"stsd", 0, b"\x00\x00\x00", 0) box_header = Parser.parse_header(bs) stsd = bx_def.STSD.parse_box(bs, box_header) box = stsd assert box.header.start_pos == 0 assert box.header.type == b"stsd" assert box.header.box_size == 16 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.entry_count == 0 assert bytes(box) == bs.bytes
def test_url__box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24", 12, b"url ", 0, b"\x00\x00\x01") box_header = Parser.parse_header(bs) url_ = bx_def.URL_.parse_box(bs, box_header) box = url_ assert box.header.start_pos == 0 assert box.header.type == b"url " assert box.header.box_size == 12 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x01" assert box.location is None assert bytes(box) == bs.bytes
def test_dref_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, uintbe:32", 16, b"dref", 0, b"\x00\x00\x00", 1) box_header = Parser.parse_header(bs) dref = bx_def.DREF.parse_box(bs, box_header) box = dref assert box.header.start_pos == 0 assert box.header.type == b"dref" assert box.header.box_size == 16 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.entry_count == 1 assert bytes(box) == bs.bytes
def test_tkhd_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:32, uintbe:32, bits:32, uintbe:32, " "bits:32, bits:32, " "uintbe:16, uintbe:16, uintbe:8, uintbe:8, " "bits:16, " "uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, " "uintbe:16, uintbe:16, uintbe:16, uintbe:16", 92, b"tkhd", 0, b"\x00\x00\x07", 3596199850, 3596199850, 1, b"\x00" * 4, 6720313, b"\x00" * 4, b"\x00" * 4, 0, 0, 0, 0, b"\x00" * 2, 65536, 0, 0, 0, 65536, 0, 0, 0, 1073741824, 318, 0, 180, 0) box_header = Parser.parse_header(bs) tkhd = bx_def.TKHD.parse_box(bs, box_header) box = tkhd assert box.header.start_pos == 0 assert box.header.type == b"tkhd" assert box.header.box_size == 92 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x07" assert box.creation_time == 3596199850 assert box.modification_time == 3596199850 assert box.track_id == 1 assert box.duration == 6720313 assert box.layer == 0 assert box.alternate_group == 0 assert box.volume == [0, 0] assert box.matrix == [65536, 0, 0, 0, 65536, 0, 0, 0, 1073741824] assert box.width == 318 assert box.height == 180 assert box.is_audio is False assert bytes(box) == bs.bytes
def test_ftyp_box(): bs = pack("uintbe:32, bytes:4, " "bytes:4, uintbe:32, bytes:12", 28, b"ftyp", b"mp42", 0, b"mp42mp41iso4") box_header = Parser.parse_header(bs) ftyp = parse.FTYP.parse_box(bs, box_header) box = ftyp assert box.header.start_pos == 0 assert box.header.type == b"ftyp" assert box.header.box_size == 28 assert box.major_brand == 1836069938 # b"mp42" assert box.minor_version == 0 assert box.compatible_brands == [1836069938, # b"mp42" 1836069937, # b"mp41" 1769172788] # b"iso4" assert bytes(box) == bs.bytes
def test_vmhd_header_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:16, uintbe:16, uintbe:16, uintbe:16", 20, b"vmhd", 0, b"\x00\x00\x01", 0, 0, 0, 0) box_header = Parser.parse_header(bs) vmhd = parse.VMHD.parse_box(bs, box_header) box = vmhd assert box.header.start_pos == 0 assert box.header.type == b"vmhd" assert box.header.box_size == 20 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x01" assert box.graphicsmode == 0 assert box.opcolor == [0, 0, 0] assert bytes(box) == bs.bytes
def test_hdlr_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, bytes:4, bits:32, bits:32, bits:32, bytes:19", 51, b"hdlr", 0, b"\x00\x00\x00", 0, b"vide", b"\x00" * 4, b"\x00" * 4, b"\x00" * 4, b"Vireo Eyes v2.4.22\0") box_header = Parser.parse_header(bs) hdlr = parse.HDLR.parse_box(bs, box_header) box = hdlr assert box.header.start_pos == 0 assert box.header.type == b"hdlr" assert box.header.box_size == 51 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.pre_defined == 0 assert box.handler_type == b"vide" assert box.name == b"Vireo Eyes v2.4.22\0" assert bytes(box) == bs.bytes
def test_sample_entry_box(): bs = pack("uintbe:32, bytes:4, " "uintbe:8, uintbe:8, uintbe:8, uintbe:8, uintbe:8, uintbe:8, " "uintbe:16", 16, b"____", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 1) box_header = Parser.parse_header(bs) sample_entry_box = bx_def.SampleEntryBox.parse_box(bs, box_header) box = sample_entry_box assert box.header.start_pos == 0 assert box.header.type == b"____" assert box.header.box_size == 16 assert box.data_reference_index == 1 assert len(box.boxes) == 0 assert bytes(box) == bs.bytes
def test_mvhd_box(): bs = pack("uintbe:32, bytes:4, uintbe:8, bits:24, " "uintbe:32, uintbe:32, uintbe:32, uintbe:32, " "uintbe:16, uintbe:16, uintbe:8, uintbe:8, " "bits:16, bits:32, bits:32, " "uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, uintbe:32, " "bits:32, bits:32, bits:32, bits:32, bits:32, bits:32, " "uintbe:32", 108, b"mvhd", 0, b"\x00\x00\x00", 3596199850, 3596199850, 48000, 6720608, 1, 0, 1, 0, b"\x00" * 2, b"\x00" * 4, b"\x00" * 4, 65536, 0, 0, 0, 65536, 0, 0, 0, 1073741824, b"\x00" * 4, b"\x00" * 4, b"\x00" * 4, b"\x00" * 4, b"\x00" * 4, b"\x00" * 4, 3) box_header = Parser.parse_header(bs) mvhd = bx_def.MVHD.parse_box(bs, box_header) box = mvhd assert box.header.start_pos == 0 assert box.header.type == b"mvhd" assert box.header.box_size == 108 assert box.header.version == 0 assert box.header.flags == b"\x00\x00\x00" assert box.creation_time == 3596199850 assert box.modification_time == 3596199850 assert box.timescale == 48000 assert box.duration == 6720608 assert box.rate == [1, 0] assert box.volume == [1, 0] assert box.matrix == [65536, 0, 0, 0, 65536, 0, 0, 0, 1073741824] assert box.pre_defined == [b"\x00" * 4] * 6 assert box.next_track_id == 3 assert bytes(box) == bs.bytes
def test_avc1_box(): bs = pack("uintbe:32, bytes:4, " "uintbe:8, uintbe:8, uintbe:8, uintbe:8, uintbe:8, uintbe:8, " "uintbe:16, " "uintbe:16, uintbe:16, uintbe:32, uintbe:32, uintbe:32, " "uintbe:16, uintbe:16, uintbe:16, uintbe:16, uintbe:16, uintbe:16, " "uintbe:32, " "uintbe:16, bytes:32, uintbe:16, " "intbe:16", 58, b"avc1", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 1, 0x0, 0x0, 0x0, 0x0, 0x0, 512, 512, 72, 0, 72, 0, 0x0, 1, b'\0' * 32, 24, -1) box_header = Parser.parse_header(bs) avc1 = bx_def.AVC1.parse_box(bs, box_header) box = avc1 assert box.header.start_pos == 0 assert box.header.type == b"avc1" assert box.header.box_size == 58 assert box.data_reference_index == 1 assert box.width == 512 assert box.height == 512 assert box.horizresolution == [72, 0] assert box.vertresolution == [72, 0] assert box.frame_count == 1 assert box.compressorname == b'\0' * 32 assert box.depth == 24 assert len(box.boxes) == 0 assert bytes(box) == bs.bytes
def test_hvcc_box(): bs = pack("uintbe:32, bytes:4, " "uintbe:8, " "int:2, int:1, int:5, uintbe:32, uintbe:48, uintbe:8, " "bits:4, int:12, bits:6, int:2, bits:6, int:2, bits:5, int:3, bits:5, int:3, " "uintbe:16, uint:2, uint:3, uint:1, uint:2, uint:8, " "uint:1, bits:1, uint:6, uintbe:16, " "uint:16, bytes:3", 39, b"hvcc", 1, 0, 0, 3, 1879048192, 193514046488576, 90, '0b1111', 0, '0b111111', 0, '0b111111', 1, '0b11111', 0, '0b11111', 0, 0, 0, 1, 0, 3, 1, 1, '0b0', 32, 1, 3, b"321") box_header = Parser.parse_header(bs) hvcc = bx_def.HVCC.parse_box(bs, box_header) box = hvcc assert box.header.start_pos == 0 assert box.header.type == b"hvcc" assert box.header.box_size == 39 assert box.configuration_version == 1 assert box.general_profile_space == 0 assert box.general_tier_flag == 0 assert box.general_profile_idc == 3 assert box.general_profile_compatibility_flags == 1879048192 assert box.general_constraint_indicator_flags == 193514046488576 assert box.general_level_idc == 90 assert box.min_spatial_segmentation_idc == 0 assert box.parallelism_type == 0 assert box.chroma_format == 1 assert box.bit_depth_luma_minus_8 == 0 assert box.bit_depth_chroma_minus_8 == 0 assert box.avg_frame_rate == 0 assert box.constant_frame_rate == 0 assert box.num_temporal_layers == 1 assert box.temporal_id_nested == 0 assert box.length_size_minus_one == 3 assert box.num_of_arrays == 1 assert len(box.arrays) == 0 box.load(bs) assert len(box.arrays) == 1 array = box.arrays[0] assert array.array_completeness == 1 assert array.nal_unit_type == 32 assert array.num_nalus == 1 assert len(array.nalus) == 1 nalu = array.nalus[0] assert nalu.nal_unit_length == 3 assert nalu.nal_unit == b"321" assert bytes(box) == bs.bytes
def test_photo_heic_guided_parsing(): bstr = ConstBitStream(filename="data/photo.heic") box_header = Parser.parse_header(bstr) ftyp = parse.FTYP.parse_box(bstr, box_header) assert ftyp.header.start_pos == 0 assert ftyp.header.type == b"ftyp" assert ftyp.header.box_size == 24 assert ftyp.major_brand == 1751476579 # b"heic" assert ftyp.minor_version == 0 assert ftyp.compatible_brands == [1835623985, # b"mif1" 1751476579] # b"heic" assert ftyp.padding == b'' # meta box_header = Parser.parse_header(bstr) meta = parse.META.parse_box(bstr, box_header) assert meta.header.start_pos == 24 assert meta.header.type == b"meta" assert meta.header.box_size == 3955 assert meta.header.version == 0 assert meta.header.flags == b"\x00\x00\x00" assert meta.padding == b'' # meta/hdlr box_header = Parser.parse_header(bstr) hdlr = parse.HDLR.parse_box(bstr, box_header) assert hdlr.header.start_pos == 36 assert hdlr.header.type == b"hdlr" assert hdlr.header.box_size == 34 assert hdlr.header.version == 0 assert hdlr.header.flags == b"\x00\x00\x00" assert hdlr.pre_defined == 0 assert hdlr.handler_type == b"pict" assert hdlr.name == b'\0' assert hdlr.padding == b'\0' # meta/dinf box_header = Parser.parse_header(bstr) dinf = parse.DINF.parse_box(bstr, box_header) assert dinf.header.start_pos == 70 assert dinf.header.type == b"dinf" assert dinf.header.box_size == 36 assert dinf.padding == b'' # meta/dinf/dref box_header = Parser.parse_header(bstr) dref = parse.DREF.parse_box(bstr, box_header) assert dref.header.start_pos == 78 assert dref.header.type == b"dref" assert dref.header.box_size == 28 assert dref.header.version == 0 assert dref.header.flags == b"\x00\x00\x00" assert dref.entry_count == 1 assert dref.padding == b'' # meta/dinf/dref/url_ box_header = Parser.parse_header(bstr) url = parse.URL_.parse_box(bstr, box_header) assert url.header.start_pos == 94 assert url.header.type == b"url " assert url.header.box_size == 12 assert url.location is None assert url.padding == b'' # meta/pitm box_header = Parser.parse_header(bstr) pitm = parse.PITM.parse_box(bstr, box_header) assert pitm.header.start_pos == 106 assert pitm.header.type == b"pitm" assert pitm.header.box_size == 14 assert pitm.padding == b'' # meta/iinf box_header = Parser.parse_header(bstr) iinf = parse.IINF.parse_box(bstr, box_header) assert iinf.header.start_pos == 120 assert iinf.header.type == b"iinf" assert iinf.header.box_size == 1085 assert iinf.entry_count == 51 assert iinf.padding == b'' for i in range(iinf.entry_count): # meta/iinf/infe box_header = Parser.parse_header(bstr) infe = parse.INFE.parse_box(bstr, box_header) if infe.item_id == 49: assert infe.header.start_pos == 134 + 48 * 21 assert infe.header.type == b"infe" assert infe.header.box_size == 21 assert infe.header.version == 2 assert infe.header.flags == b"\x00\x00\x00" assert infe.item_id == 49 assert infe.item_protection_index == 0 assert infe.item_type == 1735551332 # b"grid" assert infe.item_name == b'\0' assert infe.content_type is None assert infe.content_encoding is None assert infe.item_uri_type is None assert infe.extension_type is None assert infe.padding == b'' elif infe.item_id == 50: assert infe.header.start_pos == 134 + 49 * 21 assert infe.header.type == b"infe" assert infe.header.box_size == 21 assert infe.header.version == 2 assert infe.header.flags == b"\x00\x00\x00" assert infe.item_id == 50 assert infe.item_protection_index == 0 assert infe.item_type == 1752589105 # b"hvc1" assert infe.item_name == b'\0' assert infe.content_type is None assert infe.content_encoding is None assert infe.item_uri_type is None assert infe.extension_type is None assert infe.padding == b'' elif infe.item_id == 51: assert infe.header.start_pos == 134 + 50 * 21 assert infe.header.type == b"infe" assert infe.header.box_size == 21 assert infe.header.version == 2 assert infe.header.flags == b"\x00\x00\x01" assert infe.item_id == 51 assert infe.item_protection_index == 0 assert infe.item_type == 1165519206 # b"Exif" assert infe.item_name == b'\0' assert infe.content_type is None assert infe.content_encoding is None assert infe.item_uri_type is None assert infe.extension_type is None assert infe.padding == b'' else: assert infe.header.start_pos == 134 + i * 21 assert infe.header.type == b"infe" assert infe.header.box_size == 21 assert infe.header.version == 2 assert infe.header.flags == b"\x00\x00\x01" assert infe.item_id == i + 1 assert infe.item_protection_index == 0 assert infe.item_type == 1752589105 # b"hvc1" assert infe.item_name == b'\0' assert infe.content_type is None assert infe.content_encoding is None assert infe.item_uri_type is None assert infe.extension_type is None assert infe.padding == b'' # meta/iref box_header = Parser.parse_header(bstr) iref = parse.IREF.parse_box(bstr, box_header) assert iref.header.start_pos == 1205 assert iref.header.type == b"iref" assert iref.header.box_size == 148 assert iref.header.version == 0 assert iref.header.flags == b"\x00\x00\x00" assert iref.padding == b'' # meta/iref/dimg box_header = Parser.parse_header(bstr) dimg = SingleItemTypeReferenceBox.parse_box(bstr, box_header) assert dimg.header.start_pos == 1217 assert dimg.header.type == b"dimg" assert dimg.header.box_size == 108 assert dimg.from_item_id == 49 assert dimg.reference_count == 48 assert dimg.to_item_ids == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48] assert dimg.padding == b'' # meta/iref/thmb box_header = Parser.parse_header(bstr) thmb = SingleItemTypeReferenceBox.parse_box(bstr, box_header) assert thmb.header.start_pos == 1325 assert thmb.header.type == b"thmb" assert thmb.header.box_size == 14 assert thmb.from_item_id == 50 assert thmb.reference_count == 1 assert thmb.to_item_ids == [49] assert thmb.padding == b'' # meta/iref/cdsc box_header = Parser.parse_header(bstr) cdsc = SingleItemTypeReferenceBox.parse_box(bstr, box_header) assert cdsc.header.start_pos == 1339 assert cdsc.header.type == b"cdsc" assert cdsc.header.box_size == 14 assert cdsc.from_item_id == 51 assert cdsc.reference_count == 1 assert cdsc.to_item_ids == [49] assert cdsc.padding == b'' # meta/iprp box_header = Parser.parse_header(bstr) iprp = parse.IPRP.parse_box(bstr, box_header) assert iprp.header.start_pos == 1353 assert iprp.header.type == b"iprp" assert iprp.header.box_size == 1778 assert iprp.padding == b'' # meta/iprp/ipco box_header = Parser.parse_header(bstr) ipco = parse.IPCO.parse_box(bstr, box_header) assert ipco.header.start_pos == 1361 assert ipco.header.type == b"ipco" assert ipco.header.box_size == 1452 assert ipco.padding == b'' # meta/iprp/ipco/colr box_header = Parser.parse_header(bstr) colr = UnknownBox.parse_box(bstr, box_header) assert colr.header.start_pos == 1369 assert colr.header.type == b"colr" assert colr.header.box_size == 560 assert colr.padding == b'' # meta/iprp/ipco/hvcC box_header = Parser.parse_header(bstr) hvcC = UnknownBox.parse_box(bstr, box_header) assert hvcC.header.start_pos == 1929 assert hvcC.header.type == b"hvcC" assert hvcC.header.box_size == 112 assert hvcC.padding == b'' # meta/iprp/ipco/ispe box_header = Parser.parse_header(bstr) ispe = UnknownBox.parse_box(bstr, box_header) assert ispe.header.start_pos == 2041 assert ispe.header.type == b"ispe" assert ispe.header.box_size == 20 assert ispe.padding == b'' # meta/iprp/ipco/ispe box_header = Parser.parse_header(bstr) ispe = UnknownBox.parse_box(bstr, box_header) assert ispe.header.start_pos == 2061 assert ispe.header.type == b"ispe" assert ispe.header.box_size == 20 assert ispe.padding == b'' # meta/iprp/ipco/irot box_header = Parser.parse_header(bstr) irot = UnknownBox.parse_box(bstr, box_header) assert irot.header.start_pos == 2081 assert irot.header.type == b"irot" assert irot.header.box_size == 9 assert irot.padding == b'' # meta/iprp/ipco/pixi box_header = Parser.parse_header(bstr) pixi = UnknownBox.parse_box(bstr, box_header) assert pixi.header.start_pos == 2090 assert pixi.header.type == b"pixi" assert pixi.header.box_size == 16 assert pixi.padding == b'' # meta/iprp/ipco/colr box_header = Parser.parse_header(bstr) colr = UnknownBox.parse_box(bstr, box_header) assert colr.header.start_pos == 2106 assert colr.header.type == b"colr" assert colr.header.box_size == 560 assert colr.padding == b'' # meta/iprp/ipco/hvcC box_header = Parser.parse_header(bstr) hvcC = UnknownBox.parse_box(bstr, box_header) assert hvcC.header.start_pos == 2666 assert hvcC.header.type == b"hvcC" assert hvcC.header.box_size == 111 assert hvcC.padding == b'' # meta/iprp/ipco/ispe box_header = Parser.parse_header(bstr) ispe = UnknownBox.parse_box(bstr, box_header) assert ispe.header.start_pos == 2777 assert ispe.header.type == b"ispe" assert ispe.header.box_size == 20 assert ispe.padding == b'' # meta/iprp/ipco/pixi box_header = Parser.parse_header(bstr) pixi = UnknownBox.parse_box(bstr, box_header) assert pixi.header.start_pos == 2797 assert pixi.header.type == b"pixi" assert pixi.header.box_size == 16 assert pixi.padding == b'' # meta/iprp/ipma box_header = Parser.parse_header(bstr) ipma = parse.IPMA.parse_box(bstr, box_header) assert ipma.header.start_pos == 2813 assert ipma.header.type == b"ipma" assert ipma.header.box_size == 318 assert ipma.header.version == 0 assert ipma.header.flags == b"\x00\x00\x00" assert ipma.entry_count == 50 assert len(ipma.entries) == 50 assert ipma.padding == b'' entry = ipma.entries[0] assert entry.item_id == 1 assert entry.association_count == 3 assert len(entry.associations) == 3 association = entry.associations[0] assert association.essential == 1 assert association.property_index == 3 association = entry.associations[1] assert association.essential == 1 assert association.property_index == 1 association = entry.associations[2] assert association.essential == 1 assert association.property_index == 2 entry = ipma.entries[1] assert entry.item_id == 2 assert entry.association_count == 3 assert len(entry.associations) == 3 association = entry.associations[0] assert association.essential == 1 assert association.property_index == 3 association = entry.associations[1] assert association.essential == 1 assert association.property_index == 1 association = entry.associations[2] assert association.essential == 1 assert association.property_index == 2 entry = ipma.entries[48] assert entry.item_id == 49 assert entry.association_count == 3 assert len(entry.associations) == 3 association = entry.associations[0] assert association.essential == 0 assert association.property_index == 4 association = entry.associations[1] assert association.essential == 1 assert association.property_index == 5 association = entry.associations[2] assert association.essential == 0 assert association.property_index == 6 entry = ipma.entries[49] assert entry.item_id == 50 assert entry.association_count == 5 assert len(entry.associations) == 5 association = entry.associations[0] assert association.essential == 1 assert association.property_index == 7 association = entry.associations[1] assert association.essential == 1 assert association.property_index == 8 association = entry.associations[2] assert association.essential == 0 assert association.property_index == 9 association = entry.associations[3] assert association.essential == 1 assert association.property_index == 5 association = entry.associations[4] assert association.essential == 0 assert association.property_index == 10 # meta/idat box_header = Parser.parse_header(bstr) idat = parse.IDAT.parse_box(bstr, box_header) idat.load(bstr) assert idat.header.start_pos == 3131 assert idat.header.type == b"idat" assert idat.header.box_size == 16 assert len(idat.data) == 8 assert idat.data[0] == int.from_bytes(b"\x00", "big") assert idat.data[1] == int.from_bytes(b"\x00", "big") assert idat.data[6] == int.from_bytes(b"\x0b", "big") assert idat.data[7] == int.from_bytes(b"\xd0", "big") assert idat.padding == b'' # meta/iloc box_header = Parser.parse_header(bstr) iloc = parse.ILOC.parse_box(bstr, box_header) assert iloc.header.start_pos == 3147 assert iloc.header.type == b"iloc" assert iloc.header.box_size == 832 assert iloc.header.version == 1 assert iloc.header.flags == b"\x00\x00\x00" assert iloc.padding == b'' assert iloc.offset_size == 4 assert iloc.length_size == 4 assert iloc.base_offset_size == 0 assert iloc.index_size == 0 assert iloc.item_count == 51 assert len(iloc.items) == 51 assert iloc.padding == b'' item = iloc.items[0] assert item.item_id == 1 assert item.construction_method == 0 assert item.data_reference_index == 0 assert item.base_offset is None assert item.extent_count == 1 assert len(item.extents) == 1 extent = item.extents[0] assert extent.extent_index is None assert extent.extent_offset == 14854 assert extent.extent_length == 33763 item = iloc.items[1] assert item.item_id == 2 assert item.construction_method == 0 assert item.data_reference_index == 0 assert item.base_offset is None assert item.extent_count == 1 assert len(item.extents) == 1 extent = item.extents[0] assert extent.extent_index is None assert extent.extent_offset == 48617 assert extent.extent_length == 35158 item = iloc.items[49] assert item.item_id == 50 assert item.construction_method == 0 assert item.data_reference_index == 0 assert item.base_offset is None assert item.extent_count == 1 assert len(item.extents) == 1 extent = item.extents[0] assert extent.extent_index is None assert extent.extent_offset == 3995 assert extent.extent_length == 8651 item = iloc.items[50] assert item.item_id == 51 assert item.construction_method == 0 assert item.data_reference_index == 0 assert item.base_offset is None assert item.extent_count == 1 assert len(item.extents) == 1 extent = item.extents[0] assert extent.extent_index is None assert extent.extent_offset == 12646 assert extent.extent_length == 2208 # mdat box_header = Parser.parse_header(bstr) mdat = parse.MDAT.parse_box(bstr, box_header) mdat.load(bstr) assert mdat.header.start_pos == 3979 assert mdat.header.type == b"mdat" assert mdat.header.box_size == 1350049 assert len(mdat.data) == 1350033 assert mdat.data[0] == int.from_bytes(b"\x00", "big") assert mdat.data[1] == int.from_bytes(b"\x00", "big") assert mdat.data[6] == int.from_bytes(b"\xaf", "big") assert mdat.data[7] == int.from_bytes(b"\x88", "big") assert mdat.data[1350031] == int.from_bytes(b"\xfd", "big") assert mdat.data[1350032] == int.from_bytes(b"\x80", "big") assert mdat.padding == b''
mdia_boxes_end = mdia.header.start_pos + mdia.header.box_size bstr.bytepos = mdia.boxes_start_pos for box_header in Parser.parse(bstr, headers_only=True): if bstr.bytepos >= mdia_boxes_end: break if box_header.type != b"hdlr": box = Parser.parse_box(bstr, box_header) box.load(bstr) else: # hdlr.name should finish with a b'\0'. If it doesn't, add one # Add a b'\0' for safety hdlr_bstr = BitStream(bytes(box_header)) hdlr_header = Parser.parse_header(hdlr_bstr) hdlr_header.box_size += 1 hdlr_bstr.overwrite(bytes(hdlr_header), 0) hdlr_bstr.append( bstr.read("bytes:{}".format(box_header.box_size - box_header.header_size)) + b'\0') box = Parser.parse_box(hdlr_bstr, hdlr_header) box.load(hdlr_bstr) # Prevent adding one too many b'\0' if box.padding.startswith(b'\0'): box.padding = box.padding[1:] mdia.append(box) del bstr