281 static const uint8_t mxf_header_partition_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02 };
282 static const uint8_t mxf_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01 };
283 static const uint8_t mxf_avid_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0e,0x04,0x03,0x01 };
284 static const uint8_t mxf_system_item_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x03,0x01,0x04 };
287 static const uint8_t mxf_crypto_source_container_ul[] = { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x02,0x02,0x00,0x00,0x00 };
288 static const uint8_t mxf_encrypted_triplet_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 };
289 static const uint8_t mxf_encrypted_essence_container[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 };
290 static const uint8_t mxf_random_index_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
291 static const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 };
292 static const uint8_t mxf_avid_project_name[] = { 0xa5,0xfb,0x7b,0x25,0xf6,0x15,0x94,0xb9,0x62,0xfc,0x37,0x17,0x49,0x2d,0x42,0xbf };
293 static const uint8_t mxf_jp2k_rsiz[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 };
294 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
295 static const uint8_t mxf_indirect_value_utf16be[] = { 0x42,0x01,0x10,0x02,0x00,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
297 #define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y)))
302 switch ((*ctx)->type) {
341 int bytes_num = size & 0x7f;
347 size = size << 8 |
avio_r8(pb);
355 for (i = 0; i < size && !
avio_feof(pb); i++) {
359 else if (b != key[i])
373 return klv->
length == -1 ? -1 : 0;
393 const uint8_t *buf_ptr, *end_ptr;
402 data_ptr = pkt->
data;
404 buf_ptr = pkt->
data + 4;
407 uint32_t
sample = bytestream_get_le32(&buf_ptr);
409 bytestream_put_le24(&data_ptr, (sample >> 4) & 0xffffff);
411 bytestream_put_le16(&data_ptr, (sample >> 12) & 0xffff);
421 static const uint8_t checkv[16] = {0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b};
427 uint64_t plaintext_size;
454 if (orig_size < plaintext_size)
458 if (size < 32 || size - 32 < orig_size)
464 if (memcmp(tmpbuf, checkv, 16))
470 else if (size < plaintext_size)
472 size -= plaintext_size;
475 &pkt->
data[plaintext_size], size >> 4, ivec, 1);
488 if (item_len != 18) {
492 if (item_num > 65536) {
513 uint64_t footer_partition;
514 uint32_t nb_essence_containers;
533 memset(partition, 0,
sizeof(*partition));
575 "PreviousPartition equal to ThisPartition %"PRIx64
"\n",
588 "Overriding PreviousPartition with %"PRIx64
"\n",
593 if (footer_partition) {
596 "inconsistent FooterPartition value: %"PRIu64
" != %"PRIu64
"\n",
604 "PartitionPack: ThisPartition = 0x%"PRIX64
605 ", PreviousPartition = 0x%"PRIX64
", "
606 "FooterPartition = 0x%"PRIX64
", IndexSID = %i, BodySID = %i\n",
616 "PreviousPartition points to this partition or forward\n");
620 if (op[12] == 1 && op[13] == 1) mxf->
op =
OP1a;
621 else if (op[12] == 1 && op[13] == 2) mxf->
op =
OP1b;
622 else if (op[12] == 1 && op[13] == 3) mxf->
op =
OP1c;
623 else if (op[12] == 2 && op[13] == 1) mxf->
op =
OP2a;
624 else if (op[12] == 2 && op[13] == 2) mxf->
op =
OP2b;
625 else if (op[12] == 2 && op[13] == 3) mxf->
op =
OP2c;
626 else if (op[12] == 3 && op[13] == 1) mxf->
op =
OP3a;
627 else if (op[12] == 3 && op[13] == 2) mxf->
op =
OP3b;
628 else if (op[12] == 3 && op[13] == 3) mxf->
op =
OP3c;
629 else if (op[12] == 64&& op[13] == 1) mxf->
op =
OPSONYOpt;
630 else if (op[12] == 0x10) {
635 if (nb_essence_containers != 1) {
641 "\"OPAtom\" with %"PRIu32
" ECs - assuming %s\n",
642 nb_essence_containers,
643 op ==
OP1a ?
"OP1a" :
"OPAtom");
649 av_log(mxf->
fc,
AV_LOG_ERROR,
"unknown operational pattern: %02xh %02xh - guessing OP1a\n", op[12], op[13]);
830 buf_size = size + size / 2 + 1;
848 #define READ_STR16(type, big_endian) \
849 static int mxf_read_utf16 ## type ##_string(AVIOContext *pb, int size, char** str) \
851 return mxf_read_utf16_string(pb, size, str, big_endian); \
863 &package->tracks_count);
870 avio_read(pb, package->descriptor_ref, 16);
873 return mxf_read_utf16be_string(pb, size, &package->name);
876 &package->comment_count);
946 int code,
value, ofs = 0;
955 layout[ofs++] = code;
956 layout[ofs++] =
value;
1059 return mxf_read_utf16le_string(pb, size - 17, &tagged_value->
value);
1061 return mxf_read_utf16be_string(pb, size - 17, &tagged_value->
value);
1071 return mxf_read_utf16be_string(pb, size, &tagged_value->
name);
1085 for (i = 0; i <
len; i++) {
1086 if (i != 7 && key[i] != uid[i])
1094 while (uls->
uid[0]) {
1119 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1120 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14,
AV_CODEC_ID_DVVIDEO },
1121 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14,
AV_CODEC_ID_RAWVIDEO },
1122 { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4f }, 14,
AV_CODEC_ID_RAWVIDEO },
1123 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1128 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1129 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1134 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14,
AV_CODEC_ID_H264 },
1135 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14,
AV_CODEC_ID_JPEG2000 },
1136 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1141 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14,
AV_CODEC_ID_PCM_S16LE },
1142 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14,
AV_CODEC_ID_MP2 },
1143 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14,
AV_CODEC_ID_PCM_S16LE },
1144 { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4F }, 14,
AV_CODEC_ID_PCM_S16LE },
1145 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x03,0x04,0x02,0x02,0x02,0x03,0x03,0x01,0x00 }, 14,
AV_CODEC_ID_AAC },
1146 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1150 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, 0 },
1151 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1155 "vbi_vanc_smpte_436M",
1160 int i, j, nb_segments = 0;
1162 int last_body_sid = -1, last_index_sid = -1, last_index_start = -1;
1172 if (!(unsorted_segments =
av_calloc(nb_segments,
sizeof(*unsorted_segments))) ||
1173 !(*sorted_segments =
av_calloc(nb_segments,
sizeof(**sorted_segments)))) {
1183 *nb_sorted_segments = 0;
1186 for (i = 0; i < nb_segments; i++) {
1187 int best = -1, best_body_sid = -1, best_index_sid = -1, best_index_start = -1;
1188 uint64_t best_index_duration = 0;
1190 for (j = 0; j < nb_segments; j++) {
1212 (*sorted_segments)[(*nb_sorted_segments)++] = unsorted_segments[best];
1213 last_body_sid = best_body_sid;
1214 last_index_sid = best_index_sid;
1215 last_index_start = best_index_start;
1229 int64_t offset_in =
offset;
1246 "failed to find absolute offset of %"PRIX64
" in BodySID %i - partial file?\n",
1247 offset_in, body_sid);
1279 int64_t offset_temp = 0;
1303 av_log(mxf->
fc,
AV_LOG_ERROR,
"IndexSID %i segment at %"PRId64
" missing EditUnitByteCount and IndexEntryArray\n",
1309 *edit_unit_out = edit_unit;
1327 int8_t max_temporal_offset = -128;
1353 for (x = 0; x < index_table->
nb_ptses; x++)
1385 int index_delta = 1;
1394 for (j = 0; j <
n; j += index_delta, x++) {
1400 "x >= nb_ptses - IndexEntryCount %i < IndexDuration %"PRId64
"?\n",
1408 if (index < 0 || index >= index_table->
nb_ptses) {
1410 "index entry %i + TemporalOffset %i = %i, which is out of bounds\n",
1416 max_temporal_offset =
FFMAX(max_temporal_offset, offset);
1420 index_table->
first_dts = -max_temporal_offset;
1431 int i, j, k,
ret, nb_sorted_segments;
1435 nb_sorted_segments <= 0) {
1441 for (i = 0; i < nb_sorted_segments; i++) {
1442 if (i == 0 || sorted_segments[i-1]->index_sid != sorted_segments[i]->index_sid)
1444 else if (sorted_segments[i-1]->body_sid != sorted_segments[i]->body_sid) {
1447 goto finish_decoding_index;
1456 goto finish_decoding_index;
1460 for (i = j = 0; i < nb_sorted_segments; i++) {
1461 if (i != 0 && sorted_segments[i-1]->index_sid != sorted_segments[i]->index_sid) {
1477 " pointer array\n");
1479 goto finish_decoding_index;
1482 if (sorted_segments[i]->index_start_position)
1483 av_log(mxf->
fc,
AV_LOG_WARNING,
"IndexSID %i starts at EditUnit %"PRId64
" - seeking may not work as expected\n",
1491 goto finish_decoding_index;
1499 av_log(mxf->
fc,
AV_LOG_WARNING,
"IndexSID %i segment %i has zero IndexDuration and there's more than one segment\n",
1516 finish_decoding_index:
1536 for (i = 0; i <
sizeof(
UID); i++) {
1537 snprintf(p, 2 + 1,
"%.2x", uid[i]);
1539 if (i == 3 || i == 5 || i == 7 || i == 9) {
1556 for (i = 0; i <
sizeof(
UID); i++) {
1561 for (i = 0; i <
sizeof(
UID); i++) {
1562 snprintf(p, 2 + 1,
"%.2X", uid[i]);
1597 switch (component->
type) {
1615 package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[i], SourcePackage);
1619 if (!memcmp(package->package_uid, package_uid, 16))
1637 if (!sub_descriptor) {
1642 return sub_descriptor;
1685 switch (component->
type) {
1707 size = strlen(tag->
name) + 8 + 1;
1727 int64_t start_position;
1740 if (physical_package->
name && physical_package->
name[0])
1787 if (material_package)
break;
1789 if (!material_package) {
1795 if (material_package->
name && material_package->
name[0])
1807 UID *essence_container_ul =
NULL;
1853 if (!source_package) {
1864 source_track = temp_track;
1868 if (!source_track) {
1873 if (!source_track || !component)
1914 "Invalid edit rate (%d/%d) found on stream #%d, "
1915 "defaulting to 25/1\n",
1944 essence_container_ul = &((
MXFCryptoContext *)metadata)->source_container_ul;
1955 for (k = 0; k < 16; k++) {
1958 if (!(k+1 & 19) || k == 5)
1964 if (source_package->
name && source_package->
name[0])
1971 container_ul =
mxf_get_codec_ul(mxf_picture_essence_container_uls, essence_container_ul);
2002 "Field dominance %d support",
2040 container_ul =
mxf_get_codec_ul(mxf_sound_essence_container_uls, essence_container_ul);
2052 "found for stream #%d, time base forced to 1/48000\n",
2080 essence_container_ul)->
id;
2081 if (codec_id >= 0 &&
2084 mxf_data_essence_descriptor[codec_id], 0);
2109 struct tm time = { 0 };
2110 time.tm_year = (timestamp >> 48) - 1900;
2111 time.tm_mon = (timestamp >> 40 & 0xFF) - 1;
2112 time.tm_mday = (timestamp >> 32 & 0xFF);
2113 time.tm_hour = (timestamp >> 24 & 0xFF);
2114 time.tm_min = (timestamp >> 16 & 0xFF);
2115 time.tm_sec = (timestamp >> 8 & 0xFF);
2120 time.tm_mon = av_clip(time.tm_mon, 0, 11);
2121 time.tm_mday = av_clip(time.tm_mday, 1, 31);
2122 time.tm_hour = av_clip(time.tm_hour, 0, 23);
2123 time.tm_min = av_clip(time.tm_min, 0, 59);
2124 time.tm_sec = av_clip(time.tm_sec, 0, 59);
2129 if (!strftime(*str, 32,
"%Y-%m-%d %H:%M:%S", &time))
2135 #define SET_STR_METADATA(pb, name, str) do { \
2136 if ((ret = mxf_read_utf16be_string(pb, size, &str)) < 0) \
2138 av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
2141 #define SET_UID_METADATA(pb, name, var, str) do { \
2142 avio_read(pb, var, 16); \
2143 if ((ret = mxf_uid_to_str(var, &str)) < 0) \
2145 av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
2148 #define SET_TS_METADATA(pb, name, var, str) do { \
2149 var = avio_rb64(pb); \
2150 if ((ret = mxf_timestamp_to_str(var, &str)) < 0) \
2152 av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
2206 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x05,0x01,0x00 },
mxf_read_primer_pack },
2207 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 },
mxf_read_partition_pack },
2208 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x02,0x00 },
mxf_read_partition_pack },
2209 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x03,0x00 },
mxf_read_partition_pack },
2210 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x04,0x00 },
mxf_read_partition_pack },
2211 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x01,0x00 },
mxf_read_partition_pack },
2212 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x02,0x00 },
mxf_read_partition_pack },
2213 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x03,0x00 },
mxf_read_partition_pack },
2214 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x04,0x00 },
mxf_read_partition_pack },
2215 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x02,0x00 },
mxf_read_partition_pack },
2216 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x04,0x00 },
mxf_read_partition_pack },
2217 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x2f,0x00 },
mxf_read_preface_metadata },
2218 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x30,0x00 },
mxf_read_identification_metadata },
2219 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x18,0x00 },
mxf_read_content_storage, 0,
AnyType },
2220 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x37,0x00 },
mxf_read_package,
sizeof(
MXFPackage),
SourcePackage },
2221 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x36,0x00 },
mxf_read_package,
sizeof(
MXFPackage),
MaterialPackage },
2222 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0f,0x00 },
mxf_read_sequence,
sizeof(
MXFSequence),
Sequence },
2223 { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x05,0x00 },
mxf_read_essence_group,
sizeof(
MXFEssenceGroup),
EssenceGroup},
2224 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x11,0x00 },
mxf_read_source_clip,
sizeof(
MXFStructuralComponent),
SourceClip },
2225 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3f,0x00 },
mxf_read_tagged_value,
sizeof(
MXFTaggedValue),
TaggedValue },
2226 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x44,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
MultipleDescriptor },
2227 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x42,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2228 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x28,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2229 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x29,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2230 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2231 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2232 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2233 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2234 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2235 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5e,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2236 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3A,0x00 },
mxf_read_track,
sizeof(
MXFTrack),
Track },
2237 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3B,0x00 },
mxf_read_track,
sizeof(
MXFTrack),
Track },
2238 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x14,0x00 },
mxf_read_timecode_component,
sizeof(
MXFTimecodeComponent),
TimecodeComponent },
2239 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0c,0x00 },
mxf_read_pulldown_component,
sizeof(
MXFPulldownComponent),
PulldownComponent },
2240 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x04,0x01,0x02,0x02,0x00,0x00 },
mxf_read_cryptographic_context,
sizeof(
MXFCryptoContext),
CryptoContext },
2241 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 },
mxf_read_index_table_segment,
sizeof(
MXFIndexTableSegment),
IndexTableSegment },
2242 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
NULL, 0,
AnyType },
2284 if (local_tag == tag) {
2291 if (ctx_size && tag == 0x3C0A) {
2293 }
else if ((ret = read_child(ctx, pb, tag, size, uid, -1)) < 0) {
2307 "local tag %#04x extends past end of local set @ %#"PRIx64
"\n",
2328 key[13] >= 2 && key[13] <= 4;
2340 if (klv.
key[5] == 0x53) {
2370 int64_t current_partition_ofs;
2401 if (klv.
offset >= current_partition_ofs) {
2403 PRIx64
" indirectly points to itself\n", current_partition_ofs);
2443 "failed to seek to FooterPartition @ 0x%" PRIx64
2444 " (%"PRId64
") - partial file?\n",
2492 "partition %i: bad ThisPartition = %"PRIX64
"\n",
2502 int64_t
ret = (position / kag_size) * kag_size;
2503 return ret == position ? ret : ret + kag_size;
2551 int essence_partition_count = 0;
2574 essence_partition_count++;
2578 if (essence_partition_count != 1)
2581 if (!(segment =
av_mallocz(
sizeof(*segment))))
2604 int64_t file_size, max_rip_length, min_rip_length;
2620 max_rip_length = ((file_size - mxf->
run_in) / 105) * 12 + 28;
2621 max_rip_length =
FFMIN(max_rip_length, INT_MAX);
2624 min_rip_length = 16+1+24+4;
2635 klv.
length != length - 20)
2655 int64_t essence_offset = 0;
2700 int64_t op1a_essence_offset =
2718 if (!essence_offset)
2719 essence_offset = klv.
offset;
2734 for (metadata = mxf_metadata_read_table; metadata->
read; metadata++) {
2744 if (!metadata->
read)
2748 if (!essence_offset) {
2768 av_log(mxf->
fc,
AV_LOG_INFO,
"got %i index tables - only the first one (IndexSID %i) will be used\n",
2791 int64_t last_ofs = -1, next_ofs = -1;
2804 if (next_ofs <= last_ofs) {
2808 "next_ofs didn't change. not deriving packet timestamps\n");
2812 if (next_ofs > current_offset)
2815 last_ofs = next_ofs;
2827 uint64_t *sample_count)
2829 int i, total = 0, size = 0;
2836 if ((sample_rate.
num / sample_rate.
den) == 48000)
2839 int remainder = (sample_rate.
num * time_base.
num) %
2840 (time_base.
den * sample_rate.
den);
2842 av_mul_q(sample_rate, time_base)));
2845 "seeking detected on stream #%d with time base (%d/%d) and "
2846 "sample rate (%d/%d), audio pts won't be accurate.\n",
2847 stream_index, time_base.
num, time_base.
den,
2848 sample_rate.
num, sample_rate.
den);
2873 if (!bits_per_sample)
2879 || bits_per_sample <= 0
2880 || codec->
channels * (int64_t)bits_per_sample < 8)
2906 int64_t next_ofs, next_klv;
2913 "error getting stream index %"PRIu32
"\n",
2927 if (next_ofs >= 0 && next_klv > next_ofs) {
2931 "OPAtom misinterpreted as OP1a?"
2932 "KLV for edit unit %i extending into "
2939 if (klv.
key[12] == 0x06 && klv.
key[13] == 0x01 && klv.
key[14] == 0x10) {
2990 int64_t ret64, pos, next_pos;
3023 if ((size = next_pos - pos) <= 0) {
3028 if ((ret64 =
avio_seek(s->
pb, pos, SEEK_SET)) < 0)
3091 for (; bufp <
end;) {
3092 if (!((bufp[13] - 1) & 0xF2)){
3126 if (sample_time < 0)
3141 sample_time =
FFMAX(sample_time, 0);
3165 uint64_t current_sample_count = 0;
static const uint8_t mxf_crypto_source_container_ul[]
static void mxf_compute_essence_containers(MXFContext *mxf)
Figures out the proper offset and length of the essence container in each partition.
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
enum MXFMetadataSetType type
static int mxf_parse_structural_metadata(MXFContext *mxf)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
int64_t avio_size(AVIOContext *s)
Get the filesize.
unsigned int component_depth
KLVPacket current_klv_data
static int mxf_read_index_table_segment(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static const MXFMetadataReadTableEntry mxf_metadata_read_table[]
int structural_components_count
#define PRINT_KEY(pc, s, x)
static int klv_read_packet(KLVPacket *klv, AVIOContext *pb)
UID * structural_components_refs
#define AV_LOG_WARNING
Something somehow does not look correct.
static int mxf_seek_to_previous_partition(MXFContext *mxf)
Seeks to the previous partition and parses it, if possible.
enum MXFMetadataSetType type
int64_t pos
byte position in stream, -1 if unknown
static int mxf_probe(AVProbeData *p)
void av_shrink_packet(AVPacket *pkt, int size)
Reduce packet size, correctly zeroing padding.
UID * structural_components_refs
static void mxf_read_random_index_pack(AVFormatContext *s)
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
int index
stream index in AVFormatContext
#define SET_TS_METADATA(pb, name, var, str)
uint64_t footer_partition
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
enum MXFMetadataSetType type
void av_aes_crypt(AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt)
Encrypt or decrypt a buffer using a previously initialized context.
static int mxf_read_seek(AVFormatContext *s, int stream_index, int64_t sample_time, int flags)
static int mxf_uid_to_str(UID uid, char **str)
static int mxf_get_d10_aes3_packet(AVIOContext *pb, AVStream *st, AVPacket *pkt, int64_t length)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static int mxf_umid_to_str(UID ul, UID uid, char **str)
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
#define FF_ARRAY_ELEMS(a)
unsigned int avio_rb16(AVIOContext *s)
static int mxf_is_intra_only(MXFDescriptor *descriptor)
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_RB16
static int mxf_read_header(AVFormatContext *s)
int avio_get_str16le(AVIOContext *pb, int maxlen, char *buf, int buflen)
Read a UTF-16 string from pb and convert it to UTF-8.
static int mxf_parse_klv(MXFContext *mxf, KLVPacket klv, MXFMetadataReadFunc *read, int ctx_size, enum MXFMetadataSetType type)
Parses a metadata KLV.
enum MXFMetadataSetType type
#define AV_DICT_DONT_STRDUP_KEY
Take ownership of a key that's been allocated with av_malloc() or another memory allocation function...
static int mxf_parse_handle_partition_or_eof(MXFContext *mxf)
Called when the next partition or EOF is encountered.
static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, MXFMetadataReadFunc *read_child, int ctx_size, enum MXFMetadataSetType type)
static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt)
static int is_pcm(enum AVCodecID codec_id)
static int mxf_handle_missing_index_segment(MXFContext *mxf)
Deal with the case where OPAtom files does not have any IndexTableSegments.
static const uint8_t mxf_indirect_value_utf16le[]
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
const MXFSamplesPerFrame * ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
Opaque data information usually continuous.
static const uint8_t mxf_avid_essence_element_key[]
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
unsigned int avio_rb32(AVIOContext *s)
static av_cold int end(AVCodecContext *avctx)
AVRational index_edit_rate
enum AVStreamParseType need_parsing
int id
Format-specific stream ID.
static int mxf_read_close(AVFormatContext *s)
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
static int mxf_add_umid_metadata(AVDictionary **pm, const char *key, MXFPackage *package)
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
AVStream ** streams
A list of all streams in the file.
static int mxf_absolute_bodysid_offset(MXFContext *mxf, int body_sid, int64_t offset, int64_t *offset_out)
Computes the absolute file offset of the given essence container offset.
static const uint8_t mxf_klv_key[]
int MXFMetadataReadFunc(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static double av_q2d(AVRational a)
Convert rational to double.
static int mxf_compute_index_tables(MXFContext *mxf)
Sorts and collects index table segments into index tables.
MXFIndexTableSegment ** segments
const MXFCodecUL ff_mxf_codec_uls[]
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
static const uint8_t mxf_sony_mpeg4_extradata[]
#define AVERROR_EOF
End of file.
static const uint8_t mxf_avid_project_name[]
static av_cold int read_close(AVFormatContext *ctx)
#define AV_LOG_VERBOSE
Detailed information.
static int mxf_read_utf16_string(AVIOContext *pb, int size, char **str, int be)
uint64_t avio_rb64(AVIOContext *s)
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
int bits_per_coded_sample
bits per sample/pixel from the demuxer (needed for huffyuv).
static const MXFCodecUL mxf_intra_only_essence_container_uls[]
unsigned int vert_subsampling
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
static const uint8_t mxf_random_index_pack_key[]
static int mxf_get_sorted_table_segments(MXFContext *mxf, int *nb_sorted_segments, MXFIndexTableSegment ***sorted_segments)
static MXFDescriptor * mxf_resolve_multidescriptor(MXFContext *mxf, MXFDescriptor *descriptor, int track_id)
static int mxf_timestamp_to_str(uint64_t timestamp, char **str)
int64_t original_duration
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
int av_timecode_init(AVTimecode *tc, AVRational rate, int flags, int frame_start, void *log_ctx)
Init a timecode struct with the passed parameters.
#define SET_UID_METADATA(pb, name, var, str)
static int mxf_read_sync(AVIOContext *pb, const uint8_t *key, unsigned size)
AVCodecID
Identify the syntax and semantics of the bitstream.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int last_forward_partition
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
AVDictionary * metadata
Metadata that applies to the whole file.
static int mxf_read_timecode_component(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static void mxf_read_pixel_layout(AVIOContext *pb, MXFDescriptor *descriptor)
static MXFTimecodeComponent * mxf_resolve_timecode_component(MXFContext *mxf, UID *strong_ref)
int8_t * temporal_offset_entries
static int mxf_add_timecode_metadata(AVDictionary **pm, const char *key, AVTimecode *tc)
static int mxf_read_sequence(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int mxf_edit_unit_absolute_offset(MXFContext *mxf, MXFIndexTable *index_table, int64_t edit_unit, int64_t *edit_unit_out, int64_t *offset_out, int nag)
MXFDescriptor * descriptor
int64_t timestamp
Timestamp in AVStream.time_base units, preferably the time from which on correctly decoded frames are...
uint64_t index_start_position
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static int mxf_read_index_entry_array(AVIOContext *pb, MXFIndexTableSegment *segment)
static const MXFCodecUL mxf_intra_only_picture_essence_coding_uls[]
static const MXFCodecUL mxf_sound_essence_container_uls[]
simple assert() macros that are a bit more flexible than ISO C assert().
static int mxf_parse_handle_essence(MXFContext *mxf)
Called when essence is encountered.
struct AVAES * av_aes_alloc(void)
Allocate an AVAES context.
static int64_t round_to_kag(int64_t position, int kag_size)
static const uint8_t offset[127][2]
static int mxf_read_package(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int mxf_read_source_clip(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int mxf_match_uid(const UID key, const UID uid, int len)
int avio_r8(AVIOContext *s)
static MXFStructuralComponent * mxf_resolve_sourceclip(MXFContext *mxf, UID *strong_ref)
AVCodecContext * codec
Codec context associated with this stream.
int buf_size
Size of buf except extra allocated bytes.
int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt)
const MXFCodecUL ff_mxf_pixel_format_uls[]
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
static const MXFCodecUL * mxf_get_codec_ul(const MXFCodecUL *uls, UID *uid)
static const uint8_t mxf_jp2k_rsiz[]
MXFPartition * partitions
enum MXFMetadataSetType type
static const uint8_t mxf_essence_element_key[]
static void * mxf_resolve_strong_ref(MXFContext *mxf, UID *strong_ref, enum MXFMetadataSetType type)
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
unsigned int horiz_subsampling
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
static MXFStructuralComponent * mxf_resolve_essence_group_choice(MXFContext *mxf, MXFEssenceGroup *essence_group)
static const uint8_t mxf_encrypted_triplet_key[]
#define AV_DICT_DONT_STRDUP_VAL
Take ownership of a value that's been allocated with av_malloc() or another memory allocation functio...
enum AVPixelFormat pix_fmt
int64_t essence_offset
absolute offset of essence
int width
picture width / height.
static int mxf_parse_package_comments(MXFContext *mxf, AVDictionary **pm, MXFPackage *package)
int edit_units_per_packet
how many edit units to read at a time (PCM, OPAtom)
GLsizei GLboolean const GLfloat * value
int64_t last_forward_tell
static const uint8_t mxf_header_partition_pack_key[]
static int mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int mxf_decrypt_triplet(AVFormatContext *s, AVPacket *pkt, KLVPacket *klv)
static int mxf_read_identification_metadata(void *arg, AVIOContext *pb, int tag, int size, UID _uid, int64_t klv_offset)
static int mxf_get_stream_index(AVFormatContext *s, KLVPacket *klv)
static void mxf_handle_small_eubc(AVFormatContext *s)
Deal with the case where for some audio atoms EditUnitByteCount is very small (2, 4...
const MXFCodecUL ff_mxf_data_definition_uls[]
SMPTE RP224 http://www.smpte-ra.org/mdd/index.html.
UID * sub_descriptors_refs
static int mxf_read_essence_group(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
preferred ID for MPEG-1/2 video decoding
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
static int read_header(FFV1Context *f)
#define FF_PROFILE_JPEG2000_DCINEMA_4K
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
static const char *const mxf_data_essence_descriptor[]
static int mxf_read_strong_ref_array(AVIOContext *pb, UID **refs, int *count)
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
int av_aes_init(AVAES *a, const uint8_t *key, int key_bits, int decrypt)
Initialize an AVAES context.
static int mxf_read_tagged_value(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
#define AV_LOG_INFO
Standard information.
enum AVMediaType codec_type
int sub_descriptors_count
int sample_rate
samples per second
AVIOContext * pb
I/O context.
static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static const uint8_t mxf_encrypted_essence_container[]
static int mxf_metadataset_init(MXFMetadataSet *ctx, enum MXFMetadataSetType type)
main external API structure.
enum MXFMetadataSetType type
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
static const MXFCodecUL mxf_data_essence_container_uls[]
rational number numerator/denominator
static int mxf_read_partition_pack(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
AVRational display_aspect_ratio
display aspect ratio (0 if unknown)
static const uint8_t mxf_system_item_key[]
static MXFPackage * mxf_resolve_source_package(MXFContext *mxf, UID package_uid)
unsigned partitions_count
enum MXFMetadataSetType type
This structure contains the data a format has to probe a file.
void * av_calloc(size_t nmemb, size_t size)
Allocate a block of nmemb * size bytes with alignment suitable for all memory accesses (including vec...
#define READ_STR16(type, big_endian)
static const uint8_t mxf_indirect_value_utf16be[]
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
static int64_t klv_decode_ber_length(AVIOContext *pb)
char * av_timecode_make_string(const AVTimecode *tc, char *buf, int framenum)
Load timecode string in buf.
#define FF_PROFILE_JPEG2000_DCINEMA_2K
static int mxf_read_pulldown_component(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
int64_t duration
Decoding: duration of the stream, in stream time base.
static int mxf_parse_physical_source_package(MXFContext *mxf, MXFTrack *source_track, AVStream *st)
static int op(uint8_t **dst, const uint8_t *dst_end, GetByteContext *gb, int pixel, int count, int *x, int width, int linesize)
Perform decode operation.
static int mxf_read_content_storage(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static const MXFCodecUL mxf_picture_essence_container_uls[]
int avio_get_str16be(AVIOContext *pb, int maxlen, char *buf, int buflen)
static int mxf_set_audio_pts(MXFContext *mxf, AVCodecContext *codec, AVPacket *pkt)
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base...
MXFMetadataReadFunc * read
int av_dict_set_int(AVDictionary **pm, const char *key, int64_t value, int flags)
Convenience wrapper for av_dict_set that converts the value to a string and stores it...
static void mxf_free_metadataset(MXFMetadataSet **ctx, int freectx)
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
AVInputFormat ff_mxf_demuxer
AVIndexEntry * fake_index
int64_t pack_ofs
absolute offset of pack in file, including run-in
int structural_components_count
static int mxf_read_cryptographic_context(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int mxf_compute_ptses_fake_index(MXFContext *mxf, MXFIndexTable *index_table)
uint64_t * stream_offset_entries
static int mxf_is_partition_pack_key(UID key)
Matches any partition pack key, in other words:
static int mxf_read_preface_metadata(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
int channels
number of audio channels
static int mxf_add_metadata_set(MXFContext *mxf, void *metadata_set)
void * priv_data
Format private data.
static int64_t mxf_essence_container_end(MXFContext *mxf, int body_sid)
Returns the end position of the essence container with given BodySID, or zero if unknown.
static int mxf_read_indirect_value(void *arg, AVIOContext *pb, int size)
static int mxf_read_track(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
#define SET_STR_METADATA(pb, name, str)
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
static void * av_mallocz_array(size_t nmemb, size_t size)
static int64_t mxf_set_current_edit_unit(MXFContext *mxf, int64_t current_offset)
Sets mxf->current_edit_unit based on what offset we're currently at.
int bit_rate
Total stream bitrate in bit/s, 0 if not available.
MXFMetadataSet ** metadata_sets
static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
static int mxf_compute_sample_count(MXFContext *mxf, int stream_index, uint64_t *sample_count)
enum AVFieldOrder field_order
Field order.
int avio_feof(AVIOContext *s)
feof() equivalent for AVIOContext.
MXFIndexTable * index_tables
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
enum AVDiscard discard
Selects which packets can be discarded at will and do not need to be demuxed.
AVPixelFormat
Pixel format.
This structure stores compressed data.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
enum MXFMetadataSetType type
MXFPartition * current_partition
#define AV_NOPTS_VALUE
Undefined timestamp value.
uint64_t previous_partition
#define AV_TIMECODE_STR_SIZE
int64_t header_byte_count