178 int video_line_map[2];
179 #define MXF_FIELD_DOMINANCE_DEFAULT 0 180 #define MXF_FIELD_DOMINANCE_FF 1 181 #define MXF_FIELD_DOMINANCE_FL 2 288 static const uint8_t mxf_header_partition_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02 };
289 static const uint8_t mxf_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01 };
290 static const uint8_t mxf_avid_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0e,0x04,0x03,0x01 };
291 static const uint8_t mxf_canopus_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x0a,0x0e,0x0f,0x03,0x01 };
292 static const uint8_t mxf_system_item_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x03,0x01,0x04 };
295 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 };
296 static const uint8_t mxf_encrypted_triplet_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 };
297 static const uint8_t mxf_encrypted_essence_container[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 };
298 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 };
299 static const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 };
300 static const uint8_t mxf_avid_project_name[] = { 0xa5,0xfb,0x7b,0x25,0xf6,0x15,0x94,0xb9,0x62,0xfc,0x37,0x17,0x49,0x2d,0x42,0xbf };
301 static const uint8_t mxf_jp2k_rsiz[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 };
302 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 };
303 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 };
305 #define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y))) 310 switch ((*ctx)->type) {
351 int bytes_num = size & 0x7f;
357 size = size << 8 |
avio_r8(pb);
365 for (i = 0; i < size && !
avio_feof(pb); i++) {
369 else if (b != key[i])
383 return klv->
length == -1 ? -1 : 0;
403 const uint8_t *buf_ptr, *end_ptr;
412 data_ptr = pkt->
data;
414 buf_ptr = pkt->
data + 4;
421 uint32_t
sample = bytestream_get_le32(&buf_ptr);
423 bytestream_put_le24(&data_ptr, (sample >> 4) & 0xffffff);
425 bytestream_put_le16(&data_ptr, (sample >> 12) & 0xffff);
435 static const uint8_t checkv[16] = {0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b};
441 uint64_t plaintext_size;
468 if (orig_size < plaintext_size)
472 if (size < 32 || size - 32 < orig_size || (
int)orig_size != orig_size)
478 if (memcmp(tmpbuf, checkv, 16))
484 else if (size < plaintext_size)
486 size -= plaintext_size;
489 &pkt->
data[plaintext_size], size >> 4, ivec, 1);
502 if (item_len != 18) {
506 if (item_num > 65536 || item_num < 0) {
527 uint64_t footer_partition;
528 uint32_t nb_essence_containers;
547 memset(partition, 0,
sizeof(*partition));
589 "PreviousPartition equal to ThisPartition %"PRIx64
"\n",
602 "Overriding PreviousPartition with %"PRIx64
"\n",
607 if (footer_partition) {
610 "inconsistent FooterPartition value: %"PRIu64
" != %"PRIu64
"\n",
618 "PartitionPack: ThisPartition = 0x%"PRIX64
619 ", PreviousPartition = 0x%"PRIX64
", " 620 "FooterPartition = 0x%"PRIX64
", IndexSID = %i, BodySID = %i\n",
630 "PreviousPartition points to this partition or forward\n");
634 if (op[12] == 1 && op[13] == 1) mxf->
op =
OP1a;
635 else if (op[12] == 1 && op[13] == 2) mxf->
op =
OP1b;
636 else if (op[12] == 1 && op[13] == 3) mxf->
op =
OP1c;
637 else if (op[12] == 2 && op[13] == 1) mxf->
op =
OP2a;
638 else if (op[12] == 2 && op[13] == 2) mxf->
op =
OP2b;
639 else if (op[12] == 2 && op[13] == 3) mxf->
op =
OP2c;
640 else if (op[12] == 3 && op[13] == 1) mxf->
op =
OP3a;
641 else if (op[12] == 3 && op[13] == 2) mxf->
op =
OP3b;
642 else if (op[12] == 3 && op[13] == 3) mxf->
op =
OP3c;
643 else if (op[12] == 64&& op[13] == 1) mxf->
op =
OPSONYOpt;
644 else if (op[12] == 0x10) {
649 if (nb_essence_containers != 1) {
655 "\"OPAtom\" with %"PRIu32
" ECs - assuming %s\n",
656 nb_essence_containers,
657 op ==
OP1a ?
"OP1a" :
"OPAtom");
663 av_log(mxf->
fc,
AV_LOG_ERROR,
"unknown operational pattern: %02xh %02xh - guessing OP1a\n", op[12], op[13]);
723 if (size < 0 || size > INT_MAX/2)
726 buf_size = size + size / 2 + 1;
745 #define READ_STR16(type, big_endian) \ 746 static int mxf_read_utf16 ## type ##_string(AVIOContext *pb, int size, char** str) \ 748 return mxf_read_utf16_string(pb, size, str, big_endian); \ 828 mxf_read_utf16be_string(pb, size, &track->
name);
881 &package->tracks_count);
888 avio_read(pb, package->descriptor_ref, 16);
891 return mxf_read_utf16be_string(pb, size, &package->name);
894 &package->comment_count);
968 int code,
value, ofs = 0;
977 layout[ofs++] = code;
978 layout[ofs++] =
value;
989 int entry_count, entry_size;
1022 if (entry_size == 4) {
1023 if (entry_count > 0)
1027 if (entry_count > 1)
1101 return mxf_read_utf16le_string(pb, size - 17, &tagged_value->
value);
1103 return mxf_read_utf16be_string(pb, size - 17, &tagged_value->
value);
1113 return mxf_read_utf16be_string(pb, size, &tagged_value->
name);
1127 for (i = 0; i <
len; i++) {
1128 if (i != 7 && key[i] != uid[i])
1136 while (uls->
uid[0]) {
1161 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, 14,
AV_CODEC_ID_JPEG2000 },
1162 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, 14,
AV_CODEC_ID_H264 },
1163 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x12,0x01,0x00 }, 14,
AV_CODEC_ID_VC1 },
1164 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1165 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1166 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14,
AV_CODEC_ID_DVVIDEO },
1167 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14,
AV_CODEC_ID_RAWVIDEO },
1168 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x01,0x01 }, 15,
AV_CODEC_ID_HQ_HQA },
1169 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x02,0x01 }, 15,
AV_CODEC_ID_HQX },
1170 { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4f }, 14,
AV_CODEC_ID_RAWVIDEO },
1171 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1176 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1177 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1182 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14,
AV_CODEC_ID_H264 },
1183 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14,
AV_CODEC_ID_JPEG2000 },
1184 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1189 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 16, 1440 },
1190 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 16, 1440 },
1191 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 16, 1440 },
1192 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 16, 1440 },
1193 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, 0 },
1198 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14,
AV_CODEC_ID_PCM_S16LE },
1199 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14,
AV_CODEC_ID_MP2 },
1200 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14,
AV_CODEC_ID_PCM_S16LE },
1201 { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4F }, 14,
AV_CODEC_ID_PCM_S16LE },
1202 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x03,0x04,0x02,0x02,0x02,0x03,0x03,0x01,0x00 }, 14,
AV_CODEC_ID_AAC },
1203 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1207 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, 0 },
1208 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1212 "vbi_vanc_smpte_436M",
1217 int i, j, nb_segments = 0;
1219 int last_body_sid = -1, last_index_sid = -1, last_index_start = -1;
1229 if (!(unsorted_segments =
av_calloc(nb_segments,
sizeof(*unsorted_segments))) ||
1230 !(*sorted_segments =
av_calloc(nb_segments,
sizeof(**sorted_segments)))) {
1240 *nb_sorted_segments = 0;
1243 for (i = 0; i < nb_segments; i++) {
1244 int best = -1, best_body_sid = -1, best_index_sid = -1, best_index_start = -1;
1245 uint64_t best_index_duration = 0;
1247 for (j = 0; j < nb_segments; j++) {
1269 (*sorted_segments)[(*nb_sorted_segments)++] = unsorted_segments[best];
1270 last_body_sid = best_body_sid;
1271 last_index_sid = best_index_sid;
1272 last_index_start = best_index_start;
1286 int64_t offset_in =
offset;
1303 "failed to find absolute offset of %"PRIX64
" in BodySID %i - partial file?\n",
1304 offset_in, body_sid);
1336 int64_t offset_temp = 0;
1360 av_log(mxf->
fc,
AV_LOG_ERROR,
"IndexSID %i segment at %"PRId64
" missing EditUnitByteCount and IndexEntryArray\n",
1366 *edit_unit_out = edit_unit;
1384 int8_t max_temporal_offset = -128;
1415 for (x = 0; x < index_table->
nb_ptses; x++)
1447 int index_delta = 1;
1456 for (j = 0; j <
n; j += index_delta, x++) {
1462 "x >= nb_ptses - IndexEntryCount %i < IndexDuration %"PRId64
"?\n",
1469 if (index < 0 || index >= index_table->
nb_ptses) {
1471 "index entry %i + TemporalOffset %i = %i, which is out of bounds\n",
1478 max_temporal_offset =
FFMAX(max_temporal_offset, offset);
1483 for (x = 0; x < index_table->
nb_ptses; x++) {
1490 index_table->
first_dts = -max_temporal_offset;
1501 int i, j, k, ret, nb_sorted_segments;
1513 nb_sorted_segments <= 0) {
1519 for (i = 0; i < nb_sorted_segments; i++) {
1525 goto finish_decoding_index;
1534 goto finish_decoding_index;
1538 for (i = j = 0; i < nb_sorted_segments; i++) {
1555 " pointer array\n");
1557 goto finish_decoding_index;
1560 if (sorted_segments[i]->index_start_position)
1561 av_log(mxf->
fc,
AV_LOG_WARNING,
"IndexSID %i starts at EditUnit %"PRId64
" - seeking may not work as expected\n",
1569 goto finish_decoding_index;
1577 av_log(mxf->
fc,
AV_LOG_WARNING,
"IndexSID %i segment %i has zero IndexDuration and there's more than one segment\n",
1594 finish_decoding_index:
1614 for (i = 0; i <
sizeof(
UID); i++) {
1615 snprintf(p, 2 + 1,
"%.2x", uid[i]);
1617 if (i == 3 || i == 5 || i == 7 || i == 9) {
1634 for (i = 0; i <
sizeof(
UID); i++) {
1639 for (i = 0; i <
sizeof(
UID); i++) {
1640 snprintf(p, 2 + 1,
"%.2X", uid[i]);
1675 switch (component->
type) {
1693 package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[i], SourcePackage);
1697 if (!memcmp(package->package_uid, package_uid, 16))
1715 if (!sub_descriptor) {
1720 return sub_descriptor;
1763 switch (component->
type) {
1785 size = strlen(tag->
name) + 8 + 1;
1805 int64_t start_position;
1818 if (physical_package->
name && physical_package->
name[0])
1838 "Invalid edit rate (%d/%d) found on structural" 1839 " component #%d, defaulting to 25/1\n",
1913 if (material_package)
break;
1915 if (!material_package) {
1921 if (material_package->
name && material_package->
name[0])
1933 UID *essence_container_ul =
NULL;
1983 if (!source_package) {
1994 source_track = temp_track;
1998 if (!source_track) {
2002 if(source_track && component)
2005 if (!source_track || !component || !source_package) {
2049 "Invalid edit rate (%d/%d) found on stream #%d, " 2050 "defaulting to 25/1\n",
2079 essence_container_ul = &((
MXFCryptoContext *)metadata)->source_container_ul;
2095 for (k = 0; k < 16; k++) {
2098 if (!(k+1 & 19) || k == 5)
2104 if (source_package->
name && source_package->
name[0])
2106 if (material_track->
name && material_track->
name[0])
2113 container_ul =
mxf_get_codec_ul(mxf_picture_essence_container_uls, essence_container_ul);
2154 "Field dominance %d support",
2168 "Field dominance %d support",
2210 container_ul =
mxf_get_codec_ul(mxf_sound_essence_container_uls, essence_container_ul);
2222 "found for stream #%d, time base forced to 1/48000\n",
2250 essence_container_ul)->
id;
2251 if (codec_id >= 0 &&
2254 mxf_data_essence_descriptor[codec_id], 0);
2283 struct tm time = { 0 };
2284 time.tm_year = (timestamp >> 48) - 1900;
2285 time.tm_mon = (timestamp >> 40 & 0xFF) - 1;
2286 time.tm_mday = (timestamp >> 32 & 0xFF);
2287 time.tm_hour = (timestamp >> 24 & 0xFF);
2288 time.tm_min = (timestamp >> 16 & 0xFF);
2289 time.tm_sec = (timestamp >> 8 & 0xFF);
2294 time.tm_mon = av_clip(time.tm_mon, 0, 11);
2295 time.tm_mday = av_clip(time.tm_mday, 1, 31);
2296 time.tm_hour = av_clip(time.tm_hour, 0, 23);
2297 time.tm_min = av_clip(time.tm_min, 0, 59);
2298 time.tm_sec = av_clip(time.tm_sec, 0, 59);
2300 return (int64_t)
av_timegm(&time) * 1000000;
2303 #define SET_STR_METADATA(pb, name, str) do { \ 2304 if ((ret = mxf_read_utf16be_string(pb, size, &str)) < 0) \ 2306 av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \ 2309 #define SET_UID_METADATA(pb, name, var, str) do { \ 2310 avio_read(pb, var, 16); \ 2311 if ((ret = mxf_uid_to_str(var, &str)) < 0) \ 2313 av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \ 2316 #define SET_TS_METADATA(pb, name, var, str) do { \ 2317 var = avio_rb64(pb); \ 2318 if ((ret = avpriv_dict_set_timestamp(&s->metadata, name, mxf_timestamp_to_int64(var)) < 0)) \ 2373 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x05,0x01,0x00 },
mxf_read_primer_pack },
2374 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 },
mxf_read_partition_pack },
2375 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x02,0x00 },
mxf_read_partition_pack },
2376 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x03,0x00 },
mxf_read_partition_pack },
2377 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x04,0x00 },
mxf_read_partition_pack },
2378 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x01,0x00 },
mxf_read_partition_pack },
2379 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x02,0x00 },
mxf_read_partition_pack },
2380 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x03,0x00 },
mxf_read_partition_pack },
2381 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x04,0x00 },
mxf_read_partition_pack },
2382 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x02,0x00 },
mxf_read_partition_pack },
2383 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x04,0x00 },
mxf_read_partition_pack },
2384 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x2f,0x00 },
mxf_read_preface_metadata },
2385 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x30,0x00 },
mxf_read_identification_metadata },
2386 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x18,0x00 },
mxf_read_content_storage, 0,
AnyType },
2387 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x37,0x00 },
mxf_read_package,
sizeof(
MXFPackage),
SourcePackage },
2388 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x36,0x00 },
mxf_read_package,
sizeof(
MXFPackage),
MaterialPackage },
2389 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0f,0x00 },
mxf_read_sequence,
sizeof(
MXFSequence),
Sequence },
2390 { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x05,0x00 },
mxf_read_essence_group,
sizeof(
MXFEssenceGroup),
EssenceGroup},
2391 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x11,0x00 },
mxf_read_source_clip,
sizeof(
MXFStructuralComponent),
SourceClip },
2392 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3f,0x00 },
mxf_read_tagged_value,
sizeof(
MXFTaggedValue),
TaggedValue },
2393 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x44,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
MultipleDescriptor },
2394 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x42,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2395 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x28,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2396 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x29,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2397 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2398 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2399 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2400 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2401 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5e,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2402 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3A,0x00 },
mxf_read_track,
sizeof(
MXFTrack),
Track },
2403 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3B,0x00 },
mxf_read_track,
sizeof(
MXFTrack),
Track },
2404 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x14,0x00 },
mxf_read_timecode_component,
sizeof(
MXFTimecodeComponent),
TimecodeComponent },
2405 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0c,0x00 },
mxf_read_pulldown_component,
sizeof(
MXFPulldownComponent),
PulldownComponent },
2406 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x04,0x01,0x02,0x02,0x00,0x00 },
mxf_read_cryptographic_context,
sizeof(
MXFCryptoContext),
CryptoContext },
2407 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 },
mxf_read_index_table_segment,
sizeof(
MXFIndexTableSegment),
IndexTableSegment },
2408 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
NULL, 0, AnyType },
2440 if (next < 0 || next > INT64_MAX - size)
2453 if (local_tag == tag) {
2460 if (ctx_size && tag == 0x3C0A) {
2462 }
else if ((ret = read_child(ctx, pb, tag, size, uid, -1)) < 0) {
2476 "local tag %#04x extends past end of local set @ %#"PRIx64
"\n",
2497 key[13] >= 2 && key[13] <= 4;
2509 if (klv.
key[5] == 0x53) {
2539 int64_t current_partition_ofs;
2570 if (klv.
offset >= current_partition_ofs) {
2572 PRIx64
" indirectly points to itself\n", current_partition_ofs);
2612 "failed to seek to FooterPartition @ 0x%" PRIx64
2613 " (%"PRId64
") - partial file?\n",
2661 "partition %i: bad ThisPartition = %"PRIX64
"\n",
2671 int64_t ret = (position /
kag_size) * kag_size;
2672 return ret == position ? ret : ret +
kag_size;
2735 int essence_partition_count = 0;
2759 essence_partition_count++;
2763 if (essence_partition_count != 1)
2766 if (!(segment =
av_mallocz(
sizeof(*segment))))
2788 int64_t file_size, max_rip_length, min_rip_length;
2804 max_rip_length = ((file_size - mxf->
run_in) / 105) * 12 + 28;
2805 max_rip_length =
FFMIN(max_rip_length, INT_MAX);
2808 min_rip_length = 16+1+24+4;
2814 if (length < min_rip_length || length > max_rip_length)
2819 klv.
length != length - 20)
2884 int64_t op1a_essence_offset =
2902 if (!essence_offset)
2903 essence_offset = klv.
offset;
2918 for (metadata = mxf_metadata_read_table; metadata->
read; metadata++) {
2925 if (!metadata->
read) {
2932 if (!essence_offset) {
2952 av_log(mxf->
fc,
AV_LOG_INFO,
"got %i index tables - only the first one (IndexSID %i) will be used\n",
2975 int64_t last_ofs = -1, next_ofs = -1;
2988 if (next_ofs <= last_ofs) {
2992 "next_ofs didn't change. not deriving packet timestamps\n");
2996 if (next_ofs > current_offset)
2999 last_ofs = next_ofs;
3011 uint64_t *sample_count)
3013 int i, total = 0, size = 0;
3020 if ((sample_rate.
num / sample_rate.
den) == 48000)
3023 int remainder = (sample_rate.
num * time_base.
num) %
3024 (time_base.
den * sample_rate.
den);
3026 av_mul_q(sample_rate, time_base)));
3029 "seeking detected on stream #%d with time base (%d/%d) and " 3030 "sample rate (%d/%d), audio pts won't be accurate.\n",
3031 stream_index, time_base.
num, time_base.
den,
3032 sample_rate.
num, sample_rate.
den);
3057 if (!bits_per_sample)
3063 || bits_per_sample <= 0
3064 || par->
channels * (int64_t)bits_per_sample < 8)
3117 int64_t next_ofs, next_klv;
3122 "error getting stream index %"PRIu32
"\n",
3135 if (next_ofs >= 0 && next_klv > next_ofs) {
3139 "OPAtom misinterpreted as OP1a? " 3140 "KLV for edit unit %i extending into " 3147 if (klv.
key[12] == 0x06 && klv.
key[13] == 0x01 && klv.
key[14] == 0x10) {
3181 int64_t ret64, pos, next_pos;
3214 if ((size = next_pos - pos) <= 0) {
3219 if ((ret64 =
avio_seek(s->
pb, pos, SEEK_SET)) < 0)
3278 for (; bufp <
end;) {
3279 if (!((bufp[13] - 1) & 0xF2)){
3316 if (sample_time < 0)
3331 sample_time =
FFMAX(sample_time, 0);
3340 sample_time < t->ptses[0] &&
3342 sample_time = t->
ptses[0];
3348 sample_time += t->
offsets[sample_time];
3367 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.
time_t av_timegm(struct tm *tm)
Convert the decomposed UTC time in tm to a time_t value.
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
static int mxf_parse_structural_metadata(MXFContext *mxf)
enum AVFieldOrder field_order
Video only.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static enum AVPixelFormat pix_fmt
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)
#define avpriv_request_sample(...)
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
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)
int64_t bit_rate
Total stream bitrate in bit/s, 0 if not available.
static int mxf_get_d10_aes3_packet(AVIOContext *pb, AVStream *st, AVPacket *pkt, int64_t length)
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 MXF_FIELD_DOMINANCE_DEFAULT
unsigned int avio_rb16(AVIOContext *s)
static int mxf_is_intra_only(MXFDescriptor *descriptor)
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.
This struct describes the properties of an encoded stream.
static int mxf_parse_klv(MXFContext *mxf, KLVPacket klv, MXFMetadataReadFunc *read, int ctx_size, enum MXFMetadataSetType type)
Parses a metadata KLV.
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
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[]
#define MXF_FIELD_DOMINANCE_FF
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)
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)
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 int mxf_compute_index_tables(MXFContext *mxf)
Sorts and collects index table segments into index tables.
MXFIndexTableSegment ** segments
const MXFCodecUL ff_mxf_codec_uls[]
static double av_q2d(AVRational a)
Convert an AVRational to a double.
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.
static const MXFCodecUL mxf_intra_only_essence_container_uls[]
unsigned int vert_subsampling
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array.
#define MXF_FIELD_DOMINANCE_FL
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 AVStream * mxf_get_opatom_stream(MXFContext *mxf)
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)
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
static const MXFCodecUL mxf_intra_only_picture_essence_coding_uls[]
enum AVMediaType codec_type
General type of the encoded data.
static const MXFCodecUL mxf_sound_essence_container_uls[]
simple assert() macros that are a bit more flexible than ISO C assert().
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
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 void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
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)
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
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)
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 const MXFCodecUL mxf_intra_only_picture_coded_width[]
#define FF_PROFILE_JPEG2000_DCINEMA_4K
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
#define FF_ARRAY_ELEMS(a)
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
static int read_header(FFV1Context *f)
#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.
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
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.
int sub_descriptors_count
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)
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 (pair of numerator and denominator).
static int mxf_read_partition_pack(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static const uint8_t mxf_canopus_essence_element_key[]
AVRational display_aspect_ratio
display aspect ratio (0 if unknown)
static int mxf_set_pts(MXFContext *mxf, AVStream *st, AVPacket *pkt, int64_t next_ofs)
static const uint8_t mxf_system_item_key[]
static MXFPackage * mxf_resolve_source_package(MXFContext *mxf, UID package_uid)
unsigned partitions_count
This structure contains the data a format has to probe a file.
#define READ_STR16(type, big_endian)
const char * av_get_media_type_string(enum AVMediaType media_type)
Return a string describing the media_type enum, NULL if media_type is unknown.
static const uint8_t mxf_indirect_value_utf16be[]
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.
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 av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
int sample_rate
Audio only.
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)
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 int mxf_add_metadata_stream(MXFContext *mxf, MXFTrack *track)
static void mxf_free_metadataset(MXFMetadataSet **ctx, int freectx)
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 int64_t mxf_timestamp_to_int64(uint64_t timestamp)
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)
static int mxf_set_audio_pts(MXFContext *mxf, AVCodecParameters *par, AVPacket *pkt)
const MXFCodecUL ff_mxf_codec_tag_uls[]
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)
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.
#define FF_PROFILE_JPEG2000_DCINEMA_2K
static int mxf_read_indirect_value(void *arg, AVIOContext *pb, int size)
int bits_per_coded_sample
The number of bits per sample in the codedwords.
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
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...
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
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.
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)
AVCodecParameters * codecpar
int avio_feof(AVIOContext *s)
feof() equivalent for AVIOContext.
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
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.
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
MXFPartition * current_partition
#define AV_NOPTS_VALUE
Undefined timestamp value.
uint64_t previous_partition
#define AV_TIMECODE_STR_SIZE
int64_t header_byte_count