181 int video_line_map[2];
182 #define MXF_FIELD_DOMINANCE_DEFAULT 0 183 #define MXF_FIELD_DOMINANCE_FF 1 184 #define MXF_FIELD_DOMINANCE_FL 2 302 static const uint8_t mxf_header_partition_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02 };
303 static const uint8_t mxf_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01 };
304 static const uint8_t mxf_avid_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0e,0x04,0x03,0x01 };
305 static const uint8_t mxf_canopus_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x0a,0x0e,0x0f,0x03,0x01 };
306 static const uint8_t mxf_system_item_key_cp[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x03,0x01,0x04 };
307 static const uint8_t mxf_system_item_key_gc[] = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x03,0x01,0x14 };
310 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 };
311 static const uint8_t mxf_encrypted_triplet_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 };
312 static const uint8_t mxf_encrypted_essence_container[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 };
313 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 };
314 static const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 };
315 static const uint8_t mxf_avid_project_name[] = { 0xa5,0xfb,0x7b,0x25,0xf6,0x15,0x94,0xb9,0x62,0xfc,0x37,0x17,0x49,0x2d,0x42,0xbf };
316 static const uint8_t mxf_jp2k_rsiz[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 };
317 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 };
318 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 };
320 #define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y))) 325 switch ((*ctx)->type) {
367 int bytes_num = size & 0x7f;
373 size = size << 8 |
avio_r8(pb);
381 for (i = 0; i < size && !
avio_feof(pb); i++) {
385 else if (b != key[i])
399 return klv->
length == -1 ? -1 : 0;
428 if (this_partition <= offset)
442 const uint8_t *buf_ptr, *end_ptr;
451 data_ptr = pkt->
data;
453 buf_ptr = pkt->
data + 4;
456 uint32_t
sample = bytestream_get_le32(&buf_ptr);
458 bytestream_put_le24(&data_ptr, (sample >> 4) & 0xffffff);
460 bytestream_put_le16(&data_ptr, (sample >> 12) & 0xffff);
470 static const uint8_t checkv[16] = {0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b};
476 uint64_t plaintext_size;
506 if (orig_size < plaintext_size)
510 if (size < 32 || size - 32 < orig_size)
516 if (memcmp(tmpbuf, checkv, 16))
522 else if (size < plaintext_size)
524 size -= plaintext_size;
527 &pkt->
data[plaintext_size], size >> 4, ivec, 1);
540 if (item_len != 18) {
544 if (item_num > 65536 || item_num < 0) {
565 uint64_t footer_partition;
566 uint32_t nb_essence_containers;
588 memset(partition, 0,
sizeof(*partition));
630 "PreviousPartition equal to ThisPartition %"PRIx64
"\n",
643 "Overriding PreviousPartition with %"PRIx64
"\n",
648 if (footer_partition) {
651 "inconsistent FooterPartition value: %"PRIu64
" != %"PRIu64
"\n",
659 "PartitionPack: ThisPartition = 0x%"PRIX64
660 ", PreviousPartition = 0x%"PRIX64
", " 661 "FooterPartition = 0x%"PRIX64
", IndexSID = %i, BodySID = %i\n",
671 "PreviousPartition points to this partition or forward\n");
675 if (op[12] == 1 && op[13] == 1) mxf->
op =
OP1a;
676 else if (op[12] == 1 && op[13] == 2) mxf->
op =
OP1b;
677 else if (op[12] == 1 && op[13] == 3) mxf->
op =
OP1c;
678 else if (op[12] == 2 && op[13] == 1) mxf->
op =
OP2a;
679 else if (op[12] == 2 && op[13] == 2) mxf->
op =
OP2b;
680 else if (op[12] == 2 && op[13] == 3) mxf->
op =
OP2c;
681 else if (op[12] == 3 && op[13] == 1) mxf->
op =
OP3a;
682 else if (op[12] == 3 && op[13] == 2) mxf->
op =
OP3b;
683 else if (op[12] == 3 && op[13] == 3) mxf->
op =
OP3c;
684 else if (op[12] == 64&& op[13] == 1) mxf->
op =
OPSONYOpt;
685 else if (op[12] == 0x10) {
690 if (nb_essence_containers != 1) {
696 "\"OPAtom\" with %"PRIu32
" ECs - assuming %s\n",
697 nb_essence_containers,
698 op ==
OP1a ?
"OP1a" :
"OPAtom");
704 av_log(mxf->
fc,
AV_LOG_ERROR,
"unknown operational pattern: %02xh %02xh - guessing OP1a\n", op[12], op[13]);
764 if (size < 0 || size > INT_MAX/2)
767 buf_size = size + size / 2 + 1;
785 #define READ_STR16(type, big_endian) \ 786 static int mxf_read_utf16 ## type ##_string(AVIOContext *pb, int size, char** str) \ 788 return mxf_read_utf16_string(pb, size, str, big_endian); \ 871 mxf_read_utf16be_string(pb, size, &track->
name);
924 &package->tracks_count);
931 avio_read(pb, package->descriptor_ref, 16);
934 return mxf_read_utf16be_string(pb, size, &package->name);
937 &package->comment_count);
1030 int code,
value, ofs = 0;
1039 layout[ofs++] = code;
1040 layout[ofs++] =
value;
1043 }
while (code != 0);
1051 int entry_count, entry_size;
1084 if (entry_size == 4) {
1085 if (entry_count > 0)
1089 if (entry_count > 1)
1163 return mxf_read_utf16le_string(pb, size - 17, &tagged_value->
value);
1165 return mxf_read_utf16be_string(pb, size - 17, &tagged_value->
value);
1175 return mxf_read_utf16be_string(pb, size, &tagged_value->
name);
1189 for (i = 0; i <
len; i++) {
1190 if (i != 7 && key[i] != uid[i])
1198 while (uls->
uid[0]) {
1223 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, 14,
AV_CODEC_ID_JPEG2000 },
1224 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, 14,
AV_CODEC_ID_H264 },
1225 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x12,0x01,0x00 }, 14,
AV_CODEC_ID_VC1 },
1226 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1227 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1228 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14,
AV_CODEC_ID_DVVIDEO },
1229 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14,
AV_CODEC_ID_RAWVIDEO },
1230 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x01,0x01 }, 15,
AV_CODEC_ID_HQ_HQA },
1231 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x02,0x01 }, 15,
AV_CODEC_ID_HQX },
1232 { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4f }, 14,
AV_CODEC_ID_RAWVIDEO },
1233 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1238 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14,
AV_CODEC_ID_MPEG2VIDEO },
1239 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1244 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14,
AV_CODEC_ID_H264 },
1245 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14,
AV_CODEC_ID_JPEG2000 },
1246 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1251 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 16, 1440 },
1252 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 16, 1440 },
1253 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 16, 1440 },
1254 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 16, 1440 },
1255 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, 0 },
1260 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14,
AV_CODEC_ID_PCM_S16LE },
1261 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14,
AV_CODEC_ID_MP2 },
1262 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14,
AV_CODEC_ID_PCM_S16LE },
1263 { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4F }, 14,
AV_CODEC_ID_PCM_S16LE },
1264 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x03,0x04,0x02,0x02,0x02,0x03,0x03,0x01,0x00 }, 14,
AV_CODEC_ID_AAC },
1265 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1269 { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, 0 },
1270 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0,
AV_CODEC_ID_NONE },
1274 "vbi_vanc_smpte_436M",
1279 int i, j, nb_segments = 0;
1281 int last_body_sid = -1, last_index_sid = -1, last_index_start = -1;
1291 if (!(unsorted_segments =
av_calloc(nb_segments,
sizeof(*unsorted_segments))) ||
1292 !(*sorted_segments =
av_calloc(nb_segments,
sizeof(**sorted_segments)))) {
1302 *nb_sorted_segments = 0;
1305 for (i = 0; i < nb_segments; i++) {
1306 int best = -1, best_body_sid = -1, best_index_sid = -1, best_index_start = -1;
1307 uint64_t best_index_duration = 0;
1309 for (j = 0; j < nb_segments; j++) {
1337 (*sorted_segments)[(*nb_sorted_segments)++] = unsorted_segments[best];
1338 last_body_sid = best_body_sid;
1339 last_index_sid = best_index_sid;
1340 last_index_start = best_index_start;
1363 m0 = m = (a +
b) >> 1;
1365 while (m < b && mxf->partitions[m].body_sid != body_sid)
1368 if (m < b && mxf->partitions[m].
body_offset <= offset)
1383 "failed to find absolute offset of %"PRIX64
" in BodySID %i - partial file?\n",
1416 int64_t offset_temp = 0;
1440 av_log(mxf->
fc,
AV_LOG_ERROR,
"IndexSID %i segment at %"PRId64
" missing EditUnitByteCount and IndexEntryArray\n",
1446 *edit_unit_out = edit_unit;
1464 int8_t max_temporal_offset = -128;
1495 for (x = 0; x < index_table->
nb_ptses; x++)
1527 int index_delta = 1;
1536 for (j = 0; j <
n; j += index_delta, x++) {
1542 "x >= nb_ptses - IndexEntryCount %i < IndexDuration %"PRId64
"?\n",
1549 if (index < 0 || index >= index_table->
nb_ptses) {
1551 "index entry %i + TemporalOffset %i = %i, which is out of bounds\n",
1558 max_temporal_offset =
FFMAX(max_temporal_offset, offset);
1563 for (x = 0; x < index_table->
nb_ptses; x++) {
1570 index_table->
first_dts = -max_temporal_offset;
1581 int i, j, k, ret, nb_sorted_segments;
1585 nb_sorted_segments <= 0) {
1591 for (i = 0; i < nb_sorted_segments; i++) {
1597 goto finish_decoding_index;
1606 goto finish_decoding_index;
1610 for (i = j = 0; i < nb_sorted_segments; i++) {
1628 " pointer array\n");
1630 goto finish_decoding_index;
1633 if (sorted_segments[i]->index_start_position)
1634 av_log(mxf->
fc,
AV_LOG_WARNING,
"IndexSID %i starts at EditUnit %"PRId64
" - seeking may not work as expected\n",
1642 goto finish_decoding_index;
1658 av_log(mxf->
fc,
AV_LOG_WARNING,
"IndexSID %i segment %i has zero IndexDuration and there's more than one segment\n",
1675 finish_decoding_index:
1695 for (i = 0; i <
sizeof(
UID); i++) {
1696 snprintf(p, 2 + 1,
"%.2x", uid[i]);
1698 if (i == 3 || i == 5 || i == 7 || i == 9) {
1715 for (i = 0; i <
sizeof(
UID); i++) {
1720 for (i = 0; i <
sizeof(
UID); i++) {
1721 snprintf(p, 2 + 1,
"%.2X", uid[i]);
1756 switch (component->
type) {
1774 package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[i], SourcePackage);
1778 if (!memcmp(package->package_ul, package_ul, 16) && !memcmp(package->package_uid, package_uid, 16))
1796 if (!sub_descriptor) {
1801 return sub_descriptor;
1844 switch (component->
type) {
1866 size = strlen(tag->
name) + 8 + 1;
1886 int64_t start_position;
1899 if (physical_package->
name && physical_package->
name[0])
1919 "Invalid edit rate (%d/%d) found on structural" 1920 " component #%d, defaulting to 25/1\n",
1994 if (material_package)
break;
1996 if (!material_package) {
2002 if (material_package->
name && material_package->
name[0])
2014 UID *essence_container_ul =
NULL;
2064 if (!source_package) {
2075 source_track = temp_track;
2079 if (!source_track) {
2098 if(source_track && component)
2101 if (!source_track || !component || !source_package) {
2145 "Invalid edit rate (%d/%d) found on stream #%d, " 2146 "defaulting to 25/1\n",
2175 essence_container_ul = &((
MXFCryptoContext *)metadata)->source_container_ul;
2191 for (k = 0; k < 16; k++) {
2194 if (!(k+1 & 19) || k == 5)
2200 if (source_package->
name && source_package->
name[0])
2202 if (material_track->
name && material_track->
name[0])
2209 container_ul =
mxf_get_codec_ul(mxf_picture_essence_container_uls, essence_container_ul);
2250 "Field dominance %d support",
2264 "Field dominance %d support",
2306 container_ul =
mxf_get_codec_ul(mxf_sound_essence_container_uls, essence_container_ul);
2318 "found for stream #%d, time base forced to 1/48000\n",
2346 essence_container_ul)->
id;
2347 if (codec_id >= 0 &&
2350 mxf_data_essence_descriptor[codec_id], 0);
2379 struct tm time = { 0 };
2380 time.tm_year = (timestamp >> 48) - 1900;
2381 time.tm_mon = (timestamp >> 40 & 0xFF) - 1;
2382 time.tm_mday = (timestamp >> 32 & 0xFF);
2383 time.tm_hour = (timestamp >> 24 & 0xFF);
2384 time.tm_min = (timestamp >> 16 & 0xFF);
2385 time.tm_sec = (timestamp >> 8 & 0xFF);
2390 time.tm_mon = av_clip(time.tm_mon, 0, 11);
2391 time.tm_mday = av_clip(time.tm_mday, 1, 31);
2392 time.tm_hour = av_clip(time.tm_hour, 0, 23);
2393 time.tm_min = av_clip(time.tm_min, 0, 59);
2394 time.tm_sec = av_clip(time.tm_sec, 0, 59);
2396 return (int64_t)
av_timegm(&time) * 1000000;
2399 #define SET_STR_METADATA(pb, name, str) do { \ 2400 if ((ret = mxf_read_utf16be_string(pb, size, &str)) < 0) \ 2402 av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \ 2405 #define SET_UID_METADATA(pb, name, var, str) do { \ 2406 avio_read(pb, var, 16); \ 2407 if ((ret = mxf_uid_to_str(var, &str)) < 0) \ 2409 av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \ 2412 #define SET_TS_METADATA(pb, name, var, str) do { \ 2413 var = avio_rb64(pb); \ 2414 if ((ret = avpriv_dict_set_timestamp(&s->metadata, name, mxf_timestamp_to_int64(var)) < 0)) \ 2469 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x05,0x01,0x00 },
mxf_read_primer_pack },
2470 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 },
mxf_read_partition_pack },
2471 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x02,0x00 },
mxf_read_partition_pack },
2472 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x03,0x00 },
mxf_read_partition_pack },
2473 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x04,0x00 },
mxf_read_partition_pack },
2474 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x01,0x00 },
mxf_read_partition_pack },
2475 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x02,0x00 },
mxf_read_partition_pack },
2476 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x03,0x00 },
mxf_read_partition_pack },
2477 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x04,0x00 },
mxf_read_partition_pack },
2478 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x02,0x00 },
mxf_read_partition_pack },
2479 { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x04,0x00 },
mxf_read_partition_pack },
2480 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x2f,0x00 },
mxf_read_preface_metadata },
2481 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x30,0x00 },
mxf_read_identification_metadata },
2482 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x18,0x00 },
mxf_read_content_storage, 0,
AnyType },
2483 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x37,0x00 },
mxf_read_package,
sizeof(
MXFPackage),
SourcePackage },
2484 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x36,0x00 },
mxf_read_package,
sizeof(
MXFPackage),
MaterialPackage },
2485 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0f,0x00 },
mxf_read_sequence,
sizeof(
MXFSequence),
Sequence },
2486 { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x05,0x00 },
mxf_read_essence_group,
sizeof(
MXFEssenceGroup),
EssenceGroup},
2487 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x11,0x00 },
mxf_read_source_clip,
sizeof(
MXFStructuralComponent),
SourceClip },
2488 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3f,0x00 },
mxf_read_tagged_value,
sizeof(
MXFTaggedValue),
TaggedValue },
2489 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x44,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
MultipleDescriptor },
2490 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x42,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2491 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x28,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2492 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x29,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2493 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2494 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2495 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2496 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2497 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5e,0x00 },
mxf_read_generic_descriptor,
sizeof(
MXFDescriptor),
Descriptor },
2498 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3A,0x00 },
mxf_read_track,
sizeof(
MXFTrack),
Track },
2499 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3B,0x00 },
mxf_read_track,
sizeof(
MXFTrack),
Track },
2500 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x14,0x00 },
mxf_read_timecode_component,
sizeof(
MXFTimecodeComponent),
TimecodeComponent },
2501 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0c,0x00 },
mxf_read_pulldown_component,
sizeof(
MXFPulldownComponent),
PulldownComponent },
2502 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x04,0x01,0x02,0x02,0x00,0x00 },
mxf_read_cryptographic_context,
sizeof(
MXFCryptoContext),
CryptoContext },
2503 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 },
mxf_read_index_table_segment,
sizeof(
MXFIndexTableSegment),
IndexTableSegment },
2504 { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x23,0x00 },
mxf_read_essence_container_data,
sizeof(
MXFEssenceContainerData),
EssenceContainerData },
2505 { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
NULL, 0, AnyType },
2547 if (local_tag == tag) {
2554 if (ctx_size && tag == 0x3C0A) {
2556 }
else if ((ret = read_child(ctx, pb, tag, size, uid, -1)) < 0) {
2570 "local tag %#04x extends past end of local set @ %#"PRIx64
"\n",
2591 key[13] >= 2 && key[13] <= 4;
2603 if (klv.
key[5] == 0x53) {
2633 int64_t current_partition_ofs;
2664 if (klv.
offset >= current_partition_ofs) {
2666 PRIx64
" indirectly points to itself\n", current_partition_ofs);
2706 "failed to seek to FooterPartition @ 0x%" PRIx64
2707 " (%"PRId64
") - partial file?\n",
2755 "partition %i: bad ThisPartition = %"PRIX64
"\n",
2765 int64_t ret = (position /
kag_size) * kag_size;
2766 return ret == position ? ret : ret +
kag_size;
2831 int essence_partition_count = 0;
2855 essence_partition_count++;
2859 if (essence_partition_count != 1)
2862 if (!(segment =
av_mallocz(
sizeof(*segment))))
2884 int64_t file_size, max_rip_length, min_rip_length;
2900 max_rip_length = ((file_size - mxf->
run_in) / 105) * 12 + 28;
2901 max_rip_length =
FFMIN(max_rip_length, INT_MAX);
2904 min_rip_length = 16+1+24+4;
2910 if (length < min_rip_length || length > max_rip_length)
2915 klv.
length != length - 20)
2981 int64_t op1a_essence_offset =
3002 if (!essence_offset)
3003 essence_offset = klv.
offset;
3018 for (metadata = mxf_metadata_read_table; metadata->
read; metadata++) {
3025 if (!metadata->
read) {
3032 if (!essence_offset) {
3052 av_log(mxf->
fc,
AV_LOG_INFO,
"got %i index tables - only the first one (IndexSID %i) will be used\n",
3094 if (offset < current_offset)
3111 int64_t last_ofs = -1, next_ofs = -1;
3124 if (next_ofs <= last_ofs) {
3128 "next_ofs didn't change. not deriving packet timestamps\n");
3132 if (next_ofs > current_offset)
3135 last_ofs = next_ofs;
3147 uint64_t *sample_count)
3149 int i, total = 0, size = 0;
3156 if ((sample_rate.
num / sample_rate.
den) == 48000)
3159 int remainder = (sample_rate.
num * time_base.
num) %
3160 (time_base.
den * sample_rate.
den);
3162 av_mul_q(sample_rate, time_base)));
3165 "seeking detected on stream #%d with time base (%d/%d) and " 3166 "sample rate (%d/%d), audio pts won't be accurate.\n",
3167 stream_index, time_base.
num, time_base.
den,
3168 sample_rate.
num, sample_rate.
den);
3193 if (!bits_per_sample)
3199 || bits_per_sample <= 0
3200 || par->
channels * (int64_t)bits_per_sample < 8)
3254 int64_t next_ofs, next_klv;
3259 "error getting stream index %"PRIu32
"\n",
3272 if (next_ofs >= 0 && next_klv > next_ofs) {
3276 "OPAtom misinterpreted as OP1a? " 3277 "KLV for edit unit %"PRId64
" extending into " 3284 if (klv.
key[12] == 0x06 && klv.
key[13] == 0x01 && klv.
key[14] == 0x10) {
3318 int64_t ret64, pos, next_pos;
3354 if ((size = next_pos - pos) <= 0) {
3359 if ((ret64 =
avio_seek(s->
pb, pos, SEEK_SET)) < 0)
3418 for (; bufp <
end;) {
3419 if (!((bufp[13] - 1) & 0xF2)){
3456 if (sample_time < 0)
3474 source_track = new_source_track;
3485 sample_time =
FFMAX(sample_time, 0);
3494 sample_time < t->ptses[0] &&
3496 sample_time = t->
ptses[0];
3502 sample_time += t->
offsets[sample_time];
3522 int64_t track_edit_unit;
3528 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)
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 find_body_sid_by_offset(MXFContext *mxf, int64_t offset)
static int mxf_read_essence_container_data(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
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[]
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
#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)
static int mxf_get_stream_index(AVFormatContext *s, KLVPacket *klv, int body_sid)
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 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
static const uint8_t mxf_system_item_key_cp[]
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[]
static int mxf_get_next_track_edit_unit(MXFContext *mxf, MXFTrack *track, int64_t current_offset, int64_t *edit_unit_out)
#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)
static MXFPackage * mxf_resolve_source_package(MXFContext *mxf, UID package_ul, UID package_uid)
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 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 const uint8_t mxf_system_item_key_gc[]
static MXFIndexTable * mxf_find_index_table(MXFContext *mxf, int index_sid)
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)
int64_t current_edit_unit
#define AV_LOG_INFO
Standard information.
UID * essence_container_data_refs
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)
unsigned partitions_count
This structure contains the data a format has to probe a file.
int essence_container_data_count
#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
Codec parameters associated with this stream.
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
void * av_mallocz_array(size_t nmemb, size_t size)
Allocate a memory block for an array with av_mallocz().
int64_t header_byte_count