71 #define MAX_ODML_DEPTH 1000
75 {
'R',
'I',
'F',
'F',
'A',
'V',
'I',
' ' },
76 {
'R',
'I',
'F',
'F',
'A',
'V',
'I',
'X' },
77 {
'R',
'I',
'F',
'F',
'A',
'V',
'I', 0x19},
78 {
'O',
'N',
'2',
' ',
'O',
'N',
'2',
'f' },
79 {
'R',
'I',
'F',
'F',
'A',
'M',
'V',
' ' },
91 #define print_tag(str, tag, size) \
92 av_dlog(NULL, "%s: tag=%c%c%c%c size=0x%x\n", \
126 if(header[7] == 0x19)
127 av_log(s,
AV_LOG_INFO,
"This file has been generated by a totally broken muxer.\n");
136 int index_sub_type =
avio_r8(pb);
141 int stream_id= 10*((chunk_id&0xFF) -
'0') + (((chunk_id>>8)&0xFF) -
'0');
145 int64_t last_pos= -1;
148 av_dlog(s,
"longs_pre_entry:%d index_type:%d entries_in_use:%d chunk_id:%X base:%16"PRIX64
"\n",
149 longs_pre_entry,index_type, entries_in_use, chunk_id, base);
151 if(stream_id >= s->
nb_streams || stream_id < 0)
161 if(index_type && longs_pre_entry != 2)
166 if(filesize > 0 && base >= filesize){
168 if(base>>32 == (base & 0xFFFFFFFF) && (base & 0xFFFFFFFF) < filesize && filesize <= 0xFFFFFFFF)
174 for(i=0; i<entries_in_use; i++){
181 av_dlog(s,
"pos:%"PRId64
", len:%X\n", pos, len);
186 if(last_pos == pos || pos == base - 8)
232 int64_t pos,
size, ts;
237 while(max < 1024) max+=max;
243 for(j=0; j<
size; j+=max){
252 char key[5] = {0}, *value;
256 if (size == UINT_MAX)
270 static const char months[12][4] = {
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
271 "Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec" };
275 char month[4], time[9],
buffer[64];
278 if (sscanf(date,
"%*3s%*[ ]%3s%*[ ]%2d%*[ ]%8s%*[ ]%4d",
279 month, &day, time, &year) == 4) {
282 snprintf(buffer,
sizeof(buffer),
"%.4d-%.2d-%.2d %s",
283 year, i+1, day, time);
286 }
else if (date[4] ==
'/' && date[7] ==
'/') {
287 date[4] = date[7] =
'-';
298 case MKTAG(
'n',
'c',
't',
'g'): {
306 FFMIN(size,
sizeof(buffer)-1));
308 case 0x03: name =
"maker";
break;
309 case 0x04: name =
"model";
break;
310 case 0x13: name =
"creation_time";
311 if (buffer[4] ==
':' && buffer[7] ==
':')
312 buffer[4] = buffer[7] =
'-';
332 unsigned int tag, tag1, handler;
338 int avih_width=0, avih_height=0;
339 int amv_file_format=0;
340 uint64_t list_end = 0;
365 case MKTAG(
'L',
'I',
'S',
'T'):
372 if (tag1 ==
MKTAG(
'm',
'o',
'v',
'i')) {
379 else if (tag1 ==
MKTAG(
'I',
'N',
'F',
'O'))
381 else if (tag1 ==
MKTAG(
'n',
'c',
'd',
't'))
385 case MKTAG(
'I',
'D',
'I',
'T'): {
386 unsigned char date[64] = {0};
393 case MKTAG(
'd',
'm',
'l',
'h'):
397 case MKTAG(
'a',
'm',
'v',
'h'):
399 case MKTAG(
'a',
'v',
'i',
'h'):
415 case MKTAG(
's',
't',
'r',
'h'):
421 if(tag1 ==
MKTAG(
'p',
'a',
'd',
's')){
430 st->
id = stream_index;
437 tag1 = stream_index ?
MKTAG(
'a',
'u',
'd',
's') : MKTAG(
'v',
'i',
'd',
's');
441 if(tag1 == MKTAG(
'i',
'a',
'v',
's') || tag1 == MKTAG(
'i',
'v',
'a',
's')){
451 if (handler != MKTAG(
'd',
'v',
's',
'd') &&
452 handler != MKTAG(
'd',
'v',
'h',
'd') &&
453 handler != MKTAG(
'd',
'v',
's',
'l'))
475 if (ast->
scale > 0 && ast->
rate > 0 && dv_dur > 0) {
489 assert(stream_index < s->nb_streams);
499 av_log(s,
AV_LOG_WARNING,
"scale/rate is %u/%u which is invalid. (This file has been generated by broken software.)\n", ast->
scale, ast->
rate);
502 ast->
scale = frame_period;
518 av_dlog(s,
"%"PRIu32
" %"PRIu32
" %d\n",
522 case MKTAG(
'v',
'i',
'd',
's'):
527 case MKTAG(
'a',
'u',
'd',
's'):
530 case MKTAG(
't',
'x',
't',
's'):
533 case MKTAG(
'd',
'a',
't',
's'):
545 case MKTAG(
's',
't',
'r',
'f'):
551 if (cur_pos < list_end)
552 size =
FFMIN(size, list_end - cur_pos);
566 if (tag1 == MKTAG(
'D',
'X',
'S',
'B') || tag1 == MKTAG(
'D',
'X',
'S',
'A')) {
573 if(size > 10*4 && size<(1<<30)){
596 for (i = 0; i < pal_size/4; i++)
599 memcpy(ast->
pal, pal_src, pal_size);
611 if(tag1 == MKTAG(
'A',
'V',
'R',
'n') &&
651 if (amv_file_format){
669 case MKTAG(
'i',
'n',
'd',
'x'):
677 case MKTAG(
'v',
'p',
'r',
'p'):
678 if(stream_index < (
unsigned)s->
nb_streams && size > 9*4){
694 if(active_aspect.
num && active_aspect.
den && active.
num && active.
den){
696 av_dlog(s,
"vprp %d/%d %d/%d\n",
697 active_aspect.
num, active_aspect.
den,
704 case MKTAG(
's',
't',
'r',
'n'):
712 "I will ignore it and try to continue anyway.\n");
763 if (pkt->
size >= 7 &&
803 memset(pkt, 0,
sizeof(*pkt));
815 int64_t ts, next_ts, ts_min = INT64_MAX;
827 if (ts <= next_ts && ts < ts_min) {
845 if( d[0] >=
'0' && d[0] <=
'9'
846 && d[1] >=
'0' && d[1] <=
'9'){
847 return (d[0] -
'0') * 10 + (d[1] -
'0');
863 memset(d, -1,
sizeof(d));
871 size= d[4] + (d[5]<<8) + (d[6]<<16) + (d[7]<<24);
874 av_dlog(s,
"%X %X %X %X %X %X %X %X %"PRId64
" %u %d\n",
875 d[0], d[1], d[2], d[3], d[4], d[5], d[6], d[7], i, size, n);
876 if(i + (uint64_t)size > avi->
fsize || d[0] > 127)
880 if( (d[0] ==
'i' && d[1] ==
'x' && n < s->nb_streams)
882 ||(d[0] ==
'J' && d[1] ==
'U' && d[2] ==
'N' && d[3] ==
'K')
883 ||(d[0] ==
'i' && d[1] ==
'd' && d[2] ==
'x' && d[3] ==
'1')){
889 if(d[0] ==
'L' && d[1] ==
'I' && d[2] ==
'S' && d[3] ==
'T'){
900 if(d[2] ==
'i' && d[3] ==
'x' && n < s->nb_streams){
906 if(n < s->nb_streams){
916 if( d[2] ==
'w' && d[3] ==
'b'
920 && ast->
prefix ==
'd'*256+
'c'
944 if (d[2] ==
'p' && d[3] ==
'c' && size<=4*256+4) {
946 int last = (k +
avio_r8(pb) - 1) & 0xFF;
950 for (; k <= last; k++)
954 }
else if( ((ast->
prefix_count<5 || sync+9 > i) && d[2]<128 && d[3]<128) ||
955 d[2]*256+d[3] == ast->
prefix
961 if(d[2]*256+d[3] == ast->
prefix)
964 ast->
prefix= d[2]*256+d[3];
1002 int best_stream_index = 0;
1005 int64_t best_ts= INT64_MAX;
1023 av_dlog(s,
"%"PRId64
" %d/%d %"PRId64
"\n", ts,
1024 st->time_base.num, st->time_base.den, ast->frame_offset);
1028 best_stream_index= i;
1036 if(best_ast->remaining)
1041 best_ast->frame_offset= best_st->index_entries[i].timestamp;
1045 int64_t pos= best_st->index_entries[i].pos;
1046 pos += best_ast->packet_size - best_ast->remaining;
1049 assert(best_ast->remaining <= best_ast->packet_size);
1052 if(!best_ast->remaining)
1053 best_ast->packet_size=
1054 best_ast->remaining= best_st->index_entries[i].size;
1059 if(avi->stream_index >= 0){
1060 AVStream *st= s->streams[ avi->stream_index ];
1082 if(ast->
has_pal && pkt->data && pkt->size<(
unsigned)INT_MAX/2){
1086 av_log(s, AV_LOG_ERROR,
"Failed to allocate data for palette\n");
1088 memcpy(pal, ast->
pal, AVPALETTE_SIZE);
1094 dstr = pkt->destruct;
1096 pkt->data, pkt->size);
1097 pkt->destruct = dstr;
1104 avi->stream_index = -1;
1113 av_dlog(s,
"dts:%"PRId64
" offset:%"PRId64
" %d/%d smpl_siz:%d base:%d st:%d size:%d\n",
1115 ast->
sample_size, AV_TIME_BASE, avi->stream_index, size);
1116 pkt->stream_index = avi->stream_index;
1127 if (e->
flags & AVINDEX_KEYFRAME)
1137 avi->stream_index= -1;
1155 int nb_index_entries, i;
1159 unsigned last_pos= -1;
1160 int64_t idx1_pos, first_packet_pos = 0, data_offset = 0;
1162 nb_index_entries = size / 16;
1163 if (nb_index_entries <= 0)
1175 for(i = 0; i < nb_index_entries; i++) {
1180 av_dlog(s,
"%d: tag=0x%x flags=0x%x pos=0x%x len=%d/",
1181 i, tag, flags, pos, len);
1183 index = ((tag & 0xff) -
'0') * 10;
1184 index += ((tag >> 8) & 0xff) -
'0';
1190 if(first_packet && first_packet_pos && len) {
1191 data_offset = first_packet_pos - pos;
1215 int64_t min_pos, pos;
1221 for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1LU) {
1222 int64_t max_dts = INT64_MIN / 2;
1223 int64_t min_dts = INT64_MAX / 2;
1224 int64_t max_buffer = 0;
1226 min_pos = INT64_MAX;
1239 min_dts =
FFMIN(min_dts, dts);
1247 if (idx[i] && min_dts != INT64_MAX / 2) {
1252 max_dts =
FFMAX(max_dts, dts);
1253 max_buffer =
FFMAX(max_buffer,
1260 max_buffer > 1024 * 1024 * 8 * 8) {
1271 int64_t last_start=0;
1272 int64_t first_end= INT64_MAX;
1288 last_start= INT64_MAX;
1298 if (last_start > first_end)
1320 av_dlog(s,
"tag=%c%c%c%c size=0x%x\n",
1327 if (tag ==
MKTAG(
'i',
'd',
'x',
'1') &&
1372 st = s->
streams[stream_index];
1382 av_dlog(s,
"XX %"PRId64
" %d %"PRId64
"\n",
1430 av_dlog(s,
"%"PRId64
" %d %"PRId64
"\n",