29 #define CHECK_SUBSEQUENT_NSVS
35 #define NSV_MAX_RESYNC (500*1024)
36 #define NSV_MAX_RESYNC_TRIES 300
96 uint32_t info_strings_size;
97 uint32_t table_entries;
98 uint32_t table_entries_used;
111 struct nsv_avchunk_header {
112 uint8_t vchunk_size_lsb;
113 uint16_t vchunk_size_msb;
114 uint16_t achunk_size;
117 struct nsv_pcm_header {
118 uint8_t bits_per_sample;
119 uint8_t channel_count;
120 uint16_t sample_rate;
132 #define T_NSVF MKTAG('N', 'S', 'V', 'f')
133 #define T_NSVS MKTAG('N', 'S', 'V', 's')
134 #define T_TOC2 MKTAG('T', 'O', 'C', '2')
135 #define T_NONE MKTAG('N', 'O', 'N', 'E')
136 #define T_SUBT MKTAG('S', 'U', 'B', 'T')
137 #define T_ASYN MKTAG('A', 'S', 'Y', 'N')
138 #define T_KEYF MKTAG('K', 'E', 'Y', 'F')
140 #define TB_NSVF MKBETAG('N', 'S', 'V', 'f')
141 #define TB_NSVS MKBETAG('N', 'S', 'V', 's')
144 #define NSV_ST_VIDEO 0
145 #define NSV_ST_AUDIO 1
146 #define NSV_ST_SUBT 2
219 #define print_tag(str, tag, size) \
220 av_dlog(NULL, "%s: tag=%c%c%c%c\n", \
223 (tag >> 16) & 0xff, \
247 av_dlog(s,
"NSV resync: [%d] = %02x\n", i, v & 0x0FF);
250 if ((v & 0x0000ffff) == 0xefbe) {
251 av_dlog(s,
"NSV resynced on BEEF after %d bytes\n", i+1);
257 av_dlog(s,
"NSV resynced on NSVf after %d bytes\n", i+1);
261 if (v ==
MKBETAG(
'N',
'S',
'V',
's')) {
262 av_dlog(s,
"NSV resynced on NSVs after %d bytes\n", i+1);
281 int table_entries_used;
283 av_dlog(s,
"%s()\n", __FUNCTION__);
294 av_dlog(s,
"NSV NSVf chunk_size %u\n", size);
295 av_dlog(s,
"NSV NSVf file_size %u\n", file_size);
298 av_dlog(s,
"NSV NSVf duration %"PRId64
" ms\n", duration);
304 av_dlog(s,
"NSV NSVf info-strings size: %d, table entries: %d, bis %d\n",
305 strings_size, table_entries, table_entries_used);
311 if (strings_size > 0) {
317 p = strings =
av_mallocz((
size_t)strings_size + 1);
320 endp = strings + strings_size;
329 if (!p || p >= endp-2)
334 p = strchr(p, quote);
338 av_dlog(s,
"NSV NSVf INFO: %s='%s'\n", token, value);
348 if (table_entries_used > 0) {
351 if((
unsigned)table_entries_used >= UINT_MAX /
sizeof(uint32_t))
357 for(i=0;i<table_entries_used;i++)
360 if(table_entries > table_entries_used &&
365 for(i=0;i<table_entries_used;i++) {
373 #ifdef DEBUG_DUMP_INDEX
374 #define V(v) ((v<0x20 || v > 127)?'.':v)
376 av_dlog(s,
"NSV %d INDEX ENTRIES:\n", table_entries);
377 av_dlog(s,
"NSV [dataoffset][fileoffset]\n", table_entries);
378 for (i = 0; i < table_entries; i++) {
382 av_dlog(s,
"NSV [0x%08lx][0x%08lx]: %02x %02x %02x %02x %02x %02x %02x %02x"
383 "%c%c%c%c%c%c%c%c\n",
385 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
386 V(b[0]),
V(b[1]),
V(b[2]),
V(b[3]),
V(b[4]),
V(b[5]),
V(b[6]),
V(b[7]) );
405 uint16_t vwidth, vheight;
410 av_dlog(s,
"%s()\n", __FUNCTION__);
418 av_dlog(s,
"NSV NSVs framerate code %2x\n", i);
425 framerate.
num *= 1000;
426 framerate.
den *= 1001;
429 if((i&3)==3) framerate.
num *= 24;
430 else if((i&3)==2) framerate.
num *= 25;
431 else framerate.
num *= 30;
441 av_dlog(s,
"NSV NSVs vsize %dx%d\n", vwidth, vheight);
482 #ifndef DISABLE_AUDIO
504 #ifdef CHECK_SUBSEQUENT_NSVS
507 av_dlog(s,
"NSV NSVs header values differ from the first one!!!\n");
526 av_dlog(s,
"%s()\n", __FUNCTION__);
571 av_dlog(s,
"%s(%d)\n", __FUNCTION__, fill_header);
594 vsize = (vsize << 4) | (auxcount >> 4);
596 av_dlog(s,
"NSV CHUNK %d aux, %u bytes video, %d bytes audio\n", auxcount, vsize, asize);
598 for (i = 0; i < auxcount; i++) {
601 av_dlog(s,
"NSV aux data: '%c%c%c%c', %d bytes\n",
603 ((auxtag >> 8) & 0x0ff),
604 ((auxtag >> 16) & 0x0ff),
605 ((auxtag >> 24) & 0x0ff),
608 vsize -= auxsize +
sizeof(uint16_t) +
sizeof(uint32_t);
613 if (!vsize && !asize) {
615 goto null_chunk_retry;
631 for (i = 0; i <
FFMIN(8, vsize); i++)
632 av_dlog(s,
"NSV video: [%d] = %02x\n", i, pkt->
data[i]);
635 ((
NSVStream*)st[NSV_ST_VIDEO]->priv_data)->frame_offset++;
642 if (asize && st[NSV_ST_AUDIO]->codec->codec_tag ==
MKTAG(
'P',
'C',
'M',
' ')) {
650 av_dlog(s,
"NSV RAWAUDIO: bps %d, nchan %d, srate %d\n", bps, channels, samplerate);
654 av_dlog(s,
"NSV AUDIO bit/sample != 16 (%d)!!!\n", bps);
663 av_dlog(s,
"NSV RAWAUDIO: bps %d, nchan %d, srate %d\n", bps, channels, samplerate);
671 pkt->
dts = (((
NSVStream*)st[NSV_ST_VIDEO]->priv_data)->frame_offset-1);
689 av_dlog(s,
"%s()\n", __FUNCTION__);
698 for (i = 0; i < 2; i++) {
700 av_dlog(s,
"%s: using cached packet[%d]\n", __FUNCTION__, i);
761 int vsize, asize, auxcount;
766 if (p->
buf[0] ==
'N' && p->
buf[1] ==
'S' &&
767 p->
buf[2] ==
'V' && (p->
buf[3] ==
'f' || p->
buf[3] ==
's'))
773 for (i = 1; i < p->
buf_size - 3; i++) {
774 if (p->
buf[i+0] ==
'N' && p->
buf[i+1] ==
'S' &&
775 p->
buf[i+2] ==
'V' && p->
buf[i+3] ==
's') {
778 auxcount = p->
buf[i+19];
779 vsize = p->
buf[i+20] | p->
buf[i+21] << 8;
780 asize = p->
buf[i+22] | p->
buf[i+23] << 8;
781 vsize = (vsize << 4) | (auxcount >> 4);
782 if ((asize + vsize + i + 23) < p->
buf_size - 2) {
783 if (p->
buf[i+23+asize+vsize+1] == 0xEF &&
784 p->
buf[i+23+asize+vsize+2] == 0xBE)