57 #if CONFIG_WAV_DEMUXER
66 static int64_t find_tag(
AVIOContext *pb, uint32_t tag1)
74 size = next_tag(pb, &tag);
87 if (!memcmp(p->
buf + 8,
"WAVE", 4)) {
88 if (!memcmp(p->
buf,
"RIFF", 4))
95 else if (!memcmp(p->
buf,
"RF64", 4) &&
96 !memcmp(p->
buf + 12,
"ds64", 4))
102 static void handle_stream_probing(
AVStream *st)
123 handle_stream_probing(*st);
132 static inline int wav_parse_bext_string(
AVFormatContext *s,
const char *key,
152 char temp[131], *coding_history;
154 uint64_t time_reference;
155 int64_t umid_parts[8], umid_mask = 0;
157 if ((ret = wav_parse_bext_string(s,
"description", 256)) < 0 ||
158 (ret = wav_parse_bext_string(s,
"originator", 32)) < 0 ||
159 (ret = wav_parse_bext_string(s,
"originator_reference", 32)) < 0 ||
160 (ret = wav_parse_bext_string(s,
"origination_date", 10)) < 0 ||
161 (ret = wav_parse_bext_string(s,
"origination_time", 8)) < 0)
165 snprintf(temp,
sizeof(temp),
"%"PRIu64, time_reference);
171 for (x = 0; x < 8; x++)
176 if (umid_parts[4] == 0 && umid_parts[5] == 0 && umid_parts[6] == 0 && umid_parts[7] == 0) {
178 snprintf(temp,
sizeof(temp),
"0x%016"PRIX64
"%016"PRIX64
"%016"PRIX64
"%016"PRIX64,
179 umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3]);
182 snprintf(temp,
sizeof(temp),
"0x%016"PRIX64
"%016"PRIX64
"%016"PRIX64
"%016"PRIX64
183 "%016"PRIX64
"%016"PRIX64
"%016"PRIX64
"%016"PRIX64,
184 umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3],
185 umid_parts[4], umid_parts[5], umid_parts[6], umid_parts[7]);
200 if (!(coding_history =
av_malloc(size+1)))
203 if ((ret =
avio_read(s->
pb, coding_history, size)) < 0)
206 coding_history[
size] = 0;
216 {
"description",
"comment" },
217 {
"originator",
"encoded_by" },
218 {
"origination_date",
"date" },
219 {
"origination_time",
"creation_time"},
227 int64_t sample_count=0;
233 int ret, got_fmt = 0;
234 int64_t next_tag_ofs, data_ofs = -1;
241 rf64 = tag ==
MKTAG(
'R',
'F',
'6',
'4');
242 if (!rf64 && tag !=
MKTAG(
'R',
'I',
'F',
'F'))
246 if (tag !=
MKTAG(
'W',
'A',
'V',
'E'))
258 if (data_size < 0 || sample_count < 0) {
260 "ds64: data_size = %"PRId64
", sample_count = %"PRId64
"\n",
261 data_size, sample_count);
270 size = next_tag(pb, &tag);
277 case MKTAG(
'f',
'm',
't',
' '):
279 if (!got_fmt && (ret = wav_parse_fmt_tag(s, size, &st)) < 0) {
286 case MKTAG(
'd',
'a',
't',
'a'):
296 next_tag_ofs = wav->
data_end = size ? next_tag_ofs : INT64_MAX;
304 if (!pb->
seekable || (!rf64 && !size))
307 case MKTAG(
'f',
'a',
'c',
't'):
311 case MKTAG(
'b',
'e',
'x',
't'):
312 if ((ret = wav_parse_bext_tag(s, size)) < 0)
315 case MKTAG(
'S',
'M',
'V',
'0'):
321 if (size !=
MKTAG(
'0',
'2',
'0',
'0')) {
345 case MKTAG(
'L',
'I',
'S',
'T'):
351 case MKTAG(
'I',
'N',
'F',
'O'):
359 avio_seek(pb, next_tag_ofs, SEEK_SET) < 0) {
395 if (!memcmp(guid, guid1, 16))
402 #define MAX_SIZE 4096
412 if (CONFIG_SPDIF_DEMUXER && wav->
spdif == 0 &&
424 if (CONFIG_SPDIF_DEMUXER && wav->
spdif == 1)
428 int64_t audio_dts, video_dts;
472 if (CONFIG_W64_DEMUXER && wav->
w64)
475 left = find_tag(s->
pb,
MKTAG(
'd',
'a',
't',
'a'));
487 if (size < st->codec->block_align)
491 size =
FFMIN(size, left);
501 int stream_index, int64_t timestamp,
int flags)
508 int64_t smv_timestamp = timestamp;
509 if (stream_index == 0)
530 #define OFFSET(x) offsetof(WAVDemuxContext, x)
531 #define DEC AV_OPT_FLAG_DECODING_PARAM
532 static const AVOption demux_options[] = {
537 static const AVClass wav_demuxer_class = {
540 .option = demux_options,
553 .priv_class = &wav_demuxer_class,
558 #if CONFIG_W64_DEMUXER
572 int64_t
size, data_ofs = 0;
583 if (
avio_rl64(pb) < 16 + 8 + 16 + 8 + 16 + 8)
602 if (size <= 24 || INT64_MAX - size <
avio_tell(pb))
628 int64_t start,
end, cur;
629 uint32_t count, chunk_size, i;
635 for (i = 0; i < count; i++) {
636 char chunk_key[5], *
value;
668 handle_stream_probing(st);