34 static const int mmf_rates[] = { 4000, 8000, 11025, 22050, 44100 };
38 if ((code < 0) || (code > 4))
44 static int mmf_rate_code(
int rate)
47 for (i = 0; i < 5; i++)
54 static void end_tag_be(
AVIOContext *pb, int64_t start)
89 avio_write(pb,
"VN:libavcodec,",
sizeof(
"VN:libavcodec,") -1);
97 avio_w8(pb, (0 << 7) | (1 << 4) | rate);
106 avio_write(pb,
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16);
125 static void put_varlength(
AVIOContext *pb,
int val)
145 end_tag_be(pb, mmf->
awapos);
146 end_tag_be(pb, mmf->
atrpos);
159 put_varlength(pb, gatetime);
162 put_varlength(pb, gatetime);
179 if (p->
buf[0] ==
'M' && p->
buf[1] ==
'M' &&
180 p->
buf[2] ==
'M' && p->
buf[3] ==
'D' &&
181 p->
buf[8] ==
'C' && p->
buf[9] ==
'N' &&
182 p->
buf[10] ==
'T' && p->
buf[11] ==
'I')
199 if (tag !=
MKTAG(
'M',
'M',
'M',
'D'))
207 if (tag ==
MKTAG(
'C',
'N',
'T',
'I'))
209 if (tag ==
MKTAG(
'O',
'P',
'D',
'A'))
215 if ((tag & 0xffffff) ==
MKTAG(
'M',
'T',
'R', 0)) {
219 if ((tag & 0xffffff) !=
MKTAG(
'A',
'T',
'R', 0)) {
240 if (tag ==
MKTAG(
'A',
't',
's',
'q'))
242 if (tag ==
MKTAG(
'A',
's',
'p',
'I'))
248 if ((tag & 0xffffff) !=
MKTAG(
'A',
'w',
'a', 0)) {
272 #define MAX_SIZE 4096
303 #if CONFIG_MMF_DEMUXER
319 .mime_type =
"application/vnd.smaf",