32 #define PCR_TIME_BASE 27000000
81 #define MPEGTS_FLAG_REEMIT_PAT_PMT 0x01
82 #define MPEGTS_FLAG_AAC_LATM 0x02
87 #define DEFAULT_PES_HEADER_FREQ 16
88 #define DEFAULT_PES_PAYLOAD_SIZE ((DEFAULT_PES_HEADER_FREQ - 1) * 184 + 170)
91 {
"mpegts_transport_stream_id",
"Set transport_stream_id field.",
93 {
"mpegts_original_network_id",
"Set original_network_id field.",
95 {
"mpegts_service_id",
"Set service_id field.",
97 {
"mpegts_pmt_start_pid",
"Set the first pid of the PMT.",
99 {
"mpegts_start_pid",
"Set the first pid.",
102 {
"pes_payload_size",
"Minimum PES packet payload in bytes",
106 {
"resend_headers",
"Reemit PAT/PMT before writing the next packet",
109 {
"latm",
"Use LATM packetization for AAC",
113 {
"resend_headers",
"Reemit PAT/PMT before writing the next packet",
130 const unsigned char *buf_ptr;
132 int first,
b, len1, left;
135 buf[len - 4] = (crc >> 24) & 0xff;
136 buf[len - 3] = (crc >> 16) & 0xff;
137 buf[len - 2] = (crc >> 8) & 0xff;
138 buf[len - 1] = (crc) & 0xff;
143 first = (buf == buf_ptr);
151 s->
cc = (s->
cc + 1) & 0xf;
158 memcpy(q, buf_ptr, len1);
163 memset(q, 0xff, left);
182 int version,
int sec_num,
int last_sec_num,
186 unsigned int tot_len;
190 tot_len = 3 + 5 + len + 4;
197 put16(&q, flags | (len + 5 + 4));
199 *q++ = 0xc1 | (version << 1);
211 #define DEFAULT_PROVIDER_NAME "Libav"
212 #define DEFAULT_SERVICE_NAME "Service01"
215 #define SDT_RETRANS_TIME 500
216 #define PAT_RETRANS_TIME 100
217 #define PCR_RETRANS_TIME 20
252 uint8_t data[1012], *q, *desc_length_ptr, *program_info_length_ptr;
253 int val, stream_type, i;
258 program_info_length_ptr = q;
263 val = 0xf000 | (q - program_info_length_ptr - 2);
264 program_info_length_ptr[0] = val >> 8;
265 program_info_length_ptr[1] = val;
312 char *next = lang->
value;
319 for (p = lang->
value; next && *len_ptr < 255 / 4 * 4; p = next + 1) {
320 next = strchr(p,
',');
321 if (strlen(p) != 3 && (!next || next != p + 3))
346 const char *language;
347 language = lang && strlen(lang->
value)==3 ? lang->
value :
"eng";
375 val = 0xf000 | (q - desc_length_ptr - 2);
376 desc_length_ptr[0] = val >> 8;
377 desc_length_ptr[1] = val;
404 uint8_t data[1012], *q, *desc_list_len_ptr, *desc_len_ptr;
405 int i, running_status, free_ca_mode, val;
414 desc_list_len_ptr = q;
426 desc_len_ptr[0] = q - desc_len_ptr - 1;
429 val = (running_status << 13) | (free_ca_mode << 12) |
430 (q - desc_list_len_ptr - 2);
431 desc_list_len_ptr[0] = val >> 8;
432 desc_list_len_ptr[1] = val;
471 const char *service_name;
494 service->
pmt.
cc = 15;
530 }
else if (st->
id < 0x1FFF) {
542 for (j = 0; j < i; j++)
543 if (pids[j] == ts_st->
pid) {
548 pids[i] = ts_st->
pid;
631 "sdt every %d, pat/pmt every %d pkts\n",
684 int64_t pcr_low = pcr % 300, pcr_high = pcr / 300;
686 *buf++ = pcr_high >> 25;
687 *buf++ = pcr_high >> 17;
688 *buf++ = pcr_high >> 9;
689 *buf++ = pcr_high >> 1;
690 *buf++ = pcr_high << 7 | pcr_low >> 8 | 0x7e;
721 *q++ = ts_st->
pid >> 8;
723 *q++ = 0x20 | ts_st->
cc;
740 val = fourbits << 4 | (((pts >> 30) & 0x07) << 1) | 1;
742 val = (((pts >> 15) & 0x7fff) << 1) | 1;
745 val = (((pts) & 0x7fff) << 1) | 1;
756 if ((pkt[3] & 0x20) == 0) {
770 assert(pkt[3] & 0x20);
778 return pkt + 5 + pkt[4];
789 const uint8_t *payload,
int payload_size,
790 int64_t pts, int64_t dts,
int key)
796 int val, is_start,
len, header_len, write_pcr, private_code,
flags;
797 int afc_len, stuffing_len;
802 while (payload_size > 0) {
817 (dts -
get_pcr(ts, s->
pb)/300) > delay) {
829 val = (ts_st->
pid >> 8);
834 ts_st->
cc = (ts_st->
cc + 1) & 0xf;
835 *q++ = 0x10 | ts_st->
cc;
850 pcr = (dts - delay)*300;
857 int pes_extension = 0;
902 len = payload_size + header_len + 3;
903 if (private_code != 0)
934 if (private_code != 0)
939 header_len = q - buf;
942 if (len > payload_size)
945 if (stuffing_len > 0) {
949 afc_len = buf[4] + 1;
950 memmove(buf + 4 + afc_len + stuffing_len,
952 header_len - (4 + afc_len));
953 buf[4] += stuffing_len;
954 memset(buf + 4 + afc_len, 0xff, stuffing_len);
957 memmove(buf + 4 + stuffing_len, buf + 4, header_len - 4);
959 buf[4] = stuffing_len - 1;
960 if (stuffing_len >= 2) {
962 memset(buf + 6, 0xff, stuffing_len - 2);
986 av_log(s,
AV_LOG_WARNING,
"resend_headers option is deprecated, use -mpegts_flags resend_headers\n");
998 pts = pkt->
pts + delay;
1000 dts = pkt->
dts + delay;
1010 uint32_t
state = -1;
1014 "no startcode found, use -bsf h264_mp4toannexb\n");
1020 av_dlog(s,
"nal %d\n", state & 0x1f);
1021 }
while (p < buf_end && (state & 0x1f) != 9 &&
1022 (state & 0x1f) != 5 && (state & 0x1f) != 1);
1024 if ((state & 0x1f) != 9) {
1028 memcpy(data+6, pkt->
data, pkt->
size);
1036 if (pkt->
size < 2) {
1046 "and extradata missing\n");
1166 .mime_type =
"video/x-mpegts",
1167 .extensions =
"ts,m2t",
1175 .priv_class = &mpegts_muxer_class,