33 #define PCR_TIME_BASE 27000000
82 #define DEFAULT_PES_HEADER_FREQ 16
83 #define DEFAULT_PES_PAYLOAD_SIZE ((DEFAULT_PES_HEADER_FREQ - 1) * 184 + 170)
86 {
"mpegts_transport_stream_id",
"Set transport_stream_id field.",
88 {
"mpegts_original_network_id",
"Set original_network_id field.",
90 {
"mpegts_service_id",
"Set service_id field.",
92 {
"mpegts_pmt_start_pid",
"Set the first pid of the PMT.",
94 {
"mpegts_start_pid",
"Set the first pid.",
97 {
"pes_payload_size",
"Minimum PES packet payload in bytes",
114 const unsigned char *buf_ptr;
116 int first,
b, len1, left;
119 buf[len - 4] = (crc >> 24) & 0xff;
120 buf[len - 3] = (crc >> 16) & 0xff;
121 buf[len - 2] = (crc >> 8) & 0xff;
122 buf[len - 1] = (crc) & 0xff;
127 first = (buf == buf_ptr);
135 s->
cc = (s->
cc + 1) & 0xf;
142 memcpy(q, buf_ptr, len1);
147 memset(q, 0xff, left);
156 static inline void put16(uint8_t **q_ptr,
int val)
166 int version,
int sec_num,
int last_sec_num,
167 uint8_t *buf,
int len)
169 uint8_t section[1024], *q;
170 unsigned int tot_len;
174 tot_len = 3 + 5 + len + 4;
181 put16(&q, flags | (len + 5 + 4));
183 *q++ = 0xc1 | (version << 1);
195 #define DEFAULT_PROVIDER_NAME "Libav"
196 #define DEFAULT_SERVICE_NAME "Service01"
199 #define SDT_RETRANS_TIME 500
200 #define PAT_RETRANS_TIME 100
201 #define PCR_RETRANS_TIME 20
220 uint8_t
data[1012], *q;
236 uint8_t
data[1012], *q, *desc_length_ptr, *program_info_length_ptr;
237 int val, stream_type, i;
242 program_info_length_ptr = q;
247 val = 0xf000 | (q - program_info_length_ptr - 2);
248 program_info_length_ptr[0] = val >> 8;
249 program_info_length_ptr[1] = val;
296 char *next = lang->
value;
303 for (p = lang->
value; next && *len_ptr < 255 / 4 * 4; p = next + 1) {
304 next = strchr(p,
',');
305 if (strlen(p) != 3 && (!next || next != p + 3))
330 const char *language;
331 language = lang && strlen(lang->
value)==3 ? lang->
value :
"eng";
359 val = 0xf000 | (q - desc_length_ptr - 2);
360 desc_length_ptr[0] = val >> 8;
361 desc_length_ptr[1] = val;
368 static void putstr8(uint8_t **q_ptr,
const char *str)
388 uint8_t
data[1012], *q, *desc_list_len_ptr, *desc_len_ptr;
389 int i, running_status, free_ca_mode, val;
398 desc_list_len_ptr = q;
410 desc_len_ptr[0] = q - desc_len_ptr - 1;
413 val = (running_status << 13) | (free_ca_mode << 12) |
414 (q - desc_list_len_ptr - 2);
415 desc_list_len_ptr[0] = val >> 8;
416 desc_list_len_ptr[1] = val;
455 const char *service_name;
474 service->
pmt.
cc = 15;
506 }
else if (st->
id < 0x1FFF) {
516 for (j = 0; j < i; j++)
517 if (pids[j] == ts_st->
pid) {
521 pids[i] = ts_st->
pid;
596 "sdt every %d, pat/pmt every %d pkts\n",
646 int64_t pcr_low = pcr % 300, pcr_high = pcr / 300;
648 *buf++ = pcr_high >> 25;
649 *buf++ = pcr_high >> 17;
650 *buf++ = pcr_high >> 9;
651 *buf++ = pcr_high >> 1;
652 *buf++ = pcr_high << 7 | pcr_low >> 8 | 0x7e;
683 *q++ = ts_st->
pid >> 8;
685 *q++ = 0x20 | ts_st->
cc;
698 static void write_pts(uint8_t *q,
int fourbits, int64_t pts)
702 val = fourbits << 4 | (((pts >> 30) & 0x07) << 1) | 1;
704 val = (((pts >> 15) & 0x7fff) << 1) | 1;
707 val = (((pts) & 0x7fff) << 1) | 1;
718 if ((pkt[3] & 0x20) == 0) {
732 assert(pkt[3] & 0x20);
740 return pkt + 5 + pkt[4];
751 const uint8_t *payload,
int payload_size,
752 int64_t pts, int64_t dts,
int key)
758 int val, is_start,
len, header_len, write_pcr, private_code,
flags;
759 int afc_len, stuffing_len;
764 while (payload_size > 0) {
779 (dts -
get_pcr(ts, s->
pb)/300) > delay) {
791 val = (ts_st->
pid >> 8);
796 ts_st->
cc = (ts_st->
cc + 1) & 0xf;
797 *q++ = 0x10 | ts_st->
cc;
812 pcr = (dts - delay)*300;
819 int pes_extension = 0;
864 len = payload_size + header_len + 3;
865 if (private_code != 0)
896 if (private_code != 0)
901 header_len = q - buf;
904 if (len > payload_size)
907 if (stuffing_len > 0) {
911 afc_len = buf[4] + 1;
912 memmove(buf + 4 + afc_len + stuffing_len,
914 header_len - (4 + afc_len));
915 buf[4] += stuffing_len;
916 memset(buf + 4 + afc_len, 0xff, stuffing_len);
919 memmove(buf + 4 + stuffing_len, buf + 4, header_len - 4);
921 buf[4] = stuffing_len - 1;
922 if (stuffing_len >= 2) {
924 memset(buf + 6, 0xff, stuffing_len - 2);
940 uint8_t *buf= pkt->
data;
948 pts = pkt->
pts + delay;
950 dts = pkt->
dts + delay;
959 const uint8_t *p = buf, *buf_end = p+
size;
964 "no startcode found, use -vbsf h264_mp4toannexb\n");
971 }
while (p < buf_end && (state & 0x1f) != 9 &&
972 (state & 0x1f) != 5 && (state & 0x1f) != 1);
974 if ((state & 0x1f) != 9) {
978 memcpy(data+6, pkt->
data, pkt->
size);
993 "and extradata missing\n");
997 if ((
unsigned)new_size >= INT_MAX)
1090 .mime_type =
"video/x-mpegts",
1091 .extensions =
"ts,m2t",
1098 .priv_class = &mpegts_muxer_class,