mirror of
https://github.com/DigitalDevices/dddvb.git
synced 2025-03-01 10:35:23 +00:00
make copying to/from CA device more robust, add TDT callback
This commit is contained in:
rjkm
parent
62b0b57c5d
commit
4197d9a59e
38
lib/ddzap.c
38
lib/ddzap.c
@ -14,8 +14,7 @@
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#include <math.h>
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#include <time.h>
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#include <inttypes.h>
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#include "dvb_filter.h"
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#include <errno.h>
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char line_start[16] = "";
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char line_end[16] = "\r";
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@ -304,7 +303,7 @@ static uint32_t root2gold(uint32_t root)
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return 0xffffffff;
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}
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ssize_t rread(int fd, void *buf, size_t count)
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ssize_t rread(int fd, uint8_t *buf, size_t count)
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{
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size_t len, todo=count;
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@ -328,35 +327,48 @@ static void decode(struct dddvb *dd, int fd)
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uint8_t ts[188];
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struct dvbf_pid pidf[16];
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int pmt;
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ssize_t len;
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ssize_t len, len2;
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uint32_t count = 0;
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for (pmt = 0; pmt < numpmt; pmt++) {
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dvbf_init_pid(&pidf[pmt], pmt_pid[pmt]);
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do {
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len=rread(fd,ts,188);
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if (len < 0) {
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if (len != 188) {
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dprintf(2, "Error reading stream\n");
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exit(-1);
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}
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write(fileno(stdout),ts,188);
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if (ts[0] != 0x47)
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dprintf(2, "Alignment error ts\n");
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//write(fileno(stdout),ts,188);
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}
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while (proc_pidf(&pidf[pmt], ts)<=0);
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dprintf(2, "PMT %u of %u\n", pmt, numpmt);
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dump(stderr, pidf[pmt].buf, pidf[pmt].len);
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//dump(stderr, pidf[pmt].buf, pidf[pmt].len);
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pmts[pmt]=pidf[pmt].buf;
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}
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//sleep(10);
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while (dddvb_ca_set_pmts(dd, ci, pmts) < 0)
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sleep(1);
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while (1) {
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rread(fd, buf, sizeof(buf));
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len = rread(fd, buf, sizeof(buf));
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if (len < 0) {
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dprintf(2, "Error reading stream\n");
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dprintf(2, "Error reading stream %d\n", errno);
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exit(-1);
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}
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dddvb_ca_write(dd, ci, buf, sizeof(buf));
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dddvb_ca_read(dd, ci, buf, sizeof(buf));
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write(fileno(stdout),buf, sizeof(buf));
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if (buf[0] != 0x47) {
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rread(fd, buf, 1);
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continue;
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}
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len2 = dddvb_ca_write(dd, ci, buf, len);
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if (len2 != len)
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dprintf(2, "Written less to CI %d\n", len);
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len = dddvb_ca_read(dd, ci, buf, len2);
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if (len < 0)
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continue;
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len2 = write(fileno(stdout), buf, len);
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if (len2 != len)
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dprintf(2, "Written less to output %d\n", len);
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}
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}
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201
lib/dvb_filter.h
201
lib/dvb_filter.h
@ -1,201 +0,0 @@
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static inline uint16_t seclen(const uint8_t *buf)
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{
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return 3+((buf[1]&0x0f)<<8)+buf[2];
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}
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static inline uint16_t tspid(const uint8_t *buf)
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{
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return ((buf[1]&0x1f)<<8)+buf[2];
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}
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static inline int tspayload(const uint8_t *tsp)
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{
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if (!(tsp[3] & 0x10))
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return 0;
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if (tsp[3] & 0x20)
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return (tsp[4] > 183) ? 0 : (183 - tsp[4]);
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return 184;
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}
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static inline int tspaystart(const uint8_t *tsp)
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{
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if (!(tsp[3]&0x10))
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return 188;
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if (tsp[3]&0x20)
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return (tsp[4] >= 184) ? 188 : tsp[4]+5;
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return 4;
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}
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static uint32_t dvb_crc_table[256] = {
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0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
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0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
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0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
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0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
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0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,
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0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
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0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef,
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0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
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0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
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0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
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0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
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0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
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0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4,
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0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
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0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
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0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
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0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc,
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0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
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0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050,
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0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
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0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
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0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
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0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1,
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0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
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0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5,
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0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
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0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
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0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
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0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd,
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0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
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0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
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0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
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0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
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0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
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0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e,
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0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
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0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a,
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0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
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0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
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0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
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0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
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0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
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0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4};
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uint32_t dvb_crc32(uint8_t *data, int len)
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{
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int i;
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uint32_t crc=0xffffffff;
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for (i = 0; i < len; i++)
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crc = (crc << 8) ^ dvb_crc_table[((crc >> 24) ^ *data++) & 0xff];
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return crc;
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}
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struct dvbf_pid {
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uint16_t pid;
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uint8_t cc;
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uint16_t bufp;
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uint16_t len;
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uint8_t buf[4096];
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};
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static inline void pidf_reset(struct dvbf_pid *pidf)
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{
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pidf->bufp = pidf->len = 0;
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}
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void dvbf_init_pid(struct dvbf_pid *pidf, uint16_t pid)
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{
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pidf->pid = pid;
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pidf->cc = 0xff;
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pidf_reset(pidf);
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}
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static inline void write_secbuf(struct dvbf_pid *p, uint8_t *tsp, int n)
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{
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memcpy(p->buf+p->bufp, tsp, n);
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p->bufp += n;
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}
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static inline int validcc(struct dvbf_pid *p, uint8_t *tsp)
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{
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uint8_t newcc;
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int valid;
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newcc = tsp[3] & 0x0f;
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if (p->cc == 0xff)
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valid=1;
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else
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valid = (((p->cc + 1) & 0x0f) == newcc) ? 1 : 0;
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p->cc = newcc;
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if (!valid)
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pidf_reset(p);
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return valid;
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}
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void dump(FILE *fp, uint8_t *b, int l)
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{
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int i, j;
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for (j = 0; j < l; j += 16, b += 16) {
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for (i = 0; i < 16; i++)
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if (i + j < l)
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fprintf(fp, "%02x ", b[i]);
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else
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fprintf(fp, " ");
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fprintf(fp, " | ");
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for (i = 0; i < 16; i++)
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if (i + j < l)
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fprintf(fp, "%c", (b[i] > 31 && b[i] < 127) ? b[i] : '.');
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fprintf(fp, "\n");
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}
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}
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static void pidf_section(struct dvbf_pid *p)
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{
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dump(stderr, p->buf, p->len);
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}
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static int proc_pidf(struct dvbf_pid *p, uint8_t *tsp)
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{
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int pusoff, todo, off;
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if (tspid(tsp) != p->pid)
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return 0;
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if (!(tsp[3] & 0x10)) //no payload
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return 0;
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todo = (tsp[3] & 0x20) ? // AF?
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((tsp[4] > 183) ? 0 : (183 - tsp[4])) :
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184;
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if (!todo)
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return 0;
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off = 188 - todo;
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pusoff = (tsp[1] & 0x40) ? tsp[off++] : todo;
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if (pusoff + off > 188)
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goto error;
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if (validcc(p, tsp) && pusoff && p->bufp) {
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int rlen = pusoff;
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if (p->len) {
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if (p->bufp + rlen > p->len)
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rlen = p->len - p->bufp;
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} else
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if (p->bufp + rlen > 4096)
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rlen = 4096 - p->bufp;
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write_secbuf(p, tsp + off, rlen);
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if (!p->len && p->bufp >= 3 && (p->len = seclen(p->buf)) > 4096)
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pidf_reset(p);
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else
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return 1;//pidf_section(p);
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}
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off += pusoff;
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while ((todo = 188 - off) > 0 && tsp[off] != 0xff) {
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pidf_reset(p);
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if (todo < 3 || (p->len = seclen(tsp+off)) > todo) {
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if (p->len > 4096)
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goto error;
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write_secbuf(p, tsp+off, todo);
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off+=todo;
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} else {
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write_secbuf(p, tsp+off, p->len);
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off+=p->len;
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return 2;//pidf_section(p);
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}
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}
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return 0;
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error:
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pidf_reset(p);
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return -1;
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}
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70
lib/src/ca.c
70
lib/src/ca.c
@ -31,6 +31,23 @@
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#define MMI_STATE_ENQ 2
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#define MMI_STATE_MENU 3
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void dump(FILE *fp, uint8_t *b, int l)
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{
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int i, j;
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for (j = 0; j < l; j += 16, b += 16) {
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for (i = 0; i < 16; i++)
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if (i + j < l)
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fprintf(fp, "%02x ", b[i]);
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else
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fprintf(fp, " ");
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fprintf(fp, " | ");
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for (i = 0; i < 16; i++)
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if (i + j < l)
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fprintf(fp, "%c", (b[i] > 31 && b[i] < 127) ? b[i] : '.');
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fprintf(fp, "\n");
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}
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}
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int set_nonblock(int fd)
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{
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@ -166,24 +183,23 @@ static int handle_pmt(struct dvbca *ca, uint8_t *buf, int size)
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#endif
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#if 0
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static void handle_tdt(struct dddvb_ca *ca)
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{
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struct section *section;
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struct dvb_tdt_section *tdt;
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uint8_t sec[4096];
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uint8_t *sec=ca->dvbf_tdt.buf;
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time_t dvb_time;
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int len;
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int len=ca->dvbf_tdt.len;
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if (sec[0] != 0x70)
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return;
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dbgprintf(DEBUG_CA, "got tdt\n");
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//dump(stderr, sec,len);
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if (ca->stdcam == NULL)
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return;
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if (ca->stdcam->dvbtime == NULL)
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return;
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len = getsec(ca->input, 0x14, 0, 0x70, sec);
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if (len < 0)
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return;
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dbgprintf(DEBUG_CA, "got tdt\n");
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section = section_codec(sec, len);
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if (section == NULL)
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return;
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@ -196,7 +212,7 @@ static void handle_tdt(struct dddvb_ca *ca)
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if (ca->stdcam->dvbtime)
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ca->stdcam->dvbtime(ca->stdcam, dvb_time);
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}
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#endif
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static int handle_pmts(struct dddvb_ca *ca)
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{
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@ -253,24 +269,6 @@ static int handle_pmts(struct dddvb_ca *ca)
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return 0;
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}
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void dump(FILE *fp, uint8_t *b, int l)
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{
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int i, j;
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for (j = 0; j < l; j += 16, b += 16) {
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for (i = 0; i < 16; i++)
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if (i + j < l)
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fprintf(fp, "%02x ", b[i]);
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else
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fprintf(fp, " ");
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fprintf(fp, " | ");
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for (i = 0; i < 16; i++)
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if (i + j < l)
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fprintf(fp, "%c", (b[i] > 31 && b[i] < 127) ? b[i] : '.');
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fprintf(fp, "\n");
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}
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}
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static int set_pmts(struct dddvb_ca *ca, uint8_t **pmts)
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{
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int listmgmt = CA_LIST_MANAGEMENT_ONLY;
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@ -303,6 +301,8 @@ static int set_pmts(struct dddvb_ca *ca, uint8_t **pmts)
|
||||
dbgprintf(DEBUG_CA, "section_ext_decode failed\n");;
|
||||
continue;
|
||||
}
|
||||
//dump(stderr, (uint8_t *) section, len);
|
||||
//dump(stderr, (uint8_t *) section_ext, len);
|
||||
pmt = mpeg_pmt_section_codec(section_ext);
|
||||
//pmt = (struct mpeg_pmt_section *) section_ext;
|
||||
if (!pmt) {
|
||||
@ -310,7 +310,7 @@ static int set_pmts(struct dddvb_ca *ca, uint8_t **pmts)
|
||||
continue;
|
||||
}
|
||||
|
||||
dbgprintf(DEBUG_CA, "PMT = %p section=%p\n", pmt, section);
|
||||
//dbgprintf(DEBUG_CA, "PMT = %p section=%p\n", pmt, section);
|
||||
|
||||
ca->ca_pmt_version[i] = section_ext->version_number;
|
||||
if (ca->sentpmt) {
|
||||
@ -334,7 +334,7 @@ static int set_pmts(struct dddvb_ca *ca, uint8_t **pmts)
|
||||
dbgprintf(DEBUG_CA, "Failed to format PMT\n");
|
||||
return -1;
|
||||
}
|
||||
//dump(capmt, size);
|
||||
//dump(stderr, capmt, size);
|
||||
dbgprintf(DEBUG_CA, "set ca_pmt\n");
|
||||
if (en50221_app_ca_pmt(ca->stdcam->ca_resource, ca->stdcam->ca_session_number, capmt, size)) {
|
||||
dbgprintf(DEBUG_CA, "Failed to send PMT\n");
|
||||
@ -697,6 +697,7 @@ static int init_ca(struct dddvb *dd, int a, int f, int fd)
|
||||
|
||||
pthread_create(&ca->poll_pt, NULL, (void *) ci_poll, ca);
|
||||
pthread_create(&ca->pt, NULL, (void *) handle_ci, ca);
|
||||
dvbf_init_pid(&ca->dvbf_tdt, 0x14);
|
||||
|
||||
sprintf(fname, "/dev/dvb/adapter%d/ci%d", a, f);
|
||||
ca->ci_wfd = open(fname, O_WRONLY);
|
||||
@ -708,7 +709,16 @@ static int init_ca(struct dddvb *dd, int a, int f, int fd)
|
||||
int dddvb_ca_write(struct dddvb *dd, uint32_t nr, uint8_t *buf, uint32_t len)
|
||||
{
|
||||
struct dddvb_ca *ca = &dd->dvbca[nr];
|
||||
uint32_t i;
|
||||
|
||||
if (len%188)
|
||||
return -EINVAL;
|
||||
|
||||
for (i = 0; i < len; i+=188) {
|
||||
if (proc_pidf(&ca->dvbf_tdt, buf+i)>0)
|
||||
handle_tdt(ca);
|
||||
}
|
||||
|
||||
return write(ca->ci_wfd, buf, len);
|
||||
}
|
||||
|
||||
|
||||
133
lib/src/dvb_filter.h
Normal file
133
lib/src/dvb_filter.h
Normal file
@ -0,0 +1,133 @@
|
||||
static inline uint16_t seclen(const uint8_t *buf)
|
||||
{
|
||||
return 3+((buf[1]&0x0f)<<8)+buf[2];
|
||||
}
|
||||
|
||||
static inline uint16_t tspid(const uint8_t *buf)
|
||||
{
|
||||
return ((buf[1]&0x1f)<<8)+buf[2];
|
||||
}
|
||||
|
||||
static inline int tspayload(const uint8_t *tsp)
|
||||
{
|
||||
if (!(tsp[3] & 0x10))
|
||||
return 0;
|
||||
if (tsp[3] & 0x20)
|
||||
return (tsp[4] > 183) ? 0 : (183 - tsp[4]);
|
||||
return 184;
|
||||
}
|
||||
|
||||
static inline int tspaystart(const uint8_t *tsp)
|
||||
{
|
||||
if (!(tsp[3]&0x10))
|
||||
return 188;
|
||||
if (tsp[3]&0x20)
|
||||
return (tsp[4] >= 184) ? 188 : tsp[4]+5;
|
||||
return 4;
|
||||
}
|
||||
|
||||
|
||||
|
||||
struct dvbf_pid {
|
||||
uint16_t pid;
|
||||
uint8_t cc;
|
||||
uint16_t bufp;
|
||||
uint16_t len;
|
||||
uint8_t buf[4096];
|
||||
|
||||
int (*cb) (struct dvbf_pid *);
|
||||
void *cbd;
|
||||
};
|
||||
|
||||
static inline void pidf_reset(struct dvbf_pid *pidf)
|
||||
{
|
||||
pidf->bufp = pidf->len = 0;
|
||||
}
|
||||
|
||||
static inline void dvbf_init_pid(struct dvbf_pid *pidf, uint16_t pid)
|
||||
{
|
||||
pidf->pid = pid;
|
||||
pidf->cc = 0xff;
|
||||
pidf_reset(pidf);
|
||||
}
|
||||
|
||||
static inline void write_secbuf(struct dvbf_pid *p, uint8_t *tsp, int n)
|
||||
{
|
||||
memcpy(p->buf+p->bufp, tsp, n);
|
||||
p->bufp += n;
|
||||
}
|
||||
|
||||
static inline int validcc(struct dvbf_pid *p, uint8_t *tsp)
|
||||
{
|
||||
uint8_t newcc;
|
||||
int valid;
|
||||
|
||||
newcc = tsp[3] & 0x0f;
|
||||
if (p->cc == 0xff)
|
||||
valid=1;
|
||||
else
|
||||
valid = (((p->cc + 1) & 0x0f) == newcc) ? 1 : 0;
|
||||
p->cc = newcc;
|
||||
if (!valid)
|
||||
pidf_reset(p);
|
||||
return valid;
|
||||
}
|
||||
|
||||
static int proc_pidf(struct dvbf_pid *p, uint8_t *tsp)
|
||||
{
|
||||
int pusoff, todo, off;
|
||||
|
||||
if (tspid(tsp) != p->pid)
|
||||
return 0;
|
||||
if (!(tsp[3] & 0x10)) //no payload
|
||||
return 0;
|
||||
todo = (tsp[3] & 0x20) ? // AF?
|
||||
((tsp[4] > 183) ? 0 : (183 - tsp[4])) :
|
||||
184;
|
||||
if (!todo)
|
||||
return 0;
|
||||
off = 188 - todo;
|
||||
pusoff = (tsp[1] & 0x40) ? tsp[off++] : todo;
|
||||
if (pusoff + off > 188)
|
||||
goto error;
|
||||
if (validcc(p, tsp) && pusoff && p->bufp) {
|
||||
int rlen = pusoff;
|
||||
if (p->len) {
|
||||
if (p->bufp + rlen > p->len)
|
||||
rlen = p->len - p->bufp;
|
||||
} else
|
||||
if (p->bufp + rlen > 4096)
|
||||
rlen = 4096 - p->bufp;
|
||||
write_secbuf(p, tsp + off, rlen);
|
||||
if (!p->len && p->bufp >= 3 && (p->len = seclen(p->buf)) > 4096)
|
||||
pidf_reset(p);
|
||||
else {
|
||||
if (p->cb)
|
||||
p->cb(p);
|
||||
else
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
off += pusoff;
|
||||
while ((todo = 188 - off) > 0 && tsp[off] != 0xff) {
|
||||
pidf_reset(p);
|
||||
if (todo < 3 || (p->len = seclen(tsp+off)) > todo) {
|
||||
if (p->len > 4096)
|
||||
goto error;
|
||||
write_secbuf(p, tsp+off, todo);
|
||||
off+=todo;
|
||||
} else {
|
||||
write_secbuf(p, tsp+off, p->len);
|
||||
off+=p->len;
|
||||
if (p->cb)
|
||||
p->cb(p);
|
||||
else
|
||||
return 2;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
|
||||
error:
|
||||
pidf_reset(p);
|
||||
return -1;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user