diff options
| -rw-r--r-- | tools/ts.c | 38 | ||||
| -rw-r--r-- | tools/ts.h | 7 |
2 files changed, 42 insertions, 3 deletions
@@ -4,7 +4,7 @@ * See the main source file 'xineliboutput.c' for copyright information and * how to reach the author. * - * $Id: ts.c,v 1.8 2009-06-29 15:47:00 phintuka Exp $ + * $Id: ts.c,v 1.9 2009-06-29 15:47:44 phintuka Exp $ * */ @@ -477,6 +477,40 @@ int ts_parse_pmt (pmt_data_t *pmt, uint program_no, const uint8_t *pkt) return 1; } +/* + * ts_get_pcr() + */ +int64_t ts_get_pcr(const uint8_t *pkt) +{ + if (!ts_ADAPT_FIELD_EXISTS(pkt)) { + return INT64_C(-1); + } + + if (ts_HAS_ERROR(pkt)) { + LOGMSG("ts_get_pcr: transport error"); + return INT64_C(-1); + } + + /* pcr flag ? */ + if (! (pkt[5] & 0x10)) + return INT64_C(-1); + + int64_t pcr; + uint epcr; + + pcr = ((int64_t) pkt[6]) << 25; + pcr += (int64_t) (pkt[7] << 17); + pcr += (int64_t) (pkt[8] << 9); + pcr += (int64_t) (pkt[9] << 1); + pcr += (int64_t) ((pkt[10] & 0x80) >> 7); + + epcr = ((pkt[10] & 0x1) << 8) | pkt[11]; + + LOGPCR("ts_get_pcr: PCR: %"PRId64", EPCR: %u", pcr, epcr); + return pcr; +} + + /* * ts_state_t @@ -486,7 +520,7 @@ struct ts_state_s { uint8_t pusi_seen; - uint8_t inside_pes; /* Scanning ES (PES start code seen and skippped) */ + uint8_t inside_pes; /* Scanning ES (PES start code seen and skipped) */ uint32_t buf_len; /* bytes queued */ uint32_t buf_size; /* buffer size */ @@ -4,7 +4,7 @@ * See the main source file 'xineliboutput.c' for copyright information and * how to reach the author. * - * $Id: ts.h,v 1.9 2009-02-16 16:21:10 phintuka Exp $ + * $Id: ts.h,v 1.10 2009-06-29 15:47:44 phintuka Exp $ * */ @@ -46,6 +46,10 @@ extern "C" { #define ts_GET_PAYLOAD(ts) ((ts) + ts_PAYLOAD_OFFSET(ts)) #define ts_PAYLOAD_SIZE(ts) (TS_SIZE - ts_PAYLOAD_OFFSET(ts)) +#define ts_ADAPT_FIELD_EXISTS(ts) ((ts)[3] & TS_ADAPT_FIELD_EXISTS) +#define ts_ADAPT_FIELD_LENGTH(ts) (ts_ADAPT_FIELD_EXISTS(ts) ? (ts)[4] : 0) + + #define DATA_IS_TS(data) ((data)[0] == TS_SYNC_BYTE) @@ -149,6 +153,7 @@ int64_t ts_get_pts(ts_state_t *ts, const uint8_t *data); int ts_get_picture_type(ts_state_t *ts, const uint8_t *data, int h264); int ts_get_video_size(ts_state_t *ts, const uint8_t *data, struct video_size_s *size, int h264); +int64_t ts_get_pcr(const uint8_t *data); #ifdef __cplusplus } /* extern "C" { */ |