diff options
Diffstat (limited to 'recording.c')
-rw-r--r-- | recording.c | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/recording.c b/recording.c index c86b1636..e33d20bc 100644 --- a/recording.c +++ b/recording.c @@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: recording.c 2.12 2009/04/13 13:50:39 kls Exp $ + * $Id: recording.c 2.13 2009/05/24 15:11:28 kls Exp $ */ #include "recording.h" @@ -20,6 +20,7 @@ #include "channels.h" #include "i18n.h" #include "interface.h" +#include "remux.h" #include "skins.h" #include "tools.h" #include "videodir.h" @@ -1629,6 +1630,57 @@ cFileName::~cFileName() free(fileName); } +bool cFileName::GetLastPatPmtVersions(int &PatVersion, int &PmtVersion) +{ + if (fileName && !isPesRecording) { + // Find the last recording file: + int Number = 1; + for (; Number <= MAXFILESPERRECORDINGTS + 1; Number++) { // +1 to correctly set Number in case there actually are that many files + sprintf(pFileNumber, RECORDFILESUFFIXTS, Number); + if (access(fileName, F_OK) != 0) { // file doesn't exist + Number--; + break; + } + } + for (; Number > 0; Number--) { + // Search for a PAT packet from the end of the file: + cPatPmtParser PatPmtParser; + sprintf(pFileNumber, RECORDFILESUFFIXTS, Number); + int fd = open(fileName, O_RDONLY | O_LARGEFILE, DEFFILEMODE); + if (fd >= 0) { + off_t pos = lseek(fd, -TS_SIZE, SEEK_END); + while (pos >= 0) { + // Read and parse the PAT/PMT: + uchar buf[TS_SIZE]; + while (read(fd, buf, sizeof(buf)) == sizeof(buf)) { + if (buf[0] == TS_SYNC_BYTE) { + int Pid = TsPid(buf); + if (Pid == 0) + PatPmtParser.ParsePat(buf, sizeof(buf)); + else if (Pid == PatPmtParser.PmtPid()) { + PatPmtParser.ParsePmt(buf, sizeof(buf)); + if (PatPmtParser.GetVersions(PatVersion, PmtVersion)) { + close(fd); + return true; + } + } + else + break; // PAT/PMT is always in one sequence + } + else + return false; + } + pos = lseek(fd, pos - TS_SIZE, SEEK_SET); + } + close(fd); + } + else + break; + } + } + return false; +} + cUnbufferedFile *cFileName::Open(void) { if (!file) { |