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Added stream status shared memory page (temporary system)

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This commit is contained in:
Thulinma 2017-06-22 14:03:35 +02:00
parent 76b5a91da6
commit 25699ef8b2
6 changed files with 27 additions and 0 deletions
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8
lib/defines.h
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@ -107,6 +107,14 @@ static inline void show_stackframe(){}
#define FLIP_MIN_DURATION 20000
#define SHM_STREAM_INDEX "MstSTRM%s" //%s stream name
#define SHM_STREAM_STATE "MstSTATE%s" //%s stream name
#define STRMSTAT_OFF 0
#define STRMSTAT_INIT 1
#define STRMSTAT_BOOT 2
#define STRMSTAT_WAIT 3
#define STRMSTAT_READY 4
#define STRMSTAT_SHUTDOWN 5
#define STRMSTAT_INVALID 255
#define SHM_TRACK_META "MstTRAK%s@%lu" //%s stream name, %lu track ID
#define SHM_TRACK_INDEX "MstTRID%s@%lu" //%s stream name, %lu track ID
#define SHM_TRACK_INDEX_SIZE 8192

8
lib/stream.cpp
View file

@ -299,3 +299,11 @@ bool Util::startInput(std::string streamname, std::string filename, bool forkFir
return streamAlive(streamname);
}
uint8_t Util::getStreamStatus(std::string & streamname){
char pageName[NAME_BUFFER_SIZE];
snprintf(pageName, NAME_BUFFER_SIZE, SHM_STREAM_STATE, streamname.c_str());
IPC::sharedPage streamStatus(pageName, 1, false, false);
if (!streamStatus){return STRMSTAT_OFF;}
return streamStatus.mapped[0];
}

1
lib/stream.h
View file

@ -12,5 +12,6 @@ namespace Util {
bool streamAlive(std::string & streamname);
bool startInput(std::string streamname, std::string filename = "", bool forkFirst = true, bool isProvider = false);
JSON::Value getStreamConfig(std::string streamname);
uint8_t getStreamStatus(std::string & streamname);
}