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Improved RTSP output, added support for RTSP input

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This commit is contained in:
Thulinma 2016-09-02 14:35:26 +02:00
parent 5c8ebdc5ec
commit 3465f2b587
5 changed files with 866 additions and 288 deletions
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56
lib/adts.h
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@ -1,4 +1,5 @@
#include <string>
#include "bitstream.h"
namespace aac {
class adts {
@ -26,4 +27,59 @@ namespace aac {
char * data;
unsigned long len;
};
class AudSpecConf{
public:
static inline uint32_t rate(const std::string & conf){
Utils::bitstream bs;
bs.append(conf.data(), conf.size());
if (bs.get(5) == 31){bs.skip(6);}//skip object type
switch (bs.get(4)){//frequency index
case 0: return 96000;
case 1: return 88200;
case 2: return 64000;
case 3: return 48000;
case 4: return 44100;
case 5: return 32000;
case 6: return 24000;
case 7: return 22050;
case 8: return 16000;
case 9: return 12000;
case 10: return 11025;
case 11: return 8000;
case 12: return 7350;
case 15: return bs.get(24);
default: return 0;
}
}
static inline uint16_t channels(const std::string & conf){
Utils::bitstream bs;
bs.append(conf.data(), conf.size());
if (bs.get(5) == 31){bs.skip(6);}//skip object type
if (bs.get(4) == 15){bs.skip(24);}//frequency index
return bs.get(4);//channel configuration
}
static inline uint8_t objtype(const std::string & conf){
Utils::bitstream bs;
bs.append(conf.data(), conf.size());
uint8_t ot = bs.get(5);
if (ot == 31){return bs.get(6)+32;}
return ot;
}
static inline uint16_t samples(const std::string & conf){
Utils::bitstream bs;
bs.append(conf.data(), conf.size());
if (bs.get(5) == 31){bs.skip(6);}//skip object type
if (bs.get(4) == 15){bs.skip(24);}//frequency index
bs.skip(4);//channel configuration
if (bs.get(1)){
return 960;
}else{
return 1024;
}
}
};
}