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Working .wav live and VoD output, PCM A-law and MP3

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This commit is contained in:
Thulinma 2017-04-17 17:41:38 +02:00
parent b7d1d38fb4
commit dda3a24805
5 changed files with 164 additions and 0 deletions
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17
lib/riff.cpp
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@ -132,6 +132,18 @@ namespace RIFF{
}
}
}
std::string fmt::generate(uint16_t format, uint16_t channels, uint32_t hz, uint32_t bps, uint16_t blocksize, uint16_t size){
std::string ret("fmt \022\000\000\000", 8);
ret.append(std::string((size_t)18, '\000'));
Bit::htobs_le((char*)ret.data()+8, format);
Bit::htobs_le((char*)ret.data()+10, channels);
Bit::htobl_le((char*)ret.data()+12, hz);
Bit::htobl_le((char*)ret.data()+16, bps);
Bit::htobs_le((char*)ret.data()+20, blocksize);
Bit::htobs_le((char*)ret.data()+22, size);
Bit::htobs_le((char*)ret.data()+24, 0);
return ret;
}
uint32_t fact::getSamplesPerChannel() const{
if (!p){return 0;}
@ -143,6 +155,11 @@ namespace RIFF{
indent += 1;
o << std::string(indent, ' ') << "Samples per channel: " << getSamplesPerChannel() << std::endl;
}
std::string fact::generate(uint32_t samples){
std::string ret("fact\004\000\000\000\000\000\000\000", 12);
Bit::htobl_le((char*)ret.data()+8, samples);
return ret;
}
std::string ISFT::getSoftware() const{
if (!p){return 0;}