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made SampleFormat not inherit from BaseMessage

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badaix 2016-01-24 13:52:46 +01:00
parent eed7f287fb
commit c4094a2175
18 changed files with 25 additions and 63 deletions
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31
message/sampleFormat.h
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@ -20,10 +20,7 @@
#define SAMPLE_FORMAT_H
#include <string>
#include "message.h"
namespace msg
{
/**
* sample and frame as defined in alsa:
@ -36,7 +33,7 @@ namespace msg
* To sustain 2x 44.1 KHz analog rate - the system must be capable of data transfer rate, in Bytes/sec:
* Bps_rate = (num_channels) * (1 sample in bytes) * (analog_rate) = (1 frame) * (analog_rate) = ( 2 channels ) * (2 bytes/sample) * (44100 samples/sec) = 2*2*44100 = 176400 Bytes/sec (link to formula img)
*/
class SampleFormat : public BaseMessage
class SampleFormat
{
public:
SampleFormat();
@ -72,34 +69,8 @@ public:
{
return (double)rate/1000000000.;
}
virtual void read(std::istream& stream)
{
stream.read(reinterpret_cast<char *>(&rate), sizeof(uint32_t));
stream.read(reinterpret_cast<char *>(&bits), sizeof(uint16_t));
stream.read(reinterpret_cast<char *>(&channels), sizeof(uint16_t));
stream.read(reinterpret_cast<char *>(&sampleSize), sizeof(uint16_t));
stream.read(reinterpret_cast<char *>(&frameSize), sizeof(uint16_t));
}
virtual uint32_t getSize() const
{
return sizeof(int32_t) + 4*sizeof(int16_t);
}
protected:
virtual void doserialize(std::ostream& stream) const
{
stream.write(reinterpret_cast<const char *>(&rate), sizeof(uint32_t));
stream.write(reinterpret_cast<const char *>(&bits), sizeof(uint16_t));
stream.write(reinterpret_cast<const char *>(&channels), sizeof(uint16_t));
stream.write(reinterpret_cast<const char *>(&sampleSize), sizeof(uint16_t));
stream.write(reinterpret_cast<const char *>(&frameSize), sizeof(uint16_t));
}
};
}
#endif