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Add a resampler to the FM network RAW data mode.

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This commit is contained in:
Jonathan Naylor
2023-10-18 11:34:38 +01:00
parent 77d38f37e0
commit e91f640e7e
12 changed files with 127 additions and 48 deletions
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15
FMNetwork.h
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@@ -22,6 +22,8 @@
#include "RingBuffer.h"
#include "UDPSocket.h"
#include <samplerate.h>
#include <cstdint>
#include <string>
@@ -32,18 +34,18 @@ enum FM_NETWORK_PROTOCOL {
class CFMNetwork {
public:
CFMNetwork(const std::string& callsign, const std::string& protocol, const std::string& localAddress, unsigned short localPort, const std::string& gatewayAddress, unsigned short gatewayPort, bool debug);
CFMNetwork(const std::string& callsign, const std::string& protocol, const std::string& localAddress, unsigned short localPort, const std::string& gatewayAddress, unsigned short gatewayPort, unsigned int sampleRate, bool debug);
~CFMNetwork();
bool open();
void enable(bool enabled);
bool writeData(float* data, unsigned int nSamples);
bool writeData(const float* data, unsigned int nSamples);
bool writeEnd();
unsigned int readData(float* data, unsigned int nSamples);
unsigned int readData(float* out, unsigned int nOut);
void reset();
@@ -57,15 +59,18 @@ private:
CUDPSocket m_socket;
sockaddr_storage m_addr;
unsigned int m_addrLen;
unsigned int m_sampleRate;
bool m_debug;
bool m_enabled;
CRingBuffer<unsigned char> m_buffer;
unsigned int m_seqNo;
SRC_STATE* m_resampler;
int m_error;
bool writeUSRPStart();
bool writeUSRPData(float* data, unsigned int nSamples);
bool writeRawData(float* data, unsigned int nSamples);
bool writeUSRPData(const float* data, unsigned int nSamples);
bool writeRawData(const float* in, unsigned int nIn);
bool writeUSRPEnd();
};