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A2B: Add A2B Tx streaming support

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A2B: Add A2BDecoder for streaming wave to A2B device
RADA2B: Add functions to configure settings
This commit is contained in:
Yasser Yassine
2023-03-08 18:22:14 +00:00
parent 539cfa511b
commit ddee1254a0
12 changed files with 1145 additions and 523 deletions
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communication/message/callback/streamoutput/a2bwavoutput.cpp
+17 -48
View File
@@ -1,23 +1,26 @@
#include "icsneo/communication/message/callback/streamoutput/a2bwavoutput.h"
#include "icsneo/device/tree/rada2b/rada2b.h"
#include "icsneo/icsneocpp.h"
namespace icsneo
{
namespace icsneo {
void A2BWAVOutput::writeHeader(const std::shared_ptr<A2BMessage>& firstMsg) const {
WaveFileHeader header = WaveFileHeader(2 * firstMsg->getNumChannels(), wavSampleRate, firstMsg->getBitDepth());
header.write(stream);
streamStartPos = static_cast<uint32_t>(stream->tellp());
}
bool A2BWAVOutput::callIfMatch(const std::shared_ptr<Message>& message) const {
if(closed)
{
if(closed) {
return false;
}
if(message->type != Message::Type::Frame)
if(message->type != Message::Type::Frame) {
return false;
}
const auto& frame = std::static_pointer_cast<Frame>(message);
@@ -31,23 +34,21 @@ bool A2BWAVOutput::callIfMatch(const std::shared_ptr<Message>& message) const {
firstMessageFlag = false;
}
if(!writeSamples(a2bmsg, A2BMessage::A2BDirection::DownStream)) {
close();
return false;
// Might need to readd this block of code later if sample alignment fix is necessary
/*
std::streamsize bps = (std::streamsize)a2bmsg->getBytesPerSample();
for(size_t i=0; i<a2bmsg->getNumSamples(); i++) {
A2BPCMSample samp = *(a2bmsg->getSample(i));
write((void*)&samp, bps);
}
*/
if(!writeSamples(a2bmsg, A2BMessage::A2BDirection::UpStream)) {
close();
return false;
}
write((void*)a2bmsg->getAudioBuffer(), a2bmsg->getAudioBufferSize());
return true;
}
void A2BWAVOutput::close() const
{
void A2BWAVOutput::close() const {
if(closed) {
return;
}
@@ -65,36 +66,4 @@ void A2BWAVOutput::close() const
closed = true;
}
bool A2BWAVOutput::writeSamples(const std::shared_ptr<A2BMessage>& msg, A2BMessage::A2BDirection dir) const
{
uint8_t numChannels = msg->getNumChannels();
uint8_t channel = 0;
uint32_t frame = 0;
uint8_t bitDepth = msg->getBitDepth();
while(true) {
auto sample = msg->getSample(dir, channel, frame);
if(!sample) {
if(channel == 0) {
break;
}
return false;
}
uint32_t audioSample = sample.value() >> (32 - bitDepth);
write((void*)(&audioSample), A2BPCM_SAMPLE_SIZE);
channel = (channel + 1) % numChannels;
if(channel == 0) {
frame++;
}
}
return true;
}
}