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decoder gets sample format from header

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badaix 2016-01-24 13:43:02 +01:00
parent 1d1ef239b2
commit eed7f287fb
10 changed files with 216 additions and 114 deletions
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25
server/encoder/pcmEncoder.cpp
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@ -19,6 +19,7 @@
#include <memory>
#include "pcmEncoder.h"
PcmEncoder::PcmEncoder(const std::string& codecOptions) : Encoder(codecOptions)
{
headerChunk_ = new msg::Header("pcm");
@ -34,6 +35,30 @@ void PcmEncoder::encode(const msg::PcmChunk* chunk)
void PcmEncoder::initEncoder()
{
//TODO: Endianess
headerChunk_->payloadSize = 44;
headerChunk_->payload = (char*)malloc(headerChunk_->payloadSize);
memcpy(headerChunk_->payload, "RIFF", 4);
uint32_t int32 = 36;
memcpy(headerChunk_->payload + 4, reinterpret_cast<const char *>(&int32), sizeof(uint32_t));
memcpy(headerChunk_->payload + 8, "WAVEfmt ", 8);
int32 = 16;
memcpy(headerChunk_->payload + 16, reinterpret_cast<const char *>(&int32), sizeof(uint32_t));
uint16_t int16 = 1;
memcpy(headerChunk_->payload + 20, reinterpret_cast<const char *>(&int16), sizeof(uint16_t));
int16 = sampleFormat_.channels;
memcpy(headerChunk_->payload + 22, reinterpret_cast<const char *>(&int16), sizeof(uint16_t));
int32 = sampleFormat_.rate;
memcpy(headerChunk_->payload + 24, reinterpret_cast<const char *>(&int32), sizeof(uint32_t));
int32 = sampleFormat_.rate * sampleFormat_.bits * sampleFormat_.channels / 8;
memcpy(headerChunk_->payload + 28, reinterpret_cast<const char *>(&int32), sizeof(uint32_t));
int16 = sampleFormat_.channels * ((sampleFormat_.bits + 7) / 8);
memcpy(headerChunk_->payload + 32, reinterpret_cast<const char *>(&int16), sizeof(uint16_t));
int16 = sampleFormat_.bits;
memcpy(headerChunk_->payload + 34, reinterpret_cast<const char *>(&int16), sizeof(uint16_t));
memcpy(headerChunk_->payload + 36, "data", 4);
int32 = 0;
memcpy(headerChunk_->payload + 40, reinterpret_cast<const char *>(&int32), sizeof(uint32_t));
}