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Move WAV structs outside of writer.

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This commit is contained in:
Jared Boone 2016-10-04 10:04:38 -07:00
parent 1a2fd3e127
commit 43c4584a32
1 changed files with 49 additions and 49 deletions
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98
firmware/application/io_wave.hpp
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@ -29,6 +29,55 @@
#include <cstddef>
#include <cstdint>
struct fmt_pcm_t {
constexpr fmt_pcm_t(
const uint32_t sampling_rate
) : nSamplesPerSec { sampling_rate },
nAvgBytesPerSec { nSamplesPerSec * nBlockAlign }
{
}
private:
uint8_t ckID[4] { 'f', 'm', 't', ' ' };
uint32_t cksize { 16 };
uint16_t wFormatTag { 0x0001 };
uint16_t nChannels { 1 };
uint32_t nSamplesPerSec;
uint32_t nAvgBytesPerSec;
uint16_t nBlockAlign { 2 };
uint16_t wBitsPerSample { 16 };
};
struct data_t {
constexpr data_t(
const uint32_t size
) : cksize { size }
{
}
private:
uint8_t ckID[4] { 'd', 'a', 't', 'a' };
uint32_t cksize { 0 };
};
struct header_t {
constexpr header_t(
const uint32_t sampling_rate,
const uint32_t data_chunk_size
) : cksize { sizeof(header_t) + data_chunk_size - 8 },
fmt { sampling_rate },
data { data_chunk_size }
{
}
private:
uint8_t riff_id[4] { 'R', 'I', 'F', 'F' };
uint32_t cksize { 0 };
uint8_t wave_id[4] { 'W', 'A', 'V', 'E' };
fmt_pcm_t fmt;
data_t data;
};
class WAVFileWriter : public FileWriter {
public:
WAVFileWriter() = default;
@ -56,55 +105,6 @@ public:
}
private:
struct fmt_pcm_t {
constexpr fmt_pcm_t(
const uint32_t sampling_rate
) : nSamplesPerSec { sampling_rate },
nAvgBytesPerSec { nSamplesPerSec * nBlockAlign }
{
}
private:
uint8_t ckID[4] { 'f', 'm', 't', ' ' };
uint32_t cksize { 16 };
uint16_t wFormatTag { 0x0001 };
uint16_t nChannels { 1 };
uint32_t nSamplesPerSec;
uint32_t nAvgBytesPerSec;
uint16_t nBlockAlign { 2 };
uint16_t wBitsPerSample { 16 };
};
struct data_t {
constexpr data_t(
const uint32_t size
) : cksize { size }
{
}
private:
uint8_t ckID[4] { 'd', 'a', 't', 'a' };
uint32_t cksize { 0 };
};
struct header_t {
constexpr header_t(
const uint32_t sampling_rate,
const uint32_t data_chunk_size
) : cksize { sizeof(header_t) + data_chunk_size - 8 },
fmt { sampling_rate },
data { data_chunk_size }
{
}
private:
uint8_t riff_id[4] { 'R', 'I', 'F', 'F' };
uint32_t cksize { 0 };
uint8_t wave_id[4] { 'W', 'A', 'V', 'E' };
fmt_pcm_t fmt;
data_t data;
};
uint32_t sampling_rate;
uint32_t bytes_written;