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This commit is contained in:
Jef
2024-09-24 14:54:57 +02:00
parent 537bcbc862
commit 20d28e80a5
16810 changed files with 4640254 additions and 2 deletions
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47
Src/replicant/nsmp3/MPEGHeader.h Normal file
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#pragma once
#include "foundation/types.h"
class MPEGHeader
{
public:
void ReadBuffer(const uint8_t *buffer);
int GetNumChannels() const;
bool IsSync() const;
int GetBitrate() const;
int HeaderSize() const;
int GetSampleRate() const;
int FrameSize() const;
int GetLayer() const;
bool IsCRC() const;
bool IsCopyright() const;
bool IsOriginal() const;
int GetSamplesPerFrame() const;
enum
{
NotPadded=0,
Padded=1,
CRC = 0,
NoProtection = 1,
Stereo = 0,
JointStereo = 1,
DualChannel = 2,
Mono = 3,
MPEG1 = 3,
MPEG2 = 2,
MPEG_Error = 1,
MPEG2_5 = 0,
Layer1 = 3,
Layer2 = 2,
Layer3 = 1,
LayerError = 0,
Emphasis_None = 0,
Emphasis_50_15_ms = 1,
Emphasis_reserved = 2,
Emphasis_CCIT_J_17 = 3,
};
uint16_t sync;
uint8_t mpeg_version, layer, protection, bitrate_index;
uint8_t padding_bit, private_bit, channel_mode, mode_extension;
uint8_t sample_rate_index, copyright, original, emphasis;
};