yaze::zelda3::music::BrrCodec Class Reference

BRR sample encoder/decoder. More...

#include <spc_parser.h>

Static Public Member Functions
static std::vector< int16_t >	Decode (const std::vector< uint8_t > &brr_data, int *loop_start=nullptr)
	Decode BRR data to PCM samples.
static std::vector< uint8_t >	Encode (const std::vector< int16_t > &pcm_data, int loop_start=-1)
	Encode PCM samples to BRR format.

Static Private Attributes
static constexpr int	kFilter1 [4] = {0, 15, 61, 115}
static constexpr int	kFilter2 [4] = {0, 4, 5, 6}
static constexpr int	kFilter3 [4] = {0, 0, 15, 13}

Detailed Description

BRR sample encoder/decoder.

Handles conversion between PCM audio and the SNES BRR format.

Definition at line 247 of file spc_parser.h.

Member Function Documentation

Decode()

std::vector< int16_t > yaze::zelda3::music::BrrCodec::Decode ( const std::vector< uint8_t > & brr_data, int * loop_start = nullptr )

static

Decode BRR data to PCM samples.

Parameters

brr_data	The BRR-encoded data.
loop_start	Receives the loop start point.

Returns

Decoded 16-bit PCM samples.

Definition at line 420 of file spc_parser.cc.

References kFilter1, kFilter2, and kFilter3.

Referenced by yaze::zelda3::music::MusicBank::LoadSamples().

Encode()

std::vector< uint8_t > yaze::zelda3::music::BrrCodec::Encode ( const std::vector< int16_t > & pcm_data, int loop_start = -1 )

static

Encode PCM samples to BRR format.

Parameters

pcm_data	The source PCM samples.
loop_start	Loop start point (-1 for no loop).

Returns

BRR-encoded data.

Definition at line 489 of file spc_parser.cc.

References kFilter1, kFilter2, and kFilter3.

Member Data Documentation

kFilter1

constexpr int yaze::zelda3::music::BrrCodec::kFilter1[4] = {0, 15, 61, 115}

staticconstexprprivate

Definition at line 269 of file spc_parser.h.

Referenced by Decode(), and Encode().

kFilter2

constexpr int yaze::zelda3::music::BrrCodec::kFilter2[4] = {0, 4, 5, 6}

staticconstexprprivate

Definition at line 270 of file spc_parser.h.

Referenced by Decode(), and Encode().

kFilter3

constexpr int yaze::zelda3::music::BrrCodec::kFilter3[4] = {0, 0, 15, 13}

staticconstexprprivate

Definition at line 271 of file spc_parser.h.

Referenced by Decode(), and Encode().

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The documentation for this class was generated from the following files:

• src/zelda3/music/spc_parser.h
• src/zelda3/music/spc_parser.cc