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Merge pull request #4721 from lioncash/genfn 

codec: Make lookup table static constexpr
master
bunnei 2020-09-29 15:16:24 +07:00 committed by GitHub
parent 2a82f1b08b 90c6141164
commit 09609dd50e
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 7 additions and 5 deletions
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5
src/audio_core/codec.cpp
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@ -16,8 +16,9 @@ std::vector<s16> DecodeADPCM(const u8* const data, std::size_t size, const ADPCM
constexpr std::size_t FRAME_LEN = 8;
constexpr std::size_t SAMPLES_PER_FRAME = 14;
constexpr std::array<int, 16> SIGNED_NIBBLES = {
{0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1}};
static constexpr std::array<int, 16> SIGNED_NIBBLES{
0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1,
};
const std::size_t sample_count = (size / FRAME_LEN) * SAMPLES_PER_FRAME;
const std::size_t ret_size =

2
src/audio_core/codec.h
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@ -38,7 +38,7 @@ using ADPCM_Coeff = std::array<s16, 16>;
* @param state ADPCM state, this is updated with new state
* @return Decoded stereo signed PCM16 data, sample_count in length
*/
std::vector<s16> DecodeADPCM(const u8* const data, std::size_t size, const ADPCM_Coeff& coeff,
std::vector<s16> DecodeADPCM(const u8* data, std::size_t size, const ADPCM_Coeff& coeff,
ADPCMState& state);
}; // namespace AudioCore::Codec

5
src/audio_core/command_generator.cpp
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@ -727,8 +727,9 @@ s32 CommandGenerator::DecodeAdpcm(ServerVoiceInfo& voice_info, VoiceState& dsp_s
return 0;
}
constexpr std::array<int, 16> SIGNED_NIBBLES = {
{0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1}};
static constexpr std::array<int, 16> SIGNED_NIBBLES{
0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1,
};
constexpr std::size_t FRAME_LEN = 8;
constexpr std::size_t NIBBLES_PER_SAMPLE = 16;