diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/codecs/wav.cpp | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/src/codecs/wav.cpp b/src/codecs/wav.cpp index 143a7a4b..714ec237 100644 --- a/src/codecs/wav.cpp +++ b/src/codecs/wav.cpp @@ -57,6 +57,20 @@ static int16_t convert_f32_to_16_bit(cpp::span<const std::byte> bytes) { return sample::FromDouble(*fval); } +static int16_t convert_f64_to_16_bit(cpp::span<const std::byte> bytes) { + uint64_t val = 0; + val = (uint8_t)bytes[7]; + val = (val << 8) | (uint8_t)bytes[6]; + val = (val << 8) | (uint8_t)bytes[5]; + val = (val << 8) | (uint8_t)bytes[4]; + val = (val << 8) | (uint8_t)bytes[3]; + val = (val << 8) | (uint8_t)bytes[2]; + val = (val << 8) | (uint8_t)bytes[1]; + val = (val << 8) | (uint8_t)bytes[0]; + double* fval = reinterpret_cast<double*>(&val); + return sample::FromDouble(*fval); +} + static int16_t convert_to_16_bit(cpp::span<const std::byte> bytes) { int depth = bytes.size(); int32_t val = 0; @@ -193,12 +207,6 @@ auto WavDecoder::OpenStream(std::shared_ptr<IStream> input,uint32_t offset) } } - // 64 bit float is not implemented yet, make sure we're not letting it through - if (GetFormat() == kWaveFormatIEEEFloat && bytes_per_sample_ == 8) { - ESP_LOGW(kTag, "WAVE 64-Bit Float not supported"); - return cpp::fail(Error::kUnsupportedFormat); - } - int64_t data_offset = offset * samples_per_second * bytes_per_sample_; // Seek track to start of data @@ -237,6 +245,9 @@ auto WavDecoder::DecodeTo(cpp::span<sample::Sample> output) if (bytes_per_sample_ == 4) { output[i] = convert_f32_to_16_bit(data); } + if (bytes_per_sample_ == 8) { + output[i] = convert_f64_to_16_bit(data); + } } } |