TextDiff::TextDiff(const boost::filesystem::path &a, const boost::filesystem::path &b) {
LinesReader aReader(a);
LinesReader bReader(b);
boost::optional<std::string> aLine;
boost::optional<std::string> bLine;
while (aLine = aReader.readLine(), bLine = bReader.readLine(), aLine || bLine) {
if (aLine != bLine) {
equal = false;
return;
}
}
equal = true;
}
RefPtr<MediaDataDecoder::DecodePromise>
WaveDataDecoder::ProcessDecode(MediaRawData* aSample)
{
size_t aLength = aSample->Size();
BufferReader aReader(aSample->Data(), aLength);
int64_t aOffset = aSample->mOffset;
int32_t frames = aLength * 8 / mInfo.mBitDepth / mInfo.mChannels;
AlignedAudioBuffer buffer(frames * mInfo.mChannels);
if (!buffer) {
return DecodePromise::CreateAndReject(
MediaResult(NS_ERROR_OUT_OF_MEMORY, __func__), __func__);
}
for (int i = 0; i < frames; ++i) {
for (unsigned int j = 0; j < mInfo.mChannels; ++j) {
if (mInfo.mProfile == 6) { //ALAW Data
auto res = aReader.ReadU8();
if (res.isErr()) {
return DecodePromise::CreateAndReject(
MediaResult(res.unwrapErr(), __func__), __func__);
}
int16_t decoded = DecodeALawSample(res.unwrap());
buffer[i * mInfo.mChannels + j] =
IntegerToAudioSample<AudioDataValue>(decoded);
} else if (mInfo.mProfile == 7) { //ULAW Data
auto res = aReader.ReadU8();
if (res.isErr()) {
return DecodePromise::CreateAndReject(
MediaResult(res.unwrapErr(), __func__), __func__);
}
int16_t decoded = DecodeULawSample(res.unwrap());
buffer[i * mInfo.mChannels + j] =
IntegerToAudioSample<AudioDataValue>(decoded);
} else { //PCM Data
if (mInfo.mBitDepth == 8) {
auto res = aReader.ReadU8();
if (res.isErr()) {
return DecodePromise::CreateAndReject(
MediaResult(res.unwrapErr(), __func__), __func__);
}
buffer[i * mInfo.mChannels + j] =
UInt8bitToAudioSample<AudioDataValue>(res.unwrap());
} else if (mInfo.mBitDepth == 16) {
auto res = aReader.ReadLE16();
if (res.isErr()) {
return DecodePromise::CreateAndReject(
MediaResult(res.unwrapErr(), __func__), __func__);
}
buffer[i * mInfo.mChannels + j] =
IntegerToAudioSample<AudioDataValue>(res.unwrap());
} else if (mInfo.mBitDepth == 24) {
auto res = aReader.ReadLE24();
if (res.isErr()) {
return DecodePromise::CreateAndReject(
MediaResult(res.unwrapErr(), __func__), __func__);
}
buffer[i * mInfo.mChannels + j] =
Int24bitToAudioSample<AudioDataValue>(res.unwrap());
}
}
}
}
auto duration = FramesToTimeUnit(frames, mInfo.mRate);
return DecodePromise::CreateAndResolve(
DecodedData{ new AudioData(aOffset, aSample->mTime, duration, frames,
Move(buffer), mInfo.mChannels, mInfo.mRate) },
__func__);
}
