nsresult Output(BufferInfo::Param aInfo, void* aBuffer,
MediaFormat::Param aFormat, const TimeUnit& aDuration)
{
// The output on Android is always 16-bit signed
nsresult rv;
int32_t numChannels;
NS_ENSURE_SUCCESS(rv =
aFormat->GetInteger(NS_LITERAL_STRING("channel-count"), &numChannels), rv);
AudioConfig::ChannelLayout layout(numChannels);
if (!layout.IsValid()) {
return NS_ERROR_FAILURE;
}
int32_t sampleRate;
NS_ENSURE_SUCCESS(rv =
aFormat->GetInteger(NS_LITERAL_STRING("sample-rate"), &sampleRate), rv);
int32_t size;
NS_ENSURE_SUCCESS(rv = aInfo->Size(&size), rv);
int32_t offset;
NS_ENSURE_SUCCESS(rv = aInfo->Offset(&offset), rv);
#ifdef MOZ_SAMPLE_TYPE_S16
const int32_t numSamples = size / 2;
#else
#error We only support 16-bit integer PCM
#endif
const int32_t numFrames = numSamples / numChannels;
AlignedAudioBuffer audio(numSamples);
if (!audio) {
return NS_ERROR_OUT_OF_MEMORY;
}
const uint8_t* bufferStart = static_cast<uint8_t*>(aBuffer) + offset;
PodCopy(audio.get(), reinterpret_cast<const AudioDataValue*>(bufferStart),
numSamples);
int64_t presentationTimeUs;
NS_ENSURE_SUCCESS(rv = aInfo->PresentationTimeUs(&presentationTimeUs), rv);
RefPtr<AudioData> data = new AudioData(0, presentationTimeUs,
aDuration.ToMicroseconds(),
numFrames,
Move(audio),
numChannels,
sampleRate);
INVOKE_CALLBACK(Output, data);
return NS_OK;
}
AudioDataDecoder(const AudioInfo& aConfig, MediaFormat::Param aFormat, MediaDataDecoderCallback* aCallback)
: MediaCodecDataDecoder(MediaData::Type::AUDIO_DATA, aConfig.mMimeType, aFormat, aCallback)
{
JNIEnv* env = GetJNIForThread();
jni::Object::LocalRef buffer(env);
NS_ENSURE_SUCCESS_VOID(aFormat->GetByteBuffer(NS_LITERAL_STRING("csd-0"), &buffer));
if (!buffer && aConfig.mCodecSpecificConfig->Length() >= 2) {
buffer = jni::Object::LocalRef::Adopt(env, env->NewDirectByteBuffer(aConfig.mCodecSpecificConfig->Elements(),
aConfig.mCodecSpecificConfig->Length()));
NS_ENSURE_SUCCESS_VOID(aFormat->SetByteBuffer(NS_LITERAL_STRING("csd-0"), buffer));
}
}
AudioDataDecoder(const AudioInfo& aConfig, MediaFormat::Param aFormat,
MediaDataDecoderCallback* aCallback,
const nsString& aDrmStubId)
: MediaCodecDataDecoder(MediaData::Type::AUDIO_DATA, aConfig.mMimeType,
aFormat, aCallback, aDrmStubId)
{
JNIEnv* const env = jni::GetEnvForThread();
jni::ByteBuffer::LocalRef buffer(env);
NS_ENSURE_SUCCESS_VOID(aFormat->GetByteBuffer(NS_LITERAL_STRING("csd-0"),
&buffer));
if (!buffer && aConfig.mCodecSpecificConfig->Length() >= 2) {
buffer = jni::ByteBuffer::New(
aConfig.mCodecSpecificConfig->Elements(),
aConfig.mCodecSpecificConfig->Length());
NS_ENSURE_SUCCESS_VOID(aFormat->SetByteBuffer(NS_LITERAL_STRING("csd-0"),
buffer));
}
}
nsresult Output(BufferInfo::Param aInfo, void* aBuffer,
MediaFormat::Param aFormat,
const media::TimeUnit& aDuration) {
// The output on Android is always 16-bit signed
nsresult rv;
int32_t numChannels;
NS_ENSURE_SUCCESS(rv =
aFormat->GetInteger(NS_LITERAL_STRING("channel-count"), &numChannels), rv);
int32_t sampleRate;
NS_ENSURE_SUCCESS(rv =
aFormat->GetInteger(NS_LITERAL_STRING("sample-rate"), &sampleRate), rv);
int32_t size;
NS_ENSURE_SUCCESS(rv = aInfo->Size(&size), rv);
const int32_t numFrames = (size / numChannels) / 2;
AudioDataValue* audio = new AudioDataValue[size];
PodCopy(audio, static_cast<AudioDataValue*>(aBuffer), size);
int32_t offset;
NS_ENSURE_SUCCESS(rv = aInfo->Offset(&offset), rv);
int64_t presentationTimeUs;
NS_ENSURE_SUCCESS(rv = aInfo->PresentationTimeUs(&presentationTimeUs), rv);
nsRefPtr<AudioData> data = new AudioData(offset, presentationTimeUs,
aDuration.ToMicroseconds(),
numFrames,
audio,
numChannels,
sampleRate);
ENVOKE_CALLBACK(Output, data);
return NS_OK;
}
