Add sample rate field to AAC decoder (#5195)

* Add sample rate field to AAC decoder

* Fix TODO comment

* Remove unneeded conversion
This commit is contained in:
xperia64 2020-04-21 21:34:50 -04:00 committed by GitHub
parent 8b43dff849
commit 38c3c9c74b
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6 changed files with 47 additions and 1 deletions

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@ -6,6 +6,32 @@
namespace AudioCore::HLE {
DecoderSampleRate GetSampleRateEnum(u32 sample_rate) {
switch (sample_rate) {
case 48000:
return DecoderSampleRate::Rate48000;
case 44100:
return DecoderSampleRate::Rate44100;
case 32000:
return DecoderSampleRate::Rate32000;
case 24000:
return DecoderSampleRate::Rate24000;
case 22050:
return DecoderSampleRate::Rate22050;
case 16000:
return DecoderSampleRate::Rate16000;
case 12000:
return DecoderSampleRate::Rate12000;
case 11025:
return DecoderSampleRate::Rate11025;
case 8000:
return DecoderSampleRate::Rate8000;
default:
LOG_WARNING(Audio_DSP, "Unknown decoder sample rate: {}", sample_rate);
return DecoderSampleRate::Rate48000;
}
}
DecoderBase::~DecoderBase(){};
NullDecoder::NullDecoder() = default;

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@ -24,6 +24,20 @@ enum class DecoderCodec : u16 {
AAC,
};
// TODO(xperia64): I'm guessing that this is a u32 (from when it was an unknown)
// but it could be a u16 or u8 I suppose
enum class DecoderSampleRate : u32 {
Rate48000 = 0,
Rate44100 = 1,
Rate32000 = 2,
Rate24000 = 3,
Rate22050 = 4,
Rate16000 = 5,
Rate12000 = 6,
Rate11025 = 7,
Rate8000 = 8
};
struct BinaryRequest {
enum_le<DecoderCodec> codec =
DecoderCodec::None; // this is a guess. until now only 0x1 was observed here
@ -43,7 +57,7 @@ struct BinaryResponse {
DecoderCodec::None; // this could be something else. until now only 0x1 was observed here
enum_le<DecoderCommand> cmd = DecoderCommand::Init;
u32_le unknown1 = 0;
u32_le unknown2 = 0;
enum_le<DecoderSampleRate> sample_rate;
u32_le num_channels = 0; // this is a guess, so far I only observed 2 here
u32_le size = 0;
u32_le unknown3 = 0;
@ -52,6 +66,8 @@ struct BinaryResponse {
};
static_assert(sizeof(BinaryResponse) == 32, "Unexpected struct size for BinaryResponse");
enum_le<DecoderSampleRate> GetSampleRateEnum(u32 sample_rate);
class DecoderBase {
public:
virtual ~DecoderBase();

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@ -175,6 +175,7 @@ std::optional<BinaryResponse> FDKDecoder::Impl::Decode(const BinaryRequest& requ
// get the stream information
stream_info = aacDecoder_GetStreamInfo(decoder);
// fill the stream information for binary response
response.sample_rate = GetSampleRateEnum(stream_info->sampleRate);
response.num_channels = stream_info->aacNumChannels;
response.num_samples = stream_info->frameSize;
// fill the output

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@ -211,6 +211,7 @@ std::optional<BinaryResponse> FFMPEGDecoder::Impl::Decode(const BinaryRequest& r
std::size_t size = bytes_per_sample * (decoded_frame->nb_samples);
response.sample_rate = GetSampleRateEnum(decoded_frame->sample_rate);
response.num_channels = decoded_frame->channels;
response.num_samples += decoded_frame->nb_samples;

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@ -138,6 +138,7 @@ std::optional<BinaryResponse> MediaNDKDecoder::Impl::Decode(const BinaryRequest&
u8* data = mMemory.GetFCRAMPointer(request.src_addr - Memory::FCRAM_PADDR);
ADTSData adts_data = ParseADTS(reinterpret_cast<const char*>(data));
SetMediaType(adts_data);
response.sample_rate = GetSampleRateEnum(adts_data.samplerate);
response.num_channels = adts_data.channels;
if (!mDecoder) {
LOG_ERROR(Audio_DSP, "Missing decoder for profile: {}, channels: {}, samplerate: {}",

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@ -219,6 +219,7 @@ std::optional<BinaryResponse> WMFDecoder::Impl::Decode(const BinaryRequest& requ
return response;
}
response.sample_rate = GetSampleRateEnum(adts_meta->ADTSHeader.samplerate);
response.num_channels = adts_meta->ADTSHeader.channels;
if (!format_selected) {