51d348b087
Allows some implementations to avoid completely zeroing out the internal buffer of the optional, and instead only set the validity byte within the structure. This also makes it consistent how we return empty optionals. Co-Authored-By: LC <712067+lioncash@users.noreply.github.com>
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "audio_core/hle/decoder.h"
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namespace AudioCore::HLE {
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DecoderSampleRate GetSampleRateEnum(u32 sample_rate) {
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switch (sample_rate) {
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case 48000:
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return DecoderSampleRate::Rate48000;
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case 44100:
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return DecoderSampleRate::Rate44100;
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case 32000:
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return DecoderSampleRate::Rate32000;
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case 24000:
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return DecoderSampleRate::Rate24000;
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case 22050:
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return DecoderSampleRate::Rate22050;
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case 16000:
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return DecoderSampleRate::Rate16000;
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case 12000:
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return DecoderSampleRate::Rate12000;
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case 11025:
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return DecoderSampleRate::Rate11025;
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case 8000:
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return DecoderSampleRate::Rate8000;
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default:
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LOG_WARNING(Audio_DSP, "Unknown decoder sample rate: {}", sample_rate);
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return DecoderSampleRate::Rate48000;
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}
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}
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DecoderBase::~DecoderBase(){};
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NullDecoder::NullDecoder() = default;
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NullDecoder::~NullDecoder() = default;
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std::optional<BinaryResponse> NullDecoder::ProcessRequest(const BinaryRequest& request) {
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BinaryResponse response;
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switch (request.cmd) {
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case DecoderCommand::Init:
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case DecoderCommand::Unknown:
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std::memcpy(&response, &request, sizeof(response));
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response.unknown1 = 0x0;
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return response;
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case DecoderCommand::Decode:
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response.codec = request.codec;
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response.cmd = DecoderCommand::Decode;
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response.num_channels = 2; // Just assume stereo here
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response.size = request.size;
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response.num_samples = 1024; // Just assume 1024 here
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return response;
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default:
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LOG_ERROR(Audio_DSP, "Got unknown binary request: {}", static_cast<u16>(request.cmd));
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return std::nullopt;
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}
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};
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} // namespace AudioCore::HLE
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