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Merge pull request #4763 from liushuyu/dsp_aac
audio_core: dsp_hle: use better f32 to s16 algorithm
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commit
c445fe4515
@ -218,6 +218,7 @@ std::optional<BinaryResponse> FFMPEGDecoder::Impl::Decode(const BinaryRequest& r
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for (std::size_t channel(0); channel < decoded_frame->channels; channel++) {
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std::memcpy(&val_float, decoded_frame->data[channel] + current_pos,
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sizeof(val_float));
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val_float = std::clamp(val_float, -1.0f, 1.0f);
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s16 val = static_cast<s16>(0x7FFF * val_float);
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out_streams[channel].push_back(val & 0xFF);
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out_streams[channel].push_back(val >> 8);
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@ -129,7 +129,7 @@ MFOutputState WMFDecoder::Impl::DecodingLoop(ADTSData adts_header,
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f32 val_f32;
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for (std::size_t i = 0; i < output_buffer->size();) {
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for (std::size_t channel = 0; channel < adts_header.channels; channel++) {
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val_f32 = output_buffer->at(i);
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val_f32 = std::clamp(output_buffer->at(i), -1.0f, 1.0f);
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s16 val = static_cast<s16>(0x7FFF * val_f32);
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out_streams[channel].push_back(val & 0xFF);
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out_streams[channel].push_back(val >> 8);
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