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hwopus: Mark local variables as const where applicable 

Makes non-mutable state more explicit.
This commit is contained in:
Lioncash 2019-01-29 17:33:25 -05:00
parent 06887c80a5
commit eb1a3c1f4a
1 changed files with 16 additions and 8 deletions
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24
src/core/hle/service/audio/hwopus.cpp
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@ -95,12 +95,13 @@ private:
std::vector<opus_int16>& output, std::vector<opus_int16>& output,
std::optional<std::reference_wrapper<u64>> performance_time = std::nullopt) { std::optional<std::reference_wrapper<u64>> performance_time = std::nullopt) {
const auto start_time = std::chrono::high_resolution_clock::now(); const auto start_time = std::chrono::high_resolution_clock::now();
std::size_t raw_output_sz = output.size() * sizeof(opus_int16); const std::size_t raw_output_sz = output.size() * sizeof(opus_int16);
if (sizeof(OpusHeader) > input.size()) { if (sizeof(OpusHeader) > input.size()) {
LOG_ERROR(Audio, "Input is smaller than the header size, header_sz={}, input_sz={}", LOG_ERROR(Audio, "Input is smaller than the header size, header_sz={}, input_sz={}",
sizeof(OpusHeader), input.size()); sizeof(OpusHeader), input.size());
return false; return false;
} }
OpusHeader hdr{}; OpusHeader hdr{};
std::memcpy(&hdr, input.data(), sizeof(OpusHeader)); std::memcpy(&hdr, input.data(), sizeof(OpusHeader));
if (sizeof(OpusHeader) + static_cast<u32>(hdr.sz) > input.size()) { if (sizeof(OpusHeader) + static_cast<u32>(hdr.sz) > input.size()) {
@ -108,8 +109,9 @@ private:
sizeof(OpusHeader) + static_cast<u32>(hdr.sz), input.size()); sizeof(OpusHeader) + static_cast<u32>(hdr.sz), input.size());
return false; return false;
} }
auto frame = input.data() + sizeof(OpusHeader);
auto decoded_sample_count = opus_packet_get_nb_samples( const auto frame = input.data() + sizeof(OpusHeader);
const auto decoded_sample_count = opus_packet_get_nb_samples(
frame, static_cast<opus_int32>(input.size() - sizeof(OpusHeader)), frame, static_cast<opus_int32>(input.size() - sizeof(OpusHeader)),
static_cast<opus_int32>(sample_rate)); static_cast<opus_int32>(sample_rate));
if (decoded_sample_count * channel_count * sizeof(u16) > raw_output_sz) { if (decoded_sample_count * channel_count * sizeof(u16) > raw_output_sz) {
@ -119,8 +121,9 @@ private:
decoded_sample_count * channel_count * sizeof(u16), raw_output_sz); decoded_sample_count * channel_count * sizeof(u16), raw_output_sz);
return false; return false;
} }
const int frame_size = (static_cast<int>(raw_output_sz / sizeof(s16) / channel_count)); const int frame_size = (static_cast<int>(raw_output_sz / sizeof(s16) / channel_count));
auto out_sample_count = const auto out_sample_count =
opus_decode(decoder.get(), frame, hdr.sz, output.data(), frame_size, 0); opus_decode(decoder.get(), frame, hdr.sz, output.data(), frame_size, 0);
if (out_sample_count < 0) { if (out_sample_count < 0) {
LOG_ERROR(Audio, LOG_ERROR(Audio,
@ -129,6 +132,7 @@ private:
out_sample_count, frame_size, static_cast<u32>(hdr.sz)); out_sample_count, frame_size, static_cast<u32>(hdr.sz));
return false; return false;
} }
const auto end_time = std::chrono::high_resolution_clock::now() - start_time; const auto end_time = std::chrono::high_resolution_clock::now() - start_time;
sample_count = out_sample_count; sample_count = out_sample_count;
consumed = static_cast<u32>(sizeof(OpusHeader) + hdr.sz); consumed = static_cast<u32>(sizeof(OpusHeader) + hdr.sz);
@ -136,6 +140,7 @@ private:
performance_time->get() = performance_time->get() =
std::chrono::duration_cast<std::chrono::milliseconds>(end_time).count(); std::chrono::duration_cast<std::chrono::milliseconds>(end_time).count();
} }
return true; return true;
} }
@ -159,6 +164,7 @@ void HwOpus::GetWorkBufferSize(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx}; IPC::RequestParser rp{ctx};
const auto sample_rate = rp.Pop<u32>(); const auto sample_rate = rp.Pop<u32>();
const auto channel_count = rp.Pop<u32>(); const auto channel_count = rp.Pop<u32>();
LOG_DEBUG(Audio, "called with sample_rate={}, channel_count={}", sample_rate, channel_count); LOG_DEBUG(Audio, "called with sample_rate={}, channel_count={}", sample_rate, channel_count);
ASSERT_MSG(sample_rate == 48000 || sample_rate == 24000 || sample_rate == 16000 || ASSERT_MSG(sample_rate == 48000 || sample_rate == 24000 || sample_rate == 16000 ||
@ -176,9 +182,10 @@ void HwOpus::GetWorkBufferSize(Kernel::HLERequestContext& ctx) {
void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) { void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx}; IPC::RequestParser rp{ctx};
auto sample_rate = rp.Pop<u32>(); const auto sample_rate = rp.Pop<u32>();
auto channel_count = rp.Pop<u32>(); const auto channel_count = rp.Pop<u32>();
auto buffer_sz = rp.Pop<u32>(); const auto buffer_sz = rp.Pop<u32>();
LOG_DEBUG(Audio, "called sample_rate={}, channel_count={}, buffer_size={}", sample_rate, LOG_DEBUG(Audio, "called sample_rate={}, channel_count={}, buffer_size={}", sample_rate,
channel_count, buffer_sz); channel_count, buffer_sz);
@ -187,8 +194,9 @@ void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) {
"Invalid sample rate"); "Invalid sample rate");
ASSERT_MSG(channel_count == 1 || channel_count == 2, "Invalid channel count"); ASSERT_MSG(channel_count == 1 || channel_count == 2, "Invalid channel count");
std::size_t worker_sz = WorkerBufferSize(channel_count); const std::size_t worker_sz = WorkerBufferSize(channel_count);
ASSERT_MSG(buffer_sz >= worker_sz, "Worker buffer too large"); ASSERT_MSG(buffer_sz >= worker_sz, "Worker buffer too large");
std::unique_ptr<OpusDecoder, OpusDeleter> decoder{ std::unique_ptr<OpusDecoder, OpusDeleter> decoder{
static_cast<OpusDecoder*>(operator new(worker_sz))}; static_cast<OpusDecoder*>(operator new(worker_sz))};
if (const int err = opus_decoder_init(decoder.get(), sample_rate, channel_count)) { if (const int err = opus_decoder_init(decoder.get(), sample_rate, channel_count)) {