diff options
Diffstat (limited to 'src/audio_core/audio_renderer.cpp')
| -rw-r--r-- | src/audio_core/audio_renderer.cpp | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/src/audio_core/audio_renderer.cpp b/src/audio_core/audio_renderer.cpp index ccd5ca6cc..7dba739b4 100644 --- a/src/audio_core/audio_renderer.cpp +++ b/src/audio_core/audio_renderer.cpp @@ -29,10 +29,9 @@ namespace { (static_cast<float>(r_channel) * r_mix_amount))); } -[[nodiscard]] static constexpr std::tuple<s16, s16> Mix6To2(s16 fl_channel, s16 fr_channel, - s16 fc_channel, - [[maybe_unused]] s16 lf_channel, - s16 bl_channel, s16 br_channel) { +[[maybe_unused, nodiscard]] static constexpr std::tuple<s16, s16> Mix6To2( + s16 fl_channel, s16 fr_channel, s16 fc_channel, [[maybe_unused]] s16 lf_channel, s16 bl_channel, + s16 br_channel) { // Front channels are mixed 36.94%, Center channels are mixed to be 26.12% & the back channels // are mixed to be 36.94% @@ -57,11 +56,11 @@ namespace { const std::array<float_le, 4>& coeff) { const auto left = static_cast<float>(fl_channel) * coeff[0] + static_cast<float>(fc_channel) * coeff[1] + - static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(bl_channel) * coeff[0]; + static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(bl_channel) * coeff[3]; const auto right = static_cast<float>(fr_channel) * coeff[0] + static_cast<float>(fc_channel) * coeff[1] + - static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(br_channel) * coeff[0]; + static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(br_channel) * coeff[3]; return {ClampToS16(static_cast<s32>(left)), ClampToS16(static_cast<s32>(right))}; } @@ -241,7 +240,7 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) { const auto channel_count = buffer_offsets.size(); const auto& final_mix = mix_context.GetFinalMixInfo(); const auto& in_params = final_mix.GetInParams(); - std::vector<s32*> mix_buffers(channel_count); + std::vector<std::span<s32>> mix_buffers(channel_count); for (std::size_t i = 0; i < channel_count; i++) { mix_buffers[i] = command_generator.GetMixBuffer(in_params.buffer_offset + buffer_offsets[i]); @@ -294,18 +293,11 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) { buffer[i * stream_channel_count + 0] = Mix2To1(fl_sample, fr_sample); } else if (stream_channel_count == 2) { // Mix all channels into 2 channels - if (sink_context.HasDownMixingCoefficients()) { - const auto [left, right] = Mix6To2WithCoefficients( - fl_sample, fr_sample, fc_sample, lf_sample, bl_sample, br_sample, - sink_context.GetDownmixCoefficients()); - buffer[i * stream_channel_count + 0] = left; - buffer[i * stream_channel_count + 1] = right; - } else { - const auto [left, right] = Mix6To2(fl_sample, fr_sample, fc_sample, - lf_sample, bl_sample, br_sample); - buffer[i * stream_channel_count + 0] = left; - buffer[i * stream_channel_count + 1] = right; - } + const auto [left, right] = Mix6To2WithCoefficients( + fl_sample, fr_sample, fc_sample, lf_sample, bl_sample, br_sample, + sink_context.GetDownmixCoefficients()); + buffer[i * stream_channel_count + 0] = left; + buffer[i * stream_channel_count + 1] = right; } else if (stream_channel_count == 6) { // Pass through buffer[i * stream_channel_count + 0] = fl_sample; |