mirror of
https://github.com/jessicanataliagta/PSPRecomp
synced 2026-09-30 09:41:52 -04:00
Jessica_Natalia
34 lines
1.4 KiB
C++
34 lines
1.4 KiB
C++
#pragma once
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#include <cstdint>
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#include <span>
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namespace vcs {
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// Host audio sink for the sceAudio HLE. The PSP exposes eight regular PCM
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// channels plus one SRC/Output2 channel; submissions are mixed on the guest's
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// virtual-time line before they are handed to the native audio device.
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[[nodiscard]] bool audio_output_enabled();
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// Mix one PSP buffer into the host stream. `guest_time_us` is the virtual time
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// at which the PSP submitted the buffer. Supplying that timestamp is important:
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// it lets simultaneous guest channels land on the same output frames instead of
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// racing one another through an append-only host queue.
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void audio_output_submit(std::span<const std::int16_t> pcm, std::uint32_t frames,
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bool stereo, std::uint32_t left, std::uint32_t right,
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std::uint32_t source_rate, std::uint32_t channel,
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std::uint64_t guest_time_us);
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// Seal and queue audio whose guest time is safely in the past. Call this from
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// the vblank path even on frames where the game submitted no new audio so the
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// native device keeps receiving silence rather than underrunning.
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void audio_output_advance(std::uint64_t guest_time_us);
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// Forget stream/resampler continuity for one PSP channel (release/re-reserve).
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void audio_output_reset_channel(std::uint32_t channel);
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// Releases the device. Safe to call when nothing was ever opened.
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void audio_output_shutdown();
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} // namespace vcs
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