61 lines
2.7 KiB
Bash
Executable file
61 lines
2.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Part of JoeyLib, Copyright (c) 2026 Scott Duensing, under the MIT License.
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# See LICENSE.md for license information.
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# SPDX-License-Identifier: MIT
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#
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# verify-psp-audio.sh - PSP audio gate, graded on the sound itself.
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#
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# The PSP port mixes everything in software (src/hosted/audio.c, the sdl3
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# port's mixer) and plays the mix through SDL3's PSP audio driver, which
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# hands it to the PSP's audio channels. PPSSPPHeadless (scripts/lib/pspGate.sh)
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# records what reaches them (--dump-audio: PPSSPP's own recording, a 44.1 kHz
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# stereo WAV on the emulated clock) while AUDIOPRB runs from its folder on a
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# private memory stick, with every memory access checked as a PSP checks it.
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#
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# AUDIOPRB (make/examples.mk) is examples/audio pressing its own keys: the
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# PSP has none to type with. An --input script presses Select at
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# QUIT_MS, which the port gives as Escape: AUDIOPRB must quit on it, which
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# also ends the run and the recording. scripts/lib/pspAudioGrade.py grades
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# the recording: the tracker song alone at the start, three streamed takes
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# loud and each at its own pitch (so the PSP plays the mix at the rate it
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# was made for), and the end at Select.
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#
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# Usage: scripts/verify-psp-audio.sh [program folder]
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# Default build/psp/probe/AUDIOPRB (make -f make/psp.mk
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# psp-verify-audio builds it and runs this).
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# Requires: PPSSPPHeadless, python3; AUDIOPRB built for the PSP.
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set -uo pipefail
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repo=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
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source "$repo/scripts/lib/joeyEnv.sh"
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source "$repo/scripts/lib/pspGate.sh"
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pspNeed
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label=verify-psp-audio
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dir=${1:-$repo/build/psp/probe/AUDIOPRB}
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[ -f "$dir/EBOOT.PBP" ] || { echo "$label: build AUDIOPRB first (make -f make/psp.mk psp-verify-audio)" >&2; exit 2; }
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# Real seconds the run may take, and when (emulated milliseconds since
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# boot, the recording's start) Select is pressed: past the third take.
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runSeconds=60
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quitMs=6000
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msPerSecond=1000
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work=$(mktemp -d -t joeylib-psp-audio.XXXXXX)
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cleanup() {
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pspStop
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rm -rf "$work"
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}
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trap cleanup EXIT
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printf '%d buttons select\n' "$quitMs" > "$work/input.txt"
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folder=$(pspStage "$work" "$dir")
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pspRun "$work" "$folder" "$runSeconds" --dump-audio --input="$work/input.txt"
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pspWait
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pspStrictCheck "$work" "$dir" || { echo "$label: FAIL - a bad memory access" >&2; exit 1; }
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if grep -q '^TIMEOUT' "$work/ppsspp.log"; then
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echo "$label: FAIL - AUDIOPRB did not quit on Select (Escape)" >&2
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exit 1
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fi
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wav=$(find "$work/.ppsspp/PSP/AUDIO" -name '*.wav' -print -quit 2> /dev/null)
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[ -n "$wav" ] || { echo "$label: FAIL - PPSSPP recorded nothing" >&2; exit 1; }
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python3 "$repo/scripts/lib/pspAudioGrade.py" "$label" "$wav" "$(awk -v ms="$quitMs" -v k="$msPerSecond" 'BEGIN { print ms / k }')"
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