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https://github.com/hrydgard/ppsspp.git
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68317f0067
Some compile parameters were resulting in us try to use a func we didn't compile. We should at least use the same defines in usage and definition.
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "ppsspp_config.h"
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#include "Common/Common.h"
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#include "Common/CommonTypes.h"
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#include "Core/Util/AudioFormatNEON.h"
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#define IS_LITTLE_ENDIAN (*(const u16 *)"\0\xff" >= 0x100)
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static inline u8 clamp_u8(int i) {
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#if PPSSPP_ARCH(ARM) && !defined(_MSC_VER)
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asm("usat %0, #8, %1" : "=r"(i) : "r"(i));
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#else
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if (i > 255)
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return 255;
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if (i < 0)
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return 0;
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#endif
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return i;
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}
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static inline s16 clamp_s16(int i) {
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#if PPSSPP_ARCH(ARM) && !defined(_MSC_VER)
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asm("ssat %0, #16, %1" : "=r"(i) : "r"(i));
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#else
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if (i > 32767)
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return 32767;
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if (i < -32768)
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return -32768;
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#endif
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return i;
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}
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static inline s16 ApplySampleVolume(s16 sample, int vol) {
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#if PPSSPP_ARCH(ARM) && !defined(_MSC_VER)
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register int r;
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asm volatile("smulwb %0, %1, %2\n\t" \
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"ssat %0, #16, %0" \
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: "=r"(r) : "r"(vol), "r"(sample));
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return r;
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#else
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return clamp_s16((sample * vol) >> 16);
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#endif
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}
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// We sacrifice a little volume precision to fit in 32 bits, for speed.
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// Probably not worth it to make a special path for 64-bit CPUs.
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static inline s16 ApplySampleVolume20Bit(s16 sample, int vol20) {
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return clamp_s16((sample * (vol20 >> 4)) >> 12);
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}
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void SetupAudioFormats();
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void AdjustVolumeBlockStandard(s16 *out, s16 *in, size_t size, int leftVol, int rightVol);
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void ConvertS16ToF32(float *ou, const s16 *in, size_t size);
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#ifdef _M_SSE
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#define AdjustVolumeBlock AdjustVolumeBlockStandard
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#elif PPSSPP_ARCH(ARM64)
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#define AdjustVolumeBlock AdjustVolumeBlockNEON
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#else
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typedef void (*AdjustVolumeBlockFunc)(s16 *out, s16 *in, size_t size, int leftVol, int rightVol);
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extern AdjustVolumeBlockFunc AdjustVolumeBlock;
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#endif
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