void
AudioBlockPanStereoToStereo(const float aInputL[WEBAUDIO_BLOCK_SIZE],
const float aInputR[WEBAUDIO_BLOCK_SIZE],
float aGainL[WEBAUDIO_BLOCK_SIZE],
float aGainR[WEBAUDIO_BLOCK_SIZE],
bool aIsOnTheLeft[WEBAUDIO_BLOCK_SIZE],
float aOutputL[WEBAUDIO_BLOCK_SIZE],
float aOutputR[WEBAUDIO_BLOCK_SIZE])
{
#ifdef BUILD_ARM_NEON
if (mozilla::supports_neon()) {
AudioBlockPanStereoToStereo_NEON(aInputL, aInputR,
aGainL, aGainR, aIsOnTheLeft,
aOutputL, aOutputR);
return;
}
#endif
uint32_t i;
for (i = 0; i < WEBAUDIO_BLOCK_SIZE; i++) {
if (aIsOnTheLeft[i]) {
aOutputL[i] = aInputL[i] + aInputR[i] * aGainL[i];
aOutputR[i] = aInputR[i] * aGainR[i];
} else {
aOutputL[i] = aInputL[i] * aGainL[i];
aOutputR[i] = aInputR[i] + aInputL[i] * aGainR[i];
}
}
}
void
AudioBlockPanStereoToStereo(const float aInputL[WEBAUDIO_BLOCK_SIZE],
const float aInputR[WEBAUDIO_BLOCK_SIZE],
float aGainL, float aGainR, bool aIsOnTheLeft,
float aOutputL[WEBAUDIO_BLOCK_SIZE],
float aOutputR[WEBAUDIO_BLOCK_SIZE])
{
#ifdef BUILD_ARM_NEON
if (mozilla::supports_neon()) {
AudioBlockPanStereoToStereo_NEON(aInputL, aInputR,
aGainL, aGainR, aIsOnTheLeft,
aOutputL, aOutputR);
return;
}
#endif
uint32_t i;
if (aIsOnTheLeft) {
for (i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
*aOutputL++ = *aInputL++ + *aInputR * aGainL;
*aOutputR++ = *aInputR++ * aGainR;
}
} else {
for (i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
*aOutputL++ = *aInputL * aGainL;
*aOutputR++ = *aInputR++ + *aInputL++ * aGainR;
}
}
}
