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Add NEON optimizations and fix a crash.

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This commit is contained in:
David Reid
2018-04-30 10:19:21 +00:00
parent 85d5b5ef7a
commit 5b1a01d8ca
1 changed files with 15 additions and 1 deletions
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mini_al.h
+15 -1
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@@ -15983,7 +15983,7 @@ mal_result mal_device_init_ex(const mal_backend backends[], mal_uint32 backendCo
mal_result result = MAL_NO_BACKEND;
for (mal_uint32 iBackend = 0; iBackend < backendsToIterateCount; ++iBackend) {
result = mal_context_init(&backends[iBackend], 1, pContextConfig, pContext);
result = mal_context_init(&pBackendsToIterate[iBackend], 1, pContextConfig, pContext);
if (result == MAL_SUCCESS) {
result = mal_device_init(pContext, type, pDeviceID, pConfig, pUserData, pDevice);
if (result == MAL_SUCCESS) {
@@ -19099,7 +19099,21 @@ void mal_channel_router__do_routing(mal_channel_router* pRouter, mal_uint64 fram
for (mal_uint32 iChannelIn = 0; iChannelIn < pRouter->config.channelsIn; ++iChannelIn) {
for (mal_uint32 iChannelOut = 0; iChannelOut < pRouter->config.channelsOut; ++iChannelOut) {
mal_uint64 iFrame = 0;
#if defined(MAL_SUPPORT_NEON)
if (mal_channel_router__can_use_neon(pRouter, ppSamplesOut[iChannelOut], ppSamplesIn[iChannelIn])) {
float32x4_t weight = vmovq_n_f32(pRouter->weights[iChannelIn][iChannelOut]);
mal_uint64 frameCount4 = frameCount/4;
for (mal_uint64 iFrame4 = 0; iFrame4 < frameCount4; iFrame4 += 1) {
float32x4_t* pO = (float32x4_t*)ppSamplesOut[iChannelOut] + iFrame4;
float32x4_t* pI = (float32x4_t*)ppSamplesIn [iChannelIn ] + iFrame4;
*pO = vaddq_f32(*pO, vmulq_f32(*pI, weight));
}
iFrame += frameCount4*4;
}
else
#endif
#if defined(MAL_SUPPORT_AVX512)
if (mal_channel_router__can_use_avx512(pRouter, ppSamplesOut[iChannelOut], ppSamplesIn[iChannelIn])) {
__m512 weight = _mm512_set1_ps(pRouter->weights[iChannelIn][iChannelOut]);