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Fix a crash relating to SIMD.

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This commit is contained in:
David Reid
2018-07-05 19:53:40 +10:00
parent 6e3a0a4fe5
commit c25318d8cf
2 changed files with 44 additions and 15 deletions
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mini_al.h
+35 -6
View File
@@ -8248,7 +8248,7 @@ mal_result mal_device_init__winmm(mal_context* pContext, mal_device_type type, m
}
// Backend tax. Need to fiddle with this.
float fBackend = 12.0;
float fBackend = 10.0;
pDevice->bufferSizeInFrames = mal_calculate_default_buffer_size_in_frames(pConfig->performanceProfile, pConfig->sampleRate, fCPUSpeed*fType*fBackend);
}
@@ -20665,6 +20665,12 @@ void mal_pcm_f32_to_s16__optimized(void* dst, const void* src, mal_uint64 count,
#if defined(MAL_SUPPORT_SSE2)
void mal_pcm_f32_to_s16__sse2(void* dst, const void* src, mal_uint64 count, mal_dither_mode ditherMode)
{
// Both the input and output buffers need to be aligned to 16 bytes.
if ((((mal_uintptr)dst & 15) != 0) || (((mal_uintptr)src & 15) != 0)) {
mal_pcm_f32_to_s16__optimized(dst, src, count, ditherMode);
return;
}
mal_int16* dst_s16 = (mal_int16*)dst;
const float* src_f32 = (const float*)src;
@@ -20742,6 +20748,12 @@ void mal_pcm_f32_to_s16__sse2(void* dst, const void* src, mal_uint64 count, mal_
#if defined(MAL_SUPPORT_AVX2)
void mal_pcm_f32_to_s16__avx2(void* dst, const void* src, mal_uint64 count, mal_dither_mode ditherMode)
{
// Both the input and output buffers need to be aligned to 32 bytes.
if ((((mal_uintptr)dst & 31) != 0) || (((mal_uintptr)src & 31) != 0)) {
mal_pcm_f32_to_s16__optimized(dst, src, count, ditherMode);
return;
}
mal_int16* dst_s16 = (mal_int16*)dst;
const float* src_f32 = (const float*)src;
@@ -20849,6 +20861,12 @@ void mal_pcm_f32_to_s16__avx512(void* dst, const void* src, mal_uint64 count, ma
#if defined(MAL_SUPPORT_NEON)
void mal_pcm_f32_to_s16__neon(void* dst, const void* src, mal_uint64 count, mal_dither_mode ditherMode)
{
// Both the input and output buffers need to be aligned to 16 bytes.
if ((((mal_uintptr)dst & 15) != 0) || (((mal_uintptr)src & 15) != 0)) {
mal_pcm_f32_to_s16__optimized(dst, src, count, ditherMode);
return;
}
mal_int16* dst_s16 = (mal_int16*)dst;
const float* src_f32 = (const float*)src;
@@ -24218,7 +24236,7 @@ float mal_calculate_cpu_speed_factor()
// Our profiling test is based on how quick it can process 1 second worth of samples through mini_al's data conversion pipeline.
// This factor is multiplied with the profiling time. May need to fiddle with this to get an accurate value.
float f = 1000;
double f = 1000;
// Experiment: Reduce the factor a little when debug mode is used to reduce a blowout.
#if !defined(NDEBUG) || defined(_DEBUG)
@@ -24289,9 +24307,11 @@ float mal_calculate_cpu_speed_factor()
double executionTimeInSeconds = mal_timer_get_time_in_seconds(&timer) - startTime;
executionTimeInSeconds /= iterationCount;
mal_free(pData);
return (float)(executionTimeInSeconds * f);
// Guard against extreme blowouts.
return (float)mal_clamp(executionTimeInSeconds * f, 0.1, 100.0);
}
mal_uint32 mal_scale_buffer_size(mal_uint32 baseBufferSize, float scale)
@@ -24301,11 +24321,20 @@ mal_uint32 mal_scale_buffer_size(mal_uint32 baseBufferSize, float scale)
mal_uint32 mal_calculate_default_buffer_size_in_frames(mal_performance_profile performanceProfile, mal_uint32 sampleRate, float scale)
{
mal_uint32 baseLatency;
if (performanceProfile == mal_performance_profile_low_latency) {
return mal_scale_buffer_size((sampleRate/1000) * MAL_BASE_BUFFER_SIZE_IN_MILLISECONDS_LOW_LATENCY, scale);
baseLatency = MAL_BASE_BUFFER_SIZE_IN_MILLISECONDS_LOW_LATENCY;
} else {
return mal_scale_buffer_size((sampleRate/1000) * MAL_BASE_BUFFER_SIZE_IN_MILLISECONDS_CONSERVATIVE, scale);
baseLatency = MAL_BASE_BUFFER_SIZE_IN_MILLISECONDS_CONSERVATIVE;
}
mal_uint32 sampleRateMS = (sampleRate/1000);
mal_uint32 minBufferSize = sampleRateMS * mal_min(baseLatency / 5, 1); // <-- Guard against multiply by zero.
mal_uint32 maxBufferSize = sampleRateMS * (baseLatency * 20);
mal_uint32 bufferSize = mal_scale_buffer_size((sampleRate/1000) * baseLatency, scale);
return mal_clamp(bufferSize, minBufferSize, maxBufferSize);
}
tests/mal_test_0.vcxproj
+9 -9
View File
@@ -271,21 +271,21 @@
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="mal_profiling.c">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="mal_test_0.c">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="mal_test_0.c">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</ExcludedFromBuild>
</ClCompile>
<ClCompile Include="mal_test_0.cpp">
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</ExcludedFromBuild>