mirror of
https://github.com/Ryujinx/SDL.git
synced 2024-12-22 14:45:28 +00:00
testsurround: Add surround sound channel tester
This commit is contained in:
Cameron Gutman
Sam Lantinga
parent
27369b3e40
commit
cd66c050fe
1
.gitignore
vendored
1
.gitignore
vendored
|
|
@ -157,6 +157,7 @@ test/testshape
|
|||
test/testsprite2
|
||||
test/testspriteminimal
|
||||
test/teststreaming
|
||||
test/testsurround
|
||||
test/testthread
|
||||
test/testtimer
|
||||
test/testurl
|
||||
|
|
|
|||
|
|
@ -56,6 +56,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testyuv", "tests\testyuv\te
|
|||
EndProject
|
||||
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testsensor", "tests\testsensor\testsensor.vcxproj", "{C4E04D18-EF76-4B42-B4C2-16A1BACDC0A4}"
|
||||
EndProject
|
||||
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testsurround", "tests\testsurround\testsurround.vcxproj", "{70B894A9-E306-49E8-ABC2-932A952A5E5F}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Win32 = Debug|Win32
|
||||
|
|
@ -280,6 +282,14 @@ Global
|
|||
{C4E04D18-EF76-4B42-B4C2-16A1BACDC0A4}.Release|Win32.Build.0 = Release|Win32
|
||||
{C4E04D18-EF76-4B42-B4C2-16A1BACDC0A4}.Release|x64.ActiveCfg = Release|x64
|
||||
{C4E04D18-EF76-4B42-B4C2-16A1BACDC0A4}.Release|x64.Build.0 = Release|x64
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Debug|Win32.ActiveCfg = Debug|Win32
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Debug|Win32.Build.0 = Debug|Win32
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Debug|x64.ActiveCfg = Debug|x64
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Debug|x64.Build.0 = Debug|x64
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Release|Win32.ActiveCfg = Release|Win32
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Release|Win32.Build.0 = Release|Win32
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Release|x64.ActiveCfg = Release|x64
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F}.Release|x64.Build.0 = Release|x64
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
|
|
@ -309,6 +319,7 @@ Global
|
|||
{C4E04D18-EF76-4B42-B4C2-16A1BACDC0A5} = {D69D5741-611F-4E14-8541-1FEE94F50B5A}
|
||||
{40FB7794-D3C3-4CFE-BCF4-A80C97635682} = {D69D5741-611F-4E14-8541-1FEE94F50B5A}
|
||||
{C4E04D18-EF76-4B42-B4C2-16A1BACDC0A4} = {D69D5741-611F-4E14-8541-1FEE94F50B5A}
|
||||
{70B894A9-E306-49E8-ABC2-932A952A5E5F} = {D69D5741-611F-4E14-8541-1FEE94F50B5A}
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
SolutionGuid = {C320C9F2-1A8F-41D7-B02B-6338F872BCAD}
|
||||
|
|
|
|||
210
VisualC/tests/testsurround/testsurround.vcxproj
Normal file
210
VisualC/tests/testsurround/testsurround.vcxproj
Normal file
|
|
@ -0,0 +1,210 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
|
||||
<ProjectConfiguration Include="Debug|Win32">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Debug|x64">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|Win32">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|x64">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
|
||||
<ProjectGuid>{70B894A9-E306-49E8-ABC2-932A952A5E5F}</ProjectGuid>
|
||||
<RootNamespace>testsurround</RootNamespace>
|
||||
<VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<PlatformToolset Condition="'$(VisualStudioVersion)' != '10.0'">$(DefaultPlatformToolset)</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<PlatformToolset Condition="'$(VisualStudioVersion)' != '10.0'">$(DefaultPlatformToolset)</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<PlatformToolset Condition="'$(VisualStudioVersion)' != '10.0'">$(DefaultPlatformToolset)</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<PlatformToolset Condition="'$(VisualStudioVersion)' != '10.0'">$(DefaultPlatformToolset)</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
<Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
<Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
<Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
<Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
|
||||
</ImportGroup>
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup>
|
||||
<_ProjectFileVersion>10.0.40219.1</_ProjectFileVersion>
|
||||
<OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
|
||||
<IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Platform)\$(Configuration)\</IntDir>
|
||||
<OutDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
|
||||
<IntDir Condition="'$(Configuration)|$(Platform)'=='Release|x64'">$(Platform)\$(Configuration)\</IntDir>
|
||||
<OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
|
||||
<IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(Platform)\$(Configuration)\</IntDir>
|
||||
<OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
|
||||
<IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(Platform)\$(Configuration)\</IntDir>
|
||||
<CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
|
||||
<CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
|
||||
<CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
|
||||
<CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
|
||||
<CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" />
|
||||
<CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" />
|
||||
<CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">AllRules.ruleset</CodeAnalysisRuleSet>
|
||||
<CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
|
||||
<CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" />
|
||||
<CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
|
||||
<CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
|
||||
<CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
|
||||
</PropertyGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<Midl>
|
||||
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<MkTypLibCompatible>true</MkTypLibCompatible>
|
||||
<SuppressStartupBanner>true</SuppressStartupBanner>
|
||||
<TargetEnvironment>Win32</TargetEnvironment>
|
||||
<TypeLibraryName>.\Release/testsurround.tlb</TypeLibraryName>
|
||||
</Midl>
|
||||
<ClCompile>
|
||||
<AdditionalIncludeDirectories>$(SolutionDir)/../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
|
||||
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
|
||||
<PrecompiledHeader>
|
||||
</PrecompiledHeader>
|
||||
<PrecompiledHeaderOutputFile>.\Release/testsurround.pch</PrecompiledHeaderOutputFile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
</ClCompile>
|
||||
<ResourceCompile>
|
||||
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<Culture>0x0409</Culture>
|
||||
</ResourceCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<Midl>
|
||||
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<MkTypLibCompatible>true</MkTypLibCompatible>
|
||||
<SuppressStartupBanner>true</SuppressStartupBanner>
|
||||
<TargetEnvironment>X64</TargetEnvironment>
|
||||
<TypeLibraryName>.\Release/testsurround.tlb</TypeLibraryName>
|
||||
</Midl>
|
||||
<ClCompile>
|
||||
<AdditionalIncludeDirectories>$(SolutionDir)/../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
|
||||
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
|
||||
<PrecompiledHeader>
|
||||
</PrecompiledHeader>
|
||||
<PrecompiledHeaderOutputFile>.\Release/testsurround.pch</PrecompiledHeaderOutputFile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
</ClCompile>
|
||||
<ResourceCompile>
|
||||
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<Culture>0x0409</Culture>
|
||||
</ResourceCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<Midl>
|
||||
<PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<MkTypLibCompatible>true</MkTypLibCompatible>
|
||||
<SuppressStartupBanner>true</SuppressStartupBanner>
|
||||
<TargetEnvironment>Win32</TargetEnvironment>
|
||||
<TypeLibraryName>.\Debug/testsurround.tlb</TypeLibraryName>
|
||||
</Midl>
|
||||
<ClCompile>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>$(SolutionDir)/../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
|
||||
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<DebugInformationFormat>OldStyle</DebugInformationFormat>
|
||||
</ClCompile>
|
||||
<ResourceCompile>
|
||||
<PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<Culture>0x0409</Culture>
|
||||
</ResourceCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<SubSystem>Console</SubSystem>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<Midl>
|
||||
<PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<MkTypLibCompatible>true</MkTypLibCompatible>
|
||||
<SuppressStartupBanner>true</SuppressStartupBanner>
|
||||
<TargetEnvironment>X64</TargetEnvironment>
|
||||
<TypeLibraryName>.\Debug/testsurround.tlb</TypeLibraryName>
|
||||
</Midl>
|
||||
<ClCompile>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>$(SolutionDir)/../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalUsingDirectories>%(AdditionalUsingDirectories)</AdditionalUsingDirectories>
|
||||
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<DebugInformationFormat>OldStyle</DebugInformationFormat>
|
||||
</ClCompile>
|
||||
<ResourceCompile>
|
||||
<PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<Culture>0x0409</Culture>
|
||||
</ResourceCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<SubSystem>Console</SubSystem>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<ProjectReference Include="..\..\SDL\SDL.vcxproj">
|
||||
<Project>{81ce8daf-ebb2-4761-8e45-b71abcca8c68}</Project>
|
||||
<Private>false</Private>
|
||||
<CopyLocalSatelliteAssemblies>false</CopyLocalSatelliteAssemblies>
|
||||
<ReferenceOutputAssembly>true</ReferenceOutputAssembly>
|
||||
</ProjectReference>
|
||||
<ProjectReference Include="..\..\SDLmain\SDLmain.vcxproj">
|
||||
<Project>{da956fd3-e142-46f2-9dd5-c78bebb56b7a}</Project>
|
||||
<Private>false</Private>
|
||||
<CopyLocalSatelliteAssemblies>false</CopyLocalSatelliteAssemblies>
|
||||
<ReferenceOutputAssembly>true</ReferenceOutputAssembly>
|
||||
</ProjectReference>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\..\..\Test\testsurround.c" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
|
|
@ -23,6 +23,7 @@ add_executable(checkkeys checkkeys.c)
|
|||
add_executable(checkkeysthreads checkkeysthreads.c)
|
||||
add_executable(loopwave loopwave.c)
|
||||
add_executable(loopwavequeue loopwavequeue.c)
|
||||
add_executable(testsurround testsurround.c)
|
||||
add_executable(testresample testresample.c)
|
||||
add_executable(testaudioinfo testaudioinfo.c)
|
||||
|
||||
|
|
|
|||
|
|
@ -62,6 +62,7 @@ TARGETS = \
|
|||
testsprite2$(EXE) \
|
||||
testspriteminimal$(EXE) \
|
||||
teststreaming$(EXE) \
|
||||
testsurround$(EXE) \
|
||||
testthread$(EXE) \
|
||||
testtimer$(EXE) \
|
||||
testurl$(EXE) \
|
||||
|
|
@ -95,6 +96,9 @@ loopwave$(EXE): $(srcdir)/loopwave.c
|
|||
loopwavequeue$(EXE): $(srcdir)/loopwavequeue.c
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
|
||||
|
||||
testsurround$(EXE): $(srcdir)/testsurround.c
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
|
||||
|
||||
testresample$(EXE): $(srcdir)/testresample.c
|
||||
$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
|
||||
|
||||
|
|
|
|||
|
|
@ -4,6 +4,7 @@ These are test programs for the SDL library:
|
|||
checkkeys Watch the key events to check the keyboard
|
||||
loopwave Audio test -- loop playing a WAV file
|
||||
loopwavequeue Audio test -- loop playing a WAV file with SDL_QueueAudio
|
||||
testsurround Audio test -- play test tone on each audio channel
|
||||
testaudioinfo Lists audio device capabilities
|
||||
testerror Tests multi-threaded error handling
|
||||
testfile Tests RWops layer
|
||||
|
|
|
|||
202
test/testsurround.c
Normal file
202
test/testsurround.c
Normal file
|
|
@ -0,0 +1,202 @@
|
|||
/*
|
||||
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
|
||||
|
||||
This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
arising from the use of this software.
|
||||
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it
|
||||
freely.
|
||||
*/
|
||||
|
||||
/* Program to test surround sound audio channels */
|
||||
#include "SDL_config.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "SDL.h"
|
||||
|
||||
static int total_channels;
|
||||
static int active_channel;
|
||||
|
||||
#define SAMPLE_RATE_HZ 48000
|
||||
#define CHANNEL_TEST_TIME_SEC 5
|
||||
#define MAX_AMPLITUDE SDL_MAX_SINT16
|
||||
|
||||
#define SINE_FREQ_HZ 500
|
||||
#define LFE_SINE_FREQ_HZ 50
|
||||
|
||||
/* The channel layout is defined in SDL_audio.h */
|
||||
const char*
|
||||
get_channel_name(int channel_index, int channel_count)
|
||||
{
|
||||
switch (channel_index) {
|
||||
case 0:
|
||||
return "Front Left";
|
||||
case 1:
|
||||
return "Front Right";
|
||||
case 2:
|
||||
switch (channel_count) {
|
||||
case 3:
|
||||
return "Low Frequency Effects";
|
||||
case 4:
|
||||
return "Back Left";
|
||||
default:
|
||||
return "Front Center";
|
||||
}
|
||||
case 3:
|
||||
switch (channel_count) {
|
||||
case 4:
|
||||
return "Back Right";
|
||||
case 5:
|
||||
return "Back Left";
|
||||
default:
|
||||
return "Low Frequency Effects";
|
||||
}
|
||||
case 4:
|
||||
switch (channel_count) {
|
||||
case 5:
|
||||
return "Back Right";
|
||||
case 7:
|
||||
return "Back Center";
|
||||
case 6:
|
||||
case 8:
|
||||
return "Back Left";
|
||||
}
|
||||
case 5:
|
||||
switch (channel_count) {
|
||||
case 7:
|
||||
return "Back Left";
|
||||
case 6:
|
||||
case 8:
|
||||
return "Back Right";
|
||||
}
|
||||
case 6:
|
||||
switch (channel_count) {
|
||||
case 7:
|
||||
return "Back Right";
|
||||
case 8:
|
||||
return "Side Left";
|
||||
}
|
||||
case 7:
|
||||
return "Side Right";
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
SDL_bool
|
||||
is_lfe_channel(int channel_index, int channel_count)
|
||||
{
|
||||
return (channel_count == 3 && channel_index == 2) || (channel_count >= 6 && channel_index == 3);
|
||||
}
|
||||
|
||||
void SDLCALL
|
||||
fill_buffer(void* unused, Uint8* stream, int len)
|
||||
{
|
||||
Sint16* buffer = (Sint16*)stream;
|
||||
int samples = len / sizeof(int16_t);
|
||||
static int total_samples = 0;
|
||||
int i;
|
||||
|
||||
SDL_memset(stream, 0, len);
|
||||
|
||||
/* This can happen for a short time when switching devices */
|
||||
if (active_channel == total_channels) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* Play a sine wave on the active channel only */
|
||||
for (i = active_channel; i < samples; i += total_channels) {
|
||||
float time = (float)total_samples++ / SAMPLE_RATE_HZ;
|
||||
int sine_freq = is_lfe_channel(active_channel, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ;
|
||||
int amplitude;
|
||||
|
||||
/* Gradually ramp up and down to avoid audible pops when switching between channels */
|
||||
if (total_samples < SAMPLE_RATE_HZ) {
|
||||
amplitude = total_samples * MAX_AMPLITUDE / SAMPLE_RATE_HZ;
|
||||
} else if (total_samples > (CHANNEL_TEST_TIME_SEC - 1) * SAMPLE_RATE_HZ) {
|
||||
amplitude = (CHANNEL_TEST_TIME_SEC * SAMPLE_RATE_HZ - total_samples) * MAX_AMPLITUDE / SAMPLE_RATE_HZ;
|
||||
} else {
|
||||
amplitude = MAX_AMPLITUDE;
|
||||
}
|
||||
|
||||
buffer[i] = (Sint16)(SDL_sin(6.283185f * sine_freq * time) * amplitude);
|
||||
|
||||
/* Reset our state for next callback if this channel test is finished */
|
||||
if (total_samples == CHANNEL_TEST_TIME_SEC * SAMPLE_RATE_HZ) {
|
||||
total_samples = 0;
|
||||
active_channel++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
int i;
|
||||
|
||||
/* Enable standard application logging */
|
||||
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
|
||||
|
||||
if (SDL_Init(SDL_INIT_AUDIO) < 0) {
|
||||
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Show the list of available drivers */
|
||||
SDL_Log("Available audio drivers:");
|
||||
for (i = 0; i < SDL_GetNumAudioDrivers(); ++i) {
|
||||
SDL_Log("%i: %s", i, SDL_GetAudioDriver(i));
|
||||
}
|
||||
|
||||
SDL_Log("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
|
||||
|
||||
for (i = 0; i < SDL_GetNumAudioDevices(0); i++) {
|
||||
const char *devname = SDL_GetAudioDeviceName(i, 0);
|
||||
int j;
|
||||
SDL_AudioSpec spec;
|
||||
SDL_AudioDeviceID dev;
|
||||
|
||||
if (SDL_GetAudioDeviceSpec(i, 0, &spec) != 0) {
|
||||
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioSpec() failed: %s\n", SDL_GetError());
|
||||
continue;
|
||||
}
|
||||
|
||||
spec.freq = SAMPLE_RATE_HZ;
|
||||
spec.format = AUDIO_S16SYS;
|
||||
spec.samples = 4096;
|
||||
spec.callback = fill_buffer;
|
||||
|
||||
dev = SDL_OpenAudioDevice(devname, 0, &spec, NULL, 0);
|
||||
if (dev == 0) {
|
||||
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_OpenAudioDevice() failed: %s\n", SDL_GetError());
|
||||
continue;
|
||||
}
|
||||
|
||||
SDL_Log("Testing audio device: %s (%d channels)\n", devname, spec.channels);
|
||||
|
||||
/* These are used by the fill_buffer callback */
|
||||
total_channels = spec.channels;
|
||||
active_channel = 0;
|
||||
|
||||
SDL_PauseAudioDevice(dev, 0);
|
||||
|
||||
for (j = 0; j < total_channels; j++) {
|
||||
int sine_freq = is_lfe_channel(j, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ;
|
||||
|
||||
SDL_Log("Playing %d Hz test tone on channel: %s\n", sine_freq, get_channel_name(j, total_channels));
|
||||
|
||||
/* fill_buffer() will increment the active channel */
|
||||
SDL_Delay(CHANNEL_TEST_TIME_SEC * 1000);
|
||||
}
|
||||
|
||||
SDL_CloseAudioDevice(dev);
|
||||
}
|
||||
|
||||
SDL_Quit();
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in a new issue