mirror of
https://github.com/thunderbrewhq/thunderbrew
synced 2025-10-28 14:56:06 +03:00
1302 lines
49 KiB
C
1302 lines
49 KiB
C
/**
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* Original code: automated SDL audio test written by Edgar Simo "bobbens"
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* New/updated tests: aschiffler at ferzkopp dot net
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*/
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/* quiet windows compiler warnings */
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#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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#include <math.h>
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#include <stdio.h>
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#include <string.h>
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#include "SDL.h"
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#include "SDL_test.h"
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/* ================= Test Case Implementation ================== */
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/* Fixture */
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void _audioSetUp(void *arg)
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{
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/* Start SDL audio subsystem */
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int ret = SDL_InitSubSystem(SDL_INIT_AUDIO);
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SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_AUDIO)");
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SDLTest_AssertCheck(ret == 0, "Check result from SDL_InitSubSystem(SDL_INIT_AUDIO)");
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if (ret != 0) {
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SDLTest_LogError("%s", SDL_GetError());
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}
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}
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void _audioTearDown(void *arg)
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{
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/* Remove a possibly created file from SDL disk writer audio driver; ignore errors */
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(void)remove("sdlaudio.raw");
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SDLTest_AssertPass("Cleanup of test files completed");
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}
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/* Global counter for callback invocation */
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int _audio_testCallbackCounter;
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/* Global accumulator for total callback length */
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int _audio_testCallbackLength;
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/* Test callback function */
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void SDLCALL _audio_testCallback(void *userdata, Uint8 *stream, int len)
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{
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/* track that callback was called */
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_audio_testCallbackCounter++;
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_audio_testCallbackLength += len;
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}
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#if defined(__linux__)
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/* Linux builds can include many audio drivers, but some are very
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* obscure and typically unsupported on modern systems. They will
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* be skipped in tests that run against all included drivers, as
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* they are basically guaranteed to fail.
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*/
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static SDL_bool DriverIsProblematic(const char *driver)
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{
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static const char *driverList[] = {
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/* Omnipresent in Linux builds, but deprecated since 2002,
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* very rarely used on Linux nowadays, and is almost certainly
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* guaranteed to fail.
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*/
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"dsp",
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/* OpenBSD sound API. Can be used on Linux, but very rare. */
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"sndio",
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/* Always fails on initialization and/or opening a device.
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* Does anyone or anything actually use this?
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*/
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"nas"
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};
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int i;
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for (i = 0; i < SDL_arraysize(driverList); ++i) {
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if (SDL_strcmp(driver, driverList[i]) == 0) {
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return SDL_TRUE;
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}
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}
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return SDL_FALSE;
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}
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#endif
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/* Test case functions */
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/**
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* \brief Stop and restart audio subsystem
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*
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* \sa https://wiki.libsdl.org/SDL_QuitSubSystem
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* \sa https://wiki.libsdl.org/SDL_InitSubSystem
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*/
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int audio_quitInitAudioSubSystem()
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{
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/* Stop SDL audio subsystem */
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SDL_QuitSubSystem(SDL_INIT_AUDIO);
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SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)");
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/* Restart audio again */
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_audioSetUp(NULL);
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return TEST_COMPLETED;
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}
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/**
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* \brief Start and stop audio directly
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*
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* \sa https://wiki.libsdl.org/SDL_InitAudio
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* \sa https://wiki.libsdl.org/SDL_QuitAudio
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*/
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int audio_initQuitAudio()
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{
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int result;
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int i, iMax;
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const char *audioDriver;
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const char *hint = SDL_GetHint(SDL_HINT_AUDIODRIVER);
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/* Stop SDL audio subsystem */
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SDL_QuitSubSystem(SDL_INIT_AUDIO);
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SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)");
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/* Was a specific driver requested? */
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audioDriver = SDL_GetHint(SDL_HINT_AUDIODRIVER);
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if (audioDriver == NULL) {
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/* Loop over all available audio drivers */
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iMax = SDL_GetNumAudioDrivers();
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SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()");
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SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax);
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} else {
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/* A specific driver was requested for testing */
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iMax = 1;
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}
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for (i = 0; i < iMax; i++) {
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if (audioDriver == NULL) {
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audioDriver = SDL_GetAudioDriver(i);
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SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i);
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SDLTest_Assert(audioDriver != NULL, "Audio driver name is not NULL");
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SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* NOLINT(clang-analyzer-core.NullDereference): Checked for NULL above */
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#if defined(__linux__)
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if (DriverIsProblematic(audioDriver)) {
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SDLTest_Log("Audio driver '%s' flagged as problematic: skipping init/quit test (set SDL_AUDIODRIVER=%s to force)", audioDriver, audioDriver);
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audioDriver = NULL;
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continue;
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}
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#endif
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}
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if (hint && SDL_strcmp(audioDriver, hint) != 0) {
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continue;
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}
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/* Call Init */
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result = SDL_AudioInit(audioDriver);
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SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver);
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SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
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/* Call Quit */
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SDL_AudioQuit();
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SDLTest_AssertPass("Call to SDL_AudioQuit()");
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audioDriver = NULL;
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}
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/* NULL driver specification */
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audioDriver = NULL;
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/* Call Init */
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result = SDL_AudioInit(audioDriver);
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SDLTest_AssertPass("Call to SDL_AudioInit(NULL)");
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SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
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/* Call Quit */
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SDL_AudioQuit();
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SDLTest_AssertPass("Call to SDL_AudioQuit()");
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/* Restart audio again */
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_audioSetUp(NULL);
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return TEST_COMPLETED;
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}
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/**
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* \brief Start, open, close and stop audio
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*
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* \sa https://wiki.libsdl.org/SDL_InitAudio
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* \sa https://wiki.libsdl.org/SDL_OpenAudio
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* \sa https://wiki.libsdl.org/SDL_CloseAudio
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* \sa https://wiki.libsdl.org/SDL_QuitAudio
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*/
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int audio_initOpenCloseQuitAudio()
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{
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int result, expectedResult;
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int i, iMax, j, k;
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const char *audioDriver;
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SDL_AudioSpec desired;
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const char *hint = SDL_GetHint(SDL_HINT_AUDIODRIVER);
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/* Stop SDL audio subsystem */
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SDL_QuitSubSystem(SDL_INIT_AUDIO);
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SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)");
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/* Was a specific driver requested? */
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audioDriver = SDL_GetHint(SDL_HINT_AUDIODRIVER);
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if (audioDriver == NULL) {
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/* Loop over all available audio drivers */
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iMax = SDL_GetNumAudioDrivers();
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SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()");
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SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax);
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} else {
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/* A specific driver was requested for testing */
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iMax = 1;
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}
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for (i = 0; i < iMax; i++) {
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if (audioDriver == NULL) {
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audioDriver = SDL_GetAudioDriver(i);
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SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i);
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SDLTest_Assert(audioDriver != NULL, "Audio driver name is not NULL");
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SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* NOLINT(clang-analyzer-core.NullDereference): Checked for NULL above */
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#if defined(__linux__)
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if (DriverIsProblematic(audioDriver)) {
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SDLTest_Log("Audio driver '%s' flagged as problematic: skipping device open/close test (set SDL_AUDIODRIVER=%s to force)", audioDriver, audioDriver);
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audioDriver = NULL;
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continue;
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}
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#endif
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}
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if (hint && SDL_strcmp(audioDriver, hint) != 0) {
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continue;
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}
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/* Change specs */
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for (j = 0; j < 2; j++) {
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/* Call Init */
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result = SDL_AudioInit(audioDriver);
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SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver);
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SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
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/* Check for output devices */
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result = SDL_GetNumAudioDevices(SDL_FALSE);
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SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(SDL_FALSE)");
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SDLTest_AssertCheck(result >= 0, "Validate result value; expected: >=0 got: %d", result);
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if (result <= 0) {
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SDLTest_Log("No output devices for '%s': skipping device open/close test", audioDriver);
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SDL_AudioQuit();
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SDLTest_AssertPass("Call to SDL_AudioQuit()");
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break;
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}
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/* Set spec */
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SDL_memset(&desired, 0, sizeof(desired));
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switch (j) {
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case 0:
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/* Set standard desired spec */
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desired.freq = 22050;
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desired.format = AUDIO_S16SYS;
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desired.channels = 2;
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desired.samples = 4096;
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desired.callback = _audio_testCallback;
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desired.userdata = NULL;
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break;
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case 1:
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/* Set custom desired spec */
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desired.freq = 48000;
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desired.format = AUDIO_F32SYS;
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desired.channels = 2;
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desired.samples = 2048;
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desired.callback = _audio_testCallback;
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desired.userdata = NULL;
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break;
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}
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/* Call Open (maybe multiple times) */
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for (k = 0; k <= j; k++) {
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result = SDL_OpenAudio(&desired, NULL);
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SDLTest_AssertPass("Call to SDL_OpenAudio(desired_spec_%d, NULL), call %d", j, k + 1);
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expectedResult = (k == 0) ? 0 : -1;
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SDLTest_AssertCheck(result == expectedResult, "Verify return value; expected: %d, got: %d", expectedResult, result);
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}
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/* Call Close (maybe multiple times) */
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for (k = 0; k <= j; k++) {
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SDL_CloseAudio();
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SDLTest_AssertPass("Call to SDL_CloseAudio(), call %d", k + 1);
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}
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/* Call Quit (maybe multiple times) */
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for (k = 0; k <= j; k++) {
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SDL_AudioQuit();
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SDLTest_AssertPass("Call to SDL_AudioQuit(), call %d", k + 1);
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}
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} /* spec loop */
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audioDriver = NULL;
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} /* driver loop */
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/* Restart audio again */
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_audioSetUp(NULL);
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return TEST_COMPLETED;
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}
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/**
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* \brief Pause and unpause audio
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*
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* \sa https://wiki.libsdl.org/SDL_PauseAudio
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*/
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int audio_pauseUnpauseAudio()
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{
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int result;
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int i, iMax, j, k, l;
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int totalDelay;
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int pause_on;
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int originalCounter;
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const char *audioDriver;
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SDL_AudioSpec desired;
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const char *hint = SDL_GetHint(SDL_HINT_AUDIODRIVER);
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/* Stop SDL audio subsystem */
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SDL_QuitSubSystem(SDL_INIT_AUDIO);
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SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)");
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/* Was a specific driver requested? */
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audioDriver = SDL_GetHint(SDL_HINT_AUDIODRIVER);
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if (audioDriver == NULL) {
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/* Loop over all available audio drivers */
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iMax = SDL_GetNumAudioDrivers();
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SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()");
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SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax);
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} else {
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/* A specific driver was requested for testing */
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iMax = 1;
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}
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for (i = 0; i < iMax; i++) {
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if (audioDriver == NULL) {
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audioDriver = SDL_GetAudioDriver(i);
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SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i);
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SDLTest_Assert(audioDriver != NULL, "Audio driver name is not NULL");
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SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* NOLINT(clang-analyzer-core.NullDereference): Checked for NULL above */
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#if defined(__linux__)
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if (DriverIsProblematic(audioDriver)) {
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SDLTest_Log("Audio driver '%s' flagged as problematic: skipping pause/unpause test (set SDL_AUDIODRIVER=%s to force)", audioDriver, audioDriver);
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audioDriver = NULL;
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continue;
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}
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#endif
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}
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if (hint && SDL_strcmp(audioDriver, hint) != 0) {
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continue;
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}
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/* Change specs */
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for (j = 0; j < 2; j++) {
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/* Call Init */
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result = SDL_AudioInit(audioDriver);
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SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver);
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SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
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result = SDL_GetNumAudioDevices(SDL_FALSE);
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SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(SDL_FALSE)");
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SDLTest_AssertCheck(result >= 0, "Validate result value; expected: >=0 got: %d", result);
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if (result <= 0) {
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SDLTest_Log("No output devices for '%s': skipping pause/unpause test", audioDriver);
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SDL_AudioQuit();
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SDLTest_AssertPass("Call to SDL_AudioQuit()");
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break;
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}
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/* Set spec */
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SDL_memset(&desired, 0, sizeof(desired));
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switch (j) {
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case 0:
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/* Set standard desired spec */
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desired.freq = 22050;
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desired.format = AUDIO_S16SYS;
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desired.channels = 2;
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desired.samples = 4096;
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desired.callback = _audio_testCallback;
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desired.userdata = NULL;
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break;
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case 1:
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/* Set custom desired spec */
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desired.freq = 48000;
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desired.format = AUDIO_F32SYS;
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desired.channels = 2;
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desired.samples = 2048;
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desired.callback = _audio_testCallback;
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desired.userdata = NULL;
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break;
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}
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/* Call Open */
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result = SDL_OpenAudio(&desired, NULL);
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SDLTest_AssertPass("Call to SDL_OpenAudio(desired_spec_%d, NULL)", j);
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SDLTest_AssertCheck(result == 0, "Verify return value; expected: 0 got: %d", result);
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/* Start and stop audio multiple times */
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for (l = 0; l < 3; l++) {
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SDLTest_Log("Pause/Unpause iteration: %d", l + 1);
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/* Reset callback counters */
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_audio_testCallbackCounter = 0;
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_audio_testCallbackLength = 0;
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/* Un-pause audio to start playing (maybe multiple times) */
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pause_on = 0;
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for (k = 0; k <= j; k++) {
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SDL_PauseAudio(pause_on);
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SDLTest_AssertPass("Call to SDL_PauseAudio(%d), call %d", pause_on, k + 1);
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}
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/* Wait for callback */
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totalDelay = 0;
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do {
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SDL_Delay(10);
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totalDelay += 10;
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} while (_audio_testCallbackCounter == 0 && totalDelay < 1000);
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SDLTest_AssertCheck(_audio_testCallbackCounter > 0, "Verify callback counter; expected: >0 got: %d", _audio_testCallbackCounter);
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SDLTest_AssertCheck(_audio_testCallbackLength > 0, "Verify callback length; expected: >0 got: %d", _audio_testCallbackLength);
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/* Pause audio to stop playing (maybe multiple times) */
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for (k = 0; k <= j; k++) {
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pause_on = (k == 0) ? 1 : SDLTest_RandomIntegerInRange(99, 9999);
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SDL_PauseAudio(pause_on);
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SDLTest_AssertPass("Call to SDL_PauseAudio(%d), call %d", pause_on, k + 1);
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}
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/* Ensure callback is not called again */
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originalCounter = _audio_testCallbackCounter;
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SDL_Delay(totalDelay + 10);
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SDLTest_AssertCheck(originalCounter == _audio_testCallbackCounter, "Verify callback counter; expected: %d, got: %d", originalCounter, _audio_testCallbackCounter);
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}
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/* Call Close */
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SDL_CloseAudio();
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SDLTest_AssertPass("Call to SDL_CloseAudio()");
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/* Call Quit */
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SDL_AudioQuit();
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SDLTest_AssertPass("Call to SDL_AudioQuit()");
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} /* spec loop */
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audioDriver = NULL;
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} /* driver loop */
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/* Restart audio again */
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_audioSetUp(NULL);
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return TEST_COMPLETED;
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}
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|
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/**
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* \brief Enumerate and name available audio devices (output and capture).
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*
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* \sa https://wiki.libsdl.org/SDL_GetNumAudioDevices
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* \sa https://wiki.libsdl.org/SDL_GetAudioDeviceName
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*/
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int audio_enumerateAndNameAudioDevices()
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{
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int t, tt;
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int i, n, nn;
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const char *name, *nameAgain;
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/* Iterate over types: t=0 output device, t=1 input/capture device */
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for (t = 0; t < 2; t++) {
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/* Get number of devices. */
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n = SDL_GetNumAudioDevices(t);
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SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(%i)", t);
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SDLTest_Log("Number of %s devices < 0, reported as %i", (t) ? "capture" : "output", n);
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SDLTest_AssertCheck(n >= 0, "Validate result is >= 0, got: %i", n);
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/* Variation of non-zero type */
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if (t == 1) {
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tt = t + SDLTest_RandomIntegerInRange(1, 10);
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nn = SDL_GetNumAudioDevices(tt);
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SDLTest_AssertCheck(n == nn, "Verify result from SDL_GetNumAudioDevices(%i), expected same number of audio devices %i, got %i", tt, n, nn);
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nn = SDL_GetNumAudioDevices(-tt);
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SDLTest_AssertCheck(n == nn, "Verify result from SDL_GetNumAudioDevices(%i), expected same number of audio devices %i, got %i", -tt, n, nn);
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}
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/* List devices. */
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if (n > 0) {
|
|
for (i = 0; i < n; i++) {
|
|
name = SDL_GetAudioDeviceName(i, t);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t);
|
|
SDLTest_AssertCheck(name != NULL, "Verify result from SDL_GetAudioDeviceName(%i, %i) is not NULL", i, t);
|
|
if (name != NULL) {
|
|
SDLTest_AssertCheck(name[0] != '\0', "verify result from SDL_GetAudioDeviceName(%i, %i) is not empty, got: '%s'", i, t, name);
|
|
if (t == 1) {
|
|
/* Also try non-zero type */
|
|
tt = t + SDLTest_RandomIntegerInRange(1, 10);
|
|
nameAgain = SDL_GetAudioDeviceName(i, tt);
|
|
SDLTest_AssertCheck(nameAgain != NULL, "Verify result from SDL_GetAudioDeviceName(%i, %i) is not NULL", i, tt);
|
|
if (nameAgain != NULL) {
|
|
SDLTest_AssertCheck(nameAgain[0] != '\0', "Verify result from SDL_GetAudioDeviceName(%i, %i) is not empty, got: '%s'", i, tt, nameAgain);
|
|
SDLTest_AssertCheck(SDL_strcmp(name, nameAgain) == 0,
|
|
"Verify SDL_GetAudioDeviceName(%i, %i) and SDL_GetAudioDeviceName(%i %i) return the same string",
|
|
i, t, i, tt);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Negative tests around enumeration and naming of audio devices.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_GetNumAudioDevices
|
|
* \sa https://wiki.libsdl.org/SDL_GetAudioDeviceName
|
|
*/
|
|
int audio_enumerateAndNameAudioDevicesNegativeTests()
|
|
{
|
|
int t;
|
|
int i, j, no, nc;
|
|
const char *name;
|
|
|
|
/* Get number of devices. */
|
|
no = SDL_GetNumAudioDevices(0);
|
|
SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)");
|
|
nc = SDL_GetNumAudioDevices(1);
|
|
SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(1)");
|
|
|
|
/* Invalid device index when getting name */
|
|
for (t = 0; t < 2; t++) {
|
|
/* Negative device index */
|
|
i = SDLTest_RandomIntegerInRange(-10, -1);
|
|
name = SDL_GetAudioDeviceName(i, t);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t);
|
|
SDLTest_AssertCheck(name == NULL, "Check SDL_GetAudioDeviceName(%i, %i) result NULL, expected NULL, got: %s", i, t, (name == NULL) ? "NULL" : name);
|
|
|
|
/* Device index past range */
|
|
for (j = 0; j < 3; j++) {
|
|
i = (t) ? nc + j : no + j;
|
|
name = SDL_GetAudioDeviceName(i, t);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t);
|
|
SDLTest_AssertCheck(name == NULL, "Check SDL_GetAudioDeviceName(%i, %i) result, expected: NULL, got: %s", i, t, (name == NULL) ? "NULL" : name);
|
|
}
|
|
|
|
/* Capture index past capture range but within output range */
|
|
if ((no > 0) && (no > nc) && (t == 1)) {
|
|
i = no - 1;
|
|
name = SDL_GetAudioDeviceName(i, t);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i, %i)", i, t);
|
|
SDLTest_AssertCheck(name == NULL, "Check SDL_GetAudioDeviceName(%i, %i) result, expected: NULL, got: %s", i, t, (name == NULL) ? "NULL" : name);
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks available audio driver names.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_GetNumAudioDrivers
|
|
* \sa https://wiki.libsdl.org/SDL_GetAudioDriver
|
|
*/
|
|
int audio_printAudioDrivers()
|
|
{
|
|
int i, n;
|
|
const char *name;
|
|
|
|
/* Get number of drivers */
|
|
n = SDL_GetNumAudioDrivers();
|
|
SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()");
|
|
SDLTest_AssertCheck(n >= 0, "Verify number of audio drivers >= 0, got: %i", n);
|
|
|
|
/* List drivers. */
|
|
if (n > 0) {
|
|
for (i = 0; i < n; i++) {
|
|
name = SDL_GetAudioDriver(i);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioDriver(%i)", i);
|
|
SDLTest_AssertCheck(name != NULL, "Verify returned name is not NULL");
|
|
if (name != NULL) {
|
|
SDLTest_AssertCheck(name[0] != '\0', "Verify returned name is not empty, got: '%s'", name);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks current audio driver name with initialized audio.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_GetCurrentAudioDriver
|
|
*/
|
|
int audio_printCurrentAudioDriver()
|
|
{
|
|
/* Check current audio driver */
|
|
const char *name = SDL_GetCurrentAudioDriver();
|
|
SDLTest_AssertPass("Call to SDL_GetCurrentAudioDriver()");
|
|
SDLTest_AssertCheck(name != NULL, "Verify returned name is not NULL");
|
|
if (name != NULL) {
|
|
SDLTest_AssertCheck(name[0] != '\0', "Verify returned name is not empty, got: '%s'", name);
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/* Definition of all formats, channels, and frequencies used to test audio conversions */
|
|
const int _numAudioFormats = 18;
|
|
SDL_AudioFormat _audioFormats[] = { AUDIO_S8, AUDIO_U8, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_S16SYS, AUDIO_S16, AUDIO_U16LSB,
|
|
AUDIO_U16MSB, AUDIO_U16SYS, AUDIO_U16, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_S32SYS, AUDIO_S32,
|
|
AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_F32SYS, AUDIO_F32 };
|
|
const char *_audioFormatsVerbose[] = { "AUDIO_S8", "AUDIO_U8", "AUDIO_S16LSB", "AUDIO_S16MSB", "AUDIO_S16SYS", "AUDIO_S16", "AUDIO_U16LSB",
|
|
"AUDIO_U16MSB", "AUDIO_U16SYS", "AUDIO_U16", "AUDIO_S32LSB", "AUDIO_S32MSB", "AUDIO_S32SYS", "AUDIO_S32",
|
|
"AUDIO_F32LSB", "AUDIO_F32MSB", "AUDIO_F32SYS", "AUDIO_F32" };
|
|
const int _numAudioChannels = 4;
|
|
Uint8 _audioChannels[] = { 1, 2, 4, 6 };
|
|
const int _numAudioFrequencies = 4;
|
|
int _audioFrequencies[] = { 11025, 22050, 44100, 48000 };
|
|
|
|
/**
|
|
* \brief Builds various audio conversion structures
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_BuildAudioCVT
|
|
*/
|
|
int audio_buildAudioCVT()
|
|
{
|
|
int result;
|
|
SDL_AudioCVT cvt;
|
|
SDL_AudioSpec spec1;
|
|
SDL_AudioSpec spec2;
|
|
int i, ii, j, jj, k, kk;
|
|
|
|
/* No conversion needed */
|
|
spec1.format = AUDIO_S16LSB;
|
|
spec1.channels = 2;
|
|
spec1.freq = 22050;
|
|
result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq,
|
|
spec1.format, spec1.channels, spec1.freq);
|
|
SDLTest_AssertPass("Call to SDL_BuildAudioCVT(spec1 ==> spec1)");
|
|
SDLTest_AssertCheck(result == 0, "Verify result value; expected: 0, got: %i", result);
|
|
|
|
/* Typical conversion */
|
|
spec1.format = AUDIO_S8;
|
|
spec1.channels = 1;
|
|
spec1.freq = 22050;
|
|
spec2.format = AUDIO_S16LSB;
|
|
spec2.channels = 2;
|
|
spec2.freq = 44100;
|
|
result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
SDLTest_AssertPass("Call to SDL_BuildAudioCVT(spec1 ==> spec2)");
|
|
SDLTest_AssertCheck(result == 1, "Verify result value; expected: 1, got: %i", result);
|
|
|
|
/* All source conversions with random conversion targets, allow 'null' conversions */
|
|
for (i = 0; i < _numAudioFormats; i++) {
|
|
for (j = 0; j < _numAudioChannels; j++) {
|
|
for (k = 0; k < _numAudioFrequencies; k++) {
|
|
spec1.format = _audioFormats[i];
|
|
spec1.channels = _audioChannels[j];
|
|
spec1.freq = _audioFrequencies[k];
|
|
ii = SDLTest_RandomIntegerInRange(0, _numAudioFormats - 1);
|
|
jj = SDLTest_RandomIntegerInRange(0, _numAudioChannels - 1);
|
|
kk = SDLTest_RandomIntegerInRange(0, _numAudioFrequencies - 1);
|
|
spec2.format = _audioFormats[ii];
|
|
spec2.channels = _audioChannels[jj];
|
|
spec2.freq = _audioFrequencies[kk];
|
|
result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
SDLTest_AssertPass("Call to SDL_BuildAudioCVT(format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i ==> format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i)",
|
|
i, _audioFormatsVerbose[i], spec1.format, j, spec1.channels, k, spec1.freq, ii, _audioFormatsVerbose[ii], spec2.format, jj, spec2.channels, kk, spec2.freq);
|
|
SDLTest_AssertCheck(result == 0 || result == 1, "Verify result value; expected: 0 or 1, got: %i", result);
|
|
if (result < 0) {
|
|
SDLTest_LogError("%s", SDL_GetError());
|
|
} else {
|
|
SDLTest_AssertCheck(cvt.len_mult > 0, "Verify that cvt.len_mult value; expected: >0, got: %i", cvt.len_mult);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Checkes calls with invalid input to SDL_BuildAudioCVT
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_BuildAudioCVT
|
|
*/
|
|
int audio_buildAudioCVTNegative()
|
|
{
|
|
const char *expectedError = "Parameter 'cvt' is invalid";
|
|
const char *error;
|
|
int result;
|
|
SDL_AudioCVT cvt;
|
|
SDL_AudioSpec spec1;
|
|
SDL_AudioSpec spec2;
|
|
int i;
|
|
char message[256];
|
|
|
|
/* Valid format */
|
|
spec1.format = AUDIO_S8;
|
|
spec1.channels = 1;
|
|
spec1.freq = 22050;
|
|
spec2.format = AUDIO_S16LSB;
|
|
spec2.channels = 2;
|
|
spec2.freq = 44100;
|
|
|
|
SDL_ClearError();
|
|
SDLTest_AssertPass("Call to SDL_ClearError()");
|
|
|
|
/* NULL input for CVT buffer */
|
|
result = SDL_BuildAudioCVT((SDL_AudioCVT *)NULL, spec1.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
SDLTest_AssertPass("Call to SDL_BuildAudioCVT(NULL,...)");
|
|
SDLTest_AssertCheck(result == -1, "Verify result value; expected: -1, got: %i", result);
|
|
error = SDL_GetError();
|
|
SDLTest_AssertPass("Call to SDL_GetError()");
|
|
SDLTest_AssertCheck(error != NULL, "Validate that error message was not NULL");
|
|
if (error != NULL) {
|
|
SDLTest_AssertCheck(SDL_strcmp(error, expectedError) == 0,
|
|
"Validate error message, expected: '%s', got: '%s'", expectedError, error);
|
|
}
|
|
|
|
/* Invalid conversions */
|
|
for (i = 1; i < 64; i++) {
|
|
/* Valid format to start with */
|
|
spec1.format = AUDIO_S8;
|
|
spec1.channels = 1;
|
|
spec1.freq = 22050;
|
|
spec2.format = AUDIO_S16LSB;
|
|
spec2.channels = 2;
|
|
spec2.freq = 44100;
|
|
|
|
SDL_ClearError();
|
|
SDLTest_AssertPass("Call to SDL_ClearError()");
|
|
|
|
/* Set various invalid format inputs */
|
|
SDL_strlcpy(message, "Invalid: ", 256);
|
|
if (i & 1) {
|
|
SDL_strlcat(message, " spec1.format", 256);
|
|
spec1.format = 0;
|
|
}
|
|
if (i & 2) {
|
|
SDL_strlcat(message, " spec1.channels", 256);
|
|
spec1.channels = 0;
|
|
}
|
|
if (i & 4) {
|
|
SDL_strlcat(message, " spec1.freq", 256);
|
|
spec1.freq = 0;
|
|
}
|
|
if (i & 8) {
|
|
SDL_strlcat(message, " spec2.format", 256);
|
|
spec2.format = 0;
|
|
}
|
|
if (i & 16) {
|
|
SDL_strlcat(message, " spec2.channels", 256);
|
|
spec2.channels = 0;
|
|
}
|
|
if (i & 32) {
|
|
SDL_strlcat(message, " spec2.freq", 256);
|
|
spec2.freq = 0;
|
|
}
|
|
SDLTest_Log("%s", message);
|
|
result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
SDLTest_AssertPass("Call to SDL_BuildAudioCVT(spec1 ==> spec2)");
|
|
SDLTest_AssertCheck(result == -1, "Verify result value; expected: -1, got: %i", result);
|
|
error = SDL_GetError();
|
|
SDLTest_AssertPass("Call to SDL_GetError()");
|
|
SDLTest_AssertCheck(error != NULL && error[0] != '\0', "Validate that error message was not NULL or empty");
|
|
}
|
|
|
|
SDL_ClearError();
|
|
SDLTest_AssertPass("Call to SDL_ClearError()");
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks current audio status.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_GetAudioStatus
|
|
*/
|
|
int audio_getAudioStatus()
|
|
{
|
|
SDL_AudioStatus result;
|
|
|
|
/* Check current audio status */
|
|
result = SDL_GetAudioStatus();
|
|
SDLTest_AssertPass("Call to SDL_GetAudioStatus()");
|
|
SDLTest_AssertCheck(result == SDL_AUDIO_STOPPED || result == SDL_AUDIO_PLAYING || result == SDL_AUDIO_PAUSED,
|
|
"Verify returned value; expected: STOPPED (%i) | PLAYING (%i) | PAUSED (%i), got: %i",
|
|
SDL_AUDIO_STOPPED, SDL_AUDIO_PLAYING, SDL_AUDIO_PAUSED, result);
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Opens, checks current audio status, and closes a device.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_GetAudioStatus
|
|
*/
|
|
int audio_openCloseAndGetAudioStatus()
|
|
{
|
|
SDL_AudioStatus result;
|
|
int i;
|
|
int count;
|
|
const char *device;
|
|
SDL_AudioDeviceID id;
|
|
SDL_AudioSpec desired, obtained;
|
|
|
|
/* Get number of devices. */
|
|
count = SDL_GetNumAudioDevices(0);
|
|
SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)");
|
|
if (count > 0) {
|
|
for (i = 0; i < count; i++) {
|
|
/* Get device name */
|
|
device = SDL_GetAudioDeviceName(i, 0);
|
|
SDLTest_AssertPass("SDL_GetAudioDeviceName(%i,0)", i);
|
|
SDLTest_AssertCheck(device != NULL, "Validate device name is not NULL; got: %s", (device != NULL) ? device : "NULL");
|
|
if (device == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Set standard desired spec */
|
|
desired.freq = 22050;
|
|
desired.format = AUDIO_S16SYS;
|
|
desired.channels = 2;
|
|
desired.samples = 4096;
|
|
desired.callback = _audio_testCallback;
|
|
desired.userdata = NULL;
|
|
|
|
/* Open device */
|
|
id = SDL_OpenAudioDevice(device, 0, &desired, &obtained, SDL_AUDIO_ALLOW_ANY_CHANGE);
|
|
SDLTest_AssertPass("SDL_OpenAudioDevice('%s',...)", device);
|
|
SDLTest_AssertCheck(id > 1, "Validate device ID; expected: >=2, got: %" SDL_PRIu32, id);
|
|
if (id > 1) {
|
|
|
|
/* Check device audio status */
|
|
result = SDL_GetAudioDeviceStatus(id);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioDeviceStatus()");
|
|
SDLTest_AssertCheck(result == SDL_AUDIO_STOPPED || result == SDL_AUDIO_PLAYING || result == SDL_AUDIO_PAUSED,
|
|
"Verify returned value; expected: STOPPED (%i) | PLAYING (%i) | PAUSED (%i), got: %i",
|
|
SDL_AUDIO_STOPPED, SDL_AUDIO_PLAYING, SDL_AUDIO_PAUSED, result);
|
|
|
|
/* Close device again */
|
|
SDL_CloseAudioDevice(id);
|
|
SDLTest_AssertPass("Call to SDL_CloseAudioDevice()");
|
|
}
|
|
}
|
|
} else {
|
|
SDLTest_Log("No devices to test with");
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Locks and unlocks open audio device.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_LockAudioDevice
|
|
* \sa https://wiki.libsdl.org/SDL_UnlockAudioDevice
|
|
*/
|
|
int audio_lockUnlockOpenAudioDevice()
|
|
{
|
|
int i;
|
|
int count;
|
|
const char *device;
|
|
SDL_AudioDeviceID id;
|
|
SDL_AudioSpec desired, obtained;
|
|
|
|
/* Get number of devices. */
|
|
count = SDL_GetNumAudioDevices(0);
|
|
SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)");
|
|
if (count > 0) {
|
|
for (i = 0; i < count; i++) {
|
|
/* Get device name */
|
|
device = SDL_GetAudioDeviceName(i, 0);
|
|
SDLTest_AssertPass("SDL_GetAudioDeviceName(%i,0)", i);
|
|
SDLTest_AssertCheck(device != NULL, "Validate device name is not NULL; got: %s", (device != NULL) ? device : "NULL");
|
|
if (device == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Set standard desired spec */
|
|
desired.freq = 22050;
|
|
desired.format = AUDIO_S16SYS;
|
|
desired.channels = 2;
|
|
desired.samples = 4096;
|
|
desired.callback = _audio_testCallback;
|
|
desired.userdata = NULL;
|
|
|
|
/* Open device */
|
|
id = SDL_OpenAudioDevice(device, 0, &desired, &obtained, SDL_AUDIO_ALLOW_ANY_CHANGE);
|
|
SDLTest_AssertPass("SDL_OpenAudioDevice('%s',...)", device);
|
|
SDLTest_AssertCheck(id > 1, "Validate device ID; expected: >=2, got: %" SDL_PRIu32, id);
|
|
if (id > 1) {
|
|
/* Lock to protect callback */
|
|
SDL_LockAudioDevice(id);
|
|
SDLTest_AssertPass("SDL_LockAudioDevice(%" SDL_PRIu32 ")", id);
|
|
|
|
/* Simulate callback processing */
|
|
SDL_Delay(10);
|
|
SDLTest_Log("Simulate callback processing - delay");
|
|
|
|
/* Unlock again */
|
|
SDL_UnlockAudioDevice(id);
|
|
SDLTest_AssertPass("SDL_UnlockAudioDevice(%" SDL_PRIu32 ")", id);
|
|
|
|
/* Close device again */
|
|
SDL_CloseAudioDevice(id);
|
|
SDLTest_AssertPass("Call to SDL_CloseAudioDevice()");
|
|
}
|
|
}
|
|
} else {
|
|
SDLTest_Log("No devices to test with");
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Convert audio using various conversion structures
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_BuildAudioCVT
|
|
* \sa https://wiki.libsdl.org/SDL_ConvertAudio
|
|
*/
|
|
int audio_convertAudio()
|
|
{
|
|
int result;
|
|
SDL_AudioCVT cvt;
|
|
SDL_AudioSpec spec1;
|
|
SDL_AudioSpec spec2;
|
|
int c;
|
|
char message[128];
|
|
int i, ii, j, jj, k, kk, l, ll;
|
|
|
|
/* Iterate over bitmask that determines which parameters are modified in the conversion */
|
|
for (c = 1; c < 8; c++) {
|
|
SDL_strlcpy(message, "Changing:", 128);
|
|
if (c & 1) {
|
|
SDL_strlcat(message, " Format", 128);
|
|
}
|
|
if (c & 2) {
|
|
SDL_strlcat(message, " Channels", 128);
|
|
}
|
|
if (c & 4) {
|
|
SDL_strlcat(message, " Frequencies", 128);
|
|
}
|
|
SDLTest_Log("%s", message);
|
|
/* All source conversions with random conversion targets */
|
|
for (i = 0; i < _numAudioFormats; i++) {
|
|
for (j = 0; j < _numAudioChannels; j++) {
|
|
for (k = 0; k < _numAudioFrequencies; k++) {
|
|
spec1.format = _audioFormats[i];
|
|
spec1.channels = _audioChannels[j];
|
|
spec1.freq = _audioFrequencies[k];
|
|
|
|
/* Ensure we have a different target format */
|
|
do {
|
|
if (c & 1) {
|
|
ii = SDLTest_RandomIntegerInRange(0, _numAudioFormats - 1);
|
|
} else {
|
|
ii = 1;
|
|
}
|
|
if (c & 2) {
|
|
jj = SDLTest_RandomIntegerInRange(0, _numAudioChannels - 1);
|
|
} else {
|
|
jj = j;
|
|
}
|
|
if (c & 4) {
|
|
kk = SDLTest_RandomIntegerInRange(0, _numAudioFrequencies - 1);
|
|
} else {
|
|
kk = k;
|
|
}
|
|
} while ((i == ii) && (j == jj) && (k == kk));
|
|
spec2.format = _audioFormats[ii];
|
|
spec2.channels = _audioChannels[jj];
|
|
spec2.freq = _audioFrequencies[kk];
|
|
|
|
result = SDL_BuildAudioCVT(&cvt, spec1.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
SDLTest_AssertPass("Call to SDL_BuildAudioCVT(format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i ==> format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i)",
|
|
i, _audioFormatsVerbose[i], spec1.format, j, spec1.channels, k, spec1.freq, ii, _audioFormatsVerbose[ii], spec2.format, jj, spec2.channels, kk, spec2.freq);
|
|
SDLTest_AssertCheck(result == 1, "Verify result value; expected: 1, got: %i", result);
|
|
if (result != 1) {
|
|
SDLTest_LogError("%s", SDL_GetError());
|
|
} else {
|
|
SDLTest_AssertCheck(cvt.len_mult > 0, "Verify that cvt.len_mult value; expected: >0, got: %i", cvt.len_mult);
|
|
if (cvt.len_mult < 1) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Create some random data to convert */
|
|
l = 64;
|
|
ll = l * cvt.len_mult;
|
|
SDLTest_Log("Creating dummy sample buffer of %i length (%i bytes)", l, ll);
|
|
cvt.len = l;
|
|
cvt.buf = (Uint8 *)SDL_malloc(ll);
|
|
SDLTest_AssertCheck(cvt.buf != NULL, "Check data buffer to convert is not NULL");
|
|
if (cvt.buf == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Convert the data */
|
|
result = SDL_ConvertAudio(&cvt);
|
|
SDLTest_AssertPass("Call to SDL_ConvertAudio()");
|
|
SDLTest_AssertCheck(result == 0, "Verify result value; expected: 0; got: %i", result);
|
|
SDLTest_AssertCheck(cvt.buf != NULL, "Verify conversion buffer is not NULL");
|
|
SDLTest_AssertCheck(cvt.len_ratio > 0.0, "Verify conversion length ratio; expected: >0; got: %f", cvt.len_ratio);
|
|
|
|
/* Free converted buffer */
|
|
SDL_free(cvt.buf);
|
|
cvt.buf = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Opens, checks current connected status, and closes a device.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_AudioDeviceConnected
|
|
*/
|
|
int audio_openCloseAudioDeviceConnected()
|
|
{
|
|
int result = -1;
|
|
int i;
|
|
int count;
|
|
const char *device;
|
|
SDL_AudioDeviceID id;
|
|
SDL_AudioSpec desired, obtained;
|
|
|
|
/* Get number of devices. */
|
|
count = SDL_GetNumAudioDevices(0);
|
|
SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(0)");
|
|
if (count > 0) {
|
|
for (i = 0; i < count; i++) {
|
|
/* Get device name */
|
|
device = SDL_GetAudioDeviceName(i, 0);
|
|
SDLTest_AssertPass("SDL_GetAudioDeviceName(%i,0)", i);
|
|
SDLTest_AssertCheck(device != NULL, "Validate device name is not NULL; got: %s", (device != NULL) ? device : "NULL");
|
|
if (device == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Set standard desired spec */
|
|
desired.freq = 22050;
|
|
desired.format = AUDIO_S16SYS;
|
|
desired.channels = 2;
|
|
desired.samples = 4096;
|
|
desired.callback = _audio_testCallback;
|
|
desired.userdata = NULL;
|
|
|
|
/* Open device */
|
|
id = SDL_OpenAudioDevice(device, 0, &desired, &obtained, SDL_AUDIO_ALLOW_ANY_CHANGE);
|
|
SDLTest_AssertPass("SDL_OpenAudioDevice('%s',...)", device);
|
|
SDLTest_AssertCheck(id > 1, "Validate device ID; expected: >1, got: %" SDL_PRIu32, id);
|
|
if (id > 1) {
|
|
|
|
/* TODO: enable test code when function is available in SDL2 */
|
|
|
|
#ifdef AUDIODEVICECONNECTED_DEFINED
|
|
/* Get connected status */
|
|
result = SDL_AudioDeviceConnected(id);
|
|
SDLTest_AssertPass("Call to SDL_AudioDeviceConnected()");
|
|
#endif
|
|
SDLTest_AssertCheck(result == 1, "Verify returned value; expected: 1; got: %i", result);
|
|
|
|
/* Close device again */
|
|
SDL_CloseAudioDevice(id);
|
|
SDLTest_AssertPass("Call to SDL_CloseAudioDevice()");
|
|
}
|
|
}
|
|
} else {
|
|
SDLTest_Log("No devices to test with");
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
static double sine_wave_sample(const Sint64 idx, const Sint64 rate, const Sint64 freq, const double phase)
|
|
{
|
|
/* Using integer modulo to avoid precision loss caused by large floating
|
|
* point numbers. Sint64 is needed for the large integer multiplication.
|
|
* The integers are assumed to be non-negative so that modulo is always
|
|
* non-negative.
|
|
* sin(i / rate * freq * 2 * M_PI + phase)
|
|
* = sin(mod(i / rate * freq, 1) * 2 * M_PI + phase)
|
|
* = sin(mod(i * freq, rate) / rate * 2 * M_PI + phase) */
|
|
return SDL_sin(((double) (idx * freq % rate)) / ((double) rate) * (M_PI * 2) + phase);
|
|
}
|
|
|
|
/**
|
|
* \brief Check signal-to-noise ratio and maximum error of audio resampling.
|
|
*
|
|
* \sa https://wiki.libsdl.org/SDL_BuildAudioCVT
|
|
* \sa https://wiki.libsdl.org/SDL_ConvertAudio
|
|
*/
|
|
int audio_resampleLoss()
|
|
{
|
|
/* Note: always test long input time (>= 5s from experience) in some test
|
|
* cases because an improper implementation may suffer from low resampling
|
|
* precision with long input due to e.g. doing subtraction with large floats. */
|
|
struct test_spec_t {
|
|
int time;
|
|
int freq;
|
|
double phase;
|
|
int rate_in;
|
|
int rate_out;
|
|
double signal_to_noise;
|
|
double max_error;
|
|
} test_specs[] = {
|
|
{ 50, 440, 0, 44100, 48000, 60, 0.0025 },
|
|
{ 50, 5000, M_PI / 2, 20000, 10000, 65, 0.0010 },
|
|
{ 0 }
|
|
};
|
|
|
|
int spec_idx = 0;
|
|
|
|
for (spec_idx = 0; test_specs[spec_idx].time > 0; ++spec_idx) {
|
|
const struct test_spec_t *spec = &test_specs[spec_idx];
|
|
const int frames_in = spec->time * spec->rate_in;
|
|
const int frames_target = spec->time * spec->rate_out;
|
|
const int len_in = frames_in * (int)sizeof(float);
|
|
const int len_target = frames_target * (int)sizeof(float);
|
|
|
|
Uint64 tick_beg = 0;
|
|
Uint64 tick_end = 0;
|
|
SDL_AudioCVT cvt;
|
|
int i = 0;
|
|
int ret = 0;
|
|
double max_error = 0;
|
|
double sum_squared_error = 0;
|
|
double sum_squared_value = 0;
|
|
double signal_to_noise = 0;
|
|
|
|
SDLTest_AssertPass("Test resampling of %i s %i Hz %f phase sine wave from sampling rate of %i Hz to %i Hz",
|
|
spec->time, spec->freq, spec->phase, spec->rate_in, spec->rate_out);
|
|
|
|
ret = SDL_BuildAudioCVT(&cvt, AUDIO_F32SYS, 1, spec->rate_in, AUDIO_F32SYS, 1, spec->rate_out);
|
|
SDLTest_AssertPass("Call to SDL_BuildAudioCVT(&cvt, AUDIO_F32SYS, 1, %i, AUDIO_F32SYS, 1, %i)", spec->rate_in, spec->rate_out);
|
|
SDLTest_AssertCheck(ret == 1, "Expected SDL_BuildAudioCVT to succeed and conversion to be needed.");
|
|
if (ret != 1) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
cvt.buf = (Uint8 *)SDL_malloc(len_in * cvt.len_mult);
|
|
SDLTest_AssertCheck(cvt.buf != NULL, "Expected input buffer to be created.");
|
|
if (cvt.buf == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
cvt.len = len_in;
|
|
for (i = 0; i < frames_in; ++i) {
|
|
*(((float *) cvt.buf) + i) = (float)sine_wave_sample(i, spec->rate_in, spec->freq, spec->phase);
|
|
}
|
|
|
|
tick_beg = SDL_GetPerformanceCounter();
|
|
ret = SDL_ConvertAudio(&cvt);
|
|
tick_end = SDL_GetPerformanceCounter();
|
|
SDLTest_AssertPass("Call to SDL_ConvertAudio(&cvt)");
|
|
SDLTest_AssertCheck(ret == 0, "Expected SDL_ConvertAudio to succeed.");
|
|
SDLTest_AssertCheck(cvt.len_cvt == len_target, "Expected output length %i, got %i.", len_target, cvt.len_cvt);
|
|
if (ret != 0 || cvt.len_cvt != len_target) {
|
|
SDL_free(cvt.buf);
|
|
return TEST_ABORTED;
|
|
}
|
|
SDLTest_Log("Resampling used %f seconds.", ((double) (tick_end - tick_beg)) / SDL_GetPerformanceFrequency());
|
|
|
|
for (i = 0; i < frames_target; ++i) {
|
|
const float output = *(((float *) cvt.buf) + i);
|
|
const double target = sine_wave_sample(i, spec->rate_out, spec->freq, spec->phase);
|
|
const double error = SDL_fabs(target - output);
|
|
max_error = SDL_max(max_error, error);
|
|
sum_squared_error += error * error;
|
|
sum_squared_value += target * target;
|
|
}
|
|
SDL_free(cvt.buf);
|
|
signal_to_noise = 10 * SDL_log10(sum_squared_value / sum_squared_error); /* decibel */
|
|
SDLTest_AssertCheck(isfinite(sum_squared_value), "Sum of squared target should be finite.");
|
|
SDLTest_AssertCheck(isfinite(sum_squared_error), "Sum of squared error should be finite.");
|
|
/* Infinity is theoretically possible when there is very little to no noise */
|
|
SDLTest_AssertCheck(!isnan(signal_to_noise), "Signal-to-noise ratio should not be NaN.");
|
|
SDLTest_AssertCheck(isfinite(max_error), "Maximum conversion error should be finite.");
|
|
SDLTest_AssertCheck(signal_to_noise >= spec->signal_to_noise, "Conversion signal-to-noise ratio %f dB should be no less than %f dB.",
|
|
signal_to_noise, spec->signal_to_noise);
|
|
SDLTest_AssertCheck(max_error <= spec->max_error, "Maximum conversion error %f should be no more than %f.",
|
|
max_error, spec->max_error);
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/* ================= Test Case References ================== */
|
|
|
|
/* Audio test cases */
|
|
static const SDLTest_TestCaseReference audioTest1 = {
|
|
(SDLTest_TestCaseFp)audio_enumerateAndNameAudioDevices, "audio_enumerateAndNameAudioDevices", "Enumerate and name available audio devices (output and capture)", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest2 = {
|
|
(SDLTest_TestCaseFp)audio_enumerateAndNameAudioDevicesNegativeTests, "audio_enumerateAndNameAudioDevicesNegativeTests", "Negative tests around enumeration and naming of audio devices.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest3 = {
|
|
(SDLTest_TestCaseFp)audio_printAudioDrivers, "audio_printAudioDrivers", "Checks available audio driver names.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest4 = {
|
|
(SDLTest_TestCaseFp)audio_printCurrentAudioDriver, "audio_printCurrentAudioDriver", "Checks current audio driver name with initialized audio.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest5 = {
|
|
(SDLTest_TestCaseFp)audio_buildAudioCVT, "audio_buildAudioCVT", "Builds various audio conversion structures.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest6 = {
|
|
(SDLTest_TestCaseFp)audio_buildAudioCVTNegative, "audio_buildAudioCVTNegative", "Checks calls with invalid input to SDL_BuildAudioCVT", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest7 = {
|
|
(SDLTest_TestCaseFp)audio_getAudioStatus, "audio_getAudioStatus", "Checks current audio status.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest8 = {
|
|
(SDLTest_TestCaseFp)audio_openCloseAndGetAudioStatus, "audio_openCloseAndGetAudioStatus", "Opens and closes audio device and get audio status.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest9 = {
|
|
(SDLTest_TestCaseFp)audio_lockUnlockOpenAudioDevice, "audio_lockUnlockOpenAudioDevice", "Locks and unlocks an open audio device.", TEST_ENABLED
|
|
};
|
|
|
|
/* TODO: enable test when SDL_ConvertAudio segfaults on cygwin have been fixed. */
|
|
/* For debugging, test case can be run manually using --filter audio_convertAudio */
|
|
|
|
static const SDLTest_TestCaseReference audioTest10 = {
|
|
(SDLTest_TestCaseFp)audio_convertAudio, "audio_convertAudio", "Convert audio using available formats.", TEST_DISABLED
|
|
};
|
|
|
|
/* TODO: enable test when SDL_AudioDeviceConnected has been implemented. */
|
|
|
|
static const SDLTest_TestCaseReference audioTest11 = {
|
|
(SDLTest_TestCaseFp)audio_openCloseAudioDeviceConnected, "audio_openCloseAudioDeviceConnected", "Opens and closes audio device and get connected status.", TEST_DISABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest12 = {
|
|
(SDLTest_TestCaseFp)audio_quitInitAudioSubSystem, "audio_quitInitAudioSubSystem", "Quit and re-init audio subsystem.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest13 = {
|
|
(SDLTest_TestCaseFp)audio_initQuitAudio, "audio_initQuitAudio", "Init and quit audio drivers directly.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest14 = {
|
|
(SDLTest_TestCaseFp)audio_initOpenCloseQuitAudio, "audio_initOpenCloseQuitAudio", "Cycle through init, open, close and quit with various audio specs.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest15 = {
|
|
(SDLTest_TestCaseFp)audio_pauseUnpauseAudio, "audio_pauseUnpauseAudio", "Pause and Unpause audio for various audio specs while testing callback.", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference audioTest16 = {
|
|
(SDLTest_TestCaseFp)audio_resampleLoss, "audio_resampleLoss", "Check signal-to-noise ratio and maximum error of audio resampling.", TEST_ENABLED
|
|
};
|
|
|
|
/* Sequence of Audio test cases */
|
|
static const SDLTest_TestCaseReference *audioTests[] = {
|
|
&audioTest1, &audioTest2, &audioTest3, &audioTest4, &audioTest5, &audioTest6,
|
|
&audioTest7, &audioTest8, &audioTest9, &audioTest10, &audioTest11,
|
|
&audioTest12, &audioTest13, &audioTest14, &audioTest15, &audioTest16, NULL
|
|
};
|
|
|
|
/* Audio test suite (global) */
|
|
SDLTest_TestSuiteReference audioTestSuite = {
|
|
"Audio",
|
|
_audioSetUp,
|
|
audioTests,
|
|
_audioTearDown
|
|
};
|