From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/test/testautomation_audio.c | 1559 ------------------------- 1 file changed, 1559 deletions(-) delete mode 100644 contrib/SDL-3.2.8/test/testautomation_audio.c (limited to 'contrib/SDL-3.2.8/test/testautomation_audio.c') diff --git a/contrib/SDL-3.2.8/test/testautomation_audio.c b/contrib/SDL-3.2.8/test/testautomation_audio.c deleted file mode 100644 index 7c141b3..0000000 --- a/contrib/SDL-3.2.8/test/testautomation_audio.c +++ /dev/null @@ -1,1559 +0,0 @@ -/** - * Original code: automated SDL audio test written by Edgar Simo "bobbens" - * New/updated tests: aschiffler at ferzkopp dot net - */ - -/* quiet windows compiler warnings */ -#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) -#define _CRT_SECURE_NO_WARNINGS -#endif - -#include -#include - -#include -#include -#include "testautomation_suites.h" - -/* ================= Test Case Implementation ================== */ - -/* Fixture */ - -static void SDLCALL audioSetUp(void **arg) -{ - /* Start SDL audio subsystem */ - bool ret = SDL_InitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_AUDIO)"); - SDLTest_AssertCheck(ret == true, "Check result from SDL_InitSubSystem(SDL_INIT_AUDIO)"); - if (!ret) { - SDLTest_LogError("%s", SDL_GetError()); - } -} - -static void SDLCALL audioTearDown(void *arg) -{ - /* Remove a possibly created file from SDL disk writer audio driver; ignore errors */ - (void)remove("sdlaudio.raw"); - - SDLTest_AssertPass("Cleanup of test files completed"); -} - -#if 0 /* !!! FIXME: maybe update this? */ -/* Global counter for callback invocation */ -static int g_audio_testCallbackCounter; - -/* Global accumulator for total callback length */ -static int g_audio_testCallbackLength; - -/* Test callback function */ -static void SDLCALL audio_testCallback(void *userdata, Uint8 *stream, int len) -{ - /* track that callback was called */ - g_audio_testCallbackCounter++; - g_audio_testCallbackLength += len; -} -#endif - -static SDL_AudioDeviceID g_audio_id = 0; - -/* Test case functions */ - -/** - * Stop and restart audio subsystem - * - * \sa SDL_QuitSubSystem - * \sa SDL_InitSubSystem - */ -static int SDLCALL audio_quitInitAudioSubSystem(void *arg) -{ - /* Stop SDL audio subsystem */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - - /* Restart audio again */ - audioSetUp(NULL); - - return TEST_COMPLETED; -} - -/** - * Start and stop audio directly - * - * \sa SDL_InitAudio - * \sa SDL_QuitAudio - */ -static int SDLCALL audio_initQuitAudio(void *arg) -{ - int result; - int i, iMax; - const char *audioDriver; - const char *hint = SDL_GetHint(SDL_HINT_AUDIO_DRIVER); - - /* Stop SDL audio subsystem */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - - /* Loop over all available audio drivers */ - iMax = SDL_GetNumAudioDrivers(); - SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()"); - SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax); - for (i = 0; i < iMax; i++) { - audioDriver = SDL_GetAudioDriver(i); - SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i); - SDLTest_Assert(audioDriver != NULL, "Audio driver name is not NULL"); - SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* NOLINT(clang-analyzer-core.NullDereference): Checked for NULL above */ - - if (hint && SDL_strcmp(audioDriver, hint) != 0) { - continue; - } - - /* Call Init */ - SDL_SetHint(SDL_HINT_AUDIO_DRIVER, audioDriver); - result = SDL_InitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_AUDIO) with driver='%s'", audioDriver); - SDLTest_AssertCheck(result == true, "Validate result value; expected: true got: %d", result); - - /* Call Quit */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - } - - /* NULL driver specification */ - audioDriver = NULL; - - /* Call Init */ - SDL_SetHint(SDL_HINT_AUDIO_DRIVER, audioDriver); - result = SDL_InitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_AudioInit(NULL)"); - SDLTest_AssertCheck(result == true, "Validate result value; expected: true got: %d", result); - - /* Call Quit */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - - /* Restart audio again */ - audioSetUp(NULL); - - return TEST_COMPLETED; -} - -/** - * Start, open, close and stop audio - * - * \sa SDL_InitAudio - * \sa SDL_OpenAudioDevice - * \sa SDL_CloseAudioDevice - * \sa SDL_QuitAudio - */ -static int SDLCALL audio_initOpenCloseQuitAudio(void *arg) -{ - int result; - int i, iMax, j, k; - const char *audioDriver; - SDL_AudioSpec desired; - const char *hint = SDL_GetHint(SDL_HINT_AUDIO_DRIVER); - - /* Stop SDL audio subsystem */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - - /* Loop over all available audio drivers */ - iMax = SDL_GetNumAudioDrivers(); - SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()"); - SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax); - for (i = 0; i < iMax; i++) { - audioDriver = SDL_GetAudioDriver(i); - SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i); - SDLTest_Assert(audioDriver != NULL, "Audio driver name is not NULL"); - SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* NOLINT(clang-analyzer-core.NullDereference): Checked for NULL above */ - - if (hint && SDL_strcmp(audioDriver, hint) != 0) { - continue; - } - - /* Change specs */ - for (j = 0; j < 2; j++) { - - /* Call Init */ - SDL_SetHint(SDL_HINT_AUDIO_DRIVER, audioDriver); - result = SDL_InitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_AUDIO) with driver='%s'", audioDriver); - SDLTest_AssertCheck(result == true, "Validate result value; expected: true got: %d", result); - - /* Set spec */ - SDL_zero(desired); - switch (j) { - case 0: - /* Set standard desired spec */ - desired.freq = 22050; - desired.format = SDL_AUDIO_S16; - desired.channels = 2; - break; - - case 1: - /* Set custom desired spec */ - desired.freq = 48000; - desired.format = SDL_AUDIO_F32; - desired.channels = 2; - break; - } - - /* Call Open (maybe multiple times) */ - for (k = 0; k <= j; k++) { - result = SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &desired); - if (k == 0) { - g_audio_id = result; - } - SDLTest_AssertPass("Call to SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, desired_spec_%d), call %d", j, k + 1); - SDLTest_AssertCheck(result > 0, "Verify return value; expected: > 0, got: %d", result); - } - - /* Call Close (maybe multiple times) */ - for (k = 0; k <= j; k++) { - SDL_CloseAudioDevice(g_audio_id); - SDLTest_AssertPass("Call to SDL_CloseAudioDevice(), call %d", k + 1); - } - - /* Call Quit (maybe multiple times) */ - for (k = 0; k <= j; k++) { - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO), call %d", k + 1); - } - - } /* spec loop */ - } /* driver loop */ - - /* Restart audio again */ - audioSetUp(NULL); - - return TEST_COMPLETED; -} - -/** - * Pause and unpause audio - * - * \sa SDL_PauseAudioDevice - * \sa SDL_PlayAudioDevice - */ -static int SDLCALL audio_pauseUnpauseAudio(void *arg) -{ - int iMax; - int i, j /*, k, l*/; - int result; - const char *audioDriver; - SDL_AudioSpec desired; - const char *hint = SDL_GetHint(SDL_HINT_AUDIO_DRIVER); - - /* Stop SDL audio subsystem */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - - /* Loop over all available audio drivers */ - iMax = SDL_GetNumAudioDrivers(); - SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()"); - SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax); - for (i = 0; i < iMax; i++) { - audioDriver = SDL_GetAudioDriver(i); - SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i); - SDLTest_Assert(audioDriver != NULL, "Audio driver name is not NULL"); - SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver); /* NOLINT(clang-analyzer-core.NullDereference): Checked for NULL above */ - - if (hint && SDL_strcmp(audioDriver, hint) != 0) { - continue; - } - - /* Change specs */ - for (j = 0; j < 2; j++) { - - /* Call Init */ - SDL_SetHint(SDL_HINT_AUDIO_DRIVER, audioDriver); - result = SDL_InitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_AUDIO) with driver='%s'", audioDriver); - SDLTest_AssertCheck(result == true, "Validate result value; expected: true got: %d", result); - - /* Set spec */ - SDL_zero(desired); - switch (j) { - case 0: - /* Set standard desired spec */ - desired.freq = 22050; - desired.format = SDL_AUDIO_S16; - desired.channels = 2; - break; - - case 1: - /* Set custom desired spec */ - desired.freq = 48000; - desired.format = SDL_AUDIO_F32; - desired.channels = 2; - break; - } - - /* Call Open */ - g_audio_id = SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &desired); - result = g_audio_id; - SDLTest_AssertPass("Call to SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, desired_spec_%d)", j); - SDLTest_AssertCheck(result > 0, "Verify return value; expected > 0 got: %d", result); - -#if 0 /* !!! FIXME: maybe update this? */ - /* Start and stop audio multiple times */ - for (l = 0; l < 3; l++) { - SDLTest_Log("Pause/Unpause iteration: %d", l + 1); - - /* Reset callback counters */ - g_audio_testCallbackCounter = 0; - g_audio_testCallbackLength = 0; - - /* Un-pause audio to start playing (maybe multiple times) */ - for (k = 0; k <= j; k++) { - SDL_PlayAudioDevice(g_audio_id); - SDLTest_AssertPass("Call to SDL_PlayAudioDevice(g_audio_id), call %d", k + 1); - } - - /* Wait for callback */ - int totalDelay = 0; - do { - SDL_Delay(10); - totalDelay += 10; - } while (g_audio_testCallbackCounter == 0 && totalDelay < 1000); - SDLTest_AssertCheck(g_audio_testCallbackCounter > 0, "Verify callback counter; expected: >0 got: %d", g_audio_testCallbackCounter); - SDLTest_AssertCheck(g_audio_testCallbackLength > 0, "Verify callback length; expected: >0 got: %d", g_audio_testCallbackLength); - - /* Pause audio to stop playing (maybe multiple times) */ - for (k = 0; k <= j; k++) { - const int pause_on = (k == 0) ? 1 : SDLTest_RandomIntegerInRange(99, 9999); - if (pause_on) { - SDL_PauseAudioDevice(g_audio_id); - SDLTest_AssertPass("Call to SDL_PauseAudioDevice(g_audio_id), call %d", k + 1); - } else { - SDL_PlayAudioDevice(g_audio_id); - SDLTest_AssertPass("Call to SDL_PlayAudioDevice(g_audio_id), call %d", k + 1); - } - } - - /* Ensure callback is not called again */ - const int originalCounter = g_audio_testCallbackCounter; - SDL_Delay(totalDelay + 10); - SDLTest_AssertCheck(originalCounter == g_audio_testCallbackCounter, "Verify callback counter; expected: %d, got: %d", originalCounter, g_audio_testCallbackCounter); - } -#endif - - /* Call Close */ - SDL_CloseAudioDevice(g_audio_id); - SDLTest_AssertPass("Call to SDL_CloseAudioDevice()"); - - /* Call Quit */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - - } /* spec loop */ - } /* driver loop */ - - /* Restart audio again */ - audioSetUp(NULL); - - return TEST_COMPLETED; -} - -/** - * Enumerate and name available audio devices (playback and recording). - * - * \sa SDL_GetNumAudioDevices - * \sa SDL_GetAudioDeviceName - */ -static int SDLCALL audio_enumerateAndNameAudioDevices(void *arg) -{ - int t; - int i, n; - const char *name; - SDL_AudioDeviceID *devices; - - /* Iterate over types: t=0 playback device, t=1 recording device */ - for (t = 0; t < 2; t++) { - /* Get number of devices. */ - devices = (t) ? SDL_GetAudioRecordingDevices(&n) : SDL_GetAudioPlaybackDevices(&n); - SDLTest_AssertPass("Call to SDL_GetAudio%sDevices(%i)", (t) ? "Recording" : "Playback", t); - SDLTest_Log("Number of %s devices < 0, reported as %i", (t) ? "recording" : "playback", n); - SDLTest_AssertCheck(n >= 0, "Validate result is >= 0, got: %i", n); - - /* List devices. */ - if (n > 0) { - SDLTest_AssertCheck(devices != NULL, "Validate devices is not NULL if n > 0"); - for (i = 0; i < n; i++) { - name = SDL_GetAudioDeviceName(devices[i]); - SDLTest_AssertPass("Call to SDL_GetAudioDeviceName(%i)", i); - SDLTest_AssertCheck(name != NULL, "Verify result from SDL_GetAudioDeviceName(%i) is not NULL", i); - if (name != NULL) { - SDLTest_AssertCheck(name[0] != '\0', "verify result from SDL_GetAudioDeviceName(%i) is not empty, got: '%s'", i, name); - } - } - } - SDL_free(devices); - } - - return TEST_COMPLETED; -} - -/** - * Negative tests around enumeration and naming of audio devices. - * - * \sa SDL_GetNumAudioDevices - * \sa SDL_GetAudioDeviceName - */ -static int SDLCALL audio_enumerateAndNameAudioDevicesNegativeTests(void *arg) -{ - return TEST_COMPLETED; /* nothing in here atm since these interfaces changed in SDL3. */ -} - -/** - * Checks available audio driver names. - * - * \sa SDL_GetNumAudioDrivers - * \sa SDL_GetAudioDriver - */ -static int SDLCALL audio_printAudioDrivers(void *arg) -{ - 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; -} - -/** - * Checks current audio driver name with initialized audio. - * - * \sa SDL_GetCurrentAudioDriver - */ -static int SDLCALL audio_printCurrentAudioDriver(void *arg) -{ - /* 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 */ -static SDL_AudioFormat g_audioFormats[] = { - SDL_AUDIO_S8, SDL_AUDIO_U8, - SDL_AUDIO_S16LE, SDL_AUDIO_S16BE, - SDL_AUDIO_S32LE, SDL_AUDIO_S32BE, - SDL_AUDIO_F32LE, SDL_AUDIO_F32BE -}; -static const char *g_audioFormatsVerbose[] = { - "SDL_AUDIO_S8", "SDL_AUDIO_U8", - "SDL_AUDIO_S16LE", "SDL_AUDIO_S16BE", - "SDL_AUDIO_S32LE", "SDL_AUDIO_S32BE", - "SDL_AUDIO_F32LE", "SDL_AUDIO_F32BE" -}; -static SDL_AudioFormat g_invalidAudioFormats[] = { - (SDL_AudioFormat)SDL_DEFINE_AUDIO_FORMAT(SDL_AUDIO_MASK_SIGNED, SDL_AUDIO_MASK_BIG_ENDIAN, SDL_AUDIO_MASK_FLOAT, SDL_AUDIO_MASK_BITSIZE) -}; -static const char *g_invalidAudioFormatsVerbose[] = { - "SDL_AUDIO_UNKNOWN" -}; -static const int g_numAudioFormats = SDL_arraysize(g_audioFormats); -static const int g_numInvalidAudioFormats = SDL_arraysize(g_invalidAudioFormats); -static Uint8 g_audioChannels[] = { 1, 2, 4, 6 }; -static const int g_numAudioChannels = SDL_arraysize(g_audioChannels); -static int g_audioFrequencies[] = { 11025, 22050, 44100, 48000 }; -static const int g_numAudioFrequencies = SDL_arraysize(g_audioFrequencies); - -/* Verify the audio formats are laid out as expected */ -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_U8_FORMAT, SDL_AUDIO_U8 == SDL_AUDIO_BITSIZE(8)); -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_S8_FORMAT, SDL_AUDIO_S8 == (SDL_AUDIO_BITSIZE(8) | SDL_AUDIO_MASK_SIGNED)); -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_S16LE_FORMAT, SDL_AUDIO_S16LE == (SDL_AUDIO_BITSIZE(16) | SDL_AUDIO_MASK_SIGNED)); -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_S16BE_FORMAT, SDL_AUDIO_S16BE == (SDL_AUDIO_S16LE | SDL_AUDIO_MASK_BIG_ENDIAN)); -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_S32LE_FORMAT, SDL_AUDIO_S32LE == (SDL_AUDIO_BITSIZE(32) | SDL_AUDIO_MASK_SIGNED)); -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_S32BE_FORMAT, SDL_AUDIO_S32BE == (SDL_AUDIO_S32LE | SDL_AUDIO_MASK_BIG_ENDIAN)); -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_F32LE_FORMAT, SDL_AUDIO_F32LE == (SDL_AUDIO_BITSIZE(32) | SDL_AUDIO_MASK_FLOAT | SDL_AUDIO_MASK_SIGNED)); -SDL_COMPILE_TIME_ASSERT(SDL_AUDIO_F32BE_FORMAT, SDL_AUDIO_F32BE == (SDL_AUDIO_F32LE | SDL_AUDIO_MASK_BIG_ENDIAN)); - -/** - * Call to SDL_GetAudioFormatName - * - * \sa SDL_GetAudioFormatName - */ -static int SDLCALL audio_getAudioFormatName(void *arg) -{ - const char *error; - int i; - SDL_AudioFormat format; - const char *result; - - /* audio formats */ - for (i = 0; i < g_numAudioFormats; i++) { - format = g_audioFormats[i]; - SDLTest_Log("Audio Format: %s (%d)", g_audioFormatsVerbose[i], format); - - /* Get name of format */ - result = SDL_GetAudioFormatName(format); - SDLTest_AssertPass("Call to SDL_GetAudioFormatName()"); - SDLTest_AssertCheck(result != NULL, "Verify result is not NULL"); - if (result != NULL) { - SDLTest_AssertCheck(result[0] != '\0', "Verify result is non-empty"); - SDLTest_AssertCheck(SDL_strcmp(result, g_audioFormatsVerbose[i]) == 0, - "Verify result text; expected: %s, got %s", g_audioFormatsVerbose[i], result); - } - } - - /* Negative cases */ - - /* Invalid Formats */ - SDL_ClearError(); - SDLTest_AssertPass("Call to SDL_ClearError()"); - for (i = 0; i < g_numInvalidAudioFormats; i++) { - format = g_invalidAudioFormats[i]; - result = SDL_GetAudioFormatName(format); - SDLTest_AssertPass("Call to SDL_GetAudioFormatName(%d)", format); - SDLTest_AssertCheck(result != NULL, "Verify result is not NULL"); - if (result != NULL) { - SDLTest_AssertCheck(result[0] != '\0', - "Verify result is non-empty; got: %s", result); - SDLTest_AssertCheck(SDL_strcmp(result, g_invalidAudioFormatsVerbose[i]) == 0, - "Validate name is UNKNOWN, expected: '%s', got: '%s'", g_invalidAudioFormatsVerbose[i], result); - } - error = SDL_GetError(); - SDLTest_AssertPass("Call to SDL_GetError()"); - SDLTest_AssertCheck(error == NULL || error[0] == '\0', "Validate that error message is empty"); - } - - return TEST_COMPLETED; -} - -/** - * Builds various audio conversion structures - * - * \sa SDL_CreateAudioStream - */ -static int SDLCALL audio_buildAudioStream(void *arg) -{ - SDL_AudioStream *stream; - SDL_AudioSpec spec1; - SDL_AudioSpec spec2; - int i, ii, j, jj, k, kk; - - SDL_zero(spec1); - SDL_zero(spec2); - - /* Call Quit */ - SDL_QuitSubSystem(SDL_INIT_AUDIO); - SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)"); - - /* No conversion needed */ - spec1.format = SDL_AUDIO_S16LE; - spec1.channels = 2; - spec1.freq = 22050; - stream = SDL_CreateAudioStream(&spec1, &spec1); - SDLTest_AssertPass("Call to SDL_CreateAudioStream(spec1 ==> spec1)"); - SDLTest_AssertCheck(stream != NULL, "Verify stream value; expected: != NULL, got: %p", stream); - SDL_DestroyAudioStream(stream); - - /* Typical conversion */ - spec1.format = SDL_AUDIO_S8; - spec1.channels = 1; - spec1.freq = 22050; - spec2.format = SDL_AUDIO_S16LE; - spec2.channels = 2; - spec2.freq = 44100; - stream = SDL_CreateAudioStream(&spec1, &spec2); - SDLTest_AssertPass("Call to SDL_CreateAudioStream(spec1 ==> spec2)"); - SDLTest_AssertCheck(stream != NULL, "Verify stream value; expected: != NULL, got: %p", stream); - SDL_DestroyAudioStream(stream); - - /* All source conversions with random conversion targets, allow 'null' conversions */ - for (i = 0; i < g_numAudioFormats; i++) { - for (j = 0; j < g_numAudioChannels; j++) { - for (k = 0; k < g_numAudioFrequencies; k++) { - spec1.format = g_audioFormats[i]; - spec1.channels = g_audioChannels[j]; - spec1.freq = g_audioFrequencies[k]; - ii = SDLTest_RandomIntegerInRange(0, g_numAudioFormats - 1); - jj = SDLTest_RandomIntegerInRange(0, g_numAudioChannels - 1); - kk = SDLTest_RandomIntegerInRange(0, g_numAudioFrequencies - 1); - spec2.format = g_audioFormats[ii]; - spec2.channels = g_audioChannels[jj]; - spec2.freq = g_audioFrequencies[kk]; - stream = SDL_CreateAudioStream(&spec1, &spec2); - - SDLTest_AssertPass("Call to SDL_CreateAudioStream(format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i ==> format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i)", - i, g_audioFormatsVerbose[i], spec1.format, j, spec1.channels, k, spec1.freq, ii, g_audioFormatsVerbose[ii], spec2.format, jj, spec2.channels, kk, spec2.freq); - SDLTest_AssertCheck(stream != NULL, "Verify stream value; expected: != NULL, got: %p", stream); - if (stream == NULL) { - SDLTest_LogError("%s", SDL_GetError()); - } - SDL_DestroyAudioStream(stream); - } - } - } - - /* Restart audio again */ - audioSetUp(NULL); - - return TEST_COMPLETED; -} - -/** - * Checks calls with invalid input to SDL_CreateAudioStream - * - * \sa SDL_CreateAudioStream - */ -static int SDLCALL audio_buildAudioStreamNegative(void *arg) -{ - const char *error; - SDL_AudioStream *stream; - SDL_AudioSpec spec1; - SDL_AudioSpec spec2; - int i; - char message[256]; - - SDL_zero(spec1); - SDL_zero(spec2); - - /* Valid format */ - spec1.format = SDL_AUDIO_S8; - spec1.channels = 1; - spec1.freq = 22050; - spec2.format = SDL_AUDIO_S16LE; - spec2.channels = 2; - spec2.freq = 44100; - - SDL_ClearError(); - SDLTest_AssertPass("Call to SDL_ClearError()"); - - /* Invalid conversions */ - for (i = 1; i < 64; i++) { - /* Valid format to start with */ - spec1.format = SDL_AUDIO_S8; - spec1.channels = 1; - spec1.freq = 22050; - spec2.format = SDL_AUDIO_S16LE; - 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); - stream = SDL_CreateAudioStream(&spec1, &spec2); - SDLTest_AssertPass("Call to SDL_CreateAudioStream(spec1 ==> spec2)"); - SDLTest_AssertCheck(stream == NULL, "Verify stream value; expected: NULL, got: %p", stream); - 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_DestroyAudioStream(stream); - } - - SDL_ClearError(); - SDLTest_AssertPass("Call to SDL_ClearError()"); - - return TEST_COMPLETED; -} - -/** - * Checks current audio status. - * - * \sa SDL_GetAudioDeviceStatus - */ -static int SDLCALL audio_getAudioStatus(void *arg) -{ - return TEST_COMPLETED; /* no longer a thing in SDL3. */ -} - -/** - * Opens, checks current audio status, and closes a device. - * - * \sa SDL_GetAudioStatus - */ -static int SDLCALL audio_openCloseAndGetAudioStatus(void *arg) -{ - return TEST_COMPLETED; /* not a thing in SDL3. */ -} - -/** - * Locks and unlocks open audio device. - * - * \sa SDL_LockAudioDevice - * \sa SDL_UnlockAudioDevice - */ -static int SDLCALL audio_lockUnlockOpenAudioDevice(void *arg) -{ - return TEST_COMPLETED; /* not a thing in SDL3 */ -} - -/** - * Convert audio using various conversion structures - * - * \sa SDL_CreateAudioStream - */ -static int SDLCALL audio_convertAudio(void *arg) -{ - SDL_AudioStream *stream; - SDL_AudioSpec spec1; - SDL_AudioSpec spec2; - int c; - char message[128]; - int i, ii, j, jj, k, kk; - - SDL_zero(spec1); - SDL_zero(spec2); - - /* 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 < g_numAudioFormats; i++) { - for (j = 0; j < g_numAudioChannels; j++) { - for (k = 0; k < g_numAudioFrequencies; k++) { - spec1.format = g_audioFormats[i]; - spec1.channels = g_audioChannels[j]; - spec1.freq = g_audioFrequencies[k]; - - /* Ensure we have a different target format */ - do { - if (c & 1) { - ii = SDLTest_RandomIntegerInRange(0, g_numAudioFormats - 1); - } else { - ii = 1; - } - if (c & 2) { - jj = SDLTest_RandomIntegerInRange(0, g_numAudioChannels - 1); - } else { - jj = j; - } - if (c & 4) { - kk = SDLTest_RandomIntegerInRange(0, g_numAudioFrequencies - 1); - } else { - kk = k; - } - } while ((i == ii) && (j == jj) && (k == kk)); - spec2.format = g_audioFormats[ii]; - spec2.channels = g_audioChannels[jj]; - spec2.freq = g_audioFrequencies[kk]; - - stream = SDL_CreateAudioStream(&spec1, &spec2); - SDLTest_AssertPass("Call to SDL_CreateAudioStream(format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i ==> format[%i]=%s(%i),channels[%i]=%i,freq[%i]=%i)", - i, g_audioFormatsVerbose[i], spec1.format, j, spec1.channels, k, spec1.freq, ii, g_audioFormatsVerbose[ii], spec2.format, jj, spec2.channels, kk, spec2.freq); - SDLTest_AssertCheck(stream != NULL, "Verify stream value; expected: != NULL, got: %p", stream); - if (stream == NULL) { - SDLTest_LogError("%s", SDL_GetError()); - } else { - Uint8 *dst_buf = NULL, *src_buf = NULL; - int dst_len = 0, src_len = 0, real_dst_len = 0; - int l = 64, m; - int src_framesize, dst_framesize; - int src_silence, dst_silence; - - src_framesize = SDL_AUDIO_FRAMESIZE(spec1); - dst_framesize = SDL_AUDIO_FRAMESIZE(spec2); - - src_len = l * src_framesize; - SDLTest_Log("Creating dummy sample buffer of %i length (%i bytes)", l, src_len); - src_buf = (Uint8 *)SDL_malloc(src_len); - SDLTest_AssertCheck(src_buf != NULL, "Check src data buffer to convert is not NULL"); - if (src_buf == NULL) { - SDL_DestroyAudioStream(stream); - return TEST_ABORTED; - } - - src_silence = SDL_GetSilenceValueForFormat(spec1.format); - SDL_memset(src_buf, src_silence, src_len); - - dst_len = ((int)((((Sint64)l * spec2.freq) - 1) / spec1.freq) + 1) * dst_framesize; - dst_buf = (Uint8 *)SDL_malloc(dst_len); - SDLTest_AssertCheck(dst_buf != NULL, "Check dst data buffer to convert is not NULL"); - if (dst_buf == NULL) { - SDL_DestroyAudioStream(stream); - SDL_free(src_buf); - return TEST_ABORTED; - } - - real_dst_len = SDL_GetAudioStreamAvailable(stream); - SDLTest_AssertCheck(0 == real_dst_len, "Verify available (pre-put); expected: %i; got: %i", 0, real_dst_len); - - /* Run the audio converter */ - if (!SDL_PutAudioStreamData(stream, src_buf, src_len) || - !SDL_FlushAudioStream(stream)) { - SDL_DestroyAudioStream(stream); - SDL_free(src_buf); - SDL_free(dst_buf); - return TEST_ABORTED; - } - - real_dst_len = SDL_GetAudioStreamAvailable(stream); - SDLTest_AssertCheck(dst_len == real_dst_len, "Verify available (post-put); expected: %i; got: %i", dst_len, real_dst_len); - - real_dst_len = SDL_GetAudioStreamData(stream, dst_buf, dst_len); - SDLTest_AssertCheck(dst_len == real_dst_len, "Verify result value; expected: %i; got: %i", dst_len, real_dst_len); - if (dst_len != real_dst_len) { - SDL_DestroyAudioStream(stream); - SDL_free(src_buf); - SDL_free(dst_buf); - return TEST_ABORTED; - } - - real_dst_len = SDL_GetAudioStreamAvailable(stream); - SDLTest_AssertCheck(0 == real_dst_len, "Verify available (post-get); expected: %i; got: %i", 0, real_dst_len); - - dst_silence = SDL_GetSilenceValueForFormat(spec2.format); - - for (m = 0; m < dst_len; ++m) { - if (dst_buf[m] != dst_silence) { - SDLTest_LogError("Output buffer is not silent"); - SDL_DestroyAudioStream(stream); - SDL_free(src_buf); - SDL_free(dst_buf); - return TEST_ABORTED; - } - } - - SDL_DestroyAudioStream(stream); - /* Free converted buffer */ - SDL_free(src_buf); - SDL_free(dst_buf); - } - } - } - } - } - - return TEST_COMPLETED; -} - -/** - * Opens, checks current connected status, and closes a device. - * - * \sa SDL_AudioDeviceConnected - */ -static int SDLCALL audio_openCloseAudioDeviceConnected(void *arg) -{ - return TEST_COMPLETED; /* not a thing in SDL3. */ -} - -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 * PI + phase) - * = sin(mod(i / rate * freq, 1) * 2 * PI + phase) - * = sin(mod(i * freq, rate) / rate * 2 * PI + phase) */ - return SDL_sin(((double)(idx * freq % rate)) / ((double)rate) * (SDL_PI_D * 2) + phase); -} - -/* Split the data into randomly sized chunks */ -static int put_audio_data_split(SDL_AudioStream* stream, const void* buf, int len) -{ - SDL_AudioSpec spec; - int frame_size; - int ret = SDL_GetAudioStreamFormat(stream, &spec, NULL); - - if (!ret) { - return -1; - } - - frame_size = SDL_AUDIO_FRAMESIZE(spec); - - while (len > 0) { - int n = SDLTest_RandomIntegerInRange(1, 10000) * frame_size; - n = SDL_min(n, len); - ret = SDL_PutAudioStreamData(stream, buf, n); - - if (!ret) { - return -1; - } - - buf = ((const Uint8*) buf) + n; - len -= n; - } - - return 0; -} - -/* Read the data in randomly sized chunks */ -static int get_audio_data_split(SDL_AudioStream* stream, void* buf, int len) { - SDL_AudioSpec spec; - int frame_size; - int ret = SDL_GetAudioStreamFormat(stream, NULL, &spec); - int total = 0; - - if (!ret) { - return -1; - } - - frame_size = SDL_AUDIO_FRAMESIZE(spec); - - while (len > 0) { - int n = SDLTest_RandomIntegerInRange(1, 10000) * frame_size; - n = SDL_min(n, len); - - ret = SDL_GetAudioStreamData(stream, buf, n); - - if (ret <= 0) { - return total ? total : -1; - } - - buf = ((Uint8*) buf) + ret; - total += ret; - len -= ret; - } - - return total; -} - -/* Convert the data in chunks, putting/getting randomly sized chunks until finished */ -static int convert_audio_chunks(SDL_AudioStream* stream, const void* src, int srclen, void* dst, int dstlen) -{ - SDL_AudioSpec src_spec, dst_spec; - int src_frame_size, dst_frame_size; - int total_in = 0, total_out = 0; - int ret = SDL_GetAudioStreamFormat(stream, &src_spec, &dst_spec); - - if (!ret) { - return -1; - } - - src_frame_size = SDL_AUDIO_FRAMESIZE(src_spec); - dst_frame_size = SDL_AUDIO_FRAMESIZE(dst_spec); - - while ((total_in < srclen) || (total_out < dstlen)) { - /* Make sure we put in more than the padding frames so we get non-zero output */ - const int RESAMPLER_MAX_PADDING_FRAMES = 7; /* Should match RESAMPLER_MAX_PADDING_FRAMES in SDL */ - int to_put = SDLTest_RandomIntegerInRange(RESAMPLER_MAX_PADDING_FRAMES + 1, 40000) * src_frame_size; - int to_get = SDLTest_RandomIntegerInRange(1, (int)((40000.0f * dst_spec.freq) / src_spec.freq)) * dst_frame_size; - to_put = SDL_min(to_put, srclen - total_in); - to_get = SDL_min(to_get, dstlen - total_out); - - if (to_put) - { - ret = put_audio_data_split(stream, (const Uint8*)(src) + total_in, to_put); - - if (ret < 0) { - return total_out ? total_out : ret; - } - - total_in += to_put; - - if (total_in == srclen) { - ret = SDL_FlushAudioStream(stream); - - if (!ret) { - return total_out ? total_out : -1; - } - } - } - - if (to_get) - { - ret = get_audio_data_split(stream, (Uint8*)(dst) + total_out, to_get); - - if ((ret == 0) && (total_in == srclen)) { - ret = -1; - } - - if (ret < 0) { - return total_out ? total_out : ret; - } - - total_out += ret; - } - } - - return total_out; -} - -/** - * Check signal-to-noise ratio and maximum error of audio resampling. - * - * \sa https://wiki.libsdl.org/SDL_CreateAudioStream - * \sa https://wiki.libsdl.org/SDL_DestroyAudioStream - * \sa https://wiki.libsdl.org/SDL_PutAudioStreamData - * \sa https://wiki.libsdl.org/SDL_FlushAudioStream - * \sa https://wiki.libsdl.org/SDL_GetAudioStreamData - */ -static int SDLCALL audio_resampleLoss(void *arg) -{ - /* 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, 80, 0.0010 }, - { 50, 5000, SDL_PI_D / 2, 20000, 10000, 999, 0.0001 }, - { 50, 440, 0, 22050, 96000, 79, 0.0120 }, - { 50, 440, 0, 96000, 22050, 80, 0.0002 }, - { 0 } - }; - - int spec_idx = 0; - int min_channels = 1; - int max_channels = 1 /*8*/; - int num_channels = min_channels; - - for (spec_idx = 0; test_specs[spec_idx].time > 0;) { - 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 * num_channels) * (int)sizeof(float); - const int len_target = (frames_target * num_channels) * (int)sizeof(float); - const int max_target = len_target * 2; - - SDL_AudioSpec tmpspec1, tmpspec2; - Uint64 tick_beg = 0; - Uint64 tick_end = 0; - int i = 0; - int j = 0; - SDL_AudioStream *stream = NULL; - float *buf_in = NULL; - float *buf_out = NULL; - int len_out = 0; - double max_error = 0; - double sum_squared_error = 0; - double sum_squared_value = 0; - double signal_to_noise = 0; - - SDL_zero(tmpspec1); - SDL_zero(tmpspec2); - - 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); - - tmpspec1.format = SDL_AUDIO_F32; - tmpspec1.channels = num_channels; - tmpspec1.freq = spec->rate_in; - tmpspec2.format = SDL_AUDIO_F32; - tmpspec2.channels = num_channels; - tmpspec2.freq = spec->rate_out; - stream = SDL_CreateAudioStream(&tmpspec1, &tmpspec2); - SDLTest_AssertPass("Call to SDL_CreateAudioStream(SDL_AUDIO_F32, %i, %i, SDL_AUDIO_F32, %i, %i)", num_channels, spec->rate_in, num_channels, spec->rate_out); - SDLTest_AssertCheck(stream != NULL, "Expected SDL_CreateAudioStream to succeed."); - if (stream == NULL) { - return TEST_ABORTED; - } - - buf_in = (float *)SDL_malloc(len_in); - SDLTest_AssertCheck(buf_in != NULL, "Expected input buffer to be created."); - if (buf_in == NULL) { - SDL_DestroyAudioStream(stream); - return TEST_ABORTED; - } - - for (i = 0; i < frames_in; ++i) { - float f = (float)sine_wave_sample(i, spec->rate_in, spec->freq, spec->phase); - for (j = 0; j < num_channels; ++j) { - *(buf_in + (i * num_channels) + j) = f; - } - } - - tick_beg = SDL_GetPerformanceCounter(); - - buf_out = (float *)SDL_malloc(max_target); - SDLTest_AssertCheck(buf_out != NULL, "Expected output buffer to be created."); - if (buf_out == NULL) { - SDL_DestroyAudioStream(stream); - SDL_free(buf_in); - return TEST_ABORTED; - } - - len_out = convert_audio_chunks(stream, buf_in, len_in, buf_out, max_target); - SDLTest_AssertPass("Call to convert_audio_chunks(stream, buf_in, %i, buf_out, %i)", len_in, len_target); - SDLTest_AssertCheck(len_out == len_target, "Expected output length to be %i, got %i.", - len_target, len_out); - SDL_free(buf_in); - if (len_out != len_target) { - SDL_DestroyAudioStream(stream); - SDL_free(buf_out); - return TEST_ABORTED; - } - - tick_end = SDL_GetPerformanceCounter(); - SDLTest_Log("Resampling used %f seconds.", ((double)(tick_end - tick_beg)) / SDL_GetPerformanceFrequency()); - - for (i = 0; i < frames_target; ++i) { - const double target = sine_wave_sample(i, spec->rate_out, spec->freq, spec->phase); - for (j = 0; j < num_channels; ++j) { - const float output = *(buf_out + (i * num_channels) + j); - 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_DestroyAudioStream(stream); - SDL_free(buf_out); - 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); - - if (++num_channels > max_channels) { - num_channels = min_channels; - ++spec_idx; - } - } - - return TEST_COMPLETED; -} - -/** - * Check accuracy converting between audio formats. - * - * \sa SDL_ConvertAudioSamples - */ -static int SDLCALL audio_convertAccuracy(void *arg) -{ - static SDL_AudioFormat formats[] = { SDL_AUDIO_S8, SDL_AUDIO_U8, SDL_AUDIO_S16, SDL_AUDIO_S32 }; - static const char* format_names[] = { "S8", "U8", "S16", "S32" }; - - int src_num = 65537 + 2048 + 48 + 256 + 100000; - int src_len = src_num * sizeof(float); - float* src_data = SDL_malloc(src_len); - int i, j; - - SDLTest_AssertCheck(src_data != NULL, "Expected source buffer to be created."); - if (src_data == NULL) { - return TEST_ABORTED; - } - - j = 0; - - /* Generate a uniform range of floats between [-1.0, 1.0] */ - for (i = 0; i < 65537; ++i) { - src_data[j++] = ((float)i - 32768.0f) / 32768.0f; - } - - /* Generate floats close to 1.0 */ - const float max_val = 16777216.0f; - - for (i = 0; i < 1024; ++i) { - float f = (max_val + (float)(512 - i)) / max_val; - src_data[j++] = f; - src_data[j++] = -f; - } - - for (i = 0; i < 24; ++i) { - float f = (max_val + (float)(3u << i)) / max_val; - src_data[j++] = f; - src_data[j++] = -f; - } - - /* Generate floats far outside the [-1.0, 1.0] range */ - for (i = 0; i < 128; ++i) { - float f = 2.0f + (float) i; - src_data[j++] = f; - src_data[j++] = -f; - } - - /* Fill the rest with random floats between [-1.0, 1.0] */ - for (i = 0; i < 100000; ++i) { - src_data[j++] = SDLTest_RandomSint32() / 2147483648.0f; - } - - /* Shuffle the data for good measure */ - for (i = src_num - 1; i > 0; --i) { - float f = src_data[i]; - j = SDLTest_RandomIntegerInRange(0, i); - src_data[i] = src_data[j]; - src_data[j] = f; - } - - for (i = 0; i < SDL_arraysize(formats); ++i) { - SDL_AudioSpec src_spec, tmp_spec; - Uint64 convert_begin, convert_end; - Uint8 *tmp_data, *dst_data; - int tmp_len, dst_len; - int ret; - - SDL_zero(src_spec); - SDL_zero(tmp_spec); - - SDL_AudioFormat format = formats[i]; - const char* format_name = format_names[i]; - - /* Formats with > 23 bits can represent every value exactly */ - float min_delta = 1.0f; - float max_delta = -1.0f; - - /* Subtract 1 bit to account for sign */ - int bits = SDL_AUDIO_BITSIZE(format) - 1; - float target_max_delta = (bits > 23) ? 0.0f : (1.0f / (float)(1 << bits)); - float target_min_delta = -target_max_delta; - - src_spec.format = SDL_AUDIO_F32; - src_spec.channels = 1; - src_spec.freq = 44100; - - tmp_spec.format = format; - tmp_spec.channels = 1; - tmp_spec.freq = 44100; - - convert_begin = SDL_GetPerformanceCounter(); - - tmp_data = NULL; - tmp_len = 0; - ret = SDL_ConvertAudioSamples(&src_spec, (const Uint8*) src_data, src_len, &tmp_spec, &tmp_data, &tmp_len); - SDLTest_AssertCheck(ret == true, "Expected SDL_ConvertAudioSamples(F32->%s) to succeed", format_name); - if (!ret) { - SDL_free(src_data); - return TEST_ABORTED; - } - - dst_data = NULL; - dst_len = 0; - ret = SDL_ConvertAudioSamples(&tmp_spec, tmp_data, tmp_len, &src_spec, &dst_data, &dst_len); - SDLTest_AssertCheck(ret == true, "Expected SDL_ConvertAudioSamples(%s->F32) to succeed", format_name); - if (!ret) { - SDL_free(tmp_data); - SDL_free(src_data); - return TEST_ABORTED; - } - - convert_end = SDL_GetPerformanceCounter(); - SDLTest_Log("Conversion via %s took %f seconds.", format_name, ((double)(convert_end - convert_begin)) / SDL_GetPerformanceFrequency()); - - SDL_free(tmp_data); - - for (j = 0; j < src_num; ++j) { - float x = src_data[j]; - float y = ((float*)dst_data)[j]; - float d = SDL_clamp(x, -1.0f, 1.0f) - y; - - min_delta = SDL_min(min_delta, d); - max_delta = SDL_max(max_delta, d); - } - - SDLTest_AssertCheck(min_delta >= target_min_delta, "%s has min delta of %+f, should be >= %+f", format_name, min_delta, target_min_delta); - SDLTest_AssertCheck(max_delta <= target_max_delta, "%s has max delta of %+f, should be <= %+f", format_name, max_delta, target_max_delta); - - SDL_free(dst_data); - } - - SDL_free(src_data); - - return TEST_COMPLETED; -} - -/** - * Check accuracy when switching between formats - * - * \sa SDL_SetAudioStreamFormat - */ -static int SDLCALL audio_formatChange(void *arg) -{ - int i; - SDL_AudioSpec spec1, spec2, spec3; - int frames_1, frames_2, frames_3; - int length_1, length_2, length_3; - int result = 0; - int status = TEST_ABORTED; - float* buffer_1 = NULL; - float* buffer_2 = NULL; - float* buffer_3 = NULL; - SDL_AudioStream* stream = NULL; - double max_error = 0; - double sum_squared_error = 0; - double sum_squared_value = 0; - double signal_to_noise = 0; - double target_max_error = 0.02; - double target_signal_to_noise = 75.0; - int sine_freq = 500; - - SDL_zero(spec1); - SDL_zero(spec2); - SDL_zero(spec3); - - spec1.format = SDL_AUDIO_F32; - spec1.channels = 1; - spec1.freq = 20000; - - spec2.format = SDL_AUDIO_F32; - spec2.channels = 1; - spec2.freq = 40000; - - spec3.format = SDL_AUDIO_F32; - spec3.channels = 1; - spec3.freq = 80000; - - frames_1 = spec1.freq; - frames_2 = spec2.freq; - frames_3 = spec3.freq * 2; - - length_1 = (int)(frames_1 * sizeof(*buffer_1)); - buffer_1 = (float*) SDL_malloc(length_1); - if (!SDLTest_AssertCheck(buffer_1 != NULL, "Expected buffer_1 to be created.")) { - goto cleanup; - } - - length_2 = (int)(frames_2 * sizeof(*buffer_2)); - buffer_2 = (float*) SDL_malloc(length_2); - if (!SDLTest_AssertCheck(buffer_2 != NULL, "Expected buffer_2 to be created.")) { - goto cleanup; - } - - length_3 = (int)(frames_3 * sizeof(*buffer_3)); - buffer_3 = (float*) SDL_malloc(length_3); - if (!SDLTest_AssertCheck(buffer_3 != NULL, "Expected buffer_3 to be created.")) { - goto cleanup; - } - - for (i = 0; i < frames_1; ++i) { - buffer_1[i] = (float) sine_wave_sample(i, spec1.freq, sine_freq, 0.0f); - } - - for (i = 0; i < frames_2; ++i) { - buffer_2[i] = (float) sine_wave_sample(i, spec2.freq, sine_freq, 0.0f); - } - - stream = SDL_CreateAudioStream(NULL, NULL); - if (!SDLTest_AssertCheck(stream != NULL, "Expected SDL_CreateAudioStream to succeed")) { - goto cleanup; - } - - result = SDL_SetAudioStreamFormat(stream, &spec1, &spec3); - if (!SDLTest_AssertCheck(result == true, "Expected SDL_SetAudioStreamFormat(spec1, spec3) to succeed")) { - goto cleanup; - } - - result = SDL_GetAudioStreamAvailable(stream); - if (!SDLTest_AssertCheck(result == 0, "Expected SDL_GetAudioStreamAvailable return 0")) { - goto cleanup; - } - - result = SDL_PutAudioStreamData(stream, buffer_1, length_1); - if (!SDLTest_AssertCheck(result == true, "Expected SDL_PutAudioStreamData(buffer_1) to succeed")) { - goto cleanup; - } - - result = SDL_FlushAudioStream(stream); - if (!SDLTest_AssertCheck(result == true, "Expected SDL_FlushAudioStream to succeed")) { - goto cleanup; - } - - result = SDL_SetAudioStreamFormat(stream, &spec2, &spec3); - if (!SDLTest_AssertCheck(result == true, "Expected SDL_SetAudioStreamFormat(spec2, spec3) to succeed")) { - goto cleanup; - } - - result = SDL_PutAudioStreamData(stream, buffer_2, length_2); - if (!SDLTest_AssertCheck(result == true, "Expected SDL_PutAudioStreamData(buffer_1) to succeed")) { - goto cleanup; - } - - result = SDL_FlushAudioStream(stream); - if (!SDLTest_AssertCheck(result == true, "Expected SDL_FlushAudioStream to succeed")) { - goto cleanup; - } - - result = SDL_GetAudioStreamAvailable(stream); - if (!SDLTest_AssertCheck(result == length_3, "Expected SDL_GetAudioStreamAvailable to return %i, got %i", length_3, result)) { - goto cleanup; - } - - result = SDL_GetAudioStreamData(stream, buffer_3, length_3); - if (!SDLTest_AssertCheck(result == length_3, "Expected SDL_GetAudioStreamData to return %i, got %i", length_3, result)) { - goto cleanup; - } - - result = SDL_GetAudioStreamAvailable(stream); - if (!SDLTest_AssertCheck(result == 0, "Expected SDL_GetAudioStreamAvailable to return 0")) { - goto cleanup; - } - - for (i = 0; i < frames_3; ++i) { - const float output = buffer_3[i]; - const float target = (float) sine_wave_sample(i, spec3.freq, sine_freq, 0.0f); - const double error = SDL_fabs(target - output); - max_error = SDL_max(max_error, error); - sum_squared_error += error * error; - sum_squared_value += target * target; - } - - 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 >= target_signal_to_noise, "Conversion signal-to-noise ratio %f dB should be no less than %f dB.", - signal_to_noise, target_signal_to_noise); - SDLTest_AssertCheck(max_error <= target_max_error, "Maximum conversion error %f should be no more than %f.", - max_error, target_max_error); - - status = TEST_COMPLETED; - -cleanup: - SDL_free(buffer_1); - SDL_free(buffer_2); - SDL_free(buffer_3); - SDL_DestroyAudioStream(stream); - - return status; -} -/* ================= Test Case References ================== */ - -/* Audio test cases */ -static const SDLTest_TestCaseReference audioTestGetAudioFormatName = { - audio_getAudioFormatName, "audio_getAudioFormatName", "Call to SDL_GetAudioFormatName", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest1 = { - audio_enumerateAndNameAudioDevices, "audio_enumerateAndNameAudioDevices", "Enumerate and name available audio devices (playback and recording)", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest2 = { - audio_enumerateAndNameAudioDevicesNegativeTests, "audio_enumerateAndNameAudioDevicesNegativeTests", "Negative tests around enumeration and naming of audio devices.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest3 = { - audio_printAudioDrivers, "audio_printAudioDrivers", "Checks available audio driver names.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest4 = { - audio_printCurrentAudioDriver, "audio_printCurrentAudioDriver", "Checks current audio driver name with initialized audio.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest5 = { - audio_buildAudioStream, "audio_buildAudioStream", "Builds various audio conversion structures.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest6 = { - audio_buildAudioStreamNegative, "audio_buildAudioStreamNegative", "Checks calls with invalid input to SDL_CreateAudioStream", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest7 = { - audio_getAudioStatus, "audio_getAudioStatus", "Checks current audio status.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest8 = { - audio_openCloseAndGetAudioStatus, "audio_openCloseAndGetAudioStatus", "Opens and closes audio device and get audio status.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest9 = { - audio_lockUnlockOpenAudioDevice, "audio_lockUnlockOpenAudioDevice", "Locks and unlocks an open audio device.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest10 = { - audio_convertAudio, "audio_convertAudio", "Convert audio using available formats.", TEST_ENABLED -}; - -/* TODO: enable test when SDL_AudioDeviceConnected has been implemented. */ - -static const SDLTest_TestCaseReference audioTest11 = { - audio_openCloseAudioDeviceConnected, "audio_openCloseAudioDeviceConnected", "Opens and closes audio device and get connected status.", TEST_DISABLED -}; - -static const SDLTest_TestCaseReference audioTest12 = { - audio_quitInitAudioSubSystem, "audio_quitInitAudioSubSystem", "Quit and re-init audio subsystem.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest13 = { - audio_initQuitAudio, "audio_initQuitAudio", "Init and quit audio drivers directly.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest14 = { - audio_initOpenCloseQuitAudio, "audio_initOpenCloseQuitAudio", "Cycle through init, open, close and quit with various audio specs.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest15 = { - audio_pauseUnpauseAudio, "audio_pauseUnpauseAudio", "Pause and Unpause audio for various audio specs while testing callback.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest16 = { - audio_resampleLoss, "audio_resampleLoss", "Check signal-to-noise ratio and maximum error of audio resampling.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest17 = { - audio_convertAccuracy, "audio_convertAccuracy", "Check accuracy converting between audio formats.", TEST_ENABLED -}; - -static const SDLTest_TestCaseReference audioTest18 = { - audio_formatChange, "audio_formatChange", "Check handling of format changes.", TEST_ENABLED -}; - -/* Sequence of Audio test cases */ -static const SDLTest_TestCaseReference *audioTests[] = { - &audioTestGetAudioFormatName, - &audioTest1, &audioTest2, &audioTest3, &audioTest4, &audioTest5, &audioTest6, - &audioTest7, &audioTest8, &audioTest9, &audioTest10, &audioTest11, - &audioTest12, &audioTest13, &audioTest14, &audioTest15, &audioTest16, - &audioTest17, &audioTest18, NULL -}; - -/* Audio test suite (global) */ -SDLTest_TestSuiteReference audioTestSuite = { - "Audio", - audioSetUp, - audioTests, - audioTearDown -}; -- cgit v1.2.3