mirror of
https://github.com/shadps4-emu/ext-SDL.git
synced 2024-12-14 14:28:43 +00:00
1228 lines
47 KiB
C
1228 lines
47 KiB
C
/**
|
|
* 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 <math.h>
|
|
#include <stdio.h>
|
|
|
|
#include <SDL3/SDL.h>
|
|
#include <SDL3/SDL_test.h>
|
|
#include "testautomation_suites.h"
|
|
|
|
/* ================= Test Case Implementation ================== */
|
|
|
|
/* Fixture */
|
|
|
|
static void audioSetUp(void *arg)
|
|
{
|
|
/* Start SDL audio subsystem */
|
|
int ret = SDL_InitSubSystem(SDL_INIT_AUDIO);
|
|
SDLTest_AssertPass("Call to SDL_InitSubSystem(SDL_INIT_AUDIO)");
|
|
SDLTest_AssertCheck(ret == 0, "Check result from SDL_InitSubSystem(SDL_INIT_AUDIO)");
|
|
if (ret != 0) {
|
|
SDLTest_LogError("%s", SDL_GetError());
|
|
}
|
|
}
|
|
|
|
static void 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");
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
static SDL_AudioDeviceID g_audio_id = -1;
|
|
|
|
/* Test case functions */
|
|
|
|
/**
|
|
* \brief Stop and restart audio subsystem
|
|
*
|
|
* \sa SDL_QuitSubSystem
|
|
* \sa SDL_InitSubSystem
|
|
*/
|
|
static int 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;
|
|
}
|
|
|
|
/**
|
|
* \brief Start and stop audio directly
|
|
*
|
|
* \sa SDL_InitAudio
|
|
* \sa SDL_QuitAudio
|
|
*/
|
|
static int audio_initQuitAudio(void *arg)
|
|
{
|
|
int result;
|
|
int i, iMax;
|
|
const char *audioDriver;
|
|
|
|
/* 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 */
|
|
|
|
/* Call Init */
|
|
SDL_SetHint("SDL_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 == 0, "Validate result value; expected: 0 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_AUDIO_DRIVER", audioDriver);
|
|
result = SDL_InitSubSystem(SDL_INIT_AUDIO);
|
|
SDLTest_AssertPass("Call to SDL_AudioInit(NULL)");
|
|
SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 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;
|
|
}
|
|
|
|
/**
|
|
* \brief Start, open, close and stop audio
|
|
*
|
|
* \sa SDL_InitAudio
|
|
* \sa SDL_OpenAudioDevice
|
|
* \sa SDL_CloseAudioDevice
|
|
* \sa SDL_QuitAudio
|
|
*/
|
|
static int audio_initOpenCloseQuitAudio(void *arg)
|
|
{
|
|
int result;
|
|
int i, iMax, j, k;
|
|
const char *audioDriver;
|
|
SDL_AudioSpec desired;
|
|
|
|
/* 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 */
|
|
|
|
/* Change specs */
|
|
for (j = 0; j < 2; j++) {
|
|
|
|
/* Call Init */
|
|
SDL_SetHint("SDL_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 == 0, "Validate result value; expected: 0 got: %d", result);
|
|
|
|
/* Set spec */
|
|
SDL_memset(&desired, 0, sizeof(desired));
|
|
switch (j) {
|
|
case 0:
|
|
/* Set standard desired spec */
|
|
desired.freq = 22050;
|
|
desired.format = SDL_AUDIO_S16SYS;
|
|
desired.channels = 2;
|
|
desired.samples = 4096;
|
|
desired.callback = audio_testCallback;
|
|
desired.userdata = NULL;
|
|
|
|
case 1:
|
|
/* Set custom desired spec */
|
|
desired.freq = 48000;
|
|
desired.format = SDL_AUDIO_F32SYS;
|
|
desired.channels = 2;
|
|
desired.samples = 2048;
|
|
desired.callback = audio_testCallback;
|
|
desired.userdata = NULL;
|
|
break;
|
|
}
|
|
|
|
/* Call Open (maybe multiple times) */
|
|
for (k = 0; k <= j; k++) {
|
|
result = SDL_OpenAudioDevice(NULL, 0, &desired, NULL, 0);
|
|
if (k == 0) {
|
|
g_audio_id = result;
|
|
}
|
|
SDLTest_AssertPass("Call to SDL_OpenAudioDevice(NULL, 0, desired_spec_%d, NULL, 0), 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;
|
|
}
|
|
|
|
/**
|
|
* \brief Pause and unpause audio
|
|
*
|
|
* \sa SDL_PauseAudioDevice
|
|
* \sa SDL_PlayAudioDevice
|
|
*/
|
|
static int audio_pauseUnpauseAudio(void *arg)
|
|
{
|
|
int result;
|
|
int i, iMax, j, k, l;
|
|
int totalDelay;
|
|
int pause_on;
|
|
int originalCounter;
|
|
const char *audioDriver;
|
|
SDL_AudioSpec desired;
|
|
|
|
/* 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 */
|
|
|
|
/* Change specs */
|
|
for (j = 0; j < 2; j++) {
|
|
|
|
/* Call Init */
|
|
SDL_SetHint("SDL_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 == 0, "Validate result value; expected: 0 got: %d", result);
|
|
|
|
/* Set spec */
|
|
SDL_memset(&desired, 0, sizeof(desired));
|
|
switch (j) {
|
|
case 0:
|
|
/* Set standard desired spec */
|
|
desired.freq = 22050;
|
|
desired.format = SDL_AUDIO_S16SYS;
|
|
desired.channels = 2;
|
|
desired.samples = 4096;
|
|
desired.callback = audio_testCallback;
|
|
desired.userdata = NULL;
|
|
break;
|
|
|
|
case 1:
|
|
/* Set custom desired spec */
|
|
desired.freq = 48000;
|
|
desired.format = SDL_AUDIO_F32SYS;
|
|
desired.channels = 2;
|
|
desired.samples = 2048;
|
|
desired.callback = audio_testCallback;
|
|
desired.userdata = NULL;
|
|
break;
|
|
}
|
|
|
|
/* Call Open */
|
|
g_audio_id = SDL_OpenAudioDevice(NULL, 0, &desired, NULL, 0);
|
|
result = g_audio_id;
|
|
SDLTest_AssertPass("Call to SDL_OpenAudioDevice(NULL, 0, desired_spec_%d, NULL, 0)", j);
|
|
SDLTest_AssertCheck(result > 0, "Verify return value; expected > 0 got: %d", result);
|
|
|
|
/* 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) */
|
|
pause_on = 0;
|
|
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 */
|
|
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++) {
|
|
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 */
|
|
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);
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
/**
|
|
* \brief Enumerate and name available audio devices (output and capture).
|
|
*
|
|
* \sa SDL_GetNumAudioDevices
|
|
* \sa SDL_GetAudioDeviceName
|
|
*/
|
|
static int audio_enumerateAndNameAudioDevices(void *arg)
|
|
{
|
|
int t, tt;
|
|
int i, n, nn;
|
|
const char *name, *nameAgain;
|
|
|
|
/* Iterate over types: t=0 output device, t=1 input/capture device */
|
|
for (t = 0; t < 2; t++) {
|
|
|
|
/* Get number of devices. */
|
|
n = SDL_GetNumAudioDevices(t);
|
|
SDLTest_AssertPass("Call to SDL_GetNumAudioDevices(%i)", t);
|
|
SDLTest_Log("Number of %s devices < 0, reported as %i", (t) ? "capture" : "output", n);
|
|
SDLTest_AssertCheck(n >= 0, "Validate result is >= 0, got: %i", n);
|
|
|
|
/* Variation of non-zero type */
|
|
if (t == 1) {
|
|
tt = t + SDLTest_RandomIntegerInRange(1, 10);
|
|
nn = SDL_GetNumAudioDevices(tt);
|
|
SDLTest_AssertCheck(n == nn, "Verify result from SDL_GetNumAudioDevices(%i), expected same number of audio devices %i, got %i", tt, n, nn);
|
|
nn = SDL_GetNumAudioDevices(-tt);
|
|
SDLTest_AssertCheck(n == nn, "Verify result from SDL_GetNumAudioDevices(%i), expected same number of audio devices %i, got %i", -tt, n, nn);
|
|
}
|
|
|
|
/* List devices. */
|
|
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 SDL_GetNumAudioDevices
|
|
* \sa SDL_GetAudioDeviceName
|
|
*/
|
|
static int audio_enumerateAndNameAudioDevicesNegativeTests(void *arg)
|
|
{
|
|
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 SDL_GetNumAudioDrivers
|
|
* \sa SDL_GetAudioDriver
|
|
*/
|
|
static int 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;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks current audio driver name with initialized audio.
|
|
*
|
|
* \sa SDL_GetCurrentAudioDriver
|
|
*/
|
|
static int 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_S16LSB, SDL_AUDIO_S16MSB, SDL_AUDIO_S16SYS, SDL_AUDIO_S16,
|
|
SDL_AUDIO_S32LSB, SDL_AUDIO_S32MSB, SDL_AUDIO_S32SYS, SDL_AUDIO_S32,
|
|
SDL_AUDIO_F32LSB, SDL_AUDIO_F32MSB, SDL_AUDIO_F32SYS, SDL_AUDIO_F32 };
|
|
static const char *g_audioFormatsVerbose[] = { "SDL_AUDIO_S8", "SDL_AUDIO_U8", "SDL_AUDIO_S16LSB", "SDL_AUDIO_S16MSB", "SDL_AUDIO_S16SYS", "SDL_AUDIO_S16",
|
|
"SDL_AUDIO_S32LSB", "SDL_AUDIO_S32MSB", "SDL_AUDIO_S32SYS", "SDL_AUDIO_S32",
|
|
"SDL_AUDIO_F32LSB", "SDL_AUDIO_F32MSB", "SDL_AUDIO_F32SYS", "SDL_AUDIO_F32" };
|
|
static const int g_numAudioFormats = SDL_arraysize(g_audioFormats);
|
|
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);
|
|
|
|
/**
|
|
* \brief Builds various audio conversion structures
|
|
*
|
|
* \sa SDL_CreateAudioStream
|
|
*/
|
|
static int audio_buildAudioStream(void *arg)
|
|
{
|
|
SDL_AudioStream *stream;
|
|
SDL_AudioSpec spec1;
|
|
SDL_AudioSpec spec2;
|
|
int i, ii, j, jj, k, kk;
|
|
|
|
/* No conversion needed */
|
|
spec1.format = SDL_AUDIO_S16LSB;
|
|
spec1.channels = 2;
|
|
spec1.freq = 22050;
|
|
stream = SDL_CreateAudioStream(spec1.format, spec1.channels, spec1.freq,
|
|
spec1.format, spec1.channels, spec1.freq);
|
|
SDLTest_AssertPass("Call to SDL_CreateAudioStream(spec1 ==> spec1)");
|
|
SDLTest_AssertCheck(stream != NULL, "Verify stream value; expected: != NULL, got: %p", (void *)stream);
|
|
SDL_DestroyAudioStream(stream);
|
|
|
|
/* Typical conversion */
|
|
spec1.format = SDL_AUDIO_S8;
|
|
spec1.channels = 1;
|
|
spec1.freq = 22050;
|
|
spec2.format = SDL_AUDIO_S16LSB;
|
|
spec2.channels = 2;
|
|
spec2.freq = 44100;
|
|
stream = SDL_CreateAudioStream(spec1.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
SDLTest_AssertPass("Call to SDL_CreateAudioStream(spec1 ==> spec2)");
|
|
SDLTest_AssertCheck(stream != NULL, "Verify stream value; expected: != NULL, got: %p", (void *)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.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
|
|
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", (void *)stream);
|
|
if (stream == NULL) {
|
|
SDLTest_LogError("%s", SDL_GetError());
|
|
}
|
|
SDL_DestroyAudioStream(stream);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks calls with invalid input to SDL_CreateAudioStream
|
|
*
|
|
* \sa SDL_CreateAudioStream
|
|
*/
|
|
static int audio_buildAudioStreamNegative(void *arg)
|
|
{
|
|
const char *error;
|
|
SDL_AudioStream *stream;
|
|
SDL_AudioSpec spec1;
|
|
SDL_AudioSpec spec2;
|
|
int i;
|
|
char message[256];
|
|
|
|
/* Valid format */
|
|
spec1.format = SDL_AUDIO_S8;
|
|
spec1.channels = 1;
|
|
spec1.freq = 22050;
|
|
spec2.format = SDL_AUDIO_S16LSB;
|
|
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_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);
|
|
stream = SDL_CreateAudioStream(spec1.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
SDLTest_AssertPass("Call to SDL_CreateAudioStream(spec1 ==> spec2)");
|
|
SDLTest_AssertCheck(stream == NULL, "Verify stream value; expected: NULL, got: %p", (void *)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;
|
|
}
|
|
|
|
/**
|
|
* \brief Checks current audio status.
|
|
*
|
|
* \sa SDL_GetAudioDeviceStatus
|
|
*/
|
|
static int audio_getAudioStatus(void *arg)
|
|
{
|
|
SDL_AudioStatus result;
|
|
|
|
/* Check current audio status */
|
|
result = SDL_GetAudioDeviceStatus(g_audio_id);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioDeviceStatus(g_audio_id)");
|
|
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 SDL_GetAudioStatus
|
|
*/
|
|
static int audio_openCloseAndGetAudioStatus(void *arg)
|
|
{
|
|
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 = SDL_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 > 0, "Validate device ID; expected: > 0, got: %" SDL_PRIu32, id);
|
|
if (id > 0) {
|
|
|
|
/* 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 SDL_LockAudioDevice
|
|
* \sa SDL_UnlockAudioDevice
|
|
*/
|
|
static int audio_lockUnlockOpenAudioDevice(void *arg)
|
|
{
|
|
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 = SDL_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: > 0, got: %" SDL_PRIu32, id);
|
|
if (id > 0) {
|
|
/* 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 SDL_CreateAudioStream
|
|
*/
|
|
static int 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;
|
|
|
|
/* 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.format, spec1.channels, spec1.freq,
|
|
spec2.format, spec2.channels, spec2.freq);
|
|
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", (void *)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;
|
|
int src_samplesize, dst_samplesize;
|
|
|
|
src_samplesize = (SDL_AUDIO_BITSIZE(spec1.format) / 8) * spec1.channels;
|
|
dst_samplesize = (SDL_AUDIO_BITSIZE(spec2.format) / 8) * spec2.channels;
|
|
|
|
|
|
/* Create some random data to convert */
|
|
src_len = l * src_samplesize;
|
|
SDLTest_Log("Creating dummy sample buffer of %i length (%i bytes)", l, src_len);
|
|
src_buf = (Uint8 *)SDL_malloc(src_len);
|
|
SDLTest_AssertCheck(dst_buf != NULL, "Check src data buffer to convert is not NULL");
|
|
if (src_buf == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
src_len = src_len & ~(src_samplesize - 1);
|
|
dst_len = dst_samplesize * (src_len / src_samplesize);
|
|
if (spec1.freq < spec2.freq) {
|
|
const double mult = ((double)spec2.freq) / ((double)spec1.freq);
|
|
dst_len *= (int) SDL_ceil(mult);
|
|
}
|
|
|
|
dst_len = dst_len & ~(dst_samplesize - 1);
|
|
dst_buf = (Uint8 *)SDL_calloc(1, dst_len);
|
|
SDLTest_AssertCheck(dst_buf != NULL, "Check dst data buffer to convert is not NULL");
|
|
if (dst_buf == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Run the audio converter */
|
|
if (SDL_PutAudioStreamData(stream, src_buf, src_len) < 0 ||
|
|
SDL_FlushAudioStream(stream) < 0) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
real_dst_len = SDL_GetAudioStreamData(stream, dst_buf, dst_len);
|
|
SDLTest_AssertCheck(real_dst_len > 0, "Verify result value; expected: > 0; got: %i", real_dst_len);
|
|
if (real_dst_len < 0) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
SDL_DestroyAudioStream(stream);
|
|
/* Free converted buffer */
|
|
SDL_free(src_buf);
|
|
SDL_free(dst_buf);
|
|
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* \brief Opens, checks current connected status, and closes a device.
|
|
*
|
|
* \sa SDL_AudioDeviceConnected
|
|
*/
|
|
static int audio_openCloseAudioDeviceConnected(void *arg)
|
|
{
|
|
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 = SDL_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 > 0, "Validate device ID; expected: > 0, got: %" SDL_PRIu32, id);
|
|
if (id > 0) {
|
|
|
|
/* TODO: enable test code when function is available in SDL3 */
|
|
|
|
#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 * 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);
|
|
}
|
|
|
|
/**
|
|
* \brief 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 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, 60, 0.0025 },
|
|
{ 50, 5000, SDL_PI_D / 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;
|
|
int i = 0;
|
|
int ret = 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;
|
|
|
|
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);
|
|
|
|
stream = SDL_CreateAudioStream(SDL_AUDIO_F32, 1, spec->rate_in, SDL_AUDIO_F32, 1, spec->rate_out);
|
|
SDLTest_AssertPass("Call to SDL_CreateAudioStream(SDL_AUDIO_F32, 1, %i, SDL_AUDIO_F32, 1, %i)", spec->rate_in, 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) {
|
|
*(buf_in + i) = (float)sine_wave_sample(i, spec->rate_in, spec->freq, spec->phase);
|
|
}
|
|
|
|
tick_beg = SDL_GetPerformanceCounter();
|
|
|
|
ret = SDL_PutAudioStreamData(stream, buf_in, len_in);
|
|
SDLTest_AssertPass("Call to SDL_PutAudioStreamData(stream, buf_in, %i)", len_in);
|
|
SDLTest_AssertCheck(ret == 0, "Expected SDL_PutAudioStreamData to succeed.");
|
|
SDL_free(buf_in);
|
|
if (ret != 0) {
|
|
SDL_DestroyAudioStream(stream);
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
ret = SDL_FlushAudioStream(stream);
|
|
SDLTest_AssertPass("Call to SDL_FlushAudioStream(stream)");
|
|
SDLTest_AssertCheck(ret == 0, "Expected SDL_FlushAudioStream to succeed");
|
|
if (ret != 0) {
|
|
SDL_DestroyAudioStream(stream);
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
buf_out = (float *)SDL_malloc(len_target);
|
|
SDLTest_AssertCheck(buf_out != NULL, "Expected output buffer to be created.");
|
|
if (buf_out == NULL) {
|
|
SDL_DestroyAudioStream(stream);
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
len_out = SDL_GetAudioStreamData(stream, buf_out, len_target);
|
|
SDLTest_AssertPass("Call to SDL_GetAudioStreamData(stream, buf_out, %i)", len_target);
|
|
/** !!! FIXME: SDL_AudioStream does not return output of the same length as
|
|
** !!! FIXME: the input even if SDL_FlushAudioStream is called. */
|
|
SDLTest_AssertCheck(len_out <= len_target, "Expected output length to be no larger than %i, got %i.",
|
|
len_target, len_out);
|
|
SDL_DestroyAudioStream(stream);
|
|
if (len_out > len_target) {
|
|
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 < len_out / (int)sizeof(float); ++i) {
|
|
const float output = *(buf_out + 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(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);
|
|
}
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
/* ================= Test Case References ================== */
|
|
|
|
/* Audio test cases */
|
|
static const SDLTest_TestCaseReference audioTest1 = {
|
|
audio_enumerateAndNameAudioDevices, "audio_enumerateAndNameAudioDevices", "Enumerate and name available audio devices (output and capture)", 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
|
|
};
|
|
|
|
/* TODO: enable test when SDL_ConvertAudio segfaults on cygwin have been fixed.
|
|
* TODO: re-check, since this was changer to AudioStream */
|
|
/* For debugging, test case can be run manually using --filter audio_convertAudio */
|
|
|
|
static const SDLTest_TestCaseReference audioTest10 = {
|
|
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 = {
|
|
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
|
|
};
|
|
|
|
/* 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
|
|
};
|