Make testaudiostreamdynamicresample compatible with emscripten
Anonymous Maarten
Anonymous Maarten
parent
1a7a74fb2e
commit
ea8757a748
|
|
@ -17,113 +17,174 @@
|
|||
#include <SDL3/SDL_test.h>
|
||||
#include "testutils.h"
|
||||
|
||||
#ifdef __EMSCRIPTEN__
|
||||
#include <emscripten/emscripten.h>
|
||||
#endif
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
#define SLIDER_WIDTH_PERC 500.f / 600.f
|
||||
#define SLIDER_HEIGHT_PERC 100.f / 480.f
|
||||
|
||||
static int done;
|
||||
static SDLTest_CommonState *state;
|
||||
|
||||
static int multiplier = 100;
|
||||
static SDL_FRect slider_area;
|
||||
static SDL_FRect slider_fill_area;
|
||||
static SDL_AudioSpec spec;
|
||||
static SDL_AudioStream *stream;
|
||||
static Uint8 *audio_buf = NULL;
|
||||
static Uint32 audio_len = 0;
|
||||
|
||||
static void loop(void)
|
||||
{
|
||||
int i;
|
||||
SDL_Event e;
|
||||
int newmultiplier = multiplier;
|
||||
|
||||
while (SDL_PollEvent(&e)) {
|
||||
SDLTest_CommonEvent(state, &e, &done);
|
||||
#ifdef __EMSCRIPTEN__
|
||||
if (done) {
|
||||
emscripten_cancel_main_loop();
|
||||
}
|
||||
#endif
|
||||
if (e.type == SDL_EVENT_MOUSE_MOTION) {
|
||||
if (e.motion.state & SDL_BUTTON_LMASK) {
|
||||
const SDL_FPoint p = { e.motion.x, e.motion.y };
|
||||
if (SDL_PointInRectFloat(&p, &slider_area)) {
|
||||
const float w = SDL_roundf(p.x - slider_area.x);
|
||||
slider_fill_area.w = w;
|
||||
newmultiplier = ((int) ((w / slider_area.w) * 800.0f)) - 400;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (multiplier != newmultiplier) {
|
||||
SDL_AudioSpec newspec;
|
||||
char title[64];
|
||||
int newfreq = spec.freq;
|
||||
|
||||
multiplier = newmultiplier;
|
||||
if (multiplier == 0) {
|
||||
SDL_snprintf(title, sizeof (title), "Drag the slider: Normal speed");
|
||||
} else if (multiplier < 0) {
|
||||
SDL_snprintf(title, sizeof (title), "Drag the slider: %.2fx slow", (-multiplier / 100.0f) + 1.0f);
|
||||
} else {
|
||||
SDL_snprintf(title, sizeof (title), "Drag the slider: %.2fx fast", (multiplier / 100.0f) + 1.0f);
|
||||
}
|
||||
for (i = 0; i < state->num_windows; i++) {
|
||||
SDL_SetWindowTitle(state->windows[i], title);
|
||||
}
|
||||
|
||||
/* this math sucks, but whatever. */
|
||||
if (multiplier < 0) {
|
||||
newfreq = spec.freq + (int) ((spec.freq * (multiplier / 400.0f)) * 0.75f);
|
||||
} else if (multiplier > 0) {
|
||||
newfreq = spec.freq + (int) (spec.freq * (multiplier / 100.0f));
|
||||
}
|
||||
/* SDL_Log("newfreq=%d multiplier=%d\n", newfreq, multiplier); */
|
||||
SDL_memcpy(&newspec, &spec, sizeof (spec));
|
||||
newspec.freq = newfreq;
|
||||
SDL_SetAudioStreamFormat(stream, &newspec, NULL);
|
||||
}
|
||||
|
||||
/* keep it looping. */
|
||||
if (SDL_GetAudioStreamAvailable(stream) < ((int) (audio_len / 2))) {
|
||||
SDL_PutAudioStreamData(stream, audio_buf, audio_len);
|
||||
}
|
||||
|
||||
for (i = 0; i < state->num_windows; i++) {
|
||||
SDL_SetRenderDrawColor(state->renderers[i], 0, 0, 255, 255);
|
||||
SDL_RenderClear(state->renderers[i]);
|
||||
SDL_SetRenderDrawColor(state->renderers[i], 0, 0, 0, 255);
|
||||
SDL_RenderFillRect(state->renderers[i], &slider_area);
|
||||
SDL_SetRenderDrawColor(state->renderers[i], 255, 0, 0, 255);
|
||||
SDL_RenderFillRect(state->renderers[i], &slider_fill_area);
|
||||
SDL_RenderPresent(state->renderers[i]);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
SDL_Window *window;
|
||||
SDL_Renderer *renderer;
|
||||
SDL_bool done = SDL_FALSE;
|
||||
const SDL_FRect slider_area = { (640 - 500) / 2, (480 - 100) / 2, 500, 100 };
|
||||
SDL_FRect slider_fill_area = slider_area;
|
||||
int multiplier = 100;
|
||||
SDL_AudioSpec spec;
|
||||
Uint8 *audio_buf = NULL;
|
||||
Uint32 audio_len = 0;
|
||||
SDL_AudioStream *stream;
|
||||
SDL_AudioDeviceID device;
|
||||
const char *fname = "sample.wav";
|
||||
char *path;
|
||||
char *filename = NULL;
|
||||
int i;
|
||||
int rc;
|
||||
|
||||
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO);
|
||||
window = SDL_CreateWindow("Drag the slider: Normal speed", 640, 480, 0);
|
||||
renderer = SDL_CreateRenderer(window, NULL, 0);
|
||||
/* Initialize test framework */
|
||||
state = SDLTest_CommonCreateState(argv, SDL_INIT_AUDIO | SDL_INIT_VIDEO);
|
||||
if (state == NULL) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
path = GetNearbyFilename(fname);
|
||||
rc = SDL_LoadWAV(path ? path : fname, &spec, &audio_buf, &audio_len);
|
||||
SDL_free(path);
|
||||
/* Enable standard application logging */
|
||||
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
|
||||
|
||||
/* Parse commandline */
|
||||
for (i = 1; i < argc;) {
|
||||
int consumed;
|
||||
|
||||
consumed = SDLTest_CommonArg(state, i);
|
||||
if (!consumed) {
|
||||
if (!filename) {
|
||||
filename = argv[i];
|
||||
consumed = 1;
|
||||
}
|
||||
}
|
||||
if (consumed <= 0) {
|
||||
static const char *options[] = { "[sample.wav]", NULL };
|
||||
SDLTest_CommonLogUsage(state, argv[0], options);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
i += consumed;
|
||||
}
|
||||
|
||||
slider_area.x = state->window_w * (1.f - SLIDER_WIDTH_PERC) / 2;
|
||||
slider_area.y = state->window_h * (1.f - SLIDER_HEIGHT_PERC) / 2;
|
||||
slider_area.w = SLIDER_WIDTH_PERC * state->window_w;
|
||||
slider_area.h = SLIDER_HEIGHT_PERC * state->window_h;
|
||||
|
||||
slider_fill_area = slider_area;
|
||||
slider_fill_area.w /= 2;
|
||||
|
||||
/* Load the SDL library */
|
||||
if (!SDLTest_CommonInit(state)) {
|
||||
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
||||
return 1;
|
||||
}
|
||||
|
||||
filename = GetResourceFilename(filename, "sample.wav");
|
||||
rc = SDL_LoadWAV(filename, &spec, &audio_buf, &audio_len);
|
||||
SDL_free(filename);
|
||||
|
||||
if (rc < 0) {
|
||||
SDL_Log("Failed to load '%s': %s", fname, SDL_GetError());
|
||||
SDL_Log("Failed to load '%s': %s", filename, SDL_GetError());
|
||||
SDL_Quit();
|
||||
return 1;
|
||||
}
|
||||
|
||||
stream = SDL_CreateAudioStream(&spec, &spec);
|
||||
SDL_PutAudioStreamData(stream, audio_buf, audio_len);
|
||||
device = SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_OUTPUT, &spec);
|
||||
SDL_BindAudioStream(device, stream);
|
||||
|
||||
slider_fill_area.w /= 2;
|
||||
|
||||
while (!done) {
|
||||
SDL_Event e;
|
||||
int newmultiplier = multiplier;
|
||||
|
||||
while (SDL_PollEvent(&e)) {
|
||||
if (e.type == SDL_EVENT_QUIT) {
|
||||
done = 1;
|
||||
} else if (e.type == SDL_EVENT_KEY_DOWN) {
|
||||
if (e.key.keysym.sym == SDLK_ESCAPE) {
|
||||
done = 1;
|
||||
}
|
||||
} else if (e.type == SDL_EVENT_MOUSE_MOTION) {
|
||||
if (e.motion.state & SDL_BUTTON_LMASK) {
|
||||
const SDL_FPoint p = { e.motion.x, e.motion.y };
|
||||
if (SDL_PointInRectFloat(&p, &slider_area)) {
|
||||
const float w = SDL_roundf(p.x - slider_area.x);
|
||||
slider_fill_area.w = w;
|
||||
newmultiplier = ((int) ((w / slider_area.w) * 800.0f)) - 400;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (multiplier != newmultiplier) {
|
||||
SDL_AudioSpec newspec;
|
||||
char title[64];
|
||||
int newfreq = spec.freq;
|
||||
|
||||
multiplier = newmultiplier;
|
||||
if (multiplier == 0) {
|
||||
SDL_snprintf(title, sizeof (title), "Drag the slider: Normal speed");
|
||||
} else if (multiplier < 0) {
|
||||
SDL_snprintf(title, sizeof (title), "Drag the slider: %.2fx slow", (-multiplier / 100.0f) + 1.0f);
|
||||
} else {
|
||||
SDL_snprintf(title, sizeof (title), "Drag the slider: %.2fx fast", (multiplier / 100.0f) + 1.0f);
|
||||
}
|
||||
SDL_SetWindowTitle(window, title);
|
||||
|
||||
/* this math sucks, but whatever. */
|
||||
if (multiplier < 0) {
|
||||
newfreq = spec.freq + (int) ((spec.freq * (multiplier / 400.0f)) * 0.75f);
|
||||
} else if (multiplier > 0) {
|
||||
newfreq = spec.freq + (int) (spec.freq * (multiplier / 100.0f));
|
||||
}
|
||||
/* SDL_Log("newfreq=%d multiplier=%d\n", newfreq, multiplier); */
|
||||
SDL_memcpy(&newspec, &spec, sizeof (spec));
|
||||
newspec.freq = newfreq;
|
||||
SDL_SetAudioStreamFormat(stream, &newspec, NULL);
|
||||
}
|
||||
|
||||
/* keep it looping. */
|
||||
if (SDL_GetAudioStreamAvailable(stream) < ((int) (audio_len / 2))) {
|
||||
SDL_PutAudioStreamData(stream, audio_buf, audio_len);
|
||||
}
|
||||
|
||||
SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
|
||||
SDL_RenderClear(renderer);
|
||||
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
|
||||
SDL_RenderFillRect(renderer, &slider_area);
|
||||
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
|
||||
SDL_RenderFillRect(renderer, &slider_fill_area);
|
||||
SDL_RenderPresent(renderer);
|
||||
for (i = 0; i < state->num_windows; i++) {
|
||||
SDL_SetWindowTitle(state->windows[i], "Drag the slider: Normal speed");
|
||||
}
|
||||
|
||||
SDL_DestroyRenderer(renderer);
|
||||
SDL_DestroyWindow(window);
|
||||
SDL_CloseAudioDevice(device);
|
||||
stream = SDL_CreateAudioStream(&spec, &spec);
|
||||
SDL_PutAudioStreamData(stream, audio_buf, audio_len);
|
||||
SDL_BindAudioStream(state->audio_id, stream);
|
||||
|
||||
#ifdef __EMSCRIPTEN__
|
||||
emscripten_set_main_loop(loop, 0, 1);
|
||||
#else
|
||||
while (!done) {
|
||||
loop();
|
||||
}
|
||||
#endif
|
||||
|
||||
SDL_DestroyAudioStream(stream);
|
||||
SDL_free(audio_buf);
|
||||
SDLTest_CommonQuit(state);
|
||||
SDL_Quit();
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue