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/testaudio.c | 1274 ------------------------------------ 1 file changed, 1274 deletions(-) delete mode 100644 contrib/SDL-3.2.8/test/testaudio.c (limited to 'contrib/SDL-3.2.8/test/testaudio.c') diff --git a/contrib/SDL-3.2.8/test/testaudio.c b/contrib/SDL-3.2.8/test/testaudio.c deleted file mode 100644 index 8abb3b2..0000000 --- a/contrib/SDL-3.2.8/test/testaudio.c +++ /dev/null @@ -1,1274 +0,0 @@ -/* - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely. -*/ - -#define SDL_MAIN_USE_CALLBACKS 1 -#include -#include -#include -#include "testutils.h" - -#define POOF_LIFETIME 250 -#define VISUALIZER_WIDTH 100 -#define VISUALIZER_HEIGHT 50 - -typedef struct Texture -{ - SDL_Texture *texture; - float w; - float h; -} Texture; - -typedef enum ThingType -{ - THING_NULL, - THING_PHYSDEV, - THING_PHYSDEV_RECORDING, - THING_LOGDEV, - THING_LOGDEV_RECORDING, - THING_TRASHCAN, - THING_STREAM, - THING_POOF, - THING_WAV -} ThingType; - - -typedef struct Thing Thing; - -struct Thing -{ - ThingType what; - - union { - struct { - SDL_AudioDeviceID devid; - bool recording; - SDL_AudioSpec spec; - char *name; - } physdev; - struct { - SDL_AudioDeviceID devid; - bool recording; - SDL_AudioSpec spec; - Thing *physdev; - bool visualizer_enabled; - bool visualizer_updated; - SDL_Texture *visualizer; - SDL_Mutex *postmix_lock; - float *postmix_buffer; - int postmix_buflen; - int postmix_allocated; - SDL_AudioSpec postmix_spec; - SDL_AtomicInt postmix_updated; - } logdev; - struct { - SDL_AudioSpec spec; - Uint8 *buf; - Uint32 buflen; - } wav; - struct { - float startw; - float starth; - float centerx; - float centery; - } poof; - struct { - SDL_AudioStream *stream; - int total_bytes; - Uint64 next_level_update; - Uint8 levels[5]; - } stream; - } data; - - Thing *line_connected_to; - char *titlebar; - SDL_FRect rect; - float z; - Uint8 r, g, b, a; - float progress; - float meter; - float scale; - Uint64 createticks; - Texture *texture; - const ThingType *can_be_dropped_onto; - - void (*ontick)(Thing *thing, Uint64 now); - void (*ondrag)(Thing *thing, int button, float x, float y); - void (*ondrop)(Thing *thing, int button, float x, float y); - void (*ondraw)(Thing *thing, SDL_Renderer *renderer); - void (*onmousewheel)(Thing *thing, float y); - - Thing *prev; - Thing *next; -}; - - -static Uint64 app_ready_ticks = 0; -static SDLTest_CommonState *state = NULL; - -static Thing *things = NULL; - -static Thing *mouseover_thing = NULL; -static Thing *droppable_highlighted_thing = NULL; -static Thing *dragging_thing = NULL; -static int dragging_button = -1; -static int dragging_button_real = -1; -static bool ctrl_held = false; -static bool alt_held = false; - -static Texture *physdev_texture = NULL; -static Texture *logdev_texture = NULL; -static Texture *audio_texture = NULL; -static Texture *trashcan_texture = NULL; -static Texture *soundboard_texture = NULL; -static Texture *soundboard_levels_texture = NULL; - - -static void SetTitleBar(const char *fmt, ...) -{ - char *title = NULL; - va_list ap; - va_start(ap, fmt); - SDL_vasprintf(&title, fmt, ap); - va_end(ap); - - SDL_SetWindowTitle(state->windows[0], title); - SDL_free(title); -} - -static void SetDefaultTitleBar(void) -{ - SetTitleBar("testaudio: %s", SDL_GetCurrentAudioDriver()); -} - -static Thing *FindThingAtPoint(const float x, const float y) -{ - const SDL_FPoint pt = { x, y }; - Thing *result = NULL; - Thing *i; - for (i = things; i; i = i->next) { - if ((i != dragging_thing) && SDL_PointInRectFloat(&pt, &i->rect)) { - result = i; /* keep going, though, because things drawn on top are later in the list. */ - } - } - return result; -} - -static Thing *UpdateMouseOver(const float x, const float y) -{ - Thing *thing; - - if (dragging_thing) { - thing = dragging_thing; - } else { - thing = FindThingAtPoint(x, y); - } - - mouseover_thing = thing; - - if (!thing) { - SetDefaultTitleBar(); - } else if (thing->titlebar) { - SetTitleBar("%s", thing->titlebar); - } - - return thing; -} - -static Thing *CreateThing(ThingType what, float x, float y, float z, float w, float h, Texture *texture, const char *titlebar) -{ - Thing *last = NULL; - Thing *i; - Thing *thing; - - thing = (Thing *) SDL_calloc(1, sizeof (Thing)); - if (!thing) { - SDL_Log("Out of memory!"); - return NULL; - } - - if ((w < 0) || (h < 0)) { - SDL_assert(texture != NULL); - if (w < 0) { - w = texture->w; - } - if (h < 0) { - h = texture->h; - } - } - - thing->what = what; - thing->rect.x = x; - thing->rect.y = y; - thing->rect.w = w; - thing->rect.h = h; - thing->z = z; - thing->r = 255; - thing->g = 255; - thing->b = 255; - thing->a = 255; - thing->scale = 1.0f; - thing->createticks = SDL_GetTicks(); - thing->texture = texture; - thing->titlebar = titlebar ? SDL_strdup(titlebar) : NULL; /* if allocation fails, oh well. */ - - /* insert in list by Z order (furthest from the "camera" first, so they get drawn over; negative Z is not drawn at all). */ - if (!things) { - things = thing; - return thing; - } - - for (i = things; i; i = i->next) { - if (z > i->z) { /* insert here. */ - thing->next = i; - thing->prev = i->prev; - - SDL_assert(i->prev == last); - - if (i->prev) { - i->prev->next = thing; - } else { - SDL_assert(i == things); - things = thing; - } - i->prev = thing; - return thing; - } - last = i; - } - - if (last) { - last->next = thing; - thing->prev = last; - } - return thing; -} - -static void DestroyThing(Thing *thing) -{ - if (!thing) { - return; - } - - if (mouseover_thing == thing) { - mouseover_thing = NULL; - } - - if (droppable_highlighted_thing == thing) { - droppable_highlighted_thing = NULL; - } - - if (dragging_thing == thing) { - dragging_thing = NULL; - } - - switch (thing->what) { - case THING_POOF: break; - case THING_NULL: break; - case THING_TRASHCAN: break; - - case THING_LOGDEV: - case THING_LOGDEV_RECORDING: - SDL_CloseAudioDevice(thing->data.logdev.devid); - if (state->renderers[0] != NULL) { - SDL_DestroyTexture(thing->data.logdev.visualizer); - } - SDL_DestroyMutex(thing->data.logdev.postmix_lock); - SDL_free(thing->data.logdev.postmix_buffer); - break; - - case THING_PHYSDEV: - case THING_PHYSDEV_RECORDING: - SDL_free(thing->data.physdev.name); - break; - - case THING_WAV: - SDL_free(thing->data.wav.buf); - break; - - case THING_STREAM: - SDL_DestroyAudioStream(thing->data.stream.stream); - break; - } - - if (thing->prev) { - SDL_assert(thing != things); - thing->prev->next = thing->next; - } else { - SDL_assert(thing == things); - things = thing->next; - } - - if (thing->next) { - thing->next->prev = thing->prev; - } - - SDL_free(thing->titlebar); - SDL_free(thing); -} - -static void DrawOneThing(SDL_Renderer *renderer, Thing *thing) -{ - SDL_FRect dst; - SDL_memcpy(&dst, &thing->rect, sizeof (SDL_FRect)); - if (thing->scale != 1.0f) { - const float centerx = thing->rect.x + (thing->rect.w / 2); - const float centery = thing->rect.y + (thing->rect.h / 2); - const int w = thing->texture ? (int) thing->texture->w : 128; - const int h = thing->texture ? (int) thing->texture->h : 128; - dst.w = w * thing->scale; - dst.h = h * thing->scale; - dst.x = centerx - (dst.w / 2); - dst.y = centery - (dst.h / 2); - } - - if (thing->texture) { - if (droppable_highlighted_thing == thing) { - SDL_SetRenderDrawColor(renderer, 255, 0, 255, 100); - SDL_RenderFillRect(renderer, &dst); - } - SDL_SetRenderDrawColor(renderer, thing->r, thing->g, thing->b, thing->a); - SDL_RenderTexture(renderer, thing->texture->texture, NULL, &dst); - } else { - SDL_SetRenderDrawColor(renderer, thing->r, thing->g, thing->b, thing->a); - SDL_RenderFillRect(renderer, &dst); - } - - if (thing->ondraw) { - thing->ondraw(thing, renderer); - } - - if (thing->progress > 0.0f) { - SDL_FRect r = { thing->rect.x, thing->rect.y + (thing->rect.h + 2.0f), 0.0f, 10.0f }; - r.w = thing->rect.w * ((thing->progress > 1.0f) ? 1.0f : thing->progress); - SDL_SetRenderDrawColor(renderer, 255, 255, 255, 128); - SDL_RenderFillRect(renderer, &r); - } - - if (thing->meter > 0.0f) { - SDL_FRect r; - r.w = 10.0f; - r.h = thing->rect.h * ((thing->meter > 1.0f) ? 1.0f : thing->meter); - r.x = thing->rect.x + thing->rect.w + 2.0f; - r.y = (thing->rect.y + thing->rect.h) - r.h; - SDL_SetRenderDrawColor(renderer, 255, 255, 255, 128); - SDL_RenderFillRect(renderer, &r); - } -} - -static void DrawThings(SDL_Renderer *renderer) -{ - Thing *i; - - /* draw connecting lines first, so they're behind everything else. */ - for (i = things; i && (i->z >= 0.0f); i = i->next) { - Thing *dst = i->line_connected_to; - if (dst) { - SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255); - SDL_RenderLine(renderer, i->rect.x + (i->rect.w / 2), i->rect.y + (i->rect.h / 2), dst->rect.x + (dst->rect.w / 2), dst->rect.y + (dst->rect.h / 2)); - } - } - - /* Draw the actual things. */ - for (i = things; i && (i->z >= 0.0f); i = i->next) { - if (i != dragging_thing) { - DrawOneThing(renderer, i); - } - } - - if (dragging_thing) { - DrawOneThing(renderer, dragging_thing); /* draw last so it's always on top. */ - } -} - -static void Draw(void) -{ - SDL_Renderer *renderer = state->renderers[0]; - if (renderer) { /* might be NULL if we're shutting down. */ - SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND); - SDL_SetRenderDrawColor(renderer, 64, 0, 64, 255); - SDL_RenderClear(renderer); - DrawThings(renderer); - SDL_RenderPresent(renderer); - } -} - -static void RepositionRowOfThings(const ThingType what, const float y) -{ - int total_things = 0; - float texw = 0.0f; - float texh = 0.0f; - Thing *i; - - for (i = things; i; i = i->next) { - if (i->what == what) { - texw = i->rect.w; - texh = i->rect.h; - total_things++; - } - } - - if (total_things > 0) { - int w, h; - SDL_GetWindowSize(state->windows[0], &w, &h); - const float spacing = w / ((float) total_things); - float x = (spacing - texw) / 2.0f; - for (i = things; i; i = i->next) { - if (i->what == what) { - i->rect.x = x; - i->rect.y = (y >= 0.0f) ? y : ((h + y) - texh); - x += spacing; - } - } - } -} - -static const char *AudioChansToStr(const int channels) -{ - switch (channels) { - case 1: return "mono"; - case 2: return "stereo"; - case 3: return "2.1"; - case 4: return "quad"; - case 5: return "4.1"; - case 6: return "5.1"; - case 7: return "6.1"; - case 8: return "7.1"; - default: break; - } - return "?"; -} - -static void PoofThing_ondrag(Thing *thing, int button, float x, float y) -{ - dragging_thing = NULL; /* refuse to be dragged. */ -} - -static void PoofThing_ontick(Thing *thing, Uint64 now) -{ - const int lifetime = POOF_LIFETIME; - const int elapsed = (int) (now - thing->createticks); - if (elapsed > lifetime) { - DestroyThing(thing); - } else { - const float pct = ((float) elapsed) / ((float) lifetime); - thing->a = (Uint8) (int) (255.0f - (pct * 255.0f)); - thing->scale = 1.0f - pct; /* shrink to nothing! */ - } -} - -static Thing *CreatePoofThing(Thing *poofing_thing) -{ - const float centerx = poofing_thing->rect.x + (poofing_thing->rect.w / 2); - const float centery = poofing_thing->rect.y + (poofing_thing->rect.h / 2); - const float z = poofing_thing->z; - Thing *thing = CreateThing(THING_POOF, poofing_thing->rect.x, poofing_thing->rect.y, z, poofing_thing->rect.w, poofing_thing->rect.h, poofing_thing->texture, NULL); - if (thing) { - thing->data.poof.startw = poofing_thing->rect.w; - thing->data.poof.starth = poofing_thing->rect.h; - thing->data.poof.centerx = centerx; - thing->data.poof.centery = centery; - thing->ontick = PoofThing_ontick; - thing->ondrag = PoofThing_ondrag; - } - return thing; -} - -static void DestroyThingInPoof(Thing *thing) -{ - if (thing) { - if (thing->what != THING_POOF) { - CreatePoofThing(thing); - } - DestroyThing(thing); - } -} - -/* this poofs a thing and additionally poofs all things connected to the thing. */ -static void TrashThing(Thing *thing) -{ - Thing *i, *next; - for (i = things; i; i = next) { - next = i->next; - if (i->line_connected_to == thing) { - TrashThing(i); - next = things; /* start over in case this blew up the list. */ - } - } - DestroyThingInPoof(thing); -} - -static void StreamThing_ontick(Thing *thing, Uint64 now) -{ - if (!thing->line_connected_to) { - return; - } - - /* are we playing? See if we're done, or update state. */ - if (thing->line_connected_to->what == THING_LOGDEV) { - const int available = SDL_GetAudioStreamAvailable(thing->data.stream.stream); - if (!available) { - DestroyThingInPoof(thing); - return; - } else { - thing->progress = 1.0f - (thing->data.stream.total_bytes ? (((float) (available)) / ((float) thing->data.stream.total_bytes)) : 0.0f); - } - } - - if (thing->data.stream.next_level_update <= now) { - Uint64 perf = SDL_GetPerformanceCounter(); - int i; - for (i = 0; i < SDL_arraysize(thing->data.stream.levels); i++) { - thing->data.stream.levels[i] = (Uint8) (perf % 6); - perf >>= 3; - } - thing->data.stream.next_level_update += 150; - } -} - -static void StreamThing_ondrag(Thing *thing, int button, float x, float y) -{ - if (button == SDL_BUTTON_RIGHT) { /* this is kinda hacky, but use this to disconnect from a playing source. */ - if (thing->line_connected_to) { - SDL_UnbindAudioStream(thing->data.stream.stream); /* unbind from current device */ - if (thing->line_connected_to->what == THING_LOGDEV_RECORDING) { - SDL_FlushAudioStream(thing->data.stream.stream); - } - thing->line_connected_to = NULL; - } - } -} - -static void StreamThing_ondrop(Thing *thing, int button, float x, float y) -{ - if (droppable_highlighted_thing) { - if (droppable_highlighted_thing->what == THING_TRASHCAN) { - TrashThing(thing); - } else if (((droppable_highlighted_thing->what == THING_LOGDEV) || (droppable_highlighted_thing->what == THING_LOGDEV_RECORDING)) && (droppable_highlighted_thing != thing->line_connected_to)) { - /* connect to a logical device! */ - SDL_Log("Binding audio stream ('%s') to logical device %u", thing->titlebar, (unsigned int) droppable_highlighted_thing->data.logdev.devid); - if (thing->line_connected_to) { - SDL_UnbindAudioStream(thing->data.stream.stream); /* unbind from current device */ - if (thing->line_connected_to->what == THING_LOGDEV_RECORDING) { - SDL_FlushAudioStream(thing->data.stream.stream); - } - } - - SDL_BindAudioStream(droppable_highlighted_thing->data.logdev.devid, thing->data.stream.stream); /* bind to new device! */ - thing->data.stream.total_bytes = SDL_GetAudioStreamAvailable(thing->data.stream.stream); - thing->progress = 0.0f; /* ontick will adjust this if we're on a playback device.*/ - thing->data.stream.next_level_update = SDL_GetTicks() + 100; - thing->line_connected_to = droppable_highlighted_thing; - } - } -} - -static void StreamThing_onmousewheel(Thing *thing, float y) -{ - thing->meter += y * 0.01f; - thing->meter = SDL_clamp(thing->meter, 0.0f, 1.0f); - SDL_SetAudioStreamGain(thing->data.stream.stream, thing->meter); -} - -static void StreamThing_ondraw(Thing *thing, SDL_Renderer *renderer) -{ - if (thing->line_connected_to) { /* are we playing? Update progress bar, and bounce the levels a little. */ - static const float xlocs[5] = { 18, 39, 59, 79, 99 }; - static const float ylocs[5] = { 49, 39, 29, 19, 10 }; - const float blockw = soundboard_levels_texture->w; - const float blockh = soundboard_levels_texture->h / 5.0f; - int i, j; - SDL_SetRenderDrawColor(renderer, thing->r, thing->g, thing->b, thing->a); - for (i = 0; i < SDL_arraysize(thing->data.stream.levels); i++) { - const int level = (int) thing->data.stream.levels[i]; - const float x = xlocs[i]; - for (j = 0; j < level; j++) { - const SDL_FRect src = { 0, soundboard_levels_texture->h - ((j+1) * blockh), blockw, blockh }; - const SDL_FRect dst = { thing->rect.x + x, thing->rect.y + ylocs[j], blockw, blockh }; - SDL_RenderTexture(renderer, soundboard_levels_texture->texture, &src, &dst); - } - } - } -} - -static Thing *CreateStreamThing(const SDL_AudioSpec *spec, const Uint8 *buf, const Uint32 buflen, const char *fname, const float x, const float y) -{ - static const ThingType can_be_dropped_onto[] = { THING_TRASHCAN, THING_LOGDEV, THING_LOGDEV_RECORDING, THING_NULL }; - Thing *thing = CreateThing(THING_STREAM, x, y, 0, -1, -1, soundboard_texture, fname); - if (thing) { - SDL_Log("Adding audio stream for %s", fname ? fname : "(null)"); - thing->data.stream.stream = SDL_CreateAudioStream(spec, spec); - if (buf && buflen) { - SDL_PutAudioStreamData(thing->data.stream.stream, buf, (int) buflen); - SDL_FlushAudioStream(thing->data.stream.stream); - thing->data.stream.total_bytes = SDL_GetAudioStreamAvailable(thing->data.stream.stream); - } - thing->ontick = StreamThing_ontick; - thing->ondrag = StreamThing_ondrag; - thing->ondrop = StreamThing_ondrop; - thing->ondraw = StreamThing_ondraw; - thing->onmousewheel = StreamThing_onmousewheel; - thing->can_be_dropped_onto = can_be_dropped_onto; - thing->meter = 1.0f; /* gain. */ - } - return thing; -} - -static void WavThing_ondrag(Thing *thing, int button, float x, float y) -{ - if (button == SDL_BUTTON_RIGHT) { /* drag out a new audio stream. */ - dragging_thing = CreateStreamThing(&thing->data.wav.spec, thing->data.wav.buf, thing->data.wav.buflen, thing->titlebar, x - (thing->rect.w / 2), y - (thing->rect.h / 2)); - } -} - -static void WavThing_ondrop(Thing *thing, int button, float x, float y) -{ - if (droppable_highlighted_thing) { - if (droppable_highlighted_thing->what == THING_TRASHCAN) { - TrashThing(thing); - } - } -} - -static Thing *LoadWavThing(const char *fname, float x, float y) -{ - Thing *thing = NULL; - char *path; - SDL_AudioSpec spec; - Uint8 *buf = NULL; - Uint32 buflen = 0; - - path = GetNearbyFilename(fname); - if (path) { - fname = path; - } - - if (SDL_LoadWAV(fname, &spec, &buf, &buflen)) { - static const ThingType can_be_dropped_onto[] = { THING_TRASHCAN, THING_NULL }; - char *titlebar = NULL; - const char *nodirs = SDL_strrchr(fname, '/'); - #ifdef SDL_PLATFORM_WINDOWS - const char *nodirs2 = SDL_strrchr(nodirs ? nodirs : fname, '\\'); - if (nodirs2) { - nodirs = nodirs2; - } - #endif - - SDL_Log("Adding WAV file '%s'", fname); - - if (nodirs) { - nodirs++; - } else { - nodirs = fname; - } - - SDL_asprintf(&titlebar, "WAV file (\"%s\", %s, %s, %uHz)", nodirs, SDL_GetAudioFormatName(spec.format), AudioChansToStr(spec.channels), (unsigned int) spec.freq); - thing = CreateThing(THING_WAV, x - (audio_texture->w / 2), y - (audio_texture->h / 2), 5, -1, -1, audio_texture, titlebar); - if (thing) { - SDL_free(titlebar); - SDL_memcpy(&thing->data.wav.spec, &spec, sizeof (SDL_AudioSpec)); - thing->data.wav.buf = buf; - thing->data.wav.buflen = buflen; - thing->can_be_dropped_onto = can_be_dropped_onto; - thing->ondrag = WavThing_ondrag; - thing->ondrop = WavThing_ondrop; - } - } - - SDL_free(path); - - return thing; -} - -static Thing *LoadStockWavThing(const char *fname) -{ - char *path = GetNearbyFilename(fname); - Thing *thing = LoadWavThing(path ? path : fname, 0.0f, 0.0f); /* will reposition in a moment. */ - SDL_free(path); - return thing; -} - -static void LoadStockWavThings(void) -{ - LoadStockWavThing("sample.wav"); - RepositionRowOfThings(THING_WAV, -10.0f); -} - -static void DestroyTexture(Texture *tex) -{ - if (tex) { - if (state->renderers[0] != NULL) { /* if the renderer went away, this pointer is already bogus. */ - SDL_DestroyTexture(tex->texture); - } - SDL_free(tex); - } -} - -static Texture *CreateTexture(const char *fname) -{ - Texture *tex = (Texture *) SDL_calloc(1, sizeof (Texture)); - if (!tex) { - SDL_Log("Out of memory!"); - } else { - int texw, texh; - tex->texture = LoadTexture(state->renderers[0], fname, true, &texw, &texh); - if (!tex->texture) { - SDL_Log("Failed to load '%s': %s", fname, SDL_GetError()); - SDL_free(tex); - return NULL; - } - SDL_SetTextureBlendMode(tex->texture, SDL_BLENDMODE_BLEND); - tex->w = (float) texw; - tex->h = (float) texh; - } - return tex; -} - -static Thing *CreateLogicalDeviceThing(Thing *parent, SDL_AudioDeviceID which, float x, float y); - -static void DeviceThing_ondrag(Thing *thing, int button, float x, float y) -{ - if ((button == SDL_BUTTON_MIDDLE) && (thing->what == THING_LOGDEV_RECORDING)) { /* drag out a new stream. This is a UX mess. :/ */ - dragging_thing = CreateStreamThing(&thing->data.logdev.spec, NULL, 0, NULL, x, y); - if (dragging_thing) { - dragging_thing->data.stream.next_level_update = SDL_GetTicks() + 100; - SDL_BindAudioStream(thing->data.logdev.devid, dragging_thing->data.stream.stream); /* bind to new device! */ - dragging_thing->line_connected_to = thing; - } - } else if (button == SDL_BUTTON_RIGHT) { /* drag out a new logical device. */ - const SDL_AudioDeviceID which = ((thing->what == THING_LOGDEV) || (thing->what == THING_LOGDEV_RECORDING)) ? thing->data.logdev.devid : thing->data.physdev.devid; - const SDL_AudioDeviceID devid = SDL_OpenAudioDevice(which, NULL); - dragging_thing = devid ? CreateLogicalDeviceThing(thing, devid, x - (thing->rect.w / 2), y - (thing->rect.h / 2)) : NULL; - } -} - -static void SetLogicalDeviceTitlebar(Thing *thing) -{ - SDL_AudioSpec *spec = &thing->data.logdev.spec; - int frames = 0; - SDL_GetAudioDeviceFormat(thing->data.logdev.devid, spec, &frames); - SDL_free(thing->titlebar); - SDL_asprintf(&thing->titlebar, "Logical device #%u (%s, %s, %s, %uHz, %d frames)", (unsigned int) thing->data.logdev.devid, thing->data.logdev.recording ? "RECORDING" : "PLAYBACK", SDL_GetAudioFormatName(spec->format), AudioChansToStr(spec->channels), (unsigned int) spec->freq, frames); -} - -static void LogicalDeviceThing_ondrop(Thing *thing, int button, float x, float y) -{ - if (droppable_highlighted_thing) { - if (droppable_highlighted_thing->what == THING_TRASHCAN) { - TrashThing(thing); - } - } -} - -static void SDLCALL PostmixCallback(void *userdata, const SDL_AudioSpec *spec, float *buffer, int buflen) -{ - Thing *thing = (Thing *) userdata; - - SDL_LockMutex(thing->data.logdev.postmix_lock); - - if (thing->data.logdev.postmix_allocated < buflen) { - void *ptr = SDL_realloc(thing->data.logdev.postmix_buffer, buflen); - if (!ptr) { - SDL_UnlockMutex(thing->data.logdev.postmix_lock); - return; /* oh well. */ - } - thing->data.logdev.postmix_buffer = (float *) ptr; - thing->data.logdev.postmix_allocated = buflen; - } - - SDL_copyp(&thing->data.logdev.postmix_spec, spec); - SDL_memcpy(thing->data.logdev.postmix_buffer, buffer, buflen); - thing->data.logdev.postmix_buflen = buflen; - SDL_SetAtomicInt(&thing->data.logdev.postmix_updated, 1); - - SDL_UnlockMutex(thing->data.logdev.postmix_lock); -} - -static void UpdateVisualizer(SDL_Renderer *renderer, SDL_Texture *visualizer, const int channels, const float *buffer, const int buflen) -{ - static const SDL_Color channel_colors[8] = { - { 255, 255, 255, 255 }, - { 255, 0, 0, 255 }, - { 0, 255, 0, 255 }, - { 0, 0, 255, 255 }, - { 255, 255, 0, 255 }, - { 0, 255, 255, 255 }, - { 255, 0, 255, 255 }, - { 127, 127, 127, 255 } - }; - - SDL_SetRenderTarget(renderer, visualizer); - SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0); - SDL_RenderClear(renderer); - - if (buffer && buflen) { - const int frames = (buflen / sizeof (float)) / channels; - const int skip = frames / (VISUALIZER_WIDTH * 2); - int i, j; - - for (i = channels - 1; i >= 0; i--) { - const SDL_Color *color = &channel_colors[i % SDL_arraysize(channel_colors)]; - SDL_FPoint points[VISUALIZER_WIDTH + 2]; - float prevx = 0.0f; - int pointidx = 1; - - points[0].x = 0.0f; - points[0].y = VISUALIZER_HEIGHT * 0.5f; - - for (j = 0; j < (SDL_arraysize(points)-1); j++) { - const float val = buffer[((j * skip) * channels) + i]; - const float x = prevx + 2; - const float y = (VISUALIZER_HEIGHT * 0.5f) - (VISUALIZER_HEIGHT * (val * 0.5f)); - SDL_assert(pointidx < SDL_arraysize(points)); - points[pointidx].x = x; - points[pointidx].y = y; - pointidx++; - prevx = x; - } - - SDL_SetRenderDrawColor(renderer, color->r, color->g, color->b, 255); - SDL_RenderLines(renderer, points, pointidx); - } - } - - SDL_SetRenderTarget(renderer, NULL); -} - -static void LogicalDeviceThing_ontick(Thing *thing, Uint64 now) -{ - const bool ismousedover = (thing == mouseover_thing); - - if (!thing->data.logdev.visualizer || !thing->data.logdev.postmix_lock) { /* need these to work, skip if they failed. */ - return; - } - - if (thing->data.logdev.visualizer_enabled != ismousedover) { - thing->data.logdev.visualizer_enabled = ismousedover; - if (!ismousedover) { - SDL_SetAudioPostmixCallback(thing->data.logdev.devid, NULL, NULL); - } else { - if (thing->data.logdev.postmix_buffer) { - SDL_memset(thing->data.logdev.postmix_buffer, '\0', thing->data.logdev.postmix_buflen); - } - SDL_SetAtomicInt(&thing->data.logdev.postmix_updated, 1); /* so this will at least clear the texture later. */ - SDL_SetAudioPostmixCallback(thing->data.logdev.devid, PostmixCallback, thing); - } - } -} - -static void LogicalDeviceThing_ondraw(Thing *thing, SDL_Renderer *renderer) -{ - if (thing->data.logdev.visualizer_enabled) { - SDL_FRect dst; - dst.w = thing->rect.w; - dst.h = thing->rect.h; - dst.x = thing->rect.x + ((thing->rect.w - dst.w) / 2); - dst.y = thing->rect.y + ((thing->rect.h - dst.h) / 2); - - if (SDL_GetAtomicInt(&thing->data.logdev.postmix_updated)) { - float *buffer; - int channels; - int buflen; - - SDL_LockMutex(thing->data.logdev.postmix_lock); - channels = thing->data.logdev.postmix_spec.channels; - buflen = thing->data.logdev.postmix_buflen; - buffer = (float *) SDL_malloc(thing->data.logdev.postmix_buflen); - if (buffer) { - SDL_memcpy(buffer, thing->data.logdev.postmix_buffer, thing->data.logdev.postmix_buflen); - SDL_SetAtomicInt(&thing->data.logdev.postmix_updated, 0); - } - SDL_UnlockMutex(thing->data.logdev.postmix_lock); - - UpdateVisualizer(renderer, thing->data.logdev.visualizer, channels, buffer, buflen); - SDL_free(buffer); - } - - SDL_SetRenderDrawColor(renderer, 255, 255, 255, 30); - SDL_RenderTexture(renderer, thing->data.logdev.visualizer, NULL, &dst); - } -} - -static void LogicalDeviceThing_onmousewheel(Thing *thing, float y) -{ - thing->meter += y * 0.01f; - thing->meter = SDL_clamp(thing->meter, 0.0f, 1.0f); - SDL_SetAudioDeviceGain(thing->data.logdev.devid, thing->meter); -} - -static Thing *CreateLogicalDeviceThing(Thing *parent, SDL_AudioDeviceID which, float x, float y) -{ - static const ThingType can_be_dropped_onto[] = { THING_TRASHCAN, THING_NULL }; - Thing *physthing = ((parent->what == THING_LOGDEV) || (parent->what == THING_LOGDEV_RECORDING)) ? parent->data.logdev.physdev : parent; - const bool recording = physthing->data.physdev.recording; - Thing *thing; - - SDL_Log("Adding logical audio device %u", (unsigned int) which); - thing = CreateThing(recording ? THING_LOGDEV_RECORDING : THING_LOGDEV, x, y, 5, -1, -1, logdev_texture, NULL); - if (thing) { - thing->data.logdev.devid = which; - thing->data.logdev.recording = recording; - thing->data.logdev.physdev = physthing; - thing->data.logdev.visualizer = SDL_CreateTexture(state->renderers[0], SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, VISUALIZER_WIDTH, VISUALIZER_HEIGHT); - thing->data.logdev.postmix_lock = SDL_CreateMutex(); - if (thing->data.logdev.visualizer) { - SDL_SetTextureBlendMode(thing->data.logdev.visualizer, SDL_BLENDMODE_BLEND); - } - thing->line_connected_to = physthing; - thing->meter = 1.0f; - thing->ontick = LogicalDeviceThing_ontick; - thing->ondrag = DeviceThing_ondrag; - thing->ondrop = LogicalDeviceThing_ondrop; - thing->ondraw = LogicalDeviceThing_ondraw; - thing->onmousewheel = LogicalDeviceThing_onmousewheel; - thing->can_be_dropped_onto = can_be_dropped_onto; - - SetLogicalDeviceTitlebar(thing); - } - return thing; -} - -static void SetPhysicalDeviceTitlebar(Thing *thing) -{ - int frames = 0; - SDL_AudioSpec *spec = &thing->data.physdev.spec; - SDL_GetAudioDeviceFormat(thing->data.physdev.devid, spec, &frames); - SDL_free(thing->titlebar); - if (thing->data.physdev.devid == SDL_AUDIO_DEVICE_DEFAULT_RECORDING) { - SDL_asprintf(&thing->titlebar, "Default system device (RECORDING, %s, %s, %uHz, %d frames)", SDL_GetAudioFormatName(spec->format), AudioChansToStr(spec->channels), (unsigned int) spec->freq, frames); - } else if (thing->data.physdev.devid == SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK) { - SDL_asprintf(&thing->titlebar, "Default system device (PLAYBACK, %s, %s, %uHz, %d frames)", SDL_GetAudioFormatName(spec->format), AudioChansToStr(spec->channels), (unsigned int) spec->freq, frames); - } else { - SDL_asprintf(&thing->titlebar, "Physical device #%u (%s, \"%s\", %s, %s, %uHz, %d frames)", (unsigned int) thing->data.physdev.devid, thing->data.physdev.recording ? "RECORDING" : "PLAYBACK", thing->data.physdev.name, SDL_GetAudioFormatName(spec->format), AudioChansToStr(spec->channels), (unsigned int) spec->freq, frames); - } -} - -static void PhysicalDeviceThing_ondrop(Thing *thing, int button, float x, float y) -{ - if (droppable_highlighted_thing) { - if (droppable_highlighted_thing->what == THING_TRASHCAN) { - TrashThing(thing); - } - } -} - -static void PhysicalDeviceThing_ontick(Thing *thing, Uint64 now) -{ - const int lifetime = POOF_LIFETIME; - const int elapsed = (int) (now - thing->createticks); - if (elapsed > lifetime) { - thing->scale = 1.0f; - thing->a = 255; - thing->ontick = NULL; /* no more ticking. */ - } else { - const float pct = ((float) elapsed) / ((float) lifetime); - thing->a = (Uint8) (int) (pct * 255.0f); - thing->scale = pct; /* grow to normal size */ - } -} - - -static Thing *CreatePhysicalDeviceThing(const SDL_AudioDeviceID which, const bool recording) -{ - static const ThingType can_be_dropped_onto[] = { THING_TRASHCAN, THING_NULL }; - static float next_physdev_x = 0; - Thing *thing; - int winw, winh; - - SDL_GetWindowSize(state->windows[0], &winw, &winh); - if (next_physdev_x > (winw-physdev_texture->w)) { - next_physdev_x = 0; - } - - SDL_Log("Adding physical audio device %u", (unsigned int) which); - thing = CreateThing(recording ? THING_PHYSDEV_RECORDING : THING_PHYSDEV, next_physdev_x, 170, 5, -1, -1, physdev_texture, NULL); - if (thing) { - const char *name = SDL_GetAudioDeviceName(which); - thing->data.physdev.devid = which; - thing->data.physdev.recording = recording; - thing->data.physdev.name = name ? SDL_strdup(name) : NULL; - thing->ondrag = DeviceThing_ondrag; - thing->ondrop = PhysicalDeviceThing_ondrop; - thing->ontick = PhysicalDeviceThing_ontick; - thing->can_be_dropped_onto = can_be_dropped_onto; - - SetPhysicalDeviceTitlebar(thing); - if (SDL_GetTicks() <= (app_ready_ticks + 2000)) { /* assume this is the initial batch if it happens in the first two seconds. */ - RepositionRowOfThings(THING_PHYSDEV, 10.0f); /* don't rearrange them after the initial add. */ - RepositionRowOfThings(THING_PHYSDEV_RECORDING, 170.0f); /* don't rearrange them after the initial add. */ - next_physdev_x = 0.0f; - } else { - next_physdev_x += physdev_texture->w * 1.5f; - } - } - - return thing; -} - -static Thing *CreateTrashcanThing(void) -{ - int winw, winh; - SDL_GetWindowSize(state->windows[0], &winw, &winh); - return CreateThing(THING_TRASHCAN, winw - trashcan_texture->w, winh - trashcan_texture->h, 10, -1, -1, trashcan_texture, "Drag things here to remove them."); -} - -static Thing *CreateDefaultPhysicalDevice(const bool recording) -{ - return CreatePhysicalDeviceThing(recording ? SDL_AUDIO_DEVICE_DEFAULT_RECORDING : SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, recording); -} - -static void TickThings(void) -{ - Thing *i; - Thing *next; - const Uint64 now = SDL_GetTicks(); - for (i = things; i; i = next) { - next = i->next; /* in case this deletes itself. */ - if (i->ontick) { - i->ontick(i, now); - } - } -} - -static void WindowResized(const int newwinw, const int newwinh) -{ - Thing *i; - const float neww = (float) newwinw; - const float newh = (float) newwinh; - const float oldw = (float) state->window_w; - const float oldh = (float) state->window_h; - for (i = things; i; i = i->next) { - const float halfw = i->rect.w / 2.0f; - const float halfh = i->rect.h / 2.0f; - const float x = (i->rect.x + halfw) / oldw; - const float y = (i->rect.y + halfh) / oldh; - i->rect.x = (x * neww) - halfw; - i->rect.y = (y * newh) - halfh; - } - state->window_w = newwinw; - state->window_h = newwinh; -} - -SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[]) -{ - int i; - - state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO | SDL_INIT_AUDIO); - if (!state) { - return SDL_APP_FAILURE; - } - - state->window_flags |= SDL_WINDOW_RESIZABLE; - - for (i = 1; i < argc;) { - int consumed = SDLTest_CommonArg(state, i); - if (consumed == 0) { - consumed = -1; - /* add our own command lines here. */ - } - if (consumed < 0) { - static const char *options[] = { - /* add our own command lines here. */ - /*"[--blend none|blend|add|mod|mul|sub]",*/ - NULL - }; - SDLTest_CommonLogUsage(state, argv[0], options); - return SDL_APP_FAILURE; - } - i += consumed; - } - - if (!SDLTest_CommonInit(state)) { - return SDL_APP_FAILURE; - } - - if (state->audio_id) { - SDL_CloseAudioDevice(state->audio_id); - state->audio_id = 0; - } - - SetDefaultTitleBar(); - - if ((physdev_texture = CreateTexture("physaudiodev.bmp")) == NULL) { return SDL_APP_FAILURE; } - if ((logdev_texture = CreateTexture("logaudiodev.bmp")) == NULL) { return SDL_APP_FAILURE; } - if ((audio_texture = CreateTexture("audiofile.bmp")) == NULL) { return SDL_APP_FAILURE; } - if ((trashcan_texture = CreateTexture("trashcan.bmp")) == NULL) { return SDL_APP_FAILURE; } - if ((soundboard_texture = CreateTexture("soundboard.bmp")) == NULL) { return SDL_APP_FAILURE; } - if ((soundboard_levels_texture = CreateTexture("soundboard_levels.bmp")) == NULL) { return SDL_APP_FAILURE; } - - LoadStockWavThings(); - CreateTrashcanThing(); - CreateDefaultPhysicalDevice(false); - CreateDefaultPhysicalDevice(true); - - return SDL_APP_CONTINUE; -} - - -static bool saw_event = false; - -SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event) -{ - Thing *thing = NULL; - - saw_event = true; - SDL_ConvertEventToRenderCoordinates(SDL_GetRenderer(SDL_GetWindowFromEvent(event)), event); - - switch (event->type) { - case SDL_EVENT_MOUSE_MOTION: - thing = UpdateMouseOver(event->motion.x, event->motion.y); - if ((dragging_button == -1) && event->motion.state) { - if (event->motion.state & SDL_BUTTON_LMASK) { - /* for people that don't have all three buttons... */ - if (ctrl_held) { - dragging_button = SDL_BUTTON_RIGHT; - } else if (alt_held) { - dragging_button = SDL_BUTTON_MIDDLE; - } else { - dragging_button = SDL_BUTTON_LEFT; - } - dragging_button_real = SDL_BUTTON_LEFT; - } else if (event->motion.state & SDL_BUTTON_RMASK) { - dragging_button = SDL_BUTTON_RIGHT; - dragging_button_real = SDL_BUTTON_RIGHT; - } else if (event->motion.state & SDL_BUTTON_MMASK) { - dragging_button = SDL_BUTTON_MIDDLE; - dragging_button_real = SDL_BUTTON_MIDDLE; - } - - if (dragging_button != -1) { - dragging_thing = thing; - if (thing && thing->ondrag) { - thing->ondrag(thing, dragging_button, event->motion.x, event->motion.y); - } - } - } - - droppable_highlighted_thing = NULL; - if (dragging_thing) { - dragging_thing->rect.x = event->motion.x - (dragging_thing->rect.w / 2); - dragging_thing->rect.y = event->motion.y - (dragging_thing->rect.h / 2); - if (dragging_thing->can_be_dropped_onto) { - thing = FindThingAtPoint(event->motion.x, event->motion.y); - if (thing) { - int i; - for (i = 0; dragging_thing->can_be_dropped_onto[i]; i++) { - if (dragging_thing->can_be_dropped_onto[i] == thing->what) { - droppable_highlighted_thing = thing; - break; - } - } - } - } - } - break; - - case SDL_EVENT_MOUSE_BUTTON_DOWN: - thing = UpdateMouseOver(event->button.x, event->button.y); - break; - - case SDL_EVENT_MOUSE_BUTTON_UP: - if (dragging_button_real == event->button.button) { - Thing *dropped_thing = dragging_thing; - dragging_thing = NULL; - dragging_button = -1; - dragging_button_real = -1; - if (dropped_thing && dropped_thing->ondrop) { - dropped_thing->ondrop(dropped_thing, event->button.button, event->button.x, event->button.y); - } - droppable_highlighted_thing = NULL; - } - thing = UpdateMouseOver(event->button.x, event->button.y); - break; - - case SDL_EVENT_MOUSE_WHEEL: - thing = UpdateMouseOver(event->wheel.mouse_x, event->wheel.mouse_y); - if (thing && thing->onmousewheel) { - thing->onmousewheel(thing, event->wheel.y * ((event->wheel.direction == SDL_MOUSEWHEEL_FLIPPED) ? -1.0f : 1.0f)); - } - break; - - case SDL_EVENT_KEY_DOWN: - case SDL_EVENT_KEY_UP: - ctrl_held = ((event->key.mod & SDL_KMOD_CTRL) != 0); - alt_held = ((event->key.mod & SDL_KMOD_ALT) != 0); - break; - - case SDL_EVENT_DROP_FILE: - SDL_Log("Drop file! '%s'", event->drop.data); - LoadWavThing(event->drop.data, event->drop.x, event->drop.y); - /* SDL frees event->drop.data for you when you use SDL_AppEvent(). */ - break; - - case SDL_EVENT_WINDOW_RESIZED: - WindowResized(event->window.data1, event->window.data2); - break; - - case SDL_EVENT_AUDIO_DEVICE_ADDED: - CreatePhysicalDeviceThing(event->adevice.which, event->adevice.recording); - break; - - case SDL_EVENT_AUDIO_DEVICE_REMOVED: { - const SDL_AudioDeviceID which = event->adevice.which; - Thing *i, *next; - SDL_Log("Removing audio device %u", (unsigned int) which); - for (i = things; i; i = next) { - next = i->next; - if (((i->what == THING_PHYSDEV) || (i->what == THING_PHYSDEV_RECORDING)) && (i->data.physdev.devid == which)) { - TrashThing(i); - next = things; /* in case we mangled the list. */ - } else if (((i->what == THING_LOGDEV) || (i->what == THING_LOGDEV_RECORDING)) && (i->data.logdev.devid == which)) { - TrashThing(i); - next = things; /* in case we mangled the list. */ - } - } - break; - } - - default: break; - } - - return SDLTest_CommonEventMainCallbacks(state, event); -} - -SDL_AppResult SDL_AppIterate(void *appstate) -{ - if (app_ready_ticks == 0) { - app_ready_ticks = SDL_GetTicks(); - } - - TickThings(); - Draw(); - - if (saw_event) { - saw_event = false; /* reset this so we know when SDL_AppEvent() runs again */ - } else { - SDL_Delay(10); - } - - return SDL_APP_CONTINUE; -} - -void SDL_AppQuit(void *appstate, SDL_AppResult result) -{ - while (things) { - DestroyThing(things); /* make sure all the audio devices are closed, etc. */ - } - - DestroyTexture(physdev_texture); - DestroyTexture(logdev_texture); - DestroyTexture(audio_texture); - DestroyTexture(trashcan_texture); - DestroyTexture(soundboard_texture); - DestroyTexture(soundboard_levels_texture); - SDLTest_CommonQuit(state); -} - -- cgit v1.2.3