Mercurial > molko
diff src/libmlk-core/core/sound.c @ 320:8f9937403749
misc: improve loading of data
author | David Demelier <markand@malikania.fr> |
---|---|
date | Fri, 01 Oct 2021 20:30:00 +0200 |
parents | libmlk-core/core/sound.c@d01e83210ca2 |
children | 9eb25198d706 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/libmlk-core/core/sound.c Fri Oct 01 20:30:00 2021 +0200 @@ -0,0 +1,112 @@ +/* + * sound.c -- sound support + * + * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <assert.h> +#include <stdio.h> + +#include <SDL_mixer.h> + +#include "error.h" +#include "sound.h" + +int +sound_open(struct sound *snd, const char *path) +{ + assert(snd); + assert(path); + + if (!(snd->handle = Mix_LoadWAV(path))) + return errorf("%s", SDL_GetError()); + + return 0; +} + +int +sound_openmem(struct sound *snd, const void *buffer, size_t buffersz) +{ + assert(snd); + assert(buffer); + + SDL_RWops *ops; + + if (!(ops = SDL_RWFromConstMem(buffer, buffersz)) || + !(snd->handle = Mix_LoadWAV_RW(ops, 1))) + return errorf("%s", SDL_GetError()); + + return 0; +} + +int +sound_ok(const struct sound *snd) +{ + return snd && snd->handle; +} + +int +sound_play(struct sound *snd, int channel, unsigned int fadein) +{ + assert(sound_ok(snd)); + + int ret; + + if (fadein > 0) + ret = Mix_FadeInChannel(channel, snd->handle, 0, fadein); + else + ret = Mix_PlayChannel(channel, snd->handle, 0); + + if (ret < 0) + return errorf("%s", SDL_GetError()); + + snd->channel = channel; + + return 0; +} + +void +sound_pause(struct sound *snd) +{ + Mix_Pause(snd ? snd->channel : -1); +} + +void +sound_resume(struct sound *snd) +{ + Mix_Resume(snd ? snd->channel : -1); +} + +void +sound_stop(struct sound *snd, unsigned int fadeout) +{ + if (fadeout > 0) + Mix_FadeOutChannel(snd ? snd->channel : -1, fadeout); + else + Mix_HaltChannel(snd ? snd->channel : -1); +} + +void +sound_finish(struct sound *snd) +{ + assert(snd); + + if (snd->handle) { + Mix_HaltChannel(snd->channel); + Mix_FreeChunk(snd->handle); + } + + memset(snd, 0, sizeof (*snd)); +}