152 lines
3.6 KiB
C
152 lines
3.6 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2004-2021 Kim Woelders
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#if defined(ENABLE_SOUND) && defined(USE_SOUND_ESD)
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#include <esd.h>
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#include <unistd.h>
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#include "sound.h"
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#include "util.h"
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#ifdef USE_MODULES
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#define Estrdup strdup
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#endif
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struct _sample {
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SoundSampleData ssd;
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int id;
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};
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static int sound_fd = -1;
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static Sample *
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_sound_esd_Load(const char *file)
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{
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Sample *s;
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int err, format;
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if (sound_fd < 0)
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return NULL;
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s = ECALLOC(Sample, 1);
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if (!s)
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return NULL;
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err = SoundSampleGetData(file, &s->ssd);
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if (err)
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{
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Efree(s);
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return NULL;
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}
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format = ESD_STREAM | ESD_PLAY;
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if (s->ssd.bit_per_sample == 8)
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format |= ESD_BITS8;
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else if (s->ssd.bit_per_sample == 16)
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format |= ESD_BITS16;
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if (s->ssd.channels == 1)
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format |= ESD_MONO;
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else if (s->ssd.channels == 2)
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format |= ESD_STEREO;
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s->id = esd_sample_getid(sound_fd, file);
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if (s->id < 0)
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{
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int confirm;
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s->id = esd_sample_cache(sound_fd, format, s->ssd.rate, s->ssd.size,
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file);
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if (write(sound_fd, s->ssd.data, s->ssd.size) != (ssize_t) s->ssd.size)
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{
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s->id = 0;
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goto done;
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}
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confirm = esd_confirm_sample_cache(sound_fd);
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if (confirm != s->id)
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s->id = 0;
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}
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done:
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EFREE_NULL(s->ssd.data);
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if (s->id <= 0)
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EFREE_NULL(s);
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return s;
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}
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static void
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_sound_esd_Destroy(Sample * s)
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{
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if (s->id && sound_fd >= 0)
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{
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/* Why the hell is this symbol not in esd? */
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/* it's in esd.h - evil evil evil */
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/* esd_sample_kill(sound_fd,s->id); */
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esd_sample_free(sound_fd, s->id);
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}
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Efree(s->ssd.data);
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Efree(s);
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}
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static void
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_sound_esd_Play(Sample * s)
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{
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if (sound_fd < 0)
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return;
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if (s->id > 0)
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esd_sample_play(sound_fd, s->id);
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}
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static int
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_sound_esd_Init(void)
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{
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if (sound_fd >= 0)
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return 0;
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sound_fd = esd_open_sound(NULL);
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return sound_fd < 0;
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}
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static void
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_sound_esd_Exit(void)
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{
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if (sound_fd < 0)
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return;
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close(sound_fd);
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sound_fd = -1;
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}
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__EXPORT__ extern const SoundOps SoundOps_esd;
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const SoundOps SoundOps_esd = {
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_sound_esd_Init, _sound_esd_Exit, _sound_esd_Load, _sound_esd_Destroy,
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_sound_esd_Play,
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};
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#endif /* ENABLE_SOUND && USE_SOUND_ESD */
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