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https://gitlab.com/dosowisko.net/libsuperderpy.git
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241 lines
9.6 KiB
C
241 lines
9.6 KiB
C
/*! \file emscripten.c
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* \brief Emscripten stub implementations.
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*/
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/*
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* Copyright (c) Sebastian Krzyszkowiak <dos@dosowisko.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "internal.h"
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#include "emscripten.h"
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#undef al_create_audio_stream
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#undef al_load_audio_stream
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#undef al_load_audio_stream_f
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#undef al_destroy_audio_stream
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#undef al_rewind_audio_stream
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#undef al_drain_audio_stream
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#undef al_attach_audio_stream_to_mixer
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#undef al_attach_audio_stream_to_voice
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#undef al_detach_audio_stream
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#undef al_seek_audio_stream_secs
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#undef al_get_audio_stream_frequency
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#undef al_get_audio_stream_channels
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#undef al_get_audio_stream_depth
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#undef al_get_audio_stream_length
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#undef al_get_audio_stream_speed
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#undef al_get_audio_stream_gain
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#undef al_get_audio_stream_pan
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#undef al_get_audio_stream_playing
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#undef al_get_audio_stream_playmode
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#undef al_get_audio_stream_attached
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#undef al_get_audio_stream_length_sec
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#undef al_get_audio_stream_position_secs
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#undef al_get_audio_stream_played_samples
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#undef al_get_audio_stream_fragment
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#undef al_get_audio_stream_fragments
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#undef al_get_available_audio_stream_fragments
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#undef al_get_audio_stream_event_source
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#undef al_set_audio_stream_fragment
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#undef al_set_audio_stream_loop_secs
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#undef al_set_audio_stream_gain
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#undef al_set_audio_stream_playing
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#undef al_set_audio_stream_playmode
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#undef al_set_audio_stream_speed
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#undef al_set_audio_stream_pan
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#ifdef ALLEGRO_UNSTABLE
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#undef al_set_audio_stream_channel_matrix
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#endif
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SYMBOL_EXPORT ALLEGRO_AUDIO_STREAM *emscripten_load_audio_stream(const char* filename, size_t buffer_count, unsigned int samples) {
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EMSCRIPTEN_AUDIO_STREAM *stream = calloc(1, sizeof(EMSCRIPTEN_AUDIO_STREAM));
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stream->sample = al_load_sample(filename);
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stream->instance = al_create_sample_instance(stream->sample);
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al_set_sample_instance_playing(stream->instance, true);
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return (ALLEGRO_AUDIO_STREAM*)stream;
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}
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SYMBOL_EXPORT ALLEGRO_AUDIO_STREAM *emscripten_load_audio_stream_f(ALLEGRO_FILE *file, const char *ident, size_t buffer_count, unsigned int samples) {
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EMSCRIPTEN_AUDIO_STREAM *stream = calloc(1, sizeof(EMSCRIPTEN_AUDIO_STREAM));
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stream->sample = al_load_sample_f(file, ident);
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stream->instance = al_create_sample_instance(stream->sample);
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al_set_sample_instance_playing(stream->instance, true);
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return (ALLEGRO_AUDIO_STREAM*)stream;
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}
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SYMBOL_EXPORT bool emscripten_set_audio_stream_gain(ALLEGRO_AUDIO_STREAM *stream, float val) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_set_sample_instance_gain(s->instance, val);
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}
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SYMBOL_EXPORT bool emscripten_set_audio_stream_playing(ALLEGRO_AUDIO_STREAM *stream, bool val) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_set_sample_instance_playing(s->instance, val);
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}
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SYMBOL_EXPORT bool emscripten_set_audio_stream_playmode(ALLEGRO_AUDIO_STREAM *stream, ALLEGRO_PLAYMODE mode) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_set_sample_instance_playmode(s->instance, mode);
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}
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SYMBOL_EXPORT ALLEGRO_PLAYMODE emscripten_get_audio_stream_playmode(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_playmode(s->instance);
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}
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SYMBOL_EXPORT bool emscripten_get_audio_stream_playing(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_playing(s->instance);
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}
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SYMBOL_EXPORT bool emscripten_rewind_audio_stream(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_set_sample_instance_position(s->instance, 0);
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}
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SYMBOL_EXPORT bool emscripten_attach_audio_stream_to_mixer(ALLEGRO_AUDIO_STREAM *stream, ALLEGRO_MIXER *mixer) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_attach_sample_instance_to_mixer(s->instance, mixer);
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}
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SYMBOL_EXPORT bool emscripten_attach_audio_stream_to_voice(ALLEGRO_AUDIO_STREAM *stream, ALLEGRO_VOICE *voice) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_attach_sample_instance_to_voice(s->instance, voice);
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}
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SYMBOL_EXPORT bool emscripten_detach_audio_stream(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_detach_sample_instance(s->instance);
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}
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SYMBOL_EXPORT ALLEGRO_EVENT_SOURCE *emscripten_get_audio_stream_event_source(ALLEGRO_AUDIO_STREAM *stream) {
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return NULL;
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}
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SYMBOL_EXPORT void emscripten_drain_audio_stream(ALLEGRO_AUDIO_STREAM *stream) {}
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SYMBOL_EXPORT unsigned int emscripten_get_audio_stream_frequency(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_frequency(s->instance);
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}
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SYMBOL_EXPORT ALLEGRO_CHANNEL_CONF emscripten_get_audio_stream_channels(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_channels(s->instance);
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}
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SYMBOL_EXPORT ALLEGRO_AUDIO_DEPTH emscripten_get_audio_stream_depth(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_depth(s->instance);
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}
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SYMBOL_EXPORT unsigned int emscripten_get_audio_stream_length(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_length(s->instance);
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}
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SYMBOL_EXPORT float emscripten_get_audio_stream_speed(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_speed(s->instance);
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}
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SYMBOL_EXPORT float emscripten_get_audio_stream_gain(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_gain(s->instance);
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}
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SYMBOL_EXPORT float emscripten_get_audio_stream_pan(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_pan(s->instance);
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}
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SYMBOL_EXPORT bool emscripten_get_audio_stream_attached(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_get_sample_instance_attached(s->instance);
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}
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SYMBOL_EXPORT bool emscripten_set_audio_stream_speed(ALLEGRO_AUDIO_STREAM *stream, float val) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_set_sample_instance_speed(s->instance, val);
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}
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SYMBOL_EXPORT bool emscripten_set_audio_stream_pan(ALLEGRO_AUDIO_STREAM *stream, float val) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_set_sample_instance_pan(s->instance, val);
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}
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#ifdef ALLEGRO_UNSTABLE
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SYMBOL_EXPORT bool emscripten_set_audio_stream_channel_matrix(ALLEGRO_AUDIO_STREAM *stream, const float *val) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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return al_set_sample_instance_channel_matrix(s->instance, val);
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}
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#endif
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SYMBOL_EXPORT uint64_t emscripten_get_audio_stream_played_samples(ALLEGRO_AUDIO_STREAM *stream) {
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return 0;
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}
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SYMBOL_EXPORT void *emscripten_get_audio_stream_fragment(ALLEGRO_AUDIO_STREAM *stream) {
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return NULL;
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}
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SYMBOL_EXPORT bool emscripten_set_audio_stream_fragment(ALLEGRO_AUDIO_STREAM *stream, void *val) {
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return false;
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}
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SYMBOL_EXPORT bool emscripten_set_audio_stream_loop_secs(ALLEGRO_AUDIO_STREAM *stream, double start, double end) {
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return false;
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}
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SYMBOL_EXPORT unsigned int emscripten_get_audio_stream_fragments(ALLEGRO_AUDIO_STREAM *stream) {
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return 0;
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}
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SYMBOL_EXPORT unsigned int emscripten_get_available_audio_stream_fragments(ALLEGRO_AUDIO_STREAM *stream) {
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return 0;
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}
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SYMBOL_EXPORT double emscripten_get_audio_stream_length_sec(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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unsigned int samples_per_sec = al_get_sample_instance_frequency(s->instance);
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return al_get_sample_instance_length(s->instance) / (double)samples_per_sec;
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}
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SYMBOL_EXPORT bool emscripten_seek_audio_stream_secs(ALLEGRO_AUDIO_STREAM *stream, double val) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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double length = emscripten_get_audio_stream_length_sec(stream);
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unsigned int samples = emscripten_get_audio_stream_length(stream);
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return al_set_sample_instance_position(s->instance, samples * (val / length));
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}
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SYMBOL_EXPORT double emscripten_get_audio_stream_position_secs(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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double sample_pos = al_get_sample_instance_position(s->instance);
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double length = emscripten_get_audio_stream_length_sec(stream);
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unsigned int samples = emscripten_get_audio_stream_length(stream);
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return length * (sample_pos / (double)samples);
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}
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SYMBOL_EXPORT void emscripten_destroy_audio_stream(ALLEGRO_AUDIO_STREAM *stream) {
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EMSCRIPTEN_AUDIO_STREAM *s = (EMSCRIPTEN_AUDIO_STREAM*)stream;
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al_destroy_sample_instance(s->instance);
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al_destroy_sample(s->sample);
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}
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ALLEGRO_AUDIO_STREAM* emscripten_create_audio_stream(size_t fragment_count, unsigned int frag_samples, unsigned int freq, ALLEGRO_AUDIO_DEPTH depth, ALLEGRO_CHANNEL_CONF chan_conf) {
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return NULL;
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}
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