godot/platform/haiku/audio_driver_media_kit.cpp

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/*************************************************************************/
/* audio_driver_media_kit.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
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#include "audio_driver_media_kit.h"
#ifdef MEDIA_KIT_ENABLED
#include "core/project_settings.h"
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int32_t *AudioDriverMediaKit::samples_in = NULL;
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Error AudioDriverMediaKit::init() {
active = false;
mix_rate = 44100;
speaker_mode = SPEAKER_MODE_STEREO;
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channels = 2;
int latency = GLOBAL_DEF_RST("audio/output_latency", 25);
buffer_size = next_power_of_2(latency * mix_rate / 1000);
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samples_in = memnew_arr(int32_t, buffer_size * channels);
media_raw_audio_format format;
format = media_raw_audio_format::wildcard;
format.frame_rate = mix_rate;
format.channel_count = channels;
format.format = media_raw_audio_format::B_AUDIO_INT;
format.byte_order = B_MEDIA_LITTLE_ENDIAN;
format.buffer_size = buffer_size * sizeof(int32_t) * channels;
player = new BSoundPlayer(
&format,
"godot_sound_server",
AudioDriverMediaKit::PlayBuffer,
NULL,
this);
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if (player->InitCheck() != B_OK) {
fprintf(stderr, "MediaKit ERR: can not create a BSoundPlayer instance\n");
ERR_FAIL_COND_V(player == NULL, ERR_CANT_OPEN);
}
mutex = Mutex::create();
player->Start();
return OK;
}
void AudioDriverMediaKit::PlayBuffer(void *cookie, void *buffer, size_t size, const media_raw_audio_format &format) {
AudioDriverMediaKit *ad = (AudioDriverMediaKit *)cookie;
int32_t *buf = (int32_t *)buffer;
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if (!ad->active) {
for (unsigned int i = 0; i < ad->buffer_size * ad->channels; i++) {
AudioDriverMediaKit::samples_in[i] = 0;
}
} else {
ad->lock();
ad->audio_server_process(ad->buffer_size, AudioDriverMediaKit::samples_in);
ad->unlock();
}
for (unsigned int i = 0; i < ad->buffer_size * ad->channels; i++) {
buf[i] = AudioDriverMediaKit::samples_in[i];
}
}
void AudioDriverMediaKit::start() {
active = true;
}
int AudioDriverMediaKit::get_mix_rate() const {
return mix_rate;
}
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AudioDriverMediaKit::SpeakerMode AudioDriverMediaKit::get_speaker_mode() const {
return speaker_mode;
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}
void AudioDriverMediaKit::lock() {
if (!mutex)
return;
mutex->lock();
}
void AudioDriverMediaKit::unlock() {
if (!mutex)
return;
mutex->unlock();
}
void AudioDriverMediaKit::finish() {
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delete player;
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if (samples_in) {
memdelete_arr(samples_in);
};
if (mutex) {
memdelete(mutex);
mutex = NULL;
}
}
AudioDriverMediaKit::AudioDriverMediaKit() {
mutex = NULL;
player = NULL;
}
AudioDriverMediaKit::~AudioDriverMediaKit() {
}
#endif