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Diffstat (limited to 'platform/haiku/audio_driver_media_kit.cpp')
| -rw-r--r-- | platform/haiku/audio_driver_media_kit.cpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/platform/haiku/audio_driver_media_kit.cpp b/platform/haiku/audio_driver_media_kit.cpp new file mode 100644 index 0000000000..3fabe4f96f --- /dev/null +++ b/platform/haiku/audio_driver_media_kit.cpp @@ -0,0 +1,143 @@ +/*************************************************************************/ +/* audio_driver_media_kit.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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. */ +/*************************************************************************/ +#include "audio_driver_media_kit.h" + +#ifdef MEDIA_KIT_ENABLED + +#include "globals.h" + +int32_t* AudioDriverMediaKit::samples_in = NULL; + +Error AudioDriverMediaKit::init() { + active = false; + + mix_rate = 44100; + output_format = OUTPUT_STEREO; + channels = 2; + + int latency = GLOBAL_DEF("audio/output_latency", 25); + buffer_size = nearest_power_of_2(latency * mix_rate / 1000); + 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 + ); + + 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; + + 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; +} + +AudioDriverSW::OutputFormat AudioDriverMediaKit::get_output_format() const { + return output_format; +} + +void AudioDriverMediaKit::lock() { + if (!mutex) + return; + + mutex->lock(); +} + +void AudioDriverMediaKit::unlock() { + if (!mutex) + return; + + mutex->unlock(); +} + +void AudioDriverMediaKit::finish() { + if (player) + delete player; + + if (samples_in) { + memdelete_arr(samples_in); + }; + + if (mutex) { + memdelete(mutex); + mutex = NULL; + } +} + +AudioDriverMediaKit::AudioDriverMediaKit() { + mutex = NULL; + player = NULL; +} + +AudioDriverMediaKit::~AudioDriverMediaKit() { + +} + +#endif |