diff options
Diffstat (limited to 'platform/bb10/audio_driver_bb10.cpp')
-rw-r--r-- | platform/bb10/audio_driver_bb10.cpp | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/platform/bb10/audio_driver_bb10.cpp b/platform/bb10/audio_driver_bb10.cpp deleted file mode 100644 index 5658dc5334..0000000000 --- a/platform/bb10/audio_driver_bb10.cpp +++ /dev/null @@ -1,254 +0,0 @@ -/*************************************************************************/ -/* audio_driver_bb10.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* http://www.godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ -/* */ -/* 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_bb10.h" - -#include <errno.h> - -Error AudioDriverBB10::init() { - return init(NULL); -}; - -Error AudioDriverBB10::init(const char *p_name) { - - active = false; - thread_exited = false; - exit_thread = false; - pcm_open = false; - samples_in = NULL; - samples_out = NULL; - - mix_rate = 44100; - speaker_mode = SPEAKER_MODE_STEREO; - - char *dev_name; - if (p_name == NULL) { - dev_name = "pcmPreferred"; - } else { - dev_name = (char *)p_name; - } - printf("******** reconnecting to device %s\n", dev_name); - int ret = snd_pcm_open_name(&pcm_handle, dev_name, SND_PCM_OPEN_PLAYBACK); - ERR_FAIL_COND_V(ret < 0, FAILED); - pcm_open = true; - - snd_pcm_channel_info_t cinfo; - zeromem(&cinfo, sizeof(cinfo)); - cinfo.channel = SND_PCM_CHANNEL_PLAYBACK; - snd_pcm_plugin_info(pcm_handle, &cinfo); - - printf("rates %i, %i, %i, %i, %i\n", cinfo.rates, cinfo.rates & SND_PCM_RATE_44100, cinfo.rates & SND_PCM_RATE_32000, cinfo.rates & SND_PCM_RATE_22050, cinfo.max_rate); - - mix_rate = cinfo.max_rate; - - printf("formats %i, %i, %i\n", cinfo.formats, cinfo.formats & SND_PCM_FMT_S16_BE, cinfo.formats & SND_PCM_FMT_S16_LE); - ERR_FAIL_COND_V(!(cinfo.formats & SND_PCM_FMT_S16_LE), FAILED); - - printf("voices %i\n", cinfo.max_voices); - speaker_mode = SPEAKER_MODE_STEREO; - - snd_pcm_channel_params_t cp; - zeromem(&cp, sizeof(cp)); - cp.mode = SND_PCM_MODE_BLOCK; - cp.channel = SND_PCM_CHANNEL_PLAYBACK; - cp.start_mode = SND_PCM_START_DATA; - cp.stop_mode = SND_PCM_STOP_STOP; - //cp.buf.block.frag_size = cinfo.max_fragment_size; - cp.buf.block.frag_size = 512; - cp.buf.block.frags_max = 1; - cp.buf.block.frags_min = 1; - cp.format.interleave = 1; - cp.format.rate = mix_rate; - cp.format.voices = speaker_mode; - cp.format.format = SND_PCM_SFMT_S16_LE; - - ret = snd_pcm_plugin_params(pcm_handle, &cp); - printf("ret is %i, %i\n", ret, cp.why_failed); - ERR_FAIL_COND_V(ret < 0, FAILED); - - ret = snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK); - ERR_FAIL_COND_V(ret < 0, FAILED); - - snd_mixer_group_t group; - zeromem(&group, sizeof(group)); - snd_pcm_channel_setup_t setup; - zeromem(&setup, sizeof(setup)); - setup.channel = SND_PCM_CHANNEL_PLAYBACK; - setup.mode = SND_PCM_MODE_BLOCK; - setup.mixer_gid = &group.gid; - ret = snd_pcm_plugin_setup(pcm_handle, &setup); - ERR_FAIL_COND_V(ret < 0, FAILED); - - pcm_frag_size = setup.buf.block.frag_size; - pcm_max_frags = 1; - - sample_buf_count = pcm_frag_size * pcm_max_frags / 2; - printf("sample count %i, %i, %i\n", sample_buf_count, pcm_frag_size, pcm_max_frags); - samples_in = memnew_arr(int32_t, sample_buf_count); - samples_out = memnew_arr(int16_t, sample_buf_count); - - thread = Thread::create(AudioDriverBB10::thread_func, this); - - return OK; -}; - -void AudioDriverBB10::thread_func(void *p_udata) { - - AudioDriverBB10 *ad = (AudioDriverBB10 *)p_udata; - - int channels = speaker_mode; - int frame_count = ad->sample_buf_count / channels; - int bytes_out = frame_count * channels * 2; - - while (!ad->exit_thread) { - - if (!ad->active) { - - for (int i = 0; i < ad->sample_buf_count; i++) { - - ad->samples_out[i] = 0; - }; - } else { - - ad->lock(); - - ad->audio_server_process(frame_count, ad->samples_in); - - ad->unlock(); - - for (int i = 0; i < frame_count * channels; i++) { - - ad->samples_out[i] = ad->samples_in[i] >> 16; - } - }; - - int todo = bytes_out; - int total = 0; - - while (todo) { - - uint8_t *src = (uint8_t *)ad->samples_out; - int wrote = snd_pcm_plugin_write(ad->pcm_handle, (void *)(src + total), todo); - if (wrote < 0) { - // error? - break; - }; - total += wrote; - todo -= wrote; - if (wrote < todo) { - if (ad->thread_exited) { - break; - }; - printf("pcm_write underrun %i, errno %i\n", (int)ad->thread_exited, errno); - snd_pcm_channel_status_t status; - zeromem(&status, sizeof(status)); - // put in non-blocking mode - snd_pcm_nonblock_mode(ad->pcm_handle, 1); - status.channel = SND_PCM_CHANNEL_PLAYBACK; - int ret = snd_pcm_plugin_status(ad->pcm_handle, &status); - //printf("status return %i, %i, %i, %i, %i\n", ret, errno, status.status, SND_PCM_STATUS_READY, SND_PCM_STATUS_UNDERRUN); - snd_pcm_nonblock_mode(ad->pcm_handle, 0); - if (ret < 0) { - break; - }; - if (status.status == SND_PCM_STATUS_READY || - status.status == SND_PCM_STATUS_UNDERRUN) { - snd_pcm_plugin_prepare(ad->pcm_handle, SND_PCM_CHANNEL_PLAYBACK); - } else { - break; - }; - }; - }; - }; - - snd_pcm_plugin_flush(ad->pcm_handle, SND_PCM_CHANNEL_PLAYBACK); - - ad->thread_exited = true; - printf("**************** audio thread exit\n"); -}; - -void AudioDriverBB10::start() { - - active = true; -}; - -int AudioDriverBB10::get_mix_rate() const { - - return mix_rate; -}; - -AudioDriver::SpeakerMode AudioDriverBB10::get_speaker_mode() const { - - return speaker_mode; -}; - -void AudioDriverBB10::lock() { - - if (!thread) - return; - mutex->lock(); -}; - -void AudioDriverBB10::unlock() { - - if (!thread) - return; - mutex->unlock(); -}; - -void AudioDriverBB10::finish() { - - if (!thread) - return; - - exit_thread = true; - Thread::wait_to_finish(thread); - - if (pcm_open) - snd_pcm_close(pcm_handle); - - if (samples_in) { - memdelete_arr(samples_in); - memdelete_arr(samples_out); - }; - - memdelete(thread); - thread = NULL; -}; - -AudioDriverBB10::AudioDriverBB10() { - - mutex = Mutex::create(); -}; - -AudioDriverBB10::~AudioDriverBB10() { - - memdelete(mutex); - mutex = NULL; -}; |