mirror of
https://github.com/gnif/LookingGlass.git
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[client] audio: move audio code into it's own unit
This commit is contained in:
parent
e6bd36ec7c
commit
a114ea3de4
@ -122,6 +122,7 @@ set(SOURCES
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src/main.c
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src/core.c
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src/app.c
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src/audio.c
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src/config.c
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src/keybind.c
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src/ll.c
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154
client/src/audio.c
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154
client/src/audio.c
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@ -0,0 +1,154 @@
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/**
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* Looking Glass
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* Copyright © 2017-2022 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "main.h"
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#include "dynamic/audiodev.h"
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#include <string.h>
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typedef struct
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{
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struct LG_AudioDevOps * audioDev;
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struct
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{
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bool started;
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int volumeChannels;
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uint16_t * volume;
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bool mute;
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}
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playback;
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}
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AudioState;
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static AudioState audio = { 0 };
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void audio_init(void)
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{
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// search for the best audiodev to use
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for(int i = 0; i < LG_AUDIODEV_COUNT; ++i)
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if (LG_AudioDevs[i]->init())
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{
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audio.audioDev = LG_AudioDevs[i];
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DEBUG_INFO("Using AudioDev: %s", audio.audioDev->name);
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return;
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}
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DEBUG_WARN("Failed to initialize an audio backend");
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}
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void audio_free(void)
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{
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if (!audio.audioDev)
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return;
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audio.audioDev->free();
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audio.audioDev = NULL;
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free(audio.playback.volume);
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audio.playback.volume = NULL;
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}
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void audio_playbackStart(int channels, int sampleRate, PSAudioFormat format,
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uint32_t time)
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{
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if (!audio.audioDev)
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return;
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static int lastChannels = 0;
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static int lastSampleRate = 0;
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if (audio.playback.started)
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{
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if (channels != lastChannels || sampleRate != lastSampleRate)
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audio.audioDev->playback.stop();
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else
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return;
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}
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lastChannels = channels;
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lastSampleRate = sampleRate;
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audio.playback.started = true;
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DEBUG_INFO("%d channels @ %dHz", channels, sampleRate);
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audio.audioDev->playback.start(channels, sampleRate);
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// if a volume level was stored, set it before we return
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if (audio.playback.volume)
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audio.audioDev->playback.volume(
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audio.playback.volumeChannels,
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audio.playback.volume);
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// set the inital mute state
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audio.audioDev->playback.mute(audio.playback.mute);
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}
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void audio_playbackStop(void)
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{
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if (!audio.audioDev || !audio.playback.started)
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return;
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audio.audioDev->playback.stop();
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audio.playback.started = false;
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}
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void audio_playbackVolume(int channels, const uint16_t volume[])
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{
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if (!audio.audioDev || !audio.audioDev->playback.volume)
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return;
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// if playback has not started yet, store the volume levels for later
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if (!audio.playback.started)
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{
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if (audio.playback.volumeChannels < channels)
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{
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free(audio.playback.volume);
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audio.playback.volume = malloc(sizeof(uint16_t) * channels);
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}
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memcpy(audio.playback.volume, volume, sizeof(uint16_t) * channels);
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audio.playback.volumeChannels = channels;
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return;
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}
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audio.audioDev->playback.volume(channels, volume);
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}
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void audio_playbackMute(bool mute)
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{
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if (!audio.audioDev || !audio.audioDev->playback.mute)
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return;
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// if playback has not yet started, store the mute status for later
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if (!audio.playback.started)
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{
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audio.playback.mute = mute;
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return;
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}
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audio.audioDev->playback.mute(mute);
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}
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void audio_playbackData(uint8_t * data, size_t size)
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{
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if (!audio.audioDev || !audio.playback.started)
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return;
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audio.audioDev->playback.play(data, size);
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}
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29
client/src/audio.h
Normal file
29
client/src/audio.h
Normal file
@ -0,0 +1,29 @@
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/**
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* Looking Glass
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* Copyright © 2017-2022 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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void audio_init(void);
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void audio_free(void);
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void audio_playbackStart(int channels, int sampleRate, PSAudioFormat format,
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uint32_t time);
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void audio_playbackStop(void);
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void audio_playbackVolume(int channels, const uint16_t volume[]);
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void audio_playbackMute(bool mute);
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void audio_playbackData(uint8_t * data, size_t size);
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@ -53,6 +53,7 @@
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#include "core.h"
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#include "app.h"
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#include "audio.h"
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#include "keybind.h"
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#include "clipboard.h"
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#include "kb.h"
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@ -765,78 +766,6 @@ int main_frameThread(void * unused)
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return 0;
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}
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void playbackStart(int channels, int sampleRate, PSAudioFormat format,
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uint32_t time)
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{
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/*
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* we probe here so that the audiodev is operating in the context of the SPICE
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* thread/loop to avoid any audio API threading issues
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*/
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static int probed = false;
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if (!probed)
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{
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probed = true;
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// search for the best audiodev to use
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for(int i = 0; i < LG_AUDIODEV_COUNT; ++i)
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if (LG_AudioDevs[i]->init())
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{
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g_state.audioDev = LG_AudioDevs[i];
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DEBUG_INFO("Using AudioDev: %s", g_state.audioDev->name);
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break;
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}
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if (!g_state.audioDev)
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DEBUG_WARN("Failed to initialize an audio backend");
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}
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if (g_state.audioDev)
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{
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static int lastChannels = 0;
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static int lastSampleRate = 0;
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if (g_state.playbackStarted)
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{
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if (channels != lastChannels || sampleRate != lastSampleRate)
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g_state.audioDev->playback.stop();
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else
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return;
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}
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lastChannels = channels;
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lastSampleRate = sampleRate;
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g_state.playbackStarted = true;
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DEBUG_INFO("%d channels @ %dHz", channels, sampleRate);
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g_state.audioDev->playback.start(channels, sampleRate);
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}
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}
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static void playbackStop(void)
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{
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if (g_state.audioDev)
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g_state.audioDev->playback.stop();
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g_state.playbackStarted = false;
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}
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static void playbackVolume(int channels, const uint16_t volume[])
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{
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if (g_state.audioDev && g_state.audioDev->playback.volume)
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g_state.audioDev->playback.volume(channels, volume);
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}
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static void playbackMute(bool mute)
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{
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if (g_state.audioDev && g_state.audioDev->playback.mute)
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g_state.audioDev->playback.mute(mute);
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}
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static void playbackData(uint8_t * data, size_t size)
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{
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if (g_state.audioDev)
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g_state.audioDev->playback.play(data, size);
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}
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static void checkUUID(void)
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{
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if (!g_state.spiceUUIDValid || !g_state.guestUUIDValid)
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@ -854,6 +783,7 @@ void spiceReady(void)
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{
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// set the intial mouse mode
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purespice_mouseMode(true);
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audio_init();
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PSServerInfo info;
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if (!purespice_getServerInfo(&info))
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@ -900,11 +830,11 @@ int spiceThread(void * arg)
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.playback =
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{
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.enable = g_params.useSpiceAudio,
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.start = playbackStart,
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.volume = playbackVolume,
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.mute = playbackMute,
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.stop = playbackStop,
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.data = playbackData
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.start = audio_playbackStart,
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.volume = audio_playbackVolume,
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.mute = audio_playbackMute,
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.stop = audio_playbackStop,
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.data = audio_playbackData
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}
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};
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@ -928,12 +858,7 @@ int spiceThread(void * arg)
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end:
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if (g_state.audioDev)
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{
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g_state.audioDev->free();
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g_state.audioDev = NULL;
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}
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audio_free();
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g_state.state = APP_STATE_SHUTDOWN;
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return 0;
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}
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@ -24,7 +24,6 @@
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#include "dynamic/displayservers.h"
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#include "dynamic/renderers.h"
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#include "dynamic/audiodev.h"
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#include "common/thread.h"
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#include "common/types.h"
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@ -139,9 +138,6 @@ struct AppState
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bool resizeDone;
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bool autoIdleInhibitState;
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struct LG_AudioDevOps * audioDev;
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bool playbackStarted;
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};
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struct AppParams
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