mirror of
https://github.com/Tha14/toxic.git
synced 2025-07-04 23:36:45 +02:00
Toxic now supports audio calls
This commit is contained in:
mannol
487
src/audio_call.c
487
src/audio_call.c
@ -7,8 +7,491 @@
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#endif
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#ifdef _SUPPORT_AUDIO
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#include <tox/toxav.h>
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#error "Get me a kill"
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#include "audio_call.h"
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#include "toxic_windows.h"
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#include "chat_commands.h"
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#include "toxic_windows.h"
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#include <curses.h>
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#include <AL/al.h>
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#include <AL/alc.h>
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#include <string.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <stdlib.h>
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#define MAX_DEVICES 32
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#define _cbend pthread_exit(NULL)
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typedef struct _DeviceIx {
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ALCdevice* dhndl; /* Handle of device selected/opened */
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ALCcontext* ctx; /* Device context */
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const char* devices[MAX_DEVICES]; /* Container */
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int size;
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int dix; /* Index of default device */
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} DeviceIx;
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enum _devices
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{
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input,
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output,
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};
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struct _ASettings {
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DeviceIx device[2];
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AudioError errors;
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ToxAv* av;
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pthread_t ttid; /* Transmission thread id */
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int ttas; /* Transmission thread active status (0 - stopped, 1- running) */
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} ASettins;
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void *callback_recv_invite ( void *arg );
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void *callback_recv_ringing ( void *arg );
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void *callback_recv_starting ( void *arg );
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void *callback_recv_ending ( void *arg );
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void *callback_recv_error ( void *arg );
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void *callback_call_started ( void *arg );
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void *callback_call_canceled ( void *arg );
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void *callback_call_rejected ( void *arg );
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void *callback_call_ended ( void *arg );
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void *callback_requ_timeout ( void *arg );
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ToxAv* init_audio(ToxWindow* window, Tox* tox)
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{
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ASettins.errors = NoError;
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ASettins.ttas = 0; /* Not running */
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/* Capture device */
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const char* stringed_device_list = alcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER);
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ASettins.device[input].size = 0;
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if ( stringed_device_list ) {
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const char* default_device = alcGetString(NULL, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
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for ( ; *stringed_device_list; ++ASettins.device[input].size ) {
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ASettins.device[input].devices[ASettins.device[input].size] = stringed_device_list;
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if ( strcmp( default_device , ASettins.device[input].devices[ASettins.device[input].size] ) == 0 )
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ASettins.device[input].dix = ASettins.device[input].size;
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stringed_device_list += strlen( stringed_device_list ) + 1;
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}
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++ASettins.device[input].size;
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}
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if ( ASettins.device[input].size ) { /* Have device */
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ASettins.device[input].dhndl = alcCaptureOpenDevice(
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ASettins.device[input].devices[ASettins.device[input].dix], AUDIO_SAMPLE_RATE, AL_FORMAT_MONO16, AUDIO_FRAME_SIZE * 4);
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if (alcGetError(ASettins.device[input].dhndl) != AL_NO_ERROR) {
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ASettins.errors |= ErrorStartingCaptureDevice;
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}
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wprintw(window->window, "Input device: %s\n", ASettins.device[input].devices[ASettins.device[input].dix]);
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} else { /* No device */
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wprintw(window->window, "No input device!\n");
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ASettins.device[input].dhndl = NULL;
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}
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ASettins.device[input].ctx = NULL;
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/* Output device */
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stringed_device_list = alcGetString(NULL, ALC_DEVICE_SPECIFIER);
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ASettins.device[output].size = 0;
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if ( stringed_device_list ) {
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const char* default_device = alcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
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for ( ; *stringed_device_list; ++ASettins.device[output].size ) {
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ASettins.device[output].devices[ASettins.device[output].size] = stringed_device_list;
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if ( strcmp( default_device , ASettins.device[output].devices[ASettins.device[output].size] ) == 0 )
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ASettins.device[output].dix = ASettins.device[output].size;
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stringed_device_list += strlen( stringed_device_list ) + 1;
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}
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++ASettins.device[output].size;
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}
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if ( ASettins.device[output].size ) { /* Have device */
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ASettins.device[output].dhndl = alcOpenDevice(ASettins.device[output].devices[ASettins.device[output].dix]);
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if (alcGetError(ASettins.device[output].dhndl) != AL_NO_ERROR) {
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ASettins.errors |= ErrorStartingOutputDevice;
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}
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wprintw(window->window, "Output device: %s\n", ASettins.device[output].devices[ASettins.device[output].dix]);
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ASettins.device[output].ctx = alcCreateContext(ASettins.device[output].dhndl, NULL);
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} else { /* No device */
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wprintw(window->window, "No output device!\n");
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ASettins.device[output].dhndl = NULL;
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ASettins.device[output].ctx = NULL;
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}
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/* Streaming stuff from core */
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ASettins.av = toxav_new(tox, window, 0, 0);
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if ( !ASettins.av ) {
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ASettins.errors |= ErrorStartingCoreAudio;
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return NULL;
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}
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toxav_register_callstate_callback(callback_call_started, av_OnStart);
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toxav_register_callstate_callback(callback_call_canceled, av_OnCancel);
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toxav_register_callstate_callback(callback_call_rejected, av_OnReject);
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toxav_register_callstate_callback(callback_call_ended, av_OnEnd);
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toxav_register_callstate_callback(callback_recv_invite, av_OnInvite);
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toxav_register_callstate_callback(callback_recv_ringing, av_OnRinging);
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toxav_register_callstate_callback(callback_recv_starting, av_OnStarting);
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toxav_register_callstate_callback(callback_recv_ending, av_OnEnding);
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toxav_register_callstate_callback(callback_recv_error, av_OnError);
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toxav_register_callstate_callback(callback_requ_timeout, av_OnRequestTimeout);
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return ASettins.av;
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}
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void terminate_audio()
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{
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if ( ASettins.device[input].dhndl ) {
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alcCaptureCloseDevice(ASettins.device[input].dhndl);
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}
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if ( ASettins.device[output].dhndl ) {
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alcCloseDevice(ASettins.device[output].dhndl);
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alcMakeContextCurrent(NULL);
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alcDestroyContext(ASettins.device[output].ctx);
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}
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toxav_kill(ASettins.av);
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}
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int errors()
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{
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return ASettins.errors;
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}
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/*
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* Transmission
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*/
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void* transmission(void* arg)
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{
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(void)arg; /* Avoid warning */
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ASettins.ttas = 1;
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/* Prepare devices */
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alcCaptureStart(ASettins.device[input].dhndl);
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alcMakeContextCurrent(ASettins.device[output].ctx);
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int32_t dec_frame_len;
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int16_t frame[4096];
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int32_t sample = 0;
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uint32_t buffer;
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int32_t ready;
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int32_t openal_buffers = 5;
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uint32_t source, *buffers;
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/* Prepare buffers */
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buffers = calloc(sizeof(uint32_t), openal_buffers);
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alGenBuffers(openal_buffers, buffers);
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alGenSources((uint32_t)1, &source);
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alSourcei(source, AL_LOOPING, AL_FALSE);
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uint16_t zeros[AUDIO_FRAME_SIZE];
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memset(zeros, 0, AUDIO_FRAME_SIZE);
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int16_t PCM[AUDIO_FRAME_SIZE];
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int32_t i = 0;
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for (; i < openal_buffers; ++i) {
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alBufferData(buffers[i], AL_FORMAT_MONO16, zeros, AUDIO_FRAME_SIZE, 48000);
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}
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alSourceQueueBuffers(source, openal_buffers, buffers);
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alSourcePlay(source);
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if (alGetError() != AL_NO_ERROR) {
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/* Print something? */
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/*fprintf(stderr, "Error starting audio\n");*/
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goto cleanup;
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}
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/* Start transmission */
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while (ASettins.ttas) {
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alcGetIntegerv(ASettins.device[input].dhndl, ALC_CAPTURE_SAMPLES, (int32_t) sizeof(int32_t), &sample);
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/* RECORD AND SEND */
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if (sample >= AUDIO_FRAME_SIZE) {
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alcCaptureSamples(ASettins.device[input].dhndl, frame, AUDIO_FRAME_SIZE);
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if (toxav_send_audio(ASettins.av, frame, AUDIO_FRAME_SIZE) < 0)
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/*fprintf(stderr, "Could not encode or send audio packet\n")*/;
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} else usleep(1000);
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/* PLAYBACK */
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alGetSourcei(source, AL_BUFFERS_PROCESSED, &ready);
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if (ready <= 0)
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continue;
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dec_frame_len = toxav_recv_audio(ASettins.av, AUDIO_FRAME_SIZE, PCM);
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/* Play the packet */
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if (dec_frame_len > 0) {
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alSourceUnqueueBuffers(source, 1, &buffer);
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alBufferData(buffer, AL_FORMAT_MONO16, PCM, dec_frame_len * 2 * 1, 48000);
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int32_t error = alGetError();
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if (error != AL_NO_ERROR) {
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/*fprintf(stderr, "Error setting buffer %d\n", error);*/
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break;
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}
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alSourceQueueBuffers(source, 1, &buffer);
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if (alGetError() != AL_NO_ERROR) {
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/*fprintf(stderr, "Error: could not buffer audio\n");*/
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break;
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}
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alGetSourcei(source, AL_SOURCE_STATE, &ready);
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if (ready != AL_PLAYING) alSourcePlay(source);
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}
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usleep(1000);
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}
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cleanup:
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alDeleteSources(1, &source);
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alDeleteBuffers(openal_buffers, buffers);
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alcMakeContextCurrent(NULL);
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_cbend;
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}
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int start_transmission()
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{
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if ( !toxav_audio_decoding(ASettins.av) ||
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!toxav_audio_encoding(ASettins.av) )
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return -1;
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/* Don't provide support for video */
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toxav_prepare_transmission(ASettins.av, 0);
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if ( 0 != pthread_create(&ASettins.ttid, NULL, transmission, NULL ) &&
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0 != pthread_detach(ASettins.ttid) ) {
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return -1;
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}
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}
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int stop_transmission()
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{
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ASettins.ttas = 0;
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}
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/*
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* End of transmission
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*/
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/*
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* Callbacks
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*/
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#define CB_BODY(Arg, onFunc) do { ToxWindow* windows = toxav_get_agent_handler(Arg); int i;\
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for (i = 0; i < MAX_WINDOWS_NUM; ++i) if (windows[i].onFunc != NULL) windows[i].onFunc(&windows[i], Arg); } while (0)
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void *callback_recv_invite ( void* arg )
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{
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CB_BODY(arg, onInvite);
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_cbend;
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}
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void *callback_recv_ringing ( void* arg )
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{
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CB_BODY(arg, onRinging);
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_cbend;
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}
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void *callback_recv_starting ( void* arg )
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{
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CB_BODY(arg, onStarting);
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_cbend;
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}
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void *callback_recv_ending ( void* arg )
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{
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CB_BODY(arg, onEnding);
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stop_transmission();
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}
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void *callback_recv_error ( void* arg )
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{
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CB_BODY(arg, onError);
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_cbend;
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}
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void *callback_call_started ( void* arg )
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{
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CB_BODY(arg, onStart);
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_cbend;
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}
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void *callback_call_canceled ( void* arg )
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{
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CB_BODY(arg, onCancel);
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_cbend;
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}
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void *callback_call_rejected ( void* arg )
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{
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CB_BODY(arg, onReject);
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_cbend;
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}
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void *callback_call_ended ( void* arg )
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{
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CB_BODY(arg, onEnd);
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stop_transmission();
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_cbend;
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}
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void *callback_requ_timeout ( void* arg )
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{
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CB_BODY(arg, onTimeout);
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_cbend;
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}
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/*
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* End of Callbacks
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*/
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/*
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* Commands from chat_commands.h
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*/
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void cmd_call(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
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{
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const char* error_str;
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if (argc != 0) { error_str = "Invalid syntax!"; goto on_error; }
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if ( !ASettins.av ) { error_str = "No audio supported!"; goto on_error; }
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ToxAvError error = toxav_call(ASettins.av, self->num, TypeAudio, 30);
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if ( error != ErrorNone ) {
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if ( error == ErrorAlreadyInCall ) error_str = "Already in a call!";
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else error_str = "Internal error!";
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goto on_error;
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}
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wprintw(window, "Calling...\n");
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return;
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on_error:
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wprintw(window, "%s %d\n", error_str, argc);
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}
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void cmd_answer(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
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{
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const char* error_str;
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if (argc != 0) { error_str = "Invalid syntax!"; goto on_error; }
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if ( !ASettins.av ) { error_str = "No audio supported!"; goto on_error; }
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ToxAvError error = toxav_answer(ASettins.av, TypeAudio);
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if ( error != ErrorNone ) {
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if ( error == ErrorInvalidState ) error_str = "Cannot answer in invalid state!";
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else if ( error == ErrorNoCall ) error_str = "No incomming call!";
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else error_str = "Internal error!";
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goto on_error;
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}
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/* Callback will print status... */
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return;
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on_error:
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wprintw(window, "%s\n", error_str);
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}
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void cmd_hangup(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
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{
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const char* error_str;
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if (argc != 0) { error_str = "Invalid syntax!"; goto on_error; }
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if ( !ASettins.av ) { error_str = "No audio supported!"; goto on_error; }
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ToxAvError error = toxav_hangup(ASettins.av);
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if ( error != ErrorNone ) {
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if ( error == ErrorInvalidState ) error_str = "Cannot hangup in invalid state!";
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else if ( error == ErrorNoCall ) error_str = "No call!";
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else error_str = "Internal error!";
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goto on_error;
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}
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return;
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on_error:
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wprintw(window, "%s\n", error_str);
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}
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void cmd_cancel(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
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{
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const char* error_str;
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if (argc != 0) { error_str = "Invalid syntax!"; goto on_error; }
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if ( !ASettins.av ) { error_str = "No audio supported!"; goto on_error; }
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ToxAvError error = toxav_hangup(ASettins.av);
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if ( error != ErrorNone ) {
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if ( error == ErrorNoCall ) error_str = "No call!";
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else error_str = "Internal error!";
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goto on_error;
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}
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/* Callback will print status... */
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return;
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on_error:
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wprintw(window, "%s\n", error_str);
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}
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#endif /* _SUPPORT_AUDIO */
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