int jni_aa_cmd (int cmd_len, char * cmd_buf, int res_max, char * res_buf) {
if (ena_log_extra || cmd_len >= 1)
logd ("cmd_len: %d cmd_buf %p res_max: %d res_buf: %p", cmd_len, cmd_buf, res_max, res_buf);
int res_len = 0;
int ret = 0;
if (cmd_buf != NULL && cmd_len == 3 && cmd_buf [0] == 121) { // If onCreate() hu_tra:transport_start()
byte ep_in_addr = cmd_buf [1];
byte ep_out_addr = cmd_buf [2];
ret = hu_aap_start (ep_in_addr, ep_out_addr); // Start USB/ACC/OAP, AA Protocol
aap_state_starts ++; // Count error starts too
if (ret == 0) {
logd ("hu_aap_start() success aap_state_starts: %d", aap_state_starts);
}
else {
loge ("hu_aap_start() error aap_state_starts: %d", aap_state_starts);
aap_state_start_error = 1;
return (-1);
}
}
if (cmd_buf != NULL && cmd_len >= 4) { // If encrypted command to send...
int chan = cmd_buf [0];
ret = hu_aap_enc_send (chan, & cmd_buf [4], cmd_len - 4); // Send
if (cmd_buf != NULL && cmd_len >= 8 && cmd_buf [5] == 15) { // If byebye...
loge ("Byebye");
ms_sleep (100);
ret = hu_aap_stop ();
}
}
else {
ret = hu_aap_recv_process (); // Process 1 message
}
if (ret < 0) {
return (ret);
}
byte * dq_buf = read_head_buffer_get (& res_len);
if (ena_log_extra || (ena_log_verbo && dq_buf != NULL))
logd ("dq_buf: %p", dq_buf);
if (dq_buf == NULL || res_len <= 0) {
if (ena_log_extra)
logd ("No data dq_buf: %p res_len: %d", dq_buf, res_len);
return (0);
}
memcpy (res_buf, dq_buf, res_len);
if (ena_log_verbo)
logd ("res_len: %d", res_len);
return (res_len);
}
int jni_aa_cmd (int cmd_len, char * cmd_buf, int res_max, char * res_buf) {
if (ena_log_extra || cmd_len >= 1)
logd ("cmd_len: %d cmd_buf %p res_max: %d res_buf: %p", cmd_len, cmd_buf, res_max, res_buf);
int res_len = 0;
int ret = 0;
int vid_bufs = vid_buf_buf_tail - vid_buf_buf_head;
int aud_bufs = vid_buf_buf_tail - vid_buf_buf_head;
if (cmd_buf != NULL && cmd_len == 3 && cmd_buf [0] == 121) { // If onCreate() hu_tra:transport_start()
byte ep_in_addr = cmd_buf [1];
byte ep_out_addr = cmd_buf [2]; // Get endpoints passed
ret = hu_aap_start (ep_in_addr, ep_out_addr); // Start USB/ACC/OAP, AA Protocol
aap_state_starts ++; // Count error starts too
if (ret == 0) {
logd ("hu_aap_start() success aap_state_starts: %d", aap_state_starts);
}
else {
loge ("hu_aap_start() error aap_state_starts: %d", aap_state_starts);
aap_state_start_error = 1;
return (-1);
}
}
/* Functions code Params:
Transport Start hu_aap_start() USB EPs
Poll/Handle 1 Rcv Msg hu_aap_recv_process() -
Send:
Send Mic hu_aap_enc_send() mic data
Send Touch hu_aap_enc_send() touch data
Send Ctrl hu_aap_enc_send()/hu_aap_stop() ctrl data
Returns:
Audio Mic Start/Stop
Audio Out Start/Stop
Video
Audio
*/
else if (cmd_buf != NULL && cmd_len >= 4) { // If encrypted command to send...
int chan = 0;//cmd_buf [0];
if (cmd_len > 63) // If Microphone audio...
chan = AA_CH_MIC;
else if (cmd_len > 6 && cmd_buf [4] == 0x80 && cmd_buf [5] == 1) // If Touch event...
chan = AA_CH_TOU;
else // If Byebye or other control packet...
chan = AA_CH_CTR;
if (chan != cmd_buf [0]) {
loge ("chan: %d != cmd_buf[0]: %d", chan, cmd_buf [0]);
chan = cmd_buf [0];
}
//hex_dump ("JNITX: ", 16, cmd_buf, cmd_len);
ret = hu_aap_enc_send (chan, & cmd_buf [4], cmd_len - 4); // Send
if (cmd_buf != NULL && cmd_len >= 8 && cmd_buf [5] == 15) { // If byebye...
logd ("Byebye");
ms_sleep (100);
ret = hu_aap_stop ();
}
}
else {
if (vid_bufs > 0 || aud_bufs > 0) // If any queue audio or video...
ret = 0; // Do nothing (don't wait for recv iaap_tra_recv_tmo)
else
ret = hu_aap_recv_process (); // Else Process 1 message w/ iaap_tra_recv_tmo
}
if (ret < 0) {
return (ret); // If error then done w/ error
}
if (vid_bufs <= 0 && aud_bufs <= 0) { // If no queued audio or video...
ret = hu_aap_mic_get ();
if (ret >= 1) {// && ret <= 2) { // If microphone start (2) or stop (1)...
return (ret); // Done w/ mic notification: start (2) or stop (1)
}
// Else if no microphone state change...
if (hu_aap_out_get (AA_CH_AUD) >= 0) // If audio out stop...
return (3); // Done w/ audio out notification 0
if (hu_aap_out_get (AA_CH_AU1) >= 0) // If audio out stop...
return (4); // Done w/ audio out notification 1
if (hu_aap_out_get (AA_CH_AU2) >= 0) // If audio out stop...
return (5); // Done w/ audio out notification 2
}
byte * dq_buf = NULL;
dq_buf = aud_read_head_buf_get (& res_len); // Get audio if ready
if (dq_buf == NULL) // If no audio... (Audio has priority over video)
dq_buf = vid_read_head_buf_get (& res_len); // Get video if ready
else { // If audio
if (dq_buf [0] == 0 && dq_buf [1] == 0 && dq_buf [2] == 0 && dq_buf [3] == 1) {
dq_buf [3] = 0; // If audio happened to have magic video signature... (rare), then 0 the 1
loge ("magic video signature in audio");
}
//hu_uti.c: #define aud_buf_BUFS_SIZE 65536 * 4 // Up to 256 Kbytes
}
if (ena_log_extra || (ena_log_verbo && dq_buf != NULL))
logd ("dq_buf: %p", dq_buf);
if (dq_buf == NULL || res_len <= 0) {
if (ena_log_extra)
logd ("No data dq_buf: %p res_len: %d", dq_buf, res_len);
return (0);
}
memcpy (res_buf, dq_buf, res_len);
if (ena_log_verbo)
logd ("res_len: %d", res_len);
return (res_len);
}
int main (int argc, char *argv[])
{
signal (SIGTERM, signals_handler);
gst_app_t *app = &gst_app;
int ret = 0;
errno = 0;
byte ep_in_addr = -2;
byte ep_out_addr = -2;
/* Init gstreamer pipeline */
ret = gst_pipeline_init(app);
if (ret < 0) {
printf("gst_pipeline_init() ret: %d\n", ret);
return (-4);
}
/* Start AA processing */
ret = hu_aap_start (ep_in_addr, ep_out_addr);
if (ret == -1)
{
printf("Phone switched to accessory mode. Attempting once more.\n");
sleep(1);
ret = hu_aap_start (ep_in_addr, ep_out_addr);
}
if (ret < 0) {
if (ret == -2)
printf("Phone is not connected. Connect a supported phone and restart.\n");
else if (ret == -1)
printf("Phone switched to accessory mode. Restart to enter AA mode.\n");
else
printf("hu_app_start() ret: %d\n", ret);
return (ret);
}
printf("Starting Android Auto...\n");
/* Open Touchscreen Device */
mTouch.fd = open(EVENT_DEVICE_TS, O_RDONLY);
if (mTouch.fd == -1) {
fprintf(stderr, "%s is not a vaild device\n", EVENT_DEVICE_TS);
return -3;
}
/* Open Commander Device */
mCommander.fd = open(EVENT_DEVICE_CMD, O_RDONLY);
if (mCommander.fd == -1) {
fprintf(stderr, "%s is not a vaild device\n", EVENT_DEVICE_CMD);
return -3;
}
sendqueue = g_async_queue_new();
pthread_t iput_thread;
pthread_create(&iput_thread, NULL, &input_thread, (void *)app);
pthread_t nm_thread;
pthread_create(&nm_thread, NULL, &nightmode_thread, (void *)app);
pthread_t mn_thread;
pthread_create(&mn_thread, NULL, &main_thread, (void *)app);
/* Start gstreamer pipeline and main loop */
ret = gst_loop(app);
if (ret < 0) {
printf("gst_loop() ret: %d\n", ret);
ret = -5;
}
/* Stop AA processing */
ret = hu_aap_stop ();
if (ret < 0) {
printf("hu_aap_stop() ret: %d\n", ret);
ret = -6;
}
close(mTouch.fd);
close(mCommander.fd);
pthread_cancel(nm_thread);
pthread_cancel(mn_thread);
pthread_cancel(iput_thread);
printf("END \n");
return (ret);
}
