static void play_file_av(int filefd, int vfd, int afd)
{
unsigned char buf[BUFFY];
int count;
audioSetMute(afd, 1);
videoBlank(vfd, 1);
if (audio && !black) {
audioStop(afd);
deviceClear(afd, -1);
audioSetAVSync(afd, 0);
audioSelectSource(afd, AUDIO_SOURCE_MEMORY);
audioPlay(afd);
videoBlank(vfd, 0);
} else if (audio && black) {
deviceClear(afd, vfd);
videoBlank(vfd, 1);
audioSetAVSync(afd, 0);
audioSelectSource(afd, AUDIO_SOURCE_MEMORY);
videoSelectSource(vfd, VIDEO_SOURCE_MEMORY);
audioPlay(afd);
videoPlay(vfd);
} else {
deviceClear(afd, vfd);
audioSetAVSync(afd, 1);
audioSelectSource(afd, AUDIO_SOURCE_MEMORY);
videoSelectSource(vfd, VIDEO_SOURCE_MEMORY);
audioPlay(afd);
videoPlay(vfd);
videoBlank(vfd, 0);
}
if (dolby) {
audioSetVolume(afd, 0);
volset = 0;
} else {
audioSetVolume(afd, 255);
volset = 1;
}
#ifndef __stub_posix_fadvise
posix_fadvise(filefd, 0, 0, POSIX_FADV_SEQUENTIAL);
#endif
while ((count = read(filefd,buf,BUFFY)) > 0)
scan_file_av(vfd,afd,buf,count);
}
void settings_load()
{
unsigned long size = 0;
file_size("settings.txt", &size);
if (size < 24) {
return;
}
char *ptr = vm_malloc(size);
if (NULL == ptr) {
return;
}
file_read("settings.txt", ptr, size, 0);
cJSON *root = cJSON_Parse(ptr);
if (NULL == root) {
vm_free(ptr);
return;
}
g_settings_brightness = cJSON_GetObjectItem(root, "brightness")->valueint;
g_settings_sound = cJSON_GetObjectItem(root, "sound")->valueint;
if (g_settings_brightness > 6) {
g_settings_brightness = 6;
}
snprintf(g_settings_brightness_str, sizeof(g_settings_brightness_str), "%d", g_settings_brightness);
if (g_settings_sound > 6) {
g_settings_sound = 6;
}
g_settings_sound_str[0] = '0' + g_settings_sound;
lcd_backlight_level(g_brightness_table[g_settings_brightness]);
audioSetVolume(g_settings_sound);
UG_ButtonSetText(&g_settings_window, 7, g_settings_brightness_str);
UG_ButtonSetText(&g_settings_window, 4, g_settings_sound_str);
vm_free(ptr);
}
void
audioOpen(int frequency, int stereo, int volume)
{
int supportedMixers, play_format=AFMT_S16_LE;
if ((audio_fd = open ("/dev/dsp", O_WRONLY, 0)) == -1)
die("Unable to open the audio device\n");
if (ioctl(audio_fd, SNDCTL_DSP_SETFMT,&play_format) < 0)
die("Unable to set required audio format\n");
if ((mixer_fd=open("/dev/mixer",O_RDWR)) == -1)
warn("Unable to open mixer device\n");
if (ioctl(mixer_fd, SOUND_MIXER_READ_DEVMASK, &supportedMixers) == -1) {
warn("Unable to get mixer info assuming master volume\n");
volumeIoctl=SOUND_MIXER_WRITE_VOLUME;
} else {
if ((supportedMixers & SOUND_MASK_PCM) != 0)
volumeIoctl=SOUND_MIXER_WRITE_PCM;
else
volumeIoctl=0;
}
/* Set 1 or 2 channels */
stereo=(stereo ? 1 : 0);
if (ioctl(audio_fd, SNDCTL_DSP_STEREO, &stereo) < 0)
die("Unable to set stereo/mono\n");
/* Set the output frequency */
if (ioctl(audio_fd, SNDCTL_DSP_SPEED, &frequency) < 0)
die("Unable to set frequency: %d\n",frequency);
if (volume != -1)
audioSetVolume(volume);
if (ioctl(audio_fd, SNDCTL_DSP_GETBLKSIZE, &AUSIZ) == -1)
die("Unable to get fragment size\n");
}
static int scan_file_av(int vfd, int afd, const unsigned char *buf, int buflen)
{
const unsigned char *const start = buf;
const unsigned char *const end = buf + buflen;
static unsigned int magic = 0xffffffff;
static unsigned short count, len;
static int fdc = -1;
int m;
while (buf < end) {
if (count < 6) {
switch (count) {
case 0:
m = 0;
while ((magic & 0xffffff00) != 0x00000100) {
if (buf >= end) goto out;
magic = (magic << 8) | *buf++;
m++;
}
if (m > 4)
printf("Broken Frame found\n");
play[3] = (unsigned char)(magic & 0x000000ff);
switch (play[3]) {
case 0xE0 ... 0xEF:
fdc = vfd;
if (except[0] != play[3]) {
if (except[0] == 0)
except[0] = play[3];
else
fdc = -1;
}
if (audio)
fdc = -1;
break;
case 0xC0 ... 0xDF:
fdc = afd;
if (dolby) {
fdc = -1;
break;
}
if (except[1] != play[3]) {
if (except[1] == 0)
except[1] = play[3];
else
fdc = -1;
}
if (!volset) {
audioSetVolume(afd, 255);
volset = 1;
}
break;
case 0xBD:
/*
* TODO: sub filter to through out e.g. ub pictures
* in Private Streams 1 _and_ get sub audio header
* to set an except(ion) audio stream.
* The later one requires some changes within the VDR
* remux part! 2004/07/01 Werner
*/
fdc = afd;
if (!dolby) {
fdc = -1;
break;
}
if (volset) {
audioSetVolume(afd, 0);
volset = 0;
}
break;
default:
fdc = -1;
break;
}
count = 4;
case 4:
if (buf >= end) goto out;
len = ((*buf) << 8);
play[4] = (*buf);
buf++;
count++;
case 5:
if (buf >= end) goto out;
len |= (*buf);
len += 6;
play[5] = (*buf);
buf++;
count++;
if (fdc != -1)
copy_to_dvb(vfd, afd, fdc, &play[0], count);
default:
break;
}
}
while (count < len) {
int rest = end - buf;
if (rest <= 0) goto out;
if (rest + count > len)
rest = len - count;
if (fdc != -1)
copy_to_dvb(vfd, afd, fdc, buf, rest);
count += rest;
buf += rest;
}
/* Reset for next scan */
magic = 0xffffffff;
count = len = 0;
fdc = -1;
play[3] = 0xff;
}
out:
return buf - start;
}
static void settings_window_callback(UG_MESSAGE *msg)
{
if (msg->type == MSG_TYPE_OBJECT) {
if (msg->id == OBJ_TYPE_BUTTON && msg->event == OBJ_EVENT_RELEASED) {
switch (msg->sub_id) {
case 0: // back
if (g_settings_is_changed) {
g_settings_is_changed = 0;
settings_save();
}
UG_WindowShow(&g_home_window);
break;
case 3: // -
if (g_settings_sound > 0) {
g_settings_is_changed = 1;
g_settings_sound--;
audioSetVolume(g_settings_sound);
g_settings_sound_str[0] = '0' + g_settings_sound;
UG_ButtonSetText(&g_settings_window, 4,
g_settings_sound_str);
}
break;
case 5: // +
if (g_settings_sound < 6) {
g_settings_is_changed = 1;
g_settings_sound++;
audioSetVolume(g_settings_sound);
g_settings_sound_str[0] = '0' + g_settings_sound;
UG_ButtonSetText(&g_settings_window, 4,
g_settings_sound_str);
}
break;
case 6: // -
if (g_settings_brightness > 0) {
g_settings_is_changed = 1;
g_settings_brightness--;
lcd_backlight_level(g_brightness_table[g_settings_brightness]);
itoa(g_settings_brightness, g_settings_brightness_str,
10);
UG_ButtonSetText(&g_settings_window, 7,
g_settings_brightness_str);
}
break;
case 8: // +
if (g_settings_brightness < 6) {
g_settings_is_changed = 1;
g_settings_brightness++;
lcd_backlight_level(g_brightness_table[g_settings_brightness]);
itoa(g_settings_brightness, g_settings_brightness_str,
10);
UG_ButtonSetText(&g_settings_window, 7,
g_settings_brightness_str);
}
break;
default:
break;
}
}
}
}
