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Make it possible to add fake v4l adapters -- basically a mpeg PS file

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Can be useful when testing
This commit is contained in:
Andreas Öman 2010-09-05 10:19:38 +00:00
parent d138728220
commit dbcf5503db
2 changed files with 31 additions and 25 deletions
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54
src/v4l.c
View file

@ -59,6 +59,7 @@ v4l_input(v4l_adapter_t *va)
int len, l, r;
len = read(va->va_fd, buf, 4000);
usleep(10000);
if(len < 1)
return;
@ -190,30 +191,32 @@ v4l_transport_start(th_transport_t *t, unsigned int weight, int force_start)
return -1;
}
result = ioctl(fd, VIDIOC_S_STD, &std);
if(result < 0) {
tvhlog(LOG_ERR, "v4l",
"%s: Unable to set PAL -- %s", va->va_path, strerror(errno));
close(fd);
return -1;
if(!va->va_file) {
result = ioctl(fd, VIDIOC_S_STD, &std);
if(result < 0) {
tvhlog(LOG_ERR, "v4l",
"%s: Unable to set PAL -- %s", va->va_path, strerror(errno));
close(fd);
return -1;
}
memset(&vf, 0, sizeof(vf));
vf.tuner = 0;
vf.type = V4L2_TUNER_ANALOG_TV;
vf.frequency = (frequency * 16) / 1000000;
result = ioctl(fd, VIDIOC_S_FREQUENCY, &vf);
if(result < 0) {
tvhlog(LOG_ERR, "v4l",
"%s: Unable to tune to %dHz", va->va_path, frequency);
close(fd);
return -1;
}
tvhlog(LOG_INFO, "v4l",
"%s: Tuned to %dHz", va->va_path, frequency);
}
memset(&vf, 0, sizeof(vf));
vf.tuner = 0;
vf.type = V4L2_TUNER_ANALOG_TV;
vf.frequency = (frequency * 16) / 1000000;
result = ioctl(fd, VIDIOC_S_FREQUENCY, &vf);
if(result < 0) {
tvhlog(LOG_ERR, "v4l",
"%s: Unable to tune to %dHz", va->va_path, frequency);
close(fd);
return -1;
}
tvhlog(LOG_INFO, "v4l",
"%s: Tuned to %dHz", va->va_path, frequency);
if(pipe(va->va_pipe)) {
tvhlog(LOG_ERR, "v4l",
"%s: Unable to create control pipe", va->va_path, strerror(errno));
@ -390,7 +393,7 @@ v4l_transport_find(v4l_adapter_t *va, const char *id, int create)
*/
static void
v4l_adapter_add(const char *path, const char *displayname,
const char *devicename)
const char *devicename, int file)
{
v4l_adapter_t *va;
int i, r;
@ -407,6 +410,7 @@ v4l_adapter_add(const char *path, const char *displayname,
va->va_displayname = strdup(displayname);
va->va_path = path ? strdup(path) : NULL;
va->va_devicename = devicename ? strdup(devicename) : NULL;
va->va_file = file;
TAILQ_INSERT_TAIL(&v4l_adapters, va, va_global_link);
}
@ -546,7 +550,7 @@ v4l_adapter_check(const char *path, int fd)
tvhlog(LOG_INFO, "v4l",
"%s: Using adapter", devicename);
v4l_adapter_add(path, devicename, devicename);
v4l_adapter_add(path, devicename, devicename, 0);
}

2
src/v4l.h
View file

@ -40,6 +40,8 @@ typedef struct v4l_adapter {
char *va_devicename;
int va_file;
uint32_t va_logging;
// struct v4l2_capability va_caps;