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Even more details about V4L adapters

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This commit is contained in:
Andreas Öman 2009-12-10 20:35:09 +00:00
parent a4a133d47d
commit 88bb9b7791
1 changed files with 51 additions and 7 deletions
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58
src/v4l.c
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@ -415,18 +415,15 @@ v4l_adapter_check(const char *path, int fd)
return;
}
tvhlog(LOG_INFO, "v4l", "%s: %s %s %s capabilities: 0x%08x",
path, caps.driver, caps.card, caps.bus_info, caps.capabilities);
if(!(caps.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
tvhlog(LOG_WARNING, "v4l",
"%s: Device is not a video capture device, device skipped", path);
return;
}
if(!(caps.capabilities & V4L2_CAP_TUNER)) {
tvhlog(LOG_WARNING, "v4l",
"%s: Device does not have a tuner, device skipped", path);
return;
}
/* Enum video standards */
for(i = 0;; i++) {
@ -448,6 +445,46 @@ v4l_adapter_check(const char *path, int fd)
standard.framelines);
}
/* Enum video inputs */
for(i = 0;; i++) {
struct v4l2_input input;
memset(&input, 0, sizeof(input));
input.index = i;
if(ioctl(fd, VIDIOC_ENUMINPUT, &input))
break;
const char *type;
switch(input.type) {
case V4L2_INPUT_TYPE_TUNER:
type = "Tuner";
break;
case V4L2_INPUT_TYPE_CAMERA:
type = "Camera";
break;
default:
type = "Unknown";
break;
}
int f = input.status;
tvhlog(LOG_INFO, "v4l",
"%s: Input #%d: %s (%s), audio:0x%x, tuner:%d, standard:%016llx, "
"%s%s%s",
path,
input.index,
input.name,
type,
input.audioset,
input.tuner,
input.std,
f & V4L2_IN_ST_NO_POWER ? "[No power] " : "",
f & V4L2_IN_ST_NO_SIGNAL ? "[No signal] " : "",
f & V4L2_IN_ST_NO_COLOR ? "[No color] " : "");
}
int can_mpeg = 0;
@ -477,6 +514,13 @@ v4l_adapter_check(const char *path, int fd)
can_mpeg = 1;
}
if(!(caps.capabilities & V4L2_CAP_TUNER)) {
tvhlog(LOG_WARNING, "v4l",
"%s: Device does not have a tuner, device skipped", path);
return;
}
if(!can_mpeg) {
tvhlog(LOG_WARNING, "v4l",
"%s: Device lacks MPEG encoder, device skipped", path);
@ -486,7 +530,7 @@ v4l_adapter_check(const char *path, int fd)
caps.card, caps.driver, caps.bus_info);
tvhlog(LOG_INFO, "v4l",
"Found adapter %s (%s)", path, devicename);
"%s: Using adapter", devicename);
v4l_adapter_add(path, devicename, devicename);
}