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Use macro for prefixing log messages in v4l2 plugin

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This commit is contained in:
fryshorts
2014-07-16 23:42:55 +02:00
parent d8f3761cad
commit 720f159274
1 changed files with 21 additions and 20 deletions
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plugins/linux-v4l2/v4l2-input.c
+21 -20
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@@ -39,6 +39,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define timeval2ns(tv) \
(((uint64_t) tv.tv_sec * 1000000000) + ((uint64_t) tv.tv_usec * 1000))
#define blog(level, msg, ...) blog(level, "v4l2-input: " msg, ##__VA_ARGS__)
struct v4l2_buffer_data {
size_t length;
void *start;
@@ -105,14 +107,14 @@ static int_fast32_t v4l2_start_capture(struct v4l2_data *data)
buf.index = i;
if (ioctl(data->dev, VIDIOC_QBUF, &buf) < 0) {
blog(LOG_ERROR, "v4l2-input: unable to queue buffer");
blog(LOG_ERROR, "unable to queue buffer");
return -1;
}
}
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(data->dev, VIDIOC_STREAMON, &type) < 0) {
blog(LOG_ERROR, "v4l2-input: unable to start stream");
blog(LOG_ERROR, "unable to start stream");
return -1;
}
@@ -127,7 +129,7 @@ static int_fast32_t v4l2_stop_capture(struct v4l2_data *data)
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(data->dev, VIDIOC_STREAMOFF, &type) < 0) {
blog(LOG_ERROR, "v4l2-input: unable to stop stream");
blog(LOG_ERROR, "unable to stop stream");
}
return 0;
@@ -145,12 +147,12 @@ static int_fast32_t v4l2_create_mmap(struct v4l2_data *data)
req.memory = V4L2_MEMORY_MMAP;
if (ioctl(data->dev, VIDIOC_REQBUFS, &req) < 0) {
blog(LOG_DEBUG, "v4l2-input: request for buffers failed !");
blog(LOG_DEBUG, "request for buffers failed !");
return -1;
}
if (req.count < 2) {
blog(LOG_DEBUG, "v4l2-input: not enough memory !");
blog(LOG_DEBUG, "not enough memory !");
return -1;
}
@@ -165,7 +167,7 @@ static int_fast32_t v4l2_create_mmap(struct v4l2_data *data)
buf.index = i;
if (ioctl(data->dev, VIDIOC_QUERYBUF, &buf) < 0) {
blog(LOG_ERROR, "v4l2-input: failed to query buffer");
blog(LOG_ERROR, "failed to query buffer");
return -1;
}
@@ -175,7 +177,7 @@ static int_fast32_t v4l2_create_mmap(struct v4l2_data *data)
data->dev, buf.m.offset);
if (data->buf[i].start == MAP_FAILED) {
blog(LOG_ERROR, "v4l2-input: mmap for buffer failed");
blog(LOG_ERROR, "mmap for buffer failed");
return -1;
}
}
@@ -224,10 +226,10 @@ static void *v4l2_thread(void *vptr)
if (r < 0) {
if (errno == EINTR)
continue;
blog(LOG_DEBUG, "v4l2-input: select failed");
blog(LOG_DEBUG, "select failed");
break;
} else if (r == 0) {
blog(LOG_DEBUG, "v4l2-input: select timeout");
blog(LOG_DEBUG, "select timeout");
continue;
}
@@ -237,7 +239,7 @@ static void *v4l2_thread(void *vptr)
if (ioctl(data->dev, VIDIOC_DQBUF, &buf) < 0) {
if (errno == EAGAIN)
continue;
blog(LOG_DEBUG, "v4l2-input: failed to dequeue buffer");
blog(LOG_DEBUG, "failed to dequeue buffer");
break;
}
@@ -254,7 +256,7 @@ static void *v4l2_thread(void *vptr)
obs_source_output_video(data->source, &out);
if (ioctl(data->dev, VIDIOC_QBUF, &buf) < 0) {
blog(LOG_DEBUG, "v4l2-input: failed to enqueue buffer");
blog(LOG_DEBUG, "failed to enqueue buffer");
break;
}
@@ -309,7 +311,7 @@ static void v4l2_device_list(obs_property_t prop, obs_data_t settings)
continue;
if (ioctl(fd, VIDIOC_QUERYCAP, &video_cap) == -1) {
} else if (video_cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) {
obs_property_list_add_string(prop,
(char *) video_cap.card,
@@ -546,8 +548,7 @@ static void v4l2_init(struct v4l2_data *data)
data->dev = open(data->device, O_RDWR | O_NONBLOCK);
if (data->dev == -1) {
blog(LOG_ERROR, "v4l2-input: Unable to open device: %s",
data->device);
blog(LOG_ERROR, "Unable to open device: %s", data->device);
goto fail;
}
@@ -558,7 +559,7 @@ static void v4l2_init(struct v4l2_data *data)
fmt.fmt.pix.field = V4L2_FIELD_INTERLACED;
if (ioctl(data->dev, VIDIOC_S_FMT, &fmt) < 0) {
blog(LOG_DEBUG, "v4l2-input: unable to set format");
blog(LOG_DEBUG, "unable to set format");
goto fail;
}
data->pixelformat = fmt.fmt.pix.pixelformat;
@@ -570,17 +571,17 @@ static void v4l2_init(struct v4l2_data *data)
par.parm.capture.timeperframe.denominator = data->fps_denominator;
if (ioctl(data->dev, VIDIOC_S_PARM, &par) < 0) {
blog(LOG_DEBUG, "v4l2-input: unable to set params");
blog(LOG_DEBUG, "unable to set params");
goto fail;
}
data->fps_numerator = par.parm.capture.timeperframe.numerator;
data->fps_denominator = par.parm.capture.timeperframe.denominator;
data->linesize = fmt.fmt.pix.bytesperline;
blog(LOG_DEBUG, "v4l2-input: Linesize: %"PRIuFAST32, data->linesize);
blog(LOG_DEBUG, "Linesize: %"PRIuFAST32, data->linesize);
if (v4l2_create_mmap(data) < 0) {
blog(LOG_ERROR, "v4l2-input: failed to map buffers");
blog(LOG_ERROR, "failed to map buffers");
goto fail;
}
@@ -590,7 +591,7 @@ static void v4l2_init(struct v4l2_data *data)
goto fail;
return;
fail:
blog(LOG_DEBUG, "v4l2-input: initialization failed");
blog(LOG_DEBUG, "initialization failed");
v4l2_terminate(data);
}
@@ -656,7 +657,7 @@ static void *v4l2_create(obs_data_t settings, obs_source_t source)
data->source = source;
v4l2_update(data, settings);
blog(LOG_DEBUG, "v4l2-input: New input created");
blog(LOG_DEBUG, "New input created");
return data;
}