static VideoPhonePlugin * _video_init(PhonePluginHelper * helper)
{
VideoPhonePlugin * video;
char const * device;
char const * p;
if((video = object_new(sizeof(*video))) == NULL)
return NULL;
video->helper = helper;
if((device = helper->config_get(helper->phone, "video", "device"))
== NULL)
device = VIDEO_DEVICE;
p = helper->config_get(helper->phone, "video", "hflip");
video->hflip = (p != NULL && p[0] != '\0' && strtol(p, NULL, 10) > 0)
? TRUE : FALSE;
p = helper->config_get(helper->phone, "video", "vflip");
video->vflip = (p != NULL && p[0] != '\0' && strtol(p, NULL, 10) > 0)
? TRUE : FALSE;
p = helper->config_get(helper->phone, "video", "ratio");
video->ratio = (p == NULL || p[0] == '\0' || strtol(p, NULL, 10) != 0)
? TRUE : FALSE;
video->interp = GDK_INTERP_BILINEAR;
video->source = 0;
video->fd = -1;
memset(&video->cap, 0, sizeof(video->cap));
video->channel = NULL;
video->buffers = NULL;
video->buffers_cnt = 0;
video->raw_buffer = NULL;
video->raw_buffer_cnt = 0;
video->rgb_buffer = NULL;
video->rgb_buffer_cnt = 0;
video->yuv_amp = 255;
video->window = NULL;
#if !GTK_CHECK_VERSION(3, 0, 0)
video->gc = NULL;
#endif
/* check for errors */
if((video->device = string_new(device)) == NULL)
{
helper->error(helper->phone,
"Could not initialize the video capture device",
1);
_video_destroy(video);
return NULL;
}
/* create the window */
video->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(video->window), "Phone - Video");
gtk_widget_realize(video->window);
#if !GTK_CHECK_VERSION(3, 0, 0)
video->gc = gdk_gc_new(video->window->window); /* XXX */
#endif
g_signal_connect_swapped(video->window, "delete-event", G_CALLBACK(
_init_on_closex), video);
video->area = gtk_drawing_area_new();
video->pixbuf = NULL;
#if !GTK_CHECK_VERSION(3, 0, 0)
video->pixmap = NULL;
#endif
#if GTK_CHECK_VERSION(3, 0, 0)
g_signal_connect(video->area, "draw", G_CALLBACK(
_video_on_drawing_area_draw), video);
g_signal_connect(video->area, "size-allocate", G_CALLBACK(
_video_on_drawing_area_size_allocate), video);
#else
g_signal_connect(video->area, "configure-event", G_CALLBACK(
_video_on_drawing_area_configure), video);
g_signal_connect(video->area, "expose-event", G_CALLBACK(
_video_on_drawing_area_expose), video);
#endif
gtk_widget_set_size_request(video->area, video->format.fmt.pix.width,
video->format.fmt.pix.height);
gtk_container_add(GTK_CONTAINER(video->window), video->area);
gtk_widget_show_all(video->window);
_video_start(video);
return video;
}
/* video_init */
static VideoPhonePlugin * _video_init(PhonePluginHelper * helper)
{
VideoPhonePlugin * video;
struct v4l2_capability cap;
struct v4l2_cropcap cropcap;
struct v4l2_crop crop;
struct v4l2_format format;
if((video = object_new(sizeof(*video))) == NULL)
return NULL;
video->helper = helper;
/* FIXME let this be configurable */
video->fd = open("/dev/video0", O_RDWR);
video->buffer = buffer_new(0, NULL);
video->source = 0;
video->window = NULL;
/* check for errors */
if(video->buffer == NULL
|| video->fd < 0
|| _video_ioctl(video, VIDIOC_QUERYCAP, &cap) == -1
|| (cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) == 0
/* FIXME also implement mmap() and streaming */
|| (cap.capabilities & V4L2_CAP_READWRITE) == 0)
{
helper->error(helper->phone,
"Could not open the video capture device", 1);
_video_destroy(video);
return NULL;
}
/* reset cropping */
memset(&cropcap, 0, sizeof(cropcap));
cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if(_video_ioctl(video, VIDIOC_CROPCAP, &cropcap) == 0)
{
/* reset to default */
crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
crop.c = cropcap.defrect;
if(_video_ioctl(video, VIDIOC_S_CROP, &crop) == -1
&& errno == EINVAL)
helper->error(helper->phone, "Cropping not supported",
0);
}
/* obtain the current format */
if(_video_ioctl(video, VIDIOC_G_FMT, &format) == -1
|| buffer_set_size(video->buffer,
format.fmt.pix.sizeimage) != 0)
{
_video_destroy(video);
return NULL;
}
/* create the window */
video->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_resizable(GTK_WINDOW(video->window), FALSE);
gtk_window_set_title(GTK_WINDOW(video->window), "Phone - Video");
g_signal_connect_swapped(video->window, "delete-event", G_CALLBACK(
_video_on_closex), video);
video->area = gtk_drawing_area_new();
gtk_widget_set_size_request(video->area, format.fmt.pix.width,
format.fmt.pix.height);
gtk_container_add(GTK_CONTAINER(video->window), video->area);
gtk_widget_show_all(video->window);
if(_video_on_refresh(video) == TRUE)
video->source = g_timeout_add(1000, _video_on_refresh, video);
return video;
}
