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Code Issues Projects Releases Wiki Activity

Refactored video calls

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This commit is contained in:
cnhenry
2015-08-11 06:11:09 -05:00
parent ad04fa4dcd
commit 6e0d19b01d
8 changed files with 259 additions and 113 deletions
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50
src/video_device.c
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@ -186,7 +186,7 @@ VideoDeviceError init_video_devices()
/* Query V4L for capture capabilities */
if ( ioctl(fd, VIDIOC_QUERYCAP, &cap) == -1 ) {
video_input_name = cap.card;
video_input_name = &cap.card;
} else {
video_input_name = device_address;
}
@ -311,6 +311,9 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
/* Obtain video device capabilities */
struct v4l2_capability cap;
if ( -1 == xioctl(device->fd, VIDIOC_QUERYCAP, &cap) ) {
close(device->fd);
free(device);
return vde_FailedStart;
}
@ -321,6 +324,9 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
if( -1 == xioctl(device->fd, VIDIOC_G_FMT, &fmt) ) {
close(device->fd);
free(device);
return vde_FailedStart;
}
@ -334,10 +340,16 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
req.memory = V4L2_MEMORY_MMAP;
if ( -1 == xioctl(device->fd, VIDIOC_REQBUFS, &req) ) {
close(device->fd);
free(device);
return vde_FailedStart;
}
if ( req.count < 2 ) {
close(device->fd);
free(device);
return vde_FailedStart;
}
@ -352,6 +364,9 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
buf.index = i;
if ( -1 == xioctl(device->fd, VIDIOC_QUERYBUF, &buf) ) {
close(device->fd);
free(device);
return vde_FailedStart;
}
@ -363,6 +378,11 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
device->fd, buf.m.offset);
if ( MAP_FAILED == device->buffers[i].start ) {
for (i = 0; i < buf.index; ++i)
munmap(device->buffers[i].start, device->buffers[i].length);
close(device->fd);
free(device);
return vde_FailedStart;
}
}
@ -379,6 +399,11 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
buf.index = i;
if ( -1 == xioctl(device->fd, VIDIOC_QBUF, &buf) ) {
for (i = 0; i < device->n_buffers; ++i)
munmap(device->buffers[i].start, device->buffers[i].length);
close(device->fd);
free(device);
return vde_FailedStart;
}
}
@ -387,6 +412,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
/* Turn on video stream */
if ( -1 == xioctl(device->fd, VIDIOC_STREAMON, &type) ) {
close_video_device(vdt_input, *device_idx);
return vde_FailedStart;
}
@ -397,6 +424,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
/* Create X11 window associated to device */
if ( (device->x_display = XOpenDisplay(NULL)) == NULL ) {
close_video_device(vdt_input, *device_idx);
return vde_FailedStart;
}
@ -405,6 +434,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
if ( !(device->x_window = XCreateSimpleWindow(device->x_display, RootWindow(device->x_display, screen), 0, 0,
device->video_width, device->video_height, 0, BlackPixel(device->x_display, screen),
BlackPixel(device->x_display, screen))) ) {
close_video_device(vdt_input, *device_idx);
return vde_FailedStart;
}
@ -412,6 +443,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
XSelectInput(device->x_display, device->x_window, ExposureMask|ButtonPressMask|KeyPressMask);
if ( (device->x_gc = DefaultGC(device->x_display, screen)) == NULL ) {
close_video_device(vdt_input, *device_idx);
return vde_FailedStart;
}
@ -427,6 +460,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
/* Create X11 window associated to device */
if ( (device->x_display = XOpenDisplay(NULL)) == NULL ) {
close_video_device(vdt_output, *device_idx);
return vde_FailedStart;
}
@ -434,6 +469,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
if ( !(device->x_window = XCreateSimpleWindow(device->x_display, RootWindow(device->x_display, screen), 0, 0,
100, 100, 0, BlackPixel(device->x_display, screen), BlackPixel(device->x_display, screen))) ) {
close_video_device(vdt_output, *device_idx);
return vde_FailedStart;
}
@ -441,6 +478,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
XSelectInput(device->x_display, device->x_window, ExposureMask|ButtonPressMask|KeyPressMask);
if ( (device->x_gc = DefaultGC(device->x_display, screen)) == NULL ) {
close_video_device(vdt_output, *device_idx);
return vde_FailedStart;
}
@ -465,12 +504,15 @@ __inline VideoDeviceError write_video_out(uint16_t width, uint16_t height,
if ( !device ) return vde_DeviceNotActive;
if( !device->x_window ) return vde_DeviceNotActive;
pthread_mutex_lock(device->mutex);
int screen = DefaultScreen(device->x_display);
/* Recreate missing X11 window */
if ( !device->x_window ) {
/*if ( !device->x_window ) {
int screen = DefaultScreen(device->x_display);
device->x_window = XCreateSimpleWindow(device->x_display, RootWindow(device->x_display, screen), 0, 0,
device->video_width, device->video_height, 0, BlackPixel(device->x_display, screen),
BlackPixel(device->x_display, screen));
@ -479,7 +521,7 @@ __inline VideoDeviceError write_video_out(uint16_t width, uint16_t height,
XMapRaised(device->x_display, device->x_window);
XFlush(device->x_display);
}
}*/
/* Resize X11 window to correct size */
if ( device->video_width != width || device->video_height != height ) {