/*
* CINELERRA
* Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ *
*/
+#ifdef HAVE_VIDEO4LINUX2
#include "bctimer.h"
#include "channel.h"
#include <errno.h>
#include <fcntl.h>
-#ifdef HAVE_VIDEO4LINUX2
#include <linux/videodev2.h>
-#endif
#include <sys/ioctl.h>
#include <sys/mman.h>
qbfrs_lock = new Mutex("DeviceV4L2Base::qbfrs_lock");
video_lock = new Condition(0, "DeviceV4L2Base::video_lock", 1);
dev_fd = -1;
+ iwidth = 0;
+ iheight = 0;
color_model = -1;
device_buffers = 0;
device_channel = 0;
struct v4l2_input arg;
memset(&arg, 0, sizeof(arg));
arg.index = i;
-
+
if(ioctl(vfd, VIDIOC_ENUMINPUT, &arg) < 0) break;
Channel *channel = video_device->new_input_source((char*)arg.name);
channel->device_index = i;
// if( (cap.capabilities & V4L2_CAP_READWRITE) ) printf("READWRITE ");
// if( (cap.capabilities & V4L2_CAP_ASYNCIO) ) printf("ASYNCIO ");
// if( (cap.capabilities & V4L2_CAP_STREAMING) ) printf("STREAMING ");
-// printf("\n");
+// printf("\n");
int config_width = video_device->in_config->w;
int config_height = video_device->in_config->h;
unsigned int best_format = 0;
int best_merit = 0;
int best_color_model = -1;
- int best_area = 1;
+ int best_area = INT_MAX;
int driver = video_device->in_config->driver;
for( int i=0; i<20; ++i ) {
int cmodel = -1;
switch(fmt.pixelformat)
{
- case V4L2_PIX_FMT_UYVY: cmodel = BC_UVY422; merit = 4; break;
case V4L2_PIX_FMT_YUYV: cmodel = BC_YUV422; merit = 4; break;
+ case V4L2_PIX_FMT_UYVY: cmodel = BC_UVY422; merit = 4; break;
case V4L2_PIX_FMT_Y41P: cmodel = BC_YUV411P; merit = 1; break;
case V4L2_PIX_FMT_YVU420: cmodel = BC_YUV420P; merit = 3; break;
case V4L2_PIX_FMT_YUV422P: cmodel = BC_YUV422P; merit = 4; break;
case V4L2_PIX_FMT_RGB24: cmodel = BC_RGB888; merit = 6; break;
case V4L2_PIX_FMT_MJPEG:
cmodel = BC_COMPRESSED;
- merit = driver == VIDEO4LINUX2JPEG ? 7 : 0;
+ merit = driver == VIDEO4LINUX2JPEG ||
+ driver == CAPTURE_JPEG_WEBCAM ? 7 : 0;
break;
case V4L2_PIX_FMT_MPEG:
cmodel = BC_YUV420P;
printf("%dx%d",w,h);
int area = w * h;
if( area > config_area ) continue;
- int diff0 = area - best_area;
- if( diff0 < 0 ) diff0 = -diff0;
- int diff1 = area - config_area;
- if( diff1 < 0 ) diff1 = -diff1;
- if( diff1 < diff0 ) {
- best_area = area;
+ int diff = abs(area-config_area);
+ if( diff < best_area ) {
+ best_area = diff;
best_width = w;
best_height = h;
}
best_format = cmodel_to_device(color_model);
break;
}
- printf(_("DeviceV4L2Base::v4l2_open "
- " attempting format %4.4s\n"), (char *)&best_format);
+ printf("DeviceV4L2Base::v4l2_open ");
+ printf(_(" attempting format %4.4s\n"),
+ (char *)&best_format);
}
if(driver == VIDEO4LINUX2JPEG && best_format != V4L2_PIX_FMT_MJPEG)
{
- printf(_("DeviceV4L2Base::v4l2_open jpeg driver"
- " and best_format not mjpeg (%4.4s)\n"), (char *)&best_format);
+ printf("DeviceV4L2Base::v4l2_open ");
+ printf(_("jpeg driver and best_format not mjpeg (%4.4s)\n"),
+ (char *)&best_format);
return 1;
}
if(driver == VIDEO4LINUX2MPEG && best_format != V4L2_PIX_FMT_MPEG)
{
- printf(_("DeviceV4L2Base::v4l2_open mpeg driver"
- " and best_format not mpeg (%4.4s)\n"),(char *)&best_format);
+ printf("DeviceV4L2Base::v4l2_open ");
+ printf(_("mpeg driver and best_format not mpeg (%4.4s)\n"),
+ (char *)&best_format);
return 1;
}
if(config_width != best_width || config_height != best_height)
{
- printf(_("DeviceV4L2Base::v4l2_open config geom %dx%d != %dx%d best_geom\n"),
+ printf("DeviceV4L2Base::v4l2_open ");
+ printf(_("config geom %dx%d != %dx%d best_geom\n"),
config_width, config_height, best_width, best_height);
}
{
v4l2_parm.parm.capture.capturemode |= V4L2_CAP_TIMEPERFRAME;
v4l2_parm.parm.capture.timeperframe.numerator = 1;
- v4l2_parm.parm.capture.timeperframe.denominator =
- (unsigned long)((float)1 /
+ v4l2_parm.parm.capture.timeperframe.denominator =
+ (unsigned long)((float)1 /
video_device->frame_rate * 10000000);
if(vioctl(VIDIOC_S_PARM, &v4l2_parm) < 0)
perror("DeviceV4L2Base::v4l2_open VIDIOC_S_PARM");
perror("DeviceV4L2Base::v4l2_open VIDIOC_G_PARM");
}
+ printf("v4l2 s_fmt %dx%d %4.4s\n", best_width, best_height, (char*)&best_format);
// Set up data format
struct v4l2_format v4l2_params;
memset(&v4l2_params, 0, sizeof(v4l2_params));
(char*)&v4l2_params.fmt.pix.pixelformat, (char*)&best_format);
return 1;
}
- if( (int)v4l2_params.fmt.pix.width != best_width ||
- (int)v4l2_params.fmt.pix.height != best_height )
+ iwidth = v4l2_params.fmt.pix.width;
+ iheight = v4l2_params.fmt.pix.height;
+ if( iwidth != best_width || iheight != best_height )
{
printf("DeviceV4L2Base::v4l2_open set geom %dx%d != %dx%d best_geom\n",
- v4l2_params.fmt.pix.width, v4l2_params.fmt.pix.height,
- best_width, best_height);
+ iwidth, iheight, best_width, best_height);
return 1;
}
memset(device_buffers, 0, bfr_count*sizeof(device_buffers[0]));
//printf("DeviceV4L2Base::start_dev color_model=%d\n", color_model);
- int iwidth = video_device->in_config->w;
- int iheight = video_device->in_config->h;
int y_offset = 0, line_size = -1;
int u_offset = 0, v_offset = 0;
}
}
+#endif
projects / goodguy / history.git / blobdiff