75     mVideoInfo = (struct VideoInfo *) calloc (1, sizeof (struct VideoInfo));  in initialize()
76     if(!mVideoInfo)  in initialize()
87     ret = ioctl (mCameraHandle, VIDIOC_QUERYCAP, &mVideoInfo->cap);  in initialize()
94     if ((mVideoInfo->cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) == 0)  in initialize()
100     if (!(mVideoInfo->cap.capabilities & V4L2_CAP_STREAMING))  in initialize()
108     mVideoInfo->isStreaming = false;  in initialize()
121     if ( !mVideoInfo->isStreaming )  in fillThisBuffer()
132     mVideoInfo->buf.index = i;  in fillThisBuffer()
133     mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;  in fillThisBuffer()
134     mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;  in fillThisBuffer()
136     ret = ioctl(mCameraHandle, VIDIOC_QBUF, &mVideoInfo->buf);  in fillThisBuffer()
160     mVideoInfo->width = width;  in setParameters()
161     mVideoInfo->height = height;  in setParameters()
162     mVideoInfo->framesizeIn = (width * height << 1);  in setParameters()
163     mVideoInfo->formatIn = DEFAULT_PIXEL_FORMAT;  in setParameters()
165     mVideoInfo->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;  in setParameters()
166     mVideoInfo->format.fmt.pix.width = width;  in setParameters()
167     mVideoInfo->format.fmt.pix.height = height;  in setParameters()
168     mVideoInfo->format.fmt.pix.pixelformat = DEFAULT_PIXEL_FORMAT;  in setParameters()
170     ret = ioctl(mCameraHandle, VIDIOC_S_FMT, &mVideoInfo->format);  in setParameters()
236     mVideoInfo->rb.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;  in UseBuffersPreview()
237     mVideoInfo->rb.memory = V4L2_MEMORY_MMAP;  in UseBuffersPreview()
238     mVideoInfo->rb.count = num;  in UseBuffersPreview()
240     ret = ioctl(mCameraHandle, VIDIOC_REQBUFS, &mVideoInfo->rb);  in UseBuffersPreview()
248         memset (&mVideoInfo->buf, 0, sizeof (struct v4l2_buffer));  in UseBuffersPreview()
250         mVideoInfo->buf.index = i;  in UseBuffersPreview()
251         mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;  in UseBuffersPreview()
252         mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;  in UseBuffersPreview()
254         ret = ioctl (mCameraHandle, VIDIOC_QUERYBUF, &mVideoInfo->buf);  in UseBuffersPreview()
260         mVideoInfo->mem[i] = mmap (0,  in UseBuffersPreview()
261                mVideoInfo->buf.length,  in UseBuffersPreview()
265                mVideoInfo->buf.m.offset);  in UseBuffersPreview()
267         if (mVideoInfo->mem[i] == MAP_FAILED) {  in UseBuffersPreview()
298        mVideoInfo->buf.index = i;  in startPreview()
299        mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;  in startPreview()
300        mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;  in startPreview()
302        ret = ioctl(mCameraHandle, VIDIOC_QBUF, &mVideoInfo->buf);  in startPreview()
312    if (!mVideoInfo->isStreaming) {  in startPreview()
321        mVideoInfo->isStreaming = true;  in startPreview()
349     if (mVideoInfo->isStreaming) {  in stopPreview()
358         mVideoInfo->isStreaming = false;  in stopPreview()
361     mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;  in stopPreview()
362     mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;  in stopPreview()
369         if (munmap(mVideoInfo->mem[i], mVideoInfo->buf.length) < 0)  in stopPreview()
385     mVideoInfo->buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;  in GetFrame()
386     mVideoInfo->buf.memory = V4L2_MEMORY_MMAP;  in GetFrame()
389     ret = ioctl(mCameraHandle, VIDIOC_DQBUF, &mVideoInfo->buf);  in GetFrame()
396     index = mVideoInfo->buf.index;  in GetFrame()
398     return (char *)mVideoInfo->mem[mVideoInfo->buf.index];  in GetFrame()
501     if (mVideoInfo)  in ~V4LCameraAdapter()
503         free(mVideoInfo);  in ~V4LCameraAdapter()
504         mVideoInfo = NULL;  in ~V4LCameraAdapter()