117     struct v4l2_buffer         buf;  in camera_source_init()  local
225         buf = (struct v4l2_buffer) {0};  in camera_source_init()
226         buf.type    = type;  in camera_source_init()
227         buf.memory  = V4L2_MEMORY_MMAP;  in camera_source_init()
228         buf.index   = i;  in camera_source_init()
231             buf.m.planes = planes;  in camera_source_init()
232             buf.length = FMT_NUM_PLANES;  in camera_source_init()
235         if (-1 == camera_source_ioctl(ctx->fd, VIDIOC_QUERYBUF, &buf)) {  in camera_source_init()
240         if (V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE == buf.type) {  in camera_source_init()
242             buf_len = buf.m.planes[0].length;  in camera_source_init()
245                      buf.m.planes[0].length,  in camera_source_init()
248                      ctx->fd, buf.m.planes[0].m.mem_offset);  in camera_source_init()
250             buf_len = buf.length;  in camera_source_init()
253                      buf.length,  in camera_source_init()
256                      ctx->fd, buf.m.offset);  in camera_source_init()
289         buf = (struct v4l2_buffer) {0};  in camera_source_init()
290         buf.type    = type;  in camera_source_init()
291         buf.memory  = V4L2_MEMORY_MMAP;  in camera_source_init()
292         buf.index   = i;  in camera_source_init()
295             buf.m.planes = planes;  in camera_source_init()
296             buf.length = FMT_NUM_PLANES;  in camera_source_init()
299         if (-1 == camera_source_ioctl(ctx->fd, VIDIOC_QBUF, &buf)) {  in camera_source_init()
329     struct v4l2_buffer buf;  in camera_source_deinit()  local
346         buf = (struct v4l2_buffer) {0};  in camera_source_deinit()
347         buf.type    = type;  in camera_source_deinit()
348         buf.memory  = V4L2_MEMORY_MMAP;  in camera_source_deinit()
349         buf.index   = i;  in camera_source_deinit()
350         camera_source_ioctl(ctx->fd, VIDIOC_QUERYBUF, &buf);  in camera_source_deinit()
351         if (ctx->fbuf[buf.index].buffer) {  in camera_source_deinit()
352             mpp_buffer_put(ctx->fbuf[buf.index].buffer);  in camera_source_deinit()
354         munmap(ctx->fbuf[buf.index].start, ctx->fbuf[buf.index].length);  in camera_source_deinit()
367     struct v4l2_buffer buf;  in camera_source_get_frame()  local
371     buf = (struct v4l2_buffer) {0};  in camera_source_get_frame()
372     buf.type   = type;  in camera_source_get_frame()
373     buf.memory = V4L2_MEMORY_MMAP;  in camera_source_get_frame()
377         buf.m.planes = planes;  in camera_source_get_frame()
378         buf.length = FMT_NUM_PLANES;  in camera_source_get_frame()
381     if (-1 == camera_source_ioctl(ctx->fd, VIDIOC_DQBUF, &buf)) {  in camera_source_get_frame()
386     if (buf.index > ctx->bufcnt) {  in camera_source_get_frame()
392         buf.bytesused = buf.m.planes[0].bytesused;  in camera_source_get_frame()
394     return buf.index;  in camera_source_get_frame()
400     struct v4l2_buffer buf;  in camera_source_put_frame()  local
407     buf = (struct v4l2_buffer) {0};  in camera_source_put_frame()
408     buf.type   = type;  in camera_source_put_frame()
409     buf.memory = V4L2_MEMORY_MMAP;  in camera_source_put_frame()
410     buf.index  = idx;  in camera_source_put_frame()
414         buf.m.planes = planes;  in camera_source_put_frame()
415         buf.length = FMT_NUM_PLANES;  in camera_source_put_frame()
419     if (-1 == camera_source_ioctl(ctx->fd, VIDIOC_QBUF, &buf)) {  in camera_source_put_frame()
429     MppBuffer buf = NULL;  in camera_frame_to_buf()  local
432         return buf;  in camera_frame_to_buf()
434     buf = ctx->fbuf[idx].buffer;  in camera_frame_to_buf()
435     if (buf)  in camera_frame_to_buf()
436         mpp_buffer_sync_end(buf);  in camera_frame_to_buf()
438     return buf;  in camera_frame_to_buf()