bool vivid_vid_can_loop(struct vivid_dev *dev) { if (dev->src_rect.width != dev->sink_rect.width || dev->src_rect.height != dev->sink_rect.height) return false; if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc) return false; if (dev->field_cap != dev->field_out) return false; /* * While this can be supported, it is just too much work * to actually implement. */ if (dev->field_cap == V4L2_FIELD_SEQ_TB || dev->field_cap == V4L2_FIELD_SEQ_BT) return false; if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) { if (!(dev->std_cap & V4L2_STD_525_60) != !(dev->std_out & V4L2_STD_525_60)) return false; return true; } if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev)) return true; return false; }
int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) { struct vivid_dev *dev = video_drvdata(file); struct video_device *vdev = video_devdata(file); if (vdev->vfl_dir == VFL_DIR_RX) { if (!vivid_is_sdtv_cap(dev)) return -ENODATA; *id = dev->std_cap; } else { if (!vivid_is_svid_out(dev)) return -ENODATA; *id = dev->std_out; } return 0; }
bool vivid_vid_can_loop(struct vivid_dev *dev) { if (dev->src_rect.width != dev->sink_rect.width || dev->src_rect.height != dev->sink_rect.height) return false; if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc) return false; if (dev->field_cap != dev->field_out) return false; if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) { if (!(dev->std_cap & V4L2_STD_525_60) != !(dev->std_out & V4L2_STD_525_60)) return false; return true; } if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev)) return true; return false; }