v4l2: v4l2_camera_proxy: Implement VIDIOC_ENUM_FRAMESIZES
Implement VIDIOC_ENUM_FRAMESIZES in the V4L2 compatibility layer. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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@ -241,6 +241,28 @@ int V4L2CameraProxy::vidioc_querycap(struct v4l2_capability *arg)
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return 0;
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}
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int V4L2CameraProxy::vidioc_enum_framesizes(V4L2CameraFile *file, struct v4l2_frmsizeenum *arg)
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{
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LOG(V4L2Compat, Debug) << "Servicing vidioc_enum_framesizes fd = " << file->efd();
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PixelFormat argFormat = v4l2ToDrm(arg->pixel_format);
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/*
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* \todo This might need to be expanded as few pipeline handlers
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* report StreamFormats.
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*/
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const std::vector<Size> &frameSizes = streamConfig_.formats().sizes(argFormat);
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if (arg->index >= frameSizes.size())
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return -EINVAL;
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arg->type = V4L2_FRMSIZE_TYPE_DISCRETE;
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arg->discrete.width = frameSizes[arg->index].width;
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arg->discrete.height = frameSizes[arg->index].height;
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memset(arg->reserved, 0, sizeof(arg->reserved));
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return 0;
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}
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int V4L2CameraProxy::vidioc_enum_fmt(V4L2CameraFile *file, struct v4l2_fmtdesc *arg)
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{
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LOG(V4L2Compat, Debug) << "Servicing vidioc_enum_fmt fd = " << file->efd();
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@ -626,6 +648,7 @@ int V4L2CameraProxy::vidioc_streamoff(V4L2CameraFile *file, int *arg)
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const std::set<unsigned long> V4L2CameraProxy::supportedIoctls_ = {
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VIDIOC_QUERYCAP,
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VIDIOC_ENUM_FRAMESIZES,
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VIDIOC_ENUM_FMT,
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VIDIOC_G_FMT,
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VIDIOC_S_FMT,
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@ -665,6 +688,9 @@ int V4L2CameraProxy::ioctl(V4L2CameraFile *file, unsigned long request, void *ar
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case VIDIOC_QUERYCAP:
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ret = vidioc_querycap(static_cast<struct v4l2_capability *>(arg));
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break;
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case VIDIOC_ENUM_FRAMESIZES:
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ret = vidioc_enum_framesizes(file, static_cast<struct v4l2_frmsizeenum *>(arg));
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break;
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case VIDIOC_ENUM_FMT:
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ret = vidioc_enum_fmt(file, static_cast<struct v4l2_fmtdesc *>(arg));
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break;
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@ -48,6 +48,7 @@ private:
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void freeBuffers();
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int vidioc_querycap(struct v4l2_capability *arg);
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int vidioc_enum_framesizes(V4L2CameraFile *file, struct v4l2_frmsizeenum *arg);
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int vidioc_enum_fmt(V4L2CameraFile *file, struct v4l2_fmtdesc *arg);
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int vidioc_g_fmt(V4L2CameraFile *file, struct v4l2_format *arg);
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int vidioc_s_fmt(V4L2CameraFile *file, struct v4l2_format *arg);
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