126 static struct vim2m_fmt *find_format(struct v4l2_format *f)  in find_format()  argument
133 		if (fmt->fourcc == f->fmt.pix.pixelformat)  in find_format()
440 static int enum_fmt(struct v4l2_fmtdesc *f, u32 type)  in enum_fmt()  argument
450 			if (num == f->index)  in enum_fmt()
461 		strncpy(f->description, fmt->name, sizeof(f->description) - 1);  in enum_fmt()
462 		f->pixelformat = fmt->fourcc;  in enum_fmt()
471 				   struct v4l2_fmtdesc *f)  in vidioc_enum_fmt_vid_cap()  argument
473 	return enum_fmt(f, MEM2MEM_CAPTURE);  in vidioc_enum_fmt_vid_cap()
477 				   struct v4l2_fmtdesc *f)  in vidioc_enum_fmt_vid_out()  argument
479 	return enum_fmt(f, MEM2MEM_OUTPUT);  in vidioc_enum_fmt_vid_out()
482 static int vidioc_g_fmt(struct vim2m_ctx *ctx, struct v4l2_format *f)  in vidioc_g_fmt()  argument
487 	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);  in vidioc_g_fmt()
491 	q_data = get_q_data(ctx, f->type);  in vidioc_g_fmt()
493 	f->fmt.pix.width	= q_data->width;  in vidioc_g_fmt()
494 	f->fmt.pix.height	= q_data->height;  in vidioc_g_fmt()
495 	f->fmt.pix.field	= V4L2_FIELD_NONE;  in vidioc_g_fmt()
496 	f->fmt.pix.pixelformat	= q_data->fmt->fourcc;  in vidioc_g_fmt()
497 	f->fmt.pix.bytesperline	= (q_data->width * q_data->fmt->depth) >> 3;  in vidioc_g_fmt()
498 	f->fmt.pix.sizeimage	= q_data->sizeimage;  in vidioc_g_fmt()
499 	f->fmt.pix.colorspace	= ctx->colorspace;  in vidioc_g_fmt()
505 				struct v4l2_format *f)  in vidioc_g_fmt_vid_out()  argument
507 	return vidioc_g_fmt(file2ctx(file), f);  in vidioc_g_fmt_vid_out()
511 				struct v4l2_format *f)  in vidioc_g_fmt_vid_cap()  argument
513 	return vidioc_g_fmt(file2ctx(file), f);  in vidioc_g_fmt_vid_cap()
516 static int vidioc_try_fmt(struct v4l2_format *f, struct vim2m_fmt *fmt)  in vidioc_try_fmt()  argument
520 	if (f->fmt.pix.height < MIN_H)  in vidioc_try_fmt()
521 		f->fmt.pix.height = MIN_H;  in vidioc_try_fmt()
522 	else if (f->fmt.pix.height > MAX_H)  in vidioc_try_fmt()
523 		f->fmt.pix.height = MAX_H;  in vidioc_try_fmt()
525 	if (f->fmt.pix.width < MIN_W)  in vidioc_try_fmt()
526 		f->fmt.pix.width = MIN_W;  in vidioc_try_fmt()
527 	else if (f->fmt.pix.width > MAX_W)  in vidioc_try_fmt()
528 		f->fmt.pix.width = MAX_W;  in vidioc_try_fmt()
530 	f->fmt.pix.width &= ~DIM_ALIGN_MASK;  in vidioc_try_fmt()
531 	f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;  in vidioc_try_fmt()
532 	f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;  in vidioc_try_fmt()
533 	f->fmt.pix.field = V4L2_FIELD_NONE;  in vidioc_try_fmt()
539 				  struct v4l2_format *f)  in vidioc_try_fmt_vid_cap()  argument
544 	fmt = find_format(f);  in vidioc_try_fmt_vid_cap()
546 		f->fmt.pix.pixelformat = formats[0].fourcc;  in vidioc_try_fmt_vid_cap()
547 		fmt = find_format(f);  in vidioc_try_fmt_vid_cap()
552 			 f->fmt.pix.pixelformat);  in vidioc_try_fmt_vid_cap()
555 	f->fmt.pix.colorspace = ctx->colorspace;  in vidioc_try_fmt_vid_cap()
557 	return vidioc_try_fmt(f, fmt);  in vidioc_try_fmt_vid_cap()
561 				  struct v4l2_format *f)  in vidioc_try_fmt_vid_out()  argument
566 	fmt = find_format(f);  in vidioc_try_fmt_vid_out()
568 		f->fmt.pix.pixelformat = formats[0].fourcc;  in vidioc_try_fmt_vid_out()
569 		fmt = find_format(f);  in vidioc_try_fmt_vid_out()
574 			 f->fmt.pix.pixelformat);  in vidioc_try_fmt_vid_out()
577 	if (!f->fmt.pix.colorspace)  in vidioc_try_fmt_vid_out()
578 		f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;  in vidioc_try_fmt_vid_out()
580 	return vidioc_try_fmt(f, fmt);  in vidioc_try_fmt_vid_out()
583 static int vidioc_s_fmt(struct vim2m_ctx *ctx, struct v4l2_format *f)  in vidioc_s_fmt()  argument
588 	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);  in vidioc_s_fmt()
592 	q_data = get_q_data(ctx, f->type);  in vidioc_s_fmt()
601 	q_data->fmt		= find_format(f);  in vidioc_s_fmt()
602 	q_data->width		= f->fmt.pix.width;  in vidioc_s_fmt()
603 	q_data->height		= f->fmt.pix.height;  in vidioc_s_fmt()
609 		f->type, q_data->width, q_data->height, q_data->fmt->fourcc);  in vidioc_s_fmt()
615 				struct v4l2_format *f)  in vidioc_s_fmt_vid_cap()  argument
619 	ret = vidioc_try_fmt_vid_cap(file, priv, f);  in vidioc_s_fmt_vid_cap()
623 	return vidioc_s_fmt(file2ctx(file), f);  in vidioc_s_fmt_vid_cap()
627 				struct v4l2_format *f)  in vidioc_s_fmt_vid_out()  argument
632 	ret = vidioc_try_fmt_vid_out(file, priv, f);  in vidioc_s_fmt_vid_out()
636 	ret = vidioc_s_fmt(file2ctx(file), f);  in vidioc_s_fmt_vid_out()
638 		ctx->colorspace = f->fmt.pix.colorspace;  in vidioc_s_fmt_vid_out()