179 static struct emmaprp_fmt *find_format(struct v4l2_format *f)  in find_format()  argument
186 		if (fmt->fourcc == f->fmt.pix.pixelformat)  in find_format()
386 static int enum_fmt(struct v4l2_fmtdesc *f, u32 type)  in enum_fmt()  argument
396 			if (num == f->index)  in enum_fmt()
407 		f->pixelformat = fmt->fourcc;  in enum_fmt()
416 				   struct v4l2_fmtdesc *f)  in vidioc_enum_fmt_vid_cap()  argument
418 	return enum_fmt(f, MEM2MEM_CAPTURE);  in vidioc_enum_fmt_vid_cap()
422 				   struct v4l2_fmtdesc *f)  in vidioc_enum_fmt_vid_out()  argument
424 	return enum_fmt(f, MEM2MEM_OUTPUT);  in vidioc_enum_fmt_vid_out()
427 static int vidioc_g_fmt(struct emmaprp_ctx *ctx, struct v4l2_format *f)  in vidioc_g_fmt()  argument
432 	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);  in vidioc_g_fmt()
436 	q_data = get_q_data(ctx, f->type);  in vidioc_g_fmt()
438 	f->fmt.pix.width	= q_data->width;  in vidioc_g_fmt()
439 	f->fmt.pix.height	= q_data->height;  in vidioc_g_fmt()
440 	f->fmt.pix.field	= V4L2_FIELD_NONE;  in vidioc_g_fmt()
441 	f->fmt.pix.pixelformat	= q_data->fmt->fourcc;  in vidioc_g_fmt()
442 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420)  in vidioc_g_fmt()
443 		f->fmt.pix.bytesperline = q_data->width * 3 / 2;  in vidioc_g_fmt()
445 		f->fmt.pix.bytesperline = q_data->width * 2;  in vidioc_g_fmt()
446 	f->fmt.pix.sizeimage	= q_data->sizeimage;  in vidioc_g_fmt()
452 				struct v4l2_format *f)  in vidioc_g_fmt_vid_out()  argument
454 	return vidioc_g_fmt(priv, f);  in vidioc_g_fmt_vid_out()
458 				struct v4l2_format *f)  in vidioc_g_fmt_vid_cap()  argument
460 	return vidioc_g_fmt(priv, f);  in vidioc_g_fmt_vid_cap()
463 static int vidioc_try_fmt(struct v4l2_format *f)  in vidioc_try_fmt()  argument
468 	if (!find_format(f))  in vidioc_try_fmt()
471 	field = f->fmt.pix.field;  in vidioc_try_fmt()
479 	f->fmt.pix.field = field;  in vidioc_try_fmt()
481 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) {  in vidioc_try_fmt()
482 		v4l_bound_align_image(&f->fmt.pix.width, MIN_W, MAX_W,  in vidioc_try_fmt()
483 				      W_ALIGN_YUV420, &f->fmt.pix.height,  in vidioc_try_fmt()
485 		f->fmt.pix.bytesperline = f->fmt.pix.width * 3 / 2;  in vidioc_try_fmt()
487 		v4l_bound_align_image(&f->fmt.pix.width, MIN_W, MAX_W,  in vidioc_try_fmt()
488 				      W_ALIGN_OTHERS, &f->fmt.pix.height,  in vidioc_try_fmt()
490 		f->fmt.pix.bytesperline = f->fmt.pix.width * 2;  in vidioc_try_fmt()
492 	f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;  in vidioc_try_fmt()
498 				  struct v4l2_format *f)  in vidioc_try_fmt_vid_cap()  argument
503 	fmt = find_format(f);  in vidioc_try_fmt_vid_cap()
507 			 f->fmt.pix.pixelformat);  in vidioc_try_fmt_vid_cap()
511 	return vidioc_try_fmt(f);  in vidioc_try_fmt_vid_cap()
515 				  struct v4l2_format *f)  in vidioc_try_fmt_vid_out()  argument
520 	fmt = find_format(f);  in vidioc_try_fmt_vid_out()
524 			 f->fmt.pix.pixelformat);  in vidioc_try_fmt_vid_out()
528 	return vidioc_try_fmt(f);  in vidioc_try_fmt_vid_out()
531 static int vidioc_s_fmt(struct emmaprp_ctx *ctx, struct v4l2_format *f)  in vidioc_s_fmt()  argument
537 	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);  in vidioc_s_fmt()
541 	q_data = get_q_data(ctx, f->type);  in vidioc_s_fmt()
550 	ret = vidioc_try_fmt(f);  in vidioc_s_fmt()
554 	q_data->fmt		= find_format(f);  in vidioc_s_fmt()
555 	q_data->width		= f->fmt.pix.width;  in vidioc_s_fmt()
556 	q_data->height		= f->fmt.pix.height;  in vidioc_s_fmt()
564 		f->type, q_data->width, q_data->height, q_data->fmt->fourcc);  in vidioc_s_fmt()
570 				struct v4l2_format *f)  in vidioc_s_fmt_vid_cap()  argument
574 	ret = vidioc_try_fmt_vid_cap(file, priv, f);  in vidioc_s_fmt_vid_cap()
578 	return vidioc_s_fmt(priv, f);  in vidioc_s_fmt_vid_cap()
582 				struct v4l2_format *f)  in vidioc_s_fmt_vid_out()  argument
586 	ret = vidioc_try_fmt_vid_out(file, priv, f);  in vidioc_s_fmt_vid_out()
590 	return vidioc_s_fmt(priv, f);  in vidioc_s_fmt_vid_out()