From patchwork Wed Feb 1 16:11:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 649504 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4161C05027 for ; Wed, 1 Feb 2023 16:12:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233002AbjBAQMS (ORCPT ); Wed, 1 Feb 2023 11:12:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232394AbjBAQMJ (ORCPT ); Wed, 1 Feb 2023 11:12:09 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCD60761C8 for ; Wed, 1 Feb 2023 08:12:07 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 8B64EB8217E for ; Wed, 1 Feb 2023 16:12:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D00EC433D2; Wed, 1 Feb 2023 16:12:04 +0000 (UTC) From: Hans Verkuil To: linux-media@vger.kernel.org Cc: Andy Walls , Hans Verkuil Subject: [PATCH 8/8] cx18: fix format compliance issues Date: Wed, 1 Feb 2023 17:11:53 +0100 Message-Id: <20230201161153.883376-9-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230201161153.883376-1-hverkuil-cisco@xs4all.nl> References: <20230201161153.883376-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Hans Verkuil This properly fills in all the format fields and calculates the width and height correctly. Esp. the minimum width and height was wrong. When changing the standard the width and height also have to be reset to the corresponding default width/height for the chosen standard. Signed-off-by: Hans Verkuil --- drivers/media/pci/cx18/cx18-ioctl.c | 65 ++++++++++++++++++----------- 1 file changed, 40 insertions(+), 25 deletions(-) diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c index 7403980e4ce1..95db1a03c466 100644 --- a/drivers/media/pci/cx18/cx18-ioctl.c +++ b/drivers/media/pci/cx18/cx18-ioctl.c @@ -78,29 +78,41 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh, { struct cx18_open_id *id = fh2id(fh); struct cx18 *cx = id->cx; - int w = fmt->fmt.pix.width; - int h = fmt->fmt.pix.height; - int min_h = 2; + struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; + int w = pixfmt->width; + int h = pixfmt->height; w = min(w, 720); - w = max(w, 2); + w = max(w, 720 / 16); + + h = min(h, cx->is_50hz ? 576 : 480); + h = max(h, (cx->is_50hz ? 576 : 480) / 8); if (id->type == CX18_ENC_STREAM_TYPE_YUV) { - if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_NV12_16L16 && - fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) - fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; + if (pixfmt->pixelformat != V4L2_PIX_FMT_NV12_16L16 && + pixfmt->pixelformat != V4L2_PIX_FMT_UYVY) + pixfmt->pixelformat = V4L2_PIX_FMT_UYVY; /* YUV height must be a multiple of 32 */ - h &= ~0x1f; - min_h = 32; + h = round_up(h, 32); + /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) + UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ + if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12_16L16) { + pixfmt->sizeimage = h * 720 * 3 / 2; + pixfmt->bytesperline = 720; /* First plane */ + } else { + pixfmt->sizeimage = h * 720 * 2; + pixfmt->bytesperline = 1440; /* Packed */ + } } else { - fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + pixfmt->pixelformat = V4L2_PIX_FMT_MPEG; + pixfmt->sizeimage = 128 * 1024; + pixfmt->bytesperline = 0; } - h = min(h, cx->is_50hz ? 576 : 480); - h = max(h, min_h); - - fmt->fmt.pix.width = w; - fmt->fmt.pix.height = h; + pixfmt->width = w; + pixfmt->height = h; + pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M; + pixfmt->field = V4L2_FIELD_INTERLACED; return 0; } @@ -130,15 +142,8 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh, return -EBUSY; s->pixelformat = fmt->fmt.pix.pixelformat; - /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) - UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ - if (s->pixelformat == V4L2_PIX_FMT_NV12_16L16) { - s->vb_bytes_per_frame = h * 720 * 3 / 2; - s->vb_bytes_per_line = 720; /* First plane */ - } else { - s->vb_bytes_per_frame = h * 720 * 2; - s->vb_bytes_per_line = 1440; /* Packed */ - } + s->vb_bytes_per_frame = fmt->fmt.pix.sizeimage; + s->vb_bytes_per_line = fmt->fmt.pix.bytesperline; format.format.width = cx->cxhdl.width = w; format.format.height = cx->cxhdl.height = h; @@ -251,7 +256,6 @@ u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt) return set; } - static int cx18_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { @@ -612,6 +616,17 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id std) cx2341x_handler_set_50hz(&cx->cxhdl, cx->is_50hz); cx->cxhdl.width = 720; cx->cxhdl.height = cx->is_50hz ? 576 : 480; + /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) + UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ + if (cx->streams[CX18_ENC_STREAM_TYPE_YUV].pixelformat == V4L2_PIX_FMT_NV12_16L16) { + cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_frame = + cx->cxhdl.height * 720 * 3 / 2; + cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_line = 720; + } else { + cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_frame = + cx->cxhdl.height * 720 * 2; + cx->streams[CX18_ENC_STREAM_TYPE_YUV].vb_bytes_per_line = 1440; + } cx->vbi.count = cx->is_50hz ? 18 : 12; cx->vbi.start[0] = cx->is_50hz ? 6 : 10; cx->vbi.start[1] = cx->is_50hz ? 318 : 273;