From patchwork Tue May 9 11:01:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Machek X-Patchwork-Id: 9717633 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id ACCE060364 for ; Tue, 9 May 2017 11:01:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9EBB620246 for ; Tue, 9 May 2017 11:01:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9116D27FAC; Tue, 9 May 2017 11:01:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8CDB720246 for ; Tue, 9 May 2017 11:01:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751554AbdEILB1 (ORCPT ); Tue, 9 May 2017 07:01:27 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:37057 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751210AbdEILB1 (ORCPT ); Tue, 9 May 2017 07:01:27 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 973FA81D29; Tue, 9 May 2017 13:01:25 +0200 (CEST) Date: Tue, 9 May 2017 13:01:25 +0200 From: Pavel Machek To: Hans Verkuil Cc: Ivaylo Dimitrov , Mauro Carvalho Chehab , pali.rohar@gmail.com, sre@kernel.org, Sakari Ailus , Sakari Ailus , linux-media@vger.kernel.org, hans.verkuil@cisco.com Subject: [patch, libv4l]: Add support for GRBG10 format conversion Message-ID: <20170509110125.GB28248@amd> References: <20170424093059.GA20427@amd> <20170424103802.00d3b554@vento.lan> <20170424212914.GA20780@amd> <20170424224724.5bb52382@vento.lan> <20170426105300.GA857@amd> <20170426081330.6ca10e42@vento.lan> <20170426132337.GA6482@amd> <20170508222819.GA14833@amd> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for GRBG10 format conversion. Signed-off-by: Pavel Machek diff --git a/lib/libv4lconvert/libv4lconvert.c b/lib/libv4lconvert/libv4lconvert.c index d3d8936..a7376b8 100644 --- a/lib/libv4lconvert/libv4lconvert.c +++ b/lib/libv4lconvert/libv4lconvert.c @@ -123,6 +123,7 @@ static const struct v4lconvert_pixfmt supported_src_pixfmts[] = { { V4L2_PIX_FMT_SGRBG8, 8, 8, 8, 1 }, { V4L2_PIX_FMT_SRGGB8, 8, 8, 8, 1 }, { V4L2_PIX_FMT_STV0680, 8, 8, 8, 1 }, + { V4L2_PIX_FMT_SGRBG10, 16, 8, 8, 1 }, /* compressed bayer */ { V4L2_PIX_FMT_SPCA561, 0, 9, 9, 1 }, { V4L2_PIX_FMT_SN9C10X, 0, 9, 9, 1 }, @@ -694,6 +695,16 @@ unsigned char *v4lconvert_alloc_buffer(int needed, return *buf; } +static void v4lconvert_10to8(void *_src, unsigned char *dst, int width, int height) +{ + int i; + uint16_t *src = _src; + + for (i=0; i> 2; + } +} + int v4lconvert_oom_error(struct v4lconvert_data *data) { V4LCONVERT_ERR("could not allocate memory\n"); @@ -867,7 +878,8 @@ static int v4lconvert_convert_pixfmt(struct v4lconvert_data *data, #endif case V4L2_PIX_FMT_SN9C2028: case V4L2_PIX_FMT_SQ905C: - case V4L2_PIX_FMT_STV0680: { /* Not compressed but needs some shuffling */ + case V4L2_PIX_FMT_STV0680: + case V4L2_PIX_FMT_SGRBG10: { /* Not compressed but needs some shuffling */ unsigned char *tmpbuf; struct v4l2_format tmpfmt = *fmt; @@ -877,6 +889,11 @@ static int v4lconvert_convert_pixfmt(struct v4lconvert_data *data, return v4lconvert_oom_error(data); switch (src_pix_fmt) { + case V4L2_PIX_FMT_SGRBG10: + v4lconvert_10to8(src, tmpbuf, width, height); + tmpfmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SGRBG8; + bytesperline = width; + break; case V4L2_PIX_FMT_SPCA561: v4lconvert_decode_spca561(src, tmpbuf, width, height); tmpfmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SGBRG8;