From patchwork Thu Aug 1 11:51:29 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda Delgado X-Patchwork-Id: 2836951 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1532B9F7D6 for ; Thu, 1 Aug 2013 11:51:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3718B20163 for ; Thu, 1 Aug 2013 11:51:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 039582015B for ; Thu, 1 Aug 2013 11:51:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754015Ab3HALvl (ORCPT ); Thu, 1 Aug 2013 07:51:41 -0400 Received: from mail-la0-f53.google.com ([209.85.215.53]:58001 "EHLO mail-la0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752934Ab3HALvk (ORCPT ); Thu, 1 Aug 2013 07:51:40 -0400 Received: by mail-la0-f53.google.com with SMTP id el20so1327296lab.26 for ; Thu, 01 Aug 2013 04:51:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer; bh=tVjF5HC7reMpa4Ga+rdwMYICMvEF3LS0FIwXTZ9x4Wc=; b=MpXm4KbTuK/2aXZCmdqCeEyyE+OxeSM4Z7QVSYUEfoHDKJqdNPcQ2Uo/AmsBZKnshE F4LYKfBe5TlyL84vLAShfIZrem96kSHRRA5q48lgC2W46YstTqHBL5BdUF9Kylof+1nd uv36LAuusXbhQb+GAd0hJcjbnTR2brNyJIpFNb1DSwf4adju7P5soRHh/ecU9dkBukW3 yuWz2dHvSk9cMB6G8KgVR7FoJi0b5kpRheLiYlvGpo8zcrLpWpjqsUFfUh+fuiqwB2Ni C0j7zYTyVggsCXj3X98XBq0xfYlgr4qMxo7+4yyp6xCMhTwPkGxkIUfLS3b3cr/KYYdZ F7Tg== X-Received: by 10.152.26.2 with SMTP id h2mr560488lag.52.1375357899180; Thu, 01 Aug 2013 04:51:39 -0700 (PDT) Received: from localhost (0x4dd4aed9.adsl.cybercity.dk. [77.212.174.217]) by mx.google.com with ESMTPSA id gh5sm1105485lbc.12.2013.08.01.04.51.37 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Thu, 01 Aug 2013 04:51:38 -0700 (PDT) From: Ricardo Ribalda Delgado To: hans.verkuil@cisco.com, gjasny@googlemail.com, linux-media@vger.kernel.org Cc: Ricardo Ribalda Delgado Subject: [PATCH] libv4lconvert: Support for Y16 pixel format Date: Thu, 1 Aug 2013 13:51:29 +0200 Message-Id: <1375357890-3665-1-git-send-email-ricardo.ribalda@gmail.com> X-Mailer: git-send-email 1.7.10.4 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds support for V4L2_PIX_FMT_Y16 format. Signed-off-by: Ricardo Ribalda Delgado --- lib/libv4lconvert/libv4lconvert.c | 19 +++++++++++++++++++ lib/libv4lconvert/rgbyuv.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) diff --git a/lib/libv4lconvert/libv4lconvert.c b/lib/libv4lconvert/libv4lconvert.c index 60010f1..bc5e34f 100644 --- a/lib/libv4lconvert/libv4lconvert.c +++ b/lib/libv4lconvert/libv4lconvert.c @@ -128,6 +128,7 @@ static const struct v4lconvert_pixfmt supported_src_pixfmts[] = { { V4L2_PIX_FMT_Y4, 8, 20, 20, 0 }, { V4L2_PIX_FMT_Y6, 8, 20, 20, 0 }, { V4L2_PIX_FMT_Y10BPACK, 10, 20, 20, 0 }, + { V4L2_PIX_FMT_Y16, 16, 20, 20, 0 }, }; static const struct v4lconvert_pixfmt supported_dst_pixfmts[] = { @@ -989,6 +990,24 @@ static int v4lconvert_convert_pixfmt(struct v4lconvert_data *data, break; } + case V4L2_PIX_FMT_Y16: + switch (dest_pix_fmt) { + case V4L2_PIX_FMT_RGB24: + case V4L2_PIX_FMT_BGR24: + v4lconvert_y16_to_rgb24(src, dest, width, height); + break; + case V4L2_PIX_FMT_YUV420: + case V4L2_PIX_FMT_YVU420: + v4lconvert_y16_to_yuv420(src, dest, fmt); + break; + } + if (src_size < (width * height * 2)) { + V4LCONVERT_ERR("short y16 data frame\n"); + errno = EPIPE; + result = -1; + } + break; + case V4L2_PIX_FMT_GREY: case V4L2_PIX_FMT_Y4: case V4L2_PIX_FMT_Y6: diff --git a/lib/libv4lconvert/rgbyuv.c b/lib/libv4lconvert/rgbyuv.c index d05abe9..bef034f 100644 --- a/lib/libv4lconvert/rgbyuv.c +++ b/lib/libv4lconvert/rgbyuv.c @@ -586,6 +586,36 @@ void v4lconvert_rgb565_to_yuv420(const unsigned char *src, unsigned char *dest, } } +void v4lconvert_y16_to_rgb24(const unsigned char *src, unsigned char *dest, + int width, int height) +{ + int j; + while (--height >= 0) { + for (j = 0; j < width; j++) { + *dest++ = *src; + *dest++ = *src; + *dest++ = *src; + src+=2; + } + } +} + +void v4lconvert_y16_to_yuv420(const unsigned char *src, unsigned char *dest, + const struct v4l2_format *src_fmt) +{ + int x, y; + + /* Y */ + for (y = 0; y < src_fmt->fmt.pix.height; y++) + for (x = 0; x < src_fmt->fmt.pix.width; x++){ + *dest++ = *src; + src+=2; + } + + /* Clear U/V */ + memset(dest, 0x80, src_fmt->fmt.pix.width * src_fmt->fmt.pix.height / 2); +} + void v4lconvert_grey_to_rgb24(const unsigned char *src, unsigned char *dest, int width, int height) {