From patchwork Tue Aug 25 03:52:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 11734779 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D9284138A for ; Tue, 25 Aug 2020 03:53:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB761207FB for ; Tue, 25 Aug 2020 03:53:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728644AbgHYDxM (ORCPT ); Mon, 24 Aug 2020 23:53:12 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:52898 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728068AbgHYDxK (ORCPT ); Mon, 24 Aug 2020 23:53:10 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id D1C40298CBD From: Ezequiel Garcia To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Tomasz Figa , kernel@collabora.com, Jonas Karlman , Hans Verkuil , Alexandre Courbot , Jeffrey Kardatzke , Nicolas Dufresne , Philipp Zabel , Maxime Ripard , Paul Kocialkowski , Jernej Skrabec , Ezequiel Garcia Subject: [PATCH v4 02/19] media: uapi: h264: Further clarify scaling lists order Date: Tue, 25 Aug 2020 00:52:28 -0300 Message-Id: <20200825035245.594982-3-ezequiel@collabora.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200825035245.594982-1-ezequiel@collabora.com> References: <20200825035245.594982-1-ezequiel@collabora.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Commit 0b0393d59eb4a ("media: uapi: h264: clarify expected scaling_list_4x4/8x8 order") improved the documentation on H264 scaling lists order. This commit improves the documentation by clarifying that the lists themselves are expected in raster scan order. Signed-off-by: Ezequiel Garcia Tested-by: Jonas Karlman --- v2: * Use "raster scan order" instead of "matrix order" --- Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index df1c4fc5cb48..2cce412f5be1 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -1725,12 +1725,14 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type - - ``scaling_list_4x4[6][16]`` - Scaling matrix after applying the inverse scanning process. Expected list order is Intra Y, Intra Cb, Intra Cr, Inter Y, - Inter Cb, Inter Cr. + Inter Cb, Inter Cr. The values on each scaling list are + expected in raster scan order. * - __u8 - ``scaling_list_8x8[6][64]`` - Scaling matrix after applying the inverse scanning process. Expected list order is Intra Y, Inter Y, Intra Cb, Inter Cb, - Intra Cr, Inter Cr. + Intra Cr, Inter Cr. The values on each scaling list are + expected in raster scan order. ``V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS (struct)`` Specifies the slice parameters (as extracted from the bitstream)