From patchwork Wed Jan 29 19:54:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 11356729 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 C3D1A159A for ; Wed, 29 Jan 2020 19:55:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A28622067C for ; Wed, 29 Jan 2020 19:55:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dFtcphov" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A28622067C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=uKlhTjSau2+rPKAfCL/TkmBwpKthbEU0ALjayQIXU9Q=; b=dFtcphovbpX4An fyzkOEnUDmzKzlhOo7hXH+BBUxxFK6pSLw65+UU7JylTSiZTXK5dYMGoauC4LpV2rvyLuPbfZPjF4 FyPFT5TO26IfGgb5/RFTKFL96JBsYrbxn+TmhHXKARFeq8LkriQpKzxz1Go+nzFcaoYfy4TGoIYZb nTADuHfHZmG9DwGaciAe0F6xrJRKkxGHFqaxJlRcaIRF/lw2Lk/KryIp70JHX5/43Vcjl9iXQqapA mOH/CzESqhReHWD0a1p9cLpUuxfolV0ysAQRh4CHKlya7C/ASQgCKN64dsobGJlIMJWXWFO8ArRaE Fc+lA2WtLvR0hgvAICqQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iwtQq-0004Km-DB; Wed, 29 Jan 2020 19:55:24 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iwtQn-0004J8-Eq for linux-rockchip@lists.infradead.org; Wed, 29 Jan 2020 19:55:23 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id 3F52D294ADE From: Ezequiel Garcia To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/6] media: uapi: h264: Add DPB entry field reference flags Date: Wed, 29 Jan 2020 16:54:56 -0300 Message-Id: <20200129195501.8317-2-ezequiel@collabora.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200129195501.8317-1-ezequiel@collabora.com> References: <20200129195501.8317-1-ezequiel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200129_115521_757896_E3F2A84F X-CRM114-Status: GOOD ( 11.26 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hans Verkuil , Tomasz Figa , Heiko Stuebner , Jonas Karlman , Nicolas Dufresne , Paul Kocialkowski , Rob Herring , Sakari Ailus , Laurent Pinchart , Boris Brezillon , kernel@collabora.com, Ezequiel Garcia Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org From: Jonas Karlman Using the field information attached to v4l2 buffers is not enough to determine the type of field referenced by a DPB entry: the decoded frame might contain the full picture (both top and bottom fields) but the reference only point to one of them. Let's add new V4L2_H264_DPB_ENTRY_FLAG_ flags to express that. Signed-off-by: Jonas Karlman [Keep only 2 flags and add some details about they mean] Signed-off-by: Boris Brezillon Signed-off-by: Ezequiel Garcia --- v4: * None v3: * This patch was previously part of https://lkml.org/lkml/2019/10/28/956 * Kept the FIELD and BOTTOM_FIELD flags * Updated the doc with more details --- Documentation/media/uapi/v4l/ext-ctrls-codec.rst | 16 ++++++++++++++++ include/media/h264-ctrls.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst index 28313c0f4e7c..d4fc5f25aa14 100644 --- a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst +++ b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst @@ -2028,6 +2028,22 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type - * - ``V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM`` - 0x00000004 - The DPB entry is a long term reference frame + * - ``V4L2_H264_DPB_ENTRY_FLAG_FIELD`` + - 0x00000008 + - The DPB entry is a field reference, which means only one of the field + will be used when decoding the new frame/field. When not set the DPB + entry is a frame reference (both fields will be used). Note that this + flag does not say anything about the number of fields contained in the + reference frame, it just describes the one used to decode the new + field/frame + * - ``V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD`` + - 0x00000010 + - The DPB entry is a bottom field reference (only the bottom field of the + reference frame is needed to decode the new frame/field). Only valid if + V4L2_H264_DPB_ENTRY_FLAG_FIELD is set. When + V4L2_H264_DPB_ENTRY_FLAG_FIELD is set but + V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD is not, that means the + DPB entry is a top field reference ``V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE (enum)`` Specifies the decoding mode to use. Currently exposes slice-based and diff --git a/include/media/h264-ctrls.h b/include/media/h264-ctrls.h index e877bf1d537c..1c6ff7d63bca 100644 --- a/include/media/h264-ctrls.h +++ b/include/media/h264-ctrls.h @@ -185,6 +185,8 @@ struct v4l2_ctrl_h264_slice_params { #define V4L2_H264_DPB_ENTRY_FLAG_VALID 0x01 #define V4L2_H264_DPB_ENTRY_FLAG_ACTIVE 0x02 #define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x04 +#define V4L2_H264_DPB_ENTRY_FLAG_FIELD 0x08 +#define V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD 0x10 struct v4l2_h264_dpb_entry { __u64 reference_ts;