From patchwork Sun Jul 5 12:11:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanimir Varbanov X-Patchwork-Id: 234830 Delivered-To: patch@linaro.org Received: by 2002:a92:d244:0:0:0:0:0 with SMTP id v4csp3932782ilg; Sun, 5 Jul 2020 05:12:22 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwgxDKf3nyqHY7On4nKSPjwXxIFvaSeDm9xx1FvTgQ8BDTEtUtuR3q5RsCo4OAxA/LvHeVb X-Received: by 2002:a17:906:d9d9:: with SMTP id qk25mr41649312ejb.448.1593951142374; Sun, 05 Jul 2020 05:12:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593951142; cv=none; d=google.com; s=arc-20160816; b=Dms6eDx2GisLxuCqd6fPPsO8nPl6POUhIfD6tu9oFbug22ZslvYdTM04QS4xzAOOPX Y2luzLnT3zP/mEQCzIdYF5HrfKUsYf1IsIiAY6+gYOwBHwafUaqe4uIsTS9w7EM5Q2Cc PvUPxEynIPuijN9d41ISAVAEJyILL9dSl79EvmMNhyrxDkMvCCwH7b1zR8Wwip3c2FfL AFbOiCWbLy+HTL5/mpZLrgdbuPLu+RjkUlvD6q0TbRnfWHqCEeaRBIwo/q5Ho6ouWmfA wkMvHK7k+QMqM71noKijoULO41dksWE77+Ph8LKbh3XXHpLsPRW0K3/XOzCTMstzv0+k xauQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature; bh=c3pGEpF7DAEXcC0pN3mSKCevTRzMwQB5I1tTMzDxF0M=; b=Q/nxqU9hmUULshPm8cdsUFK/gjWCmoh9GQDGnnpar1McCAvl+uYEsbQt2lXDC2U5Qx OQ1K7rYGBPRkIcf+v7BJcSfxfJFXGizHdlHbhrZNqikgIt2KIEVIV8zSLQLaAl0TJv3U vjNQHWezm0rHQcEZ4B0zTcdOEw+5UiE1zakogHnxbes59D8ZZbQods9N/KIlU92tvklM NixpZY8u5sOyHaVnqOQ0G70NCxkGz+PGrpv3HGYC/w9sBl1qCiSJNLeNj2FfUd/vYh+Q 5Bjr6VwbSYJ2eGXeYR6fKkN1qTZhMiVP8vKwzZKaaFnmqXvO7nXeUuO5psJW4bBnOqO3 s5Zg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=vbZMpbtL; spf=pass (google.com: domain of linux-media-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-media-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f1si10612706eje.610.2020.07.05.05.12.22; Sun, 05 Jul 2020 05:12:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-media-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=vbZMpbtL; spf=pass (google.com: domain of linux-media-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-media-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726961AbgGEMME (ORCPT + 4 others); Sun, 5 Jul 2020 08:12:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726933AbgGEMME (ORCPT ); Sun, 5 Jul 2020 08:12:04 -0400 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9546C08C5DF for ; Sun, 5 Jul 2020 05:12:03 -0700 (PDT) Received: by mail-ej1-x641.google.com with SMTP id n26so25598767ejx.0 for ; Sun, 05 Jul 2020 05:12:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=c3pGEpF7DAEXcC0pN3mSKCevTRzMwQB5I1tTMzDxF0M=; b=vbZMpbtLs7CMVmEYX3n7vzrtz2n0vXIVLeeIYUduO9/JCmDVzmpE694X79b/QX8vbk g79hDHalKGmtcUL12AUmRKvMKm1EBXLb1nyJH7sS/R7R/YunYkUlpLDWakrxNIHfvO6m EKYd5Rghwsgo34jU1V8Kk0yV/7jBrcc2tPGQupqn0K7yl83ucAPK/zzudLC2BH4e65tx X6O3YYZ4f1tloPGYPuULuSiNoZMYUuIBy6Osww1D0Bmx0lXeoKn9uByUILggLchm9IKF grffUmDqIbnH+zRGIG70MjEr5QUfwh2NgcV/iWw1zagwRdSt8ZqA9jRqThntJprFW5Ar nqwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=c3pGEpF7DAEXcC0pN3mSKCevTRzMwQB5I1tTMzDxF0M=; b=lj/i1jEprxzbVlcwEwomcMO6qoNCtEdHL9iLK6EdFA6kvF6B6NTJYAxf+7EKUtMH5v Z/64yo+fbrioWa8CXci13/Hv6cH/MlgBSWhDlJSAl/jPLVvegxz3qsUZ9ZuNJTSkl054 sPddEpc0HVjtnfePp1unfytuvtYNNZGZ7Eft/5CO5C5X2EVQgXyW7XnRtEsmTihDoGer QExpQlN+x2b4mlOdcF2kxI37sViXBSC86W1RivH52rBDcsOotH13Q5WXjqxW2FlyPP+8 b+gUngZGJ5//Ds8bcWTXEHF3bWsh1emTohSkcODGEFY3/GqdCV/+N8OlY9ARY1IDpqTi yhbg== X-Gm-Message-State: AOAM5333l0azaG/AHIY5wc3719DZdx0DUIzYHf0UOWKxAM6GR+7zMc6u pHNi5JOnhZZXBv9y9QL8ZTPY12Qn2EcZKA== X-Received: by 2002:a17:906:8316:: with SMTP id j22mr38504760ejx.97.1593951122243; Sun, 05 Jul 2020 05:12:02 -0700 (PDT) Received: from localhost.localdomain (212-5-158-133.ip.btc-net.bg. [212.5.158.133]) by smtp.gmail.com with ESMTPSA id j64sm1517458edd.61.2020.07.05.05.12.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Jul 2020 05:12:01 -0700 (PDT) From: Stanimir Varbanov To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Kyungmin Park , Kamil Debski , Jeongtae Park , Andrzej Hajda , Hans Verkuil , Maheshwar Ajja , Stanimir Varbanov Subject: [PATCH 1/4] media: v4l2-ctrl: Add frame-skip std encoder control Date: Sun, 5 Jul 2020 15:11:25 +0300 Message-Id: <20200705121128.5250-2-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200705121128.5250-1-stanimir.varbanov@linaro.org> References: <20200705121128.5250-1-stanimir.varbanov@linaro.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Adds encoders standard v4l2 control for frame-skip. The control is a copy of a custom encoder control so that other v4l2 encoder drivers can use it. Signed-off-by: Stanimir Varbanov --- .../media/v4l/ext-ctrls-codec.rst | 32 +++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls.c | 10 ++++++ include/uapi/linux/v4l2-controls.h | 6 ++++ 3 files changed, 48 insertions(+) -- 2.17.1 diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index d0d506a444b1..a8b4c0b40747 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -592,6 +592,38 @@ enum v4l2_mpeg_video_bitrate_mode - the average video bitrate. It is ignored if the video bitrate mode is set to constant bitrate. +``V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE (enum)`` + +enum v4l2_mpeg_video_frame_skip_mode - + Indicates in what conditions the encoder should skip frames. If + encoding a frame would cause the encoded stream to be larger then a + chosen data limit then the frame will be skipped. Possible values + are: + + +.. tabularcolumns:: |p{9.2cm}|p{8.3cm}| + +.. raw:: latex + + \small + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + * - ``V4L2_MPEG_FRAME_SKIP_MODE_DISABLED`` + - Frame skip mode is disabled. + * - ``V4L2_MPEG_FRAME_SKIP_MODE_LEVEL_LIMIT`` + - Frame skip mode enabled and buffer limit is set by the chosen + level and is defined by the standard. + * - ``V4L2_MPEG_FRAME_SKIP_MODE_BUF_LIMIT`` + - Frame skip mode enabled and buffer limit is set by the VBV + (MPEG1/2/4) or CPB (H264) buffer size control. + +.. raw:: latex + + \normalsize + ``V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (integer)`` For every captured frame, skip this many subsequent frames (default 0). diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 3f3fbcd60cc6..d088acfa6dd8 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -590,6 +590,12 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "External", NULL, }; + static const char * const mpeg_video_frame_skip[] = { + "Disabled", + "Level Limit", + "VBV/CPB Limit", + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -651,6 +657,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return flash_strobe_source; case V4L2_CID_MPEG_VIDEO_HEADER_MODE: return header_mode; + case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE: + return mpeg_video_frame_skip; case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE: return multi_slice; case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: @@ -844,6 +852,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE: return "H264 MB Level Rate Control"; case V4L2_CID_MPEG_VIDEO_HEADER_MODE: return "Sequence Header Mode"; case V4L2_CID_MPEG_VIDEO_MAX_REF_PIC: return "Max Number of Reference Pics"; + case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE: return "Frame Skip Mode"; case V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP: return "H263 I-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP: return "H263 P-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP: return "H263 B-Frame QP Value"; @@ -1265,6 +1274,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_FLASH_LED_MODE: case V4L2_CID_FLASH_STROBE_SOURCE: case V4L2_CID_MPEG_VIDEO_HEADER_MODE: + case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE: case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE: case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: case V4L2_CID_MPEG_VIDEO_H264_LEVEL: diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 62271418c1be..4e1526175a4c 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -742,6 +742,12 @@ enum v4l2_cid_mpeg_video_hevc_size_of_length_field { #define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L6_BR (V4L2_CID_MPEG_BASE + 642) #define V4L2_CID_MPEG_VIDEO_REF_NUMBER_FOR_PFRAMES (V4L2_CID_MPEG_BASE + 643) #define V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR (V4L2_CID_MPEG_BASE + 644) +#define V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE (V4L2_CID_MPEG_BASE + 645) +enum v4l2_mpeg_video_frame_skip_mode { + V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_DISABLED = 0, + V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_LEVEL_LIMIT = 1, + V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT = 2, +}; /* MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */ #define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000)