From patchwork Wed Jun 2 09:47:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanimir Varbanov X-Patchwork-Id: 12293585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66003C47093 for ; Wed, 2 Jun 2021 09:47:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52BCF61363 for ; Wed, 2 Jun 2021 09:47:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232270AbhFBJtd (ORCPT ); Wed, 2 Jun 2021 05:49:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232303AbhFBJtM (ORCPT ); Wed, 2 Jun 2021 05:49:12 -0400 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F573C061761 for ; Wed, 2 Jun 2021 02:47:29 -0700 (PDT) Received: by mail-ej1-x634.google.com with SMTP id jt22so2916263ejb.7 for ; Wed, 02 Jun 2021 02:47:29 -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 :mime-version:content-transfer-encoding; bh=zH7lA6Cr+wpWCWC/PirgaqY3xGbxUDhMzBZE+tSDOkw=; b=Jh7HJ2aYoQMVHQnt5M5ybt+e4WCjzsXrIgIaR84P0mOlzCnmx2Y5B5QnKwCo0Bcz47 PkMt68nFtdXxt5vIB1asdssZS6As/1WPySXmwfMBelTuA29/S+CCmpHqup5f+h+f2He1 MASceVPCxYm00I25AVr+HW6KqwrU8i/WpvF+xikveRXTMPvvFuoIu8ldH6uJi8uIbXfP ZFfGvj36/2FImqNLHGmdlIwuibc+uah9twkmO4VlsuXe33dH0nFihosX7w+3pkXe0PKX DkuBdG0UbvpThqWbKXMCeXsPX6R7qxu0Bf6dpPLUcMJ5YHAESYAbRsCIQHTY3HtHAFEN C3nw== 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:mime-version:content-transfer-encoding; bh=zH7lA6Cr+wpWCWC/PirgaqY3xGbxUDhMzBZE+tSDOkw=; b=hwmaBqcZK/ssOE517RNJtGxeuPztiNw3HATvYapeREsGl3qnlxU1LrkHPm3VKfSoJl c3INGf142iqz57IFCXgMLjlFFNlZswTFPUdxEaEiVIqWmRD9+qL6KA4/Rcuk1s4PRxd2 4Wd8WimFRKkji3VCNNNLQLVNXMCxyOFqkk7sgXBGt7yU3e4N5xqS65IChVrCkoZMVkEm iYnWMPXHjkG40zzU8yi3hayFd3HEJlaA+6pKMaEeWlLY3GVaDh+z9JmuZNueR1ymQ+Ll HqNB+nQHPL8gD6U1jaWtd2cfLhAcIXX0SvfEupGwfKXsZ+J2yNDh2OHFbvHoythARQUI VA2g== X-Gm-Message-State: AOAM532KG5GDclu5zgcamZJZJlxNySveA0fIJz4DL8bhqmyc8oTr2u7N MkQ5tX5RpLrM1Rs3EGPXIumOzdNIDk2fiKWX X-Google-Smtp-Source: ABdhPJz7KBjGtMR1gFzhggjgGMkmg8EafT0pb5nMcHxTSWfL8ZGshrdXaAnP1myyK5UDCEGQkyXObg== X-Received: by 2002:a17:906:2b85:: with SMTP id m5mr34214365ejg.141.1622627247351; Wed, 02 Jun 2021 02:47:27 -0700 (PDT) Received: from localhost.localdomain (hst-221-100.medicom.bg. [84.238.221.100]) by smtp.gmail.com with ESMTPSA id q18sm945138edd.3.2021.06.02.02.47.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 02:47:27 -0700 (PDT) From: Stanimir Varbanov To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: Ezequiel Garcia , nicolas.dufresne@collabora.com, Hans Verkuil , Stanimir Varbanov Subject: [PATCH v4 1/2] media: v4l2-ctrls: Add intra-refresh period control Date: Wed, 2 Jun 2021 12:47:13 +0300 Message-Id: <20210602094714.607828-2-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210602094714.607828-1-stanimir.varbanov@linaro.org> References: <20210602094714.607828-1-stanimir.varbanov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add a control to set intra-refresh period. Signed-off-by: Stanimir Varbanov --- .../media/v4l/ext-ctrls-codec.rst | 18 +++++++++++++++++- drivers/media/v4l2-core/v4l2-ctrls-defs.c | 2 ++ include/uapi/linux/v4l2-controls.h | 1 + 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 0b8061666c57..803fb655af1c 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -1174,7 +1174,23 @@ enum v4l2_mpeg_video_h264_entropy_mode - Cyclic intra macroblock refresh. This is the number of continuous macroblocks refreshed every frame. Each frame a successive set of macroblocks is refreshed until the cycle completes and starts from - the top of the frame. Applicable to H264, H263 and MPEG4 encoder. + the top of the frame. Note that intra-refresh period is + mutually exclusive with V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD + control, aka the client must set this one or the other but not both. + Applicable to H264, H263 and MPEG4 encoder. + +``V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD (integer)`` + Intra macroblock refresh period. This sets the period to refresh + the whole frame. In other words, this defines the number of frames + for which the whole frame will be intra-refreshed. An example: + setting period to 1 means that the whole frame will be refreshed, + setting period to 2 means that the half of macroblocks will be + intra-refreshed on frameX and the other half of macroblocks + will be refreshed in frameX + 1 and so on. Setting period to zero + means no period is specified. Note that intra-refresh period is + mutually exclusive with V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB + control, aka the client must set this one or the other but not both. + Applicable to H264 and HEVC encoders. ``V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (boolean)`` Frame level rate control enable. If this control is disabled then diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index 7963c7b43450..3d73c28bafa7 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -833,6 +833,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: return "Decoder Slice Interface"; case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: return "MPEG4 Loop Filter Enable"; case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB: return "Number of Intra Refresh MBs"; + case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD: return "Intra Refresh Period"; case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE: return "Frame Level Rate Control Enable"; 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"; @@ -1257,6 +1258,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE: case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE: case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY: + case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD: *type = V4L2_CTRL_TYPE_INTEGER; break; case V4L2_CID_MPEG_VIDEO_LTR_COUNT: diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index f96bea19c991..a34a18ec7f69 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -434,6 +434,7 @@ enum v4l2_mpeg_video_multi_slice_mode { #define V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (V4L2_CID_CODEC_BASE+233) #define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (V4L2_CID_CODEC_BASE+234) #define V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR (V4L2_CID_CODEC_BASE+235) +#define V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD (V4L2_CID_CODEC_BASE+236) /* CIDs for the MPEG-2 Part 2 (H.262) codec */ #define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_CODEC_BASE+270)