From patchwork Tue Jan 8 17:13:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 10752579 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3B6836C5 for ; Tue, 8 Jan 2019 17:13:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2BC8628F4A for ; Tue, 8 Jan 2019 17:13:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1FA5028F78; Tue, 8 Jan 2019 17:13:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9CD1728F4A for ; Tue, 8 Jan 2019 17:13:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728402AbfAHRNW (ORCPT ); Tue, 8 Jan 2019 12:13:22 -0500 Received: from metis.ext.pengutronix.de ([85.220.165.71]:35949 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727677AbfAHRNW (ORCPT ); Tue, 8 Jan 2019 12:13:22 -0500 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.89) (envelope-from ) id 1gguwK-0004Yr-E0; Tue, 08 Jan 2019 18:13:20 +0100 From: Philipp Zabel To: linux-media@vger.kernel.org Cc: Hans Verkuil , Mauro Carvalho Chehab Subject: [PATCH 1/4] media: v4l2-ctrl: Add control to enable h.264 constrained intra prediction Date: Tue, 8 Jan 2019 18:13:10 +0100 Message-Id: <20190108171313.1750-1-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Allow to enable h.264 constrained intra prediction (macroblocks using intra prediction modes are not allowed to use residual data and decoded samples of neighboring macroblocks coded using inter prediction modes). This control directly corresponds to the constrained_intra_pred_flag field in the h.264 picture parameter set. Signed-off-by: Philipp Zabel --- Documentation/media/uapi/v4l/extended-controls.rst | 4 ++++ drivers/media/v4l2-core/v4l2-ctrls.c | 2 ++ include/uapi/linux/v4l2-controls.h | 1 + 3 files changed, 7 insertions(+) diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst index af4273aa5e85..235d0c293983 100644 --- a/Documentation/media/uapi/v4l/extended-controls.rst +++ b/Documentation/media/uapi/v4l/extended-controls.rst @@ -1154,6 +1154,10 @@ enum v4l2_mpeg_video_h264_entropy_mode - ``V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM (boolean)`` Enable 8X8 transform for H264. Applicable to the H264 encoder. +``V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION (boolean)`` + Enable constrained intra prediction for H264. Applicable to the H264 + encoder. + ``V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB (integer)`` Cyclic intra macroblock refresh. This is the number of continuous macroblocks refreshed every frame. Each frame a successive set of diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index e3bd441fa29a..1f2fd279f37d 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -825,6 +825,8 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER:return "H264 Number of HC Layers"; case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP: return "H264 Set QP Value for HC Layers"; + case V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION: + return "H264 Constrained Intra Prediction"; case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: return "MPEG4 I-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: return "MPEG4 P-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP: return "MPEG4 B-Frame QP Value"; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 3dcfc6148f99..fd65c710b144 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -533,6 +533,7 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type { }; #define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER (V4L2_CID_MPEG_BASE+381) #define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP (V4L2_CID_MPEG_BASE+382) +#define V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION (V4L2_CID_MPEG_BASE+383) #define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_MPEG_BASE+400) #define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_MPEG_BASE+401) #define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_MPEG_BASE+402)