From mboxrd@z Thu Jan 1 00:00:00 1970 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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no 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 BBE1EC433E0 for ; Fri, 26 Jun 2020 17:12:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C3D1207E8 for ; Fri, 26 Jun 2020 17:12:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728370AbgFZRMY (ORCPT ); Fri, 26 Jun 2020 13:12:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726703AbgFZRMY (ORCPT ); Fri, 26 Jun 2020 13:12:24 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF2A1C03E979; Fri, 26 Jun 2020 10:12:23 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id 9AC972A5D20 From: Ezequiel Garcia To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org Cc: Hans Verkuil , Philipp Zabel , Jonas Karlman , Nicolas Dufresne , Ezequiel Garcia , kernel@collabora.com Subject: [PATCH 0/2] media: hantro/rkvdec handle unsupported H.264 bitstreams Date: Fri, 26 Jun 2020 14:11:28 -0300 Message-Id: <20200626171130.27346-1-ezequiel@collabora.com> X-Mailer: git-send-email 2.26.0.rc2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, Small patchset to add a check at TRY_EXT_CTRLS time, via the H264 SPS control and reject unsupported bitstreams. Properly refusing to decode unsupported bitstreams allows applications to cleanly fallback to software decoding. Note that Rockchip VDEC hardware is capable of decoding High-10 and High-422 bitstreams. This needs more work, so for now they are refused. The same approach can be use on Cedrus, but since I'm not very familiar there, I'll leave that to others. Applies on top of media master. Ezequiel Garcia (2): rkvdec: h264: Refuse to decode unsupported bitstream hantro: h264: Refuse to decode unsupported bitstream drivers/staging/media/hantro/hantro_drv.c | 29 ++++++++++++++++++++--- drivers/staging/media/rkvdec/rkvdec.c | 27 +++++++++++++++++++++ 2 files changed, 53 insertions(+), 3 deletions(-) -- 2.26.0.rc2