From patchwork Tue Aug 25 03:52:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 256019 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, 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 30A47C433E1 for ; Tue, 25 Aug 2020 03:54:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A882207FB for ; Tue, 25 Aug 2020 03:54:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728804AbgHYDyY (ORCPT ); Mon, 24 Aug 2020 23:54:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46498 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728197AbgHYDyX (ORCPT ); Mon, 24 Aug 2020 23:54:23 -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 5630BC061574; Mon, 24 Aug 2020 20:54:23 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id BBCD9298D7E From: Ezequiel Garcia To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Tomasz Figa , kernel@collabora.com, Jonas Karlman , Hans Verkuil , Alexandre Courbot , Jeffrey Kardatzke , Nicolas Dufresne , Philipp Zabel , Maxime Ripard , Paul Kocialkowski , Jernej Skrabec Subject: [PATCH v4 15/19] media: cedrus: h264: Fix frame list construction Date: Tue, 25 Aug 2020 00:52:41 -0300 Message-Id: <20200825035245.594982-16-ezequiel@collabora.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200825035245.594982-1-ezequiel@collabora.com> References: <20200825035245.594982-1-ezequiel@collabora.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Jernej Skrabec Current frame list construction algorithm assumes that decoded image will be output into its own buffer. That is true for progressive content but not for interlaced where each field is decoded separately into same buffer. Fix that by checking if capture buffer is listed in DPB. If it is, reuse it. Signed-off-by: Jernej Skrabec --- drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c index 1e89a8438f36..fe041b444385 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c @@ -101,7 +101,7 @@ static void cedrus_write_frame_list(struct cedrus_ctx *ctx, struct cedrus_dev *dev = ctx->dev; unsigned long used_dpbs = 0; unsigned int position; - unsigned int output = 0; + int output = -1; unsigned int i; cap_q = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); @@ -124,6 +124,11 @@ static void cedrus_write_frame_list(struct cedrus_ctx *ctx, position = cedrus_buf->codec.h264.position; used_dpbs |= BIT(position); + if (run->dst->vb2_buf.timestamp == dpb->reference_ts) { + output = position; + continue; + } + if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) continue; @@ -131,13 +136,11 @@ static void cedrus_write_frame_list(struct cedrus_ctx *ctx, dpb->top_field_order_cnt, dpb->bottom_field_order_cnt, &pic_list[position]); - - output = max(position, output); } - position = find_next_zero_bit(&used_dpbs, CEDRUS_H264_FRAME_NUM, - output); - if (position >= CEDRUS_H264_FRAME_NUM) + if (output >= 0) + position = output; + else position = find_first_zero_bit(&used_dpbs, CEDRUS_H264_FRAME_NUM); output_buf = vb2_to_cedrus_buffer(&run->dst->vb2_buf);