From patchwork Fri May 13 20:29:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Dufresne X-Patchwork-Id: 12849393 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12F81C433FE for ; Fri, 13 May 2022 20:30:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384410AbiEMUaX (ORCPT ); Fri, 13 May 2022 16:30:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1384339AbiEMUaA (ORCPT ); Fri, 13 May 2022 16:30:00 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02D2378FE3; Fri, 13 May 2022 13:29:42 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nicolas) with ESMTPSA id 87DCB1F46483 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652473779; bh=klo+1mnjtIffOlX4qRd4PUUXiirFqeO06vggz4DyHow=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dqHtnL82tfwPBe2S4t+YexEQPyjDQpjNExg5SwRCFZlJ90oQsE1Uhcj9BLKN91MO2 jUgG54pRowhTWJnDk3w9Dn/yoI/9Ron2yeS389lUf7FDs9aXT5ZGlek/anCyfX2jhF z2nmQbcjzL228Hdw3DYaEc1rICZTURyENbPcfI91xy0an0hMoC/Kb3DObZcJEjnf1q wgYklu39loZb9ZKWsmaAlLEqAbRrNLh6q0RDKnPvdZReWikGSXI8cHfwzp6QDA1ywQ Mfy/hXIHl/W1p1oNYaEvVNBUqoarwN9mfu6zUNYTzeetpqcLTAJHQYR8MLjf/va9e7 lTEHgM2MTQkig== From: Nicolas Dufresne To: Dmitry Osipenko , Mauro Carvalho Chehab , Thierry Reding , Jonathan Hunter Cc: nicolas@ndufresne.ca, linux-media@vger.kernel.org, Sebastian Fricke , Hans Verkuil , linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 04/20] media: h264: Store all fields into the unordered list Date: Fri, 13 May 2022 16:29:06 -0400 Message-Id: <20220513202922.13846-5-nicolas.dufresne@collabora.com> X-Mailer: git-send-email 2.34.3 In-Reply-To: <20220513202922.13846-1-nicolas.dufresne@collabora.com> References: <20220513202922.13846-1-nicolas.dufresne@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org When the current picture is a field, store each field into the unordered_list and preserve both top and bottom picture order count. Signed-off-by: Nicolas Dufresne Reviewed-by: Sebastian Fricke Signed-off-by: Hans Verkuil --- .../media/platform/nvidia/tegra-vde/h264.c | 2 +- drivers/media/v4l2-core/v4l2-h264.c | 65 ++++++++++++++----- include/media/v4l2-h264.h | 6 +- 3 files changed, 52 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/nvidia/tegra-vde/h264.c b/drivers/media/platform/nvidia/tegra-vde/h264.c index 4fb0aaad16d6..88f81a134ba0 100644 --- a/drivers/media/platform/nvidia/tegra-vde/h264.c +++ b/drivers/media/platform/nvidia/tegra-vde/h264.c @@ -820,7 +820,7 @@ static int tegra_vde_h264_setup_frames(struct tegra_ctx *ctx, if (err) return err; - if (b.refs[dpb_idx].pic_order_count < b.cur_pic_order_count) + if (b.refs[dpb_idx].top_field_order_cnt < b.cur_pic_order_count) h264->dpb_ref_frames_with_earlier_poc_nb++; } diff --git a/drivers/media/v4l2-core/v4l2-h264.c b/drivers/media/v4l2-core/v4l2-h264.c index 58f18bb0afb6..38d8dbda0045 100644 --- a/drivers/media/v4l2-core/v4l2-h264.c +++ b/drivers/media/v4l2-core/v4l2-h264.c @@ -47,8 +47,6 @@ v4l2_h264_init_reflist_builder(struct v4l2_h264_reflist_builder *b, } for (i = 0; i < V4L2_H264_NUM_DPB_ENTRIES; i++) { - u32 pic_order_count; - if (!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) continue; @@ -59,8 +57,6 @@ v4l2_h264_init_reflist_builder(struct v4l2_h264_reflist_builder *b, /* * Handle frame_num wraparound as described in section * '8.2.4.1 Decoding process for picture numbers' of the spec. - * TODO: This logic will have to be adjusted when we start - * supporting interlaced content. * For long term references, frame_num is set to * long_term_frame_idx which requires no wrapping. */ @@ -70,17 +66,33 @@ v4l2_h264_init_reflist_builder(struct v4l2_h264_reflist_builder *b, else b->refs[i].frame_num = dpb[i].frame_num; - if (dpb[i].fields == V4L2_H264_FRAME_REF) - pic_order_count = min(dpb[i].top_field_order_cnt, - dpb[i].bottom_field_order_cnt); - else if (dpb[i].fields & V4L2_H264_BOTTOM_FIELD_REF) - pic_order_count = dpb[i].bottom_field_order_cnt; - else - pic_order_count = dpb[i].top_field_order_cnt; + b->refs[i].top_field_order_cnt = dpb[i].top_field_order_cnt; + b->refs[i].bottom_field_order_cnt = dpb[i].bottom_field_order_cnt; + + if (b->cur_pic_fields == V4L2_H264_FRAME_REF) { + u8 fields = V4L2_H264_FRAME_REF; + + b->unordered_reflist[b->num_valid].index = i; + b->unordered_reflist[b->num_valid].fields = fields; + b->num_valid++; + continue; + } + + if (dpb[i].fields & V4L2_H264_TOP_FIELD_REF) { + u8 fields = V4L2_H264_TOP_FIELD_REF; + + b->unordered_reflist[b->num_valid].index = i; + b->unordered_reflist[b->num_valid].fields = fields; + b->num_valid++; + } - b->refs[i].pic_order_count = pic_order_count; - b->unordered_reflist[b->num_valid].index = i; - b->num_valid++; + if (dpb[i].fields & V4L2_H264_BOTTOM_FIELD_REF) { + u8 fields = V4L2_H264_BOTTOM_FIELD_REF; + + b->unordered_reflist[b->num_valid].index = i; + b->unordered_reflist[b->num_valid].fields = fields; + b->num_valid++; + } } for (i = b->num_valid; i < ARRAY_SIZE(b->unordered_reflist); i++) @@ -88,6 +100,23 @@ v4l2_h264_init_reflist_builder(struct v4l2_h264_reflist_builder *b, } EXPORT_SYMBOL_GPL(v4l2_h264_init_reflist_builder); +static s32 v4l2_h264_get_poc(const struct v4l2_h264_reflist_builder *b, + const struct v4l2_h264_reference *ref) +{ + switch (ref->fields) { + case V4L2_H264_FRAME_REF: + return min(b->refs[ref->index].top_field_order_cnt, + b->refs[ref->index].bottom_field_order_cnt); + case V4L2_H264_TOP_FIELD_REF: + return b->refs[ref->index].top_field_order_cnt; + case V4L2_H264_BOTTOM_FIELD_REF: + return b->refs[ref->index].bottom_field_order_cnt; + } + + /* not reached */ + return 0; +} + static int v4l2_h264_p_ref_list_cmp(const void *ptra, const void *ptrb, const void *data) { @@ -150,8 +179,8 @@ static int v4l2_h264_b0_ref_list_cmp(const void *ptra, const void *ptrb, builder->refs[idxb].pic_num ? -1 : 1; - poca = builder->refs[idxa].pic_order_count; - pocb = builder->refs[idxb].pic_order_count; + poca = v4l2_h264_get_poc(builder, ptra); + pocb = v4l2_h264_get_poc(builder, ptrb); /* * Short term pics with POC < cur POC first in POC descending order @@ -195,8 +224,8 @@ static int v4l2_h264_b1_ref_list_cmp(const void *ptra, const void *ptrb, builder->refs[idxb].pic_num ? -1 : 1; - poca = builder->refs[idxa].pic_order_count; - pocb = builder->refs[idxb].pic_order_count; + poca = v4l2_h264_get_poc(builder, ptra); + pocb = v4l2_h264_get_poc(builder, ptrb); /* * Short term pics with POC > cur POC first in POC ascending order diff --git a/include/media/v4l2-h264.h b/include/media/v4l2-h264.h index e165a54c68fa..4cef717b3f18 100644 --- a/include/media/v4l2-h264.h +++ b/include/media/v4l2-h264.h @@ -15,7 +15,8 @@ /** * struct v4l2_h264_reflist_builder - Reference list builder object * - * @refs.pic_order_count: reference picture order count + * @refs.top_field_order_cnt: top field order count + * @refs.bottom_field_order_cnt: bottom field order count * @refs.frame_num: reference frame number * @refs.pic_num: reference picture number * @refs.longterm: set to true for a long term reference @@ -32,7 +33,8 @@ */ struct v4l2_h264_reflist_builder { struct { - s32 pic_order_count; + s32 top_field_order_cnt; + s32 bottom_field_order_cnt; int frame_num; u32 pic_num; u16 longterm : 1;