From patchwork Sun Oct 29 18:34:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Karlman X-Patchwork-Id: 739170 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 9B2B4C4167B for ; Sun, 29 Oct 2023 18:46:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230453AbjJ2SqC (ORCPT ); Sun, 29 Oct 2023 14:46:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230392AbjJ2Spy (ORCPT ); Sun, 29 Oct 2023 14:45:54 -0400 Received: from smtp.forwardemail.net (smtp.forwardemail.net [149.28.215.223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8CA2E1; Sun, 29 Oct 2023 11:45:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1698605142; bh=WRRtLa+oeqOclDr80uDaQHUf1YbVCIa0sIISFMlgnvQ=; b=lmI19nppYaA/FKM7w7C18znO5hvgO3u/inHhGfum+08OuYsx4GxC0somkXo8gzrUuaj6jPI4h +zzCg4tm7Eg4yFpAcNNqXrctCJhD6ea9w7sBDDMjsu81QwvGDBnzg5crIqzwYYY2aM1pKK9eCgX GuBdhgPkMb8y4LFBUMlaUcGNFxKHbg3Azhht9e8I/3j/019k2hTCupbwggj7zoyNrKqDEOciWTM DffOCsbzOLkDnith5uLqF+UIvLP+VlmunlJIhxn+zFBeQMoA6xwkJfJBDMlAGWoKR0WPZaisqtP U6P8eNswyGX0Fz5XcNSVh6GdUE0TibNfFZblmC2+DIbA== From: Jonas Karlman To: Ezequiel Garcia , Mauro Carvalho Chehab , "Greg Kroah-Hartman" Cc: Alex Bee , Nicolas Dufresne , Benjamin Gaignard , Sebastian Fricke , Christopher Obbard , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Jonas Karlman Subject: [PATCH v3 08/10] media: rkvdec: Prepare for adding format validation ops Date: Sun, 29 Oct 2023 18:34:15 +0000 Message-ID: <20231029183427.1781554-9-jonas@kwiboo.se> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231029183427.1781554-1-jonas@kwiboo.se> References: <20231029183427.1781554-1-jonas@kwiboo.se> MIME-Version: 1.0 X-Report-Abuse-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Complaints-To: abuse@forwardemail.net X-ForwardEmail-Version: 0.4.40 X-ForwardEmail-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 149.28.215.223 X-ForwardEmail-ID: 653ea5d78fe0ffca230b0f70 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add a rkvdec_valid_fmt() helper that check if a pixelformat is a valid CAPTURE format, and a rkvdec_decoded_fmts() helper for enumerating valid formats. Use these new helpers in preparation for adding format validation ops in an upcoming patch. Signed-off-by: Jonas Karlman --- v3: - New patch drivers/staging/media/rkvdec/rkvdec.c | 47 +++++++++++++++++++-------- 1 file changed, 33 insertions(+), 14 deletions(-) diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index 10752a517971..bd3568928060 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -27,6 +27,19 @@ #include "rkvdec.h" #include "rkvdec-regs.h" +static u32 rkvdec_decoded_fmts(struct rkvdec_ctx *ctx, int index) +{ + const struct rkvdec_coded_fmt_desc *desc = ctx->coded_fmt_desc; + + if (WARN_ON(!desc)) + return 0; + + if (index >= desc->num_decoded_fmts) + return 0; + + return desc->decoded_fmts[index]; +} + static void rkvdec_fill_decoded_pixfmt(struct rkvdec_ctx *ctx, struct v4l2_pix_format_mplane *pix_mp) { @@ -54,7 +67,7 @@ static void rkvdec_reset_decoded_fmt(struct rkvdec_ctx *ctx) { struct v4l2_format *f = &ctx->decoded_fmt; - rkvdec_reset_fmt(ctx, f, ctx->coded_fmt_desc->decoded_fmts[0]); + rkvdec_reset_fmt(ctx, f, rkvdec_decoded_fmts(ctx, 0)); f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; f->fmt.pix_mp.width = ctx->coded_fmt.fmt.pix_mp.width; f->fmt.pix_mp.height = ctx->coded_fmt.fmt.pix_mp.height; @@ -239,13 +252,25 @@ static int rkvdec_querycap(struct file *file, void *priv, return 0; } +static bool rkvdec_valid_fmt(struct rkvdec_ctx *ctx, u32 fourcc) +{ + const struct rkvdec_coded_fmt_desc *desc = ctx->coded_fmt_desc; + unsigned int i; + + for (i = 0; i < desc->num_decoded_fmts; i++) { + if (desc->decoded_fmts[i] == fourcc) + return true; + } + + return false; +} + static int rkvdec_try_capture_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp; struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv); const struct rkvdec_coded_fmt_desc *coded_desc; - unsigned int i; /* * The codec context should point to a coded format desc, if the format @@ -256,13 +281,8 @@ static int rkvdec_try_capture_fmt(struct file *file, void *priv, if (WARN_ON(!coded_desc)) return -EINVAL; - for (i = 0; i < coded_desc->num_decoded_fmts; i++) { - if (coded_desc->decoded_fmts[i] == pix_mp->pixelformat) - break; - } - - if (i == coded_desc->num_decoded_fmts) - pix_mp->pixelformat = coded_desc->decoded_fmts[0]; + if (!rkvdec_valid_fmt(ctx, pix_mp->pixelformat)) + pix_mp->pixelformat = rkvdec_decoded_fmts(ctx, 0); /* Always apply the frmsize constraint of the coded end. */ pix_mp->width = max(pix_mp->width, ctx->coded_fmt.fmt.pix_mp.width); @@ -425,14 +445,13 @@ static int rkvdec_enum_capture_fmt(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv); + u32 fourcc; - if (WARN_ON(!ctx->coded_fmt_desc)) - return -EINVAL; - - if (f->index >= ctx->coded_fmt_desc->num_decoded_fmts) + fourcc = rkvdec_decoded_fmts(ctx, f->index); + if (!fourcc) return -EINVAL; - f->pixelformat = ctx->coded_fmt_desc->decoded_fmts[f->index]; + f->pixelformat = fourcc; return 0; }