From patchwork Fri Nov 15 10:27:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 179484 Delivered-To: patch@linaro.org Received: by 2002:a92:38d5:0:0:0:0:0 with SMTP id g82csp12258285ilf; Fri, 15 Nov 2019 02:27:36 -0800 (PST) X-Google-Smtp-Source: APXvYqzvVI+rrXjHMjGmWhPF9beDEGcZHOvTGcFsXqwD2nx6VgrbFgWzaNvMvV4lIwmbxi4lF1Q5 X-Received: by 2002:a17:906:2f09:: with SMTP id v9mr7217692eji.91.1573813656452; Fri, 15 Nov 2019 02:27:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1573813656; cv=none; d=google.com; s=arc-20160816; b=E1o/Al12vd1oY8ZIpP7WMrc50UNKiaUaIOaHf18RDDZryNhoMGKcqg4ObW7fOiteB8 sEarNKo1ZTLglBbSpjvuOauR1KF7EaaIJ+a9SIzvpYrzx4wRomVe9eDL7oeSnC4Ug0oj d0UhONDEikAoe66FBx9j4PM/iTplOVqmOFfpjOZKJB3cLr4hKan9FpxWgAIkboZYk4HW 7b7SLBbrgT1Qx6TVVB7wVSVzq4SskisRqpKxoK8PFi/RPKup8HNNqH7IfgO9Zwm3YsaA 4SyUjvDGMWjZ9jfR2MxldWYcJdUMCuXGBI8DpJjt7s2jPBsWh8RJT92zwQZhaTMix0hZ hrPA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=V75oV3pUgBbJb+2n96CAs5a+CTar0ulcALhkvuOdQbg=; b=LgxgDdZhjDQUbDwbqhqDo0Bw39rej9REheml/TwYlMsQAnv7y+L/ezXgAWLfR2Xzyu 6EGN+c6JL8S16SrOkC0RzlHda2upuH57T0dvF+f1ynJxjRnVzlp3ImH9ti06xDdfzz5M agn0jw+9MZ7DiHOKvlvB6KIcy0nZigj8Ji/BhMrAVbi7uW9gSfR6mj/c2zUUlNu04fO/ ebeTgueiQRbycl3Y6gONxqyDXQBz0qgCxKpS6G4xncQVVESuHsLPUd9b8+CWVrXAX7sE gK1SKSjHqIvir/p41lqXUferMzEB2RVJelPiJjsgKCVXc/kEH6lGOw+Sl9XNMN9xwhIq Acdw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=fEDenBFl; spf=pass (google.com: best guess record for domain of linux-arm-msm-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-arm-msm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id be7si5011662edb.438.2019.11.15.02.27.36; Fri, 15 Nov 2019 02:27:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-arm-msm-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=fEDenBFl; spf=pass (google.com: best guess record for domain of linux-arm-msm-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-arm-msm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727142AbfKOK1f (ORCPT + 15 others); Fri, 15 Nov 2019 05:27:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:49482 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725829AbfKOK1f (ORCPT ); Fri, 15 Nov 2019 05:27:35 -0500 Received: from vkoul-mobl.Dlink (unknown [106.51.108.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5C866206DB; Fri, 15 Nov 2019 10:27:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573813654; bh=bxGJpK7tv7bQQozkMi1XqMUsT6+l0OMXL5gob7QPqgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fEDenBFl6KVKiecFUu8HgEUpWy3sCD5ee//Xa4t73KpmsONmOp0KF0/M3T+t+HX5X Ndu3gZi7a32+shXpgB9uJ4S8j2jFZQYqv9OLXnSMi6u/007ILHDkd0kOetTnSVcHrO 3bxc3r08CpP2WLbThfCgBT9BfAItGGE+Sipg2f1Q= From: Vinod Koul To: Takashi Iwai Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vinod Koul , Jaroslav Kysela , Patrick Lai , Banajit Goswami , Liam Girdwood , Mark Brown , Pierre-Louis Bossart , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Srinivas Kandagatla Subject: [RFC PATCH 1/3] ALSA: compress: add flac decoder params Date: Fri, 15 Nov 2019 15:57:03 +0530 Message-Id: <20191115102705.649976-2-vkoul@kernel.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191115102705.649976-1-vkoul@kernel.org> References: <20191115102705.649976-1-vkoul@kernel.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The current design of sending codec parameters assumes that decoders will have parsers so they can parse the encoded stream for parameters and configure the decoder. But this assumption may not be universally true and we know some DSPs which do not contain the parsers so additional parameters are required to be passed. So add these parameters starting with FLAC decoder. The size of snd_codec_options is still 120 bytes after this change (due to this being a union) Co-developed-by: Srinivas Kandagatla Signed-off-by: Srinivas Kandagatla Signed-off-by: Vinod Koul --- include/uapi/sound/compress_params.h | 10 ++++++++++ 1 file changed, 10 insertions(+) -- 2.23.0 diff --git a/include/uapi/sound/compress_params.h b/include/uapi/sound/compress_params.h index 3d4d6de66a17..9c96fb0e4d90 100644 --- a/include/uapi/sound/compress_params.h +++ b/include/uapi/sound/compress_params.h @@ -317,12 +317,22 @@ struct snd_enc_generic { __s32 reserved[15]; /* Can be used for SND_AUDIOCODEC_BESPOKE */ } __attribute__((packed, aligned(4))); +struct snd_dec_flac { + __u16 sample_size; + __u16 min_blk_size; + __u16 max_blk_size; + __u16 min_frame_size; + __u16 max_frame_size; + __u16 reserved; +} __attribute__((packed, aligned(4))); + union snd_codec_options { struct snd_enc_wma wma; struct snd_enc_vorbis vorbis; struct snd_enc_real real; struct snd_enc_flac flac; struct snd_enc_generic generic; + struct snd_dec_flac flac_d; } __attribute__((packed, aligned(4))); /** struct snd_codec_desc - description of codec capabilities