From patchwork Tue Jul 4 22:23:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 42441 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b1e:b0:12b:9ae3:586d with SMTP id c30csp5378332pzh; Tue, 4 Jul 2023 15:23:49 -0700 (PDT) X-Google-Smtp-Source: APBJJlGAxGsBsAqTdVEdd4fCuVBrFHMZxOc7EQ6czhGPf5+HoPIRvcFQdY12RtCrqJwIP6o/RADA X-Received: by 2002:a17:906:bcc1:b0:979:dad9:4e9 with SMTP id lw1-20020a170906bcc100b00979dad904e9mr11604733ejb.50.1688509428823; Tue, 04 Jul 2023 15:23:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688509428; cv=none; d=google.com; s=arc-20160816; b=HkgPnD4t1Ck7azAz0rksd7jtGL6EmuZCSELa8OXVQjiS6SlVFl+vzT5tmN3Cl3HX5M kSPgdGmx7e6lEkuPxjGmFBHETY2rvxYNnY5iZzOUjNrfoL7FvjASevTzWjAXG67dkHCu KQ8U8Rm1bHfNP5qSQp8efbDHYKY3xEyMtgyNBPzKjAo6VfDBxc0Eh+29jNIb9cXeQq/6 XEsVa8WmHy4DRA/LPLN2BcqrNcB4jJRqBZaJ8/0IJ+ri7dqxgCRYGarzFDTXyqFmoxUe aPT8hASfuwZwlwXhgkmoTxw5j6nDPJb9I/0l916E3Bz4WYgCrO7KmpQHYwpMYzO00guU GuHA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:reply-to:list-subscribe :list-help:list-post:list-archive:list-unsubscribe:list-id :precedence:subject:mime-version:references:in-reply-to:message-id :date:to:from:delivered-to; bh=1CI0QkLw1xrBMaev5HN5LQ0NMRKCSFaTb/NSZqQpjUY=; fh=e5zN9xSzcxLA6bGo3lF+CqTbY/oLwzApV03EO/RBfgQ=; b=BNWCyhGYnuhZaEPP+5fKh/Zz5lCJHfb0MbDeLHb9CriKMajZzaPle8h6JuheO/bnDj sazKDrvn0FFJrHCUdhp/9hBWIH/g86oKsQx9mQZ+4VyueATKNPVO2FOV1q/14jrGBsok tqwH8TRtH7+o5eXDDa1/ehNwCnY9Qk9ylysEBKJFHGAcaW++I5w01lRFsySi6MfCMkCC plRQhjDv9cKC/7QPfdm5EiS2yXp6NEPGEotKNgJUxnGIbJsUh1zIpDXSn9JvG+BnhjJa /814VxRHU3Sstwr8q9YP+RqTjwxOo8xExLMAk+Xt2YxLC5z1ueBMz6l2FtnG6fmzvy1W plaQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id x24-20020a170906711800b009933cd3556fsi4888181ejj.670.2023.07.04.15.23.48; Tue, 04 Jul 2023 15:23:48 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 749B568C650; Wed, 5 Jul 2023 01:23:16 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id B626568C65D for ; Wed, 5 Jul 2023 01:23:09 +0300 (EEST) X-GND-Sasl: michael@niedermayer.cc Received: by mail.gandi.net (Postfix) with ESMTPSA id F0BB1240003 for ; Tue, 4 Jul 2023 22:23:08 +0000 (UTC) From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Wed, 5 Jul 2023 00:23:01 +0200 Message-Id: <20230704222302.1129450-5-michael@niedermayer.cc> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230704222302.1129450-1-michael@niedermayer.cc> References: <20230704222302.1129450-1-michael@niedermayer.cc> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 5/6] avradio/sdrdemux: When searching for stations move in smaller steps X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: 0tUpcK89njhW Moving too quick can lead to missed stations --- libavradio/sdrdemux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavradio/sdrdemux.c b/libavradio/sdrdemux.c index 92b1e2b170..598dab8f18 100644 --- a/libavradio/sdrdemux.c +++ b/libavradio/sdrdemux.c @@ -1216,7 +1216,7 @@ static void *soapy_needs_bigger_buffers_worker(SDRContext *sdr) // 2 blocks are needed with windowing to get a clean FFT output // Thus > 3 is the minimum for the next frequency update if we want to do something reliable with the data if (sdr->seek_direction && block_counter > 5) { - sdr->wanted_freq = snap2band(sdr, sdr->wanted_freq, sdr->seek_direction*sdr->bandwidth); + sdr->wanted_freq = snap2band(sdr, sdr->wanted_freq, sdr->seek_direction*sdr->bandwidth*0.5); } if (sdr->wanted_freq != sdr->freq) { //We could use a seperate MUTEX for the FIFO and for soapy