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[79.124.17.100]) by mx.google.com with ESMTP id hb14-20020a170907160e00b00877611b71e1si12198359ejc.622.2023.01.21.05.44.39; Sat, 21 Jan 2023 05:44:40 -0800 (PST) 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; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20210112 header.b=QSoseOO0; 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; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0E42268B7B9; Sat, 21 Jan 2023 15:44:36 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-vs1-f48.google.com (mail-vs1-f48.google.com [209.85.217.48]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id F117568ACC3 for ; Sat, 21 Jan 2023 15:44:29 +0200 (EET) Received: by mail-vs1-f48.google.com with SMTP id k6so8554326vsk.1 for ; Sat, 21 Jan 2023 05:44:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=Jv/4MbUetYeh7Y+RTJkA0b9hYwoIJUcNWRK/vR5Wims=; b=QSoseOO0ihsWYmBFLip3uUtg8bfg93VVS094fbqtQxIpMlQY08sVRZKp7JyMMrn436 bn9nRE9qt3yEFrAlJ9fEXI8UCT6yH/CETo1WJ4io1jFoDVYRAgn2d+hJ4EYAfvRiRpjs +Z/5s2Ja0mbhCJ6cQ9nhFXo6Tn+3dJ2elbsV7xC76asPxsHBrP+47Y5OVCLzfqwBwA1d CmfkbPdkIjhgxYn5OJ9wdDqMbf340AFa6hnqk6xLPVua9UDEDIWNVgyNeX+XZdF/YMjr VhxxTTtPSI97xh1t71G+fshb16tRXcuz0C1p6lGsZbBExN4DuMQlgg4QHW8g85yX0FtA DZ8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Jv/4MbUetYeh7Y+RTJkA0b9hYwoIJUcNWRK/vR5Wims=; b=JPsaSlNQNa//ZZCYwRk0qOgubKH6XuI8KhYarwnvhHdbqQyf/x9uIgcmOnu1EOieft S7hmBu7WP7rCuivLcc4bLqQ/alN9ZD1RE78D90yAN/5wXmM2Fvdz7rgG+Mdf5aYDIDSI F6ZrmRea8feeJkSe1MbryuzmOy5xycz+bp6DQmP3Y2DLM6uwLP1oi3pWMtsw5ZOuEIVq Ih0o0rnS3UvsNOo+maEstQvuvj1mHGDhqk5gjPxZVqAmoXSET1xSmyEBdsPv8DHVgVCx t6j/2RiFrnIGtUFuSZjlmQW9ZpC0gv+FhyLpSP08aIJqxAlO0GQGPayeRgMlTUl/7YKM 3KQQ== X-Gm-Message-State: AFqh2krah8g7lVjdozKj3edNDRLJnOvoPW2Tr3kySd2x8IbHi6ySA9H5 LnEWlhm6TvqnON37hN7aWJ/5x8k0A4Xl644gLAuB0FFY X-Received: by 2002:a05:6102:1510:b0:3d3:e5dc:e359 with SMTP id f16-20020a056102151000b003d3e5dce359mr2452982vsv.61.1674308668327; Sat, 21 Jan 2023 05:44:28 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a05:612c:2428:b0:32a:5eaa:92e4 with HTTP; Sat, 21 Jan 2023 05:44:26 -0800 (PST) From: Paul B Mahol Date: Sat, 21 Jan 2023 14:44:26 +0100 Message-ID: To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH] add WADY demuxer and decoder 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: xTO/tuoO4h/w Hi, Patches attached. From 02f05b5d81597bacc28b9b400f4aa262856a7a2e Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sat, 21 Jan 2023 14:07:48 +0100 Subject: [PATCH 3/3] avcodec/dpcm: add .flush Otherwise after seek, DC offset for audio samples might be big. Signed-off-by: Paul B Mahol --- libavcodec/dpcm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/dpcm.c b/libavcodec/dpcm.c index 2420647bc0..86cb9134f8 100644 --- a/libavcodec/dpcm.c +++ b/libavcodec/dpcm.c @@ -448,6 +448,13 @@ static int dpcm_decode_frame(AVCodecContext *avctx, AVFrame *frame, return avpkt->size; } +static void dpcm_flush(AVCodecContext *avctx) +{ + DPCMContext *s = avctx->priv_data; + + s->sample[0] = s->sample[1] = 0; +} + #define DPCM_DECODER(id_, name_, long_name_) \ const FFCodec ff_ ## name_ ## _decoder = { \ .p.name = #name_, \ @@ -457,6 +464,7 @@ const FFCodec ff_ ## name_ ## _decoder = { \ .p.capabilities = AV_CODEC_CAP_DR1, \ .priv_data_size = sizeof(DPCMContext), \ .init = dpcm_decode_init, \ + .flush = dpcm_flush, \ FF_CODEC_DECODE_CB(dpcm_decode_frame), \ } -- 2.39.1