From patchwork Thu Apr 28 13:58:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Unterweger X-Patchwork-Id: 35475 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:3b9e:b0:7d:cfb5:dc7c with SMTP id b30csp3606752pzh; Thu, 28 Apr 2022 06:58:30 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzR2kuAMoZAfdH2WtU7Yu42OrPDRgcsZrDs/QiJ9RgYKe2eypVwQGk21AmWyqBEhcmUeQ9S X-Received: by 2002:a05:6402:4314:b0:426:2d2d:7618 with SMTP id m20-20020a056402431400b004262d2d7618mr2445915edc.67.1651154309857; Thu, 28 Apr 2022 06:58:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1651154309; cv=none; d=google.com; s=arc-20160816; b=mj7Z5lD1K0u/imt0QLCP8efytPyNgu+6m+khPpwp8b7gPgdD3bZ1PzKkaiZm5NombU P9a/8gpwmoUm1JKx+R2wZ+gKGrEYZQbKJtbgJbLAOfKbJWZOo0jBNyySgrhNlphcDgPW 05D1NJXhM0rZaiTc8ou/OdPPFpUWs7nJdO/955ruAhPkuh7vIRCUCXM8K/7V3mm3x6UR FFyJiRv9gRh6hLkjGvrTDFqoVNO241QmoDHjVAaCvv1MXjXCmOZpMH/YCNtHXAds7b29 yoLmjU5yKkrGaL8ld+ZrHNTJP6T8dg52GJqWkhZHFpDpXIZibQhcjaAU79QSRd9NWGRo 36yA== 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:to:message-id:date:from:mime-version :dkim-signature:delivered-to; bh=+grfDwwUI37NUGHNcGGz7sW9p/BGkspbzfby2cxc1S8=; b=N/I6TAoh2MqOdMKcqjjB+cx6cGFgWMOmuvSAubAO3cDgXC0VBZWU35GYSoads72nyB 3bZedDKJhPR+/8/nBsdwBA0iDwPtzPujrsH2vD38oeaE8byDb02/6KooifbFr9fjsSnk 2PckPMWpXXSJDdW4Nxxq4WIZG3lZpMI4lpd8fsjPax/cZYqY58A3aeBWniY4/oKgTwVQ baeLu5j/3eu6kyOgZ1A8gwmZ/xLP0/cuOKvFbMiGCt0/OleBjYOskkRPwT/9+WAx7Ggg u68uVTIfIRHybfNL7fRMx3LL7oOi7lYKv736tqfLbat4JyafkHYLHFkLLf6SIfUbudeM 3pfA== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20210112 header.b=jjWw1Lxg; 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 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id d14-20020a50cd4e000000b00425c391287csi3976133edj.552.2022.04.28.06.58.29; Thu, 28 Apr 2022 06:58:29 -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; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20210112 header.b=jjWw1Lxg; 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 BE38D68B41D; Thu, 28 Apr 2022 16:58:26 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-lf1-f45.google.com (mail-lf1-f45.google.com [209.85.167.45]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 60F4D68B410 for ; Thu, 28 Apr 2022 16:58:20 +0300 (EEST) Received: by mail-lf1-f45.google.com with SMTP id w19so8759556lfu.11 for ; Thu, 28 Apr 2022 06:58:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=MlgpXcfxKoXxpZ64TvRQZJ9806QvfbYY0tOQ69v3QFg=; b=jjWw1LxgkINmeSgjqCZ8P7urSYItY4yJw/DvZm8YW7ZTcnQq3RbaKIgAWogniBsIgv ACbH0Tq39F1B+ROZrBAAAqw1fyDYTW1tvASxbLnQkoEz2MW1pD/ui3oprxSGHCCchd+7 aveYGpzj8Nap8UI5gwaaMAaNHrKPpR1TW49EP0mLSABm22K1DPktBhU1Mo5UTEHkKtjU HIrRfl7f86tUcyfVqK707HfWx/9MER9Ox0kXxec8nvN8QiscIKO9hH857mxk1vZQAWhe mSiksIlCPTmXLSfRwftyg2D9XosPo7qgcfk+ws49p9TMBj550fUxAMNZHbYC9p94kv1d pv/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=MlgpXcfxKoXxpZ64TvRQZJ9806QvfbYY0tOQ69v3QFg=; b=y/1RHfOOj1HEMl0u8mbouOUHic9azLIDbhiFLqkEPcMSw4tuysddPljX1jkj2VFcRz 0EGAswyHXtKcrf1Wy5fLVbyOThk0HsIeg/RJTxJKhyLWHkxI2GSNEpxDeB4t6bQhorT7 nwer+MTyDdS37c2uaOuERrr8mKVMh6ieR9I+drnpYF2S8tpR0Lo2e8G07z9rm0vGBOUO eaGDlXK8z/+ALCPiwdj7T1nPZlR2/pcYH9+lTCspmUwpxHnGDDl/KJ/iCV0TiTikb0F0 ThoF1s8ASu4fhnRLhATFHU42VKjZmgwVkSXs8pirVm8Hya7XsGh+fMu88V6jWPtbzQaT ZCww== X-Gm-Message-State: AOAM533K1lWrFzwRBGCO0nml3tczcAe67zhyQuY9FjCHDzti/scH1DA8 FBPYqK1W1mZCK85N5gr6rQP1mwmJjXuCqpl/elA416STGpBfwA== X-Received: by 2002:ac2:424e:0:b0:46b:9249:8ce3 with SMTP id m14-20020ac2424e000000b0046b92498ce3mr23970196lfl.282.1651154299725; Thu, 28 Apr 2022 06:58:19 -0700 (PDT) MIME-Version: 1.0 From: Andreas Unterweger Date: Thu, 28 Apr 2022 15:58:09 +0200 Message-ID: To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH v6 2/4] doc/examples/transcode_aac: Set decoder packet timebase 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: osjG3yZlF/Vf Previously, the default timebase caused two warnings during decoding about not being able to update timestamps for skipped and discarded samples, respectively. Signed-off-by: Andreas Unterweger --- doc/examples/transcode_aac.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) avformat_close_input(input_format_context); return AVERROR_EXIT; @@ -105,7 +108,7 @@ static int open_input_file(const char *filename, } /* Initialize the stream parameters with demuxer information. */ - error = avcodec_parameters_to_context(avctx, (*input_format_context)->streams[0]->codecpar); + error = avcodec_parameters_to_context(avctx, stream->codecpar); if (error < 0) { avformat_close_input(input_format_context); avcodec_free_context(&avctx); @@ -120,6 +123,9 @@ static int open_input_file(const char *filename, avformat_close_input(input_format_context); return error; } + + /* Set the packet timebase for the decoder. */ + avctx->pkt_timebase = stream->time_base; /* Save the decoder context for easier access later. */ *input_codec_context = avctx; diff --git a/doc/examples/transcode_aac.c b/doc/examples/transcode_aac.c index c9b93f6439..52548f080d 100644 --- a/doc/examples/transcode_aac.c +++ b/doc/examples/transcode_aac.c @@ -62,6 +62,7 @@ static int open_input_file(const char *filename, { AVCodecContext *avctx; const AVCodec *input_codec; + const AVStream *stream; int error; /* Open the input file to read from it. */ @@ -88,9 +89,11 @@ static int open_input_file(const char *filename, avformat_close_input(input_format_context); return AVERROR_EXIT; } + + stream = (*input_format_context)->streams[0]; /* Find a decoder for the audio stream. */ - if (!(input_codec = avcodec_find_decoder((*input_format_context)->streams[0]->codecpar->codec_id))) { + if (!(input_codec = avcodec_find_decoder(stream->codecpar->codec_id))) { fprintf(stderr, "Could not find input codec\n");