From patchwork Thu Jun 16 19:55:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Khirnov X-Patchwork-Id: 36265 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:1a22:b0:84:42e0:ad30 with SMTP id cj34csp1127957pzb; Thu, 16 Jun 2022 13:04:57 -0700 (PDT) X-Google-Smtp-Source: AGRyM1srzuglUCfpCtRrmQlA+F0W+kqs53J0IPgc9SW664riXVeQT7EJd5nmUg2tt6fwtoaM0Iyj X-Received: by 2002:a05:6402:3546:b0:42e:2f58:2c90 with SMTP id f6-20020a056402354600b0042e2f582c90mr8709894edd.84.1655409897278; Thu, 16 Jun 2022 13:04:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1655409897; cv=none; d=google.com; s=arc-20160816; b=jH8H5sZUqQM5p2KFemOjMSGNRZkxcOIzV7hcs8EOjEZTaA9wCdV/EWZEx+5aoMMDVt OyRV4Ds/Cp7v39uLukrPWNLbdE4tqQgcPuptZVLnaHEEwGsc199abPu7ldkT0K5Tqw29 OPwaaLVoy3J6Gf6BdoT+GEFrkisCalzpQ09rBTrY93XU/ixDXJnas545TyZgTQYT8L9n 85MSXOQ7cug887wePfNGTj9niaXk6qphRx7v++bGN4p7x19XDiCm7EPkQ0JCYoTE6Su7 K3BL8eZ1/fl16LLylTY8/UG+Pz2Dk6PTvxFUmFbdiLu0Gu/siOvGTYpMA6OoRDfTeAdL DVuQ== 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=I4IiVY7baPeAZKd3TtIIJGvxnxhRsxu+a+KMxAGcrQc=; b=QW/4tunj0AvVF+cZVrvuq1/nqjJHuOPMKUWhMUgpzc0qvZSxR6iR9hEXtDAvJVQhza 8BMByYjxb/TSFthzT2BVNOJscVRdbHq6/biXhjRcIriTsaH4c1jnHo5G6Fm8mdNMtSC6 fQKPUlZTPEGZQAikwdoplgn8uopThfXh9tlWlYQZhjBuUAH5kLspqqiZqKz5jBHlC3cy MxyCzp9NG1NXDgXsdtZzst+9aplkp1JJo6lMhNgs3BLOmv66QWpFyeA6xply0KnTc3HG fFczOczgGAOpZEId604RcxRFl1QGaxR+wDaXtZQqRy0JPlbAiF9xpvM1NFpcQvKHpGhX h27Q== 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 s19-20020a170906779300b00718d0a2a448si2874194ejm.25.2022.06.16.13.04.56; Thu, 16 Jun 2022 13:04:57 -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 EB14A68B882; Thu, 16 Jun 2022 23:03:48 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail0.khirnov.net (red.khirnov.net [176.97.15.12]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id EA7D068B800 for ; Thu, 16 Jun 2022 23:03:42 +0300 (EEST) Received: from localhost (localhost [IPv6:::1]) by mail0.khirnov.net (Postfix) with ESMTP id 601382404FE for ; Thu, 16 Jun 2022 22:03:42 +0200 (CEST) Received: from mail0.khirnov.net ([IPv6:::1]) by localhost (mail0.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id DSudUFByy8ln for ; Thu, 16 Jun 2022 22:03:40 +0200 (CEST) Received: from libav.khirnov.net (libav.khirnov.net [IPv6:2a00:c500:561:201::7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "libav.khirnov.net", Issuer "smtp.khirnov.net SMTP CA" (verified OK)) by mail0.khirnov.net (Postfix) with ESMTPS id 29E31240593 for ; Thu, 16 Jun 2022 22:03:34 +0200 (CEST) Received: by libav.khirnov.net (Postfix, from userid 1000) id 987DF3A12C5; Thu, 16 Jun 2022 22:03:30 +0200 (CEST) From: Anton Khirnov To: ffmpeg-devel@ffmpeg.org Date: Thu, 16 Jun 2022 21:55:07 +0200 Message-Id: <20220616195534.5278-8-anton@khirnov.net> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220616195534.5278-1-anton@khirnov.net> References: <20220616195534.5278-1-anton@khirnov.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 08/35] fftools/ffmpeg: refactor the code checking for bitexact output 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: JEwya7n5XHqL Figure out earlier whether the output stream/file should be bitexact and store this information in a flag in OutputFile/OutputStream. Stop accessing the muxer in set_encoder_id(), which will become forbidden in future commits. --- fftools/ffmpeg.c | 21 +-------------------- fftools/ffmpeg.h | 2 ++ fftools/ffmpeg_opt.c | 27 ++++++++++++++++++++++++++- 3 files changed, 29 insertions(+), 21 deletions(-) diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c index 0364948b1a..75c2322091 100644 --- a/fftools/ffmpeg.c +++ b/fftools/ffmpeg.c @@ -2815,37 +2815,18 @@ static int init_output_stream_streamcopy(OutputStream *ost) static void set_encoder_id(OutputFile *of, OutputStream *ost) { - const AVDictionaryEntry *e; - uint8_t *encoder_string; int encoder_string_len; - int format_flags = 0; - int codec_flags = ost->enc_ctx->flags; if (av_dict_get(ost->st->metadata, "encoder", NULL, 0)) return; - e = av_dict_get(of->opts, "fflags", NULL, 0); - if (e) { - const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0); - if (!o) - return; - av_opt_eval_flags(of->ctx, o, e->value, &format_flags); - } - e = av_dict_get(ost->encoder_opts, "flags", NULL, 0); - if (e) { - const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0); - if (!o) - return; - av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags); - } - encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2; encoder_string = av_mallocz(encoder_string_len); if (!encoder_string) exit_program(1); - if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT)) + if (!of->bitexact && !ost->bitexact) av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len); else av_strlcpy(encoder_string, "Lavc ", encoder_string_len); diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h index e3cf7794e6..ea226eb901 100644 --- a/fftools/ffmpeg.h +++ b/fftools/ffmpeg.h @@ -496,6 +496,7 @@ typedef struct OutputStream { int top_field_first; int rotate_overridden; int autoscale; + int bitexact; int bits_per_raw_sample; double rotate_override_value; @@ -596,6 +597,7 @@ typedef struct OutputFile { int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units int shortest; + int bitexact; } OutputFile; extern InputStream **input_streams; diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index 28809d0c0b..6f2bf33d7d 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -1459,6 +1459,22 @@ static int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *o return 0; } +static int check_opt_bitexact(void *ctx, const AVDictionary *opts, + const char *opt_name, int flag) +{ + const AVDictionaryEntry *e = av_dict_get(opts, opt_name, NULL, 0); + + if (e) { + const AVOption *o = av_opt_find(ctx, opt_name, NULL, 0, 0); + int val = 0; + if (!o) + return 0; + av_opt_eval_flags(ctx, o, e->value, &val); + return !!(val & flag); + } + return 0; +} + static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index) { OutputStream *ost; @@ -1551,8 +1567,13 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e } - if (o->bitexact) + if (o->bitexact) { ost->enc_ctx->flags |= AV_CODEC_FLAG_BITEXACT; + ost->bitexact = 1; + } else { + ost->bitexact = check_opt_bitexact(ost->enc_ctx, ost->encoder_opts, "flags", + AV_CODEC_FLAG_BITEXACT); + } MATCH_PER_STREAM_OPT(time_bases, str, time_base, oc, st); if (time_base) { @@ -2365,6 +2386,10 @@ static int open_output_file(OptionsContext *o, const char *filename) if (o->bitexact) { oc->flags |= AVFMT_FLAG_BITEXACT; + of->bitexact = 1; + } else { + of->bitexact = check_opt_bitexact(oc, of->opts, "fflags", + AVFMT_FLAG_BITEXACT); } /* create streams for all unlabeled output pads */