From patchwork Mon Dec 13 15:20:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Khirnov X-Patchwork-Id: 32435 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a6b:cd86:0:0:0:0:0 with SMTP id d128csp5575652iog; Mon, 13 Dec 2021 07:25:07 -0800 (PST) X-Google-Smtp-Source: ABdhPJxdhMW1Ukn0RU2+jnZu19k1OQ6ard/P1USuqYVqyMJ8RJPs93MiEG+olM/BVzW9wThbXpm2 X-Received: by 2002:a17:906:58ce:: with SMTP id e14mr43236227ejs.525.1639409107122; Mon, 13 Dec 2021 07:25:07 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1639409107; cv=none; d=google.com; s=arc-20160816; b=Orvwe8UEtDbWTGfrsmvCREAXUXEXHkG8jPgFL6kvNEYbKMIInPR4pkDHsI6eP3ywiT BliYY6chVsMglk/8OYgAIaOVmhj9dPHmC/PkKus9Go+qNxNINe4Gt1W8NMirBLwnwh7a I2DvTIAHvk5BEO54WciqB5PEnjrB5uorUJEr3JIbju98Co/CbwGNlqb3QDBtbTlAhAwq UBQcctktJtnZS39sXSaUZ8pEuiFWulUFaHyw3c1nPi1iVZ9JZ0TXHkT2kNQ6s+DSyhlS Y9yTDPldZhAylmN0trzrvqtQkBtsPNV8lXxKBw7QdMOKjQ72a5UAzUvAV57xJGYY6gyb ndAQ== 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=/nrDflbzUmrKcrqVsb5w7qphUeuWbilW4KbA1d3c6RE=; b=ACZr4xU9LwbUjLF1n9L22PImjM9rfvYeLs/NIDCDK3RLP/7hLaf7kQesKiB2bMJCl5 6oGFsXuXdVd8Tio4MgzZxrPaGYO713yndzxa89KzTFs+6QF6IGhtC6bczGde3dna3nqk oWKtGApvrpQxd75+SflRE343QGt2N32YDIDlaE8yiQb5v7lqJap/s67xjbFwT0YT9wq4 o8npGbrSdZVq9EO+OjwoNbxWdD5MUDgQ+tL6C9ORXb2s3d2oacuqUtMeznFsM4DY0Doa IKZVXgeVPgQxm1k3vDpxZivpvL+9agSmdsiVF1atvGczwcHEyFTQyLiUCGcx3jM2xGMm jciA== 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 x16si3039399ejo.360.2021.12.13.07.25.05; Mon, 13 Dec 2021 07:25:07 -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; 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 85F5368B00F; Mon, 13 Dec 2021 17:22:30 +0200 (EET) 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 9554968AFAA for ; Mon, 13 Dec 2021 17:22:19 +0200 (EET) Received: from localhost (localhost [IPv6:::1]) by mail0.khirnov.net (Postfix) with ESMTP id C65C0240593 for ; Mon, 13 Dec 2021 16:22:13 +0100 (CET) Received: from mail0.khirnov.net ([IPv6:::1]) by localhost (mail0.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id l0Vu6f340hiA for ; Mon, 13 Dec 2021 16:22:11 +0100 (CET) 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 A726424056A for ; Mon, 13 Dec 2021 16:22:07 +0100 (CET) Received: by libav.khirnov.net (Postfix, from userid 1000) id 45A763A0AB5; Mon, 13 Dec 2021 16:22:07 +0100 (CET) From: Anton Khirnov To: ffmpeg-devel@ffmpeg.org Date: Mon, 13 Dec 2021 16:20:33 +0100 Message-Id: <20211213152042.5900-15-anton@khirnov.net> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211213152042.5900-1-anton@khirnov.net> References: <20211213152042.5900-1-anton@khirnov.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 15/24] 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: l8o/ZRMdTVbS 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 81a41fc8d1..902f190191 100644 --- a/fftools/ffmpeg.c +++ b/fftools/ffmpeg.c @@ -2864,37 +2864,18 @@ 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 c1990561af..78c2295c8e 100644 --- a/fftools/ffmpeg.h +++ b/fftools/ffmpeg.h @@ -491,6 +491,7 @@ typedef struct OutputStream { int top_field_first; int rotate_overridden; int autoscale; + int bitexact; int bits_per_raw_sample; double rotate_override_value; @@ -588,6 +589,7 @@ 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 09301acb03..ec95202d95 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -1427,6 +1427,22 @@ 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; @@ -1522,8 +1538,13 @@ 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) { @@ -2308,6 +2329,10 @@ 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 */