From patchwork Wed Dec 6 01:35:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thilo Borgmann X-Patchwork-Id: 44946 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:9153:b0:181:818d:5e7f with SMTP id x19csp731534pzc; Tue, 5 Dec 2023 17:36:04 -0800 (PST) X-Google-Smtp-Source: AGHT+IGTkxA7G3jcLQ0cV0beWLNDJS7NdMqooZxbaiCGyOkdeaeP/AMQt6KcMLkY7fvF95+04ARG X-Received: by 2002:a50:99c1:0:b0:54b:5243:f7d6 with SMTP id n1-20020a5099c1000000b0054b5243f7d6mr175085edb.32.1701826564362; Tue, 05 Dec 2023 17:36:04 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1701826564; cv=none; d=google.com; s=arc-20160816; b=jObcRHaoH5y7GopHOtDfdtKUg0jkxKB62e5dnY3TTknJhFD5QCczkJgf//kQ5sxE6L 04nqrooVUcjLhSLs6cW6N+m7ph27JYhUyCqDA7fvJ0NRnlOJMjGnD8vxUh7piyZHD7ub 1JZUapVmweK2O4RtfXNeXcRhcy6tK2HDjyFzXlojRfQ2LDmAE6i3AFiV1WY9J1WOkpRT tF0R5jqK44n10+y1e4N7qYi4R0OgmCpvjbZkEpI+DMGjV2UsRe+0wpRAPwam58mH4Nok 2rvubm5pdjGGsvY6JxVebrJOe6Suj1XuO1VMo/yG2Bc/C0viv2TigYvYwdlbPp2OKYoT /18g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:cc:reply-to:from :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:mime-version:references:in-reply-to :message-id:date:to:delivered-to; bh=mfIbRNw57CJxF3zG3MB3+ifKOu/OIgi43EXxu6Kdy3c=; fh=uZWItAgYCSLFS5Zum7Ip+PilGyWYOeCwun+We0BTHAs=; b=FHSVJvL0qlBCYtvD4C5Cjl78o9276FN2hqsGyTJ7CnelpHpnCh0dOl/T4DNz61QU6O EWVbGoRjaA5i+7Fw2ckJ6SQd2VMVS9SzbfNEW9jNOPrxoxerUtenyDS9+I9qiORiVy68 yF87iybMronnOmeqUWcUGHtIqzB25HKRAySf6bngj9edKM5Aj3G7m2jfYgv4kdZSO5tR zvDeSEs6Arf3rcjENfXLBbsqSFtXpRteW2SW0Eh2FyzQjEIlQW+4cJwcTilUJkZZlAg0 mrrdMps1CYKffhqc0WH9G4Bps5mMs3H3fhlaS2YtG2Nj2GfeA0bUO7YqRFu4ypFFzvj7 zivw== 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 r16-20020a50aad0000000b0054c4f05f3edsi1513858edc.138.2023.12.05.17.36.04; Tue, 05 Dec 2023 17:36:04 -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 CB8BE68CF2E; Wed, 6 Dec 2023 03:35:20 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from shout02.mail.de (shout02.mail.de [62.201.172.25]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2A98868CF19 for ; Wed, 6 Dec 2023 03:35:13 +0200 (EET) Received: from postfix03.mail.de (postfix03.bt.mail.de [10.0.121.127]) by shout02.mail.de (Postfix) with ESMTP id 44953240CB3 for ; Wed, 6 Dec 2023 02:35:08 +0100 (CET) Received: from smtp01.mail.de (smtp04.bt.mail.de [10.0.121.214]) by postfix03.mail.de (Postfix) with ESMTP id 27D1D80064 for ; Wed, 6 Dec 2023 02:35:08 +0100 (CET) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp01.mail.de (Postfix) with ESMTPSA id E6412240063 for ; Wed, 6 Dec 2023 02:35:07 +0100 (CET) To: ffmpeg-devel@ffmpeg.org Date: Wed, 6 Dec 2023 02:35:03 +0100 Message-Id: <20231206013505.57654-6-thilo.borgmann@mail.de> In-Reply-To: <20231206013505.57654-1-thilo.borgmann@mail.de> References: <20231206013505.57654-1-thilo.borgmann@mail.de> MIME-Version: 1.0 X-purgate: clean X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate: clean X-purgate-size: 6432 X-purgate-ID: 154282::1701826508-15FE8338-036B67CC/0/0 Subject: [FFmpeg-devel] [PATCH v7 5/7] avcodec/webp: make init_canvas_frame static 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: , X-Patchwork-Original-From: Thilo Borgmann via ffmpeg-devel From: Thilo Borgmann Reply-To: FFmpeg development discussions and patches Cc: Thilo Borgmann Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: S3odjPJ4kRCh --- libavcodec/webp.c | 142 +++++++++++++++++++++++----------------------- 1 file changed, 70 insertions(+), 72 deletions(-) diff --git a/libavcodec/webp.c b/libavcodec/webp.c index 2b9a38fdf9..af81e2a84b 100644 --- a/libavcodec/webp.c +++ b/libavcodec/webp.c @@ -1372,7 +1372,76 @@ static int vp8_lossy_decode_frame(AVCodecContext *avctx, AVFrame *p, return ret; } -int init_canvas_frame(WebPContext *s, int format, int key_frame); +static int init_canvas_frame(WebPContext *s, int format, int key_frame) +{ + AVFrame *canvas = s->canvas_frame.f; + int height; + int ret; + + // canvas is needed only for animation + if (!(s->vp8x_flags & VP8X_FLAG_ANIMATION)) + return 0; + + // avoid init for non-key frames whose format and size did not change + if (!key_frame && + canvas->data[0] && + canvas->format == format && + canvas->width == s->canvas_width && + canvas->height == s->canvas_height) + return 0; + + // canvas changes within IPPP sequences will lose thread sync + // because of the ThreadFrame reallocation and will wait forever + // so if frame-threading is used, forbid canvas changes and unlock + // previous frames + if (!key_frame && canvas->data[0]) { + if (s->avctx->thread_count > 1) { + av_log(s->avctx, AV_LOG_WARNING, "Canvas change detected. The output will be damaged. Use -threads 1 to try decoding with best effort.\n"); + // unlock previous frames that have sent an _await() call + ff_thread_report_progress(&s->canvas_frame, INT_MAX, 0); + return AVERROR_PATCHWELCOME; + } else { + // warn for damaged frames + av_log(s->avctx, AV_LOG_WARNING, "Canvas change detected. The output will be damaged.\n"); + } + } + + s->avctx->pix_fmt = format; + canvas->format = format; + canvas->width = s->canvas_width; + canvas->height = s->canvas_height; + + // VP8 decoder changed the width and height in AVCodecContext. + // Change it back to the canvas size. + ret = ff_set_dimensions(s->avctx, s->canvas_width, s->canvas_height); + if (ret < 0) + return ret; + + ff_thread_release_ext_buffer(&s->canvas_frame); + ret = ff_thread_get_ext_buffer(s->avctx, &s->canvas_frame, AV_GET_BUFFER_FLAG_REF); + if (ret < 0) + return ret; + + if (canvas->format == AV_PIX_FMT_ARGB) { + height = canvas->height; + memset(canvas->data[0], 0, height * canvas->linesize[0]); + } else /* if (canvas->format == AV_PIX_FMT_YUVA420P) */ { + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(canvas->format); + for (int comp = 0; comp < desc->nb_components; comp++) { + int plane = desc->comp[comp].plane; + + if (comp == 1 || comp == 2) + height = AV_CEIL_RSHIFT(canvas->height, desc->log2_chroma_h); + else + height = FFALIGN(canvas->height, 1 << desc->log2_chroma_h); + + memset(canvas->data[plane], s->transparent_yuva[plane], + height * canvas->linesize[plane]); + } + } + + return 0; +} static int webp_decode_frame_common(AVCodecContext *avctx, uint8_t *data, int size, int *got_frame, int key_frame) @@ -1611,77 +1680,6 @@ exif_end: return size; } -int init_canvas_frame(WebPContext *s, int format, int key_frame) -{ - AVFrame *canvas = s->canvas_frame.f; - int height; - int ret; - - // canvas is needed only for animation - if (!(s->vp8x_flags & VP8X_FLAG_ANIMATION)) - return 0; - - // avoid init for non-key frames whose format and size did not change - if (!key_frame && - canvas->data[0] && - canvas->format == format && - canvas->width == s->canvas_width && - canvas->height == s->canvas_height) - return 0; - - // canvas changes within IPPP sequences will loose thread sync - // because of the ThreadFrame reallocation and will wait forever - // so if frame-threading is used, forbid canvas changes and unlock - // previous frames - if (!key_frame && canvas->data[0]) { - if (s->avctx->thread_count > 1) { - av_log(s->avctx, AV_LOG_WARNING, "Canvas change detected. The output will be damaged. Use -threads 1 to try decoding with best effort.\n"); - // unlock previous frames that have sent an _await() call - ff_thread_report_progress(&s->canvas_frame, INT_MAX, 0); - return AVERROR_PATCHWELCOME; - } else { - // warn for damaged frames - av_log(s->avctx, AV_LOG_WARNING, "Canvas change detected. The output will be damaged.\n"); - } - } - - s->avctx->pix_fmt = format; - canvas->format = format; - canvas->width = s->canvas_width; - canvas->height = s->canvas_height; - - // VP8 decoder changed the width and height in AVCodecContext. - // Change it back to the canvas size. - ret = ff_set_dimensions(s->avctx, s->canvas_width, s->canvas_height); - if (ret < 0) - return ret; - - ff_thread_release_ext_buffer(s->avctx, &s->canvas_frame); - ret = ff_thread_get_ext_buffer(s->avctx, &s->canvas_frame, AV_GET_BUFFER_FLAG_REF); - if (ret < 0) - return ret; - - if (canvas->format == AV_PIX_FMT_ARGB) { - height = canvas->height; - memset(canvas->data[0], 0, height * canvas->linesize[0]); - } else /* if (canvas->format == AV_PIX_FMT_YUVA420P) */ { - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(canvas->format); - for (int comp = 0; comp < desc->nb_components; comp++) { - int plane = desc->comp[comp].plane; - - if (comp == 1 || comp == 2) - height = AV_CEIL_RSHIFT(canvas->height, desc->log2_chroma_h); - else - height = FFALIGN(canvas->height, 1 << desc->log2_chroma_h); - - memset(canvas->data[plane], s->transparent_yuva[plane], - height * canvas->linesize[plane]); - } - } - - return 0; -} - /* * Blend src1 (foreground) and src2 (background) into dest, in ARGB format. * width, height are the dimensions of src1