From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 7BED54DA81 for ; Tue, 23 Dec 2025 15:21:20 +0000 (UTC) Authentication-Results: ffbox; dkim=fail (body hash mismatch (got b'L+ewlIv+siZDDW6EvfhK1KN5PbTutPeVylZHcX8uOiE=', expected b'Q9fCohpfaKxRsMa1BKIyDkuHiGExKv34yjU0EYpQHXs=')) header.d=gmail.com header.a=rsa-sha256 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ffmpeg.org; i=@ffmpeg.org; q=dns/txt; s=mail; t=1766503268; h=to : date : message-id : mime-version : reply-to : subject : list-id : list-archive : list-archive : list-help : list-owner : list-post : list-subscribe : list-unsubscribe : from : cc : content-type : content-transfer-encoding : from; bh=1eGmkikvmEUrbwPtw27Fnr29iSuatN2QVp1jWtLWm8Y=; b=kCAlxXaPMOYnG21/KBRsv/Q8Iz9ljwBLq/T8iQmCwXM/jVoztEyfkexOTznQCzmfXSqPp xez0w5MyTYOgyZuoWrTEimDR7Wq5ESlCvaFVyejxcwrVyyG+PP61defYW29y+qQFvcBcCPa SmiDWx5qdJe+lH6nAqQXMa8g0CqqzRJiKr7XAGnaMJb8HWCVnGJlQ+ycW/RdHkVPhTD9HYH qsd8twz90LiuerwZf8ci50s0Dnl422DhBtOidn/G1WjX9rOx1leOQMHVEJ4PyJ/V/IWP2W6 mEyAT3/XFBsdQxhueJMPazQAuXDzL1A41ZqmS7In3rEKH/pVeOTJvEdLAw0g== Received: from [172.20.0.2] (unknown [172.19.0.4]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 0E61A690B1D; Tue, 23 Dec 2025 17:21:08 +0200 (EET) ARC-Seal: i=1; cv=none; a=rsa-sha256; d=ffmpeg.org; s=arc; t=1766503259; b=oepFLTTh5maSGrpFHTreEaEusa1tyCU3lUVYQMUSmkZxbyuEj1KhM/4qYztcAami7rXkT 3DBVAHII5Unso0bTIhdF8acak3NFBfyxNystZuoYDwrc29ai9yqiNKAemyc+HPoaqrktltG eMHBJ3Po5bdg43aqA34ahkPA1ktlcNAQzxh2fVYFqdBHWKHxBJJN8yKMKvEc8kS/KB5pRK9 VQejDjv4WsqxecALtVNnqB2z2kIgHrwsaKgm6DiCeTCdCYET+9roGaeA8cb9pcxPNrgFbI+ xQqiK+cT+pBJnKbKdLS0iGIKAV/BzCNQFa4FguL2hh5rQBmcGGyr7hOZ8qwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=ffmpeg.org; s=arc; t=1766503259; h=from : sender : reply-to : subject : date : message-id : to : cc : mime-version : content-type : content-transfer-encoding : content-id : content-description : resent-date : resent-from : resent-sender : resent-to : resent-cc : resent-message-id : in-reply-to : references : list-id : list-help : list-unsubscribe : list-subscribe : list-post : list-owner : list-archive; bh=L+ewlIv+siZDDW6EvfhK1KN5PbTutPeVylZHcX8uOiE=; b=AS7xBCYz39Q+FNdK+OTauIgTC3qhheyX+8jRMCgH4GB8l37Aw1eXTJE3qgk8liUUi+DTV YFnSgby+S02GM0hlA+nLEvvX/WaWIEZTFWB+pCRLHt1YSr/wl3o5LALGXJp79SjFjd38zM6 la6MSFNOyTEywD6o1217/mjbMnOLz9QU61e+7H5KPam1RkwKUjDSQIrD6CBMn6AbsTIY7Ll rEUg6ihUPRoAYgkERPdls66m4U/YGLJko3kFOsdgA7Xt4KV9L1oxDgtZsjhGEechnhKNBAt L0gB1hNmVSQgml/YSZwQKkeorXE1CnTqRTO6T8wF8Yt96xXP8DTCIXA40qvg== ARC-Authentication-Results: i=1; ffmpeg.org; dkim=pass header.d=gmail.com; arc=none; dmarc=pass header.from=gmail.com policy.dmarc=quarantine Authentication-Results: ffmpeg.org; dkim=pass header.d=gmail.com; arc=none (Message is not ARC signed); dmarc=pass (Used From Domain Record) header.from=gmail.com policy.dmarc=quarantine Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id 578836909B1 for ; Tue, 23 Dec 2025 17:20:46 +0200 (EET) Received: by mail-pf1-f175.google.com with SMTP id d2e1a72fcca58-7f651586be1so2375946b3a.1 for ; Tue, 23 Dec 2025 07:20:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1766503244; x=1767108044; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Q9fCohpfaKxRsMa1BKIyDkuHiGExKv34yjU0EYpQHXs=; b=R683idLqX8iHzwiWKOlJODaRhjDpg1XGQlkxunL5/xFAo7zRDHFTTRkBum0Ti8Gar5 f0wRSjMLNP4kg7hEi9ZuA1G8I4GA4jFCuDMKK+Nkm272Fthp8BORWuIuABcdIZtlpn9c gJaBmTKmzByw5OBHMX8UmbjmWfBTfHEvQlQrudiljVRZkfkBc5o+HpqRDDy/CyPl2BmS l6NnKk9w7dv2oKx+q2tvQ1gfxv5LFArrDMK6ftFjrBNOzXvCVTODxRJBSlhfYSXBtp8y yS19d3cmXsSOTGjhFUCfXSq+ENMLRwBEIwt+KrJMEd6Off/5kPqlN1kJjox5WE3lU3Uo /ebA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766503244; x=1767108044; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Q9fCohpfaKxRsMa1BKIyDkuHiGExKv34yjU0EYpQHXs=; b=ZwNvhPHk6sDuB9u3oDC3gpOto8RreOlMSNBYKtugl+sY8PlXw8DRhtgGaDvvs2dclt 5LmGofuwYTNzNXJcdn7d2mOcSt2W+IEP8J0SdUKQNs17MEOrvq6mArZyeWJwjy/Ltndb zJHtpa0n8t1Boc1y3dXeU/CSu6jlArbt5dxhKklwoYXhgfPoKCJP8MmNTxM8KvRlmR5X ekv1me/YmPdiktEoE/YsZ4oeq1P7x4rtJMb5koxgcjBeV/hs1IVg7/NTGmovKXJAt8bz BUI8gljvbKNw3m6xNhw4OvoUZB6t8E2JkkaB+8gKe2iJAhU4QIdOzvjv+LGE9+IC/b0s e6sA== X-Gm-Message-State: AOJu0Yyi6XWKN8EOObWBprj+S4sIjAErITXdB+rNEtnTmVHPA3/gMWc7 3dBdwtYjsfXVMUhUz51tlbqFtwmxscx4onvjnSOxSxQS4iivtXGUH07WOt/ASA== X-Gm-Gg: AY/fxX6Z1x+iso0fqWZuJKPYR6RgiLdyAnNoxEO+3EjGydxfmNTe0pMHGszVMvw0mh3 bQrhBW2DITDsB1p4l2WGgKXjtuza8qO/xq2hEpWYDhtQ5RpQkqF9taKwjOnaVvabla6JMKteALi 7U00kBqM0gKV0G/oKMJSLm5d/HTDLL2UG6ltAHuvLFLWBY/hsTsSoQay9GmdpyubjrpADDogrFh cCvIPVUs/1fLg9aWU9HKou3/8Zj3KUaHxIshEtyd1Ic/or7MYmsGBwYFfveO9pEEmec+amf7ZTV ebASTv70mozU6XUKNA94rKnpIIZG5FF+UFSTHamRYp5IaQY04eWF70HgJplGaEEXId/MJkXn4XD gG+Rv2el8HFX9Xdzcw+XvKLqIzgCCon/47oWZTZY31mfs6UpwFln8HnniS7MxnOEs7rPOMCdRpZ 9iLuJfIk6Qv1iuLohJEWaGfBYR2HGk3PmwxoYBxCg= X-Google-Smtp-Source: AGHT+IFdsYJJI4nwgaUj0WosVxxZ9hD0s3slPwKIrzwhj6nKUjV6mk2LtK7TZwfW1dEn9NCBeldp3w== X-Received: by 2002:a05:6a00:7385:b0:7a2:6adc:cbe8 with SMTP id d2e1a72fcca58-7fe0d7a243amr11940347b3a.16.1766503243820; Tue, 23 Dec 2025 07:20:43 -0800 (PST) Received: from Raja-Rathour-ASUS-TUF-Gaming-A15.. ([150.242.65.63]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7ff7dfac28fsm14023160b3a.32.2025.12.23.07.20.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Dec 2025 07:20:43 -0800 (PST) To: ffmpeg-devel@ffmpeg.org Date: Tue, 23 Dec 2025 20:50:00 +0530 Message-ID: <20251223152000.86157-1-imraja729@gmail.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Message-ID-Hash: RAZYJPLMQ5PJRKPHZ7AJQWNGNHLLEXY6 X-Message-ID-Hash: RAZYJPLMQ5PJRKPHZ7AJQWNGNHLLEXY6 X-MailFrom: SRS0=JFHy=65=gmail.com=imraja729@ffmpeg.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH v2] avfilter/vf_alphamerge: add slice threading List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Raja Rathour via ffmpeg-devel Cc: Raja Rathour Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: --- libavfilter/vf_alphamerge.c | 69 +++++++++++++++++++++++++------------ 1 file changed, 47 insertions(+), 22 deletions(-) diff --git a/libavfilter/vf_alphamerge.c b/libavfilter/vf_alphamerge.c index c17a647dbe..63acac3450 100644 --- a/libavfilter/vf_alphamerge.c +++ b/libavfilter/vf_alphamerge.c @@ -46,12 +46,52 @@ typedef struct AlphaMergeContext { FFFrameSync fs; } AlphaMergeContext; +typedef struct ThreadData { + AVFrame *main_buf; + AVFrame *alpha_buf; +} ThreadData; + +static int alphamerge_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +{ + AlphaMergeContext *s = ctx->priv; + ThreadData *td = arg; + AVFrame *main_buf = td->main_buf; + AVFrame *alpha_buf = td->alpha_buf; + int slice_start = (main_buf->height * jobnr) / nb_jobs; + int slice_end = (main_buf->height * (jobnr+1)) / nb_jobs; + int y; + + if (s->is_packed_rgb) { + int x; + uint8_t *pin, *pout; + for (y = slice_start; y < slice_end; y++) { + pin = alpha_buf->data[0] + y * alpha_buf->linesize[0]; + pout = main_buf->data[0] + y * main_buf->linesize[0] + s->rgba_map[A]; + for (x = 0; x < main_buf->width; x++) { + *pout = *pin; + pin += 1; + pout += 4; + } + } + } else { + const int main_linesize = main_buf->linesize[A]; + const int alpha_linesize = alpha_buf->linesize[Y]; + av_image_copy_plane(main_buf->data[A] + slice_start * main_linesize, + main_linesize, + alpha_buf->data[Y] + slice_start * alpha_linesize, + alpha_linesize, + FFMIN(main_linesize, alpha_linesize), + slice_end - slice_start); + } + return 0; +} + static int do_alphamerge(FFFrameSync *fs) { AVFilterContext *ctx = fs->parent; AVFilterLink *outlink = ctx->outputs[0]; - AlphaMergeContext *s = ctx->priv; AVFrame *main_buf, *alpha_buf; + ThreadData td; int ret; ret = ff_framesync_dualinput_get_writable(fs, &main_buf, &alpha_buf); @@ -67,25 +107,10 @@ static int do_alphamerge(FFFrameSync *fs) av_color_range_name(alpha_buf->color_range)); } - if (s->is_packed_rgb) { - int x, y; - uint8_t *pin, *pout; - for (y = 0; y < main_buf->height; y++) { - pin = alpha_buf->data[0] + y * alpha_buf->linesize[0]; - pout = main_buf->data[0] + y * main_buf->linesize[0] + s->rgba_map[A]; - for (x = 0; x < main_buf->width; x++) { - *pout = *pin; - pin += 1; - pout += 4; - } - } - } else { - const int main_linesize = main_buf->linesize[A]; - const int alpha_linesize = alpha_buf->linesize[Y]; - av_image_copy_plane(main_buf->data[A], main_linesize, - alpha_buf->data[Y], alpha_linesize, - FFMIN(main_linesize, alpha_linesize), alpha_buf->height); - } + td.main_buf = main_buf; + td.alpha_buf = alpha_buf; + ff_filter_execute(ctx, alphamerge_slice, &td, NULL, + FFMIN(main_buf->height, ff_filter_get_nb_threads(ctx))); return ff_filter_frame(ctx->outputs[0], main_buf); } @@ -210,7 +235,7 @@ const FFFilter ff_vf_alphamerge = { .p.description = NULL_IF_CONFIG_SMALL("Copy the luma value of the second " "input into the alpha channel of the first input."), .p.priv_class = &alphamerge_class, - .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL, + .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, .preinit = alphamerge_framesync_preinit, .priv_size = sizeof(AlphaMergeContext), .init = init, @@ -219,4 +244,4 @@ const FFFilter ff_vf_alphamerge = { FILTER_QUERY_FUNC2(query_formats), .uninit = uninit, .activate = activate, -}; +}; \ No newline at end of file -- 2.48.1 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org