From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <ffmpeg-devel-bounces@ffmpeg.org> Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 764814E3D2 for <ffmpegdev@gitmailbox.com>; Fri, 2 May 2025 01:44:40 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 953B1687DF0; Fri, 2 May 2025 04:44:38 +0300 (EEST) Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id C1AA6687B1C for <ffmpeg-devel@ffmpeg.org>; Fri, 2 May 2025 04:44:31 +0300 (EEST) Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-2279915e06eso17701575ad.1 for <ffmpeg-devel@ffmpeg.org>; Thu, 01 May 2025 18:44:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1746150269; x=1746755069; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=wZuPukn/NYH1b4oeRgdQ44ITtKNm5jHZWLJVCDY+MeY=; b=BnP1pzw+U/Vxow2AEN+GMAIAB30EGqy9RNTPGyDzQ5rA6XlsFm7NrmeGdX3gaCH0VI m3QIiSif/8fvZb1rHGV2DoVpp9Gsc1K5K30g2mF6/1cHTumbm4nMiL2OeIOWUUUMB+Op 2jU8Ej5NAMIWEB0Jva13bnCMNy4DWCV0HPSbPAAnHVC/kk3QCFCOKziwf+aLbE5iWKDO P9g7Qv7ysJTTYIJWtz8l0V6PZzaYi0ws14AwPsym95xzIRlC4CYn3u68PgG2kR7ssYge nqOgMzW7uzIbPVjAnA+7a7FU+ycM3ACTOX5kNQnIVr8xsBSRmgH3mvwmuaDZ0L5seDNU Z+dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746150269; x=1746755069; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=wZuPukn/NYH1b4oeRgdQ44ITtKNm5jHZWLJVCDY+MeY=; b=LOk9AxWEE45LWlhFdZQwThyd+kiEa0JcLCfiCy2JMG03oXdod/i5GZt3gIsEYh6ANZ UDStKEUFaMmF5jmBkjFr4ZvTpFft4A2AErPxQEYbSf5qsnamJuJXwbBVNV+y1WSn4g8g cdh7Cr3/Lzy0MbvXSB2Byg65yUFaRhfwR3ZF78WuKqYCMRTsXVhjmpfYnwBTZP1Bt+5G PcSXKE93tkbHJs2n5rr38+ePQ3GTotDb9QU0uN4A78NdnTDCz9xSkhBSquveYTq3H4GQ lwWXSbLdzfsIGRR7ZV4eyYDck+tPTQp7aFVWStXhinH4gktgRAZaggSNIr7VYj3Pswkc SxhA== X-Gm-Message-State: AOJu0Yy9TFl6aR0zada6HOvK4YBR3n1C3dCknlkOq3Wmtc0anVUxmt55 k6fXc4cWKEcaK2adYYCwD11oms5bprovS8qhlY/kuq4sYaA7u0KM2Wbefw== X-Gm-Gg: ASbGncuNuTr1fF0oCfNV4JZEgSkT3u3sCE40Mu3sA44uxCPxMT62LfCv2HGA358dxUe yoR/p9+4W46zadTOqW2Sed2plSo101/QvCYwPxnDJ+UC++s58ddtPKzgqYTvSgE1PxxqJKEKRzz /8L8vEvsTkX4xZ/ffAOVACcdy+oa3VvldDVxGok6qeytpUqyNh4j2XFjuwcWmwafV7qV8f8/GPC rJra1lKsB66VcAxgUQuHApOXP08bu0icQ3AYO9KEvV9Wu4iq9YKODqJj0fYqBpBzrZNAgen9UnW PxePkIkT/yMu1yVfhF7enWSGpR2zI/2KIJj5WciEW8fQWe5TBRqlGaBG+w== X-Google-Smtp-Source: AGHT+IHbhXsYDtnrgjqpe1TZpl6IiV0nv4uJ1zLbMd8LzwjOyQDBrzvbujGqM5ldDsofdd/cUjGgHg== X-Received: by 2002:a17:902:e84f:b0:220:d909:1734 with SMTP id d9443c01a7336-22e103208b2mr16740585ad.14.1746150269306; Thu, 01 May 2025 18:44:29 -0700 (PDT) Received: from localhost.localdomain ([2800:2121:b000:82e:158:550d:a133:719f]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22e108fb924sm3086715ad.140.2025.05.01.18.44.28 for <ffmpeg-devel@ffmpeg.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 May 2025 18:44:28 -0700 (PDT) From: James Almer <jamrial@gmail.com> To: ffmpeg-devel@ffmpeg.org Date: Thu, 1 May 2025 22:44:13 -0300 Message-ID: <20250502014414.3404-1-jamrial@gmail.com> X-Mailer: git-send-email 2.49.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/2] avcodec/cbs: add ff_cbs_read_buf() X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches <ffmpeg-devel.ffmpeg.org> List-Unsubscribe: <https://ffmpeg.org/mailman/options/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=unsubscribe> List-Archive: <https://ffmpeg.org/pipermail/ffmpeg-devel> List-Post: <mailto:ffmpeg-devel@ffmpeg.org> List-Help: <mailto:ffmpeg-devel-request@ffmpeg.org?subject=help> List-Subscribe: <https://ffmpeg.org/mailman/listinfo/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=subscribe> Reply-To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" <ffmpeg-devel-bounces@ffmpeg.org> Archived-At: <https://master.gitmailbox.com/ffmpegdev/20250502014414.3404-1-jamrial@gmail.com/> List-Archive: <https://master.gitmailbox.com/ffmpegdev/> List-Post: <mailto:ffmpegdev@gitmailbox.com> To take a reference from an existing buffer outside of AVPackets. Signed-off-by: James Almer <jamrial@gmail.com> --- libavcodec/cbs.c | 10 +++++++++- libavcodec/cbs.h | 11 +++++++++++ 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/libavcodec/cbs.c b/libavcodec/cbs.c index c0f6c62d20..b26e3ea3de 100644 --- a/libavcodec/cbs.c +++ b/libavcodec/cbs.c @@ -261,7 +261,7 @@ static int cbs_fill_fragment_data(CodedBitstreamFragment *frag, static int cbs_read_data(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, - AVBufferRef *buf, + const AVBufferRef *buf, const uint8_t *data, size_t size, int header) { @@ -334,6 +334,14 @@ int CBS_FUNC(read)(CodedBitstreamContext *ctx, return cbs_read_data(ctx, frag, NULL, data, size, 0); } + +int CBS_FUNC(read_buf)(CodedBitstreamContext *ctx, + CodedBitstreamFragment *frag, + const AVBufferRef *buf) +{ + return cbs_read_data(ctx, frag, buf, + buf->data, buf->size, 0); +} #endif #if CBS_WRITE diff --git a/libavcodec/cbs.h b/libavcodec/cbs.h index 47818d5c12..8b503fdcce 100644 --- a/libavcodec/cbs.h +++ b/libavcodec/cbs.h @@ -381,6 +381,17 @@ int CBS_FUNC(read)(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const uint8_t *data, size_t size); +/** + * Read a bitstream from a memory region into a fragment, then + * split into units and decompose. + * + * This acts identical to ff_cbs_read() with the addition of an + * AVBufferRef backing the data. + */ +int CBS_FUNC(read_buf)(CodedBitstreamContext *ctx, + CodedBitstreamFragment *frag, + const AVBufferRef *buf); + /** * Write the content of the fragment to its own internal buffer. -- 2.49.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".