From patchwork Wed Dec 19 01:40:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 11468 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id B06D544DD36 for ; Wed, 19 Dec 2018 03:41:44 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DEDA368ABE5; Wed, 19 Dec 2018 03:41:44 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe08-2.mx.upcmail.net (vie01a-dmta-pe08-2.mx.upcmail.net [84.116.36.21]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 52DEF68A97D for ; Wed, 19 Dec 2018 03:41:37 +0200 (EET) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe08.mx.upcmail.net with esmtp (Exim 4.88) (envelope-from ) id 1gZQrj-0000CG-0U for ffmpeg-devel@ffmpeg.org; Wed, 19 Dec 2018 02:41:39 +0100 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id ZQqkgdsYg2WSsZQqkg7Bv5; Wed, 19 Dec 2018 02:40:39 +0100 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.41.20 X-CNFS-Analysis: v=2.3 cv=E7kcWpVl c=1 sm=1 tr=0 a=I1eytVlZLDX1BM2VTtTtSw==:117 a=I1eytVlZLDX1BM2VTtTtSw==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=pk_5PQSWaWoHs8csAUkA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Wed, 19 Dec 2018 02:40:20 +0100 Message-Id: <20181219014020.16299-3-michael@niedermayer.cc> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181219014020.16299-1-michael@niedermayer.cc> References: <20181219014020.16299-1-michael@niedermayer.cc> MIME-Version: 1.0 X-CMAE-Envelope: MS4wfLPC0gQ5yV2cwmoukpD1CK3DmxA9RdpPATJtjxZATYUFSpxLQXVMNrGNFYAQcuK9Fe4pZmQAOFSFBWKm3QhDj5sqTMD8ERmjKX+2WIRhJHW5/Ybd2gwq fPkT0SEBewa/HhGMFGLWGwgfgvE2WuNArEjtp3EuyfUPfQafNoSW3YP9 Subject: [FFmpeg-devel] [PATCH 3/3] avcodec/rangecoder: Document ff_rac_terminate() X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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" Signed-off-by: Michael Niedermayer --- libavcodec/rangecoder.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/rangecoder.h b/libavcodec/rangecoder.h index e5c7a3cc71..4495f6df1a 100644 --- a/libavcodec/rangecoder.h +++ b/libavcodec/rangecoder.h @@ -48,7 +48,15 @@ typedef struct RangeCoder { void ff_init_range_encoder(RangeCoder *c, uint8_t *buf, int buf_size); void ff_init_range_decoder(RangeCoder *c, const uint8_t *buf, int buf_size); + +/** + * Terminates the range coder + * @param version version 0 requires the decoder to know the data size in bytes + * version 1 needs about 1 bit more space but does not need to + * carry the size from encoder to decoder + */ int ff_rac_terminate(RangeCoder *c, int version); + void ff_build_rac_states(RangeCoder *c, int factor, int max_p); static inline void renorm_encoder(RangeCoder *c)