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Sat, 30 Mar 2024 10:39:24 -0700 (PDT) Received: from [192.168.0.15] ([190.194.167.233]) by smtp.gmail.com with ESMTPSA id k14-20020aa790ce000000b006e319d8c752sm4852479pfk.150.2024.03.30.10.39.23 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 30 Mar 2024 10:39:23 -0700 (PDT) Message-ID: <6a11a8f9-c4c0-4521-952a-57bc2b0597ac@gmail.com> Date: Sat, 30 Mar 2024 14:39:32 -0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: James Almer To: ffmpeg-devel@ffmpeg.org References: <20240328165250.64259-1-jamrial@gmail.com> Content-Language: en-US In-Reply-To: <20240328165250.64259-1-jamrial@gmail.com> Subject: Re: [FFmpeg-devel] [PATCH 1/7 v5] avutil/frame: add helper for adding side data w/ AVBufferRef to array 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 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On 3/28/2024 1:52 PM, James Almer wrote: > Signed-off-by: James Almer > --- > libavutil/frame.c | 19 +++++++++++++++++++ > libavutil/frame.h | 24 ++++++++++++++++++++++++ > 2 files changed, 43 insertions(+) > > diff --git a/libavutil/frame.c b/libavutil/frame.c > index ef1613c344..87cc8450c8 100644 > --- a/libavutil/frame.c > +++ b/libavutil/frame.c > @@ -812,6 +812,25 @@ AVFrameSideData *av_frame_side_data_new(AVFrameSideData ***sd, int *nb_sd, > return ret; > } > > +AVFrameSideData *av_frame_side_data_add(AVFrameSideData ***sd, int *nb_sd, > + enum AVFrameSideDataType type, > + AVBufferRef **pbuf, unsigned int flags) > +{ > + const AVSideDataDescriptor *desc = av_frame_side_data_desc(type); > + AVFrameSideData *sd_dst = NULL; > + AVBufferRef *buf = *pbuf; > + > + if (flags & AV_FRAME_SIDE_DATA_FLAG_UNIQUE) > + remove_side_data(sd, nb_sd, type); > + > + sd_dst = add_side_data_from_buf(sd, nb_sd, type, buf); > + if (!sd_dst) > + return NULL; > + > + *pbuf = NULL; > + return sd_dst; > +} > + > int av_frame_side_data_clone(AVFrameSideData ***sd, int *nb_sd, > const AVFrameSideData *src, unsigned int flags) > { > diff --git a/libavutil/frame.h b/libavutil/frame.h > index 3b6d746a16..8d16924432 100644 > --- a/libavutil/frame.h > +++ b/libavutil/frame.h > @@ -1062,6 +1062,30 @@ AVFrameSideData *av_frame_side_data_new(AVFrameSideData ***sd, int *nb_sd, > enum AVFrameSideDataType type, > size_t size, unsigned int flags); > > +/** > + * Add a new side data entry to an array from an existing AVBufferRef. > + * > + * @param sd pointer to array of side data to which to add another entry, > + * or to NULL in order to start a new array. > + * @param nb_sd pointer to an integer containing the number of entries in > + * the array. > + * @param type type of the added side data > + * @param buf Pointer to AVBufferRef to add to the array. On success, > + * the function takes ownership of the AVBufferRef and *buf is > + * set to NULL, unless AV_FRAME_SIDE_DATA_FLAG_NEW_REF is set > + * in which case the ownership will remain with the caller. > + * @param flags Some combination of AV_FRAME_SIDE_DATA_FLAG_* flags, or 0. > + * > + * @return newly added side data on success, NULL on error. > + * @note In case of AV_FRAME_SIDE_DATA_FLAG_UNIQUE being set, entries of > + * matching AVFrameSideDataType will be removed before the addition > + * is attempted. > + * > + */ > +AVFrameSideData *av_frame_side_data_add(AVFrameSideData ***sd, int *nb_sd, > + enum AVFrameSideDataType type, > + AVBufferRef **buf, unsigned int flags); > + > /** > * Add a new side data entry to an array based on existing side data, taking > * a reference towards the contained AVBufferRef. 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