[FFmpeg-devel] [PATCH 1/7 v5] avutil/frame: add helper for adding side data w/ AVBufferRef to array
James Almer
jamrial at gmail.com
Thu Apr 11 05:35:49 EEST 2024
On 3/30/2024 2:39 PM, James Almer wrote:
> On 3/28/2024 1:52 PM, James Almer wrote:
>> Signed-off-by: James Almer <jamrial at gmail.com>
>> ---
>> 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.
>
> Ping for the set.
Will apply the set soon.
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