Hi On Sun, Aug 18, 2024 at 01:26:53PM +0200, Anton Khirnov wrote: > --- > libavutil/opt.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 75 insertions(+), 3 deletions(-) > > diff --git a/libavutil/opt.h b/libavutil/opt.h > index 07e27a9208..23bc495158 100644 > --- a/libavutil/opt.h > +++ b/libavutil/opt.h > @@ -240,26 +240,98 @@ > * before the file is actually opened. > */ > > +/** > + * An option type determines: > + * - for native access, the underlying C type of the field that an AVOption > + * refers to; > + * - for foreign access, the semantics of accessing the option through this > API, > + * e.g. which av_opt_get_*() and av_opt_set_*() functions can be called, or > + * what format will av_opt_get()/av_opt_set() expect/produce.
"foreign access" ? is this a standard/ common term ?
if not, maybe somone has a more descriptive more common term/idea
> + */
> enum AVOptionType{
> + /**
> + * Underlying C type is unsigned int.
> + */
> AV_OPT_TYPE_FLAGS = 1,
> + /**
> + * Underlying C type is int.
> + */
> AV_OPT_TYPE_INT,
> + /**
> + * Underlying C type is int64_t.
> + */
> AV_OPT_TYPE_INT64,
> + /**
> + * Underlying C type is double.
> + */
> AV_OPT_TYPE_DOUBLE,
> + /**
> + * Underlying C type is float.
> + */
> AV_OPT_TYPE_FLOAT,
> + /**
> + * Underlying C type is a uint8_t* that is either NULL or points to a C
> + * string allocated with the av_malloc() family of functions.
> + */
> AV_OPT_TYPE_STRING,
> + /**
> + * Underlying C type is AVRational.
> + */
> AV_OPT_TYPE_RATIONAL,
> - AV_OPT_TYPE_BINARY, ///< offset must point to a pointer immediately
> followed by an int for the length
> + /**
> + * Underlying C type is a uint8_t* that is either NULL or points to an
> array
> + * allocated with the av_malloc() family of functions. The pointer is
> + * immediately followed by an int containing the array length in bytes.
> + */
> + AV_OPT_TYPE_BINARY,
> + /**
> + * Underlying C type is AVDictionary*.
> + */
> AV_OPT_TYPE_DICT,
> + /**
> + * Underlying C type is uint64_t.
> + */
> AV_OPT_TYPE_UINT64,
> + /**
> + * Special option type for declaring named constants. Does not
> correspond to
> + * an actual field in the object, offset must be 0.
> + */
> AV_OPT_TYPE_CONST,
> - AV_OPT_TYPE_IMAGE_SIZE, ///< offset must point to two consecutive ints
> + /**
> + * Underlying C type is two consecutive integers.
> + */
> + AV_OPT_TYPE_IMAGE_SIZE,
> + /**
> + * Underlying C type is enum AVPixelFormat.
> + */
> AV_OPT_TYPE_PIXEL_FMT,
> + /**
> + * Underlying C type is enum AVSampleFormat.
> + */
> AV_OPT_TYPE_SAMPLE_FMT,
> - AV_OPT_TYPE_VIDEO_RATE, ///< offset must point to AVRational
> + /**
> + * Underlying C type is AVRational.
> + */
> + AV_OPT_TYPE_VIDEO_RATE,
> + /**
> + * Underlying C type is int64_t.
> + */
> AV_OPT_TYPE_DURATION,
> + /**
> + * Underlying C type is uint8_t[4].
> + */
> AV_OPT_TYPE_COLOR,
> + /**
> + * Underlying C type is int.
> + */
> AV_OPT_TYPE_BOOL,
> + /**
> + * Underlying C type is AVChannelLayout.
> + */
> AV_OPT_TYPE_CHLAYOUT,
> + /**
> + * Underlying C type is unsigned int.
> + */
> AV_OPT_TYPE_UINT,
>
> /**
LGTM
thx
[...]
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Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
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