diff options
| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-09-11 17:34:39 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-09-23 21:12:37 +0200 |
| commit | b368a774ddac8dc3e97d1206f6ee8c01a81edcab (patch) | |
| tree | b39da75bae443cc6bc26510e9a5823a0112a0265 /libavfilter/framesync.h | |
| parent | 6e26015a6b34f954065d4be8a29ad7941334c490 (diff) | |
avfilter/framesync: Separate framesync AVClass and auxiliary functions
Will be useful for deduplication.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavfilter/framesync.h')
| -rw-r--r-- | libavfilter/framesync.h | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/libavfilter/framesync.h b/libavfilter/framesync.h index fb85e8aec7..a1db87187e 100644 --- a/libavfilter/framesync.h +++ b/libavfilter/framesync.h @@ -299,25 +299,36 @@ int ff_framesync_dualinput_get_writable(FFFrameSync *fs, AVFrame **f0, AVFrame * const AVClass *ff_framesync_child_class_iterate(void **iter); -#define FRAMESYNC_DEFINE_CLASS(name, context, field) \ -static int name##_framesync_preinit(AVFilterContext *ctx) { \ +#define FRAMESYNC_DEFINE_PURE_CLASS(name, desc, func_prefix, options) \ +static const AVClass name##_class = { \ + .class_name = desc, \ + .item_name = av_default_item_name, \ + .option = options, \ + .version = LIBAVUTIL_VERSION_INT, \ + .category = AV_CLASS_CATEGORY_FILTER, \ + .child_class_iterate = ff_framesync_child_class_iterate, \ + .child_next = func_prefix##_child_next, \ +} + +#define FRAMESYNC_AUXILIARY_FUNCS(func_prefix, context, field) \ +static int func_prefix##_framesync_preinit(AVFilterContext *ctx) \ +{ \ context *s = ctx->priv; \ ff_framesync_preinit(&s->field); \ return 0; \ } \ -static void *name##_child_next(void *obj, void *prev) { \ +static void *func_prefix##_child_next(void *obj, void *prev) \ +{ \ context *s = obj; \ s->fs.class = ff_framesync_get_class(); /* FIXME */ \ return prev ? NULL : &s->field; \ -} \ -static const AVClass name##_class = { \ - .class_name = #name, \ - .item_name = av_default_item_name, \ - .option = name##_options, \ - .version = LIBAVUTIL_VERSION_INT, \ - .category = AV_CLASS_CATEGORY_FILTER, \ - .child_class_iterate = ff_framesync_child_class_iterate, \ - .child_next = name##_child_next, \ } +#define FRAMESYNC_DEFINE_CLASS_EXT(name, context, field, options) \ +FRAMESYNC_AUXILIARY_FUNCS(name, context, field) \ +FRAMESYNC_DEFINE_PURE_CLASS(name, #name, name, options) + +#define FRAMESYNC_DEFINE_CLASS(name, context, field) \ +FRAMESYNC_DEFINE_CLASS_EXT(name, context, field, name##_options) + #endif /* AVFILTER_FRAMESYNC_H */ |