[FFmpeg-devel] [PATCH 12/17] framesync: switch to child_class_iterate()
Anton Khirnov
anton at khirnov.net
Thu May 28 23:15:54 EEST 2020
---
libavfilter/framesync.c | 7 +++++++
libavfilter/framesync.h | 3 +++
2 files changed, 10 insertions(+)
diff --git a/libavfilter/framesync.c b/libavfilter/framesync.c
index b32a5cba6c..04119d686c 100644
--- a/libavfilter/framesync.c
+++ b/libavfilter/framesync.c
@@ -53,6 +53,13 @@ static const AVClass framesync_class = {
.parent_log_context_offset = OFFSET(parent),
};
+const AVClass *ff_framesync_child_class_iterate(void **iter)
+{
+ const AVClass *c = *iter ? NULL : &framesync_class;
+ *iter = (void*)(uintptr_t)c;
+ return c;
+}
+
enum {
STATE_BOF,
STATE_RUN,
diff --git a/libavfilter/framesync.h b/libavfilter/framesync.h
index 37743cccb7..51bab16285 100644
--- a/libavfilter/framesync.h
+++ b/libavfilter/framesync.h
@@ -297,6 +297,8 @@ int ff_framesync_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1);
*/
int ff_framesync_dualinput_get_writable(FFFrameSync *fs, AVFrame **f0, AVFrame **f1);
+const AVClass *ff_framesync_child_class_iterate(void **iter);
+
#define FRAMESYNC_DEFINE_CLASS(name, context, field) \
static int name##_framesync_preinit(AVFilterContext *ctx) { \
context *s = ctx->priv; \
@@ -318,6 +320,7 @@ static const AVClass name##_class = { \
.version = LIBAVUTIL_VERSION_INT, \
.category = AV_CLASS_CATEGORY_FILTER, \
.child_class_next = name##_child_class_next, \
+ .child_class_iterate = ff_framesync_child_class_iterate, \
.child_next = name##_child_next, \
}
--
2.26.2
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