From: softworkz <softwo...@hotmail.com>
This allows to create AVBufferRef from AVBuffer directly.
Signed-off-by: softworkz <softwo...@hotmail.com>
---
libavutil/buffer.c | 16 ++++++++++++++++
libavutil/buffer.h | 8 ++++++++
2 files changed, 24 insertions(+)
diff --git a/libavutil/buffer.c b/libavutil/buffer.c
index 54590be566..f9df0ad6ea 100644
--- a/libavutil/buffer.c
+++ b/libavutil/buffer.c
@@ -100,6 +100,22 @@ AVBufferRef *av_buffer_allocz(size_t size)
return ret;
}
+AVBufferRef *av_ref_from_buffer(AVBuffer *buf)
+{
+ AVBufferRef *ref = av_mallocz(sizeof(*ref));
+
+ if (!ref)
+ return NULL;
+
+ ref->buffer = buf;
+ ref->data = buf->data;
+ ref->size = buf->size;
+
+ atomic_fetch_add_explicit(&buf->refcount, 1, memory_order_relaxed);
+
+ return ref;
+}
+
AVBufferRef *av_buffer_ref(const AVBufferRef *buf)
{
AVBufferRef *ret = av_mallocz(sizeof(*ret));
diff --git a/libavutil/buffer.h b/libavutil/buffer.h
index e1ef5b7f07..491734b9ca 100644
--- a/libavutil/buffer.h
+++ b/libavutil/buffer.h
@@ -139,6 +139,14 @@ AVBufferRef *av_buffer_create(uint8_t *data, size_t size,
*/
void av_buffer_default_free(void *opaque, uint8_t *data);
+/**
+ * Create a new reference to an AVBuffer.
+ *
+ * @return a new AVBufferRef referring to the same AVBuffer as buf or NULL on
+ * failure.
+ */
+AVBufferRef *av_ref_from_buffer(AVBuffer *buf);
+
/**
* Create a new reference to an AVBuffer.
*
--
ffmpeg-codebot
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