From: softworkz <softworkz@hotmail.com> This allows to create AVBufferRef from AVBuffer directly. Signed-off-by: softworkz <softworkz@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