API changes, most recent first:
+2020-xx-xx - xxxxxxxxxx - lavu 56.60.100 - buffer.h
+ Add a av_buffer_replace() convenience function.
+
2020-09-xx - xxxxxxxxxx - lavu 56.59.100 - timecode.h
Add av_timecode_make_smpte_tc_string2.
return 0;
}
+int av_buffer_replace(AVBufferRef **pdst, AVBufferRef *src)
+{
+ AVBufferRef *dst = *pdst;
+ AVBufferRef *tmp;
+
+ if (!src) {
+ av_buffer_unref(pdst);
+ return 0;
+ }
+
+ if (dst && dst->buffer == src->buffer) {
+ /* make sure the data pointers match */
+ dst->data = src->data;
+ dst->size = src->size;
+ return 0;
+ }
+
+ tmp = av_buffer_ref(src);
+ if (!tmp)
+ return AVERROR(ENOMEM);
+
+ av_buffer_unref(pdst);
+ *pdst = tmp;
+ return 0;
+}
+
AVBufferPool *av_buffer_pool_init2(int size, void *opaque,
AVBufferRef* (*alloc)(void *opaque, int size),
void (*pool_free)(void *opaque))
*/
int av_buffer_realloc(AVBufferRef **buf, int size);
+/**
+ * Ensure dst refers to the same data as src.
+ *
+ * When *dst is already equivalent to src, do nothing. Otherwise unreference dst
+ * and replace it with a new reference to src.
+ *
+ * @param dst Pointer to either a valid buffer reference or NULL. On success,
+ * this will point to a buffer reference equivalent to src. On
+ * failure, dst will be left untouched.
+ * @param src A buffer reference to replace dst with. May be NULL, then this
+ * function is equivalent to av_buffer_unref(dst).
+ * @return 0 on success
+ * AVERROR(ENOMEM) on memory allocation failure.
+ */
+int av_buffer_replace(AVBufferRef **dst, AVBufferRef *src);
+
/**
* @}
*/
*/
#define LIBAVUTIL_VERSION_MAJOR 56
-#define LIBAVUTIL_VERSION_MINOR 59
+#define LIBAVUTIL_VERSION_MINOR 60
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \