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-rw-r--r--libavutil/buffer.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/libavutil/buffer.h b/libavutil/buffer.h
index 56b4d020e5..b4399fd39f 100644
--- a/libavutil/buffer.h
+++ b/libavutil/buffer.h
@@ -1,18 +1,18 @@
/*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -49,7 +49,7 @@
* Use av_buffer_unref() to free a reference (this will automatically free the
* data once all the references are freed).
*
- * The convention throughout this API and the rest of Libav is such that the
+ * The convention throughout this API and the rest of FFmpeg is such that the
* buffer is considered writable if there exists only one reference to it (and
* it has not been marked as read-only). The av_buffer_is_writable() function is
* provided to check whether this is true and av_buffer_make_writable() will
@@ -122,7 +122,7 @@ AVBufferRef *av_buffer_allocz(int size);
* @param data data array
* @param size size of data in bytes
* @param free a callback for freeing this buffer's data
- * @param opaque parameter to be passed to free
+ * @param opaque parameter to be got for processing or passed to free
* @param flags a combination of AV_BUFFER_FLAG_*
*
* @return an AVBufferRef referring to data on success, NULL on failure.
@@ -163,6 +163,13 @@ void av_buffer_unref(AVBufferRef **buf);
int av_buffer_is_writable(const AVBufferRef *buf);
/**
+ * @return the opaque parameter set by av_buffer_create.
+ */
+void *av_buffer_get_opaque(const AVBufferRef *buf);
+
+int av_buffer_get_ref_count(const AVBufferRef *buf);
+
+/**
* Create a writable reference from a given buffer reference, avoiding data copy
* if possible.
*