Also deprecate av_stereo3d_alloc().
This new alloc function optionally returns the size of the AVStereo3D struct.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavutil/stereo3d.c | 12 ++++++++++++
libavutil/stereo3d.h | 14 ++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/libavutil/stereo3d.c b/libavutil/stereo3d.c
index a538364..bdea287 100644
--- a/libavutil/stereo3d.c
+++ b/libavutil/stereo3d.c
@@ -30,6 +30,18 @@ AVStereo3D *av_stereo3d_alloc(void)
return av_mallocz(sizeof(AVStereo3D));
}
+AVStereo3D *av_stereo3d_alloc2(size_t *size)
+{
+ AVStereo3D *stereo3d = av_mallocz(sizeof(AVStereo3D));
+ if (!stereo3d)
+ return NULL;
+
+ if (size)
+ *size = sizeof(*stereo3d);
+
+ return stereo3d;
+}
+
AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
{
AVFrameSideData *side_data = av_frame_new_side_data(frame,
diff --git a/libavutil/stereo3d.h b/libavutil/stereo3d.h
index 19c5416..d82a4b8 100644
--- a/libavutil/stereo3d.h
+++ b/libavutil/stereo3d.h
@@ -21,8 +21,10 @@
#ifndef AVUTIL_STEREO3D_H
#define AVUTIL_STEREO3D_H
+#include <stddef.h>
#include <stdint.h>
+#include "attributes.h"
#include "frame.h"
/**
@@ -137,10 +139,22 @@ typedef struct AVStereo3D {
* The resulting struct can be freed using av_freep().
*
* @return An AVStereo3D filled with default values or NULL on failure.
+ *
+ * @deprecated Use av_stereo3d_alloc2().
*/
+attribute_deprecated
AVStereo3D *av_stereo3d_alloc(void);
/**
+ * Allocate an AVStereo3D structure and set its fields to default values.
+ * The resulting struct can be freed using av_freep().
+ *
+ * @param size pointer for AVStereo3D structure size to store (optional)
+ * @return An AVStereo3D filled with default values or NULL on failure.
+ */
+AVStereo3D *av_stereo3d_alloc2(size_t *size);
+
+/**
* Allocate a complete AVFrameSideData and add it to the frame.
*
* @param frame The frame which side data is added to.
--
2.10.2
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