avutil/mastering_display_metadata: add a new allocator function that returns a size

av_mastering_display_metadata_alloc() is not useful in scenarios where you need to know the runtime size of AVMasteringDisplayMetadata.

James Almer committed 2 years ago

Commit 6d760c61 parent adb67bb4 files · +26 −1Browse files

Unified · Split

4 files

@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07 · 1 unmodified line
2	2
3	3	API changes, most recent first:
4	4
	5	+2024-04-11 - xxxxxxxxxx - lavu 59.15.100 - frame.h
	6	+ Add av_mastering_display_metadata_alloc_size().
	7	+
5	8	2024-04-11 - xxxxxxxxxx - lavu 59.14.100 - frame.h
6	9	Add av_frame_side_data_add() and av_frame_side_data_remove().
7	10	Add AV_FRAME_SIDE_DATA_FLAG_REPLACE.

@@ -18,6 +18,7 @@ · 17 unmodified lines
18	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19	19	*/
20	20
	21	+#include <stddef.h>
21	22	#include <stdint.h>
22	23	#include <string.h>
23	24
@@ -29,6 +30,18 @@ AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void) · 5 unmodified lines
29	30	return av_mallocz(sizeof(AVMasteringDisplayMetadata));
30	31	}
31	32
	33	+AVMasteringDisplayMetadata av_mastering_display_metadata_alloc_size(size_t size)
	34	+{
	35	+ AVMasteringDisplayMetadata *mastering = av_mallocz(sizeof(AVMasteringDisplayMetadata));
	36	+ if (!mastering)
	37	+ return NULL;
	38	+
	39	+ if (size)
	40	+ size = sizeof(mastering);
	41	+
	42	+ return mastering;
	43	+}
	44	+
32	45	AVMasteringDisplayMetadata av_mastering_display_metadata_create_side_data(AVFrame frame)
33	46	{
34	47	AVFrameSideData *side_data = av_frame_new_side_data(frame,

@@ -77,6 +77,15 @@ typedef struct AVMasteringDisplayMetadata { · 76 unmodified lines
77	77	*/
78	78	AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void);
79	79
	80	+/**
	81	+ * Allocate an AVMasteringDisplayMetadata structure and set its fields to
	82	+ * default values. The resulting struct can be freed using av_freep().
	83	+ *
	84	+ * @return An AVMasteringDisplayMetadata filled with default values or NULL
	85	+ * on failure.
	86	+ */
	87	+AVMasteringDisplayMetadata av_mastering_display_metadata_alloc_size(size_t size);
	88	+
80	89	/**
81	90	* Allocate a complete AVMasteringDisplayMetadata and add it to the frame.
82	91	*

@@ -79,7 +79,7 @@ · 78 unmodified lines
79	79	*/
80	80
81	81	#define LIBAVUTIL_VERSION_MAJOR 59
82		−#define LIBAVUTIL_VERSION_MINOR 14
	82	+#define LIBAVUTIL_VERSION_MINOR 15
83	83	#define LIBAVUTIL_VERSION_MICRO 100
84	84
85	85	#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

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