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	API changes, most recent first:	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	2024-04-11 - xxxxxxxxxx - lavu 59.14.100 - frame.h	8	2024-04-11 - xxxxxxxxxx - lavu 59.14.100 - frame.h
6	Add av_frame_side_data_add() and av_frame_side_data_remove().	9	Add av_frame_side_data_add() and av_frame_side_data_remove().
7	Add AV_FRAME_SIDE_DATA_FLAG_REPLACE.	10	Add AV_FRAME_SIDE_DATA_FLAG_REPLACE.

@@ -18,6 +18,7 @@ · 17 unmodified lines
18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19	*/	19	*/
20		20
		21	#include <stddef.h>
21	#include <stdint.h>	22	#include <stdint.h>
22	#include <string.h>	23	#include <string.h>
23		24
@@ -29,6 +30,18 @@ AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void) · 5 unmodified lines
29	return av_mallocz(sizeof(AVMasteringDisplayMetadata));	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	AVMasteringDisplayMetadata av_mastering_display_metadata_create_side_data(AVFrame frame)	45	AVMasteringDisplayMetadata av_mastering_display_metadata_create_side_data(AVFrame frame)
33	{	46	{
34	AVFrameSideData *side_data = av_frame_new_side_data(frame,	47	AVFrameSideData *side_data = av_frame_new_side_data(frame,

@@ -77,6 +77,15 @@ typedef struct AVMasteringDisplayMetadata { · 76 unmodified lines
77	*/	77	*/
78	AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void);	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	* Allocate a complete AVMasteringDisplayMetadata and add it to the frame.	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	#define LIBAVUTIL_VERSION_MAJOR 59	81	#define LIBAVUTIL_VERSION_MAJOR 59
82	#define LIBAVUTIL_VERSION_MINOR 14	82	#define LIBAVUTIL_VERSION_MINOR 15
83	#define LIBAVUTIL_VERSION_MICRO 100	83	#define LIBAVUTIL_VERSION_MICRO 100
84		84
85	#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \	85	#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

Keyboard shortcuts