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avframe: add AV_FRAME_DATA_MATRIXENCODING side data type.

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Includes a libavcodec utility function to update a frame's side data.
This commit is contained in:
Tim Walker 2013-12-11 02:03:29 +00:00
parent 5c437fb672
commit 5b4797a21d
5 changed files with 36 additions and 1 deletions
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4
doc/APIchanges
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@ -13,6 +13,10 @@ libavutil: 2013-12-xx
API changes, most recent first:
2013-12-xx - xxxxxxx - lavu 53.2.0 - frame.h
Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which
identifies AVMatrixEncoding data.
2013-12-xx - xxxxxxx - lavu 53.1.0 - channel_layout.h
Add values for various Dolby flags to the AVMatrixEncoding enum.

7
libavcodec/internal.h
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@ -27,6 +27,7 @@
#include <stdint.h>
#include "libavutil/buffer.h"
#include "libavutil/channel_layout.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
@ -179,4 +180,10 @@ const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
*/
int ff_set_dimensions(AVCodecContext *s, int width, int height);
/**
* Add or update AV_FRAME_DATA_MATRIXENCODING side data.
*/
int ff_side_data_update_matrix_encoding(AVFrame *frame,
enum AVMatrixEncoding matrix_encoding);
#endif /* AVCODEC_INTERNAL_H */

20
libavcodec/utils.c
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@ -151,6 +151,26 @@ int ff_set_dimensions(AVCodecContext *s, int width, int height)
return ret;
}
int ff_side_data_update_matrix_encoding(AVFrame *frame,
enum AVMatrixEncoding matrix_encoding)
{
AVFrameSideData *side_data;
enum AVMatrixEncoding *data;
side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING);
if (!side_data)
side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING,
sizeof(enum AVMatrixEncoding));
if (!side_data)
return AVERROR(ENOMEM);
data = (enum AVMatrixEncoding*)side_data->data;
*data = matrix_encoding;
return 0;
}
#if HAVE_NEON || ARCH_PPC || HAVE_MMX
# define STRIDE_ALIGN 16
#else

4
libavutil/frame.h
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@ -46,6 +46,10 @@ enum AVFrameSideDataType {
* The data is the AVStereo3D struct defined in libavutil/stereo3d.h.
*/
AV_FRAME_DATA_STEREO3D,
/**
* The data is the AVMatrixEncoding enum defined in libavutil/channel_layout.h.
*/
AV_FRAME_DATA_MATRIXENCODING,
};
typedef struct AVFrameSideData {

2
libavutil/version.h
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@ -54,7 +54,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 53
#define LIBAVUTIL_VERSION_MINOR 1
#define LIBAVUTIL_VERSION_MINOR 2
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \