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lavu: add av_get_pix_fmt_name() convenience function

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Also deprecate avcodec_get_pix_fmt_name() in its favor.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Stefano Sabatini 2011-05-28 02:39:20 +02:00 committed by Ronald S. Bultje
parent 26513856d6
commit 8f653e28f5
7 changed files with 34 additions and 5 deletions
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4
doc/APIchanges
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@ -13,6 +13,10 @@ libavutil: 2011-04-18
API changes, most recent first:
2011-05-XX - xxxxxx - lavu 51.X.0 - pixdesc.h
Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
Add fps_probe_size to AVFormatContext.

8
libavcodec/avcodec.h
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@ -3306,7 +3306,15 @@ int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width,
*/
int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height);
void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *v_shift);
#if FF_API_GET_PIX_FMT_NAME
/**
* @deprecated Deprecated in favor of av_get_pix_fmt_name().
*/
attribute_deprecated
const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt);
#endif
void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
/**

7
libavcodec/imgconvert.c
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@ -417,13 +417,12 @@ void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *
*v_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
}
#if FF_API_GET_PIX_FMT_NAME
const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt)
{
if ((unsigned)pix_fmt >= PIX_FMT_NB)
return NULL;
else
return av_pix_fmt_descriptors[pix_fmt].name;
return av_get_pix_fmt_name(pix_fmt);
}
#endif
int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt)
{

3
libavcodec/version.h
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@ -65,5 +65,8 @@
#ifndef FF_API_FLAC_GLOBAL_OPTS
#define FF_API_FLAC_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_GET_PIX_FMT_NAME
#define FF_API_GET_PIX_FMT_NAME (LIBAVCODEC_VERSION_MAJOR < 54)
#endif
#endif /* AVCODEC_VERSION_H */

2
libavutil/avutil.h
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@ -40,7 +40,7 @@
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 51
#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, \

6
libavutil/pixdesc.c
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@ -906,6 +906,12 @@ static enum PixelFormat get_pix_fmt_internal(const char *name)
return PIX_FMT_NONE;
}
const char *av_get_pix_fmt_name(enum PixelFormat pix_fmt)
{
return (unsigned)pix_fmt < PIX_FMT_NB ?
av_pix_fmt_descriptors[pix_fmt].name : NULL;
}
#if HAVE_BIGENDIAN
# define X_NE(be, le) be
#else

9
libavutil/pixdesc.h
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@ -23,6 +23,7 @@
#define AVUTIL_PIXDESC_H
#include <inttypes.h>
#include "pixfmt.h"
typedef struct AVComponentDescriptor{
uint16_t plane :2; ///< which of the 4 planes contains the component
@ -141,6 +142,14 @@ void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesi
*/
enum PixelFormat av_get_pix_fmt(const char *name);
/**
* Return the short name for a pixel format, NULL in case pix_fmt is
* unknown.
*
* @see av_get_pix_fmt(), av_get_pix_fmt_string()
*/
const char *av_get_pix_fmt_name(enum PixelFormat pix_fmt);
/**
* Print in buf the string corresponding to the pixel format with
* number pix_fmt, or an header if pix_fmt is negative.