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Code Issues Releases Activity

Implement av_get_pix_fmt(), and deprecate avcodec_get_pix_fmt().

Browse Source 
Originally committed as revision 21545 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
2010-01-30 18:50:00 +00:00
parent 7b0b81a16d
commit 80a07f6e47
5 changed files with 59 additions and 32 deletions
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6
libavcodec/avcodec.h
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@@ -2995,6 +2995,7 @@ void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *
const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt);
void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
#if LIBAVCODEC_VERSION_MAJOR < 53
/**
* Returns the pixel format corresponding to the name name.
*
@@ -3005,8 +3006,11 @@ void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
* then for "gray16le".
*
* Finally if no pixel format has been found, returns PIX_FMT_NONE.
*
* @deprecated Deprecated in favor of av_get_pix_fmt().
*/
enum PixelFormat avcodec_get_pix_fmt(const char* name);
attribute_deprecated enum PixelFormat avcodec_get_pix_fmt(const char* name);
#endif
/**
* Returns a value representing the fourCC code associated to the

33
libavcodec/imgconvert.c
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@@ -391,39 +391,12 @@ const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt)
return av_pix_fmt_descriptors[pix_fmt].name;
}
static enum PixelFormat avcodec_get_pix_fmt_internal(const char *name)
{
int i;
for (i=0; i < PIX_FMT_NB; i++)
if (av_pix_fmt_descriptors[i].name && !strcmp(av_pix_fmt_descriptors[i].name, name))
return i;
return PIX_FMT_NONE;
}
#if HAVE_BIGENDIAN
# define X_NE(be, le) be
#else
# define X_NE(be, le) le
#endif
#if LIBAVCODEC_VERSION_MAJOR < 53
enum PixelFormat avcodec_get_pix_fmt(const char *name)
{
enum PixelFormat pix_fmt;
if (!strcmp(name, "rgb32"))
name = X_NE("argb", "bgra");
else if (!strcmp(name, "bgr32"))
name = X_NE("abgr", "rgba");
pix_fmt = avcodec_get_pix_fmt_internal(name);
if (pix_fmt == PIX_FMT_NONE) {
char name2[32];
snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
pix_fmt = avcodec_get_pix_fmt_internal(name2);
}
return pix_fmt;
return av_get_pix_fmt(name);
}
#endif
void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt)
{

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 50
#define LIBAVUTIL_VERSION_MINOR 7
#define LIBAVUTIL_VERSION_MINOR 8
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

37
libavutil/pixdesc.c
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@@ -654,6 +654,43 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
},
};
static enum PixelFormat get_pix_fmt_internal(const char *name)
{
enum PixelFormat pix_fmt;
for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
if (av_pix_fmt_descriptors[pix_fmt].name &&
!strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
return pix_fmt;
return PIX_FMT_NONE;
}
#if HAVE_BIGENDIAN
# define X_NE(be, le) be
#else
# define X_NE(be, le) le
#endif
enum PixelFormat av_get_pix_fmt(const char *name)
{
enum PixelFormat pix_fmt;
if (!strcmp(name, "rgb32"))
name = X_NE("argb", "bgra");
else if (!strcmp(name, "bgr32"))
name = X_NE("abgr", "rgba");
pix_fmt = get_pix_fmt_internal(name);
if (pix_fmt == PIX_FMT_NONE) {
char name2[32];
snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
pix_fmt = get_pix_fmt_internal(name2);
}
return pix_fmt;
}
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
{
int c, bits = 0;

13
libavutil/pixdesc.h
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@@ -202,6 +202,19 @@ static inline void write_line(const uint16_t *src, uint8_t *data[4], const int l
}
}
/**
* Returns the pixel format corresponding to name.
*
* If there is no pixel format with name name, then looks for a
* pixel format with the name corresponding to the native endian
* format of name.
* For example in a little-endian system, first looks for "gray16",
* then for "gray16le".
*
* Finally if no pixel format has been found, returns PIX_FMT_NONE.
*/
enum PixelFormat av_get_pix_fmt(const char *name);
/**
* Returns the number of bits per pixel used by the pixel format
* described by pixdesc.