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Steve Lhomme
VLC
Commits
4e34f941
Commit
4e34f941
authored
Aug 05, 2009
by
Laurent Aimar
Browse files
Added YUV fourcc helpers mainly for vout.
parent
76c81b47
Changes
3
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Inline
Side-by-side
include/vlc_fourcc.h
View file @
4e34f941
...
...
@@ -350,5 +350,20 @@ VLC_EXPORT( vlc_fourcc_t, vlc_fourcc_GetCodecAudio, ( vlc_fourcc_t i_fourcc, int
*/
VLC_EXPORT
(
const
char
*
,
vlc_fourcc_GetDescription
,
(
int
i_cat
,
vlc_fourcc_t
i_fourcc
)
);
/**
* It returns a list (terminated with the value 0) of YUV fourccs in
* decreasing priority order for the given chroma.
*
* It will always return a non NULL pointer that must not freed.
*/
VLC_EXPORT
(
const
vlc_fourcc_t
*
,
vlc_fourcc_GetYUVFallback
,
(
vlc_fourcc_t
)
);
/**
* It returns true if the two fourccs are equivalent if their U&V planes are
* swapped.
*/
VLC_EXPORT
(
bool
,
vlc_fourcc_AreUVPlanesSwapped
,
(
vlc_fourcc_t
,
vlc_fourcc_t
)
);
#endif
/* _VLC_FOURCC_H */
src/libvlccore.sym
View file @
4e34f941
...
...
@@ -483,6 +483,8 @@ vlc_fourcc_GetCodec
vlc_fourcc_GetCodecAudio
vlc_fourcc_GetCodecFromString
vlc_fourcc_GetDescription
vlc_fourcc_GetYUVFallback
vlc_fourcc_AreUVPlanesSwapped
vlc_gai_strerror
vlc_gc_init
vlc_getaddrinfo
...
...
src/misc/fourcc.c
View file @
4e34f941
...
...
@@ -1283,3 +1283,156 @@ const char *vlc_fourcc_GetDescription( int i_cat, vlc_fourcc_t i_fourcc )
return
e
.
psz_description
;
}
/* */
#define VLC_CODEC_YUV_PLANAR_420 \
VLC_CODEC_I420, VLC_CODEC_YV12, VLC_CODEC_J420
#define VLC_CODEC_YUV_PLANAR_422 \
VLC_CODEC_I422, VLC_CODEC_J422
#define VLC_CODEC_YUV_PLANAR_440 \
VLC_CODEC_I440, VLC_CODEC_J440
#define VLC_CODEC_YUV_PLANAR_444 \
VLC_CODEC_I444, VLC_CODEC_J444
#define VLC_CODEC_YUV_PACKED \
VLC_CODEC_YUYV, VLC_CODEC_YVYU, \
VLC_CODEC_UYVY, VLC_CODEC_VYUY
#define VLC_CODEC_FALLBACK_420 \
VLC_CODEC_YUV_PLANAR_422, VLC_CODEC_YUV_PACKED, \
VLC_CODEC_YUV_PLANAR_444, VLC_CODEC_YUV_PLANAR_440, \
VLC_CODEC_I411, VLC_CODEC_I410, VLC_CODEC_Y211
static
const
vlc_fourcc_t
p_I420_fallback
[]
=
{
VLC_CODEC_I420
,
VLC_CODEC_YV12
,
VLC_CODEC_J420
,
VLC_CODEC_FALLBACK_420
,
0
};
static
const
vlc_fourcc_t
p_J420_fallback
[]
=
{
VLC_CODEC_J420
,
VLC_CODEC_I420
,
VLC_CODEC_YV12
,
VLC_CODEC_FALLBACK_420
,
0
};
static
const
vlc_fourcc_t
p_YV12_fallback
[]
=
{
VLC_CODEC_YV12
,
VLC_CODEC_I420
,
VLC_CODEC_J420
,
VLC_CODEC_FALLBACK_420
,
0
};
#define VLC_CODEC_FALLBACK_422 \
VLC_CODEC_YUV_PACKED, VLC_CODEC_YUV_PLANAR_420, \
VLC_CODEC_YUV_PLANAR_444, VLC_CODEC_YUV_PLANAR_440, \
VLC_CODEC_I411, VLC_CODEC_I410, VLC_CODEC_Y211
static
const
vlc_fourcc_t
p_I422_fallback
[]
=
{
VLC_CODEC_I422
,
VLC_CODEC_J422
,
VLC_CODEC_FALLBACK_422
,
0
};
static
const
vlc_fourcc_t
p_J422_fallback
[]
=
{
VLC_CODEC_J422
,
VLC_CODEC_I422
,
VLC_CODEC_FALLBACK_422
,
0
};
#define VLC_CODEC_FALLBACK_444 \
VLC_CODEC_YUV_PLANAR_422, VLC_CODEC_YUV_PACKED, \
VLC_CODEC_YUV_PLANAR_420, VLC_CODEC_YUV_PLANAR_440, \
VLC_CODEC_I411, VLC_CODEC_I410, VLC_CODEC_Y211
static
const
vlc_fourcc_t
p_I444_fallback
[]
=
{
VLC_CODEC_I444
,
VLC_CODEC_J444
,
VLC_CODEC_FALLBACK_444
,
0
};
static
const
vlc_fourcc_t
p_J444_fallback
[]
=
{
VLC_CODEC_J444
,
VLC_CODEC_I444
,
VLC_CODEC_FALLBACK_444
,
0
};
static
const
vlc_fourcc_t
p_I440_fallback
[]
=
{
VLC_CODEC_I440
,
VLC_CODEC_YUV_PLANAR_420
,
VLC_CODEC_YUV_PLANAR_422
,
VLC_CODEC_YUV_PLANAR_444
,
VLC_CODEC_YUV_PACKED
,
VLC_CODEC_I411
,
VLC_CODEC_I410
,
VLC_CODEC_Y211
,
};
#define VLC_CODEC_FALLBACK_PACKED \
VLC_CODEC_YUV_PLANAR_422, VLC_CODEC_YUV_PLANAR_420, \
VLC_CODEC_YUV_PLANAR_444, VLC_CODEC_YUV_PLANAR_440, \
VLC_CODEC_I411, VLC_CODEC_I410, VLC_CODEC_Y211
static
const
vlc_fourcc_t
p_YUYV_fallback
[]
=
{
VLC_CODEC_YUYV
,
VLC_CODEC_YVYU
,
VLC_CODEC_UYVY
,
VLC_CODEC_VYUY
,
VLC_CODEC_FALLBACK_PACKED
,
0
};
static
const
vlc_fourcc_t
p_YVYU_fallback
[]
=
{
VLC_CODEC_YVYU
,
VLC_CODEC_YUYV
,
VLC_CODEC_UYVY
,
VLC_CODEC_VYUY
,
VLC_CODEC_FALLBACK_PACKED
,
0
};
static
const
vlc_fourcc_t
p_UYVY_fallback
[]
=
{
VLC_CODEC_UYVY
,
VLC_CODEC_VYUY
,
VLC_CODEC_YUYV
,
VLC_CODEC_YVYU
,
VLC_CODEC_FALLBACK_PACKED
,
0
};
static
const
vlc_fourcc_t
p_VYUY_fallback
[]
=
{
VLC_CODEC_VYUY
,
VLC_CODEC_UYVY
,
VLC_CODEC_YUYV
,
VLC_CODEC_YVYU
,
VLC_CODEC_FALLBACK_PACKED
,
0
};
static
const
vlc_fourcc_t
*
pp_YUV_fallback
[]
=
{
p_YV12_fallback
,
p_I420_fallback
,
p_J420_fallback
,
p_I422_fallback
,
p_J422_fallback
,
p_I444_fallback
,
p_J444_fallback
,
p_I440_fallback
,
p_YUYV_fallback
,
p_YVYU_fallback
,
p_UYVY_fallback
,
p_VYUY_fallback
,
NULL
,
};
static
const
vlc_fourcc_t
p_list_YUV
[]
=
{
VLC_CODEC_YUV_PLANAR_420
,
VLC_CODEC_YUV_PLANAR_422
,
VLC_CODEC_YUV_PLANAR_440
,
VLC_CODEC_YUV_PLANAR_444
,
VLC_CODEC_YUV_PACKED
,
VLC_CODEC_I411
,
VLC_CODEC_I410
,
VLC_CODEC_Y211
,
0
,
};
const
vlc_fourcc_t
*
vlc_fourcc_GetYUVFallback
(
vlc_fourcc_t
i_fourcc
)
{
for
(
unsigned
i
=
0
;
pp_YUV_fallback
[
i
];
i
++
)
{
if
(
pp_YUV_fallback
[
i
][
0
]
==
i_fourcc
)
return
pp_YUV_fallback
[
i
];
}
return
p_list_YUV
;
}
bool
vlc_fourcc_AreUVPlanesSwapped
(
vlc_fourcc_t
a
,
vlc_fourcc_t
b
)
{
return
(((
a
==
VLC_CODEC_I420
||
a
==
VLC_CODEC_J420
)
&&
b
==
VLC_CODEC_YV12
)
||
((
b
==
VLC_CODEC_I420
||
b
==
VLC_CODEC_J420
)
&&
a
==
VLC_CODEC_YV12
));
}
#if 0
static inline bool vlc_fourcc_IsYUV(vlc_fourcc_t fcc)
{
for( unsigned i = 0; p_list_YUV[i]; i++ )
{
if( p_list_YUV[i] == fcc )
return true;
}
return false;
}
#endif
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