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Implement sws_isSupportedInput() and sws_isSupportedOutput(). 

Originally committed as revision 30236 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Stefano Sabatini 2010-01-07 19:07:47 +00:00
parent 31c194e7f9
commit 8e9767f6fd
2 changed files with 26 additions and 2 deletions
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12
libswscale/swscale.c
View File

@ -157,6 +157,12 @@ const char *swscale_license(void)
|| (x)==PIX_FMT_YUV422P16BE \
|| (x)==PIX_FMT_YUV444P16BE \
)
int sws_isSupportedInput(enum PixelFormat pix_fmt)
{
return isSupportedIn(pix_fmt);
}
#define isSupportedOut(x) ( \
(x)==PIX_FMT_YUV420P \
|| (x)==PIX_FMT_YUVA420P \
@ -181,6 +187,12 @@ const char *swscale_license(void)
|| (x)==PIX_FMT_YUV422P16BE \
|| (x)==PIX_FMT_YUV444P16BE \
)
int sws_isSupportedOutput(enum PixelFormat pix_fmt)
{
return isSupportedOut(pix_fmt);
}
#define isPacked(x) ( \
(x)==PIX_FMT_PAL8 \
|| (x)==PIX_FMT_YUYV422 \

16
libswscale/swscale.h
View File

@ -30,8 +30,8 @@
#include "libavutil/avutil.h"
#define LIBSWSCALE_VERSION_MAJOR 0
#define LIBSWSCALE_VERSION_MINOR 7
#define LIBSWSCALE_VERSION_MICRO 2
#define LIBSWSCALE_VERSION_MINOR 8
#define LIBSWSCALE_VERSION_MICRO 0
#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
LIBSWSCALE_VERSION_MINOR, \
@ -122,6 +122,18 @@ typedef struct {
struct SwsContext;
/**
* Returns a positive value if pix_fmt is a supported input format, 0
* otherwise.
*/
int sws_isSupportedInput(enum PixelFormat pix_fmt);
/**
* Returns a positive value if pix_fmt is a supported output format, 0
* otherwise.
*/
int sws_isSupportedOutput(enum PixelFormat pix_fmt);
/**
* Frees the swscaler context swsContext.
* If swsContext is NULL, then does nothing.