diff options
Diffstat (limited to 'libswscale/swscale.h')
| -rw-r--r-- | libswscale/swscale.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libswscale/swscale.h b/libswscale/swscale.h index 53e4489fdf..dbc1cd5c0e 100644 --- a/libswscale/swscale.h +++ b/libswscale/swscale.h @@ -149,6 +149,16 @@ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, int verbose); void sws_freeFilter(SwsFilter *filter); +/** + * Checks if context is valid or reallocs a new one instead. + * If context is NULL, just calls sws_getContext() to get a new one. + * Otherwise, checks if the parameters are the ones already saved in context. + * If that is the case, returns the current context. + * Otherwise, frees context and gets a new one. + * + * Be warned that srcFilter, dstFilter are not checked, they are + * asumed to remain valid. + */ struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags, |