Add an isALPHA macro to check if pixel format has alpha channel

Originally committed as revision 28747 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
pull/126/head
Cédric Schieli 16 years ago
parent 2c89734255
commit c27516003f
  1. 7
      libswscale/swscale_internal.h

@ -273,6 +273,13 @@ const char *sws_format_name(int format);
|| (x)==PIX_FMT_MONOBLACK \
|| (x)==PIX_FMT_MONOWHITE \
)
#define isALPHA(x) ( \
(x)==PIX_FMT_BGR32 \
|| (x)==PIX_FMT_BGR32_1 \
|| (x)==PIX_FMT_RGB32 \
|| (x)==PIX_FMT_RGB32_1 \
|| (x)==PIX_FMT_YUVA420P \
)
static inline int fmt_depth(int fmt)
{

Loading…
Cancel
Save