[FFmpeg-devel] [PATCH] sws: Extend API to allow specifying partially supported formats.

[Michael Niedermayer]

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libswscale/swscale.h |    2 ++
 libswscale/utils.c   |    4 ++--
 libswscale/version.h |    2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/libswscale/swscale.h b/libswscale/swscale.h
index 5f6ae0f..4d260e8 100644
--- a/libswscale/swscale.h
+++ b/libswscale/swscale.h
@@ -137,12 +137,14 @@ struct SwsContext;
 /**
  * Return a positive value if pix_fmt is a supported input format, 0
  * otherwise.
+ * A negative value is returned if the format is partially supported.
  */
 int sws_isSupportedInput(enum AVPixelFormat pix_fmt);
 
 /**
  * Return a positive value if pix_fmt is a supported output format, 0
  * otherwise.
+ * A negative value is returned if the format is partially supported.
  */
 int sws_isSupportedOutput(enum AVPixelFormat pix_fmt);
 
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 94a43a2..4c6c767 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -196,8 +196,8 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
     [AV_PIX_FMT_GBRP14BE]    = { 1, 1 },
     [AV_PIX_FMT_GBRP16LE]    = { 1, 0 },
     [AV_PIX_FMT_GBRP16BE]    = { 1, 0 },
-    [AV_PIX_FMT_XYZ12BE]     = { 1, 0 },
-    [AV_PIX_FMT_XYZ12LE]     = { 0, 1 },
+    [AV_PIX_FMT_XYZ12BE]     = {-1, 0 },
+    [AV_PIX_FMT_XYZ12LE]     = { 0,-1 },
 };
 
 int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
diff --git a/libswscale/version.h b/libswscale/version.h
index c430f2d..3e95905 100644
--- a/libswscale/version.h
+++ b/libswscale/version.h
@@ -28,7 +28,7 @@
 
 #define LIBSWSCALE_VERSION_MAJOR 2
 #define LIBSWSCALE_VERSION_MINOR 2
-#define LIBSWSCALE_VERSION_MICRO 100
+#define LIBSWSCALE_VERSION_MICRO 101
 
 #define LIBSWSCALE_VERSION_INT  AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
                                                LIBSWSCALE_VERSION_MINOR, \
-- 
1.7.9.5