[FFmpeg-cvslog] swscale/swscale_unscaled: fix alpha values for rgb/bgr -> RGB32_1 / BGR32_1

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Sep 19 23:09:16 2013 +0200| [13eff473adb00cc44d1a1800070f4c928e08b15b] | committer: Michael Niedermayer

swscale/swscale_unscaled: fix alpha values for rgb/bgr -> RGB32_1 / BGR32_1

Found-by: Justin Ruggles
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=13eff473adb00cc44d1a1800070f4c928e08b15b
---

 libswscale/swscale_unscaled.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c
index 92b7357..8fb2157 100644
--- a/libswscale/swscale_unscaled.c
+++ b/libswscale/swscale_unscaled.c
@@ -879,8 +879,13 @@ static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
             srcPtr += ALT32_CORR;
 
         if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
-            !isRGBA32(srcFormat))
+            !isRGBA32(srcFormat)) {
+            int i;
+            av_assert0(ALT32_CORR == 1);
+            for (i = 0; i < srcSliceH; i++)
+                dstPtr[dstStride[0] * (srcSliceY + i)] = 255;
             dstPtr += ALT32_CORR;
+        }
 
         if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
             !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)