Imported Debian version 2.5.0~trusty1.1

[deb_ffmpeg.git] / ffmpeg / libswscale / swscale.c

diff --git a/ffmpeg/libswscale/swscale.c b/ffmpeg/libswscale/swscale.c
index 59ead121d94d9fb2cb001fbb32611073f1605b88..16a31cee40116dab094b5e21435617ec05f66b69 100644 (file)
--- a/ffmpeg/libswscale/swscale.c
+++ b/ffmpeg/libswscale/swscale.c
@@ -27,6 +27,7 @@
 #include "libavutil/avutil.h"
 #include "libavutil/bswap.h"
 #include "libavutil/cpu.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/pixdesc.h"
@@ -804,9 +805,9 @@ static void xyz12Torgb48(struct SwsContext *c, uint16_t *dst,
                 c->xyz2rgb_matrix[2][2] * z >> 12;
 
             // limit values to 12-bit depth
-            r = av_clip_c(r,0,4095);
-            g = av_clip_c(g,0,4095);
-            b = av_clip_c(b,0,4095);
+            r = av_clip(r, 0, 4095);
+            g = av_clip(g, 0, 4095);
+            b = av_clip(b, 0, 4095);
 
             // convert from sRGBlinear to RGB and scale from 12bit to 16bit
             if (desc->flags & AV_PIX_FMT_FLAG_BE) {
@@ -860,9 +861,9 @@ static void rgb48Toxyz12(struct SwsContext *c, uint16_t *dst,
                 c->rgb2xyz_matrix[2][2] * b >> 12;
 
             // limit values to 12-bit depth
-            x = av_clip_c(x,0,4095);
-            y = av_clip_c(y,0,4095);
-            z = av_clip_c(z,0,4095);
+            x = av_clip(x, 0, 4095);
+            y = av_clip(y, 0, 4095);
+            z = av_clip(z, 0, 4095);
 
             // convert from XYZlinear to X'Y'Z' and scale from 12bit to 16bit
             if (desc->flags & AV_PIX_FMT_FLAG_BE) {
@@ -899,6 +900,18 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
         av_log(c, AV_LOG_ERROR, "One of the input parameters to sws_scale() is NULL, please check the calling code\n");
         return 0;
     }
+    if (c->cascaded_context[0] && srcSliceY == 0 && srcSliceH == c->cascaded_context[0]->srcH) {
+        ret = sws_scale(c->cascaded_context[0],
+                        srcSlice, srcStride, srcSliceY, srcSliceH,
+                        c->cascaded_tmp, c->cascaded_tmpStride);
+        if (ret < 0)
+            return ret;
+        ret = sws_scale(c->cascaded_context[1],
+                        (const uint8_t * const * )c->cascaded_tmp, c->cascaded_tmpStride, 0, c->cascaded_context[0]->dstH,
+                        dst, dstStride);
+        return ret;
+    }
+
     memcpy(src2, srcSlice, sizeof(src2));
     memcpy(dst2, dst, sizeof(dst2));