x86: port PSIGNW to cpuflags

[ffmpeg] / libavcodec / truemotion1.c

diff --git a/libavcodec/truemotion1.c b/libavcodec/truemotion1.c
index b52a369d4424338445d40222359b937cf5ac9109..b8d0de468658b5990294bfe85eb5596b2201ddbd 100644 (file)
--- a/libavcodec/truemotion1.c
+++ b/libavcodec/truemotion1.c
@@ -215,7 +215,7 @@ static int make_cdt16_entry(int p1, int p2, int16_t *cdt)
     b = cdt[p2];
     r = cdt[p1] << 11;
     lo = b + r;
-    return (lo + (lo << 16)) << 1;
+    return (lo + (lo * (1 << 16))) * 2;
 }
 
 static int make_ydt24_entry(int p1, int p2, int16_t *ydt)
@@ -224,7 +224,7 @@ static int make_ydt24_entry(int p1, int p2, int16_t *ydt)
 
     lo = ydt[p1];
     hi = ydt[p2];
-    return (lo + (hi << 8) + (hi << 16)) << 1;
+    return (lo + (hi * (1 << 8)) + (hi * (1 << 16))) * 2;
 }
 
 static int make_cdt24_entry(int p1, int p2, int16_t *cdt)
@@ -232,8 +232,8 @@ static int make_cdt24_entry(int p1, int p2, int16_t *cdt)
     int r, b;
 
     b = cdt[p2];
-    r = cdt[p1]<<16;
-    return (b+r) << 1;
+    r = cdt[p1] * (1 << 16);
+    return (b+r) * 2;
 }
 
 static void gen_vector_table15(TrueMotion1Context *s, const uint8_t *sel_vector_table)
@@ -396,12 +396,16 @@ static int truemotion1_decode_header(TrueMotion1Context *s)
     }
 
     if (compression_types[header.compression].algorithm == ALGO_RGB24H) {
-        new_pix_fmt = AV_PIX_FMT_RGB32;
+        new_pix_fmt = AV_PIX_FMT_0RGB32;
         width_shift = 1;
     } else
         new_pix_fmt = AV_PIX_FMT_RGB555; // RGB565 is supported as well
 
     s->w >>= width_shift;
+    if (s->w & 1) {
+        avpriv_request_sample(s->avctx, "Frame with odd width");
+        return AVERROR_PATCHWELCOME;
+    }
 
     if (s->w != s->avctx->width || s->h != s->avctx->height ||
         new_pix_fmt != s->avctx->pix_fmt) {