huffyuvenc: write last odd sample

If width is odd, last sample wouldn't be written.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/huffyuvenc.c

@@ -488,15 +488,31 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count)
     return 0;
 }
 
-static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
+static int encode_plane_bitstream(HYuvContext *s, int width, int plane)
 {
-    int i;
+    int i, count = width/2;
 
     if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < count * s->bps / 2) {
         av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
         return -1;
     }
 
+#define LOADEND\
+            int y0 = s->temp[0][width-1];
+#define LOADEND_14\
+            int y0 = s->temp16[0][width-1] & mask;
+#define LOADEND_16\
+            int y0 = s->temp16[0][width-1];
+#define STATEND\
+            s->stats[plane][y0]++;
+#define STATEND_16\
+            s->stats[plane][y0>>2]++;
+#define WRITEEND\
+            put_bits(&s->pb, s->len[plane][y0], s->bits[plane][y0]);
+#define WRITEEND_16\
+            put_bits(&s->pb, s->len[plane][y0>>2], s->bits[plane][y0>>2]);\
+            put_bits(&s->pb, 2, y0&3);
+
 #define LOAD2\
             int y0 = s->temp[0][2 * i];\
             int y1 = s->temp[0][2 * i + 1];
@@ -521,14 +537,16 @@ static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
             put_bits(&s->pb, s->len[plane][y1>>2], s->bits[plane][y1>>2]);\
             put_bits(&s->pb, 2, y1&3);
 
-    count /= 2;
-
     if (s->bps <= 8) {
     if (s->flags & CODEC_FLAG_PASS1) {
         for (i = 0; i < count; i++) {
             LOAD2;
             STAT2;
         }
+        if (width&1) {
+            LOADEND;
+            STATEND;
+        }
     }
     if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
         return 0;
@@ -539,11 +557,20 @@ static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
             STAT2;
             WRITE2;
         }
+        if (width&1) {
+            LOADEND;
+            STATEND;
+            WRITEEND;
+        }
     } else {
         for (i = 0; i < count; i++) {
             LOAD2;
             WRITE2;
         }
+        if (width&1) {
+            LOADEND;
+            WRITEEND;
+        }
     }
     } else if (s->bps <= 14) {
         int mask = s->n - 1;
@@ -552,6 +579,10 @@ static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
                 LOAD2_14;
                 STAT2;
             }
+            if (width&1) {
+                LOADEND_14;
+                STATEND;
+            }
         }
         if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
             return 0;
@@ -562,11 +593,20 @@ static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
                 STAT2;
                 WRITE2;
             }
+            if (width&1) {
+                LOADEND_14;
+                STATEND;
+                WRITEEND;
+            }
         } else {
             for (i = 0; i < count; i++) {
                 LOAD2_14;
                 WRITE2;
             }
+            if (width&1) {
+                LOADEND_14;
+                WRITEEND;
+            }
         }
     } else {
         if (s->flags & CODEC_FLAG_PASS1) {
@@ -574,6 +614,10 @@ static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
                 LOAD2_16;
                 STAT2_16;
             }
+            if (width&1) {
+                LOADEND_16;
+                STATEND_16;
+            }
         }
         if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
             return 0;
@@ -584,11 +628,20 @@ static int encode_plane_bitstream(HYuvContext *s, int count, int plane)
                 STAT2_16;
                 WRITE2_16;
             }
+            if (width&1) {
+                LOADEND_16;
+                STATEND_16;
+                WRITEEND_16;
+            }
         } else {
             for (i = 0; i < count; i++) {
                 LOAD2_16;
                 WRITE2_16;
             }
+            if (width&1) {
+                LOADEND_16;
+                WRITEEND_16;
+            }
         }
     }
 #undef LOAD2

tests/ref/vsynth/vsynth3-ffvhuff420p12

@@ -1,4 +1,4 @@
-a6164daa3036ae92eb0b3f0831268165 *tests/data/fate/vsynth3-ffvhuff420p12.avi
-172132 tests/data/fate/vsynth3-ffvhuff420p12.avi
-eb1a8ff2c33ba5145b5a89727ee5dcb8 *tests/data/fate/vsynth3-ffvhuff420p12.out.rawvideo
-stddev:   46.89 PSNR: 14.71 MAXDIFF:  239 bytes:    86700/    86700
+9b3e44ccdd28614f588804a0682db312 *tests/data/fate/vsynth3-ffvhuff420p12.avi
+175256 tests/data/fate/vsynth3-ffvhuff420p12.avi
+faf8b5ec29b12ac41b1bd1a6ebd8a757 *tests/data/fate/vsynth3-ffvhuff420p12.out.rawvideo
+stddev:   47.95 PSNR: 14.51 MAXDIFF:  237 bytes:    86700/    86700

tests/ref/vsynth/vsynth3-ffvhuff422p10left

@@ -1,4 +1,4 @@
-2459272ee10f3b503940324ba5dcc1e5 *tests/data/fate/vsynth3-ffvhuff422p10left.avi
-168836 tests/data/fate/vsynth3-ffvhuff422p10left.avi
-863818eed035b3fa7b19535927687879 *tests/data/fate/vsynth3-ffvhuff422p10left.out.rawvideo
-stddev:   38.45 PSNR: 16.43 MAXDIFF:  225 bytes:    86700/    86700
+5afec2536440c892919a1569c7109858 *tests/data/fate/vsynth3-ffvhuff422p10left.avi
+173548 tests/data/fate/vsynth3-ffvhuff422p10left.avi
+7815024a7239be263c6bf910021df1a0 *tests/data/fate/vsynth3-ffvhuff422p10left.out.rawvideo
+stddev:   38.41 PSNR: 16.44 MAXDIFF:  237 bytes:    86700/    86700