v210dec: switch to PIX_FMT_422P10

Signed-off-by: Anton Khirnov <anton@khirnov.net>

libavcodec/v210dec.c

@@ -30,7 +30,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
         return -1;
     }
-    avctx->pix_fmt             = PIX_FMT_YUV422P16;
+    avctx->pix_fmt             = PIX_FMT_YUV422P10;
     avctx->bits_per_raw_sample = 10;
 
     avctx->coded_frame         = avcodec_alloc_frame();
@@ -69,9 +69,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
 #define READ_PIXELS(a, b, c)         \
     do {                             \
         val  = av_le2ne32(*src++);   \
-        *a++ =  val <<  6;           \
-        *b++ = (val >>  4) & 0xFFC0; \
-        *c++ = (val >> 14) & 0xFFC0; \
+        *a++ =  val & 0x3FF;         \
+        *b++ = (val >> 10) & 0x3FF;  \
+        *c++ = (val >> 20) & 0x3FF;  \
     } while (0)
 
     for (h = 0; h < avctx->height; h++) {
@@ -87,15 +87,15 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
             READ_PIXELS(u, y, v);
 
             val  = av_le2ne32(*src++);
-            *y++ =  val <<  6;
+            *y++ =  val & 0x3FF;
         }
         if (w < avctx->width - 3) {
-            *u++ = (val >>  4) & 0xFFC0;
-            *y++ = (val >> 14) & 0xFFC0;
+            *u++ = (val >> 10) & 0x3FF;
+            *y++ = (val >> 20) & 0x3FF;
 
             val  = av_le2ne32(*src++);
-            *v++ =  val <<  6;
-            *y++ = (val >>  4) & 0xFFC0;
+            *v++ =  val & 0x3FF;
+            *y++ = (val >> 10) & 0x3FF;
         }
 
         psrc += stride;

tests/ref/fate/v210

@@ -1 +1 @@
-0, 0, 3686400, 0x8d5c3847
+0, 0, 3686400, 0x75ee1dde