avcodec/mss2: fix chroma dimensions

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · e1d8ef4c21
parent 4cb9c20136
commit e1d8ef4c21
2 changed files with 3 additions and 3 deletions
--- a/libavcodec/mss2.c
+++ b/libavcodec/mss2.c
@ -421,8 +421,8 @@ static int decode_wmv9(AVCodecContext *avctx, const uint8_t *buf, int buf_size,

    if (v->respic == 3) {
        ctx->dsp.upsample_plane(f->data[0], f->linesize[0], w,      h);
-        ctx->dsp.upsample_plane(f->data[1], f->linesize[1], w >> 1, h >> 1);
-        ctx->dsp.upsample_plane(f->data[2], f->linesize[2], w >> 1, h >> 1);
+        ctx->dsp.upsample_plane(f->data[1], f->linesize[1], w+1 >> 1, h+1 >> 1);
+        ctx->dsp.upsample_plane(f->data[2], f->linesize[2], w+1 >> 1, h+1 >> 1);
    } else if (v->respic)
        avpriv_request_sample(v->s.avctx,
                              "Asymmetric WMV9 rectangle subsampling");
--- a/tests/ref/fate/mss2-wmv
+++ b/tests/ref/fate/mss2-wmv
@ -70,7 +70,7 @@
 0,         74,         74,        1,   230400, 0xfe47e3c4
 0,         75,         75,        1,   230400, 0xa2e0e721
 0,         76,         76,        1,   230400, 0xde974a42
-0,         77,         77,        1,   230400, 0xe86a376b
+0,         77,         77,        1,   230400, 0x87bf38ba
 0,         78,         78,        1,   230400, 0xd52318fd
 0,         79,         79,        1,   230400, 0x0bbb1526
 0,         80,         80,        1,   230400, 0xa22c5e5e