movenc: Use null buffers for measuring the amount of data to be written

[ffmpeg] / libavcodec / ffv1dec.c

diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index f9b094dab7c18e37727a5e9e15391aef7f1cd5ed..499407ead24e71735b39c6ca76ecc88c142504ac 100644 (file)
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -335,7 +335,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
     FFV1Context *fs = *(void **)arg;
     FFV1Context *f  = fs->avctx->priv_data;
     int width, height, x, y, ret;
-    const int ps = (av_pix_fmt_desc_get(c->pix_fmt)->flags & PIX_FMT_PLANAR)
+    const int ps = (av_pix_fmt_desc_get(c->pix_fmt)->flags & AV_PIX_FMT_FLAG_PLANAR)
                    ? (c->bits_per_raw_sample > 8) + 1
                    : 4;
     AVFrame *const p = f->cur;
@@ -734,8 +734,8 @@ static int read_header(FFV1Context *f)
 
             fs->slice_x      /= f->num_h_slices;
             fs->slice_y      /= f->num_v_slices;
-            fs->slice_width  /= f->num_h_slices - fs->slice_x;
-            fs->slice_height /= f->num_v_slices - fs->slice_y;
+            fs->slice_width  = fs->slice_width  / f->num_h_slices - fs->slice_x;
+            fs->slice_height = fs->slice_height / f->num_v_slices - fs->slice_y;
             if ((unsigned)fs->slice_width > f->width ||
                 (unsigned)fs->slice_height > f->height)
                 return AVERROR_INVALIDDATA;