vp3: stop using deprecated avcodec_set_dimensions

libavcodec/vp3.c

@@ -2166,6 +2166,7 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
     Vp3DecodeContext *s = avctx->priv_data;
     int visible_width, visible_height, colorspace;
     int offset_x = 0, offset_y = 0;
+    int ret;
     AVRational fps, aspect;
 
     s->theora = get_bits_long(gb, 24);
@@ -2182,12 +2183,6 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
     visible_width  = s->width  = get_bits(gb, 16) << 4;
     visible_height = s->height = get_bits(gb, 16) << 4;
 
-    if(av_image_check_size(s->width, s->height, 0, avctx)){
-        av_log(avctx, AV_LOG_ERROR, "Invalid dimensions (%dx%d)\n", s->width, s->height);
-        s->width= s->height= 0;
-        return -1;
-    }
-
     if (s->theora >= 0x030200) {
         visible_width  = get_bits_long(gb, 24);
         visible_height = get_bits_long(gb, 24);
@@ -2234,9 +2229,11 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
     if (   visible_width  <= s->width  && visible_width  > s->width-16
         && visible_height <= s->height && visible_height > s->height-16
         && !offset_x && (offset_y == s->height - visible_height))
-        avcodec_set_dimensions(avctx, visible_width, visible_height);
+        ret = ff_set_dimensions(avctx, visible_width, visible_height);
     else
-        avcodec_set_dimensions(avctx, s->width, s->height);
+        ret = ff_set_dimensions(avctx, s->width, s->height);
+    if (ret < 0)
+        return ret;
 
     if (colorspace == 1) {
         avctx->color_primaries = AVCOL_PRI_BT470M;