avcodec/snow: remove FF_ALLOCZ_ARRAY_OR_GOTO and gotos label

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>

libavcodec/snow.c

@@ -487,28 +487,27 @@ av_cold int ff_snow_common_init(AVCodecContext *avctx){
     width= s->avctx->width;
     height= s->avctx->height;
 
-    FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->spatial_idwt_buffer, width, height * sizeof(IDWTELEM), fail);
-    FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->spatial_dwt_buffer,  width, height * sizeof(DWTELEM),  fail); //FIXME this does not belong here
-    FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->temp_dwt_buffer,     width, sizeof(DWTELEM),  fail);
-    FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->temp_idwt_buffer,    width, sizeof(IDWTELEM), fail);
-    FF_ALLOC_ARRAY_OR_GOTO(avctx,  s->run_buffer,          ((width + 1) >> 1), ((height + 1) >> 1) * sizeof(*s->run_buffer), fail);
+    if (!FF_ALLOCZ_TYPED_ARRAY(s->spatial_idwt_buffer, width * height) ||
+        !FF_ALLOCZ_TYPED_ARRAY(s->spatial_dwt_buffer,  width * height) ||  //FIXME this does not belong here
+        !FF_ALLOCZ_TYPED_ARRAY(s->temp_dwt_buffer,     width)          ||
+        !FF_ALLOCZ_TYPED_ARRAY(s->temp_idwt_buffer,    width)          ||
+        !FF_ALLOCZ_TYPED_ARRAY(s->run_buffer, ((width + 1) >> 1) * ((height + 1) >> 1)))
+        return AVERROR(ENOMEM);
 
     for(i=0; i<MAX_REF_FRAMES; i++) {
         for(j=0; j<MAX_REF_FRAMES; j++)
             ff_scale_mv_ref[i][j] = 256*(i+1)/(j+1);
         s->last_picture[i] = av_frame_alloc();
         if (!s->last_picture[i])
-            goto fail;
+            return AVERROR(ENOMEM);
     }
 
     s->mconly_picture = av_frame_alloc();
     s->current_picture = av_frame_alloc();
     if (!s->mconly_picture || !s->current_picture)
-        goto fail;
+        return AVERROR(ENOMEM);
 
     return 0;
-fail:
-    return AVERROR(ENOMEM);
 }
 
 int ff_snow_common_init_after_header(AVCodecContext *avctx) {
@@ -520,9 +519,10 @@ int ff_snow_common_init_after_header(AVCodecContext *avctx) {
         if ((ret = ff_get_buffer(s->avctx, s->mconly_picture,
                                  AV_GET_BUFFER_FLAG_REF)) < 0)
             return ret;
-        FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->scratchbuf, FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256), 7*MB_SIZE, fail);
         emu_buf_size = FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256) * (2 * MB_SIZE + HTAPS_MAX - 1);
-        FF_ALLOC_OR_GOTO(avctx, s->emu_edge_buffer, emu_buf_size, fail);
+        if (!FF_ALLOCZ_TYPED_ARRAY(s->scratchbuf,      FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256) * 7 * MB_SIZE) ||
+            !FF_ALLOCZ_TYPED_ARRAY(s->emu_edge_buffer, emu_buf_size))
+            return AVERROR(ENOMEM);
     }
 
     if(s->mconly_picture->format != avctx->pix_fmt) {
@@ -571,7 +571,7 @@ int ff_snow_common_init_after_header(AVCodecContext *avctx) {
                 av_freep(&b->x_coeff);
                 b->x_coeff=av_mallocz_array(((b->width+1) * b->height+1), sizeof(x_and_coeff));
                 if (!b->x_coeff)
-                    goto fail;
+                    return AVERROR(ENOMEM);
             }
             w= (w+1)>>1;
             h= (h+1)>>1;
@@ -579,8 +579,6 @@ int ff_snow_common_init_after_header(AVCodecContext *avctx) {
     }
 
     return 0;
-fail:
-    return AVERROR(ENOMEM);
 }
 
 #define USE_HALFPEL_PLANE 0