avcodec/vorbisenc: use av_malloc(z)_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/vorbisenc.c

@@ -170,8 +170,8 @@ static int ready_codebook(vorbis_enc_codebook *cb)
         cb->pow2 = cb->dimensions = NULL;
     } else {
         int vals = cb_lookup_vals(cb->lookup, cb->ndimensions, cb->nentries);
-        cb->dimensions = av_malloc(sizeof(float) * cb->nentries * cb->ndimensions);
-        cb->pow2 = av_mallocz(sizeof(float) * cb->nentries);
+        cb->dimensions = av_malloc_array(cb->nentries, sizeof(float) * cb->ndimensions);
+        cb->pow2 = av_mallocz_array(cb->nentries, sizeof(float));
         if (!cb->dimensions || !cb->pow2)
             return AVERROR(ENOMEM);
         for (i = 0; i < cb->nentries; i++) {
@@ -201,7 +201,7 @@ static int ready_residue(vorbis_enc_residue *rc, vorbis_enc_context *venc)
 {
     int i;
     av_assert0(rc->type == 2);
-    rc->maxes = av_mallocz(sizeof(float[2]) * rc->classifications);
+    rc->maxes = av_mallocz_array(rc->classifications, sizeof(float[2]));
     if (!rc->maxes)
         return AVERROR(ENOMEM);
     for (i = 0; i < rc->classifications; i++) {
@@ -266,8 +266,8 @@ static int create_vorbis_context(vorbis_enc_context *venc,
         cb->lookup      = cvectors[book].lookup;
         cb->seq_p       = 0;
 
-        cb->lens      = av_malloc(sizeof(uint8_t)  * cb->nentries);
-        cb->codewords = av_malloc(sizeof(uint32_t) * cb->nentries);
+        cb->lens      = av_malloc_array(cb->nentries, sizeof(uint8_t));
+        cb->codewords = av_malloc_array(cb->nentries, sizeof(uint32_t));
         if (!cb->lens || !cb->codewords)
             return AVERROR(ENOMEM);
         memcpy(cb->lens, cvectors[book].clens, cvectors[book].len);
@@ -275,7 +275,7 @@ static int create_vorbis_context(vorbis_enc_context *venc,
 
         if (cb->lookup) {
             vals = cb_lookup_vals(cb->lookup, cb->ndimensions, cb->nentries);
-            cb->quantlist = av_malloc(sizeof(int) * vals);
+            cb->quantlist = av_malloc_array(vals, sizeof(int));
             if (!cb->quantlist)
                 return AVERROR(ENOMEM);
             for (i = 0; i < vals; i++)
@@ -305,7 +305,7 @@ static int create_vorbis_context(vorbis_enc_context *venc,
         fc->nclasses = FFMAX(fc->nclasses, fc->partition_to_class[i]);
     }
     fc->nclasses++;
-    fc->classes = av_malloc(sizeof(vorbis_enc_floor_class) * fc->nclasses);
+    fc->classes = av_malloc_array(fc->nclasses, sizeof(vorbis_enc_floor_class));
     if (!fc->classes)
         return AVERROR(ENOMEM);
     for (i = 0; i < fc->nclasses; i++) {
@@ -315,7 +315,7 @@ static int create_vorbis_context(vorbis_enc_context *venc,
         c->subclass   = floor_classes[i].subclass;
         c->masterbook = floor_classes[i].masterbook;
         books         = (1 << c->subclass);
-        c->books      = av_malloc(sizeof(int) * books);
+        c->books      = av_malloc_array(books, sizeof(int));
         if (!c->books)
             return AVERROR(ENOMEM);
         for (j = 0; j < books; j++)
@@ -328,7 +328,7 @@ static int create_vorbis_context(vorbis_enc_context *venc,
     for (i = 0; i < fc->partitions; i++)
         fc->values += fc->classes[fc->partition_to_class[i]].dim;
 
-    fc->list = av_malloc(sizeof(vorbis_floor1_entry) * fc->values);
+    fc->list = av_malloc_array(fc->values, sizeof(vorbis_floor1_entry));
     if (!fc->list)
         return AVERROR(ENOMEM);
     fc->list[0].x = 0;
@@ -419,10 +419,10 @@ static int create_vorbis_context(vorbis_enc_context *venc,
     venc->modes[0].mapping   = 0;
 
     venc->have_saved = 0;
-    venc->saved      = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
-    venc->samples    = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]));
-    venc->floor      = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
-    venc->coeffs     = av_malloc(sizeof(float) * venc->channels * (1 << venc->log2_blocksize[1]) / 2);
+    venc->saved      = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]) / 2);
+    venc->samples    = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]));
+    venc->floor      = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]) / 2);
+    venc->coeffs     = av_malloc_array(sizeof(float) * venc->channels, (1 << venc->log2_blocksize[1]) / 2);
     if (!venc->saved || !venc->samples || !venc->floor || !venc->coeffs)
         return AVERROR(ENOMEM);