Replace all occurences of av_mallocz_array() by av_calloc()

They do the same.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

compat/w32dlfcn.h

@@ -42,7 +42,7 @@ static inline HMODULE win32_dlopen(const char *name)
         DWORD pathlen;
         if (utf8towchar(name, &name_w))
             goto exit;
-        path = (wchar_t *)av_mallocz_array(MAX_PATH, sizeof(wchar_t));
+        path = (wchar_t *)av_calloc(MAX_PATH, sizeof(wchar_t));
         // Try local directory first
         pathlen = GetModuleFileNameW(NULL, path, MAX_PATH);
         pathlen = wcsrchr(path, '\\') - path;

doc/examples/remuxing.c

@@ -85,7 +85,7 @@ int main(int argc, char **argv)
     }
 
     stream_mapping_size = ifmt_ctx->nb_streams;
-    stream_mapping = av_mallocz_array(stream_mapping_size, sizeof(*stream_mapping));
+    stream_mapping = av_calloc(stream_mapping_size, sizeof(*stream_mapping));
     if (!stream_mapping) {
         ret = AVERROR(ENOMEM);
         goto end;

doc/examples/transcoding.c

@@ -72,7 +72,7 @@ static int open_input_file(const char *filename)
         return ret;
     }
 
-    stream_ctx = av_mallocz_array(ifmt_ctx->nb_streams, sizeof(*stream_ctx));
+    stream_ctx = av_calloc(ifmt_ctx->nb_streams, sizeof(*stream_ctx));
     if (!stream_ctx)
         return AVERROR(ENOMEM);
 

fftools/cmdutils.c

@@ -689,7 +689,7 @@ static void init_parse_context(OptionParseContext *octx,
     memset(octx, 0, sizeof(*octx));
 
     octx->nb_groups = nb_groups;
-    octx->groups    = av_mallocz_array(octx->nb_groups, sizeof(*octx->groups));
+    octx->groups    = av_calloc(octx->nb_groups, sizeof(*octx->groups));
     if (!octx->groups)
         exit_program(1);
 
@@ -2168,7 +2168,7 @@ AVDictionary **setup_find_stream_info_opts(AVFormatContext *s,
 
     if (!s->nb_streams)
         return NULL;
-    opts = av_mallocz_array(s->nb_streams, sizeof(*opts));
+    opts = av_calloc(s->nb_streams, sizeof(*opts));
     if (!opts) {
         av_log(NULL, AV_LOG_ERROR,
                "Could not alloc memory for stream options.\n");

fftools/ffmpeg_opt.c

@@ -2591,7 +2591,7 @@ loop_end:
                     count = 0;
                     while (ost->enc->pix_fmts[count] != AV_PIX_FMT_NONE)
                         count++;
-                    f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
+                    f->formats = av_calloc(count + 1, sizeof(*f->formats));
                     if (!f->formats)
                         exit_program(1);
                     memcpy(f->formats, ost->enc->pix_fmts, (count + 1) * sizeof(*f->formats));
@@ -2604,7 +2604,7 @@ loop_end:
                     count = 0;
                     while (ost->enc->sample_fmts[count] != AV_SAMPLE_FMT_NONE)
                         count++;
-                    f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
+                    f->formats = av_calloc(count + 1, sizeof(*f->formats));
                     if (!f->formats)
                         exit_program(1);
                     memcpy(f->formats, ost->enc->sample_fmts, (count + 1) * sizeof(*f->formats));
@@ -2615,7 +2615,7 @@ loop_end:
                     count = 0;
                     while (ost->enc->supported_samplerates[count])
                         count++;
-                    f->sample_rates = av_mallocz_array(count + 1, sizeof(*f->sample_rates));
+                    f->sample_rates = av_calloc(count + 1, sizeof(*f->sample_rates));
                     if (!f->sample_rates)
                         exit_program(1);
                     memcpy(f->sample_rates, ost->enc->supported_samplerates,
@@ -2627,7 +2627,7 @@ loop_end:
                     count = 0;
                     while (ost->enc->channel_layouts[count])
                         count++;
-                    f->channel_layouts = av_mallocz_array(count + 1, sizeof(*f->channel_layouts));
+                    f->channel_layouts = av_calloc(count + 1, sizeof(*f->channel_layouts));
                     if (!f->channel_layouts)
                         exit_program(1);
                     memcpy(f->channel_layouts, ost->enc->channel_layouts,

fftools/ffprobe.c

@@ -3003,8 +3003,7 @@ static int open_input_file(InputFile *ifile, const char *filename,
 
     av_dump_format(fmt_ctx, 0, filename, 0);
 
-    ifile->streams = av_mallocz_array(fmt_ctx->nb_streams,
+    ifile->streams = av_calloc(fmt_ctx->nb_streams, sizeof(*ifile->streams));
-                                      sizeof(*ifile->streams));
     if (!ifile->streams)
         exit(1);
     ifile->nb_streams = fmt_ctx->nb_streams;

libavcodec/a64multienc.c

@@ -227,9 +227,9 @@ static av_cold int a64multi_encode_init(AVCodecContext *avctx)
                            a64_palette[mc_colors[a]][2] * 0.11;
     }
 
-    if (!(c->mc_meta_charset = av_mallocz_array(c->mc_lifetime, 32000 * sizeof(int))) ||
+    if (!(c->mc_meta_charset = av_calloc(c->mc_lifetime, 32000 * sizeof(int))) ||
        !(c->mc_best_cb       = av_malloc(CHARSET_CHARS * 32 * sizeof(int)))     ||
-       !(c->mc_charmap       = av_mallocz_array(c->mc_lifetime, 1000 * sizeof(int))) ||
+       !(c->mc_charmap       = av_calloc(c->mc_lifetime, 1000 * sizeof(int))) ||
        !(c->mc_colram        = av_mallocz(CHARSET_CHARS * sizeof(uint8_t)))) {
         av_log(avctx, AV_LOG_ERROR, "Failed to allocate buffer memory.\n");
         return AVERROR(ENOMEM);

libavcodec/aacpsy.c

@@ -370,7 +370,7 @@ static av_cold int psy_3gpp_init(FFPsyContext *ctx) {
         }
     }
 
-    pctx->ch = av_mallocz_array(ctx->avctx->channels, sizeof(AacPsyChannel));
+    pctx->ch = av_calloc(ctx->avctx->channels, sizeof(*pctx->ch));
     if (!pctx->ch) {
         av_freep(&ctx->model_priv_data);
         return AVERROR(ENOMEM);

libavcodec/alsdec.c

@@ -2059,7 +2059,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     ctx->shift_lsbs      = av_malloc_array(num_buffers, sizeof(*ctx->shift_lsbs));
     ctx->opt_order       = av_malloc_array(num_buffers, sizeof(*ctx->opt_order));
     ctx->store_prev_samples = av_malloc_array(num_buffers, sizeof(*ctx->store_prev_samples));
-    ctx->use_ltp         = av_mallocz_array(num_buffers, sizeof(*ctx->use_ltp));
+    ctx->use_ltp         = av_calloc(num_buffers, sizeof(*ctx->use_ltp));
     ctx->ltp_lag         = av_malloc_array(num_buffers, sizeof(*ctx->ltp_lag));
     ctx->ltp_gain        = av_malloc_array(num_buffers, sizeof(*ctx->ltp_gain));
     ctx->ltp_gain_buffer = av_malloc_array(num_buffers * 5, sizeof(*ctx->ltp_gain_buffer));
@@ -2078,10 +2078,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
     // allocate and assign channel data buffer for mcc mode
     if (sconf->mc_coding) {
-        ctx->chan_data_buffer  = av_mallocz_array(num_buffers * num_buffers,
+        ctx->chan_data_buffer  = av_calloc(num_buffers * num_buffers,
                                            sizeof(*ctx->chan_data_buffer));
-        ctx->chan_data         = av_mallocz_array(num_buffers,
+        ctx->chan_data         = av_calloc(num_buffers, sizeof(*ctx->chan_data));
-                                                 sizeof(*ctx->chan_data));
         ctx->reverted_channels = av_malloc_array(num_buffers,
                                                  sizeof(*ctx->reverted_channels));
 
@@ -2102,7 +2101,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     channel_size      = sconf->frame_length + sconf->max_order;
 
     ctx->prev_raw_samples = av_malloc_array(sconf->max_order, sizeof(*ctx->prev_raw_samples));
-    ctx->raw_buffer       = av_mallocz_array(avctx->channels * channel_size, sizeof(*ctx->raw_buffer));
+    ctx->raw_buffer       = av_calloc(avctx->channels * channel_size, sizeof(*ctx->raw_buffer));
     ctx->raw_samples      = av_malloc_array(avctx->channels, sizeof(*ctx->raw_samples));
 
     if (sconf->floating) {
@@ -2110,7 +2109,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         ctx->shift_value       = av_malloc_array(avctx->channels, sizeof(*ctx->shift_value));
         ctx->last_shift_value  = av_malloc_array(avctx->channels, sizeof(*ctx->last_shift_value));
         ctx->last_acf_mantissa = av_malloc_array(avctx->channels, sizeof(*ctx->last_acf_mantissa));
-        ctx->raw_mantissa      = av_mallocz_array(avctx->channels, sizeof(*ctx->raw_mantissa));
+        ctx->raw_mantissa      = av_calloc(avctx->channels, sizeof(*ctx->raw_mantissa));
 
         ctx->larray = av_malloc_array(ctx->cur_frame_length * 4, sizeof(*ctx->larray));
         ctx->nbits  = av_malloc_array(ctx->cur_frame_length, sizeof(*ctx->nbits));
@@ -2127,7 +2126,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
         ff_mlz_flush_dict(ctx->mlz);
 
         for (c = 0; c < avctx->channels; ++c) {
-            ctx->raw_mantissa[c] = av_mallocz_array(ctx->cur_frame_length, sizeof(**ctx->raw_mantissa));
+            ctx->raw_mantissa[c] = av_calloc(ctx->cur_frame_length, sizeof(**ctx->raw_mantissa));
         }
     }
 

libavcodec/atrac3.c

@@ -1004,7 +1004,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
     q->vector_fmul = fdsp->vector_fmul;
     av_free(fdsp);
 
-    q->units = av_mallocz_array(avctx->channels, sizeof(*q->units));
+    q->units = av_calloc(avctx->channels, sizeof(*q->units));
     if (!q->units)
         return AVERROR(ENOMEM);
 

libavcodec/atrac3plusdec.c

@@ -175,7 +175,7 @@ static av_cold int atrac3p_decode_init(AVCodecContext *avctx)
 
     ctx->my_channel_layout = avctx->channel_layout;
 
-    ctx->ch_units = av_mallocz_array(ctx->num_channel_blocks, sizeof(*ctx->ch_units));
+    ctx->ch_units = av_calloc(ctx->num_channel_blocks, sizeof(*ctx->ch_units));
     ctx->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);
 
     if (!ctx->ch_units || !ctx->fdsp) {

libavcodec/cavs.c

@@ -762,16 +762,16 @@ int ff_cavs_init_top_lines(AVSContext *h)
 {
     /* alloc top line of predictors */
     h->top_qp       = av_mallocz(h->mb_width);
-    h->top_mv[0]    = av_mallocz_array(h->mb_width * 2 + 1,  sizeof(cavs_vector));
+    h->top_mv[0]    = av_calloc(h->mb_width * 2 + 1,  sizeof(cavs_vector));
-    h->top_mv[1]    = av_mallocz_array(h->mb_width * 2 + 1,  sizeof(cavs_vector));
+    h->top_mv[1]    = av_calloc(h->mb_width * 2 + 1,  sizeof(cavs_vector));
-    h->top_pred_Y   = av_mallocz_array(h->mb_width * 2,  sizeof(*h->top_pred_Y));
+    h->top_pred_Y   = av_calloc(h->mb_width * 2,  sizeof(*h->top_pred_Y));
-    h->top_border_y = av_mallocz_array(h->mb_width + 1,  16);
+    h->top_border_y = av_calloc(h->mb_width + 1,  16);
-    h->top_border_u = av_mallocz_array(h->mb_width,  10);
+    h->top_border_u = av_calloc(h->mb_width,  10);
-    h->top_border_v = av_mallocz_array(h->mb_width,  10);
+    h->top_border_v = av_calloc(h->mb_width,  10);
 
     /* alloc space for co-located MVs and types */
-    h->col_mv        = av_mallocz_array(h->mb_width * h->mb_height,
+    h->col_mv        = av_calloc(h->mb_width * h->mb_height,
-                                        4 * sizeof(cavs_vector));
+                                 4 * sizeof(*h->col_mv));
     h->col_type_base = av_mallocz(h->mb_width * h->mb_height);
     h->block         = av_mallocz(64 * sizeof(int16_t));
 

libavcodec/cfhd.c

@@ -290,13 +290,13 @@ static int alloc_buffers(AVCodecContext *avctx)
         if (s->transform_type == 0) {
             s->plane[i].idwt_size = FFALIGN(height, 8) * stride;
             s->plane[i].idwt_buf =
-                av_mallocz_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
+                av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
             s->plane[i].idwt_tmp =
                 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
         } else {
             s->plane[i].idwt_size = FFALIGN(height, 8) * stride * 2;
             s->plane[i].idwt_buf =
-                av_mallocz_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
+                av_calloc(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
             s->plane[i].idwt_tmp =
                 av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
         }

libavcodec/cfhdenc.c

@@ -280,7 +280,7 @@ static av_cold int cfhd_encode_init(AVCodecContext *avctx)
         h2 = h4 * 2;
 
         s->plane[i].dwt_buf =
-            av_mallocz_array(height * stride, sizeof(*s->plane[i].dwt_buf));
+            av_calloc(height * stride, sizeof(*s->plane[i].dwt_buf));
         s->plane[i].dwt_tmp =
             av_malloc_array(height * stride, sizeof(*s->plane[i].dwt_tmp));
         if (!s->plane[i].dwt_buf || !s->plane[i].dwt_tmp)

libavcodec/cngdec.c

@@ -61,12 +61,12 @@ static av_cold int cng_decode_init(AVCodecContext *avctx)
 
     p->order            = 12;
     avctx->frame_size   = 640;
-    p->refl_coef        = av_mallocz_array(p->order, sizeof(*p->refl_coef));
+    p->refl_coef        = av_calloc(p->order, sizeof(*p->refl_coef));
-    p->target_refl_coef = av_mallocz_array(p->order, sizeof(*p->target_refl_coef));
+    p->target_refl_coef = av_calloc(p->order, sizeof(*p->target_refl_coef));
-    p->lpc_coef         = av_mallocz_array(p->order, sizeof(*p->lpc_coef));
+    p->lpc_coef         = av_calloc(p->order, sizeof(*p->lpc_coef));
-    p->filter_out       = av_mallocz_array(avctx->frame_size + p->order,
+    p->filter_out       = av_calloc(avctx->frame_size + p->order,
                                      sizeof(*p->filter_out));
-    p->excitation       = av_mallocz_array(avctx->frame_size, sizeof(*p->excitation));
+    p->excitation       = av_calloc(avctx->frame_size, sizeof(*p->excitation));
     if (!p->refl_coef || !p->target_refl_coef || !p->lpc_coef ||
         !p->filter_out || !p->excitation) {
         return AVERROR(ENOMEM);

libavcodec/decode.c

@@ -1370,9 +1370,9 @@ static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
     frame->linesize[0] = pool->linesize[0];
 
     if (planes > AV_NUM_DATA_POINTERS) {
-        frame->extended_data = av_mallocz_array(planes, sizeof(*frame->extended_data));
+        frame->extended_data = av_calloc(planes, sizeof(*frame->extended_data));
         frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
-        frame->extended_buf  = av_mallocz_array(frame->nb_extended_buf,
+        frame->extended_buf  = av_calloc(frame->nb_extended_buf,
                                           sizeof(*frame->extended_buf));
         if (!frame->extended_data || !frame->extended_buf) {
             av_freep(&frame->extended_data);

libavcodec/diracdec.c

@@ -304,7 +304,7 @@ static int alloc_sequence_buffers(DiracContext *s)
         w = FFALIGN(CALC_PADDING(w, MAX_DWT_LEVELS), 8); /* FIXME: Should this be 16 for SSE??? */
         h = top_padding + CALC_PADDING(h, MAX_DWT_LEVELS) + max_yblen/2;
 
-        s->plane[i].idwt.buf_base = av_mallocz_array((w+max_xblen), h * (2 << s->pshift));
+        s->plane[i].idwt.buf_base = av_calloc(w + max_xblen, h * (2 << s->pshift));
         s->plane[i].idwt.tmp      = av_malloc_array((w+16), 2 << s->pshift);
         s->plane[i].idwt.buf      = s->plane[i].idwt.buf_base + (top_padding*w)*(2 << s->pshift);
         if (!s->plane[i].idwt.buf_base || !s->plane[i].idwt.tmp)

libavcodec/dnxhddec.c

@@ -103,7 +103,7 @@ static av_cold int dnxhd_decode_init(AVCodecContext *avctx)
     avctx->coded_width  = FFALIGN(avctx->width,  16);
     avctx->coded_height = FFALIGN(avctx->height, 16);
 
-    ctx->rows = av_mallocz_array(avctx->thread_count, sizeof(RowContext));
+    ctx->rows = av_calloc(avctx->thread_count, sizeof(*ctx->rows));
     if (!ctx->rows)
         return AVERROR(ENOMEM);
 

libavcodec/dvbsubdec.c

@@ -764,7 +764,7 @@ static int save_subtitle_set(AVCodecContext *avctx, AVSubtitle *sub, int *got_ou
     }
     if (sub->num_rects > 0) {
 
-        sub->rects = av_mallocz_array(sizeof(*sub->rects), sub->num_rects);
+        sub->rects = av_calloc(sub->num_rects, sizeof(*sub->rects));
         if (!sub->rects) {
             ret = AVERROR(ENOMEM);
             goto fail;

libavcodec/dxva2.c

@@ -515,7 +515,7 @@ static int d3d11va_create_decoder(AVCodecContext *avctx)
     if (ret < 0)
         return AVERROR(EINVAL);
 
-    sctx->d3d11_views = av_mallocz_array(texdesc.ArraySize, sizeof(sctx->d3d11_views[0]));
+    sctx->d3d11_views = av_calloc(texdesc.ArraySize, sizeof(sctx->d3d11_views[0]));
     if (!sctx->d3d11_views)
         return AVERROR(ENOMEM);
     sctx->nb_d3d11_views = texdesc.ArraySize;

libavcodec/exr.c

@@ -2253,7 +2253,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     }
 
     // allocate thread data, used for non EXR_RAW compression types
-    s->thread_data = av_mallocz_array(avctx->thread_count, sizeof(EXRThreadData));
+    s->thread_data = av_calloc(avctx->thread_count, sizeof(*s->thread_data));
     if (!s->thread_data)
         return AVERROR(ENOMEM);
 

libavcodec/ffv1.c

@@ -80,7 +80,7 @@ av_cold int ff_ffv1_init_slice_state(FFV1Context *f, FFV1Context *fs)
                 return AVERROR(ENOMEM);
         } else {
             if (!p->vlc_state) {
-                p->vlc_state = av_mallocz_array(p->context_count, sizeof(VlcState));
+                p->vlc_state = av_calloc(p->context_count, sizeof(*p->vlc_state));
                 if (!p->vlc_state)
                     return AVERROR(ENOMEM);
                 for (i = 0; i < p->context_count; i++) {

libavcodec/g2meet.c

@@ -1164,7 +1164,7 @@ static int g2m_init_buffers(G2MContext *c)
         c->framebuf_stride = FFALIGN(c->width + 15, 16) * 3;
         aligned_height     = c->height + 15;
         av_free(c->framebuf);
-        c->framebuf = av_mallocz_array(c->framebuf_stride, aligned_height);
+        c->framebuf = av_calloc(c->framebuf_stride, aligned_height);
         if (!c->framebuf)
             return AVERROR(ENOMEM);
     }

libavcodec/h264dec.c

@@ -314,7 +314,7 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h)
     ff_h264_sei_uninit(&h->sei);
 
     h->nb_slice_ctx = (avctx->active_thread_type & FF_THREAD_SLICE) ? avctx->thread_count : 1;
-    h->slice_ctx = av_mallocz_array(h->nb_slice_ctx, sizeof(*h->slice_ctx));
+    h->slice_ctx = av_calloc(h->nb_slice_ctx, sizeof(*h->slice_ctx));
     if (!h->slice_ctx) {
         h->nb_slice_ctx = 0;
         return AVERROR(ENOMEM);

libavcodec/hevcdec.c

@@ -99,8 +99,8 @@ static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
     s->bs_width  = (width  >> 2) + 1;
     s->bs_height = (height >> 2) + 1;
 
-    s->sao           = av_mallocz_array(ctb_count, sizeof(*s->sao));
+    s->sao           = av_calloc(ctb_count, sizeof(*s->sao));
-    s->deblock       = av_mallocz_array(ctb_count, sizeof(*s->deblock));
+    s->deblock       = av_calloc(ctb_count, sizeof(*s->deblock));
     if (!s->sao || !s->deblock)
         goto fail;
 
@@ -123,8 +123,8 @@ static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
     if (!s->qp_y_tab || !s->filter_slice_edges || !s->tab_slice_address)
         goto fail;
 
-    s->horizontal_bs = av_mallocz_array(s->bs_width, s->bs_height);
+    s->horizontal_bs = av_calloc(s->bs_width, s->bs_height);
-    s->vertical_bs   = av_mallocz_array(s->bs_width, s->bs_height);
+    s->vertical_bs   = av_calloc(s->bs_width, s->bs_height);
     if (!s->horizontal_bs || !s->vertical_bs)
         goto fail;
 

libavcodec/ivi.c

@@ -313,7 +313,7 @@ av_cold int ff_ivi_init_planes(AVCodecContext *avctx, IVIPlaneDesc *planes, cons
     planes[1].num_bands = planes[2].num_bands = cfg->chroma_bands;
 
     for (p = 0; p < 3; p++) {
-        planes[p].bands = av_mallocz_array(planes[p].num_bands, sizeof(IVIBandDesc));
+        planes[p].bands = av_calloc(planes[p].num_bands, sizeof(*planes[p].bands));
         if (!planes[p].bands)
             return AVERROR(ENOMEM);
 
@@ -372,7 +372,7 @@ static int ivi_init_tiles(const IVIBandDesc *band, IVITile *ref_tile,
                                               band->mb_size);
 
             av_freep(&tile->mbs);
-            tile->mbs = av_mallocz_array(tile->num_MBs, sizeof(IVIMbInfo));
+            tile->mbs = av_calloc(tile->num_MBs, sizeof(*tile->mbs));
             if (!tile->mbs)
                 return AVERROR(ENOMEM);
 
@@ -428,7 +428,7 @@ av_cold int ff_ivi_init_tiles(IVIPlaneDesc *planes,
             band->num_tiles = x_tiles * y_tiles;
 
             av_freep(&band->tiles);
-            band->tiles = av_mallocz_array(band->num_tiles, sizeof(IVITile));
+            band->tiles = av_calloc(band->num_tiles, sizeof(*band->tiles));
             if (!band->tiles) {
                 band->num_tiles = 0;
                 return AVERROR(ENOMEM);

libavcodec/j2kenc.c

@@ -468,11 +468,11 @@ static int init_tiles(Jpeg2000EncoderContext *s)
         for (tilex = 0; tilex < s->numXtiles; tilex++, tileno++){
             Jpeg2000Tile *tile = s->tile + tileno;
 
-            tile->comp = av_mallocz_array(s->ncomponents, sizeof(Jpeg2000Component));
+            tile->comp = av_calloc(s->ncomponents, sizeof(*tile->comp));
             if (!tile->comp)
                 return AVERROR(ENOMEM);
 
-            tile->layer_rates = av_mallocz_array(s->nlayers, sizeof(*tile->layer_rates));
+            tile->layer_rates = av_calloc(s->nlayers, sizeof(*tile->layer_rates));
             if (!tile->layer_rates)
                 return AVERROR(ENOMEM);
 

libavcodec/jpeg2000.c

@@ -60,7 +60,7 @@ static Jpeg2000TgtNode *ff_jpeg2000_tag_tree_init(int w, int h)
 
     tt_size = tag_tree_size(w, h);
 
-    t = res = av_mallocz_array(tt_size, sizeof(*t));
+    t = res = av_calloc(tt_size, sizeof(*t));
     if (!res)
         return NULL;
 
@@ -333,7 +333,7 @@ static int init_prec(AVCodecContext *avctx,
         return AVERROR(ENOMEM);
     }
     nb_codeblocks = prec->nb_codeblocks_width * prec->nb_codeblocks_height;
-    prec->cblk = av_mallocz_array(nb_codeblocks, sizeof(*prec->cblk));
+    prec->cblk = av_calloc(nb_codeblocks, sizeof(*prec->cblk));
     if (!prec->cblk)
         return AVERROR(ENOMEM);
     for (cblkno = 0; cblkno < nb_codeblocks; cblkno++) {
@@ -376,7 +376,7 @@ static int init_prec(AVCodecContext *avctx,
         cblk->length    = 0;
         cblk->npasses   = 0;
         if (av_codec_is_encoder(avctx->codec)) {
-            cblk->layers = av_mallocz_array(codsty->nlayers, sizeof(*cblk->layers));
+            cblk->layers = av_calloc(codsty->nlayers, sizeof(*cblk->layers));
             if (!cblk->layers)
                 return AVERROR(ENOMEM);
         }
@@ -448,7 +448,7 @@ static int init_band(AVCodecContext *avctx,
         return AVERROR(ENOMEM);
     }
     nb_precincts = reslevel->num_precincts_x * reslevel->num_precincts_y;
-    band->prec = av_mallocz_array(nb_precincts, sizeof(*band->prec));
+    band->prec = av_calloc(nb_precincts, sizeof(*band->prec));
     if (!band->prec)
         return AVERROR(ENOMEM);
 
@@ -496,17 +496,17 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
     if (codsty->transform == FF_DWT97) {
         csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
         comp->i_data = NULL;
-        comp->f_data = av_mallocz_array(csize, sizeof(*comp->f_data));
+        comp->f_data = av_calloc(csize, sizeof(*comp->f_data));
         if (!comp->f_data)
             return AVERROR(ENOMEM);
     } else {
         csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->i_data);
         comp->f_data = NULL;
-        comp->i_data = av_mallocz_array(csize, sizeof(*comp->i_data));
+        comp->i_data = av_calloc(csize, sizeof(*comp->i_data));
         if (!comp->i_data)
             return AVERROR(ENOMEM);
     }
-    comp->reslevel = av_mallocz_array(codsty->nreslevels, sizeof(*comp->reslevel));
+    comp->reslevel = av_calloc(codsty->nreslevels, sizeof(*comp->reslevel));
     if (!comp->reslevel)
         return AVERROR(ENOMEM);
     /* LOOP on resolution levels */
@@ -554,7 +554,7 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
                                         reslevel->log2_prec_height) -
                 (reslevel->coord[1][0] >> reslevel->log2_prec_height);
 
-        reslevel->band = av_mallocz_array(reslevel->nbands, sizeof(*reslevel->band));
+        reslevel->band = av_calloc(reslevel->nbands, sizeof(*reslevel->band));
         if (!reslevel->band)
             return AVERROR(ENOMEM);
 

libavcodec/jpeg2000dec.c

@@ -361,7 +361,7 @@ static int get_siz(Jpeg2000DecoderContext *s)
         return AVERROR(EINVAL);
     }
 
-    s->tile = av_mallocz_array(s->numXtiles * s->numYtiles, sizeof(*s->tile));
+    s->tile = av_calloc(s->numXtiles * s->numYtiles, sizeof(*s->tile));
     if (!s->tile) {
         s->numXtiles = s->numYtiles = 0;
         return AVERROR(ENOMEM);
@@ -1176,7 +1176,7 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
             cblk->nb_lengthinc = 0;
             cblk->nb_terminationsinc = 0;
             av_free(cblk->lengthinc);
-            cblk->lengthinc  = av_mallocz_array(newpasses    , sizeof(*cblk->lengthinc));
+            cblk->lengthinc = av_calloc(newpasses, sizeof(*cblk->lengthinc));
             if (!cblk->lengthinc)
                 return AVERROR(ENOMEM);
             tmp = av_realloc_array(cblk->data_start, cblk->nb_terminations + newpasses + 1, sizeof(*cblk->data_start));

libavcodec/libopencore-amr.c

@@ -249,7 +249,7 @@ static int amr_nb_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
 
     if (frame) {
         if (frame->nb_samples < avctx->frame_size) {
-            flush_buf = av_mallocz_array(avctx->frame_size, sizeof(*flush_buf));
+            flush_buf = av_calloc(avctx->frame_size, sizeof(*flush_buf));
             if (!flush_buf)
                 return AVERROR(ENOMEM);
             memcpy(flush_buf, samples, frame->nb_samples * sizeof(*flush_buf));
@@ -264,7 +264,7 @@ static int amr_nb_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     } else {
         if (s->enc_last_frame < 0)
             return 0;
-        flush_buf = av_mallocz_array(avctx->frame_size, sizeof(*flush_buf));
+        flush_buf = av_calloc(avctx->frame_size, sizeof(*flush_buf));
         if (!flush_buf)
             return AVERROR(ENOMEM);
         samples = flush_buf;

libavcodec/libopusenc.c

@@ -409,7 +409,7 @@ static av_cold int libopus_encode_init(AVCodecContext *avctx)
     }
     avctx->extradata_size = header_size;
 
-    opus->samples = av_mallocz_array(frame_size, avctx->channels *
+    opus->samples = av_calloc(frame_size, avctx->channels *
                                av_get_bytes_per_sample(avctx->sample_fmt));
     if (!opus->samples) {
         av_log(avctx, AV_LOG_ERROR, "Failed to allocate samples buffer.\n");

libavcodec/libvpxenc.c

@@ -1492,7 +1492,7 @@ static int set_roi_map(AVCodecContext *avctx, const AVFrameSideData *sd, int fra
 
     roi_map->rows = (frame_height + block_size - 1) / block_size;
     roi_map->cols = (frame_width  + block_size - 1) / block_size;
-    roi_map->roi_map = av_mallocz_array(roi_map->rows * roi_map->cols, sizeof(*roi_map->roi_map));
+    roi_map->roi_map = av_calloc(roi_map->rows * roi_map->cols, sizeof(*roi_map->roi_map));
     if (!roi_map->roi_map) {
         av_log(avctx, AV_LOG_ERROR, "roi_map alloc failed.\n");
         return AVERROR(ENOMEM);

libavcodec/libx264.c

@@ -397,7 +397,7 @@ static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
                     }
                     nb_rois = sd->size / roi_size;
 
-                    qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
+                    qoffsets = av_calloc(mbx * mby, sizeof(*qoffsets));
                     if (!qoffsets)
                         return AVERROR(ENOMEM);
 

libavcodec/libx265.c

@@ -460,7 +460,7 @@ static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *fr
             }
             nb_rois = sd->size / roi_size;
 
-            qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
+            qoffsets = av_calloc(mbx * mby, sizeof(*qoffsets));
             if (!qoffsets)
                 return AVERROR(ENOMEM);
 

libavcodec/libxavs.c

@@ -347,7 +347,7 @@ static av_cold int XAVS_init(AVCodecContext *avctx)
     if (!x4->enc)
         return AVERROR_EXTERNAL;
 
-    if (!(x4->pts_buffer = av_mallocz_array((avctx->max_b_frames+1), sizeof(*x4->pts_buffer))))
+    if (!FF_ALLOCZ_TYPED_ARRAY(x4->pts_buffer, avctx->max_b_frames + 1))
         return AVERROR(ENOMEM);
 
     /* TAG: Do we have GLOBAL HEADER in AVS */

libavcodec/mjpegdec.c

@@ -762,8 +762,8 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
             int size = bw * bh * s->h_count[i] * s->v_count[i];
             av_freep(&s->blocks[i]);
             av_freep(&s->last_nnz[i]);
-            s->blocks[i]       = av_mallocz_array(size, sizeof(**s->blocks));
+            s->blocks[i]       = av_calloc(size, sizeof(**s->blocks));
-            s->last_nnz[i]     = av_mallocz_array(size, sizeof(**s->last_nnz));
+            s->last_nnz[i]     = av_calloc(size, sizeof(**s->last_nnz));
             if (!s->blocks[i] || !s->last_nnz[i])
                 return AVERROR(ENOMEM);
             s->block_stride[i] = bw * s->h_count[i];

libavcodec/mlz.c

@@ -21,7 +21,7 @@
 #include "mlz.h"
 
 av_cold void ff_mlz_init_dict(void* context, MLZ *mlz) {
-    mlz->dict = av_mallocz_array(TABLE_SIZE, sizeof(*mlz->dict));
+    mlz->dict = av_mallocz(TABLE_SIZE * sizeof(*mlz->dict));
 
     mlz->flush_code            = FLUSH_CODE;
     mlz->current_dic_index_max = DIC_INDEX_INIT;

libavcodec/motionpixels.c

@@ -80,10 +80,10 @@ static av_cold int mp_decode_init(AVCodecContext *avctx)
 
     mp->avctx = avctx;
     ff_bswapdsp_init(&mp->bdsp);
-    mp->changes_map = av_mallocz_array(avctx->width, h4);
+    mp->changes_map = av_calloc(avctx->width, h4);
     mp->offset_bits_len = av_log2(avctx->width * avctx->height) + 1;
-    mp->vpt = av_mallocz_array(avctx->height, sizeof(YuvPixel));
+    mp->vpt = av_calloc(avctx->height, sizeof(*mp->vpt));
-    mp->hpt = av_mallocz_array(h4 / 4, w4 / 4 * sizeof(YuvPixel));
+    mp->hpt = av_calloc(h4 / 4, w4 / 4 * sizeof(*mp->hpt));
     if (!mp->changes_map || !mp->vpt || !mp->hpt)
         return AVERROR(ENOMEM);
     avctx->pix_fmt = AV_PIX_FMT_RGB555;

libavcodec/nvenc.c

@@ -1578,7 +1578,7 @@ static av_cold int nvenc_setup_surfaces(AVCodecContext *avctx)
     NvencContext *ctx = avctx->priv_data;
     int i, res = 0, res2;
 
-    ctx->surfaces = av_mallocz_array(ctx->nb_surfaces, sizeof(*ctx->surfaces));
+    ctx->surfaces = av_calloc(ctx->nb_surfaces, sizeof(*ctx->surfaces));
     if (!ctx->surfaces)
         return AVERROR(ENOMEM);
 

libavcodec/omx.c

@@ -360,7 +360,7 @@ static av_cold int find_component(OMXContext *omx_context, void *logctx,
         av_log(logctx, AV_LOG_WARNING, "No component for role %s found\n", role);
         return AVERROR_ENCODER_NOT_FOUND;
     }
-    components = av_mallocz_array(num, sizeof(*components));
+    components = av_calloc(num, sizeof(*components));
     if (!components)
         return AVERROR(ENOMEM);
     for (i = 0; i < num; i++) {

libavcodec/opus.c

@@ -400,7 +400,7 @@ av_cold int ff_opus_parse_extradata(AVCodecContext *avctx,
         return AVERROR_PATCHWELCOME;
     }
 
-    s->channel_maps = av_mallocz_array(channels, sizeof(*s->channel_maps));
+    s->channel_maps = av_calloc(channels, sizeof(*s->channel_maps));
     if (!s->channel_maps)
         return AVERROR(ENOMEM);
 

libavcodec/opusdec.c

@@ -634,7 +634,7 @@ static av_cold int opus_decode_init(AVCodecContext *avctx)
         return ret;
 
     /* allocate and init each independent decoder */
-    c->streams = av_mallocz_array(c->nb_streams, sizeof(*c->streams));
+    c->streams = av_calloc(c->nb_streams, sizeof(*c->streams));
     if (!c->streams) {
         c->nb_streams = 0;
         return AVERROR(ENOMEM);

libavcodec/pgssubdec.c

@@ -518,7 +518,7 @@ static int display_end_segment(AVCodecContext *avctx, void *data,
     // Blank if last object_count was 0.
     if (!ctx->presentation.object_count)
         return 1;
-    sub->rects = av_mallocz_array(ctx->presentation.object_count, sizeof(*sub->rects));
+    sub->rects = av_calloc(ctx->presentation.object_count, sizeof(*sub->rects));
     if (!sub->rects) {
         return AVERROR(ENOMEM);
     }

libavcodec/png.c

@@ -40,7 +40,7 @@ static const uint8_t ff_png_pass_xshift[NB_PASSES] = {
 
 void *ff_png_zalloc(void *opaque, unsigned int items, unsigned int size)
 {
-    return av_mallocz_array(items, size);
+    return av_calloc(items, size);
 }
 
 void ff_png_zfree(void *opaque, void *ptr)

libavcodec/proresdec2.c

@@ -340,7 +340,7 @@ static int decode_picture_header(AVCodecContext *avctx, const uint8_t *buf, cons
     if (ctx->slice_count != slice_count || !ctx->slices) {
         av_freep(&ctx->slices);
         ctx->slice_count = 0;
-        ctx->slices = av_mallocz_array(slice_count, sizeof(*ctx->slices));
+        ctx->slices = av_calloc(slice_count, sizeof(*ctx->slices));
         if (!ctx->slices)
             return AVERROR(ENOMEM);
         ctx->slice_count = slice_count;

libavcodec/psymodel.c

@@ -35,8 +35,8 @@ av_cold int ff_psy_init(FFPsyContext *ctx, AVCodecContext *avctx, int num_lens,
     int i, j, k = 0;
 
     ctx->avctx = avctx;
-    ctx->ch        = av_mallocz_array(sizeof(ctx->ch[0]), avctx->channels * 2);
+    ctx->ch        = av_calloc(avctx->channels, 2 * sizeof(ctx->ch[0]));
-    ctx->group     = av_mallocz_array(sizeof(ctx->group[0]), num_groups);
+    ctx->group     = av_calloc(num_groups, sizeof(ctx->group[0]));
     ctx->bands     = av_malloc_array (sizeof(ctx->bands[0]),      num_lens);
     ctx->num_bands = av_malloc_array (sizeof(ctx->num_bands[0]),  num_lens);
     ctx->cutoff    = avctx->cutoff;
@@ -120,7 +120,7 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
                                                  FF_FILTER_MODE_LOWPASS, FILT_ORDER,
                                                  cutoff_coeff, 0.0, 0.0);
         if (ctx->fcoeffs) {
-            ctx->fstate = av_mallocz_array(sizeof(ctx->fstate[0]), avctx->channels);
+            ctx->fstate = av_calloc(avctx->channels, sizeof(ctx->fstate[0]));
             if (!ctx->fstate) {
                 av_free(ctx->fcoeffs);
                 av_free(ctx);

libavcodec/pthread_frame.c

@@ -878,7 +878,7 @@ int ff_frame_thread_init(AVCodecContext *avctx)
     if (codec->type == AVMEDIA_TYPE_VIDEO)
         avctx->delay = src->thread_count - 1;
 
-    fctx->threads = av_mallocz_array(thread_count, sizeof(PerThreadContext));
+    fctx->threads = av_calloc(thread_count, sizeof(*fctx->threads));
     if (!fctx->threads) {
         err = AVERROR(ENOMEM);
         goto error;

libavcodec/pthread_slice.c

@@ -211,7 +211,7 @@ int ff_alloc_entries(AVCodecContext *avctx, int count)
         }
 
         p->thread_count  = avctx->thread_count;
-        p->entries       = av_mallocz_array(count, sizeof(int));
+        p->entries       = av_calloc(count, sizeof(*p->entries));
 
         if (!p->progress_mutex) {
             p->progress_mutex = av_malloc_array(p->thread_count, sizeof(pthread_mutex_t));

libavcodec/qsv.c

@@ -452,7 +452,7 @@ static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
     if (!hw_frames_ref1)
         return NULL;
 
-    mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
+    mids = av_calloc(nb_surfaces, sizeof(*mids));
     if (!mids) {
         av_buffer_unref(&hw_frames_ref1);
         return NULL;
@@ -487,7 +487,7 @@ static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_re
     // the allocated size of the array is two larger than the number of
     // surfaces, we store the references to the frames context and the
     // QSVMid array there
-    resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
+    resp->mids = av_calloc(nb_surfaces + 2, sizeof(*resp->mids));
     if (!resp->mids)
         return AVERROR(ENOMEM);
 

libavcodec/qsvenc.c

@@ -1181,7 +1181,7 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
         AVQSVContext *qsv = avctx->hwaccel_context;
         int i, j;
 
-        q->extparam = av_mallocz_array(qsv->nb_ext_buffers + q->nb_extparam_internal,
+        q->extparam = av_calloc(qsv->nb_ext_buffers + q->nb_extparam_internal,
                                 sizeof(*q->extparam));
         if (!q->extparam)
             return AVERROR(ENOMEM);

libavcodec/qtrleenc.c

@@ -111,7 +111,7 @@ static av_cold int qtrle_encode_init(AVCodecContext *avctx)
 
     s->rlecode_table = av_mallocz(s->logical_width);
     s->skip_table    = av_mallocz(s->logical_width);
-    s->length_table  = av_mallocz_array(s->logical_width + 1, sizeof(int));
+    s->length_table  = av_calloc(s->logical_width + 1, sizeof(*s->length_table));
     if (!s->skip_table || !s->length_table || !s->rlecode_table) {
         av_log(avctx, AV_LOG_ERROR, "Error allocating memory.\n");
         return AVERROR(ENOMEM);

libavcodec/roqvideoenc.c

@@ -1003,13 +1003,13 @@ static av_cold int roq_encode_init(AVCodecContext *avctx)
         return AVERROR(ENOMEM);
 
     enc->this_motion4 =
-        av_mallocz_array(roq->width * roq->height / 16, sizeof(motion_vect));
+        av_calloc(roq->width * roq->height / 16, sizeof(*enc->this_motion4));
 
     enc->last_motion4 =
         av_malloc_array (roq->width * roq->height / 16, sizeof(motion_vect));
 
     enc->this_motion8 =
-        av_mallocz_array(roq->width * roq->height / 64, sizeof(motion_vect));
+        av_calloc(roq->width * roq->height / 64, sizeof(*enc->this_motion8));
 
     enc->last_motion8 =
         av_malloc_array (roq->width * roq->height / 64, sizeof(motion_vect));

libavcodec/snow.c

@@ -116,7 +116,7 @@ int ff_snow_alloc_blocks(SnowContext *s){
     s->b_height= h;
 
     av_free(s->block);
-    s->block= av_mallocz_array(w * h,  sizeof(BlockNode) << (s->block_max_depth*2));
+    s->block = av_calloc(w * h,  sizeof(*s->block) << (s->block_max_depth*2));
     if (!s->block)
         return AVERROR(ENOMEM);
 
@@ -567,7 +567,8 @@ int ff_snow_common_init_after_header(AVCodecContext *avctx) {
                     b->parent= &s->plane[plane_index].band[level-1][orientation];
                 //FIXME avoid this realloc
                 av_freep(&b->x_coeff);
-                b->x_coeff=av_mallocz_array(((b->width+1) * b->height+1), sizeof(x_and_coeff));
+                b->x_coeff = av_calloc((b->width + 1) * b->height + 1,
+                                       sizeof(*b->x_coeff));
                 if (!b->x_coeff)
                     return AVERROR(ENOMEM);
             }

libavcodec/snow_dwt.c

@@ -35,7 +35,7 @@ int ff_slice_buffer_init(slice_buffer *buf, int line_count,
     buf->line_count  = line_count;
     buf->line_width  = line_width;
     buf->data_count  = max_allocated_lines;
-    buf->line        = av_mallocz_array(line_count, sizeof(IDWTELEM *));
+    buf->line        = av_calloc(line_count, sizeof(*buf->line));
     if (!buf->line)
         return AVERROR(ENOMEM);
     buf->data_stack  = av_malloc_array(max_allocated_lines, sizeof(IDWTELEM *));

libavcodec/snowenc.c

@@ -79,7 +79,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
     s->m.mb_num  = (avctx->width * avctx->height + 255) / 256; // For ratecontrol
 
     s->m.me.temp      =
-    s->m.me.scratchpad= av_mallocz_array((avctx->width+64), 2*16*2*sizeof(uint8_t));
+    s->m.me.scratchpad = av_calloc(avctx->width + 64, 2*16*2*sizeof(uint8_t));
     s->m.me.map       = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
     s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
     s->m.sc.obmc_scratchpad= av_mallocz(MB_SIZE*MB_SIZE*12*sizeof(uint32_t));
@@ -145,8 +145,8 @@ static av_cold int encode_init(AVCodecContext *avctx)
     if(s->motion_est == FF_ME_ITER){
         int size= s->b_width * s->b_height << 2*s->block_max_depth;
         for(i=0; i<s->max_ref_frames; i++){
-            s->ref_mvs[i]= av_mallocz_array(size, sizeof(int16_t[2]));
+            s->ref_mvs[i]    = av_calloc(size, sizeof(*s->ref_mvs[i]));
-            s->ref_scores[i]= av_mallocz_array(size, sizeof(uint32_t));
+            s->ref_scores[i] = av_calloc(size, sizeof(*s->ref_scores[i]));
             if (!s->ref_mvs[i] || !s->ref_scores[i])
                 return AVERROR(ENOMEM);
         }

libavcodec/svq3.c

@@ -1364,7 +1364,7 @@ static int get_buffer(AVCodecContext *avctx, SVQ3Frame *pic)
         goto fail;
 
     if (!s->edge_emu_buffer) {
-        s->edge_emu_buffer = av_mallocz_array(pic->f->linesize[0], 17);
+        s->edge_emu_buffer = av_calloc(pic->f->linesize[0], 17);
         if (!s->edge_emu_buffer)
             return AVERROR(ENOMEM);
     }

libavcodec/tests/snowenc.c

@@ -37,8 +37,8 @@ int main(void){
     s.spatial_decomposition_count=6;
     s.spatial_decomposition_type=1;
 
-    s.temp_dwt_buffer  = av_mallocz_array(width, sizeof(DWTELEM));
+    s.temp_dwt_buffer  = av_calloc(width, sizeof(*s.temp_dwt_buffer));
-    s.temp_idwt_buffer = av_mallocz_array(width, sizeof(IDWTELEM));
+    s.temp_idwt_buffer = av_calloc(width, sizeof(*s.temp_idwt_buffer));
 
     if (!s.temp_dwt_buffer || !s.temp_idwt_buffer) {
         fprintf(stderr, "Failed to allocate memory\n");

libavcodec/tiff.c

@@ -1588,7 +1588,7 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
             s->geotag_count = 0;
             return -1;
         }
-        s->geotags = av_mallocz_array(s->geotag_count, sizeof(TiffGeoTag));
+        s->geotags = av_calloc(s->geotag_count, sizeof(*s->geotags));
         if (!s->geotags) {
             av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
             s->geotag_count = 0;

libavcodec/tta.c

@@ -107,7 +107,8 @@ static int allocate_buffers(AVCodecContext *avctx)
     TTAContext *s = avctx->priv_data;
 
     if (s->bps < 3) {
-        s->decode_buffer = av_mallocz_array(sizeof(int32_t)*s->frame_length, s->channels);
+        s->decode_buffer = av_calloc(s->frame_length,
+                                     sizeof(*s->decode_buffer) * s->channels);
         if (!s->decode_buffer)
             return AVERROR(ENOMEM);
     } else

libavcodec/utils.c

@@ -379,8 +379,7 @@ int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
 
     planar = av_sample_fmt_is_planar(sample_fmt);
     if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
-        if (!(frame->extended_data = av_mallocz_array(nb_channels,
+        if (!FF_ALLOCZ_TYPED_ARRAY(frame->extended_data, nb_channels))
-                                                sizeof(*frame->extended_data))))
             return AVERROR(ENOMEM);
     } else {
         frame->extended_data = frame->data;

libavcodec/vaapi_encode.c

@@ -429,7 +429,7 @@ static int vaapi_encode_issue(AVCodecContext *avctx,
     if (pic->nb_slices == 0)
         pic->nb_slices = ctx->nb_slices;
     if (pic->nb_slices > 0) {
-        pic->slices = av_mallocz_array(pic->nb_slices, sizeof(*pic->slices));
+        pic->slices = av_calloc(pic->nb_slices, sizeof(*pic->slices));
         if (!pic->slices) {
             err = AVERROR(ENOMEM);
             goto fail;
@@ -511,7 +511,7 @@ static int vaapi_encode_issue(AVCodecContext *avctx,
             nb_roi = ctx->roi_max_regions;
         }
 
-        pic->roi = av_mallocz_array(nb_roi, sizeof(*pic->roi));
+        pic->roi = av_calloc(nb_roi, sizeof(*pic->roi));
         if (!pic->roi) {
             err = AVERROR(ENOMEM);
             goto fail;

libavcodec/vorbisdec.c

@@ -379,7 +379,7 @@ static int vorbis_parse_setup_hdr_codebooks(vorbis_context *vc)
 // Weed out unused vlcs and build codevector vector
             if (used_entries) {
                 codebook_setup->codevectors =
-                    av_mallocz_array(used_entries, codebook_setup->dimensions *
+                    av_calloc(used_entries, codebook_setup->dimensions *
                                sizeof(*codebook_setup->codevectors));
                 if (!codebook_setup->codevectors) {
                     ret = AVERROR(ENOMEM);
@@ -567,7 +567,7 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
             for (j = 0; j < floor_setup->data.t1.partitions; ++j)
                 floor_setup->data.t1.x_list_dim+=floor_setup->data.t1.class_dimensions[floor_setup->data.t1.partition_class[j]];
 
-            floor_setup->data.t1.list = av_mallocz_array(floor_setup->data.t1.x_list_dim,
+            floor_setup->data.t1.list = av_calloc(floor_setup->data.t1.x_list_dim,
                                                    sizeof(*floor_setup->data.t1.list));
             if (!floor_setup->data.t1.list)
                 return AVERROR(ENOMEM);
@@ -823,7 +823,7 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)
         }
 
         if (mapping_setup->submaps>1) {
-            mapping_setup->mux = av_mallocz_array(vc->audio_channels,
+            mapping_setup->mux = av_calloc(vc->audio_channels,
                                             sizeof(*mapping_setup->mux));
             if (!mapping_setup->mux)
                 return AVERROR(ENOMEM);
@@ -1000,7 +1000,7 @@ static int vorbis_parse_id_hdr(vorbis_context *vc)
     }
 
     vc->channel_residues =  av_malloc_array(vc->blocksize[1]  / 2, vc->audio_channels * sizeof(*vc->channel_residues));
-    vc->saved            =  av_mallocz_array(vc->blocksize[1] / 4, vc->audio_channels * sizeof(*vc->saved));
+    vc->saved            =  av_calloc(vc->blocksize[1] / 4, vc->audio_channels * sizeof(*vc->saved));
     if (!vc->channel_residues || !vc->saved)
         return AVERROR(ENOMEM);
 

libavcodec/vorbisenc.c

@@ -182,7 +182,7 @@ static int ready_codebook(vorbis_enc_codebook *cb)
     } else {
         int vals = cb_lookup_vals(cb->lookup, cb->ndimensions, cb->nentries);
         cb->dimensions = av_malloc_array(cb->nentries, sizeof(float) * cb->ndimensions);
-        cb->pow2 = av_mallocz_array(cb->nentries, sizeof(float));
+        cb->pow2 = av_calloc(cb->nentries, sizeof(*cb->pow2));
         if (!cb->dimensions || !cb->pow2)
             return AVERROR(ENOMEM);
         for (i = 0; i < cb->nentries; i++) {
@@ -212,7 +212,7 @@ static int ready_residue(vorbis_enc_residue *rc, vorbis_enc_context *venc)
 {
     int i;
     av_assert0(rc->type == 2);
-    rc->maxes = av_mallocz_array(rc->classifications, sizeof(float[2]));
+    rc->maxes = av_calloc(rc->classifications, sizeof(*rc->maxes));
     if (!rc->maxes)
         return AVERROR(ENOMEM);
     for (i = 0; i < rc->classifications; i++) {

libavcodec/vp3.c

@@ -2277,19 +2277,19 @@ static av_cold int allocate_tables(AVCodecContext *avctx)
 
     /* superblock_coding is used by unpack_superblocks (VP3/Theora) and vp4_unpack_macroblocks (VP4) */
     s->superblock_coding = av_mallocz(FFMAX(s->superblock_count, s->yuv_macroblock_count));
-    s->all_fragments     = av_mallocz_array(s->fragment_count, sizeof(Vp3Fragment));
+    s->all_fragments     = av_calloc(s->fragment_count, sizeof(*s->all_fragments));
 
-    s-> kf_coded_fragment_list = av_mallocz_array(s->fragment_count, sizeof(int));
+    s-> kf_coded_fragment_list = av_calloc(s->fragment_count, sizeof(int));
-    s->nkf_coded_fragment_list = av_mallocz_array(s->fragment_count, sizeof(int));
+    s->nkf_coded_fragment_list = av_calloc(s->fragment_count, sizeof(int));
     memset(s-> num_kf_coded_fragment, -1, sizeof(s-> num_kf_coded_fragment));
 
-    s->dct_tokens_base = av_mallocz_array(s->fragment_count,
+    s->dct_tokens_base = av_calloc(s->fragment_count,
                                    64 * sizeof(*s->dct_tokens_base));
-    s->motion_val[0] = av_mallocz_array(y_fragment_count, sizeof(*s->motion_val[0]));
+    s->motion_val[0] = av_calloc(y_fragment_count, sizeof(*s->motion_val[0]));
-    s->motion_val[1] = av_mallocz_array(c_fragment_count, sizeof(*s->motion_val[1]));
+    s->motion_val[1] = av_calloc(c_fragment_count, sizeof(*s->motion_val[1]));
 
     /* work out the block mapping tables */
-    s->superblock_fragments = av_mallocz_array(s->superblock_count, 16 * sizeof(int));
+    s->superblock_fragments = av_calloc(s->superblock_count, 16 * sizeof(int));
     s->macroblock_coding    = av_mallocz(s->macroblock_count + 1);
 
     s->dc_pred_row = av_malloc_array(s->y_superblock_width * 4, sizeof(*s->dc_pred_row));

libavcodec/vp9.c

@@ -793,7 +793,7 @@ static int decode_frame_header(AVCodecContext *avctx,
         } else {
             n_range_coders = s->s.h.tiling.tile_cols;
         }
-        s->td = av_mallocz_array(s->active_tile_cols, sizeof(VP9TileData) +
+        s->td = av_calloc(s->active_tile_cols, sizeof(VP9TileData) +
                                  n_range_coders * sizeof(VP56RangeCoder));
         if (!s->td)
             return AVERROR(ENOMEM);

libavcodec/webp.c

@@ -581,7 +581,7 @@ static int decode_entropy_coded_image(WebPContext *s, enum ImageRole role,
                    img->color_cache_bits);
             return AVERROR_INVALIDDATA;
         }
-        img->color_cache = av_mallocz_array(1 << img->color_cache_bits,
+        img->color_cache = av_calloc(1 << img->color_cache_bits,
                                      sizeof(*img->color_cache));
         if (!img->color_cache)
             return AVERROR(ENOMEM);
@@ -596,8 +596,8 @@ static int decode_entropy_coded_image(WebPContext *s, enum ImageRole role,
             return ret;
         img->nb_huffman_groups = s->nb_huffman_groups;
     }
-    img->huffman_groups = av_mallocz_array(img->nb_huffman_groups *
+    img->huffman_groups = av_calloc(img->nb_huffman_groups,
-                                           HUFFMAN_CODES_PER_META_CODE,
+                                    HUFFMAN_CODES_PER_META_CODE *
                                     sizeof(*img->huffman_groups));
     if (!img->huffman_groups)
         return AVERROR(ENOMEM);

libavfilter/af_amix.c

@@ -257,7 +257,7 @@ static int config_output(AVFilterLink *outlink)
     if (!s->frame_list)
         return AVERROR(ENOMEM);
 
-    s->fifos = av_mallocz_array(s->nb_inputs, sizeof(*s->fifos));
+    s->fifos = av_calloc(s->nb_inputs, sizeof(*s->fifos));
     if (!s->fifos)
         return AVERROR(ENOMEM);
 
@@ -274,8 +274,8 @@ static int config_output(AVFilterLink *outlink)
     memset(s->input_state, INPUT_ON, s->nb_inputs);
     s->active_inputs = s->nb_inputs;
 
-    s->input_scale = av_mallocz_array(s->nb_inputs, sizeof(*s->input_scale));
+    s->input_scale = av_calloc(s->nb_inputs, sizeof(*s->input_scale));
-    s->scale_norm  = av_mallocz_array(s->nb_inputs, sizeof(*s->scale_norm));
+    s->scale_norm  = av_calloc(s->nb_inputs, sizeof(*s->scale_norm));
     if (!s->input_scale || !s->scale_norm)
         return AVERROR(ENOMEM);
     for (i = 0; i < s->nb_inputs; i++)
@@ -561,7 +561,7 @@ static av_cold int init(AVFilterContext *ctx)
     if (!s->fdsp)
         return AVERROR(ENOMEM);
 
-    s->weights = av_mallocz_array(s->nb_inputs, sizeof(*s->weights));
+    s->weights = av_calloc(s->nb_inputs, sizeof(*s->weights));
     if (!s->weights)
         return AVERROR(ENOMEM);
 

libavfilter/af_channelmap.c

@@ -310,7 +310,7 @@ static int channelmap_filter_frame(AVFilterLink *inlink, AVFrame *buf)
     if (nch_out > nch_in) {
         if (nch_out > FF_ARRAY_ELEMS(buf->data)) {
             uint8_t **new_extended_data =
-                av_mallocz_array(nch_out, sizeof(*buf->extended_data));
+                av_calloc(nch_out, sizeof(*buf->extended_data));
             if (!new_extended_data) {
                 av_frame_free(&buf);
                 return AVERROR(ENOMEM);

libavfilter/af_compand.c

@@ -344,9 +344,9 @@ static int config_output(AVFilterLink *outlink)
 
     uninit(ctx);
 
-    s->channels = av_mallocz_array(channels, sizeof(*s->channels));
+    s->channels = av_calloc(channels, sizeof(*s->channels));
     s->nb_segments = (nb_points + 4) * 2;
-    s->segments = av_mallocz_array(s->nb_segments, sizeof(*s->segments));
+    s->segments = av_calloc(s->nb_segments, sizeof(*s->segments));
 
     if (!s->channels || !s->segments) {
         uninit(ctx);

libavfilter/af_join.c

@@ -172,9 +172,9 @@ static av_cold int join_init(AVFilterContext *ctx)
     }
 
     s->nb_channels  = av_get_channel_layout_nb_channels(s->channel_layout);
-    s->channels     = av_mallocz_array(s->nb_channels, sizeof(*s->channels));
+    s->channels     = av_calloc(s->nb_channels, sizeof(*s->channels));
-    s->buffers      = av_mallocz_array(s->nb_channels, sizeof(*s->buffers));
+    s->buffers      = av_calloc(s->nb_channels, sizeof(*s->buffers));
-    s->input_frames = av_mallocz_array(s->inputs, sizeof(*s->input_frames));
+    s->input_frames = av_calloc(s->inputs, sizeof(*s->input_frames));
     if (!s->channels || !s->buffers|| !s->input_frames)
         return AVERROR(ENOMEM);
 
@@ -283,7 +283,7 @@ static int join_config_output(AVFilterLink *outlink)
     int i, ret = 0;
 
     /* initialize inputs to user-specified mappings */
-    if (!(inputs = av_mallocz_array(ctx->nb_inputs, sizeof(*inputs))))
+    if (!(inputs = av_calloc(ctx->nb_inputs, sizeof(*inputs))))
         return AVERROR(ENOMEM);
     for (i = 0; i < s->nb_channels; i++) {
         ChannelMap *ch = &s->channels[i];
@@ -383,7 +383,7 @@ static int try_push_frame(AVFilterContext *ctx)
     if (!frame)
         return AVERROR(ENOMEM);
     if (s->nb_channels > FF_ARRAY_ELEMS(frame->data)) {
-        frame->extended_data = av_mallocz_array(s->nb_channels,
+        frame->extended_data = av_calloc(s->nb_channels,
                                           sizeof(*frame->extended_data));
         if (!frame->extended_data) {
             ret = AVERROR(ENOMEM);
@@ -417,7 +417,7 @@ static int try_push_frame(AVFilterContext *ctx)
     /* create references to the buffers we copied to output */
     if (nb_buffers > FF_ARRAY_ELEMS(frame->buf)) {
         frame->nb_extended_buf = nb_buffers - FF_ARRAY_ELEMS(frame->buf);
-        frame->extended_buf = av_mallocz_array(frame->nb_extended_buf,
+        frame->extended_buf = av_calloc(frame->nb_extended_buf,
                                         sizeof(*frame->extended_buf));
         if (!frame->extended_buf) {
             frame->nb_extended_buf = 0;

libavfilter/af_silencedetect.c

@@ -169,7 +169,8 @@ static int config_input(AVFilterLink *inlink)
     s->channels = inlink->channels;
     s->duration = av_rescale(s->duration, inlink->sample_rate, AV_TIME_BASE);
     s->independent_channels = s->mono ? s->channels : 1;
-    s->nb_null_samples = av_mallocz_array(sizeof(*s->nb_null_samples), s->independent_channels);
+    s->nb_null_samples = av_calloc(s->independent_channels,
+                                   sizeof(*s->nb_null_samples));
     if (!s->nb_null_samples)
         return AVERROR(ENOMEM);
     s->start = av_malloc_array(sizeof(*s->start), s->independent_channels);

libavfilter/avf_showwaves.c

@@ -427,7 +427,7 @@ static int config_output(AVFilterLink *outlink)
         showwaves->n = FFMAX(1, av_rescale_q(inlink->sample_rate, av_make_q(1, showwaves->w), showwaves->rate));
 
     showwaves->buf_idx = 0;
-    if (!(showwaves->buf_idy = av_mallocz_array(nb_channels, sizeof(*showwaves->buf_idy)))) {
+    if (!FF_ALLOCZ_TYPED_ARRAY(showwaves->buf_idy, nb_channels)) {
         av_log(ctx, AV_LOG_ERROR, "Could not allocate showwaves buffer\n");
         return AVERROR(ENOMEM);
     }
@@ -820,7 +820,7 @@ static int showwavespic_config_input(AVFilterLink *inlink)
     ShowWavesContext *showwaves = ctx->priv;
 
     if (showwaves->single_pic) {
-        showwaves->sum = av_mallocz_array(inlink->channels, sizeof(*showwaves->sum));
+        showwaves->sum = av_calloc(inlink->channels, sizeof(*showwaves->sum));
         if (!showwaves->sum)
             return AVERROR(ENOMEM);
     }

libavfilter/avfilter.c

@@ -702,7 +702,7 @@ AVFilterContext *ff_filter_alloc(const AVFilter *filter, const char *inst_name)
         ret->input_pads   = av_memdup(filter->inputs,  ret->nb_inputs  * sizeof(*filter->inputs));
         if (!ret->input_pads)
             goto err;
-        ret->inputs       = av_mallocz_array(ret->nb_inputs, sizeof(AVFilterLink*));
+        ret->inputs      = av_calloc(ret->nb_inputs, sizeof(*ret->inputs));
         if (!ret->inputs)
             goto err;
     }
@@ -712,7 +712,7 @@ AVFilterContext *ff_filter_alloc(const AVFilter *filter, const char *inst_name)
         ret->output_pads  = av_memdup(filter->outputs, ret->nb_outputs * sizeof(*filter->outputs));
         if (!ret->output_pads)
             goto err;
-        ret->outputs      = av_mallocz_array(ret->nb_outputs, sizeof(AVFilterLink*));
+        ret->outputs     = av_calloc(ret->nb_outputs, sizeof(*ret->outputs));
         if (!ret->outputs)
             goto err;
     }

libavfilter/dnn/dnn_backend_tf.c

@@ -1006,7 +1006,7 @@ static DNNReturnType fill_model_input_tf(TFModel *tf_model, TFRequestItem *reque
         goto err;
     }
 
-    infer_request->output_tensors = av_mallocz_array(task->nb_output, sizeof(*infer_request->output_tensors));
+    infer_request->output_tensors = av_calloc(task->nb_output, sizeof(*infer_request->output_tensors));
     if (!infer_request->output_tensors) {
         av_log(ctx, AV_LOG_ERROR, "Failed to allocate memory for output tensor\n");
         goto err;

libavfilter/dnn_filter_common.c

@@ -29,7 +29,7 @@ static char **separate_output_names(const char *expr, const char *val_sep, int *
         return NULL;
     }
 
-    parsed_vals = av_mallocz_array(MAX_SUPPORTED_OUTPUTS_NB, sizeof(*parsed_vals));
+    parsed_vals = av_calloc(MAX_SUPPORTED_OUTPUTS_NB, sizeof(*parsed_vals));
     if (!parsed_vals) {
         return NULL;
     }

libavfilter/ebur128.c

@@ -232,7 +232,7 @@ FFEBUR128State *ff_ebur128_init(unsigned int channels,
     CHECK_ERROR(errcode, 0, free_internal)
 
     st->d->sample_peak =
-        (double *) av_mallocz_array(channels, sizeof(*st->d->sample_peak));
+        (double *) av_calloc(channels, sizeof(*st->d->sample_peak));
     CHECK_ERROR(!st->d->sample_peak, 0, free_channel_map)
 
     st->samplerate = samplerate;
@@ -253,7 +253,7 @@ FFEBUR128State *ff_ebur128_init(unsigned int channels,
             - (st->d->audio_data_frames % st->d->samples_in_100ms);
     }
     st->d->audio_data =
-        (double *) av_mallocz_array(st->d->audio_data_frames,
+        (double *) av_calloc(st->d->audio_data_frames,
                              st->channels * sizeof(*st->d->audio_data));
     CHECK_ERROR(!st->d->audio_data, 0, free_sample_peak)
 

libavfilter/framepool.c

@@ -243,10 +243,10 @@ AVFrame *ff_frame_pool_get(FFFramePool *pool)
         frame->linesize[0] = pool->linesize[0];
 
         if (pool->planes > AV_NUM_DATA_POINTERS) {
-            frame->extended_data = av_mallocz_array(pool->planes,
+            frame->extended_data = av_calloc(pool->planes,
                                              sizeof(*frame->extended_data));
             frame->nb_extended_buf = pool->planes - AV_NUM_DATA_POINTERS;
-            frame->extended_buf = av_mallocz_array(frame->nb_extended_buf,
+            frame->extended_buf  = av_calloc(frame->nb_extended_buf,
                                              sizeof(*frame->extended_buf));
             if (!frame->extended_data || !frame->extended_buf)
                 goto fail;

libavfilter/qsvvpp.c

@@ -499,7 +499,7 @@ static int init_vpp_session(AVFilterContext *avctx, QSVVPPContext *s)
 
         s->in_mem_mode = in_frames_hwctx->frame_type;
 
-        s->surface_ptrs_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
+        s->surface_ptrs_in = av_calloc(in_frames_hwctx->nb_surfaces,
                                        sizeof(*s->surface_ptrs_in));
         if (!s->surface_ptrs_in)
             return AVERROR(ENOMEM);
@@ -548,7 +548,7 @@ static int init_vpp_session(AVFilterContext *avctx, QSVVPPContext *s)
             return ret;
         }
 
-        s->surface_ptrs_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
+        s->surface_ptrs_out = av_calloc(out_frames_hwctx->nb_surfaces,
                                         sizeof(*s->surface_ptrs_out));
         if (!s->surface_ptrs_out) {
             av_buffer_unref(&out_frames_ref);
@@ -672,7 +672,7 @@ int ff_qsvvpp_create(AVFilterContext *avctx, QSVVPPContext **vpp, QSVVPPParam *p
     if (ret < 0)
         goto failed;
 
-    s->frame_infos = av_mallocz_array(avctx->nb_inputs, sizeof(*s->frame_infos));
+    s->frame_infos = av_calloc(avctx->nb_inputs, sizeof(*s->frame_infos));
     if (!s->frame_infos) {
         ret = AVERROR(ENOMEM);
         goto failed;
@@ -708,7 +708,7 @@ int ff_qsvvpp_create(AVFilterContext *avctx, QSVVPPContext **vpp, QSVVPPParam *p
 
     if (IS_OPAQUE_MEMORY(s->in_mem_mode) || IS_OPAQUE_MEMORY(s->out_mem_mode)) {
         s->nb_ext_buffers = param->num_ext_buf + 1;
-        s->ext_buffers = av_mallocz_array(s->nb_ext_buffers, sizeof(*s->ext_buffers));
+        s->ext_buffers = av_calloc(s->nb_ext_buffers, sizeof(*s->ext_buffers));
         if (!s->ext_buffers) {
             ret = AVERROR(ENOMEM);
             goto failed;

libavfilter/tests/integral.c

@@ -54,8 +54,8 @@ int main(void)
     const int ii_lz_32 = ((ii_w + 1) + 3) & ~3;
 
     // "+1" is for the space of the top 0-line
-    uint32_t *ii  = av_mallocz_array(ii_h + 1, ii_lz_32 * sizeof(*ii));
+    uint32_t *ii  = av_calloc(ii_h + 1, ii_lz_32 * sizeof(*ii));
-    uint32_t *ii2 = av_mallocz_array(ii_h + 1, ii_lz_32 * sizeof(*ii2));
+    uint32_t *ii2 = av_calloc(ii_h + 1, ii_lz_32 * sizeof(*ii2));
 
     if (!ii || !ii2)
         return -1;

libavfilter/vf_colorconstancy.c

@@ -116,7 +116,7 @@ static int set_gauss(AVFilterContext *ctx)
     int i;
 
     for (i = 0; i <= difford; ++i) {
-        s->gauss[i] = av_mallocz_array(filtersize, sizeof(*s->gauss[i]));
+        s->gauss[i] = av_calloc(filtersize, sizeof(*s->gauss[i]));
         if (!s->gauss[i]) {
             for (; i >= 0; --i) {
                 av_freep(&s->gauss[i]);
@@ -219,7 +219,8 @@ static int setup_derivative_buffers(AVFilterContext* ctx, ThreadData *td)
     av_log(ctx, AV_LOG_TRACE, "Allocating %d buffer(s) for grey edge.\n", nb_buff);
     for (b = 0; b <= nb_buff; ++b) { // We need difford + 1 buffers
         for (p = 0; p < NUM_PLANES; ++p) {
-            td->data[b][p] = av_mallocz_array(s->planeheight[p] * s->planewidth[p], sizeof(*td->data[b][p]));
+            td->data[b][p] = av_calloc(s->planeheight[p] * s->planewidth[p],
+                                       sizeof(*td->data[b][p]));
             if (!td->data[b][p]) {
                 cleanup_derivative_buffers(td, b + 1, p);
                 return AVERROR(ENOMEM);

libavfilter/vf_coreimage.m

@@ -461,7 +461,7 @@ static av_cold int init(AVFilterContext *fctx)
         av_log(ctx, AV_LOG_DEBUG, "Filter count: %i\n", ctx->num_filters);
 
         // allocate CIFilter array
-        ctx->filters = av_mallocz_array(ctx->num_filters, sizeof(CIFilter*));
+        ctx->filters = av_calloc(ctx->num_filters, sizeof(CIFilter*));
         if (!ctx->filters) {
             av_log(ctx, AV_LOG_ERROR, "Could not allocate filter array.\n");
             return AVERROR(ENOMEM);

libavfilter/vf_curves.c

@@ -666,7 +666,7 @@ static int config_input(AVFilterLink *inlink)
 
     for (i = 0; i < NB_COMP + 1; i++) {
         if (!curves->graph[i])
-            curves->graph[i] = av_mallocz_array(curves->lut_size, sizeof(*curves->graph[0]));
+            curves->graph[i] = av_calloc(curves->lut_size, sizeof(*curves->graph[0]));
         if (!curves->graph[i])
             return AVERROR(ENOMEM);
         ret = parse_points_str(ctx, comp_points + i, curves->comp_points_str[i], curves->lut_size);

libavfilter/vf_deinterlace_qsv.c

@@ -233,7 +233,7 @@ static int init_out_session(AVFilterContext *ctx)
     s->ext_buffers[s->num_ext_buffers++] = (mfxExtBuffer *)&s->deint_conf;
 
     if (opaque) {
-        s->surface_ptrs = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
+        s->surface_ptrs = av_calloc(hw_frames_hwctx->nb_surfaces,
                                     sizeof(*s->surface_ptrs));
         if (!s->surface_ptrs)
             return AVERROR(ENOMEM);
@@ -263,7 +263,7 @@ static int init_out_session(AVFilterContext *ctx)
             .Free   = frame_free,
         };
 
-        s->mem_ids = av_mallocz_array(hw_frames_hwctx->nb_surfaces,
+        s->mem_ids = av_calloc(hw_frames_hwctx->nb_surfaces,
                                sizeof(*s->mem_ids));
         if (!s->mem_ids)
             return AVERROR(ENOMEM);

libavfilter/vf_dejudder.c

@@ -95,7 +95,7 @@ static av_cold int dejudder_init(AVFilterContext *ctx)
 {
     DejudderContext *s = ctx->priv;
 
-    s->ringbuff = av_mallocz_array(s->cycle+2, sizeof(*s->ringbuff));
+    s->ringbuff = av_calloc(s->cycle + 2, sizeof(*s->ringbuff));
     if (!s->ringbuff)
         return AVERROR(ENOMEM);
 

libavfilter/vf_libopencv.c

@@ -172,7 +172,7 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *
         ret = AVERROR_INVALIDDATA;
         goto end;
     }
-    if (!(*values = av_mallocz_array(sizeof(int) * *rows, *cols))) {
+    if (!(*values = av_calloc(sizeof(int) * *rows, *cols))) {
         ret = AVERROR(ENOMEM);
         goto end;
     }

libavfilter/vf_mestimate.c

@@ -100,7 +100,7 @@ static int config_input(AVFilterLink *inlink)
         return AVERROR(EINVAL);
 
     for (i = 0; i < 3; i++) {
-        s->mv_table[i] = av_mallocz_array(s->b_count, sizeof(*s->mv_table[0]));
+        s->mv_table[i] = av_calloc(s->b_count, sizeof(*s->mv_table[0]));
         if (!s->mv_table[i])
             return AVERROR(ENOMEM);
     }

libavfilter/vf_minterpolate.c

@@ -353,7 +353,7 @@ static int config_input(AVFilterLink *inlink)
 
     for (i = 0; i < NB_FRAMES; i++) {
         Frame *frame = &mi_ctx->frames[i];
-        frame->blocks = av_mallocz_array(mi_ctx->b_count, sizeof(Block));
+        frame->blocks = av_calloc(mi_ctx->b_count, sizeof(*frame->blocks));
         if (!frame->blocks)
             return AVERROR(ENOMEM);
     }
@@ -373,19 +373,19 @@ static int config_input(AVFilterLink *inlink)
         else if (mi_ctx->me_mode == ME_MODE_BILAT)
             me_ctx->get_cost = &get_sbad_ob;
 
-        mi_ctx->pixel_mvs = av_mallocz_array(width * height, sizeof(PixelMVS));
+        mi_ctx->pixel_mvs     = av_calloc(width * height, sizeof(*mi_ctx->pixel_mvs));
-        mi_ctx->pixel_weights = av_mallocz_array(width * height, sizeof(PixelWeights));
+        mi_ctx->pixel_weights = av_calloc(width * height, sizeof(*mi_ctx->pixel_weights));
-        mi_ctx->pixel_refs = av_mallocz_array(width * height, sizeof(PixelRefs));
+        mi_ctx->pixel_refs    = av_calloc(width * height, sizeof(*mi_ctx->pixel_refs));
         if (!mi_ctx->pixel_mvs || !mi_ctx->pixel_weights || !mi_ctx->pixel_refs)
             return AVERROR(ENOMEM);
 
         if (mi_ctx->me_mode == ME_MODE_BILAT)
-            if (!(mi_ctx->int_blocks = av_mallocz_array(mi_ctx->b_count, sizeof(Block))))
+            if (!FF_ALLOCZ_TYPED_ARRAY(mi_ctx->int_blocks, mi_ctx->b_count))
                 return AVERROR(ENOMEM);
 
         if (mi_ctx->me_method == AV_ME_METHOD_EPZS) {
             for (i = 0; i < 3; i++) {
-                mi_ctx->mv_table[i] = av_mallocz_array(mi_ctx->b_count, sizeof(*mi_ctx->mv_table[0]));
+                mi_ctx->mv_table[i] = av_calloc(mi_ctx->b_count, sizeof(*mi_ctx->mv_table[0]));
                 if (!mi_ctx->mv_table[i])
                     return AVERROR(ENOMEM);
             }
@@ -601,7 +601,7 @@ static int var_size_bme(MIContext *mi_ctx, Block *block, int x_mb, int y_mb, int
     }
 
     if (!block->subs) {
-        block->subs = av_mallocz_array(4, sizeof(Block));
+        block->subs = av_mallocz(4 * sizeof(*block->subs));
         if (!block->subs)
             return AVERROR(ENOMEM);
     }

libavfilter/vf_nlmeans.c

@@ -312,7 +312,7 @@ static int config_input(AVFilterLink *inlink)
     s->ii_lz_32 = FFALIGN(s->ii_w + 1, 4);
 
     // "+1" is for the space of the top 0-line
-    s->ii_orig = av_mallocz_array(s->ii_h + 1, s->ii_lz_32 * sizeof(*s->ii_orig));
+    s->ii_orig = av_calloc(s->ii_h + 1, s->ii_lz_32 * sizeof(*s->ii_orig));
     if (!s->ii_orig)
         return AVERROR(ENOMEM);
 

libavfilter/vf_overlay_qsv.c

@@ -325,7 +325,7 @@ static int overlay_qsv_init(AVFilterContext *ctx)
     vpp->comp_conf.Header.BufferId = MFX_EXTBUFF_VPP_COMPOSITE;
     vpp->comp_conf.Header.BufferSz = sizeof(vpp->comp_conf);
     vpp->comp_conf.NumInputStream  = ctx->nb_inputs;
-    vpp->comp_conf.InputStream     = av_mallocz_array(ctx->nb_inputs,
+    vpp->comp_conf.InputStream     = av_calloc(ctx->nb_inputs,
                                                sizeof(*vpp->comp_conf.InputStream));
     if (!vpp->comp_conf.InputStream)
         return AVERROR(ENOMEM);

libavfilter/vf_program_opencl.c

@@ -271,8 +271,7 @@ static av_cold int program_opencl_init(AVFilterContext *avctx)
     } else {
         int i;
 
-        ctx->frames = av_mallocz_array(ctx->nb_inputs,
+        ctx->frames = av_calloc(ctx->nb_inputs, sizeof(*ctx->frames));
-                                       sizeof(*ctx->frames));
         if (!ctx->frames)
             return AVERROR(ENOMEM);
 

libavfilter/vf_scale_qsv.c

@@ -343,7 +343,7 @@ static int init_out_session(AVFilterContext *ctx)
     memset(&par, 0, sizeof(par));
 
     if (opaque) {
-        s->surface_ptrs_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
+        s->surface_ptrs_in = av_calloc(in_frames_hwctx->nb_surfaces,
                                        sizeof(*s->surface_ptrs_in));
         if (!s->surface_ptrs_in)
             return AVERROR(ENOMEM);
@@ -351,7 +351,7 @@ static int init_out_session(AVFilterContext *ctx)
             s->surface_ptrs_in[i] = in_frames_hwctx->surfaces + i;
         s->nb_surface_ptrs_in = in_frames_hwctx->nb_surfaces;
 
-        s->surface_ptrs_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
+        s->surface_ptrs_out = av_calloc(out_frames_hwctx->nb_surfaces,
                                         sizeof(*s->surface_ptrs_out));
         if (!s->surface_ptrs_out)
             return AVERROR(ENOMEM);
@@ -383,7 +383,7 @@ static int init_out_session(AVFilterContext *ctx)
             .Free   = frame_free,
         };
 
-        s->mem_ids_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
+        s->mem_ids_in = av_calloc(in_frames_hwctx->nb_surfaces,
                                   sizeof(*s->mem_ids_in));
         if (!s->mem_ids_in)
             return AVERROR(ENOMEM);
@@ -391,7 +391,7 @@ static int init_out_session(AVFilterContext *ctx)
             s->mem_ids_in[i] = in_frames_hwctx->surfaces[i].Data.MemId;
         s->nb_mem_ids_in = in_frames_hwctx->nb_surfaces;
 
-        s->mem_ids_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
+        s->mem_ids_out = av_calloc(out_frames_hwctx->nb_surfaces,
                                    sizeof(*s->mem_ids_out));
         if (!s->mem_ids_out)
             return AVERROR(ENOMEM);

libavfilter/vf_ssim.c

@@ -478,7 +478,7 @@ static int config_input_ref(AVFilterLink *inlink)
         return AVERROR(ENOMEM);
 
     for (int t = 0; t < s->nb_threads; t++) {
-        s->temp[t] = av_mallocz_array(2 * SUM_LEN(inlink->w), (desc->comp[0].depth > 8) ? sizeof(int64_t[4]) : sizeof(int[4]));
+        s->temp[t] = av_calloc(2 * SUM_LEN(inlink->w), (desc->comp[0].depth > 8) ? sizeof(int64_t[4]) : sizeof(int[4]));
         if (!s->temp[t])
             return AVERROR(ENOMEM);
     }

libavfilter/vf_unsharp.c

@@ -229,7 +229,7 @@ static int init_filter_param(AVFilterContext *ctx, UnsharpFilterParam *fp, const
            effect, effect_type, fp->msize_x, fp->msize_y, fp->amount / 65535.0);
 
     fp->sr = av_malloc_array((MAX_MATRIX_SIZE - 1) * s->nb_threads, sizeof(uint32_t));
-    fp->sc = av_mallocz_array(2 * fp->steps_y * s->nb_threads, sizeof(uint32_t *));
+    fp->sc = av_calloc(fp->steps_y * s->nb_threads, 2 * sizeof(*fp->sc));
     if (!fp->sr || !fp->sc)
         return AVERROR(ENOMEM);
 

libavfilter/vf_yaepblur.c

@@ -294,11 +294,11 @@ static int config_input(AVFilterLink *inlink)
 
     // padding one row on the top, and padding one col on the left, that is why + 1 below
     s->sat_linesize = inlink->w + 1;
-    s->sat = av_mallocz_array(inlink->h + 1, s->sat_linesize*sizeof(*s->sat));
+    s->sat = av_calloc(inlink->h + 1, s->sat_linesize * sizeof(*s->sat));
     if (!s->sat)
         return AVERROR(ENOMEM);
 
-    s->square_sat = av_mallocz_array(inlink->h + 1, s->sat_linesize*sizeof(*s->square_sat));
+    s->square_sat = av_calloc(inlink->h + 1, s->sat_linesize * sizeof(*s->square_sat));
     if (!s->square_sat)
         return AVERROR(ENOMEM);
 

libavfilter/vsrc_cellauto.c

@@ -123,7 +123,7 @@ static int init_pattern_from_string(AVFilterContext *ctx)
         s->h = (double)s->w * M_PHI;
     }
 
-    s->buf = av_mallocz_array(sizeof(uint8_t) * s->w, s->h);
+    s->buf = av_calloc(s->w, s->h * sizeof(*s->buf));
     if (!s->buf)
         return AVERROR(ENOMEM);
 
@@ -183,7 +183,7 @@ static av_cold int init(AVFilterContext *ctx)
         /* fill the first row randomly */
         int i;
 
-        s->buf = av_mallocz_array(sizeof(uint8_t) * s->w, s->h);
+        s->buf = av_calloc(s->w, s->h * sizeof(*s->buf));
         if (!s->buf)
             return AVERROR(ENOMEM);
         if (s->random_seed == -1)

libavformat/avidec.c

@@ -1674,7 +1674,7 @@ static int check_stream_max_drift(AVFormatContext *s)
 {
     int64_t min_pos, pos;
     int i;
-    int *idx = av_mallocz_array(s->nb_streams, sizeof(*idx));
+    int *idx = av_calloc(s->nb_streams, sizeof(*idx));
     if (!idx)
         return AVERROR(ENOMEM);
     for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1LU) {

libavformat/hashenc.c

@@ -84,7 +84,7 @@ static int hash_init(struct AVFormatContext *s)
     int res;
     struct HashContext *c = s->priv_data;
     c->per_stream = 0;
-    c->hashes = av_mallocz_array(1, sizeof(*c->hashes));
+    c->hashes = av_mallocz(sizeof(*c->hashes));
     if (!c->hashes)
         return AVERROR(ENOMEM);
     res = av_hash_alloc(&c->hashes[0], c->hash_name);
@@ -101,7 +101,7 @@ static int streamhash_init(struct AVFormatContext *s)
     int res, i;
     struct HashContext *c = s->priv_data;
     c->per_stream = 1;
-    c->hashes = av_mallocz_array(s->nb_streams, sizeof(*c->hashes));
+    c->hashes = av_calloc(s->nb_streams, sizeof(*c->hashes));
     if (!c->hashes)
         return AVERROR(ENOMEM);
     for (i = 0; i < s->nb_streams; i++) {
@@ -254,7 +254,7 @@ static int framehash_init(struct AVFormatContext *s)
     int res;
     struct HashContext *c = s->priv_data;
     c->per_stream = 0;
-    c->hashes = av_mallocz_array(1, sizeof(*c->hashes));
+    c->hashes = av_mallocz(sizeof(*c->hashes));
     if (!c->hashes)
         return AVERROR(ENOMEM);
     res = av_hash_alloc(&c->hashes[0], c->hash_name);

libavformat/hdsenc.c

@@ -326,7 +326,7 @@ static int hds_write_header(AVFormatContext *s)
         return AVERROR_MUXER_NOT_FOUND;
     }
 
-    c->streams = av_mallocz_array(s->nb_streams, sizeof(*c->streams));
+    c->streams = av_calloc(s->nb_streams, sizeof(*c->streams));
     if (!c->streams) {
         return AVERROR(ENOMEM);
     }

libavformat/icoenc.c

@@ -106,7 +106,7 @@ static int ico_write_header(AVFormatContext *s)
         avio_skip(pb, 16);
     }
 
-    ico->images = av_mallocz_array(ico->nb_images, sizeof(IcoMuxContext));
+    ico->images = av_calloc(ico->nb_images, sizeof(*ico->images));
     if (!ico->images)
         return AVERROR(ENOMEM);
 

libavformat/matroskaenc.c

@@ -2687,7 +2687,7 @@ static int mkv_init(struct AVFormatContext *s)
     mkv->cur_audio_pkt = av_packet_alloc();
     if (!mkv->cur_audio_pkt)
         return AVERROR(ENOMEM);
-    mkv->tracks = av_mallocz_array(s->nb_streams, sizeof(*mkv->tracks));
+    mkv->tracks = av_calloc(s->nb_streams, sizeof(*mkv->tracks));
     if (!mkv->tracks)
         return AVERROR(ENOMEM);