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Code Issues Releases Activity

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

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-04-30 05:01:53 +02:00
parent 0a266cb55a
commit f0c78b0769
1 changed files with 9 additions and 9 deletions
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18
libavcodec/vorbisdec.c
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@ -378,7 +378,7 @@ static int vorbis_parse_setup_hdr_codebooks(vorbis_context *vc)
} }
// Weed out unused vlcs and build codevector vector // Weed out unused vlcs and build codevector vector
codebook_setup->codevectors = used_entries ? av_mallocz(used_entries * codebook_setup->codevectors = used_entries ? av_mallocz_array(used_entries,
codebook_setup->dimensions * codebook_setup->dimensions *
sizeof(*codebook_setup->codevectors)) sizeof(*codebook_setup->codevectors))
: NULL; : NULL;
@ -561,7 +561,7 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
for (j = 0; j < floor_setup->data.t1.partitions; ++j) 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.x_list_dim+=floor_setup->data.t1.class_dimensions[floor_setup->data.t1.partition_class[j]];
floor_setup->data.t1.list = av_mallocz(floor_setup->data.t1.x_list_dim * floor_setup->data.t1.list = av_mallocz_array(floor_setup->data.t1.x_list_dim,
sizeof(*floor_setup->data.t1.list)); sizeof(*floor_setup->data.t1.list));
if (!floor_setup->data.t1.list) if (!floor_setup->data.t1.list)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
@ -640,8 +640,8 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
/* codebook dim is for padding if codebook dim doesn't * /* codebook dim is for padding if codebook dim doesn't *
* divide order+1 then we need to read more data */ * divide order+1 then we need to read more data */
floor_setup->data.t0.lsp = floor_setup->data.t0.lsp =
av_malloc((floor_setup->data.t0.order + 1 + max_codebook_dim) av_malloc_array((floor_setup->data.t0.order + 1 + max_codebook_dim),
* sizeof(*floor_setup->data.t0.lsp)); sizeof(*floor_setup->data.t0.lsp));
if (!floor_setup->data.t0.lsp) if (!floor_setup->data.t0.lsp)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
@ -714,7 +714,7 @@ static int vorbis_parse_setup_hdr_residues(vorbis_context *vc)
res_setup->ptns_to_read = res_setup->ptns_to_read =
(res_setup->end - res_setup->begin) / res_setup->partition_size; (res_setup->end - res_setup->begin) / res_setup->partition_size;
res_setup->classifs = av_malloc(res_setup->ptns_to_read * res_setup->classifs = av_malloc_array(res_setup->ptns_to_read,
vc->audio_channels * vc->audio_channels *
sizeof(*res_setup->classifs)); sizeof(*res_setup->classifs));
if (!res_setup->classifs) if (!res_setup->classifs)
@ -807,7 +807,7 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)
} }
if (mapping_setup->submaps>1) { if (mapping_setup->submaps>1) {
mapping_setup->mux = av_mallocz(vc->audio_channels * mapping_setup->mux = av_mallocz_array(vc->audio_channels,
sizeof(*mapping_setup->mux)); sizeof(*mapping_setup->mux));
if (!mapping_setup->mux) if (!mapping_setup->mux)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
@ -842,7 +842,7 @@ static int create_map(vorbis_context *vc, unsigned floor_number)
for (blockflag = 0; blockflag < 2; ++blockflag) { for (blockflag = 0; blockflag < 2; ++blockflag) {
n = vc->blocksize[blockflag] / 2; n = vc->blocksize[blockflag] / 2;
floors[floor_number].data.t0.map[blockflag] = floors[floor_number].data.t0.map[blockflag] =
av_malloc((n + 1) * sizeof(int32_t)); // n + sentinel av_malloc_array(n + 1, sizeof(int32_t)); // n + sentinel
if (!floors[floor_number].data.t0.map[blockflag]) if (!floors[floor_number].data.t0.map[blockflag])
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
@ -983,8 +983,8 @@ static int vorbis_parse_id_hdr(vorbis_context *vc)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
vc->channel_residues = av_malloc((vc->blocksize[1] / 2) * vc->audio_channels * sizeof(*vc->channel_residues)); vc->channel_residues = av_malloc_array(vc->blocksize[1] / 2, vc->audio_channels * sizeof(*vc->channel_residues));
vc->saved = av_mallocz((vc->blocksize[1] / 4) * vc->audio_channels * sizeof(*vc->saved)); vc->saved = av_mallocz_array(vc->blocksize[1] / 4, vc->audio_channels * sizeof(*vc->saved));
if (!vc->channel_residues || !vc->saved) if (!vc->channel_residues || !vc->saved)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);