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Code Issues Releases Activity

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

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-04-13 18:44:49 +00:00
parent 4ba662b032
commit c2fc466351
1 changed files with 30 additions and 31 deletions
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61
libavcodec/alsdec.c
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@ -352,7 +352,7 @@ static av_cold int read_specific_config(ALSDecContext *ctx)
if (get_bits_left(&gb) < bits_needed)
return AVERROR_INVALIDDATA;
if (!(sconf->chan_pos = av_malloc(avctx->channels * sizeof(*sconf->chan_pos))))
if (!(sconf->chan_pos = av_malloc_array(avctx->channels, sizeof(*sconf->chan_pos))))
return AVERROR(ENOMEM);
ctx->cs_switch = 1;
@ -1680,14 +1680,14 @@ static av_cold int decode_init(AVCodecContext *avctx)
// allocate quantized parcor coefficient buffer
num_buffers = sconf->mc_coding ? avctx->channels : 1;
ctx->quant_cof = av_malloc(sizeof(*ctx->quant_cof) * num_buffers);
ctx->lpc_cof = av_malloc(sizeof(*ctx->lpc_cof) * num_buffers);
ctx->quant_cof_buffer = av_malloc(sizeof(*ctx->quant_cof_buffer) *
num_buffers * sconf->max_order);
ctx->lpc_cof_buffer = av_malloc(sizeof(*ctx->lpc_cof_buffer) *
num_buffers * sconf->max_order);
ctx->lpc_cof_reversed_buffer = av_malloc(sizeof(*ctx->lpc_cof_buffer) *
sconf->max_order);
ctx->quant_cof = av_malloc_array(num_buffers, sizeof(*ctx->quant_cof));
ctx->lpc_cof = av_malloc_array(num_buffers, sizeof(*ctx->lpc_cof));
ctx->quant_cof_buffer = av_malloc_array(num_buffers * sconf->max_order,
sizeof(*ctx->quant_cof_buffer));
ctx->lpc_cof_buffer = av_malloc_array(num_buffers * sconf->max_order,
sizeof(*ctx->lpc_cof_buffer));
ctx->lpc_cof_reversed_buffer = av_malloc_array(sconf->max_order,
sizeof(*ctx->lpc_cof_buffer));
if (!ctx->quant_cof || !ctx->lpc_cof ||
!ctx->quant_cof_buffer || !ctx->lpc_cof_buffer ||
@ -1704,15 +1704,14 @@ static av_cold int decode_init(AVCodecContext *avctx)
}
// allocate and assign lag and gain data buffer for ltp mode
ctx->const_block = av_malloc (sizeof(*ctx->const_block) * num_buffers);
ctx->shift_lsbs = av_malloc (sizeof(*ctx->shift_lsbs) * num_buffers);
ctx->opt_order = av_malloc (sizeof(*ctx->opt_order) * num_buffers);
ctx->store_prev_samples = av_malloc(sizeof(*ctx->store_prev_samples) * num_buffers);
ctx->use_ltp = av_mallocz(sizeof(*ctx->use_ltp) * num_buffers);
ctx->ltp_lag = av_malloc (sizeof(*ctx->ltp_lag) * num_buffers);
ctx->ltp_gain = av_malloc (sizeof(*ctx->ltp_gain) * num_buffers);
ctx->ltp_gain_buffer = av_malloc (sizeof(*ctx->ltp_gain_buffer) *
num_buffers * 5);
ctx->const_block = av_malloc_array(num_buffers, sizeof(*ctx->const_block));
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->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));
if (!ctx->const_block || !ctx->shift_lsbs ||
!ctx->opt_order || !ctx->store_prev_samples ||
@ -1728,12 +1727,12 @@ 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_malloc(sizeof(*ctx->chan_data_buffer) *
num_buffers * num_buffers);
ctx->chan_data = av_malloc(sizeof(*ctx->chan_data) *
num_buffers);
ctx->reverted_channels = av_malloc(sizeof(*ctx->reverted_channels) *
num_buffers);
ctx->chan_data_buffer = av_malloc_array(num_buffers * num_buffers,
sizeof(*ctx->chan_data_buffer));
ctx->chan_data = av_malloc_array(num_buffers,
sizeof(*ctx->chan_data));
ctx->reverted_channels = av_malloc_array(num_buffers,
sizeof(*ctx->reverted_channels));
if (!ctx->chan_data_buffer || !ctx->chan_data || !ctx->reverted_channels) {
av_log(avctx, AV_LOG_ERROR, "Allocating buffer memory failed.\n");
@ -1751,9 +1750,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
channel_size = sconf->frame_length + sconf->max_order;
ctx->prev_raw_samples = av_malloc (sizeof(*ctx->prev_raw_samples) * sconf->max_order);
ctx->raw_buffer = av_mallocz(sizeof(*ctx-> raw_buffer) * avctx->channels * channel_size);
ctx->raw_samples = av_malloc (sizeof(*ctx-> raw_samples) * avctx->channels);
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_samples = av_malloc_array(avctx->channels, sizeof(*ctx->raw_samples));
// allocate previous raw sample buffer
if (!ctx->prev_raw_samples || !ctx->raw_buffer|| !ctx->raw_samples) {
@ -1770,10 +1769,10 @@ static av_cold int decode_init(AVCodecContext *avctx)
// allocate crc buffer
if (HAVE_BIGENDIAN != sconf->msb_first && sconf->crc_enabled &&
(avctx->err_recognition & (AV_EF_CRCCHECK|AV_EF_CAREFUL))) {
ctx->crc_buffer = av_malloc(sizeof(*ctx->crc_buffer) *
ctx->cur_frame_length *
avctx->channels *
av_get_bytes_per_sample(avctx->sample_fmt));
ctx->crc_buffer = av_malloc_array(ctx->cur_frame_length *
avctx->channels *
av_get_bytes_per_sample(avctx->sample_fmt),
sizeof(*ctx->crc_buffer));
if (!ctx->crc_buffer) {
av_log(avctx, AV_LOG_ERROR, "Allocating buffer memory failed.\n");
ret = AVERROR(ENOMEM);