atrac3: replace a calculation with FFALIGN()

This allocates 4 bytes less than the previous code if avctx->block_align is
a multiple of 4, but the extra 4 bytes is not really needed.
This commit is contained in:
Justin Ruggles 2012-10-18 23:51:37 -04:00
parent 808686fc1e
commit a1f4cd371a

View File

@ -947,8 +947,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
if (avctx->block_align >= UINT_MAX / 2)
return AVERROR(EINVAL);
q->decoded_bytes_buffer = av_mallocz(avctx->block_align +
(4 - avctx->block_align % 4) +
q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
FF_INPUT_BUFFER_PADDING_SIZE);
if (q->decoded_bytes_buffer == NULL)
return AVERROR(ENOMEM);