From ae343d6595608a21d30f34de3622937b1850e04a Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Fri, 4 Sep 2020 16:52:49 +0200 Subject: [PATCH] avcodec/binkaudio: Avoid allocation for array The array in question can not be too large (only 26 elements), so it can simply be put on the context. Reviewed-by: Paul B Mahol Signed-off-by: Andreas Rheinhardt --- libavcodec/binkaudio.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/libavcodec/binkaudio.c b/libavcodec/binkaudio.c index f7e9a37a1b..7b5965ede1 100644 --- a/libavcodec/binkaudio.c +++ b/libavcodec/binkaudio.c @@ -52,8 +52,8 @@ typedef struct BinkAudioContext { int overlap_len; ///< overlap size (samples) int block_size; int num_bands; - unsigned int *bands; float root; + unsigned int bands[26]; float previous[MAX_CHANNELS][BINK_BLOCK_MAX_SIZE / 16]; ///< coeffs from previous audio block float quant_table[96]; AVPacket *pkt; @@ -122,10 +122,6 @@ static av_cold int decode_init(AVCodecContext *avctx) if (sample_rate_half <= ff_wma_critical_freqs[s->num_bands - 1]) break; - s->bands = av_malloc((s->num_bands + 1) * sizeof(*s->bands)); - if (!s->bands) - return AVERROR(ENOMEM); - /* populate bands data */ s->bands[0] = 2; for (i = 1; i < s->num_bands; i++) @@ -273,7 +269,6 @@ static int decode_block(BinkAudioContext *s, float **out, int use_dct) static av_cold int decode_end(AVCodecContext *avctx) { BinkAudioContext * s = avctx->priv_data; - av_freep(&s->bands); if (CONFIG_BINKAUDIO_RDFT_DECODER && avctx->codec->id == AV_CODEC_ID_BINKAUDIO_RDFT) ff_rdft_end(&s->trans.rdft); else if (CONFIG_BINKAUDIO_DCT_DECODER)