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avcodec/hcadec: do not hardcode max number of channels

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This commit is contained in:
Paul B Mahol 2023-09-08 23:47:00 +02:00
parent a234e5cd80
commit dcd92aa01a
1 changed files with 4 additions and 2 deletions
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6
libavcodec/hcadec.c
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@ -28,6 +28,8 @@
#include "get_bits.h" #include "get_bits.h"
#include "hca_data.h" #include "hca_data.h"
#define MAX_CHANNELS 16
typedef struct ChannelContext { typedef struct ChannelContext {
float base[128]; float base[128];
DECLARE_ALIGNED(32, float, imdct_in)[128]; DECLARE_ALIGNED(32, float, imdct_in)[128];
@ -44,7 +46,7 @@ typedef struct ChannelContext {
typedef struct HCAContext { typedef struct HCAContext {
const AVCRC *crc_table; const AVCRC *crc_table;
ChannelContext ch[16]; ChannelContext ch[MAX_CHANNELS];
uint8_t ath[128]; uint8_t ath[128];
@ -249,7 +251,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP; avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
c->crc_table = av_crc_get_table(AV_CRC_16_ANSI); c->crc_table = av_crc_get_table(AV_CRC_16_ANSI);
if (avctx->ch_layout.nb_channels <= 0 || avctx->ch_layout.nb_channels > 16) if (avctx->ch_layout.nb_channels <= 0 || avctx->ch_layout.nb_channels > FF_ARRAY_ELEMS(c->ch))
return AVERROR(EINVAL); return AVERROR(EINVAL);
c->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT); c->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);