diff options
Diffstat (limited to 'libavcodec/qdm2.c')
| -rw-r--r-- | libavcodec/qdm2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c index 2827746722..0b74c167a9 100644 --- a/libavcodec/qdm2.c +++ b/libavcodec/qdm2.c @@ -1800,6 +1800,8 @@ static av_cold int qdm2_decode_init(AVCodecContext *avctx) avctx->channels = s->nb_channels = s->channels = AV_RB32(extradata); extradata += 4; + if (s->channels > MPA_MAX_CHANNELS) + return AVERROR_INVALIDDATA; avctx->sample_rate = AV_RB32(extradata); extradata += 4; @@ -1821,6 +1823,8 @@ static av_cold int qdm2_decode_init(AVCodecContext *avctx) // something like max decodable tones s->group_order = av_log2(s->group_size) + 1; s->frame_size = s->group_size / 16; // 16 iterations per super block + if (s->frame_size > FF_ARRAY_ELEMS(s->output_buffer) / 2) + return AVERROR_INVALIDDATA; s->sub_sampling = s->fft_order - 7; s->frequency_range = 255 / (1 << (2 - s->sub_sampling)); |