avcodec/wavpack: Treat the first block coding too many channels as an error

Fixes memleak Fixes: 236/8aeebc9ca49b91bf71c114dcefac56c154a3a563

Michael Niedermayer committed 9 years ago

Commit c188f351 parent 6b95da91 file · +1 −1Browse files

Unified · Split

@@ -1016,7 +1016,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no, · 1015 unmodified lines
1016	1016
1017	1017	if (wc->ch_offset + s->stereo >= avctx->channels) {
1018	1018	av_log(avctx, AV_LOG_WARNING, "Too many channels coded in a packet.\n");
1019		− return (avctx->err_recognition & AV_EF_EXPLODE) ? AVERROR_INVALIDDATA : 0;
	1019	+ return ((avctx->err_recognition & AV_EF_EXPLODE) \|\| !wc->ch_offset) ? AVERROR_INVALIDDATA : 0;
1020	1020	}
1021	1021
1022	1022	samples_l = frame->extended_data[wc->ch_offset];

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