From 05d1e45d1f42cc90d1f2f36c546d0096cea126a8 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Tue, 22 Nov 2011 13:37:52 -0500 Subject: wma: initialize prev_block_len_bits, next_block_len_bits, and block_len_bits. The initial values are not checked against the number of block sizes. Initializing them to frame_len_bits will result in a block size index of 0 in these cases instead of something that might be out-of-range. Fixes Bug 81. --- libavcodec/wma.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'libavcodec/wma.c') diff --git a/libavcodec/wma.c b/libavcodec/wma.c index bed47ec35b..4cdffcd101 100644 --- a/libavcodec/wma.c +++ b/libavcodec/wma.c @@ -137,6 +137,9 @@ int ff_wma_init(AVCodecContext *avctx, int flags2) /* compute MDCT block size */ s->frame_len_bits = ff_wma_get_frame_len_bits(s->sample_rate, s->version, 0); + s->next_block_len_bits = s->frame_len_bits; + s->prev_block_len_bits = s->frame_len_bits; + s->block_len_bits = s->frame_len_bits; s->frame_len = 1 << s->frame_len_bits; if (s->use_variable_block_len) { -- cgit v1.2.3