From 99665a21f4cfe0747740b91d4e5768cffa4fe862 Mon Sep 17 00:00:00 2001 From: Alex Converse Date: Sun, 21 Dec 2008 05:08:32 +0000 Subject: [PATCH] AAC: Don't write an illegal sampling_index in a PCE to the MPEG4AudioConfig member Patch by Alex Converse (alex converse gmail com) Originally committed as revision 16249 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/aac.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/aac.c b/libavcodec/aac.c index 8fbf964d27..62d4ba5d82 100644 --- a/libavcodec/aac.c +++ b/libavcodec/aac.c @@ -167,15 +167,16 @@ static void decode_channel_map(enum ChannelPosition *cpe_map, */ static int decode_pce(AACContext * ac, enum ChannelPosition new_che_pos[4][MAX_ELEM_ID], GetBitContext * gb) { - int num_front, num_side, num_back, num_lfe, num_assoc_data, num_cc; + int num_front, num_side, num_back, num_lfe, num_assoc_data, num_cc, sampling_index; skip_bits(gb, 2); // object_type - ac->m4ac.sampling_index = get_bits(gb, 4); - if(ac->m4ac.sampling_index > 11) { + sampling_index = get_bits(gb, 4); + if(sampling_index > 11) { av_log(ac->avccontext, AV_LOG_ERROR, "invalid sampling rate index %d\n", ac->m4ac.sampling_index); return -1; } + ac->m4ac.sampling_index = sampling_index; ac->m4ac.sample_rate = ff_mpeg4audio_sample_rates[ac->m4ac.sampling_index]; num_front = get_bits(gb, 4); num_side = get_bits(gb, 4);