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Enforce time border monotonicity.

Browse source 
Thanks to Chromium.

Originally committed as revision 23000 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Converse 2010-04-30 23:32:42 +00:00
parent a91d82b5cc
commit 2d23fecd5d
1 changed files with 7 additions and 0 deletions
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7
libavcodec/aacsbr.c
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@ -720,6 +720,13 @@ static int read_sbr_grid(AACContext *ac, SpectralBandReplication *sbr,
return -1;
}
for (i = 1; i <= ch_data->bs_num_env; i++) {
if (ch_data->t_env[i-1] > ch_data->t_env[i]) {
av_log(ac->avccontext, AV_LOG_ERROR, "Non monotone time borders\n");
return -1;
}
}
ch_data->bs_num_noise = (ch_data->bs_num_env > 1) + 1;
ch_data->t_q[0] = ch_data->t_env[0];