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authorAlex Converse <alex.converse@gmail.com>2010-04-30 23:32:42 +0000
committerAlex Converse <alex.converse@gmail.com>2010-04-30 23:32:42 +0000
commit2d23fecd5dfbf544d8ddc0cada2e09d4ddce2a92 (patch)
treee4926511f7ebbb72cd6e46d11e9a6e8d766b671b /libavcodec/aacsbr.c
parenta91d82b5cc7d828ea9779aae1595f60e7e257d29 (diff)
downloadffmpeg-2d23fecd5dfbf544d8ddc0cada2e09d4ddce2a92.tar.gz
Enforce time border monotonicity.
Thanks to Chromium. Originally committed as revision 23000 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/aacsbr.c')
-rw-r--r--libavcodec/aacsbr.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c
index bc6cb003cb..130e3ed121 100644
--- a/libavcodec/aacsbr.c
+++ b/libavcodec/aacsbr.c
@@ -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];