commit 493a5852733bf1b58fe7f6b4fb43d54f36078910
author Alex Converse <aconverse@google.com> Tue Apr 12 15:10:19 2016 -0700
committer Alex Converse <aconverse@google.com> Tue Apr 12 15:19:30 2016 -0700
tree 9647abdf72f0d7125c41656591fb32be458afdc5
parent 648538959dcb1ac4dceaa456a46d2743b82081f6

ANS: Remove extra buffer size checks causing a false decode error.

The minimal ans partition size is now one byte. This is checked in
ans_read_init().

The read_is_valid() condition is handled by setup_token_decoder().

Change-Id: I7b202b896630bc4285532208bf7cf84567afe158

vp10/decoder/decodeframe.c

diff --git a/vp10/decoder/decodeframe.c b/vp10/decoder/decodeframe.c
index af57ac6..17e7401 100644
--- a/vp10/decoder/decodeframe.c
+++ b/vp10/decoder/decodeframe.c
@@ -3173,9 +3173,6 @@
                          &td->bit_reader, pbi->decrypt_cb,
                          pbi->decrypt_state);
 #else
-      if (buf->size < 3 || !read_is_valid(buf->data, buf->size, data_end))
-        vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                           "Truncated packet or corrupt tile length");
       setup_token_decoder(buf->data, data_end, buf->size, &cm->error,
                           &td->bit_reader, pbi->decrypt_cb,
                           pbi->decrypt_state);