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vp10: disallow coding zero-sized tiles-in-frame/frames-in-superframe.

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See issue 1088.

Change-Id: Icb15d33b4e316add848f210b50cbccd7c7847207
This commit is contained in:
Ronald S. Bultje
2015-10-20 12:13:03 -04:00
parent 9897e1c27c
commit dec4405cfa
4 changed files with 13 additions and 6 deletions
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8
vp10/encoder/bitstream.c
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@@ -1117,9 +1117,13 @@ static size_t encode_tiles(VP10_COMP *cpi, uint8_t *data_ptr,
assert(tok == tok_end);
vpx_stop_encode(&residual_bc);
if (tile_col < tile_cols - 1 || tile_row < tile_rows - 1) {
unsigned int tile_sz;
// size of this tile
mem_put_le32(data_ptr + total_size, residual_bc.pos);
max_tile = max_tile > residual_bc.pos ? max_tile : residual_bc.pos;
assert(residual_bc.pos > 0);
tile_sz = residual_bc.pos - CONFIG_MISC_FIXES;
mem_put_le32(data_ptr + total_size, tile_sz);
max_tile = max_tile > tile_sz ? max_tile : tile_sz;
total_size += 4;
}