| Index: source/libvpx/vp9/decoder/vp9_decodeframe.c
|
| ===================================================================
|
| --- source/libvpx/vp9/decoder/vp9_decodeframe.c (revision 278870)
|
| +++ source/libvpx/vp9/decoder/vp9_decodeframe.c (working copy)
|
| @@ -1077,7 +1077,7 @@
|
| // Show an existing frame directly.
|
| const int frame_to_show = cm->ref_frame_map[vp9_rb_read_literal(rb, 3)];
|
|
|
| - if (cm->frame_bufs[frame_to_show].ref_count < 1)
|
| + if (frame_to_show < 0 || cm->frame_bufs[frame_to_show].ref_count < 1)
|
| vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
|
| "Buffer %d does not contain a decoded frame",
|
| frame_to_show);
|
|
|