avcodec/utvideodec: Add several out of array read related checks

[ffmpeg] / libavcodec / vp8.h

diff --git a/libavcodec/vp8.h b/libavcodec/vp8.h
index 1bf7561d0563506453e59ba974df03b4f81a9797..70d21e3c60460dc30bc9b87926e827f111b58c00 100644 (file)
--- a/libavcodec/vp8.h
+++ b/libavcodec/vp8.h
@@ -6,39 +6,36 @@
  * Copyright (C) 2010 Fiona Glaser
  * Copyright (C) 2012 Daniel Kang
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef AVCODEC_VP8_H
 #define AVCODEC_VP8_H
 
+#include <stdatomic.h>
+
 #include "libavutil/buffer.h"
+#include "libavutil/thread.h"
 
 #include "h264pred.h"
 #include "thread.h"
 #include "vp56.h"
 #include "vp8dsp.h"
 
-#if HAVE_PTHREADS
-#   include <pthread.h>
-#elif HAVE_W32THREADS
-#   include "compat/w32pthreads.h"
-#endif
-
 #define VP8_MAX_QUANT 127
 
 enum dct_token {
@@ -96,6 +93,16 @@ typedef struct VP8Macroblock {
     VP56mv bmv[16];
 } VP8Macroblock;
 
+typedef struct VP8intmv {
+    int x;
+    int y;
+} VP8intmv;
+
+typedef struct VP8mvbounds {
+    VP8intmv mv_min;
+    VP8intmv mv_max;
+} VP8mvbounds;
+
 typedef struct VP8ThreadData {
     DECLARE_ALIGNED(16, int16_t, block)[6][4][16];
     DECLARE_ALIGNED(16, int16_t, block_dc)[16];
@@ -119,12 +126,13 @@ typedef struct VP8ThreadData {
     pthread_mutex_t lock;
     pthread_cond_t cond;
 #endif
-    int thread_mb_pos; // (mb_y << 16) | (mb_x & 0xFFFF)
-    int wait_mb_pos; // What the current thread is waiting on.
+    atomic_int thread_mb_pos; // (mb_y << 16) | (mb_x & 0xFFFF)
+    atomic_int wait_mb_pos; // What the current thread is waiting on.
 
 #define EDGE_EMU_LINESIZE 32
     DECLARE_ALIGNED(16, uint8_t, edge_emu_buffer)[21 * EDGE_EMU_LINESIZE];
     VP8FilterStrength *filter_strength;
+    VP8mvbounds mv_bounds;
 } VP8ThreadData;
 
 typedef struct VP8Frame {
@@ -156,8 +164,7 @@ typedef struct VP8Context {
     uint8_t deblock_filter;
     uint8_t mbskip_enabled;
     uint8_t profile;
-    VP56mv mv_min;
-    VP56mv mv_max;
+    VP8mvbounds mv_bounds;
 
     int8_t sign_bias[4]; ///< one state [0, 1] per ref frame type
     int ref_count[3];
@@ -308,6 +315,11 @@ typedef struct VP8Context {
      */
     int mb_layout;
 
+    int (*decode_mb_row_no_filter)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr);
+    void (*filter_mb_row)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr);
+
+    int vp7;
+
     /**
      * Fade bit present in bitstream (VP7)
      */