hevcdec: split ff_hevc_diag_scan* declarations into a separate header

This will be useful in the following commits.

libavcodec/dxva2_hevc.c

@@ -22,6 +22,7 @@
 
 #include "libavutil/avassert.h"
 
+#include "hevc_data.h"
 #include "hevcdec.h"
 
 // The headers above may include w32threads.h, which uses the original

libavcodec/hevc_data.c

@@ -20,7 +20,7 @@
 
 #include <stdint.h>
 
-#include "hevcdec.h"
+#include "hevc_data.h"
 
 const uint8_t ff_hevc_diag_scan4x4_x[16] = {
     0, 0, 1, 0,

libavcodec/hevc_data.h

+/*
+ * HEVC shared data tables
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_HEVC_DATA_H
+#define AVCODEC_HEVC_DATA_H
+
+#include <stdint.h>
+
+extern const uint8_t ff_hevc_diag_scan4x4_x[16];
+extern const uint8_t ff_hevc_diag_scan4x4_y[16];
+extern const uint8_t ff_hevc_diag_scan8x8_x[64];
+extern const uint8_t ff_hevc_diag_scan8x8_y[64];
+
+#endif /* AVCODEC_HEVC_DATA_H */

libavcodec/hevc_ps.c

@@ -27,6 +27,7 @@
 
 #include "golomb.h"
 #include "hevcdec.h"
+#include "hevc_data.h"
 
 static const uint8_t default_scaling_list_intra[] = {
     16, 16, 16, 16, 17, 18, 21, 24,

libavcodec/hevcdec.c

@@ -37,6 +37,7 @@
 #include "cabac_functions.h"
 #include "golomb.h"
 #include "hevc.h"
+#include "hevc_data.h"
 #include "hevcdec.h"
 #include "profiles.h"
 

libavcodec/hevcdec.h

@@ -966,9 +966,4 @@ extern const uint8_t ff_hevc_qpel_extra_before[4];
 extern const uint8_t ff_hevc_qpel_extra_after[4];
 extern const uint8_t ff_hevc_qpel_extra[4];
 
-extern const uint8_t ff_hevc_diag_scan4x4_x[16];
-extern const uint8_t ff_hevc_diag_scan4x4_y[16];
-extern const uint8_t ff_hevc_diag_scan8x8_x[64];
-extern const uint8_t ff_hevc_diag_scan8x8_y[64];
-
 #endif /* AVCODEC_HEVCDEC_H */

libavcodec/vdpau_hevc.c

@@ -24,6 +24,7 @@
 
 #include "avcodec.h"
 #include "internal.h"
+#include "hevc_data.h"
 #include "hevcdec.h"
 #include "vdpau.h"
 #include "vdpau_internal.h"