h264: create a new header for common h264 definitions

Move the NAL unit types into it. This will allow to stop including the
whole decoder-specific h264dec.h in some code that is unrelated to the
decoder and only needs some enum values.

libavcodec/h264.h

+/*
+ * 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
+ */
+
+/**
+ * @file
+ * H.264 common definitions
+ */
+
+#ifndef AVCODEC_H264_H
+#define AVCODEC_H264_H
+
+/* NAL unit types */
+enum {
+    NAL_SLICE           = 1,
+    NAL_DPA             = 2,
+    NAL_DPB             = 3,
+    NAL_DPC             = 4,
+    NAL_IDR_SLICE       = 5,
+    NAL_SEI             = 6,
+    NAL_SPS             = 7,
+    NAL_PPS             = 8,
+    NAL_AUD             = 9,
+    NAL_END_SEQUENCE    = 10,
+    NAL_END_STREAM      = 11,
+    NAL_FILLER_DATA     = 12,
+    NAL_SPS_EXT         = 13,
+    NAL_AUXILIARY_SLICE = 19,
+};
+
+#endif /* AVCODEC_H264_H */

libavcodec/h264_parse.c

@@ -19,6 +19,7 @@
 #include "bytestream.h"
 #include "get_bits.h"
 #include "golomb.h"
+#include "h264.h"
 #include "h264dec.h"
 #include "h264_parse.h"
 

libavcodec/h264_parser.c

@@ -36,6 +36,7 @@
 
 #include "get_bits.h"
 #include "golomb.h"
+#include "h264.h"
 #include "h264dec.h"
 #include "h264_sei.h"
 #include "h264data.h"

libavcodec/h264_refs.c

@@ -29,6 +29,7 @@
 
 #include "internal.h"
 #include "avcodec.h"
+#include "h264.h"
 #include "h264dec.h"
 #include "golomb.h"
 #include "mpegutils.h"

libavcodec/h264_slice.c

@@ -35,6 +35,7 @@
 #include "cabac_functions.h"
 #include "error_resilience.h"
 #include "avcodec.h"
+#include "h264.h"
 #include "h264dec.h"
 #include "h264data.h"
 #include "h264chroma.h"

libavcodec/h264dec.c

@@ -36,6 +36,7 @@
 #include "cabac_functions.h"
 #include "error_resilience.h"
 #include "avcodec.h"
+#include "h264.h"
 #include "h264dec.h"
 #include "h2645_parse.h"
 #include "h264data.h"

libavcodec/h264dec.h

@@ -108,24 +108,6 @@
 
 #define QP_MAX_NUM (51 + 2 * 6)           // The maximum supported qp
 
-/* NAL unit types */
-enum {
-    NAL_SLICE           = 1,
-    NAL_DPA             = 2,
-    NAL_DPB             = 3,
-    NAL_DPC             = 4,
-    NAL_IDR_SLICE       = 5,
-    NAL_SEI             = 6,
-    NAL_SPS             = 7,
-    NAL_PPS             = 8,
-    NAL_AUD             = 9,
-    NAL_END_SEQUENCE    = 10,
-    NAL_END_STREAM      = 11,
-    NAL_FILLER_DATA     = 12,
-    NAL_SPS_EXT         = 13,
-    NAL_AUXILIARY_SLICE = 19,
-};
-
 /**
  * Sequence parameter set
  */

libavcodec/omx.c

@@ -41,7 +41,7 @@
 #include "libavutil/opt.h"
 
 #include "avcodec.h"
-#include "h264dec.h"
+#include "h264.h"
 #include "internal.h"
 
 #ifdef OMX_SKIP64BIT

libavcodec/vaapi_encode_h264.c

@@ -25,7 +25,7 @@
 #include "libavutil/pixfmt.h"
 
 #include "avcodec.h"
-#include "h264dec.h"
+#include "h264.h"
 #include "h264_sei.h"
 #include "internal.h"
 #include "vaapi_encode.h"