avcodec/mpeg4video: Factor non-codec stuff out into a header of its own

This avoids including mpegvideo.h in mpeg4_unpack_bframes_bsf.c.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/libavcodec/mpeg4videodefs.h b/libavcodec/mpeg4videodefs.h
new file mode 100644
index 0000000000..27155eae5c
--- /dev/null
+++ b/libavcodec/mpeg4videodefs.h
@@ -0,0 +1,68 @@
+/*
+ * MPEG-4 definitions.
+ * Copyright (c) 2000,2001 Fabrice Bellard
+ * Copyright (c) 2002-2010 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * 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.
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_MPEG4VIDEODEFS_H
+#define AVCODEC_MPEG4VIDEODEFS_H
+
+// shapes
+#define RECT_SHAPE       0
+#define BIN_SHAPE        1
+#define BIN_ONLY_SHAPE   2
+#define GRAY_SHAPE       3
+
+#define SIMPLE_VO_TYPE           1
+#define CORE_VO_TYPE             3
+#define MAIN_VO_TYPE             4
+#define NBIT_VO_TYPE             5
+#define ARTS_VO_TYPE            10
+#define ACE_VO_TYPE             12
+#define SIMPLE_STUDIO_VO_TYPE   14
+#define CORE_STUDIO_VO_TYPE     15
+#define ADV_SIMPLE_VO_TYPE      17
+
+#define VOT_VIDEO_ID 1
+#define VOT_STILL_TEXTURE_ID 2
+
+// aspect_ratio_info
+#define EXTENDED_PAR 15
+
+//vol_sprite_usage / sprite_enable
+#define STATIC_SPRITE 1
+#define GMC_SPRITE 2
+
+#define MOTION_MARKER 0x1F001
+#define DC_MARKER     0x6B001
+
+#define VOS_STARTCODE        0x1B0
+#define USER_DATA_STARTCODE  0x1B2
+#define GOP_STARTCODE        0x1B3
+#define VISUAL_OBJ_STARTCODE 0x1B5
+#define VOP_STARTCODE        0x1B6
+#define SLICE_STARTCODE      0x1B7
+#define EXT_STARTCODE        0x1B8
+
+#define QUANT_MATRIX_EXT_ID  0x3
+
+/* smaller packets likely don't contain a real frame */
+#define MAX_NVOP_SIZE 19
+
+#endif /* AVCODEC_MPEG4VIDEODEFS_H */