* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2004 Maarten Daniels
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file h261.c
+ * @file
* h261codec.
*/
+#ifndef AVCODEC_H261_H
+#define AVCODEC_H261_H
+
#include "mpegvideo.h"
+#include "rl.h"
/**
* H261Context
*/
-typedef struct H261Context{
+typedef struct H261Context {
MpegEncContext s;
int current_mba;
int current_mv_y;
int gob_number;
int gob_start_code_skipped; // 1 if gob start code is already read before gob header is read
-}H261Context;
+} H261Context;
+
+#define MB_TYPE_H261_FIL 0x800000
+
+extern uint8_t ff_h261_rl_table_store[2][2 * MAX_RUN + MAX_LEVEL + 3];
+
+extern const uint8_t ff_h261_mba_code[35];
+extern const uint8_t ff_h261_mba_bits[35];
+extern const uint8_t ff_h261_mtype_code[10];
+extern const uint8_t ff_h261_mtype_bits[10];
+extern const int ff_h261_mtype_map[10];
+extern const uint8_t ff_h261_mv_tab[17][2];
+extern const uint8_t ff_h261_cbp_tab[63][2];
+extern RLTable ff_h261_rl_tcoeff;
+
+void ff_h261_loop_filter(MpegEncContext *s);
+void ff_h261_common_init(void);
+
+int ff_h261_get_picture_format(int width, int height);
+void ff_h261_reorder_mb_index(MpegEncContext *s);
+void ff_h261_encode_mb(MpegEncContext *s, int16_t block[6][64],
+ int motion_x, int motion_y);
+void ff_h261_encode_picture_header(MpegEncContext *s, int picture_number);
+void ff_h261_encode_init(MpegEncContext *s);
+#endif /* AVCODEC_H261_H */