| /* |
| * Copyright (c) 2002 The FFmpeg Project |
| * |
| * 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_WMV2_H |
| #define AVCODEC_WMV2_H |
| |
| #include "mpegvideo.h" |
| #include "wmv2dsp.h" |
| |
| #define SKIP_TYPE_NONE 0 |
| #define SKIP_TYPE_MPEG 1 |
| #define SKIP_TYPE_ROW 2 |
| #define SKIP_TYPE_COL 3 |
| |
| |
| typedef struct WMV2Context { |
| WMV2DSPContext wdsp; |
| int hshift; |
| } WMV2Context; |
| |
| void ff_wmv2_common_init(MpegEncContext *s); |
| |
| void ff_mspel_motion(MpegEncContext *s, |
| uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| uint8_t **ref_picture, op_pixels_func (*pix_op)[4], |
| int motion_x, int motion_y, int h); |
| |
| |
| static av_always_inline int wmv2_get_cbp_table_index(MpegEncContext *s, int cbp_index) |
| { |
| static const uint8_t map[3][3] = { |
| { 0, 2, 1 }, |
| { 1, 0, 2 }, |
| { 2, 1, 0 }, |
| }; |
| |
| return map[(s->qscale > 10) + (s->qscale > 20)][cbp_index]; |
| } |
| |
| #endif /* AVCODEC_WMV2_H */ |