| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * SpeedHQ encoder | ||
| 3 | * Copyright (c) 2000, 2001 Fabrice Bellard | ||
| 4 | * Copyright (c) 2003 Alex Beregszaszi | ||
| 5 | * Copyright (c) 2003-2004 Michael Niedermayer | ||
| 6 | * | ||
| 7 | * This file is part of FFmpeg. | ||
| 8 | * | ||
| 9 | * FFmpeg is free software; you can redistribute it and/or | ||
| 10 | * modify it under the terms of the GNU Lesser General Public | ||
| 11 | * License as published by the Free Software Foundation; either | ||
| 12 | * version 2.1 of the License, or (at your option) any later version. | ||
| 13 | * | ||
| 14 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 17 | * Lesser General Public License for more details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU Lesser General Public | ||
| 20 | * License along with FFmpeg; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 22 | */ | ||
| 23 | |||
| 24 | /** | ||
| 25 | * @file | ||
| 26 | * SpeedHQ encoder. | ||
| 27 | */ | ||
| 28 | |||
| 29 | #ifndef AVCODEC_SPEEDHQENC_H | ||
| 30 | #define AVCODEC_SPEEDHQENC_H | ||
| 31 | |||
| 32 | typedef struct MPVEncContext MPVEncContext; | ||
| 33 | |||
| 34 | void ff_speedhq_end_slice(MPVEncContext *s); | ||
| 35 | |||
| 36 | 30600 | static inline int ff_speedhq_mb_rows_in_slice(int slice_num, int mb_height) | |
| 37 | { | ||
| 38 | 30600 | return mb_height / 4 + (slice_num < (mb_height % 4)); | |
| 39 | } | ||
| 40 | |||
| 41 | 8100 | static inline int ff_speedhq_mb_y_order_to_mb(int mb_y_order, int mb_height, int *first_in_slice) | |
| 42 | { | ||
| 43 | 8100 | int slice_num = 0; | |
| 44 |
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19350 | while (mb_y_order >= ff_speedhq_mb_rows_in_slice(slice_num, mb_height)) { |
| 45 | 11250 | mb_y_order -= ff_speedhq_mb_rows_in_slice(slice_num, mb_height); | |
| 46 | 11250 | slice_num++; | |
| 47 | } | ||
| 48 | 8100 | *first_in_slice = (mb_y_order == 0); | |
| 49 | 8100 | return mb_y_order * 4 + slice_num; | |
| 50 | } | ||
| 51 | |||
| 52 | #endif /* AVCODEC_SPEEDHQENC_H */ | ||
| 53 |