repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Common Ut Video header | |
| 3 | * Copyright (c) 2011 Konstantin Shishkov | |
| 4 | * | |
| 5 | * This file is part of FFmpeg. | |
| 6 | * | |
| 7 | * FFmpeg is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU Lesser General Public | |
| 9 | * License as published by the Free Software Foundation; either | |
| 10 | * version 2.1 of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * FFmpeg is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public | |
| 18 | * License along with FFmpeg; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef AVCODEC_UTVIDEO_H | |
| 23 | #define AVCODEC_UTVIDEO_H | |
| 24 | ||
| 25 | /** | |
| 26 | * @file | |
| 27 | * Common Ut Video header | |
| 28 | */ | |
| 29 | ||
| 30 | #include "libavutil/common.h" | |
| 31 | #include "avcodec.h" | |
| 32 | #include "bswapdsp.h" | |
| 33 | #include "huffyuvencdsp.h" | |
| 34 | ||
| 35 | enum { | |
| 36 | PRED_NONE = 0, | |
| 37 | PRED_LEFT, | |
| 38 | PRED_GRADIENT, | |
| 39 | PRED_MEDIAN, | |
| 40 | }; | |
| 41 | ||
| 42 | enum { | |
| 43 | COMP_NONE = 0, | |
| 44 | COMP_HUFF, | |
| 45 | }; | |
| 46 | ||
| 47 | /* | |
| 48 | * "Original format" markers. | |
| 49 | * Based on values gotten from the official VFW encoder. | |
| 50 | * They are not used during decoding, but they do have | |
| 51 | * an informative role on seeing what was input | |
| 52 | * to the encoder. | |
| 53 | */ | |
| 54 | enum { | |
| 55 | UTVIDEO_RGB = MKTAG(0x00, 0x00, 0x01, 0x18), | |
| 56 | UTVIDEO_RGBA = MKTAG(0x00, 0x00, 0x02, 0x18), | |
| 57 | UTVIDEO_420 = MKTAG('Y', 'V', '1', '2'), | |
| 58 | UTVIDEO_422 = MKTAG('Y', 'U', 'Y', '2'), | |
| 59 | }; | |
| 60 | ||
| 61 | /* Mapping of libavcodec prediction modes to Ut Video's */ | |
| 62 | extern const int ff_ut_pred_order[5]; | |
| 63 | ||
| 64 | /* Order of RGB(A) planes in Ut Video */ | |
| 65 | extern const int ff_ut_rgb_order[4]; | |
| 66 | ||
| 67 | typedef struct UtvideoContext { | |
| 68 | AVCodecContext *avctx; | |
| 69 | BswapDSPContext bdsp; | |
| 70 | HuffYUVEncDSPContext hdsp; | |
| 71 | ||
| 72 | uint32_t frame_info_size, flags, frame_info; | |
| 73 | int planes; | |
| 74 | int slices; | |
| 75 | int compression; | |
| 76 | int interlaced; | |
| 77 | int frame_pred; | |
| 78 | ||
| 79 | int slice_stride; | |
| 80 | uint8_t *slice_bits, *slice_buffer[4]; | |
| 81 | int slice_bits_size; | |
| 82 | } UtvideoContext; | |
| 83 | ||
| 84 | typedef struct HuffEntry { | |
| 85 | uint8_t sym; | |
| 86 | uint8_t len; | |
| 87 | uint32_t code; | |
| 88 | } HuffEntry; | |
| 89 | ||
| 90 | /* Compare huffman tree nodes */ | |
| 91 | int ff_ut_huff_cmp_len(const void *a, const void *b); | |
| 92 | ||
| 93 | #endif /* AVCODEC_UTVIDEO_H */ |