mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
2.3 KiB
91 lines
2.3 KiB
/* |
|
* Common Ut Video header |
|
* Copyright (c) 2011 Konstantin Shishkov |
|
* |
|
* 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_UTVIDEO_H |
|
#define AVCODEC_UTVIDEO_H |
|
|
|
/** |
|
* @file |
|
* Common Ut Video header |
|
*/ |
|
|
|
#include "libavutil/common.h" |
|
#include "avcodec.h" |
|
#include "dsputil.h" |
|
|
|
enum { |
|
PRED_NONE = 0, |
|
PRED_LEFT, |
|
PRED_GRADIENT, |
|
PRED_MEDIAN, |
|
}; |
|
|
|
enum { |
|
COMP_NONE = 0, |
|
COMP_HUFF, |
|
}; |
|
|
|
/* |
|
* "Original format" markers. |
|
* Based on values gotten from the official VFW encoder. |
|
* They are not used during decoding, but they do have |
|
* an informative role on seeing what was input |
|
* to the encoder. |
|
*/ |
|
enum { |
|
UTVIDEO_RGB = MKTAG(0x00, 0x00, 0x01, 0x18), |
|
UTVIDEO_RGBA = MKTAG(0x00, 0x00, 0x02, 0x18), |
|
UTVIDEO_420 = MKTAG('Y', 'V', '1', '2'), |
|
UTVIDEO_422 = MKTAG('Y', 'U', 'Y', '2'), |
|
}; |
|
|
|
/* Mapping of libavcodec prediction modes to Ut Video's */ |
|
extern const int ff_ut_pred_order[5]; |
|
|
|
/* Order of RGB(A) planes in Ut Video */ |
|
extern const int ff_ut_rgb_order[4]; |
|
|
|
typedef struct UtvideoContext { |
|
AVCodecContext *avctx; |
|
AVFrame pic; |
|
DSPContext dsp; |
|
|
|
uint32_t frame_info_size, flags, frame_info; |
|
int planes; |
|
int slices; |
|
int compression; |
|
int interlaced; |
|
int frame_pred; |
|
|
|
uint8_t *slice_bits, *slice_buffer; |
|
int slice_bits_size; |
|
} UtvideoContext; |
|
|
|
typedef struct HuffEntry { |
|
uint8_t sym; |
|
uint8_t len; |
|
uint32_t code; |
|
} HuffEntry; |
|
|
|
/* Compare huffman tree nodes */ |
|
int ff_ut_huff_cmp_len(const void *a, const void *b); |
|
|
|
#endif /* AVCODEC_UTVIDEO_H */
|
|
|