FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
dnxhdenc.h
Go to the documentation of this file.
1 /*
2  * VC3/DNxHD encoder structure definitions and prototypes
3  * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
4  *
5  * VC-3 encoder funded by the British Broadcasting Corporation
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 #ifndef AVCODEC_DNXHDENC_H
25 #define AVCODEC_DNXHDENC_H
26 
27 #include <stdint.h>
28 
29 #include "mpegvideo.h"
30 #include "dnxhddata.h"
31 
32 typedef struct RCCMPEntry {
33  uint16_t mb;
34  int value;
35 } RCCMPEntry;
36 
37 typedef struct RCEntry {
38  int ssd;
39  int bits;
40 } RCEntry;
41 
42 typedef struct DNXHDEncContext {
43  AVClass *class;
45  MpegEncContext m; ///< Used for quantization dsp functions
46 
47  int cid;
48  int profile;
50  uint8_t *msip; ///< Macroblock Scan Indexes Payload
51  uint32_t *slice_size;
52  uint32_t *slice_offs;
53 
55 
56  // Because our samples are either 8 or 16 bits for 8-bit and 10-bit
57  // encoding respectively, these refer either to bytes or to two-byte words.
58  unsigned dct_y_offset;
59  unsigned dct_uv_offset;
60  unsigned block_width_l2;
61 
65 
67  int cur_field;
68 
70  unsigned min_padding;
72 
73  DECLARE_ALIGNED(16, int16_t, blocks)[8][64];
76 
77  int (*qmatrix_c) [64];
78  int (*qmatrix_l) [64];
79  uint16_t (*qmatrix_l16)[2][64];
80  uint16_t (*qmatrix_c16)[2][64];
81 
82  unsigned frame_bits;
83  uint8_t *src[3];
84 
85  uint32_t *vlc_codes;
87  uint16_t *run_codes;
89 
90  /** Rate control */
91  unsigned slice_bits;
92  unsigned qscale;
93  unsigned lambda;
94 
95  uint16_t *mb_bits;
97 
101 
102  void (*get_pixels_8x4_sym)(int16_t * /* align 16 */,
103  const uint8_t *, ptrdiff_t);
105 
107 
108 #endif /* AVCODEC_DNXHDENC_H */
RCCMPEntry * mb_cmp_tmp
Definition: dnxhdenc.h:99
RCEntry * mb_rc
Definition: dnxhdenc.h:100
int(* qmatrix_l)[64]
Definition: dnxhdenc.h:78
unsigned dct_uv_offset
Definition: dnxhdenc.h:59
mpegvideo header.
struct DNXHDEncContext * thread[MAX_THREADS]
Definition: dnxhdenc.h:54
int coding_unit_size
Definition: dnxhdenc.h:63
int intra_quant_bias
Definition: dnxhdenc.h:71
int16_t blocks[8][64]
Definition: dnxhdenc.h:73
uint8_t
void(* get_pixels_8x4_sym)(int16_t *, const uint8_t *, ptrdiff_t)
Definition: dnxhdenc.h:102
uint32_t * slice_size
Definition: dnxhdenc.h:51
int(* qmatrix_c)[64]
Definition: dnxhdenc.h:77
uint32_t * slice_offs
Definition: dnxhdenc.h:52
unsigned qscale
Definition: dnxhdenc.h:92
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:101
BlockDSPContext bdsp
Definition: dnxhdenc.h:44
unsigned slice_bits
Rate control.
Definition: dnxhdenc.h:91
uint16_t * run_codes
Definition: dnxhdenc.h:87
#define MAX_THREADS
MpegEncContext m
Used for quantization dsp functions.
Definition: dnxhdenc.h:45
uint8_t * run_bits
Definition: dnxhdenc.h:88
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
unsigned frame_bits
Definition: dnxhdenc.h:82
AVFormatContext * ctx
Definition: movenc.c:48
uint16_t(* qmatrix_l16)[2][64]
Definition: dnxhdenc.h:79
uint8_t * msip
Macroblock Scan Indexes Payload.
Definition: dnxhdenc.h:50
int value
Definition: dnxhdenc.h:34
uint8_t * vlc_bits
Definition: dnxhdenc.h:86
unsigned block_width_l2
Definition: dnxhdenc.h:60
unsigned lambda
Definition: dnxhdenc.h:93
uint8_t edge_buf_y[256]
Definition: dnxhdenc.h:74
void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
Definition: dnxhdenc_init.c:31
Describe the class of an AVClass context structure.
Definition: log.h:67
int ssd
Definition: dnxhdenc.h:38
const CIDEntry * cid_table
Definition: dnxhdenc.h:49
uint16_t(* qmatrix_c16)[2][64]
Definition: dnxhdenc.h:80
unsigned dct_y_offset
Definition: dnxhdenc.h:58
unsigned min_padding
Definition: dnxhdenc.h:70
uint16_t * mb_bits
Definition: dnxhdenc.h:95
MpegEncContext.
Definition: mpegvideo.h:78
int
RCCMPEntry * mb_cmp
Definition: dnxhdenc.h:98
int nitris_compat
Definition: dnxhdenc.h:69
int bits
Definition: dnxhdenc.h:39
uint8_t edge_buf_uv[2][128]
Definition: dnxhdenc.h:75
uint16_t mb
Definition: dnxhdenc.h:33
uint32_t * vlc_codes
Definition: dnxhdenc.h:85
uint8_t * src[3]
Definition: dnxhdenc.h:83
uint8_t * mb_qscale
Definition: dnxhdenc.h:96