5 |
* |
* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder |
* This file is part of XviD, a free MPEG-4 video encoder/decoder |
7 |
* |
* |
8 |
* XviD is free software; you can redistribute it and/or modify it |
* This program is free software; you can redistribute it and/or modify |
9 |
* under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
10 |
* the Free Software Foundation; either version 2 of the License, or |
* the Free Software Foundation; either version 2 of the License, or |
11 |
* (at your option) any later version. |
* (at your option) any later version. |
12 |
* |
* |
19 |
* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 |
* |
* |
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* Under section 8 of the GNU General Public License, the copyright |
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* holders of XVID explicitly forbid distribution in the following |
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* countries: |
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* |
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* - Japan |
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* - United States of America |
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* |
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* Linking XviD statically or dynamically with other modules is making a |
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* combined work based on XviD. Thus, the terms and conditions of the |
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* GNU General Public License cover the whole combination. |
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* |
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* As a special exception, the copyright holders of XviD give you |
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* permission to link XviD with independent modules that communicate with |
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* XviD solely through the VFW1.1 and DShow interfaces, regardless of the |
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* license terms of these independent modules, and to copy and distribute |
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* the resulting combined work under terms of your choice, provided that |
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* every copy of the combined work is accompanied by a complete copy of |
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* the source code of XviD (the version of XviD used to produce the |
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* combined work), being distributed under the terms of the GNU General |
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* Public License plus this exception. An independent module is a module |
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* which is not derived from or based on XviD. |
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* |
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* Note that people who make modified versions of XviD are not obligated |
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* to grant this special exception for their modified versions; it is |
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* their choice whether to do so. The GNU General Public License gives |
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* permission to release a modified version without this exception; this |
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* exception also makes it possible to release a modified version which |
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* carries forward this exception. |
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* |
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22 |
* $Id$ |
* $Id$ |
23 |
* |
* |
24 |
*****************************************************************************/ |
****************************************************************************/ |
25 |
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26 |
#ifndef _XVID_H_ |
#ifndef _XVID_H_ |
27 |
#define _XVID_H_ |
#define _XVID_H_ |
28 |
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29 |
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30 |
#ifdef __cplusplus |
#ifdef __cplusplus |
31 |
extern "C" { |
extern "C" { |
32 |
#endif |
#endif |
33 |
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34 |
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/***************************************************************************** |
35 |
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* versioning |
36 |
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****************************************************************************/ |
37 |
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38 |
/** |
/* versioning |
39 |
* \defgroup global_grp Global constants used in both encoder and decoder. |
version takes the form "$major.$minor.$patch" |
40 |
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$patch is incremented when there is no api change |
41 |
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$minor is incremented when the api is changed, but remains backwards compatible |
42 |
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$major is incremented when the api is changed significantly |
43 |
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44 |
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when initialising an xvid structure, you must always zero it, and set the version field. |
45 |
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memset(&struct,0,sizeof(struct)); |
46 |
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struct.version = XVID_VERSION; |
47 |
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48 |
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XVID_UNSTABLE is defined only during development. |
49 |
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*/ |
50 |
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51 |
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#define XVID_MAKE_VERSION(a,b,c) ( (((a)&0xff)<<16) | (((b)&0xff)<<8) | ((c)&0xff) ) |
52 |
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#define XVID_MAJOR(a) ( ((a)>>16) & 0xff ) |
53 |
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#define XVID_MINOR(b) ((char)( ((b)>>8) & 0xff )) |
54 |
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#define XVID_PATCH(c) ( (c) & 0xff ) |
55 |
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56 |
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#define XVID_VERSION XVID_MAKE_VERSION(1,-127,0) |
57 |
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#define XVID_UNSTABLE |
58 |
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59 |
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/* Bitstream Version |
60 |
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* this will be writen into the bitstream to allow easy detection of xvid |
61 |
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* encoder bugs in the decoder, without this it might not possible to |
62 |
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* automatically distinquish between a file which has been encoded with an |
63 |
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* old & buggy XVID from a file which has been encoded with a bugfree version |
64 |
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* see the infamous interlacing bug ... |
65 |
* |
* |
66 |
* This module describe all constants used in both the encoder and the decoder. |
* this MUST be increased if an encoder bug is fixed, increasing it too often |
67 |
* @{ |
* doesnt hurt but not increasing it could cause difficulty for decoders in the |
68 |
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* future |
69 |
*/ |
*/ |
70 |
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#define XVID_BS_VERSION "0009" |
71 |
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72 |
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73 |
/***************************************************************************** |
/***************************************************************************** |
74 |
* API version number |
* error codes |
75 |
****************************************************************************/ |
****************************************************************************/ |
76 |
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77 |
/** |
/* all functions return values <0 indicate error */ |
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* \defgroup api_grp API version |
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* @{ |
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*/ |
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78 |
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79 |
#define API_VERSION ((2 << 16) | (1))/**< This constant tells you what XviD's |
#define XVID_ERR_FAIL -1 /* general fault */ |
80 |
* version this header defines. |
#define XVID_ERR_MEMORY -2 /* memory allocation error */ |
81 |
* |
#define XVID_ERR_FORMAT -3 /* file format error */ |
82 |
* You can use it to check if the host XviD library API is the same as the one |
#define XVID_ERR_VERSION -4 /* structure version not supported */ |
83 |
* you used to build you client program. If versions mismatch, then it is |
#define XVID_ERR_END -5 /* encoder only; end of stream reached */ |
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* highly possible that your application will segfault because the host XviD |
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* library and your application use different structures. |
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* |
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*/ |
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84 |
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/** @} */ |
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85 |
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86 |
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87 |
/***************************************************************************** |
/***************************************************************************** |
88 |
* Error codes |
* xvid_image_t |
89 |
****************************************************************************/ |
****************************************************************************/ |
90 |
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91 |
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/* colorspace values */ |
92 |
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93 |
/** |
#define XVID_CSP_USER 0 /* 4:2:0 planar */ |
94 |
* \defgroup error_grp Error codes returned by XviD API entry points. |
#define XVID_CSP_I420 1 /* 4:2:0 packed(planar win32) */ |
95 |
* @{ |
#define XVID_CSP_YV12 2 /* 4:2:0 packed(planar win32) */ |
96 |
*/ |
#define XVID_CSP_YUY2 3 /* 4:2:2 packed */ |
97 |
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#define XVID_CSP_UYVY 4 /* 4:2:2 packed */ |
98 |
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#define XVID_CSP_YVYU 5 /* 4:2:2 packed */ |
99 |
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#define XVID_CSP_BGRA 6 /* 32-bit bgra packed */ |
100 |
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#define XVID_CSP_ABGR 7 /* 32-bit abgr packed */ |
101 |
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#define XVID_CSP_RGBA 8 /* 32-bit rgba packed */ |
102 |
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#define XVID_CSP_BGR 9 /* 32-bit bgr packed */ |
103 |
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#define XVID_CSP_RGB555 10 /* 16-bit rgb555 packed */ |
104 |
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#define XVID_CSP_RGB565 11 /* 16-bit rgb565 packed */ |
105 |
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#define XVID_CSP_SLICE 12 /* decoder only: 4:2:0 planar, per slice rendering */ |
106 |
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#define XVID_CSP_INTERNAL 13 /* decoder only: 4:2:0 planar, returns ptrs to internal buffers */ |
107 |
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#define XVID_CSP_NULL 14 /* decoder only: dont output anything */ |
108 |
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#define XVID_CSP_VFLIP 0x80000000 /* vertical flip mask */ |
109 |
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110 |
#define XVID_ERR_FAIL -1 /**< Operation failed. |
/* xvid_image_t |
111 |
* |
for non-planar colorspaces use only plane[0] and stride[0] |
112 |
* The requested XviD operation failed. If this error code is returned from : |
four plane reserved for alpha*/ |
113 |
* <ul> |
typedef struct { |
114 |
* <li>the xvid_init function : you must not try to use an XviD's instance from |
int csp; /* [in] colorspace; or with XVID_CSP_VFLIP to perform vertical flip */ |
115 |
* this point of the code. Clean all instances you |
void * plane[4]; /* [in] image plane ptrs */ |
116 |
* already created and exit the program cleanly. |
int stride[4]; /* [in] image stride; "bytes per row"*/ |
117 |
* <li>xvid_encore or xvid_decore : something was wrong and en/decoding |
} xvid_image_t; |
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* operation was not completed sucessfully. |
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* you can stop the en/decoding process or just |
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* ignore and go on. |
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* <li>xvid_stop : you can safely ignore it if you call this function at the |
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* end of your program. |
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* </ul> |
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*/ |
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118 |
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119 |
#define XVID_ERR_OK 0 /**< Operation succeed. |
/* video-object-sequence profiles */ |
120 |
* |
#define XVID_PROFILE_S_L0 0x08 /* simple */ |
121 |
* The requested XviD operation succeed, you can continue to use XviD's |
#define XVID_PROFILE_S_L1 0x01 |
122 |
* functions. |
#define XVID_PROFILE_S_L2 0x02 |
123 |
*/ |
#define XVID_PROFILE_S_L3 0x03 |
124 |
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#define XVID_PROFILE_ARTS_L1 0x91 /* advanced realtime simple */ |
125 |
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#define XVID_PROFILE_ARTS_L2 0x92 |
126 |
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#define XVID_PROFILE_ARTS_L3 0x93 |
127 |
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#define XVID_PROFILE_ARTS_L4 0x94 |
128 |
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#define XVID_PROFILE_AS_L0 0xf0 /* advanced simple */ |
129 |
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#define XVID_PROFILE_AS_L1 0xf1 |
130 |
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#define XVID_PROFILE_AS_L2 0xf2 |
131 |
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#define XVID_PROFILE_AS_L3 0xf3 |
132 |
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#define XVID_PROFILE_AS_L4 0xf4 |
133 |
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134 |
#define XVID_ERR_MEMORY 1 /**< Operation failed. |
/* aspect ratios */ |
135 |
* |
#define XVID_PAR_11_VGA 1 /* 1:1 vga (square) */ |
136 |
* Insufficent memory was available on the host system. |
#define XVID_PAR_43_PAL 2 /* 4:3 pal (12:11 625-line) */ |
137 |
*/ |
#define XVID_PAR_43_NTSC 3 /* 4:3 ntsc (10:11 525-line) */ |
138 |
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#define XVID_PAR_169_PAL 4 /* 16:9 pal (16:11 625-line) */ |
139 |
#define XVID_ERR_FORMAT 2 /**< Operation failed. |
#define XVID_PAR_169_NTSC 5 /* 16:9 ntsc (40:33 525-line) */ |
140 |
* |
#define XVID_PAR_EXT 15 /* extended par; use par_width, par_height */ |
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* The format of the parameters or input stream were incorrect. |
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*/ |
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141 |
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142 |
/** @} */ |
/* frame type flags */ |
143 |
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#define XVID_TYPE_VOL -1 /* decoder only: vol was decoded */ |
144 |
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#define XVID_TYPE_NOTHING 0 /* decoder only (encoder stats): nothing was decoded/encoded */ |
145 |
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#define XVID_TYPE_AUTO 0 /* encoder: automatically determine coding type */ |
146 |
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#define XVID_TYPE_IVOP 1 /* intra frame */ |
147 |
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#define XVID_TYPE_PVOP 2 /* predicted frame */ |
148 |
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#define XVID_TYPE_BVOP 3 /* bidirectionally encoded */ |
149 |
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#define XVID_TYPE_SVOP 4 /* predicted+sprite frame */ |
150 |
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151 |
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152 |
/***************************************************************************** |
/***************************************************************************** |
153 |
* Color space constants |
* xvid_global() |
154 |
****************************************************************************/ |
****************************************************************************/ |
155 |
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156 |
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/* cpu_flags definitions */ |
157 |
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158 |
/** |
#define XVID_CPU_FORCE 0x80000000 /* force passed cpu flags */ |
159 |
* \defgroup csp_grp Colorspaces constants. |
#define XVID_CPU_ASM 0x00000080 /* native assembly */ |
160 |
* @{ |
/* ARCH_IS_IA32 */ |
161 |
*/ |
#define XVID_CPU_MMX 0x00000001 /* mmx : pentiumMMX,k6 */ |
162 |
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#define XVID_CPU_MMXEXT 0x00000002 /* mmx-ext : pentium2, athlon */ |
163 |
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#define XVID_CPU_SSE 0x00000004 /* sse : pentium3, athlonXP */ |
164 |
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#define XVID_CPU_SSE2 0x00000008 /* sse2 : pentium4, athlon64 */ |
165 |
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#define XVID_CPU_3DNOW 0x00000010 /* 3dnow : k6-2 */ |
166 |
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#define XVID_CPU_3DNOWEXT 0x00000020 /* 3dnow-ext: athlon */ |
167 |
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#define XVID_CPU_TSC 0x00000040 /* timestamp counter */ |
168 |
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/* ARCH_IS_PPC */ |
169 |
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#define XVID_CPU_ALTIVEC 0x00000001 /* altivec */ |
170 |
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#define XVID_CSP_RGB24 0 /**< 24-bit RGB colorspace (b,g,r packed) */ |
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#define XVID_CSP_YV12 1 /**< YV12 colorspace (y,v,u planar) */ |
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#define XVID_CSP_YUY2 2 /**< YUY2 colorspace (y,u,y,v packed) */ |
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#define XVID_CSP_UYVY 3 /**< UYVY colorspace (u,y,v,y packed) */ |
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#define XVID_CSP_I420 4 /**< I420 colorsapce (y,u,v planar) */ |
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#define XVID_CSP_RGB555 10 /**< 16-bit RGB555 colorspace */ |
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#define XVID_CSP_RGB565 11 /**< 16-bit RGB565 colorspace */ |
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#define XVID_CSP_USER 12 /**< user colorspace format, where the image buffer points |
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* to a DEC_PICTURE (y,u,v planar) structure. |
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* |
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* For encoding, image is read from the DEC_PICTURE |
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* parameter values. For decoding, the DEC_PICTURE |
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* parameters are set, pointing to the internal XviD |
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* image buffer. */ |
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#define XVID_CSP_EXTERN 1004 /**< Special colorspace used for slice rendering |
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* |
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* The application provides an external buffer to XviD. |
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* This way, XviD works directly into the final rendering |
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* buffer, no need to specify this is a speed boost feature. |
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* This feature is only used by mplayer at the moment, refer |
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* to mplayer code to see how it can be used. */ |
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#define XVID_CSP_YVYU 1002 /**< YVYU colorspace (y,v,y,u packed) */ |
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#define XVID_CSP_RGB32 1000 /**< 32-bit RGB colorspace (b,g,r,a packed) */ |
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#define XVID_CSP_NULL 9999 /**< NULL colorspace; no conversion is performed */ |
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171 |
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172 |
#define XVID_CSP_VFLIP 0x80000000 /**< (flag) Flip frame vertically during conversion */ |
/* XVID_GBL_INIT param1 */ |
173 |
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typedef struct { |
174 |
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int version; |
175 |
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int cpu_flags; /* [in:opt] zero = autodetect cpu |
176 |
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XVID_CPU_FORCE|{cpu features} = force cpu features */ |
177 |
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} xvid_gbl_init_t; |
178 |
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/** @} */ |
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179 |
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180 |
/** @} */ |
/* XVID_GBL_INFO param1 */ |
181 |
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typedef struct { |
182 |
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int version; |
183 |
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int actual_version; /* [out] returns the actual xvidcore version */ |
184 |
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const char * build; /* [out] if !null, points to description of this xvid core build */ |
185 |
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int cpu_flags; /* [out] detected cpu features */ |
186 |
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int num_threads; /* [out] detected number of cpus/threads */ |
187 |
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} xvid_gbl_info_t; |
188 |
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189 |
/** |
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190 |
* \defgroup init_grp Initialization constants, structures and functions. |
/* XVID_GBL_CONVERT param1 */ |
191 |
* |
typedef struct { |
192 |
* This section describes all the constants, structures and functions used to |
int version; |
193 |
* initialize the XviD core library |
xvid_image_t input; /* [in] input image & colorspace */ |
194 |
* |
xvid_image_t output; /* [in] output image & colorspace */ |
195 |
* @{ |
int width; /* [in] width */ |
196 |
*/ |
int height; /* [in] height */ |
197 |
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int interlacing; /* [in] interlacing */ |
198 |
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} xvid_gbl_convert_t; |
199 |
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200 |
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201 |
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#define XVID_GBL_INIT 0 /* initialize xvidcore; must be called before using xvid_decore, or xvid_encore) */ |
202 |
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#define XVID_GBL_INFO 1 /* return some info about xvidcore, and the host computer */ |
203 |
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#define XVID_GBL_CONVERT 2 /* colorspace conversion utility */ |
204 |
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#define XVID_GBL_TEST 3 /* testing.. */ |
205 |
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206 |
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int xvid_global(void *handle, int opt, void *param1, void *param2); |
207 |
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208 |
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209 |
/***************************************************************************** |
/***************************************************************************** |
210 |
* CPU flags |
* xvid_decore() |
211 |
****************************************************************************/ |
****************************************************************************/ |
212 |
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213 |
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#define XVID_DEC_CREATE 0 /* create decore instance; return 0 on success */ |
214 |
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#define XVID_DEC_DESTROY 1 /* destroy decore instance: return 0 on success */ |
215 |
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#define XVID_DEC_DECODE 2 /* decode a frame: returns number of bytes consumed >= 0 */ |
216 |
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217 |
/** |
int xvid_decore(void *handle, int opt, void *param1, void *param2); |
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* \defgroup cpu_grp Flags for XVID_INIT_PARAM.cpu_flags. |
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* |
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* This section describes all constants that show host cpu available features, |
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* and allow a client application to force usage of some cpu instructions sets. |
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* @{ |
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*/ |
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218 |
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219 |
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/* XVID_DEC_CREATE param 1 |
220 |
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image width & height may be specified here when the dimensions are |
221 |
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known in advance. */ |
222 |
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typedef struct { |
223 |
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int version; |
224 |
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int width; /* [in:opt] image width */ |
225 |
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int height; /* [in:opt] image width */ |
226 |
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void * handle; /* [out] decore context handle */ |
227 |
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} xvid_dec_create_t; |
228 |
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/** |
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* \defgroup x86_grp x86 specific cpu flags |
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* @{ |
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*/ |
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229 |
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230 |
#define XVID_CPU_MMX 0x00000001 /**< use/has MMX instruction set */ |
/* XVID_DEC_DECODE param1 */ |
231 |
#define XVID_CPU_MMXEXT 0x00000002 /**< use/has MMX-ext (pentium3) instruction set */ |
/* general flags */ |
232 |
#define XVID_CPU_SSE 0x00000004 /**< use/has SSE (pentium3) instruction set */ |
#define XVID_LOWDELAY 0x00000001 /* lowdelay mode */ |
233 |
#define XVID_CPU_SSE2 0x00000008 /**< use/has SSE2 (pentium4) instruction set */ |
#define XVID_DISCONTINUITY 0x00000002 /* indicates break in stream */ |
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#define XVID_CPU_3DNOW 0x00000010 /**< use/has 3dNOW (k6-2) instruction set */ |
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#define XVID_CPU_3DNOWEXT 0x00000020 /**< use/has 3dNOW-ext (athlon) instruction set */ |
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#define XVID_CPU_TSC 0x00000040 /**< has TimeStampCounter instruction */ |
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/** @} */ |
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/** |
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* \defgroup ia64_grp ia64 specific cpu flags. |
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* @{ |
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*/ |
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#define XVID_CPU_IA64 0x00000080 /**< Forces ia64 optimized code usage |
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* |
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* This flags allow client applications to force IA64 optimized functions. |
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* This feature is considered exeperimental and should be treated as is. |
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*/ |
|
234 |
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|
235 |
/** @} */ |
typedef struct { |
236 |
|
int version; |
237 |
|
int general; /* [in:opt] general flags */ |
238 |
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void *bitstream; /* [in] bitstream (read from)*/ |
239 |
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int length; /* [in] bitstream length */ |
240 |
|
xvid_image_t output; /* [in] output image (written to) */ |
241 |
|
} |
242 |
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xvid_dec_frame_t; |
243 |
|
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/** |
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* \defgroup iniflags_grp Initialization commands. |
|
|
* |
|
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* @{ |
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*/ |
|
244 |
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|
245 |
#define XVID_CPU_CHKONLY 0x40000000 /**< Check cpu features |
/* XVID_DEC_DECODE param2 :: optional */ |
246 |
* |
typedef struct |
247 |
* When this flag is set, the xvid_init function performs just a cpu feature |
{ |
248 |
* checking and then fills the cpu field. This flag is usefull when client |
int version; |
249 |
* applications want to know what instruction sets the host cpu supports. |
int type; /* [out] output data type */ |
250 |
*/ |
union { |
251 |
|
struct { /* type>0 {XVID_TYPE_IVOP,XVID_TYPE_PVOP,XVID_TYPE_BVOP,XVID_TYPE_SVOP} */ |
252 |
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int general; /* [out] flags */ |
253 |
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int time_base; /* [out] time base */ |
254 |
|
int time_increment; /* [out] time increment */ |
255 |
|
|
256 |
#define XVID_CPU_FORCE 0x80000000 /**< Force input flags to be used |
/* XXX: external deblocking stuff */ |
257 |
* |
int * qscale; /* [out] pointer to quantizer table */ |
258 |
* When this flag is set, client application forces XviD to use other flags |
int qscale_stride; /* [out] quantizer scale stride */ |
|
* set in cpu_flags. \b Use this at your own risk. |
|
|
*/ |
|
259 |
|
|
260 |
/** @} */ |
} vop; |
261 |
|
struct { /* XVID_TYPE_VOL */ |
262 |
|
int general; /* [out] flags */ |
263 |
|
int width; /* [out] width */ |
264 |
|
int height; /* [out] height */ |
265 |
|
int par; /* [out] picture aspect ratio (refer to XVID_PAR_xxx above) */ |
266 |
|
int par_width; /* [out] aspect ratio width */ |
267 |
|
int par_height; /* [out] aspect ratio height */ |
268 |
|
} vol; |
269 |
|
} data; |
270 |
|
} xvid_dec_stats_t; |
271 |
|
|
|
/** @} */ |
|
272 |
|
|
|
/***************************************************************************** |
|
|
* Initialization structures |
|
|
****************************************************************************/ |
|
273 |
|
|
274 |
/** Structure used in xvid_init function. */ |
#define XVID_ZONE_QUANT 1 |
275 |
|
#define XVID_ZONE_WEIGHT 2 |
276 |
typedef struct |
typedef struct |
277 |
{ |
{ |
278 |
int cpu_flags; /**< [in/out] |
int frame; |
279 |
* |
int mode; |
280 |
* Filled with desired[in] or available[out] |
int increment; |
281 |
* cpu instruction sets. |
int base; |
282 |
*/ |
} xvid_enc_zone_t; |
283 |
int api_version; /**< [out] |
|
284 |
* |
|
|
* xvid_init will initialize this field with |
|
|
* the API_VERSION used in this XviD core |
|
|
* library |
|
|
*/ |
|
|
int core_build; /**< [out] |
|
|
* \todo Unused. |
|
|
*/ |
|
|
} |
|
|
XVID_INIT_PARAM; |
|
285 |
|
|
286 |
/***************************************************************************** |
/***************************************************************************** |
287 |
* Initialization entry point |
xvid plugin system -- internals |
288 |
|
|
289 |
|
xvidcore will call XVID_PLG_INFO and XVID_PLG_CREATE during XVID_ENC_CREATE |
290 |
|
before encoding each frame xvidcore will call XVID_PLG_BEFORE |
291 |
|
after encoding each frame xvidcore will call XVID_PLG_AFTER |
292 |
|
xvidcore will call XVID_PLG_DESTROY during XVID_ENC_DESTROY |
293 |
****************************************************************************/ |
****************************************************************************/ |
294 |
|
|
|
/** |
|
|
* \defgroup inientry_grp Initialization entry point. |
|
|
* @{ |
|
|
*/ |
|
295 |
|
|
296 |
/** |
#define XVID_PLG_CREATE 0 |
297 |
* \brief Initialization entry point. |
#define XVID_PLG_DESTROY 1 |
298 |
* |
#define XVID_PLG_INFO 2 |
299 |
* This is the XviD's initialization entry point, it is only used to initialize |
#define XVID_PLG_BEFORE 3 |
300 |
* the XviD internal data (function pointers, vector length code tables, |
#define XVID_PLG_AFTER 4 |
|
* rgb2yuv lookup tables). |
|
|
* |
|
|
* \param handle Reserved for future use. |
|
|
* \param opt Reserved for future use (set it to 0). |
|
|
* \param param1 Used to pass an XVID_INIT_PARAM parameter. |
|
|
* \param param2 Reserved for future use. |
|
|
*/ |
|
|
int xvid_init(void *handle, |
|
|
int opt, |
|
|
void *param1, |
|
|
void *param2); |
|
301 |
|
|
302 |
/** @} */ |
/* xvid_plg_info_t.flags */ |
303 |
|
#define XVID_REQORIGINAL 1 /* plugin requires a copy of the original (uncompressed) image */ |
304 |
|
#define XVID_REQPSNR 2 /* plugin requires psnr between the uncompressed and compressed image*/ |
305 |
|
#define XVID_REQDQUANTS 3 /* plugin requires access to the dquant table */ |
306 |
|
|
|
/** @} */ |
|
307 |
|
|
308 |
/***************************************************************************** |
typedef struct |
309 |
* Decoder constant |
{ |
310 |
****************************************************************************/ |
int version; |
311 |
|
int flags; /* [in:opt] plugin flags */ |
312 |
|
} xvid_plg_info_t; |
313 |
|
|
|
/** |
|
|
* \defgroup decoder_grp Decoder related functions and structures. |
|
|
* |
|
|
* This part describes all the structures/functions from XviD's API needed for |
|
|
* decoding a MPEG4 compliant streams. |
|
|
* @{ |
|
|
*/ |
|
314 |
|
|
315 |
/** |
typedef struct |
316 |
* \defgroup decframe_grp Flags for XVID_DEC_FRAME.general |
{ |
317 |
* |
int version; |
|
* Flags' description for the XVID_DEC_FRAME.general member. |
|
|
* |
|
|
* @{ |
|
|
*/ |
|
318 |
|
|
319 |
/** Not used at the moment */ |
int num_zones; /* [out] */ |
320 |
#define XVID_QUICK_DECODE 0x00000010 |
xvid_enc_zone_t * zones; /* [out] */ |
321 |
|
|
322 |
|
int width; /* [out] */ |
323 |
|
int height; /* [out] */ |
324 |
|
int mb_width; /* [out] */ |
325 |
|
int mb_height; /* [out] */ |
326 |
|
int fincr; /* [out] */ |
327 |
|
int fbase; /* [out] */ |
328 |
|
|
329 |
/** |
void * param; /* [out] */ |
330 |
* @} |
} xvid_plg_create_t; |
|
*/ |
|
331 |
|
|
|
/***************************************************************************** |
|
|
* Decoder structures |
|
|
****************************************************************************/ |
|
332 |
|
|
333 |
typedef struct |
typedef struct |
334 |
{ |
{ |
335 |
int width; |
int version; |
336 |
int height; |
|
337 |
void *handle; |
int num_frames; /* [out] totlal frame encoded */ |
338 |
} |
} xvid_plg_destroy_t; |
|
XVID_DEC_PARAM; |
|
339 |
|
|
340 |
|
|
341 |
typedef struct |
typedef struct |
342 |
{ |
{ |
343 |
int general; |
int version; |
|
void *bitstream; |
|
|
int length; |
|
|
|
|
|
void *image; |
|
|
int stride; |
|
|
int colorspace; |
|
|
} |
|
|
XVID_DEC_FRAME; |
|
344 |
|
|
345 |
|
xvid_enc_zone_t * zone; /* [out] current zone */ |
346 |
|
|
347 |
/* This struct is used for per slice rendering */ |
int width; /* [out] */ |
348 |
typedef struct |
int height; /* [out] */ |
349 |
{ |
int mb_width; /* [out] */ |
350 |
void *y,*u,*v; |
int mb_height; /* [out] */ |
351 |
int stride_y, stride_u,stride_v; |
int fincr; /* [out] */ |
352 |
} XVID_DEC_PICTURE; |
int fbase; /* [out] */ |
353 |
|
|
354 |
|
int min_quant[3]; /* [out] */ |
355 |
|
int max_quant[3]; /* [out] */ |
356 |
|
|
357 |
|
xvid_image_t reference; /* [out] -> [out] */ |
358 |
|
xvid_image_t current; /* [out] -> [in,out] */ |
359 |
|
xvid_image_t original; /* [out] after: points the original (uncompressed) copy of the current frame */ |
360 |
|
int frame_num; /* [out] frame number */ |
361 |
|
|
362 |
|
int type; /* [in,out] */ |
363 |
|
int quant; /* [in,out] */ |
364 |
|
|
365 |
|
int * dquant; /* [in,out] pointer to diff quantizer table */ |
366 |
|
int dquant_stride; /* [in,out] diff quantizer stride */ |
367 |
|
|
368 |
|
int vop_flags; /* [in,out] */ |
369 |
|
int vol_flags; /* [in,out] */ |
370 |
|
int motion_flags; /* [in,out] */ |
371 |
|
|
372 |
|
int length; /* [out] after: length of encoded frame */ |
373 |
|
int kblks, mblks, ublks; /* [out] after: */ |
374 |
|
int sse_y, sse_u, sse_v; /* [out] */ |
375 |
|
} xvid_plg_data_t; |
376 |
|
|
377 |
|
|
378 |
/***************************************************************************** |
/***************************************************************************** |
379 |
* Decoder entry point |
xvid plugin system -- external |
380 |
|
|
381 |
|
the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array |
382 |
|
indicates the plugin function pointer and plugin-specific data. |
383 |
|
xvidcore handles the rest. example: |
384 |
|
|
385 |
|
xvid_enc_create_t create; |
386 |
|
xvid_enc_plugin_t plugins[2]; |
387 |
|
|
388 |
|
plugins[0].func = xvid_psnr_func; |
389 |
|
plugins[0].param = NULL; |
390 |
|
plugins[1].func = xvid_cbr_func; |
391 |
|
plugins[1].param = &cbr_data; |
392 |
|
|
393 |
|
create.num_plugins = 2; |
394 |
|
create.plugins = plugins; |
395 |
|
|
396 |
****************************************************************************/ |
****************************************************************************/ |
397 |
|
|
398 |
/** |
typedef int (xvid_plugin_func)(void * handle, int opt, void * param1, void * param2); |
|
* \defgroup decops_grp Decoder operations |
|
|
* |
|
|
* These are all the operations XviD's decoder can perform. |
|
|
* |
|
|
* @{ |
|
|
*/ |
|
399 |
|
|
400 |
#define XVID_DEC_DECODE 0 /**< Decodes a frame |
typedef struct |
401 |
* |
{ |
402 |
* This operation constant is used when client application wants to decode a |
xvid_plugin_func * func; |
403 |
* frame. Client application must also fill XVID_DEC_FRAME appropriately. |
void * param; |
404 |
*/ |
} xvid_enc_plugin_t; |
405 |
|
|
|
#define XVID_DEC_CREATE 1 /**< Creates a decoder instance |
|
|
* |
|
|
* This operation constant is used by a client application in order to create |
|
|
* a decoder instance. Decoder instances are independant from each other, and |
|
|
* can be safely threaded. |
|
|
*/ |
|
406 |
|
|
407 |
#define XVID_DEC_DESTROY 2 /**< Destroys a decoder instance |
xvid_plugin_func xvid_plugin_single; /* single-pass rate control */ |
408 |
* |
xvid_plugin_func xvid_plugin_2pass1; /* two-pass rate control: first pass */ |
409 |
* This operation constant is used by the client application to destroy a |
xvid_plugin_func xvid_plugin_2pass2; /* two-pass rate control: second pass */ |
|
* previously created decoder instance. |
|
|
*/ |
|
410 |
|
|
411 |
/** |
xvid_plugin_func xvid_plugin_lumimasking; /* lumimasking */ |
|
* @} |
|
|
*/ |
|
412 |
|
|
413 |
/** |
xvid_plugin_func xvid_plugin_psnr; /* write psnr values to stdout */ |
414 |
* \defgroup decentry_grp Decoder entry point |
xvid_plugin_func xvid_plugin_dump; /* dump before and after yuvpgms */ |
|
* |
|
|
* @{ |
|
|
*/ |
|
415 |
|
|
|
/** |
|
|
* \brief Decoder entry point. |
|
|
* |
|
|
* This is the XviD's decoder entry point. The possible operations are |
|
|
* described in the \ref decops_grp section. |
|
|
* |
|
|
* \param handle Decoder instance handle. |
|
|
* \param opt Decoder option constant |
|
|
* \param param1 Used to pass a XVID_DEC_PARAM or XVID_DEC_FRAME structure |
|
|
* \param param2 Reserved for future use. |
|
|
*/ |
|
416 |
|
|
|
int xvid_decore(void *handle, |
|
|
int opt, |
|
|
void *param1, |
|
|
void *param2); |
|
417 |
|
|
418 |
/** @} */ |
typedef struct /* single pass rate control */ |
419 |
|
{ |
420 |
|
int version; |
421 |
|
int bitrate; /* bits per second */ |
422 |
|
int reaction_delay_factor; |
423 |
|
int averaging_period; |
424 |
|
int buffer; |
425 |
|
} xvid_plugin_single_t; |
426 |
|
|
|
/** @} */ |
|
427 |
|
|
428 |
/** |
typedef struct { |
429 |
* \defgroup encoder_grp Encoder related functions and structures. |
int version; |
430 |
* |
char * filename; |
431 |
* @{ |
} xvid_plugin_2pass1_t; |
|
*/ |
|
432 |
|
|
|
/***************************************************************************** |
|
|
* Encoder constants |
|
|
****************************************************************************/ |
|
433 |
|
|
434 |
/** |
#define XVID_CURVE_COSINE 0 /* low aggressiveness */ |
435 |
* \defgroup encgenflags_grp Flags for XVID_ENC_FRAME.general |
#define XVID_CURVE_LINEAR 1 /* medium aggressiveness */ |
436 |
* @{ |
#define XVID_CURVE_SINE 2 /* high aggressiveness */ |
|
*/ |
|
437 |
|
|
438 |
#define XVID_VALID_FLAGS 0x80000000 /**< Reserved for future use */ |
#define XVID_PAYBACK_BIAS 0 /* payback with bias */ |
439 |
|
#define XVID_PAYBACK_PROP 1 /* payback proportionally */ |
440 |
|
|
441 |
#define XVID_CUSTOM_QMATRIX 0x00000004 /**< Use custom quantization matrices |
typedef struct { |
442 |
* |
int version; |
443 |
* This flag forces XviD to use custom matrices passed to encoder in |
int bitrate; /* bits per second */ |
444 |
* XVID_ENC_FRAME structure (members quant_intra_matrix and quant_inter_matrix) */ |
char * filename; |
|
#define XVID_H263QUANT 0x00000010 /**< Use H263 quantization |
|
|
* |
|
|
* This flag forces XviD to use H263 quantization type */ |
|
|
#define XVID_MPEGQUANT 0x00000020 /**< Use MPEG4 quantization. |
|
|
* |
|
|
* This flag forces XviD to use MPEG4 quantization type */ |
|
|
#define XVID_HALFPEL 0x00000040 /**< Halfpel motion estimation |
|
|
* |
|
|
* informs xvid to perform a half pixel motion estimation. */ |
|
|
#define XVID_ADAPTIVEQUANT 0x00000080/**< Adaptive quantization |
|
|
* |
|
|
* informs xvid to perform an adaptative quantization using a Luminance |
|
|
* masking algorithm */ |
|
|
#define XVID_LUMIMASKING 0x00000100/**< Lumimasking flag |
|
|
* |
|
|
* \deprecated This flag is no longer used. */ |
|
|
#define XVID_LATEINTRA 0x00000200/**< Unknown |
|
|
* |
|
|
* \deprecated This flag is no longer used. */ |
|
|
#define XVID_INTERLACING 0x00000400/**< MPEG4 interlacing mode. |
|
|
* |
|
|
* Enables interlacing encoding mode */ |
|
|
#define XVID_TOPFIELDFIRST 0x00000800/**< Unknown |
|
|
* |
|
|
* \deprecated This flag is no longer used. */ |
|
|
#define XVID_ALTERNATESCAN 0x00001000/**< |
|
|
* |
|
|
* \deprecated This flag is no longer used. */ |
|
|
#define XVID_HINTEDME_GET 0x00002000/**< Gets Motion vector data from ME system. |
|
|
* |
|
|
* informs xvid to return Motion Estimation vectors from the ME encoder |
|
|
* algorithm. Used during a first pass. */ |
|
|
#define XVID_HINTEDME_SET 0x00004000/**< Gives Motion vectors hint to ME system. |
|
|
* |
|
|
* informs xvid to use the user given motion estimation vectors as hints |
|
|
* for the encoder ME algorithms. Used during a 2nd pass. */ |
|
|
#define XVID_INTER4V 0x00008000/**< Inter4V mode. |
|
|
* |
|
|
* forces XviD to search a vector for each 8x8 block within the 16x16 Macro |
|
|
* Block. This mode should be used only if the XVID_HALFPEL mode is activated |
|
|
* (this could change in the future). */ |
|
|
#define XVID_ME_ZERO 0x00010000/**< Unused |
|
|
* |
|
|
* Do not use this flag (reserved for future use) */ |
|
|
#define XVID_ME_LOGARITHMIC 0x00020000/**< Unused |
|
|
* |
|
|
* Do not use this flag (reserved for future use) */ |
|
|
#define XVID_ME_FULLSEARCH 0x00040000/**< Unused |
|
|
* |
|
|
* Do not use this flag (reserved for future use) */ |
|
|
#define XVID_ME_PMVFAST 0x00080000/**< Use PMVfast ME algorithm. |
|
|
* |
|
|
* Switches XviD ME algorithm to PMVfast */ |
|
|
#define XVID_ME_EPZS 0x00100000/**< Use EPZS ME algorithm. |
|
|
* |
|
|
* Switches XviD ME algorithm to EPZS */ |
|
|
#define XVID_GREYSCALE 0x01000000/**< Discard chroma data. |
|
|
* |
|
|
* This flags forces XviD to discard chroma data, this is not mpeg4 greyscale |
|
|
* mode, it simply drops chroma MBs using cbp == 0 for these blocks */ |
|
|
#define XVID_GRAYSCALE XVID_GREYSCALE /**< XVID_GREYSCALE alias |
|
|
* |
|
|
* United States locale support. */ |
|
445 |
|
|
446 |
/** @} */ |
int keyframe_boost; /* keyframe boost percentage: [0..100...]; */ |
447 |
|
int payback_method; |
448 |
|
int bitrate_payback_delay; |
449 |
|
int curve_compression_high; |
450 |
|
int curve_compression_low; |
451 |
|
int max_overflow_improvement; |
452 |
|
int max_overflow_degradation; |
453 |
|
|
454 |
/** |
int use_alt_curve; |
455 |
* \defgroup encmotionflags_grp Flags for XVID_ENC_FRAME.motion |
int alt_curve_high_dist; |
456 |
* @{ |
int alt_curve_low_dist; |
457 |
*/ |
int alt_curve_use_auto; |
458 |
|
int alt_curve_auto_str; |
459 |
|
int alt_curve_type; /* XVID_CURVE_ */ |
460 |
|
int alt_curve_min_rel_qual; |
461 |
|
int alt_curve_use_auto_bonus_bias; |
462 |
|
int alt_curve_bonus_bias; |
463 |
|
|
464 |
#define PMV_ADVANCEDDIAMOND8 0x00004000/**< Uses advanced diamonds for 8x8 blocks |
int kftreshold; |
465 |
* |
int kfreduction; |
466 |
* Same as its 16x16 companion option |
int min_key_interval; |
467 |
*/ |
}xvid_plugin_2pass2_t; |
|
#define PMV_ADVANCEDDIAMOND16 0x00008000/**< Uses advanced diamonds for 16x16 blocks |
|
|
* |
|
|
* */ |
|
|
#define PMV_HALFPELDIAMOND16 0x00010000/**< Turns on halfpel precision for 16x16 blocks |
|
|
* |
|
|
* switches the search algorithm from 1 or 2 full pixels precision to 1 or 2 half pixel precision. |
|
|
*/ |
|
|
#define PMV_HALFPELREFINE16 0x00020000/**< Turns on halfpel refinement step |
|
|
* |
|
|
* After normal diamond search, an extra halfpel refinement step is performed. Should always be used if |
|
|
* XVID_HALFPEL is on, because it gives a rather big increase in quality. |
|
|
*/ |
|
|
#define PMV_EXTSEARCH16 0x00040000/**< Extends search for 16x16 blocks |
|
|
* |
|
|
* Normal PMVfast predicts one start vector and does diamond search around this position. EXTSEARCH means that 2 |
|
|
* more start vectors are used: (0,0) and median predictor and diamond search is done for those, too. Makes |
|
|
* search slightly slower, but quality sometimes gets better. |
|
|
*/ |
|
|
#define PMV_EARLYSTOP16 0x00080000/**< Dynamic ME thresholding |
|
|
* |
|
|
* PMVfast and EPZS stop search if current best is below some dynamic threshhold. No diamond search is done, |
|
|
* only halfpel refinement (if active). Without EARLYSTOP diamond search is always done. That would be much slower, |
|
|
* but not really lead to better quality. |
|
|
*/ |
|
|
#define PMV_QUICKSTOP16 0x00100000/**< Dynamic ME thresholding |
|
|
* |
|
|
* like EARLYSTOP, but not even halfpel refinement is done. Normally worse quality, so it defaults to |
|
|
* off. Might be removed, too. |
|
|
*/ |
|
|
#define PMV_UNRESTRICTED16 0x00200000/**< Not implemented |
|
|
* |
|
|
* "unrestricted ME" is a feature of MPEG4. It's not implemented, so this flag is ignored (not even |
|
|
* checked). |
|
|
*/ |
|
|
#define PMV_OVERLAPPING16 0x00400000/**< Not implemented |
|
|
* |
|
|
* Same as above |
|
|
*/ |
|
|
#define PMV_USESQUARES16 0x00800000/**< Use square pattern |
|
|
* |
|
|
* Replace the diamond search with a square search. |
|
|
*/ |
|
|
#define PMV_HALFPELDIAMOND8 0x01000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
|
#define PMV_HALFPELREFINE8 0x02000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
|
#define PMV_EXTSEARCH8 0x04000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
|
#define PMV_EARLYSTOP8 0x08000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
|
#define PMV_QUICKSTOP8 0x10000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
|
#define PMV_UNRESTRICTED8 0x20000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
|
#define PMV_OVERLAPPING8 0x40000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
|
#define PMV_USESQUARES8 0x80000000/**< see 16x16 equivalent |
|
|
* |
|
|
* Same as its 16x16 companion option */ |
|
468 |
|
|
|
/** @} */ |
|
469 |
|
|
470 |
/***************************************************************************** |
/***************************************************************************** |
471 |
* Encoder structures |
* xvid_encore() |
472 |
****************************************************************************/ |
****************************************************************************/ |
473 |
|
|
474 |
/** Structure used for encoder instance creation */ |
/* Encoder options */ |
475 |
typedef struct |
#define XVID_ENC_CREATE 0 /* create encoder instance; returns 0 on success */ |
476 |
{ |
#define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */ |
477 |
int width; /**< [in] |
#define XVID_ENC_ENCODE 2 /* encode a frame: returns number of ouput bytes |
478 |
* |
0 means this frame should not be written (ie. encoder lag) */ |
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* Input frame width. */ |
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int height; /**< [in] |
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* |
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* Input frame height. */ |
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int fincr; /**< [in] |
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* |
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* Time increment (fps = increment/base). */ |
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int fbase; /**< [in] |
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* |
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* Time base (fps = increment/base). */ |
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int rc_bitrate; /**< [in] |
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* |
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* Sets the target bitrate of the encoded stream, in bits/second. **/ |
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int rc_reaction_delay_factor; /**< [in] |
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* |
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* Tunes how fast the rate control reacts - lower values are faster. */ |
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int rc_averaging_period; /**< [in] |
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* |
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* Tunes how fast the rate control reacts - lower values are faster. */ |
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int rc_buffer; /**< [in] |
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* |
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* Tunes how fast the rate control reacts - lower values are faster. */ |
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int max_quantizer; /**< [in] |
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* |
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* Sets the upper limit of the quantizer. */ |
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int min_quantizer; /**< [in] |
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* |
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* Sets the lower limit of the quantizer. */ |
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int max_key_interval; /**< [in] |
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* |
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* Sets the maximum interval between key frames. */ |
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void *handle; /**< [out] |
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* |
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* XviD core lib will set this with the creater encoder instance. */ |
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} |
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XVID_ENC_PARAM; |
|
479 |
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|
480 |
typedef struct |
int xvid_encore(void *handle, int opt, void *param1, void *param2); |
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{ |
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int x; |
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int y; |
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} |
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VECTOR; |
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481 |
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typedef struct |
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{ |
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int mode; /* macroblock mode */ |
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VECTOR mvs[4]; |
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} |
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MVBLOCKHINT; |
|
482 |
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483 |
typedef struct |
/* global flags */ |
484 |
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typedef enum |
485 |
{ |
{ |
486 |
int intra; /* frame intra choice */ |
XVID_GLOBAL_PACKED = 0x00000001, /* packed bitstream */ |
487 |
int fcode; /* frame fcode */ |
XVID_GLOBAL_CLOSED_GOP = 0x00000002, /* closed_gop: was DX50BVOP dx50 bvop compatibility */ |
488 |
MVBLOCKHINT *block; /* caller-allocated array of block hints (mb_width * mb_height) */ |
XVID_GLOBAL_EXTRASTATS_ENABLE = 0x00000004 |
489 |
} |
/*define XVID_GLOBAL_VOL_AT_IVOP 0x00000008 write vol at every ivop: WIN32/divx compatibility */ |
490 |
MVFRAMEHINT; |
/*define XVID_GLOBAL_FORCE_VOL 0x00000008 XXX: when vol-based parameters are changed, insert an ivop NOT recommended */ |
491 |
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} xvid_global_t; |
492 |
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typedef struct |
|
|
{ |
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int rawhints; /* if set, use MVFRAMEHINT, else use compressed buffer */ |
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493 |
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|
494 |
MVFRAMEHINT mvhint; |
/* XVID_ENC_ENCODE param1 */ |
495 |
void *hintstream; /* compressed hint buffer */ |
/* vol-based flags */ |
496 |
int hintlength; /* length of buffer (bytes) */ |
typedef enum { |
497 |
} |
XVID_VOL_MPEGQUANT = 0x00000001, |
498 |
HINTINFO; |
XVID_VOL_EXTRASTATS = 0x00000002, |
499 |
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XVID_VOL_QUARTERPEL = 0x00000004, /* enable quarterpel: frames will encoded as quarterpel */ |
500 |
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XVID_VOL_GMC = 0x00000008, /* enable GMC; frames will be checked for gmc suitability */ |
501 |
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XVID_VOL_REDUCED_ENABLE = 0x00000010, /* enable reduced resolution vops: frames will be checked for rrv suitability */ |
502 |
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XVID_VOL_INTERLACING = 0x00000400, /* enable interlaced encoding */ |
503 |
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} xvid_vol_t; |
504 |
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|
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/** Structure used to pass a frame to the encoder */ |
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typedef struct |
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{ |
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int general; /**< [in] |
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* |
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* Sets general options flag (See \ref encgenflags_grp) */ |
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int motion; /**< [in] |
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* |
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* Sets Motion Estimation options */ |
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void *bitstream; /**< [out] |
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* |
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* Output MPEG4 bitstream buffer pointer */ |
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int length; /**< [out] |
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* |
|
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* Output MPEG4 bitstream length (bytes) */ |
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void *image; /**< [in] |
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* |
|
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* Input frame */ |
|
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int colorspace; /**< [in] |
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* |
|
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* input frame colorspace */ |
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unsigned char *quant_intra_matrix; /**< [in] |
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* |
|
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* Custom intra quantization matrix */ |
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unsigned char *quant_inter_matrix; /**< [in] |
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* |
|
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* Custom inter quantization matrix */ |
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int quant; /**< [in] |
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* |
|
|
* Frame quantizer : |
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* <ul> |
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* <li> 0 (zero) : Then the rate controler chooses the right quantizer |
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* for you. Typically used in ABR encoding, or first pass of a VBR |
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* encoding session. |
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* <li> != 0 : Then you force the encoder to use this specific |
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* quantizer value. It is clamped in the interval |
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* [1..31]. Tipically used during the 2nd pass of a VBR encoding |
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* session. |
|
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* </ul> */ |
|
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int intra; /**< [in/out] |
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* |
|
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* <ul> |
|
|
* <li> [in] : tells XviD if the frame must be encoded as an intra frame |
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* <ul> |
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* <li> 1: forces the encoder to create a keyframe. Mainly used during |
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|
* a VBR 2nd pass. |
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* <li> 0: forces the encoder not to create a keyframe. Minaly used |
|
|
* during a VBR second pass |
|
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* <li> -1: let the encoder decide (based on contents and |
|
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* max_key_interval). Mainly used in ABR mode and during a 1st |
|
|
* VBR pass. |
|
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* </ul> |
|
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* <li> [out] : When first set to -1, the encoder returns the effective keyframe state |
|
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* of the frame. |
|
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* </ul> |
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*/ |
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HINTINFO hint; /**< [in/out] |
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* |
|
|
* mv hint information */ |
|
505 |
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|
506 |
} |
/* vop-based flags */ |
507 |
XVID_ENC_FRAME; |
typedef enum { |
508 |
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XVID_VOP_DEBUG = 0x00000001, |
509 |
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510 |
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XVID_VOP_HALFPEL = 0x00000004, /* use halfpel interpolation */ |
511 |
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XVID_VOP_INTER4V = 0x00000008, |
512 |
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|
513 |
/** Encoding statistics */ |
XVID_VOP_TRELLISQUANT = 0x00000010, /* use trellis based R-D "optimal" quantization */ |
514 |
typedef struct |
|
515 |
{ |
XVID_VOP_CHROMAOPT = 0x00000020, /* enable chroma optimization pre-filter */ |
516 |
int quant; /**< [out] |
XVID_VOP_GREYSCALE = 0x00000040, /* enable greyscale only mode (even for |
517 |
* |
color input material chroma is ignored) */ |
518 |
* Frame quantizer used during encoding */ |
XVID_VOP_HQACPRED = 0x00000080, /* 20030209: high quality ac prediction */ |
519 |
int hlength; /**< [out] |
XVID_VOP_MODEDECISION_BITS = 0x00000100, /* enable DCT-ME and use it for mode decision */ |
520 |
* |
XVID_VOP_DYNAMIC_BFRAMES = 0x00000200, |
521 |
* Header bytes in the resulting MPEG4 stream */ |
|
522 |
int kblks; /**< [out] |
/* only valid for vol_flags|=XVID_VOL_INTERLACING */ |
523 |
* |
XVID_VOP_TOPFIELDFIRST = 0x00000400, /* set top-field-first flag */ |
524 |
* Number of intra macro blocks */ |
XVID_VOP_ALTERNATESCAN = 0x00000800, /* set alternate vertical scan flag */ |
525 |
int mblks; /**< [out] |
|
526 |
* |
/* only valid for vol_flags|=XVID_VOL_REDUCED_ENABLED */ |
527 |
* Number of inter macro blocks */ |
XVID_VOP_REDUCED = 0x00001000, /* reduced resolution vop */ |
528 |
int ublks; /**< [out] |
} xvid_vop_t; |
529 |
* |
|
530 |
* Number of skipped macro blocks */ |
|
531 |
|
typedef enum { |
532 |
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XVID_ME_ADVANCEDDIAMOND16 = 0x00008000, /* use advdiamonds instead of diamonds as search pattern */ |
533 |
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XVID_ME_USESQUARES16 = 0x00800000, /* use squares instead of diamonds as search pattern */ |
534 |
|
|
535 |
|
XVID_ME_HALFPELREFINE16 = 0x00020000, |
536 |
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XVID_ME_HALFPELREFINE8 = 0x02000000, |
537 |
|
|
538 |
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XVID_ME_QUARTERPELREFINE16 = 0x00040000, |
539 |
|
XVID_ME_QUARTERPELREFINE8 = 0x04000000, |
540 |
|
|
541 |
|
XVID_ME_EXTSEARCH16 = 0x00080000, /* extend PMV by more searches */ |
542 |
|
|
543 |
|
XVID_ME_EXTSEARCH8 = 0x08000000, /* use diamond/square for extended 8x8 search */ |
544 |
|
XVID_ME_ADVANCEDDIAMOND8 = 0x00004000, /* use advdiamond for XVID_ME_EXTSEARCH8 */ |
545 |
|
XVID_ME_USESQUARES8 = 0x80000000, /* use square for XVID_ME_EXTSEARCH8 */ |
546 |
|
|
547 |
|
XVID_ME_CHROMA16 = 0x00100000, /* also use chroma for P_VOP/S_VOP ME */ |
548 |
|
XVID_ME_CHROMA8 = 0x10000000, /* also use chroma for B_VOP ME */ |
549 |
|
|
550 |
|
/* Motion search using DCT. use XVID_VOP_MODEDECISION_BITS to enable */ |
551 |
|
XVID_ME_HALFPELREFINE16_BITS = 0x00000100, /* perform DCT-based halfpel refinement */ |
552 |
|
XVID_ME_HALFPELREFINE8_BITS = 0x00000200, /* perform DCT-based halfpel refinement for 8x8 mode */ |
553 |
|
XVID_ME_QUARTERPELREFINE16_BITS = 0x00000400, /* perform DCT-based qpel refinement */ |
554 |
|
XVID_ME_QUARTERPELREFINE8_BITS = 0x00000800, /* perform DCT-based qpel refinement for 8x8 mode */ |
555 |
|
|
556 |
|
XVID_ME_EXTSEARCH_BITS = 0x00001000, /* perform DCT-based search using square pattern |
557 |
|
enable XVID_ME_EXTSEARCH8 to do this in 8x8 search as well */ |
558 |
|
XVID_ME_CHECKPREDICTION_BITS = 0x00002000, /* always check vector equal to prediction */ |
559 |
|
|
560 |
|
XVID_ME_UNRESTRICTED16 = 0x00200000, /* unrestricted ME, not implemented */ |
561 |
|
XVID_ME_OVERLAPPING16 = 0x00400000, /* overlapping ME, not implemented */ |
562 |
|
XVID_ME_UNRESTRICTED8 = 0x20000000, /* unrestricted ME, not implemented */ |
563 |
|
XVID_ME_OVERLAPPING8 = 0x40000000 /* overlapping ME, not implemented */ |
564 |
|
} xvid_motion_t; |
565 |
|
|
566 |
|
|
567 |
|
/* XVID_ENC_CREATE param1 */ |
568 |
|
typedef struct { |
569 |
|
int version; |
570 |
|
|
571 |
|
int profile; /* [in] profile@level; refer to XVID_PROFILE_xxx */ |
572 |
|
int width; /* [in] frame dimensions; width, pixel units */ |
573 |
|
int height; /* [in] frame dimensions; height, pixel units */ |
574 |
|
|
575 |
|
int num_zones; /* [in:opt] number of bitrate zones */ |
576 |
|
xvid_enc_zone_t * zones; /* ^^ zone array */ |
577 |
|
|
578 |
|
int num_plugins; /* [in:opt] number of plugins */ |
579 |
|
xvid_enc_plugin_t * plugins; /* ^^ plugin array */ |
580 |
|
|
581 |
|
int num_threads; /* [in:opt] number of threads */ |
582 |
|
int max_bframes; /* [in:opt] max sequential bframes (0=disable bframes) */ |
583 |
|
|
584 |
|
xvid_global_t global; /* [in:opt] global flags; controls encoding behavior */ |
585 |
|
|
586 |
|
/* --- vol-based stuff; included here for conveinience */ |
587 |
|
int fincr; /* [in:opt] framerate increment; set to zero for variable framerate */ |
588 |
|
int fbase; /* [in] framerate base |
589 |
|
frame_duration = fincr/fbase seconds*/ |
590 |
|
/* ^^^---------------------------------------------- */ |
591 |
|
|
592 |
|
|
593 |
|
/* ---vop-based; included here for conveienience */ |
594 |
|
int max_key_interval; /* [in:opt] the maximum interval between key frames */ |
595 |
|
/*XXX: maybe call it gop_size? */ |
596 |
|
|
597 |
|
int frame_drop_ratio; /* [in:opt] frame dropping: 0=drop none... 100=drop all */ |
598 |
|
|
599 |
|
int bquant_ratio; /* [in:opt] bframe quantizer multipier/offeset; used to decide bframes quant when bquant==-1 */ |
600 |
|
int bquant_offset; /* bquant = (avg(past_ref_quant,future_ref_quant)*bquant_ratio + bquant_offset) / 100 */ |
601 |
|
|
602 |
|
int min_quant[3]; /* [in:opt] */ |
603 |
|
int max_quant[3]; /* [in:opt] */ |
604 |
|
|
605 |
|
/* ^^^ -------------------------------------------------------------------------*/ |
606 |
|
|
607 |
|
void *handle; /* [out] encoder instance handle */ |
608 |
} |
} |
609 |
XVID_ENC_STATS; |
xvid_enc_create_t; |
610 |
|
|
611 |
|
|
612 |
/***************************************************************************** |
#define XVID_KEYFRAME 0x00000001 |
|
* Encoder entry point |
|
|
****************************************************************************/ |
|
613 |
|
|
614 |
/** |
typedef struct { |
615 |
* \defgroup encops_grp Encoder operations |
int version; |
|
* |
|
|
* These are all the operations XviD's encoder can perform. |
|
|
* |
|
|
* @{ |
|
|
*/ |
|
616 |
|
|
617 |
#define XVID_ENC_ENCODE 0 /**< Encodes a frame |
/* --- VOL related stuff; unless XVID_FORCEVOL is set, the encoder will not react to any |
618 |
* |
changes here until the next VOL (keyframe). */ |
619 |
* This operation constant is used when client application wants to encode a |
xvid_vol_t vol_flags; /* [in] vol flags */ |
620 |
* frame. Client application must also fill XVID_ENC_FRAME appropriately. |
unsigned char * |
621 |
*/ |
quant_intra_matrix; /* [in:opt] custom intra qmatrix */ |
622 |
|
unsigned char * |
623 |
|
quant_inter_matrix; /* [in:opt] custom inter qmatrix */ |
624 |
|
|
625 |
#define XVID_ENC_CREATE 1 /**< Creates a decoder instance |
int par; /* [in:opt] picture aspect ratio (refer to XVID_PAR_xxx above) */ |
626 |
* |
int par_width; /* [in:opt] aspect ratio width */ |
627 |
* This operation constant is used by a client application in order to create |
int par_height; /* [in:opt] aspect ratio height */ |
628 |
* an encoder instance. Encoder instances are independant from each other. |
/* ^^^----------------------------------------------------------------------------------*/ |
|
*/ |
|
629 |
|
|
630 |
#define XVID_ENC_DESTROY 2 /**< Destroys a encoder instance |
int fincr; /* framerate increment, for variable framerate only */ |
631 |
* |
xvid_vop_t vop_flags; /* [in] (general)vop-based flags */ |
632 |
* This operation constant is used by the client application to destroy a |
xvid_motion_t motion; /* [in] ME options */ |
|
* previously created encoder instance. |
|
|
*/ |
|
633 |
|
|
634 |
|
xvid_image_t input; /* [in] input image (read from) */ |
635 |
|
|
636 |
/** @} */ |
int type; /* [in:opt] coding type */ |
637 |
|
int quant; /* [in] frame quantizer; if <=0, automatatic (ratecontrol) */ |
638 |
|
int bframe_threshold; |
639 |
|
|
640 |
/** |
void *bitstream; /* [in:opt] bitstream ptr (written to)*/ |
641 |
* \defgroup encentry_grp Encoder entry point |
int length; /* [in:opt] bitstream length (bytes) */ |
|
* |
|
|
* @{ |
|
|
*/ |
|
642 |
|
|
643 |
/** |
int out_flags; /* [out] bitstream output flags */ |
644 |
* \brief Encoder entry point. |
} |
645 |
* |
xvid_enc_frame_t; |
646 |
* This is the XviD's encoder entry point. The possible operations are |
|
647 |
* described in the \ref encops_grp section. |
|
648 |
* |
/* XVID_ENC_ENCODE param2 (optional) |
649 |
* \param handle Encoder instance handle |
xvid_enc_stats_t describes individual frame details |
650 |
* \param opt Encoder option constant |
|
651 |
* \param param1 Used to pass XVID_ENC_PARAM or XVID_ENC_FRAME structures. |
coding_type==XVID_TYPE_NOTHING if the stats are not given |
|
* \param param2 Optionally used to pass the XVID_ENC_STATS structure. |
|
652 |
*/ |
*/ |
653 |
int xvid_encore(void *handle, |
typedef struct { |
654 |
int opt, |
int version; |
655 |
void *param1, |
|
656 |
void *param2); |
/* encoding parameters */ |
657 |
|
int type; /* [out] coding type */ |
658 |
|
int quant; /* [out] frame quantizer */ |
659 |
|
xvid_vol_t vol_flags; /* [out] vol flags (see above) */ |
660 |
|
int vop_flags; /* [out] vop flags (see above) */ |
661 |
|
/* bitrate */ |
662 |
|
int length; /* [out] frame length */ |
663 |
|
|
664 |
/** @} */ |
int hlength; /* [out] header length (bytes) */ |
665 |
|
int kblks, mblks, ublks; /* [out] */ |
666 |
|
|
667 |
/** @} */ |
int sse_y, sse_u, sse_v; |
668 |
|
} |
669 |
|
xvid_enc_stats_t; |
670 |
|
|
671 |
#ifdef __cplusplus |
#ifdef __cplusplus |
672 |
} |
} |
673 |
#endif |
#endif |
674 |
|
|
675 |
|
|
676 |
#endif |
#endif |