1 /*****************************************************************************
2 * api.c: bit depth independent interface
3 *****************************************************************************
4 * Copyright (C) 2003-2021 x264 project
5 *
6 * Authors: Vittorio Giovara <vittorio.giovara@gmail.com>
7 * Luca Barbato <lu_zero@gentoo.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program 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
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 *
23 * This program is also available under a commercial proprietary license.
24 * For more information, contact us at licensing@x264.com.
25 *****************************************************************************/
26
27 #include "common/base.h"
28
29 /****************************************************************************
30 * global symbols
31 ****************************************************************************/
32 const int x264_chroma_format = X264_CHROMA_FORMAT;
33
34 x264_t *x264_8_encoder_open( x264_param_t *, void * );
35 void x264_8_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal );
36 int x264_8_encoder_reconfig( x264_t *, x264_param_t * );
37 void x264_8_encoder_parameters( x264_t *, x264_param_t * );
38 int x264_8_encoder_headers( x264_t *, x264_nal_t **pp_nal, int *pi_nal );
39 int x264_8_encoder_encode( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out );
40 void x264_8_encoder_close( x264_t * );
41 int x264_8_encoder_delayed_frames( x264_t * );
42 int x264_8_encoder_maximum_delayed_frames( x264_t * );
43 void x264_8_encoder_intra_refresh( x264_t * );
44 int x264_8_encoder_invalidate_reference( x264_t *, int64_t pts );
45
46 x264_t *x264_10_encoder_open( x264_param_t *, void * );
47 void x264_10_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal );
48 int x264_10_encoder_reconfig( x264_t *, x264_param_t * );
49 void x264_10_encoder_parameters( x264_t *, x264_param_t * );
50 int x264_10_encoder_headers( x264_t *, x264_nal_t **pp_nal, int *pi_nal );
51 int x264_10_encoder_encode( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out );
52 void x264_10_encoder_close( x264_t * );
53 int x264_10_encoder_delayed_frames( x264_t * );
54 int x264_10_encoder_maximum_delayed_frames( x264_t * );
55 void x264_10_encoder_intra_refresh( x264_t * );
56 int x264_10_encoder_invalidate_reference( x264_t *, int64_t pts );
57
58 typedef struct x264_api_t
59 {
60 /* Internal reference to x264_t data */
61 x264_t *x264;
62
63 /* API entry points */
64 void (*nal_encode)( x264_t *h, uint8_t *dst, x264_nal_t *nal );
65 int (*encoder_reconfig)( x264_t *, x264_param_t * );
66 void (*encoder_parameters)( x264_t *, x264_param_t * );
67 int (*encoder_headers)( x264_t *, x264_nal_t **pp_nal, int *pi_nal );
68 int (*encoder_encode)( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out );
69 void (*encoder_close)( x264_t * );
70 int (*encoder_delayed_frames)( x264_t * );
71 int (*encoder_maximum_delayed_frames)( x264_t * );
72 void (*encoder_intra_refresh)( x264_t * );
73 int (*encoder_invalidate_reference)( x264_t *, int64_t pts );
74 } x264_api_t;
75
x264_encoder_open(x264_param_t * param)76 REALIGN_STACK x264_t *x264_encoder_open( x264_param_t *param )
77 {
78 x264_api_t *api = calloc( 1, sizeof( x264_api_t ) );
79 if( !api )
80 return NULL;
81
82 if( HAVE_BITDEPTH8 && param->i_bitdepth == 8 )
83 {
84 api->nal_encode = x264_8_nal_encode;
85 api->encoder_reconfig = x264_8_encoder_reconfig;
86 api->encoder_parameters = x264_8_encoder_parameters;
87 api->encoder_headers = x264_8_encoder_headers;
88 api->encoder_encode = x264_8_encoder_encode;
89 api->encoder_close = x264_8_encoder_close;
90 api->encoder_delayed_frames = x264_8_encoder_delayed_frames;
91 api->encoder_maximum_delayed_frames = x264_8_encoder_maximum_delayed_frames;
92 api->encoder_intra_refresh = x264_8_encoder_intra_refresh;
93 api->encoder_invalidate_reference = x264_8_encoder_invalidate_reference;
94
95 api->x264 = x264_8_encoder_open( param, api );
96 }
97 else if( HAVE_BITDEPTH10 && param->i_bitdepth == 10 )
98 {
99 api->nal_encode = x264_10_nal_encode;
100 api->encoder_reconfig = x264_10_encoder_reconfig;
101 api->encoder_parameters = x264_10_encoder_parameters;
102 api->encoder_headers = x264_10_encoder_headers;
103 api->encoder_encode = x264_10_encoder_encode;
104 api->encoder_close = x264_10_encoder_close;
105 api->encoder_delayed_frames = x264_10_encoder_delayed_frames;
106 api->encoder_maximum_delayed_frames = x264_10_encoder_maximum_delayed_frames;
107 api->encoder_intra_refresh = x264_10_encoder_intra_refresh;
108 api->encoder_invalidate_reference = x264_10_encoder_invalidate_reference;
109
110 api->x264 = x264_10_encoder_open( param, api );
111 }
112 else
113 x264_log_internal( X264_LOG_ERROR, "not compiled with %d bit depth support\n", param->i_bitdepth );
114
115 if( !api->x264 )
116 {
117 free( api );
118 return NULL;
119 }
120
121 /* x264_t is opaque */
122 return (x264_t *)api;
123 }
124
x264_encoder_close(x264_t * h)125 REALIGN_STACK void x264_encoder_close( x264_t *h )
126 {
127 x264_api_t *api = (x264_api_t *)h;
128
129 api->encoder_close( api->x264 );
130 free( api );
131 }
132
x264_nal_encode(x264_t * h,uint8_t * dst,x264_nal_t * nal)133 REALIGN_STACK void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal )
134 {
135 x264_api_t *api = (x264_api_t *)h;
136
137 api->nal_encode( api->x264, dst, nal );
138 }
139
x264_encoder_reconfig(x264_t * h,x264_param_t * param)140 REALIGN_STACK int x264_encoder_reconfig( x264_t *h, x264_param_t *param)
141 {
142 x264_api_t *api = (x264_api_t *)h;
143
144 return api->encoder_reconfig( api->x264, param );
145 }
146
x264_encoder_parameters(x264_t * h,x264_param_t * param)147 REALIGN_STACK void x264_encoder_parameters( x264_t *h, x264_param_t *param )
148 {
149 x264_api_t *api = (x264_api_t *)h;
150
151 api->encoder_parameters( api->x264, param );
152 }
153
x264_encoder_headers(x264_t * h,x264_nal_t ** pp_nal,int * pi_nal)154 REALIGN_STACK int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
155 {
156 x264_api_t *api = (x264_api_t *)h;
157
158 return api->encoder_headers( api->x264, pp_nal, pi_nal );
159 }
160
x264_encoder_encode(x264_t * h,x264_nal_t ** pp_nal,int * pi_nal,x264_picture_t * pic_in,x264_picture_t * pic_out)161 REALIGN_STACK int x264_encoder_encode( x264_t *h, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out )
162 {
163 x264_api_t *api = (x264_api_t *)h;
164
165 return api->encoder_encode( api->x264, pp_nal, pi_nal, pic_in, pic_out );
166 }
167
x264_encoder_delayed_frames(x264_t * h)168 REALIGN_STACK int x264_encoder_delayed_frames( x264_t *h )
169 {
170 x264_api_t *api = (x264_api_t *)h;
171
172 return api->encoder_delayed_frames( api->x264 );
173 }
174
x264_encoder_maximum_delayed_frames(x264_t * h)175 REALIGN_STACK int x264_encoder_maximum_delayed_frames( x264_t *h )
176 {
177 x264_api_t *api = (x264_api_t *)h;
178
179 return api->encoder_maximum_delayed_frames( api->x264 );
180 }
181
x264_encoder_intra_refresh(x264_t * h)182 REALIGN_STACK void x264_encoder_intra_refresh( x264_t *h )
183 {
184 x264_api_t *api = (x264_api_t *)h;
185
186 api->encoder_intra_refresh( api->x264 );
187 }
188
x264_encoder_invalidate_reference(x264_t * h,int64_t pts)189 REALIGN_STACK int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
190 {
191 x264_api_t *api = (x264_api_t *)h;
192
193 return api->encoder_invalidate_reference( api->x264, pts );
194 }
195