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vf.h
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1 /*
2  * This file is part of MPlayer.
3  *
4  * MPlayer is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * MPlayer is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef MPLAYER_VF_H
20 #define MPLAYER_VF_H
21 
22 //#include "m_option.h"
23 #include "mp_image.h"
24 
25 //extern m_obj_settings_t* vf_settings;
26 //extern const m_obj_list_t vf_obj_list;
27 
28 struct vf_instance;
29 struct vf_priv_s;
30 
31 typedef struct vf_info_s {
32  const char *info;
33  const char *name;
34  const char *author;
35  const char *comment;
36  int (*vf_open)(struct vf_instance *vf,char* args);
37  // Ptr to a struct dscribing the options
38  const void* opts;
39 } vf_info_t;
40 
41 #define NUM_NUMBERED_MPI 50
42 
43 typedef struct vf_image_context_s {
44  mp_image_t* static_images[2];
45  mp_image_t* temp_images[1];
46  mp_image_t* export_images[1];
47  mp_image_t* numbered_images[NUM_NUMBERED_MPI];
50 
51 typedef struct vf_format_context_t {
55 
56 typedef struct vf_instance {
57  const vf_info_t* info;
58  // funcs:
59  int (*config)(struct vf_instance *vf,
60  int width, int height, int d_width, int d_height,
61  unsigned int flags, unsigned int outfmt);
62  int (*control)(struct vf_instance *vf,
63  int request, void* data);
64  int (*query_format)(struct vf_instance *vf,
65  unsigned int fmt);
66  void (*get_image)(struct vf_instance *vf,
67  mp_image_t *mpi);
68  int (*put_image)(struct vf_instance *vf,
69  mp_image_t *mpi, double pts);
70  void (*start_slice)(struct vf_instance *vf,
71  mp_image_t *mpi);
72  void (*draw_slice)(struct vf_instance *vf,
73  unsigned char** src, int* stride, int w,int h, int x, int y);
74  void (*uninit)(struct vf_instance *vf);
75 
76  int (*continue_buffered_image)(struct vf_instance *vf);
77  // caps:
78  unsigned int default_caps; // used by default query_format()
79  unsigned int default_reqs; // used by default config()
80  // data:
81  int w, h;
84  struct vf_instance *next;
86  struct vf_priv_s* priv;
88 
89 // control codes:
90 #include "mpc_info.h"
91 
92 typedef struct vf_seteq_s
93 {
94  const char *item;
95  int value;
97 
98 #define VFCTRL_QUERY_MAX_PP_LEVEL 4 /* test for postprocessing support (max level) */
99 #define VFCTRL_SET_PP_LEVEL 5 /* set postprocessing level */
100 #define VFCTRL_SET_EQUALIZER 6 /* set color options (brightness,contrast etc) */
101 #define VFCTRL_GET_EQUALIZER 8 /* gset color options (brightness,contrast etc) */
102 #define VFCTRL_DRAW_OSD 7
103 #define VFCTRL_CHANGE_RECTANGLE 9 /* Change the rectangle boundaries */
104 #define VFCTRL_FLIP_PAGE 10 /* Tell the vo to flip pages */
105 #define VFCTRL_DUPLICATE_FRAME 11 /* For encoding - encode zero-change frame */
106 #define VFCTRL_SKIP_NEXT_FRAME 12 /* For encoding - drop the next frame that passes thru */
107 #define VFCTRL_FLUSH_FRAMES 13 /* For encoding - flush delayed frames */
108 #define VFCTRL_SCREENSHOT 14 /* Make a screenshot */
109 #define VFCTRL_INIT_EOSD 15 /* Select EOSD renderer */
110 #define VFCTRL_DRAW_EOSD 16 /* Render EOSD */
111 #define VFCTRL_GET_PTS 17 /* Return last pts value that reached vf_vo*/
112 #define VFCTRL_SET_DEINTERLACE 18 /* Set deinterlacing status */
113 #define VFCTRL_GET_DEINTERLACE 19 /* Get deinterlacing status */
114 
115 #include "vfcap.h"
116 
117 //FIXME this should be in a common header, but i dunno which
118 #define MP_NOPTS_VALUE (-1LL<<63) //both int64_t and double should be able to represent this exactly
119 
120 
121 // functions:
122 void ff_vf_mpi_clear(mp_image_t* mpi,int x0,int y0,int w,int h);
123 mp_image_t* ff_vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h);
124 
125 vf_instance_t* vf_open_plugin(const vf_info_t* const* filter_list, vf_instance_t* next, const char *name, char **args);
126 vf_instance_t* vf_open_filter(vf_instance_t* next, const char *name, char **args);
127 vf_instance_t* ff_vf_add_before_vo(vf_instance_t **vf, char *name, char **args);
128 vf_instance_t* vf_open_encoder(vf_instance_t* next, const char *name, char *args);
129 
130 unsigned int ff_vf_match_csp(vf_instance_t** vfp,const unsigned int* list,unsigned int preferred);
132 void ff_vf_queue_frame(vf_instance_t *vf, int (*)(vf_instance_t *));
134 
135 // default wrappers:
136 int ff_vf_next_config(struct vf_instance *vf,
137  int width, int height, int d_width, int d_height,
138  unsigned int flags, unsigned int outfmt);
139 int ff_vf_next_control(struct vf_instance *vf, int request, void* data);
140 void ff_vf_extra_flip(struct vf_instance *vf);
141 int ff_vf_next_query_format(struct vf_instance *vf, unsigned int fmt);
142 int ff_vf_next_put_image(struct vf_instance *vf,mp_image_t *mpi, double pts);
143 void ff_vf_next_draw_slice (struct vf_instance *vf, unsigned char** src, int* stride, int w,int h, int x, int y);
144 
146 
149 
150 int ff_vf_config_wrapper(struct vf_instance *vf,
151  int width, int height, int d_width, int d_height,
152  unsigned int flags, unsigned int outfmt);
153 
154 static inline int norm_qscale(int qscale, int type)
155 {
156  switch (type) {
157  case 0: // MPEG-1
158  return qscale;
159  case 1: // MPEG-2
160  return qscale >> 1;
161  case 2: // H264
162  return qscale >> 2;
163  case 3: // VP56
164  return (63 - qscale + 2) >> 2;
165  }
166  return qscale;
167 }
168 
169 #endif /* MPLAYER_VF_H */