1 /*****************************************************************************
2 * vout_internal.h : Internal vout definitions
3 *****************************************************************************
4 * Copyright (C) 2008 the VideoLAN team
5 * Copyright (C) 2008 Laurent Aimar
8 * Authors: Laurent Aimar < fenrir _AT_ videolan _DOT_ org >
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
26 #if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
27 # error This header file can only be included from LibVLC.
30 #ifndef _VOUT_INTERNAL_H
31 #define _VOUT_INTERNAL_H 1
33 #include "vout_control.h"
35 #include "statistic.h"
37 /* Number of pictures required to computes the FPS rate */
38 #define VOUT_FPS_SAMPLES 20
41 typedef struct vout_sys_t vout_sys_t;
44 * Video picture heap, either render (to store pictures used
45 * by the decoder) or output (to store pictures displayed by the vout plugin)
49 int i_pictures; /**< current heap size */
52 picture_t* pp_picture[VOUT_MAX_PICTURES]; /**< pictures */
53 int i_last_used_pic; /**< last used pic in heap */
57 struct vout_thread_sys_t
60 char *psz_module_name;
62 /* Video output configuration */
63 config_chain_t *p_cfg;
65 /* Place holder for the vout_wrapper code */
68 /* Thread & synchronization */
70 vlc_cond_t change_wait;
76 bool b_picture_displayed;
78 mtime_t i_picture_displayed_date;
79 picture_t *p_picture_displayed;
81 bool b_picture_interlaced;
82 vlc_cond_t picture_wait;
85 vlc_mutex_t vfilter_lock; /**< video filter2 lock */
88 uint32_t render_time; /**< last picture render time */
89 unsigned int i_par_num; /**< monitor pixel aspect-ratio */
90 unsigned int i_par_den; /**< monitor pixel aspect-ratio */
93 * These numbers are not supposed to be accurate, but are a
94 * good indication of the thread status */
95 count_t c_fps_samples; /**< picture counts */
96 mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /**< FPS samples dates */
99 vout_statistic_t statistic;
103 mtime_t i_pause_date;
106 bool b_first_vout; /* True if it is the first vout of the filter chain */
107 char *psz_filter_chain;
108 bool b_filter_change;
110 /* Video filter2 chain */
111 filter_chain_t *p_vf2_chain;
114 /* Snapshot interface */
115 vout_snapshot_t snapshot;
117 /* Show media title on videoutput */
119 mtime_t i_title_timeout;
120 int i_title_position;
124 /* Subpicture unit */
131 vlc_mutex_t picture_lock; /**< picture heap lock */
132 vlc_mutex_t change_lock; /**< thread change lock */
134 uint16_t i_changes; /**< changes made to the thread.
135 \see \ref vout_changes */
136 unsigned b_fullscreen:1; /**< toogle fullscreen display */
137 unsigned b_on_top:1; /**< stay always on top of other windows */
139 picture_heap_t render; /**< rendered pictures */
140 picture_heap_t output; /**< direct buffers */
142 picture_t p_picture[2*VOUT_MAX_PICTURES+1]; /**< pictures */
145 #define I_OUTPUTPICTURES p_vout->p->output.i_pictures
146 #define PP_OUTPUTPICTURE p_vout->p->output.pp_picture
147 #define I_RENDERPICTURES p_vout->p->render.i_pictures
148 #define PP_RENDERPICTURE p_vout->p->render.pp_picture
150 /** \defgroup vout_changes Flags for changes
151 * These flags are set in the vout_thread_t::i_changes field when another
152 * thread changed a variable
155 /** b_autoscale changed */
156 #define VOUT_SCALE_CHANGE 0x0008
157 /** b_on_top changed */
158 #define VOUT_ON_TOP_CHANGE 0x0010
159 /** b_fullscreen changed */
160 #define VOUT_FULLSCREEN_CHANGE 0x0040
161 /** i_zoom changed */
162 #define VOUT_ZOOM_CHANGE 0x0080
163 /** cropping parameters changed */
164 #define VOUT_CROP_CHANGE 0x1000
165 /** aspect ratio changed */
166 #define VOUT_ASPECT_CHANGE 0x2000
167 /** change/recreate picture buffers */
168 #define VOUT_PICTURE_BUFFERS_CHANGE 0x4000
173 int vout_AllocatePicture( vlc_object_t *, picture_t *, uint32_t i_chroma, int i_width, int i_height, int i_sar_num, int i_sar_den );
174 #define vout_AllocatePicture(a,b,c,d,e,f,g) \
175 vout_AllocatePicture(VLC_OBJECT(a),b,c,d,e,f,g)
177 /* DO NOT use vout_RenderPicture/vout_IntfInit unless you are in src/video_ouput */
178 picture_t *vout_RenderPicture( vout_thread_t *, picture_t *,
180 mtime_t render_date );
181 void vout_IntfInit( vout_thread_t * );
183 /* DO NOT use vout_UsePictureLocked unless you are in src/video_ouput
185 * This function supposes that you call it with picture_lock taken.
187 void vout_UsePictureLocked( vout_thread_t *p_vout, picture_t *p_pic );
190 int vout_OpenWrapper (vout_thread_t *, const char *);
191 void vout_CloseWrapper(vout_thread_t *);
192 int vout_InitWrapper(vout_thread_t *);
193 void vout_EndWrapper(vout_thread_t *);
194 int vout_ManageWrapper(vout_thread_t *);
195 void vout_RenderWrapper(vout_thread_t *, picture_t *);
196 void vout_DisplayWrapper(vout_thread_t *, picture_t *);