vlc_messages.h 5.79 KB
Newer Older
1
2
3
4
5
/*****************************************************************************
 * messages.h: messages interface
 * This library provides basic functions for threads to interact with user
 * interface, such as message output.
 *****************************************************************************
6
 * Copyright (C) 1999, 2000, 2001, 2002 the VideoLAN team
7
 * $Id$
8
9
10
11
12
13
14
15
 *
 * Authors: Vincent Seguin <seguin@via.ecp.fr>
 *          Samuel Hocevar <sam@zoy.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
16
 *
17
18
19
20
21
22
23
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
dionoea's avatar
dionoea committed
24
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25
26
 *****************************************************************************/

27
28
#ifndef VLC_MESSAGES_H_
#define VLC_MESSAGES_H_
zorglub's avatar
zorglub committed
29

30
31
32
33
34
/**
 * \file
 * This file defines structures and functions to handle messages and statistics gathering
 */

35
#include <stdarg.h>
zorglub's avatar
zorglub committed
36

sigmunau's avatar
all:    
sigmunau committed
37
38
39
40
41
42
43
/**
 * \defgroup messages Messages
 * This library provides basic functions for threads to interact with user
 * interface, such as message output.
 *
 * @{
 */
44

45
46
47
48
49
50
51
52
53
/** Message types */
enum msg_item_type
{
    VLC_MSG_INFO=0, /**< Important information */
    VLC_MSG_ERR,    /**< Error */
    VLC_MSG_WARN,   /**< Warning */
    VLC_MSG_DBG,    /**< Debug */
};

sigmunau's avatar
all:    
sigmunau committed
54
/**
55
 * Log message
sigmunau's avatar
all:    
sigmunau committed
56
 */
57
58
typedef struct
{
59
60
61
62
63
64
    unsigned    i_type;  /**< Message type, see @ref msg_item_type */
    uintptr_t   i_object_id; /**< Emitter (temporaly) unique object ID or 0 */
    const char *psz_object_type; /**< Emitter object type name */
    const char *psz_module; /**< Emitter module (source code) */
    const char *psz_header; /**< Additional header (used by VLM media) */
    char       *psz_msg; /**< Message text */
65
66
} msg_item_t;

sigmunau's avatar
all:    
sigmunau committed
67
/**
68
 * Used by interface plugins which subscribe to the message bank.
sigmunau's avatar
all:    
sigmunau committed
69
 */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
70
typedef struct msg_subscription_t msg_subscription_t;
71
72
73
74

/*****************************************************************************
 * Prototypes
 *****************************************************************************/
75
76
77
78
79
VLC_API void vlc_Log(vlc_object_t *, int,
                     const char *, const char *, ...) VLC_FORMAT( 4, 5 );
VLC_API void vlc_vaLog(vlc_object_t *, int,
                       const char *, const char *, va_list);
#define msg_GenericVa(a, b, c, d, e) vlc_vaLog(VLC_OBJECT(a), b, c, d, e)
80

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
81
#define msg_Info( p_this, ... ) \
82
    vlc_Log( VLC_OBJECT(p_this), VLC_MSG_INFO, MODULE_STRING, __VA_ARGS__ )
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
83
#define msg_Err( p_this, ... ) \
84
    vlc_Log( VLC_OBJECT(p_this), VLC_MSG_ERR,  MODULE_STRING, __VA_ARGS__ )
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
85
#define msg_Warn( p_this, ... ) \
86
    vlc_Log( VLC_OBJECT(p_this), VLC_MSG_WARN, MODULE_STRING, __VA_ARGS__ )
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
87
#define msg_Dbg( p_this, ... ) \
88
    vlc_Log( VLC_OBJECT(p_this), VLC_MSG_DBG,  MODULE_STRING, __VA_ARGS__ )
89

90
91
92
93
/**
 * Message logging callback signature.
 * Accepts one private data pointer, the message, and an overrun counter.
 */
94
typedef void (*msg_callback_t) (void *, const msg_item_t *);
95

96
VLC_API msg_subscription_t *vlc_Subscribe(msg_callback_t, void *) VLC_USED;
97
VLC_API void vlc_Unsubscribe(msg_subscription_t *);
98

sigmunau's avatar
all:    
sigmunau committed
99
100
101
/**
 * @}
 */
102
103
104
105
106
107
108

/**
 * \defgroup statistics Statistics
 *
 * @{
 */

zorglub's avatar
zorglub committed
109
110
111
/****************************
 * Generic stats stuff
 ****************************/
112
113
114
115
116
117
enum
{
    STATS_LAST,
    STATS_COUNTER,
    STATS_MAX,
    STATS_MIN,
zorglub's avatar
zorglub committed
118
119
    STATS_DERIVATIVE,
    STATS_TIMER
120
121
122
123
124
125
126
127
128
129
};

struct counter_sample_t
{
    vlc_value_t value;
    mtime_t     date;
};

struct counter_t
{
130
    unsigned int        i_id;
131
132
    char              * psz_name;
    int                 i_type;
133
    void              * p_obj;
134
    int                 i_compute_type;
135
136
    int                 i_samples;
    counter_sample_t ** pp_samples;
137
138
139

    mtime_t             update_interval;
    mtime_t             last_update;
140
141
};

142
143
144
145
146
147
148
enum
{
    STATS_INPUT_BITRATE,
    STATS_READ_BYTES,
    STATS_READ_PACKETS,
    STATS_DEMUX_READ,
    STATS_DEMUX_BITRATE,
149
150
    STATS_DEMUX_CORRUPTED,
    STATS_DEMUX_DISCONTINUITY,
151
152
153
154
155
156
157
158
159
160
161
162
163
    STATS_PLAYED_ABUFFERS,
    STATS_LOST_ABUFFERS,
    STATS_DECODED_AUDIO,
    STATS_DECODED_VIDEO,
    STATS_DECODED_SUB,
    STATS_CLIENT_CONNECTIONS,
    STATS_ACTIVE_CONNECTIONS,
    STATS_SOUT_SENT_PACKETS,
    STATS_SOUT_SENT_BYTES,
    STATS_SOUT_SEND_BITRATE,
    STATS_DISPLAYED_PICTURES,
    STATS_LOST_PICTURES,

164
    STATS_TIMER_PLAYLIST_BUILD,
165
166
    STATS_TIMER_ML_LOAD,
    STATS_TIMER_ML_DUMP,
167
    STATS_TIMER_INTERACTION,
zorglub's avatar
zorglub committed
168
    STATS_TIMER_PREPARSE,
169
    STATS_TIMER_INPUT_LAUNCHING,
170
    STATS_TIMER_MODULE_NEED,
171
172
    STATS_TIMER_VIDEO_FRAME_ENCODING,
    STATS_TIMER_AUDIO_FRAME_ENCODING,
zorglub's avatar
zorglub committed
173
174

    STATS_TIMER_SKINS_PLAYTREE_IMAGE,
175
176
};

zorglub's avatar
zorglub committed
177
178
179
/*********
 * Timing
 ********/
180
181
182
183
VLC_API void stats_TimerStart(vlc_object_t*, const char *, unsigned int );
VLC_API void stats_TimerStop(vlc_object_t*, unsigned int);
VLC_API void stats_TimerDump(vlc_object_t*, unsigned int);
VLC_API void stats_TimersDumpAll(vlc_object_t*);
184
185
186
187
188
#define stats_TimerStart(a,b,c) stats_TimerStart( VLC_OBJECT(a), b,c )
#define stats_TimerStop(a,b) stats_TimerStop( VLC_OBJECT(a), b )
#define stats_TimerDump(a,b) stats_TimerDump( VLC_OBJECT(a), b )
#define stats_TimersDumpAll(a) stats_TimersDumpAll( VLC_OBJECT(a) )

189
VLC_API void stats_TimersCleanAll(vlc_object_t * );
190
191
#define stats_TimersCleanAll(a) stats_TimersCleanAll( VLC_OBJECT(a) )

192
VLC_API void stats_TimerClean(vlc_object_t *, unsigned int );
193
#define stats_TimerClean(a,b) stats_TimerClean( VLC_OBJECT(a), b )
zorglub's avatar
zorglub committed
194

ivoire's avatar
ivoire committed
195
196
197
/**
 * @}
 */
zorglub's avatar
zorglub committed
198
#endif