vdr  2.4.7
player.c
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1 /*
2  * player.c: The basic player interface
3  *
4  * See the main source file 'vdr.c' for copyright information and
5  * how to reach the author.
6  *
7  * $Id: player.c 4.1 2020/05/18 16:47:29 kls Exp $
8  */
9 
10 #include "player.h"
11 #include "i18n.h"
12 
13 // --- cPlayer ---------------------------------------------------------------
14 
16 {
17  device = NULL;
18  playMode = PlayMode;
19 }
20 
22 {
23  Detach();
24 }
25 
26 int cPlayer::PlayPes(const uchar *Data, int Length, bool VideoOnly)
27 {
28  if (device)
29  return device->PlayPes(Data, Length, VideoOnly);
30  esyslog("ERROR: attempt to use cPlayer::PlayPes() without attaching to a cDevice!");
31  return -1;
32 }
33 
34 void cPlayer::Detach(void)
35 {
36  if (device)
37  device->Detach(this);
38 }
39 
40 // --- cControl --------------------------------------------------------------
41 
44 
45 cControl::cControl(cPlayer *Player, bool Hidden)
46 {
47  attached = false;
48  hidden = Hidden;
49  player = Player;
50 }
51 
53 {
54  if (this == control)
55  control = NULL;
56 }
57 
59 {
60  return NULL;
61 }
62 
64 {
65  return NULL;
66 }
67 
69 {
70  return "";
71 }
72 
73 #if DEPRECATED_CCONTROL
75 {
76  cMutexLock MutexLock(&mutex);
77  return (control && (!control->hidden || Hidden)) ? control : NULL;
78 }
79 #endif
80 
81 cControl *cControl::Control(cMutexLock &MutexLock, bool Hidden)
82 {
83  MutexLock.Lock(&mutex);
84  return (control && (!control->hidden || Hidden)) ? control : NULL;
85 }
86 
87 void cControl::Launch(cControl *Control)
88 {
89  cMutexLock MutexLock(&mutex);
90  cControl *c = control; // keeps control from pointing to uninitialized memory TODO obsolete once DEPRECATED_CCONTROL is gone
91  control = Control;
92  delete c;
93 }
94 
95 void cControl::Attach(void)
96 {
97  cMutexLock MutexLock(&mutex);
99  if (cDevice::PrimaryDevice()->AttachPlayer(control->player))
100  control->attached = true;
101  else {
102  Skins.Message(mtError, tr("Channel locked (recording)!"));
103  Shutdown();
104  }
105  }
106 }
107 
109 {
110  cMutexLock MutexLock(&mutex);
111  cControl *c = control; // avoids recursions
112  control = NULL;
113  delete c;
114 }
virtual cString GetHeader(void)
This can be used by players that don't play a cRecording, but rather do something completely differen...
Definition: player.c:68
static void Shutdown(void)
Definition: player.c:108
static cControl * control
Definition: player.h:82
virtual cOsdObject * GetInfo(void)
Returns an OSD object that displays information about the currently played programme.
Definition: player.c:58
static cMutex mutex
Definition: player.h:83
virtual const cRecording * GetRecording(void)
Returns the cRecording that is currently being replayed, or NULL if this player is not playing a cRec...
Definition: player.c:63
virtual ~cControl()
Definition: player.c:52
static void Attach(void)
Definition: player.c:95
bool hidden
Definition: player.h:85
static cControl * Control(bool Hidden=false)
Old version of this function, for backwards compatibility with plugins.
Definition: player.c:74
bool attached
Definition: player.h:84
static void Launch(cControl *Control)
Definition: player.c:87
cControl(cPlayer *Player, bool Hidden=false)
Definition: player.c:45
cPlayer * player
Definition: player.h:87
virtual int PlayPes(const uchar *Data, int Length, bool VideoOnly=false)
Plays all valid PES packets in Data with the given Length.
Definition: device.c:1507
void Detach(cFilter *Filter)
Detaches the given filter from this device.
Definition: device.c:704
static cDevice * PrimaryDevice(void)
Returns the primary device.
Definition: device.h:148
bool Lock(cMutex *Mutex)
Definition: thread.c:400
Definition: thread.h:67
Definition: player.h:16
void Detach(void)
Definition: player.c:34
int PlayPes(const uchar *Data, int Length, bool VideoOnly=false)
Definition: player.c:26
bool IsAttached(void)
Definition: player.h:54
virtual ~cPlayer()
Definition: player.c:21
ePlayMode playMode
Definition: player.h:20
cPlayer(ePlayMode PlayMode=pmAudioVideo)
Definition: player.c:15
cDevice * device
Definition: player.h:19
eKeys Message(eMessageType Type, const char *s, int Seconds=0)
Displays the given message, either through a currently visible display object that is capable of doin...
Definition: skins.c:250
Definition: tools.h:174
ePlayMode
Definition: device.h:39
#define tr(s)
Definition: i18n.h:85
cSkins Skins
Definition: skins.c:219
@ mtError
Definition: skins.h:37
unsigned char uchar
Definition: tools.h:31
#define esyslog(a...)
Definition: tools.h:35