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Code Issues Releases Wiki Activity

Added 'uchar Id' to cAudio::Play()'

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This commit is contained in:
Klaus Schmidinger 2005-02-12 13:01:24 +01:00
parent d1fb8d586d
commit 25c942c0e3
6 changed files with 59 additions and 51 deletions
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2
CONTRIBUTORS
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@ -273,6 +273,7 @@ Werner Fink <werner@suse.de>
recordings can be triggered in the default branch recordings can be triggered in the default branch
for pointing out that pesAssembler->Reset() needs to be called between subsequent for pointing out that pesAssembler->Reset() needs to be called between subsequent
Transfer Modes Transfer Modes
for suggestions that led to the addition of the 'Id' parameter to cAudio::Play().
Rolf Hakenes <hakenes@hippomi.de> Rolf Hakenes <hakenes@hippomi.de>
for providing 'libdtv' and adapting the EIT mechanisms to it for providing 'libdtv' and adapting the EIT mechanisms to it
@ -1136,6 +1137,7 @@ Marco Schl
when clearing the transfer buffer to avoid overflows when clearing the transfer buffer to avoid overflows
for adding CMD_SPU_CHG_COLCON to cDvbSpuDecoder::setTime() for adding CMD_SPU_CHG_COLCON to cDvbSpuDecoder::setTime()
for suggesting to force a new resync after a call to cRemux::Clear() for suggesting to force a new resync after a call to cRemux::Clear()
for suggestions that led to the addition of the 'Id' parameter to cAudio::Play().
Jürgen Schmitz <j.schmitz@web.de> Jürgen Schmitz <j.schmitz@web.de>
for reporting a bug in displaying the current channel when switching via the SVDRP for reporting a bug in displaying the current channel when switching via the SVDRP

4
HISTORY
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@ -3388,3 +3388,7 @@ Video Disk Recorder Revision History
Huelswitt). Huelswitt).
- Completed the Danish OSD texts (thanks to Mogens Elneff). - Completed the Danish OSD texts (thanks to Mogens Elneff).
- Forcing a new resync after a call to cRemux::Clear() (suggested by Marco Schlüßler). - Forcing a new resync after a call to cRemux::Clear() (suggested by Marco Schlüßler).
- The cAudio::Play() function now has an additional parameter 'uchar Id' which tells
the function the substream id of the given audio packet, so that a plugin can
take the right action for the various kinds if audio data (based on suggestions
by Werner Fink and Macro Schlüßler).

35
PLUGINS.html
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@ -14,18 +14,18 @@ Copyright &copy; 2004 Klaus Schmidinger<br>
<a href="http://www.cadsoft.de/vdr">www.cadsoft.de/vdr</a> <a href="http://www.cadsoft.de/vdr">www.cadsoft.de/vdr</a>
</center> </center>
<p> <p>
<!--X1.3.8--><table width=100%><tr><td bgcolor=#0000AA>&nbsp;</td><td width=100%> <!--X1.3.18--><table width=100%><tr><td bgcolor=#0000AA>&nbsp;</td><td width=100%>
Important modifications introduced in version 1.3.8 are marked like this.
<!--X1.3.8--></td></tr></table>
<!--X1.3.18--><table width=100%><tr><td bgcolor=#00AA00>&nbsp;</td><td width=100%>
Important modifications introduced in version 1.3.18 are marked like this. Important modifications introduced in version 1.3.18 are marked like this.
<!--X1.3.18--></td></tr></table> <!--X1.3.18--></td></tr></table>
<!--X1.3.19--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%> <!--X1.3.19--><table width=100%><tr><td bgcolor=#00AA00>&nbsp;</td><td width=100%>
Important modifications introduced in version 1.3.19 are marked like this. Important modifications introduced in version 1.3.19 are marked like this.
<!--X1.3.19--></td></tr></table> <!--X1.3.19--></td></tr></table>
<!--X1.3.20--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%> <!--X1.3.20--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%>
Important modifications introduced in version 1.3.20 are marked like this. Important modifications introduced in version 1.3.20 are marked like this.
<!--X1.3.20--></td></tr></table> <!--X1.3.20--></td></tr></table>
<!--X1.3.21--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
Important modifications introduced in version 1.3.21 are marked like this.
<!--X1.3.21--></td></tr></table>
<p> <p>
VDR provides an easy to use plugin interface that allows additional functionality VDR provides an easy to use plugin interface that allows additional functionality
to be added to the program by implementing a dynamically loadable library file. to be added to the program by implementing a dynamically loadable library file.
@ -58,7 +58,7 @@ structures and allows it to hook itself into specific areas to perform special a
<li><a href="#Command line arguments">Command line arguments</a> <li><a href="#Command line arguments">Command line arguments</a>
<li><a href="#Command line help">Command line help</a> <li><a href="#Command line help">Command line help</a>
<li><a href="#Getting started">Getting started</a> <li><a href="#Getting started">Getting started</a>
<!--X1.3.20--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%> <!--X1.3.20--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%>
<li><a href="#Shutting down">Shutting down</a> <li><a href="#Shutting down">Shutting down</a>
<!--X1.3.20--></td></tr></table> <!--X1.3.20--></td></tr></table>
<li><a href="#Main menu entry">Main menu entry</a> <li><a href="#Main menu entry">Main menu entry</a>
@ -306,7 +306,7 @@ since VDR, for instance, has to create the plugin objects in order to get their
command line help - and after that immediately destroys them again. command line help - and after that immediately destroys them again.
<p> <p>
The <b>destructor</b> has to clean up any data created by the plugin. The <b>destructor</b> has to clean up any data created by the plugin.
<!--X1.3.20--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%> <!--X1.3.20--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%>
Any threads the plugin may have created shall be stopped in the Any threads the plugin may have created shall be stopped in the
<a href="#Shutting down"><tt>Stop()</tt></a> function. <a href="#Shutting down"><tt>Stop()</tt></a> function.
<!--X1.3.20--></td></tr></table> <!--X1.3.20--></td></tr></table>
@ -504,7 +504,7 @@ VDR to exit.
If the plugin doesn't implement any background functionality or internationalized If the plugin doesn't implement any background functionality or internationalized
texts, it doesn't need to implement either of these functions. texts, it doesn't need to implement either of these functions.
<!--X1.3.20--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%> <!--X1.3.20--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%>
<a name="Shutting down"><hr><h2>Shutting down</h2> <a name="Shutting down"><hr><h2>Shutting down</h2>
<center><i><b>Stop it, right there!</b></i></center><p> <center><i><b>Stop it, right there!</b></i></center><p>
@ -1044,7 +1044,7 @@ public:
Take a look at the files <tt>player.h</tt> and <tt>dvbplayer.c</tt> to see how VDR implements Take a look at the files <tt>player.h</tt> and <tt>dvbplayer.c</tt> to see how VDR implements
its own player for the VDR recordings. its own player for the VDR recordings.
<p> <p>
<!--X1.3.18--><table width=100%><tr><td bgcolor=#00AA00>&nbsp;</td><td width=100%> <!--X1.3.18--><table width=100%><tr><td bgcolor=#0000AA>&nbsp;</td><td width=100%>
To play the actual data, the player needs to call its member function To play the actual data, the player needs to call its member function
<p><table><tr><td bgcolor=#F0F0F0><pre> <p><table><tr><td bgcolor=#F0F0F0><pre>
@ -1067,7 +1067,7 @@ bool DevicePoll(cPoller &amp;Poller, int TimeoutMs = 0);
to determine whether the device is ready for further data. to determine whether the device is ready for further data.
<p> <p>
<!--X1.3.18--><table width=100%><tr><td bgcolor=#00AA00>&nbsp;</td><td width=100%> <!--X1.3.18--><table width=100%><tr><td bgcolor=#0000AA>&nbsp;</td><td width=100%>
By default all audio track handling is done by the device a player is By default all audio track handling is done by the device a player is
attached to. attached to.
If the player can provide more than a single audio track, and has special If the player can provide more than a single audio track, and has special
@ -1204,7 +1204,7 @@ public:
}; };
cMyReceiver::cMyReceiver(int Pid) cMyReceiver::cMyReceiver(int Pid)
<!--X1.3.19--><table width=100%><tr><td bgcolor=#AA0000>&nbsp;</td><td width=100%> <!--X1.3.19--><table width=100%><tr><td bgcolor=#00AA00>&nbsp;</td><td width=100%>
:cReceiver(0, -1, Pid) :cReceiver(0, -1, Pid)
<!--X1.3.19--></td></tr></table> <!--X1.3.19--></td></tr></table>
{ {
@ -1382,7 +1382,7 @@ public:
virtual cSkinDisplayMenu *DisplayMenu(void); virtual cSkinDisplayMenu *DisplayMenu(void);
virtual cSkinDisplayReplay *DisplayReplay(bool ModeOnly); virtual cSkinDisplayReplay *DisplayReplay(bool ModeOnly);
virtual cSkinDisplayVolume *DisplayVolume(void); virtual cSkinDisplayVolume *DisplayVolume(void);
<!--X1.3.18--><table width=100%><tr><td bgcolor=#00AA00>&nbsp;</td><td width=100%> <!--X1.3.18--><table width=100%><tr><td bgcolor=#0000AA>&nbsp;</td><td width=100%>
virtual cSkinDisplayMessage *DisplayTrack(int NumTracks, const char * const *Tracks); virtual cSkinDisplayMessage *DisplayTrack(int NumTracks, const char * const *Tracks);
<!--X1.3.18--></td></tr></table> <!--X1.3.18--></td></tr></table>
virtual cSkinDisplayMessage *DisplayMessage(void); virtual cSkinDisplayMessage *DisplayMessage(void);
@ -1404,7 +1404,6 @@ new cMySkin;
in the <a href="#Getting started"><tt>Start()</tt></a> function of your plugin. in the <a href="#Getting started"><tt>Start()</tt></a> function of your plugin.
Do not delete this object, it will be automatically deleted when the program ends. Do not delete this object, it will be automatically deleted when the program ends.
<p> <p>
<!--X1.3.8--><table width=100%><tr><td bgcolor=#0000AA>&nbsp;</td><td width=100%>
In order to be able to easily identify plugins that implement a skin it is recommended In order to be able to easily identify plugins that implement a skin it is recommended
that the name of such a plugin should be that the name of such a plugin should be
@ -1414,8 +1413,6 @@ skinxyz
where <tt>xyz</tt> is the actual name of the skin. where <tt>xyz</tt> is the actual name of the skin.
<!--X1.3.8--></td></tr></table>
<a name="Themes"><hr><h2>Themes</h2> <a name="Themes"><hr><h2>Themes</h2>
<center><i><b>Eye of the beholder...</b></i></center><p> <center><i><b>Eye of the beholder...</b></i></center><p>
@ -1514,7 +1511,7 @@ repectively.
If the device can provide more than a single audio track, it can implement the If the device can provide more than a single audio track, it can implement the
following function to make them available: following function to make them available:
<!--X1.3.18--><table width=100%><tr><td bgcolor=#00AA00>&nbsp;</td><td width=100%> <!--X1.3.18--><table width=100%><tr><td bgcolor=#0000AA>&nbsp;</td><td width=100%>
<p><table><tr><td bgcolor=#F0F0F0><pre> <p><table><tr><td bgcolor=#F0F0F0><pre>
virtual void SetAudioTrackDevice(eTrackType Type); virtual void SetAudioTrackDevice(eTrackType Type);
virtual int GetAudioChannelDevice(void); virtual int GetAudioChannelDevice(void);
@ -1679,7 +1676,9 @@ private:
virtual void Action(void); virtual void Action(void);
public: public:
cMyAudio(void); cMyAudio(void);
virtual void Play(const uchar *Data, int Length); <!--X1.3.21--><table width=100%><tr><td bgcolor=#FF0000>&nbsp;</td><td width=100%>
virtual void Play(const uchar *Data, int Length, uchar Id);
<!--X1.3.21--></td></tr></table>
virtual void Mute(bool On); virtual void Mute(bool On);
virtual void Clear(void); virtual void Clear(void);
}; };

15
audio.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: audio.c 1.2 2002/11/03 11:53:34 kls Exp $ * $Id: audio.c 1.3 2005/02/12 12:40:51 kls Exp $
*/ */
#include "audio.h" #include "audio.h"
@ -25,10 +25,10 @@ cAudio::~cAudio()
cAudios Audios; cAudios Audios;
void cAudios::PlayAudio(const uchar *Data, int Length) void cAudios::PlayAudio(const uchar *Data, int Length, uchar Id)
{ {
for (cAudio *audio = First(); audio; audio = Next(audio)) for (cAudio *audio = First(); audio; audio = Next(audio))
audio->Play(Data, Length); audio->Play(Data, Length, Id);
} }
void cAudios::MuteAudio(bool On) void cAudios::MuteAudio(bool On)
@ -56,14 +56,14 @@ cExternalAudio::~cExternalAudio()
free(command); free(command);
} }
void cExternalAudio::Play(const uchar *Data, int Length) void cExternalAudio::Play(const uchar *Data, int Length, uchar Id)
{ {
if (command && !mute) { if (command && !mute) {
if (pipe || pipe.Open(command, "w")) { if (pipe || pipe.Open(command, "w")) {
if (Data[0] == 0x00 && Data[1] == 0x00 && Data[2] == 0x01) { if (0x80 <= Id && Id <= 0x87 || Id == 0xBD) { // AC3
if (Data[3] == 0xBD) { // dolby
//XXX??? int written = Data[8] + (skipAC3bytes ? 13 : 9); // skips the PES header
int written = Data[8] + 9; // skips the PES header int written = Data[8] + 9; // skips the PES header
if (Id != 0xBD)
written += 4; // skips AC3 bytes
Length -= written; Length -= written;
while (Length > 0) { while (Length > 0) {
int w = fwrite(Data + written, 1, Length, pipe); int w = fwrite(Data + written, 1, Length, pipe);
@ -76,7 +76,6 @@ void cExternalAudio::Play(const uchar *Data, int Length)
} }
} }
} }
}
else { else {
esyslog("ERROR: can't open pipe to audio command '%s'", command); esyslog("ERROR: can't open pipe to audio command '%s'", command);
free(command); free(command);

23
audio.h
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: audio.h 1.2 2002/11/03 11:50:02 kls Exp $ * $Id: audio.h 1.3 2005/02/12 12:20:19 kls Exp $
*/ */
#ifndef __AUDIO_H #ifndef __AUDIO_H
@ -18,21 +18,22 @@ protected:
cAudio(void); cAudio(void);
public: public:
virtual ~cAudio(); virtual ~cAudio();
virtual void Play(const uchar *Data, int Length) = 0; virtual void Play(const uchar *Data, int Length, uchar Id) = 0;
// Plays the given block of audio Data. Must return as soon as possible. ///< Plays the given block of audio Data. Must return as soon as possible.
// If the entire block of data can't be processed immediately, it must ///< If the entire block of data can't be processed immediately, it must
// be copied and processed in a separate thread. The Data is always a ///< be copied and processed in a separate thread. The Data is always a
// complete PES audio packet. ///< complete PES audio packet. Id indicates the type of audio data this
///< packet holds.
virtual void Mute(bool On) = 0; virtual void Mute(bool On) = 0;
// Immediately sets the audio device to be silent (On==true) or to ///< Immediately sets the audio device to be silent (On==true) or to
// normal replay (On==false). ///< normal replay (On==false).
virtual void Clear(void) = 0; virtual void Clear(void) = 0;
// Clears all data that might still be awaiting processing. ///< Clears all data that might still be awaiting processing.
}; };
class cAudios : public cList<cAudio> { class cAudios : public cList<cAudio> {
public: public:
void PlayAudio(const uchar *Data, int Length); void PlayAudio(const uchar *Data, int Length, uchar Id);
void MuteAudio(bool On); void MuteAudio(bool On);
void ClearAudio(void); void ClearAudio(void);
}; };
@ -47,7 +48,7 @@ private:
public: public:
cExternalAudio(const char *Command); cExternalAudio(const char *Command);
virtual ~cExternalAudio(); virtual ~cExternalAudio();
virtual void Play(const uchar *Data, int Length); virtual void Play(const uchar *Data, int Length, uchar Id);
virtual void Mute(bool On); virtual void Mute(bool On);
virtual void Clear(void); virtual void Clear(void);
}; };

11
device.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: device.c 1.89 2005/02/08 13:06:12 kls Exp $ * $Id: device.c 1.90 2005/02/12 12:26:49 kls Exp $
*/ */
#include "device.h" #include "device.h"
@ -908,15 +908,18 @@ int cDevice::PlayPesPacket(const uchar *Data, int Length, bool VideoOnly)
SetAvailableTrack(ttDolby, SubStreamIndex, SubStreamId); SetAvailableTrack(ttDolby, SubStreamIndex, SubStreamId);
if (!VideoOnly && SubStreamId == availableTracks[currentAudioTrack].id) { if (!VideoOnly && SubStreamId == availableTracks[currentAudioTrack].id) {
w = PlayAudio(Start, d); w = PlayAudio(Start, d);
if (FirstLoop && !(SubStreamId & 0x08)) // no DTS if (FirstLoop)
Audios.PlayAudio(Data, Length); Audios.PlayAudio(Data, Length, SubStreamId);
} }
} }
break; break;
case 0xA0: // LPCM case 0xA0: // LPCM
SetAvailableTrack(ttAudio, SubStreamIndex, SubStreamId); SetAvailableTrack(ttAudio, SubStreamIndex, SubStreamId);
if (!VideoOnly && SubStreamId == availableTracks[currentAudioTrack].id) if (!VideoOnly && SubStreamId == availableTracks[currentAudioTrack].id) {
w = PlayAudio(Start, d); w = PlayAudio(Start, d);
if (FirstLoop)
Audios.PlayAudio(Data, Length, SubStreamId);
}
break; break;
default: default:
// Compatibility mode for old VDR recordings, where 0xBD was only AC3: // Compatibility mode for old VDR recordings, where 0xBD was only AC3: