vdr  1.7.27
Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | Private Member Functions | Private Attributes | Static Private Attributes
cDvbHdFfDevice Class Reference

#include <dvbhdffdevice.h>

List of all members.

Public Member Functions

 cDvbHdFfDevice (int Adapter, int Frontend)
virtual ~cDvbHdFfDevice ()
virtual bool HasDecoder (void) const
virtual cSpuDecoderGetSpuDecoder (void)
virtual ucharGrabImage (int &Size, bool Jpeg=true, int Quality=-1, int SizeX=-1, int SizeY=-1)
virtual void SetVideoDisplayFormat (eVideoDisplayFormat VideoDisplayFormat)
virtual void SetVideoFormat (bool VideoFormat16_9)
virtual eVideoSystem GetVideoSystem (void)
virtual void GetVideoSize (int &Width, int &Height, double &VideoAspect)
virtual void GetOsdSize (int &Width, int &Height, double &PixelAspect)
virtual int64_t GetSTC (void)
virtual void TrickSpeed (int Speed)
virtual void Clear (void)
virtual void Play (void)
virtual void Freeze (void)
virtual void Mute (void)
virtual void StillPicture (const uchar *Data, int Length)
virtual bool Poll (cPoller &Poller, int TimeoutMs=0)
virtual bool Flush (int TimeoutMs=0)

Static Public Member Functions

static bool Probe (int Adapter, int Frontend)
static HDFF::cHdffCmdIfGetHdffCmdHandler (void)

Protected Member Functions

virtual void MakePrimaryDevice (bool On)
virtual bool SetChannelDevice (const cChannel *Channel, bool LiveView)
virtual bool SetPid (cPidHandle *Handle, int Type, bool On)
virtual void SetAudioTrackDevice (eTrackType Type)
virtual int GetAudioChannelDevice (void)
virtual void SetAudioChannelDevice (int AudioChannel)
virtual void SetVolumeDevice (int Volume)
virtual void SetDigitalAudioDevice (bool On)
virtual bool CanReplay (void) const
virtual bool SetPlayMode (ePlayMode PlayMode)
virtual int PlayVideo (const uchar *Data, int Length)
virtual int PlayAudio (const uchar *Data, int Length, uchar Id)
virtual int PlayTsVideo (const uchar *Data, int Length)
virtual int PlayTsAudio (const uchar *Data, int Length)

Protected Attributes

ePlayMode playMode

Private Member Functions

void TurnOffLiveMode (bool LiveView)
void BuildTsPacket (uint8_t *TsBuffer, bool PusiSet, uint16_t Pid, uint8_t Counter, const uint8_t *Data, uint32_t Length)
uint32_t PesToTs (uint8_t *TsBuffer, uint16_t Pid, uint8_t &Counter, const uint8_t *Data, uint32_t Length)

Private Attributes

int fd_osd
int fd_audio
int fd_video
cDvbSpuDecoderspuDecoder
int audioChannel
int playVideoPid
int playAudioPid
bool freezed
bool trickMode
uint8_t videoCounter
uint8_t audioCounter
bool isHdffPrimary
HDFF::cHdffCmdIfmHdffCmdIf

Static Private Attributes

static int devHdffOffset = -1

Detailed Description

The cDvbHdFfDevice implements a DVB device which can be accessed through the Linux DVB driver API.

Definition at line 18 of file dvbhdffdevice.h.


Constructor & Destructor Documentation

cDvbHdFfDevice::cDvbHdFfDevice ( int  Adapter,
int  Frontend 
)

Member Function Documentation

void cDvbHdFfDevice::BuildTsPacket ( uint8_t *  TsBuffer,
bool  PusiSet,
uint16_t  Pid,
uint8_t  Counter,
const uint8_t *  Data,
uint32_t  Length 
) [private]

Definition at line 575 of file dvbhdffdevice.c.

Referenced by PesToTs().

bool cDvbHdFfDevice::CanReplay ( void  ) const [protected, virtual]

Returns true if this device can currently start a replay session.

Reimplemented from cDevice.

Definition at line 364 of file dvbhdffdevice.c.

void cDvbHdFfDevice::Clear ( void  ) [virtual]

Clears all video and audio data from the device.

A derived class must call the base class function to make sure all registered cAudio objects are notified.

Reimplemented from cDevice.

Definition at line 440 of file dvbhdffdevice.c.

References CHECK, HDFF::cHdffCmdIf::CmdAvSetAudioPid(), HDFF::cHdffCmdIf::CmdAvSetVideoPid(), fd_video, HDFF_AUDIO_STREAM_MPEG1, HDFF_VIDEO_STREAM_MPEG1, mHdffCmdIf, playAudioPid, and playVideoPid.

bool cDvbHdFfDevice::Flush ( int  TimeoutMs = 0) [virtual]

Returns true if the device's output buffers are empty, i.

e. any data which was buffered so far has been processed. If TimeoutMs is not zero, the device will wait up to the given number of milliseconds before returning in case there is still data in the buffers.

Reimplemented from cDevice.

Definition at line 569 of file dvbhdffdevice.c.

void cDvbHdFfDevice::Freeze ( void  ) [virtual]

Puts the device into "freeze frame" mode.

Reimplemented from cDevice.

Definition at line 460 of file dvbhdffdevice.c.

References HDFF::cHdffCmdIf::CmdAvSetAudioSpeed(), HDFF::cHdffCmdIf::CmdAvSetVideoSpeed(), freezed, and mHdffCmdIf.

int cDvbHdFfDevice::GetAudioChannelDevice ( void  ) [protected, virtual]

Gets the current audio channel, which is stereo (0), mono left (1) or mono right (2).

Reimplemented from cDevice.

Definition at line 318 of file dvbhdffdevice.c.

References audioChannel.

void cDvbHdFfDevice::GetOsdSize ( int &  Width,
int &  Height,
double &  PixelAspect 
) [virtual]

Returns the Width, Height and PixelAspect ratio the OSD should use to best fit the resolution of the output device.

If PixelAspect is not 1.0, the OSD may take this as a hint to scale its graphics in a way that, e.g., a circle will actually show up as a circle on the screen, and not as an ellipse. Values greater than 1.0 mean to stretch the graphics in the vertical direction (or shrink it in the horizontal direction, depending on which dimension shall be fixed). Values less than 1.0 work the other way round. Note that the OSD is not guaranteed to actually use this hint.

Reimplemented from cDevice.

Definition at line 181 of file dvbhdffdevice.c.

References cHdffSetup::GetOsdSize(), and gHdffSetup.

Returns a pointer to the device's SPU decoder (or NULL, if this device doesn't have an SPU decoder).

Reimplemented from cDevice.

Definition at line 116 of file dvbhdffdevice.c.

References cDevice::IsPrimaryDevice(), and spuDecoder.

int64_t cDvbHdFfDevice::GetSTC ( void  ) [virtual]

Gets the current System Time Counter, which can be used to synchronize audio, video and subtitles.

If this device is able to replay, it must provide an STC. The value returned doesn't need to be an actual "clock" value, it is sufficient if it holds the PTS (Presentation Time Stamp) of the most recently presented frame. A proper value must be returned in normal replay mode as well as in any trick modes (like slow motion, fast forward/rewind). Only the lower 32 bit of this value are actually used, since some devices can't handle the msb correctly.

Reimplemented from cDevice.

Definition at line 408 of file dvbhdffdevice.c.

References cDevice::CardIndex(), esyslog, fd_audio, and fd_video.

void cDvbHdFfDevice::GetVideoSize ( int &  Width,
int &  Height,
double &  VideoAspect 
) [virtual]

Returns the Width, Height and VideoAspect ratio of the currently displayed video material.

Width and Height are given in pixel (e.g. 720x576) and VideoAspect is e.g. 1.33333 for a 4:3 broadcast, or 1.77778 for 16:9. The default implementation returns 0 for Width and Height and 1.0 for VideoAspect.

Reimplemented from cDevice.

Definition at line 160 of file dvbhdffdevice.c.

References fd_video, and LOG_ERROR.

Returns the video system of the currently displayed material (default is PAL).

Reimplemented from cDevice.

Definition at line 145 of file dvbhdffdevice.c.

References fd_video, LOG_ERROR, vsNTSC, and vsPAL.

uchar * cDvbHdFfDevice::GrabImage ( int &  Size,
bool  Jpeg = true,
int  Quality = -1,
int  SizeX = -1,
int  SizeY = -1 
) [virtual]

Grabs the currently visible screen image.

Parameters:
SizeThe size of the returned data block.
JpegIf true will write a JPEG file. Otherwise a PNM file will be written.
QualityThe compression factor for JPEG. 1 will create a very blocky and small image, 70..80 will yield reasonable quality images while keeping the image file size around 50 KB for a full frame. The default will create a big but very high quality image.
SizeXThe number of horizontal pixels in the frame (default is the current screen width).
SizeYThe number of vertical pixels in the frame (default is the current screen height).
Returns:
A pointer to the grabbed image data, or NULL in case of an error. The caller takes ownership of the returned memory and must free() it once it isn't needed any more.

Reimplemented from cDevice.

Definition at line 123 of file dvbhdffdevice.c.

bool cDvbHdFfDevice::HasDecoder ( void  ) const [virtual]

Tells whether this device has an MPEG decoder.

Reimplemented from cDevice.

Definition at line 111 of file dvbhdffdevice.c.

References isHdffPrimary.

void cDvbHdFfDevice::MakePrimaryDevice ( bool  On) [protected, virtual]

Informs a device that it will be the primary device.

If there is anything the device needs to set up when it becomes the primary device (On = true) or to shut down when it no longer is the primary device (On = false), it should do so in this function. A derived class must call the MakePrimaryDevice() function of its base class.

Reimplemented from cDevice.

Definition at line 104 of file dvbhdffdevice.c.

References mHdffCmdIf.

void cDvbHdFfDevice::Mute ( void  ) [virtual]

Turns off audio while replaying.

A derived class must call the base class function to make sure all registered cAudio objects are notified.

Reimplemented from cDevice.

Definition at line 468 of file dvbhdffdevice.c.

uint32_t cDvbHdFfDevice::PesToTs ( uint8_t *  TsBuffer,
uint16_t  Pid,
uint8_t &  Counter,
const uint8_t *  Data,
uint32_t  Length 
) [private]

Definition at line 602 of file dvbhdffdevice.c.

References BuildTsPacket().

Referenced by PlayAudio(), and PlayVideo().

void cDvbHdFfDevice::Play ( void  ) [virtual]

Sets the device into play mode (after a previous trick mode).

Reimplemented from cDevice.

Definition at line 450 of file dvbhdffdevice.c.

References HDFF::cHdffCmdIf::CmdAvEnableSync(), HDFF::cHdffCmdIf::CmdAvSetAudioSpeed(), HDFF::cHdffCmdIf::CmdAvSetVideoSpeed(), freezed, mHdffCmdIf, and trickMode.

int cDvbHdFfDevice::PlayAudio ( const uchar Data,
int  Length,
uchar  Id 
) [protected, virtual]

Plays the given data block as audio.

Data points to exactly one complete PES packet of the given Length. Id indicates the type of audio data this packet holds. PlayAudio() shall process the packet either as a whole (returning Length) or not at all (returning 0 or -1 and setting 'errno' accordingly).

Returns:
Returns the number of bytes actually taken from Data, or -1 in case of an error.

Reimplemented from cDevice.

Definition at line 643 of file dvbhdffdevice.c.

References audioCounter, HDFF::cHdffCmdIf::CmdAvSetAudioPid(), fd_video, freezed, HDFF_AUDIO_STREAM_AC3, HDFF_AUDIO_STREAM_DTS, HDFF_AUDIO_STREAM_MPEG1, HDFF_AUDIO_STREAM_PCM, HDFF_AV_CONTAINER_PES, HDFF_AV_CONTAINER_PES_DVD, mHdffCmdIf, PesToTs(), playAudioPid, trickMode, cDvbDevice::tsBuffer, and WriteAllOrNothing().

int cDvbHdFfDevice::PlayTsAudio ( const uchar Data,
int  Length 
) [protected, virtual]

Plays the given data block as audio.

Data points to exactly one complete TS packet of the given Length (which is always TS_SIZE). PlayTsAudio() shall process the packet either as a whole (returning Length) or not at all (returning 0 or -1 and setting 'errno' accordingly). The default implementation collects all incoming TS payload belonging to one PES packet and calls PlayAudio() with the resulting packet.

Reimplemented from cDevice.

Definition at line 724 of file dvbhdffdevice.c.

References cPatPmtParser::Apid(), cPatPmtParser::Atype(), HDFF::cHdffCmdIf::CmdAvSetAudioPid(), cPatPmtParser::Dpid(), cPatPmtParser::Dtype(), fd_video, freezed, MapAudioStreamTypes(), mHdffCmdIf, cDevice::PatPmtParser(), playAudioPid, trickMode, TsPid(), and WriteAllOrNothing().

int cDvbHdFfDevice::PlayTsVideo ( const uchar Data,
int  Length 
) [protected, virtual]

Plays the given data block as video.

Data points to exactly one complete TS packet of the given Length (which is always TS_SIZE). PlayTsVideo() shall process the packet either as a whole (returning Length) or not at all (returning 0 or -1 and setting 'errno' accordingly). The default implementation collects all incoming TS payload belonging to one PES packet and calls PlayVideo() with the resulting packet.

Reimplemented from cDevice.

Definition at line 696 of file dvbhdffdevice.c.

References HDFF::cHdffCmdIf::CmdAvSetVideoPid(), fd_video, freezed, MapVideoStreamTypes(), mHdffCmdIf, cDevice::PatPmtParser(), playVideoPid, TsPid(), and WriteAllOrNothing().

int cDvbHdFfDevice::PlayVideo ( const uchar Data,
int  Length 
) [protected, virtual]

Plays the given data block as video.

Data points to exactly one complete PES packet of the given Length. PlayVideo() shall process the packet either as a whole (returning Length) or not at all (returning 0 or -1 and setting 'errno' accordingly).

Returns:
Returns the number of bytes actually taken from Data, or -1 in case of an error.

Reimplemented from cDevice.

Definition at line 623 of file dvbhdffdevice.c.

References HDFF::cHdffCmdIf::CmdAvSetVideoPid(), fd_video, freezed, HDFF_VIDEO_STREAM_MPEG2, mHdffCmdIf, PesToTs(), playVideoPid, cDvbDevice::tsBuffer, videoCounter, and WriteAllOrNothing().

bool cDvbHdFfDevice::Poll ( cPoller Poller,
int  TimeoutMs = 0 
) [virtual]

Returns true if the device itself or any of the file handles in Poller is ready for further action.

If TimeoutMs is not zero, the device will wait up to the given number of milliseconds before returning in case it can't accept any data.

Reimplemented from cDevice.

Definition at line 563 of file dvbhdffdevice.c.

References cPoller::Add(), fd_video, and cPoller::Poll().

static bool cDvbHdFfDevice::Probe ( int  Adapter,
int  Frontend 
) [static]

Probes for existing DVB devices.

Reimplemented from cDvbDevice.

void cDvbHdFfDevice::SetAudioChannelDevice ( int  AudioChannel) [protected, virtual]

Sets the audio channel to stereo (0), mono left (1) or mono right (2).

Reimplemented from cDevice.

Definition at line 323 of file dvbhdffdevice.c.

References audioChannel, HDFF::cHdffCmdIf::CmdAvSetAudioChannel(), and mHdffCmdIf.

void cDvbHdFfDevice::SetAudioTrackDevice ( eTrackType  Type) [protected, virtual]
bool cDvbHdFfDevice::SetChannelDevice ( const cChannel Channel,
bool  LiveView 
) [protected, virtual]
void cDvbHdFfDevice::SetDigitalAudioDevice ( bool  On) [protected, virtual]

Tells the actual device that digital audio output shall be switched on or off.

Reimplemented from cDevice.

Definition at line 334 of file dvbhdffdevice.c.

bool cDvbHdFfDevice::SetPid ( cPidHandle Handle,
int  Type,
bool  On 
) [protected, virtual]

Does the actual PID setting on this device.

On indicates whether the PID shall be added or deleted. Handle->handle can be used by the device to store information it needs to receive this PID (for instance a file handle). Handle->used indicates how many receivers are using this PID. Type indicates some special types of PIDs, which the device may need to set in a specific way.

Reimplemented from cDvbDevice.

Definition at line 195 of file dvbhdffdevice.c.

References cDvbDevice::adapter, CHECK, HDFF::cHdffCmdIf::CmdAvSetAudioPid(), HDFF::cHdffCmdIf::CmdAvSetPcrPid(), HDFF::cHdffCmdIf::CmdAvSetVideoPid(), DEV_DVB_DEMUX, cDvbDevice::DvbOpen(), cDvbDevice::frontend, cDevice::cPidHandle::handle, HDFF_AUDIO_STREAM_AC3, HDFF_AUDIO_STREAM_MPEG1, HDFF_VIDEO_STREAM_H264, HDFF_VIDEO_STREAM_MPEG1, HDFF_VIDEO_STREAM_MPEG2, LOG_ERROR, mHdffCmdIf, cDevice::cPidHandle::pid, cDevice::ptAudio, cDevice::ptDolby, cDevice::ptPcr, cDevice::ptVideo, cDevice::cPidHandle::streamType, and cDevice::cPidHandle::used.

Referenced by SetAudioTrackDevice().

bool cDvbHdFfDevice::SetPlayMode ( ePlayMode  PlayMode) [protected, virtual]
void cDvbHdFfDevice::SetVideoDisplayFormat ( eVideoDisplayFormat  VideoDisplayFormat) [virtual]

Sets the video display format to the given one (only useful if this device has an MPEG decoder).

A derived class must first call the base class function!

Reimplemented from cDevice.

Definition at line 129 of file dvbhdffdevice.c.

void cDvbHdFfDevice::SetVideoFormat ( bool  VideoFormat16_9) [virtual]

Sets the output video format to either 16:9 or 4:3 (only useful if this device has an MPEG decoder).

Reimplemented from cDevice.

Definition at line 135 of file dvbhdffdevice.c.

References HdffVideoFormat_t::AfdEnabled, HdffVideoFormat_t::AutomaticEnabled, HDFF::cHdffCmdIf::CmdAvSetVideoFormat(), gHdffSetup, mHdffCmdIf, cHdffSetup::TvFormat, HdffVideoFormat_t::TvFormat, cHdffSetup::VideoConversion, and HdffVideoFormat_t::VideoConversion.

void cDvbHdFfDevice::SetVolumeDevice ( int  Volume) [protected, virtual]

Sets the audio volume on this device (Volume = 0...255).

Reimplemented from cDevice.

Definition at line 329 of file dvbhdffdevice.c.

References HDFF::cHdffCmdIf::CmdMuxSetVolume(), and mHdffCmdIf.

void cDvbHdFfDevice::StillPicture ( const uchar Data,
int  Length 
) [virtual]

Displays the given I-frame as a still picture.

Data points either to TS (first byte is 0x47) or PES (first byte is 0x00) data of the given Length. The default implementation converts TS to PES and calls itself again, allowing a derived class to display PES if it can't handle TS directly.

Reimplemented from cDevice.

Definition at line 484 of file dvbhdffdevice.c.

References HDFF::cHdffCmdIf::CmdAvShowStillImage(), MALLOC, MapVideoStreamTypes(), mHdffCmdIf, cDevice::PatPmtParser(), and TS_SIZE.

void cDvbHdFfDevice::TrickSpeed ( int  Speed) [virtual]

Sets the device into a mode where replay is done slower.

Every single frame shall then be displayed the given number of times. The cDvbPlayer uses the following values for the various speeds: 1x 2x 3x Fast Forward 6 3 1 Fast Reverse 6 3 1 Slow Forward 8 4 2 Slow Reverse 63 48 24

Reimplemented from cDevice.

Definition at line 429 of file dvbhdffdevice.c.

References HDFF::cHdffCmdIf::CmdAvEnableSync(), HDFF::cHdffCmdIf::CmdAvSetAudioPid(), HDFF::cHdffCmdIf::CmdAvSetVideoSpeed(), freezed, HDFF_AUDIO_STREAM_MPEG1, mHdffCmdIf, playAudioPid, and trickMode.

void cDvbHdFfDevice::TurnOffLiveMode ( bool  LiveView) [private]

Member Data Documentation

Definition at line 70 of file dvbhdffdevice.h.

Referenced by cDvbHdFfDevice(), GetAudioChannelDevice(), and SetAudioChannelDevice().

uint8_t cDvbHdFfDevice::audioCounter [private]

Definition at line 87 of file dvbhdffdevice.h.

Referenced by PlayAudio(), and SetPlayMode().

int cDvbHdFfDevice::devHdffOffset = -1 [static, private]

Definition at line 115 of file dvbhdffdevice.h.

Referenced by cDvbHdFfDevice(), and GetHdffCmdHandler().

int cDvbHdFfDevice::fd_audio [private]

Definition at line 20 of file dvbhdffdevice.h.

Referenced by cDvbHdFfDevice(), and GetSTC().

int cDvbHdFfDevice::fd_osd [private]

Definition at line 20 of file dvbhdffdevice.h.

Referenced by cDvbHdFfDevice().

int cDvbHdFfDevice::fd_video [private]
bool cDvbHdFfDevice::freezed [private]

Definition at line 116 of file dvbhdffdevice.h.

Referenced by cDvbHdFfDevice(), HasDecoder(), and ~cDvbHdFfDevice().

Definition at line 81 of file dvbhdffdevice.h.

Referenced by Clear(), PlayAudio(), PlayTsAudio(), SetPlayMode(), and TrickSpeed().

Definition at line 92 of file dvbhdffdevice.h.

Referenced by cDvbHdFfDevice(), and SetPlayMode().

Definition at line 80 of file dvbhdffdevice.h.

Referenced by Clear(), PlayTsVideo(), PlayVideo(), and SetPlayMode().

Definition at line 32 of file dvbhdffdevice.h.

Referenced by cDvbHdFfDevice(), GetSpuDecoder(), and ~cDvbHdFfDevice().

bool cDvbHdFfDevice::trickMode [private]

Definition at line 83 of file dvbhdffdevice.h.

Referenced by Play(), PlayAudio(), PlayTsAudio(), SetPlayMode(), and TrickSpeed().

uint8_t cDvbHdFfDevice::videoCounter [private]

Definition at line 86 of file dvbhdffdevice.h.

Referenced by PlayVideo(), and SetPlayMode().


The documentation for this class was generated from the following files: