/usr/include/k3bvideodvdtitletranscodingjob.h is in libk3b-dev 2.0.3-0ubuntu5.
This file is owned by root:root, with mode 0o644.
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*
* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.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.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_VIDEODVD_TITLE_TRANSCODING_JOB_H_
#define _K3B_VIDEODVD_TITLE_TRANSCODING_JOB_H_
#include <qprocess.h>
#include "k3b_export.h"
#include "k3bjob.h"
#include "k3bvideodvd.h"
namespace K3b {
class ExternalBin;
/**
* The VideoDVDTitleTranscodingJob rips a Video DVD title directly
* from the medium and transcodes it on-the-fly to, for example, an XviD video
*
* For now only one audio stream is supported.
*/
class LIBK3B_EXPORT VideoDVDTitleTranscodingJob : public Job
{
Q_OBJECT
public:
VideoDVDTitleTranscodingJob( JobHandler* hdl, QObject* parent );
~VideoDVDTitleTranscodingJob();
/**
* The video codecs supported by this job.
*/
enum VideoCodec {
VIDEO_CODEC_XVID,
VIDEO_CODEC_FFMPEG_MPEG4,
VIDEO_CODEC_NUM_ENTRIES /**< Do not use this as a codec. */
};
/**
* The audio codecs supported by this job.
*/
enum AudioCodec {
AUDIO_CODEC_MP3,
/* AUDIO_CODEC_OGG_VORBIS,*/
AUDIO_CODEC_AC3_STEREO,
AUDIO_CODEC_AC3_PASSTHROUGH,
AUDIO_CODEC_NUM_ENTRIES /**< Do not use this as a codec. */
};
const VideoDVD::VideoDVD& videoDVD() const { return m_dvd; }
int title() const { return m_titleNumber; }
int audioStream() const { return m_audioStreamIndex; }
int clippingTop() const { return m_clippingTop; }
int clippingLeft() const { return m_clippingLeft; }
int clippingBottom() const { return m_clippingBottom; }
int clippingRight() const { return m_clippingRight; }
int height() const { return m_height; }
int width() const { return m_width; }
const QString& filename() { return m_filename; }
VideoCodec videoCodec() const { return m_videoCodec; }
int videoBitrate() const { return m_videoBitrate; }
bool twoPassEncoding() const { return m_twoPassEncoding; }
AudioCodec audioCodec() const { return m_audioCodec; }
int audioBitrate() const { return m_audioBitrate; }
bool audioVBR() const { return m_audioVBR; }
bool resampleAudioTo44100() const { return m_resampleAudio; }
bool lowPriority() const { return m_lowPriority; }
/**
* \param bin If 0 the default binary from Core will be used
*/
static bool transcodeBinaryHasSupportFor( VideoCodec codec, const ExternalBin* bin = 0 );
/**
* \param bin If 0 the default binary from Core will be used
*/
static bool transcodeBinaryHasSupportFor( AudioCodec codec, const ExternalBin* bin = 0 );
static QString videoCodecString( VideoCodec );
static QString audioCodecString( AudioCodec );
static QString videoCodecDescription( VideoCodec );
static QString audioCodecDescription( AudioCodec );
public Q_SLOTS:
void start();
void cancel();
/**
* The device containing the Video DVD
*/
void setVideoDVD( const K3b::VideoDVD::VideoDVD& dvd ) { m_dvd = dvd; }
/**
* Set the title number to be transcoded
*
* The default value is 1, denoting the first title.
*/
void setTitle( int t ) { m_titleNumber = t; }
/**
* Set the audio stream to use.
*
* For now K3b does not support encoding multiple audio streams
* in one video file.
*
* The default value is 0, meaning that the first audio stream will
* be encoded.
*/
void setAudioStream( int i ) { m_audioStreamIndex = i; }
/**
* Set the clipping values for the Video title.
* The clipping will be applied before the transcoding.
*
* For now it is not possible to use different clipping values for left
* and right as transcode cannot handle this. Thus, the job uses the
* smaller value for both the left and right clipping.
*
* The default is to not clip the video.
*/
void setClipping( int top, int left, int bottom, int right );
/**
* The size of the resulting transcoded video.
*
* The default is to automatically adjust the size (width=height=0), which
* essentially means that anamorph encoded source material will be resized
* according to its aspect ratio.
*
* It is also possible to set just the width or just the height and leave
* the other value to 0 which will then be determined automatically.
*
* The clipping values will be taken into account if at least one value
* is determined automatically.
*
* The width and height values have to be a multiple of 16. If it is not,
* they will be changed accordingly.
*
* FIXME: GET MessageInfoRMATION: why a multiple of 16 and not 8 or 32?
*/
void setSize( int width, int height );
/**
* The filename to write the resulting video to.
*
* The default is some automatically generated filename
* in the default K3b temp directory.
*/
void setFilename( const QString& name ) { m_filename = name; }
/**
* Set the video codec used to encode the video title.
*
* The default is VIDEO_CODEC_FFMPEG_MPEG4
*/
void setVideoCodec( VideoCodec codec ) { m_videoCodec = codec; }
/**
* Set the bitrate used to encode the video.
*
* The default is 1800
*/
void setVideoBitrate( int bitrate ) { m_videoBitrate = bitrate; }
/**
* Set if the job should use two-pass encoding to improve
* the quality of the resulting video.
*
* The default is false.
*/
void setTwoPassEncoding( bool b ) { m_twoPassEncoding = b; }
/**
* Set the audio codec used to encode the audio stream
* in the video title.
*
* The default is AUDIO_CODEC_MP3
*/
void setAudioCodec( AudioCodec codec ) { m_audioCodec = codec; }
/**
* Set the bitrate used to encode the audio stream.
*
* The default is 128
*
* In case of the AC3 codec the bitrate can be some value between 32 and 640.
*
* For the AC3 passthrough mode the bitrate is ignored.
*/
void setAudioBitrate( int bitrate ) { m_audioBitrate = bitrate; }
/**
* Set if the audio stream should be encoded with a variable bitrate.
*
* The default is false.
*
* For the AC3 passthrough mode the bitrate is ignored.
*/
void setAudioVBR( bool vbr ) { m_audioVBR = vbr; }
/**
* Set if the audio data should be resampled to 44100 Hz/s
*
* The default is false.
*
* For the AC3 passthrough mode this is ignored.
*/
void setResampleAudioTo44100( bool b ) { m_resampleAudio = b; }
/**
* If true the transcode processes will be run with a very low scheduling
* priority.
*
* The default is true.
*/
void setLowPriority( bool b ) { m_lowPriority = b; }
private Q_SLOTS:
void slotTranscodeStderr( const QString& );
void slotTranscodeExited( int, QProcess::ExitStatus );
private:
/**
* \param 0 - single pass encoding
* 1 - two pass encoding/first pass
* 2 - two pass encoding/second pass
*/
void startTranscode( int pass );
void cleanup( bool success );
VideoDVD::VideoDVD m_dvd;
QString m_filename;
int m_clippingTop;
int m_clippingBottom;
int m_clippingLeft;
int m_clippingRight;
int m_width;
int m_height;
int m_titleNumber;
int m_audioStreamIndex;
VideoCodec m_videoCodec;
AudioCodec m_audioCodec;
int m_videoBitrate;
int m_audioBitrate;
bool m_audioVBR;
bool m_resampleAudio;
bool m_twoPassEncoding;
bool m_lowPriority;
class Private;
Private* d;
};
}
#endif
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