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/*
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*
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* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
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* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#ifndef _K3B_VIDEODVD_TITLE_TRANSCODING_JOB_H_
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#define _K3B_VIDEODVD_TITLE_TRANSCODING_JOB_H_
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#include <k3b_export.h>
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#include <k3bjob.h>
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#include <k3bvideodvd.h>
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class KProcess;
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class K3bExternalBin;
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/**
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* The K3bVideoDVDTitleTranscodingJob rips a Video DVD title directly
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* from the medium and transcodes it on-the-fly to, for example, an XviD video
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*
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* For now only one audio stream is supported.
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*/
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class LIBK3B_EXPORT K3bVideoDVDTitleTranscodingJob : public K3bJob
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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K3bVideoDVDTitleTranscodingJob( K3bJobHandler* hdl, TQObject* tqparent );
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~K3bVideoDVDTitleTranscodingJob();
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/**
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* The video codecs supported by this job.
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*/
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enum VideoCodec {
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VIDEO_CODEC_XVID,
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VIDEO_CODEC_FFMPEG_MPEG4,
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VIDEO_CODEC_NUM_ENTRIES /**< Do not use this as a codec. */
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};
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/**
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* The audio codecs supported by this job.
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*/
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enum AudioCodec {
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AUDIO_CODEC_MP3,
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/* AUDIO_CODEC_OGG_VORBIS,*/
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AUDIO_CODEC_AC3_STEREO,
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AUDIO_CODEC_AC3_PASSTHROUGH,
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AUDIO_CODEC_NUM_ENTRIES /**< Do not use this as a codec. */
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};
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const K3bVideoDVD::VideoDVD& videoDVD() const { return m_dvd; }
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int title() const { return m_titleNumber; }
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int audioStream() const { return m_audioStreamIndex; }
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int clippingTop() const { return m_clippingTop; }
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int clippingLeft() const { return m_clippingLeft; }
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int clippingBottom() const { return m_clippingBottom; }
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int clippingRight() const { return m_clippingRight; }
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int height() const { return m_height; }
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int width() const { return m_width; }
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const TQString& filename() { return m_filename; }
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VideoCodec videoCodec() const { return m_videoCodec; }
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int videoBitrate() const { return m_videoBitrate; }
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bool twoPassEncoding() const { return m_twoPassEncoding; }
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AudioCodec audioCodec() const { return m_audioCodec; }
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int audioBitrate() const { return m_audioBitrate; }
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bool audioVBR() const { return m_audioVBR; }
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bool resampleAudioTo44100() const { return m_resampleAudio; }
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bool lowPriority() const { return m_lowPriority; }
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/**
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* \param bin If 0 the default binary from K3bCore will be used
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*/
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static bool transcodeBinaryHasSupportFor( VideoCodec codec, const K3bExternalBin* bin = 0 );
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/**
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* \param bin If 0 the default binary from K3bCore will be used
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*/
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static bool transcodeBinaryHasSupportFor( AudioCodec codec, const K3bExternalBin* bin = 0 );
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static TQString videoCodecString( VideoCodec );
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static TQString audioCodecString( AudioCodec );
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static TQString videoCodecDescription( VideoCodec );
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static TQString audioCodecDescription( AudioCodec );
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public slots:
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void start();
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void cancel();
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/**
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* The device containing the Video DVD
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*/
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void setVideoDVD( const K3bVideoDVD::VideoDVD& dvd ) { m_dvd = dvd; }
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/**
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* Set the title number to be transcoded
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*
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* The default value is 1, denoting the first title.
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*/
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void setTitle( int t ) { m_titleNumber = t; }
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/**
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* Set the audio stream to use.
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*
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* For now K3b does not support encoding multiple audio streams
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* in one video file.
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*
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* The default value is 0, meaning that the first audio stream will
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* be encoded.
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*/
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void setAudioStream( int i ) { m_audioStreamIndex = i; }
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/**
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* Set the clipping values for the Video title.
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* The clipping will be applied before the transcoding.
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*
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* For now it is not possible to use different clipping values for left
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* and right as transcode cannot handle this. Thus, the job uses the
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* smaller value for both the left and right clipping.
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*
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* The default is to not clip the video.
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*/
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void setClipping( int top, int left, int bottom, int right );
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/**
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* The size of the resulting transcoded video.
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*
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* The default is to automatically adjust the size (width=height=0), which
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* essentially means that anamorph encoded source material will be resized
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* according to its aspect ratio.
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*
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* It is also possible to set just the width or just the height and leave
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* the other value to 0 which will then be determined automatically.
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*
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* The clipping values will be taken into account if at least one value
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* is determined automatically.
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*
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* The width and height values have to be a multiple of 16. If it is not,
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* they will be changed accordingly.
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*
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* FIXME: GET INFORMATION: why a multiple of 16 and not 8 or 32?
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*/
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void setSize( int width, int height );
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/**
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* The filename to write the resulting video to.
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*
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* The default is some automatically generated filename
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* in the default K3b temp directory.
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*/
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void setFilename( const TQString& name ) { m_filename = name; }
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/**
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* Set the video codec used to encode the video title.
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*
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* The default is VIDEO_CODEC_FFMPEG_MPEG4
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*/
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void setVideoCodec( VideoCodec codec ) { m_videoCodec = codec; }
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/**
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* Set the bitrate used to encode the video.
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*
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* The default is 1800
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*/
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void setVideoBitrate( int bitrate ) { m_videoBitrate = bitrate; }
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/**
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* Set if the job should use two-pass encoding to improve
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* the quality of the resulting video.
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*
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* The default is false.
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*/
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void setTwoPassEncoding( bool b ) { m_twoPassEncoding = b; }
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/**
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* Set the audio codec used to encode the audio stream
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* in the video title.
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*
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* The default is AUDIO_CODEC_MP3
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*/
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void setAudioCodec( AudioCodec codec ) { m_audioCodec = codec; }
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/**
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* Set the bitrate used to encode the audio stream.
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*
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* The default is 128
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*
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* In case of the AC3 codec the bitrate can be some value between 32 and 640.
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*
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* For the AC3 passthrough mode the bitrate is ignored.
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*/
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void setAudioBitrate( int bitrate ) { m_audioBitrate = bitrate; }
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/**
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* Set if the audio stream should be encoded with a variable bitrate.
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*
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* The default is false.
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*
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* For the AC3 passthrough mode the bitrate is ignored.
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*/
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void setAudioVBR( bool vbr ) { m_audioVBR = vbr; }
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/**
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* Set if the audio data should be resampled to 44100 Hz/s
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*
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* The default is false.
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*
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* For the AC3 passthrough mode this is ignored.
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*/
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void setResampleAudioTo44100( bool b ) { m_resampleAudio = b; }
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/**
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* If true the transcode processes will be run with a very low scheduling
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* priority.
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*
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* The default is true.
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*/
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void setLowPriority( bool b ) { m_lowPriority = b; }
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private slots:
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void slotTranscodeStderr( const TQString& );
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void slotTranscodeExited( KProcess* );
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private:
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/**
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* \param 0 - single pass encoding
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* 1 - two pass encoding/first pass
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* 2 - two pass encoding/second pass
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*/
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void startTranscode( int pass );
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void cleanup( bool success );
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K3bVideoDVD::VideoDVD m_dvd;
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TQString m_filename;
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int m_clippingTop;
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int m_clippingBottom;
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int m_clippingLeft;
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int m_clippingRight;
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int m_width;
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int m_height;
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int m_titleNumber;
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int m_audioStreamIndex;
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VideoCodec m_videoCodec;
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AudioCodec m_audioCodec;
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int m_videoBitrate;
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int m_audioBitrate;
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bool m_audioVBR;
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bool m_resampleAudio;
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bool m_twoPassEncoding;
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bool m_lowPriority;
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class Private;
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Private* d;
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};
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#endif
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