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project/fm_viewer/fav/AVError.cpp
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230
project/fm_viewer/fav/AVError.cpp
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/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2013)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#include "AVError.h"
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#include "AVCompat.h"
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#ifndef QT_NO_DEBUG_STREAM
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#include <QtCore/qdebug.h>
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#endif
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namespace FAV {
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namespace
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{
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class RegisterMetaTypes
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{
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public:
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RegisterMetaTypes()
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{
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qRegisterMetaType<FAV::AVError>("FAV::AVError");
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}
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} _registerMetaTypes;
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}
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static AVError::ErrorCode errorFromFFmpeg(int fe)
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{
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typedef struct {
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int ff;
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AVError::ErrorCode e;
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} err_entry;
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static const err_entry err_map[] = {
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{ AVERROR_BSF_NOT_FOUND, AVError::FormatError },
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#ifdef AVERROR_BUFFER_TOO_SMALL
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{ AVERROR_BUFFER_TOO_SMALL, AVError::ResourceError },
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#endif //AVERROR_BUFFER_TOO_SMALL
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{ AVERROR_DECODER_NOT_FOUND, AVError::CodecError },
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{ AVERROR_ENCODER_NOT_FOUND, AVError::CodecError },
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{ AVERROR_DEMUXER_NOT_FOUND, AVError::FormatError },
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{ AVERROR_MUXER_NOT_FOUND, AVError::FormatError },
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{ AVERROR_PROTOCOL_NOT_FOUND, AVError::ResourceError },
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{ AVERROR_STREAM_NOT_FOUND, AVError::ResourceError },
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{ 0, AVError::UnknowError }
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};
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for (int i = 0; err_map[i].ff; ++i) {
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if (err_map[i].ff == fe)
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return err_map[i].e;
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}
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return AVError::UnknowError;
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}
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/*
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* correct wrong AVError to a right category by ffmpeg error code
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* does nothing if ffmpeg error code is 0
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*/
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static void correct_error_by_ffmpeg(AVError::ErrorCode *e, int fe)
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{
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if (!fe || !e)
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return;
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const AVError::ErrorCode ec = errorFromFFmpeg(fe);
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if (*e > ec)
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*e = ec;
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}
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AVError::AVError()
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: mError(NoError)
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, mFFmpegError(0)
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{
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}
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AVError::AVError(ErrorCode code, int ffmpegError)
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: mError(code)
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, mFFmpegError(ffmpegError)
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{
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correct_error_by_ffmpeg(&mError, mFFmpegError);
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}
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AVError::AVError(ErrorCode code, const QString &detail, int ffmpegError)
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: mError(code)
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, mFFmpegError(ffmpegError)
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, mDetail(detail)
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{
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correct_error_by_ffmpeg(&mError, mFFmpegError);
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}
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AVError::AVError(const AVError& other)
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: mError(other.mError)
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, mFFmpegError(other.mFFmpegError)
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, mDetail(other.mDetail)
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{
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}
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AVError& AVError::operator=(const AVError& other)
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{
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mError = other.mError;
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mFFmpegError = other.mFFmpegError;
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return *this;
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}
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bool AVError::operator==(const AVError& other) const
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{
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return (mError == other.mError && mFFmpegError == other.mFFmpegError);
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}
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void AVError::setError(ErrorCode ec)
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{
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mError = ec;
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}
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AVError::ErrorCode AVError::error() const
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{
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return mError;
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}
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QString AVError::string() const
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{
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QString errStr(mDetail);
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if (errStr.isEmpty()) {
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switch (mError) {
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case NoError:
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errStr = "No error";
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break;
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case OpenError:
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errStr = "Open error";
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break;
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case OpenTimedout:
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errStr = "Open timed out";
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break;
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case ParseStreamTimedOut:
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errStr = "Parse stream timed out";
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break;
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case ParseStreamError:
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errStr = "Parse stream error";
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break;
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case StreamNotFound:
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errStr = "Stream not found";
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break;
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case ReadTimedout:
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errStr = "Read packet timed out";
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break;
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case ReadError:
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errStr = "Read error";
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break;
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case SeekError:
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errStr = "Seek error";
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break;
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case ResourceError:
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errStr = "Resource error";
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break;
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case OpenCodecError:
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errStr = "Open codec error";
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break;
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case CloseCodecError:
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errStr = "Close codec error";
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break;
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case VideoCodecNotFound:
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errStr = "Video codec not found";
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break;
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case AudioCodecNotFound:
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errStr = "Audio codec not found";
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break;
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case SubtitleCodecNotFound:
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errStr = "Subtitle codec not found";
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break;
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case CodecError:
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errStr = "Codec error";
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break;
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case FormatError:
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errStr = "Format error";
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break;
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case NetworkError:
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errStr = "Network error";
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break;
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case AccessDenied:
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errStr = "Access denied";
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break;
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default:
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errStr = "Unknow error";
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break;
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}
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}
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if (mFFmpegError != 0) {
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errStr += QStringLiteral("\n(FFmpeg %1: %2)").arg(mFFmpegError, 0, 16).arg(ffmpegErrorString());
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}
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return errStr;
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}
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int AVError::ffmpegErrorCode() const
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{
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return mFFmpegError;
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}
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QString AVError::ffmpegErrorString() const
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{
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if (mFFmpegError == 0)
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return QString();
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return QString::fromUtf8(av_err2str(mFFmpegError));
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}
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} //namespace FAV
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#ifndef QT_NO_DEBUG_STREAM
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//class QDebug;
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QDebug operator<<(QDebug debug, const FAV::AVError &error)
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{
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debug << error.string();
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return debug;
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}
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#endif
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