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https://github.com/ElvishArtisan/rivendell.git
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Initial import of CVS-v2_8_branch
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252
lib/rdtrimaudio.cpp
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252
lib/rdtrimaudio.cpp
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// rdtrimaudio.cpp
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//
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// Get the trim points for an audio cut.
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//
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// (C) Copyright 2010 Fred Gleason <fredg@paravelsystems.com>
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//
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// $Id: rdtrimaudio.cpp,v 1.6.4.3 2014/01/16 02:44:59 cvs Exp $
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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 version 2 as
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// published by the Free Software Foundation.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <math.h>
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#include <curl/curl.h>
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#include <qstringlist.h>
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#include <rd.h>
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#include <rdxport_interface.h>
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#include <rdformpost.h>
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#include <rdtrimaudio.h>
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size_t RDTrimAudioCallback(void *ptr,size_t size,size_t nmemb,void *userdata)
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{
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QString *xml=(QString *)userdata;
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for(unsigned i=0;i<(size*nmemb);i++) {
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*xml+=((const char *)ptr)[i];
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}
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return size*nmemb;
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}
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RDTrimAudio::RDTrimAudio(RDStation *station,RDConfig *config,
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QObject *parent,const char *name)
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: QObject(parent,name)
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{
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conv_station=station;
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conv_config=config;
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conv_cart_number=0;
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conv_cut_number=0;
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conv_start_point=-1;
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conv_end_point=-1;
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}
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int RDTrimAudio::startPoint() const
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{
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return conv_start_point;
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}
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int RDTrimAudio::endPoint() const
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{
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return conv_end_point;
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}
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void RDTrimAudio::setCartNumber(unsigned cartnum)
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{
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conv_cart_number=cartnum;
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}
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void RDTrimAudio::setCutNumber(unsigned cutnum)
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{
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conv_cut_number=cutnum;
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}
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void RDTrimAudio::setTrimLevel(int lvl)
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{
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conv_trim_level=lvl;
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}
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RDTrimAudio::ErrorCode RDTrimAudio::runTrim(const QString &username,
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const QString &password)
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{
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long response_code;
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CURL *curl=NULL;
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char url[1024];
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CURLcode curl_err;
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//
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// Generate POST Data
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//
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QString post=QString().sprintf("COMMAND=%d&LOGIN_NAME=%s&PASSWORD=%s&CART_NUMBER=%u&CUT_NUMBER=%u&TRIM_LEVEL=%d",
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RDXPORT_COMMAND_TRIMAUDIO,
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(const char *)RDFormPost::urlEncode(username),
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(const char *)RDFormPost::urlEncode(password),
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conv_cart_number,
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conv_cut_number,
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conv_trim_level);
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if((curl=curl_easy_init())==NULL) {
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return RDTrimAudio::ErrorInternal;
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}
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//
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// Write out URL as a C string before passing to curl_easy_setopt(),
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// otherwise some versions of LibCurl will throw a 'bad/illegal format'
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// error.
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//
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strncpy(url,conv_station->webServiceUrl(conv_config),1024);
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curl_easy_setopt(curl,CURLOPT_URL,url);
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curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,RDTrimAudioCallback);
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curl_easy_setopt(curl,CURLOPT_WRITEDATA,&conv_xml);
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curl_easy_setopt(curl,CURLOPT_POST,1);
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curl_easy_setopt(curl,CURLOPT_POSTFIELDS,(const char *)post);
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curl_easy_setopt(curl,CURLOPT_TIMEOUT,RD_CURL_TIMEOUT);
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switch(curl_err=curl_easy_perform(curl)) {
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case CURLE_OK:
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break;
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case CURLE_UNSUPPORTED_PROTOCOL:
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case CURLE_FAILED_INIT:
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case CURLE_COULDNT_RESOLVE_PROXY:
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case CURLE_PARTIAL_FILE:
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case CURLE_HTTP_RETURNED_ERROR:
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case CURLE_WRITE_ERROR:
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case CURLE_OUT_OF_MEMORY:
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case CURLE_OPERATION_TIMEDOUT:
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case CURLE_HTTP_POST_ERROR:
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//fprintf(stderr,"CURL Error: %s [%d]\n",curl_easy_strerror(curl_err),
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//curl_err);
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curl_easy_cleanup(curl);
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return RDTrimAudio::ErrorInternal;
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case CURLE_URL_MALFORMAT:
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case CURLE_COULDNT_RESOLVE_HOST:
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case CURLE_COULDNT_CONNECT:
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case 9: // CURLE_REMOTE_ACCESS_DENIED
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curl_easy_cleanup(curl);
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return RDTrimAudio::ErrorUrlInvalid;
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}
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curl_easy_getinfo(curl,CURLINFO_RESPONSE_CODE,&response_code);
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curl_easy_cleanup(curl);
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switch(response_code) {
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case 200:
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//printf("XML: %s\n",(const char *)conv_xml);
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break;
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case 404:
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return RDTrimAudio::ErrorNoAudio;
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default:
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return RDTrimAudio::ErrorService;
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}
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conv_start_point=ParsePoint("startTrimPoint",conv_xml);
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conv_end_point=ParsePoint("endTrimPoint",conv_xml);
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return RDTrimAudio::ErrorOk;
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}
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QString RDTrimAudio::errorText(RDTrimAudio::ErrorCode err)
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{
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QString ret=QString().sprintf("Unknown Error [%u]",err);
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switch(err) {
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case RDTrimAudio::ErrorOk:
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ret=tr("OK");
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break;
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case RDTrimAudio::ErrorInternal:
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ret=tr("Internal Error");
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break;
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case RDTrimAudio::ErrorUrlInvalid:
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ret=tr("Invalid URL");
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break;
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case RDTrimAudio::ErrorService:
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ret=tr("RDXport service returned an error");
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break;
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case RDTrimAudio::ErrorInvalidUser:
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ret=tr("Invalid user or password");
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break;
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case RDTrimAudio::ErrorNoAudio:
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ret=tr("No audio data");
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break;
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}
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return ret;
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}
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bool RDTrimAudio::ParseXml(const QString &xml)
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{
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//
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// FIXME: This is totally ad-hoc, but should work until we settle on
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// a proper XML parser.
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//
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bool ret=false;
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QStringList list=list.split("\n",xml);
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for(unsigned i=0;i<list.size();i++) {
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if(list[i].contains("startTrimPoint")) {
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QStringList list2=list.split("<",list[i]);
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if(list2.size()>=2) {
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list2=list2.split(">",list2[1]);
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if(list2.size()>=2) {
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conv_start_point=list2[1].toInt();
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ret=true;
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}
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}
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}
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}
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return ret;
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}
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int RDTrimAudio::ParsePoint(const QString &tag,const QString &xml)
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{
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//
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// FIXME: This is totally ad-hoc, but should work until we settle on
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// a proper XML parser.
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//
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QStringList list=list.split("\n",xml);
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for(unsigned i=0;i<list.size();i++) {
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if(list[i].contains(tag)) {
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QStringList list2=list.split("<",list[i]);
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if(list2.size()>=2) {
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list2=list2.split(">",list2[1]);
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if(list2.size()>=2) {
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return list2[1].toInt();
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}
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}
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}
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}
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return -1;
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}
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