mirror of
https://github.com/ElvishArtisan/rivendell.git
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Initial import of CVS-v2_8_branch
This commit is contained in:
Fred Gleason
202
web/rdxport/export.cpp
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202
web/rdxport/export.cpp
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// export.cpp
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//
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// Rivendell web service portal -- Export service
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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: export.cpp,v 1.6.2.2 2013/10/02 18:25:12 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 <stdio.h>
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#include <stdint.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 <rdformpost.h>
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#include <rdweb.h>
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#include <rdcart.h>
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#include <rdaudioconvert.h>
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#include <rdsettings.h>
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#include <rdconf.h>
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#include <rdxport.h>
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void Xport::Export()
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{
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RDAudioConvert::ErrorCode conv_err=RDAudioConvert::ErrorOk;
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int resp_code=0;
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//
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// Verify Post
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//
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int cartnum=0;
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if(!xport_post->getValue("CART_NUMBER",&cartnum)) {
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XmlExit("Missing CART_NUMBER",400);
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}
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int cutnum=0;
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if(!xport_post->getValue("CUT_NUMBER",&cutnum)) {
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XmlExit("Missing CUT_NUMBER",400);
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}
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int format=0;
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if(!xport_post->getValue("FORMAT",&format)) {
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XmlExit("Missing FORMAT",400);
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}
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int channels=0;
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if(!xport_post->getValue("CHANNELS",&channels)) {
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XmlExit("Missing CHANNELS",400);
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}
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int sample_rate=0;
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if(!xport_post->getValue("SAMPLE_RATE",&sample_rate)) {
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XmlExit("Missing SAMPLE_RATE",400);
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}
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int bit_rate=0;
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if(!xport_post->getValue("BIT_RATE",&bit_rate)) {
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XmlExit("Missing BIT_RATE",400);
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}
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int quality=0;
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if(!xport_post->getValue("QUALITY",&quality)) {
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XmlExit("Missing QUALITY",400);
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}
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int start_point=-1;
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if(!xport_post->getValue("START_POINT",&start_point)) {
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XmlExit("Missing START_POINT",400);
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}
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int end_point=-1;
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if(!xport_post->getValue("END_POINT",&end_point)) {
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XmlExit("Missing END_POINT",400);
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}
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int normalization_level=0;
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if(!xport_post->getValue("NORMALIZATION_LEVEL",&normalization_level)) {
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XmlExit("Missing NORMALIZATION_LEVEL",400);
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}
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int enable_metadata=false;
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if(!xport_post->getValue("ENABLE_METADATA",&enable_metadata)) {
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XmlExit("Missing ENABLE_METADATA",400);
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}
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if(!RDCart::exists(cartnum)) {
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XmlExit("No such cart",404);
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}
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if(!RDCut::exists(cartnum,cutnum)) {
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XmlExit("No such cut",404);
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}
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//
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// Verify User Perms
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//
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if(!xport_user->cartAuthorized(cartnum)) {
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XmlExit("No such cart",404);
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}
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//
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// Generate Metadata
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//
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RDWaveData *wavedata=NULL;
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float speed_ratio=1.0;
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if(enable_metadata!=0) {
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wavedata=new RDWaveData();
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}
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if(wavedata!=NULL) {
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RDCart *cart=new RDCart(cartnum);
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RDCut *cut=new RDCut(cartnum,cutnum);
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cart->getMetadata(wavedata);
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cut->getMetadata(wavedata);
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if(cart->enforceLength()) {
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speed_ratio=(float)cut->length()/(float)cart->forcedLength();
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}
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delete cut;
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delete cart;
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}
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//
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// Export Cut
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//
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int fd;
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ssize_t n;
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uint8_t data[2048];
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QString tmpdir=RDTempDir();
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QString tmpfile=tmpdir+"/exported_audio";
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RDSettings *settings=new RDSettings();
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settings->setFormat((RDSettings::Format)format);
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settings->setChannels(channels);
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settings->setSampleRate(sample_rate);
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settings->setBitRate(bit_rate);
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settings->setQuality(quality);
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settings->setNormalizationLevel(normalization_level);
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RDAudioConvert *conv=new RDAudioConvert(xport_config->stationName());
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conv->setSourceFile(RDCut::pathName(cartnum,cutnum));
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conv->setDestinationFile(tmpfile);
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conv->setDestinationSettings(settings);
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conv->setDestinationWaveData(wavedata);
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conv->setRange(start_point,end_point);
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conv->setSpeedRatio(speed_ratio);
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switch(conv_err=conv->convert()) {
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case RDAudioConvert::ErrorOk:
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switch(settings->format()) {
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case RDSettings::Pcm16:
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printf("Content-type: audio/x-wav\n\n");
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break;
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case RDSettings::MpegL1:
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case RDSettings::MpegL2:
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case RDSettings::MpegL2Wav:
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case RDSettings::MpegL3:
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printf("Content-type: audio/x-mpeg\n\n");
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break;
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case RDSettings::OggVorbis:
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printf("Content-type: audio/ogg\n\n");
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break;
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case RDSettings::Flac:
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printf("Content-type: audio/flac\n\n");
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break;
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}
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fflush(NULL);
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if((fd=open(tmpfile,O_RDONLY))>=0) {
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while((n=read(fd,data,2048))>0) {
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write(1,data,n);
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}
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}
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close(fd);
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break;
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case RDAudioConvert::ErrorFormatNotSupported:
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case RDAudioConvert::ErrorInvalidSettings:
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resp_code=415;
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break;
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case RDAudioConvert::ErrorNoSource:
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case RDAudioConvert::ErrorNoDestination:
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case RDAudioConvert::ErrorInvalidSource:
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case RDAudioConvert::ErrorNoSpace:
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case RDAudioConvert::ErrorInternal:
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case RDAudioConvert::ErrorNoDisc:
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case RDAudioConvert::ErrorNoTrack:
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case RDAudioConvert::ErrorInvalidSpeed:
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case RDAudioConvert::ErrorFormatError:
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resp_code=500;
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break;
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}
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delete conv;
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delete settings;
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if(wavedata!=NULL) {
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delete wavedata;
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}
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unlink(tmpfile);
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rmdir(tmpdir);
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exit(0);
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}
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