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#include "FLVReader.h"
#include "FLVHeader.h"
#include "FLVStreamheader.h"
#include "BackgroundDownloader.h"
#include "../nu/AutoChar.h"
#include "FileProcessor.h"
#include "ProgressiveProcessor.h"
#include "StreamProcessor.h"
#include "../../..\Components\wac_network\wac_network_http_receiver_api.h"
#include <shlwapi.h>
FLVReader::FLVReader(const wchar_t *_url)
{
processor = 0;
url = _wcsdup(_url);
end_of_stream=false;
killswitch=false;
DWORD threadId;
flvThread=CreateThread(NULL, NULL, ParserThreadStub, this, 0, &threadId);
SetThreadPriority(flvThread, THREAD_PRIORITY_BELOW_NORMAL);
}
FLVReader::~FLVReader()
{
free(url);
delete processor;
}
uint64_t FLVReader::Seek(uint64_t position)
{
if (processor)
return processor->Seek(position);
else
return -1;
}
size_t FLVReader::Read(void *data, size_t bytes)
{
if (processor)
return processor->Read(data, bytes);
else
return 0;
}
uint64_t FLVReader::GetProcessedPosition()
{
if (processor)
return processor->GetProcessedPosition();
else
return 0;
}
void FLVReader::ProcessFile()
{
if (!processor)
return;
while (processor->Process() == FLV_OK)
{
if (killswitch)
return ;
}
}
int FLVReader::OnConnect(api_httpreceiver *http)
{
if (http->content_length())
processor = new ProgressiveProcessor;
else
processor = new StreamProcessor;
return 0;
}
int FLVReader::OnData(void *data, size_t datalen)
{
if (!processor)
return 1;
bool needSleep=false;
while (datalen)
{
if (killswitch)
return 1;
if (needSleep)
{
Sleep(10);
needSleep=false;
}
size_t written=0;
switch (processor->Write(data, datalen, &written))
{
case FLVPROCESSOR_WRITE_ERROR:
return 1;
case FLVPROCESSOR_WRITE_WAIT:
needSleep=true;
break;
}
datalen -= written;
if (written)
{
while (1)
{
if (killswitch)
return 1;
int ret = processor->Process();
if (ret == FLV_OK)
continue;
if (ret == FLV_NEED_MORE_DATA)
break;
if (ret == FLV_ERROR)
return 1;
}
}
}
return !!killswitch;
}
bool FLVReader::GetFrame(size_t frameIndex, FrameData &frameData)
{
if (processor)
return processor->GetFrame(frameIndex, frameData);
else
return false;
}
/*
Test URLs (valid of as oct 23 2007)
http://pdl.stream.aol.com/aol/us/aolmusic/artists/astralwerks/2220s/2220s_shootyourgun_hakjfh_700_dl.flv
http://pdl.stream.aol.com/aol/us/aolmusic/sessions/2007/amberpacific/suc_amberpacific_fallbackintomylife_700_dl.flv
http://pdl.stream.aol.com/aol/us/aolmusic/sessions/2007/amberpacific/suc_amberpacific_gonesoyoung_700_dl.flv
http://pdl.stream.aol.com/aol/us/aolmusic/sessions/2007/amberpacific/suc_amberpacific_soyesterday_700_dl.flv
http://pdl.stream.aol.com/aol/us/aolmusic/sessions/2007/amberpacific/suc_amberpacific_watchingoverme_700_dl.flv
a potential crasher:
http://pdl.stream.aol.com/aol/us/aolcomvideo/TVGuide/johncmcginley_6346/johncmcginley_6346_460_700_dl.flv
FLV streams:
http://208.80.52.96/CBS_R20_452P_F128?ext=.flv
http://208.80.54.37/KROQFM?ext=.flv
http://208.80.52.96/CBS_R20_568P_F128?ext=.flv
*/
DWORD FLVReader::ParserThread()
{
if (PathIsURL(url))
{
Downloader downloader;
downloader.Download(AutoChar(url), this);
}
else
{
processor = new FileProcessor(url);
ProcessFile();
}
end_of_stream=true;
return 0;
}
void FLVReader::Kill()
{
killswitch=true;
WaitForSingleObject(flvThread, INFINITE);
CloseHandle(flvThread);
}
void FLVReader::SignalKill()
{
killswitch=true;
}
bool FLVReader::IsEOF()
{
return end_of_stream;
}
bool FLVReader::GetPosition(int time_in_ms, size_t *frameIndex, bool needVideoKeyFrame)
{
if (processor)
return processor->GetPosition(time_in_ms, frameIndex, needVideoKeyFrame);
else
return false;
}
uint32_t FLVReader::GetMaxTimestamp()
{
if (processor)
return processor->GetMaxTimestamp();
else
return 0;
}
bool FLVReader::IsStreaming()
{
if (processor)
return processor->IsStreaming();
else
return true;
}
FLVHeader *FLVReader::GetHeader()
{
if (processor)
return processor->GetHeader();
else
return 0;
}
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