void Demuxer::update()
{
std::map<int, std::shared_ptr<Stream> > streams = getStreams();
std::map<int, std::shared_ptr<Stream> >::iterator it;
for(std::pair<int, std::shared_ptr<Stream> > pair : streams)
{
pair.second->update();
}
}
bool YouTubeEnclosureRequest::getEnclosure(const QString &url, const QVariantMap &settings) {
if (status() == Active) {
return false;
}
const QString videoId = url.section(QRegExp("v=|list=|/"), -1).section(QRegExp("&|\\?"), 0, 0);
if (videoId.isEmpty()) {
setErrorString(tr("Cannot extract video ID from URL"));
setResult(Enclosure());
setStatus(Error);
emit finished(this);
return false;
}
m_settings = settings;
m_settings["videoId"] = videoId;
setStatus(Active);
getStreams();
return true;
}
bool OMXReader::open(std::string filename, bool doSkipAvProbe)
{
currentPTS = DVD_NOPTS_VALUE;
fileName = filename;
speed = DVD_PLAYSPEED_NORMAL;
programID = UINT_MAX;
AVIOInterruptCB int_cb = { interrupt_cb, NULL };
ClearStreams();
int result = -1;
AVInputFormat *iformat = NULL;
unsigned char *buffer = NULL;
unsigned int flags = READ_TRUNCATED | READ_BITRATE | READ_CHUNKED;
if(fileName.substr(0, 8) == "shout://" )
fileName.replace(0, 8, "http://");
if(fileName.substr(0,6) == "mms://" || fileName.substr(0,7) == "mmsh://" || fileName.substr(0,7) == "mmst://" || fileName.substr(0,7) == "mmsu://" ||
fileName.substr(0,7) == "http://" ||
fileName.substr(0,7) == "rtmp://" || fileName.substr(0,6) == "udp://" ||
fileName.substr(0,7) == "rtsp://" )
{
doSkipAvProbe = false;
// ffmpeg dislikes the useragent from AirPlay urls
//int idx = fileName.Find("|User-Agent=AppleCoreMedia");
size_t idx = fileName.find("|");
if(idx != string::npos)
fileName = fileName.substr(0, idx);
AVDictionary *d = NULL;
// Enable seeking if http
if(fileName.substr(0,7) == "http://")
{
av_dict_set(&d, "seekable", "1", 0);
}
ofLog(OF_LOG_VERBOSE, "OMXPlayer::OpenFile - avformat_open_input %s ", fileName.c_str());
result = avformat_open_input(&avFormatContext, fileName.c_str(), iformat, &d);
if(av_dict_count(d) == 0)
{
ofLog(OF_LOG_VERBOSE, "OMXPlayer::OpenFile - avformat_open_input enabled SEEKING ");
if(fileName.substr(0,7) == "http://")
avFormatContext->pb->seekable = AVIO_SEEKABLE_NORMAL;
}
av_dict_free(&d);
if(result < 0)
{
ofLog(OF_LOG_ERROR, "OMXPlayer::OpenFile - avformat_open_input %s ", fileName.c_str());
close();
return false;
}
}
else
{
fileObject = new File();
if (!fileObject->open(fileName, flags))
{
ofLog(OF_LOG_ERROR, "OMXPlayer::OpenFile - %s ", fileName.c_str());
close();
return false;
}
buffer = (unsigned char*)av_malloc(FFMPEG_FILE_BUFFER_SIZE);
avioContext = avio_alloc_context(buffer, FFMPEG_FILE_BUFFER_SIZE, 0, fileObject, read_callback, NULL, seek_callback);
avioContext->max_packet_size = 6144;
if(avioContext->max_packet_size)
avioContext->max_packet_size *= FFMPEG_FILE_BUFFER_SIZE / avioContext->max_packet_size;
if(fileObject->IoControl(IOCTRL_SEEK_POSSIBLE, NULL) == 0)
avioContext->seekable = 0;
av_probe_input_buffer(avioContext, &iformat, fileName.c_str(), NULL, 0, 0);
if(!iformat)
{
ofLog(OF_LOG_ERROR, "OMXPlayer::OpenFile - av_probe_input_buffer %s ", fileName.c_str());
close();
return false;
}
//#warning experimental
//iformat->flags |= AVFMT_SEEK_TO_PTS;
avFormatContext = avformat_alloc_context();
avFormatContext->pb = avioContext;
result = avformat_open_input(&avFormatContext, fileName.c_str(), iformat, NULL);
if(result < 0)
{
close();
return false;
}
}
// set the interrupt callback, appeared in libavformat 53.15.0
avFormatContext->interrupt_callback = int_cb;
isMatroska = strncmp(avFormatContext->iformat->name, "matroska", 8) == 0; // for "matroska.webm"
isAVI = strcmp(avFormatContext->iformat->name, "avi") == 0;
// if format can be nonblocking, let's use that
avFormatContext->flags |= AVFMT_FLAG_NONBLOCK;
// analyse very short to speed up mjpeg playback start
if (iformat && (strcmp(iformat->name, "mjpeg") == 0) && avioContext->seekable == 0)
avFormatContext->max_analyze_duration = 500000;
if(/*isAVI || */isMatroska)
avFormatContext->max_analyze_duration = 0;
if(!doSkipAvProbe)
{
unsigned long long startTime = ofGetElapsedTimeMillis();
result = avformat_find_stream_info(avFormatContext, NULL);
unsigned long long endTime = ofGetElapsedTimeMillis();
ofLogNotice(__func__) << "avformat_find_stream_info TOOK " << endTime-startTime << " MS";
if(result < 0)
{
close();
return false;
}
}
if(!getStreams())
{
close();
return false;
}
if(fileObject)
{
int64_t len = fileObject->GetLength();
int64_t tim = getStreamLength();
if(len > 0 && tim > 0)
{
unsigned rate = len * 1000 / tim;
unsigned maxrate = rate + 1024 * 1024 / 8;
if(fileObject->IoControl(IOCTRL_CACHE_SETRATE, &maxrate) >= 0)
ofLog(OF_LOG_VERBOSE, "OMXPlayer::OpenFile - set cache throttle rate to %u bytes per second", maxrate);
}
}
speed = DVD_PLAYSPEED_NORMAL;
/*
if(dump_format)
av_dump_format(avFormatContext, 0, fileName.c_str(), 0);*/
updateCurrentPTS();
isOpen = true;
return true;
}