bool OMXReader::Close()
{
if (m_pFormatContext)
{
if (m_ioContext && m_pFormatContext->pb && m_pFormatContext->pb != m_ioContext)
{
CLog::Log(LOGWARNING, "CDVDDemuxFFmpeg::Dispose - demuxer changed our byte context behind our back, possible memleak");
m_ioContext = m_pFormatContext->pb;
}
m_dllAvFormat.avformat_close_input(&m_pFormatContext);
}
if(m_ioContext)
{
m_dllAvUtil.av_free(m_ioContext->buffer);
m_dllAvUtil.av_free(m_ioContext);
}
m_ioContext = NULL;
m_pFormatContext = NULL;
if(m_pFile)
{
m_pFile->Close();
delete m_pFile;
m_pFile = NULL;
}
m_dllAvFormat.avformat_network_deinit();
m_dllAvUtil.Unload();
m_dllAvCodec.Unload();
m_dllAvFormat.Unload();
m_open = false;
m_filename = "";
m_bMatroska = false;
m_bAVI = false;
m_bMpeg = false;
m_video_count = 0;
m_audio_count = 0;
m_subtitle_count = 0;
m_audio_index = -1;
m_video_index = -1;
m_subtitle_index = -1;
m_eof = false;
m_chapter_count = 0;
m_iCurrentPts = DVD_NOPTS_VALUE;
m_speed = DVD_PLAYSPEED_NORMAL;
ClearStreams();
return true;
}
bool OMXReader::close()
{
if (avFormatContext)
{
if (avioContext && avFormatContext->pb && avFormatContext->pb != avioContext)
{
ofLog(OF_LOG_WARNING, "CDVDDemuxFFmpeg::Dispose - demuxer changed our byte context behind our back, possible memleak");
avioContext = avFormatContext->pb;
}
avformat_close_input(&avFormatContext);
}
if(avioContext)
{
av_free(avioContext->buffer);
av_free(avioContext);
}
avioContext = NULL;
avFormatContext = NULL;
if(fileObject)
{
fileObject->close();
delete fileObject;
fileObject = NULL;
}
isOpen = false;
fileName = "";
isMatroska = false;
isAVI = false;
videoCount = 0;
audioCount = 0;
subtitleCount = 0;
audioIndex = -1;
videoIndex = -1;
subtitleIndex = -1;
isEOF = false;
chapterCount = 0;
currentPTS = DVD_NOPTS_VALUE;
speed = DVD_PLAYSPEED_NORMAL;
ClearStreams();
return true;
}
OMXReader::OMXReader()
{
m_open = false;
m_filename = "";
m_bMatroska = false;
m_bAVI = false;
g_abort = false;
m_pFile = NULL;
m_ioContext = NULL;
m_pFormatContext = NULL;
m_eof = false;
m_chapter_count = 0;
m_iCurrentPts = DVD_NOPTS_VALUE;
for(int i = 0; i < MAX_STREAMS; i++)
m_streams[i].extradata = NULL;
ClearStreams();
pthread_mutex_init(&m_lock, NULL);
}
OMXReader::OMXReader()
{
isOpen = false;
fileName = "";
isMatroska = false;
isAVI = false;
fileObject = NULL;
avioContext = NULL;
avFormatContext = NULL;
isEOF = false;
chapterCount = 0;
currentPTS = DVD_NOPTS_VALUE;
for(int i = 0; i < MAX_STREAMS; i++)
{
omxStreams[i].extradata = NULL;
}
ClearStreams();
pthread_mutex_init(&m_lock, NULL);
}
Multiplexer::~Multiplexer()
{
ClearStreams();
delete m_pdatastreams;
}
bool OMXReader::GetStreams()
{
if(!m_pFormatContext)
return false;
unsigned int m_program = UINT_MAX;
ClearStreams();
if (m_pFormatContext->nb_programs)
{
// look for first non empty stream and discard nonselected programs
for (unsigned int i = 0; i < m_pFormatContext->nb_programs; i++)
{
if(m_program == UINT_MAX && m_pFormatContext->programs[i]->nb_stream_indexes > 0)
m_program = i;
if(i != m_program)
m_pFormatContext->programs[i]->discard = AVDISCARD_ALL;
}
if(m_program != UINT_MAX)
{
// add streams from selected program
for (unsigned int i = 0; i < m_pFormatContext->programs[m_program]->nb_stream_indexes; i++)
AddStream(m_pFormatContext->programs[m_program]->stream_index[i]);
}
}
// if there were no programs or they were all empty, add all streams
if (m_program == UINT_MAX)
{
for (unsigned int i = 0; i < m_pFormatContext->nb_streams; i++)
AddStream(i);
}
if(m_video_count)
SetActiveStreamInternal(OMXSTREAM_VIDEO, 0);
if(m_audio_count)
SetActiveStreamInternal(OMXSTREAM_AUDIO, 0);
if(m_subtitle_count)
SetActiveStreamInternal(OMXSTREAM_SUBTITLE, 0);
int i = 0;
for(i = 0; i < MAX_OMX_CHAPTERS; i++)
{
m_chapters[i].name = "";
m_chapters[i].seekto_ms = 0;
m_chapters[i].ts = 0;
}
m_chapter_count = 0;
if(m_video_index != -1)
{
//m_current_chapter = 0;
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(52,14,0)
m_chapter_count = (m_pFormatContext->nb_chapters > MAX_OMX_CHAPTERS) ? MAX_OMX_CHAPTERS : m_pFormatContext->nb_chapters;
for(i = 0; i < m_chapter_count; i++)
{
if(i > MAX_OMX_CHAPTERS)
break;
AVChapter *chapter = m_pFormatContext->chapters[i];
if(!chapter)
continue;
//m_chapters[i].seekto_ms = ConvertTimestamp(chapter->start, chapter->time_base.den, chapter->time_base.num) / 1000;
m_chapters[i].seekto_ms = ConvertTimestamp(chapter->start, &chapter->time_base) / 1000;
m_chapters[i].ts = m_chapters[i].seekto_ms / 1000;
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(52,83,0)
AVDictionaryEntry *titleTag = m_dllAvUtil.av_dict_get(m_pFormatContext->chapters[i]->metadata,"title", NULL, 0);
if (titleTag)
m_chapters[i].name = titleTag->value;
#else
if(m_pFormatContext->chapters[i]->title)
m_chapters[i].name = m_pFormatContext->chapters[i]->title;
#endif
printf("Chapter : \t%d \t%s \t%8.2f\n", i, m_chapters[i].name.c_str(), m_chapters[i].ts);
}
}
#endif
return true;
}
bool OMXReader::Open(std::string filename, bool dump_format)
{
if (!m_dllAvUtil.Load() || !m_dllAvCodec.Load() || !m_dllAvFormat.Load())
return false;
m_iCurrentPts = DVD_NOPTS_VALUE;
m_filename = filename;
m_speed = DVD_PLAYSPEED_NORMAL;
m_program = UINT_MAX;
const AVIOInterruptCB int_cb = { interrupt_cb, NULL };
ClearStreams();
m_dllAvFormat.av_register_all();
m_dllAvFormat.avformat_network_init();
m_dllAvUtil.av_log_set_level(AV_LOG_QUIET);
int result = -1;
AVInputFormat *iformat = NULL;
unsigned char *buffer = NULL;
unsigned int flags = READ_TRUNCATED | READ_BITRATE | READ_CHUNKED;
#ifndef STANDALONE
if( CFileItem(m_filename, false).IsInternetStream() )
flags |= READ_CACHED;
#endif
if(m_filename.substr(0, 8) == "shout://" )
m_filename.replace(0, 8, "http://");
if(m_filename.substr(0,6) == "mms://" || m_filename.substr(0,7) == "http://" ||
m_filename.substr(0,7) == "rtmp://" || m_filename.substr(0,6) == "udp://")
{
// ffmpeg dislikes the useragent from AirPlay urls
//int idx = m_filename.Find("|User-Agent=AppleCoreMedia");
size_t idx = m_filename.find("|");
if(idx != string::npos)
m_filename = m_filename.substr(0, idx);
result = m_dllAvFormat.avformat_open_input(&m_pFormatContext, m_filename.c_str(), iformat, NULL);
if(result < 0)
{
CLog::Log(LOGERROR, "COMXPlayer::OpenFile - avformat_open_input %s ", m_filename.c_str());
Close();
return false;
}
}
else
{
m_pFile = new CFile();
if (!m_pFile->Open(m_filename, flags))
{
CLog::Log(LOGERROR, "COMXPlayer::OpenFile - %s ", m_filename.c_str());
Close();
return false;
}
buffer = (unsigned char*)m_dllAvUtil.av_malloc(FFMPEG_FILE_BUFFER_SIZE);
m_ioContext = m_dllAvFormat.avio_alloc_context(buffer, FFMPEG_FILE_BUFFER_SIZE, 0, m_pFile, dvd_file_read, NULL, dvd_file_seek);
m_ioContext->max_packet_size = 6144;
if(m_ioContext->max_packet_size)
m_ioContext->max_packet_size *= FFMPEG_FILE_BUFFER_SIZE / m_ioContext->max_packet_size;
if(m_pFile->IoControl(IOCTRL_SEEK_POSSIBLE, NULL) == 0)
m_ioContext->seekable = 0;
m_dllAvFormat.av_probe_input_buffer(m_ioContext, &iformat, m_filename.c_str(), NULL, 0, 0);
if(!iformat)
{
CLog::Log(LOGERROR, "COMXPlayer::OpenFile - av_probe_input_buffer %s ", m_filename.c_str());
Close();
return false;
}
m_pFormatContext = m_dllAvFormat.avformat_alloc_context();
m_pFormatContext->pb = m_ioContext;
result = m_dllAvFormat.avformat_open_input(&m_pFormatContext, m_filename.c_str(), iformat, NULL);
if(result < 0)
{
Close();
return false;
}
}
// set the interrupt callback, appeared in libavformat 53.15.0
m_pFormatContext->interrupt_callback = int_cb;
m_bMatroska = strncmp(m_pFormatContext->iformat->name, "matroska", 8) == 0; // for "matroska.webm"
m_bAVI = strcmp(m_pFormatContext->iformat->name, "avi") == 0;
m_bMpeg = strcmp(m_pFormatContext->iformat->name, "mpeg") == 0;
// if format can be nonblocking, let's use that
m_pFormatContext->flags |= AVFMT_FLAG_NONBLOCK;
// analyse very short to speed up mjpeg playback start
if (iformat && (strcmp(iformat->name, "mjpeg") == 0) && m_ioContext->seekable == 0)
m_pFormatContext->max_analyze_duration = 500000;
#ifdef STANDALONE
if(/*m_bAVI || */m_bMatroska)
m_pFormatContext->max_analyze_duration = 0;
#endif
result = m_dllAvFormat.avformat_find_stream_info(m_pFormatContext, NULL);
if(result < 0)
{
Close();
return false;
}
if(!GetStreams())
{
Close();
return false;
}
if(m_pFile)
{
int64_t len = m_pFile->GetLength();
int64_t tim = GetStreamLength();
if(len > 0 && tim > 0)
{
unsigned rate = len * 1000 / tim;
unsigned maxrate = rate + 1024 * 1024 / 8;
if(m_pFile->IoControl(IOCTRL_CACHE_SETRATE, &maxrate) >= 0)
CLog::Log(LOGDEBUG, "COMXPlayer::OpenFile - set cache throttle rate to %u bytes per second", maxrate);
}
}
printf("file : %s reult %d format %s audio streams %d video streams %d chapters %d subtitles %d\n",
m_filename.c_str(), result, m_pFormatContext->iformat->name, m_audio_count, m_video_count, m_chapter_count, m_subtitle_count);
m_speed = DVD_PLAYSPEED_NORMAL;
if(dump_format)
m_dllAvFormat.av_dump_format(m_pFormatContext, 0, m_filename.c_str(), 0);
UpdateCurrentPTS();
m_open = true;
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;
}
bool OMXReader::getStreams()
{
if(!avFormatContext)
return false;
unsigned int programID = UINT_MAX;
ClearStreams();
if (avFormatContext->nb_programs)
{
// look for first non empty stream and discard nonselected programs
for (unsigned int i = 0; i < avFormatContext->nb_programs; i++)
{
if(programID == UINT_MAX && avFormatContext->programs[i]->nb_stream_indexes > 0)
programID = i;
if(i != programID)
avFormatContext->programs[i]->discard = AVDISCARD_ALL;
}
if(programID != UINT_MAX)
{
// add streams from selected program
for (unsigned int i = 0; i < avFormatContext->programs[programID]->nb_stream_indexes; i++)
addStream(avFormatContext->programs[programID]->stream_index[i]);
}
}
// if there were no programs or they were all empty, add all streams
if (programID == UINT_MAX)
{
for (unsigned int i = 0; i < avFormatContext->nb_streams; i++)
addStream(i);
}
if(videoCount)
setActiveStreamInternal(OMXSTREAM_VIDEO, 0);
if(audioCount)
setActiveStreamInternal(OMXSTREAM_AUDIO, 0);
if(subtitleCount)
setActiveStreamInternal(OMXSTREAM_SUBTITLE, 0);
int i = 0;
for(i = 0; i < MAX_OMX_CHAPTERS; i++)
{
omxChapters[i].name = "";
omxChapters[i].seekto_ms = 0;
omxChapters[i].ts = 0;
}
chapterCount = 0;
if(videoIndex != -1)
{
//m_current_chapter = 0;
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(52,14,0)
chapterCount = (avFormatContext->nb_chapters > MAX_OMX_CHAPTERS) ? MAX_OMX_CHAPTERS : avFormatContext->nb_chapters;
for(i = 0; i < chapterCount; i++)
{
if(i > MAX_OMX_CHAPTERS)
break;
AVChapter *chapter = avFormatContext->chapters[i];
if(!chapter)
continue;
omxChapters[i].seekto_ms = ConvertTimestamp(chapter->start, chapter->time_base.den, chapter->time_base.num) / 1000;
omxChapters[i].ts = omxChapters[i].seekto_ms / 1000;
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(52,83,0)
AVDictionaryEntry *titleTag = av_dict_get(avFormatContext->chapters[i]->metadata,"title", NULL, 0);
if (titleTag)
omxChapters[i].name = titleTag->value;
#else
if(avFormatContext->chapters[i]->title)
omxChapters[i].name = avFormatContext->chapters[i]->title;
#endif
printf("Chapter : \t%d \t%s \t%8.2f\n", i, omxChapters[i].name.c_str(), omxChapters[i].ts);
}
}
#endif
return true;
}
bool OMXReader::Open(std::string filename, bool dump_format, bool live /* =false */, float timeout /* = 0.0f */, std::string cookie /* = "" */, std::string user_agent /* = "" */)
{
if (!m_dllAvUtil.Load() || !m_dllAvCodec.Load() || !m_dllAvFormat.Load())
return false;
timeout_default_duration = (int64_t) (timeout * 1e9);
m_iCurrentPts = DVD_NOPTS_VALUE;
m_filename = filename;
m_speed = DVD_PLAYSPEED_NORMAL;
m_program = UINT_MAX;
const AVIOInterruptCB int_cb = { interrupt_cb, NULL };
RESET_TIMEOUT(3);
ClearStreams();
m_dllAvFormat.av_register_all();
m_dllAvFormat.avformat_network_init();
m_dllAvUtil.av_log_set_level(dump_format ? AV_LOG_INFO:AV_LOG_QUIET);
int result = -1;
AVInputFormat *iformat = NULL;
unsigned char *buffer = NULL;
unsigned int flags = READ_TRUNCATED | READ_BITRATE | READ_CHUNKED;
m_pFormatContext = m_dllAvFormat.avformat_alloc_context();
if (!m_pFormatContext) {
log_err("Failed to create format context.");
return false;
}
// set the interrupt callback, appeared in libavformat 53.15.0
m_pFormatContext->interrupt_callback = int_cb;
// if format can be nonblocking, let's use that
m_pFormatContext->flags |= AVFMT_FLAG_NONBLOCK;
if(m_filename.substr(0, 8) == "shout://" )
m_filename.replace(0, 8, "http://");
if(m_filename.substr(0,6) == "mms://" || m_filename.substr(0,7) == "mmsh://" || m_filename.substr(0,7) == "mmst://" || m_filename.substr(0,7) == "mmsu://" ||
m_filename.substr(0,7) == "http://" || m_filename.substr(0,8) == "https://" ||
m_filename.substr(0,7) == "rtmp://" || m_filename.substr(0,6) == "udp://" ||
m_filename.substr(0,7) == "rtsp://" || m_filename.substr(0,6) == "rtp://" ||
m_filename.substr(0,6) == "ftp://" || m_filename.substr(0,7) == "sftp://" ||
m_filename.substr(0,6) == "smb://")
{
// ffmpeg dislikes the useragent from AirPlay urls
//int idx = m_filename.Find("|User-Agent=AppleCoreMedia");
size_t idx = m_filename.find("|");
if(idx != string::npos)
m_filename = m_filename.substr(0, idx);
AVDictionary *d = NULL;
// Enable seeking if http, ftp
if(!live && (m_filename.substr(0,7) == "http://" || m_filename.substr(0,6) == "ftp://" ||
m_filename.substr(0,7) == "sftp://" || m_filename.substr(0,6) == "smb://"))
{
av_dict_set(&d, "seekable", "1", 0);
if(!cookie.empty())
{
av_dict_set(&d, "cookies", cookie.c_str(), 0);
}
if(!user_agent.empty())
{
av_dict_set(&d, "user_agent", user_agent.c_str(), 0);
}
}
CLog::Log(LOGDEBUG, "COMXPlayer::OpenFile - avformat_open_input %s ", m_filename.c_str());
result = m_dllAvFormat.avformat_open_input(&m_pFormatContext, m_filename.c_str(), iformat, &d);
if(av_dict_count(d) == 0)
{
CLog::Log(LOGDEBUG, "COMXPlayer::OpenFile - avformat_open_input enabled SEEKING ");
if(m_filename.substr(0,7) == "http://")
m_pFormatContext->pb->seekable = AVIO_SEEKABLE_NORMAL;
}
av_dict_free(&d);
if(result < 0)
{
CLog::Log(LOGERROR, "COMXPlayer::OpenFile - avformat_open_input %s ", m_filename.c_str());
Close();
return false;
}
}
else
{
m_pFile = new CFile();
if (!m_pFile->Open(m_filename, flags))
{
CLog::Log(LOGERROR, "COMXPlayer::OpenFile - %s ", m_filename.c_str());
Close();
return false;
}
buffer = (unsigned char*)m_dllAvUtil.av_malloc(FFMPEG_FILE_BUFFER_SIZE);
m_ioContext = m_dllAvFormat.avio_alloc_context(buffer, FFMPEG_FILE_BUFFER_SIZE, 0, m_pFile, dvd_file_read, NULL, dvd_file_seek);
if (!m_ioContext) {
log_err("Failed to create avio context.");
return false;
}
m_ioContext->max_packet_size = 6144;
if(m_ioContext->max_packet_size)
m_ioContext->max_packet_size *= FFMPEG_FILE_BUFFER_SIZE / m_ioContext->max_packet_size;
if(m_pFile->IoControl(IOCTRL_SEEK_POSSIBLE, NULL) == 0)
m_ioContext->seekable = 0;
m_dllAvFormat.av_probe_input_buffer(m_ioContext, &iformat, m_filename.c_str(), NULL, 0, 0);
if(!iformat)
{
CLog::Log(LOGERROR, "COMXPlayer::OpenFile - av_probe_input_buffer %s ", m_filename.c_str());
Close();
return false;
}
m_pFormatContext->pb = m_ioContext;
if (!m_pFormatContext->internal) {
log_err("AVFormat internal null.");
abort();
}
result = m_dllAvFormat.avformat_open_input(&m_pFormatContext, m_filename.c_str(), iformat, NULL);
if(result < 0)
{
Close();
return false;
}
}
m_bMatroska = strncmp(m_pFormatContext->iformat->name, "matroska", 8) == 0; // for "matroska.webm"
m_bAVI = strcmp(m_pFormatContext->iformat->name, "avi") == 0;
// analyse very short to speed up mjpeg playback start
if (iformat && (strcmp(iformat->name, "mjpeg") == 0) && m_ioContext->seekable == 0)
m_pFormatContext->max_analyze_duration = 500000;
if(/*m_bAVI || */m_bMatroska)
m_pFormatContext->max_analyze_duration = 0;
if (live)
m_pFormatContext->flags |= AVFMT_FLAG_NOBUFFER;
result = m_dllAvFormat.avformat_find_stream_info(m_pFormatContext, NULL);
if(result < 0)
{
Close();
return false;
}
if(!GetStreams())
{
Close();
return false;
}
if(m_pFile)
{
int64_t len = m_pFile->GetLength();
int64_t tim = GetStreamLength();
if(len > 0 && tim > 0)
{
unsigned rate = len * 1000 / tim;
unsigned maxrate = rate + 1024 * 1024 / 8;
if(m_pFile->IoControl(IOCTRL_CACHE_SETRATE, &maxrate) >= 0)
CLog::Log(LOGDEBUG, "COMXPlayer::OpenFile - set cache throttle rate to %u bytes per second", maxrate);
}
}
m_speed = DVD_PLAYSPEED_NORMAL;
if(dump_format)
m_dllAvFormat.av_dump_format(m_pFormatContext, 0, m_filename.c_str(), 0);
UpdateCurrentPTS();
m_open = true;
return true;
}
