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DVDDemuxFFmpeg.cpp
2479 lines (2177 loc) · 77.3 KB
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DVDDemuxFFmpeg.cpp
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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "DVDDemuxFFmpeg.h"
#include "DVDDemuxUtils.h"
#include "DVDInputStreams/DVDInputStream.h"
#include "DVDInputStreams/DVDInputStreamFFmpeg.h"
#include "ServiceBroker.h"
#include "URL.h"
#include "Util.h"
#include "commons/Exception.h"
#include "cores/FFmpeg.h"
#include "cores/VideoPlayer/Interface/TimingConstants.h" // for DVD_TIME_BASE
#include "filesystem/CurlFile.h"
#include "filesystem/Directory.h"
#include "filesystem/File.h"
#include "settings/AdvancedSettings.h"
#include "settings/Settings.h"
#include "settings/SettingsComponent.h"
#include "threads/SingleLock.h"
#include "threads/SystemClock.h"
#include "utils/StringUtils.h"
#include "utils/URIUtils.h"
#include "utils/XTimeUtils.h"
#include "utils/log.h"
#include <sstream>
#include <utility>
#ifdef HAVE_LIBBLURAY
#include "DVDInputStreams/DVDInputStreamBluray.h"
#endif
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#ifdef TARGET_POSIX
#include <stdint.h>
#endif
extern "C" {
#include <libavutil/dict.h>
#include <libavutil/opt.h>
}
struct StereoModeConversionMap
{
const char* name;
const char* mode;
};
// we internally use the matroska string representation of stereoscopic modes.
// This struct is a conversion map to convert stereoscopic mode values
// from asf/wmv to the internally used matroska ones
static const struct StereoModeConversionMap WmvToInternalStereoModeMap[] =
{
{ "SideBySideRF", "right_left" },
{ "SideBySideLF", "left_right" },
{ "OverUnderRT", "bottom_top" },
{ "OverUnderLT", "top_bottom" },
{}
};
namespace
{
const std::vector<std::string> font_mimetypes = {"application/x-truetype-font",
"application/vnd.ms-opentype",
"application/x-font-ttf",
"application/x-font", // probably incorrect
"application/font-sfnt",
"font/collection",
"font/otf",
"font/sfnt",
"font/ttf"};
bool AttachmentIsFont(const AVDictionaryEntry* dict)
{
if (dict)
{
const std::string mimeType = dict->value;
return std::find_if(font_mimetypes.begin(), font_mimetypes.end(),
[&mimeType](const std::string& str) { return str == mimeType; }) !=
font_mimetypes.end();
}
return false;
}
} // namespace
#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - AV_INPUT_BUFFER_PADDING_SIZE)
std::string CDemuxStreamAudioFFmpeg::GetStreamName()
{
if (!m_stream)
return "";
if (!m_description.empty())
return m_description;
else
return CDemuxStream::GetStreamName();
}
std::string CDemuxStreamSubtitleFFmpeg::GetStreamName()
{
if (!m_stream)
return "";
if (!m_description.empty())
return m_description;
else
return CDemuxStream::GetStreamName();
}
std::string CDemuxStreamVideoFFmpeg::GetStreamName()
{
if (!m_stream)
return "";
if (!m_description.empty())
return m_description;
else
return CDemuxStream::GetStreamName();
}
CDemuxParserFFmpeg::~CDemuxParserFFmpeg()
{
if (m_codecCtx)
avcodec_free_context(&m_codecCtx);
if (m_parserCtx)
{
av_parser_close(m_parserCtx);
m_parserCtx = nullptr;
}
}
static int interrupt_cb(void* ctx)
{
CDVDDemuxFFmpeg* demuxer = static_cast<CDVDDemuxFFmpeg*>(ctx);
if (demuxer && demuxer->Aborted())
return 1;
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////
/*
static int dvd_file_open(URLContext* h, const char* filename, int flags)
{
return -1;
}
*/
static int dvd_file_read(void* h, uint8_t* buf, int size)
{
if (interrupt_cb(h))
return AVERROR_EXIT;
std::shared_ptr<CDVDInputStream> pInputStream = static_cast<CDVDDemuxFFmpeg*>(h)->m_pInput;
int len = pInputStream->Read(buf, size);
if (len == 0)
return AVERROR_EOF;
else
return len;
}
/*
static int dvd_file_write(URLContext* h, uint8_t* buf, int size)
{
return -1;
}
*/
static int64_t dvd_file_seek(void* h, int64_t pos, int whence)
{
if (interrupt_cb(h))
return AVERROR_EXIT;
std::shared_ptr<CDVDInputStream> pInputStream = static_cast<CDVDDemuxFFmpeg*>(h)->m_pInput;
if (whence == AVSEEK_SIZE)
return pInputStream->GetLength();
else
return pInputStream->Seek(pos, whence & ~AVSEEK_FORCE);
}
////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////
CDVDDemuxFFmpeg::CDVDDemuxFFmpeg() : CDVDDemux()
{
m_pFormatContext = NULL;
m_pInput = NULL;
m_ioContext = NULL;
m_currentPts = DVD_NOPTS_VALUE;
m_bMatroska = false;
m_bAVI = false;
m_bSup = false;
m_speed = DVD_PLAYSPEED_NORMAL;
m_program = UINT_MAX;
m_pkt.result = -1;
memset(&m_pkt.pkt, 0, sizeof(AVPacket));
m_streaminfo = true; /* set to true if we want to look for streams before playback */
m_checkTransportStream = false;
m_dtsAtDisplayTime = DVD_NOPTS_VALUE;
}
CDVDDemuxFFmpeg::~CDVDDemuxFFmpeg()
{
Dispose();
ff_flush_avutil_log_buffers();
}
bool CDVDDemuxFFmpeg::Aborted()
{
if (m_timeout.IsTimePast())
return true;
std::shared_ptr<CDVDInputStreamFFmpeg> input = std::dynamic_pointer_cast<CDVDInputStreamFFmpeg>(m_pInput);
if (input && input->Aborted())
return true;
return false;
}
bool CDVDDemuxFFmpeg::Open(const std::shared_ptr<CDVDInputStream>& pInput, bool fileinfo)
{
AVInputFormat* iformat = NULL;
std::string strFile;
m_streaminfo = !pInput->IsRealtime() && !m_reopen;
m_reopen = false;
m_currentPts = DVD_NOPTS_VALUE;
m_speed = DVD_PLAYSPEED_NORMAL;
m_program = UINT_MAX;
m_seekToKeyFrame = false;
const AVIOInterruptCB int_cb = { interrupt_cb, this };
if (!pInput)
return false;
m_pInput = pInput;
strFile = m_pInput->GetFileName();
if (m_pInput->GetContent().length() > 0)
{
std::string content = m_pInput->GetContent();
StringUtils::ToLower(content);
/* check if we can get a hint from content */
if (content.compare("video/x-vobsub") == 0)
iformat = av_find_input_format("mpeg");
else if (content.compare("video/x-dvd-mpeg") == 0)
iformat = av_find_input_format("mpeg");
else if (content.compare("video/mp2t") == 0)
iformat = av_find_input_format("mpegts");
else if (content.compare("multipart/x-mixed-replace") == 0)
iformat = av_find_input_format("mjpeg");
}
// open the demuxer
m_pFormatContext = avformat_alloc_context();
m_pFormatContext->interrupt_callback = int_cb;
// try to abort after 30 seconds
m_timeout.Set(30000);
if (m_pInput->IsStreamType(DVDSTREAM_TYPE_FFMPEG))
{
// special stream type that makes avformat handle file opening
// allows internal ffmpeg protocols to be used
AVDictionary* options = GetFFMpegOptionsFromInput();
CURL url = m_pInput->GetURL();
int result = -1;
if (url.IsProtocol("mms"))
{
// try mmsh, then mmst
url.SetProtocol("mmsh");
url.SetProtocolOptions("");
result = avformat_open_input(&m_pFormatContext, url.Get().c_str(), iformat, &options);
if (result < 0)
{
url.SetProtocol("mmst");
strFile = url.Get();
}
}
else if (url.IsProtocol("udp") || url.IsProtocol("rtp"))
{
std::string strURL = url.Get();
CLog::Log(LOGDEBUG, "CDVDDemuxFFmpeg::Open() UDP/RTP Original URL '{}'", strURL);
size_t found = strURL.find("://");
if (found != std::string::npos)
{
size_t start = found + 3;
found = strURL.find('@');
if (found != std::string::npos && found > start)
{
// sourceip found
std::string strSourceIp = strURL.substr(start, found - start);
strFile = strURL.substr(0, start);
strFile += strURL.substr(found);
if (strFile.back() == '/')
strFile.pop_back();
strFile += "?sources=";
strFile += strSourceIp;
CLog::Log(LOGDEBUG, "CDVDDemuxFFmpeg::Open() UDP/RTP URL '{}'", strFile);
}
}
}
if (result < 0)
{
m_pFormatContext->flags |= AVFMT_FLAG_PRIV_OPT;
if (avformat_open_input(&m_pFormatContext, strFile.c_str(), iformat, &options) < 0)
{
CLog::Log(LOGDEBUG, "Error, could not open file {}", CURL::GetRedacted(strFile));
Dispose();
av_dict_free(&options);
return false;
}
av_dict_free(&options);
avformat_close_input(&m_pFormatContext);
m_pFormatContext = avformat_alloc_context();
m_pFormatContext->interrupt_callback = int_cb;
m_pFormatContext->flags &= ~AVFMT_FLAG_PRIV_OPT;
AVDictionary* options = GetFFMpegOptionsFromInput();
av_dict_set_int(&options, "load_all_variants", 0, AV_OPT_SEARCH_CHILDREN);
if (avformat_open_input(&m_pFormatContext, strFile.c_str(), iformat, &options) < 0)
{
CLog::Log(LOGDEBUG, "Error, could not open file (2) {}", CURL::GetRedacted(strFile));
Dispose();
av_dict_free(&options);
return false;
}
}
av_dict_free(&options);
}
else
{
bool seekable = true;
if (m_pInput->Seek(0, SEEK_POSSIBLE) == 0)
{
seekable = false;
}
int bufferSize = 4096;
int blockSize = m_pInput->GetBlockSize();
if (blockSize > 1 && seekable) // non seakable input streams are not supposed to set block size
bufferSize = blockSize;
unsigned char* buffer = (unsigned char*)av_malloc(bufferSize);
m_ioContext = avio_alloc_context(buffer, bufferSize, 0, this, dvd_file_read, NULL, dvd_file_seek);
if (blockSize > 1 && seekable)
m_ioContext->max_packet_size = bufferSize;
if (!seekable)
m_ioContext->seekable = 0;
std::string content = m_pInput->GetContent();
StringUtils::ToLower(content);
if (StringUtils::StartsWith(content, "audio/l16"))
iformat = av_find_input_format("s16be");
if (iformat == nullptr)
{
// let ffmpeg decide which demuxer we have to open
bool trySPDIFonly = (m_pInput->GetContent() == "audio/x-spdif-compressed");
if (!trySPDIFonly)
av_probe_input_buffer(m_ioContext, &iformat, strFile.c_str(), NULL, 0, 0);
// Use the more low-level code in case we have been built against an old
// FFmpeg without the above av_probe_input_buffer(), or in case we only
// want to probe for spdif (DTS or IEC 61937) compressed audio
// specifically, or in case the file is a wav which may contain DTS or
// IEC 61937 (e.g. ac3-in-wav) and we want to check for those formats.
if (trySPDIFonly || (iformat && strcmp(iformat->name, "wav") == 0))
{
AVProbeData pd;
int probeBufferSize = 32768;
std::unique_ptr<uint8_t[]> probe_buffer (new uint8_t[probeBufferSize + AVPROBE_PADDING_SIZE]);
// init probe data
pd.buf = probe_buffer.get();
pd.filename = strFile.c_str();
// read data using avformat's buffers
pd.buf_size = avio_read(m_ioContext, pd.buf, probeBufferSize);
if (pd.buf_size <= 0)
{
CLog::Log(LOGERROR, "{} - error reading from input stream, {}", __FUNCTION__,
CURL::GetRedacted(strFile));
return false;
}
memset(pd.buf + pd.buf_size, 0, AVPROBE_PADDING_SIZE);
// restore position again
avio_seek(m_ioContext , 0, SEEK_SET);
// the advancedsetting is for allowing the user to force outputting the
// 44.1 kHz DTS wav file as PCM, so that an A/V receiver can decode
// it (this is temporary until we handle 44.1 kHz passthrough properly)
if (trySPDIFonly || (iformat && strcmp(iformat->name, "wav") == 0 && !CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_VideoPlayerIgnoreDTSinWAV))
{
// check for spdif and dts
// This is used with wav files and audio CDs that may contain
// a DTS or AC3 track padded for S/PDIF playback. If neither of those
// is present, we assume it is PCM audio.
// AC3 is always wrapped in iec61937 (ffmpeg "spdif"), while DTS
// may be just padded.
AVInputFormat* iformat2;
iformat2 = av_find_input_format("spdif");
if (iformat2 && iformat2->read_probe(&pd) > AVPROBE_SCORE_MAX / 4)
{
iformat = iformat2;
}
else
{
// not spdif or no spdif demuxer, try dts
iformat2 = av_find_input_format("dts");
if (iformat2 && iformat2->read_probe(&pd) > AVPROBE_SCORE_MAX / 4)
{
iformat = iformat2;
}
else if (trySPDIFonly)
{
// not dts either, return false in case we were explicitly
// requested to only check for S/PDIF padded compressed audio
CLog::Log(LOGDEBUG, "{} - not spdif or dts file, falling back", __FUNCTION__);
return false;
}
}
}
}
if (!iformat)
{
std::string content = m_pInput->GetContent();
/* check if we can get a hint from content */
if (content.compare("audio/aacp") == 0)
iformat = av_find_input_format("aac");
else if (content.compare("audio/aac") == 0)
iformat = av_find_input_format("aac");
else if (content.compare("video/flv") == 0)
iformat = av_find_input_format("flv");
else if (content.compare("video/x-flv") == 0)
iformat = av_find_input_format("flv");
}
if (!iformat)
{
CLog::Log(LOGERROR, "{} - error probing input format, {}", __FUNCTION__,
CURL::GetRedacted(strFile));
return false;
}
else
{
if (iformat->name)
CLog::Log(LOGDEBUG, "{} - probing detected format [{}]", __FUNCTION__, iformat->name);
else
CLog::Log(LOGDEBUG, "{} - probing detected unnamed format", __FUNCTION__);
}
}
m_pFormatContext->pb = m_ioContext;
AVDictionary* options = NULL;
if (iformat->name && (strcmp(iformat->name, "mp3") == 0 || strcmp(iformat->name, "mp2") == 0))
{
CLog::Log(LOGDEBUG, "{} - setting usetoc to 0 for accurate VBR MP3 seek", __FUNCTION__);
av_dict_set(&options, "usetoc", "0", 0);
}
if (StringUtils::StartsWith(content, "audio/l16"))
{
int channels = 2;
int samplerate = 44100;
GetL16Parameters(channels, samplerate);
av_dict_set_int(&options, "channels", channels, 0);
av_dict_set_int(&options, "sample_rate", samplerate, 0);
}
if (avformat_open_input(&m_pFormatContext, strFile.c_str(), iformat, &options) < 0)
{
CLog::Log(LOGERROR, "{} - Error, could not open file {}", __FUNCTION__,
CURL::GetRedacted(strFile));
Dispose();
av_dict_free(&options);
return false;
}
av_dict_free(&options);
}
// Avoid detecting framerate if advancedsettings.xml says so
if (CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_videoFpsDetect == 0)
m_pFormatContext->fps_probe_size = 0;
// analyse very short to speed up mjpeg playback start
if (iformat && (strcmp(iformat->name, "mjpeg") == 0) && m_ioContext->seekable == 0)
av_opt_set_int(m_pFormatContext, "analyzeduration", 500000, 0);
bool skipCreateStreams = false;
bool isBluray = pInput->IsStreamType(DVDSTREAM_TYPE_BLURAY);
// don't re-open mpegts streams with hevc encoding as the params are not correctly detected again
if (iformat && (strcmp(iformat->name, "mpegts") == 0) && !fileinfo && !isBluray &&
m_pFormatContext->streams[0]->codecpar->codec_id != AV_CODEC_ID_HEVC)
{
av_opt_set_int(m_pFormatContext, "analyzeduration", 500000, 0);
m_checkTransportStream = true;
skipCreateStreams = true;
}
else if (!iformat || ((strcmp(iformat->name, "mpegts") != 0) ||
((strcmp(iformat->name, "mpegts") == 0) &&
m_pFormatContext->streams[0]->codecpar->codec_id == AV_CODEC_ID_HEVC)))
{
m_streaminfo = true;
}
if (iformat && (strcmp(iformat->name, "mov,mp4,m4a,3gp,3g2,mj2") == 0))
{
if (URIUtils::IsRemote(strFile))
m_pFormatContext->iformat->flags |= AVFMT_NOGENSEARCH;
}
// we need to know if this is matroska, avi or sup later
m_bMatroska = strncmp(m_pFormatContext->iformat->name, "matroska", 8) == 0; // for "matroska.webm"
m_bAVI = strcmp(m_pFormatContext->iformat->name, "avi") == 0;
m_bSup = strcmp(m_pFormatContext->iformat->name, "sup") == 0;
if (m_streaminfo)
{
/* to speed up dvd switches, only analyse very short */
if (m_pInput->IsStreamType(DVDSTREAM_TYPE_DVD))
av_opt_set_int(m_pFormatContext, "analyzeduration", 500000, 0);
CLog::Log(LOGDEBUG, "{} - avformat_find_stream_info starting", __FUNCTION__);
int iErr = avformat_find_stream_info(m_pFormatContext, NULL);
if (iErr < 0)
{
CLog::Log(LOGWARNING, "could not find codec parameters for {}", CURL::GetRedacted(strFile));
if (m_pInput->IsStreamType(DVDSTREAM_TYPE_DVD) ||
m_pInput->IsStreamType(DVDSTREAM_TYPE_BLURAY) ||
(m_pFormatContext->nb_streams == 1 &&
m_pFormatContext->streams[0]->codecpar->codec_id == AV_CODEC_ID_AC3) ||
m_checkTransportStream)
{
// special case, our codecs can still handle it.
}
else
{
Dispose();
return false;
}
}
CLog::Log(LOGDEBUG, "{} - av_find_stream_info finished", __FUNCTION__);
// print some extra information
av_dump_format(m_pFormatContext, 0, CURL::GetRedacted(strFile).c_str(), 0);
if (m_checkTransportStream)
{
// make sure we start video with an i-frame
ResetVideoStreams();
}
}
else
{
m_program = 0;
m_checkTransportStream = true;
skipCreateStreams = true;
}
// reset any timeout
m_timeout.SetInfinite();
// if format can be nonblocking, let's use that
m_pFormatContext->flags |= AVFMT_FLAG_NONBLOCK;
// deprecated, will be always set in future versions
m_pFormatContext->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
UpdateCurrentPTS();
// select the correct program if requested
m_initialProgramNumber = UINT_MAX;
CVariant programProp(pInput->GetProperty("program"));
if (!programProp.isNull())
m_initialProgramNumber = static_cast<int>(programProp.asInteger());
// in case of mpegts and we have not seen pat/pmt, defer creation of streams
if (!skipCreateStreams || m_pFormatContext->nb_programs > 0)
{
unsigned int nProgram = UINT_MAX;
if (m_pFormatContext->nb_programs > 0)
{
// select the correct program if requested
if (m_initialProgramNumber != UINT_MAX)
{
for (unsigned int i = 0; i < m_pFormatContext->nb_programs; ++i)
{
if (m_pFormatContext->programs[i]->program_num == static_cast<int>(m_initialProgramNumber))
{
nProgram = i;
m_initialProgramNumber = UINT_MAX;
break;
}
}
}
else if (m_pFormatContext->iformat && strcmp(m_pFormatContext->iformat->name, "hls") == 0)
{
nProgram = HLSSelectProgram();
}
else
{
// skip programs without or empty audio/video streams
for (unsigned int i = 0; nProgram == UINT_MAX && i < m_pFormatContext->nb_programs; i++)
{
for (unsigned int j = 0; j < m_pFormatContext->programs[i]->nb_stream_indexes; j++)
{
int idx = m_pFormatContext->programs[i]->stream_index[j];
AVStream* st = m_pFormatContext->streams[idx];
if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && st->codec_info_nb_frames > 0) ||
(st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && st->codecpar->sample_rate > 0))
{
nProgram = i;
break;
}
}
}
}
}
CreateStreams(nProgram);
}
m_newProgram = m_program;
// allow IsProgramChange to return true
if (skipCreateStreams && GetNrOfStreams() == 0)
m_program = 0;
m_displayTime = 0;
m_dtsAtDisplayTime = DVD_NOPTS_VALUE;
m_startTime = 0;
m_seekStream = -1;
if (m_checkTransportStream && m_streaminfo)
{
int64_t duration = m_pFormatContext->duration;
std::shared_ptr<CDVDInputStream> pInputStream = m_pInput;
Dispose();
m_reopen = true;
if (!Open(pInputStream, false))
return false;
m_pFormatContext->duration = duration;
}
return true;
}
void CDVDDemuxFFmpeg::Dispose()
{
m_pkt.result = -1;
av_packet_unref(&m_pkt.pkt);
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;
}
avformat_close_input(&m_pFormatContext);
}
if (m_ioContext)
{
av_free(m_ioContext->buffer);
av_free(m_ioContext);
}
m_ioContext = NULL;
m_pFormatContext = NULL;
m_speed = DVD_PLAYSPEED_NORMAL;
DisposeStreams();
m_pInput = NULL;
}
bool CDVDDemuxFFmpeg::Reset()
{
std::shared_ptr<CDVDInputStream> pInputStream = m_pInput;
Dispose();
return Open(pInputStream, false);
}
void CDVDDemuxFFmpeg::Flush()
{
if (m_pFormatContext)
{
if (m_pFormatContext->pb)
avio_flush(m_pFormatContext->pb);
avformat_flush(m_pFormatContext);
}
m_currentPts = DVD_NOPTS_VALUE;
m_pkt.result = -1;
av_packet_unref(&m_pkt.pkt);
m_displayTime = 0;
m_dtsAtDisplayTime = DVD_NOPTS_VALUE;
m_seekToKeyFrame = false;
}
void CDVDDemuxFFmpeg::Abort()
{
m_timeout.SetExpired();
}
void CDVDDemuxFFmpeg::SetSpeed(int iSpeed)
{
if (!m_pFormatContext)
return;
if (m_speed == iSpeed)
return;
if (m_speed != DVD_PLAYSPEED_PAUSE && iSpeed == DVD_PLAYSPEED_PAUSE)
av_read_pause(m_pFormatContext);
else if (m_speed == DVD_PLAYSPEED_PAUSE && iSpeed != DVD_PLAYSPEED_PAUSE)
av_read_play(m_pFormatContext);
m_speed = iSpeed;
AVDiscard discard = AVDISCARD_NONE;
if (m_speed > 4 * DVD_PLAYSPEED_NORMAL)
discard = AVDISCARD_NONKEY;
else if (m_speed > 2 * DVD_PLAYSPEED_NORMAL)
discard = AVDISCARD_BIDIR;
else if (m_speed < DVD_PLAYSPEED_PAUSE)
discard = AVDISCARD_NONKEY;
for(unsigned int i = 0; i < m_pFormatContext->nb_streams; i++)
{
if (m_pFormatContext->streams[i])
{
if (m_pFormatContext->streams[i]->discard != AVDISCARD_ALL)
m_pFormatContext->streams[i]->discard = discard;
}
}
}
AVDictionary* CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput()
{
const std::shared_ptr<CDVDInputStreamFFmpeg> input =
std::dynamic_pointer_cast<CDVDInputStreamFFmpeg>(m_pInput);
CURL url = m_pInput->GetURL();
AVDictionary* options = nullptr;
// For a local file we need the following protocol whitelist
if (url.GetProtocol().empty() || url.IsProtocol("file"))
av_dict_set(&options, "protocol_whitelist", "file,http,https,tcp,tls,crypto", 0);
if (url.IsProtocol("http") || url.IsProtocol("https"))
{
std::map<std::string, std::string> protocolOptions;
url.GetProtocolOptions(protocolOptions);
std::string headers;
bool hasUserAgent = false;
bool hasCookies = false;
for(std::map<std::string, std::string>::const_iterator it = protocolOptions.begin(); it != protocolOptions.end(); ++it)
{
std::string name = it->first;
StringUtils::ToLower(name);
const std::string &value = it->second;
// set any of these ffmpeg options
if (name == "seekable" || name == "reconnect" || name == "reconnect_at_eof" ||
name == "reconnect_streamed" || name == "reconnect_delay_max" ||
name == "icy" || name == "icy_metadata_headers" || name == "icy_metadata_packet")
{
CLog::Log(LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() adding ffmpeg option '{}: {}'",
it->first, value);
av_dict_set(&options, name.c_str(), value.c_str(), 0);
}
// map some standard http headers to the ffmpeg related options
else if (name == "user-agent")
{
av_dict_set(&options, "user_agent", value.c_str(), 0);
CLog::Log(
LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() adding ffmpeg option 'user_agent: {}'",
value);
hasUserAgent = true;
}
else if (name == "cookies")
{
// in the plural option expect multiple Set-Cookie values. They are passed \n delimited to FFMPEG
av_dict_set(&options, "cookies", value.c_str(), 0);
CLog::Log(LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() adding ffmpeg option 'cookies: {}'",
value);
hasCookies = true;
}
else if (name == "cookie")
{
CLog::Log(
LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() adding ffmpeg header value 'cookie: {}'",
value);
headers.append(it->first).append(": ").append(value).append("\r\n");
hasCookies = true;
}
// other standard headers (see https://en.wikipedia.org/wiki/List_of_HTTP_header_fields) are appended as actual headers
else if (name == "accept" || name == "accept-language" || name == "accept-datetime" ||
name == "authorization" || name == "cache-control" || name == "connection" || name == "content-md5" ||
name == "date" || name == "expect" || name == "forwarded" || name == "from" || name == "if-match" ||
name == "if-modified-since" || name == "if-none-match" || name == "if-range" || name == "if-unmodified-since" ||
name == "max-forwards" || name == "origin" || name == "pragma" || name == "range" || name == "referer" ||
name == "te" || name == "upgrade" || name == "via" || name == "warning" || name == "x-requested-with" ||
name == "dnt" || name == "x-forwarded-for" || name == "x-forwarded-host" || name == "x-forwarded-proto" ||
name == "front-end-https" || name == "x-http-method-override" || name == "x-att-deviceid" ||
name == "x-wap-profile" || name == "x-uidh" || name == "x-csrf-token" || name == "x-request-id" ||
name == "x-correlation-id")
{
if (name == "authorization")
{
CLog::Log(LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() adding custom header option '{}: "
"***********'",
it->first);
}
else
{
CLog::Log(
LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() adding custom header option '{}: {}'",
it->first, value);
}
headers.append(it->first).append(": ").append(value).append("\r\n");
}
// Any other headers that need to be sent would be user defined and should be prefixed
// by a `!`. We mask these values so we don't log anything we shouldn't
else if (name.length() > 0 && name[0] == '!')
{
CLog::Log(LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() adding user custom header option "
"'{}: ***********'",
it->first);
headers.append(it->first.substr(1)).append(": ").append(value).append("\r\n");
}
// for everything else we ignore the headers options if not specified above
else
{
CLog::Log(LOGDEBUG,
"CDVDDemuxFFmpeg::GetFFMpegOptionsFromInput() ignoring header option '{}'",
it->first);
}
}
if (!hasUserAgent)
{
// set default xbmc user-agent.
av_dict_set(&options, "user_agent", CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_userAgent.c_str(), 0);
}
if (!headers.empty())
av_dict_set(&options, "headers", headers.c_str(), 0);
if (!hasCookies)
{
std::string cookies;
if (XFILE::CCurlFile::GetCookies(url, cookies))
av_dict_set(&options, "cookies", cookies.c_str(), 0);
}
}
if (input)
{
const std::string host = input->GetProxyHost();
if (!host.empty() && input->GetProxyType() == "http")
{
std::ostringstream urlStream;
const uint16_t port = input->GetProxyPort();
const std::string user = input->GetProxyUser();
const std::string password = input->GetProxyPassword();
urlStream << "http://";
if (!user.empty()) {
urlStream << user;
if (!password.empty())
urlStream << ":" << password;
urlStream << "@";
}
urlStream << host << ':' << port;
av_dict_set(&options, "http_proxy", urlStream.str().c_str(), 0);
}
// rtmp options
if (url.IsProtocol("rtmp") || url.IsProtocol("rtmpt") ||
url.IsProtocol("rtmpe") || url.IsProtocol("rtmpte") ||
url.IsProtocol("rtmps"))
{
static const std::map<std::string,std::string> optionmap =
{{{"SWFPlayer", "rtmp_swfurl"},
{"swfplayer", "rtmp_swfurl"},
{"PageURL", "rtmp_pageurl"},
{"pageurl", "rtmp_pageurl"},
{"PlayPath", "rtmp_playpath"},
{"playpath", "rtmp_playpath"},
{"TcUrl", "rtmp_tcurl"},
{"tcurl", "rtmp_tcurl"},
{"IsLive", "rtmp_live"},
{"islive", "rtmp_live"},
{"swfurl", "rtmp_swfurl"},
{"swfvfy", "rtmp_swfverify"},
}};
for (const auto& it : optionmap)
{
if (input->GetItem().HasProperty(it.first))
{
av_dict_set(&options, it.second.c_str(),
input->GetItem().GetProperty(it.first).asString().c_str(),0);
}
}
CURL tmpUrl = url;
std::vector<std::string> opts = StringUtils::Split(tmpUrl.Get(), " ");
if (opts.size() > 1) // inline rtmp options
{
std::string swfurl;
bool swfvfy=false;
for (size_t i = 1; i < opts.size(); ++i)
{
std::vector<std::string> value = StringUtils::Split(opts[i], "=", 2);
StringUtils::ToLower(value[0]);
auto it = optionmap.find(value[0]);
if (it != optionmap.end())
{
if (value[0] == "swfurl" || value[0] == "SWFPlayer")
swfurl = value[1];
if (value[0] == "swfvfy" && (value[1] == "true" || value[1] == "1"))
swfvfy = true;
else
av_dict_set(&options, it->second.c_str(), value[1].c_str(), 0);
}
if (swfvfy)
av_dict_set(&options, "rtmp_swfverify", swfurl.c_str(), 0);
}
tmpUrl = CURL(opts.front());
}
}
}
return options;
}
double CDVDDemuxFFmpeg::ConvertTimestamp(int64_t pts, int den, int num)
{
if (pts == (int64_t)AV_NOPTS_VALUE)
return DVD_NOPTS_VALUE;
// do calculations in floats as they can easily overflow otherwise
// we don't care for having a completely exact timestamp anyway
double timestamp = (double)pts * num / den;
double starttime = 0.0;
std::shared_ptr<CDVDInputStream::IMenus> menu = std::dynamic_pointer_cast<CDVDInputStream::IMenus>(m_pInput);
if (!menu && m_pFormatContext->start_time != (int64_t)AV_NOPTS_VALUE)
starttime = (double)m_pFormatContext->start_time / AV_TIME_BASE;
if (m_checkTransportStream)
starttime = m_startTime;
if (!m_bSup)
{
if (timestamp > starttime || m_checkTransportStream)
timestamp -= starttime;
// allow for largest possible difference in pts and dts for a single packet
else if (timestamp + 0.5 > starttime)
timestamp = 0;
}