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NuppelVideoPlayer.cpp
8030 lines (6825 loc) · 225 KB
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NuppelVideoPlayer.cpp
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// -*- Mode: c++ -*-
#undef HAVE_AV_CONFIG_H
// Std C headers
#include <cstdio>
#include <cstdlib>
#include <cassert>
#include <cerrno>
#include <ctime>
#include <cmath>
// POSIX headers
#include <unistd.h>
#include <fcntl.h>
#include <sched.h>
#include <sys/time.h>
// C++ headers
#include <algorithm>
#include <iostream>
using namespace std;
// Qt headers
#include <QThreadPool>
#include <QKeyEvent>
#include <QDir>
#define NEW_AVSYNC
// MythTV headers
#include "mythconfig.h"
#include "mythdbcon.h"
#include "dialogbox.h"
#include "NuppelVideoPlayer.h"
#include "DetectLetterbox.h"
#include "audiooutput.h"
#include "recordingprofile.h"
#include "osdtypes.h"
#include "osdsurface.h"
#include "osdtypeteletext.h"
#include "remoteutil.h"
#include "programinfo.h"
#include "mythcontext.h"
#include "fifowriter.h"
#include "filtermanager.h"
#include "util.h"
#include "decodeencode.h"
#include "livetvchain.h"
#include "decoderbase.h"
#include "nuppeldecoder.h"
#include "avformatdecoder.h"
#include "dummydecoder.h"
#include "jobqueue.h"
#include "DVDRingBuffer.h"
#include "NuppelVideoRecorder.h"
#include "tv_play.h"
#include "interactivetv.h"
#include "util-osx-cocoa.h"
#include "mythverbose.h"
#include "myth_imgconvert.h"
#include "mythsystemevent.h"
extern "C" {
#include "vbitext/vbi.h"
#include "vsync.h"
#include "libavcodec/avcodec.h"
#include "libswscale/swscale.h"
}
#include "remoteencoder.h"
#include "videoout_null.h"
#if ! HAVE_ROUND
#define round(x) ((int) ((x) + 0.5))
#endif
#if CONFIG_DARWIN
extern "C" {
int isnan(double);
}
#endif
#define FAST_RESTART 0
static unsigned dbg_ident(const NuppelVideoPlayer*);
#define LOC QString("NVP(%1): ").arg(dbg_ident(this),0,36)
#define LOC_WARN QString("NVP(%1), Warning: ").arg(dbg_ident(this),0,36)
#define LOC_ERR QString("NVP(%1), Error: ").arg(dbg_ident(this),0,36)
uint track_type_to_display_mode[kTrackTypeCount+2] =
{
kDisplayNone,
kDisplayAVSubtitle,
kDisplayCC608,
kDisplayCC708,
kDisplayTeletextCaptions,
kDisplayNone,
kDisplayNUVTeletextCaptions,
};
NuppelVideoPlayer::NuppelVideoPlayer(bool muted)
: decoder(NULL), decoder_change_lock(QMutex::Recursive),
videoOutput(NULL), player_ctx(NULL),
no_hardware_decoders(false),
// Window stuff
parentWidget(NULL), embedid(0),
embx(-1), emby(-1), embw(-1), embh(-1),
// State
eof(false),
m_double_framerate(false), m_double_process(false),
m_can_double(false), m_deint_possible(true),
paused(false),
pausevideo(false), actuallypaused(false),
video_actually_paused(false), playing(false),
decoder_thread_alive(true), killplayer(false),
killvideo(false), livetv(false),
watchingrecording(false), editmode(false),
resetvideo(false), using_null_videoout(false),
no_audio_in(false), no_audio_out(false),
transcoding(false),
hasFullPositionMap(false), limitKeyRepeat(false),
errorMsg(QString::null), errorType(kError_None),
// Chapter stuff
jumpchapter(0),
// Bookmark stuff
bookmarkseek(0),
// Seek
fftime(0), seekamountpos(4),
seekamount(30), exactseeks(false),
// Playback misc.
videobuf_retries(0), framesPlayed(0),
totalFrames(0), totalLength(0),
rewindtime(0),
// Input Video Attributes
video_disp_dim(0,0), video_dim(0,0),
video_frame_rate(29.97f), video_aspect(4.0f / 3.0f),
forced_video_aspect(-1),
m_scan(kScan_Interlaced), m_scan_locked(false),
m_scan_tracker(0), m_scan_initialized(false),
keyframedist(30),
// Prebuffering (RingBuffer) control
prebuffering(false), prebuffer_tries(0), prebuffer_tries_total(0),
// General Caption/Teletext/Subtitle support
db_prefer708(true),
textDisplayMode(kDisplayNone),
prevTextDisplayMode(kDisplayNone),
// Support for analog captions and teletext
vbimode(VBIMode::None),
ttPageNum(0x888), ccmode(CC_CC1),
wtxt(0), rtxt(0), text_size(0), ccline(""), cccol(0), ccrow(0),
// Support for captions, teletext, etc. decoded by libav
textDesired(false),
osdHasSubtitles(false), osdSubtitlesExpireAt(-1),
// MHEG/MHI Interactive TV visible in OSD
itvVisible(false),
interactiveTV(NULL),
itvEnabled(false),
// OSD stuff
osd(NULL), timedisplay(NULL),
dialogname(""), dialogtype(0),
// Audio stuff
audioOutput(NULL),
audio_main_device(QString::null),
audio_passthru_device(QString::null),
audio_channels(2), audio_codec(0),
audio_bits(-1), audio_samplerate(44100),
audio_stretchfactor(1.0f), audio_lock(QMutex::Recursive),
audio_muted_on_creation(muted),
// Picture-in-Picture stuff
pip_active(false), pip_visible(true),
// Preview window support
argb_buf(NULL), argb_size(0,0),
yuv2argb_conv(yuv2rgb_init_mmx(32, MODE_RGB)),
yuv_need_copy(false), yuv_desired_size(0,0),
yuv_scaler(NULL), yuv_frame_scaled(NULL),
yuv_scaler_in_size(0,0), yuv_scaler_out_size(0,0),
// Filters
videoFiltersForProgram(""), videoFiltersOverride(""),
postfilt_width(0), postfilt_height(0),
videoFilters(NULL), FiltMan(new FilterManager()),
// Commercial filtering
skipcommercials(0), autocommercialskip(kCommSkipOff),
commrewindamount(0),
commnotifyamount(0), lastCommSkipDirection(0),
lastCommSkipTime(0/*1970*/), lastCommSkipStart(0),
lastSkipTime(0 /*1970*/),
deleteframe(0),
hasdeletetable(false), hasblanktable(false),
hascommbreaktable(false),
deleteIter(deleteMap.end()), blankIter(blankMap.end()),
commBreakIter(commBreakMap.end()),
forcePositionMapSync(false),
// Playback (output) speed control
decoder_lock(QMutex::Recursive),
next_play_speed(1.0f), next_normal_speed(true),
play_speed(1.0f), normal_speed(true),
frame_interval((int)(1000000.0f / 30)), m_frame_interval(0),
ffrew_skip(1),
// Audio and video synchronization stuff
videosync(NULL), delay(0),
vsynctol(30/4), avsync_delay(0),
avsync_adjustment(0), avsync_avg(0),
avsync_oldavg(0), refreshrate(0),
lastsync(false), m_playing_slower(false),
m_stored_audio_stretchfactor(1.0),
audio_paused(false),
repeat_delay(0),
// Audio warping stuff
warpfactor(1.0f), warpfactor_avg(1.0f),
// Time Code stuff
prevtc(0), prevrp(0),
tc_avcheck_framecounter(0), tc_diff_estimate(0),
savedAudioTimecodeOffset(0),
// LiveTVChain stuff
m_tv(NULL), isDummy(false),
// DVD stuff
hidedvdbutton(true), need_change_dvd_track(0),
dvd_stillframe_showing(false),
// Debugging variables
output_jmeter(NULL)
{
// Playback (output) zoom control
detect_letter_box = new DetectLetterbox(this);
vbimode = VBIMode::Parse(gContext->GetSetting("VbiFormat"));
commrewindamount = gContext->GetNumSetting("CommRewindAmount",0);
commnotifyamount = gContext->GetNumSetting("CommNotifyAmount",0);
decode_extra_audio=gContext->GetNumSetting("DecodeExtraAudio", 0);
itvEnabled = gContext->GetNumSetting("EnableMHEG", 0);
db_prefer708 = gContext->GetNumSetting("Prefer708Captions", 1);
autocommercialskip = (CommSkipMode)
gContext->GetNumSetting("AutoCommercialSkip", kCommSkipOff);
lastIgnoredManualSkip = QDateTime::currentDateTime().addSecs(-10);
bzero(&txtbuffers, sizeof(txtbuffers));
bzero(&tc_lastval, sizeof(tc_lastval));
bzero(&tc_wrap, sizeof(tc_wrap));
// Get VBI page number
QString mypage = gContext->GetSetting("VBIpageNr", "888");
bool valid = false;
uint tmp = mypage.toInt(&valid, 16);
ttPageNum = (valid) ? tmp : ttPageNum;
text_size = 8 * (sizeof(teletextsubtitle) + VT_WIDTH);
for (int i = 0; i < MAXTBUFFER; i++)
txtbuffers[i].buffer = new unsigned char[text_size + 1];
memset(&CC708DelayedDeletes, 0, sizeof(CC708DelayedDeletes));
}
NuppelVideoPlayer::~NuppelVideoPlayer(void)
{
QMutexLocker lk1(&vidExitLock);
QMutexLocker lk2(&videofiltersLock);
QMutexLocker lk3(&audio_lock);
if (audioOutput)
{
delete audioOutput;
audioOutput = NULL;
}
if (osdHasSubtitles || !nonDisplayedAVSubtitles.empty())
ClearSubtitles();
if (osd)
{
delete osd;
osd = NULL;
}
for (int i = 0; i < MAXTBUFFER; i++)
{
if (txtbuffers[i].buffer)
{
delete [] txtbuffers[i].buffer;
txtbuffers[i].buffer = NULL;
}
}
SetDecoder(NULL);
if (interactiveTV)
{
delete interactiveTV;
interactiveTV = NULL;
}
if (FiltMan)
{
delete FiltMan;
FiltMan = NULL;
}
if (videoFilters)
{
delete videoFilters;
videoFilters = NULL;
}
if (videosync)
{
delete videosync;
videosync = NULL;
}
if (videoOutput)
{
delete videoOutput;
videoOutput = NULL;
}
if (argb_buf)
{
delete [] argb_buf;
argb_buf = NULL;
}
if (output_jmeter)
{
delete output_jmeter;
output_jmeter = NULL;
}
if (detect_letter_box)
{
delete detect_letter_box;
detect_letter_box = NULL;
}
ShutdownYUVResize();
}
void NuppelVideoPlayer::SetWatchingRecording(bool mode)
{
QMutexLocker locker(&decoder_change_lock);
watchingrecording = mode;
if (GetDecoder())
GetDecoder()->setWatchingRecording(mode);
}
void NuppelVideoPlayer::SetAudioInfo(const QString &main_device,
const QString &passthru_device,
uint samplerate)
{
audio_main_device = audio_passthru_device = QString::null;
if (!main_device.isEmpty())
{
audio_main_device = main_device;
audio_main_device.detach();
}
if (!passthru_device.isEmpty())
{
audio_passthru_device = passthru_device;
audio_passthru_device.detach();
}
audio_samplerate = (int)samplerate;
}
uint NuppelVideoPlayer::GetVolume(void)
{
QMutexLocker lock(&audio_lock);
if (audioOutput)
return audioOutput->GetCurrentVolume();
return 0;
}
bool NuppelVideoPlayer::SetMuted(bool mute)
{
QMutexLocker lock(&audio_lock);
bool is_muted = IsMuted();
if (audioOutput && !is_muted && mute &&
(kMuteAll == SetMuteState(kMuteAll)))
{
VERBOSE(VB_AUDIO, "muting sound " <<IsMuted());
return true;
}
else if (audioOutput && is_muted && !mute &&
(kMuteOff == SetMuteState(kMuteOff)))
{
VERBOSE(VB_AUDIO, "unmuting sound "<<IsMuted());
return true;
}
VERBOSE(VB_AUDIO, "not changing sound mute state "<<IsMuted());
return false;
}
MuteState NuppelVideoPlayer::SetMuteState(MuteState mstate)
{
QMutexLocker lock(&audio_lock);
if (audioOutput)
return audioOutput->SetMuteState(mstate);
return kMuteAll;
}
MuteState NuppelVideoPlayer::IncrMuteState(void)
{
QMutexLocker lock(&audio_lock);
MuteState mstate = kMuteAll;
if (audioOutput)
mstate = SetMuteState(VolumeBase::NextMuteState(GetMuteState()));
return mstate;
}
MuteState NuppelVideoPlayer::GetMuteState(void)
{
QMutexLocker lock(&audio_lock);
if (audioOutput)
return audioOutput->GetMuteState();
return kMuteAll;
}
uint NuppelVideoPlayer::AdjustVolume(int change)
{
QMutexLocker lock(&audio_lock);
if (audioOutput)
audioOutput->AdjustCurrentVolume(change);
return GetVolume();
}
void NuppelVideoPlayer::PauseDecoder(void)
{
decoder_lock.lock();
next_play_speed = 0.0;
next_normal_speed = false;
decoder_lock.unlock();
// Qt4 requires a QMutex as a parameter...
// not sure if this is the best solution.
// Mutex Must be locked before wait.
QMutex mutex;
mutex.lock();
while (!eof && !actuallypaused &&
!decoderThreadPaused.wait(&mutex, 100) &&
!eof && !actuallypaused)
{
VERBOSE(VB_IMPORTANT, LOC_WARN +
"Waited too long for decoder to pause");
}
}
void NuppelVideoPlayer::Pause(bool waitvideo)
{
PauseDecoder();
//cout << "stopping other threads" << endl;
internalPauseLock.lock();
PauseVideo(waitvideo);
internalPauseLock.unlock();
audio_lock.lock();
if (audioOutput)
{
audio_paused = true;
audioOutput->Pause(true);
}
audio_lock.unlock();
if (player_ctx->buffer)
player_ctx->buffer->Pause();
QMutexLocker locker(&decoder_change_lock);
if (GetDecoder() && videoOutput)
{
//cout << "updating frames played" << endl;
if (using_null_videoout)
GetDecoder()->UpdateFramesPlayed();
else
framesPlayed = videoOutput->GetFramesPlayed();
}
}
bool NuppelVideoPlayer::Play(float speed, bool normal, bool unpauseaudio)
{
VERBOSE(VB_PLAYBACK, LOC +
QString("Play(%1, normal %2, unpause audio %3)")
.arg(speed,5,'f',1).arg(normal).arg(unpauseaudio));
internalPauseLock.lock();
if (editmode)
{
internalPauseLock.unlock();
VERBOSE(VB_IMPORTANT, LOC + "Ignoring Play(), in edit mode.");
return false;
}
UnpauseVideo();
internalPauseLock.unlock();
audio_lock.lock();
if (audioOutput && unpauseaudio)
audio_paused = false;
audio_lock.unlock();
if (player_ctx->buffer)
player_ctx->buffer->Unpause();
decoder_lock.lock();
next_play_speed = speed;
next_normal_speed = normal;
decoder_lock.unlock();
return true;
}
bool NuppelVideoPlayer::IsPaused(bool *is_pause_still_possible)
{
bool rbf_playing = player_ctx->buffer && !player_ctx->buffer->isPaused();
audio_lock.lock();
bool aud_playing = audioOutput && !audioOutput->IsPaused();
audio_lock.unlock();
if (is_pause_still_possible)
{
bool decoder_pausing = (0.0f == next_play_speed) && !next_normal_speed;
bool video_pausing = pausevideo;
bool rbuf_paused = !rbf_playing;
*is_pause_still_possible =
decoder_pausing && video_pausing && rbuf_paused;
}
return (actuallypaused && !rbf_playing && !aud_playing &&
IsVideoActuallyPaused());
}
void NuppelVideoPlayer::PauseVideo(bool wait)
{
QMutexLocker locker(&pauseUnpauseLock);
if (wait)
video_actually_paused = false;
pausevideo = true;
for (uint i = 0; wait && !video_actually_paused; i++)
{
videoThreadPaused.wait(&pauseUnpauseLock, 250);
if (video_actually_paused || eof)
break;
if ((i % 10) == 9)
VERBOSE(VB_IMPORTANT, "Waited too long for video out to pause");
}
}
void NuppelVideoPlayer::UnpauseVideo(bool wait)
{
QMutexLocker locker(&pauseUnpauseLock);
pausevideo = false;
for (uint i = 0; wait && video_actually_paused; i++)
{
videoThreadUnpaused.wait(&pauseUnpauseLock, 250);
if (!video_actually_paused || eof)
break;
if ((i % 10) == 9)
VERBOSE(VB_IMPORTANT, "Waited too long for video out to unpause");
}
if (videoOutput)
videoOutput->ExposeEvent();
}
void NuppelVideoPlayer::SetVideoActuallyPaused(bool val)
{
QMutexLocker locker(&pauseUnpauseLock);
video_actually_paused = val;
if (val)
videoThreadPaused.wakeAll();
else
videoThreadUnpaused.wakeAll();
}
bool NuppelVideoPlayer::IsVideoActuallyPaused(void) const
{
QMutexLocker locker(&pauseUnpauseLock);
return video_actually_paused;
}
void NuppelVideoPlayer::SetPlayingInfo(const ProgramInfo &pginfo)
{
assert(player_ctx);
if (!player_ctx)
return;
player_ctx->LockPlayingInfo(__FILE__, __LINE__);
player_ctx->SetPlayingInfo(&pginfo);
player_ctx->UnlockPlayingInfo(__FILE__, __LINE__);
SetVideoFilters("");
InitFilters();
}
void NuppelVideoPlayer::SetPrebuffering(bool prebuffer)
{
prebuffering_lock.lock();
if (prebuffer != prebuffering)
{
prebuffering = prebuffer;
audio_lock.lock();
if (audioOutput && !paused)
{
if (prebuffering)
audioOutput->Pause(prebuffering);
audio_paused = prebuffering;
}
audio_lock.unlock();
}
if (!prebuffering)
prebuffering_wait.wakeAll();
prebuffering_lock.unlock();
}
void NuppelVideoPlayer::SetPlaying(bool is_playing)
{
QMutexLocker locker(&playingLock);
playing = is_playing;
playingWaitCond.wakeAll();
}
bool NuppelVideoPlayer::IsPlaying(uint wait_in_msec, bool wait_for) const
{
QMutexLocker locker(&playingLock);
if (!wait_in_msec)
return playing;
MythTimer t;
t.start();
while ((wait_for != playing) && ((uint)t.elapsed() < wait_in_msec))
{
playingWaitCond.wait(
&playingLock, max(0,(int)wait_in_msec - t.elapsed()));
}
return playing;
}
bool NuppelVideoPlayer::InitVideo(void)
{
assert(player_ctx);
if (!player_ctx)
return false;
PIPState pipState = player_ctx->GetPIPState();
if (using_null_videoout)
{
videoOutput = new VideoOutputNull();
if (!videoOutput->Init(video_disp_dim.width(), video_disp_dim.height(),
video_aspect, 0, 0, 0, 0, 0, 0))
{
VERBOSE(VB_IMPORTANT, LOC_ERR +
"Unable to create null video out");
SetErrored(QObject::tr("Unable to create null video out"));
return false;
}
}
else
{
QWidget *widget = parentWidget;
if (!widget)
{
MythMainWindow *window = gContext->GetMainWindow();
QWidget *widget =
window->findChild<QWidget*>("video playback window");
if (!widget)
{
VERBOSE(VB_IMPORTANT, "Couldn't find 'tv playback' widget");
widget = window->currentWidget();
}
}
if (!widget)
{
VERBOSE(VB_IMPORTANT, "Couldn't find 'tv playback' widget. "
"Current widget doesn't exist. Exiting..");
SetErrored(QObject::tr("'tv playback' widget missing."));
return false;
}
QRect display_rect;
if (pipState == kPIPStandAlone)
display_rect = QRect(embx, emby, embw, embh);
else
display_rect = QRect(0, 0, widget->width(), widget->height());
videoOutput = VideoOutput::Create(
GetDecoder()->GetCodecDecoderName(),
GetDecoder()->GetVideoCodecID(),
GetDecoder()->GetVideoCodecPrivate(),
pipState,
video_disp_dim, video_aspect,
widget->winId(), display_rect, (video_frame_rate * play_speed),
0 /*embedid*/);
if (!videoOutput)
{
VERBOSE(VB_IMPORTANT, LOC_ERR +
"Couldn't create VideoOutput instance. Exiting..");
SetErrored(QObject::tr("Failed to initialize video output"));
return false;
}
videoOutput->SetVideoScalingAllowed(true);
// We need to tell it this for automatic deinterlacer settings
videoOutput->SetVideoFrameRate(video_frame_rate * play_speed);
CheckExtraAudioDecode();
}
if (embedid > 0 && pipState == kPIPOff)
{
videoOutput->EmbedInWidget(embx, emby, embw, embh);
}
SetCaptionsEnabled(gContext->GetNumSetting("DefaultCCMode"), false);
InitFilters();
return true;
}
void NuppelVideoPlayer::CheckExtraAudioDecode(void)
{
if (using_null_videoout)
return;
bool force = false;
if (videoOutput && videoOutput->NeedExtraAudioDecode())
{
VERBOSE(VB_IMPORTANT, LOC +
"Forcing decode extra audio option on"
" (Video method requires it).");
force = true;
}
if (GetDecoder())
GetDecoder()->SetLowBuffers(decode_extra_audio || force);
}
void NuppelVideoPlayer::ReinitOSD(void)
{
if (videoOutput && !using_null_videoout)
{
QRect visible, total;
float aspect, scaling;
if (osd)
{
videoOutput->GetOSDBounds(total, visible, aspect,
scaling, osd->GetThemeAspect());
osd->Reinit(total, frame_interval, visible, aspect, scaling);
}
#ifdef USING_MHEG
if (GetInteractiveTV())
{
total = videoOutput->GetMHEGBounds();
GetInteractiveTV()->Reinit(total);
itvVisible = false;
}
#endif // USING_MHEG
}
}
void NuppelVideoPlayer::ReinitVideo(void)
{
if (!videoOutput->IsPreferredRenderer(video_disp_dim))
{
VERBOSE(VB_PLAYBACK, LOC + QString("Need to switch video renderer."));
SetErrored(QObject::tr("Need to switch video renderer."));
errorType |= kError_Switch_Renderer;
return;
}
bool aspect_only = false;
{
QMutexLocker locker1(&vidExitLock);
QMutexLocker locker2(&videofiltersLock);
float aspect = (forced_video_aspect > 0) ? forced_video_aspect :
video_aspect;
if (!videoOutput->InputChanged(video_disp_dim, aspect,
GetDecoder()->GetVideoCodecID(),
GetDecoder()->GetVideoCodecPrivate(),
aspect_only))
{
VERBOSE(VB_IMPORTANT, LOC_ERR +
"Failed to Reinitialize Video. Exiting..");
SetErrored(QObject::tr("Failed to reinitialize video output"));
return;
}
// We need to tell it this for automatic deinterlacer settings
videoOutput->SetVideoFrameRate(video_frame_rate * play_speed);
ReinitOSD();
}
if (!aspect_only)
{
CheckExtraAudioDecode();
ClearAfterSeek();
InitFilters();
}
if (textDisplayMode)
{
DisableCaptions(textDisplayMode, false);
SetCaptionsEnabled(true, false);
}
if (player_ctx->buffer->InDVDMenuOrStillFrame())
player_ctx->buffer->DVD()->SetRunSeekCellStart(true);
}
QString NuppelVideoPlayer::ReinitAudio(void)
{
QMutexLocker lock(&audio_lock);
QString errMsg = QString::null;
if ((audio_bits <= 0) || (audio_channels <= 0) || (audio_samplerate <= 0))
{
VERBOSE(VB_IMPORTANT, LOC +
QString("Disabling Audio, params(%1,%2,%3)")
.arg(audio_bits).arg(audio_channels).arg(audio_samplerate));
no_audio_in = no_audio_out = true;
if (audioOutput)
{
delete audioOutput;
audioOutput = NULL;
}
return errMsg;
}
no_audio_in = false;
if (!audioOutput && !using_null_videoout && player_ctx->IsAudioNeeded())
{
bool setVolume = gContext->GetNumSetting("MythControlsVolume", 1);
audioOutput = AudioOutput::OpenAudio(audio_main_device,
audio_passthru_device,
audio_bits, audio_channels,
audio_codec, audio_samplerate,
AUDIOOUTPUT_VIDEO,
setVolume, audio_passthru);
if (!audioOutput)
errMsg = QObject::tr("Unable to create AudioOutput.");
else
errMsg = audioOutput->GetError();
if (!errMsg.isEmpty())
{
VERBOSE(VB_IMPORTANT, LOC + "Disabling Audio" +
QString(", reason is: %1").arg(errMsg));
if (audioOutput)
{
delete audioOutput;
audioOutput = NULL;
}
no_audio_out = true;
}
else if (no_audio_out)
{
VERBOSE(VB_IMPORTANT, LOC + "Enabling Audio");
no_audio_out = false;
}
if (audio_muted_on_creation)
{
SetMuteState(kMuteAll);
audio_muted_on_creation = false;
}
}
if (audioOutput)
{
const AudioSettings settings(audio_bits, audio_channels, audio_codec,
audio_samplerate, audio_passthru);
audioOutput->Reconfigure(settings);
if (audio_passthru)
audio_channels = 2;
errMsg = audioOutput->GetError();
if (!errMsg.isEmpty())
audioOutput->SetStretchFactor(audio_stretchfactor);
}
return errMsg;
}
static inline QString toQString(FrameScanType scan) {
switch (scan) {
case kScan_Ignore: return QString("Ignore Scan");
case kScan_Detect: return QString("Detect Scan");
case kScan_Interlaced: return QString("Interlaced Scan");
case kScan_Progressive: return QString("Progressive Scan");
default: return QString("Unknown Scan");
}
}
FrameScanType NuppelVideoPlayer::detectInterlace(FrameScanType newScan,
FrameScanType scan,
float fps, int video_height)
{
QString dbg = QString("detectInterlace(") + toQString(newScan) +
QString(", ") + toQString(scan) + QString(", ") + QString("%1").arg(fps) +
QString(", ") + QString("%1").arg(video_height) + QString(") ->");
if (kScan_Ignore != newScan || kScan_Detect == scan)
{
// The scanning mode should be decoded from the stream, but if it
// isn't, we have to guess.
scan = kScan_Interlaced; // default to interlaced
if (720 == video_height) // ATSC 720p
scan = kScan_Progressive;
else if (fps > 45) // software deinterlacing
scan = kScan_Progressive;
if (kScan_Detect != newScan)
scan = newScan;
};
VERBOSE(VB_PLAYBACK, dbg+toQString(scan));
return scan;
}
void NuppelVideoPlayer::SetKeyframeDistance(int keyframedistance)
{
keyframedist = (keyframedistance > 0) ? keyframedistance : keyframedist;
}
/** \fn NuppelVideoPlayer::FallbackDeint(void)
* \brief Fallback to non-frame-rate-doubling deinterlacing method.
*/
void NuppelVideoPlayer::FallbackDeint(void)
{
m_double_framerate = false;
m_double_process = false;
if (videosync)
videosync->SetFrameInterval(frame_interval, false);
if (osd)
osd->SetFrameInterval(frame_interval);
if (videoOutput)
videoOutput->FallbackDeint();
}
void NuppelVideoPlayer::AutoDeint(VideoFrame *frame)
{
if (!frame || m_scan_locked)
return;
if (frame->interlaced_frame)
{
if (m_scan_tracker < 0)
{
VERBOSE(VB_PLAYBACK, LOC + "interlaced frame seen after "
<< abs(m_scan_tracker) << " progressive frames");
m_scan_tracker = 2;
if (!player_ctx->buffer->isDVD())
{
VERBOSE(VB_PLAYBACK, LOC + "Locking scan to Interlaced.");
SetScanType(kScan_Interlaced);
return;
}
}
m_scan_tracker++;
}
else
{
if (m_scan_tracker > 0)