//}}}
//{{{ SetSpeed
HavanaStatus_t HavanaPlayback_c::SetSpeed (int PlaySpeed)
{
PlayerStatus_t Status;
PlayDirection_t Direction;
Rational_t Speed;
if ((unsigned int)PlaySpeed == PLAY_SPEED_REVERSE_STOPPED)
{
Direction = PlayBackward;
PlaySpeed = PLAY_SPEED_STOPPED;
}
else if (PlaySpeed >= 0)
Direction = PlayForward;
else
{
Direction = PlayBackward;
PlaySpeed = -PlaySpeed;
}
Speed = Rational_t(PlaySpeed, PLAY_SPEED_NORMAL_PLAY);
PLAYBACK_DEBUG("Setting speed to %d.%06d\n", Speed.IntegerPart(), Speed.RemainderDecimal());
Status = Player->SetPlaybackSpeed (PlayerPlayback, Speed, Direction);
if (Status != PlayerNoError)
{
PLAYBACK_ERROR("Failed to set speed - Status = %x\n", Status);
return HavanaError;
}
return HavanaNoError;
}
OutputTimerStatus_t OutputTimer_Video_c::FrameDuration( void *ParsedAudioVideoDataParameters,
unsigned long long *Duration )
{
ParsedVideoParameters_t *ParsedVideoParameters = (ParsedVideoParameters_t *)ParsedAudioVideoDataParameters;
Rational_t TimePerFrame;
Rational_t TotalTime;
//
// Calculated as :-
// Time per frame 1000000/frame rate
// Number of frames = count 0 + count 1 divided by 2 if not a progressive sequence
//
TimePerFrame = (1000000 / ParsedVideoParameters->Content.FrameRate);
TotalTime = TimePerFrame * (ParsedVideoParameters->DisplayCount[0] + ParsedVideoParameters->DisplayCount[1]);
if( !ParsedVideoParameters->Content.Progressive )
TotalTime = TotalTime / 2;
*Duration = TotalTime.RoundedLongLongIntegerPart();
//
return OutputTimerNoError;
}
//}}}
//{{{ GetSpeed
HavanaStatus_t HavanaPlayback_c::GetSpeed(int* PlaySpeed)
{
PlayerStatus_t Status;
PlayDirection_t Direction;
Rational_t Speed;
Status = Player->GetPlaybackSpeed(PlayerPlayback, &Speed, &Direction);
if (Status != PlayerNoError)
{
PLAYBACK_ERROR("Failed to get speed - Status = %x\n", Status);
return HavanaError;
}
PLAYBACK_DEBUG("Getting speed of %d.%06d\n", Speed.IntegerPart(), Speed.RemainderDecimal());
*PlaySpeed = (int)IntegerPart(Speed * PLAY_SPEED_NORMAL_PLAY);
if (((*PlaySpeed) == PLAY_SPEED_STOPPED) && (Direction != PlayForward))
*PlaySpeed = PLAY_SPEED_REVERSE_STOPPED;
else if (Direction != PlayForward)
*PlaySpeed = -*PlaySpeed;
return HavanaNoError;
}
OutputTimerStatus_t OutputTimer_Video_c::FillOutFrameTimingRecord(
unsigned long long SystemTime,
void *ParsedAudioVideoDataParameters,
void *AudioVideoDataOutputTiming )
{
unsigned int i;
ParsedVideoParameters_t *ParsedVideoParameters = (ParsedVideoParameters_t *)ParsedAudioVideoDataParameters;
VideoOutputTiming_t *VideoOutputTiming = (VideoOutputTiming_t *)AudioVideoDataOutputTiming;
Rational_t FrameRate;
bool RemoveAnyThreeTwoPulldown;
Rational_t AccumulatedPanScanError;
Rational_t FrameCount;
Rational_t ThreeTwoJitter;
Rational_t SystemTimeError;
Rational_t Tmp;
Rational_t Speed;
PlayDirection_t Direction;
unsigned int Lose;
unsigned long long NormalSpeedExpectedDurationTime;
bool InterlacedContentOnInterlacedDisplay;
bool PartialFrame;
//
// Get the playback speed and direction for reverse field inversion
//
#if 0
report( severity_info, "NickOrd - PictureStructure = %d (%d %d %d - %d %d)\n",
ParsedVideoParameters->PictureStructure,
ParsedVideoParameters->Content.Progressive,
ParsedVideoParameters->InterlacedFrame, ParsedVideoParameters->TopFieldFirst,
ParsedVideoParameters->DisplayCount[0], ParsedVideoParameters->DisplayCount[1] );
#endif
Player->GetPlaybackSpeed( Playback, &Speed, &Direction );
//
// Adjust data for a non-paired field
//
if( ParsedVideoParameters->PictureStructure == StructureEmpty )
{
report( severity_error, "OutputTimer_Video_c::FillOutFrameTimingRecord - Empty picture structure.\n" );
VideoOutputTiming->DisplayCount[0] = 0;
VideoOutputTiming->DisplayCount[1] = 0;
return OutputTimerNoError;
}
PartialFrame = ParsedVideoParameters->PictureStructure != StructureFrame;
if( PartialFrame )
{
ParsedVideoParameters->Content.Progressive = false;
ParsedVideoParameters->InterlacedFrame = true;
ParsedVideoParameters->TopFieldFirst = ParsedVideoParameters->PictureStructure == StructureTopField;
// Temporary set to 1 to pass test
ParsedVideoParameters->DisplayCount[0] = 1; // Whole frame
if( ParsedVideoParameters->PanScan.Count > 0 )
{
ParsedVideoParameters->PanScan.Count = 1; // Whole frame
ParsedVideoParameters->PanScan.DisplayCount[0] = 1; // Whole frame
}
}
//
// Update the record of whether or not we have seen interlaced frames
//
InterlacedContentOnInterlacedDisplay = ParsedVideoParameters->InterlacedFrame &&
!VideoOutputSurfaceDescriptor->Progressive;
if( InterlacedContentOnInterlacedDisplay && !PartialFrame )
SeenInterlacedContentOnInterlacedDisplay = true;
//
// Validate the incoming frame rate, if it isn't reasonable
// then take the output rate as a reasonable stab at it.
//
FrameRate = ParsedVideoParameters->Content.FrameRate;
if( !inrange( FrameRate, 1, 120 ) )
{
report( severity_error, "OutputTimer_Video_c::FillOutFrameTimingRecord - Ridiculous frame rate %d.%06dfps.\n",
FrameRate.IntegerPart(), FrameRate.RemainderDecimal() );
FrameRate = VideoOutputSurfaceDescriptor->FrameRate;
if( !ParsedVideoParameters->Content.Progressive )
FrameRate = FrameRate / 2;
}
//
// Check for and if appropriate remove 3:2 pulldown.
// We use a very simple 3:2 detection algorithm,
// if we ever see a repeated field, for a progressive frame,
// but in a non-progressive sequence, we assume 3:2 pulldown
// is in operation.
// This may need modifying later, but for now we go with it.
//
RemoveAnyThreeTwoPulldown = inrange(FrameRate, 29, 31) &&
((VideoOutputSurfaceDescriptor->FrameRate < 51) || (Speed != 1));
if( !ThreeTwoPulldownDetected &&
!ParsedVideoParameters->Content.Progressive &&
!ParsedVideoParameters->InterlacedFrame &&
(ParsedVideoParameters->DisplayCount[0] == 2) )
{
ThreeTwoPulldownDetected = true;
//
// You are going to love this, because we are now entering 3:2 pulldown
// the accumulated error value that we have is incorrect, on the previous
// frame (before entry) we will have added to the error a value of (Fo/Fi - 1)
// where Fo and Fi are the output and input frame rates respectively. But
// we should have added (Fo/(4Fi/5) - 1), so now we need to correct the error
// by adding 1/4(Fo/Fi).
//
// Here we fudge, in most cases we know that the error will currently equal
// the initial value (Fo - Fi)/Fi, in order to make the rational not expand
// the denominator, we multiply by 4/4 making 4(Fo-Fi)/4Fi when we add Fo/4Fi
// this means we have a common denominator
//
if( RemoveAnyThreeTwoPulldown )
{
AccumulatedError = AccumulatedError * Rational_t(4,4);
AccumulatedError = AccumulatedError + (VideoOutputSurfaceDescriptor->FrameRate / ( 4 * FrameRate));
}
}
else if( ParsedVideoParameters->DisplayCount[0] > 2 )
ThreeTwoPulldownDetected = false;
//
if( ThreeTwoPulldownDetected && RemoveAnyThreeTwoPulldown )
{
FrameRate = (FrameRate * 4) / 5; // e.g. 29.970 -> 23.976
if( ParsedVideoParameters->DisplayCount[0] == 2 )
{
//
// Remove the extra field, and also adjust the system
// time to remove the jitter added by 3:2 pulldown
//
ParsedVideoParameters->DisplayCount[0] = 1;
if( SystemTime != UNSPECIFIED_TIME )
{
ThreeTwoJitter = 200000 / FrameRate;
SystemTime = SystemTime + ThreeTwoJitter.RoundedLongLongIntegerPart();
}
//
// Do we also need to remove the 3:2 pulldown affects from the pan scan vectors
//
if( (ParsedVideoParameters->PanScan.Count == 3) && (ParsedVideoParameters->PanScan.DisplayCount[1] == 1) )
{
ParsedVideoParameters->PanScan.DisplayCount[1] = ParsedVideoParameters->PanScan.DisplayCount[2];
ParsedVideoParameters->PanScan.HorizontalOffset[1] = ParsedVideoParameters->PanScan.HorizontalOffset[2];
ParsedVideoParameters->PanScan.VerticalOffset[1] = ParsedVideoParameters->PanScan.VerticalOffset[2];
ParsedVideoParameters->PanScan.Count = 2;
}
else if( ParsedVideoParameters->PanScan.Count != 0 )
ParsedVideoParameters->PanScan.DisplayCount[0]--;
}
}
//
// Do we need to re-calculate the field/frame count multiplier
//
if( (AdjustedSpeedAfterFrameDrop != LastAdjustedSpeedAfterFrameDrop) ||
(FrameRate != PreviousFrameRate) ||
(VideoOutputSurfaceDescriptor->FrameRate != PreviousDisplayFrameRate) ||
(ParsedVideoParameters->Content.Progressive != PreviousContentProgressive) )
{
//
// Re-calculate frame rate conversion parameters,
// NOTE we do not reset the accumulated error, we
// leave it accumulating, except when we transit to a mode
// where there is no error IE when the multiplier is 1.
//
CountMultiplier = VideoOutputSurfaceDescriptor->FrameRate / (AdjustedSpeedAfterFrameDrop * FrameRate );
if( !ParsedVideoParameters->Content.Progressive )
CountMultiplier = CountMultiplier / 2;
if( CountMultiplier == 1 )
AccumulatedError = 0;
//
Tmp = 1000000 / VideoOutputSurfaceDescriptor->FrameRate;
FrameDurationTime = Tmp.LongLongIntegerPart();
Tmp = 1000000 / FrameRate;
if( !ParsedVideoParameters->Content.Progressive )
Tmp = Tmp / 2;
SourceFrameDurationTime = Tmp.LongLongIntegerPart();
PreviousFrameRate = FrameRate;
PreviousDisplayFrameRate = VideoOutputSurfaceDescriptor->FrameRate;
PreviousContentProgressive = ParsedVideoParameters->Content.Progressive;
LastAdjustedSpeedAfterFrameDrop = AdjustedSpeedAfterFrameDrop;
#if 0
report( severity_info, "OutputTimer_Video_c::FillOutFrameTimingRecord - DisplayFrameRate %d.%06d, ContentFrameRate %d.%06d, CountMultiplier %d.%06d\n",
PreviousDisplayFrameRate.IntegerPart(), PreviousDisplayFrameRate.RemainderDecimal(),
PreviousFrameRate.IntegerPart(), PreviousFrameRate.RemainderDecimal(),
CountMultiplier.IntegerPart(), CountMultiplier.RemainderDecimal() );
#endif
}
//
// Jitter the output time by the accumulated error
//
if( SystemTime != UNSPECIFIED_TIME )
{
SystemTimeError = AccumulatedError * FrameDurationTime;
if( InterlacedContentOnInterlacedDisplay && !PartialFrame )
SystemTimeError = SystemTimeError * 2;
SystemTime = SystemTime - SystemTimeError.LongLongIntegerPart();
}
//
// Calculate the field counts
//
AccumulatedPanScanError = AccumulatedError;
FrameCount = (CountMultiplier * ParsedVideoParameters->DisplayCount[0]) + AccumulatedError;
VideoOutputTiming->DisplayCount[0] = FrameCount.IntegerPart();
AccumulatedError = FrameCount.Remainder();
if( PartialFrame )
{
VideoOutputTiming->DisplayCount[0] = 1;
VideoOutputTiming->DisplayCount[1] = 0;
}
else if( InterlacedContentOnInterlacedDisplay )
{
if( ParsedVideoParameters->DisplayCount[0] != ParsedVideoParameters->DisplayCount[1] )
report( severity_error, "OutputTimer_Video_c::FillOutFrameTimingRecord - Interlaced content expected identical field counts (%d - %d)\n", ParsedVideoParameters->DisplayCount[0], ParsedVideoParameters->DisplayCount[1] );
VideoOutputTiming->DisplayCount[1] = VideoOutputTiming->DisplayCount[0];
}
else if( !ParsedVideoParameters->Content.Progressive )
{
FrameCount = (CountMultiplier * ParsedVideoParameters->DisplayCount[1]) + AccumulatedError;
VideoOutputTiming->DisplayCount[1] = FrameCount.IntegerPart();
AccumulatedError = FrameCount.Remainder();
}
else
VideoOutputTiming->DisplayCount[1] = 0;
//
// Calculate the panscan field counts
//
memcpy( &VideoOutputTiming->PanScan, &ParsedVideoParameters->PanScan, sizeof(PanScan_t) );
if( InterlacedContentOnInterlacedDisplay && (VideoOutputTiming->PanScan.Count != 0) )
{
if( VideoOutputTiming->PanScan.Count == 1 )
{
VideoOutputTiming->PanScan.DisplayCount[0] = VideoOutputTiming->DisplayCount[0] + VideoOutputTiming->DisplayCount[1];
}
else if( VideoOutputTiming->PanScan.Count == 2 )
{
VideoOutputTiming->PanScan.DisplayCount[0] = VideoOutputTiming->DisplayCount[0];
VideoOutputTiming->PanScan.DisplayCount[1] = VideoOutputTiming->DisplayCount[1];
}
else
{
report( severity_error, "OutputTimer_Video_c::FillOutFrameTimingRecord - Interlaced content 0,1 or 2 pan scan values (%d)\n", VideoOutputTiming->PanScan.Count );
}
}
else
{
for( i=0; i<VideoOutputTiming->PanScan.Count; i++ )
{
FrameCount = (CountMultiplier * VideoOutputTiming->PanScan.DisplayCount[i]) + AccumulatedPanScanError;
VideoOutputTiming->PanScan.DisplayCount[i] = FrameCount.IntegerPart();
AccumulatedPanScanError = FrameCount.Remainder();
}
}
//
{
// Some nick debug
unsigned int Count;
if( VideoOutputTiming->PanScan.Count != 0 )
{
Count = VideoOutputTiming->DisplayCount[0];
if( !ParsedVideoParameters->Content.Progressive )
Count += VideoOutputTiming->DisplayCount[1];
for( i=0; i<VideoOutputTiming->PanScan.Count; i++ )
Count -= VideoOutputTiming->PanScan.DisplayCount[i];
if( Count != 0 )
{
report( severity_error, "OutputTimer_Video_c::FillOutFrameTimingRecord - Pan scan counts and display counts do not match.\n" );
report( severity_info, " Display %2d %2d => %2d %2d\n", ParsedVideoParameters->DisplayCount[0], ParsedVideoParameters->DisplayCount[1], VideoOutputTiming->DisplayCount[0], VideoOutputTiming->DisplayCount[1] );
report( severity_info, " Pan Scan %2d %2d %2d => %2d %2d %2d\n",
ParsedVideoParameters->PanScan.DisplayCount[0], ParsedVideoParameters->PanScan.DisplayCount[1], ParsedVideoParameters->PanScan.DisplayCount[2],
VideoOutputTiming->PanScan.DisplayCount[0], VideoOutputTiming->PanScan.DisplayCount[1], VideoOutputTiming->PanScan.DisplayCount[2] );
}
}
}
//
// Are we in the process of performing an avsync correction
//
if( (LoseFramesForSynchronization != 0) && ((VideoOutputTiming->DisplayCount[0] + VideoOutputTiming->DisplayCount[1]) != 0) )
{
if( InterlacedContentOnInterlacedDisplay && !PartialFrame )
{
Lose = min( LoseFramesForSynchronization/2, VideoOutputTiming->DisplayCount[0] );
LoseFramesForSynchronization -= 2 * Lose;
VideoOutputTiming->DisplayCount[0] -= Lose;
VideoOutputTiming->DisplayCount[1] -= Lose;
}
else
{
Lose = min( LoseFramesForSynchronization, VideoOutputTiming->DisplayCount[0] );
LoseFramesForSynchronization -= Lose;
VideoOutputTiming->DisplayCount[0] -= Lose;
Lose = min( LoseFramesForSynchronization, VideoOutputTiming->DisplayCount[1] );
LoseFramesForSynchronization -= Lose;
VideoOutputTiming->DisplayCount[1] -= Lose;
}
}
//
// After all of that wondeful calculation, we now
// override the lot of it if we are single stepping.
//
if( Speed == 0 )
{
VideoOutputTiming->DisplayCount[0] = 1;
if( !ParsedVideoParameters->Content.Progressive )
VideoOutputTiming->DisplayCount[1] = 1;
}
//
// Fill in the other timing parameters, adjusting the decode time (for decode window porch control).
//
VideoOutputTiming->SystemPlaybackTime = SystemTime;
VideoOutputTiming->ExpectedDurationTime = FrameDurationTime * (VideoOutputTiming->DisplayCount[0] + VideoOutputTiming->DisplayCount[1]);
VideoOutputTiming->ActualSystemPlaybackTime = INVALID_TIME;
VideoOutputTiming->Interlaced = ParsedVideoParameters->InterlacedFrame;
VideoOutputTiming->TopFieldFirst = ParsedVideoParameters->TopFieldFirst;
//
// Apply an update to the frame decode time,
// based on the native decode duration,
// rather than the adjusted for speed decode duration
//
NormalSpeedExpectedDurationTime = SourceFrameDurationTime * (ParsedVideoParameters->DisplayCount[0] + ParsedVideoParameters->DisplayCount[1]);
Configuration.FrameDecodeTime = max( NormalSpeedExpectedDurationTime, Configuration.FrameDecodeTime);
//
// Apply an update to the next expected playback time, used to spot PTS jumps
//
PlaybackTimeIncrement = NormalSpeedExpectedDurationTime;
//
// If we are running in reverse and an interlaced frame, then reverse the fields
// This also involves reversing the display counts, and the pan scan arrays.
//
if( !ParsedVideoParameters->Content.Progressive &&
Direction == PlayBackward )
{
unsigned int Tmp;
int Tmpi;
unsigned int Cnt;
VideoOutputTiming->TopFieldFirst = !VideoOutputTiming->TopFieldFirst;
Tmp = VideoOutputTiming->DisplayCount[0];
VideoOutputTiming->DisplayCount[0] = VideoOutputTiming->DisplayCount[1];
VideoOutputTiming->DisplayCount[1] = Tmp;
Cnt = VideoOutputTiming->PanScan.Count;
for( i=0; i<Cnt/2; i++ )
{
Tmp = VideoOutputTiming->PanScan.DisplayCount[i];
VideoOutputTiming->PanScan.DisplayCount[i] = VideoOutputTiming->PanScan.DisplayCount[Cnt - 1 - i];
VideoOutputTiming->PanScan.DisplayCount[Cnt - 1 - i] = Tmp;
Tmpi = VideoOutputTiming->PanScan.HorizontalOffset[i];
VideoOutputTiming->PanScan.HorizontalOffset[i] = VideoOutputTiming->PanScan.HorizontalOffset[Cnt - 1 - i];
VideoOutputTiming->PanScan.HorizontalOffset[Cnt - 1 - i] = Tmpi;
Tmpi = VideoOutputTiming->PanScan.VerticalOffset[i];
VideoOutputTiming->PanScan.VerticalOffset[i] = VideoOutputTiming->PanScan.VerticalOffset[Cnt - 1 - i];
VideoOutputTiming->PanScan.VerticalOffset[Cnt - 1 - i] = Tmpi;
}
}
//
// Finally, if we have a zero first field count we move the second field count up,
// and invert the top field first flag. Also we shuffle up and zero pan scan field counts.
// NOTE the shuffle uses while, it makes the code simple, and if it passes through twice,
// I will be a monkeys uncle.
//
if( VideoOutputTiming->DisplayCount[0] == 0 )
{
VideoOutputTiming->DisplayCount[0] = VideoOutputTiming->DisplayCount[1];
VideoOutputTiming->DisplayCount[1] = 0;
VideoOutputTiming->TopFieldFirst = !VideoOutputTiming->TopFieldFirst;
}
while( (VideoOutputTiming->PanScan.Count != 0) && (VideoOutputTiming->PanScan.DisplayCount[0] == 0) )
{
VideoOutputTiming->PanScan.Count--;
for( i=0; i<VideoOutputTiming->PanScan.Count; i++ )
{
VideoOutputTiming->PanScan.DisplayCount[i] = VideoOutputTiming->PanScan.DisplayCount[i+1];
VideoOutputTiming->PanScan.HorizontalOffset[i] = VideoOutputTiming->PanScan.HorizontalOffset[i+1];
VideoOutputTiming->PanScan.VerticalOffset[i] = VideoOutputTiming->PanScan.VerticalOffset[i+1];
}
}
//
#if 0
{
static unsigned long long LastSystemTime = INVALID_TIME;
if( LastSystemTime == INVALID_TIME )
LastSystemTime = SystemTime;
report( severity_info, "Timing Out %12lld - Error was %12lld\n", SystemTime - LastSystemTime, SystemTimeError.LongLongIntegerPart() );
report( severity_info, "Display %d (3:2 %d %d) (%d %d) - %2d %2d => %2d %2d\n", ParsedVideoParameters->PictureStructure, ThreeTwoPulldownDetected, RemoveAnyThreeTwoPulldown, ParsedVideoParameters->InterlacedFrame, ParsedVideoParameters->TopFieldFirst, ParsedVideoParameters->DisplayCount[0], ParsedVideoParameters->DisplayCount[1], VideoOutputTiming->DisplayCount[0], VideoOutputTiming->DisplayCount[1] );
LastSystemTime = SystemTime;
}
#endif
return OutputTimerNoError;
}
