From efd7427bbee8279b8e1444681aa6f51a20d8df88 Mon Sep 17 00:00:00 2001 From: Klaus Schmidinger Date: Sat, 18 Apr 2009 14:28:15 +0200 Subject: Fixed distortions when switching to the next file during replay --- HISTORY | 1 + dvbplayer.c | 366 ++++++++++++++++++++++++++++++------------------------------ 2 files changed, 185 insertions(+), 182 deletions(-) diff --git a/HISTORY b/HISTORY index 02dbf14d..5e694c92 100644 --- a/HISTORY +++ b/HISTORY @@ -6045,3 +6045,4 @@ Video Disk Recorder Revision History values larger than 2GB. - Added cDevice::NumProvidedSystems() to PLUGINS.html (was missing since it had been implemented). +- Fixed distortions when switching to the next file during replay. diff --git a/dvbplayer.c b/dvbplayer.c index 322d2ff0..35b98a71 100644 --- a/dvbplayer.c +++ b/dvbplayer.c @@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: dvbplayer.c 2.12 2009/04/13 11:10:50 kls Exp $ + * $Id: dvbplayer.c 2.13 2009/04/18 14:18:22 kls Exp $ */ #include "dvbplayer.h" @@ -398,189 +398,191 @@ void cDvbPlayer::Action(void) int LastReadIFrame = -1; int SwitchToPlayFrame = 0; - while (Running() && (NextFile() || readIndex >= 0 || ringBuffer->Available())) { - if (Sleep) { - if (WaitingForData) - nonBlockingFileReader->WaitForDataMs(3); // this keeps the CPU load low, but reacts immediately on new data - else - cCondWait::SleepMs(3); // this keeps the CPU load low + while (Running()) { + if (WaitingForData) + nonBlockingFileReader->WaitForDataMs(3); // this keeps the CPU load low, but reacts immediately on new data + else if (Sleep) { + cPoller Poller; + DevicePoll(Poller, 10); Sleep = false; } - cPoller Poller; - if (DevicePoll(Poller, 100)) { - - LOCK_THREAD; - - // Read the next frame from the file: - - if (playMode != pmStill && playMode != pmPause) { - if (!readFrame && (replayFile || readIndex >= 0)) { - if (!nonBlockingFileReader->Reading()) { - if (!SwitchToPlayFrame && (playMode == pmFast || (playMode == pmSlow && playDir == pdBackward))) { - uint16_t FileNumber; - off_t FileOffset; - bool TimeShiftMode = index->IsStillRecording(); - int Index = -1; - readIndependent = false; - if (DeviceHasIBPTrickSpeed() && playDir == pdForward) { - if (index->Get(readIndex + 1, &FileNumber, &FileOffset, &readIndependent, &Length)) - Index = readIndex + 1; - } - else { - int d = int(round(0.4 * framesPerSecond)); - if (playDir != pdForward) - d = -d; - int NewIndex = readIndex + d; - if (NewIndex <= 0 && readIndex > 0) - NewIndex = 1; // make sure the very first frame is delivered - NewIndex = index->GetNextIFrame(NewIndex, playDir == pdForward, &FileNumber, &FileOffset, &Length, TimeShiftMode); - if (NewIndex < 0 && TimeShiftMode && playDir == pdForward) - SwitchToPlayFrame = Index; - Index = NewIndex; - readIndependent = true; - } - if (Index >= 0) { - readIndex = Index; - if (!NextFile(FileNumber, FileOffset)) - continue; - } - else - eof = true; - } - else if (index) { - uint16_t FileNumber; - off_t FileOffset; - if (index->Get(readIndex + 1, &FileNumber, &FileOffset, &readIndependent, &Length) && NextFile(FileNumber, FileOffset)) - readIndex++; - else - eof = true; - } - else // allows replay even if the index file is missing - Length = MAXFRAMESIZE; - if (Length == -1) - Length = MAXFRAMESIZE; // this means we read up to EOF (see cIndex) - else if (Length > MAXFRAMESIZE) { - esyslog("ERROR: frame larger than buffer (%d > %d)", Length, MAXFRAMESIZE); - Length = MAXFRAMESIZE; - } - b = MALLOC(uchar, Length); - } - if (!eof) { - int r = nonBlockingFileReader->Read(replayFile, b, Length); - if (r > 0) { - WaitingForData = false; - uint32_t Pts = 0; - if (readIndependent) { - Pts = isPesRecording ? PesGetPts(b) : TsGetPts(b, r); - LastReadIFrame = readIndex; - } - readFrame = new cFrame(b, -r, ftUnknown, readIndex, Pts); // hands over b to the ringBuffer - b = NULL; - } - else if (r == 0) - eof = true; - else if (r < 0 && errno == EAGAIN) - WaitingForData = true; - else if (r < 0 && FATALERRNO) { - LOG_ERROR; - break; - } - } - } - - // Store the frame in the buffer: - - if (readFrame) { - if (ringBuffer->Put(readFrame)) - readFrame = NULL; - } - } - else - Sleep = true; - - // Get the next frame from the buffer: - - if (!playFrame) { - playFrame = ringBuffer->Get(); - p = NULL; - pc = 0; - } - - // Play the frame: - - if (playFrame) { - if (!p) { - p = playFrame->Data(); - pc = playFrame->Count(); - if (p) { - if (playFrame->Index() >= 0) - ptsIndex.Put(playFrame->Pts(), playFrame->Index()); - if (firstPacket) { - if (isPesRecording) { - PlayPes(NULL, 0); - cRemux::SetBrokenLink(p, pc); - } - else - PlayTs(NULL, 0); - firstPacket = false; - } - } - } - if (p) { - int w; - if (isPesRecording) - w = PlayPes(p, pc, playMode != pmPlay && !(playMode == pmSlow && playDir == pdForward) && DeviceIsPlayingVideo()); - else - w = PlayTs(p, pc, playMode != pmPlay && !(playMode == pmSlow && playDir == pdForward) && DeviceIsPlayingVideo()); - if (w > 0) { - p += w; - pc -= w; - } - else if (w < 0 && FATALERRNO) - LOG_ERROR; - } - if (pc <= 0) { - if (!eof || (playDir != pdForward && playFrame->Index() > 0) || (playDir == pdForward && playFrame->Index() < readIndex)) - ringBuffer->Drop(playFrame); // the very first and last frame are continously repeated to flush data through the device - playFrame = NULL; - p = NULL; - } - } - else - Sleep = true; - - // Handle hitting begin/end of recording: - - if (eof || SwitchToPlayFrame) { - bool SwitchToPlay = false; - uint32_t Stc = DeviceGetSTC(); - if (Stc != LastStc) - StuckAtEof = 0; - else if (!StuckAtEof) - StuckAtEof = time(NULL); - else if (time(NULL) - StuckAtEof > MAXSTUCKATEOF) { - if (playDir == pdForward) - break; // automatically stop at end of recording - SwitchToPlay = true; - } - LastStc = Stc; - int Index = ptsIndex.FindIndex(Stc); - if (playDir == pdForward && !SwitchToPlayFrame) { - if (Index >= LastReadIFrame) - break; // automatically stop at end of recording - } - else if (Index <= 0 || SwitchToPlayFrame && Index >= SwitchToPlayFrame) - SwitchToPlay = true; - if (SwitchToPlay) { - if (!SwitchToPlayFrame) - Empty(); - DevicePlay(); - playMode = pmPlay; - playDir = pdForward; - SwitchToPlayFrame = 0; - } - } - } + { + LOCK_THREAD; + + // Read the next frame from the file: + + if (playMode != pmStill && playMode != pmPause) { + if (!readFrame && (replayFile || readIndex >= 0)) { + if (!nonBlockingFileReader->Reading()) { + if (!SwitchToPlayFrame && (playMode == pmFast || (playMode == pmSlow && playDir == pdBackward))) { + uint16_t FileNumber; + off_t FileOffset; + bool TimeShiftMode = index->IsStillRecording(); + int Index = -1; + readIndependent = false; + if (DeviceHasIBPTrickSpeed() && playDir == pdForward) { + if (index->Get(readIndex + 1, &FileNumber, &FileOffset, &readIndependent, &Length)) + Index = readIndex + 1; + } + else { + int d = int(round(0.4 * framesPerSecond)); + if (playDir != pdForward) + d = -d; + int NewIndex = readIndex + d; + if (NewIndex <= 0 && readIndex > 0) + NewIndex = 1; // make sure the very first frame is delivered + NewIndex = index->GetNextIFrame(NewIndex, playDir == pdForward, &FileNumber, &FileOffset, &Length, TimeShiftMode); + if (NewIndex < 0 && TimeShiftMode && playDir == pdForward) + SwitchToPlayFrame = Index; + Index = NewIndex; + readIndependent = true; + } + if (Index >= 0) { + readIndex = Index; + if (!NextFile(FileNumber, FileOffset)) + continue; + } + else + eof = true; + } + else if (index) { + uint16_t FileNumber; + off_t FileOffset; + if (index->Get(readIndex + 1, &FileNumber, &FileOffset, &readIndependent, &Length) && NextFile(FileNumber, FileOffset)) + readIndex++; + else + eof = true; + } + else // allows replay even if the index file is missing + Length = MAXFRAMESIZE; + if (Length == -1) + Length = MAXFRAMESIZE; // this means we read up to EOF (see cIndex) + else if (Length > MAXFRAMESIZE) { + esyslog("ERROR: frame larger than buffer (%d > %d)", Length, MAXFRAMESIZE); + Length = MAXFRAMESIZE; + } + b = MALLOC(uchar, Length); + } + if (!eof) { + int r = nonBlockingFileReader->Read(replayFile, b, Length); + if (r > 0) { + WaitingForData = false; + uint32_t Pts = 0; + if (readIndependent) { + Pts = isPesRecording ? PesGetPts(b) : TsGetPts(b, r); + LastReadIFrame = readIndex; + } + readFrame = new cFrame(b, -r, ftUnknown, readIndex, Pts); // hands over b to the ringBuffer + b = NULL; + } + else if (r == 0) + eof = true; + else if (r < 0 && errno == EAGAIN) + WaitingForData = true; + else if (r < 0 && FATALERRNO) { + LOG_ERROR; + break; + } + } + } + + // Store the frame in the buffer: + + if (readFrame) { + if (ringBuffer->Put(readFrame)) + readFrame = NULL; + else + Sleep = true; + } + } + else + Sleep = true; + + // Get the next frame from the buffer: + + if (!playFrame) { + playFrame = ringBuffer->Get(); + p = NULL; + pc = 0; + } + + // Play the frame: + + if (playFrame) { + if (!p) { + p = playFrame->Data(); + pc = playFrame->Count(); + if (p) { + if (playFrame->Index() >= 0) + ptsIndex.Put(playFrame->Pts(), playFrame->Index()); + if (firstPacket) { + if (isPesRecording) { + PlayPes(NULL, 0); + cRemux::SetBrokenLink(p, pc); + } + else + PlayTs(NULL, 0); + firstPacket = false; + } + } + } + if (p) { + int w; + if (isPesRecording) + w = PlayPes(p, pc, playMode != pmPlay && !(playMode == pmSlow && playDir == pdForward) && DeviceIsPlayingVideo()); + else + w = PlayTs(p, pc, playMode != pmPlay && !(playMode == pmSlow && playDir == pdForward) && DeviceIsPlayingVideo()); + if (w > 0) { + p += w; + pc -= w; + } + else if (w < 0 && FATALERRNO) + LOG_ERROR; + else + Sleep = true; + } + if (pc <= 0) { + if (!eof || (playDir != pdForward && playFrame->Index() > 0) || (playDir == pdForward && playFrame->Index() < readIndex)) + ringBuffer->Drop(playFrame); // the very first and last frame are continously repeated to flush data through the device + playFrame = NULL; + p = NULL; + } + } + else + Sleep = true; + + // Handle hitting begin/end of recording: + + if (eof || SwitchToPlayFrame) { + bool SwitchToPlay = false; + uint32_t Stc = DeviceGetSTC(); + if (Stc != LastStc) + StuckAtEof = 0; + else if (!StuckAtEof) + StuckAtEof = time(NULL); + else if (time(NULL) - StuckAtEof > MAXSTUCKATEOF) { + if (playDir == pdForward) + break; // automatically stop at end of recording + SwitchToPlay = true; + } + LastStc = Stc; + int Index = ptsIndex.FindIndex(Stc); + if (playDir == pdForward && !SwitchToPlayFrame) { + if (Index >= LastReadIFrame) + break; // automatically stop at end of recording + } + else if (Index <= 0 || SwitchToPlayFrame && Index >= SwitchToPlayFrame) + SwitchToPlay = true; + if (SwitchToPlay) { + if (!SwitchToPlayFrame) + Empty(); + DevicePlay(); + playMode = pmPlay; + playDir = pdForward; + SwitchToPlayFrame = 0; + } + } + } } cNonBlockingFileReader *nbfr = nonBlockingFileReader; -- cgit v1.2.3