diff options
Diffstat (limited to 'device.c')
| -rw-r--r-- | device.c | 43 |
1 files changed, 41 insertions, 2 deletions
@@ -4,7 +4,7 @@ * See the main source file 'xineliboutput.c' for copyright information and * how to reach the author. * - * $Id: device.c,v 1.39 2007-09-17 23:10:19 phintuka Exp $ + * $Id: device.c,v 1.40 2007-09-17 23:29:22 phintuka Exp $ * */ @@ -217,6 +217,7 @@ cXinelibDevice::cXinelibDevice() m_TrickSpeedPts = 0; m_TrickSpeedMode = 0; m_TrickSpeedDelay = 0; + m_VDR_TrickSpeedIBP = 0; m_SkipAudio = false; m_PlayingFile = false; m_StreamStart = true; @@ -693,6 +694,25 @@ bool cXinelibDevice::SetPlayMode(ePlayMode PlayMode) #define trs_NoAudio 0x08 // no audio in trick speed mode #define trs_PTS_check 0x80 // detect in PlayVideo if PTS must be recalculated +bool cXinelibDevice::HasIBPTrickSpeed(void) +{ + TRACEF("cXinelibDevice::HasIBPTrickSpeed"); + +#ifndef DEVICE_SUPPORTS_IBP_TRICKSPEED +#warning VDR has not been patched for smooth fast forward. Disabling smooth fast forward. + return false; +#else + m_VDR_TrickSpeedIBP = true; + + return xc.ibp_trickspeed; +#endif +} + +bool cXinelibDevice::UseIBPTrickSpeed(void) +{ + return m_VDR_TrickSpeedIBP && xc.ibp_trickspeed; +} + void cXinelibDevice::TrickSpeed(int Speed) { TRACEF("cXinelibDevice::TrickSpeed"); @@ -973,7 +993,19 @@ int cXinelibDevice::PlayTrickSpeed(const uchar *buf, int length) if( m_TrickSpeed > 0 && (m_TrickSpeedMode & trs_PTS_check)) { bool Video = false, Audio = false; int64_t pts = pes_extract_pts(buf, length, Audio, Video); + if(Video && pts > 0) { + + uchar PictureType = NO_PICTURE; + ScanVideoPacket(buf, length, PictureType); + if(PictureType != I_FRAME && PictureType != NO_PICTURE) { + // --> must be fast worward with IBP frames. + // --> PTS check does not work (frames are sent in decoder order) ! */ + m_TrickSpeedPts = pts - 1; +#ifdef LOG_TRICKSPEED + LOGMSG(" Detected fast forward mode, using IBP frames"); +#endif + } if(m_TrickSpeedPts == 0) { m_TrickSpeedMode |= trs_NoAudio; m_TrickSpeedPts = pts; @@ -994,7 +1026,10 @@ int cXinelibDevice::PlayTrickSpeed(const uchar *buf, int length) #ifdef LOG_TRICKSPEED LOGMSG(" Detected fast forward mode"); #endif - m_TrickSpeedMode = trs_I_frames; + if(UseIBPTrickSpeed()) + m_TrickSpeedMode = trs_IPB_frames; + else + m_TrickSpeedMode = trs_I_frames; } } } @@ -1008,6 +1043,10 @@ int cXinelibDevice::PlayTrickSpeed(const uchar *buf, int length) int64_t pts = pes_extract_pts(buf, length, Audio, Video); if(Video && pts>0) { + /* m_TrickSpeedPts could be 0 in case of slow backwards */ + if(m_TrickSpeedPts == 0) { + m_TrickSpeedPts = pts; + } #ifdef LOG_TRICKSPEED LOGMSG(" pts %"PRId64" -> %"PRId64" (diff %"PRId64") %"PRId64"", pts, m_TrickSpeedPts + 40*12*90, m_TrickSpeedPts + 40*12*90 - pts, |