Release Version 0.5.1

avcodec_flush_buffers crash fix.

ChangeLog

@@ -1,3 +1,56 @@
+User johns
+Date: Tue Jul  3 16:35:46 CEST 2012
+
+    Release Version 0.5.1
+    Add commandline support to disable hardware decoder.
+    Display frame statistics in plugin menu.
+    Fix bug: 100% CPU use during playback.
+    Fix bug: audio use 100% CPU during pause.
+    Guard audio skip against old PTS values.
+    Improved audio skip, after channel switch.
+    Setup add preview of collapsed tree.
+    Fix bug: dvd plugin times out.
+    Makes OSD size configurable.
+    Support display with non-square pixels.
+    Initial ADTS (AAC+) support.
+    Fix bug #959: log flooded with service messages.
+
+User durchflieger
+Date: Mon Apr 30 14:46:51 CEST 2012
+
+    Adds VDR DFAtmo Plugin support.
+
+User johns
+Date: Mon Apr 30 13:56:26 CEST 2012
+
+    Fix bug: don't normalize or compress pass-through samples.
+    Make audio ring buffer size a multiple of 3,5,7,8.
+    Add reset ring buffer support.
+    Fix bug: alloca wrong size for audio buffer.
+    Handle jump in stream like stream start.
+    Always compile audio drift correction.
+    Add audio drift correction configuration to the setup.
+
+User mini73
+Date: Fri Apr 20 16:51:14 CEST 2012
+
+    Add support for svdr command "stat".
+
+User johns
+Date: Fri Apr 20 16:05:40 CEST 2012
+
+    Made showing black picture configurable.
+    Show black picture, if no video stream is available.
+    Setup split into foldable sections.
+    Adds show cursor on pointer move and hide after 200ms.
+    Adds Hot-key support for auto-crop enable/disable/toggle.
+    Adds detached start mode.
+    Fix bug: VDPAU looses preemption callback.
+    Fix bug: X11 server keeps sending USR1 signals, which confuses suspend.
+    Show message for hot-keys.
+    Fix bug: playback errors with old PES recordings.
+    Adds Hot-key support for 4:3 zoom modes.
+
 User johns
 Date: Sat Apr  7 20:21:16 CEST 2012
 

Makefile

@@ -19,8 +19,6 @@ GIT_REV = $(shell git describe --always 2>/dev/null)
 ### Configuration (edit this for your needs)
 
 CONFIG := #-DDEBUG
-#CONFIG += -DUSE_AUDIO_DRIFT_CORRECTION	# build new audio drift code
-#CONFIG += -DUSE_AC3_DRIFT_CORRECTION	# build new ac-3 drift code
 CONFIG += -DAV_INFO -DAV_INFO_TIME=3000	# debug a/v sync
 #CONFIG += -DHAVE_PTHREAD_NAME		# supports new pthread_setname_np
 #CONFIG += -DNO_TS_AUDIO		# disable ts audio parser
@@ -47,7 +45,7 @@ TMPDIR ?= /tmp
 
 ### Make sure that necessary options are included:
 
-include $(VDRDIR)/Make.global
+-include $(VDRDIR)/Make.global
 
 ### Allow user defined options to overwrite defaults:
 

README.txt

@@ -26,19 +26,19 @@ A software and GPU emulated HD output device plugin for VDR.
     o Audio FFMpeg / Alsa / Digital
     o Audio FFMpeg / OSS / Analog
     o HDMI/SPDIF pass-through
+    o Software volume, compression, normalize and channel resample
     o YaepgHD support
     o Software deinterlacer Bob (VA-API only)
     o Autocrop
     o Grab image (VDPAU only)
     o Suspend
     o Letterbox, Stretch and Center cut-out video display modes
+    o atmo light support with plugin http://github.com/durchflieger/DFAtmo
 
     o planned: Video decoder VA-API Branch: vaapi-ext/staging
     o planned: Video output XvBA / Opengl / Xv
     o planned: VA-API grab image
     o planned: Improved Software Deinterlacer (yadif or/and ffmpeg filters)
-    o planned: software volume, software channel resample
-    o planned: atmo light support
 
 To compile you must have the 'requires' installed.
 
@@ -108,12 +108,17 @@ Setup: /etc/vdr/setup.conf
 ------
 	Following is supported:
 
-	softhddevice.MakePrimary = 1
+	softhddevice.MakePrimary = 0
 	0 = no change, 1 make softhddevice primary at start
 
 	softhddevice.HideMainMenuEntry = 0
 	0 = show softhddevice main menu entry, 1 = hide entry
 
+	softhddevice.Osd.Width = 0
+	0 = auto (=display, unscaled) n = fixed osd size scaled for display
+	softhddevice.Osd.Height = 0
+	0 = auto (=display, unscaled) n = fixed osd size scaled for display
+
 	<res> of the next parameters is 576i, 720p, 1080i_fake or 1080i.
 	1080i_fake is 1280x1080 or 1440x1080
 	1080i is "real" 1920x1080
@@ -157,6 +162,29 @@ Setup: /etc/vdr/setup.conf
 	0 = none, 1 = downmix
 	downmix AC-3 to stero.
 
+	softhddevice.AudioSoftvol = 0
+	0 = off, use hardware volume control
+	1 = on, use software volume control
+
+	softhddevice.AudioNormalize = 0
+	0 = off, 1 = enable audio normalize
+
+	softhddevice.AudioMaxNormalize = 0
+	maximal volume factor/1000 of the normalize filter
+
+	softhddevice.AudioCompression = 0
+	0 = off, 1 = enable audio compression
+
+	softhddevice.AudioMaxCompression = 0
+	maximal volume factor/1000 of the compression filter
+
+	softhddevice.AudioStereoDescent = 0
+	reduce volume level (/1000) for stereo sources
+
+	softhddevice.AudioBufferTime = 0
+	0 = default (336 ms)
+	1 - 1000 = size of the buffer in ms
+
 	softhddevice.AutoCrop.Interval = 0
 	0 disables auto-crop
 	n each 'n' frames auto-crop is checked.
@@ -196,6 +224,10 @@ Setup: /etc/vdr/setup.conf
 	0 disable soft start of audio/video sync
 	1 enable soft start of audio/video sync
 
+	softhddevice.BlackPicture = 0
+	0 disable black picture during channel switch
+	1 enable black picture during channel switch
+
 	VideoDisplayFormat = ?
 	0 pan and scan
 	1 letter box
@@ -248,6 +280,18 @@ Keymacros:
 	@softhddevice Blue 1 0		disable pass-through
 	@softhddevice Blue 1 1		enable pass-through
 	@softhddevice Blue 1 2		toggle pass-through
+	@softhddevice Blue 1 3		decrease audio delay by 10ms
+	@softhddevice Blue 1 4		increase audio delay by 10ms
+	@softhddevice Blue 2 0		disable fullscreen
+	@softhddevice Blue 2 1		enable fullscreen
+	@softhddevice Blue 2 2		toggle fullscreen
+	@softhddevice Blue 2 3		disable auto-crop
+	@softhddevice Blue 2 4		enable auto-crop
+	@softhddevice Blue 2 5		toggle auto-crop
+	@softhddevice Blue 3 0		stretch 4:3 to 16:9
+	@softhddevice Blue 3 1		letter box 4:3 in 16:9
+	@softhddevice Blue 3 2		center cut-out 4:3 to 16:9
+	@softhddevice Blue 3 9		rotate 4:3 to 16:9 zoom mode
 
 Running:
 --------
@@ -259,6 +303,11 @@ Warning:
 --------
 	libav is not supported, expect many bugs with it.
 
+Known Bugs:
+-----------
+	VA-API doesn't v-sync 1080i streams
+	vdr-image not working
+
 Requires:
 ---------
 	media-video/ffmpeg (version >=0.7)

Todo

@@ -37,6 +37,8 @@ video:
     radio no need to wait on video buffers
     starting with radio and own X11 server, shows no video
     some low-bandwidth tv channels have hiccups.
+    check start with 24Hz display rate
+    crash with ffmpeg without vaapi and vdpau.
 
 vdpau:
     software decoder path not working
@@ -73,10 +75,8 @@ x11:
     support embedded mode
 
 audio:
-    Combine alsa+oss ringbuffer code.
     Make alsa thread/polled and oss thread/polled output module runtime
     selectable.
-    software volume support (could be done with asound.conf)
     Mute should do a real mute and not only set volume to zero.
     Starting suspended and muted, didn't register the mute.
     Relaxed audio sync checks at end of packet and already in sync
@@ -84,12 +84,10 @@ audio:
     only wait for video start, if video is running.
     Not primary device, don't use and block audio/video.
     multiple open of audio device, reduce them.
+    Not all channel conversions are written (f.e. 2->3 ... 5->6 ...)
 
 audio/alsa:
-    better downmix of >2 channels on 2 channel hardware
     remix support of unsupported sample rates
-    libav supports only resample of mono to 2 channels
-    ffmpeg didn't support resample of 5 to 2 channels
 
 audio/oss:
     alsa oss emulation mixer "pcm" not working
@@ -124,7 +122,6 @@ future features (not planed for 1.0 - 1.5)
     video out with opengl
     video out with xvba
     software decoder for xv / opengl
-    atmolight support
     multistream handling
     pip support
     save and use auto-crop with channel zapping

audio.h

@@ -42,6 +42,10 @@ extern void AudioPlay(void);		///< play audio
 extern void AudioPause(void);		///< pause audio
 
 extern void AudioSetBufferTime(int);	///< set audio buffer time
+extern void AudioSetSoftvol(int);	///< enable/disable softvol
+extern void AudioSetNormalize(int, int);	///< set normalize parameters
+extern void AudioSetCompression(int, int);	///< set compression parameters
+extern void AudioSetStereoDescent(int);	///< set stereo loudness descent
 
 extern void AudioSetDevice(const char *);	///< set PCM audio device
 extern void AudioSetDeviceAC3(const char *);	///< set pass-through device

codec.c

@@ -33,7 +33,9 @@
     /// compile with passthrough support (stable, ac3 only)
 #define USE_PASSTHROUGH
     /// compile audio drift correction support (experimental)
-#define noUSE_AUDIO_DRIFT_CORRECTION
+#define USE_AUDIO_DRIFT_CORRECTION
+    /// compile AC3 audio drift correction support (experimental)
+#define USE_AC3_DRIFT_CORRECTION
 
 #include <stdio.h>
 #include <unistd.h>
@@ -583,7 +585,9 @@ void CodecVideoDecode(VideoDecoder * decoder, const AVPacket * avpkt)
 */
 void CodecVideoFlushBuffers(VideoDecoder * decoder)
 {
-    avcodec_flush_buffers(decoder->VideoCtx);
+    if (decoder->VideoCtx) {
+	avcodec_flush_buffers(decoder->VideoCtx);
+    }
 }
 
 //----------------------------------------------------------------------------
@@ -631,6 +635,11 @@ struct _audio_decoder_
     int RemainCount;			///< number of remaining samples
 };
 
+#ifdef USE_AUDIO_DRIFT_CORRECTION
+static char CodecAudioDrift;		///< flag: enable audio-drift correction
+#else
+static const int CodecAudioDrift = 0;
+#endif
 #ifdef USE_PASSTHROUGH
 //static char CodecPassthroughPCM;	///< pass pcm through (unsupported)
 static char CodecPassthroughAC3;	///< pass ac3 through
@@ -773,8 +782,23 @@ void CodecAudioClose(AudioDecoder * audio_decoder)
     }
 }
 
+/**
+**	Set audio drift correction.
+**
+**	@param mask	enable mask (PCM, AC3)
+*/
+void CodecSetAudioDrift(int mask)
+{
+#ifdef USE_AUDIO_DRIFT_CORRECTION
+    CodecAudioDrift = mask & 3;
+#endif
+    (void)mask;
+}
+
 /**
 **	Set audio pass-through.
+**
+**	@param mask	enable mask (PCM, AC3)
 */
 void CodecSetAudioPassthrough(int mask)
 {
@@ -791,6 +815,10 @@ void CodecSetAudioPassthrough(int mask)
 */
 void CodecSetAudioDownmix(int onoff)
 {
+    if (onoff == -1) {
+	CodecDownmix ^= 1;
+	return;
+    }
     CodecDownmix = onoff;
 }
 
@@ -882,7 +910,7 @@ static void CodecAudioSetClock(AudioDecoder * audio_decoder, int64_t pts)
 	audio_decoder->LastDelay = delay;
 	audio_decoder->Drift = 0;
 	audio_decoder->DriftFrac = 0;
-	Debug(3, "codec/audio: inital delay %zd ms\n", delay / 90);
+	Debug(3, "codec/audio: inital delay %" PRId64 "ms\n", delay / 90);
 	return;
     }
     // collect over some time
@@ -906,9 +934,10 @@ static void CodecAudioSetClock(AudioDecoder * audio_decoder, int64_t pts)
     audio_decoder->LastDelay = delay;
 
     if (0) {
-	Debug(3, "codec/audio: interval P:%5zdms T:%5zdms D:%4zdms %f %d\n",
-	    pts_diff / 90, tim_diff / (1000 * 1000), delay / 90, drift / 90.0,
-	    audio_decoder->DriftCorr);
+	Debug(3,
+	    "codec/audio: interval P:%5zdms T:%5" PRId64 "ms D:%4" PRId64
+	    "ms %f %d\n", pts_diff / 90, tim_diff / (1000 * 1000), delay / 90,
+	    drift / 90.0, audio_decoder->DriftCorr);
     }
     // underruns and av_resample have the same time :(((
     if (abs(drift) > 10 * 90) {
@@ -916,17 +945,17 @@ static void CodecAudioSetClock(AudioDecoder * audio_decoder, int64_t pts)
 	Debug(3, "codec/audio: drift(%6d) %3dms reset\n",
 	    audio_decoder->DriftCorr, drift / 90);
 	audio_decoder->LastDelay = 0;
+#ifdef DEBUG
+	corr = 0;			// keep gcc happy
+#endif
     } else {
 
 	drift += audio_decoder->Drift;
 	audio_decoder->Drift = drift;
 	corr = (10 * audio_decoder->HwSampleRate * drift) / (90 * 1000);
-#if defined(USE_PASSTHROUGH) && !defined(USE_AC3_DRIFT_CORRECTION)
 	// SPDIF/HDMI passthrough
-	if (!CodecPassthroughAC3
-	    || audio_decoder->AudioCtx->codec_id != CODEC_ID_AC3)
-#endif
-	{
+	if ((CodecAudioDrift & 2) && (!CodecPassthroughAC3
+		|| audio_decoder->AudioCtx->codec_id != CODEC_ID_AC3)) {
 	    audio_decoder->DriftCorr = -corr;
 	}
 
@@ -949,8 +978,14 @@ static void CodecAudioSetClock(AudioDecoder * audio_decoder, int64_t pts)
 	av_resample_compensate(audio_decoder->AvResample,
 	    audio_decoder->DriftCorr / 10, distance);
     }
-    Debug(3, "codec/audio: drift(%6d) %8dus %5d\n", audio_decoder->DriftCorr,
-	drift * 1000 / 90, corr);
+    if (1) {
+	static int c;
+
+	if (!(c++ % 10)) {
+	    Debug(3, "codec/audio: drift(%6d) %8dus %5d\n",
+		audio_decoder->DriftCorr, drift * 1000 / 90, corr);
+	}
+    }
 }
 
 /**
@@ -1025,7 +1060,7 @@ static void CodecAudioUpdateFormat(AudioDecoder * audio_decoder)
     }
     // prepare audio drift resample
 #ifdef USE_AUDIO_DRIFT_CORRECTION
-    if (!isAC3) {
+    if ((CodecAudioDrift & 1) && !isAC3) {
 	if (audio_decoder->AvResample) {
 	    Error(_("codec/audio: overwrite resample\n"));
 	}
@@ -1056,7 +1091,7 @@ static void CodecAudioUpdateFormat(AudioDecoder * audio_decoder)
 void CodecAudioEnqueue(AudioDecoder * audio_decoder, int16_t * data, int count)
 {
 #ifdef USE_AUDIO_DRIFT_CORRECTION
-    if (audio_decoder->AvResample) {
+    if ((CodecAudioDrift & 1) && audio_decoder->AvResample) {
 	int16_t buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 4 +
 	    FF_INPUT_BUFFER_PADDING_SIZE] __attribute__ ((aligned(16)));
 	int16_t buftmp[MAX_CHANNELS][(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 4];
@@ -1211,7 +1246,7 @@ void CodecAudioDecode(AudioDecoder * audio_decoder, const AVPacket * avpkt)
 		buf_sz = 6144;
 
 #ifdef USE_AC3_DRIFT_CORRECTION
-		if (1) {
+		if (CodecAudioDrift & 2) {
 		    int x;
 
 		    x = (audio_decoder->DriftFrac +

codec.h

@@ -67,8 +67,14 @@ extern void CodecAudioOpen(AudioDecoder *, const char *, int);
     /// Close audio codec.
 extern void CodecAudioClose(AudioDecoder *);
 
-    /// Decode an audio packet.
-extern void CodecAudioDecodeOld(AudioDecoder *, const AVPacket *);
+    /// Set audio drift correction.
+extern void CodecSetAudioDrift(int);
+
+    /// Set audio pass-through.
+extern void CodecSetAudioPassthrough(int);
+
+    /// Set audio downmix.
+extern void CodecSetAudioDownmix(int);
 
     /// Decode an audio packet.
 extern void CodecAudioDecode(AudioDecoder *, const AVPacket *);

ringbuffer.c

@@ -48,6 +48,18 @@ struct _ring_buffer_
     atomic_t Filled;			///< how many of the buffer is used
 };
 
+/**
+**	Reset ring buffer pointers.
+**
+**	@param rb	Ring buffer to reset read/write pointers.
+*/
+void RingBufferReset(RingBuffer * rb)
+{
+    rb->ReadPointer = rb->Buffer;
+    rb->WritePointer = rb->Buffer;
+    atomic_set(&rb->Filled, 0);
+}
+
 /**
 **	Allocate a new ring buffer.
 **
@@ -69,10 +81,8 @@ RingBuffer *RingBufferNew(size_t size)
     }
 
     rb->Size = size;
-    rb->ReadPointer = rb->Buffer;
-    rb->WritePointer = rb->Buffer;
     rb->BufferEnd = rb->Buffer + size;
-    atomic_set(&rb->Filled, 0);
+    RingBufferReset(rb);
 
     return rb;
 }
@@ -89,7 +99,7 @@ void RingBufferDel(RingBuffer * rb)
 /**
 **	Advance write pointer in ring buffer.
 **
-**	@param rb	Ring buffer to adance write pointer.
+**	@param rb	Ring buffer to advance write pointer.
 **	@param cnt	Number of bytes to be adavanced.
 **
 **	@returns	Number of bytes that could be advanced in ring buffer.
@@ -198,7 +208,7 @@ size_t RingBufferGetWritePointer(RingBuffer * rb, void **wp)
 /**
 **	Advance read pointer in ring buffer.
 **
-**	@param rb	Ring buffer to adance read pointer.
+**	@param rb	Ring buffer to advance read pointer.
 **	@param cnt	Number of bytes to be advanced.
 **
 **	@returns	Number of bytes that could be advanced in ring buffer.

ringbuffer.h

@@ -23,13 +23,16 @@
 /// @addtogroup Ringbuffer
 /// @{
 
-    ///< ring buffer typedef
+    /// ring buffer typedef
 typedef struct _ring_buffer_ RingBuffer;
 
-    ///< create new ring buffer
+    /// reset ring buffer pointers
+extern void RingBufferReset(RingBuffer *);
+
+    /// create new ring buffer
 extern RingBuffer *RingBufferNew(size_t);
 
-    ///< free ring buffer
+    /// free ring buffer
 extern void RingBufferDel(RingBuffer *);
 
     /// write into ring buffer

softhddev.c

@@ -61,6 +61,7 @@ static char ConfigVdpauDecoder = 1;	///< use vdpau decoder, if possible
 #define ConfigVdpauDecoder 0		///< no vdpau decoder configured
 #endif
 
+extern int ConfigAudioBufferTime;	///< config size ms of audio buffer
 static char ConfigStartSuspended;	///< flag to start in suspend mode
 static char ConfigFullscreen;		///< fullscreen modus
 static char ConfigStartX11Server;	///< flag start the x11 server
@@ -347,8 +348,8 @@ static int Ac3Check(const uint8_t * data, int size)
     frmsizcod = data[4] & 0x3F;		// invalid is checked by fast
     frame_size = Ac3FrameSizeTable[frmsizcod][fscod] * 2;
 
-    if (frame_size + 2 > size) {
-	return -frame_size - 2;
+    if (frame_size + 5 > size) {
+	return -frame_size - 5;
     }
     // check if after this frame a new AC-3 frame starts
     if (FastAc3Check(data + frame_size)) {
@@ -358,6 +359,71 @@ static int Ac3Check(const uint8_t * data, int size)
     return 0;
 }
 
+///
+///	Fast check for ADTS Audio Data Transport Stream.
+///
+///	7/9 bytes 0xFFFxxxxxxxxxxx(xxxx)  ADTS audio
+///
+static inline int FastAdtsCheck(const uint8_t * p)
+{
+    if (p[0] != 0xFF) {			// 12bit sync
+	return 0;
+    }
+    if ((p[1] & 0xF6) != 0xF0) {	// sync + layer must be 0
+	return 0;
+    }
+    if ((p[2] & 0x3C) == 0x3C) {	// sampling frequency index != 15
+	return 0;
+    }
+    return 1;
+}
+
+///
+///	Check for ADTS Audio Data Transport Stream.
+///
+///	0xFFF already checked.
+///
+///	@param data	incomplete PES packet
+///	@param size	number of bytes
+///
+///	@retval <0	possible ADTS audio, but need more data
+///	@retval 0	no valid ADTS audio
+///	@retval >0	valid AC-3 audio
+///
+///	AAAAAAAA AAAABCCD EEFFFFGH HHIJKLMM MMMMMMMM MMMOOOOO OOOOOOPP
+///	(QQQQQQQQ QQQQQQQ)
+///
+///	o A*12	syncword 0xFFF
+///	o B*1	MPEG Version: 0 for MPEG-4, 1 for MPEG-2
+///	o C*2	layer: always 0
+///	o ..
+///	o F*4	sampling frequency index (15 is invalid)
+///	o ..
+///	o M*13	frame length
+///
+static int AdtsCheck(const uint8_t * data, int size)
+{
+    int frame_size;
+
+    if (size < 6) {
+	return -6;
+    }
+
+    frame_size = (data[3] & 0x03) << 11;
+    frame_size |= (data[4] & 0xFF) << 3;
+    frame_size |= (data[5] & 0xE0) >> 5;
+
+    if (frame_size + 3 > size) {
+	return -frame_size - 3;
+    }
+    // check if after this frame a new ADTS frame starts
+    if (FastAdtsCheck(data + frame_size)) {
+	return frame_size;
+    }
+
+    return 0;
+}
+
 #ifndef NO_TS_AUDIO
 
 //////////////////////////////////////////////////////////////////////////////
@@ -540,11 +606,13 @@ static void PesParse(PesDemux * pesdx, const uint8_t * data, int size,
 		    unsigned codec_id;
 
 		    // 4 bytes 0xFFExxxxx Mpeg audio
-		    // 3 bytes 0x56Exxx AAC LATM audio
 		    // 5 bytes 0x0B77xxxxxx AC3 audio
+		    // 3 bytes 0x56Exxx AAC LATM audio
+		    // 7/9 bytes 0xFFFxxxxxxxxxxx ADTS audio
 		    // PCM audio can't be found
+		    // FIXME: simple+faster detection, if codec already known
 		    r = 0;
-		    if (FastMpegCheck(q)) {
+		    if (!r && FastMpegCheck(q)) {
 			r = MpegCheck(q, n);
 			codec_id = CODEC_ID_MP2;
 		    }
@@ -556,6 +624,10 @@ static void PesParse(PesDemux * pesdx, const uint8_t * data, int size,
 			r = LatmCheck(q, n);
 			codec_id = CODEC_ID_AAC_LATM;
 		    }
+		    if (!r && FastAdtsCheck(q)) {
+			r = AdtsCheck(q, n);
+			codec_id = CODEC_ID_AAC;
+		    }
 		    if (r < 0) {	// need more bytes
 			break;
 		    }
@@ -583,6 +655,12 @@ static void PesParse(PesDemux * pesdx, const uint8_t * data, int size,
 			//pesdx->State = PES_MPEG_DECODE;
 			break;
 		    }
+		    if (AudioCodecID != CODEC_ID_NONE) {
+			// shouldn't happen after we have a vaild codec
+			// detected
+			Debug(4, "pesdemux: skip @%d %02x\n", pesdx->Skip,
+			    q[0]);
+		    }
 		    // try next byte
 		    ++pesdx->Skip;
 		    ++q;
@@ -802,7 +880,9 @@ static int TsDemuxer(TsDemux * tsdx, const uint8_t * data, int size)
 
     p = data;
     while (size >= TS_PACKET_SIZE) {
+#ifdef DEBUG
 	int pid;
+#endif
 	int payload;
 
 	if (p[0] != TS_PACKET_SYNC) {
@@ -816,11 +896,11 @@ static int TsDemuxer(TsDemux * tsdx, const uint8_t * data, int size)
 	    // FIXME: kill all buffers
 	    goto next_packet;
 	}
-
+#ifdef DEBUG
 	pid = (p[1] & 0x1F) << 8 | p[2];
 	Debug(4, "tsdemux: PID: %#04x%s%s\n", pid, p[1] & 0x40 ? " start" : "",
 	    p[3] & 0x10 ? " payload" : "");
-
+#endif
 	// skip adaptation field
 	switch (p[3] & 0x30) {		// adaption field
 	    case 0x00:			// reserved
@@ -887,7 +967,8 @@ int PlayAudio(const uint8_t * data, int size, uint8_t id)
     if (NewAudioStream) {
 	// this clears the audio ringbuffer indirect, open and setup does it
 	CodecAudioClose(MyAudioDecoder);
-	AudioSetBufferTime(0);
+	AudioFlushBuffers();
+	AudioSetBufferTime(ConfigAudioBufferTime);
 	AudioCodecID = CODEC_ID_NONE;
 	AudioChannelID = -1;
 	NewAudioStream = 0;
@@ -972,6 +1053,7 @@ int PlayAudio(const uint8_t * data, int size, uint8_t id)
 	    samplerate = samplerates[p[5] >> 4];
 	    channels = (p[5] & 0x7) + 1;
 
+	    // FIXME: ConfigAudioBufferTime + x
 	    AudioSetBufferTime(400);
 	    AudioSetup(&samplerate, &channels, 0);
 	    if (samplerate != samplerates[p[5] >> 4]) {
@@ -1002,6 +1084,7 @@ int PlayAudio(const uint8_t * data, int size, uint8_t id)
 	p += 4;
 	n -= 4;				// skip track header
 	if (AudioCodecID == CODEC_ID_NONE) {
+	    // FIXME: ConfigAudioBufferTime + x
 	    AudioSetBufferTime(400);
 	}
     }
@@ -1018,6 +1101,7 @@ int PlayAudio(const uint8_t * data, int size, uint8_t id)
 	// 4 bytes 0xFFExxxxx Mpeg audio
 	// 3 bytes 0x56Exxx AAC LATM audio
 	// 5 bytes 0x0B77xxxxxx AC3 audio
+	// 7/9 bytes 0xFFFxxxxxxxxxxx ADTS audio
 	// PCM audio can't be found
 	r = 0;
 	codec_id = CODEC_ID_NONE;	// keep compiler happy
@@ -1038,6 +1122,10 @@ int PlayAudio(const uint8_t * data, int size, uint8_t id)
 	       }
 	     */
 	}
+	if (id != 0xbd && !r && FastAdtsCheck(p)) {
+	    r = AdtsCheck(p, n);
+	    codec_id = CODEC_ID_AAC;
+	}
 	if (r < 0) {			// need more bytes
 	    break;
 	}
@@ -1100,8 +1188,9 @@ int PlayTsAudio(const uint8_t * data, int size)
     if (NewAudioStream) {
 	// this clears the audio ringbuffer indirect, open and setup does it
 	CodecAudioClose(MyAudioDecoder);
+	AudioFlushBuffers();
 	// max time between audio packets 200ms + 24ms hw buffer
-	AudioSetBufferTime(264);
+	AudioSetBufferTime(ConfigAudioBufferTime);
 	AudioCodecID = CODEC_ID_NONE;
 	AudioChannelID = -1;
 	NewAudioStream = 0;
@@ -1128,7 +1217,7 @@ int PlayTsAudio(const uint8_t * data, int size)
 */
 void SetVolumeDevice(int volume)
 {
-    AudioSetVolume((volume * 100) / 255);
+    AudioSetVolume((volume * 1000) / 255);
 }
 
 //////////////////////////////////////////////////////////////////////////////
@@ -1347,6 +1436,29 @@ void FixPacketForFFMpeg(VideoDecoder * MyVideoDecoder, AVPacket * avpkt)
     CodecVideoDecode(MyVideoDecoder, tmp);
 }
 
+/**
+**	Poll PES packet ringbuffer.
+**
+**	Called if video frame buffers are full.
+*/
+int VideoPollInput(void)
+{
+    if (VideoClearBuffers) {
+	atomic_set(&VideoPacketsFilled, 0);
+	VideoPacketRead = VideoPacketWrite;
+	if (MyVideoDecoder) {
+	    CodecVideoFlushBuffers(MyVideoDecoder);
+	    VideoResetStart(MyHwDecoder);
+	}
+	VideoClearBuffers = 0;
+	return 1;
+    }
+    if (!atomic_read(&VideoPacketsFilled)) {
+	return -1;
+    }
+    return 1;
+}
+
 /**
 **	Decode from PES packet ringbuffer.
 **
@@ -1354,25 +1466,27 @@ void FixPacketForFFMpeg(VideoDecoder * MyVideoDecoder, AVPacket * avpkt)
 **	@retval	1	stream paused
 **	@retval	-1	empty stream
 */
-int VideoDecode(void)
+int VideoDecodeInput(void)
 {
     int filled;
     AVPacket *avpkt;
     int saved_size;
     static int last_codec_id = CODEC_ID_NONE;
 
-    if (StreamFreezed) {		// stream freezed
-	return 1;
-    }
     if (VideoClearBuffers) {
 	atomic_set(&VideoPacketsFilled, 0);
 	VideoPacketRead = VideoPacketWrite;
 	if (MyVideoDecoder) {
 	    CodecVideoFlushBuffers(MyVideoDecoder);
+	    VideoResetStart(MyHwDecoder);
 	}
 	VideoClearBuffers = 0;
 	return 1;
     }
+    if (StreamFreezed) {		// stream freezed
+	// clear is called during freezed
+	return 1;
+    }
 
     filled = atomic_read(&VideoPacketsFilled);
     if (!filled) {
@@ -1438,33 +1552,6 @@ int VideoDecode(void)
     avpkt->size = avpkt->stream_index;
     avpkt->stream_index = 0;
 
-    if (0) {
-	static int done;
-
-	if (done < 2) {
-	    int fildes;
-	    int who_designed_this_is____;
-
-	    if (done == 0)
-		fildes =
-		    open("frame0.pes", O_WRONLY | O_TRUNC | O_CREAT, 0666);
-	    else if (done == 1)
-		fildes =
-		    open("frame1.pes", O_WRONLY | O_TRUNC | O_CREAT, 0666);
-	    else
-		fildes =
-		    open("frame2.pes", O_WRONLY | O_TRUNC | O_CREAT, 0666);
-	    done++;
-	    who_designed_this_is____ = write(fildes, avpkt->data, avpkt->size);
-	    close(fildes);
-	}
-    }
-
-    if (ClosingVideoStream) {		// closing don't sync
-	avpkt->pts = AV_NOPTS_VALUE;
-	avpkt->dts = AV_NOPTS_VALUE;
-    }
-
     if (last_codec_id == CODEC_ID_MPEG2VIDEO) {
 	FixPacketForFFMpeg(MyVideoDecoder, avpkt);
     } else {
@@ -1638,8 +1725,6 @@ int PlayVideo(const uint8_t * data, int size)
 	}
 	VideoNextPacket(CODEC_ID_NONE);
 	VideoCodecID = CODEC_ID_NONE;
-	// clear clock until new stream starts
-	VideoSetClock(MyHwDecoder, AV_NOPTS_VALUE);
 	ClosingVideoStream = 1;
 	NewVideoStream = 0;
     }
@@ -1732,8 +1817,8 @@ int PlayVideo(const uint8_t * data, int size)
 	    Debug(3, "softhddev/video: invalid mpeg2 video packet\n");
 	}
 #endif
-	// SKIP PES header
-	VideoEnqueue(pts, check - 2, l + 2);
+	// SKIP PES header, begin of start code
+	VideoEnqueue(pts, check - z, l + z);
 	return size;
     }
     // this happens when vdr sends incomplete packets
@@ -1856,6 +1941,9 @@ int SetPlayMode(int play_mode)
     if (MyVideoDecoder) {		// tell video parser we have new stream
 	if (VideoCodecID != CODEC_ID_NONE) {
 	    NewVideoStream = 1;
+	    // tell hw decoder we are closing stream
+	    VideoSetClosing(MyHwDecoder);
+	    VideoResetStart(MyHwDecoder);
 #ifdef DEBUG
 	    VideoSwitch = GetMsTicks();
 #endif
@@ -1871,11 +1959,9 @@ int SetPlayMode(int play_mode)
 	    break;
 	case 2:			// audio only
 	    Debug(3, "softhddev: FIXME: audio only, silence video errors\n");
-	    VideoSetClock(MyHwDecoder, AV_NOPTS_VALUE);
 	    break;
 	case 3:			// audio only, black screen
 	    Debug(3, "softhddev: FIXME: audio only, silence video errors\n");
-	    VideoSetClock(MyHwDecoder, AV_NOPTS_VALUE);
 	    break;
 	case 4:			// video only
 	    break;
@@ -1927,16 +2013,21 @@ void Clear(void)
     int i;
 
     VideoResetPacket();			// terminate work
+    //closing not reset:
+    //VideoSetClosing(MyHwDecoder);
+    VideoResetStart(MyHwDecoder);
     VideoClearBuffers = 1;
     AudioFlushBuffers();
     //NewAudioStream = 1;
     // FIXME: audio avcodec_flush_buffers, video is done by VideoClearBuffers
 
     // wait for empty buffers
+    // FIXME: without softstart sync VideoDecode isn't called.
     for (i = 0; VideoClearBuffers && i < 20; ++i) {
 	usleep(1 * 1000);
     }
-    Debug(3, "[softhddev]%s: buffers %d\n", __FUNCTION__, VideoGetBuffers());
+    Debug(3, "[softhddev]%s: %dms buffers %d\n", __FUNCTION__, i,
+	VideoGetBuffers());
 }
 
 /**
@@ -2090,10 +2181,15 @@ int Poll(int timeout)
 #else
 	int full;
 	int t;
+	int used;
+	int filled;
 
-	// one buffer is full
-	full = AudioFreeBytes() >= AUDIO_MIN_BUFFER_FREE
-	    || atomic_read(&VideoPacketsFilled) < VIDEO_PACKET_MAX - 3;
+	used = AudioUsedBytes();
+	filled = atomic_read(&VideoPacketsFilled);
+	// soft limit + hard limit
+	full = (used > AUDIO_MIN_BUFFER_FREE && filled > 3)
+	    || AudioFreeBytes() < AUDIO_MIN_BUFFER_FREE
+	    || filled >= VIDEO_PACKET_MAX - 3;
 
 	if (!full || !timeout) {
 	    return !full;
@@ -2198,7 +2294,8 @@ const char *CommandLineHelp(void)
 	"\tno-hw-decoder\t\tdisable hw decoder, use software decoder only\n"
 	"\tno-mpeg-hw-decoder\tdisable hw decoder for mpeg only\n"
 	"\talsa-driver-broken\tdisable broken alsa driver message\n"
-	"\tignore-repeat-pict\tdisable repeat pict message\n";
+	"\tignore-repeat-pict\tdisable repeat pict message\n"
+	"  -D\t\tstart in detached mode\n";
 }
 
 /**
@@ -2213,7 +2310,7 @@ int ProcessArgs(int argc, char *const argv[])
     //	Parse arguments.
     //
     for (;;) {
-	switch (getopt(argc, argv, "-a:c:d:fg:p:sv:w:x")) {
+	switch (getopt(argc, argv, "-a:c:d:fg:p:sv:w:xD")) {
 	    case 'a':			// audio device for pcm
 		AudioSetDevice(optarg);
 		continue;
@@ -2250,9 +2347,14 @@ int ProcessArgs(int argc, char *const argv[])
 	    case 's':			// start in suspend mode
 		ConfigStartSuspended = 1;
 		continue;
+	    case 'D':			// start in detached mode
+		ConfigStartSuspended = -1;
+		continue;
 	    case 'w':			// workarounds
 		if (!strcasecmp("no-hw-decoder", optarg)) {
+		    VideoHardwareDecoder = 0;
 		} else if (!strcasecmp("no-mpeg-hw-decoder", optarg)) {
+		    VideoHardwareDecoder = 1;
 		} else if (!strcasecmp("alsa-driver-broken", optarg)) {
 		    AudioAlsaDriverBroken = 1;
 		} else if (!strcasecmp("ignore-repeat-pict", optarg)) {
@@ -2333,6 +2435,8 @@ static void StartXServer(void)
     argn = 1;
     if (X11DisplayName) {		// append display name
 	args[argn++] = X11DisplayName;
+	// export display for childs
+	setenv("DISPLAY", X11DisplayName, 1);
     }
     //	split X server arguments string into words
     if ((sval = X11ServerArguments)) {
@@ -2370,10 +2474,12 @@ static void StartXServer(void)
     }
     // child
     signal(SIGUSR1, SIG_IGN);		// ignore to force answer
+    //setpgid(0,getpid());
     //	start the X server
     execvp(args[0], (char *const *)args);
 
     Error(_("x-setup: Failed to start X server '%s'\n"), args[0]);
+    exit(-1);
 }
 
 /**
@@ -2436,6 +2542,10 @@ void SoftHdDeviceExit(void)
 
 /**
 **	Prepare plugin.
+**
+**	@retval 0	normal start
+**	@retval 1	suspended start
+**	@retval -1	detached start
 */
 int Start(void)
 {
@@ -2465,9 +2575,11 @@ int Start(void)
 #ifndef NO_TS_AUDIO
     PesInit(PesDemuxAudio);
 #endif
-    Info(_("[softhddev] ready%s\n"), ConfigStartSuspended ? " suspended" : "");
+    Info(_("[softhddev] ready%s\n"),
+	ConfigStartSuspended ? ConfigStartSuspended ==
+	-1 ? "detached" : " suspended" : "");
 
-    return !ConfigStartSuspended;
+    return ConfigStartSuspended;
 }
 
 /**
@@ -2495,6 +2607,8 @@ void Housekeeping(void)
 void MainThreadHook(void)
 {
     if (Usr1Signal) {			// x11 server ready
+	// FIYME: x11 server keeps sending sigusr1 signals
+	signal(SIGUSR1, SIG_IGN);	// ignore further signals
 	Usr1Signal = 0;
 	StartVideo();
 	VideoDisplayWakeup();
@@ -2577,3 +2691,22 @@ void Resume(void)
 
     pthread_mutex_unlock(&SuspendLockMutex);
 }
+
+/*
+**	Get decoder statistics.
+**
+**	@param[out] missed	missed frames
+**	@param[out] duped	duped frames
+**	@param[out] dropped	dropped frames
+**	@param[out] count	number of decoded frames
+*/
+void GetStats(int *missed, int *duped, int *dropped, int *counter)
+{
+    *missed = 0;
+    *duped = 0;
+    *dropped = 0;
+    *counter = 0;
+    if (MyHwDecoder) {
+	VideoGetStats(MyHwDecoder, missed, duped, dropped, counter);
+    }
+}

softhddev.h

@@ -90,6 +90,9 @@ extern "C"
     extern void Suspend(int, int, int);
     /// Resume plugin
     extern void Resume(void);
+
+    /// Get decoder statistics
+    extern void GetStats(int *, int *, int *, int *);
 #ifdef __cplusplus
 }
 #endif

softhddevice_service.h

@@ -0,0 +1,44 @@
+///
+///	@file softhddev_service.h @brief software HD device service header file.
+///
+///	Copyright (c) 2012 by durchflieger.  All Rights Reserved.
+///
+///	Contributor(s):
+///
+///	License: AGPLv3
+///
+///	This program is free software: you can redistribute it and/or modify
+///	it under the terms of the GNU Affero General Public License as
+///	published by the Free Software Foundation, either version 3 of the
+///	License.
+///
+///	This program is distributed in the hope that it will be useful,
+///	but WITHOUT ANY WARRANTY; without even the implied warranty of
+///	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+///	GNU Affero General Public License for more details.
+///
+///	$Id$
+//////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#define ATMO_GRAB_SERVICE	"SoftHDDevice-AtmoGrabService-v1.0"
+
+enum
+{ GRAB_IMG_RGBA_FORMAT_B8G8R8A8 };
+
+typedef struct
+{
+    int structSize;
+
+    // request data
+    int analyseSize;
+    int clippedOverscan;
+
+    // reply data
+    int imgType;
+    int imgSize;
+    int width;
+    int height;
+    void *img;
+} SoftHDDevice_AtmoGrabService_v1_0_t;

video.h

@@ -34,6 +34,7 @@ typedef struct _video_hw_decoder_ VideoHwDecoder;
 //	Variables
 //----------------------------------------------------------------------------
 
+extern char VideoHardwareDecoder;	///< flag use hardware decoder
 extern char VideoIgnoreRepeatPict;	///< disable repeat pict warning
 extern int VideoAudioDelay;		///< audio/video delay
 
@@ -90,6 +91,9 @@ extern void VideoSet60HzMode(int);
     /// Set soft start audio/video sync.
 extern void VideoSetSoftStartSync(int);
 
+    /// Set show black picture during channel switch.
+extern void VideoSetBlackPicture(int);
+
     /// Set video output position.
 extern void VideoSetOutputPosition(int, int, int, int);
 
@@ -147,26 +151,41 @@ extern void VideoOsdDrawARGB(int, int, int, int, const uint8_t *);
     /// Get OSD size.
 extern void VideoGetOsdSize(int *, int *);
 
+    /// Set OSD size.
+extern void VideoSetOsdSize(int, int);
+
     /// Set video clock.
 extern void VideoSetClock(VideoHwDecoder *, int64_t);
 
     /// Get video clock.
 extern int64_t VideoGetClock(const VideoHwDecoder *);
 
+    /// Set closing flag.
+extern void VideoSetClosing(VideoHwDecoder *);
+
+    /// Reset start of frame counter
+extern void VideoResetStart(VideoHwDecoder *);
+
     /// Set trick play speed.
 extern void VideoSetTrickSpeed(VideoHwDecoder *, int);
 
     /// Grab screen.
 extern uint8_t *VideoGrab(int *, int *, int *, int);
 
+    /// Grab screen raw.
+extern uint8_t *VideoGrabService(int *, int *, int *);
+
+    /// Get decoder statistics.
+extern void VideoGetStats(VideoHwDecoder *, int *, int *, int *, int *);
+
 extern void VideoOsdInit(void);		///< Setup osd.
 extern void VideoOsdExit(void);		///< Cleanup osd.
 
 extern void VideoInit(const char *);	///< Setup video module.
 extern void VideoExit(void);		///< Cleanup and exit video module.
 
-extern void VideoFlushInput(void);	///< Flush video input buffers.
-extern int VideoDecode(void);		///< Decode video input buffers.
+extern int VideoPollInput(void);	///< Poll video input buffers.
+extern int VideoDecodeInput(void);	///< Decode video input buffers.
 extern int VideoGetBuffers(void);	///< Get number of input buffers.
 
 /// @}