Merge branch 'vdr2jpeg'

14 files changed, 3575 insertions, 0 deletions

diff --git a/contrib/vdr2jpeg/COPYING b/contrib/vdr2jpeg/COPYING
new file mode 100644
index 0000000..d511905
--- /dev/null
+++ b/contrib/vdr2jpeg/COPYING
@@ -0,0 +1,339 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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diff --git a/contrib/vdr2jpeg/HISTORY b/contrib/vdr2jpeg/HISTORY
new file mode 100644
index 0000000..b4aa835
--- /dev/null
+++ b/contrib/vdr2jpeg/HISTORY
@@ -0,0 +1,56 @@
+0.1.9
+    Support new vdr filestructure and fileformat(since VDR-1.7.3)
+0.1.1
+    small fixes to build gcc 4.3
+    update to build with ffmpeg-svn (r15589)
+ 	  remove predefined include to ffmpeg libraries, unneeded by pkg-config
+0.1.0
+    update to build with ffmpeg-svn (r12129)
+    refactoring modules
+0.0.12
+    show versionsnumber on help screen
+    small fix to build with ffmpeg-svn (r10260)
+0.0.11
+    update to build with ffmpeg-svn (r9303)
+    add options for frame span
+0.0.10
+    add rules for debian package 
+    update to build with ffmpeg-svn (r6898)
+0.0.9
+    update VERSION checking to build with ffmpeg-svn (r5812)
+    COPYING missed inside package
+    cleanup code
+	  static linking failed, reorder library for linking
+    strip debugging symbols on non-DEBUG target
+    change Makefile to default build without FFMDIR must defined
+0.0.8b
+    add missing header math.h (thanks to Tobias Grimm)
+    add missing header errno.h
+0.0.8
+    now wantet frame grabed, instead of i-frame only grabbing
+      * if frame extraction failed neighbor image are duplicate.
+      * change name schematic to pic (8) 
+	Reimplement encoding based on ffmpeg-main-0.4.9-cvs
+    enlarge own self-protection memory limit to support bigger HD Recordings from 1,5M to 16M
+    add check if wanted and readed chunk size has same value
+    add testfunction for reread dumped gob-file, only present if compile with DEBUG=1
+0.0.7
+    add Make.config for user defined compile settings
+    keep now aspect ratio, if nothing or only one od scaled width or height of output image are defined
+    fix name schematic gob/pic from 4/4 to 8/2 for better numerical sorting
+    fix wrong size detection on files over symbolic links (thanks to HFlor-at-vdrportal-de)
+0.0.6
+	fix parse commandline
+0.0.5
+	first public release
+	some cleanup
+0.0.4
+	Feature Scaling
+	Reimplement encoding based on ffmpeg-main
+0.0.3
+	Fix handle of more then 001.vdr (thanks to Peter Sebbel)
+	Fix a other Compile probs with 2.95
+0.0.2
+	Fix Compile probs with 2.95
+0.0.1 
+	Initial release based on vdrsync.pl and ffmpeg/Libavformat API example
diff --git a/contrib/vdr2jpeg/LIESMICH b/contrib/vdr2jpeg/LIESMICH
new file mode 100644
index 0000000..a1cf75d
--- /dev/null
+++ b/contrib/vdr2jpeg/LIESMICH
@@ -0,0 +1,60 @@
+
+Das ist eine einfaches c++ Programm um jpeg Bilder von VDR-Aufnahmen zu erstellen. 
+Es basiert auf vdrsync.pl und ffmain, ist eine eigentlich nur ein kleine 
+Designstudie zur Erweiterung von XXV. vdr2jpeg wird von xxv verwendet,
+um Vorschaubilder von Aufnahmen zu generieren.
+
+Erfordernisse
+-------------
+ffmpeg-svn (getestet mit r15589)
+
+Empfohlen
+------------
+ffmpeg als shared libary und mit Software Scaler
+
+$ cd ffmpeg && \
+ ./configure --enable-shared --enable-swscale && \
+  make && \
+  make install
+
+Installation
+------------
+
+$ make all
+Für die Installation in /usr/bin/local :
+$ make install 
+
+um mehr Info zu erhalten
+$ make all DEBUG=1 
+
+um ein statisches Programm zu erhalten
+$ make all STATIC=1 
+=> es werden keine externen Bibliotheken zur Laufzeit benötigt.
+
+
+Verwendung 
+----------
+$ ./vdr2jpeg
+Usage: ./vdr2jpeg
+            -r recordings    : VDR Aufnahmeverzeichnis
+            -f frame         : Gesuchtes Frame (Auflösung in PAL 1/25s)
+            -o outdirectory  : Ausgabeverzeichnis
+            -x 160           : Skalierte Breite des Ausgabebildes 
+            -y 120           : Skalierte Höhe des Ausgabebildes 
+            -s 500           : Bereich der Frames, beginned mit dem gesuchten Frame (z.B 500 : 20s)
+            -i 25            : Abstand zwischen Frames im gewählten Bereich (resolution at PAL - 1/25s)
+            -c 5             : Anzahl der extrahierten Bilder einer Aufnahme oder im gewählten Bereich
+
+
+Um Frames 5000,10000,15000 zu extrahieren (~ 3,6,9 Minute)
+
+$ vdr2jpeg -r /video/Auf_der_Flucht/2004-12-28.22:10.50.99.rec \
+	-f 5000 -f 10000 -f 15000
+
+Selbst Verhalten mittels Auswahl des Bereich
+
+$ vdr2jpeg -r /video/Auf_der_Flucht/2004-12-28.22:10.50.99.rec \
+	-f 5000 -s 10000 -i 5000
+
+
+
diff --git a/contrib/vdr2jpeg/Makefile b/contrib/vdr2jpeg/Makefile
new file mode 100644
index 0000000..a113a1b
--- /dev/null
+++ b/contrib/vdr2jpeg/Makefile
@@ -0,0 +1,135 @@
+################################################################################
+#
+# Makefile -- for building vdr2jpeg
+#
+# Copyright (c) 2005-2010 Andreas Brachold
+#
+# This code is distributed under the terms and conditions of the
+# GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+#
+
+
+# You can change the compile options here 
+# or add options at own file Make.config
+
+
+# Build ffmpeg e.g. with ./configure --enable-shared --enable-swscale
+#FFMDIR = /usr/local/include/ffmpeg
+
+# Build with debugging symbol and lots of dumped messages
+#DEBUG = 1
+
+# Build full static paket, if ffmpeg configured without --enable-shared
+# you should defined FFMDIR 
+#STATIC = 1
+
+# Place where vdr2jpeg should installed
+INSTALLBINDIR ?= /usr/local/bin
+
+# Place where should package created, need some space.
+TMPDIR = /tmp
+
+################################################################################
+#
+# there none user configurable options below this point
+#
+################################################################################
+ifdef DESTDIR
+INSTALLDIR = $(DESTDIR)/$(INSTALLBINDIR)
+else
+INSTALLDIR = $(INSTALLBINDIR)
+endif
+################################################################################
+# Compiler/linker settings
+CXX      ?= g++
+STRIP    ?= strip
+PKG-CONFIG ?= pkg-config
+
+# Allow user defined options to overwrite defaults:
+-include Make.config
+
+# General settings:
+
+ifdef DEBUG
+	CXXFLAGS ?= -O0
+	CXXFLAGS += -g -ggdb
+	LDFLAGS += -g -ggdb
+	DEFINES += -DDEBUG
+else
+	CXXFLAGS ?= -O2
+endif
+CXXFLAGS += -fPIC -Wall -Woverloaded-virtual
+
+ifdef FFMDIR
+INCLUDES += -I$(FFMDIR) 
+LIBS += -L$(FFMDIR) -L$(FFMDIR)/libavformat -L$(FFMDIR)/libavcodec -L$(FFMDIR)/libavutil -L$(FFMDIR)/libswscale
+LIBS += -lavformat -lavcodec -lavutil -lswscale
+else
+ifeq ($(shell $(PKG-CONFIG) --exists libavformat && echo 1), 1)
+INCLUDES += $(shell $(PKG-CONFIG) --cflags libavformat libavcodec libavutil libswscale)
+LIBS += $(shell $(PKG-CONFIG) --libs libavformat libavcodec libavutil libswscale)
+endif
+endif
+
+
+ifdef STATIC
+    CXXFLAGS += -static
+endif
+
+################################################################################
+# Target configuration
+
+PRGNAME = vdr2jpeg
+VERSION = $(shell grep 'static const char \*VERSION *=' vdr2jpeg.cpp | awk '{ print $$6 }' | sed -e 's/[";]//g')
+ARCHIVE = $(PRGNAME)-$(VERSION)
+DEFINES += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS
+FILES = README LIESMICH HISTORY COPYING Makefile \
+	vdr2jpeg.cpp \
+	gop.cpp gop.h \
+	mpegdec.cpp mpegdec.h \
+	ffm.cpp ffm.h \
+	tools.cpp tools.h
+OBJS = vdr2jpeg.o tools.o gop.o mpegdec.o ffm.o
+
+################################################################################
+# Implicit rules:
+
+%.o: %.cpp
+	$(CXX) $(CXXFLAGS) -c $(DEFINES) $(INCLUDES) $<
+
+
+################################################################################
+# Main targets :
+
+all:    vdr2jpeg
+.PHONY: all
+
+vdr2jpeg: $(OBJS)
+	$(CXX) $(CXXFLAGS) $(OBJS) $(LIBS) -o vdr2jpeg
+ifndef DEBUG
+	$(STRIP) $@	
+endif
+
+install: all
+	install -d $(INSTALLDIR)
+	install -m 755 -o root -g root -s vdr2jpeg $(INSTALLDIR)
+
+uninstall:
+	rm -f $(INSTALLDIR)/vdr2jpeg
+
+clean:
+	@-rm -f vdr2jpeg a.out *.o *.tgz core* *~
+
+distclean:  clean
+	@-rm -f *.jpg *.mpv
+
+dist:	distclean
+	@-rm -rf $(TMPDIR)/$(ARCHIVE)
+	@mkdir -p $(TMPDIR)/$(ARCHIVE)
+	@cp -a $(FILES) $(TMPDIR)/$(ARCHIVE)
+	@find $(TMPDIR)/$(ARCHIVE) -type d -exec chmod 755 {} \;
+	@find $(TMPDIR)/$(ARCHIVE) -type f -exec chmod 644 {} \;
+	@chown root.root -R $(TMPDIR)/$(ARCHIVE)/*
+	@tar czfh $(ARCHIVE).tgz -C $(TMPDIR) $(ARCHIVE) 
+	@-rm -rf $(TMPDIR)/$(ARCHIVE)
+	@echo Distribution package created as $(ARCHIVE).tgz
diff --git a/contrib/vdr2jpeg/README b/contrib/vdr2jpeg/README
new file mode 100644
index 0000000..3c1f5ba
--- /dev/null
+++ b/contrib/vdr2jpeg/README
@@ -0,0 +1,59 @@
+
+This is a simple c++ program to grab jpeg images from VDR-Recordings. 
+It's based on vdrsync.pl and ffmain, and was design as little study to enhance xxv.
+vdr2jpeg are used from xxv to generated preview images of recordings.
+
+Requirements
+-------------
+ffmpeg-svn (tested with r15589)
+
+Recommended
+------------
+ffmpeg as shared libary and with software scaler
+
+$ cd ffmpeg && \
+ ./configure --enable-shared --enable-swscale && \
+  make && \
+  make install
+
+Installation
+------------
+
+to build, type simple
+$ make all
+
+for install on /usr/bin/local :
+$ make install
+
+or build with more diagnostic
+$ make all DEBUG=1 
+
+or to link vdr2jpeg static, 
+if your want that no external libraries are needed at run-time
+$ make all STATIC=1 
+
+ 
+Usage 
+----------
+$ ./vdr2jpeg
+Usage: ./vdr2jpeg
+            -r recordings    : VDR recording folder
+            -f frame         : wanted frame (resolution at PAL - 1/25s)
+            -o outdirectory  : output folder
+            -x 160           : scaled width of output image
+            -y 120           : scaled height of output image
+            -s 5000          : frame range, started at wanted frame (e.g 500 : 20s)
+            -i 25            : space beetween frames at selected range (resolution at PAL - 1/25s)
+            -c 5             : number of extracted frames of an recording or within the selected range 
+
+
+e.g. to extract frames 5000,10000,15000 (at 3,6,9 Minutes)
+
+$ vdr2jpeg -r /video/Auf_der_Flucht/2004-12-28.22:10.50.99.rec \
+	-f 5000 -f 10000 -f 15000
+
+
+same using with selected span of frames
+
+$ vdr2jpeg -r /video/Auf_der_Flucht/2004-12-28.22:10.50.99.rec \
+	-f 5000 -s 10000 -i 5000
diff --git a/contrib/vdr2jpeg/ffm.cpp b/contrib/vdr2jpeg/ffm.cpp
new file mode 100644
index 0000000..66b76bf
--- /dev/null
+++ b/contrib/vdr2jpeg/ffm.cpp
@@ -0,0 +1,1347 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright (c) 2005-2008 Andreas Brachold
+ * 
+ * based on FFmpeg main Copyright (c) 2000-2003 Fabrice Bellard
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ *
+ */
+
+#include <limits.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <math.h>
+#include <string.h>
+
+#include "ffm.h"
+
+extern "C" {
+#include <libavutil/avutil.h>
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+#include <libswscale/swscale.h>
+}
+
+static int frame_width = 0;
+static int frame_height = 0;
+static float frame_aspect_ratio = 0;
+static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
+static int frame_rate = 25;
+static int frame_rate_base = 1;
+static int keep_aspect_ratio = 1;
+
+/** select an input file for an output file */
+#define MAX_FILES 1
+
+static AVFormatContext *input_files[MAX_FILES];
+static int64_t input_files_ts_offset[MAX_FILES];
+static unsigned int nb_input_files = 0;
+
+static AVFormatContext *output_files[MAX_FILES];
+static unsigned int nb_output_files = 0;
+
+static AVInputFormat *file_iformat;
+static AVOutputFormat *file_oformat;
+
+static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
+static int video_qdiff = 3;
+
+
+static const char *video_rc_eq="tex^qComp";
+static int me_method = ME_EPZS;
+
+static int same_quality = 1;
+
+static int top_field_first = -1;
+
+
+
+
+static float mux_preload= 0.5;
+static float mux_max_delay= 0.7;
+
+static int64_t input_ts_offset = 0;
+
+static int video_sync_method= 1;
+static int opt_shortest = 0; //
+
+static int verbose = 
+#ifdef DEBUG
+    2;
+#else
+    -1;
+#endif
+
+static int nb_frames_dup = 0;
+static int nb_frames_drop = 0;
+static int input_sync;
+
+static int pgmyuv_compatibility_hack=0;
+static int dts_delta_threshold = 10;
+
+AVCodecContext *avctx_opts;
+AVFormatContext *avformat_opts;
+//static int64_t timer_start = 0;
+
+struct AVInputStream;
+
+typedef struct AVOutputStream {
+    unsigned int file_index;          /* file index */
+    int index;               /* stream index in the output file */
+    int source_index;        /* AVInputStream index */
+    AVStream *st;            /* stream in the output file */
+    int encoding_needed;     /* true if encoding needed for this stream */
+    int frame_number;
+    /* input pts and corresponding output pts
+       for A/V sync */
+    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
+    struct AVInputStream *sync_ist; /* input stream to sync against */
+    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
+    /* video only */
+    int video_resample;
+    AVFrame pict_tmp;      /* temporary image for resampling */
+    struct SwsContext *img_resample_ctx; /* for image resampling */
+    int resample_height;
+
+} AVOutputStream;
+
+typedef struct AVInputStream {
+    unsigned int file_index;
+    int index;
+    AVStream *st;
+    int discard;             /* true if stream data should be discarded */
+    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
+    int64_t sample_index;      /* current sample */
+
+    int64_t       start;     /* time when read started */
+    unsigned long frame;     /* current frame */
+    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
+                                is not defined */
+    int64_t       pts;       /* current pts */
+    int is_start;            /* is 1 at the start and after a discontinuity */
+} AVInputStream;
+
+typedef struct AVInputFile {
+    int eof_reached;      /* true if eof reached */
+    int ist_index;        /* index of first stream in ist_table */
+    int buffer_size;      /* current total buffer size */
+    unsigned int nb_streams;       /* nb streams we are aware of */
+} AVInputFile;
+
+static double
+get_sync_ipts(const AVOutputStream *ost)
+{
+    const AVInputStream *ist = ost->sync_ist;
+    return (double)(ist->pts + input_files_ts_offset[ist->file_index] )/AV_TIME_BASE;
+}
+
+static int bit_buffer_size= 1024*256;
+static uint8_t *bit_buffer= NULL;
+
+static bool do_video_out(AVFormatContext *s,
+                         AVOutputStream *ost,
+                         AVInputStream *ist,
+                         AVFrame *in_picture,
+                         int *frame_size)
+{
+    int nb_frames, i, ret;
+    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
+    AVFrame picture_crop_temp, picture_pad_temp;
+    AVCodecContext *enc, *dec;
+
+    avcodec_get_frame_defaults(&picture_crop_temp);
+    avcodec_get_frame_defaults(&picture_pad_temp);
+
+    enc = ost->st->codec;
+    dec = ist->st->codec;
+
+    /* by default, we output a single frame */
+    nb_frames = 1;
+
+    *frame_size = 0;
+
+    if(video_sync_method){
+        double vdelta;
+        vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
+        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
+        if (vdelta < -1.1)
+            nb_frames = 0;
+        else if (vdelta > 1.1)
+            nb_frames = lrintf(vdelta);
+//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
+        if (nb_frames == 0){
+            ++nb_frames_drop;
+            if (verbose>2)
+                fprintf(stderr, "*** drop!\n");
+        }else if (nb_frames > 1) {
+            nb_frames_dup += nb_frames;
+            if (verbose>2)
+                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
+        }
+    }else
+        ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
+
+    nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
+    if (nb_frames <= 0)
+        return true;
+
+    {
+        formatted_picture = in_picture;
+    }
+
+    final_picture = formatted_picture;
+    padding_src = formatted_picture;
+    resampling_dst = &ost->pict_tmp;
+
+    if (ost->video_resample) {
+        padding_src = NULL;
+        final_picture = &ost->pict_tmp;
+        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
+              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
+    }
+
+    /* duplicates frame if needed */
+    for(i=0;i<nb_frames;i++) {
+        AVPacket pkt;
+        av_init_packet(&pkt);
+        pkt.stream_index= ost->index;
+
+        /*if (s->oformat->flags & AVFMT_RAWPICTURE) {
+            // raw pictures are written as AVPicture structure to
+            //   avoid any copies. We support temorarily the older
+            //   method. 
+            AVFrame* old_frame = enc->coded_frame;
+            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
+            pkt.data= (uint8_t *)final_picture;
+            pkt.size=  sizeof(AVPicture);
+            if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
+                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
+            if(dec->coded_frame && dec->coded_frame->key_frame)
+                pkt.flags |= PKT_FLAG_KEY;
+
+            av_interleaved_write_frame(s, &pkt);
+            enc->coded_frame = old_frame;
+        } else*/ {
+            AVFrame big_picture;
+
+            big_picture= *final_picture;
+            /* better than nothing: use input picture interlaced
+               settings */
+            big_picture.interlaced_frame = in_picture->interlaced_frame;
+            if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
+                if(top_field_first == -1)
+                    big_picture.top_field_first = in_picture->top_field_first;
+                else
+                    big_picture.top_field_first = top_field_first;
+            }
+
+            /* handles sameq here. This is not correct because it may
+               not be a global option */
+            if (same_quality) {
+                big_picture.quality = (int)ist->st->quality;
+            }else
+                big_picture.quality = (int)ost->st->quality;
+                big_picture.pict_type = 0;
+//            big_picture.pts = AV_NOPTS_VALUE;
+            big_picture.pts= ost->sync_opts;
+//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
+//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
+            ret = avcodec_encode_video(enc,
+                                       bit_buffer, bit_buffer_size,
+                                       &big_picture);
+            if (ret == -1) {
+                fprintf(stderr, "Video encoding failed\n");
+                return false;
+            }
+            //enc->frame_number = enc->real_pict_num;
+            if(ret>0){
+                pkt.data= bit_buffer;
+                pkt.size= ret;
+                if(enc->coded_frame && enc->coded_frame->pts != (int64_t)AV_NOPTS_VALUE)
+                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
+/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
+   pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
+   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
+
+                if(enc->coded_frame && enc->coded_frame->key_frame)
+                    pkt.flags |= PKT_FLAG_KEY;
+                av_interleaved_write_frame(s, &pkt);
+                *frame_size = ret;
+            }
+        }
+        ost->sync_opts++;
+        ost->frame_number++;
+    }
+    return true;
+}
+
+/* pkt = NULL means EOF (needed to flush decoder buffers) */
+static int output_packet(AVInputStream *ist, int ist_index,
+                         AVOutputStream **ost_table, int nb_ostreams,
+                         const AVPacket *pkt)
+{
+    AVFormatContext *os;
+    AVOutputStream *ost;
+    uint8_t *ptr;
+    int len, ret, i;
+    uint8_t *data_buf;
+    int data_size, got_picture;
+    AVFrame picture;
+ 
+    if(!pkt){
+        ist->pts= ist->next_pts; // needed for last packet if vsync=0
+    } else if (pkt->dts != (int64_t)AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
+        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
+    } else {
+//        assert(ist->pts == ist->next_pts);
+    }
+
+    if (pkt == NULL) {
+        /* EOF handling */
+        ptr = NULL;
+        len = 0;
+        goto handle_eof;
+    }
+
+    len = pkt->size;
+    ptr = pkt->data;
+    while (len > 0) {
+    handle_eof:
+        /* decode the packet if needed */
+        data_buf = NULL; /* fail safe */
+        data_size = 0;
+        if (ist->decoding_needed) {
+            switch(ist->st->codec->codec_type) {
+            case CODEC_TYPE_VIDEO:
+                    data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
+                    /* XXX: allocate picture correctly */
+                    avcodec_get_frame_defaults(&picture);
+
+                    ret = avcodec_decode_video(ist->st->codec,
+                                               &picture, &got_picture, ptr, len);
+                    ist->st->quality= picture.quality;
+                    if (ret < 0)
+                        goto fail_decode;
+                    if (!got_picture) {
+                        /* no picture yet */
+                        goto discard_packet;
+                    }
+                    if (ist->st->codec->time_base.num != 0) {
+                        ist->next_pts += ((int64_t)AV_TIME_BASE *
+                                          ist->st->codec->time_base.num) /
+                            ist->st->codec->time_base.den;
+                    }
+                    len = 0;
+                    break;
+            default:
+                goto fail_decode;
+            }
+        } else {
+            if(ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
+                if (ist->st->codec->time_base.num != 0) {
+                    ist->next_pts += ((int64_t)AV_TIME_BASE *
+                                      ist->st->codec->time_base.num) /
+                        ist->st->codec->time_base.den;
+                }
+            }
+            data_buf = ptr;
+            data_size = len;
+            ret = len;
+            len = 0;
+        }
+
+        /* frame rate emulation */
+        if (ist->st->codec->rate_emu) {
+            int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
+            int64_t now = av_gettime() - ist->start;
+            if (pts > now)
+                usleep(pts - now);
+
+            ist->frame++;
+        }
+
+#if 0
+        /* mpeg PTS deordering : if it is a P or I frame, the PTS
+           is the one of the next displayed one */
+        /* XXX: add mpeg4 too ? */
+        if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
+            if (ist->st->codec->pict_type != B_TYPE) {
+                int64_t tmp;
+                tmp = ist->last_ip_pts;
+                ist->last_ip_pts  = ist->frac_pts.val;
+                ist->frac_pts.val = tmp;
+            }
+        }
+#endif
+        /* if output time reached then transcode raw format,
+           encode packets and output them */
+        if (1 || ist->pts >= 0)
+            for(i=0;i<nb_ostreams;i++) {
+                int frame_size;
+
+                ost = ost_table[i];
+                if (ost->source_index == ist_index) {
+                    os = output_files[ost->file_index];
+
+#if 0
+                    printf("%d: got pts=%0.3f %0.3f\n", i,
+                           (double)pkt->pts / AV_TIME_BASE,
+                           ((double)ist->pts / AV_TIME_BASE) -
+                           ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
+#endif
+                    /* set the input output pts pairs */
+                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
+
+                    if (ost->encoding_needed) {
+                        switch(ost->st->codec->codec_type) {
+                        case CODEC_TYPE_VIDEO:
+                            if(!do_video_out(os, ost, ist, &picture, &frame_size))
+                               return -1;
+                            break;
+                        default:
+                               return -1;
+                        }
+                    } else {
+                        AVFrame avframe; //FIXME/XXX remove this
+                        AVPacket opkt;
+                        av_init_packet(&opkt);
+
+                        /* no reencoding needed : output the packet directly */
+                        /* force the input stream PTS */
+
+                        avcodec_get_frame_defaults(&avframe);
+                        ost->st->codec->coded_frame= &avframe;
+                        avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
+
+                        if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
+                            ost->sync_opts++;
+                        }
+
+                        opkt.stream_index= ost->index;
+                        if(pkt->pts != (int64_t)AV_NOPTS_VALUE)
+                            opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
+                        else
+                            opkt.pts= AV_NOPTS_VALUE;
+
+                        {
+                            int64_t dts;
+                            if (pkt->dts == (int64_t)AV_NOPTS_VALUE)
+                                dts = ist->next_pts;
+                            else
+                                dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
+                            opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
+                        }
+                        opkt.flags= pkt->flags;
+
+                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
+                        if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
+                            opkt.destruct= av_destruct_packet;
+
+                        av_interleaved_write_frame(os, &opkt);
+                        ost->st->codec->frame_number++;
+                        ost->frame_number++;
+                        av_free_packet(&opkt);
+                    }
+                }
+            }
+    }
+ discard_packet:
+    if (pkt == NULL) {
+        /* EOF handling */
+
+        for(i=0;i<nb_ostreams;i++) {
+            ost = ost_table[i];
+            if (ost->source_index == ist_index) {
+                AVCodecContext *enc= ost->st->codec;
+                os = output_files[ost->file_index];
+
+                if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
+                    continue;
+
+                if (ost->encoding_needed) {
+                    for(;;) {
+                        AVPacket pkt;
+                        av_init_packet(&pkt);
+                        pkt.stream_index= ost->index;
+
+                        switch(ost->st->codec->codec_type) {
+                        case CODEC_TYPE_VIDEO:
+                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
+                            if(enc->coded_frame && enc->coded_frame->key_frame)
+                                pkt.flags |= PKT_FLAG_KEY;
+                            break;
+                        default:
+                            ret=-1;
+                        }
+
+                        if(ret<=0)
+                            break;
+                        pkt.data= bit_buffer;
+                        pkt.size= ret;
+                        if(enc->coded_frame && enc->coded_frame->pts != (int64_t)AV_NOPTS_VALUE)
+                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
+                        av_interleaved_write_frame(os, &pkt);
+                    }
+                }
+            }
+        }
+    }
+
+    return 0;
+ fail_decode:
+    return -1;
+}
+
+
+/*
+ * The following code is the main loop of the file converter
+ */
+static bool av_encode(AVFormatContext **output_files,
+                     unsigned int nb_output_files,
+                     AVFormatContext **input_files,
+                     unsigned int nb_input_files)
+{
+    unsigned int i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
+    AVFormatContext *is, *os;
+    AVCodecContext *codec, *icodec;
+    AVOutputStream *ost, **ost_table = NULL;
+    AVInputStream *ist, **ist_table = NULL;
+    AVInputFile *file_table;
+    bool ret;
+
+    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
+    if (!file_table)
+        goto fail;
+
+    /* input stream init */
+    j = 0;
+    for(i=0;i<nb_input_files;i++) {
+        is = input_files[i];
+        file_table[i].ist_index = j;
+        file_table[i].nb_streams = is->nb_streams;
+        j += is->nb_streams;
+    }
+    nb_istreams = j;
+
+    ist_table = (AVInputStream**)av_mallocz(nb_istreams * sizeof(AVInputStream *));
+    if (!ist_table)
+        goto fail;
+
+    for(i=0;i<nb_istreams;i++) {
+        ist = (AVInputStream*)av_mallocz(sizeof(AVInputStream));
+        if (!ist)
+            goto fail;
+        ist_table[i] = ist;
+    }
+    j = 0;
+    for(i=0;i<nb_input_files;i++) {
+        is = input_files[i];
+        for(k=0;k<is->nb_streams;k++) {
+            ist = ist_table[j++];
+            ist->st = is->streams[k];
+            ist->file_index = i;
+            ist->index = k;
+            ist->discard = 1; /* the stream is discarded by default
+                                 (changed later) */
+
+            if (ist->st->codec->rate_emu) {
+                ist->start = av_gettime();
+                ist->frame = 0;
+            }
+        }
+    }
+
+    /* output stream init */
+    nb_ostreams = 0;
+    for(i=0;i<nb_output_files;i++) {
+        os = output_files[i];
+        if (!os->nb_streams) {
+            fprintf(stderr, "Output file does not contain any stream\n");
+            return false;
+        }
+        nb_ostreams += os->nb_streams;
+    }
+
+    ost_table = (AVOutputStream**)av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
+    if (!ost_table)
+        goto fail;
+    for(i=0;i<nb_ostreams;i++) {
+        ost = (AVOutputStream*)av_mallocz(sizeof(AVOutputStream));
+        if (!ost)
+            goto fail;
+        ost_table[i] = ost;
+    }
+
+    n = 0;
+    for(k=0;k<nb_output_files;k++) {
+        os = output_files[k];
+        for(i=0;i<os->nb_streams;i++) {
+            int found;
+            ost = ost_table[n++];
+            ost->file_index = k;
+            ost->index = i;
+            ost->st = os->streams[i];
+            {
+                /* get corresponding input stream index : we select the first one with the right type */
+                found = 0;
+                for(j=0;j<nb_istreams;j++) {
+                    ist = ist_table[j];
+                    if (ist->discard &&
+                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
+                        ost->source_index = j;
+                        found = 1;
+                        break;
+                    }
+                }
+
+                if (!found) {
+                    /* try again and reuse existing stream */
+                    for(j=0;j<nb_istreams;j++) {
+                        ist = ist_table[j];
+                        if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
+                            ost->source_index = j;
+                            found = 1;
+                        }
+                    }
+                    if (!found) {
+                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
+                                ost->file_index, ost->index);
+                        return false;
+                    }
+                }
+            }
+            ist = ist_table[ost->source_index];
+            ist->discard = 0;
+            ost->sync_ist = ist;
+        }
+    }
+
+    /* for each output stream, we compute the right encoding parameters */
+    for(i=0;i<nb_ostreams;i++) {
+        ost = ost_table[i];
+        ist = ist_table[ost->source_index];
+
+        codec = ost->st->codec;
+        icodec = ist->st->codec;
+
+        if (ost->st->stream_copy) {
+            /* if stream_copy is selected, no need to decode or encode */
+            codec->codec_id = icodec->codec_id;
+            codec->codec_type = icodec->codec_type;
+            if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
+            codec->bit_rate = icodec->bit_rate;
+            codec->extradata= icodec->extradata;
+            codec->extradata_size= icodec->extradata_size;
+            if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
+                codec->time_base = icodec->time_base;
+            else
+                codec->time_base = ist->st->time_base;
+            switch(codec->codec_type) {
+            case CODEC_TYPE_VIDEO:
+                codec->pix_fmt = icodec->pix_fmt;
+                codec->width = icodec->width;
+                codec->height = icodec->height;
+                codec->has_b_frames = icodec->has_b_frames;
+                break;
+            case CODEC_TYPE_SUBTITLE:
+                break;
+            default:
+                return false;
+            }
+        } else {
+            switch(codec->codec_type) {
+            case CODEC_TYPE_VIDEO:
+                ost->video_resample = ((codec->width != icodec->width) ||
+                        (codec->height != icodec->height) ||
+                        (codec->pix_fmt != icodec->pix_fmt));
+                if (ost->video_resample) {
+                    avcodec_get_frame_defaults(&ost->pict_tmp);
+                    if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
+                                         codec->width, codec->height ) ) {
+                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
+                        return false;
+                    }
+                    ost->img_resample_ctx = sws_getContext(
+                            icodec->width,
+                            icodec->height,
+                            icodec->pix_fmt,
+                            codec->width,
+                            codec->height,
+                            codec->pix_fmt,
+                            SWS_FAST_BILINEAR, NULL, NULL, NULL);
+                    if (ost->img_resample_ctx == NULL) {
+                        fprintf(stderr, "Cannot get resampling context\n");
+                        return false;
+                    }
+                    ost->resample_height = icodec->height;
+                }
+                ost->encoding_needed = 1;
+                ist->decoding_needed = 1;
+                break;
+            default:
+                return false;
+            }
+        }
+        if(codec->codec_type == CODEC_TYPE_VIDEO){
+            int size= codec->width * codec->height;
+            bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
+        }
+    }
+
+    if (!bit_buffer)
+        bit_buffer = (uint8_t*)av_malloc(bit_buffer_size);
+    if (!bit_buffer)
+        goto fail;
+
+    /* dump the file output parameters - cannot be done before in case
+       of stream copy */
+    for(i=0;i<nb_output_files;i++) {
+        dump_format(output_files[i], i, output_files[i]->filename, 1);
+    }
+
+    /* open each encoder */
+    for(i=0;i<nb_ostreams;i++) {
+        ost = ost_table[i];
+        if (ost->encoding_needed) {
+            AVCodec *codec;
+            codec = avcodec_find_encoder(ost->st->codec->codec_id);
+            if (!codec) {
+                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
+                        ost->file_index, ost->index);
+                return false;
+            }
+            if (avcodec_open(ost->st->codec, codec) < 0) {
+                fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
+                        ost->file_index, ost->index);
+                return false;
+            }
+        }
+    }
+
+    /* open each decoder */
+    for(i=0;i<nb_istreams;i++) {
+        ist = ist_table[i];
+        if (ist->decoding_needed) {
+            AVCodec *codec;
+            codec = avcodec_find_decoder(ist->st->codec->codec_id);
+            if (!codec) {
+                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
+                        ist->st->codec->codec_id, ist->file_index, ist->index);
+                return false;
+            }
+            if (avcodec_open(ist->st->codec, codec) < 0) {
+                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
+                        ist->file_index, ist->index);
+                return false;
+            }
+            //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
+            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
+        }
+    }
+
+    /* init pts */
+    for(i=0;i<nb_istreams;i++) {
+        ist = ist_table[i];
+        is = input_files[ist->file_index];
+        ist->pts = 0;
+        ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
+        if(ist->st->start_time == (int64_t)AV_NOPTS_VALUE)
+            ist->next_pts=0;
+        if(input_files_ts_offset[ist->file_index])
+            ist->next_pts= AV_NOPTS_VALUE;
+        ist->is_start = 1;
+    }
+
+    /* open files and write file headers */
+    for(i=0;i<nb_output_files;i++) {
+        os = output_files[i];
+        if (av_write_header(os) < 0) {
+            fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
+            ret = false; //AVERROR(EINVAL);
+            goto fail;
+        }
+    }
+
+    //timer_start = av_gettime();
+
+    while( 1 ) {
+        unsigned int file_index, ist_index;
+        AVPacket pkt;
+        double ipts_min;
+        double opts_min;
+
+    redo:
+        ipts_min= 1e100;
+        opts_min= 1e100;
+
+        /* select the stream that we must read now by looking at the
+           smallest output pts */
+        file_index = (unsigned int)-1;
+        for(i=0;i<nb_ostreams;i++) {
+            double ipts, opts;
+            ost = ost_table[i];
+            os = output_files[ost->file_index];
+            ist = ist_table[ost->source_index];
+            if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
+                opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
+            else
+                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
+            ipts = (double)ist->pts;
+            if (!file_table[ist->file_index].eof_reached){
+                if(ipts < ipts_min) {
+                    ipts_min = ipts;
+                    if(input_sync ) file_index = ist->file_index;
+                }
+                if(opts < opts_min) {
+                    opts_min = opts;
+                    if(!input_sync) file_index = ist->file_index;
+                }
+            }
+            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
+                file_index= (unsigned int)-1;
+                break;
+            }
+        }
+        /* if none, if is finished */
+        if (file_index == (unsigned int)-1) {
+            break;
+        }
+
+        /* read a frame from it and output it in the fifo */
+        is = input_files[file_index];
+        if (av_read_frame(is, &pkt) < 0) {
+            file_table[file_index].eof_reached = 1;
+            if (opt_shortest) break; else continue; //
+        }
+
+        /* the following test is needed in case new streams appear
+           dynamically in stream : we ignore them */
+        if ((unsigned int)pkt.stream_index >= file_table[file_index].nb_streams)
+            goto discard_packet;
+        ist_index = file_table[file_index].ist_index + pkt.stream_index;
+        ist = ist_table[ist_index];
+        if (ist->discard)
+            goto discard_packet;
+
+//        fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
+        if (pkt.dts != (int64_t)AV_NOPTS_VALUE && ist->next_pts != (int64_t)AV_NOPTS_VALUE) {
+            int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
+            if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE){
+                input_files_ts_offset[ist->file_index]-= delta;
+//                if (verbose > 2)
+//                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
+                for(i=0; i<file_table[file_index].nb_streams; i++){
+                    int index= file_table[file_index].ist_index + i;
+                    ist_table[index]->next_pts += delta;
+                    ist_table[index]->is_start=1;
+                }
+            }
+        }
+
+        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
+        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
+
+            if (verbose >= 0)
+                fprintf(stderr, "Error while decoding stream #%d.%d\n",
+                        ist->file_index, ist->index);
+
+            av_free_packet(&pkt);
+            goto redo;
+        }
+
+    discard_packet:
+        av_free_packet(&pkt);
+
+    }
+
+    /* at the end of stream, we must flush the decoder buffers */
+    for(i=0;i<nb_istreams;i++) {
+        ist = ist_table[i];
+        if (ist->decoding_needed) {
+            output_packet(ist, i, ost_table, nb_ostreams, NULL);
+        }
+    }
+
+    /* write the trailer if needed and close file */
+    for(i=0;i<nb_output_files;i++) {
+        os = output_files[i];
+        av_write_trailer(os);
+    }
+
+    /* close each encoder */
+    for(i=0;i<nb_ostreams;i++) {
+        ost = ost_table[i];
+        if (ost->encoding_needed) {
+            av_freep(&ost->st->codec->stats_in);
+            avcodec_close(ost->st->codec);
+        }
+    }
+
+    /* close each decoder */
+    for(i=0;i<nb_istreams;i++) {
+        ist = ist_table[i];
+        if (ist->decoding_needed) {
+            avcodec_close(ist->st->codec);
+        }
+    }
+
+    /* finished ! */
+
+    ret = true;
+ fail1:
+    av_freep(&bit_buffer);
+    av_free(file_table);
+
+    if (ist_table) {
+        for(i=0;i<nb_istreams;i++) {
+            ist = ist_table[i];
+            av_free(ist);
+        }
+        av_free(ist_table);
+    }
+    if (ost_table) {
+        for(i=0;i<nb_ostreams;i++) {
+            ost = ost_table[i];
+            if (ost) {
+                av_free(ost->pict_tmp.data[0]);
+                if (ost->video_resample)
+                    sws_freeContext(ost->img_resample_ctx);
+                av_free(ost);
+            }
+        }
+        av_free(ost_table);
+    }
+    return ret;
+ fail:
+    ret = false; //AVERROR(ENOMEM);
+    goto fail1;
+}
+
+void print_error(const char *filename, int err)
+{
+    switch(err) {
+    case AVERROR_NUMEXPECTED:
+        fprintf(stderr, "%s: Incorrect image filename syntax.\n", 
+                filename);
+        break;
+    case AVERROR_INVALIDDATA:
+        fprintf(stderr, "%s: Error while parsing header\n", filename);
+        break;
+    case AVERROR_NOFMT:
+        fprintf(stderr, "%s: Unknown format\n", filename);
+        break;
+    case AVERROR_IO:
+        fprintf(stderr, "%s: I/O error occured\n"
+	        "Usually that means that input file is truncated and/or corrupted.\n",
+		filename);
+        break;
+    case AVERROR_NOMEM:
+        fprintf(stderr, "%s: memory allocation error occured\n", filename);
+        break;
+    default:
+        fprintf(stderr, "%s: Error while opening file\n", filename);
+        break;
+    }
+}
+
+static bool opt_input_file(const char *filename)
+{
+    AVFormatContext *ic;
+    AVFormatParameters params, *ap = &params;
+    int err, ret, rfps, rfps_base;
+    unsigned int i;
+    int64_t timestamp;
+
+    /* get default parameters from command line */
+    ic = avformat_alloc_context();
+
+    memset(ap, 0, sizeof(*ap));
+    ap->prealloced_context = 1;
+    ap->time_base.den = frame_rate;
+    ap->time_base.num = frame_rate_base;
+    ap->width = frame_width + 0 + 0;
+    ap->height = frame_height + 0 + 0;
+    ap->pix_fmt = frame_pix_fmt;
+    ap->channel = 0;
+    ap->standard = 0;
+    ap->video_codec_id = CODEC_ID_NONE;
+    if(pgmyuv_compatibility_hack)
+        ap->video_codec_id= CODEC_ID_PGMYUV;
+
+    /* open the input file with generic libav function */
+    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
+    if (err < 0) {
+        print_error(filename, err);
+        return 0;
+    }
+
+    ic->loop_input = 0;
+
+    /* If not enough info to get the stream parameters, we decode the
+       first frames to get it. (used in mpeg case for example) */
+    ret = av_find_stream_info(ic);
+    if (ret < 0 && verbose >= 0) {
+        fprintf(stderr, "%s: could not find codec parameters\n", filename);
+        return false;
+    }
+
+    timestamp = 0;
+    /* add the stream start time */
+    if (ic->start_time != (int64_t)AV_NOPTS_VALUE)
+        timestamp += ic->start_time;
+
+    /* update the current parameters so that they match the one of the input stream */
+    for(i=0;i<ic->nb_streams;i++) {
+        AVCodecContext *enc = ic->streams[i]->codec;
+        enc->thread_count= 1;
+        switch(enc->codec_type) {
+        case CODEC_TYPE_VIDEO:
+            frame_height = enc->height;
+            frame_width = enc->width;
+            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
+            frame_pix_fmt = enc->pix_fmt;
+            rfps      = ic->streams[i]->r_frame_rate.num;
+            rfps_base = ic->streams[i]->r_frame_rate.den;
+            if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
+
+            if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
+
+                if (verbose >= 0)
+                    fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
+                            i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
+
+                    (float)rfps / rfps_base, rfps, rfps_base);
+            }
+            /* update the current frame rate to match the stream frame rate */
+            frame_rate      = rfps;
+            frame_rate_base = rfps_base;
+
+            enc->rate_emu = 0;
+            break;
+        case CODEC_TYPE_DATA:
+            break;
+        case CODEC_TYPE_SUBTITLE:
+            break;
+        case CODEC_TYPE_UNKNOWN:
+            break;
+        default:
+            //av_abort();
+            return false;
+        }
+    }
+
+    input_files[nb_input_files] = ic;
+    input_files_ts_offset[nb_input_files] = input_ts_offset - timestamp;
+    /* dump the file content */
+    if (verbose >= 0)
+        dump_format(ic, nb_input_files, filename, 0);
+
+    nb_input_files++;
+    file_iformat = NULL;
+    file_oformat = NULL;
+    return true;
+}
+
+static void check_video_inputs(int *has_video_ptr)
+{
+    int has_video;
+    unsigned int i, j;
+    AVFormatContext *ic;
+
+    has_video = 0;
+    for(j=0;j<nb_input_files;j++) {
+        ic = input_files[j];
+        for(i=0;i<ic->nb_streams;i++) {
+            AVCodecContext *enc = ic->streams[i]->codec;
+            switch(enc->codec_type) {
+            case CODEC_TYPE_VIDEO:
+                has_video = 1;
+                break;
+            case CODEC_TYPE_DATA:
+            case CODEC_TYPE_UNKNOWN:
+            case CODEC_TYPE_SUBTITLE:
+                break;
+            default:
+                //av_abort();
+                return;
+            }
+        }
+    }
+    *has_video_ptr = has_video;
+}
+
+
+static bool new_video_stream(AVFormatContext *oc)
+{
+    AVStream *st;
+    AVCodecContext *video_enc;
+    CodecID codec_id;
+
+    st = av_new_stream(oc, oc->nb_streams);
+    if (!st) {
+        fprintf(stderr, "Could not alloc stream\n");
+        return false;
+    }
+    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
+
+    video_enc = st->codec;
+
+    {
+        AVCodec *codec;
+
+        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
+
+        video_enc->codec_id = codec_id;
+        codec = avcodec_find_encoder(codec_id);
+
+        video_enc->time_base.den = frame_rate;
+        video_enc->time_base.num = frame_rate_base;
+/*      if(codec && codec->supported_framerates){
+            const AVRational *p= codec->supported_framerates;
+            AVRational req= (AVRational){frame_rate, frame_rate_base};
+            const AVRational *best=NULL;
+            AVRational best_error= (AVRational){INT_MAX, 1};
+            for(; p->den!=0; p++){
+                AVRational error= av_sub_q(req, *p);
+                if(error.num <0) error.num *= -1;
+                if(av_cmp_q(error, best_error) < 0){
+                    best_error= error;
+                    best= p;
+                }
+            }
+            video_enc->time_base.den= best->num;
+            video_enc->time_base.num= best->den;
+        }*/
+
+        if((keep_aspect_ratio & 2) == keep_aspect_ratio) { // Nur Höhe wurde definiert
+    		video_enc->width = ((int)((float)frame_height * frame_aspect_ratio)) & 0x7ffffff8;
+	       	video_enc->height = frame_height;
+        } else if((keep_aspect_ratio & 1) == keep_aspect_ratio) { // Nur Weite wurde definiert
+	       	video_enc->width = frame_width;
+    		video_enc->height = ((int)((float)frame_width / frame_aspect_ratio)) & 0x7ffffff8;
+        } else {
+    		video_enc->width = frame_width;
+	       	video_enc->height = frame_height;
+        }
+
+        video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
+        video_enc->pix_fmt = frame_pix_fmt;
+        st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
+
+        if(codec && codec->pix_fmts){
+            const enum PixelFormat *p= codec->pix_fmts;
+            for(; *p!=-1; p++){
+                if(*p == video_enc->pix_fmt)
+                    break;
+            }
+            if(*p == -1)
+                video_enc->pix_fmt = codec->pix_fmts[0];
+        }
+
+/*      if (intra_only)
+            video_enc->gop_size = 0;*/
+        if (same_quality) {
+            video_enc->flags |= CODEC_FLAG_QSCALE;
+            st->quality = FF_QP2LAMBDA;
+            video_enc->global_quality= (int)st->quality;
+        }
+
+        video_enc->max_qdiff = video_qdiff;
+        video_enc->rc_eq = video_rc_eq;
+        video_enc->thread_count = 1;
+        video_enc->rc_override_count=0;
+        if (!video_enc->rc_initial_buffer_occupancy)
+            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
+        video_enc->me_threshold= 0;
+        video_enc->intra_dc_precision= 0;
+        video_enc->strict_std_compliance = 0;
+
+        video_enc->me_method = me_method;
+
+    }
+
+    return true;
+}
+
+/**
+ * Copy the string str to buf. If str length is bigger than buf_size -
+ * 1 then it is clamped to buf_size - 1.
+ * NOTE: this function does what strncpy should have done to be
+ * useful. NEVER use strncpy.
+ * 
+ * @param buf destination buffer
+ * @param buf_size size of destination buffer
+ * @param str source string
+ */
+void pstrcpy(char *buf, int buf_size, const char *str)
+{
+    int c;
+    char *q = buf;
+
+    if (buf_size <= 0)
+        return;
+
+    for(;;) {
+        c = *str++;
+        if (c == 0 || q >= buf + buf_size - 1)
+            break;
+        *q++ = c;
+    }
+    *q = '\0';
+}
+
+static bool opt_output_file(const char *filename)
+{
+    AVFormatContext *oc;
+    int use_video, input_has_video = 0;
+    AVFormatParameters params, *ap = &params;
+
+    oc = avformat_alloc_context();
+
+    if (!file_oformat) {
+        file_oformat = guess_format(NULL, filename, NULL);
+        if (!file_oformat) {
+            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
+                    filename);
+            return false;
+        }
+    }
+
+    oc->oformat = file_oformat;
+    pstrcpy(oc->filename, sizeof(oc->filename), filename);
+
+    {
+        use_video = file_oformat->video_codec != CODEC_ID_NONE;
+
+        /* disable if no corresponding type found and at least one
+           input file */
+        if (nb_input_files > 0) {
+            check_video_inputs(&input_has_video);
+            if (!input_has_video)
+                use_video = 0;
+        }
+
+        if (use_video) {
+            if(!new_video_stream(oc))
+                return false;
+        }
+
+        oc->timestamp = 0;
+
+    }
+
+    output_files[nb_output_files++] = oc;
+
+    /* check filename in case of an image number is expected */
+    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
+        if (!av_filename_number_test(oc->filename)) {
+            print_error(oc->filename, AVERROR_NUMEXPECTED);
+            return false;
+        }
+    }
+
+    memset(ap, 0, sizeof(*ap));
+    if (av_set_parameters(oc, ap) < 0) {
+        fprintf(stderr, "%s: Invalid encoding parameters\n",
+                oc->filename);
+        return false;
+    }
+
+    oc->preload= (int)(mux_preload*AV_TIME_BASE);
+    oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
+    oc->loop_output = AVFMT_NOOUTPUTLOOP;
+
+    /* reset some options */
+    file_oformat = NULL;
+    file_iformat = NULL;
+    return true;
+}
+
+
+void ffm_initalize(void)
+{
+    av_log_set_level(verbose);
+    av_register_all();
+    avctx_opts= avcodec_alloc_context();
+}
+
+void ffm_deinitalize(void)
+{
+    //av_free_static();
+}
+
+ 
+
+bool decode (const char* szMPVfile, /* const tPackedList & packed, */
+             const char* szTmpMask, 
+             int width, int height)
+{
+    unsigned int i,j;
+    nb_input_files = 0;
+    nb_output_files = 0;
+
+    frame_width = 0;
+    frame_height = 0;
+    frame_aspect_ratio = 0;
+    frame_pix_fmt = PIX_FMT_YUV420P;
+    frame_rate = 25;
+    frame_rate_base = 1;
+    keep_aspect_ratio = 1;
+
+    /* parse options */
+    if(!opt_input_file(szMPVfile))
+        return false;
+
+    if (width != -1 || height != -1) {
+    	if (width != -1) {
+    		frame_width = width;
+            keep_aspect_ratio |= 1;
+        } else {
+            keep_aspect_ratio &= ~1;
+        }
+
+    	if (height != -1) {
+    		frame_height = height;
+            keep_aspect_ratio |= 2;
+        } else {
+            keep_aspect_ratio &= ~2;
+        }
+    }
+
+    if(!opt_output_file (szTmpMask))
+        return false;
+
+    /* file converter / grab */
+    if (nb_output_files <= 0) {
+        fprintf(stderr, "Must supply at least one output file\n");
+        return false;
+    }
+    
+    if (nb_input_files <= 0) {
+        fprintf(stderr, "Must supply at least one input file\n");
+        return false;
+    }
+
+    bool bRet = av_encode(output_files, nb_output_files, input_files, nb_input_files);
+
+    /* close files */
+    for(i=0;i<nb_output_files;i++) {
+        /* maybe av_close_output_file ??? */
+        AVFormatContext *s = output_files[i];
+
+        if (!(s->oformat->flags & AVFMT_NOFILE))
+	    url_fclose(s->pb);
+	for(j=0;j<s->nb_streams;j++)
+	    av_free(s->streams[j]);
+        av_free(s);
+    }
+    for(i=0;i<nb_input_files;i++)
+        av_close_input_file(input_files[i]);
+
+	return bRet;
+}
+
diff --git a/contrib/vdr2jpeg/ffm.h b/contrib/vdr2jpeg/ffm.h
new file mode 100644
index 0000000..21fab77
--- /dev/null
+++ b/contrib/vdr2jpeg/ffm.h
@@ -0,0 +1,28 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright (c) 2005-2008 Andreas Brachold
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ *
+ */
+
+extern void ffm_initalize(void);
+extern void ffm_deinitalize(void);
+
+extern bool decode(const char* szMPVfile,
+                   const char* szTmpMask, int width, int height); 
+
+
+// Helperclass for proper init/deinit ffmpeg
+struct ffminit
+{
+    ffminit() { 
+      ffm_initalize();    
+    }
+
+    virtual ~ffminit() { 
+      ffm_deinitalize();   
+    }
+};
diff --git a/contrib/vdr2jpeg/gop.cpp b/contrib/vdr2jpeg/gop.cpp
new file mode 100644
index 0000000..56f44e2
--- /dev/null
+++ b/contrib/vdr2jpeg/gop.cpp
@@ -0,0 +1,751 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright(c) 2005-2010 Andreas Brachold
+ * 
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>       
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <time.h>
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <vector>
+#include <algorithm>
+#include "ffm.h"
+#include "gop.h"
+#include "mpegdec.h"
+
+bool operator >>(std::istream & i, tFrame & x)
+{
+    i.read((x.u.rawdata), sizeof(x.u.rawdata));    // Read all data in one step
+    if(i.gcount() == sizeof(x.u.rawdata)) {
+      return true;
+    } else {
+      return false;
+    }
+}
+
+std::ostream & operator <<(std::ostream & o, const tFrame & x)
+{
+    o << " I-Frame = " << x.nIFrame;
+//#ifdef DEBUG
+//    o << " Offset = " << x.u.pes.offset;
+//    o << " File = " <<(int) x.u.pes.number;
+//    o << " Type = " <<(int) x.u.pes.type;
+//    o << " Reserved : " << x.u.pes.reserved;
+//#endif // DEBUG
+    return o;
+}
+
+
+bool ReadIndexFile(const std::string & szFile, int nIndexVersion, 
+                   const std::vector < int >&nFrames, 
+                   std::vector < std::pair<tFrame,tFrame> > &nGOP)
+{
+    if(szFile.empty()) {
+        std::cerr << "Missing index file" << std::endl;
+        return false;
+    }
+
+    if(nFrames.empty()) {
+        std::cerr << "Missing wanted frames" << std::endl;
+        return false;
+    }
+
+    try
+    {
+        std::ifstream f(szFile.c_str(), std::ifstream::in | std::ifstream::binary);
+        
+        if(f.fail()) {
+            std::cerr << "Can't open file : " << szFile << std::endl;
+        return false;
+        }
+        std::vector < int >::const_iterator i = nFrames.begin();
+        std::vector < int >::const_iterator e = nFrames.end();
+        for(; i != e && f.good(); ++i) {
+          std::pair<tFrame,tFrame> gop;
+          tFrame x( *i );
+          f.seekg(x.nIFrame * 8, std::ifstream::beg);
+            do
+            {
+                if(!f.good())
+                {
+                    std::cerr << "Seek behind end of file : ";
+                    std::cerr << szFile;
+                    std::cerr << " at first frame ";
+                    std::cerr << x.nIFrame << std::endl;
+                    return false;
+                }
+                if(!(f >> x)) {
+                    std::cerr << "Incomplete struct : ";
+                    std::cerr << szFile;
+                    std::cerr << " at first frame ";
+                    std::cerr << x.nIFrame << std::endl;
+                    return false;                  
+                }
+                if(!x.bIsIFrame(nIndexVersion))
+                {
+                    f.seekg(8 * 2 * -1, std::ifstream::cur);
+                    if(x.nIFrame > 0)
+                      --x.nIFrame;
+                    else {
+                      std::cerr << "Missing start struct : ";
+                      std::cerr << szFile;
+                      std::cerr << " at first frame ";
+                      std::cerr << x.nIFrame << std::endl;
+                      return false;
+                    }
+                }
+            }
+            while(!x.bIsIFrame(nIndexVersion)); // loop until found I-Frame
+
+            gop.first = x;    //Remember I-Frame
+            do
+            {
+                ++x.nIFrame;
+                if(!f.good())
+                {
+                    std::cerr << "Seek behind end of file : ";
+                    std::cerr << szFile;
+                    std::cerr << " at second frame ";
+                    std::cerr << x.nIFrame << std::endl;
+                    return false;
+                }
+                if(!(f >> x)) {
+#ifdef DEBUG
+                    std::cerr << "Incomplete struct : ";
+                    std::cerr << szFile;
+                    std::cerr << " at Frame ";
+                    std::cerr << x.nIFrame << std::endl;
+#endif
+                    return true;                  
+                }
+            }
+            while(f.good() && !x.bIsIFrame(nIndexVersion));    // Build IBBP..I -> break on next I-Frame
+            gop.second = x;
+            nGOP.push_back(gop);    //Remember I-Frame
+        }
+        f.close();
+        return true;
+    }
+    catch(...) {
+        std::cerr << "Something fail at read " << szFile << std::endl;
+        return false;
+    }
+}
+
+bool ReadIndexFileFull(const std::string & szFile, int nIndexVersion, 
+                       std::vector < std::pair<tFrame,tFrame> > &nGOP,
+                       bool bIntraOnly,
+                       unsigned int &nFirst, unsigned int nLimit)
+{
+    if(szFile.empty()) {
+        std::cerr << "Missing index file" << std::endl;
+        return false;
+    }
+
+    try
+    {
+        std::ifstream f(szFile.c_str(), std::ifstream::in | std::ifstream::binary);
+        
+        if(f.fail()) {
+          std::cerr << "Can't open file : " << szFile << std::
+              endl;
+          return false;
+        }
+
+        std::pair<tFrame,tFrame> gop;
+        tFrame x(nFirst);
+        f.seekg(nFirst * 8, std::ifstream::beg);
+
+        // Search first I-Frame
+        while(bIntraOnly && f.good()) {
+          if(!(f >> x)) {
+              std::cerr <<
+                  "Incomplete struct : ";
+              std::cerr << szFile;
+              std::cerr << " at Frame ";
+              std::cerr << x.nIFrame << std::endl;
+              return false;                  
+          }
+          if(x.bIsIFrame(nIndexVersion)) {
+            break;
+          }
+          ++x.nFrame;
+          ++x.nIFrame;
+        }
+        // Read all frames
+        while(f.good()) {
+
+          gop.first = x;    //First I-Frame
+
+          do // Build IBBP..I -> break on next I-Frame
+          {
+            if(!(f >> x)) {
+#ifdef DEBUG
+                std::cerr <<
+                    "Incomplete struct : ";
+                std::cerr << szFile;
+                std::cerr << " at Frame ";
+                std::cerr << x.nIFrame << std::endl;
+#endif
+                return true;                  
+            }
+            ++x.nFrame;
+            ++x.nIFrame;
+            if(!bIntraOnly || x.bIsIFrame(nIndexVersion)) {
+              break;
+            }
+          } while(f.good());    
+
+          gop.second = x; //Last I-Frame
+
+//        std::cerr << x << std::endl;
+          nGOP.push_back(gop);    //Remember GOP IBBP..I
+          if(x.nFrame >= (nFirst + nLimit)) {
+            nFirst = x.nFrame;
+            break;
+          }
+        }
+        f.close();
+        return true;
+    }
+    catch(...) {
+        std::cerr << "Something fail at read " << szFile << std::endl;
+        return false;
+    }
+}
+
+int copy(const char * inn, const char * outn )  
+{  
+    char buffer[8192];
+    int count,readed = 0,written = 0;  
+    int in,out;  
+
+    in = open(inn,O_RDONLY);  
+    if(in == -1)
+        return -1;
+    out = open(outn,O_CREAT|O_TRUNC|O_WRONLY,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);  
+    if(out == -1)
+        return -1;
+
+    while(0 < (count = read(in,buffer,sizeof(buffer)))) {
+        readed += count;
+        written += write(out,buffer,count);
+        if(readed != written)
+            break;
+    }
+    return ((readed == written) ? 0 : -1);
+} 
+
+bool temppath(const std::string & szOutPath, std::string & szTmpBase )  
+{
+    unsigned int nT = time(0);
+    srand(nT);
+
+    std::stringstream so;
+    so << szOutPath;
+    if('/' != *szOutPath.rbegin())
+        so << '/';
+    so << "tmp-vdr2jpeg-";
+    so.fill('0');
+    so.width(8);
+    so << std::hex;
+    so << rand();
+    szTmpBase = so.str();
+    return true;
+}
+
+void unlinkTmpfiles(const std::string & szTmpBase, bool bJPEG )
+{
+    std::stringstream so;
+    struct stat64 ds;
+    for(unsigned int i = 1 ; i <= 99 ; ++i)
+    {
+        so.str("");
+        so << szTmpBase;
+        so.fill('0');
+        so.width(2);
+        so << i;
+        so << (bJPEG ? ".jpg" : ".ppm");
+        so << std::ends;
+        std::string szTmp(so.str());
+
+        if(stat64(szTmp.c_str(), &ds)) {
+            break;
+        }
+        if(-1 == unlink(szTmp.c_str())) {
+            perror(szTmp.c_str());
+            break;
+        }
+    }
+    so.str("");
+    so << szTmpBase;
+    so << ".mpv";
+    so << std::ends;
+    std::string szTmpMVP(so.str());
+    if(stat64(szTmpMVP.c_str(), &ds)) {
+        return;
+    }
+    if(-1 == unlink(szTmpMVP.c_str())) {
+        perror(szTmpMVP.c_str());
+        return;
+    }
+}
+
+bool linkTmpfile(const std::string & szTmp, const std::string & szOutPath,
+                 int nFrame, bool bJPEG)
+{
+    struct stat64 ds;
+    std::stringstream so;
+
+    so << szOutPath;
+    if('/' != *szOutPath.rbegin())
+        so << '/';
+    so.fill('0');
+    so.width(8);
+    so << nFrame;
+    so << (bJPEG ? ".jpg" : ".ppm");
+    so << std::ends;
+    std::string szFile(so.str());
+
+
+    if(!stat64(szFile.c_str(), &ds)) {
+        if(-1 == unlink(szFile.c_str())) {
+            perror(szFile.c_str());
+            return false;
+        }
+    }
+
+    int nErr = link(szTmp.c_str(),szFile.c_str());
+    if(-1 == nErr && (errno == EXDEV || errno == EPERM ))
+    {
+        nErr = copy(szTmp.c_str(),szFile.c_str());
+    }
+    if(0 != nErr || 0 != chmod(szFile.c_str(),S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) )
+    {
+       if(errno == EEXIST || errno == EACCES)
+           perror(szFile.c_str());
+       else
+           perror(szTmp.c_str());
+       return false;
+    }
+    return true;
+}
+
+bool handleTmpfile(const std::string & szTmpBase, const std::string & szOutPath,
+                 int nFrame, int nFrameBase, bool exact, bool bJPEG, bool bLink,
+                 unsigned int nWidth,unsigned int nHeight)
+{
+    struct stat64 ds;
+
+    std::string szTmp;
+    std::stringstream so;
+    // started from wantet frame, avoid skipped duplicated frames
+    // look backward
+    for(unsigned int n = (nFrame - nFrameBase + 1) ; n > 0 ; --n)
+    {
+        so.str("");
+        so << szTmpBase;
+        so.fill('0');
+        so.width(2);
+        so << n;
+        so << (bJPEG ? ".jpg" : ".ppm");
+        so << std::ends;
+        std::string szTmpTry = so.str();
+
+        if(stat64(szTmpTry.c_str(), &ds)) {
+            if(exact) {
+                std::cerr << "Can't find tmp file : " << szTmpTry.c_str() << std::endl;
+                return false;
+            }
+        }
+        else 
+        {
+            szTmp = szTmpTry;
+            break;
+        }
+    }
+
+    if(szTmp.length() == 0)
+    {    
+        // look forward backward
+        for(unsigned int n = (nFrame - nFrameBase + 1) ; n <= 99 ; ++n)
+        {
+            so.str("");
+            so << szTmpBase;
+            so.fill('0');
+            so.width(2);
+            so << n;
+            so << (bJPEG ? ".jpg" : ".ppm");
+            so << std::ends;
+            std::string szTmpTry = so.str();
+
+            if(stat64(szTmpTry.c_str(), &ds)) {
+                if(exact) {
+                    std::cerr << "Can't find tmp file : " << szTmpTry.c_str() << std::endl;
+                    return false;
+                }
+            }
+            else 
+            {
+                szTmp = szTmpTry;
+                break;
+            }
+        }
+    }
+    if(szTmp.length() == 0)
+    {
+        std::cerr << "Can't find any tmp file" << std::endl;
+        return false;
+    }       
+    if(bLink) {
+      return linkTmpfile(szTmp,szOutPath, nFrame, bJPEG );
+    } 
+    return false;
+}
+
+
+bool ReadGOP(const std::string & szFile, int nBegin, int nLength, char *pMem )
+{
+    std::ifstream f(szFile.c_str(),
+              std::ifstream::in | std::ifstream::binary);
+    if(f.fail()) {
+        std::cerr << "Can't open file : " << szFile << std::endl;
+        return false;
+    }
+
+    if(nBegin < 0) {
+        std::cerr << "Negativ seek at file : " << szFile << std::endl;
+        return false;
+    }
+
+    if(nLength < 0) {
+        std::cerr << "Negativ length at file : " << szFile << std::endl;
+        return false;
+    }
+
+    if(nBegin != 0) {
+      f.seekg(nBegin, std::ifstream::beg);    // Seek to I-Frame
+    }
+
+    f.read(pMem, nLength);
+    if (f.gcount() != nLength) {
+        std::cerr << "Can't read all from file : " << szFile << std::endl;
+        return false;
+    }
+    return true;
+}
+
+bool ReadRecordings(const std::string & szFolder, int nIndexVersion, 
+        const std::string & szOutPath, const std::string & szTempPath,
+        const std::vector < std::pair<tFrame,tFrame> > &nGOP, int width, int height,
+        bool exact, bool bJPEG)
+{
+    if(szFolder.empty())
+    {
+        std::cerr << "Missing VDR-recording folder" << std::endl;
+        return false;
+    }
+
+    if(nGOP.empty())
+    {
+        std::cerr << "Missing wanted GOP" << std::endl;
+        return false;
+    }
+
+    unsigned int nError = 0;
+    std::vector < std::pair<tFrame,tFrame> >::const_iterator i = nGOP.begin();
+    std::vector < std::pair<tFrame,tFrame> >::const_iterator e = nGOP.end();
+
+    for(; i != e; ++i)
+    {
+#ifdef DEBUG
+        std::cout << "Extract GOP : ";
+        std::cout << i->first << " / " << i->second << std::endl;
+#endif //DEBUG
+
+        //Skip empty frames (most at end)
+        if(i->first.GetOffset(nIndexVersion) == i->second.GetOffset(nIndexVersion)) {
+          continue;
+        }
+
+        std::stringstream ss;
+        std::string szTmpBase;
+        if(!temppath(szTempPath,szTmpBase))
+        {
+            std::cerr << "Can't get tempname" << std::endl;
+            return false;
+        }
+
+        ss << szTmpBase;
+        ss << ".mpv";
+        ss << std::ends;
+        std::string szTmpMVP(ss.str());
+
+        try
+        {
+            char *pMem = NULL;
+            off_t nSize  = 0;
+
+            // Offset bigger then current 00x.vdr files, goto next
+            if((i->first.GetOffset(nIndexVersion) >= i->second.GetOffset(nIndexVersion) 
+             || i->first.GetFileNr(nIndexVersion) != i->second.GetFileNr(nIndexVersion)) 
+             && i->second.GetOffset(nIndexVersion) != 0) {
+
+                ss.str("");
+                ss << szFolder;
+                if('/' != *szFolder.rbegin())
+                    ss << '/';
+                i->first.buildFilename(ss,nIndexVersion); // Filenumber 001.vdr ...
+                ss << std::ends;
+                std::string szFile(ss.str());
+
+                struct stat64 ds;
+                if(stat64(szFile.c_str(), &ds)) {
+                    std::cerr << "Can't find file : " << szFile << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+
+                if(i->first.GetOffset(nIndexVersion) >= (ds.st_size)) {
+                    std::cerr << "Offset bigger than current file : " << szFile << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+
+                nSize = ds.st_size - i->first.GetOffset(nIndexVersion) + i->second.GetOffset(nIndexVersion);
+                if(nSize <= 0
+                    || nSize >=(1 << 24)
+                    || NULL ==(pMem = new char[nSize])) {
+                    std::cerr << "Can't alloc memory for file : " << szFile << std::endl;
+                    std::cerr << "want :" << nSize << " bytes" << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+
+                if(!ReadGOP(szFile, i->first.GetOffset(nIndexVersion), ds.st_size - i->first.GetOffset(nIndexVersion), pMem)) {
+                  delete[]pMem;
+                  return false;
+                }
+
+                ss.str("");
+                ss << szFolder;
+                if('/' != *szFolder.rbegin())
+                    ss << '/';
+                i->second.buildFilename(ss,nIndexVersion); // Filenumber 002.vdr ...
+                ss << std::ends;
+                szFile = ss.str();
+
+                if(stat64(szFile.c_str(), &ds)) {
+                    std::cerr << "Can't find file : " << szFile << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+
+                if(i->second.GetOffset(nIndexVersion) >=(ds.st_size)) {
+                    std::cerr << "Offset bigger than current file : " << szFile << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+
+                if(!ReadGOP(szFile, 0, i->second.GetOffset(nIndexVersion), pMem + i->first.GetOffset(nIndexVersion))) {
+                  delete[]pMem;
+                  return false;
+                }
+
+            } else {
+
+                ss.str("");
+                ss << szFolder;
+                if('/' != *szFolder.rbegin())
+                    ss << '/';
+                i->first.buildFilename(ss,nIndexVersion); // Filenumber 001.vdr ...
+                ss << std::ends;
+                std::string szFile(ss.str());
+
+                struct stat64 ds;
+                if(stat64(szFile.c_str(), &ds))
+                {
+                    std::cerr << "Can't find file : " << szFile << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+                if(i->first.GetOffset(nIndexVersion) >=(ds.st_size)) {
+                    std::cerr << "Offset bigger than current file : " << szFile << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+
+                // size of GOP
+                nSize = i->second.GetOffset(nIndexVersion) 
+                      ? i->second.GetOffset(nIndexVersion) - i->first.GetOffset(nIndexVersion)
+                      : ds.st_size - i->first.GetOffset(nIndexVersion);
+                if(nSize <= 0
+                    || nSize >=(1 << 24)
+                    || NULL ==(pMem = new char[nSize]))
+                {
+                    std::cerr << "Can't alloc memory for file : " << szFile << std::endl;
+                    std::cerr << "want :" << nSize << " bytes" << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                }
+
+                if(!ReadGOP(szFile, i->first.GetOffset(nIndexVersion), nSize, pMem)) {
+                  delete[]pMem;
+                  return false;
+                }
+            }
+
+
+/* 
+00 00 01 // PES Startcode
+e4       // Streamtype
+07 fa    // Length => 2042
+84 c0    // notused
+0b       // header_length
+*/
+            int nMagicFormat = -1;
+            static const unsigned char pesMagic[3] = { 0x00, 0x00, 0x01 };
+            static const unsigned char tsMagic[3] = { 0x47, 0x40, 0x00 };
+            if(0 == memcmp(pMem, pesMagic, sizeof(pesMagic))) {
+              nMagicFormat = 1;
+            } else if(0 == memcmp(pMem, tsMagic, sizeof(tsMagic))) {
+              nMagicFormat = 2;
+            } else {
+                std::cerr << "No valid magic found, at current pes packet, for file : " << szFolder << std::endl;
+                std::cerr << i->first  << " / " << i->second << std::endl;
+#ifdef DEBUG
+#if 0
+                for(unsigned int b = 0; b < nSize; ++b) {        
+                  if(0 == b % 16) {
+                     std::cerr << std::endl;
+                     std::cerr.fill('0');
+                     std::cerr.width(4);
+                     std::cerr << std::hex << b;
+                     std::cerr << " ";
+                  }
+#else
+                std::cerr << "magic and streamcode are : ";
+                for(unsigned int b = 0; b < 4 && b < nSize; ++b) {   
+#endif
+                  std::cerr.fill('0');
+                  std::cerr.width(2);
+                  std::cerr << std::hex << (unsigned int)(*(pMem + b) & 0xFF);
+                  std::cerr << " ";
+                }
+                std::cerr << std::endl;
+#endif
+                delete[]pMem;
+                return false;
+            }
+
+            bool bRet = false;
+            if(nMagicFormat == 1) {
+              demux_reset();
+              bRet = 0 == demuxPES ((uint8_t*)pMem,(uint8_t*)pMem + nSize, szTmpMVP.c_str(), 0);
+            } else {
+              demux_reset();
+              bRet = 0 == demuxTS ((uint8_t*)pMem,(uint8_t*)pMem + nSize, szTmpMVP.c_str(), 0);
+            }
+            if(bRet)
+            {
+              std::stringstream so;
+              so << szTmpBase;
+              so << "%2d";
+              so << (bJPEG ? ".jpg" : ".ppm");
+              so << std::ends;
+              std::string szTmpMask(so.str());
+              bRet = decode(szTmpMVP.c_str(), szTmpMask.c_str(), width, height);
+              if(bRet) 
+              {
+                  if(!handleTmpfile(szTmpBase, szOutPath,i->first.nFrame,
+                                    i->first.nIFrame, exact, bJPEG, bJPEG,width, height)) {
+                    std::cerr << "Can't handle file : " << szFolder << std::endl;
+                    std::cerr << i->first  << " / " << i->second << std::endl;
+                    return false;
+                  }
+
+                  // look for more picture from same GOP
+                  std::vector < std::pair<tFrame,tFrame> >::const_iterator j = i + 1;
+                  std::vector < std::pair<tFrame,tFrame> >::const_iterator e = nGOP.end();
+                  for(;j != e; ++j ,++i) 
+                  {
+                      if((i->first.nIFrame != j->first.nIFrame ) 
+                        ||(!handleTmpfile(szTmpBase, szOutPath,i->first.nFrame, 
+                                          i->first.nIFrame, exact, bJPEG, bJPEG, width, height)))
+                          break;
+                  }
+              }
+            }
+            unlinkTmpfiles(szTmpBase, bJPEG);
+
+            delete[]pMem;
+            if(!bRet)
+            {
+                std::cerr << "decode failed, for file : " << szFolder << std::endl;
+                std::cerr << i->first  << " / " << i->second << std::endl;
+                nError += 1;
+            }
+        }
+        catch(...)
+        {
+            std::cerr << "Something fail at read " << szFolder << std::endl;
+            return false;
+        }
+    }
+    return (nError == 0);
+}
+
+bool decodegop(const std::string & szFile,
+               const std::string & szOutPath,
+               int nFrame, int width, int height,
+               bool exact, bool bJPEG)
+{
+    struct stat64 ds;
+    if(stat64(szFile.c_str(), &ds)) {
+        std::cerr << "Can't stat file : " << szFile << std::endl;
+        return false;
+    }
+    try
+    {
+        std::string szTmpBase;
+        if(!temppath(szOutPath, szTmpBase))
+        {
+            std::cerr << "Can't get tempname" << std::endl;
+            return false;
+        }
+
+        std::stringstream so;
+        so << szTmpBase;
+        so << "%2d";
+        so << (bJPEG ? ".jpg" : ".ppm");
+        so << std::ends;
+        std::string szTmpMask(so.str());
+
+        bool bRet = decode(szFile.c_str(), szTmpMask.c_str(), width, height)
+                    && handleTmpfile(szTmpBase, szOutPath, exact ? nFrame : 0 , 0, exact, bJPEG, true, width, height );
+
+        unlinkTmpfiles(szTmpBase, bJPEG);
+
+        return bRet;
+
+    }
+    catch(...)
+    {
+        std::cerr << "Something fail at read " << szFile << std::endl;
+    }
+    return false;
+}
+
diff --git a/contrib/vdr2jpeg/gop.h b/contrib/vdr2jpeg/gop.h
new file mode 100644
index 0000000..410ae4a
--- /dev/null
+++ b/contrib/vdr2jpeg/gop.h
@@ -0,0 +1,111 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright(c) 2005-2010 Andreas Brachold
+ * 
+ * pes demux ported from vdrsync.pl : Copyright(c) 2005 Peter Sebbel 
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ *
+ */
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <stdint.h>
+
+struct tFrame
+{
+    unsigned int nFrame;
+    unsigned int nIFrame;
+    union uIndex
+    {
+        struct tIndexPES {
+            int32_t offset;
+            unsigned char type;
+            unsigned char number;
+            int16_t reserved;
+        } pes;
+        struct tIndexTS {
+            uint64_t offset:40; // up to 1TB per file (not using off_t here - must definitely be exactly 64 bit!)
+            int reserved:7;     // reserved for future use
+            int independent:1;  // marks frames that can be displayed by themselves (for trick modes)
+            uint16_t number:16; // up to 64K files per recording
+        } ts;
+        char rawdata[8];
+    } u;
+    tFrame()
+    {
+    };
+    tFrame(int n)
+    {
+        nFrame = n;
+        nIFrame = n - 6;
+        if(n <= 6)
+            nIFrame = 0;
+    };
+    bool bIsIFrame(int nVersion) const {
+       if(nVersion == 0) {
+          return u.pes.type == 1;
+       } else {
+          return u.ts.independent != 0;
+       }
+    };
+    off_t GetOffset(int nVersion) const {
+       if(nVersion == 0) {
+          return u.pes.offset;
+       } else {
+          return u.ts.offset;
+       }
+    };
+    unsigned int GetFileNr(int nVersion) const {
+       if(nVersion == 0) {
+          return u.pes.number;
+       } else {
+          return u.ts.number;
+       }
+    };
+    void buildFilename(std::ostream & o, int nVersion) const {
+      o.fill('0');
+      o.width(nVersion == 0 ? 3 : 5);
+      o << GetFileNr(nVersion); // Filenumber 002.vdr ...
+      if(nVersion == 0)
+        o << ".vdr";
+      else
+        o << ".ts";
+    };
+};
+
+bool operator >> (std::istream & i, tFrame & x);
+std::ostream & operator <<(std::ostream & o, const tFrame & x);
+
+
+bool ReadIndexFile(const std::string & szFile, int nIndexVersion, 
+      const std::vector < int >&nFrames, std::vector < std::pair<tFrame,tFrame> > &nGOP);
+
+bool ReadIndexFileFull(const std::string & szFile, int nIndexVersion, 
+                       std::vector < std::pair<tFrame,tFrame> > &nGOP,
+                       bool bIntraOnly,
+                       unsigned int &nFirst, unsigned int nLimit);
+
+int copy(const char * inn, const char * outn );
+
+bool temppath(const std::string & szOutPath, std::string & szTmpBase );
+
+void unlinkTmpfiles(const std::string & szTmpBase, bool bJPEG );
+
+bool handleTmpfile(const std::string & szTmpBase, const std::string & szOutPath,
+        int nFrame, int nFrameBase, bool exact, bool bJPEG, bool bLink,
+                  unsigned int nWidth,unsigned int nHeight);
+
+bool ReadRecordings(const std::string & szFolder, int nIndexVersion, 
+        const std::string & szOutPath, const std::string & szTempPath,
+        const std::vector < std::pair<tFrame,tFrame> > &nGOP, int width, int height,
+        bool exact, bool bJPEG = true);
+
+bool decodegop(const std::string & szFile,
+               const std::string & szOutPath,
+               int nFrame, int width, int height,
+               bool exact, bool bJPEG = true);
+
diff --git a/contrib/vdr2jpeg/mpegdec.cpp b/contrib/vdr2jpeg/mpegdec.cpp
new file mode 100644
index 0000000..bd26ebd
--- /dev/null
+++ b/contrib/vdr2jpeg/mpegdec.cpp
@@ -0,0 +1,383 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright(c) 2010 Andreas Brachold
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ */
+/*
+   the demuxer is based on the original demuxer from mpeg2dec.c
+    Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
+    Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include "mpegdec.h"
+
+
+#define DEMUX_HEADER 0
+#define DEMUX_DATA 1
+#define DEMUX_SKIP 2
+
+#define DEMUX_PAYLOAD_START 1
+#define DEMUX_RESET 2
+
+static int state = DEMUX_SKIP;
+static int state_bytes = 0;
+static int demux_pid = 0;
+static int demux_track = 0xE0;
+
+void demux_reset(void)
+{
+	state = DEMUX_SKIP;
+	state_bytes = 0;
+  demux_pid = 0;
+  demux_track = 0xE0;
+}
+
+static bool store_mpeg2 (unsigned char * current, unsigned char * end, const char* f)
+{
+  FILE * d;
+  d = fopen (f, "ab");
+  if (!d) {
+    fprintf (stderr, "Could not open file \"%s\".\n", f);
+    demux_reset();
+    return false;
+  }
+
+  fwrite (current, 1, end-current, d);
+  fclose (d);
+  return true;
+}
+
+
+// from mpeg2dec.cpp
+int demuxPES (unsigned char * buf, unsigned char * end, const char* f,  int flags)
+{
+	int iRet = 0;
+  static int mpeg1_skip_table[16] =
+  {
+    0, 0, 4, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+  };
+
+  /*
+   * the demuxer keeps some state between calls:
+   * if "state" = DEMUX_HEADER, then "head_buf" contains the first
+   *     "bytes" bytes from some header.
+   * if "state" == DEMUX_DATA, then we need to copy "bytes" bytes
+   *     of ES data before the next header.
+   * if "state" == DEMUX_SKIP, then we need to skip "bytes" bytes
+   *     of data before the next header.
+   *
+   * NEEDBYTES makes sure we have the requested number of bytes for a
+   * header. If we dont, it copies what we have into head_buf and returns,
+   * so that when we come back with more data we finish decoding this header.
+   *
+   * DONEBYTES updates "buf" to point after the header we just parsed.
+   */
+
+
+  static unsigned char head_buf[264];
+
+  unsigned char * header;
+  int bytes;
+  int len;
+
+#define NEEDBYTES(x)					\
+  do {							\
+    int missing;					\
+                                                        \
+    missing = (x) - bytes;				\
+    if (missing > 0) {					\
+      if (header == head_buf) {				\
+        if (missing <= end - buf) {			\
+          memcpy (header + bytes, buf, missing);	\
+          buf += missing;				\
+          bytes = (x);				        \
+        } else {					\
+          memcpy (header + bytes, buf, end - buf);	\
+          state_bytes = bytes + end - buf;		\
+          return iRet;					\
+        }						\
+      } else {						\
+        memcpy (head_buf, header, bytes);		\
+        state = DEMUX_HEADER;				\
+        state_bytes = bytes;				\
+        return iRet;					\
+      }							\
+    }							\
+  } while (0)
+
+#define DONEBYTES(x)		\
+  do {		        	\
+    if (header != head_buf)	\
+      buf = header + (x);	\
+  } while (0)
+
+  if (flags & DEMUX_RESET)
+  {
+	  state = DEMUX_SKIP;
+	  state_bytes = 0;
+  }
+  if (flags & DEMUX_PAYLOAD_START)
+  {
+    state = DEMUX_SKIP;
+    goto payload_start;
+  }
+  switch (state)
+  {
+    case DEMUX_HEADER:
+      if (state_bytes > 0)
+      {
+        header = head_buf;
+        bytes = state_bytes;
+        goto continue_header;
+      }
+    break;
+
+    case DEMUX_DATA:
+      if (demux_pid || (state_bytes > end - buf))
+      {
+        if(!store_mpeg2 (buf, end, f))
+          if(state == DEMUX_SKIP)  return 0;
+        state_bytes -= end - buf;
+        return iRet;
+      }
+      if(!store_mpeg2 (buf, buf + state_bytes, f))
+        if(state == DEMUX_SKIP)  return 0;
+      buf += state_bytes;
+    break;
+
+    case DEMUX_SKIP:
+    if (demux_pid || (state_bytes > end - buf))
+    {
+      state_bytes -= end - buf;
+      return iRet;
+    }
+    buf += state_bytes;
+    break;
+  }
+
+  while (1)
+  {
+    if (demux_pid)
+    {
+        state = DEMUX_SKIP;
+        return iRet;
+    }
+
+    payload_start:
+    header = buf;
+    bytes = end - buf;
+
+    continue_header:
+    NEEDBYTES (4);
+    if (header[0] || header[1] || (header[2] != 1))
+    {
+      if (demux_pid)
+      {
+      state = DEMUX_SKIP;
+      return iRet;
+      }
+      else if (header != head_buf)
+      {
+      buf++;
+      goto payload_start;
+      }
+      else
+      {
+        header[0] = header[1];
+        header[1] = header[2];
+        header[2] = header[3];
+        bytes = 3;
+        goto continue_header;
+      }
+    }
+    if (demux_pid)
+    {
+      if ((header[3] >= 0xe0) && (header[3] <= 0xef))
+        goto pes;
+      fprintf (stderr, "bad stream id %x\n", header[3]);
+      return -1;
+    }
+    switch (header[3])
+    {
+      case 0xb9:	/* program end code */
+        /* DONEBYTES (4); */
+        /* break;         */
+        return 1;
+
+      case 0xba:	/* pack header */
+        NEEDBYTES (12);
+      if ((header[4] & 0xc0) == 0x40)
+      {	/* mpeg2 */
+          NEEDBYTES (14);
+          len = 14 + (header[13] & 7);
+          NEEDBYTES (len);
+          DONEBYTES (len);
+          /* header points to the mpeg2 pack header */
+      }
+      else if ((header[4] & 0xf0) == 0x20)
+      {	/* mpeg1 */
+          DONEBYTES (12);
+          /* header points to the mpeg1 pack header */
+      }
+      else
+      {
+          fprintf (stderr, "weird pack header\n");
+          return -1;
+        }
+      break;
+
+      case 0xbd:	// private stream 1
+      case 0xc0:	// audio stream 0
+        NEEDBYTES (9);
+        len = header[4]*256+header[5]+6;
+        NEEDBYTES(len);
+        DONEBYTES(len);
+      break;
+    default:
+
+      if (header[3] == demux_track)
+      {
+      pes:
+        NEEDBYTES (7);
+        if ((header[6] & 0xc0) == 0x80)
+        {	/* mpeg2 */
+          NEEDBYTES (9);
+          len = 9 + header[8];
+          NEEDBYTES (len);
+        }
+        else
+        {	/* mpeg1 */
+          int len_skip;
+          len = 7;
+          while (header[len - 1] == 0xff)
+          {
+            len++;
+            NEEDBYTES (len);
+            if (len == 23)
+            {
+              fprintf (stderr, "too much stuffing\n");
+              break;
+            }
+          }
+          if ((header[len - 1] & 0xc0) == 0x40)
+          {
+            len += 2;
+            NEEDBYTES (len);
+          }
+          len_skip = len;
+          len += mpeg1_skip_table[header[len - 1] >> 4];
+          NEEDBYTES (len);
+        }
+        DONEBYTES (len);
+        bytes = 6 + (header[4] << 8) + header[5] - len;
+        if (demux_pid || (bytes > end - buf))
+        {
+          if(!store_mpeg2 (buf, end, f))
+            if(state == DEMUX_SKIP)  return 0;
+          state = DEMUX_DATA;
+          state_bytes = bytes - (end - buf);
+          return 0;
+        }
+        else if (bytes > 0)
+        {
+          if(!store_mpeg2 (buf, buf + bytes, f))
+            if(state == DEMUX_SKIP)  return 0;
+          buf += bytes;
+        }
+      }
+      else if (header[3] < 0xb9)
+      {
+        fprintf (stderr, "looks like a video stream, not system stream\n");
+        return -1;
+      }
+      else
+      {
+        //fprintf(stderr, "header[3] is %02X\n",header[3]);
+        NEEDBYTES (6);
+        DONEBYTES (6);
+        bytes = (header[4] << 8) + header[5];
+        //skip:
+        if (bytes > end - buf)
+        {
+          state = DEMUX_SKIP;
+          state_bytes = bytes - (end - buf);
+          return iRet;
+        }
+        buf += bytes;
+      }
+    }
+  }
+
+  return iRet;
+}
+
+int demuxTS(unsigned char * buffer, unsigned char * end, const char* f,  int flags )
+{
+	unsigned char * buf;
+	unsigned char * nextbuf;
+	unsigned char * data;
+	int pid;
+	buf = buffer;
+	int demuxflag = flags;
+  int iRet = -1;
+
+    int r = end - buf;
+    int i = 0;
+    while( i < r )
+    {
+      if (buf[i] != 0x47) 
+      {
+        fprintf (stderr, "bad sync byte\n");
+        i++;
+        continue;
+      }
+      demux_pid = ((buf[i+1] << 8) + buf[i+2]) & 0x1fff;
+      i+=188;
+    }
+
+	for (; (nextbuf = buf + 188) <= end; buf = nextbuf) 
+	{
+		if (*buf != 0x47) 
+		{
+			fprintf (stderr, "bad sync byte\n");
+			nextbuf = buf + 1;
+			continue;
+		}
+		pid = ((buf[1] << 8) + buf[2]) & 0x1fff;
+		if (pid != demux_pid)
+			continue;
+		data = buf + 4;
+		if (buf[3] & 0x20) 
+		{	// buf contains an adaptation field 
+			data = buf + 5 + buf[4];
+			if (data > nextbuf)
+				continue;
+		}
+		if (buf[3] & 0x10)
+		{
+			if( (demuxflag & DEMUX_RESET) == DEMUX_RESET )
+			{
+				if( buf[1] & 0x40 )
+				{
+					iRet = demuxPES (data, nextbuf, f, DEMUX_PAYLOAD_START|demuxflag);
+          if(state == DEMUX_SKIP)  return 0;
+					demuxflag = 0;
+				}
+			}
+			else
+			{
+				iRet = demuxPES (data, nextbuf, f, (buf[1] & 0x40) ? DEMUX_PAYLOAD_START|demuxflag : demuxflag);
+        if(state == DEMUX_SKIP)  return 0;
+				demuxflag = 0;
+			}
+		}
+	}
+	return iRet;
+}
diff --git a/contrib/vdr2jpeg/mpegdec.h b/contrib/vdr2jpeg/mpegdec.h
new file mode 100644
index 0000000..b28c32d
--- /dev/null
+++ b/contrib/vdr2jpeg/mpegdec.h
@@ -0,0 +1,17 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright(c) 2010 Andreas Brachold
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ */
+
+#ifndef __MPEGDEC_H__
+#define __MPEGDEC_H__
+
+void demux_reset(void);
+int demuxPES (unsigned char * buf, unsigned char * end, const char* szFileName, int flags);
+int demuxTS(unsigned char * buffer, unsigned char * end, const char* szFileName, int flags=0 );
+
+#endif
diff --git a/contrib/vdr2jpeg/tools.cpp b/contrib/vdr2jpeg/tools.cpp
new file mode 100644
index 0000000..9e73352
--- /dev/null
+++ b/contrib/vdr2jpeg/tools.cpp
@@ -0,0 +1,41 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright(c) 2007-2008 Andreas Brachold
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ *
+ */
+
+#include <string.h>
+#include "tools.h"
+
+int option(int argc, char *argv[], const char opt, bool bParam,
+    std::string & param, int n)
+{
+    for(int i = n; i < argc; ++i)
+    {
+        if(argv[i] && strlen(argv[i]) > 1)
+        {
+            switch(*(argv[i] + 0))
+            {
+                case '-':
+                {
+                    if(*(argv[i] + 1) == opt)
+                    {
+                        if(!bParam)
+                            return i + 1;
+                        if(i + 1 < argc)
+                        {
+                            param = argv[i + 1];
+                            return i + 2;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return -1;
+}
+
diff --git a/contrib/vdr2jpeg/tools.h b/contrib/vdr2jpeg/tools.h
new file mode 100644
index 0000000..609362e
--- /dev/null
+++ b/contrib/vdr2jpeg/tools.h
@@ -0,0 +1,18 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright(c) 2007-2010 Andreas Brachold
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ *
+ */
+
+#include <string>
+
+int option(int argc, char *argv[], const char opt, bool bParam,
+    std::string & param, int n = 1);
+
+
+
+
diff --git a/contrib/vdr2jpeg/vdr2jpeg.cpp b/contrib/vdr2jpeg/vdr2jpeg.cpp
new file mode 100644
index 0000000..f8f7f48
--- /dev/null
+++ b/contrib/vdr2jpeg/vdr2jpeg.cpp
@@ -0,0 +1,230 @@
+/*
+ * Simple program to grab images from VDR Recording
+ *
+ * Copyright(c) 2005-2010 Andreas Brachold
+ *
+ * This code is distributed under the terms and conditions of the
+ * GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>       
+#include <fcntl.h>
+#include <stdlib.h>
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <vector>
+#include <algorithm>
+#include "tools.h"
+#include "ffm.h"
+#include "gop.h"
+
+static const char *VERSION        = "0.1.9";
+
+void help(int argc, char *argv[])
+{
+    std::cerr << "Usage: " << argv[0] << " (" << VERSION << ")" << std::endl;
+    std::cerr << "            -r recordings    : VDR recording folder" <<    std::endl;
+    std::cerr << "            -f frame         : wanted frame (resolution at PAL - 1/25s)" <<    std::endl;
+    std::cerr << "            -o directory     : output folder" << std::endl;
+    std::cerr << "            -t directory     : temporary folder" << std::endl;
+    std::cerr << "            -x 160           : scaled width of output image"    << std::endl;
+    std::cerr << "            -y 120           : scaled height of output image"    << std::endl;
+    std::cerr << "            -e               : exact frame grab, instead of duplicate frame" << std::endl;
+    std::cerr << "            -s 500           : frame range, started at wanted frame (e.g 500 : 20s)" <<    std::endl;
+    std::cerr << "            -i 25            : space beetween frames at selected range (resolution at PAL - 1/25s)" <<    std::endl;
+    std::cerr << "            -c 5             : number of extracted frames of an recording or within selected range" << std::endl;
+#ifdef DEBUG
+    std::cerr << "            -g gobfile       : reread demuxed gobfile" <<    std::endl;
+#endif
+    std::cerr << std::endl << std::endl;
+}
+
+int main(int argc, char *argv[])
+{
+    int width = -1;
+    int height = -1;
+    bool exact = false;
+    std::string szGOP, szFolder, szOutPath, szTempPath, s;
+
+
+    if(-1 != option(argc, argv, 'x', true, s))
+    {
+        width =((atoi(s.c_str()) >> 1) << 1);    // Only /2
+    }
+    if(-1 != option(argc, argv, 'y', true, s))
+    {
+        height =((atoi(s.c_str()) >> 1) << 1);
+    }
+    if(-1 != option(argc, argv, 'e', false, s))
+    {
+        exact = true;
+    }
+
+    szOutPath = (".");
+    option(argc, argv, 'o', true, szOutPath);
+    szTempPath = szOutPath;
+    option(argc, argv, 't', true, szTempPath);
+
+    std::vector < int >nFrame;
+    int n = 0;
+    std::string f;
+    
+    while(-1 !=(n = option(argc, argv, 'f', true, f, n))) {
+        int frame = atoi(f.c_str());
+        if(frame < 0) {
+            std::cerr << "ignore negative frame" << std::endl << std::endl;
+        } else {
+            nFrame.push_back(frame);
+        }
+    }
+
+    if(!nFrame.empty()) {
+        std::sort(nFrame.begin(), nFrame.end());
+    }
+
+    if(-1 == option(argc, argv, 'r', true, szFolder)) {
+        std::cerr << "missing vdr recording folder" << std::endl << std::endl;
+        help(argc, argv);
+        return 1;
+    }
+
+    static const char* files[] = { "index.vdr", "index" };
+
+    struct stat64 ds;
+    std::string szIndex;
+    int nIndexVersion = -1;
+    for(unsigned int l = 0; l < 2; ++l) {
+      std::stringstream ss;
+      ss << szFolder;
+      if('/' != *szFolder.rbegin())
+          ss << '/';
+      ss << files[l];
+      ss << std::ends;
+      szIndex = ss.str();
+
+      if(!stat64(szIndex.c_str(), &ds)) {
+          nIndexVersion = l;
+          break;
+      }
+    }
+    if(-1 == nIndexVersion) {
+        std::cerr << "Can't find index file at " << szFolder << std::endl;
+        return 1;
+    }
+
+    int nTotalFrames = (ds.st_size / 8);
+    if(nTotalFrames <= 0) {
+        std::cerr << "Empty index file : " << szIndex << std::endl;
+        return 1;
+    }
+
+    if(-1 != option(argc, argv, 's', true, s)) {
+
+        int range = atoi(s.c_str());
+        if(range <= 0) {
+            std::cerr << "none or negative frame range" << std::endl << std::endl;
+            return 1;
+        }
+
+        int inter = 25;
+        if(-1 != option(argc, argv, 'i', true, s)) {
+            inter = atoi(s.c_str());
+            if(inter <= 0) {
+                std::cerr << "none or negative frame space" << std::endl << std::endl;
+                return 1;
+            }
+        }
+
+
+        if(-1 != option(argc, argv, 'c', true, s)) {
+            int count = atoi(s.c_str());
+            if(count <= 0) {
+                std::cerr << "none or negative frame count" << std::endl << std::endl;
+                return 1;
+            }
+            inter = range / count;
+            if(inter<=0)
+            {
+                std::cerr << "count bigger then selected frame range, limit interval to 1" << std::endl << std::endl;
+                inter = 1;
+            }
+        }
+
+        int nLastFrame = 0;
+        if(!nFrame.empty())
+            nLastFrame = *nFrame.rbegin();
+
+        int begin = nLastFrame;
+        int end   = nLastFrame + range;
+
+        if(end > nTotalFrames) {
+            end = nTotalFrames;
+            std::cerr << "wanted end frame from selected range, bigger then available frames. Limit end frame to " << end << std::endl << std::endl;
+        }
+
+        for(int i = begin; i < end; i += inter) {
+            nFrame.push_back(i);
+        }
+    } else {
+        if(-1 != option(argc, argv, 'c', true, s)) {
+            int count = atoi(s.c_str());
+            if(count <= 0) {
+                std::cerr << "none or negative frame count" << std::endl << std::endl;
+                return 1;
+            }
+            int nLastFrame = 0;
+            if(!nFrame.empty())
+                nLastFrame = *nFrame.rbegin();
+
+            int begin = nLastFrame;
+            int inter = (nTotalFrames - nLastFrame) / count;
+            if(inter<=0)
+            {
+                std::cerr << "count bigger then frame selected range, limit interval to 1" << std::endl << std::endl;
+                inter = 1;
+            }
+
+            for(int i = begin + (inter/2); i < nTotalFrames; i += inter) {
+                nFrame.push_back(i);
+            }
+        }
+    }
+
+    if(nFrame.empty()) {
+        std::cerr << "none frame defined, use first frame" << std::endl << std::endl;
+        nFrame.push_back(0);
+    }
+
+#ifdef DEBUG
+    std::cout << "Want Frames : ";
+    std::vector < int >::const_iterator i = nFrame.begin();
+    std::vector < int >::const_iterator e = nFrame.end();
+    for(; i != e; ++i) {
+        std::cout << (*i) << " ";
+    }
+    std::cout << std::endl;
+
+    if(-1 != option(argc, argv, 'g', true, szGOP)) {
+      ffminit x;
+      std::vector < int >::const_iterator i = nFrame.begin();
+      std::vector < int >::const_iterator e = nFrame.end();
+      for(; i != e; ++i)
+            if(!decodegop(szGOP,szOutPath,*i, width, height,exact));
+            return 1;
+        return 0;    // Success
+    }
+#endif //DEBUG
+    std::vector < std::pair<tFrame,tFrame> > nGOP;
+    if(ReadIndexFile(szIndex, nIndexVersion, nFrame, nGOP)) {
+        ffminit x;
+        if(ReadRecordings(szFolder, nIndexVersion, 
+                          szOutPath, szTempPath, 
+                          nGOP, width, height, exact, true)) {
+            return 0;    // Success
+            }
+    }
+    return 1;
+}