X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.0%2Flibzmpeg3%2Flibzmpeg3.C;fp=cinelerra-5.0%2Flibzmpeg3%2Flibzmpeg3.C;h=0000000000000000000000000000000000000000;hb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;hp=409e7b43b97916d736d43faf278c9bbaa043755e;hpb=52fcc46226f9df46f9ce9d0566dc568455a7db0b;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.0/libzmpeg3/libzmpeg3.C b/cinelerra-5.0/libzmpeg3/libzmpeg3.C
deleted file mode 100644
index 409e7b43..00000000
--- a/cinelerra-5.0/libzmpeg3/libzmpeg3.C
+++ /dev/null
@@ -1,1346 +0,0 @@
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-#include "libzmpeg3.h"
-
-static uint8_t def_palette[] = { /* better than nothing */
-  0x00, 0x80, 0x80, 0x00, /* black  #000000 */
-  0xff, 0x80, 0x80, 0x00, /* white  #ffffff */
-  0x4c, 0x54, 0xff, 0x00, /* red    #ff0000 */
-  0x96, 0x2b, 0x15, 0x00, /* green  #00ff00 */
-  0x1d, 0xff, 0x6b, 0x00, /* blue   #0000ff */
-  0xe2, 0x00, 0x94, 0x00, /* yellow #ffff00 */
-  0x69, 0xd4, 0xea, 0x00, /* purple #ff00ff */
-  0xb3, 0xab, 0x00, 0x00, /* cyan   #00ffff */
-  0x80, 0x80, 0x80, 0x00, /* grey   #808080 */
-  0xa6, 0x6a, 0xbf, 0x00, /* pink   #ff8080 */
-  0xcb, 0x55, 0x4a, 0x00, /* lime   #80ff80 */
-  0x8e, 0xbf, 0x75, 0x00, /* lavndr #8080ff */
-  0xd9, 0x95, 0x40, 0x00, /* brt cyan   #80ffff */
-  0xb4, 0xaa, 0xb5, 0x00, /* brt purple #ff80ff */
-  0xf1, 0x40, 0x8a, 0x00, /* brt yellow #ffff80 */
-  0xff, 0x80, 0x80, 0x00, /* white  #ffffff */
-};
-
-int zmpeg3_t::
-init(const char *title_path)
-{
-  cpus = 1;
-  vts_title = 0;
-  total_vts_titles = 1;
-  interleave = angle = 0;
-  total_interleaves = 1;
-  bitfont_t::init_fonts();
-  demuxer = new demuxer_t(this, 0, 0, -1);
-  seekable = 1;  log_errs = getenv("LOG_ERRS") ? 1 : 0;
-  memcpy(&palette[0], &def_palette[0], sizeof(def_palette));
-  char *cp = getenv("PTS_PADDING");
-  pts_padding = cp ? atoi(cp) : 1;
-  index_bytes = 0x300000;
-  cell_time = -1.;
-  recd_fd = -1;
-  iopened = fs->is_open;
-  int ret = !iopened ? fs->open_file() : 0;
-  if( ret == 0 ) {
-    int toc_atracks = INT_MAX;
-    int toc_vtracks = INT_MAX;
-    ret = get_file_type(&toc_atracks, &toc_vtracks, title_path);
-    if( ret == 0 ) {
-      /* Start from scratch */
-      if( !demuxer->total_titles )
-        demuxer->create_title();
-      /* Generate tracks */
-      if( is_transport_stream() || is_program_stream() ) {
-        int i, n;
-        /* Create video tracks */
-        for( i=n=0; i<MAX_STREAMZ && total_vtracks<toc_vtracks; ++i ) {
-          if( demuxer->vstream_table[i] ) {
-            vtrack[total_vtracks] = new_vtrack_t(i, demuxer, n++);
-            if( vtrack[total_vtracks] ) ++total_vtracks;
-          }
-        }
-        /* Create audio tracks */
-        for( i=n=0; i<MAX_STREAMZ && total_atracks<toc_atracks; ++i ) {
-          int format = demuxer->astream_table[i];
-          if( format > 0 ) {
-            atrack[total_atracks] = new_atrack_t(i, format, demuxer, n++);
-            if( atrack[total_atracks] ) ++total_atracks;
-          }
-        }
-        /* Create subtile tracks */
-        for( i=0; i<MAX_STREAMZ; ++i ) {
-          if( demuxer->sstream_table[i] ) {
-            strack[total_stracks] = new strack_t(i);
-            if( strack[total_stracks] ) ++total_stracks;
-          }
-        }
-      }
-      else if( is_video_stream() ) {
-        /* Create video tracks */
-        vtrack[0] = new_vtrack_t(-1, demuxer, 0);
-        if( vtrack[0] ) ++total_vtracks;
-      }
-      else if( is_audio_stream() ) {
-        /* Create audio tracks */
-        atrack[0] = new_atrack_t(-1, afmt_UNKNOWN, demuxer, 0);
-        if( atrack[0] ) ++total_atracks;
-      }
-    }
-    if( (fs->access() & ZIO_SEQUENTIAL) != 0 )
-      set_pts_padding(-1);
-    demuxer->seek_byte(0);
-    restart();
-    if( !iopened )
-      fs->close_file();
-  }
-  allocate_slice_decoders();
-  return ret;
-}
-
-void zmpeg3_t::
-restart()
-{
-  int i;
-
-  for( i=0; i<total_vtracks; ++i ) {
-    vtrack_t *vtrk = vtrack[i];
-    if( vtrk && vtrk->video ) {
-      vtrk->current_position = 0;
-      vtrk->reset_pts();
-      vtrk->frame_cache->clear();
-      vtrk->video->rewind_video(0);
-    }
-  }
-
-  for( i=0; i<total_atracks; ++i ) {
-    atrack_t *atrk = atrack[i];
-    if( atrk && atrk->audio ) {
-      atrk->current_position = 0;
-      atrk->reset_pts();
-      atrk->audio->output_size = 0;
-      atrk->audio->output_position = 0;
-      atrk->audio->rewind_audio();
-    }
-  }
-
-  fs->restart();
-}
-
-zmpeg3_t::
-zmpeg3_t(const char *path)
-#ifdef ZDVB
- : dvb(this)
-#endif
-{
-  fs = new fs_t(this, path);
-  cpus = 1;  log_errs = getenv("LOG_ERRS") ? 1 : 0;
-  demuxer = new demuxer_t(this, 0, 0, -1);
-// for toc generation
-  seekable = 0;
-  memcpy(&palette[0], &def_palette[0], sizeof(def_palette));
-  char *cp = getenv("PTS_PADDING");
-  pts_padding = cp ? atoi(cp) : 1;
-  index_bytes = 0x300000;
-  cell_time = -1.;
-  recd_fd = -1;
-}
-
-zmpeg3_t::
-zmpeg3_t(const char *path, int &ret, int atype, const char *title_path)
-#ifdef ZDVB
- : dvb(this)
-#endif
-{
-  fs = new fs_t(this, path, atype);
-  ret = init(title_path);
-}
-
-zmpeg3_t::
-zmpeg3_t(int fd, int &ret, int atype)
-#ifdef ZDVB
- : dvb(this)
-#endif
-{
-  fs = new fs_t(this, fd, atype);
-  ret = init();
-}
-
-zmpeg3_t::
-zmpeg3_t(FILE *fp, int &ret, int atype)
-#ifdef ZDVB
- : dvb(this)
-#endif
-{
-  fs = new fs_t(this, fp, atype);
-  ret = init();
-}
-
-zmpeg3_t::
-~zmpeg3_t()
-{
-  int i;
-  int debug = 0;
-
-  if( debug ) zmsg("0\n");
-  stop_record();
-  delete_slice_decoders();
-
-  if( debug ) zmsg("1\n");
-  for( i=0; i<total_stracks; ++i )
-    delete strack[i];
-  
-  if( debug ) zmsg("2\n");
-  for( i=0; i<total_atracks; ++i )
-    delete atrack[i];
-
-  if( debug ) zmsg("3\n");
-  for( i=0; i<total_vtracks; ++i )
-    delete vtrack[i];
-
-  if( debug ) zmsg("4\n");
-  delete demuxer;
-  delete fs;
-  if( playinfo ) delete playinfo;
-
-  if( debug ) zmsg("5\n");
-  if( frame_offsets ) {
-    for( i=0; i<total_vtracks; ++i ) {
-      delete [] frame_offsets[i];
-      delete [] keyframe_numbers[i];
-    }
-
-    if( debug ) zmsg("6\n");
-    delete [] frame_offsets;
-    delete [] keyframe_numbers;
-    delete [] total_frame_offsets;
-    delete [] total_keyframe_numbers;
-    delete [] video_eof;
-  }
-
-  if( debug ) zmsg("7\n");
-  if( sample_offsets ) {
-    for( i=0; i<total_atracks; ++i )
-      delete [] sample_offsets[i];
-
-    delete [] sample_offsets;
-    delete [] total_sample_offsets;
-  }
-
-  if( debug ) zmsg("8\n");
-  delete [] channel_counts;
-  delete [] nudging;
-  delete [] total_samples;
-  delete [] audio_eof;
-
-  if( debug ) zmsg("9\n");
-  if( indexes ) {
-    for( i=0; i<total_indexes; ++i )
-      delete indexes[i];
-
-    if( debug ) zmsg("10\n");
-    delete [] indexes;
-  }
-  bitfont_t::destroy_fonts();
-}
-
-
-zmpeg3_t:: index_t::
-index_t()
-{
-  index_zoom = 1;
-}
-
-zmpeg3_t:: index_t::
-~index_t()
-{
-  for( int i=0;i<index_channels; ++i )
-    delete [] index_data[i];
-  delete [] index_data;
-}
-
-// Return number of tracks in the table of contents
-int zmpeg3_t::
-index_tracks()
-{
-  return total_indexes;
-}
-
-// Return number of channels in track
-int zmpeg3_t::
-index_channels(int track)
-{
-  if( track<0 || track>=total_indexes ) return 0;
-  return indexes[track]->index_channels;
-}
-
-// Return zoom factor of index
-int zmpeg3_t::
-index_zoom()
-{
-  return !total_indexes ? 0 : indexes[0]->index_zoom;
-}
-
-// Number of high/low pairs in a channel of the track
-int zmpeg3_t::
-index_size(int track)
-{
-  if( track<0 || track>=total_indexes ) return 0;
-  int size = indexes[track]->index_size;
-  if( track < total_atracks && atrack[track]->nudge > 0 )
-    size -= atrack[track]->nudge / indexes[0]->index_zoom;
-  return size;
-}
-
-// Get data for one index channel
-float* zmpeg3_t::
-index_data(int track, int channel)
-{
-  if( track<0 || track>=total_indexes ) return 0;
-  float *data = indexes[track]->index_data[channel];
-  if( track < total_atracks && atrack[track]->nudge > 0 )
-    data += (atrack[track]->nudge / indexes[0]->index_zoom) * 2;
-  return data;
-}
-
-zstrack_t* zmpeg3_t::
-get_strack_id(int id, video_t *vid) 
-{
-  for( int i=0; i<total_stracks; ++i ) {
-    strack_t *strk = strack[i];
-    if( strk->video && strk->video != vid ) continue;
-    if( strk->id == id ) return strack[i];
-  }
-  return 0;
-}
-
-zstrack_t* zmpeg3_t::
-get_strack(int number) 
-{
-  if( number >= total_stracks || number < 0 ) return 0;
-  return strack[number];
-}
-
-zstrack_t* zmpeg3_t::
-create_strack(int id, zvideo_t *vid)
-{
-  int i, j;
-  strack_t *strk = 0;
-
-  if( !(strk=get_strack_id(id, vid)) ) {
-    strk = new strack_t(id, vid);
-    for( i=0; i<total_stracks; ++i ) { 
-      /* Search for first ID > current id */
-      if( strack[i]->id > id ) {
-        /* Shift back 1 */
-        for( j=total_stracks; --j>=i; )
-          strack[j+1] = strack[j];
-        break;
-      }
-    }
-
-/* Store in table */
-    strack[i] = strk;
-    ++total_stracks;
-  }
-
-  return strk;
-}
-
-int zmpeg3_t::
-show_subtitle(int stream, int strk)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video )
-      result = vtrk->video->show_subtitle(strk);
-  }
-  return result;
-}
-
-static inline int is_toc_(uint32_t bits)
-{
-  return (bits == zmpeg3_t::TOC_PREFIX);
-}
-
-
-static inline int is_ifo_(uint32_t bits)
-{
-  return (bits == zmpeg3_t::IFO_PREFIX);
-}
-
-static inline int is_transport_(uint32_t bits)
-{
-  return (((bits >> 24) & 0xff) == zmpeg3_t::SYNC_BYTE);
-}
-
-static inline int is_bd_(uint32_t bits1, uint32_t bits2, char *ext)
-{
-  return (((bits2 >> 24) & 0xff) == zmpeg3_t::SYNC_BYTE) && 
-    ( !ext || (ext && 
-      (!strncasecmp(ext, ".m2ts", 5) || 
-       !strncasecmp(ext, ".mts", 4))) );
-}
-
-static inline int is_program_(uint32_t bits)
-{
-  return (bits == zmpeg3_t::PACK_START_CODE);
-}
-
-static inline int is_mpeg_audio_(uint32_t bits)
-{
-  return (bits & 0xfff00000) == 0xfff00000 ||
-         (bits & 0xffff0000) == 0xffe30000 ||
-         ((bits >> 8) == zmpeg3_t::ID3_PREFIX) ||
-         (bits == zmpeg3_t::RIFF_CODE);
-}
-
-static inline int is_mpeg_video_(uint32_t bits)
-{
-  return (bits == zmpeg3_t::SEQUENCE_START_CODE ||
-          bits == zmpeg3_t::PICTURE_START_CODE);
-}
-
-static inline int is_ac3_(uint32_t bits)
-{
-  return (((bits & 0xffff0000) >> 16) == zmpeg3_t::AC3_START_CODE);
-}
-
-int zmpeg3_t::
-check_sig(char *path)
-{
-  int result = 0;
-  fs_t *fs = new fs_t(0, path);
-
-  if( !fs->open_file() ) { /* File found */
-    char *ext = strrchr(path, '.');
-    uint32_t bits = fs->read_uint32();
-    uint32_t bits2 = fs->read_uint32();
- 
-    /* pre-approved suffixes */
-    if( ext && !strncasecmp(ext, ".mp3", 4) ) {
-      result = 1;
-    }
-    /* Test header */
-    else if( bits == TOC_PREFIX ) {
-      result = 1;
-    }
-    /* Blu-Ray or AVC-HD*/
-    else if( is_bd_(bits, bits2, ext) ) {
-      result = 1;
-    }
-    else if( (((bits >> 24) & 0xff) == zmpeg3_t::SYNC_BYTE ) ||
-             (bits == zmpeg3_t::PACK_START_CODE) ||
-             ((bits & 0xfff00000) == 0xfff00000) ||
-             ((bits & 0xffff0000) == 0xffe30000) ||
-             (bits == zmpeg3_t::SEQUENCE_START_CODE) ||
-             (bits == zmpeg3_t::PICTURE_START_CODE) ||
-             (((bits & 0xffff0000) >> 16) == zmpeg3_t::AC3_START_CODE) ||
-             ((bits >> 8) == zmpeg3_t::ID3_PREFIX) || 
-             (bits == zmpeg3_t::RIFF_CODE) ||
-             (bits == zmpeg3_t::IFO_PREFIX)) {
-      result = 1;
-  
-      /* Test file extension. */
-      if( ext ) {  ++ext;
-        if( strcasecmp(ext, "ifo") && 
-            strcasecmp(ext, "mp2") && 
-            strcasecmp(ext, "mp3") &&
-            strcasecmp(ext, "m1v") &&
-            strcasecmp(ext, "m2v") &&
-            strcasecmp(ext, "m2s") &&
-            strcasecmp(ext, "mpg") &&
-            strcasecmp(ext, "vob") &&
-            strcasecmp(ext, "ts") &&
-            strcasecmp(ext, "vts") &&
-            strcasecmp(ext, "mpeg") &&
-            strcasecmp(ext, "m2t") &&
-            strcasecmp(ext, "ac3") )
-          result = 0;
-      }
-    }
-    fs->close_file();
-  }
-
-  delete fs;
-  return result;
-}
-
-int zmpeg3_t::
-calculate_packet_size()
-{
-  if( is_transport_stream() )
-    return is_bd() ?  BD_PACKET_SIZE : TS_PACKET_SIZE;
-  if( is_program_stream() )
-    return 0;
-  if( is_audio_stream() || is_video_stream() )
-    return DVD_PACKET_SIZE;
-  zerr("undefined stream type.\n");
-  return -1;
-}
-
-int zmpeg3_t::
-get_file_type(int *toc_atracks, int *toc_vtracks, const char *title_path)
-{
-  int result = 0;
-  file_type = 0;
-  uint32_t bits = fs->read_uint32();
-  uint32_t bits2 = fs->read_uint32();
-
-  /* TOC  */
-  if( is_toc_(bits) ) {
-    /* Table of contents for another title set */
-    result = toc_atracks && toc_vtracks ?
-      read_toc(toc_atracks, toc_vtracks, title_path) : 1;
-    if( result ) fs->close_file();
-  }
-  else if( is_ifo_(bits) ) {
-  /* IFO file */
-    if( !read_ifo() )
-      file_type = FT_PROGRAM_STREAM | FT_IFO_FILE;
-    fs->close_file();
-  }
-  else if( is_bd_(bits,bits2,0) ) {
-    file_type = FT_TRANSPORT_STREAM | FT_BD_FILE;
-  }
-  /* Transport stream */
-  else if( is_transport_(bits) ) {
-    file_type = FT_TRANSPORT_STREAM;
-  }
-  /* Program stream */
-  /* Determine packet size empirically */
-  else if( is_program_(bits) ) {
-    file_type = FT_PROGRAM_STREAM;
-  }
-  /* MPEG Audio only */
-  else if( is_mpeg_audio_(bits) ) {
-    file_type = FT_AUDIO_STREAM;
-  }
-  /* Video only */
-  else if( is_mpeg_video_(bits) ) {
-    file_type = FT_VIDEO_STREAM;
-  }
-  /* AC3 Audio only */
-  else if( is_ac3_(bits) ) {
-    file_type = FT_AUDIO_STREAM;
-  }
-  else {
-    const char *ext = strrchr(fs->path, '.');
-    if( ext ) {
-      if( !strncasecmp(ext, ".mp3", 4) ) {
-        file_type = FT_AUDIO_STREAM;
-      }
-    }
-  }
-//zmsgs("2 %x\n", file_type);
-  if( !file_type ) {
-    zerr("not a readable stream.\n");
-    if( !result ) result = ERR_UNDEFINED_ERROR;
-  }
-  else
-    packet_size = calculate_packet_size();
-  return result;
-}
-
-int zmpeg3_t::
-set_pts_padding(int v)
-{
-  int ret = pts_padding;
-  pts_padding = v;
-  if( pts_padding >= 0 ) {
-    for( int vtk=0; vtk<total_vtracks; ++vtk )
-      vtrack[vtk]->pts_starttime = -1.;
-    for( int atk=0; atk<total_atracks; ++atk )
-      atrack[atk]->pts_starttime = -1.;
-  }
-  else {
-    for( int vtk=0; vtk<total_vtracks; ++vtk )
-      vtrack[vtk]->pts_starttime = vtrack[vtk]->pts_offset = 0.;
-    for( int atk=0; atk<total_atracks; ++atk )
-      atrack[atk]->pts_starttime = atrack[atk]->pts_offset = 0.;
-  }
-  return ret;
-}
-
-int zmpeg3_t::
-set_cpus(int cpus)
-{
-  this->cpus = cpus;
-  int i;
-  for( i=0; i<total_vtracks; ++i )
-    vtrack[i]->video->set_cpus(cpus);
-  return 0;
-}
-
-int zmpeg3_t::
-has_audio()
-{
-  return total_atracks > 0;
-}
-
-int zmpeg3_t::
-total_astreams()
-{
-  return total_atracks;
-}
-
-int zmpeg3_t::
-audio_channels(int stream)
-{
-  return stream>=0 && stream<total_atracks ?
-    atrack[stream]->channels : -1;
-}
-
-double zmpeg3_t::
-sample_rate(int stream)
-{
-  return stream>=0 && stream<total_atracks ?
-    (double)atrack[stream]->sample_rate : -1.;
-}
-
-long zmpeg3_t::
-get_sample(int stream)
-{
-  return stream>=0 && stream<total_atracks ?
-    atrack[stream]->current_position : -1;
-}
-
-int zmpeg3_t::
-set_sample(long sample, int stream)
-{
-  int result = 1;
-  if( stream>=0 && stream<total_atracks ) {
-    atrack_t *atrk = atrack[stream];
-    if( atrk && atrk->audio ) {
-//zmsgs("1 %d %ld\n", atrk->current_position, sample);
-      if( atrk->current_position != sample ) {
-        atrk->current_position = sample;
-        atrk->audio->seek_sample(sample);
-      }
-      result = 0;
-    }
-  }
-  return result;
-}
-
-long zmpeg3_t::
-audio_nudge(int stream)
-{
-  long result = 0;
-  if( stream>=0 && stream<total_atracks ) {
-    atrack_t *atrk = atrack[stream];
-    if( atrk ) result = atrk->nudge;
-  }
-  return result;
-}
-
-long zmpeg3_t::
-audio_samples(int stream)
-{
-  long result = -1;
-  if( stream>=0 && stream<total_atracks ) {
-    atrack_t *atrk = atrack[stream];
-    if( atrk ) result = atrk->total_samples;
-  }
-  return result;
-}
-
-const char* zmpeg3_t::
-audio_format(int stream)
-{
-  const char *result = 0;
-  if( stream>=0 && stream<total_atracks ) {
-    switch( atrack[stream]->format ) {
-    case afmt_IGNORE:  result = "Ignore";  break;
-    case afmt_UNKNOWN: result = "Unknown"; break;
-    case afmt_MPEG:    result = "MPEG";    break;
-    case afmt_AC3:     result = "AC3";     break;
-    case afmt_PCM:     result = "PCM";     break;
-    case afmt_AAC:     result = "AAC";     break;
-    case afmt_JESUS:   result = "Vorbis";  break;
-    default:           result = "Undef";   break;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-has_video()
-{
-  return total_vtracks > 0;
-}
-
-int zmpeg3_t::
-total_vstreams()
-{
-  return total_vtracks;
-}
-
-int zmpeg3_t::
-video_width(int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk ) result = vtrk->width;
-  }
-  return result;
-}
-
-int zmpeg3_t::
-video_height(int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk ) result = vtrk->height;
-  }
-  return result;
-}
-
-int zmpeg3_t::
-coded_width(int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk )
-      result = vtrk->video->coded_picture_width;
-  }
-  return result;
-}
-
-int zmpeg3_t::
-coded_height(int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk )
-      result = vtrk->video->coded_picture_height;
-  }
-  return result;
-}
-
-int zmpeg3_t::
-video_pid(int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk ) result = vtrk->pid;
-  }
-  return result;
-}
-
-float zmpeg3_t::
-aspect_ratio(int stream)
-{
-  float result = 0.0;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk ) result = vtrk->aspect_ratio;
-  }
-  return result;
-}
-
-double zmpeg3_t::
-frame_rate(int stream)
-{
-  double result = -1.0;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk ) result = vtrk->frame_rate;
-  }
-  return result;
-}
-
-long zmpeg3_t::
-video_frames(int stream)
-{
-  long result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk ) result = vtrk->total_frames;
-  }
-  return result;
-}
-
-long zmpeg3_t::
-get_frame(int stream)
-{
-  long result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk ) result = vtrk->current_position;
-  }
-  return result;
-}
-
-int zmpeg3_t::
-set_frame(long frame, int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      if( vtrk->current_position != frame ) {
-        vtrk->current_position = frame;
-        vtrk->video->seek_frame(frame);
-      }
-      result = 0;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-seek_byte(int64_t byte)
-{
-  int i;
-
-  for( i=0; i<total_vtracks; ++i ) {
-    vtrack_t *vtrk = vtrack[i];
-    if( vtrk && vtrk->video ) {
-      vtrk->current_position = 0;
-      if( byte )
-        vtrk->video->seek_byte(byte);
-      else
-        vtrk->video->rewind_video();
-    }
-  }
-
-  for( i=0; i<total_atracks; ++i ) {
-    atrack_t *atrk = atrack[i];
-    if( atrk && atrk->audio ) {
-      atrk->current_position = 0;
-      atrk->audio->seek_byte(byte);
-    }
-  }
-
-  return 0;
-}
-
-int zmpeg3_t::
-previous_frame(int stream)
-{
-  int result = 1;
-
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      last_type_read = 2;
-      last_stream_read = stream;
-      result = vtrk->video->previous_frame();
-    }
-  }
-  return result;
-}
-
-int64_t zmpeg3_t::
-tell_byte()
-{
-  int64_t result = -1;
-  if( last_type_read == 1 )
-    result = atrack[last_stream_read]->demuxer->tell_byte();
-  else if( last_type_read == 2 )
-    result =vtrack[last_stream_read]->demuxer->tell_byte();
-  return result;
-}
-
-int64_t zmpeg3_t::
-get_bytes()
-{
-  return demuxer->movie_size();
-}
-
-double zmpeg3_t::
-get_audio_time(int stream)
-{
-  double atime = -1.0;
-  if( stream >= 0 && stream < total_atracks ) {
-    double samplerate = sample_rate(stream);
-    if( samplerate > 0. ) {
-      int64_t sample = get_sample(stream);
-      if( !pts_padding || is_audio_stream() || is_video_stream() ) {
-        atime = sample / samplerate;
-      }
-      else {
-        atime = atrack[stream]->audio_time +
-          (sample - atrack[stream]->pts_position) / samplerate;
-      }
-    }
-  }
-  return atime;
-}
-
-double zmpeg3_t::
-get_video_time(int stream)
-{
-  double vtime = -1.0;
-  if( stream >= 0 && stream < total_vtracks ) {
-    double framerate = frame_rate(stream);
-    if( !pts_padding || is_audio_stream() || is_video_stream() ) {
-      if( framerate > 0. )
-        vtime = (double)get_frame(stream) / framerate;
-    }
-    else {
-      vtime = vtrack[stream]->video_time;
-      if( vtime >= 0. && framerate > 0. )
-        vtime += (get_frame(stream) - vtrack[stream]->pts_position) / framerate;
-    }
-  }
-  return vtime;
-}
-
-/* pts timecode available only in transport stream */
-double zmpeg3_t::
-get_time()
-{
-  double time = 0;
-  if( last_type_read == 1 )
-    time = get_audio_time(last_stream_read);
-  else if( last_type_read == 2 )
-    time = get_video_time(last_stream_read);
-  return time;
-}
-
-int zmpeg3_t::
-get_total_vts_titles()
-{
-  return total_vts_titles;
-}
-
-int zmpeg3_t::
-set_vts_title(int title)
-{
-  int result = vts_title;
-  if( title >= 0 )
-    vts_title = title;
-  return result;
-}
-
-int zmpeg3_t::
-get_total_interleaves()
-{
-  return total_interleaves;
-}
-
-int zmpeg3_t::
-set_interleave(int inlv)
-{
-  int result = interleave;
-  if( inlv >= 0 )
-    interleave = inlv;
-  return result;
-}
-
-int zmpeg3_t::
-set_angle(int a)
-{
-  int result = angle;
-  if( a >= 0 )
-    angle = a;
-  return result;
-}
-
-int zmpeg3_t::
-set_program(int no)
-{
-  int result = set_vts_title()*100 + set_angle()*10 + set_interleave();
-  if( no >= 0 ) {
-    set_vts_title(no / 100);
-    set_angle((no/10) % 10);
-    set_interleave(no % 10);
-  }
-  return result;
-}
-
-int zmpeg3_t::
-get_cell_time(int no, double &time)
-{
-  int result = 1, i = 0;
-  zcell_t *cell = 0;
-  while( no >= 0 ) {
-    result = demuxer->get_cell(i, cell);
-    if( result < 0 ) return result;
-    if( result > 0 ) i = cell->cell_no;
-    ++i;  --no;
-  }
-  time = cell->cell_time;
-  return 0;
-}
-
-int zmpeg3_t::
-end_of_audio(int stream)
-{
-  int result = 1;
-  if( stream>=0 && stream<total_atracks ) {
-    atrack_t *atrk = atrack[stream];
-    if( atrk && atrk->demuxer )
-      result = atrk->demuxer->eof();
-  }
-  return result;
-}
-
-int zmpeg3_t::
-end_of_video(int stream)
-{
-  int result = 1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->demuxer )
-      result = vtrk->demuxer->eof();
-  }
-  return result;
-}
-
-int zmpeg3_t::
-drop_frames(long frames, int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      result = vtrk->video->drop_frames(frames, 0);
-      if( frames > 0 )
-        vtrk->current_position += frames;
-      last_type_read = 2;
-      last_stream_read = stream;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-colormodel(int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video )
-      result = vtrk->video->colormodel();
-  }
-  return result;
-}
-
-int zmpeg3_t::
-set_rowspan(int bytes, int stream)
-{
-  int result = 1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      vtrk->video->row_span = bytes;
-      result = 0;
-    }
-  }
-  return result;
-}
-
-
-int zmpeg3_t::
-read_frame(uint8_t **output_rows, 
-    int in_x, int in_y, int in_w, int in_h, 
-    int out_w, int out_h, int color_model, int stream)
-{
-  int result = -1;
-//zmsgs("1 %d\n", vtrack[stream]->current_position);
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      result = vtrk->video->read_frame(output_rows,
-          in_x, in_y, in_w, in_h, out_w, out_h, color_model);
-//zmsg(" 2\n");
-      last_type_read = 2;
-      last_stream_read = stream;
-      vtrk->current_position++;
-    }
-  }
-//zmsgs("2 %d\n", vtrack[stream]->current_position);
-  return result;
-}
-
-int zmpeg3_t::
-read_yuvframe(char *y_output, char *u_output, char *v_output,
-    int in_x, int in_y, int in_w, int in_h, int stream)
-{
-  int result = -1;
-//zmsg("1\n");
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      result = vtrk->video->read_yuvframe(y_output, u_output, v_output,
-          in_x, in_y, in_w, in_h);
-      last_type_read = 2;
-      last_stream_read = stream;
-      vtrk->current_position++;
-    }
-  }
-//zmsg("100\n");
-  return result;
-}
-
-int zmpeg3_t::
-read_yuvframe_ptr(char **y_output, char **u_output, char **v_output,
-    int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      result = vtrk->video->read_yuvframe_ptr(y_output, u_output, v_output);
-      last_type_read = 2;
-      last_stream_read = stream;
-      vtrk->current_position++;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-read_audio(void *output, int type, int channel, long samples, int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_atracks ) {
-    atrack_t *atrk = atrack[stream];
-    if( atrk && atrk->audio ) {
-      atrk->audio->update_audio_history();
-      result = atrk->audio->decode_audio(output, type, channel, samples);
-      last_type_read = 1;
-      last_stream_read = stream;
-      atrk->current_position += samples;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-read_audio(double *output_d, int channel, long samples, int stream)
-{
-  return read_audio((void *)output_d, atyp_DOUBLE, channel, samples, stream);
-}
-
-int zmpeg3_t::
-read_audio(float *output_f, int channel, long samples, int stream)
-{
-  return read_audio((void *)output_f, atyp_FLOAT, channel, samples, stream);
-}
-
-int zmpeg3_t::
-read_audio(int *output_i, int channel, long samples, int stream)
-{
-  return read_audio((void *)output_i, atyp_INT, channel, samples, stream);
-}
-
-int zmpeg3_t::
-read_audio(short *output_s, int channel, long samples, int stream)
-{
-  return read_audio((void *)output_s, atyp_SHORT, channel, samples, stream);
-}
-
-int zmpeg3_t::
-reread_audio(void *output, int atyp, int channel, long samples, int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_atracks ) {
-    atrack_t *atrk = atrack[stream];
-    if( atrk && atrk->audio ) {
-      set_sample( atrk->current_position-samples, stream);
-      result = atrk->audio->decode_audio(output, atyp, channel, samples);
-      last_type_read = 1;
-      last_stream_read = stream;
-      atrk->current_position += samples;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-reread_audio(double *output_d, int channel, long samples, int stream)
-{
-  return reread_audio((void *)output_d, atyp_DOUBLE, channel, samples, stream);
-}
-
-int zmpeg3_t::
-reread_audio(float *output_f, int channel, long samples, int stream)
-{
-  return reread_audio((void *)output_f, atyp_FLOAT, channel, samples, stream);
-}
-
-int zmpeg3_t::
-reread_audio(int *output_i, int channel, long samples, int stream)
-{
-  return reread_audio((void *)output_i, atyp_INT, channel, samples, stream);
-}
-
-int zmpeg3_t::
-reread_audio(short *output_s, int channel, long samples, int stream)
-{
-  return reread_audio((void *)output_s, atyp_SHORT, channel, samples, stream);
-}
-
-
-int zmpeg3_t::
-read_audio_chunk(uint8_t *output, long *size, long max_size, int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_atracks ) {
-    atrack_t *atrk = atrack[stream];
-    if( atrk && atrk->audio ) {
-      result = atrk->audio->read_raw(output, size, max_size);
-      last_type_read = 1;
-      last_stream_read = stream;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-read_video_chunk( uint8_t *output, long *size, long max_size, int stream)
-{
-  int result = -1;
-  if( stream>=0 && stream<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[stream];
-    if( vtrk && vtrk->video ) {
-      result = vtrk->video->read_raw(output, size, max_size);
-      last_type_read = 2;
-      last_stream_read = stream;
-    }
-  }
-  return result;
-}
-
-int64_t zmpeg3_t::
-memory_usage()
-{
-  int64_t result = 0;
-  for( int i=0; i<total_vtracks; ++i )
-    if( vtrack[i]->frame_cache )
-      result += vtrack[i]->frame_cache->memory_usage();
-  return result;
-}
-
-int zmpeg3_t::
-start_record(int fd, int bsz)
-{
-  if( recd_fd >= 0 ) return 1;
-  struct stat64 st;
-  memset(&st, 0, sizeof(st));
-  if( fstat64(fd, &st) < 0 ) return 1;
-  recd_fd = fd;
-  recd_pos = st.st_size;
-  if (fs->start_record(bsz)) return recd_fd = -1;
-  return 0;
-}
-int zmpeg3_t::
-stop_record()
-{
-  if( fs->stop_record() ) return 1;
-  recd_fd = -1;
-  return 0;
-}
-
-void zmpeg3_t::
-write_record(uint8_t *data, int len)
-{
-  if( recd_fd < 0 ) return;
-  if( write(recd_fd, data, len) < 0 ) {
-    zmsgs("write err: %s\n",strerror(errno));
-    return;
-  }
-  recd_pos += len;
-}
-
-int zmpeg3_t::
-pause_reader(int v)
-{
-  return fs->pause_reader(v);
-}
-
-int zmpeg3_t::
-get_thumbnail(int trk, int64_t &frn, uint8_t *&t, int &w, int &h)
-{
-  int result = -1;
-  if( trk>=0 && trk<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[trk];
-    if( vtrk ) {
-      video_t *vid = vtrk->video;
-      frn = vid->framenum;
-      t = vid->tdat;
-      w = 2*vid->mb_width;
-      h = 2*vid->mb_height;
-      result = 0;
-    }
-  }
-  return result;
-}
-
-int zmpeg3_t::
-set_thumbnail_callback(int trk, int skim, int thumb,
-        zthumbnail_cb fn, void *p)
-{
-  int result = 1;
-  // all tracks, toc build
-  if( trk == -1 )
-    result = 0;
-  // one track, commercials verify
-  else if( trk >= 0 && trk<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[trk];
-    if( vtrk ) {
-      video_t *vid = vtrk->video;
-      if( !(result=vid->seek_video()) ) {
-        vid->skim = skim;
-        vid->thumb = thumb;
-        vid->ithumb = 0;
-        result = 0;
-      }
-    }
-  }
-  if( !result ) {
-    thumbnail_priv = p;
-    thumbnail_fn = fn;
-  }
-  return result;
-}
-
-int zmpeg3_t::
-set_cc_text_callback(int trk, zcc_text_cb fn)
-{
-  int result = -1;
-  if( trk>=0 && trk<total_vtracks ) {
-    vtrack_t *vtrk = vtrack[trk];
-    if( vtrk ) {
-      video_t *vid = vtrk->video;
-      vid->get_cc()->text_cb = fn;
-      result = 0;
-    }
-  }
-  return result;
-}
-
-int64_t zmpeg3_t::
-calculate_source_date(char *path)
-{
-  struct stat64 ostat;
-  memset(&ostat,0,sizeof(struct stat64));
-  return stat64(path, &ostat) < 0 ? 0 : ostat.st_mtime;
-}
-
-int64_t zmpeg3_t::
-calculate_source_date(int fd)
-{
-  struct stat64 ostat;
-  memset(&ostat,0,sizeof(struct stat64));
-  return fstat64(fd, &ostat) < 0 ? 0 : ostat.st_mtime;
-}
-
-void zdebug(int n)
-{
-  zmsgs("%d\n",n);
-}
-
-