Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.0 / libzmpeg3 / vtrack.C

diff --git a/cinelerra-5.0/libzmpeg3/vtrack.C b/cinelerra-5.0/libzmpeg3/vtrack.C
deleted file mode 100644 (file)
index 67369bf..0000000
--- a/cinelerra-5.0/libzmpeg3/vtrack.C
+++ /dev/null
@@ -1,179 +0,0 @@
-#include "libzmpeg3.h"
-
-zvtrack_t::
-vtrack_t(zmpeg3_t *zsrc, int custom_id, demuxer_t *demux, int no)
-{
-  demuxer = new demuxer_t(zsrc, 0, this, custom_id);
-  frame_cache = new cache_t();
-  if( zsrc->seekable ) {
-    demux->copy_titles(demuxer);
-  }
-
-  current_position = 0;
-  number = no;
-  pid = custom_id;
-  pts_origin = -1.;
-  reset_pts();
-
-// Copy pointers
-  if( zsrc->frame_offsets ) {
-    frame_offsets = zsrc->frame_offsets[number];
-    total_frame_offsets = zsrc->total_frame_offsets[number];
-    keyframe_numbers = zsrc->keyframe_numbers[number];
-    total_keyframe_numbers = zsrc->total_keyframe_numbers[number];
-    demuxer->stream_end = zsrc->video_eof[number];
-  }
-}
-
-zvtrack_t *zmpeg3_t::
-new_vtrack_t(int custom_id, demuxer_t *demux, int number)
-{
-  vtrack_t *new_vtrack = new vtrack_t(this,custom_id,demux,number);
-
-/* Get information about the track here. */
-  new_vtrack->video = new_video_t(new_vtrack);
-
-  if( !new_vtrack->video ) { /* Failed */
-    delete new_vtrack;
-    new_vtrack = 0;
-  }
-
-  return new_vtrack;
-}
-
-zvtrack_t::
-~vtrack_t()
-{
-  if( video ) delete video;
-  if( demuxer ) delete demuxer;
-  if( private_offsets ) {
-    if( frame_offsets_allocated ) delete [] frame_offsets;
-    if( keyframe_numbers_allocated ) delete [] keyframe_numbers;
-  }
-  delete frame_cache;
-}
-
-void zvtrack_t::
-extend_frame_offsets()
-{
-  if( frame_offsets_allocated <= total_frame_offsets ) {
-    long new_allocation = ZMAX(2*total_frame_offsets, 1024);
-    int64_t *new_offsets = new int64_t[new_allocation];
-    for( int i=0; i<total_frame_offsets; ++i )
-      new_offsets[i] = frame_offsets[i];
-    delete [] frame_offsets;
-    frame_offsets = new_offsets;
-    frame_offsets_allocated = new_allocation;
-  }
-}
-
-void zvtrack_t::
-extend_keyframe_numbers()
-{
-  if( keyframe_numbers_allocated <= total_keyframe_numbers ) {
-    long new_allocation = ZMAX(2*total_keyframe_numbers, 1024);
-    int *new_numbers = new int[new_allocation];
-    for( int i=0; i<total_keyframe_numbers; ++i )
-      new_numbers[i] = keyframe_numbers[i];
-    delete [] keyframe_numbers;
-    keyframe_numbers = new_numbers;
-    keyframe_numbers_allocated = new_allocation;
-  }
-}
-
-void zvtrack_t::
-append_frame(int64_t offset, int is_keyframe)
-{
-  extend_frame_offsets();
-  frame_offsets[total_frame_offsets] = offset;
-
-  if( is_keyframe || total_frame_offsets == 0 ) {
-    extend_keyframe_numbers();
-    keyframe_numbers[total_keyframe_numbers++] = total_frame_offsets;
-  }
-
-  ++total_frame_offsets;
-  private_offsets = 1;
-}
-
-int zvtrack_t::
-find_keyframe_index(int64_t frame)
-{
-  /* l,r boundarys are exclusive (not included) */
-  int l = -1;
-  int r = total_keyframe_numbers;
-  while( (r-l) > 1 ) {
-    int m = (r+l) >> 1;
-    int mframe = keyframe_numbers[m];
-    if( frame == mframe ) return m;
-    if( frame > mframe ) l = m;
-    else r = m;
-  }
-  return l;
-}
-
-void zvtrack_t::update_video_time()
-{
-  double pts = frame_pts;
-  if( video->is_refframe() ) {
-    pts = refframe_pts;
-    refframe_pts = frame_pts;
-  }
-  frame_pts = -1.;
-  if( pts < 0 ) return;
-  if( pts_starttime < 0 && frame_rate > 0 ) {
-    pts_starttime = pts;
-    pts_offset = (double)video->framenum / frame_rate;
-    if( pts_origin < 0. ) pts_origin = pts_starttime - pts_offset;
-  }
-  else if( pts < pts_starttime ) { // check for pts rollover
-    if( pts_starttime-pts > 0x100000000ll / 90000 )
-      pts += 0x200000000ll / 90000;
-  }
-  /* update track time */
-  double vtime = pts_video_time(pts);
-  if( vtime > video_time ) {
-    video_time = vtime;
-    pts_position = video->framenum;
-//zmsgs("track %02x video_time=%f\n",track->pid, vtime);
-  }
-}
-
-double zvtrack_t::get_video_time()
-{
-  double vtime = video_time; 
-  if( vtime >= 0 && frame_rate > 0 ) {
-    vtime += (video->framenum - pts_position) / frame_rate;
-  }
-  return vtime;
-}
-
-void zvtrack_t::
-reset_pts()
-{
-  vskip = 0;
-  demuxer->pes_video_time = -1.;
-  pts_starttime = demuxer->src->pts_padding >= 0 ? -1. : 0.;
-  video_time = -1.;
-  refframe_pts = -1.;
-  frame_pts = -1.;
-  pts_position = 0;
-  pts_offset = 0;
-}
-
-int zvtrack_t::apparent_position()
-{
-  if( !frame_offsets ) return 0;
-  int64_t pos = demuxer->absolute_position();
-  int l = -1;
-  int r = total_frame_offsets;
-  while( (r-l) > 1 ) {
-    int m = (r+l) >> 1;
-    int64_t mpos = frame_offsets[m];
-    if( pos == mpos ) return m;
-    if( pos > mpos ) l = m;
-    else r = m;
-  }   
-  return l;
-}
-