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

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

diff --git a/cinelerra-5.0/libzmpeg3/video/cache.C b/cinelerra-5.0/libzmpeg3/video/cache.C
deleted file mode 100644 (file)
index 2a5857c..0000000
--- a/cinelerra-5.0/libzmpeg3/video/cache.C
+++ /dev/null
@@ -1,139 +0,0 @@
-#include "../libzmpeg3.h"
-
-zcache_t::
-~cache_t()
-{
-  clear();
-}
-
-void zcache_t::
-clear()
-{
-  if( frames ) {
-    for( int i=0; i<allocation; ++i ) {
-      cacheframe_t *frame = &frames[i];
-      if( frame->y ) delete [] frame->y;
-      if( frame->u ) delete [] frame->u;
-      if( frame->v ) delete [] frame->v;
-    }
-    delete [] frames;
-    total = 0;
-    allocation = 0;
-    frames = 0;
-    seq = 0;
-  }
-}
-
-int zcache_t::
-extend_cache()
-{
-  if( total >= MAX_CACHE_FRAMES ) {
-    int i = 0, n = 0;
-    uint32_t vtim = frames[0].age;
-    while( ++i < total ) {
-      if( frames[i].age < vtim ) {
-        n = i;  vtim = frames[i].age;
-      }
-    }
-    frames[n].age = seq++;
-    return n;
-  }
-  if( total >= allocation ) {
-    int new_allocation = ZMAX(allocation*2,8);
-    cacheframe_t *new_frames = new cacheframe_t[new_allocation];
-    for( int i=0; i<total; ++i )
-      new_frames[i] = frames[i];
-    delete [] frames;
-    frames = new_frames;
-    allocation = new_allocation;
-//zmsgs("%d %d %d\n", new_allocation, allocation, total);
-  }
-  frames[total].age = seq++;
-  return total++;
-}
-
-void zcache_t::
-put_frame(int64_t zframe_number,
-  uint8_t *zy, uint8_t *zu, uint8_t *zv,
-  int zy_size, int zu_size, int zv_size)
-{
-  cacheframe_t *frame = 0;
-  int i;
-//zmsgs("save %d\n",zframe_number);
-
-  for( i=0; i<total; ++i ) { /* Get existing frame */
-    if( frames[i].frame_number == zframe_number ) {
-      frame = &frames[i];
-      break;
-    }
-  }
-
-  if( !frame ) {
-    int i = extend_cache();
-    frame = &frames[i];
-//zmsgs("30 %d %p %p %p\n", ptr->total, frame->y, frame->u, frame->v);
-    if( zy ) {
-      if( zy_size > frame->y_alloc ) {
-        delete [] frame->y;
-        frame->y = new uint8_t[frame->y_alloc=zy_size];
-      }
-      memcpy(frame->y, zy, frame->y_size=zy_size);
-    }
-    if( zu ) {
-      if( zu_size > frame->u_alloc ) {
-        delete [] frame->u;
-        frame->u = new uint8_t[frame->u_alloc=zu_size];
-      }
-      memcpy(frame->u, zu, frame->u_size=zu_size);
-    }
-    if( zv ) {
-      if( zv_size > frame->v_alloc ) {
-        delete [] frame->v;
-        frame->v = new uint8_t[frame->v_alloc=zv_size];
-      }
-      memcpy(frame->v, zv, frame->v_size=zv_size);
-    }
-    frame->frame_number = zframe_number;
-  }
-}
-
-int zcache_t::
-get_frame(int64_t zframe_number,
-  uint8_t **zy, uint8_t **zu, uint8_t **zv)
-{
-  for( int i=0; i<total; ++i ) {
-    cacheframe_t *frame = &frames[i];
-    if( frame->frame_number == zframe_number ) {
-      frame->age = seq++;
-      *zy = frame->y;
-      *zu = frame->u;
-      *zv = frame->v;
-//zmsgs("hit %d\n",zframe_number);
-      return 1;
-    }
-  }
-  clear();
-//zmsgs("missed %d\n",zframe_number);
-  return 0;
-}
-
-int zcache_t::
-has_frame(int64_t zframe_number)
-{
-  for( int i=0; i<total; ++i )
-    if( frames[i].frame_number == zframe_number ) return 1;
-
-  return 0;
-}
-
-int64_t zcache_t::
-memory_usage()
-{
-  int64_t result = 0;
-  for( int i=0; i<allocation; ++i ) {
-    cacheframe_t *frame = &frames[i];
-    result += frame->y_alloc + frame->u_alloc + frame->v_alloc;
-  }
-  return result;
-}
-