//printf("VModule::import_frame %d cache=%p\n", __LINE__, get_cache());
if( current_edit->asset ) {
get_cache()->age();
- file = get_cache()->check_out(current_edit->asset,
- get_edl());
+ file = get_cache()->check_out(current_edit->asset, get_edl());
// get_cache()->dump();
}
// File found
if( file || nested_edl ) {
-// Make all positions based on requested frame rate.
- int64_t edit_startproject = Units::to_int64(current_edit->startproject *
- frame_rate /
- edl_rate);
- int64_t edit_startsource = Units::to_int64(current_edit->startsource *
- frame_rate /
- edl_rate);
-// Source position going forward
- uint64_t position = direction_position -
- edit_startproject +
- edit_startsource;
int64_t nested_position = 0;
-
-
-
-
-
-// apply speed curve to source position so the timeline agrees with the playback
- if( track->has_speed() ) {
-// integrate position from start of edit.
- double speed_position = edit_startsource;
- FloatAutos *speed_autos = (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
- speed_position += speed_autos->automation_integral(edit_startproject,
- direction_position-edit_startproject, PLAY_FORWARD);
-//printf("VModule::import_frame %d %jd %jd\n", __LINE__, position, (int64_t)speed_position);
- position = (int64_t)speed_position;
- }
-
-
-
-
-
- int asset_w;
- int asset_h;
- if( debug ) printf("VModule::import_frame %d\n", __LINE__);
-
-
-// maybe apply speed curve here, so timeline reflects actual playback
-
-
-
-// if we hit the end of stream, freeze at last frame
- uint64_t max_position = 0;
+// Source position going forward, in edl framerate
+ int64_t pos = Units::to_int64((double)direction_position / frame_rate * edl_rate);
+ int64_t len = pos - current_edit->startproject;
+ FloatAutos *speed_autos = !track->has_speed() ? 0 :
+ (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
+ if( speed_autos && len > 0 )
+ len = speed_autos->automation_integral(current_edit->startproject, len, PLAY_FORWARD);
+ pos = current_edit->startsource + len;
+// Make positions based on requested frame rate.
+ int64_t position = Units::to_int64((double)pos * frame_rate / edl_rate);
+
+ int64_t max_position;
+ int asset_w, asset_h;
if( file ) {
+ asset_w = current_edit->asset->width;
+ asset_h = current_edit->asset->height;
max_position = Units::to_int64((double)file->get_video_length() *
- frame_rate /
- current_edit->asset->frame_rate - 1);
+ frame_rate / current_edit->asset->frame_rate - 1);
}
else {
+ asset_w = nested_edl->session->output_w;
+ asset_h = nested_edl->session->output_h;
max_position = Units::to_int64(nested_edl->tracks->total_length() *
frame_rate - 1);
}
+// if we hit the end of stream, freeze at last frame
+ CLAMP(position, 0, max_position);
-
- if( position > max_position ) position = max_position;
- else
- if( position < 0 ) position = 0;
+ VFrame *&input = commonrender ?
+ ((VRender*)commonrender)->input_temp : // Realtime playback
+ input_temp ; // Menu effect
+ VFrame::get_temp(input, asset_w, asset_h, get_edl()->session->color_model);
int use_cache = renderengine &&
- renderengine->command->single_frame();
+ ( renderengine->command->single_frame() ||
+ renderengine->command->get_direction() == PLAY_REVERSE );
+
// int use_asynchronous = !use_cache &&
// renderengine &&
// Try to make rendering go faster.
// else
file->stop_video_thread();
- int64_t normalized_position = Units::to_int64(position *
- current_edit->asset->frame_rate /
- frame_rate);
-// printf("VModule::import_frame %d %lld %lld\n",
-// __LINE__,
-// position,
-// normalized_position);
+// cache transitions
+ VEdit *vnext = (VEdit *)current_edit->next;
+ pos = Units::to_int64((double)input_position / frame_rate * edl_rate);
+ if( renderengine && renderengine->preferences->cache_transitions &&
+ renderengine->command->get_direction() == PLAY_FORWARD &&
+ current_edit->next && current_edit->next->transition &&
+ file->get_video_length() >= 0 && pos >= vnext->startproject &&
+ pos < vnext->startproject + vnext->transition->length ) {
+ file->set_cache_frames(0);
+ file->set_layer(current_edit->channel);
+ VEdit *vnext = (VEdit *)current_edit->next;
+ Track *track = current_edit->track;
+ FloatAutos *speed_autos = (FloatAutos*)(track->has_speed() ?
+ track->automation->autos[AUTOMATION_SPEED] : 0);
+ int64_t end = vnext->startproject + vnext->transition->length;
+ int first_frame = 1;
+ int count = renderengine->preferences->cache_size /
+ input->get_data_size() / 2; // try to burn only 1/2 of cache
+ while( !result && pos < end && count > 0 ) {
+ int64_t curr_pos = pos - current_edit->startproject;
+ if( curr_pos > 0 && speed_autos )
+ curr_pos = speed_autos->automation_integral(
+ current_edit->startproject, curr_pos, PLAY_FORWARD);
+ curr_pos += current_edit->startsource;
+ int64_t norm_pos = Units::to_int64((double)curr_pos *
+ current_edit->asset->frame_rate / edl_rate);
+ VFrame *cache_frame = file->new_cache_frame(input, norm_pos, first_frame);
+ if( cache_frame ) {
+ file->set_video_position(norm_pos, 0);
+ result = file->read_frame(cache_frame);
+ file->put_cache_frame();
+ }
+ else if( first_frame ) // already loaded
+ break;
+ first_frame = 0;
+ ++pos; --count;
+ }
+ use_cache = 1;
+ }
+
+ int64_t normalized_position = Units::to_int64((double)position *
+ current_edit->asset->frame_rate / frame_rate);
+//printf("VModule::import_frame %d %lld %lld\n", __LINE__, position, normalized_position);
file->set_layer(current_edit->channel);
- file->set_video_position(normalized_position,
- 0);
- asset_w = current_edit->asset->width;
- asset_h = current_edit->asset->height;
-//printf("VModule::import_frame %d normalized_position=%lld\n", __LINE__, normalized_position);
+ file->set_video_position(normalized_position, 0);
}
else {
if( debug ) printf("VModule::import_frame %d\n", __LINE__);
- asset_w = nested_edl->session->output_w;
- asset_h = nested_edl->session->output_h;
// Get source position in nested frame rate in direction of playback.
nested_position = Units::to_int64(position *
nested_edl->session->frame_rate /
!EQUIV(in_h, asset_h)) {
//printf("VModule::import_frame %d file -> temp -> output\n", __LINE__);
// Get temporary input buffer
- VFrame **input = 0;
-// Realtime playback
- if( commonrender ) {
- VRender *vrender = (VRender*)commonrender;
-//printf("VModule::import_frame %d vrender->input_temp=%p\n", __LINE__, vrender->input_temp);
- input = &vrender->input_temp;
- }
- else {
-// Menu effect
- input = &input_temp;
- }
-
-
- if( (*input) &&
- ((*input)->get_w() != asset_w ||
- (*input)->get_h() != asset_h) ) {
- delete (*input);
- (*input) = 0;
- }
-
- if( !(*input) ) {
- (*input) =
- new VFrame(asset_w, asset_h,
- get_edl()->session->color_model);
- }
+ VFrame **input = commonrender ? // Realtime playback
+ &((VRender*)commonrender)->input_temp :
+ &input_temp ; // Menu effect
+ VFrame::get_temp(*input, asset_w, asset_h,
+ get_edl()->session->color_model);
(*input)->copy_stacks(output);
-
// file -> temp
-// Cache for single frame only
+// Cache for single frame, reverse playback
if( file ) {
if( debug ) printf("VModule::import_frame %d this=%p file=%s\n",
__LINE__,
projects / goodguy / cinelerra.git / blobdiff