+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2009-2013 Adam Williams <broadcast at earthling dot net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "aattachmentpoint.h"
-#include "aedit.h"
-#include "amodule.h"
-#include "aplugin.h"
-#include "arender.h"
-#include "asset.h"
-#include "atrack.h"
-#include "automation.h"
-#include "bcsignals.h"
-#include "cache.h"
-#include "clip.h"
-#include "edits.h"
-#include "edl.h"
-#include "edlsession.h"
-#include "file.h"
-#include "filexml.h"
-#include "floatautos.h"
-#include "format.inc"
-#include "language.h"
-#include "module.h"
-#include "patch.h"
-#include "plugin.h"
-#include "pluginarray.h"
-#include "preferences.h"
-#include "renderengine.h"
-#include "mainsession.h"
-#include "samples.h"
-#include "sharedlocation.h"
-#include "theme.h"
-#include "transition.h"
-#include "transportque.h"
-#include <string.h>
-
-
-
-
-
-
-
-
-AModuleResample::AModuleResample(AModule *module)
- : Resample()
-{
- this->module = module;
- bzero(nested_output, sizeof(Samples*) * MAX_CHANNELS);
- nested_allocation = 0;
-}
-
-AModuleResample::~AModuleResample()
-{
- for(int i = 0; i < MAX_CHANNELS; i++)
- delete nested_output[i];
-}
-
-int AModuleResample::read_samples(Samples *buffer, int64_t start, int64_t len)
-{
- int result = 0;
-
-
- if(module->asset)
- {
-// Files only read going forward.
- if(get_direction() == PLAY_REVERSE)
- {
- start -= len;
- }
-
-//printf("AModuleResample::read_samples start=" _LD " len=" _LD "\n", start, len);
- module->file->set_audio_position(start);
- module->file->set_channel(module->channel);
- result = module->file->read_samples(buffer, len);
-
-// Reverse buffer so resampling filter renders forward.
- if(get_direction() == PLAY_REVERSE)
- Resample::reverse_buffer(buffer->get_data(), len);
- }
- else
- if(module->nested_edl)
- {
-
-
-// Nested EDL generates reversed buffer.
- for(int i = 0; i < module->nested_edl->session->audio_channels; i++)
- {
- if(nested_allocation < len)
- {
- delete nested_output[i];
- nested_output[i] = 0;
- }
-
- if(!nested_output[i])
- {
- nested_output[i] = new Samples(len);
- }
- }
-
-
- result = module->nested_renderengine->arender->process_buffer(
- nested_output,
- len,
- start);
-// printf("AModuleResample::read_samples buffer=%p module=%p len=%d\n",
-// buffer,
-// module,
-// len);
- memcpy(buffer->get_data(),
- nested_output[module->channel]->get_data(),
- len * sizeof(double));
-
- }
- return result;
-}
-
-
-
-
-
-
-
-
-
-
-
-AModule::AModule(RenderEngine *renderengine,
- CommonRender *commonrender,
- PluginArray *plugin_array,
- Track *track)
- : Module(renderengine, commonrender, plugin_array, track)
-{
- data_type = TRACK_AUDIO;
- transition_temp = 0;
- speed_temp = 0;
- level_history = 0;
- current_level = 0;
- bzero(nested_output, sizeof(Samples*) * MAX_CHANNELS);
- bzero(prev_head, SPEED_OVERLAP * sizeof(double));
- bzero(prev_tail, SPEED_OVERLAP * sizeof(double));
- nested_allocation = 0;
- resample = 0;
- asset = 0;
- file = 0;
-}
-
-
-
-
-AModule::~AModule()
-{
- if(transition_temp) delete transition_temp;
- if(speed_temp) delete speed_temp;
- if(level_history)
- {
- delete [] level_history;
- delete [] level_samples;
- }
-
- for(int i = 0; i < MAX_CHANNELS; i++)
- {
- if(nested_output[i])
- {
- delete nested_output[i];
- }
- }
-
- delete resample;
-}
-
-AttachmentPoint* AModule::new_attachment(Plugin *plugin)
-{
- return new AAttachmentPoint(renderengine, plugin);
-}
-
-
-void AModule::create_objects()
-{
- Module::create_objects();
-// Not needed in pluginarray
- if(commonrender)
- {
- level_history = new double[((ARender*)commonrender)->total_peaks];
- level_samples = new int64_t[((ARender*)commonrender)->total_peaks];
- current_level = 0;
-
- for(int i = 0; i < ((ARender*)commonrender)->total_peaks; i++)
- {
- level_history[i] = 0;
- level_samples[i] = -1;
- }
- }
-}
-
-int AModule::get_buffer_size()
-{
- if(renderengine)
- return renderengine->fragment_len;
- else
- return plugin_array->get_bufsize();
-}
-
-
-CICache* AModule::get_cache()
-{
- if(renderengine)
- return renderengine->get_acache();
- else
- return cache;
-}
-
-
-int AModule::import_samples(AEdit *edit,
- int64_t start_project,
- int64_t edit_startproject,
- int64_t edit_startsource,
- int direction,
- int sample_rate,
- Samples *buffer,
- int64_t fragment_len)
-{
- int result = 0;
-// start in EDL samplerate
- int64_t start_source = start_project -
- edit_startproject +
- edit_startsource;
-// fragment size adjusted for speed curve
- int64_t speed_fragment_len = fragment_len;
-// boundaries of input fragment required for speed curve
- double max_position = 0;
- double min_position = 0;
-
- double speed_position = edit_startsource;
-// position in source where speed curve starts reading
- double speed_position1 = speed_position;
-// position in source where speed curve finishes
- double speed_position2 = speed_position;
-
-// Need speed curve processing
- int have_speed = 0;
-// Temporary buffer for rendering speed curve
- Samples *speed_buffer = buffer;
- const int debug = 0;
-
-if(debug) printf("AModule::import_samples %d edit=%p nested_edl=%p\n",
-__LINE__,
-edit,
-nested_edl);
- if(nested_edl && edit->channel >= nested_edl->session->audio_channels)
- return 1;
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
-
- this->channel = edit->channel;
-if(debug) printf("AModule::import_samples %d speed_fragment_len=%ld\n",
-__LINE__,
-speed_fragment_len);
-
-
-
-
-// apply speed curve to source position so the timeline agrees with the playback
- if(track->has_speed())
- {
-// get speed adjusted position from start of edit.
- FloatAuto *previous = 0;
- FloatAuto *next = 0;
- FloatAutos *speed_autos = (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
- for(int64_t i = edit_startproject; i < start_project; i++)
- {
- double speed = speed_autos->get_value(i,
- PLAY_FORWARD,
- previous,
- next);
- speed_position += speed;
- }
-
- speed_position1 = speed_position;
-
-
-// calculate boundaries of input fragment required for speed curve
- max_position = speed_position;
- min_position = speed_position;
- for(int64_t i = start_project; i < start_project + fragment_len; i++)
- {
- double speed = speed_autos->get_value(i,
- PLAY_FORWARD,
- previous,
- next);
- speed_position += speed;
- if(speed_position > max_position) max_position = speed_position;
- if(speed_position < min_position) min_position = speed_position;
- }
-
- speed_position2 = speed_position;
- if(speed_position2 < speed_position1)
- {
- max_position += 1.0;
-// min_position -= 1.0;
- speed_fragment_len = (int64_t)(max_position - min_position);
- }
- else
- {
- max_position += 1.0;
- speed_fragment_len = (int64_t)(max_position - min_position);
- }
-
-printf("AModule::import_samples %d %f %f %f %f\n",
-__LINE__,
-min_position,
-max_position,
-speed_position1,
-speed_position2);
-
-// new start of source to read from file
- start_source = (int64_t)min_position;
- have_speed = 1;
-
-
-
-// swap in the temp buffer
- if(speed_temp && speed_temp->get_allocated() < speed_fragment_len)
- {
- delete speed_temp;
- speed_temp = 0;
- }
-
- if(!speed_temp)
- {
- speed_temp = new Samples(speed_fragment_len);
- }
-
- speed_buffer = speed_temp;
- }
-
-
-
- if(speed_fragment_len == 0)
- return 1;
-
-
-
-// Source is a nested EDL
- if(edit->nested_edl)
- {
- int command;
- asset = 0;
-
- if(direction == PLAY_REVERSE)
- command = NORMAL_REWIND;
- else
- command = NORMAL_FWD;
-
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- if(!nested_edl || nested_edl->id != edit->nested_edl->id)
- {
- nested_edl = edit->nested_edl;
- if(nested_renderengine)
- {
- delete nested_renderengine;
- nested_renderengine = 0;
- }
-
- if(!nested_command)
- {
- nested_command = new TransportCommand;
- }
-
-
- if(!nested_renderengine)
- {
- nested_command->command = command;
- nested_command->get_edl()->copy_all(nested_edl);
- nested_command->change_type = CHANGE_ALL;
- nested_command->realtime = renderengine->command->realtime;
- nested_renderengine = new RenderEngine(0,
- get_preferences(),
- 0,
- renderengine ? renderengine->channeldb : 0,
- 1);
- nested_renderengine->set_acache(get_cache());
-// Must use a private cache for the audio
-// if(!cache)
-// {
-// cache = new CICache(get_preferences());
-// private_cache = 1;
-// }
-// nested_renderengine->set_acache(cache);
- nested_renderengine->arm_command(nested_command);
- }
- }
-if(debug) printf("AModule::import_samples %d speed_fragment_len=%d\n", __LINE__, (int)speed_fragment_len);
-
-// Allocate output buffers for all channels
- for(int i = 0; i < nested_edl->session->audio_channels; i++)
- {
- if(nested_allocation < speed_fragment_len)
- {
- delete nested_output[i];
- nested_output[i] = 0;
- }
-
- if(!nested_output[i])
- {
- nested_output[i] = new Samples(speed_fragment_len);
- }
- }
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
-
- if(nested_allocation < speed_fragment_len)
- nested_allocation = speed_fragment_len;
-
-// Update direction command
- nested_renderengine->command->command = command;
-
-// Render the segment
- if(!nested_renderengine->arender)
- {
- bzero(speed_buffer->get_data(), speed_fragment_len * sizeof(double));
- }
- else
- if(sample_rate != nested_edl->session->sample_rate)
- {
-// Read through sample rate converter.
- if(!resample)
- {
- resample = new AModuleResample(this);
- }
-
-if(debug) printf("AModule::import_samples %d %d %d\n",
-__LINE__,
-(int)sample_rate,
-(int)nested_edl->session->sample_rate);
- result = resample->resample(speed_buffer,
- speed_fragment_len,
- nested_edl->session->sample_rate,
- sample_rate,
- start_source,
- direction);
-// Resample reverses to keep it running forward.
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- }
- else
- {
-// Render without resampling
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- result = nested_renderengine->arender->process_buffer(
- nested_output,
- speed_fragment_len,
- start_source);
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- memcpy(speed_buffer->get_data(),
- nested_output[edit->channel]->get_data(),
- speed_fragment_len * sizeof(double));
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
-
-// Reverse fragment so ::render can apply transitions going forward.
- if(direction == PLAY_REVERSE)
- {
- Resample::reverse_buffer(speed_buffer->get_data(), speed_fragment_len);
- }
- }
-
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- }
- else
-// Source is an asset
- if(edit->asset)
- {
- nested_edl = 0;
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- asset = edit->asset;
-
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- get_cache()->age();
-
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- if(nested_renderengine)
- {
- delete nested_renderengine;
- nested_renderengine = 0;
- }
-
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
-
- if(!(file = get_cache()->check_out(
- asset,
- get_edl())))
- {
-// couldn't open source file / skip the edit
- printf(_("AModule::import_samples Couldn't open %s.\n"), asset->path);
- result = 1;
- }
- else
- {
- result = 0;
-
-
- if(sample_rate != asset->sample_rate)
- {
-// Read through sample rate converter.
- if(!resample)
- {
- resample = new AModuleResample(this);
- }
-
-if(debug) printf("AModule::import_samples %d %d %d\n",
-__LINE__,
-sample_rate,
-asset->sample_rate);
- result = resample->resample(speed_buffer,
- speed_fragment_len,
- asset->sample_rate,
- sample_rate,
- start_source,
- direction);
-// Resample reverses to keep it running forward.
- }
- else
- {
-
-if(debug)
-printf("AModule::import_samples %d channel=%d start_source=%ld len=%d\n", __LINE__, edit->channel, start_source, (int)speed_fragment_len);
- file->set_audio_position(start_source);
- file->set_channel(edit->channel);
- result = file->read_samples(speed_buffer, speed_fragment_len);
-// Reverse fragment so ::render can apply transitions going forward.
-if(debug) printf("AModule::import_samples %d speed_buffer=%p data=%p speed_fragment_len=%d\n",
-__LINE__,
-(void*)speed_buffer,
-(void*)speed_buffer->get_data(),
-(int)speed_fragment_len);
- if(direction == PLAY_REVERSE)
- {
- Resample::reverse_buffer(speed_buffer->get_data(), speed_fragment_len);
- }
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- }
-
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- get_cache()->check_in(asset);
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- file = 0;
-
-
-
-
-
- }
- }
- else
- {
- nested_edl = 0;
- asset = 0;
-if(debug) printf("AModule::import_samples %d %p %d\n", __LINE__, speed_buffer->get_data(), (int)speed_fragment_len);
- if(speed_fragment_len > 0) bzero(speed_buffer->get_data(), speed_fragment_len * sizeof(double));
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
- }
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
-
-
-
-
-
-
-
-
-
-// Stretch it to fit the speed curve
-// Need overlapping buffers to get the interpolation to work, but this
-// screws up sequential effects.
- if(have_speed)
- {
- FloatAuto *previous = 0;
- FloatAuto *next = 0;
- FloatAutos *speed_autos = (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
- double *buffer_samples = buffer->get_data();
- double *speed_samples = speed_buffer->get_data();
-
-//printf("AModule::import_samples %d %lld\n", __LINE__, speed_fragment_len);
-
- if(speed_fragment_len == 0)
- {
- bzero(buffer_samples, fragment_len * sizeof(double));
- bzero(prev_tail, SPEED_OVERLAP * sizeof(double));
- bzero(prev_head, SPEED_OVERLAP * sizeof(double));
- }
- else
- {
-// buffer is now reversed
- if(direction == PLAY_REVERSE)
- {
- int out_offset = 0;
- speed_position = speed_position2;
- //printf("AModule::import_samples %d %lld %lld\n", __LINE__, start_project, speed_fragment_len);
- for(int64_t i = start_project + fragment_len;
- i != start_project;
- i--)
- {
- // funky sample reordering, because the source is a reversed buffer
- int in_offset = (int64_t)(speed_fragment_len - 1 - speed_position);
- CLAMP(in_offset, 0, speed_fragment_len - 1);
- buffer_samples[out_offset++] = speed_samples[in_offset];
- double speed = speed_autos->get_value(i,
- PLAY_REVERSE,
- previous,
- next);
- speed_position -= speed;
- }
- //printf("AModule::import_samples %d %f\n", __LINE__, speed_position);
- }
- else
- {
- int out_offset = 0;
-// position in buffer to read
- speed_position = speed_position1 - start_source;
-
-//printf("AModule::import_samples %d %f\n", __LINE__, speed_position);
- for(int64_t i = start_project; i < start_project + fragment_len; i++)
- {
- double speed = speed_autos->get_value(i,
- PLAY_FORWARD,
- previous,
- next);
- double next_speed_position = speed_position + speed;
-
- int in_offset = (int)(speed_position);
- if(fabs(speed) >= 1.0)
- {
- int total = abs(speed);
- double accum = 0;
- for(int j = 0; j < total; j++)
- {
- int in_offset2 = in_offset + (speed > 0 ? j : -j);
-
- CLAMP(in_offset2, 0, speed_fragment_len - 1);
- accum += speed_samples[in_offset2];
- }
-
-
- buffer_samples[out_offset++] = accum / total;
- }
- else
- {
-
-
-// if(in_offset < 0 || in_offset >= speed_fragment_len)
-// printf("AModule::import_samples %d %d %d\n",
-// __LINE__,
-// in_offset,
-// speed_fragment_len);
-
- int in_offset1 = in_offset;
- int in_offset2 = in_offset;
-
- if(speed < 0)
- {
- in_offset1 += SPEED_OVERLAP;
- in_offset2 = in_offset1 - 1;
- }
- else
- {
- in_offset1 -= SPEED_OVERLAP;
- in_offset2 = in_offset1 + 1;
- }
-
- CLAMP(in_offset1, -SPEED_OVERLAP, speed_fragment_len - 1 + SPEED_OVERLAP);
- CLAMP(in_offset2, -SPEED_OVERLAP, speed_fragment_len - 1 + SPEED_OVERLAP);
-
- double value1 = 0;
- if(in_offset1 >= speed_fragment_len)
- {
- value1 = prev_head[in_offset1 - speed_fragment_len];
- }
- else
- if(in_offset1 >= 0)
- {
- value1 = speed_samples[in_offset1];
- }
- else
- {
-//printf("AModule::import_samples %d %d\n", __LINE__, in_offset1);
- value1 = prev_tail[SPEED_OVERLAP + in_offset1];
- }
-#if 0
- double value2 = 0;
- if(in_offset2 >= speed_fragment_len)
- {
- value2 = prev_head[in_offset2 - speed_fragment_len];
- }
- else
- if(in_offset2 >= 0)
- {
- value2 = speed_samples()[in_offset2];
- }
- else
- {
- value2 = prev_tail[SPEED_OVERLAP + in_offset2];
- }
-
- double fraction = speed_position - floor(speed_position);
- buffer_samples[out_offset++] =
- value1 * (1.0 - fraction) +
- value2 * fraction;
-#endif
- buffer_samples[out_offset++] = value1;
-
-
- }
-
- speed_position = next_speed_position;
- }
- }
-
- for(int i = 0; i < SPEED_OVERLAP; i++)
- {
- int offset = speed_fragment_len -
- SPEED_OVERLAP +
- i;
- CLAMP(offset, 0, speed_fragment_len - 1);
-//printf("AModule::import_samples %d %d\n", __LINE__, offset, );
- prev_tail[i] = speed_samples[offset];
- offset = i;
- CLAMP(offset, 0, speed_fragment_len - 1);
- prev_head[i] = speed_samples[offset];
- }
- }
- }
-
-
-
-
-
- return result;
-}
-
-
-
-int AModule::render(Samples *buffer,
- int64_t input_len,
- int64_t start_position,
- int direction,
- int sample_rate,
- int use_nudge)
-{
- int64_t edl_rate = get_edl()->session->sample_rate;
- const int debug = 0;
-
-if(debug) printf("AModule::render %d\n", __LINE__);
-
- if(use_nudge)
- start_position += track->nudge *
- sample_rate /
- edl_rate;
- AEdit *playable_edit;
- int64_t end_position;
- if(direction == PLAY_FORWARD)
- end_position = start_position + input_len;
- else
- end_position = start_position - input_len;
- int buffer_offset = 0;
- int result = 0;
-
-
-// // Flip range around so the source is always read forward.
-// if(direction == PLAY_REVERSE)
-// {
-// start_project -= input_len;
-// end_position -= input_len;
-// }
-
-
-// Clear buffer
- bzero(buffer->get_data(), input_len * sizeof(double));
-
-// The EDL is normalized to the requested sample rate because
-// the requested rate may be the project sample rate and a sample rate
-// might as well be directly from the source rate to the requested rate.
-// Get first edit containing the range
- if(direction == PLAY_FORWARD)
- playable_edit = (AEdit*)track->edits->first;
- else
- playable_edit = (AEdit*)track->edits->last;
-if(debug) printf("AModule::render %d\n", __LINE__);
-
- while(playable_edit)
- {
- int64_t edit_start = playable_edit->startproject;
- int64_t edit_end = playable_edit->startproject + playable_edit->length;
-
-// Normalize to requested rate
- edit_start = edit_start * sample_rate / edl_rate;
- edit_end = edit_end * sample_rate / edl_rate;
-
- if(direction == PLAY_FORWARD)
- {
- if(start_position < edit_end && end_position > edit_start)
- {
- break;
- }
- playable_edit = (AEdit*)playable_edit->next;
- }
- else
- {
- if(end_position < edit_end && start_position > edit_start)
- {
- break;
- }
- playable_edit = (AEdit*)playable_edit->previous;
- }
- }
-
-
-if(debug) printf("AModule::render %d\n", __LINE__);
-
-
-
-
-
-// Fill output one fragment at a time
- while(start_position != end_position)
- {
- int64_t fragment_len = input_len;
-
-if(debug) printf("AModule::render %d " _LD " " _LD "\n", __LINE__, start_position, end_position);
-// Clamp fragment to end of input
- if(direction == PLAY_FORWARD &&
- start_position + fragment_len > end_position)
- fragment_len = end_position - start_position;
- else
- if(direction == PLAY_REVERSE &&
- start_position - fragment_len < end_position)
- fragment_len = start_position - end_position;
-if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
-
-// Normalize position here since update_transition is a boolean operation.
- update_transition(start_position *
- edl_rate /
- sample_rate,
- PLAY_FORWARD);
-
- if(playable_edit)
- {
- AEdit *previous_edit = (AEdit*)playable_edit->previous;
-
-// Normalize EDL positions to requested rate
- int64_t edit_startproject = playable_edit->startproject;
- int64_t edit_endproject = playable_edit->startproject + playable_edit->length;
- int64_t edit_startsource = playable_edit->startsource;
-if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
-
- edit_startproject = edit_startproject * sample_rate / edl_rate;
- edit_endproject = edit_endproject * sample_rate / edl_rate;
- edit_startsource = edit_startsource * sample_rate / edl_rate;
-if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
-
-
-
-// Clamp fragment to end of edit
- if(direction == PLAY_FORWARD &&
- start_position + fragment_len > edit_endproject)
- fragment_len = edit_endproject - start_position;
- else
- if(direction == PLAY_REVERSE &&
- start_position - fragment_len < edit_startproject)
- fragment_len = start_position - edit_startproject;
-if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
-
-// Clamp to end of transition
- int64_t transition_len = 0;
-
- if(transition &&
- previous_edit)
- {
- transition_len = transition->length *
- sample_rate /
- edl_rate;
- if(direction == PLAY_FORWARD &&
- start_position < edit_startproject + transition_len &&
- start_position + fragment_len > edit_startproject + transition_len)
- fragment_len = edit_startproject + transition_len - start_position;
- else
- if(direction == PLAY_REVERSE &&
- start_position > edit_startproject + transition_len &&
- start_position - fragment_len < edit_startproject + transition_len)
- fragment_len = start_position - edit_startproject - transition_len;
- }
-if(debug) printf("AModule::render %d buffer_offset=%d fragment_len=" _LD "\n",
-__LINE__,
-buffer_offset,
-fragment_len);
-
- Samples output(buffer);
- output.set_offset(output.get_offset() + buffer_offset);
- if(import_samples(playable_edit,
- start_position,
- edit_startproject,
- edit_startsource,
- direction,
- sample_rate,
- &output,
- fragment_len)) result = 1;
-
-if(debug) printf("AModule::render %d\n", __LINE__);
-
-
-// Read transition into temp and render
- if(transition && previous_edit)
- {
- int64_t previous_startproject = previous_edit->startproject *
- sample_rate /
- edl_rate;
- int64_t previous_startsource = previous_edit->startsource *
- sample_rate /
- edl_rate;
-
-// Allocate transition temp size
- int transition_fragment_len = fragment_len;
- if(direction == PLAY_FORWARD &&
- fragment_len + start_position > edit_startproject + transition_len)
- fragment_len = edit_startproject + transition_len - start_position;
-
-
-// Read into temp buffers
-// Temp + master or temp + temp ? temp + master
- if(transition_temp &&
- transition_temp->get_allocated() < fragment_len)
- {
- delete transition_temp;
- transition_temp = 0;
- }
-
- if(!transition_temp)
- {
- transition_temp = new Samples(fragment_len);
- }
-
-if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
-
- if(transition_fragment_len > 0)
- {
-// Previous_edit is always the outgoing segment, regardless of direction
- import_samples(previous_edit,
- start_position,
- previous_startproject,
- previous_startsource,
- direction,
- sample_rate,
- transition_temp,
- transition_fragment_len);
- int64_t current_position;
-
-// Reverse buffers here so transitions always render forward.
- if(direction == PLAY_REVERSE)
- {
- Resample::reverse_buffer(output.get_data(), transition_fragment_len);
- Resample::reverse_buffer(transition_temp->get_data(), transition_fragment_len);
- current_position = start_position -
- transition_fragment_len -
- edit_startproject;
- }
- else
- {
- current_position = start_position - edit_startproject;
- }
-
- transition_server->process_transition(
- transition_temp,
- &output,
- current_position,
- transition_fragment_len,
- transition->length);
-
-// Reverse output buffer here so transitions always render forward.
- if(direction == PLAY_REVERSE)
- Resample::reverse_buffer(output.get_data(),
- transition_fragment_len);
- }
- }
-if(debug) printf("AModule::render %d start_position=" _LD " end_position=" _LD " fragment_len=" _LD "\n",
-__LINE__,
-start_position,
-end_position,
-fragment_len);
-
- if(direction == PLAY_REVERSE)
- {
- if(playable_edit && start_position - fragment_len <= edit_startproject)
- playable_edit = (AEdit*)playable_edit->previous;
- }
- else
- {
- if(playable_edit && start_position + fragment_len >= edit_endproject)
- playable_edit = (AEdit*)playable_edit->next;
- }
- }
-
- if(fragment_len > 0)
- {
- buffer_offset += fragment_len;
- if(direction == PLAY_FORWARD)
- start_position += fragment_len;
- else
- start_position -= fragment_len;
- }
- }
-
-if(debug) printf("AModule::render %d\n", __LINE__);
-
- return result;
-}
-
-
-
-
-
-
-
-
-
projects / goodguy / history.git / blobdiff