#include "filexml.h"
#include "floatautos.h"
#include "language.h"
+#include "mainerror.h"
#include "module.h"
#include "patch.h"
#include "plugin.h"
#include "theme.h"
#include "transition.h"
#include "transportque.h"
+#include "tracks.h"
#include <string.h>
delete nested_output[i];
}
-int AModuleResample::read_samples(Samples *buffer, int64_t start, int64_t len)
+int AModuleResample::read_samples(Samples *buffer,
+ int64_t start, int64_t len, int direction)
{
- int result = 0;
-
-
- if(module->asset)
- {
-// Files only read going forward.
- if(get_direction() == PLAY_REVERSE)
- {
- start -= len;
- }
-
-//printf("AModuleResample::read_samples start=%jd len=%jd\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;
+ return module->read_samples(buffer, start, len, direction);
}
-
-
-
-
-
-
-
-
-
-
AModule::AModule(RenderEngine *renderengine,
CommonRender *commonrender,
PluginArray *plugin_array,
: Module(renderengine, commonrender, plugin_array, track)
{
data_type = TRACK_AUDIO;
+ channel = 0;
transition_temp = 0;
speed_temp = 0;
bzero(nested_output, sizeof(Samples*) * MAX_CHANNELS);
- bzero(prev_head, SPEED_OVERLAP * sizeof(double));
- bzero(prev_tail, SPEED_OVERLAP * sizeof(double));
meter_history = new MeterHistory();
nested_allocation = 0;
resample = 0;
delete resample;
}
+int AModule::read_samples(Samples *buffer, int64_t start, int64_t len, int direction)
+{
+ if( len < 0 ) return 1;
+ double *buffer_data = buffer->get_data();
+// if start < 0, zero fill prefix. if error, zero fill buffer
+ int64_t zeros = len;
+ int result = 0;
+ if( asset ) {
+// Files only read going forward.
+ if( direction == PLAY_REVERSE ) start -= len;
+ int64_t sz = start >= 0 ? len : len + start;
+ if( start < 0 ) start = 0;
+ if( sz > 0 ) {
+ file->set_audio_position(start);
+ file->set_channel(channel);
+ result = file->read_samples(buffer, sz);
+ if( !result && (zeros-=sz) > 0 ) {
+ double *top_data = buffer_data + zeros;
+ memmove(top_data, buffer_data, sz*sizeof(*buffer_data));
+ }
+ }
+ if( !result && direction == PLAY_REVERSE )
+ Resample::reverse_buffer(buffer_data, len);
+ }
+ else if( nested_edl ) {
+ if( nested_allocation < len ) {
+ nested_allocation = len;
+ for( int i=0; i<nested_edl->session->audio_channels; ++i ) {
+ delete nested_output[i];
+ nested_output[i] = new Samples(nested_allocation);
+ }
+ }
+ result = nested_renderengine->arender->
+ process_buffer(nested_output, len, start);
+ if( !result ) {
+ double *sample_data = nested_output[channel]->get_data();
+ int buffer_size = len * sizeof(*buffer_data);
+ memcpy(buffer_data, sample_data, buffer_size);
+ zeros = 0;
+ }
+ }
+ if( zeros > 0 )
+ memset(buffer_data, 0, zeros*sizeof(*buffer_data));
+ return result;
+}
+
AttachmentPoint* AModule::new_attachment(Plugin *plugin)
{
return new AAttachmentPoint(renderengine, plugin);
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)
+ 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
+ if( fragment_len <= 0 )
+ result = 1;
+ if( nested_edl && edit->channel >= nested_edl->session->audio_channels )
+ result = 1;
+ double *buffer_data = buffer->get_data();
+// buffer fragment adjusted for 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__);
+ double *speed_data = speed_buffer->get_data();
+ int64_t speed_fragment_len = fragment_len;
+ int dir = direction == PLAY_FORWARD ? 1 : -1;
+// normal speed source boundaries in EDL samplerate
+ int64_t start_source = start_project - edit_startproject + edit_startsource;
+ double end_source = start_source + dir*speed_fragment_len;
+ double start_position = start_source;
+// double end_position = end_source;
+// normal speed playback boundaries
+ double min_source = bmin(start_source, end_source);
+ double max_source = bmax(start_source, end_source);
this->channel = edit->channel;
-if(debug) printf("AModule::import_samples %d speed_fragment_len=%jd\n",
-__LINE__,
-speed_fragment_len);
-
-
-
+ int have_speed = track->has_speed();
// 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;
+ if( !result && have_speed ) {
+// get speed adjusted start position from start of edit.
+ FloatAuto *previous = 0, *next = 0;
FloatAutos *speed_autos = (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
- speed_position += speed_autos->automation_integral(edit_startproject,
+ double source_position = edit_startsource +
+ speed_autos->automation_integral(edit_startproject,
start_project-edit_startproject, PLAY_FORWARD);
- speed_position1 = speed_position;
-
-
+ min_source = source_position;
+ max_source = source_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);
+ int64_t pos = start_project;
+ start_position = source_position;
+ for( int64_t i=fragment_len; --i>=0; pos+=dir ) {
+ double speed = speed_autos->get_value(pos, direction, previous, next);
+ source_position += dir*speed;
+ if( source_position > max_source ) max_source = source_position;
+ if( source_position < min_source ) min_source = source_position;
}
- else
- {
- max_position += 1.0;
- speed_fragment_len = (int64_t)(max_position - min_position);
+// end_position = source_position;
+ speed_fragment_len = (int64_t)(max_source - min_source);
+ start_source = direction == PLAY_FORWARD ? min_source : max_source;
+ if( speed_fragment_len > 0 ) {
+// 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;
+ speed_data = speed_buffer->get_data();
}
+ }
-//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;
-
-
+ int edit_sample_rate = 0;
+ if( speed_fragment_len <= 0 )
+ result = 1;
-// swap in the temp buffer
- if(speed_temp && speed_temp->get_allocated() < speed_fragment_len)
- {
- delete speed_temp;
- speed_temp = 0;
+ if( !result && edit->asset ) {
+ nested_edl = 0;
+ if( nested_renderengine ) {
+ delete nested_renderengine; nested_renderengine = 0;
}
-
- if(!speed_temp)
- {
- speed_temp = new Samples(speed_fragment_len);
+// Source is an asset
+ asset = edit->asset;
+ edit_sample_rate = asset->sample_rate;
+ get_cache()->age();
+ file = get_cache()->check_out(asset, get_edl());
+ if( !file ) {
+ printf(_("AModule::import_samples Couldn't open %s.\n"), asset->path);
+ result = 1;
}
-
- speed_buffer = speed_temp;
}
-
-
-
- if(speed_fragment_len == 0)
- return 1;
-
-
-
-// Source is a nested EDL
- if(edit->nested_edl)
- {
- int command;
+ else if( !result && edit->nested_edl ) {
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)
- {
+// Source is a nested EDL
+ 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, 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);
- }
+ delete nested_renderengine;
+ nested_renderengine = 0;
}
-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);
- }
+ edit_sample_rate = nested_edl->session->sample_rate;
+ int command = direction == PLAY_REVERSE ?
+ NORMAL_REWIND : NORMAL_FWD;
+ if( !nested_command )
+ nested_command = new TransportCommand;
+ nested_command->command = command;
+ nested_command->get_edl()->copy_all(nested_edl);
+ nested_command->change_type = CHANGE_ALL;
+ nested_command->realtime = renderengine->command->realtime;
+ if( !nested_renderengine ) {
+ nested_renderengine = new RenderEngine(0, get_preferences(), 0, 1);
+ nested_renderengine->set_acache(get_cache());
+ nested_renderengine->arm_command(nested_command);
}
-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;
+ result = 0;
+ }
+ if( edit_sample_rate <= 0 )
+ result = 1;
-// 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)
- {
+ if( !result ) {
+// speed_buffer is (have_speed ? speed_temp : buffer)
+ if( sample_rate != edit_sample_rate ) {
+ 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__);
+ speed_fragment_len, edit_sample_rate,
+ sample_rate, start_source, direction);
}
- 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);
- }
+ else {
+ result = read_samples(speed_buffer,
+ start_source, speed_fragment_len, direction);
}
-
-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=%jd 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;
-
-
-
-
-
- }
+ if( asset && file ) {
+ file = 0;
+ get_cache()->check_in(asset);
}
- 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;
+ if( !result && have_speed ) {
+ FloatAuto *previous = 0, *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;
+ int len1 = speed_fragment_len-1;
+ double speed_position = start_position;
+ double pos = start_project;
+// speed gnuplot> plot "/tmp/x.dat" using($1) with lines
+// speed_position gnuplot> plot "/tmp/x.dat" using($2) with lines
+//FILE *fp = 0;
+//if( !channel ) { fp = fopen("/tmp/x.dat", "a"); fprintf(fp," %f %f\n",0.,0.); }
+ for( int64_t i=0; i<fragment_len; ++i,pos+=dir ) {
+ int64_t speed_pos = speed_position;
+ double speed = speed_autos->get_value(pos,
+ direction, previous, next);
+//if(fp) fprintf(fp," %f %f\n", speed, speed_position);
+ double next_position = speed_position + dir*speed;
+ int64_t next_pos = next_position;
+ int total = abs(next_pos - speed_pos);
+ int k = speed_pos - min_source;
+ if( dir < 0 ) k = len1 - k; // if buffer reversed
+ double sample = speed_data[bclip(k, 0,len1)];
+ if( total > 1 ) {
+ int d = next_pos >= speed_pos ? 1 : -1;
+ for( int j=total; --j>0; ) {
+ k += d;
+ sample += speed_data[bclip(k, 0,len1)];
}
+ sample /= total;
}
-
- 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];
+#if 0
+ else if( total < 1 ) {
+ int d = next_pos >= speed_pos ? 1 : -1;
+ k += d;
+ double next_sample = speed_data[bclip(k, 0,len1)];
+ double v = speed_position - speed_pos;
+ sample = (1.-v) * sample + v * next_sample;
}
+#endif
+ buffer_data[i] = sample;
+ speed_position = next_position;
}
+//if(fp) fclose(fp);
}
-
-
-
-
+ if( result )
+ bzero(buffer_data, fragment_len*sizeof(*buffer_data));
return result;
}
-
int AModule::render(Samples *buffer,
int64_t input_len,
int64_t start_position,
// Clamp to end of transition
int64_t transition_len = 0;
-
- if(transition &&
- previous_edit)
- {
- transition_len = transition->length *
- sample_rate /
- edl_rate;
+ Plugin *transition = get_edl()->tracks->plugin_exists(transition_id);
+ if( transition && transition->on && 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)
// Read transition into temp and render
- if(transition && previous_edit)
+ if(transition && transition->on && previous_edit)
{
int64_t previous_startproject = previous_edit->startproject *
sample_rate /
{
current_position = start_position - edit_startproject;
}
-
- transition_server->process_transition(
- transition_temp,
- &output,
- current_position,
- transition_fragment_len,
- transition->length);
+ if( transition_server ) {
+ transition_server->process_transition(
+ transition_temp, &output, current_position,
+ transition_fragment_len, transition->length);
+ }
+ else
+ eprintf("missing transition plugin: %s\n", transition->title);
// Reverse output buffer here so transitions always render forward.
if(direction == PLAY_REVERSE)
}
}
if(debug) printf("AModule::render %d start_position=%jd end_position=%jd fragment_len=%jd\n",
-__LINE__,
-start_position,
-end_position,
-fragment_len);
+ __LINE__, start_position, end_position, fragment_len);
if(direction == PLAY_REVERSE)
{