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;
Samples *buffer,
int64_t fragment_len)
{
+ const int debug = 0;
int result = 0;
// start in EDL samplerate
- int64_t start_source = start_project -
- edit_startproject +
- edit_startsource;
+ 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 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)
+ 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=%jd\n",
-__LINE__,
-speed_fragment_len);
-
-
-
+ int dir = direction == PLAY_FORWARD ? 1 : -1;
// apply speed curve to source position so the timeline agrees with the playback
- if(track->has_speed())
- {
+ if( track->has_speed() ) {
// get speed adjusted position from start of edit.
- FloatAuto *previous = 0;
- FloatAuto *next = 0;
+ FloatAuto *previous = 0, *next = 0;
FloatAutos *speed_autos = (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
speed_position += speed_autos->automation_integral(edit_startproject,
start_project-edit_startproject, PLAY_FORWARD);
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;
+ int64_t pos = start_project;
+ for( int64_t i=0; i<fragment_len; ++i,pos+=dir ) {
+ double speed = speed_autos->get_value(pos, direction, previous, next);
+ speed_position += dir*speed;
if(speed_position > max_position) max_position = speed_position;
if(speed_position < min_position) min_position = speed_position;
}
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->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)
+ if( speed_fragment_len == 0 )
return 1;
-
-
// Source is a nested EDL
- if(edit->nested_edl)
- {
- int command;
+ if( edit->nested_edl ) {
+ int command = direction == PLAY_REVERSE ?
+ NORMAL_REWIND : NORMAL_FWD;
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)
- {
+ 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_renderengine ) {
+ delete nested_renderengine; nested_renderengine = 0;
}
-
- if(!nested_command)
- {
+ if( !nested_command )
nested_command = new TransportCommand;
- }
-
-
- if(!nested_renderengine)
- {
+ if( !nested_renderengine ) {
nested_command->command = command;
nested_command->get_edl()->copy_all(nested_edl);
nested_command->change_type = CHANGE_ALL;
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;
+ 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)
+ 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)
- {
+ 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)
- {
+ else if(sample_rate != nested_edl->session->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);
+ 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
- {
+ 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__);
+ nested_output, speed_fragment_len, start_source);
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)
- {
+ if( direction == PLAY_REVERSE ) {
Resample::reverse_buffer(speed_buffer->get_data(), speed_fragment_len);
}
}
-
-if(debug) printf("AModule::import_samples %d\n", __LINE__);
}
- else
+ else if( edit->asset ) {
// 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( 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())))
- {
+ 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
- {
+ else {
result = 0;
-
- if(sample_rate != asset->sample_rate)
- {
+ if( sample_rate != asset->sample_rate ) {
// Read through sample rate converter.
- if(!resample)
- {
+ 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);
+ 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);
+ else {
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
- {
+ 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( speed_fragment_len > 0 )
+ bzero(speed_buffer->get_data(), speed_fragment_len * sizeof(double));
}
-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];
+ if( have_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;
+ if( speed_fragment_len > 0 ) {
+ FloatAuto *previous = 0;
+ FloatAuto *next = 0;
+ FloatAutos *speed_autos = (FloatAutos*)track->automation->autos[AUTOMATION_SPEED];
+ double *speed_samples = speed_buffer->get_data();
+ int len1 = speed_fragment_len-1;
+ int out_offset = dir>0 ? 0 : fragment_len-1;
+ speed_position = speed_position1;
+ int64_t speed_pos = speed_position;
+
+ int64_t pos = start_project;
+ for( int64_t i=0; i<fragment_len; ++i,pos+=dir ) {
+ double speed = speed_autos->get_value(pos,
+ direction, previous, next);
+ double next_position = speed_position + dir*speed;
+ int64_t next_pos = next_position;
+ int d = next_pos >= speed_pos ? 1 : -1;
+ int k = speed_pos - start_source;
+ double sample = speed_samples[bclip(k, 0,len1)];
+ int total = abs(next_pos - speed_pos);
+ if( total > 1 ) {
+ for( int j=total; --j>0; ) {
+ k += d;
+ sample += speed_samples[bclip(k, 0,len1)];
}
- 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];
- }
+ sample /= total;
+ }
#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;
+ else if( total < 1 ) {
+ k += d;
+ double next_sample = speed_samples[bclip(k, 0,len1)];
+ double v = speed_position - speed_pos;
+ sample = (1.-v) * sample + v * next_sample;
}
- }
-
- 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];
+#endif
+ buffer_samples[out_offset] = sample;
+ out_offset += dir;
+ speed_position = next_position;
+ speed_pos = next_pos;
}
}
}
-
-
-
-
return result;
}
-
int AModule::render(Samples *buffer,
int64_t input_len,
int64_t start_position,
projects / goodguy / cinelerra.git / blobdiff