- 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)];