#include "arender.h"
#include "asset.h"
+#include "automation.h"
+#include "autos.h"
#include "bcsignals.h"
#include "bctimer.h"
#include "cache.h"
#include "file.h"
#include "filesystem.h"
#include "filexml.h"
+#include "floatauto.h"
+#include "floatautos.h"
#include "indexable.h"
#include "indexfile.h"
#include "indexstate.h"
mwindow->edl->local_session->zoom_sample -
mwindow->edl->local_session->view_start[pane_number];
+ FloatAutos *speed_autos = (FloatAutos *)edit->track->automation->autos[AUTOMATION_SPEED];
// samples in segment to draw relative to asset
- double asset_over_session = (double)source_samplerate /
- mwindow->edl->session->sample_rate;
- int64_t startsource = (int64_t)(((pixmap->pixmap_x - virtual_edit_x + x) *
- mwindow->edl->local_session->zoom_sample +
- edit->startsource) *
- asset_over_session);
-// just in case we get a numerical error
- if (startsource < 0) startsource = 0;
- int64_t length = (int64_t)(w *
- mwindow->edl->local_session->zoom_sample *
- asset_over_session);
- int64_t lengthindex = length / index_state->index_zoom * 2;
- int64_t startindex = startsource / index_state->index_zoom * 2;
-// length of index to read in floats
+ double asset_over_session = (double)source_samplerate / mwindow->edl->session->sample_rate;
+ int64_t start_source = (pixmap->pixmap_x - virtual_edit_x + x) *
+ mwindow->edl->local_session->zoom_sample + edit->startsource;
+ int64_t start_speed = speed_autos->automation_integral(0, start_source, PLAY_FORWARD);
+ int64_t start_asset = start_speed * asset_over_session;
+ if( start_asset < 0 ) start_asset = 0;
+ int64_t start_index = start_asset / index_state->index_zoom;
+ int64_t end_source = (pixmap->pixmap_x - virtual_edit_x + x + w) *
+ mwindow->edl->local_session->zoom_sample + edit->startsource;
+ int64_t end_speed = speed_autos->automation_integral(0, end_source, PLAY_FORWARD);
+ int64_t end_asset = end_speed * asset_over_session;
+ if( end_asset < 0 ) end_asset = 0;
+ int64_t end_index = end_asset / index_state->index_zoom;
+// start/length of index to read in floats
+ start_index *= 2; end_index *= 2;
// length of index available in floats
- int64_t endindex = index_state->index_status == INDEX_BUILDING ?
+ int64_t size_index = index_state->index_status == INDEX_BUILDING ?
index_state->get_channel_used(edit->channel) * 2 :
index_state->get_index_size(edit->channel);
// Clamp length of index to read by available data
- if(startindex + lengthindex >= endindex )
- lengthindex = endindex - startindex;
- if( lengthindex <= 0 ) return 0;
+ if( end_index >= size_index ) end_index = size_index;
+ int64_t length_index = end_index - start_index;
+ if( length_index <= 0 ) return 0;
-// Actual length read from file in bytes
- int64_t length_read;
// Start and length of fragment to read from file in bytes.
- int64_t startfile, lengthfile;
float *buffer = 0;
int buffer_shared = 0;
int center_pixel = mwindow->edl->local_session->zoom_track / 2;
if( mwindow->edl->session->show_titles )
center_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
- //int miny = center_pixel - mwindow->edl->local_session->zoom_track / 2;
- //int maxy = center_pixel + mwindow->edl->local_session->zoom_track / 2;
- int x1 = 0, y1, y2;
-// get zoom_sample relative to index zoomx
- double index_frames_per_pixel = mwindow->edl->local_session->zoom_sample /
- index_state->index_zoom *
- asset_over_session;
-
-
- if(index_state->index_status == INDEX_BUILDING)
- {
+ if( index_state->index_status == INDEX_BUILDING ) {
// index is in RAM, being built
buffer = index_state->get_channel_buffer(edit->channel);
if( !buffer ) return 0;
- buffer += startindex;
+ buffer += start_index;
buffer_shared = 1;
}
- else
- {
-// add channel offset
- startindex += index_state->get_index_offset(edit->channel);
-// index is stored in a file
- buffer = new float[lengthindex + 1];
- buffer_shared = 0;
- startfile = index_state->index_start + startindex * sizeof(float);
- lengthfile = lengthindex * sizeof(float);
- length_read = 0;
-
- if(startfile < file_length)
- {
- fseek(fd, startfile, SEEK_SET);
-
- length_read = lengthfile;
- if(startfile + length_read > file_length)
- length_read = file_length - startfile;
-
- (void)fread(buffer, length_read + sizeof(float), 1, fd);
- }
-
- if(length_read < lengthfile) {
- int pos = length_read / sizeof(float);
- int file_length = lengthfile / sizeof(float);
- while( pos < file_length ) buffer[pos++] = 0;
+ else {
+ buffer = new float[length_index + 1];
+ int64_t length_buffer = length_index * sizeof(float);
+// add file/channel offset
+ int64_t index_offset = index_state->get_index_offset(edit->channel);
+ int64_t file_offset = (index_offset + start_index) * sizeof(float);
+ int64_t file_pos = index_state->index_start + file_offset;
+ int64_t read_length = file_length - file_pos;
+ if( read_length > length_buffer )
+ read_length = length_buffer;
+ int64_t length_read = 0;
+ if( read_length > 0 ) {
+ fseek(fd, file_pos, SEEK_SET);
+ length_read = fread(buffer, 1, read_length + sizeof(float), fd);
+ length_read &= ~(sizeof(float)-1);
}
+ if( (read_length-=length_read) > 0 )
+ memset((char*)buffer + length_read, 0, read_length);
+ buffer_shared = 0;
}
canvas->set_color(mwindow->theme->audio_color);
- double current_frame = 0;
- float highsample = buffer[0];
- float lowsample = buffer[1];
int prev_y1 = center_pixel;
int prev_y2 = center_pixel;
int first_frame = 1;
int zoom_y = mwindow->edl->local_session->zoom_y, zoom_y2 = zoom_y / 2;
int max_y = center_pixel + zoom_y2 - 1;
+ int64_t pos_project = (pixmap->pixmap_x - virtual_edit_x + x) *
+ mwindow->edl->local_session->zoom_sample + edit->startsource;
+ int64_t pos_speed = speed_autos->automation_integral(0, pos_project, PLAY_FORWARD);
+ int64_t pos_asset = pos_speed * asset_over_session;
+ int64_t pos_index = pos_asset / index_state->index_zoom;
+ int64_t i = 2 * pos_index - start_index;
+ CLAMP(i, 0, length_index);
SET_TRACE
- for(int bufferposition = 0;
- bufferposition < lengthindex;
- bufferposition += 2)
- {
- if(current_frame >= index_frames_per_pixel)
- {
+ for( int64_t x1=0; x1<w && i < length_index; ++x1 ) {
+ float highsample = buffer[i]; ++i;
+ float lowsample = buffer[i]; ++i;
+ int x2 = x1 + x + 1;
+ pos_project = (pixmap->pixmap_x - virtual_edit_x + x2) *
+ mwindow->edl->local_session->zoom_sample + edit->startsource;
+ pos_speed = speed_autos->automation_integral(0, pos_project, PLAY_FORWARD);
+ pos_asset = pos_speed * asset_over_session;
+ pos_index = pos_asset / index_state->index_zoom;
+ int64_t k = 2 * pos_index - start_index;
+ CLAMP(k, 0, length_index);
+ while( i < k ) {
+ highsample = MAX(highsample, buffer[i]); ++i;
+ lowsample = MIN(lowsample, buffer[i]); ++i;
+ }
- int y1 = (int)(center_pixel - highsample * zoom_y2);
- int y2 = (int)(center_pixel - lowsample * zoom_y2);
- CLAMP(y1, 0, max_y); int next_y1 = y1;
- CLAMP(y2, 0, max_y); int next_y2 = y2;
-//printf("draw_line (%f,%f) = %d,%d, %d,%d\n", lowsample, highsample, x1 + x, y1, x1 + x, y2);
+ int y1 = (int)(center_pixel - highsample * zoom_y2);
+ int y2 = (int)(center_pixel - lowsample * zoom_y2);
+ CLAMP(y1, 0, max_y); int next_y1 = y1;
+ CLAMP(y2, 0, max_y); int next_y2 = y2;
+//printf("draw_line (%f,%f) = %d,%d, %d,%d\n", lowsample, highsample, x2, y1, x2, y2);
//SET_TRACE
// A different algorithm has to be used if it's 1 sample per pixel and the
// index is used. Now the min and max values are equal so we join the max samples.
- if(mwindow->edl->local_session->zoom_sample == 1)
- {
- canvas->draw_line(x1 + x - 1, prev_y1, x1 + x, y1, pixmap);
- }
- else
- {
+ if(mwindow->edl->local_session->zoom_sample == 1) {
+ canvas->draw_line(x2 - 1, prev_y1, x2, y1, pixmap);
+ }
+ else {
// Extend line height if it doesn't connect to previous line
- if(!first_frame)
- {
- if(y1 > prev_y2) y1 = prev_y2 + 1;
- if(y2 < prev_y1) y2 = prev_y1 - 1;
- }
- else
- {
- first_frame = 0;
- }
-
-
-
- canvas->draw_line(x1 + x, y1, x1 + x, y2, pixmap);
+ if(!first_frame) {
+ if(y1 > prev_y2) y1 = prev_y2 + 1;
+ if(y2 < prev_y1) y2 = prev_y1 - 1;
+ }
+ else {
+ first_frame = 0;
}
- current_frame -= index_frames_per_pixel;
- x1++;
- prev_y1 = next_y1;
- prev_y2 = next_y2;
- highsample = buffer[bufferposition];
- lowsample = buffer[bufferposition + 1];
+ canvas->draw_line(x2, y1, x2, y2, pixmap);
}
-
- current_frame++;
- highsample = MAX(highsample, buffer[bufferposition]);
- lowsample = MIN(lowsample, buffer[bufferposition + 1]);
- }
-SET_TRACE
-
-// Get last column
- if(current_frame)
- {
- y1 = (int)(center_pixel - highsample * zoom_y2);
- y2 = (int)(center_pixel - lowsample * zoom_y2);
- canvas->draw_line(x1 + x, y1, x1 + x, y2, pixmap);
+ prev_y1 = next_y1;
+ prev_y2 = next_y2;
}
SET_TRACE
-
-
if(!buffer_shared) delete [] buffer;
SET_TRACE
if(debug) printf("IndexFile::draw_index %d\n", __LINE__);
projects / goodguy / history.git / blobdiff