oak-team/oak-editor
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

improved waveform drawing for higher density waveforms

Browse Source
This commit is contained in:
itsmattkc
2019-02-01 18:50:34 +11:00
parent 2da663d057
commit 3b276fea40
1 changed files with 48 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ui/timelinewidget.cpp
+48 -31
View File
@@ -1245,7 +1245,7 @@ void TimelineWidget::update_ghosts(const QPoint& mouse_pos, bool lock_frame) {
for (int i=0;i<panel_timeline->ghosts.size();i++) {
const Ghost& g = panel_timeline->ghosts.at(i);
// snap ghost's in point
// snap ghost's in point
if (panel_timeline->trim_target == -1 || g.trim_in) {
fm = g.old_in + frame_diff;
if (panel_timeline->snap_to_timeline(&fm, true, true, true)) {
@@ -1254,7 +1254,7 @@ void TimelineWidget::update_ghosts(const QPoint& mouse_pos, bool lock_frame) {
}
}
// snap ghost's out point
// snap ghost's out point
if (panel_timeline->trim_target == -1 || !g.trim_in) {
fm = g.old_out + frame_diff;
if (panel_timeline->snap_to_timeline(&fm, true, true, true)) {
@@ -1263,18 +1263,18 @@ void TimelineWidget::update_ghosts(const QPoint& mouse_pos, bool lock_frame) {
}
}
// if the ghost is attached to a clip, snap its markers too
if (panel_timeline->trim_target == -1 && g.clip >= 0) {
Clip* c = sequence->clips.at(g.clip);
for (int j=0;j<c->markers.size();j++) {
long marker_real_time = c->markers.at(j).frame + c->timeline_in - c->clip_in;
fm = marker_real_time + frame_diff;
if (panel_timeline->snap_to_timeline(&fm, true, true, true)) {
frame_diff = fm - marker_real_time;
break;
}
}
}
// if the ghost is attached to a clip, snap its markers too
if (panel_timeline->trim_target == -1 && g.clip >= 0) {
Clip* c = sequence->clips.at(g.clip);
for (int j=0;j<c->markers.size();j++) {
long marker_real_time = c->markers.at(j).frame + c->timeline_in - c->clip_in;
fm = marker_real_time + frame_diff;
if (panel_timeline->snap_to_timeline(&fm, true, true, true)) {
frame_diff = fm - marker_real_time;
break;
}
}
}
}
}
@@ -2164,8 +2164,11 @@ void draw_waveform(Clip* clip, const FootageStream* ms, long media_length, QPain
int divider = ms->audio_channels*2;
int channel_height = clip_rect.height()/ms->audio_channels;
int last_waveform_index = -1;
for (int i=waveform_start;i<waveform_limit;i++) {
int waveform_index = qFloor((((clip->clip_in + ((double) i/zoom))/media_length) * ms->audio_preview.size())/divider)*divider;
if (last_waveform_index < 0) last_waveform_index = waveform_index;
if (clip->reverse) {
waveform_index = ms->audio_preview.size() - waveform_index - (ms->audio_channels * 2);
@@ -2173,21 +2176,35 @@ void draw_waveform(Clip* clip, const FootageStream* ms, long media_length, QPain
for (int j=0;j<ms->audio_channels;j++) {
int mid = (config.rectified_waveforms) ? clip_rect.top()+channel_height*(j+1) : clip_rect.top()+channel_height*j+(channel_height/2);
int offset = waveform_index+(j*2);
if ((offset + 1) < ms->audio_preview.size()) {
qint8 min = (double)ms->audio_preview.at(offset) / 128.0 * (channel_height/2);
qint8 max = (double)ms->audio_preview.at(offset+1) / 128.0 * (channel_height/2);
int offset_range_start = last_waveform_index+(j*2);
int offset_range_end = waveform_index+(j*2);
qint8 min = qint8(qRound(double(ms->audio_preview.at(offset_range_start)) / 128.0 * (channel_height/2)));
qint8 max = qint8(qRound(double(ms->audio_preview.at(offset_range_start+1)) / 128.0 * (channel_height/2)));
if ((offset_range_end + 1) < ms->audio_preview.size()) {
// for waveform drawings, we get the maximum below 0 and maximum above 0 for this waveform range
for (int k=offset_range_start+2;k<=offset_range_end;k+=2) {
min = qMin(min, qint8(qRound(double(ms->audio_preview.at(k)) / 128.0 * (channel_height/2))));
max = qMax(max, qint8(qRound(double(ms->audio_preview.at(k+1)) / 128.0 * (channel_height/2))));
}
// draw waveforms
if (config.rectified_waveforms) {
// rectified waveforms start from the bottom and draw upwards
p->drawLine(clip_rect.left()+i, mid, clip_rect.left()+i, mid - (max - min));
} else {
// non-rectified waveforms start from the center and draw outwards
p->drawLine(clip_rect.left()+i, mid+min, clip_rect.left()+i, mid+max);
}
}/* else {
qWarning() << "Tried to reach" << offset + 1 << ", limit:" << ms->audio_preview.size();
}*/
}
}
last_waveform_index = waveform_index;
}
}
@@ -2411,17 +2428,17 @@ void TimelineWidget::paintEvent(QPaintEvent*) {
}
}
// draw clip markers
for (int j=0;j<clip->markers.size();j++) {
const Marker& m = clip->markers.at(j);
// draw clip markers
for (int j=0;j<clip->markers.size();j++) {
const Marker& m = clip->markers.at(j);
// convert marker time (in clip time) to sequence time
long marker_time = m.frame + clip->timeline_in - clip->clip_in;
int marker_x = panel_timeline->getTimelineScreenPointFromFrame(marker_time);
if (marker_x > clip_rect.x() && marker_x < clip_rect.right()) {
draw_marker(p, marker_x, clip_rect.bottom()-p.fontMetrics().height(), clip_rect.bottom(), false, false);
}
}
// convert marker time (in clip time) to sequence time
long marker_time = m.frame + clip->timeline_in - clip->clip_in;
int marker_x = panel_timeline->getTimelineScreenPointFromFrame(marker_time);
if (marker_x > clip_rect.x() && marker_x < clip_rect.right()) {
draw_marker(p, marker_x, clip_rect.bottom()-p.fontMetrics().height(), clip_rect.bottom(), false, false);
}
}
// draw clip transitions
draw_transition(p, clip, clip_rect, text_rect, TA_OPENING_TRANSITION);