67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/***
|
|
|
|
Oak - Non-Linear Video Editor
|
|
Copyright (C) 2026 Oak Team
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
***/
|
|
|
|
#include "audiosynchronizer.h"
|
|
|
|
namespace olive
|
|
{
|
|
|
|
AudioSynchronizer::Placement AudioSynchronizer::PlaceBySourceTime(
|
|
const SourceClip &reference, const SourceClip &candidate,
|
|
const core::rational &reference_timeline_in)
|
|
{
|
|
Placement placement;
|
|
if (!reference.has_source_start_time ||
|
|
!candidate.has_source_start_time ||
|
|
reference.source_start_time.isNaN() ||
|
|
candidate.source_start_time.isNaN()) {
|
|
return placement;
|
|
}
|
|
|
|
const core::rational reference_head_source =
|
|
reference.source_start_time + reference.media_in;
|
|
const core::rational candidate_head_source =
|
|
candidate.source_start_time + candidate.media_in;
|
|
|
|
placement.timeline_in =
|
|
reference_timeline_in + candidate_head_source - reference_head_source;
|
|
placement.valid = !placement.timeline_in.isNaN();
|
|
return placement;
|
|
}
|
|
|
|
AudioSynchronizer::Placement AudioSynchronizer::PlaceByWaveformOffset(
|
|
const core::rational &reference_timeline_in,
|
|
int64_t candidate_offset_samples, int sample_rate)
|
|
{
|
|
Placement placement;
|
|
if (sample_rate <= 0) {
|
|
return placement;
|
|
}
|
|
|
|
placement.timeline_in =
|
|
reference_timeline_in +
|
|
core::rational::fromDouble(static_cast<double>(candidate_offset_samples) /
|
|
static_cast<double>(sample_rate));
|
|
placement.valid = !placement.timeline_in.isNaN();
|
|
return placement;
|
|
}
|
|
|
|
}
|