Files
oak-editor/app/audio/tempoprocessor.h
T
itsmattkc 430561e2ac sequence: made divider a sequence parameter rather than a viewer parameter
Doing this makes the preview resolution an explicit project setting rather
than a temporary UI setting. This will allow more consistency when caching.
2020-06-08 14:41:35 +10:00

84 lines
1.7 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive 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/>.
***/
#ifndef TEMPOPROCESSOR_H
#define TEMPOPROCESSOR_H
#ifdef __MINGW32__
#ifndef __USE_MINGW_ANSI_STDIO
#define __USE_MINGW_ANSI_STDIO
#endif
#endif
#include <inttypes.h>
extern "C" {
#include <libavfilter/avfilter.h>
}
#include "render/audioparams.h"
OLIVE_NAMESPACE_ENTER
class TempoProcessor
{
public:
TempoProcessor();
bool IsOpen() const;
const double& GetSpeed() const;
bool Open(const AudioParams& params, const double &speed);
void Push(const char *data, int length);
int Pull(char* data, int max_length);
void Close();
private:
static AVFilterContext* CreateTempoFilter(AVFilterGraph *graph, AVFilterContext *link, const double& tempo);
AVFilterGraph* filter_graph_;
AVFilterContext* buffersrc_ctx_;
AVFilterContext* buffersink_ctx_;
AVFrame* processed_frame_;
int processed_frame_byte_index_;
int processed_frame_max_bytes_;
AudioParams params_;
int64_t timestamp_;
double speed_;
bool open_;
bool flushed_;
};
OLIVE_NAMESPACE_EXIT
#endif // TEMPOPROCESSOR_H