ardour/libs/ardour/ardour/ffmpegfilesource.h

61 lines
1.9 KiB
C++

/*
* Copyright (C) 2021 Marijn Kruisselbrink <mek@google.com>
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _ardour_ffmpegfile_source_h_
#define _ardour_ffmpegfile_source_h_
#include <string>
#include "ardour/audiofilesource.h"
#include "ardour/ffmpegfileimportable.h"
namespace ARDOUR {
class LIBARDOUR_API FFMPEGFileSource : public AudioFileSource {
public:
FFMPEGFileSource(ARDOUR::Session &, const std::string &path, int chn, Flag);
~FFMPEGFileSource();
/* AudioSource API */
float sample_rate() const { return _ffmpeg.samplerate (); }
bool clamped_at_unity () const { return false; }
/* AudioFileSource API */
void flush () {}
int update_header (samplepos_t when, struct tm&, time_t) { return 0; }
int flush_header () { return 0; }
void set_header_natural_position () {};
static int get_soundfile_info (const std::string& path, SoundFileInfo& _info, std::string& error_msg);
static bool safe_audio_file_extension (const std::string &file);
protected:
/* FileSource API */
void close ();
/* AudioSource API */
samplecnt_t read_unlocked (Sample *dst, samplepos_t start, samplecnt_t cnt) const;
samplecnt_t write_unlocked (Sample *, samplecnt_t) { return 0; }
private:
mutable FFMPEGFileImportableSource _ffmpeg;
int _channel;
};
}
#endif