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livetrax/gtk2_ardour/video_image_frame.h

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/*
* Copyright (C) 2013-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
*
* 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_video_image_frame_h__
#define __ardour_video_image_frame_h__
#include <string>
#include <glib.h>
#include <sigc++/signal.h>
#include <pthread.h>
#include "ardour/ardour.h"
#include "pbd/signals.h"
#include "canvas/container.h"
#include "canvas/pixbuf.h"
#include "canvas/image.h"
namespace ARDOUR {
class TempoSection;
class MeterSection;
}
class PublicEditor;
/** @class VideoImageFrame
* @brief a single video-frame to be displayed in the video timeline
*/
class VideoImageFrame : public sigc::trackable
{
public:
VideoImageFrame (PublicEditor&, ArdourCanvas::Container&, int, int, std::string, std::string);
virtual ~VideoImageFrame ();
void set_position (samplepos_t);
void set_videoframe (samplepos_t, int rightend = -1);
samplepos_t get_video_frame_number() {return video_frame_number;}
int get_height () {return clip_height;}
int get_width () {return clip_width;}
int get_rightend() { return rightend;}
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samplepos_t get_req_frame () {return req_video_frame_number;}
std::string get_video_server_url () {return video_server_url;}
std::string get_video_filename () {return video_filename;}
void http_download_done (char *);
PBD::Signal0<void> ImgChanged;
protected:
PublicEditor& editor;
ArdourCanvas::Container *_parent;
ArdourCanvas::Image *image;
std::shared_ptr<ArdourCanvas::Image::Data> img;
int clip_width;
int clip_height;
int rightend;
std::string video_server_url;
std::string video_filename;
double unit_position;
samplepos_t sample_position;
samplepos_t video_frame_number;
void reposition ();
void exposeimg ();
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void fill_frame (const uint8_t r, const uint8_t g, const uint8_t b);
void draw_line ();
void draw_x ();
void cut_rightend ();
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void http_get (samplepos_t fn);
void http_get_again (samplepos_t fn);
samplepos_t req_video_frame_number;
samplepos_t want_video_frame_number;
bool queued_request;
pthread_mutex_t request_lock;
pthread_mutex_t queue_lock;
pthread_t thread_id_tt;
bool thread_active;
};
#endif /* __ardour_video_image_frame_h__ */