#define DVDOMATIC_ENCODER_H
/** @file src/encoder.h
- * @brief Parent class for classes which can encode video and audio frames.
+ * @brief Encoder to J2K and WAV for DCP.
*/
#include <boost/shared_ptr.hpp>
#include <boost/thread/mutex.hpp>
+#include <boost/thread/condition.hpp>
+#include <boost/thread.hpp>
+#include <boost/optional.hpp>
#include <list>
#include <stdint.h>
extern "C" {
#include <libavutil/samplefmt.h>
}
+#ifdef HAVE_SWRESAMPLE
+extern "C" {
+#include <libswresample/swresample.h>
+}
+#endif
+#include "util.h"
+#include "video_sink.h"
+#include "audio_sink.h"
-class Options;
class Image;
class Subtitle;
class AudioBuffers;
class Film;
+class ServerDescription;
+class DCPVideoFrame;
+class EncodedData;
+class Writer;
+class Playlist;
/** @class Encoder
- * @brief Parent class for classes which can encode video and audio frames.
+ * @brief Encoder to J2K and WAV for DCP.
*
* Video is supplied to process_video as YUV frames, and audio
* is supplied as uncompressed PCM in blocks of various sizes.
- *
- * The subclass is expected to encode the video and/or audio in
- * some way and write it to disk.
*/
-class Encoder
+class Encoder : public VideoSink, public AudioSink
{
public:
- Encoder (boost::shared_ptr<const Film> f, boost::shared_ptr<const Options> o);
+ Encoder (boost::shared_ptr<Film> f, boost::shared_ptr<Playlist>);
+ virtual ~Encoder ();
/** Called to indicate that a processing run is about to begin */
- virtual void process_begin (int64_t audio_channel_layout) = 0;
+ virtual void process_begin ();
- /** Called with a frame of video.
+ /** Call with a frame of video.
* @param i Video frame image.
- * @param f Frame number within the film.
+ * @param same true if i is the same as the last time we were called.
* @param s A subtitle that should be on this frame, or 0.
*/
- virtual void process_video (boost::shared_ptr<const Image> i, int f, boost::shared_ptr<Subtitle> s) = 0;
+ void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s);
- /** Called with some audio data.
- * @param d Array of pointers to floating point sample data for each channel.
- * @param s Number of frames (ie number of samples in each channel)
- */
- virtual void process_audio (boost::shared_ptr<const AudioBuffers>) = 0;
+ /** Call with some audio data */
+ void process_audio (boost::shared_ptr<AudioBuffers>);
/** Called when a processing run has finished */
- virtual void process_end () = 0;
+ virtual void process_end ();
float current_frames_per_second () const;
- bool skipping () const;
- int last_frame () const;
+ int video_frames_out () const;
-protected:
- void frame_done (int n);
- void frame_skipped ();
+private:
+
+ void frame_done ();
+ void write_audio (boost::shared_ptr<const AudioBuffers> data);
+
+ void encoder_thread (ServerDescription *);
+ void terminate_threads ();
+
/** Film that we are encoding */
- boost::shared_ptr<const Film> _film;
- /** Options */
- boost::shared_ptr<const Options> _opt;
+ boost::shared_ptr<Film> _film;
+ boost::shared_ptr<Playlist> _playlist;
- /** Mutex for _time_history, _just_skipped and _last_frame */
+ /** Mutex for _time_history and _last_frame */
mutable boost::mutex _history_mutex;
/** List of the times of completion of the last _history_size frames;
first is the most recently completed.
std::list<struct timeval> _time_history;
/** Number of frames that we should keep history for */
static int const _history_size;
- /** true if the last frame we processed was skipped (because it was already done) */
- bool _just_skipped;
- /** Index of the last frame to be processed */
- int _last_frame;
+
+ /** Number of video frames received so far */
+ SourceFrame _video_frames_in;
+ /** Number of video frames written for the DCP so far */
+ int _video_frames_out;
+
+#if HAVE_SWRESAMPLE
+ SwrContext* _swr_context;
+#endif
+
+ bool _have_a_real_frame;
+ bool _terminate;
+ std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
+ std::list<boost::thread *> _threads;
+ mutable boost::mutex _mutex;
+ boost::condition _condition;
+
+ boost::shared_ptr<Writer> _writer;
};
#endif