hvirtual/cinelerra/filethread.h

   1 #ifndef FILETHREAD_H
   2 #define FILETHREAD_H
   3
   4 #include "condition.inc"
   5 #include "file.inc"
   6 #include "mutex.inc"
   7 #include "thread.h"
   8 #include "vframe.inc"
   9
  10
  11 class FileThread : public Thread
  12 {
  13 public:
  14         FileThread(File *file, int do_audio, int do_video);
  15         FileThread(File *file,
  16                 int do_audio,
  17                 int do_video,
  18                 long buffer_size,
  19                 int color_model,
  20                 int ring_buffers,
  21                 int compressed);
  22         ~FileThread();
  23
  24         void create_objects(File *file,
  25                 int do_audio,
  26                 int do_video,
  27                 long buffer_size,
  28                 int color_model,
  29                 int ring_buffers,
  30                 int compressed);
  31         int start_writing();
  32 // Allocate the buffers and start loop
  33         int start_writing(long buffer_size,
  34                         int color_model,
  35                         int ring_buffers,
  36                         int compressed);
  37         int stop_writing();
  38 // write data into next available buffer
  39         int write_buffer(long size);
  40 // get pointer to next buffer to be written and lock it
  41         double** get_audio_buffer();
  42 // get pointer to next frame to be written and lock it
  43         VFrame*** get_video_buffer();
  44
  45         void run();
  46         int swap_buffer();
  47
  48         double **audio_buffer[RING_BUFFERS];
  49 // (VFrame*)(VFrame array *)(Track *)[ring buffer]
  50         VFrame ***video_buffer[RING_BUFFERS];
  51         long output_size[RING_BUFFERS];  // Number of frames or samples to write
  52         int is_compressed[RING_BUFFERS]; // Whether to use the compressed data in the frame
  53         Condition *output_lock[RING_BUFFERS], *input_lock[RING_BUFFERS];
  54 // Lock access to the file to allow it to be changed without stopping the loop
  55         Mutex *file_lock;
  56         int current_buffer;
  57         int local_buffer;
  58         int last_buffer[RING_BUFFERS];
  59         int return_value;
  60         int do_audio;
  61         int do_video;
  62         File *file;
  63         int ring_buffers;
  64         int buffer_size;    // Frames or samples per ring buffer
  65 // Color model of frames
  66         int color_model;
  67         int compressed;
  68 };
  69
  70
  71
  72 #endif