Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / vdevicelml.h

diff --git a/cinelerra-5.1/cinelerra/vdevicelml.h b/cinelerra-5.1/cinelerra/vdevicelml.h
new file mode 100644 (file)
index 0000000..7f7daf1
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/vdevicelml.h
@@ -0,0 +1,106 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef VDEVICELML_H
+#define VDEVICELML_H
+
+#include "guicast.h"
+#include "vdevicebase.h"
+
+#include "jpeg.h"
+
+#define INPUT_BUFFER_SIZE 65536
+
+class VDeviceLML : public VDeviceBase
+{
+public:
+       VDeviceLML(VideoDevice *device);
+       ~VDeviceLML();
+
+       int open_input();
+       int open_output();
+       int close_all();
+       int read_buffer(VFrame *frame);
+       int write_buffer(VFrame *frame, EDL *edl);
+       int reset_parameters();
+       ArrayList<int>* get_render_strategies();
+
+private:
+       int reopen_input();
+
+       inline unsigned char get_byte()
+       {
+               if(!input_buffer) input_buffer = new unsigned char[INPUT_BUFFER_SIZE];
+               if(input_position >= INPUT_BUFFER_SIZE) refill_input();
+               return input_buffer[input_position++];
+       };
+
+       inline unsigned long next_bytes(int total)
+       {
+               unsigned long result = 0;
+               int i;
+
+               if(!input_buffer) input_buffer = new unsigned char[INPUT_BUFFER_SIZE];
+               if(input_position + total > INPUT_BUFFER_SIZE) refill_input();
+
+               for(i = 0; i < total; i++)
+               {
+                       result <<= 8;
+                       result |= input_buffer[input_position + i];
+               }
+               return result;
+       };
+
+       int refill_input();
+       inline int write_byte(unsigned char byte)
+       {
+               if(!frame_buffer)
+               {
+                       frame_buffer = new unsigned char[256000];
+                       frame_allocated = 256000;
+               }
+
+               if(frame_size >= frame_allocated)
+               {
+                       unsigned char *new_frame = new unsigned char[frame_allocated * 2];
+                       memcpy(new_frame, frame_buffer, frame_size);
+                       delete frame_buffer;
+                       frame_buffer = new_frame;
+                       frame_allocated *= 2;
+               }
+
+               frame_buffer[frame_size++] = byte;
+               return 0;
+       };
+
+       int write_fake_marker();
+
+       FILE *jvideo_fd;
+       unsigned char *input_buffer, *frame_buffer;
+       long input_position;
+       long frame_size, frame_allocated;
+       int input_error;
+//     quicktime_mjpeg_hdr jpeg_header;
+       long last_frame_no;
+       ArrayList<int> render_strategies;
+};
+
+#endif