Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.0 / cinelerra / vdevicebuz.C
diff --git a/cinelerra-5.0/cinelerra/vdevicebuz.C b/cinelerra-5.0/cinelerra/vdevicebuz.C
deleted file mode 100644 (file)
index 6cdc8b7..0000000
+++ /dev/null
@@ -1,806 +0,0 @@
-;
-/*
- * 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
- * 
- */
-
-
-#ifdef HAVE_VIDEO4LINUX
-
-// ALPHA C++ can't compile 64 bit headers
-#undef _LARGEFILE_SOURCE
-#undef _LARGEFILE64_SOURCE
-#undef _FILE_OFFSET_BITS
-
-#include "assets.h"
-#include "bcsignals.h"
-#include "channel.h"
-#include "chantables.h"
-#include "condition.h"
-#include "file.inc"
-#include "mutex.h"
-#include "picture.h"
-#include "playbackconfig.h"
-#include "preferences.h"
-#include "recordconfig.h"
-#include "strategies.inc"
-#include "vdevicebuz.h"
-#include "vframe.h"
-#include "videoconfig.h"
-#include "videodevice.h"
-
-#include <errno.h>
-#include <stdint.h>
-#include <linux/kernel.h>
-//#include <linux/videodev2.h>
-#include <linux/videodev.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-
-
-#define READ_TIMEOUT 5000000
-
-
-VDeviceBUZInput::VDeviceBUZInput(VDeviceBUZ *device)
- : Thread(1, 1, 0)
-{
-       this->device = device;
-       buffer = 0;
-       buffer_size = 0;
-       total_buffers = 0;
-       current_inbuffer = 0;
-       current_outbuffer = 0;
-       done = 0;
-       output_lock = new Condition(0, "VDeviceBUZInput::output_lock");
-       buffer_lock = new Mutex("VDeviceBUZInput::buffer_lock");
-}
-
-VDeviceBUZInput::~VDeviceBUZInput()
-{
-       if(Thread::running())
-       {
-               done = 1;
-               Thread::cancel();
-               Thread::join();
-       }
-
-       if(buffer)
-       {
-               for(int i = 0; i < total_buffers; i++)
-               {
-                       delete [] buffer[i];
-               }
-               delete [] buffer;
-               delete [] buffer_size;
-       }
-       delete output_lock;
-       delete buffer_lock;
-}
-
-void VDeviceBUZInput::start()
-{
-// Create buffers
-       total_buffers = device->device->in_config->capture_length;
-       buffer = new char*[total_buffers];
-       buffer_size = new int[total_buffers];
-       bzero(buffer_size, sizeof(int) * total_buffers);
-       for(int i = 0; i < total_buffers; i++)
-       {
-               buffer[i] = new char[INPUT_BUFFER_SIZE];
-       }
-
-       Thread::start();
-}
-
-void VDeviceBUZInput::run()
-{
-    struct buz_sync bsync;
-
-// Wait for frame
-       while(1)
-       {
-               Thread::enable_cancel();
-               if(ioctl(device->jvideo_fd, BUZIOC_SYNC, &bsync) < 0)
-               {
-                       perror("VDeviceBUZInput::run BUZIOC_SYNC");
-                       if(done) return;
-                       Thread::disable_cancel();
-               }
-               else
-               {
-                       Thread::disable_cancel();
-
-
-
-                       int new_buffer = 0;
-                       buffer_lock->lock("VDeviceBUZInput::run");
-// Save only if the current buffer is free.
-                       if(!buffer_size[current_inbuffer])
-                       {
-                               new_buffer = 1;
-// Copy to input buffer
-                               memcpy(buffer[current_inbuffer], 
-                                       device->input_buffer + bsync.frame * device->breq.size,
-                                       bsync.length);
-
-// Advance input buffer number and decrease semaphore.
-                               buffer_size[current_inbuffer] = bsync.length;
-                               increment_counter(&current_inbuffer);
-                       }
-
-                       buffer_lock->unlock();
-
-                       if(ioctl(device->jvideo_fd, BUZIOC_QBUF_CAPT, &bsync.frame))
-                               perror("VDeviceBUZInput::run BUZIOC_QBUF_CAPT");
-
-                       if(new_buffer) output_lock->unlock();
-               }
-       }
-}
-
-void VDeviceBUZInput::get_buffer(char **ptr, int *size)
-{
-// Increase semaphore to wait for buffer.
-       int result = output_lock->timed_lock(READ_TIMEOUT, "VDeviceBUZInput::get_buffer");
-
-
-// The driver has its own timeout routine but it doesn't work because
-// because the tuner lock is unlocked and relocked with no delay.
-//     int result = 0;
-//     output_lock->lock("VDeviceBUZInput::get_buffer");
-
-       if(!result)
-       {
-// Take over buffer table
-               buffer_lock->lock("VDeviceBUZInput::get_buffer");
-               *ptr = buffer[current_outbuffer];
-               *size = buffer_size[current_outbuffer];
-               buffer_lock->unlock();
-       }
-       else
-       {
-//printf("VDeviceBUZInput::get_buffer 1\n");
-               output_lock->unlock();
-       }
-}
-
-void VDeviceBUZInput::put_buffer()
-{
-       buffer_lock->lock("VDeviceBUZInput::put_buffer");
-       buffer_size[current_outbuffer] = 0;
-       buffer_lock->unlock();
-       increment_counter(&current_outbuffer);
-}
-
-void VDeviceBUZInput::increment_counter(int *counter)
-{
-       (*counter)++;
-       if(*counter >= total_buffers) *counter = 0;
-}
-
-void VDeviceBUZInput::decrement_counter(int *counter)
-{
-       (*counter)--;
-       if(*counter < 0) *counter = total_buffers - 1;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-VDeviceBUZ::VDeviceBUZ(VideoDevice *device)
- : VDeviceBase(device)
-{
-       reset_parameters();
-       render_strategies.append(VRENDER_MJPG);
-       tuner_lock = new Mutex("VDeviceBUZ::tuner_lock");
-}
-
-VDeviceBUZ::~VDeviceBUZ()
-{
-       close_all();
-       delete tuner_lock;
-}
-
-int VDeviceBUZ::reset_parameters()
-{
-       jvideo_fd = 0;
-       input_buffer = 0;
-       output_buffer = 0;
-       frame_buffer = 0;
-       frame_size = 0;
-       frame_allocated = 0;
-       input_error = 0;
-       last_frame_no = 0;
-       temp_frame = 0;
-       user_frame = 0;
-       mjpeg = 0;
-       total_loops = 0;
-       output_number = 0;
-       input_thread = 0;
-       brightness = 32768;
-       hue = 32768;
-       color = 32768;
-       contrast = 32768;
-       whiteness = 32768;
-       return 0;
-}
-
-int VDeviceBUZ::close_input_core()
-{
-       if(input_thread)
-       {
-               delete input_thread;
-               input_thread = 0;
-       }
-
-
-       if(device->r)
-       {
-               if(jvideo_fd) close(jvideo_fd);
-               jvideo_fd = 0;
-       }
-
-       if(input_buffer)
-       {
-               if(input_buffer > 0)
-                       munmap(input_buffer, breq.count * breq.size);
-               input_buffer = 0;
-       }
-       return 0;
-}
-
-int VDeviceBUZ::close_output_core()
-{
-//printf("VDeviceBUZ::close_output_core 1\n");
-       if(device->w)
-       {
-//             if(ioctl(jvideo_fd, BUZIOC_QBUF_PLAY, &n) < 0)
-//                     perror("VDeviceBUZ::close_output_core BUZIOC_QBUF_PLAY");
-               if(jvideo_fd) close(jvideo_fd);
-               jvideo_fd = 0;
-       }
-       if(output_buffer)
-       {
-               if(output_buffer > 0)
-                       munmap(output_buffer, breq.count * breq.size);
-               output_buffer = 0;
-       }
-       if(temp_frame)
-       {
-               delete temp_frame;
-               temp_frame = 0;
-       }
-       if(mjpeg)
-       {
-               mjpeg_delete(mjpeg);
-               mjpeg = 0;
-       }
-       if(user_frame)
-       {
-               delete user_frame;
-               user_frame = 0;
-       }
-//printf("VDeviceBUZ::close_output_core 2\n");
-       return 0;
-}
-
-
-int VDeviceBUZ::close_all()
-{
-//printf("VDeviceBUZ::close_all 1\n");
-       close_input_core();
-//printf("VDeviceBUZ::close_all 1\n");
-       close_output_core();
-//printf("VDeviceBUZ::close_all 1\n");
-       if(frame_buffer) delete frame_buffer;
-//printf("VDeviceBUZ::close_all 1\n");
-       reset_parameters();
-//printf("VDeviceBUZ::close_all 2\n");
-       return 0;
-}
-
-#define COMPOSITE_TEXT "Composite"
-#define SVIDEO_TEXT "S-Video"
-#define BUZ_COMPOSITE 0
-#define BUZ_SVIDEO 1
-
-void VDeviceBUZ::get_inputs(ArrayList<Channel*> *input_sources)
-{
-       Channel *new_source = new Channel;
-
-       new_source = new Channel;
-       strcpy(new_source->device_name, COMPOSITE_TEXT);
-       input_sources->append(new_source);
-
-       new_source = new Channel;
-       strcpy(new_source->device_name, SVIDEO_TEXT);
-       input_sources->append(new_source);
-}
-
-int VDeviceBUZ::open_input()
-{
-       device->channel->use_norm = 1;
-       device->channel->use_input = 1;
-
-       device->picture->use_brightness = 1;
-       device->picture->use_contrast = 1;
-       device->picture->use_color = 1;
-       device->picture->use_hue = 1;
-       device->picture->use_whiteness = 1;
-
-// Can't open input until after the channel is set
-       return 0;
-}
-
-int VDeviceBUZ::open_output()
-{
-// Can't open output until after the channel is set
-       return 0;
-}
-
-int VDeviceBUZ::set_channel(Channel *channel)
-{
-       if(!channel) return 0;
-
-       tuner_lock->lock("VDeviceBUZ::set_channel");
-
-       if(device->r)
-       {
-               close_input_core();
-               open_input_core(channel);
-       }
-       else
-       {
-               close_output_core();
-               open_output_core(channel);
-       }
-
-       tuner_lock->unlock();
-
-
-       return 0;
-}
-
-int VDeviceBUZ::create_channeldb(ArrayList<Channel*> *channeldb)
-{
-       return 0;
-}
-
-int VDeviceBUZ::set_picture(PictureConfig *picture)
-{
-       this->brightness = (int)((float)picture->brightness / 100 * 32767 + 32768);
-       this->hue = (int)((float)picture->hue / 100 * 32767 + 32768);
-       this->color = (int)((float)picture->color / 100 * 32767 + 32768);
-       this->contrast = (int)((float)picture->contrast / 100 * 32767 + 32768);
-       this->whiteness = (int)((float)picture->whiteness / 100 * 32767 + 32768);
-
-
-       tuner_lock->lock("VDeviceBUZ::set_picture");
-       if(device->r)
-       {
-               close_input_core();
-               open_input_core(0);
-       }
-       else
-       {
-               close_output_core();
-               open_output_core(0);
-       }
-       tuner_lock->unlock();
-// 
-// 
-// TRACE("VDeviceBUZ::set_picture 1");
-//     tuner_lock->lock("VDeviceBUZ::set_picture");
-// TRACE("VDeviceBUZ::set_picture 2");
-// 
-// 
-// 
-//     struct video_picture picture_params;
-// // This call takes a long time in 2.4.22
-//     if(ioctl(jvideo_fd, VIDIOCGPICT, &picture_params) < 0)
-//             perror("VDeviceBUZ::set_picture VIDIOCGPICT");
-//     picture_params.brightness = brightness;
-//     picture_params.hue = hue;
-//     picture_params.colour = color;
-//     picture_params.contrast = contrast;
-//     picture_params.whiteness = whiteness;
-// // This call takes a long time in 2.4.22
-//     if(ioctl(jvideo_fd, VIDIOCSPICT, &picture_params) < 0)
-//             perror("VDeviceBUZ::set_picture VIDIOCSPICT");
-//     if(ioctl(jvideo_fd, VIDIOCGPICT, &picture_params) < 0)
-//             perror("VDeviceBUZ::set_picture VIDIOCGPICT");
-// 
-// 
-// TRACE("VDeviceBUZ::set_picture 10");
-// 
-// 
-//     tuner_lock->unlock();
-
-       return 0;
-}
-
-int VDeviceBUZ::get_norm(int norm)
-{
-       switch(norm)
-       {
-       case NTSC:  return VIDEO_MODE_NTSC;
-       case PAL:   return VIDEO_MODE_PAL;
-       case SECAM: return VIDEO_MODE_SECAM;
-       }
-       printf("VDeviceBUZ::get_norm: unknown norm %d\n", norm);
-       return VIDEO_MODE_NTSC;
-}
-
-int VDeviceBUZ::read_buffer(VFrame *frame)
-{
-       tuner_lock->lock("VDeviceBUZ::read_buffer");
-       if(!jvideo_fd) open_input_core(0);
-
-// Get buffer from thread
-       char *buffer = 0;
-       int buffer_size = 0;
-       if(input_thread) 
-               input_thread->get_buffer(&buffer, &buffer_size);
-
-       if(buffer)
-       {
-               frame->allocate_compressed_data(buffer_size);
-               frame->set_compressed_size(buffer_size);
-
-// Transfer fields to frame
-               if(device->odd_field_first)
-               {
-                       long field2_offset = mjpeg_get_field2((unsigned char*)buffer, buffer_size);
-                       long field1_len = field2_offset;
-                       long field2_len = buffer_size - field2_offset;
-
-                       memcpy(frame->get_data(), buffer + field2_offset, field2_len);
-                       memcpy(frame->get_data() + field2_len, buffer, field1_len);
-               }
-               else
-               {
-                       bcopy(buffer, frame->get_data(), buffer_size);
-               }
-
-               input_thread->put_buffer();
-               tuner_lock->unlock();
-       }
-       else
-       {
-               tuner_lock->unlock();
-               Timer timer;
-// Allow other threads to lock the tuner_lock under NPTL.
-               timer.delay(100);
-       }
-
-
-       return 0;
-}
-
-int VDeviceBUZ::open_input_core(Channel *channel)
-{
-       jvideo_fd = open(device->in_config->buz_in_device, O_RDONLY);
-
-       if(jvideo_fd <= 0)
-       {
-               fprintf(stderr, "VDeviceBUZ::open_input %s: %s\n", 
-                       device->in_config->buz_in_device,
-                       strerror(errno));
-               jvideo_fd = 0;
-               return 1;
-       }
-
-// Create input sources
-       get_inputs(&device->input_sources);
-
-// Set current input source
-       if(channel)
-       {
-               for(int i = 0; i < 2; i++)
-               {
-                       struct video_channel vch;
-                       vch.channel = channel->input;
-                       vch.norm = get_norm(channel->norm);
-
-//printf("VDeviceBUZ::open_input_core 2 %d %d\n", vch.channel, vch.norm);
-                       if(ioctl(jvideo_fd, VIDIOCSCHAN, &vch) < 0)
-                               perror("VDeviceBUZ::open_input_core VIDIOCSCHAN ");
-               }
-       }
-
-
-// Throw away
-//     struct video_capability vc;
-//     if(ioctl(jvideo_fd, VIDIOCGCAP, &vc) < 0)
-//             perror("VDeviceBUZ::open_input VIDIOCGCAP");
-
-// API dependant initialization
-       if(ioctl(jvideo_fd, BUZIOC_G_PARAMS, &bparm) < 0)
-               perror("VDeviceBUZ::open_input BUZIOC_G_PARAMS");
-
-       bparm.HorDcm = 1;
-       bparm.VerDcm = 1;
-       bparm.TmpDcm = 1;
-       bparm.field_per_buff = 2;
-       bparm.img_width = device->in_config->w;
-       bparm.img_height = device->in_config->h / bparm.field_per_buff;
-       bparm.img_x = 0;
-       bparm.img_y = 0;
-//     bparm.APPn = 0;
-//     bparm.APP_len = 14;
-       bparm.APP_len = 0;
-       bparm.odd_even = 0;
-    bparm.decimation = 0;
-    bparm.quality = device->quality;
-    bzero(bparm.APP_data, sizeof(bparm.APP_data));
-
-       if(ioctl(jvideo_fd, BUZIOC_S_PARAMS, &bparm) < 0)
-               perror("VDeviceBUZ::open_input BUZIOC_S_PARAMS");
-
-// printf("open_input %d %d %d %d %d %d %d %d %d %d %d %d\n", 
-//             bparm.HorDcm,
-//             bparm.VerDcm,
-//             bparm.TmpDcm,
-//             bparm.field_per_buff,
-//             bparm.img_width,
-//             bparm.img_height,
-//             bparm.img_x,
-//             bparm.img_y,
-//             bparm.APP_len,
-//             bparm.odd_even,
-//             bparm.decimation,
-//             bparm.quality);
-
-       breq.count = device->in_config->capture_length;
-       breq.size = INPUT_BUFFER_SIZE;
-       if(ioctl(jvideo_fd, BUZIOC_REQBUFS, &breq) < 0)
-               perror("VDeviceBUZ::open_input BUZIOC_REQBUFS");
-
-//printf("open_input %s %d %d %d %d\n", device->in_config->buz_in_device, breq.count, breq.size, bparm.img_width, bparm.img_height);
-       if((input_buffer = (char*)mmap(0, 
-               breq.count * breq.size, 
-               PROT_READ, 
-               MAP_SHARED, 
-               jvideo_fd, 
-               0)) <= 0)
-               perror("VDeviceBUZ::open_input mmap");
-
-
-// Set picture quality
-       struct video_picture picture_params;
-// This call takes a long time in 2.4.22
-       if(ioctl(jvideo_fd, VIDIOCGPICT, &picture_params) < 0)
-               perror("VDeviceBUZ::set_picture VIDIOCGPICT");
-       picture_params.brightness = brightness;
-       picture_params.hue = hue;
-       picture_params.colour = color;
-       picture_params.contrast = contrast;
-       picture_params.whiteness = whiteness;
-// This call takes a long time in 2.4.22
-       if(ioctl(jvideo_fd, VIDIOCSPICT, &picture_params) < 0)
-               perror("VDeviceBUZ::set_picture VIDIOCSPICT");
-       if(ioctl(jvideo_fd, VIDIOCGPICT, &picture_params) < 0)
-               perror("VDeviceBUZ::set_picture VIDIOCGPICT");
-
-
-// Start capturing
-       int count = breq.count;
-       for(int i = 0; i < count; i++)
-       {
-               if(ioctl(jvideo_fd, BUZIOC_QBUF_CAPT, &i) < 0)
-                       perror("VDeviceBUZ::open_input BUZIOC_QBUF_CAPT");
-       }
-
-
-       input_thread = new VDeviceBUZInput(this);
-       input_thread->start();
-//printf("VDeviceBUZ::open_input_core 2\n");
-       return 0;
-}
-
-int VDeviceBUZ::open_output_core(Channel *channel)
-{
-//printf("VDeviceBUZ::open_output 1\n");
-       total_loops = 0;
-       output_number = 0;
-       jvideo_fd = open(device->out_config->buz_out_device, O_RDWR);
-       if(jvideo_fd <= 0)
-       {
-               perror("VDeviceBUZ::open_output");
-               return 1;
-       }
-
-
-// Set current input source
-       if(channel)
-       {
-               struct video_channel vch;
-               vch.channel = channel->input;
-               vch.norm = get_norm(channel->norm);
-
-               if(ioctl(jvideo_fd, VIDIOCSCHAN, &vch) < 0)
-                       perror("VDeviceBUZ::open_output_core VIDIOCSCHAN ");
-       }
-
-       breq.count = 10;
-       breq.size = INPUT_BUFFER_SIZE;
-       if(ioctl(jvideo_fd, BUZIOC_REQBUFS, &breq) < 0)
-               perror("VDeviceBUZ::open_output BUZIOC_REQBUFS");
-       if((output_buffer = (char*)mmap(0, 
-               breq.count * breq.size, 
-               PROT_READ | PROT_WRITE, 
-               MAP_SHARED, 
-               jvideo_fd, 
-               0)) <= 0)
-               perror("VDeviceBUZ::open_output mmap");
-
-       if(ioctl(jvideo_fd, BUZIOC_G_PARAMS, &bparm) < 0)
-               perror("VDeviceBUZ::open_output BUZIOC_G_PARAMS");
-
-       bparm.decimation = 1;
-       bparm.HorDcm = 1;
-       bparm.field_per_buff = 2;
-       bparm.TmpDcm = 1;
-       bparm.VerDcm = 1;
-       bparm.img_width = device->out_w;
-       bparm.img_height = device->out_h / bparm.field_per_buff;
-       bparm.img_x = 0;
-       bparm.img_y = 0;
-       bparm.odd_even = 0;
-
-       if(ioctl(jvideo_fd, BUZIOC_S_PARAMS, &bparm) < 0)
-               perror("VDeviceBUZ::open_output BUZIOC_S_PARAMS");
-//printf("VDeviceBUZ::open_output 2\n");
-       return 0;
-}
-
-
-
-int VDeviceBUZ::write_buffer(VFrame *frame, EDL *edl)
-{
-//printf("VDeviceBUZ::write_buffer 1\n");
-       tuner_lock->lock("VDeviceBUZ::write_buffer");
-
-       if(!jvideo_fd) open_output_core(0);
-
-       VFrame *ptr = 0;
-       if(frame->get_color_model() != BC_COMPRESSED)
-       {
-               if(!temp_frame) temp_frame = new VFrame;
-               if(!mjpeg)
-               {
-                       mjpeg = mjpeg_new(device->out_w, device->out_h, 2);
-                       mjpeg_set_quality(mjpeg, device->quality);
-                       mjpeg_set_float(mjpeg, 0);
-               }
-               ptr = temp_frame;
-               mjpeg_compress(mjpeg, 
-                       frame->get_rows(), 
-                       frame->get_y(), 
-                       frame->get_u(), 
-                       frame->get_v(),
-                       frame->get_color_model(),
-                       device->cpus);
-               temp_frame->allocate_compressed_data(mjpeg_output_size(mjpeg));
-               temp_frame->set_compressed_size(mjpeg_output_size(mjpeg));
-               bcopy(mjpeg_output_buffer(mjpeg), temp_frame->get_data(), mjpeg_output_size(mjpeg));
-       }
-       else
-               ptr = frame;
-
-// Wait for frame to become available
-// Caused close_output_core to lock up.
-//     if(total_loops >= 1)
-//     {
-//             if(ioctl(jvideo_fd, BUZIOC_SYNC, &output_number) < 0)
-//                     perror("VDeviceBUZ::write_buffer BUZIOC_SYNC");
-//     }
-
-       if(device->out_config->buz_swap_fields)
-       {
-               long field2_offset = mjpeg_get_field2((unsigned char*)ptr->get_data(), 
-                       ptr->get_compressed_size());
-               long field2_len = ptr->get_compressed_size() - field2_offset;
-               memcpy(output_buffer + output_number * breq.size, 
-                       ptr->get_data() + field2_offset, 
-                       field2_len);
-               memcpy(output_buffer + output_number * breq.size +field2_len,
-                       ptr->get_data(), 
-                       field2_offset);
-       }
-       else
-       {
-               bcopy(ptr->get_data(), 
-                       output_buffer + output_number * breq.size, 
-                       ptr->get_compressed_size());
-       }
-
-       if(ioctl(jvideo_fd, BUZIOC_QBUF_PLAY, &output_number) < 0)
-               perror("VDeviceBUZ::write_buffer BUZIOC_QBUF_PLAY");
-
-       output_number++;
-       if(output_number >= (int)breq.count)
-       {
-               output_number = 0;
-               total_loops++;
-       }
-       tuner_lock->unlock();
-//printf("VDeviceBUZ::write_buffer 2\n");
-
-       return 0;
-}
-
-void VDeviceBUZ::new_output_buffer(VFrame *output,
-       int colormodel)
-{
-//printf("VDeviceBUZ::new_output_buffer 1 %d\n", colormodel);
-       if(user_frame)
-       {
-               if(colormodel != user_frame->get_color_model())
-               {
-                       delete user_frame;
-                       user_frame = 0;
-               }
-       }
-
-       if(!user_frame)
-       {
-               switch(colormodel)
-               {
-                       case BC_COMPRESSED:
-                               user_frame = new VFrame;
-                               break;
-                       default:
-                               user_frame = new VFrame(0,
-                                       -1,
-                                       device->out_w,
-                                       device->out_h,
-                                       colormodel,
-                                       -1);
-                               break;
-               }
-       }
-//     user_frame->set_shm_offset(0);
-       output = user_frame;
-//printf("VDeviceBUZ::new_output_buffer 2\n");
-}
-
-
-ArrayList<int>* VDeviceBUZ::get_render_strategies()
-{
-       return &render_strategies;
-}
-
-
-#endif // HAVE_VIDEO4LINUX
-
-