4 * Copyright (C) 2004 Richard Baverstock
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "bcsignals.h"
26 #include "byteorder.h"
34 #include "mwindow.inc"
36 #include "videodevice.inc"
37 #include "mainerror.h"
41 #include <sys/types.h>
50 FileDV::FileDV(Asset *asset, File *file)
51 : FileBase(asset, file)
63 audio_sample_buffer = 0;
64 audio_sample_buffer_len = 0;
65 audio_sample_buffer_start = 0;
66 audio_sample_buffer_end = 0;
67 audio_sample_buffer_maxsize = 0;
69 audio_frames_written = 0;
71 if(asset->format == FILE_UNKNOWN)
72 asset->format = FILE_RAWDV;
73 asset->byte_order = 0;
75 stream_lock = new Mutex("FileDV::stream_lock");
76 decoder_lock = new Mutex("FileDV::decoder_lock");
77 video_position_lock = new Mutex("FileDV::video_position_lock");
82 if(stream) close_file();
84 if(decoder) dv_decoder_free(decoder);
85 if(encoder) dv_encoder_free(encoder);
86 if(audio_encoder) dv_encoder_free(audio_encoder);
90 delete video_position_lock;
92 delete[] video_buffer;
93 delete[] audio_buffer;
95 if(audio_sample_buffer)
97 for(int i = 0; i < asset->channels; i++)
98 delete[] audio_sample_buffer[i];
99 delete[] audio_sample_buffer;
103 void FileDV::get_parameters(BC_WindowBase *parent_window,
105 BC_WindowBase* &format_window,
111 DVConfigAudio *window = new DVConfigAudio(parent_window, asset);
112 format_window = window;
113 window->create_objects();
114 window->run_window();
120 DVConfigVideo *window = new DVConfigVideo(parent_window, asset);
121 format_window = window;
122 window->create_objects();
123 window->run_window();
129 int FileDV::reset_parameters_derived()
131 if(decoder) dv_decoder_free(decoder);
132 if(encoder) dv_encoder_free(encoder);
133 if(audio_encoder) dv_encoder_free(audio_encoder);
138 TRACE("FileDV::reset_parameters_derived 10")
140 TRACE("FileDV::reset_parameters_derived: 20")
141 delete[] audio_buffer;
142 delete[] video_buffer;
143 TRACE("FileDV::reset_parameters_derived: 30")
148 if(stream) fclose(stream);
155 if(audio_sample_buffer)
157 for(int i = 0; i < asset->channels; i++)
158 delete[] audio_sample_buffer[i];
159 delete[] audio_sample_buffer;
161 audio_sample_buffer = 0;
162 audio_sample_buffer_start = 0;
163 audio_sample_buffer_len = 0;
164 audio_sample_buffer_end = 0;
165 audio_sample_buffer_maxsize = 0;
167 audio_frames_written = 0;
168 // output_size gets set in open_file, once we know if the frames are PAL or NTSC
169 // output and input are allocated at the same point.
176 int FileDV::open_file(int rd, int wr)
179 TRACE("FileDV::open_file 10")
184 TRACE("FileDV::open_file 20")
187 if (!(asset->height == 576 && asset->width == 720 && asset->frame_rate == 25) &&
188 !(asset->height == 480 && asset->width == 720 && (asset->frame_rate >= 29.96 && asset->frame_rate <= 29.98)))
190 eprintf(_("Raw DV format does not support following resolution: %ix%i framerate: %f\nAllowed resolutions are 720x576 25fps (PAL) and 720x480 29.97fps (NTSC)\n"), asset->width, asset->height, asset->frame_rate);
191 if (asset->height == 480 && asset->width == 720 && asset->frame_rate == 30)
193 eprintf(_("Suggestion: Proper frame rate for NTSC DV is 29.97 fps, not 30 fps\n"));
197 if (!(asset->channels == 2 && (asset->sample_rate == 48000 || asset->sample_rate == 44100)) &&
198 !((asset->channels == 4 || asset->channels == 2) && asset->sample_rate == 32000))
200 eprintf(_("Raw DV format does not support following audio configuration : %i channels at sample rate: %iHz\n"), asset->channels, asset->sample_rate);
205 if((stream = fopen(asset->path, "w+b")) == 0)
207 eprintf(_("Error while opening \"%s\" for writing. \n%m\n"), asset->path);
211 // Create a new encoder
212 if(encoder) dv_encoder_free(encoder);
213 encoder = dv_encoder_new(0,0,0);
214 encoder->vlc_encode_passes = 3;
215 encoder->static_qno = 0;
216 encoder->force_dct = DV_DCT_AUTO;
218 if(audio_encoder) dv_encoder_free(audio_encoder);
219 audio_encoder = dv_encoder_new(0, 0, 0);
220 audio_encoder->vlc_encode_passes = 3;
221 audio_encoder->static_qno = 0;
222 audio_encoder->force_dct = DV_DCT_AUTO;
224 if(decoder) dv_decoder_free(decoder);
225 decoder = dv_decoder_new(0,0,0);
226 decoder->quality = DV_QUALITY_BEST;
229 isPAL = (asset->height == 576 ? 1 : 0);
230 encoder->isPAL = isPAL;
231 output_size = (isPAL ? DV1394_PAL_FRAME_SIZE : DV1394_NTSC_FRAME_SIZE);
233 // Compare to 16 / 8 rather than == 16 / 9 in case of floating point
235 encoder->is16x9 = asset->aspect_ratio > 16 / 8;
241 TRACE("FileDV::open_file 30")
245 TRACE("FileDV::open_file 40")
247 if((stream = fopen(asset->path, "rb")) == 0)
249 eprintf(_("Error while opening \"%s\" for reading. \n%m\n"), asset->path);
253 // temp storage to find out the correct info from the stream.
254 temp = new unsigned char[DV1394_PAL_FRAME_SIZE];
255 memset(temp, 0, DV1394_PAL_FRAME_SIZE);
257 // need file size info to get length.
258 stat(asset->path, &info);
260 TRACE("FileDV::open_file 50")
262 // read the first frame so we can get the stream info from it
263 // by reading the greatest possible frame size, we ensure we get all the
264 // data. libdv will determine if it's PAL or NTSC, and input and output
265 // buffers get allocated accordingly.
266 fread(temp, DV1394_PAL_FRAME_SIZE, 1, stream);
268 TRACE("FileDV::open_file 60")
270 if(decoder) dv_decoder_free(decoder);
271 decoder = dv_decoder_new(0,0,0);
272 decoder->quality = DV_QUALITY_BEST;
275 if(dv_parse_header(decoder, temp) > -1 )
277 // define video params first -- we need to find out output_size
279 asset->video_data = 1;
282 //TODO: according to the information I found, letterbox and widescreen
283 //are the same thing; however, libdv provides a function to check
284 //if the video feed is one of the other. Need to find out if there
286 if(dv_format_normal(decoder) != 0) asset->aspect_ratio = (double) 4 / 3;
287 else asset->aspect_ratio = (double) 16 / 9;
289 asset->width = decoder->width;
290 asset->height = decoder->height;
291 isPAL = dv_is_PAL(decoder);
293 output_size = (isPAL ? DV1394_PAL_FRAME_SIZE : DV1394_NTSC_FRAME_SIZE);
294 asset->video_length = info.st_size / output_size;
296 if(!asset->frame_rate)
297 asset->frame_rate = (isPAL ? 25 : 29.97);
298 strncpy(asset->vcodec, "dvc ", 4);
300 // see if there are any audio tracks
301 asset->channels = dv_get_num_channels(decoder);
302 if(asset->channels > 0)
304 asset->audio_data = 1;
305 asset->sample_rate = dv_get_frequency(decoder);
306 // libdv always scales the quantization up to 16 bits for dv_decode_full_audio
308 asset->audio_length = (int64_t) (info.st_size / output_size / asset->frame_rate * asset->sample_rate);
309 strncpy(asset->acodec, "dvc ", 4);
312 asset->audio_data = 0;
316 asset->audio_data = 0;
317 asset->video_data = 0;
320 fseeko(stream, 0, SEEK_SET);
321 TRACE("FileDV::open_file 80")
326 // allocate space for audio and video
327 video_buffer = new unsigned char[output_size + 4];
328 audio_buffer = new unsigned char[output_size + 4];
334 int FileDV::check_sig(Asset *asset)
336 unsigned char temp[3];
337 FILE *t_stream = fopen(asset->path, "rb");
339 fread(&temp, 3, 1, t_stream);
343 if(temp[0] == 0x1f &&
351 int FileDV::close_file_derived()
353 if(stream) fclose(stream);
359 int64_t FileDV::get_video_position()
361 return video_position;
364 int64_t FileDV::get_audio_position()
366 return audio_position;
369 int FileDV::set_video_position(int64_t x)
375 int FileDV::set_audio_position(int64_t x)
381 int FileDV::audio_samples_copy(double **buffer, int64_t len)
383 // take the buffer and copy it into a queue
384 if(!audio_sample_buffer)
386 audio_sample_buffer = new int16_t*[asset->channels];
387 if(!audio_sample_buffer)
389 fprintf(stderr, _("ERROR: Unable to allocate memory for audio_sample_buffer.\n"));
393 for(int i = 0; i < asset->channels; i++)
395 audio_sample_buffer[i] = new int16_t[len * 2];
397 if(!audio_sample_buffer[i])
399 fprintf(stderr, _("ERROR: Unable to allocate memory for "
400 "audio_sample_buffer channel %d\n"), i);
404 audio_sample_buffer_maxsize = len * 2;
405 audio_sample_buffer_len = 0;
406 audio_sample_buffer_start = 0;
407 audio_sample_buffer_end = 0;
410 if(audio_sample_buffer_maxsize <= audio_sample_buffer_len + len)
412 // Allocate double the needed size
413 for(int i = 0; i < asset->channels; i++)
415 int16_t *tmp = new int16_t[(audio_sample_buffer_len + len) * 2];
418 fprintf(stderr, _("ERROR: Unable to reallocate memory for "
419 "audio_sample_buffer channel %d\n"), i);
422 // Copy everything from audio_sample_buffer into tmp
423 for(int a = 0, b = audio_sample_buffer_start;
424 a < audio_sample_buffer_len;
425 a++, b = (b < (audio_sample_buffer_maxsize - 1) ? (b + 1) : 0))
427 tmp[a] = audio_sample_buffer[i][b];
429 // Free the current buffer, and reassign tmp to audio_sample_buffer[i]
430 delete[] audio_sample_buffer[i];
431 audio_sample_buffer[i] = tmp;
433 audio_sample_buffer_start = 0;
434 audio_sample_buffer_end = audio_sample_buffer_len - 1;
435 audio_sample_buffer_maxsize = (audio_sample_buffer_len + len) * 2;
439 for(int i = 0; i < asset->channels; i++)
441 if(len + audio_sample_buffer_end < audio_sample_buffer_maxsize)
443 // copy buffer into audio_sample_buffer, straight out (no loop around)
444 for(int a = 0; a < len; a++)
446 audio_sample_buffer[i][audio_sample_buffer_end + a] =
447 (buffer[i][a] * 32767);
449 if(i == (asset->channels - 1))
450 audio_sample_buffer_end += len;
454 // Need to loop back to the start of audio_sample_buffer
455 int copy_size = audio_sample_buffer_maxsize - audio_sample_buffer_end;
457 for(int a = 0; a < copy_size; a++)
458 audio_sample_buffer[i][a + audio_sample_buffer_end] =
459 (buffer[i][a] * 32767);
461 for(int a = 0; a < len - copy_size; a++)
462 audio_sample_buffer[i][a] = (buffer[i][a + copy_size] * 32767);
464 if(i == (asset->channels - 1))
465 audio_sample_buffer_end = len - copy_size;
469 audio_sample_buffer_len += len;
474 int FileDV::write_samples(double **buffer, int64_t len)
476 if(audio_samples_copy(buffer, len) != 0)
478 eprintf(_("Unable to store sample"));
481 video_position_lock->lock("FileDV::write_samples");
483 TRACE("FileDV::write_samples 200")
484 // Get number of frames to be written. Order of operations is important here;
485 // the buffer length must be multiplied by the frame rate first in case the
486 // number of samples in the buffer is less than the sample rate.
487 int nFrames = MIN(video_position - audio_frames_written,
488 audio_sample_buffer_len * asset->frame_rate / asset->sample_rate);
490 video_position_lock->unlock();
492 TRACE("FileDV::write_samples 210")
494 int16_t **tmp_buf = new int16_t*[asset->channels];
495 for(int a = 0; a < asset->channels; a++)
496 tmp_buf[a] = new int16_t[asset->sample_rate];
498 TRACE("FileDV::write_samples 220")
500 for(int i = 0; i < nFrames; i++)
502 stream_lock->lock("FileDV::write_samples 10");
503 if(fseeko(stream, (off_t) audio_frames_written * output_size, SEEK_SET) != 0)
505 eprintf(_("Unable to set audio write position to %ji\n"), (off_t) audio_frames_written * output_size);
507 stream_lock->unlock();
511 if(fread(audio_buffer, output_size, 1, stream) != 1)
513 eprintf(_("Unable to read from audio buffer file\n"));
514 stream_lock->unlock();
518 stream_lock->unlock();
522 TRACE("FileDV::write_samples 230")
524 int samples = dv_calculate_samples(audio_encoder, asset->sample_rate,
525 audio_frames_written);
527 if(samples > audio_sample_buffer_maxsize - 1 - audio_sample_buffer_start)
529 TRACE("FileDV::write_samples 240")
530 int copy_size = audio_sample_buffer_maxsize - audio_sample_buffer_start - 1;
532 for(int a = 0; a < asset->channels; a++)
534 memcpy(tmp_buf[a], audio_sample_buffer[a] + audio_sample_buffer_start,
535 copy_size * sizeof(int16_t));
536 memcpy(tmp_buf[a] + copy_size, audio_sample_buffer[a],
537 (samples - copy_size) * sizeof(int16_t));
539 TRACE("FileDV::write_samples 250")
540 // Encode the audio into the frame
541 if(dv_encode_full_audio(audio_encoder, tmp_buf, asset->channels,
542 asset->sample_rate, audio_buffer) < 0)
544 eprintf(_("ERROR: unable to encode audio frame %d\n"), audio_frames_written);
549 TRACE("FileDV::write_samples 260")
550 int16_t **tmp_buf2 = new int16_t*[asset->channels];
551 for(int a = 0; a < asset->channels; a++)
552 tmp_buf2[a] = audio_sample_buffer[a] + audio_sample_buffer_start;
553 if(dv_encode_full_audio(audio_encoder, tmp_buf2,
554 asset->channels, asset->sample_rate, audio_buffer) < 0)
556 eprintf(_("ERROR: unable to encode audio frame %d\n"), audio_frames_written);
562 TRACE("FileDV::write_samples 270")
564 stream_lock->lock("FileDV::write_samples 20");
565 if(fseeko(stream, (off_t) audio_frames_written * output_size, SEEK_SET) != 0)
567 eprintf(_("ERROR: Unable to relocate for audio write to %ji\n"), (off_t) audio_frames_written * output_size);
568 stream_lock->unlock();
572 if(fwrite(audio_buffer, output_size, 1, stream) != 1)
574 eprintf(_("Unable to write audio to audio buffer\n"));
575 stream_lock->unlock();
579 stream_lock->unlock();
581 audio_frames_written++;
582 audio_sample_buffer_len -= samples;
583 audio_sample_buffer_start += samples;
584 if(audio_sample_buffer_start >= audio_sample_buffer_maxsize)
585 audio_sample_buffer_start -= audio_sample_buffer_maxsize;
588 TRACE("FileDV::write_samples 280")
590 for(int a = 0; a < asset->channels; a++)
594 TRACE("FileDV::write_samples 290")
602 int FileDV::write_frames(VFrame ***frames, int len)
606 if(stream == 0) return 1;
608 for(int j = 0; j < len && !result; j++)
610 VFrame *temp_frame = frames[0][j];
612 //printf("FileDV::write_frames: color_model %i\n", temp_frame->get_color_model());
613 switch(temp_frame->get_color_model())
616 memcpy(video_buffer, temp_frame->get_data(), output_size);
619 //printf("FileDV::write_frames: 4\n");
620 dv_encode_full_frame(encoder, temp_frame->get_rows(),
621 e_dv_color_yuv, video_buffer);
624 //printf("FileDV::write_frames: 5\n");
625 dv_encode_full_frame(encoder, temp_frame->get_rows(),
626 e_dv_color_rgb, video_buffer);
629 unsigned char *data = new unsigned char[asset->height * asset->width * 2];
630 unsigned char **cmodel_buf = new unsigned char *[asset->height];
631 //printf("FileDV::write_frames: 6\n");
632 unsigned char **row_pointers = temp_frame->get_rows();
633 for(int i = 0; i < asset->height; i++)
634 cmodel_buf[i] = data + asset->width * 2 * i;
636 BC_CModels::transfer(cmodel_buf,
652 temp_frame->get_color_model(),
658 dv_encode_full_frame(encoder, cmodel_buf,
659 e_dv_color_yuv, video_buffer);
665 //printf("FileDV::write_frames: 7\n");
667 // This is the only thread that modifies video_position,
668 // so video_position_lock can remain unlocked for reads.
669 stream_lock->lock("FileDV::write_frames");
670 if(fseeko(stream, (off_t) video_position * output_size, SEEK_SET) != 0)
672 eprintf(_("Unable to seek file to %ji\n"), (off_t)(video_position * output_size));
674 if(fwrite(video_buffer, output_size, 1, stream) < 1)
676 eprintf(_("Unable to write video data to video buffer"));
678 stream_lock->unlock();
680 video_position_lock->lock();
682 video_position_lock->unlock();
688 int FileDV::read_compressed_frame(VFrame *buffer)
691 if(stream == 0) return 0;
693 if (fseeko(stream, (off_t) video_position * output_size, SEEK_SET))
695 eprintf(_("Unable to seek file to %ji\n"), (off_t)(video_position * output_size));
697 result = fread(buffer->get_data(), output_size, 1, stream);
700 buffer->set_compressed_size(result);
705 int FileDV::write_compressed_frame(VFrame *buffer)
708 if(stream == 0) return 0;
710 if (fseeko(stream, (off_t) video_position * output_size, SEEK_SET))
712 eprintf(_("Unable to seek file to %ji\n"), (off_t)(video_position * output_size));
714 result = fwrite(buffer->get_data(), buffer->get_compressed_size(), 1, stream);
719 int64_t FileDV::compressed_frame_size()
724 int FileDV::read_samples(double *buffer, int64_t len)
728 int frame_count = get_audio_frame(audio_position);
729 int offset = get_audio_offset(audio_position);
731 stream_lock->lock("FileDV::read_samples");
734 stream_lock->unlock();
737 stream_lock->unlock();
739 // If the sample rate is 32 kHz, and the bitsize is 12, libdv
740 // requires we have space allocated for 4 channels even if
741 // the data only contains two channels.
743 // decoder will exist since it is not free'd after open_file
744 int channels = (asset->sample_rate == 32000 && decoder->audio->quantization == 12) ? 4 : 2;
746 int16_t **out_buffer = new int16_t*[channels];
747 for(int i = 0; i < channels; i++)
748 out_buffer[i] = new int16_t[DV_AUDIO_MAX_SAMPLES];
754 if(fseeko(stream, (off_t) frame_count * output_size, SEEK_SET) != 0)
756 stream_lock->unlock();
761 if(fread(audio_buffer, output_size, 1, stream) < 1)
763 stream_lock->unlock();
768 stream_lock->unlock();
772 decoder_lock->lock("FileDV::read_samples");
774 if(dv_decode_full_audio(decoder, audio_buffer, out_buffer) < 0)
776 eprintf(_("Error decoding audio frame %d\n"), frame_count - 1);
779 int end = dv_get_num_samples(decoder);
780 decoder_lock->unlock();
782 if(len - count + offset < end)
783 end = len - count + offset;
785 for(int i = offset; i < end; i++)
786 buffer[count++] = out_buffer[file->current_channel][i] / 32767.0;
791 for(int i = 0; i < channels; i++)
792 delete[] out_buffer[i];
795 audio_position += len;
800 int FileDV::read_frame(VFrame *frame)
802 if(stream == 0) return 1;
803 int pitches[3] = {720 * 2, 0, 0};
805 TRACE("FileDV::read_frame 1")
806 unsigned char **row_pointers = frame->get_rows();
809 TRACE("FileDV::read_frame 10")
811 // Seek to video position
812 stream_lock->lock("FileDV::read_frame");
813 if(fseeko(stream, (off_t) video_position * output_size, SEEK_SET) < 0)
815 eprintf(_("Unable to seek file to %ji"), (off_t)(video_position * output_size));
816 stream_lock->unlock();
819 fread(video_buffer, output_size, 1, stream);
820 stream_lock->unlock();
824 TRACE("FileDV::read_frame 20")
826 switch(frame->get_color_model())
830 TRACE("FileDV::read_frame 30")
832 frame->allocate_compressed_data(output_size);
833 frame->set_compressed_size(output_size);
834 memcpy(frame->get_data(), video_buffer, output_size);
838 TRACE("FileDV::read_frame 40")
840 pitches[0] = 720 * 3;
841 decoder_lock->lock("FileDV::read_frame 10");
842 dv_decode_full_frame(decoder, video_buffer, e_dv_color_rgb,
843 row_pointers, pitches);
844 decoder_lock->unlock();
847 TRACE("FileDV::read_frame 50")
848 decoder_lock->lock("FileDV::read_frame 20");
849 dv_decode_full_frame(decoder, video_buffer, e_dv_color_yuv,
850 row_pointers, pitches);
851 decoder_lock->unlock();
855 unsigned char *data = new unsigned char[asset->height * asset->width * 2];
856 unsigned char **temp_pointers = new unsigned char*[asset->height];
858 for(int i = 0; i < asset->height; i++)
859 temp_pointers[i] = data + asset->width * 2 * i;
862 TRACE("FileDV::read_frame 69")
864 decoder_lock->lock("FileDV::read_frame 30");
865 dv_decode_full_frame(decoder, video_buffer, e_dv_color_yuv,
866 temp_pointers, pitches);
867 decoder_lock->unlock();
869 TRACE("FileDV::read_frame 70")
871 BC_CModels::transfer(row_pointers,
888 frame->get_color_model(),
893 //for(int i = 0; i < asset->height; i++)
894 // delete[] temp_pointers[i];
895 delete[] temp_pointers;
902 TRACE("FileDV::read_frame 80")
909 int FileDV::colormodel_supported(int colormodel)
914 int FileDV::can_copy_from(Edit *edit, int64_t position)
916 if(edit->asset->format == FILE_RAWDV)
922 int FileDV::get_best_colormodel(Asset *asset, int driver)
929 case PLAYBACK_X11_XV:
932 case PLAYBACK_DV1394:
933 case PLAYBACK_FIREWIRE:
934 return BC_COMPRESSED;
944 case VIDEO4LINUX2JPEG:
947 case CAPTURE_FIREWIRE:
948 return BC_COMPRESSED;
954 int FileDV::get_audio_frame(int64_t pos)
956 return (double) pos * asset->frame_rate / asset->sample_rate;
959 // Get the sample offset from the frame start reported by get_audio_frame
960 int FileDV::get_audio_offset(int64_t pos)
962 int frame = get_audio_frame(pos);
964 // Samples needed from last frame
965 return pos - frame * asset->sample_rate / asset->frame_rate;
988 DVConfigAudio::DVConfigAudio(BC_WindowBase *parent_window, Asset *asset)
989 : BC_Window(_(PROGRAM_NAME ": Audio Compression"),
990 parent_window->get_abs_cursor_x(1),
991 parent_window->get_abs_cursor_y(1),
995 this->parent_window = parent_window;
999 DVConfigAudio::~DVConfigAudio()
1004 void DVConfigAudio::create_objects()
1006 add_tool(new BC_Title(10, 10, _("There are no audio options for this format")));
1007 add_subwindow(new BC_OKButton(this));
1010 int DVConfigAudio::close_event()
1021 DVConfigVideo::DVConfigVideo(BC_WindowBase *parent_window, Asset *asset)
1022 : BC_Window(_(PROGRAM_NAME ": Video Compression"),
1023 parent_window->get_abs_cursor_x(1),
1024 parent_window->get_abs_cursor_y(1),
1028 this->parent_window = parent_window;
1029 this->asset = asset;
1032 DVConfigVideo::~DVConfigVideo()
1037 void DVConfigVideo::create_objects()
1039 add_tool(new BC_Title(10, 10, _("There are no video options for this format")));
1040 add_subwindow(new BC_OKButton(this));
1043 int DVConfigVideo::close_event()