+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2004 Richard Baverstock
- *
- * 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
- *
- */
-
-#include "asset.h"
-#include "bcsignals.h"
-#include "byteorder.h"
-#include "dv1394.h"
-#include "edit.h"
-#include "file.h"
-#include "filedv.h"
-#include "guicast.h"
-#include "language.h"
-#include "mutex.h"
-#include "mwindow.inc"
-#include "vframe.h"
-#include "videodevice.inc"
-#include "mainerror.h"
-
-
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include <iostream>
-
-FileDV::FileDV(Asset *asset, File *file)
- : FileBase(asset, file)
-{
- stream = 0;
- decoder = 0;
- encoder = 0;
- audio_encoder = 0;
- audio_buffer = 0;
- video_buffer = 0;
- output_size = 0;
- video_position = 0;
- audio_position = 0;
-
- audio_sample_buffer = 0;
- audio_sample_buffer_len = 0;
- audio_sample_buffer_start = 0;
- audio_sample_buffer_end = 0;
- audio_sample_buffer_maxsize = 0;
-
- audio_frames_written = 0;
-
- if(asset->format == FILE_UNKNOWN)
- asset->format = FILE_RAWDV;
- asset->byte_order = 0;
-
- stream_lock = new Mutex("FileDV::stream_lock");
- decoder_lock = new Mutex("FileDV::decoder_lock");
- video_position_lock = new Mutex("FileDV::video_position_lock");
-}
-
-FileDV::~FileDV()
-{
- if(stream) close_file();
-
- if(decoder) dv_decoder_free(decoder);
- if(encoder) dv_encoder_free(encoder);
- if(audio_encoder) dv_encoder_free(audio_encoder);
-
- delete stream_lock;
- delete decoder_lock;
- delete video_position_lock;
-
- delete[] video_buffer;
- delete[] audio_buffer;
-
- if(audio_sample_buffer)
- {
- for(int i = 0; i < asset->channels; i++)
- delete[] audio_sample_buffer[i];
- delete[] audio_sample_buffer;
- }
-}
-
-void FileDV::get_parameters(BC_WindowBase *parent_window,
- Asset *asset,
- BC_WindowBase* &format_window,
- int audio_options,
- int video_options)
-{
- if(audio_options)
- {
- DVConfigAudio *window = new DVConfigAudio(parent_window, asset);
- format_window = window;
- window->create_objects();
- window->run_window();
- delete window;
- }
- else
- if(video_options)
- {
- DVConfigVideo *window = new DVConfigVideo(parent_window, asset);
- format_window = window;
- window->create_objects();
- window->run_window();
- delete window;
- }
-
-}
-
-int FileDV::reset_parameters_derived()
-{
- if(decoder) dv_decoder_free(decoder);
- if(encoder) dv_encoder_free(encoder);
- if(audio_encoder) dv_encoder_free(audio_encoder);
- decoder = 0;
- encoder = 0;
- audio_encoder = 0;
-
-TRACE("FileDV::reset_parameters_derived 10")
-
-TRACE("FileDV::reset_parameters_derived: 20")
- delete[] audio_buffer;
- delete[] video_buffer;
-TRACE("FileDV::reset_parameters_derived: 30")
-
- audio_buffer = 0;
- video_buffer = 0;
-
- if(stream) fclose(stream);
-
- stream = 0;
-
- audio_position = 0;
- video_position = 0;
-
- if(audio_sample_buffer)
- {
- for(int i = 0; i < asset->channels; i++)
- delete[] audio_sample_buffer[i];
- delete[] audio_sample_buffer;
- }
- audio_sample_buffer = 0;
- audio_sample_buffer_start = 0;
- audio_sample_buffer_len = 0;
- audio_sample_buffer_end = 0;
- audio_sample_buffer_maxsize = 0;
-
- audio_frames_written = 0;
-// output_size gets set in open_file, once we know if the frames are PAL or NTSC
-// output and input are allocated at the same point.
- output_size = 0;
-
-UNTRACE
- return 0;
-}
-
-int FileDV::open_file(int rd, int wr)
-{
-
-TRACE("FileDV::open_file 10")
-
- if(wr)
- {
-
-TRACE("FileDV::open_file 20")
-
-
- if (!(asset->height == 576 && asset->width == 720 && asset->frame_rate == 25) &&
- !(asset->height == 480 && asset->width == 720 && (asset->frame_rate >= 29.96 && asset->frame_rate <= 29.98)))
- {
- 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);
- if (asset->height == 480 && asset->width == 720 && asset->frame_rate == 30)
- {
- eprintf(_("Suggestion: Proper frame rate for NTSC DV is 29.97 fps, not 30 fps\n"));
- }
- return 1;
- }
- if (!(asset->channels == 2 && (asset->sample_rate == 48000 || asset->sample_rate == 44100)) &&
- !((asset->channels == 4 || asset->channels == 2) && asset->sample_rate == 32000))
- {
- eprintf(_("Raw DV format does not support following audio configuration : %i channels at sample rate: %iHz\n"), asset->channels, asset->sample_rate);
- return 1;
- }
-
-
- if((stream = fopen(asset->path, "w+b")) == 0)
- {
- eprintf(_("Error while opening \"%s\" for writing. \n%m\n"), asset->path);
- return 1;
- }
-
- // Create a new encoder
- if(encoder) dv_encoder_free(encoder);
- encoder = dv_encoder_new(0,0,0);
- encoder->vlc_encode_passes = 3;
- encoder->static_qno = 0;
- encoder->force_dct = DV_DCT_AUTO;
-
- if(audio_encoder) dv_encoder_free(audio_encoder);
- audio_encoder = dv_encoder_new(0, 0, 0);
- audio_encoder->vlc_encode_passes = 3;
- audio_encoder->static_qno = 0;
- audio_encoder->force_dct = DV_DCT_AUTO;
-
- if(decoder) dv_decoder_free(decoder);
- decoder = dv_decoder_new(0,0,0);
- decoder->quality = DV_QUALITY_BEST;
-
-
- isPAL = (asset->height == 576 ? 1 : 0);
- encoder->isPAL = isPAL;
- output_size = (isPAL ? DV1394_PAL_FRAME_SIZE : DV1394_NTSC_FRAME_SIZE);
-
- // Compare to 16 / 8 rather than == 16 / 9 in case of floating point
- // rounding errors
- encoder->is16x9 = asset->aspect_ratio > 16 / 8;
- }
- else
- {
- unsigned char *temp;
-
-TRACE("FileDV::open_file 30")
-
- struct stat info;
-
-TRACE("FileDV::open_file 40")
-
- if((stream = fopen(asset->path, "rb")) == 0)
- {
- eprintf(_("Error while opening \"%s\" for reading. \n%m\n"), asset->path);
- return 1;
- }
-
- // temp storage to find out the correct info from the stream.
- temp = new unsigned char[DV1394_PAL_FRAME_SIZE];
- memset(temp, 0, DV1394_PAL_FRAME_SIZE);
-
- // need file size info to get length.
- stat(asset->path, &info);
-
-TRACE("FileDV::open_file 50")
-
- // read the first frame so we can get the stream info from it
- // by reading the greatest possible frame size, we ensure we get all the
- // data. libdv will determine if it's PAL or NTSC, and input and output
- // buffers get allocated accordingly.
- fread(temp, DV1394_PAL_FRAME_SIZE, 1, stream);
-
-TRACE("FileDV::open_file 60")
-
- if(decoder) dv_decoder_free(decoder);
- decoder = dv_decoder_new(0,0,0);
- decoder->quality = DV_QUALITY_BEST;
-
-
- if(dv_parse_header(decoder, temp) > -1 )
- {
- // define video params first -- we need to find out output_size
- // always have video
- asset->video_data = 1;
- asset->layers = 1;
-
- //TODO: according to the information I found, letterbox and widescreen
- //are the same thing; however, libdv provides a function to check
- //if the video feed is one of the other. Need to find out if there
- //is a difference.
- if(dv_format_normal(decoder) != 0) asset->aspect_ratio = (double) 4 / 3;
- else asset->aspect_ratio = (double) 16 / 9;
-
- asset->width = decoder->width;
- asset->height = decoder->height;
- isPAL = dv_is_PAL(decoder);
-
- output_size = (isPAL ? DV1394_PAL_FRAME_SIZE : DV1394_NTSC_FRAME_SIZE);
- asset->video_length = info.st_size / output_size;
-
- if(!asset->frame_rate)
- asset->frame_rate = (isPAL ? 25 : 29.97);
- strncpy(asset->vcodec, "dvc ", 4);
-
- // see if there are any audio tracks
- asset->channels = dv_get_num_channels(decoder);
- if(asset->channels > 0)
- {
- asset->audio_data = 1;
- asset->sample_rate = dv_get_frequency(decoder);
- // libdv always scales the quantization up to 16 bits for dv_decode_full_audio
- asset->bits = 16;
- asset->audio_length = (int64_t) (info.st_size / output_size / asset->frame_rate * asset->sample_rate);
- strncpy(asset->acodec, "dvc ", 4);
- }
- else
- asset->audio_data = 0;
- }
- else
- {
- asset->audio_data = 0;
- asset->video_data = 0;
- }
-
- fseeko(stream, 0, SEEK_SET);
-TRACE("FileDV::open_file 80")
-
- delete[] temp;
- }
-
- // allocate space for audio and video
- video_buffer = new unsigned char[output_size + 4];
- audio_buffer = new unsigned char[output_size + 4];
-
-UNTRACE
- return 0;
-}
-
-int FileDV::check_sig(Asset *asset)
-{
- unsigned char temp[3];
- FILE *t_stream = fopen(asset->path, "rb");
-
- fread(&temp, 3, 1, t_stream);
-
- fclose(t_stream);
-
- if(temp[0] == 0x1f &&
- temp[1] == 0x07 &&
- temp[2] == 0x00)
- return 1;
-
- return 0;
-}
-
-int FileDV::close_file_derived()
-{
- if(stream) fclose(stream);
- stream = 0;
-
- return 0;
-}
-
-int64_t FileDV::get_video_position()
-{
- return video_position;
-}
-
-int64_t FileDV::get_audio_position()
-{
- return audio_position;
-}
-
-int FileDV::set_video_position(int64_t x)
-{
- video_position = x;
- return 0;
-}
-
-int FileDV::set_audio_position(int64_t x)
-{
- audio_position = x;
- return 0;
-}
-
-int FileDV::audio_samples_copy(double **buffer, int64_t len)
-{
- // take the buffer and copy it into a queue
- if(!audio_sample_buffer)
- {
- audio_sample_buffer = new int16_t*[asset->channels];
- if(!audio_sample_buffer)
- {
- fprintf(stderr, _("ERROR: Unable to allocate memory for audio_sample_buffer.\n"));
- return 1;
- }
-
- for(int i = 0; i < asset->channels; i++)
- {
- audio_sample_buffer[i] = new int16_t[len * 2];
-
- if(!audio_sample_buffer[i])
- {
- fprintf(stderr, _("ERROR: Unable to allocate memory for "
- "audio_sample_buffer channel %d\n"), i);
- return 1;
- }
- }
- audio_sample_buffer_maxsize = len * 2;
- audio_sample_buffer_len = 0;
- audio_sample_buffer_start = 0;
- audio_sample_buffer_end = 0;
- }
-
- if(audio_sample_buffer_maxsize <= audio_sample_buffer_len + len)
- {
- // Allocate double the needed size
- for(int i = 0; i < asset->channels; i++)
- {
- int16_t *tmp = new int16_t[(audio_sample_buffer_len + len) * 2];
- if(!tmp)
- {
- fprintf(stderr, _("ERROR: Unable to reallocate memory for "
- "audio_sample_buffer channel %d\n"), i);
- return 1;
- }
- // Copy everything from audio_sample_buffer into tmp
- for(int a = 0, b = audio_sample_buffer_start;
- a < audio_sample_buffer_len;
- a++, b = (b < (audio_sample_buffer_maxsize - 1) ? (b + 1) : 0))
- {
- tmp[a] = audio_sample_buffer[i][b];
- }
- // Free the current buffer, and reassign tmp to audio_sample_buffer[i]
- delete[] audio_sample_buffer[i];
- audio_sample_buffer[i] = tmp;
- }
- audio_sample_buffer_start = 0;
- audio_sample_buffer_end = audio_sample_buffer_len - 1;
- audio_sample_buffer_maxsize = (audio_sample_buffer_len + len) * 2;
- }
-
-
- for(int i = 0; i < asset->channels; i++)
- {
- if(len + audio_sample_buffer_end < audio_sample_buffer_maxsize)
- {
- // copy buffer into audio_sample_buffer, straight out (no loop around)
- for(int a = 0; a < len; a++)
- {
- audio_sample_buffer[i][audio_sample_buffer_end + a] =
- (buffer[i][a] * 32767);
- }
- if(i == (asset->channels - 1))
- audio_sample_buffer_end += len;
- }
- else
- {
- // Need to loop back to the start of audio_sample_buffer
- int copy_size = audio_sample_buffer_maxsize - audio_sample_buffer_end;
-
- for(int a = 0; a < copy_size; a++)
- audio_sample_buffer[i][a + audio_sample_buffer_end] =
- (buffer[i][a] * 32767);
-
- for(int a = 0; a < len - copy_size; a++)
- audio_sample_buffer[i][a] = (buffer[i][a + copy_size] * 32767);
-
- if(i == (asset->channels - 1))
- audio_sample_buffer_end = len - copy_size;
- }
- }
-
- audio_sample_buffer_len += len;
-
- return 0;
-}
-
-int FileDV::write_samples(double **buffer, int64_t len)
-{
- if(audio_samples_copy(buffer, len) != 0)
- {
- eprintf(_("Unable to store sample"));
- return 1;
- }
- video_position_lock->lock("FileDV::write_samples");
-
-TRACE("FileDV::write_samples 200")
- // Get number of frames to be written. Order of operations is important here;
- // the buffer length must be multiplied by the frame rate first in case the
- // number of samples in the buffer is less than the sample rate.
- int nFrames = MIN(video_position - audio_frames_written,
- audio_sample_buffer_len * asset->frame_rate / asset->sample_rate);
-
- video_position_lock->unlock();
-
-TRACE("FileDV::write_samples 210")
-
- int16_t **tmp_buf = new int16_t*[asset->channels];
- for(int a = 0; a < asset->channels; a++)
- tmp_buf[a] = new int16_t[asset->sample_rate];
-
-TRACE("FileDV::write_samples 220")
-
- for(int i = 0; i < nFrames; i++)
- {
- stream_lock->lock("FileDV::write_samples 10");
- if(fseeko(stream, (off_t) audio_frames_written * output_size, SEEK_SET) != 0)
- {
- eprintf(_("Unable to set audio write position to %ji\n"), (off_t) audio_frames_written * output_size);
-
- stream_lock->unlock();
- return 1;
- }
-
- if(fread(audio_buffer, output_size, 1, stream) != 1)
- {
- eprintf(_("Unable to read from audio buffer file\n"));
- stream_lock->unlock();
- return 1;
- }
-
- stream_lock->unlock();
-
-
-
-TRACE("FileDV::write_samples 230")
-
- int samples = dv_calculate_samples(audio_encoder, asset->sample_rate,
- audio_frames_written);
-
- if(samples > audio_sample_buffer_maxsize - 1 - audio_sample_buffer_start)
- {
-TRACE("FileDV::write_samples 240")
- int copy_size = audio_sample_buffer_maxsize - audio_sample_buffer_start - 1;
-
- for(int a = 0; a < asset->channels; a++)
- {
- memcpy(tmp_buf[a], audio_sample_buffer[a] + audio_sample_buffer_start,
- copy_size * sizeof(int16_t));
- memcpy(tmp_buf[a] + copy_size, audio_sample_buffer[a],
- (samples - copy_size) * sizeof(int16_t));
- }
-TRACE("FileDV::write_samples 250")
- // Encode the audio into the frame
- if(dv_encode_full_audio(audio_encoder, tmp_buf, asset->channels,
- asset->sample_rate, audio_buffer) < 0)
- {
- eprintf(_("ERROR: unable to encode audio frame %d\n"), audio_frames_written);
- }
- }
- else
- {
-TRACE("FileDV::write_samples 260")
- int16_t **tmp_buf2 = new int16_t*[asset->channels];
- for(int a = 0; a < asset->channels; a++)
- tmp_buf2[a] = audio_sample_buffer[a] + audio_sample_buffer_start;
- if(dv_encode_full_audio(audio_encoder, tmp_buf2,
- asset->channels, asset->sample_rate, audio_buffer) < 0)
- {
- eprintf(_("ERROR: unable to encode audio frame %d\n"), audio_frames_written);
-
- }
- delete[] tmp_buf2;
- }
-
-TRACE("FileDV::write_samples 270")
-
- stream_lock->lock("FileDV::write_samples 20");
- if(fseeko(stream, (off_t) audio_frames_written * output_size, SEEK_SET) != 0)
- {
- eprintf(_("ERROR: Unable to relocate for audio write to %ji\n"), (off_t) audio_frames_written * output_size);
- stream_lock->unlock();
- return 1;
- }
-
- if(fwrite(audio_buffer, output_size, 1, stream) != 1)
- {
- eprintf(_("Unable to write audio to audio buffer\n"));
- stream_lock->unlock();
- return 1;
- }
-
- stream_lock->unlock();
-
- audio_frames_written++;
- audio_sample_buffer_len -= samples;
- audio_sample_buffer_start += samples;
- if(audio_sample_buffer_start >= audio_sample_buffer_maxsize)
- audio_sample_buffer_start -= audio_sample_buffer_maxsize;
- }
-
-TRACE("FileDV::write_samples 280")
-
- for(int a = 0; a < asset->channels; a++)
- delete[] tmp_buf[a];
- delete[] tmp_buf;
-
-TRACE("FileDV::write_samples 290")
-
-
-UNTRACE
-
- return 0;
-}
-
-int FileDV::write_frames(VFrame ***frames, int len)
-{
- int result = 0;
-
- if(stream == 0) return 1;
-
- for(int j = 0; j < len && !result; j++)
- {
- VFrame *temp_frame = frames[0][j];
-
-//printf("FileDV::write_frames: color_model %i\n", temp_frame->get_color_model());
- switch(temp_frame->get_color_model())
- {
- case BC_COMPRESSED:
- memcpy(video_buffer, temp_frame->get_data(), output_size);
- break;
- case BC_YUV422:
-//printf("FileDV::write_frames: 4\n");
- dv_encode_full_frame(encoder, temp_frame->get_rows(),
- e_dv_color_yuv, video_buffer);
- break;
- case BC_RGB888:
-//printf("FileDV::write_frames: 5\n");
- dv_encode_full_frame(encoder, temp_frame->get_rows(),
- e_dv_color_rgb, video_buffer);
- break;
- default:
- unsigned char *data = new unsigned char[asset->height * asset->width * 2];
- unsigned char **cmodel_buf = new unsigned char *[asset->height];
-//printf("FileDV::write_frames: 6\n");
- unsigned char **row_pointers = temp_frame->get_rows();
- for(int i = 0; i < asset->height; i++)
- cmodel_buf[i] = data + asset->width * 2 * i;
-
- BC_CModels::transfer(cmodel_buf,
- row_pointers,
- cmodel_buf[0],
- cmodel_buf[1],
- cmodel_buf[2],
- row_pointers[0],
- row_pointers[1],
- row_pointers[2],
- 0,
- 0,
- asset->width,
- asset->height,
- 0,
- 0,
- asset->width,
- asset->height,
- temp_frame->get_color_model(),
- BC_YUV422,
- 0,
- asset->width,
- asset->width);
-
- dv_encode_full_frame(encoder, cmodel_buf,
- e_dv_color_yuv, video_buffer);
-
- delete[] cmodel_buf;
- delete[] data;
- break;
- }
-//printf("FileDV::write_frames: 7\n");
-
- // This is the only thread that modifies video_position,
- // so video_position_lock can remain unlocked for reads.
- stream_lock->lock("FileDV::write_frames");
- if(fseeko(stream, (off_t) video_position * output_size, SEEK_SET) != 0)
- {
- eprintf(_("Unable to seek file to %ji\n"), (off_t)(video_position * output_size));
- }
- if(fwrite(video_buffer, output_size, 1, stream) < 1)
- {
- eprintf(_("Unable to write video data to video buffer"));
- }
- stream_lock->unlock();
-
- video_position_lock->lock();
- video_position++;
- video_position_lock->unlock();
- }
-
- return 0;
-}
-
-int FileDV::read_compressed_frame(VFrame *buffer)
-{
- int64_t result;
- if(stream == 0) return 0;
-
- if (fseeko(stream, (off_t) video_position * output_size, SEEK_SET))
- {
- eprintf(_("Unable to seek file to %ji\n"), (off_t)(video_position * output_size));
- }
- result = fread(buffer->get_data(), output_size, 1, stream);
- video_position++;
-
- buffer->set_compressed_size(result);
-
- return result != 0;
-}
-
-int FileDV::write_compressed_frame(VFrame *buffer)
-{
- int result = 0;
- if(stream == 0) return 0;
-
- if (fseeko(stream, (off_t) video_position * output_size, SEEK_SET))
- {
- eprintf(_("Unable to seek file to %ji\n"), (off_t)(video_position * output_size));
- }
- result = fwrite(buffer->get_data(), buffer->get_compressed_size(), 1, stream);
- video_position++;
- return result != 0;
-}
-
-int64_t FileDV::compressed_frame_size()
-{
- return output_size;
-}
-
-int FileDV::read_samples(double *buffer, int64_t len)
-{
- int count = 0;
- int result = 0;
- int frame_count = get_audio_frame(audio_position);
- int offset = get_audio_offset(audio_position);
-
- stream_lock->lock("FileDV::read_samples");
- if(stream == 0)
- {
- stream_lock->unlock();
- return 1;
- }
- stream_lock->unlock();
-
- // If the sample rate is 32 kHz, and the bitsize is 12, libdv
- // requires we have space allocated for 4 channels even if
- // the data only contains two channels.
-
- // decoder will exist since it is not free'd after open_file
- int channels = (asset->sample_rate == 32000 && decoder->audio->quantization == 12) ? 4 : 2;
-
- int16_t **out_buffer = new int16_t*[channels];
- for(int i = 0; i < channels; i++)
- out_buffer[i] = new int16_t[DV_AUDIO_MAX_SAMPLES];
-
- while(count < len)
- {
- stream_lock->lock();
-
- if(fseeko(stream, (off_t) frame_count * output_size, SEEK_SET) != 0)
- {
- stream_lock->unlock();
- result = 1;
- break;
- }
-
- if(fread(audio_buffer, output_size, 1, stream) < 1)
- {
- stream_lock->unlock();
- result = 1;
- break;
- }
-
- stream_lock->unlock();
-
- frame_count++;
-
- decoder_lock->lock("FileDV::read_samples");
-
- if(dv_decode_full_audio(decoder, audio_buffer, out_buffer) < 0)
- {
- eprintf(_("Error decoding audio frame %d\n"), frame_count - 1);
- }
-
- int end = dv_get_num_samples(decoder);
- decoder_lock->unlock();
-
- if(len - count + offset < end)
- end = len - count + offset;
-
- for(int i = offset; i < end; i++)
- buffer[count++] = out_buffer[file->current_channel][i] / 32767.0;
-
- offset = 0;
- }
-
- for(int i = 0; i < channels; i++)
- delete[] out_buffer[i];
- delete[] out_buffer;
-
- audio_position += len;
-
- return result;
-}
-
-int FileDV::read_frame(VFrame *frame)
-{
- if(stream == 0) return 1;
- int pitches[3] = {720 * 2, 0, 0};
-
-TRACE("FileDV::read_frame 1")
- unsigned char **row_pointers = frame->get_rows();
-
-
-TRACE("FileDV::read_frame 10")
-
- // Seek to video position
- stream_lock->lock("FileDV::read_frame");
- if(fseeko(stream, (off_t) video_position * output_size, SEEK_SET) < 0)
- {
- eprintf(_("Unable to seek file to %ji"), (off_t)(video_position * output_size));
- stream_lock->unlock();
- return 1;
- }
- fread(video_buffer, output_size, 1, stream);
- stream_lock->unlock();
- video_position++;
-
-
-TRACE("FileDV::read_frame 20")
-
- switch(frame->get_color_model())
- {
- case BC_COMPRESSED:
-
-TRACE("FileDV::read_frame 30")
-
- frame->allocate_compressed_data(output_size);
- frame->set_compressed_size(output_size);
- memcpy(frame->get_data(), video_buffer, output_size);
- break;
- case BC_RGB888:
-
-TRACE("FileDV::read_frame 40")
-
- pitches[0] = 720 * 3;
- decoder_lock->lock("FileDV::read_frame 10");
- dv_decode_full_frame(decoder, video_buffer, e_dv_color_rgb,
- row_pointers, pitches);
- decoder_lock->unlock();
- break;
- case BC_YUV422:
-TRACE("FileDV::read_frame 50")
- decoder_lock->lock("FileDV::read_frame 20");
- dv_decode_full_frame(decoder, video_buffer, e_dv_color_yuv,
- row_pointers, pitches);
- decoder_lock->unlock();
- break;
-
- default:
- unsigned char *data = new unsigned char[asset->height * asset->width * 2];
- unsigned char **temp_pointers = new unsigned char*[asset->height];
-
- for(int i = 0; i < asset->height; i++)
- temp_pointers[i] = data + asset->width * 2 * i;
-
-
-TRACE("FileDV::read_frame 69")
-
- decoder_lock->lock("FileDV::read_frame 30");
- dv_decode_full_frame(decoder, video_buffer, e_dv_color_yuv,
- temp_pointers, pitches);
- decoder_lock->unlock();
-
-TRACE("FileDV::read_frame 70")
-
- BC_CModels::transfer(row_pointers,
- temp_pointers,
- row_pointers[0],
- row_pointers[1],
- row_pointers[2],
- temp_pointers[0],
- temp_pointers[1],
- temp_pointers[2],
- 0,
- 0,
- asset->width,
- asset->height,
- 0,
- 0,
- asset->width,
- asset->height,
- BC_YUV422,
- frame->get_color_model(),
- 0,
- asset->width,
- asset->width);
-
- //for(int i = 0; i < asset->height; i++)
- // delete[] temp_pointers[i];
- delete[] temp_pointers;
- delete[] data;
-
-
- break;
- }
-
-TRACE("FileDV::read_frame 80")
-
-UNTRACE
-
- return 0;
-}
-
-int FileDV::colormodel_supported(int colormodel)
-{
- return colormodel;
-}
-
-int FileDV::can_copy_from(Edit *edit, int64_t position)
-{
- if(edit->asset->format == FILE_RAWDV)
- return 1;
-
- return 0;
-}
-
-int FileDV::get_best_colormodel(Asset *asset, int driver)
-{
- switch(driver)
- {
- case PLAYBACK_X11:
- return BC_RGB888;
- break;
- case PLAYBACK_X11_XV:
- return BC_YUV422;
- break;
- case PLAYBACK_DV1394:
- case PLAYBACK_FIREWIRE:
- return BC_COMPRESSED;
- break;
- case PLAYBACK_LML:
- case PLAYBACK_BUZ:
- return BC_YUV422P;
- break;
- case VIDEO4LINUX:
- case VIDEO4LINUX2:
- case CAPTURE_BUZ:
- case CAPTURE_LML:
- case VIDEO4LINUX2JPEG:
- return BC_YUV422;
- break;
- case CAPTURE_FIREWIRE:
- return BC_COMPRESSED;
- break;
- }
- return BC_RGB888;
-}
-
-int FileDV::get_audio_frame(int64_t pos)
-{
- return (double) pos * asset->frame_rate / asset->sample_rate;
-}
-
-// Get the sample offset from the frame start reported by get_audio_frame
-int FileDV::get_audio_offset(int64_t pos)
-{
- int frame = get_audio_frame(pos);
-
- // Samples needed from last frame
- return pos - frame * asset->sample_rate / asset->frame_rate;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-DVConfigAudio::DVConfigAudio(BC_WindowBase *parent_window, Asset *asset)
- : BC_Window(_(PROGRAM_NAME ": Audio Compression"),
- parent_window->get_abs_cursor_x(1),
- parent_window->get_abs_cursor_y(1),
- 350,
- 250)
-{
- this->parent_window = parent_window;
- this->asset = asset;
-}
-
-DVConfigAudio::~DVConfigAudio()
-{
-
-}
-
-void DVConfigAudio::create_objects()
-{
- add_tool(new BC_Title(10, 10, _("There are no audio options for this format")));
- add_subwindow(new BC_OKButton(this));
-}
-
-int DVConfigAudio::close_event()
-{
- set_done(0);
- return 1;
-}
-
-
-
-
-
-
-DVConfigVideo::DVConfigVideo(BC_WindowBase *parent_window, Asset *asset)
- : BC_Window(_(PROGRAM_NAME ": Video Compression"),
- parent_window->get_abs_cursor_x(1),
- parent_window->get_abs_cursor_y(1),
- 350,
- 250)
-{
- this->parent_window = parent_window;
- this->asset = asset;
-}
-
-DVConfigVideo::~DVConfigVideo()
-{
-
-}
-
-void DVConfigVideo::create_objects()
-{
- add_tool(new BC_Title(10, 10, _("There are no video options for this format")));
- add_subwindow(new BC_OKButton(this));
-}
-
-int DVConfigVideo::close_event()
-{
- set_done(0);
- return 1;
-}
projects / goodguy / history.git / blobdiff