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/*
* export_dv.c
*
* Copyright (C) Thomas Oestreich - June 2001
*
* This file is part of transcode, a video stream processing tool
*
* transcode 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, or (at your option)
* any later version.
*
* transcode 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#define MOD_NAME "export_dv.so"
#define MOD_VERSION "v0.5 (2003-07-24)"
#define MOD_CODEC "(video) Digital Video | (audio) MPEG/AC3/PCM"
#include "transcode.h"
#include "avilib/avilib.h"
#include "aud_aux.h"
#include "libtcvideo/tcvideo.h"
#include <stdio.h>
#include <stdlib.h>
#include <libdv/dv.h>
static int verbose_flag=TC_QUIET;
static int capability_flag=TC_CAP_PCM|TC_CAP_RGB|TC_CAP_YUV|TC_CAP_AC3;
#define MOD_PRE dv
#include "export_def.h"
static unsigned char *target; //[TC_FRAME_DV_PAL];
static avi_t *avifile=NULL;
static int frame_size=0, format=0;
static int dv_yuy2_mode=0;
static dv_encoder_t *encoder = NULL;
static unsigned char *pixels[3], *tmp_buf;
static TCVHandle tcvhandle;
/* ------------------------------------------------------------
*
* init codec
*
* ------------------------------------------------------------*/
MOD_init
{
if(param->flag == TC_VIDEO) {
target = tc_bufalloc(TC_FRAME_DV_PAL);
tcvhandle = tcv_init();
if(vob->dv_yuy2_mode == 1) {
tmp_buf = tc_bufalloc(PAL_W*PAL_H*2); //max frame
dv_yuy2_mode=1;
}
encoder = dv_encoder_new(FALSE, FALSE, FALSE);
return(TC_EXPORT_OK);
}
if(param->flag == TC_AUDIO) {
tc_log_warn(MOD_NAME, "Usage of this module for audio encoding is deprecated.");
tc_log_warn(MOD_NAME, "Consider switch to export_tcaud module.");
return(tc_audio_init(vob, verbose_flag));
}
// invalid flag
return(TC_EXPORT_ERROR);
}
/* ------------------------------------------------------------
*
* open outputfile
*
* ------------------------------------------------------------*/
MOD_open
{
// open out file
if(vob->avifile_out==NULL)
if(NULL == (vob->avifile_out = AVI_open_output_file(vob->video_out_file))) {
AVI_print_error("avi open error");
exit(TC_EXPORT_ERROR);
}
/* save locally */
avifile = vob->avifile_out;
if(param->flag == TC_VIDEO) {
AVI_set_video(vob->avifile_out, vob->ex_v_width, vob->ex_v_height, vob->ex_fps, "DVSD");
if (vob->avi_comment_fd>0)
AVI_set_comment_fd(vob->avifile_out, vob->avi_comment_fd);
switch(vob->im_v_codec) {
case CODEC_RGB:
format=0;
break;
case CODEC_YUV:
format=1;
break;
default:
tc_log_warn(MOD_NAME, "codec not supported");
return(TC_EXPORT_ERROR);
break;
}
// for reading
frame_size = (vob->ex_v_height==PAL_H) ? TC_FRAME_DV_PAL:TC_FRAME_DV_NTSC;
encoder->isPAL = (vob->ex_v_height==PAL_H);
encoder->is16x9 = FALSE;
encoder->vlc_encode_passes = 3;
encoder->static_qno = 0;
encoder->force_dct = DV_DCT_AUTO;
return(0);
}
if(param->flag == TC_AUDIO) return(tc_audio_open(vob, vob->avifile_out));
// invalid flag
return(TC_EXPORT_ERROR);
}
/* ------------------------------------------------------------
*
* encode and export
*
* ------------------------------------------------------------*/
MOD_encode
{
int key;
if(param->flag == TC_VIDEO) {
time_t now = time(NULL);
if(dv_yuy2_mode) {
tcv_convert(tcvhandle, param->buffer, tmp_buf, PAL_W,
(encoder->isPAL) ? PAL_H : NTSC_H, IMG_YUV420P, IMG_YUY2);
pixels[0] = pixels[1] = pixels[2] = tmp_buf;
} else {
pixels[0] = param->buffer;
if(encoder->isPAL) {
pixels[1] = pixels[0] + PAL_W*PAL_H;
pixels[2] = pixels[1] + (PAL_W/2)*(PAL_H/2);
} else {
pixels[1] = pixels[0] + NTSC_W*NTSC_H;
pixels[2] = pixels[1] + (NTSC_W/2)*(NTSC_H/2);
}
}
dv_encode_full_frame(encoder, pixels, (format)?e_dv_color_yuv:e_dv_color_rgb, target);
dv_encode_metadata(target, encoder->isPAL, encoder->is16x9, &now, 0);
dv_encode_timecode(target, encoder->isPAL, 0);
// write video
// only keyframes
key = 1;
//0.6.2: switch outfile on "r/R" and -J pv
//0.6.2: enforce auto-split at 2G (or user value) for normal AVI files
if((uint32_t)(AVI_bytes_written(avifile)+frame_size+16+8)>>20 >= tc_avi_limit) tc_outstream_rotate_request();
if(key) tc_outstream_rotate();
if(AVI_write_frame(avifile, target, frame_size, key)<0) {
AVI_print_error("avi video write error");
return(TC_EXPORT_ERROR);
}
return(0);
}
if(param->flag == TC_AUDIO) return(tc_audio_encode(param->buffer, param->size, avifile));
// invalid flag
return(TC_EXPORT_ERROR);
}
/* ------------------------------------------------------------
*
* stop encoder
*
* ------------------------------------------------------------*/
MOD_stop
{
if(param->flag == TC_VIDEO) {
dv_encoder_free(encoder);
tcv_free(tcvhandle);
return(0);
}
if(param->flag == TC_AUDIO) return(tc_audio_stop());
return(TC_EXPORT_ERROR);
}
/* ------------------------------------------------------------
*
* close outputfiles
*
* ------------------------------------------------------------*/
MOD_close
{
vob_t *vob = tc_get_vob();
if(param->flag == TC_AUDIO) return(tc_audio_close());
//outputfile
if(vob->avifile_out!=NULL) {
AVI_close(vob->avifile_out);
vob->avifile_out=NULL;
}
if(param->flag == TC_VIDEO) return(0);
return(TC_EXPORT_ERROR);
}
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