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165 lines
4.4 KiB
165 lines
4.4 KiB
/*
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* extract_avi.c
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*
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* Copyright (C) Thomas Oestreich - June 2001
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*
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* This file is part of transcode, a video stream processing tool
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*
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* transcode is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* transcode is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include "transcode.h"
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#include "tcinfo.h"
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#include "libtc/libtc.h"
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#include "libtc/ratiocodes.h"
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#include "ioaux.h"
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#include "avilib/avilib.h"
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#include "tc.h"
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/* ------------------------------------------------------------
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*
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* avi extract thread
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*
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* ------------------------------------------------------------*/
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void extract_avi(info_t *ipipe)
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{
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// seek to vob_offset?
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AVI_dump(ipipe->name, ipipe->select);
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}
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void probe_avi(info_t *ipipe)
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{
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avi_t *avifile=NULL;
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char *codec=NULL;
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int j, tracks;
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// scan file
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if (ipipe->nav_seek_file) {
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if(NULL == (avifile = AVI_open_indexfd(ipipe->fd_in,0,ipipe->nav_seek_file))) {
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AVI_print_error("AVI open");
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return;
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}
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} else {
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if(NULL == (avifile = AVI_open_fd(ipipe->fd_in,1))) {
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AVI_print_error("AVI open");
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return;
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}
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}
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ipipe->probe_info->frames = AVI_video_frames(avifile);
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ipipe->probe_info->width = AVI_video_width(avifile);
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ipipe->probe_info->height = AVI_video_height(avifile);
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ipipe->probe_info->fps = AVI_frame_rate(avifile);
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tracks = AVI_audio_tracks(avifile);
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//FIXME: check for max tracks suported
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for(j=0; j<tracks; ++j) {
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AVI_set_audio_track(avifile, j);
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ipipe->probe_info->track[j].samplerate = AVI_audio_rate(avifile);
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ipipe->probe_info->track[j].chan = AVI_audio_channels(avifile);
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ipipe->probe_info->track[j].bits = AVI_audio_bits(avifile);
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ipipe->probe_info->track[j].format = AVI_audio_format(avifile);
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ipipe->probe_info->track[j].bitrate = AVI_audio_mp3rate(avifile);
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ipipe->probe_info->track[j].padrate = AVI_audio_padrate(avifile);
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ipipe->probe_info->track[j].tid=j;
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if(ipipe->probe_info->track[j].chan>0) ++ipipe->probe_info->num_tracks;
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}
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codec = AVI_video_compressor(avifile);
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//check for supported codecs
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if(codec!=NULL) {
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if(strlen(codec)==0) {
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ipipe->probe_info->codec=TC_CODEC_RGB;
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} else {
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if(strcasecmp(codec,"dvsd")==0)
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ipipe->probe_info->codec=TC_CODEC_DV;
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if(strcasecmp(codec,"UYVY")==0)
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ipipe->probe_info->codec=TC_CODEC_UYVY;
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if(strcasecmp(codec,"DIV3")==0)
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ipipe->probe_info->codec=TC_CODEC_DIVX3;
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if(strcasecmp(codec,"MP42")==0)
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ipipe->probe_info->codec=TC_CODEC_MP42;
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if(strcasecmp(codec,"MP43")==0)
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ipipe->probe_info->codec=TC_CODEC_MP43;
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if(strcasecmp(codec,"DIVX")==0)
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ipipe->probe_info->codec=TC_CODEC_DIVX4;
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if(strcasecmp(codec,"DX50")==0)
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ipipe->probe_info->codec=TC_CODEC_DIVX5;
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if(strcasecmp(codec,"XVID")==0)
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ipipe->probe_info->codec=TC_CODEC_XVID;
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if(strcasecmp(codec,"MJPG")==0)
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ipipe->probe_info->codec=TC_CODEC_MJPEG;
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if(strcasecmp(codec,"RV10")==0)
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ipipe->probe_info->codec=TC_CODEC_RV10;
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if(strcasecmp(codec,"MPG1")==0)
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ipipe->probe_info->codec=TC_CODEC_MPEG1VIDEO;
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if(strcasecmp(codec,"LZO1")==0)
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ipipe->probe_info->codec=TC_CODEC_LZO1;
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if(strcasecmp(codec,"LZO2")==0)
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ipipe->probe_info->codec=TC_CODEC_LZO2;
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if(strcasecmp(codec,"FPS1")==0)
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ipipe->probe_info->codec=TC_CODEC_FRAPS;
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if(strcasecmp(codec,"ASV1")==0)
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ipipe->probe_info->codec=TC_CODEC_ASV1;
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if(strcasecmp(codec,"ASV2")==0)
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ipipe->probe_info->codec=TC_CODEC_ASV2;
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if(strcasecmp(codec,"FFV1")==0)
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ipipe->probe_info->codec=TC_CODEC_FFV1;
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if(strcasecmp(codec,"H264")==0
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|| strcasecmp(codec,"X264")==0
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|| strcasecmp(codec,"avc1")==0)
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ipipe->probe_info->codec=TC_CODEC_H264;
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}
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} else
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ipipe->probe_info->codec=TC_CODEC_UNKNOWN;
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ipipe->probe_info->magic=TC_MAGIC_AVI;
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tc_frc_code_from_value(&(ipipe->probe_info->frc),
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ipipe->probe_info->fps);
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}
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