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/*
* extract_avi.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.
*
*/
#include "transcode.h"
#include "tcinfo.h"
#include "libtc/libtc.h"
#include "libtc/ratiocodes.h"
#include "ioaux.h"
#include "avilib/avilib.h"
#include "tc.h"
/* ------------------------------------------------------------
*
* avi extract thread
*
* ------------------------------------------------------------*/
void extract_avi(info_t *ipipe)
{
// seek to vob_offset?
AVI_dump(ipipe->name, ipipe->select);
}
void probe_avi(info_t *ipipe)
{
avi_t *avifile=NULL;
char *codec=NULL;
int j, tracks;
// scan file
if (ipipe->nav_seek_file) {
if(NULL == (avifile = AVI_open_indexfd(ipipe->fd_in,0,ipipe->nav_seek_file))) {
AVI_print_error("AVI open");
return;
}
} else {
if(NULL == (avifile = AVI_open_fd(ipipe->fd_in,1))) {
AVI_print_error("AVI open");
return;
}
}
ipipe->probe_info->frames = AVI_video_frames(avifile);
ipipe->probe_info->width = AVI_video_width(avifile);
ipipe->probe_info->height = AVI_video_height(avifile);
ipipe->probe_info->fps = AVI_frame_rate(avifile);
tracks = AVI_audio_tracks(avifile);
//FIXME: check for max tracks suported
for(j=0; j<tracks; ++j) {
AVI_set_audio_track(avifile, j);
ipipe->probe_info->track[j].samplerate = AVI_audio_rate(avifile);
ipipe->probe_info->track[j].chan = AVI_audio_channels(avifile);
ipipe->probe_info->track[j].bits = AVI_audio_bits(avifile);
ipipe->probe_info->track[j].format = AVI_audio_format(avifile);
ipipe->probe_info->track[j].bitrate = AVI_audio_mp3rate(avifile);
ipipe->probe_info->track[j].padrate = AVI_audio_padrate(avifile);
ipipe->probe_info->track[j].tid=j;
if(ipipe->probe_info->track[j].chan>0) ++ipipe->probe_info->num_tracks;
}
codec = AVI_video_compressor(avifile);
//check for supported codecs
if(codec!=NULL) {
if(strlen(codec)==0) {
ipipe->probe_info->codec=TC_CODEC_RGB;
} else {
if(strcasecmp(codec,"dvsd")==0)
ipipe->probe_info->codec=TC_CODEC_DV;
if(strcasecmp(codec,"UYVY")==0)
ipipe->probe_info->codec=TC_CODEC_UYVY;
if(strcasecmp(codec,"DIV3")==0)
ipipe->probe_info->codec=TC_CODEC_DIVX3;
if(strcasecmp(codec,"MP42")==0)
ipipe->probe_info->codec=TC_CODEC_MP42;
if(strcasecmp(codec,"MP43")==0)
ipipe->probe_info->codec=TC_CODEC_MP43;
if(strcasecmp(codec,"DIVX")==0)
ipipe->probe_info->codec=TC_CODEC_DIVX4;
if(strcasecmp(codec,"DX50")==0)
ipipe->probe_info->codec=TC_CODEC_DIVX5;
if(strcasecmp(codec,"XVID")==0)
ipipe->probe_info->codec=TC_CODEC_XVID;
if(strcasecmp(codec,"MJPG")==0)
ipipe->probe_info->codec=TC_CODEC_MJPEG;
if(strcasecmp(codec,"RV10")==0)
ipipe->probe_info->codec=TC_CODEC_RV10;
if(strcasecmp(codec,"MPG1")==0)
ipipe->probe_info->codec=TC_CODEC_MPEG1VIDEO;
if(strcasecmp(codec,"LZO1")==0)
ipipe->probe_info->codec=TC_CODEC_LZO1;
if(strcasecmp(codec,"LZO2")==0)
ipipe->probe_info->codec=TC_CODEC_LZO2;
if(strcasecmp(codec,"FPS1")==0)
ipipe->probe_info->codec=TC_CODEC_FRAPS;
if(strcasecmp(codec,"ASV1")==0)
ipipe->probe_info->codec=TC_CODEC_ASV1;
if(strcasecmp(codec,"ASV2")==0)
ipipe->probe_info->codec=TC_CODEC_ASV2;
if(strcasecmp(codec,"FFV1")==0)
ipipe->probe_info->codec=TC_CODEC_FFV1;
if(strcasecmp(codec,"H264")==0
|| strcasecmp(codec,"X264")==0
|| strcasecmp(codec,"avc1")==0)
ipipe->probe_info->codec=TC_CODEC_H264;
}
} else
ipipe->probe_info->codec=TC_CODEC_UNKNOWN;
ipipe->probe_info->magic=TC_MAGIC_AVI;
tc_frc_code_from_value(&(ipipe->probe_info->frc),
ipipe->probe_info->fps);
}