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/*
* probe_mov.c
*
* Copyright (C) Thomas Oestreich - Januray 2002
*
* 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 "ioaux.h"
#include "tc.h"
#include "libtc/libtc.h"
#include "libtc/ratiocodes.h"
#ifdef HAVE_LIBQUICKTIME
extern int binary_dump;
#include <quicktime.h>
void probe_mov(info_t *ipipe)
{
quicktime_t *qt_file=NULL;
char *codec=NULL;
int j, tracks;
/* open movie for video probe */
if(qt_file==NULL)
if(NULL == (qt_file = quicktime_open((char *)ipipe->name,1,0))){
tc_log_error(__FILE__,"can't open quicktime!");
ipipe->error=1;
return;
}
// extract audio parameters
tracks=quicktime_audio_tracks(qt_file);
if(tracks>TC_MAX_AUD_TRACKS) {
tc_log_warn(__FILE__, "only %d of %d audio tracks scanned",
TC_MAX_AUD_TRACKS, tracks);
tracks=TC_MAX_AUD_TRACKS;
}
for(j=0; j<tracks; ++j) {
ipipe->probe_info->track[j].samplerate = quicktime_sample_rate(qt_file, j);
ipipe->probe_info->track[j].chan = quicktime_track_channels(qt_file, j);
ipipe->probe_info->track[j].bits = quicktime_audio_bits(qt_file, j);
codec = quicktime_audio_compressor(qt_file, j);
if(strcasecmp(codec,QUICKTIME_RAW)==0 || strcasecmp(codec,QUICKTIME_TWOS)==0)
ipipe->probe_info->track[j].format = CODEC_PCM;
else if(strcasecmp(codec,QUICKTIME_IMA4)==0)
ipipe->probe_info->track[j].format = CODEC_IMA4;
else
/* XXX not right but works */
ipipe->probe_info->track[j].format = CODEC_PCM;
if (! binary_dump)
tc_log_info(__FILE__, "audio codec=%s", codec);
if(ipipe->probe_info->track[j].chan>0) ++ipipe->probe_info->num_tracks;
}
// read all video parameter from input file
ipipe->probe_info->width = quicktime_video_width(qt_file, 0);
ipipe->probe_info->height = quicktime_video_height(qt_file, 0);
ipipe->probe_info->fps = quicktime_frame_rate(qt_file, 0);
ipipe->probe_info->frames = quicktime_video_length(qt_file, 0);
codec = quicktime_video_compressor(qt_file, 0);
//check for supported codecs
if(codec!=NULL) {
if(strlen(codec)==0) {
ipipe->probe_info->codec=TC_CODEC_RGB;
} else {
if(strcasecmp(codec,QUICKTIME_DV)==0)
ipipe->probe_info->codec=TC_CODEC_DV;
if(strcasecmp(codec,"dvsd")==0)
ipipe->probe_info->codec=TC_CODEC_DV;
if(strcasecmp(codec,"DIV3")==0)
ipipe->probe_info->codec=TC_CODEC_DIVX3;
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,"MJPG")==0 || strcasecmp(codec,"JPEG")==0)
ipipe->probe_info->codec=TC_CODEC_MJPEG;
if(strcasecmp(codec,"YUV2")==0)
ipipe->probe_info->codec=TC_CODEC_YUV2;
if(strcasecmp(codec,"SVQ1")==0)
ipipe->probe_info->codec=TC_CODEC_SVQ1;
if(strcasecmp(codec,"SVQ3")==0)
ipipe->probe_info->codec=TC_CODEC_SVQ3;
}
} else
ipipe->probe_info->codec=TC_CODEC_UNKNOWN;
if (! binary_dump)
tc_log_info(__FILE__, "video codec=%s", codec);
ipipe->probe_info->magic=TC_MAGIC_MOV;
tc_frc_code_from_value(&(ipipe->probe_info->frc),
ipipe->probe_info->fps);
return;
}
#else // HAVE_LIBQUICKTIME
void probe_mov(info_t *ipipe)
{
tc_log_error(__FILE__, "no support for Quicktime compiled - exit.");
ipipe->error=1;
return;
}
#endif
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