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