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70 lines
1.9 KiB
70 lines
1.9 KiB
/*
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* probe_nuv.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 "ioaux.h"
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#include "tc.h"
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#include "libtc/libtc.h"
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#include "nuv/nuppelvideo.h"
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void probe_nuv(info_t *ipipe)
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{
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int bytes;
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struct rtfileheader *rtf;
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if((rtf = tc_zalloc(sizeof(rtfileheader)))==NULL) {
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tc_log_error(__FILE__, "out of memory");
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ipipe->error=1;
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return;
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}
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// read min frame (NTSC)
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if((bytes=tc_pread(ipipe->fd_in, (uint8_t*) rtf, sizeof(rtfileheader)))
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!= sizeof(rtfileheader)) {
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tc_log_error(__FILE__, "end of stream");
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ipipe->error=1;
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return;
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}
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ipipe->probe_info->width = rtf->width;
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ipipe->probe_info->height = rtf->height;
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ipipe->probe_info->fps = rtf->fps;
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ipipe->probe_info->track[0].samplerate = 44100;
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ipipe->probe_info->track[0].chan = 2;
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ipipe->probe_info->track[0].bits = 16;
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ipipe->probe_info->track[0].format = 0x1;
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ipipe->probe_info->magic = TC_MAGIC_NUV;
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ipipe->probe_info->codec = TC_CODEC_NUV;
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if(ipipe->probe_info->track[0].chan>0) ipipe->probe_info->num_tracks=1;
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free(rtf);
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return;
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}
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