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107 lines
2.9 KiB
107 lines
2.9 KiB
/*
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* probe_bsdav.c
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*
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* Copyright (C) Jacob Meuser <jakemsr@jakemsr.com> - May 2005
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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_BSDAV
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#include <bsdav.h>
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void probe_bsdav(info_t *ipipe)
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{
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struct bsdav_stream_header strhdr;
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FILE *file;
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if ((file = fdopen(ipipe->fd_in, "r")) == NULL) {
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tc_log_error(__FILE__, "failed to fdopen bsdav stream");
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ipipe->error = 1;
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return;
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}
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/* read stream header */
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if (bsdav_read_stream_header(file, &strhdr) != 0) {
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tc_log_error(__FILE__, "failed to read bsdav stream header");
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ipipe->error = 1;
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return;
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}
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ipipe->probe_info->width = strhdr.vidwth;
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ipipe->probe_info->height = strhdr.vidhgt;
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ipipe->probe_info->track[0].samplerate = strhdr.audsrt;
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ipipe->probe_info->track[0].chan = strhdr.audchn;
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ipipe->probe_info->track[0].bits = bsdav_aud_fmts[strhdr.audfmt].bps;
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ipipe->probe_info->track[0].format = 0x1;
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ipipe->probe_info->magic = TC_MAGIC_BSDAV;
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switch (strhdr.vidfmt) {
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case BSDAV_VIDFMT_I420:
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ipipe->probe_info->codec = TC_CODEC_YUV420P;
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break;
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case BSDAV_VIDFMT_YUY2:
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ipipe->probe_info->codec = TC_CODEC_YUY2;
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break;
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case BSDAV_VIDFMT_UYVY:
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ipipe->probe_info->codec = TC_CODEC_UYVY;
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break;
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default:
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ipipe->probe_info->codec = TC_CODEC_UNKNOWN;
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break;
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}
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if (ipipe->probe_info->track[0].chan > 0)
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ipipe->probe_info->num_tracks = 1;
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if (fseek(file, 0, SEEK_SET) != 0) {
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tc_log_error(__FILE__, "failed to fseek bsdav stream");
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ipipe->error = 1;
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return;
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}
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ipipe->probe_info->fps = bsdav_probe_frame_rate(file,
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ipipe->factor * 1024 * 1024);
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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_BSDAV */
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void
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probe_bsdav(info_t * ipipe)
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{
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tc_log_error(__FILE__, "No support for bsdav compiled in");
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ipipe->probe_info->codec = TC_CODEC_UNKNOWN;
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ipipe->probe_info->magic = TC_MAGIC_UNKNOWN;
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}
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#endif
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