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