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119 lines
2.9 KiB
119 lines
2.9 KiB
4 years ago
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/*
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* probe_bktr.c
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*
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* Copyright (C) Jacob Meuser - December 2004
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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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#ifdef HAVE_BKTR
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#include <sys/ioctl.h>
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#ifdef HAVE_DEV_IC_BT8XX_H
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#include <dev/ic/bt8xx.h>
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#endif
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#ifdef HAVE_DEV_BKTR_IOCTL_BT848_H
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#include <dev/bktr/ioctl_meteor.h>
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#include <dev/bktr/ioctl_bt848.h>
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#endif
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#ifdef HAVE_MACHINE_IOCTL_BT848_H
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#include <machine/ioctl_meteor.h>
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#include <machine/ioctl_bt848.h>
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#endif
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void
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probe_bktr(info_t * ipipe)
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{
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struct bktr_capture_area caparea;
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unsigned short status, fps;
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close(ipipe->fd_in);
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ipipe->fd_in = open(ipipe->name, O_RDONLY, 0);
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if (ipipe->fd_in < 0) {
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tc_log_error(__FILE__, "cannot open device: %s", strerror(errno));
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goto error;
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}
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/* try a bktr ioctl */
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if (ipipe->verbose & TC_DEBUG)
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tc_log_msg(__FILE__, "checking if bktr ioctls are supported...");
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if (ioctl(ipipe->fd_in, METEORSTATUS, &status) < 0) {
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if (ipipe->verbose & TC_DEBUG)
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tc_log_msg(__FILE__, "... no");
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goto error;
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} else {
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if (ipipe->verbose & TC_DEBUG)
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tc_log_msg(__FILE__, "... yes");
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}
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if (ioctl(ipipe->fd_in, BT848_GCAPAREA, &caparea) < 0) {
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tc_log_perror(__FILE__, "BT848_GCAPAREA");
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goto error;
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}
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ipipe->probe_info->width = caparea.x_size;
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ipipe->probe_info->height = caparea.y_size;
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if (ioctl(ipipe->fd_in, METEORGFPS, &fps) < 0) {
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tc_log_perror(__FILE__, "METEORGFPS");
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goto error;
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}
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ipipe->probe_info->fps = fps;
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switch(fps) {
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case 30:
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ipipe->probe_info->frc = 4;
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break;
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case 25:
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ipipe->probe_info->frc = 3;
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break;
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default:
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break;
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}
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ipipe->probe_info->magic = TC_MAGIC_BKTR_VIDEO;
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return;
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error:
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ipipe->error = 1;
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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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return;
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}
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#else /* HAVE_BKTR */
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void
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probe_bktr(info_t * ipipe)
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{
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tc_log_error(__FILE__, "No support for bktr 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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