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refactoring

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This commit is contained in:
Maxim Devaev
2024-03-13 13:09:27 +02:00
parent 8ac2fa201b
commit f48695a04e
5 changed files with 42 additions and 43 deletions
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65
src/libs/tc358743.c Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPEG-HTTP streamer. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program 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 3 of the License, or #
# (at your option) any later version. #
# #
# This program 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 this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#include "tc358743.h"
#include <unistd.h>
#include <fcntl.h>
#include <linux/videodev2.h>
#include <linux/v4l2-controls.h>
#include "types.h"
#include "tools.h"
#include "xioctl.h"
#ifndef V4L2_CID_USER_TC358743_BASE
# define V4L2_CID_USER_TC358743_BASE (V4L2_CID_USER_BASE + 0x1080)
#endif
#ifndef TC358743_CID_AUDIO_PRESENT
# define TC358743_CID_AUDIO_PRESENT (V4L2_CID_USER_TC358743_BASE + 1)
#endif
#ifndef TC358743_CID_AUDIO_SAMPLING_RATE
# define TC358743_CID_AUDIO_SAMPLING_RATE (V4L2_CID_USER_TC358743_BASE + 0)
#endif
int us_tc358743_xioctl_get_audio_hz(int fd, uint *audio_hz) {
*audio_hz = 0;
struct v4l2_control ctl = {.id = TC358743_CID_AUDIO_PRESENT};
if (us_xioctl(fd, VIDIOC_G_CTRL, &ctl) < 0) {
return -1;
}
if (!ctl.value) {
return 0; // No audio
}
US_MEMSET_ZERO(ctl);
ctl.id = TC358743_CID_AUDIO_SAMPLING_RATE;
if (us_xioctl(fd, VIDIOC_G_CTRL, &ctl) < 0) {
return -2;
}
*audio_hz = ctl.value;
return 0;
}

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src/libs/tc358743.h Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPEG-HTTP streamer. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program 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 3 of the License, or #
# (at your option) any later version. #
# #
# This program 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 this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include "types.h"
int us_tc358743_xioctl_get_audio_hz(int fd, uint *audio_hz);