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encoders subdir

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Devaev Maxim
2019-03-04 15:29:11 +03:00
parent 924665c1a3
commit b2ca0ea998
14 changed files with 23 additions and 25 deletions
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58
src/encoders/hw/encoder.c Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 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 <string.h>
#include <assert.h>
#include <linux/videodev2.h>
#include "../../tools.h"
#include "../../logging.h"
#include "../../xioctl.h"
#include "../../device.h"
int hw_encoder_prepare_live(struct device_t *dev, unsigned quality) {
struct v4l2_jpegcompression comp;
MEMSET_ZERO(comp);
if (xioctl(dev->run->fd, VIDIOC_G_JPEGCOMP, &comp) < 0) {
LOG_ERROR("Can't query HW JPEG encoder params and set quality (unsupported)");
return -1;
}
comp.quality = quality;
if (xioctl(dev->run->fd, VIDIOC_S_JPEGCOMP, &comp) < 0) {
LOG_ERROR("Can't set HW JPEG encoder quality (unsopported)");
return -1;
}
return 0;
}
void hw_encoder_compress_buffer(struct device_t *dev, unsigned index) {
if (dev->run->format != V4L2_PIX_FMT_MJPEG && dev->run->format != V4L2_PIX_FMT_JPEG) {
assert(0 && "Unsupported input format for HW JPEG encoder");
}
assert(dev->run->pictures[index].allocated >= dev->run->hw_buffers[index].length);
memcpy(dev->run->pictures[index].data, dev->run->hw_buffers[index].start, dev->run->hw_buffers[index].length);
dev->run->pictures[index].size = dev->run->hw_buffers[index].length;
}

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src/encoders/hw/encoder.h Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 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 "../../device.h"
int hw_encoder_prepare_live(struct device_t *dev, unsigned quality);
void hw_encoder_compress_buffer(struct device_t *dev, unsigned index);