95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/*
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* Copyright (C) 2019 Rockchip Electronics Co., Ltd.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL), available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "uvc_encode.h"
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#include "uvc_video.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int uvc_encode_init(struct uvc_encode *e, int width, int height,int fcc)
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{
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printf("%s: width = %d, height = %d, fcc = %d\n", __func__, width, height,fcc);
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memset(e, 0, sizeof(*e));
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e->video_id = -1;
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e->width = -1;
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e->height = -1;
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e->width = width;
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e->height = height;
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e->fcc = fcc;
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if(fcc == V4L2_PIX_FMT_YUYV)
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return 0;
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return 0;
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}
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void uvc_encode_exit(struct uvc_encode *e)
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{
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e->video_id = -1;
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e->width = -1;
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e->height = -1;
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}
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bool uvc_encode_process(struct uvc_encode *e, void *virt, int fd, size_t size)
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{
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int ret = 0;
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unsigned int fcc;
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int width, height;
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int jpeg_quant;
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void* hnd = NULL;
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if (!uvc_get_user_run_state(e->video_id) || !uvc_buffer_write_enable(e->video_id))
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return false;
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uvc_get_user_resolution(&width, &height, e->video_id);
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fcc = uvc_get_user_fcc(e->video_id);
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switch (fcc) {
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case V4L2_PIX_FMT_YUYV:
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if (virt)
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uvc_buffer_write(0, NULL, 0, virt, width * height * 2, fcc, e->video_id);
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break;
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case V4L2_PIX_FMT_MJPEG:
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if (virt)
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uvc_buffer_write(0, NULL, 0, virt, size, fcc, e->video_id);
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break;
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case V4L2_PIX_FMT_H264:
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if (virt)
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uvc_buffer_write(0, NULL, 0, virt, size, fcc, e->video_id);
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break;
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default:
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printf("%s: not support fcc: %u\n", __func__, fcc);
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break;
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}
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return true;
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}
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