mirror of
https://github.com/pikvm/ustreamer.git
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97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*****************************************************************************
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# #
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# uStreamer - Lightweight and fast MJPEG-HTTP streamer. #
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# #
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# Copyright (C) 2018-2024 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program 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 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program 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 this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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#include "file.h"
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us_output_file_s *us_output_file_init(const char *path, bool json) {
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us_output_file_s *out;
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US_CALLOC(out, 1);
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if (!strcmp(path, "-")) {
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US_LOG_INFO("Using output: <stdout>");
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out->fp = stdout;
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} else {
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US_LOG_INFO("Using output: %s", path);
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if ((out->fp = fopen(path, "wb")) == NULL) {
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US_LOG_PERROR("Can't open output file");
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goto error;
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}
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}
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out->json = json;
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return out;
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error:
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us_output_file_destroy(out);
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return NULL;
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}
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void us_output_file_write(void *v_out, const us_frame_s *frame) {
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us_output_file_s *out = v_out;
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if (out->json) {
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us_base64_encode(frame->data, frame->used, &out->base64_data, &out->base64_allocated);
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fprintf(
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out->fp,
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"{\"size\": %zu,"
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" \"width\": %u,"
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" \"height\": %u,"
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" \"format\": %u,"
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" \"stride\": %u,"
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" \"online\": %u,"
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" \"key\": %u,"
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" \"gop\": %u,"
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" \"grab_begin_ts\": %.3Lf,"
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" \"grab_end_ts\": %.3Lf,"
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" \"encode_begin_ts\": %.3Lf,"
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" \"encode_end_ts\": %.3Lf,"
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" \"data\": \"%s\"}\n",
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frame->used,
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frame->width,
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frame->height,
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frame->format,
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frame->stride,
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frame->online,
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frame->key,
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frame->gop,
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frame->grab_begin_ts,
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frame->grab_end_ts,
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frame->encode_begin_ts,
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frame->encode_end_ts,
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out->base64_data);
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} else {
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fwrite(frame->data, 1, frame->used, out->fp);
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}
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fflush(out->fp);
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}
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void us_output_file_destroy(void *v_out) {
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us_output_file_s *out = v_out;
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US_DELETE(out->base64_data, free);
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if (out->fp && out->fp != stdout) {
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if (fclose(out->fp) < 0) {
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US_LOG_PERROR("Can't close output file");
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}
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}
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free(out);
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}
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