/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2013-2018 Winlin
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "../../objs/include/srs_librtmp.h"

int main(int argc, char** argv)
{
    printf("publish rtmp stream to server like FMLE/FFMPEG/Encoder\n");
    printf("srs(ossrs) client librtmp library.\n");
    printf("version: %d.%d.%d\n", srs_version_major(), srs_version_minor(), srs_version_revision());
    
    if (argc <= 1) {
        printf("Usage: %s <rtmp_url>\n"
            "   rtmp_url     RTMP stream url to publish\n"
            "For example:\n"
            "   %s rtmp://127.0.0.1:1935/live/livestream\n",
            argv[0], argv[0]);
        exit(-1);
    }
    
    // warn it .
    // @see: https://github.com/ossrs/srs/issues/126
    srs_human_trace("\033[33m%s\033[0m",
        "[warning] it's only a sample to use librtmp. "
        "please never use it to publish and test forward/transcode/edge/HLS whatever. "
        "you should refer to this tool to use the srs-librtmp to publish the real media stream."
        "read about: https://github.com/ossrs/srs/issues/126");
    srs_human_trace("rtmp url: %s", argv[1]);
    srs_rtmp_t rtmp = srs_rtmp_create(argv[1]);
    
    if (srs_rtmp_handshake(rtmp) != 0) {
        srs_human_trace("simple handshake failed.");
        goto rtmp_destroy;
    }
    srs_human_trace("simple handshake success");
    
    if (srs_rtmp_connect_app(rtmp) != 0) {
        srs_human_trace("connect vhost/app failed.");
        goto rtmp_destroy;
    }
    srs_human_trace("connect vhost/app success");
    
    if (srs_rtmp_publish_stream(rtmp) != 0) {
        srs_human_trace("publish stream failed.");
        goto rtmp_destroy;
    }
    srs_human_trace("publish stream success");
    
    uint32_t timestamp = 0;
    for (;;) {
        char type = SRS_RTMP_TYPE_VIDEO;
        int size = 4096;
        char* data = (char*)malloc(4096);
        
        timestamp += 40;
        
        if (srs_rtmp_write_packet(rtmp, type, timestamp, data, size) != 0) {
            goto rtmp_destroy;
        }
        srs_human_trace("sent packet: type=%s, time=%d, size=%d", srs_human_flv_tag_type2string(type), timestamp, size);
        
        usleep(40 * 1000);
    }
    
rtmp_destroy:
    srs_rtmp_destroy(rtmp);
    
    return 0;
}