/*
NAME
  RTMPWrapper.c

DESCRIPTION
  See Readme.md

AUTHOR
  Saxon Nelson-Milton <saxon@ausocean.org>

LICENSE
  RTMPWrapper.c is Copyright (C) 2017 the Australian Ocean Lab (AusOcean)

  It is free software: you can redistribute it and/or modify them
  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.

  It 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 revid in gpl.txt.  If not, see [GNU licenses](http://www.gnu.org/licenses).
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "rtmp_c/librtmp/rtmp_sys.h"
#include "rtmp_c/librtmp/log.h"
#include "rtmp_c/librtmp/rtmp.h"

static RTMP* rtmp = NULL;

unsigned int RTMP_start_session(char* url, uint connect_timeout){
  printf("RTMP url: %s\n", url);
  rtmp = RTMP_Alloc();
  RTMP_Init(rtmp);
  rtmp->Link.timeout = connect_timeout;
  if (!RTMP_SetupURL(rtmp, url)) {
    printf("Can't setup url!\n");
    RTMP_Close(rtmp);
      RTMP_Free(rtmp);
      return 0;
  }

  RTMP_EnableWrite(rtmp);
  RTMP_SetBufferMS(rtmp, 3600 * 1000);
  if (!RTMP_Connect(rtmp, NULL)) {
    printf("RTMP can't connect!\n");
    RTMP_Close(rtmp);
      RTMP_Free(rtmp);
      return 0;
  }

  if (!RTMP_ConnectStream(rtmp, 0)) {
    printf("RTMP can't connect stream!\n");
      RTMP_Close(rtmp);
      RTMP_Free(rtmp);
      return 0;
  }
  return 1;
}

unsigned int RTMP_write_frame(char* data, uint data_length){
  if (!RTMP_IsConnected(rtmp)) {
    printf("RTMP is not connected!\n");
      return 0;
  }
  if (!RTMP_Write(rtmp, (const char*)data, data_length)) {
    printf("RTMP write error!\n");
      return 0;
  }
  return 1;
}

unsigned int RTMP_end_session(){
  if (rtmp != NULL) {
      RTMP_Close(rtmp);
      RTMP_Free(rtmp);
      rtmp = NULL;
      return 1;
  } else {
    printf("Tried to end RTMP session, but not allocated yet!\n");
    return 0;
  }
}