package com.pedro.rtsp.rtsp;

import com.pedro.rtsp.utils.RtpConstants;

/**
 * Created by pedro on 21/02/17.
 */

public class Body {

  /** supported sampleRates. **/
  private static final int[] AUDIO_SAMPLING_RATES = {
      96000, // 0
      88200, // 1
      64000, // 2
      48000, // 3
      44100, // 4
      32000, // 5
      24000, // 6
      22050, // 7
      16000, // 8
      12000, // 9
      11025, // 10
      8000,  // 11
      7350,  // 12
      -1,   // 13
      -1,   // 14
      -1,   // 15
  };

  public static String createAudioBody(int trackAudio, int sampleRate, boolean isStereo) {
    int sampleRateNum = -1;
    for(int i = 0; i < AUDIO_SAMPLING_RATES.length; i++){
      if(AUDIO_SAMPLING_RATES[i] == sampleRate){
        sampleRateNum = i;
        break;
      }
    }
    int channel = (isStereo) ? 2 : 1;
    int config = (2 & 0x1F) << 11 | (sampleRateNum & 0x0F) << 7 | (channel & 0x0F) << 3;
    return "m=audio " + (5000 + 2 * trackAudio) + " RTP/AVP" + RtpConstants.payloadType
        + "\r\n" +
        "a=rtpmap:" + RtpConstants.payloadType
        + " mpeg4-generic/" + sampleRate + "/" + channel + "\r\n" +
        "a=fmtp:" + RtpConstants.payloadType
        + " streamtype=5; profile-level-id=15; mode=AAC-hbr; config=" +
        Integer.toHexString(config) + "; SizeLength=13; IndexLength=3; IndexDeltaLength=3;\r\n"
        + "a=control:trackID=" + trackAudio + "\r\n";
  }

  public static String createVideoBody(int trackVideo, String sps, String pps) {
    return "m=video " + (5000 + 2 * trackVideo) + " RTP/AVP" + RtpConstants.payloadType
        + "\r\n" +
        "a=rtpmap:" + RtpConstants.payloadType
        + " H264/" + RtpConstants.clockVideoFrequency + "\r\n" +
        "a=fmtp:" + RtpConstants.payloadType
        + " packetization-mode=1;profile-level-id=" + "42c029" + ";sprop-parameter-sets=" + sps + "," + pps + ";\r\n"
        + "a=control:trackID=" + trackVideo + "\r\n";
  }
}

@@ -973,32 +973,33 @@
 dio) + %22 RTP/AVP
+ 
 %22 + RtpConstants
@@ -1557,16 +1557,17 @@
  RTP/AVP
+ 
 %22 + RtpC

fix payload error on rtsp