@Deprecated
private void writeAudioDescriptor(StringBuilder builder, RTPFormats formats) {
builder.append("m=audio %s ");
builder.append(getMediaProfile());
builder.append(" ");
builder.append(payloads(formats));
builder.append("\n");
formats.rewind();
while (formats.hasMore()) {
RTPFormat f = formats.next();
String rtpmap = null;
AudioFormat fmt = (AudioFormat) f.getFormat();
if (fmt.getChannels() == 1) {
rtpmap = String.format("a=rtpmap:%d %s/%d\n", f.getID(), fmt.getName(), f.getClockRate());
} else {
rtpmap =
String.format(
"a=rtpmap:%d %s/%d/%d\n",
f.getID(), fmt.getName(), f.getClockRate(), fmt.getChannels());
}
builder.append(rtpmap);
if (f.getFormat().getOptions() != null) {
builder.append(String.format("a=fmtp:%d %s\n", f.getID(), f.getFormat().getOptions()));
}
if (f.getFormat().shouldSendPTime()) {
builder.append("a=ptime:20\n");
}
}
builder.append(getSdpSessionSetupAttribute());
builder.append(getExtendedAudioAttributes()).append("\n");
}
/**
* List of payloads.
*
* @param formats the RTP format objects.
* @return the string which with payload numbers
*/
private String payloads(RTPFormats formats) {
StringBuilder builder = new StringBuilder();
formats.rewind();
while (formats.hasMore()) {
RTPFormat f = formats.next();
builder.append(f.getID());
builder.append(" ");
}
return builder.toString().trim();
}
private String writeAudioDescriptor() {
if (this.offeredAudioFormats == null) {
throw new NullPointerException(
"Supported audio formats is null. Cannot write audio descriptor.");
}
StringBuilder builder = new StringBuilder();
builder.append("m=audio %s ").append(getMediaProfile()).append(" ");
if (isAudioSupported()) {
builder.append(payloads(this.negotiatedAudioFormats)).append("\n");
builder.append("a=rtcp:%d\n");
this.negotiatedAudioFormats.rewind();
while (this.negotiatedAudioFormats.hasMore()) {
RTPFormat f = this.negotiatedAudioFormats.next();
String rtpmap = null;
AudioFormat fmt = (AudioFormat) f.getFormat();
if (fmt.getChannels() == 1) {
rtpmap = String.format("a=rtpmap:%d %s/%d\n", f.getID(), fmt.getName(), f.getClockRate());
} else {
rtpmap =
String.format(
"a=rtpmap:%d %s/%d/%d\n",
f.getID(), fmt.getName(), f.getClockRate(), fmt.getChannels());
}
builder.append(rtpmap);
if (f.getFormat().getOptions() != null) {
builder.append(String.format("a=fmtp:%d %s\n", f.getID(), f.getFormat().getOptions()));
}
if (f.getFormat().shouldSendPTime()) {
builder.append("a=ptime:20\n");
}
}
builder.append(String.format("a=%s\n", this.connectionMode));
builder.append(getSdpSessionSetupAttribute());
builder.append(getExtendedAudioAttributes()).append("\n");
// XXX Firefox does not support SSRC attribute!!
// builder.append("a=ssrc:%d cname:%s").append("\n");
} else {
builder.append(payloads(this.offeredAudioFormats)).append("\n");
}
return builder.toString();
}
private String writeVideoDescriptor() {
if (this.offeredVideoFormats == null) {
throw new NullPointerException(
"Supported video formats is null. Cannot write video descriptor.");
}
StringBuilder builder = new StringBuilder();
builder.append("m=video %s ").append(getMediaProfile()).append(" ");
if (isVideoSupported()) {
builder.append(payloads(this.negotiatedVideoFormats)).append("\n");
this.negotiatedVideoFormats.rewind();
while (this.negotiatedVideoFormats.hasMore()) {
RTPFormat f = this.negotiatedVideoFormats.next();
builder.append(
String.format(
"a=rtpmap:%d %s/%d\n", f.getID(), f.getFormat().getName(), f.getClockRate()));
if (f.getFormat().getOptions() != null) {
builder.append(
String.format("a=fmtp: %d %s\n", f.getID(), f.getFormat().getOptions().toString()));
}
// TODO Finish implementing video description
}
builder.append(this.getExtendedVideoAttributes()).append("\n");
} else {
// TODO No video formats are received because video is still not implemented
builder.append(payloads(this.offeredVideoFormats)).append("\n");
// builder.append("100 116 117").append("\n");
}
return builder.toString();
}
@Deprecated
private void writeVideoDescriptor(StringBuilder builder, RTPFormats formats) {
builder.append("m=video %s ").append(getMediaProfile()).append(" ");
// builder.append("100 116 117");
builder.append(payloads(formats)).append("\n");
formats.rewind();
while (formats.hasMore()) {
RTPFormat f = formats.next();
builder.append(
String.format(
"a=rtpmap:%d %s/%d\n", f.getID(), f.getFormat().getName(), f.getClockRate()));
if (f.getFormat().getOptions() != null) {
builder.append(
String.format("a=fmtp: %d %s\n", f.getID(), f.getFormat().getOptions().toString()));
}
// TODO Finish implementing video description
}
}
