status_t WifiDisplaySource::sendM16(int32_t sessionID) {
AString request = "GET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
AppendCommonResponse(&request, mNextCSeq);
CHECK_EQ(sessionID, mClientSessionID);
request.append(
AStringPrintf("Session: %d\r\n", mClientInfo.mPlaybackSessionID));
request.append("\r\n"); // Empty body
status_t err =
mNetSession->sendRequest(sessionID, request.c_str(), request.size());
if (err != OK) {
return err;
}
registerResponseHandler(
sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM16Response);
++mNextCSeq;
scheduleKeepAlive(sessionID);
return OK;
}
status_t WifiDisplaySource::sendM3(int32_t sessionID) {
AString body =
"wfd_content_protection\r\n"
"wfd_video_formats\r\n"
"wfd_audio_codecs\r\n"
"wfd_client_rtp_ports\r\n";
AString request = "GET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
AppendCommonResponse(&request, mNextCSeq);
request.append("Content-Type: text/parameters\r\n");
request.append(AStringPrintf("Content-Length: %d\r\n", body.size()));
request.append("\r\n");
request.append(body);
status_t err =
mNetSession->sendRequest(sessionID, request.c_str(), request.size());
if (err != OK) {
return err;
}
registerResponseHandler(
sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM3Response);
++mNextCSeq;
return OK;
}
status_t WifiDisplaySource::sendM4(int32_t sessionID) {
CHECK_EQ(sessionID, mClientSessionID);
AString body;
if (mSinkSupportsVideo) {
body.append("wfd_video_formats: ");
VideoFormats chosenVideoFormat;
chosenVideoFormat.disableAll();
chosenVideoFormat.setNativeResolution(
mChosenVideoResolutionType, mChosenVideoResolutionIndex);
chosenVideoFormat.setProfileLevel(
mChosenVideoResolutionType, mChosenVideoResolutionIndex,
mChosenVideoProfile, mChosenVideoLevel);
body.append(chosenVideoFormat.getFormatSpec(true /* forM4Message */));
body.append("\r\n");
}
if (mSinkSupportsAudio) {
body.append(
AStringPrintf("wfd_audio_codecs: %s\r\n",
(mUsingPCMAudio
? "LPCM 00000002 00" // 2 ch PCM 48kHz
: "AAC 00000001 00"))); // 2 ch AAC 48kHz
}
body.append(
AStringPrintf(
"wfd_presentation_URL: rtsp://%s/wfd1.0/streamid=0 none\r\n",
mClientInfo.mLocalIP.c_str()));
body.append(
AStringPrintf(
"wfd_client_rtp_ports: %s\r\n", mWfdClientRtpPorts.c_str()));
AString request = "SET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
AppendCommonResponse(&request, mNextCSeq);
request.append("Content-Type: text/parameters\r\n");
request.append(AStringPrintf("Content-Length: %d\r\n", body.size()));
request.append("\r\n");
request.append(body);
status_t err =
mNetSession->sendRequest(sessionID, request.c_str(), request.size());
if (err != OK) {
return err;
}
registerResponseHandler(
sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM4Response);
++mNextCSeq;
return OK;
}
status_t WifiDisplaySource::sendTrigger(
int32_t sessionID, TriggerType triggerType) {
AString body = "wfd_trigger_method: ";
switch (triggerType) {
case TRIGGER_SETUP:
body.append("SETUP");
break;
case TRIGGER_TEARDOWN:
ALOGI("Sending TEARDOWN trigger.");
body.append("TEARDOWN");
break;
case TRIGGER_PAUSE:
body.append("PAUSE");
break;
case TRIGGER_PLAY:
body.append("PLAY");
break;
default:
TRESPASS();
}
body.append("\r\n");
AString request = "SET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
AppendCommonResponse(&request, mNextCSeq);
request.append("Content-Type: text/parameters\r\n");
request.append(AStringPrintf("Content-Length: %d\r\n", body.size()));
request.append("\r\n");
request.append(body);
status_t err =
mNetSession->sendRequest(sessionID, request.c_str(), request.size());
if (err != OK) {
return err;
}
registerResponseHandler(
sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM5Response);
++mNextCSeq;
return OK;
}
status_t WifiDisplaySource::sendM1(int32_t sessionID) {
AString request = "OPTIONS * RTSP/1.0\r\n";
AppendCommonResponse(&request, mNextCSeq);
request.append(
"Require: org.wfa.wfd1.0\r\n"
"\r\n");
status_t err =
mNetSession->sendRequest(sessionID, request.c_str(), request.size());
if (err != OK) {
return err;
}
registerResponseHandler(
sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM1Response);
++mNextCSeq;
return OK;
}
status_t WifiDisplaySource::sendM4(int32_t sessionID) {
// wfd_video_formats:
// 1 byte "native"
// 1 byte "preferred-display-mode-supported" 0 or 1
// one or more avc codec structures
// 1 byte profile
// 1 byte level
// 4 byte CEA mask
// 4 byte VESA mask
// 4 byte HH mask
// 1 byte latency
// 2 byte min-slice-slice
// 2 byte slice-enc-params
// 1 byte framerate-control-support
// max-hres (none or 2 byte)
// max-vres (none or 2 byte)
CHECK_EQ(sessionID, mClientSessionID);
AString transportString = "UDP";
char val[PROPERTY_VALUE_MAX];
if (property_get("media.wfd.enable-tcp", val, NULL)
&& (!strcasecmp("true", val) || !strcmp("1", val))) {
ALOGI("Using TCP transport.");
transportString = "TCP";
}
// For 720p60:
// use "30 00 02 02 00000040 00000000 00000000 00 0000 0000 00 none none\r\n"
// For 720p30:
// use "28 00 02 02 00000020 00000000 00000000 00 0000 0000 00 none none\r\n"
// For 720p24:
// use "78 00 02 02 00008000 00000000 00000000 00 0000 0000 00 none none\r\n"
// For 1080p30:
// use "38 00 02 02 00000080 00000000 00000000 00 0000 0000 00 none none\r\n"
AString body = StringPrintf(
"wfd_video_formats: "
#if defined(USE_1080P)
"38 00 02 02 00000080 00000000 00000000 00 0000 0000 00 none none\r\n"
#elif defined(USE_480P)
"08 00 02 02 00000010 00000000 00000000 00 0000 0000 00 none none\r\n"
#else //if defined(USE_720P) default
"28 00 02 02 00000020 00000000 00000000 00 0000 0000 00 none none\r\n"
#endif
"wfd_audio_codecs: %s\r\n"
"wfd_presentation_URL: rtsp://%s/wfd1.0/streamid=0 none\r\n"
"wfd_client_rtp_ports: RTP/AVP/%s;unicast %d 0 mode=play\r\n",
(mUsingPCMAudio
? "LPCM 00000002 00" // 2 ch PCM 48kHz
: "AAC 00000001 00"), // 2 ch AAC 48kHz
mClientInfo.mLocalIP.c_str(), transportString.c_str(), mChosenRTPPort);
AString request = "SET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
AppendCommonResponse(&request, mNextCSeq);
request.append("Content-Type: text/parameters\r\n");
request.append(StringPrintf("Content-Length: %d\r\n", body.size()));
request.append("\r\n");
request.append(body);
status_t err =
mNetSession->sendRequest(sessionID, request.c_str(), request.size());
if (err != OK) {
return err;
}
registerResponseHandler(
sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM4Response);
++mNextCSeq;
return OK;
}