status_t WifiDisplaySource::onSetParameterRequest(
int32_t sessionID,
int32_t cseq,
const sp<ParsedMessage> &data) {
int32_t playbackSessionID;
sp<PlaybackSession> playbackSession =
findPlaybackSession(data, &playbackSessionID);
if (playbackSession == NULL) {
sendErrorResponse(sessionID, "454 Session Not Found", cseq);
return ERROR_MALFORMED;
}
if (strstr(data->getContent(), "wfd_idr_request\r\n")) {
playbackSession->requestIDRFrame();
}
playbackSession->updateLiveness();
AString response = "RTSP/1.0 200 OK\r\n";
AppendCommonResponse(&response, cseq, playbackSessionID);
response.append("\r\n");
status_t err = mNetSession->sendRequest(sessionID, response.c_str());
return err;
}
status_t WifiDisplaySource::onReceiveM3Response(
int32_t sessionID, const sp<ParsedMessage> &msg) {
int32_t statusCode;
if (!msg->getStatusCode(&statusCode)) {
return ERROR_MALFORMED;
}
if (statusCode != 200) {
return ERROR_UNSUPPORTED;
}
sp<Parameters> params =
Parameters::Parse(msg->getContent(), strlen(msg->getContent()));
if (params == NULL) {
return ERROR_MALFORMED;
}
AString value;
if (!params->findParameter("wfd_client_rtp_ports", &value)) {
ALOGE("Sink doesn't report its choice of wfd_client_rtp_ports.");
return ERROR_MALFORMED;
}
unsigned port0 = 0, port1 = 0;
if (sscanf(value.c_str(),
"RTP/AVP/UDP;unicast %u %u mode=play",
&port0,
&port1) == 2
|| sscanf(value.c_str(),
"RTP/AVP/TCP;unicast %u %u mode=play",
&port0,
&port1) == 2) {
if (port0 == 0 || port0 > 65535 || port1 != 0) {
ALOGE("Sink chose its wfd_client_rtp_ports poorly (%s)",
value.c_str());
return ERROR_MALFORMED;
}
} else if (strcmp(value.c_str(), "RTP/AVP/TCP;interleaved mode=play")) {
ALOGE("Unsupported value for wfd_client_rtp_ports (%s)",
value.c_str());
return ERROR_UNSUPPORTED;
}
mWfdClientRtpPorts = value;
mChosenRTPPort = port0;
if (!params->findParameter("wfd_video_formats", &value)) {
ALOGE("Sink doesn't report its choice of wfd_video_formats.");
return ERROR_MALFORMED;
}
mSinkSupportsVideo = false;
if (!(value == "none")) {
mSinkSupportsVideo = true;
if (!mSupportedSinkVideoFormats.parseFormatSpec(value.c_str())) {
ALOGE("Failed to parse sink provided wfd_video_formats (%s)",
value.c_str());
return ERROR_MALFORMED;
}
if (!VideoFormats::PickBestFormat(
mSupportedSinkVideoFormats,
mSupportedSourceVideoFormats,
&mChosenVideoResolutionType,
&mChosenVideoResolutionIndex,
&mChosenVideoProfile,
&mChosenVideoLevel)) {
ALOGE("Sink and source share no commonly supported video "
"formats.");
return ERROR_UNSUPPORTED;
}
size_t width, height, framesPerSecond;
bool interlaced;
CHECK(VideoFormats::GetConfiguration(
mChosenVideoResolutionType,
mChosenVideoResolutionIndex,
&width,
&height,
&framesPerSecond,
&interlaced));
ALOGI("Picked video resolution %zu x %zu %c%zu",
width, height, interlaced ? 'i' : 'p', framesPerSecond);
ALOGI("Picked AVC profile %d, level %d",
mChosenVideoProfile, mChosenVideoLevel);
} else {
ALOGI("Sink doesn't support video at all.");
}
if (!params->findParameter("wfd_audio_codecs", &value)) {
ALOGE("Sink doesn't report its choice of wfd_audio_codecs.");
return ERROR_MALFORMED;
}
mSinkSupportsAudio = false;
if (!(value == "none")) {
mSinkSupportsAudio = true;
uint32_t modes;
GetAudioModes(value.c_str(), "AAC", &modes);
bool supportsAAC = (modes & 1) != 0; // AAC 2ch 48kHz
GetAudioModes(value.c_str(), "LPCM", &modes);
bool supportsPCM = (modes & 2) != 0; // LPCM 2ch 48kHz
if (supportsPCM
&& property_get_bool("media.wfd.use-pcm-audio", false)) {
ALOGI("Using PCM audio.");
mUsingPCMAudio = true;
} else if (supportsAAC) {
ALOGI("Using AAC audio.");
mUsingPCMAudio = false;
} else if (supportsPCM) {
ALOGI("Using PCM audio.");
mUsingPCMAudio = true;
} else {
ALOGI("Sink doesn't support an audio format we do.");
return ERROR_UNSUPPORTED;
}
} else {
ALOGI("Sink doesn't support audio at all.");
}
if (!mSinkSupportsVideo && !mSinkSupportsAudio) {
ALOGE("Sink supports neither video nor audio...");
return ERROR_UNSUPPORTED;
}
mUsingHDCP = false;
if (!params->findParameter("wfd_content_protection", &value)) {
ALOGI("Sink doesn't appear to support content protection.");
} else if (value == "none") {
ALOGI("Sink does not support content protection.");
} else {
mUsingHDCP = true;
bool isHDCP2_0 = false;
if (value.startsWith("HDCP2.0 ")) {
isHDCP2_0 = true;
} else if (!value.startsWith("HDCP2.1 ")) {
ALOGE("malformed wfd_content_protection: '%s'", value.c_str());
return ERROR_MALFORMED;
}
int32_t hdcpPort;
if (!ParsedMessage::GetInt32Attribute(
value.c_str() + 8, "port", &hdcpPort)
|| hdcpPort < 1 || hdcpPort > 65535) {
return ERROR_MALFORMED;
}
mIsHDCP2_0 = isHDCP2_0;
mHDCPPort = hdcpPort;
status_t err = makeHDCP();
if (err != OK) {
ALOGE("Unable to instantiate HDCP component. "
"Not using HDCP after all.");
mUsingHDCP = false;
}
}
return sendM4(sessionID);
}
status_t WifiDisplaySource::onReceiveM3Response(
int32_t sessionID, const sp<ParsedMessage> &msg) {
int32_t statusCode;
if (!msg->getStatusCode(&statusCode)) {
return ERROR_MALFORMED;
}
if (statusCode != 200) {
return ERROR_UNSUPPORTED;
}
sp<Parameters> params =
Parameters::Parse(msg->getContent(), strlen(msg->getContent()));
if (params == NULL) {
return ERROR_MALFORMED;
}
AString value;
if (!params->findParameter("wfd_client_rtp_ports", &value)) {
ALOGE("Sink doesn't report its choice of wfd_client_rtp_ports.");
return ERROR_MALFORMED;
}
unsigned port0, port1;
if (sscanf(value.c_str(),
"RTP/AVP/UDP;unicast %u %u mode=play",
&port0,
&port1) != 2
|| port0 == 0 || port0 > 65535 || port1 != 0) {
ALOGE("Sink chose its wfd_client_rtp_ports poorly (%s)",
value.c_str());
ALOGE("onReceiveM3Response() SKIP!! port check.");
port0 = 19000;
port1 = 0;
//return ERROR_MALFORMED;
}
mChosenRTPPort = port0;
if (!params->findParameter("wfd_audio_codecs", &value)) {
ALOGE("Sink doesn't report its choice of wfd_audio_codecs.");
return ERROR_MALFORMED;
}
if (value == "none") {
ALOGE("Sink doesn't support audio at all.");
return ERROR_UNSUPPORTED;
}
if (value == "xxx") {
ALOGE("onReceiveM3Response() Force Apply wfd_audio_codecs to AAC");
value.clear();
value.append("LPCM 00000003 00, AAC 0000000F 00");
}
uint32_t modes;
GetAudioModes(value.c_str(), "AAC", &modes);
bool supportsAAC = (modes & 1) != 0; // AAC 2ch 48kHz
GetAudioModes(value.c_str(), "LPCM", &modes);
bool supportsPCM = (modes & 2) != 0; // LPCM 2ch 48kHz
char val[PROPERTY_VALUE_MAX];
if (supportsPCM
&& property_get("media.wfd.use-pcm-audio", val, NULL)
&& (!strcasecmp("true", val) || !strcmp("1", val))) {
ALOGI("Using PCM audio.");
mUsingPCMAudio = true;
} else if (supportsAAC) {
ALOGI("Using AAC audio.");
mUsingPCMAudio = false;
} else if (supportsPCM) {
ALOGI("Using PCM audio.");
mUsingPCMAudio = true;
} else {
ALOGI("Sink doesn't support an audio format we do.");
return ERROR_UNSUPPORTED;
}
mUsingHDCP = false;
if (!params->findParameter("wfd_content_protection", &value)) {
ALOGI("Sink doesn't appear to support content protection.");
} else if (value == "none") {
ALOGI("Sink does not support content protection.");
} else {
mUsingHDCP = true;
bool isHDCP2_0 = false;
if (value.startsWith("HDCP2.0 ")) {
isHDCP2_0 = true;
} else if (!value.startsWith("HDCP2.1 ")) {
ALOGE("malformed wfd_content_protection: '%s'", value.c_str());
return ERROR_MALFORMED;
}
int32_t hdcpPort;
if (!ParsedMessage::GetInt32Attribute(
value.c_str() + 8, "port", &hdcpPort)
|| hdcpPort < 1 || hdcpPort > 65535) {
return ERROR_MALFORMED;
}
mIsHDCP2_0 = isHDCP2_0;
mHDCPPort = hdcpPort;
status_t err = makeHDCP();
if (err != OK) {
ALOGE("Unable to instantiate HDCP component. "
"Not using HDCP after all.");
mUsingHDCP = false;
}
}
return sendM4(sessionID);
}
