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author | Andreas Huber <andih@google.com> | 2013-03-25 15:46:52 -0700 |
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committer | Andreas Huber <andih@google.com> | 2013-03-25 16:20:26 -0700 |
commit | 2aea9552aeba92bbaf9e56c666049ea2d14057b5 (patch) | |
tree | fc3cdb049837a7bdd7452620b9b596aad2c831d3 /media/libstagefright/wifi-display/rtp/RTPSender.cpp | |
parent | f90debb467a0daf5288e7d8684642ef1119c4bad (diff) | |
download | frameworks_av-2aea9552aeba92bbaf9e56c666049ea2d14057b5.zip frameworks_av-2aea9552aeba92bbaf9e56c666049ea2d14057b5.tar.gz frameworks_av-2aea9552aeba92bbaf9e56c666049ea2d14057b5.tar.bz2 |
In "special" mode we now establish a UDP RTCP channel in addition to the
TCP RTP channel and provide feedback on the latency of arriving packets from
the sink back to the source. This information is then used to throttle
video bitrate.
Change-Id: Ic589a3cb65e4893a3ff67de947da6063d32a1c6e
Diffstat (limited to 'media/libstagefright/wifi-display/rtp/RTPSender.cpp')
-rw-r--r-- | media/libstagefright/wifi-display/rtp/RTPSender.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.cpp b/media/libstagefright/wifi-display/rtp/RTPSender.cpp index c686e01..9eeeabd 100644 --- a/media/libstagefright/wifi-display/rtp/RTPSender.cpp +++ b/media/libstagefright/wifi-display/rtp/RTPSender.cpp @@ -91,8 +91,8 @@ status_t RTPSender::initAsync( CHECK_NE(rtpMode, TRANSPORT_TCP_INTERLEAVED); CHECK_NE(rtcpMode, TRANSPORT_TCP_INTERLEAVED); - if (rtcpMode == TRANSPORT_NONE && remoteRTCPPort >= 0 - || rtcpMode != TRANSPORT_NONE && remoteRTCPPort < 0) { + if ((rtcpMode == TRANSPORT_NONE && remoteRTCPPort >= 0) + || (rtcpMode != TRANSPORT_NONE && remoteRTCPPort < 0)) { return INVALID_OPERATION; } @@ -616,6 +616,7 @@ status_t RTPSender::onRTCPData(const sp<ABuffer> &buffer) { break; case 204: // APP + parseAPP(data, headerLength); break; case 205: // TSFB (transport layer specific feedback) @@ -721,6 +722,21 @@ status_t RTPSender::parseTSFB(const uint8_t *data, size_t size) { return OK; } +status_t RTPSender::parseAPP(const uint8_t *data, size_t size) { + if (!memcmp("late", &data[8], 4)) { + int64_t avgLatencyUs = (int64_t)U64_AT(&data[12]); + int64_t maxLatencyUs = (int64_t)U64_AT(&data[20]); + + sp<AMessage> notify = mNotify->dup(); + notify->setInt32("what", kWhatInformSender); + notify->setInt64("avgLatencyUs", avgLatencyUs); + notify->setInt64("maxLatencyUs", maxLatencyUs); + notify->post(); + } + + return OK; +} + void RTPSender::notifyInitDone(status_t err) { sp<AMessage> notify = mNotify->dup(); notify->setInt32("what", kWhatInitDone); |