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authorAndreas Huber <andih@google.com>2012-10-02 14:39:20 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2012-10-02 14:39:21 -0700
commit805b3ae300ea414ce5973e60a9b544169da0ac44 (patch)
treec9fb99ec606675f595b9b542e393ab9e349aa832
parentf5aa7aa94465e774ccdb07039690a5f42de1518a (diff)
parent4a8b9a2363b7b7b4f98022e6d9aae8b8aa8e35e5 (diff)
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Merge "Now back to 30fps, suspend updates if surface flinger didn't send us" into jb-mr1-dev
-rw-r--r--media/libstagefright/wifi-display/source/Converter.cpp2
-rw-r--r--media/libstagefright/wifi-display/source/PlaybackSession.cpp46
-rw-r--r--media/libstagefright/wifi-display/source/PlaybackSession.h1
-rw-r--r--media/libstagefright/wifi-display/source/RepeaterSource.cpp80
-rw-r--r--media/libstagefright/wifi-display/source/RepeaterSource.h5
-rw-r--r--media/libstagefright/wifi-display/source/WifiDisplaySource.cpp2
6 files changed, 106 insertions, 30 deletions
diff --git a/media/libstagefright/wifi-display/source/Converter.cpp b/media/libstagefright/wifi-display/source/Converter.cpp
index a5fb6b8..b9539e9 100644
--- a/media/libstagefright/wifi-display/source/Converter.cpp
+++ b/media/libstagefright/wifi-display/source/Converter.cpp
@@ -132,7 +132,7 @@ status_t Converter::initEncoder() {
mOutputFormat->setInt32("bitrate", audioBitrate);
} else {
mOutputFormat->setInt32("bitrate", videoBitrate);
- mOutputFormat->setInt32("frame-rate", 60);
+ mOutputFormat->setInt32("frame-rate", 30);
mOutputFormat->setInt32("i-frame-interval", 1); // Iframes every 1 secs
mOutputFormat->setInt32("prepend-sps-pps-to-idr-frames", 1);
}
diff --git a/media/libstagefright/wifi-display/source/PlaybackSession.cpp b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
index 4ae9895..c91b4c8 100644
--- a/media/libstagefright/wifi-display/source/PlaybackSession.cpp
+++ b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
@@ -64,6 +64,8 @@ struct WifiDisplaySource::PlaybackSession::Track : public AHandler {
const sp<MediaPuller> &mediaPuller,
const sp<Converter> &converter);
+ void setRepeaterSource(const sp<RepeaterSource> &source);
+
sp<AMessage> getFormat();
bool isAudio() const;
@@ -78,6 +80,8 @@ struct WifiDisplaySource::PlaybackSession::Track : public AHandler {
void queueAccessUnit(const sp<ABuffer> &accessUnit);
sp<ABuffer> dequeueAccessUnit();
+ void requestIDRFrame();
+
protected:
virtual void onMessageReceived(const sp<AMessage> &msg);
virtual ~Track();
@@ -96,6 +100,7 @@ private:
ssize_t mPacketizerTrackIndex;
bool mIsAudio;
List<sp<ABuffer> > mQueuedAccessUnits;
+ sp<RepeaterSource> mRepeaterSource;
static bool IsAudioFormat(const sp<AMessage> &format);
@@ -178,6 +183,11 @@ void WifiDisplaySource::PlaybackSession::Track::stopAsync() {
sp<AMessage> msg = new AMessage(kWhatMediaPullerStopped, id());
if (mStarted && mMediaPuller != NULL) {
+ if (mRepeaterSource != NULL) {
+ // Let's unblock MediaPuller's MediaSource::read().
+ mRepeaterSource->wakeUp();
+ }
+
mMediaPuller->stopAsync(msg);
} else {
msg->post();
@@ -224,6 +234,23 @@ sp<ABuffer> WifiDisplaySource::PlaybackSession::Track::dequeueAccessUnit() {
return accessUnit;
}
+void WifiDisplaySource::PlaybackSession::Track::setRepeaterSource(
+ const sp<RepeaterSource> &source) {
+ mRepeaterSource = source;
+}
+
+void WifiDisplaySource::PlaybackSession::Track::requestIDRFrame() {
+ if (mIsAudio) {
+ return;
+ }
+
+ if (mRepeaterSource != NULL) {
+ mRepeaterSource->wakeUp();
+ }
+
+ mConverter->requestIDRFrame();
+}
+
////////////////////////////////////////////////////////////////////////////////
WifiDisplaySource::PlaybackSession::PlaybackSession(
@@ -809,7 +836,8 @@ status_t WifiDisplaySource::PlaybackSession::setupPacketizer() {
}
status_t WifiDisplaySource::PlaybackSession::addSource(
- bool isVideo, const sp<MediaSource> &source, size_t *numInputBuffers) {
+ bool isVideo, const sp<MediaSource> &source, bool isRepeaterSource,
+ size_t *numInputBuffers) {
sp<ALooper> pullLooper = new ALooper;
pullLooper->setName("pull_looper");
@@ -871,6 +899,10 @@ status_t WifiDisplaySource::PlaybackSession::addSource(
sp<Track> track = new Track(
notify, pullLooper, codecLooper, puller, converter);
+ if (isRepeaterSource) {
+ track->setRepeaterSource(static_cast<RepeaterSource *>(source.get()));
+ }
+
looper()->registerHandler(track);
mTracks.add(trackIndex, track);
@@ -887,8 +919,13 @@ status_t WifiDisplaySource::PlaybackSession::addVideoSource() {
source->setUseAbsoluteTimestamps();
+ sp<RepeaterSource> videoSource =
+ new RepeaterSource(source, 30.0 /* rateHz */);
+
size_t numInputBuffers;
- status_t err = addSource(true /* isVideo */, source, &numInputBuffers);
+ status_t err = addSource(
+ true /* isVideo */, videoSource, true /* isRepeaterSource */,
+ &numInputBuffers);
if (err != OK) {
return err;
@@ -910,7 +947,8 @@ status_t WifiDisplaySource::PlaybackSession::addAudioSource() {
if (audioSource->initCheck() == OK) {
return addSource(
- false /* isVideo */, audioSource, NULL /* numInputBuffers */);
+ false /* isVideo */, audioSource, false /* isRepeaterSource */,
+ NULL /* numInputBuffers */);
}
ALOGW("Unable to instantiate audio source");
@@ -1300,7 +1338,7 @@ void WifiDisplaySource::PlaybackSession::requestIDRFrame() {
for (size_t i = 0; i < mTracks.size(); ++i) {
const sp<Track> &track = mTracks.valueAt(i);
- track->converter()->requestIDRFrame();
+ track->requestIDRFrame();
}
}
diff --git a/media/libstagefright/wifi-display/source/PlaybackSession.h b/media/libstagefright/wifi-display/source/PlaybackSession.h
index 3bdb223..5d4bde8 100644
--- a/media/libstagefright/wifi-display/source/PlaybackSession.h
+++ b/media/libstagefright/wifi-display/source/PlaybackSession.h
@@ -185,6 +185,7 @@ private:
status_t addSource(
bool isVideo,
const sp<MediaSource> &source,
+ bool isRepeaterSource,
size_t *numInputBuffers);
status_t addVideoSource();
diff --git a/media/libstagefright/wifi-display/source/RepeaterSource.cpp b/media/libstagefright/wifi-display/source/RepeaterSource.cpp
index dc216e8..641e63f 100644
--- a/media/libstagefright/wifi-display/source/RepeaterSource.cpp
+++ b/media/libstagefright/wifi-display/source/RepeaterSource.cpp
@@ -18,6 +18,7 @@ RepeaterSource::RepeaterSource(const sp<MediaSource> &source, double rateHz)
mRateHz(rateHz),
mBuffer(NULL),
mResult(OK),
+ mLastBufferUpdateUs(-1ll),
mStartTimeUs(-1ll),
mFrameCount(0) {
}
@@ -91,38 +92,59 @@ status_t RepeaterSource::read(
ReadOptions::SeekMode seekMode;
CHECK(options == NULL || !options->getSeekTo(&seekTimeUs, &seekMode));
- int64_t bufferTimeUs = -1ll;
+ for (;;) {
+ int64_t bufferTimeUs = -1ll;
- if (mStartTimeUs < 0ll) {
- Mutex::Autolock autoLock(mLock);
- while (mBuffer == NULL && mResult == OK) {
- mCondition.wait(mLock);
- }
+ if (mStartTimeUs < 0ll) {
+ Mutex::Autolock autoLock(mLock);
+ while ((mLastBufferUpdateUs < 0ll || mBuffer == NULL)
+ && mResult == OK) {
+ mCondition.wait(mLock);
+ }
- mStartTimeUs = ALooper::GetNowUs();
- bufferTimeUs = mStartTimeUs;
- } else {
- bufferTimeUs = mStartTimeUs + (mFrameCount * 1000000ll) / mRateHz;
+ ALOGV("now resuming.");
+ mStartTimeUs = ALooper::GetNowUs();
+ bufferTimeUs = mStartTimeUs;
+ } else {
+ bufferTimeUs = mStartTimeUs + (mFrameCount * 1000000ll) / mRateHz;
- int64_t nowUs = ALooper::GetNowUs();
- int64_t delayUs = bufferTimeUs - nowUs;
+ int64_t nowUs = ALooper::GetNowUs();
+ int64_t delayUs = bufferTimeUs - nowUs;
- if (delayUs > 0ll) {
- usleep(delayUs);
+ if (delayUs > 0ll) {
+ usleep(delayUs);
+ }
}
- }
- Mutex::Autolock autoLock(mLock);
- if (mResult != OK) {
- CHECK(mBuffer == NULL);
- return mResult;
- }
+ bool stale = false;
- mBuffer->add_ref();
- *buffer = mBuffer;
- (*buffer)->meta_data()->setInt64(kKeyTime, bufferTimeUs);
+ {
+ Mutex::Autolock autoLock(mLock);
+ if (mResult != OK) {
+ CHECK(mBuffer == NULL);
+ return mResult;
+ }
- ++mFrameCount;
+ int64_t nowUs = ALooper::GetNowUs();
+ if (nowUs - mLastBufferUpdateUs > 1000000ll) {
+ mLastBufferUpdateUs = -1ll;
+ stale = true;
+ } else {
+ mBuffer->add_ref();
+ *buffer = mBuffer;
+ (*buffer)->meta_data()->setInt64(kKeyTime, bufferTimeUs);
+ ++mFrameCount;
+ }
+ }
+
+ if (!stale) {
+ break;
+ }
+
+ mStartTimeUs = -1ll;
+ mFrameCount = 0;
+ ALOGV("now dormant");
+ }
return OK;
}
@@ -147,6 +169,7 @@ void RepeaterSource::onMessageReceived(const sp<AMessage> &msg) {
}
mBuffer = buffer;
mResult = err;
+ mLastBufferUpdateUs = ALooper::GetNowUs();
mCondition.broadcast();
@@ -161,4 +184,13 @@ void RepeaterSource::onMessageReceived(const sp<AMessage> &msg) {
}
}
+void RepeaterSource::wakeUp() {
+ ALOGV("wakeUp");
+ Mutex::Autolock autoLock(mLock);
+ if (mLastBufferUpdateUs < 0ll && mBuffer != NULL) {
+ mLastBufferUpdateUs = ALooper::GetNowUs();
+ mCondition.broadcast();
+ }
+}
+
} // namespace android
diff --git a/media/libstagefright/wifi-display/source/RepeaterSource.h b/media/libstagefright/wifi-display/source/RepeaterSource.h
index 3049362..e4aa2b6 100644
--- a/media/libstagefright/wifi-display/source/RepeaterSource.h
+++ b/media/libstagefright/wifi-display/source/RepeaterSource.h
@@ -22,6 +22,10 @@ struct RepeaterSource : public MediaSource {
void onMessageReceived(const sp<AMessage> &msg);
+ // If RepeaterSource is currently dormant, because SurfaceFlinger didn't
+ // send updates in a while, this is its wakeup call.
+ void wakeUp();
+
protected:
virtual ~RepeaterSource();
@@ -43,6 +47,7 @@ private:
MediaBuffer *mBuffer;
status_t mResult;
+ int64_t mLastBufferUpdateUs;
int64_t mStartTimeUs;
int32_t mFrameCount;
diff --git a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
index 1083a80..b0aaf3b 100644
--- a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
+++ b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
@@ -539,7 +539,7 @@ status_t WifiDisplaySource::sendM4(int32_t sessionID) {
// use "78 00 02 02 00008000 00000000 00000000 00 0000 0000 00 none none\r\n"
AString body = StringPrintf(
"wfd_video_formats: "
- "30 00 02 02 00000040 00000000 00000000 00 0000 0000 00 none none\r\n"
+ "28 00 02 02 00000020 00000000 00000000 00 0000 0000 00 none none\r\n"
"wfd_audio_codecs: AAC 00000001 00\r\n" // 2 ch AAC 48kHz
"wfd_presentation_URL: rtsp://%s/wfd1.0/streamid=0 none\r\n"
"wfd_client_rtp_ports: RTP/AVP/%s;unicast 19000 0 mode=play\r\n",