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-rw-r--r--media/libstagefright/omx/GraphicBufferSource.cpp128
-rw-r--r--media/libstagefright/omx/GraphicBufferSource.h6
-rw-r--r--media/libstagefright/omx/OMXNodeInstance.cpp3
3 files changed, 81 insertions, 56 deletions
diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp
index 211e1d1..3854e52 100644
--- a/media/libstagefright/omx/GraphicBufferSource.cpp
+++ b/media/libstagefright/omx/GraphicBufferSource.cpp
@@ -32,7 +32,7 @@ static const bool EXTRA_CHECK = true;
GraphicBufferSource::GraphicBufferSource(OMXNodeInstance* nodeInstance,
- uint32_t bufferWidth, uint32_t bufferHeight) :
+ uint32_t bufferWidth, uint32_t bufferHeight, uint32_t bufferCount) :
mInitCheck(UNKNOWN_ERROR),
mNodeInstance(nodeInstance),
mExecuting(false),
@@ -40,20 +40,31 @@ GraphicBufferSource::GraphicBufferSource(OMXNodeInstance* nodeInstance,
mEndOfStream(false),
mEndOfStreamSent(false) {
- ALOGV("GraphicBufferSource w=%u h=%u", bufferWidth, bufferHeight);
+ ALOGV("GraphicBufferSource w=%u h=%u c=%u",
+ bufferWidth, bufferHeight, bufferCount);
if (bufferWidth == 0 || bufferHeight == 0) {
- ALOGE("Invalid dimensions %dx%d", bufferWidth, bufferHeight);
+ ALOGE("Invalid dimensions %ux%u", bufferWidth, bufferHeight);
mInitCheck = BAD_VALUE;
return;
}
+ String8 name("GraphicBufferSource");
+
mBufferQueue = new BufferQueue(true);
+ mBufferQueue->setConsumerName(name);
mBufferQueue->setDefaultBufferSize(bufferWidth, bufferHeight);
mBufferQueue->setSynchronousMode(true);
mBufferQueue->setConsumerUsageBits(GRALLOC_USAGE_HW_VIDEO_ENCODER |
GRALLOC_USAGE_HW_TEXTURE);
+ mInitCheck = mBufferQueue->setMaxAcquiredBufferCount(bufferCount);
+ if (mInitCheck != NO_ERROR) {
+ ALOGE("Unable to set BQ max acquired buffer count to %u: %d",
+ bufferCount, mInitCheck);
+ return;
+ }
+
// Note that we can't create an sp<...>(this) in a ctor that will not keep a
// reference once the ctor ends, as that would cause the refcount of 'this'
// dropping to 0 at the end of the ctor. Since all we need is a wp<...>
@@ -64,21 +75,23 @@ GraphicBufferSource::GraphicBufferSource(OMXNodeInstance* nodeInstance,
sp<BufferQueue::ConsumerListener> proxy;
proxy = new BufferQueue::ProxyConsumerListener(listener);
- status_t err = mBufferQueue->consumerConnect(proxy);
- if (err != NO_ERROR) {
+ mInitCheck = mBufferQueue->consumerConnect(proxy);
+ if (mInitCheck != NO_ERROR) {
ALOGE("Error connecting to BufferQueue: %s (%d)",
- strerror(-err), err);
+ strerror(-mInitCheck), mInitCheck);
return;
}
- mInitCheck = OK;
+ CHECK(mInitCheck == NO_ERROR);
}
GraphicBufferSource::~GraphicBufferSource() {
ALOGV("~GraphicBufferSource");
- status_t err = mBufferQueue->consumerDisconnect();
- if (err != NO_ERROR) {
- ALOGW("consumerDisconnect failed: %d", err);
+ if (mBufferQueue != NULL) {
+ status_t err = mBufferQueue->consumerDisconnect();
+ if (err != NO_ERROR) {
+ ALOGW("consumerDisconnect failed: %d", err);
+ }
}
}
@@ -98,8 +111,12 @@ void GraphicBufferSource::omxExecuting() {
// one codec buffer simultaneously. (We could instead try to submit
// all BQ buffers whenever any codec buffer is freed, but if we get the
// initial conditions right that will never be useful.)
- while (mNumFramesAvailable && isCodecBufferAvailable_l()) {
- fillCodecBuffer_l();
+ while (mNumFramesAvailable) {
+ if (!fillCodecBuffer_l()) {
+ ALOGV("stop load with frames available (codecAvail=%d)",
+ isCodecBufferAvailable_l());
+ break;
+ }
}
ALOGV("done loading initial frames, avail=%d", mNumFramesAvailable);
@@ -166,7 +183,7 @@ void GraphicBufferSource::codecBufferEmptied(OMX_BUFFERHEADERTYPE* header) {
// see if the GraphicBuffer reference was null, which should only ever
// happen for EOS.
if (codecBuffer.mGraphicBuffer == NULL) {
- CHECK(mEndOfStream);
+ CHECK(mEndOfStream && mEndOfStreamSent);
// No GraphicBuffer to deal with, no additional input or output is
// expected, so just return.
return;
@@ -216,8 +233,9 @@ void GraphicBufferSource::codecBufferEmptied(OMX_BUFFERHEADERTYPE* header) {
if (mNumFramesAvailable) {
// Fill this codec buffer.
- CHECK(!mEndOfStream);
- ALOGV("buffer freed, %d frames avail", mNumFramesAvailable);
+ CHECK(!mEndOfStreamSent);
+ ALOGV("buffer freed, %d frames avail (eos=%d)",
+ mNumFramesAvailable, mEndOfStream);
fillCodecBuffer_l();
} else if (mEndOfStream) {
// No frames available, but EOS is pending, so use this buffer to
@@ -228,56 +246,58 @@ void GraphicBufferSource::codecBufferEmptied(OMX_BUFFERHEADERTYPE* header) {
return;
}
-status_t GraphicBufferSource::fillCodecBuffer_l() {
+bool GraphicBufferSource::fillCodecBuffer_l() {
CHECK(mExecuting && mNumFramesAvailable > 0);
+
int cbi = findAvailableCodecBuffer_l();
if (cbi < 0) {
// No buffers available, bail.
ALOGV("fillCodecBuffer_l: no codec buffers, avail now %d",
mNumFramesAvailable);
- } else {
- ALOGV("fillCodecBuffer_l: acquiring buffer, avail=%d",
- mNumFramesAvailable);
- BufferQueue::BufferItem item;
- status_t err = mBufferQueue->acquireBuffer(&item);
- if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
- // shouldn't happen
- ALOGW("fillCodecBuffer_l: frame was not available");
- return err;
- } else if (err != OK) {
- // now what? fake end-of-stream?
- ALOGW("fillCodecBuffer_l: acquireBuffer returned err=%d", err);
- return err;
- }
+ return false;
+ }
- mNumFramesAvailable--;
+ ALOGV("fillCodecBuffer_l: acquiring buffer, avail=%d",
+ mNumFramesAvailable);
+ BufferQueue::BufferItem item;
+ status_t err = mBufferQueue->acquireBuffer(&item);
+ if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
+ // shouldn't happen
+ ALOGW("fillCodecBuffer_l: frame was not available");
+ return false;
+ } else if (err != OK) {
+ // now what? fake end-of-stream?
+ ALOGW("fillCodecBuffer_l: acquireBuffer returned err=%d", err);
+ return false;
+ }
- // Wait for it to become available.
- err = item.mFence->waitForever(1000,
- "GraphicBufferSource::fillCodecBuffer_l");
- if (err != OK) {
- ALOGW("failed to wait for buffer fence: %d", err);
- // keep going
- }
+ mNumFramesAvailable--;
- // If this is the first time we're seeing this buffer, add it to our
- // slot table.
- if (item.mGraphicBuffer != NULL) {
- ALOGV("fillCodecBuffer_l: setting mBufferSlot %d", item.mBuf);
- mBufferSlot[item.mBuf] = item.mGraphicBuffer;
- }
+ // Wait for it to become available.
+ err = item.mFence->waitForever(1000,
+ "GraphicBufferSource::fillCodecBuffer_l");
+ if (err != OK) {
+ ALOGW("failed to wait for buffer fence: %d", err);
+ // keep going
+ }
- err = submitBuffer_l(mBufferSlot[item.mBuf], item.mTimestamp, cbi);
- if (err != OK) {
- ALOGV("submitBuffer_l failed, releasing bq buf %d", item.mBuf);
- mBufferQueue->releaseBuffer(item.mBuf, EGL_NO_DISPLAY,
+ // If this is the first time we're seeing this buffer, add it to our
+ // slot table.
+ if (item.mGraphicBuffer != NULL) {
+ ALOGV("fillCodecBuffer_l: setting mBufferSlot %d", item.mBuf);
+ mBufferSlot[item.mBuf] = item.mGraphicBuffer;
+ }
+
+ err = submitBuffer_l(mBufferSlot[item.mBuf], item.mTimestamp, cbi);
+ if (err != OK) {
+ ALOGV("submitBuffer_l failed, releasing bq buf %d", item.mBuf);
+ mBufferQueue->releaseBuffer(item.mBuf, EGL_NO_DISPLAY,
EGL_NO_SYNC_KHR, Fence::NO_FENCE);
- } else {
- ALOGV("buffer submitted (bq %d, cbi %d)", item.mBuf, cbi);
- }
+ } else {
+ ALOGV("buffer submitted (bq %d, cbi %d)", item.mBuf, cbi);
}
- return OK;
+ return true;
}
status_t GraphicBufferSource::signalEndOfInputStream() {
@@ -372,6 +392,7 @@ void GraphicBufferSource::submitEndOfInputStream_l() {
} else {
ALOGV("submitEndOfInputStream_l: buffer submitted, header=%p cbi=%d",
header, cbi);
+ mEndOfStreamSent = true;
}
}
@@ -400,7 +421,8 @@ int GraphicBufferSource::findMatchingCodecBuffer_l(
void GraphicBufferSource::onFrameAvailable() {
Mutex::Autolock autoLock(mMutex);
- ALOGV("onFrameAvailable exec=%d avail=%d", mExecuting, mNumFramesAvailable);
+ ALOGV("onFrameAvailable exec=%d avail=%d",
+ mExecuting, mNumFramesAvailable);
if (mEndOfStream) {
// This should only be possible if a new buffer was queued after
diff --git a/media/libstagefright/omx/GraphicBufferSource.h b/media/libstagefright/omx/GraphicBufferSource.h
index 6a34bc5..7f1f22e 100644
--- a/media/libstagefright/omx/GraphicBufferSource.h
+++ b/media/libstagefright/omx/GraphicBufferSource.h
@@ -47,7 +47,7 @@ namespace android {
class GraphicBufferSource : public BufferQueue::ConsumerListener {
public:
GraphicBufferSource(OMXNodeInstance* nodeInstance,
- uint32_t bufferWidth, uint32_t bufferHeight);
+ uint32_t bufferWidth, uint32_t bufferHeight, uint32_t bufferCount);
virtual ~GraphicBufferSource();
// We can't throw an exception if the constructor fails, so we just set
@@ -124,7 +124,9 @@ private:
// in the onFrameAvailable callback, or if we're in codecBufferEmptied
// and mNumFramesAvailable is nonzero). Returns without doing anything if
// we don't have a codec buffer available.
- status_t fillCodecBuffer_l();
+ //
+ // Returns true if we successfully filled a codec buffer with a BQ buffer.
+ bool fillCodecBuffer_l();
// Marks the mCodecBuffers entry as in-use, copies the GraphicBuffer
// reference into the codec buffer, and submits the data to the codec.
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index f3d8d14..46ff22f 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -590,7 +590,8 @@ status_t OMXNodeInstance::createInputSurface(
}
GraphicBufferSource* bufferSource = new GraphicBufferSource(
- this, def.format.video.nFrameWidth, def.format.video.nFrameHeight);
+ this, def.format.video.nFrameWidth, def.format.video.nFrameHeight,
+ def.nBufferCountActual);
if ((err = bufferSource->initCheck()) != OK) {
delete bufferSource;
return err;
generated by cgit v1.1 at 2025-03-29 04:36:09 +0000