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-rw-r--r--media/libnbaio/Android.mk7
-rw-r--r--media/libnbaio/AudioBufferProviderSource.cpp8
-rw-r--r--media/libnbaio/AudioStreamInSource.cpp20
-rw-r--r--media/libnbaio/AudioStreamOutSink.cpp20
-rw-r--r--media/libnbaio/MonoPipe.cpp36
-rw-r--r--media/libnbaio/MonoPipeReader.cpp4
-rw-r--r--media/libnbaio/NBAIO.cpp132
-rw-r--r--media/libnbaio/NBLog.cpp6
-rw-r--r--media/libnbaio/Pipe.cpp6
-rw-r--r--media/libnbaio/PipeReader.cpp6
-rw-r--r--media/libnbaio/SourceAudioBufferProvider.cpp10
11 files changed, 101 insertions, 154 deletions
diff --git a/media/libnbaio/Android.mk b/media/libnbaio/Android.mk
index 69c75b8..9707c4a 100644
--- a/media/libnbaio/Android.mk
+++ b/media/libnbaio/Android.mk
@@ -31,9 +31,8 @@ LOCAL_SHARED_LIBRARIES := \
libcommon_time_client \
libcutils \
libutils \
- liblog \
- libmedia
-# This dependency on libmedia is for SingleStateQueueInstantiations.
-# Consider a separate a library for SingleStateQueueInstantiations.
+ liblog
+
+LOCAL_STATIC_LIBRARIES += libinstantssq
include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libnbaio/AudioBufferProviderSource.cpp b/media/libnbaio/AudioBufferProviderSource.cpp
index 74a6fdb..551f516 100644
--- a/media/libnbaio/AudioBufferProviderSource.cpp
+++ b/media/libnbaio/AudioBufferProviderSource.cpp
@@ -24,11 +24,11 @@
namespace android {
AudioBufferProviderSource::AudioBufferProviderSource(AudioBufferProvider *provider,
- NBAIO_Format format) :
+ const NBAIO_Format& format) :
NBAIO_Source(format), mProvider(provider), mConsumed(0)
{
ALOG_ASSERT(provider != NULL);
- ALOG_ASSERT(format != Format_Invalid);
+ ALOG_ASSERT(Format_isValid(format));
}
AudioBufferProviderSource::~AudioBufferProviderSource()
@@ -68,7 +68,7 @@ ssize_t AudioBufferProviderSource::read(void *buffer,
}
// count could be zero, either because count was zero on entry or
// available is zero, but both are unlikely so don't check for that
- memcpy(buffer, (char *) mBuffer.raw + (mConsumed << mBitShift), count << mBitShift);
+ memcpy(buffer, (char *) mBuffer.raw + (mConsumed * mFrameSize), count * mFrameSize);
if (CC_UNLIKELY((mConsumed += count) >= mBuffer.frameCount)) {
mProvider->releaseBuffer(&mBuffer);
mBuffer.raw = NULL;
@@ -120,7 +120,7 @@ ssize_t AudioBufferProviderSource::readVia(readVia_t via, size_t total, void *us
count = available;
}
if (CC_LIKELY(count > 0)) {
- char* readTgt = (char *) mBuffer.raw + (mConsumed << mBitShift);
+ char* readTgt = (char *) mBuffer.raw + (mConsumed * mFrameSize);
ssize_t ret = via(user, readTgt, count, readPTS);
if (CC_UNLIKELY(ret <= 0)) {
if (CC_LIKELY(accumulator > 0)) {
diff --git a/media/libnbaio/AudioStreamInSource.cpp b/media/libnbaio/AudioStreamInSource.cpp
index 05273f6..80bf61a 100644
--- a/media/libnbaio/AudioStreamInSource.cpp
+++ b/media/libnbaio/AudioStreamInSource.cpp
@@ -40,16 +40,14 @@ AudioStreamInSource::~AudioStreamInSource()
ssize_t AudioStreamInSource::negotiate(const NBAIO_Format offers[], size_t numOffers,
NBAIO_Format counterOffers[], size_t& numCounterOffers)
{
- if (mFormat == Format_Invalid) {
+ if (!Format_isValid(mFormat)) {
mStreamBufferSizeBytes = mStream->common.get_buffer_size(&mStream->common);
audio_format_t streamFormat = mStream->common.get_format(&mStream->common);
- if (streamFormat == AUDIO_FORMAT_PCM_16_BIT) {
- uint32_t sampleRate = mStream->common.get_sample_rate(&mStream->common);
- audio_channel_mask_t channelMask =
- (audio_channel_mask_t) mStream->common.get_channels(&mStream->common);
- mFormat = Format_from_SR_C(sampleRate, popcount(channelMask));
- mBitShift = Format_frameBitShift(mFormat);
- }
+ uint32_t sampleRate = mStream->common.get_sample_rate(&mStream->common);
+ audio_channel_mask_t channelMask =
+ (audio_channel_mask_t) mStream->common.get_channels(&mStream->common);
+ mFormat = Format_from_SR_C(sampleRate, popcount(channelMask), streamFormat);
+ mFrameSize = Format_frameSize(mFormat);
}
return NBAIO_Source::negotiate(offers, numOffers, counterOffers, numCounterOffers);
}
@@ -67,12 +65,12 @@ size_t AudioStreamInSource::framesOverrun()
ssize_t AudioStreamInSource::read(void *buffer, size_t count)
{
- if (CC_UNLIKELY(mFormat == Format_Invalid)) {
+ if (CC_UNLIKELY(!Format_isValid(mFormat))) {
return NEGOTIATE;
}
- ssize_t bytesRead = mStream->read(mStream, buffer, count << mBitShift);
+ ssize_t bytesRead = mStream->read(mStream, buffer, count * mFrameSize);
if (bytesRead > 0) {
- size_t framesRead = bytesRead >> mBitShift;
+ size_t framesRead = bytesRead / mFrameSize;
mFramesRead += framesRead;
return framesRead;
} else {
diff --git a/media/libnbaio/AudioStreamOutSink.cpp b/media/libnbaio/AudioStreamOutSink.cpp
index e4341d7..c28d34d 100644
--- a/media/libnbaio/AudioStreamOutSink.cpp
+++ b/media/libnbaio/AudioStreamOutSink.cpp
@@ -37,16 +37,14 @@ AudioStreamOutSink::~AudioStreamOutSink()
ssize_t AudioStreamOutSink::negotiate(const NBAIO_Format offers[], size_t numOffers,
NBAIO_Format counterOffers[], size_t& numCounterOffers)
{
- if (mFormat == Format_Invalid) {
+ if (!Format_isValid(mFormat)) {
mStreamBufferSizeBytes = mStream->common.get_buffer_size(&mStream->common);
audio_format_t streamFormat = mStream->common.get_format(&mStream->common);
- if (streamFormat == AUDIO_FORMAT_PCM_16_BIT) {
- uint32_t sampleRate = mStream->common.get_sample_rate(&mStream->common);
- audio_channel_mask_t channelMask =
- (audio_channel_mask_t) mStream->common.get_channels(&mStream->common);
- mFormat = Format_from_SR_C(sampleRate, popcount(channelMask));
- mBitShift = Format_frameBitShift(mFormat);
- }
+ uint32_t sampleRate = mStream->common.get_sample_rate(&mStream->common);
+ audio_channel_mask_t channelMask =
+ (audio_channel_mask_t) mStream->common.get_channels(&mStream->common);
+ mFormat = Format_from_SR_C(sampleRate, popcount(channelMask), streamFormat);
+ mFrameSize = Format_frameSize(mFormat);
}
return NBAIO_Sink::negotiate(offers, numOffers, counterOffers, numCounterOffers);
}
@@ -56,10 +54,10 @@ ssize_t AudioStreamOutSink::write(const void *buffer, size_t count)
if (!mNegotiated) {
return NEGOTIATE;
}
- ALOG_ASSERT(mFormat != Format_Invalid);
- ssize_t ret = mStream->write(mStream, buffer, count << mBitShift);
+ ALOG_ASSERT(Format_isValid(mFormat));
+ ssize_t ret = mStream->write(mStream, buffer, count * mFrameSize);
if (ret > 0) {
- ret >>= mBitShift;
+ ret /= mFrameSize;
mFramesWritten += ret;
} else {
// FIXME verify HAL implementations are returning the correct error codes e.g. WOULD_BLOCK
diff --git a/media/libnbaio/MonoPipe.cpp b/media/libnbaio/MonoPipe.cpp
index 3c61b60..4adf018 100644
--- a/media/libnbaio/MonoPipe.cpp
+++ b/media/libnbaio/MonoPipe.cpp
@@ -30,7 +30,24 @@
namespace android {
-MonoPipe::MonoPipe(size_t reqFrames, NBAIO_Format format, bool writeCanBlock) :
+static uint64_t cacheN; // output of CCHelper::getLocalFreq()
+static bool cacheValid; // whether cacheN is valid
+static pthread_once_t cacheOnceControl = PTHREAD_ONCE_INIT;
+
+static void cacheOnceInit()
+{
+ CCHelper tmpHelper;
+ status_t res;
+ if (OK != (res = tmpHelper.getLocalFreq(&cacheN))) {
+ ALOGE("Failed to fetch local time frequency when constructing a"
+ " MonoPipe (res = %d). getNextWriteTimestamp calls will be"
+ " non-functional", res);
+ return;
+ }
+ cacheValid = true;
+}
+
+MonoPipe::MonoPipe(size_t reqFrames, const NBAIO_Format& format, bool writeCanBlock) :
NBAIO_Sink(format),
mUpdateSeq(0),
mReqFrames(reqFrames),
@@ -47,8 +64,6 @@ MonoPipe::MonoPipe(size_t reqFrames, NBAIO_Format format, bool writeCanBlock) :
mTimestampMutator(&mTimestampShared),
mTimestampObserver(&mTimestampShared)
{
- CCHelper tmpHelper;
- status_t res;
uint64_t N, D;
mNextRdPTS = AudioBufferProvider::kInvalidPTS;
@@ -59,12 +74,13 @@ MonoPipe::MonoPipe(size_t reqFrames, NBAIO_Format format, bool writeCanBlock) :
mSamplesToLocalTime.a_to_b_denom = 0;
D = Format_sampleRate(format);
- if (OK != (res = tmpHelper.getLocalFreq(&N))) {
- ALOGE("Failed to fetch local time frequency when constructing a"
- " MonoPipe (res = %d). getNextWriteTimestamp calls will be"
- " non-functional", res);
+
+ (void) pthread_once(&cacheOnceControl, cacheOnceInit);
+ if (!cacheValid) {
+ // log has already been done
return;
}
+ N = cacheN;
LinearTransform::reduce(&N, &D);
static const uint64_t kSignedHiBitsMask = ~(0x7FFFFFFFull);
@@ -115,11 +131,11 @@ ssize_t MonoPipe::write(const void *buffer, size_t count)
part1 = written;
}
if (CC_LIKELY(part1 > 0)) {
- memcpy((char *) mBuffer + (rear << mBitShift), buffer, part1 << mBitShift);
+ memcpy((char *) mBuffer + (rear * mFrameSize), buffer, part1 * mFrameSize);
if (CC_UNLIKELY(rear + part1 == mMaxFrames)) {
size_t part2 = written - part1;
if (CC_LIKELY(part2 > 0)) {
- memcpy(mBuffer, (char *) buffer + (part1 << mBitShift), part2 << mBitShift);
+ memcpy(mBuffer, (char *) buffer + (part1 * mFrameSize), part2 * mFrameSize);
}
}
android_atomic_release_store(written + mRear, &mRear);
@@ -129,7 +145,7 @@ ssize_t MonoPipe::write(const void *buffer, size_t count)
break;
}
count -= written;
- buffer = (char *) buffer + (written << mBitShift);
+ buffer = (char *) buffer + (written * mFrameSize);
// Simulate blocking I/O by sleeping at different rates, depending on a throttle.
// The throttle tries to keep the mean pipe depth near the setpoint, with a slight jitter.
uint32_t ns;
diff --git a/media/libnbaio/MonoPipeReader.cpp b/media/libnbaio/MonoPipeReader.cpp
index 851341a..de82229 100644
--- a/media/libnbaio/MonoPipeReader.cpp
+++ b/media/libnbaio/MonoPipeReader.cpp
@@ -73,11 +73,11 @@ ssize_t MonoPipeReader::read(void *buffer, size_t count, int64_t readPTS)
part1 = red;
}
if (CC_LIKELY(part1 > 0)) {
- memcpy(buffer, (char *) mPipe->mBuffer + (front << mBitShift), part1 << mBitShift);
+ memcpy(buffer, (char *) mPipe->mBuffer + (front * mFrameSize), part1 * mFrameSize);
if (CC_UNLIKELY(front + part1 == mPipe->mMaxFrames)) {
size_t part2 = red - part1;
if (CC_LIKELY(part2 > 0)) {
- memcpy((char *) buffer + (part1 << mBitShift), mPipe->mBuffer, part2 << mBitShift);
+ memcpy((char *) buffer + (part1 * mFrameSize), mPipe->mBuffer, part2 * mFrameSize);
}
}
mPipe->updateFrontAndNRPTS(red + mPipe->mFront, nextReadPTS);
diff --git a/media/libnbaio/NBAIO.cpp b/media/libnbaio/NBAIO.cpp
index e0d2c21..ff3284c 100644
--- a/media/libnbaio/NBAIO.cpp
+++ b/media/libnbaio/NBAIO.cpp
@@ -22,119 +22,42 @@
namespace android {
-size_t Format_frameSize(NBAIO_Format format)
+size_t Format_frameSize(const NBAIO_Format& format)
{
- return Format_channelCount(format) * sizeof(short);
+ return format.mFrameSize;
}
-size_t Format_frameBitShift(NBAIO_Format format)
-{
- // sizeof(short) == 2, so frame size == 1 << channels
- return Format_channelCount(format);
-}
-
-enum {
- Format_SR_8000,
- Format_SR_11025,
- Format_SR_16000,
- Format_SR_22050,
- Format_SR_24000,
- Format_SR_32000,
- Format_SR_44100,
- Format_SR_48000,
- Format_SR_Mask = 7
-};
-
-enum {
- Format_C_1 = 0x08,
- Format_C_2 = 0x10,
- Format_C_Mask = 0x18
-};
+const NBAIO_Format Format_Invalid = { 0, 0, AUDIO_FORMAT_INVALID, 0 };
-unsigned Format_sampleRate(NBAIO_Format format)
+unsigned Format_sampleRate(const NBAIO_Format& format)
{
- if (format == Format_Invalid) {
- return 0;
- }
- switch (format & Format_SR_Mask) {
- case Format_SR_8000:
- return 8000;
- case Format_SR_11025:
- return 11025;
- case Format_SR_16000:
- return 16000;
- case Format_SR_22050:
- return 22050;
- case Format_SR_24000:
- return 24000;
- case Format_SR_32000:
- return 32000;
- case Format_SR_44100:
- return 44100;
- case Format_SR_48000:
- return 48000;
- default:
+ if (!Format_isValid(format)) {
return 0;
}
+ return format.mSampleRate;
}
-unsigned Format_channelCount(NBAIO_Format format)
+unsigned Format_channelCount(const NBAIO_Format& format)
{
- if (format == Format_Invalid) {
- return 0;
- }
- switch (format & Format_C_Mask) {
- case Format_C_1:
- return 1;
- case Format_C_2:
- return 2;
- default:
+ if (!Format_isValid(format)) {
return 0;
}
+ return format.mChannelCount;
}
-NBAIO_Format Format_from_SR_C(unsigned sampleRate, unsigned channelCount)
+NBAIO_Format Format_from_SR_C(unsigned sampleRate, unsigned channelCount,
+ audio_format_t format)
{
- NBAIO_Format format;
- switch (sampleRate) {
- case 8000:
- format = Format_SR_8000;
- break;
- case 11025:
- format = Format_SR_11025;
- break;
- case 16000:
- format = Format_SR_16000;
- break;
- case 22050:
- format = Format_SR_22050;
- break;
- case 24000:
- format = Format_SR_24000;
- break;
- case 32000:
- format = Format_SR_32000;
- break;
- case 44100:
- format = Format_SR_44100;
- break;
- case 48000:
- format = Format_SR_48000;
- break;
- default:
+ if (sampleRate == 0 || channelCount == 0 || !audio_is_valid_format(format)) {
return Format_Invalid;
}
- switch (channelCount) {
- case 1:
- format |= Format_C_1;
- break;
- case 2:
- format |= Format_C_2;
- break;
- default:
- return Format_Invalid;
- }
- return format;
+ NBAIO_Format ret;
+ ret.mSampleRate = sampleRate;
+ ret.mChannelCount = channelCount;
+ ret.mFormat = format;
+ ret.mFrameSize = audio_is_linear_pcm(format) ?
+ channelCount * audio_bytes_per_sample(format) : sizeof(uint8_t);
+ return ret;
}
// This is a default implementation; it is expected that subclasses will optimize this.
@@ -216,9 +139,9 @@ ssize_t NBAIO_Port::negotiate(const NBAIO_Format offers[], size_t numOffers,
{
ALOGV("negotiate offers=%p numOffers=%u countersOffers=%p numCounterOffers=%u",
offers, numOffers, counterOffers, numCounterOffers);
- if (mFormat != Format_Invalid) {
+ if (Format_isValid(mFormat)) {
for (size_t i = 0; i < numOffers; ++i) {
- if (offers[i] == mFormat) {
+ if (Format_isEqual(offers[i], mFormat)) {
mNegotiated = true;
return i;
}
@@ -233,4 +156,17 @@ ssize_t NBAIO_Port::negotiate(const NBAIO_Format offers[], size_t numOffers,
return (ssize_t) NEGOTIATE;
}
+bool Format_isValid(const NBAIO_Format& format)
+{
+ return format.mSampleRate != 0 && format.mChannelCount != 0 &&
+ format.mFormat != AUDIO_FORMAT_INVALID && format.mFrameSize != 0;
+}
+
+bool Format_isEqual(const NBAIO_Format& format1, const NBAIO_Format& format2)
+{
+ return format1.mSampleRate == format2.mSampleRate &&
+ format1.mChannelCount == format2.mChannelCount && format1.mFormat == format2.mFormat &&
+ format1.mFrameSize == format2.mFrameSize;
+}
+
} // namespace android
diff --git a/media/libnbaio/NBLog.cpp b/media/libnbaio/NBLog.cpp
index 8dfb4f0..4d9a1fa 100644
--- a/media/libnbaio/NBLog.cpp
+++ b/media/libnbaio/NBLog.cpp
@@ -341,8 +341,8 @@ void NBLog::Reader::dump(int fd, size_t indent)
mFd = fd;
mIndent = indent;
String8 timestamp, body;
- if (i > 0) {
- lost += i;
+ lost += i;
+ if (lost > 0) {
body.appendFormat("warning: lost %zu bytes worth of events", lost);
// TODO timestamp empty here, only other choice to wait for the first timestamp event in the
// log to push it out. Consider keeping the timestamp/body between calls to readAt().
@@ -447,7 +447,7 @@ void NBLog::Reader::dumpLine(const String8& timestamp, String8& body)
bool NBLog::Reader::isIMemory(const sp<IMemory>& iMemory) const
{
- return iMemory.get() == mIMemory.get();
+ return iMemory != 0 && mIMemory != 0 && iMemory->pointer() == mIMemory->pointer();
}
} // namespace android
diff --git a/media/libnbaio/Pipe.cpp b/media/libnbaio/Pipe.cpp
index 1c21f9c..28a034c 100644
--- a/media/libnbaio/Pipe.cpp
+++ b/media/libnbaio/Pipe.cpp
@@ -25,7 +25,7 @@
namespace android {
-Pipe::Pipe(size_t maxFrames, NBAIO_Format format) :
+Pipe::Pipe(size_t maxFrames, const NBAIO_Format& format) :
NBAIO_Sink(format),
mMaxFrames(roundup(maxFrames)),
mBuffer(malloc(mMaxFrames * Format_frameSize(format))),
@@ -52,13 +52,13 @@ ssize_t Pipe::write(const void *buffer, size_t count)
if (CC_LIKELY(written > count)) {
written = count;
}
- memcpy((char *) mBuffer + (rear << mBitShift), buffer, written << mBitShift);
+ memcpy((char *) mBuffer + (rear * mFrameSize), buffer, written * mFrameSize);
if (CC_UNLIKELY(rear + written == mMaxFrames)) {
if (CC_UNLIKELY((count -= written) > rear)) {
count = rear;
}
if (CC_LIKELY(count > 0)) {
- memcpy(mBuffer, (char *) buffer + (written << mBitShift), count << mBitShift);
+ memcpy(mBuffer, (char *) buffer + (written * mFrameSize), count * mFrameSize);
written += count;
}
}
diff --git a/media/libnbaio/PipeReader.cpp b/media/libnbaio/PipeReader.cpp
index d786b84..c8e4953 100644
--- a/media/libnbaio/PipeReader.cpp
+++ b/media/libnbaio/PipeReader.cpp
@@ -59,7 +59,7 @@ ssize_t PipeReader::availableToRead()
return avail;
}
-ssize_t PipeReader::read(void *buffer, size_t count, int64_t readPTS)
+ssize_t PipeReader::read(void *buffer, size_t count, int64_t readPTS __unused)
{
ssize_t avail = availableToRead();
if (CC_UNLIKELY(avail <= 0)) {
@@ -76,14 +76,14 @@ ssize_t PipeReader::read(void *buffer, size_t count, int64_t readPTS)
red = count;
}
// In particular, an overrun during the memcpy will result in reading corrupt data
- memcpy(buffer, (char *) mPipe.mBuffer + (front << mBitShift), red << mBitShift);
+ memcpy(buffer, (char *) mPipe.mBuffer + (front * mFrameSize), red * mFrameSize);
// We could re-read the rear pointer here to detect the corruption, but why bother?
if (CC_UNLIKELY(front + red == mPipe.mMaxFrames)) {
if (CC_UNLIKELY((count -= red) > front)) {
count = front;
}
if (CC_LIKELY(count > 0)) {
- memcpy((char *) buffer + (red << mBitShift), mPipe.mBuffer, count << mBitShift);
+ memcpy((char *) buffer + (red * mFrameSize), mPipe.mBuffer, count * mFrameSize);
red += count;
}
}
diff --git a/media/libnbaio/SourceAudioBufferProvider.cpp b/media/libnbaio/SourceAudioBufferProvider.cpp
index 062fa0f..e21ef48 100644
--- a/media/libnbaio/SourceAudioBufferProvider.cpp
+++ b/media/libnbaio/SourceAudioBufferProvider.cpp
@@ -24,7 +24,7 @@ namespace android {
SourceAudioBufferProvider::SourceAudioBufferProvider(const sp<NBAIO_Source>& source) :
mSource(source),
- // mFrameBitShiftFormat below
+ // mFrameSize below
mAllocated(NULL), mSize(0), mOffset(0), mRemaining(0), mGetCount(0), mFramesReleased(0)
{
ALOG_ASSERT(source != 0);
@@ -37,7 +37,7 @@ SourceAudioBufferProvider::SourceAudioBufferProvider(const sp<NBAIO_Source>& sou
numCounterOffers = 0;
index = source->negotiate(counterOffers, 1, NULL, numCounterOffers);
ALOG_ASSERT(index == 0);
- mFrameBitShift = Format_frameBitShift(source->format());
+ mFrameSize = Format_frameSize(source->format());
}
SourceAudioBufferProvider::~SourceAudioBufferProvider()
@@ -54,14 +54,14 @@ status_t SourceAudioBufferProvider::getNextBuffer(Buffer *buffer, int64_t pts)
if (mRemaining < buffer->frameCount) {
buffer->frameCount = mRemaining;
}
- buffer->raw = (char *) mAllocated + (mOffset << mFrameBitShift);
+ buffer->raw = (char *) mAllocated + (mOffset * mFrameSize);
mGetCount = buffer->frameCount;
return OK;
}
// do we need to reallocate?
if (buffer->frameCount > mSize) {
free(mAllocated);
- mAllocated = malloc(buffer->frameCount << mFrameBitShift);
+ mAllocated = malloc(buffer->frameCount * mFrameSize);
mSize = buffer->frameCount;
}
// read from source
@@ -84,7 +84,7 @@ status_t SourceAudioBufferProvider::getNextBuffer(Buffer *buffer, int64_t pts)
void SourceAudioBufferProvider::releaseBuffer(Buffer *buffer)
{
ALOG_ASSERT((buffer != NULL) &&
- (buffer->raw == (char *) mAllocated + (mOffset << mFrameBitShift)) &&
+ (buffer->raw == (char *) mAllocated + (mOffset * mFrameSize)) &&
(buffer->frameCount <= mGetCount) &&
(mGetCount <= mRemaining) &&
(mOffset + mRemaining <= mSize));
generated by cgit v1.1 at 2024-05-28 14:02:48 +0000