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-rw-r--r--services/audioflinger/Android.mk1
-rw-r--r--services/audioflinger/AudioBufferProvider.cpp28
-rw-r--r--services/audioflinger/AudioBufferProvider.h7
-rw-r--r--services/audioflinger/AudioFlinger.cpp16
-rw-r--r--services/audioflinger/AudioFlinger.h28
-rw-r--r--services/audioflinger/AudioMixer.cpp4
6 files changed, 31 insertions, 53 deletions
diff --git a/services/audioflinger/Android.mk b/services/audioflinger/Android.mk
index 22fa752..86692e7 100644
--- a/services/audioflinger/Android.mk
+++ b/services/audioflinger/Android.mk
@@ -7,7 +7,6 @@ LOCAL_SRC_FILES:= \
AudioMixer.cpp.arm \
AudioResampler.cpp.arm \
AudioPolicyService.cpp \
- AudioBufferProvider.cpp \
ServiceUtilities.cpp
# AudioResamplerSinc.cpp.arm
# AudioResamplerCubic.cpp.arm
diff --git a/services/audioflinger/AudioBufferProvider.cpp b/services/audioflinger/AudioBufferProvider.cpp
deleted file mode 100644
index 678fd58..0000000
--- a/services/audioflinger/AudioBufferProvider.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#undef __STRICT_ANSI__
-#define __STDINT_LIMITS
-#define __STDC_LIMIT_MACROS
-#include <stdint.h>
-
-#include "AudioBufferProvider.h"
-
-namespace android {
-
-const int64_t AudioBufferProvider::kInvalidPTS = INT64_MAX;
-
-}; // namespace android
diff --git a/services/audioflinger/AudioBufferProvider.h b/services/audioflinger/AudioBufferProvider.h
index 62ad6bd..43e4de7 100644
--- a/services/audioflinger/AudioBufferProvider.h
+++ b/services/audioflinger/AudioBufferProvider.h
@@ -17,8 +17,6 @@
#ifndef ANDROID_AUDIO_BUFFER_PROVIDER_H
#define ANDROID_AUDIO_BUFFER_PROVIDER_H
-#include <stdint.h>
-#include <sys/types.h>
#include <utils/Errors.h>
namespace android {
@@ -29,6 +27,7 @@ class AudioBufferProvider
public:
struct Buffer {
+ Buffer() : raw(NULL), frameCount(0) { }
union {
void* raw;
short* i16;
@@ -40,12 +39,12 @@ public:
virtual ~AudioBufferProvider() {}
// value representing an invalid presentation timestamp
- static const int64_t kInvalidPTS;
+ static const int64_t kInvalidPTS = 0x7FFFFFFFFFFFFFFFLL; // <stdint.h> is too painful
// pts is the local time when the next sample yielded by getNextBuffer
// will be rendered.
// Pass kInvalidPTS if the PTS is unknown or not applicable.
- virtual status_t getNextBuffer(Buffer* buffer, int64_t pts) = 0;
+ virtual status_t getNextBuffer(Buffer* buffer, int64_t pts = kInvalidPTS) = 0;
virtual void releaseBuffer(Buffer* buffer) = 0;
};
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 6256951..fd160ab 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -2891,8 +2891,7 @@ bool AudioFlinger::DirectOutputThread::threadLoop()
// output audio to hardware
while (frameCount) {
buffer.frameCount = frameCount;
- activeTrack->getNextBuffer(&buffer,
- AudioBufferProvider::kInvalidPTS);
+ activeTrack->getNextBuffer(&buffer);
if (CC_UNLIKELY(buffer.raw == NULL)) {
memset(curBuf, 0, frameCount * mFrameSize);
break;
@@ -3398,11 +3397,14 @@ AudioFlinger::ThreadBase::TrackBase::~TrackBase()
}
}
+// AudioBufferProvider interface
+// getNextBuffer() = 0;
+// This implementation of releaseBuffer() is used by Track and RecordTrack, but not TimedTrack
void AudioFlinger::ThreadBase::TrackBase::releaseBuffer(AudioBufferProvider::Buffer* buffer)
{
buffer->raw = NULL;
mFrameCount = buffer->frameCount;
- step();
+ (void) step(); // ignore return value of step()
buffer->frameCount = 0;
}
@@ -3548,6 +3550,7 @@ void AudioFlinger::PlaybackThread::Track::dump(char* buffer, size_t size)
(int)mAuxBuffer);
}
+// AudioBufferProvider interface
status_t AudioFlinger::PlaybackThread::Track::getNextBuffer(
AudioBufferProvider::Buffer* buffer, int64_t pts)
{
@@ -4096,6 +4099,7 @@ void AudioFlinger::PlaybackThread::TimedTrack::timedYieldSilence(
mTimedAudioOutputOnTime = false;
}
+// AudioBufferProvider interface
void AudioFlinger::PlaybackThread::TimedTrack::releaseBuffer(
AudioBufferProvider::Buffer* buffer) {
@@ -4181,6 +4185,7 @@ AudioFlinger::RecordThread::RecordTrack::~RecordTrack()
}
}
+// AudioBufferProvider interface
status_t AudioFlinger::RecordThread::RecordTrack::getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts)
{
audio_track_cblk_t* cblk = this->cblk();
@@ -4868,8 +4873,7 @@ bool AudioFlinger::RecordThread::threadLoop()
}
buffer.frameCount = mFrameCount;
- if (CC_LIKELY(mActiveTrack->getNextBuffer(
- &buffer, AudioBufferProvider::kInvalidPTS) == NO_ERROR)) {
+ if (CC_LIKELY(mActiveTrack->getNextBuffer(&buffer) == NO_ERROR)) {
size_t framesOut = buffer.frameCount;
if (mResampler == NULL) {
// no resampling
@@ -5147,6 +5151,7 @@ status_t AudioFlinger::RecordThread::dump(int fd, const Vector<String16>& args)
return NO_ERROR;
}
+// AudioBufferProvider interface
status_t AudioFlinger::RecordThread::getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts)
{
size_t framesReq = buffer->frameCount;
@@ -5185,6 +5190,7 @@ status_t AudioFlinger::RecordThread::getNextBuffer(AudioBufferProvider::Buffer*
return NO_ERROR;
}
+// AudioBufferProvider interface
void AudioFlinger::RecordThread::releaseBuffer(AudioBufferProvider::Buffer* buffer)
{
mRsmpInIndex += buffer->frameCount;
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 1a52de5..559d2cc 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -346,9 +346,8 @@ private:
TrackBase(const TrackBase&);
TrackBase& operator = (const TrackBase&);
- virtual status_t getNextBuffer(
- AudioBufferProvider::Buffer* buffer,
- int64_t pts) = 0;
+ // AudioBufferProvider interface
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts) = 0;
virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
audio_format_t format() const {
@@ -634,9 +633,10 @@ private:
Track(const Track&);
Track& operator = (const Track&);
- virtual status_t getNextBuffer(
- AudioBufferProvider::Buffer* buffer,
- int64_t pts);
+ // AudioBufferProvider interface
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts = kInvalidPTS);
+ // releaseBuffer() not overridden
+
virtual uint32_t framesReady() const;
bool isMuted() const { return mMute; }
@@ -703,9 +703,10 @@ private:
virtual uint32_t framesReady() const;
- virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer,
- int64_t pts);
+ // AudioBufferProvider interface
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts);
virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
+
void timedYieldSamples(AudioBufferProvider::Buffer* buffer);
void timedYieldSilence(uint32_t numFrames,
AudioBufferProvider::Buffer* buffer);
@@ -1067,9 +1068,9 @@ private:
RecordTrack(const RecordTrack&);
RecordTrack& operator = (const RecordTrack&);
- virtual status_t getNextBuffer(
- AudioBufferProvider::Buffer* buffer,
- int64_t pts);
+ // AudioBufferProvider interface
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts = kInvalidPTS);
+ // releaseBuffer() not overridden
bool mOverflow;
};
@@ -1106,9 +1107,10 @@ private:
AudioStreamIn* clearInput();
virtual audio_stream_t* stream();
- virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer,
- int64_t pts);
+ // AudioBufferProvider interface
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts);
virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
+
virtual bool checkForNewParameters_l();
virtual String8 getParameters(const String8& keys);
virtual void audioConfigChanged_l(int event, int param = 0);
diff --git a/services/audioflinger/AudioMixer.cpp b/services/audioflinger/AudioMixer.cpp
index 020d62a..2cec525 100644
--- a/services/audioflinger/AudioMixer.cpp
+++ b/services/audioflinger/AudioMixer.cpp
@@ -332,11 +332,11 @@ size_t AudioMixer::getUnreleasedFrames(int name) const
return 0;
}
-void AudioMixer::setBufferProvider(int name, AudioBufferProvider* buffer)
+void AudioMixer::setBufferProvider(int name, AudioBufferProvider* bufferProvider)
{
name -= TRACK0;
assert(uint32_t(name) < MAX_NUM_TRACKS);
- mState.tracks[name].bufferProvider = buffer;
+ mState.tracks[name].bufferProvider = bufferProvider;
}
generated by cgit v1.1 at 2024-06-01 01:00:42 +0000