1 files changed, 518 insertions, 0 deletions
diff --git a/media/libmedia/mediarecorder.cpp b/media/libmedia/mediarecorder.cpp
new file mode 100644
index 0000000..825e145
--- /dev/null
+++ b/media/libmedia/mediarecorder.cpp
@@ -0,0 +1,518 @@
+/*
+ **
+ ** Copyright (c) 2008 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaRecorder"
+#include <utils/Log.h>
+#include <ui/Surface.h>
+#include <media/mediarecorder.h>
+#include <utils/IServiceManager.h>
+#include <media/IMediaPlayerService.h>
+#include <media/IMediaRecorder.h>
+
+namespace android {
+
+status_t MediaRecorder::setCamera(const sp<ICamera>& camera)
+{
+    LOGV("setCamera(%p)", camera.get());
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_IDLE)) {
+        LOGE("setCamera called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setCamera(camera);
+    if (OK != ret) {
+        LOGV("setCamera failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    return ret;
+}
+
+status_t MediaRecorder::setPreviewSurface(const sp<Surface>& surface)
+{
+    LOGV("setPreviewSurface(%p)", surface.get());
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setPreviewSurface called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setPreviewSurface(surface->getISurface());
+    if (OK != ret) {
+        LOGV("setPreviewSurface failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    return ret;
+}
+
+status_t MediaRecorder::init()
+{
+    LOGV("init");
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_IDLE)) {
+        LOGE("init called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->init();
+    if (OK != ret) {
+        LOGV("init failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mCurrentState = MEDIA_RECORDER_INITIALIZED;
+    return ret;
+}
+
+status_t MediaRecorder::setVideoSource(int vs)
+{
+    LOGV("setVideoSource(%d)", vs);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mIsVideoSourceSet) {
+        LOGE("video source has already been set");
+        return INVALID_OPERATION;
+    }
+    if (mCurrentState & MEDIA_RECORDER_IDLE) {
+        LOGV("Call init() since the media recorder is not initialized yet");
+        status_t ret = init();
+        if (OK != ret) {
+            return ret;
+        }
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
+        LOGE("setVideoSource called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setVideoSource(vs);
+    if (OK != ret) {
+        LOGV("setVideoSource failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mIsVideoSourceSet = true;
+    return ret;
+}
+
+status_t MediaRecorder::setAudioSource(int as)
+{
+    LOGV("setAudioSource(%d)", as);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mCurrentState & MEDIA_RECORDER_IDLE) {
+        LOGV("Call init() since the media recorder is not initialized yet");
+        status_t ret = init();
+        if (OK != ret) {
+            return ret;
+        }
+    }
+    if (mIsAudioSourceSet) {
+        LOGE("audio source has already been set");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
+        LOGE("setAudioSource called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setAudioSource(as);
+    if (OK != ret) {
+        LOGV("setAudioSource failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mIsAudioSourceSet = true;
+    return ret;
+}
+
+status_t MediaRecorder::setOutputFormat(int of)
+{
+    LOGV("setOutputFormat(%d)", of);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
+        LOGE("setOutputFormat called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setOutputFormat(of);
+    if (OK != ret) {
+        LOGE("setOutputFormat failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mCurrentState = MEDIA_RECORDER_DATASOURCE_CONFIGURED;
+    return ret;
+}
+
+status_t MediaRecorder::setVideoEncoder(int ve)
+{
+    LOGV("setVideoEncoder(%d)", ve);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mIsVideoEncoderSet) {
+        LOGE("video encoder has already been set");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setVideoEncoder called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setVideoEncoder(ve);
+    if (OK != ret) {
+        LOGV("setVideoEncoder failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mIsVideoEncoderSet = true;
+    return ret;
+}
+
+status_t MediaRecorder::setAudioEncoder(int ae)
+{
+    LOGV("setAudioEncoder(%d)", ae);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mIsAudioEncoderSet) {
+        LOGE("audio encoder has already been set");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setAudioEncoder called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setAudioEncoder(ae);
+    if (OK != ret) {
+        LOGV("setAudioEncoder failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mIsAudioEncoderSet = true;
+    return ret;
+}
+
+status_t MediaRecorder::setOutputFile(const char* path)
+{
+    LOGV("setOutputFile(%s)", path);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mIsOutputFileSet) {
+        LOGE("output file has already been set");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setOutputFile called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setOutputFile(path);
+    if (OK != ret) {
+        LOGV("setAudioEncoder failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mIsOutputFileSet = true;
+    return ret;
+}
+
+status_t MediaRecorder::setVideoSize(int width, int height)
+{
+    LOGV("setVideoSize(%d, %d)", width, height);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setVideoSize called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setVideoSize(width, height);
+    if (OK != ret) {
+        LOGE("setVideoSize failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    return ret;
+}
+
+status_t MediaRecorder::setVideoFrameRate(int frames_per_second)
+{
+    LOGV("setVideoFrameRate(%d)", frames_per_second);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setVideoFrameRate called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setVideoFrameRate(frames_per_second);
+    if (OK != ret) {
+        LOGE("setVideoFrameRate failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    return ret;
+}
+
+status_t MediaRecorder::prepare()
+{
+    LOGV("prepare");
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setVideoFrameRate called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->prepare();
+    if (OK != ret) {
+        LOGE("prepare failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mCurrentState = MEDIA_RECORDER_PREPARED;
+    return ret;
+}
+
+status_t MediaRecorder::getMaxAmplitude(int* max)
+{
+    LOGV("getMaxAmplitude");
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mCurrentState & MEDIA_RECORDER_ERROR) {
+        LOGE("setVideoFrameRate called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->getMaxAmplitude(max);
+    if (OK != ret) {
+        LOGE("getMaxAmplitude failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    return ret;
+}
+
+status_t MediaRecorder::start()
+{
+    LOGV("start");
+    if (mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_PREPARED)) {
+        LOGE("start called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->start();
+    if (OK != ret) {
+        LOGE("start failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mCurrentState = MEDIA_RECORDER_RECORDING;
+    return ret;
+}
+
+status_t MediaRecorder::stop()
+{
+    LOGV("stop");
+    if (mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_RECORDING)) {
+        LOGE("stop called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->stop();
+    if (OK != ret) {
+        LOGE("stop failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mCurrentState = MEDIA_RECORDER_IDLE;
+    return ret;
+}
+
+// Reset should be OK in any state
+status_t MediaRecorder::reset()
+{
+    LOGV("reset");
+    if (mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    
+    doCleanUp();
+    status_t ret = UNKNOWN_ERROR;
+    switch(mCurrentState) {
+        case MEDIA_RECORDER_IDLE:
+            ret = OK;
+            break;
+
+        case MEDIA_RECORDER_RECORDING:
+        case MEDIA_RECORDER_DATASOURCE_CONFIGURED:
+        case MEDIA_RECORDER_PREPARED:
+        case MEDIA_RECORDER_ERROR: {
+            ret = doReset();
+            if (OK != ret) {
+               return ret;  // No need to continue
+            }
+        }  // Intentional fall through
+        case MEDIA_RECORDER_INITIALIZED:
+            ret = close();
+            break;
+
+        default: {
+            LOGE("Unexpected non-existing state: %d", mCurrentState);
+            break;
+        }
+    }
+    return ret;
+}
+
+status_t MediaRecorder::close()
+{
+    LOGV("close");
+    if (!(mCurrentState & MEDIA_RECORDER_INITIALIZED)) {
+        LOGE("close called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+    status_t ret = mMediaRecorder->close();
+    if (OK != ret) {
+        LOGE("close failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    } else {
+        mCurrentState = MEDIA_RECORDER_IDLE;
+    }
+    return ret;
+}
+
+status_t MediaRecorder::doReset()
+{
+    LOGV("doReset");
+    status_t ret = mMediaRecorder->reset();
+    if (OK != ret) {
+        LOGE("doReset failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    } else {
+        mCurrentState = MEDIA_RECORDER_INITIALIZED;
+    }
+    return ret;
+}
+
+void MediaRecorder::doCleanUp()
+{
+    LOGV("doCleanUp");
+    mIsAudioSourceSet  = false;
+    mIsVideoSourceSet  = false;
+    mIsAudioEncoderSet = false;
+    mIsVideoEncoderSet = false;
+    mIsOutputFileSet   = false;
+}
+
+// Release should be OK in any state
+status_t MediaRecorder::release()
+{
+    LOGV("release");
+    if (mMediaRecorder != NULL) {
+        return mMediaRecorder->release();
+    }
+    return INVALID_OPERATION;
+}
+
+MediaRecorder::MediaRecorder()
+{
+    LOGV("constructor");
+    sp<IServiceManager> sm = defaultServiceManager();
+    sp<IBinder> binder;
+
+    do {
+        binder = sm->getService(String16("media.player"));
+        if (binder != NULL) {
+            break;
+        }
+        LOGW("MediaPlayerService not published, waiting...");
+        usleep(500000); // 0.5 s
+    } while(true);
+
+    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
+    if (service != NULL) {
+        mMediaRecorder = service->createMediaRecorder(getpid());
+    }
+
+    mMediaRecorder = service->createMediaRecorder(getpid());
+    if (mMediaRecorder != NULL) {
+        mCurrentState = MEDIA_RECORDER_IDLE;
+    }
+    doCleanUp();
+}
+
+status_t MediaRecorder::initCheck()
+{
+    return mMediaRecorder != 0 ? NO_ERROR : NO_INIT;
+}
+
+MediaRecorder::~MediaRecorder()
+{
+    LOGV("destructor");
+    if (mMediaRecorder != NULL) {
+        mMediaRecorder.clear();
+    }
+}
+
+}; // namespace android
+