| /* |
| ** |
| ** 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("setOutputFile failed: %d", ret); |
| mCurrentState = MEDIA_RECORDER_ERROR; |
| return UNKNOWN_ERROR; |
| } |
| mIsOutputFileSet = true; |
| return ret; |
| } |
| |
| status_t MediaRecorder::setOutputFile(int fd, int64_t offset, int64_t length) |
| { |
| LOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length); |
| 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(fd, offset, length); |
| if (OK != ret) { |
| LOGV("setOutputFile 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("prepare 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("getMaxAmplitude 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()); |
| } |
| 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 |
| |
