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/*
** 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.
*/
#ifndef ANDROID_MEDIARECORDER_H
#define ANDROID_MEDIARECORDER_H
#include <utils/Log.h>
#include <utils/threads.h>
#include <utils/List.h>
#include <utils/Errors.h>
#include <media/IMediaRecorderClient.h>
#include <media/IMediaDeathNotifier.h>
namespace android {
class Surface;
class IMediaRecorder;
class ICamera;
class ICameraRecordingProxy;
class ISurfaceTexture;
class SurfaceTextureClient;
typedef void (*media_completion_f)(status_t status, void *cookie);
enum video_source {
VIDEO_SOURCE_DEFAULT = 0,
VIDEO_SOURCE_CAMERA = 1,
VIDEO_SOURCE_GRALLOC_BUFFER = 2,
VIDEO_SOURCE_LIST_END // must be last - used to validate audio source type
};
//Please update media/java/android/media/MediaRecorder.java if the following is updated.
enum output_format {
OUTPUT_FORMAT_DEFAULT = 0,
OUTPUT_FORMAT_THREE_GPP = 1,
OUTPUT_FORMAT_MPEG_4 = 2,
OUTPUT_FORMAT_AUDIO_ONLY_START = 3, // Used in validating the output format. Should be the
// at the start of the audio only output formats.
/* These are audio only file formats */
OUTPUT_FORMAT_RAW_AMR = 3, //to be backward compatible
OUTPUT_FORMAT_AMR_NB = 3,
OUTPUT_FORMAT_AMR_WB = 4,
OUTPUT_FORMAT_AAC_ADIF = 5,
OUTPUT_FORMAT_AAC_ADTS = 6,
/* Stream over a socket, limited to a single stream */
OUTPUT_FORMAT_RTP_AVP = 7,
/* H.264/AAC data encapsulated in MPEG2/TS */
OUTPUT_FORMAT_MPEG2TS = 8,
OUTPUT_FORMAT_LIST_END // must be last - used to validate format type
};
enum audio_encoder {
AUDIO_ENCODER_DEFAULT = 0,
AUDIO_ENCODER_AMR_NB = 1,
AUDIO_ENCODER_AMR_WB = 2,
AUDIO_ENCODER_AAC = 3,
AUDIO_ENCODER_AAC_PLUS = 4,
AUDIO_ENCODER_EAAC_PLUS = 5,
AUDIO_ENCODER_LIST_END // must be the last - used to validate the audio encoder type
};
enum video_encoder {
VIDEO_ENCODER_DEFAULT = 0,
VIDEO_ENCODER_H263 = 1,
VIDEO_ENCODER_H264 = 2,
VIDEO_ENCODER_MPEG_4_SP = 3,
VIDEO_ENCODER_LIST_END // must be the last - used to validate the video encoder type
};
/*
* The state machine of the media_recorder.
*/
enum media_recorder_states {
// Error state.
MEDIA_RECORDER_ERROR = 0,
// Recorder was just created.
MEDIA_RECORDER_IDLE = 1 << 0,
// Recorder has been initialized.
MEDIA_RECORDER_INITIALIZED = 1 << 1,
// Configuration of the recorder has been completed.
MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2,
// Recorder is ready to start.
MEDIA_RECORDER_PREPARED = 1 << 3,
// Recording is in progress.
MEDIA_RECORDER_RECORDING = 1 << 4,
};
// The "msg" code passed to the listener in notify.
enum media_recorder_event_type {
MEDIA_RECORDER_EVENT_LIST_START = 1,
MEDIA_RECORDER_EVENT_ERROR = 1,
MEDIA_RECORDER_EVENT_INFO = 2,
MEDIA_RECORDER_EVENT_LIST_END = 99,
// Track related event types
MEDIA_RECORDER_TRACK_EVENT_LIST_START = 100,
MEDIA_RECORDER_TRACK_EVENT_ERROR = 100,
MEDIA_RECORDER_TRACK_EVENT_INFO = 101,
MEDIA_RECORDER_TRACK_EVENT_LIST_END = 1000,
};
/*
* The (part of) "what" code passed to the listener in notify.
* When the error or info type is track specific, the what has
* the following layout:
* the left-most 16-bit is meant for error or info type.
* the right-most 4-bit is meant for track id.
* the rest is reserved.
*
* | track id | reserved | error or info type |
* 31 28 16 0
*
*/
enum media_recorder_error_type {
MEDIA_RECORDER_ERROR_UNKNOWN = 1,
// Track related error type
MEDIA_RECORDER_TRACK_ERROR_LIST_START = 100,
MEDIA_RECORDER_TRACK_ERROR_GENERAL = 100,
MEDIA_RECORDER_ERROR_VIDEO_NO_SYNC_FRAME = 200,
MEDIA_RECORDER_TRACK_ERROR_LIST_END = 1000,
};
// The codes are distributed as follow:
// 0xx: Reserved
// 8xx: General info/warning
//
enum media_recorder_info_type {
MEDIA_RECORDER_INFO_UNKNOWN = 1,
MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800,
MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801,
// All track related informtional events start here
MEDIA_RECORDER_TRACK_INFO_LIST_START = 1000,
MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS = 1000,
MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME = 1001,
MEDIA_RECORDER_TRACK_INFO_TYPE = 1002,
MEDIA_RECORDER_TRACK_INFO_DURATION_MS = 1003,
// The time to measure the max chunk duration
MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS = 1004,
MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES = 1005,
// The time to measure how well the audio and video
// track data is interleaved.
MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS = 1006,
// The time to measure system response. Note that
// the delay does not include the intentional delay
// we use to eliminate the recording sound.
MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS = 1007,
// The time used to compensate for initial A/V sync.
MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS = 1008,
// Total number of bytes of the media data.
MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES = 1009,
MEDIA_RECORDER_TRACK_INFO_LIST_END = 2000,
};
// ----------------------------------------------------------------------------
// ref-counted object for callbacks
class MediaRecorderListener: virtual public RefBase
{
public:
virtual void notify(int msg, int ext1, int ext2) = 0;
};
class MediaRecorder : public BnMediaRecorderClient,
public virtual IMediaDeathNotifier
{
public:
MediaRecorder();
~MediaRecorder();
void died();
status_t initCheck();
status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
status_t setPreviewSurface(const sp<Surface>& surface);
status_t setVideoSource(int vs);
status_t setAudioSource(int as);
status_t setOutputFormat(int of);
status_t setVideoEncoder(int ve);
status_t setAudioEncoder(int ae);
status_t setOutputFile(const char* path);
status_t setOutputFile(int fd, int64_t offset, int64_t length);
status_t setVideoSize(int width, int height);
status_t setVideoFrameRate(int frames_per_second);
status_t setParameters(const String8& params);
status_t setListener(const sp<MediaRecorderListener>& listener);
status_t prepare();
status_t getMaxAmplitude(int* max);
status_t start();
status_t stop();
status_t reset();
status_t init();
status_t close();
status_t release();
void notify(int msg, int ext1, int ext2);
sp<ISurfaceTexture> querySurfaceMediaSourceFromMediaServer();
private:
void doCleanUp();
status_t doReset();
sp<IMediaRecorder> mMediaRecorder;
sp<MediaRecorderListener> mListener;
// Reference toISurfaceTexture
// for encoding GL Frames. That is useful only when the
// video source is set to VIDEO_SOURCE_GRALLOC_BUFFER
sp<ISurfaceTexture> mSurfaceMediaSource;
media_recorder_states mCurrentState;
bool mIsAudioSourceSet;
bool mIsVideoSourceSet;
bool mIsAudioEncoderSet;
bool mIsVideoEncoderSet;
bool mIsOutputFileSet;
Mutex mLock;
Mutex mNotifyLock;
};
}; // namespace android
#endif // ANDROID_MEDIARECORDER_H