/*
**
** Copyright 2010, 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_MEDIAPROFILES_H
#define ANDROID_MEDIAPROFILES_H
#include <utils/threads.h>
#include <media/mediarecorder.h>
namespace android {
enum camcorder_quality {
CAMCORDER_QUALITY_LOW = 0,
CAMCORDER_QUALITY_HIGH = 1
};
enum video_decoder {
VIDEO_DECODER_WMV,
};
enum audio_decoder {
AUDIO_DECODER_WMA,
};
class MediaProfiles
{
public:
/**
* Returns the singleton instance for subsequence queries.
* or NULL if error.
*/
static MediaProfiles* getInstance();
/**
* Returns the value for the given param name for the given camera at
* the given quality level, or -1 if error.
*
* Supported param name are:
* duration - the recording duration.
* file.format - output file format. see mediarecorder.h for details
* vid.codec - video encoder. see mediarecorder.h for details.
* aud.codec - audio encoder. see mediarecorder.h for details.
* vid.width - video frame width
* vid.height - video frame height
* vid.fps - video frame rate
* vid.bps - video bit rate
* aud.bps - audio bit rate
* aud.hz - audio sample rate
* aud.ch - number of audio channels
*/
int getCamcorderProfileParamByName(const char *name, int cameraId,
camcorder_quality quality) const;
/**
* Returns the output file formats supported.
*/
Vector<output_format> getOutputFileFormats() const;
/**
* Returns the video encoders supported.
*/
Vector<video_encoder> getVideoEncoders() const;
/**
* Returns the value for the given param name for the given video encoder
* returned from getVideoEncoderByIndex or -1 if error.
*
* Supported param name are:
* enc.vid.width.min - min video frame width
* enc.vid.width.max - max video frame width
* enc.vid.height.min - min video frame height
* enc.vid.height.max - max video frame height
* enc.vid.bps.min - min bit rate in bits per second
* enc.vid.bps.max - max bit rate in bits per second
* enc.vid.fps.min - min frame rate in frames per second
* enc.vid.fps.max - max frame rate in frames per second
*/
int getVideoEncoderParamByName(const char *name, video_encoder codec) const;
/**
* Returns the audio encoders supported.
*/
Vector<audio_encoder> getAudioEncoders() const;
/**
* Returns the value for the given param name for the given audio encoder
* returned from getAudioEncoderByIndex or -1 if error.
*
* Supported param name are:
* enc.aud.ch.min - min number of channels
* enc.aud.ch.max - max number of channels
* enc.aud.bps.min - min bit rate in bits per second
* enc.aud.bps.max - max bit rate in bits per second
* enc.aud.hz.min - min sample rate in samples per second
* enc.aud.hz.max - max sample rate in samples per second
*/
int getAudioEncoderParamByName(const char *name, audio_encoder codec) const;
/**
* Returns the video decoders supported.
*/
Vector<video_decoder> getVideoDecoders() const;
/**
* Returns the audio decoders supported.
*/
Vector<audio_decoder> getAudioDecoders() const;
/**
* Returns the number of image encoding quality levels supported.
*/
Vector<int> getImageEncodingQualityLevels(int cameraId) const;
private:
MediaProfiles& operator=(const MediaProfiles&); // Don't call me
MediaProfiles(const MediaProfiles&); // Don't call me
MediaProfiles() {} // Dummy default constructor
~MediaProfiles(); // Don't delete me
struct VideoCodec {
VideoCodec(video_encoder codec, int bitRate, int frameWidth, int frameHeight, int frameRate)
: mCodec(codec),
mBitRate(bitRate),
mFrameWidth(frameWidth),
mFrameHeight(frameHeight),
mFrameRate(frameRate) {}
~VideoCodec() {}
video_encoder mCodec;
int mBitRate;
int mFrameWidth;
int mFrameHeight;
int mFrameRate;
};
struct AudioCodec {
AudioCodec(audio_encoder codec, int bitRate, int sampleRate, int channels)
: mCodec(codec),
mBitRate(bitRate),
mSampleRate(sampleRate),
mChannels(channels) {}
~AudioCodec() {}
audio_encoder mCodec;
int mBitRate;
int mSampleRate;
int mChannels;
};
struct CamcorderProfile {
CamcorderProfile()
: mCameraId(0),
mFileFormat(OUTPUT_FORMAT_THREE_GPP),
mQuality(CAMCORDER_QUALITY_HIGH),
mDuration(0),
mVideoCodec(0),
mAudioCodec(0) {}
~CamcorderProfile() {
delete mVideoCodec;
delete mAudioCodec;
}
int mCameraId;
output_format mFileFormat;
camcorder_quality mQuality;
int mDuration;
VideoCodec *mVideoCodec;
AudioCodec *mAudioCodec;
};
struct VideoEncoderCap {
// Ugly constructor
VideoEncoderCap(video_encoder codec,
int minBitRate, int maxBitRate,
int minFrameWidth, int maxFrameWidth,
int minFrameHeight, int maxFrameHeight,
int minFrameRate, int maxFrameRate)
: mCodec(codec),
mMinBitRate(minBitRate), mMaxBitRate(maxBitRate),
mMinFrameWidth(minFrameWidth), mMaxFrameWidth(maxFrameWidth),
mMinFrameHeight(minFrameHeight), mMaxFrameHeight(maxFrameHeight),
mMinFrameRate(minFrameRate), mMaxFrameRate(maxFrameRate) {}
~VideoEncoderCap() {}
video_encoder mCodec;
int mMinBitRate, mMaxBitRate;
int mMinFrameWidth, mMaxFrameWidth;
int mMinFrameHeight, mMaxFrameHeight;
int mMinFrameRate, mMaxFrameRate;
};
struct AudioEncoderCap {
// Ugly constructor
AudioEncoderCap(audio_encoder codec,
int minBitRate, int maxBitRate,
int minSampleRate, int maxSampleRate,
int minChannels, int maxChannels)
: mCodec(codec),
mMinBitRate(minBitRate), mMaxBitRate(maxBitRate),
mMinSampleRate(minSampleRate), mMaxSampleRate(maxSampleRate),
mMinChannels(minChannels), mMaxChannels(maxChannels) {}
~AudioEncoderCap() {}
audio_encoder mCodec;
int mMinBitRate, mMaxBitRate;
int mMinSampleRate, mMaxSampleRate;
int mMinChannels, mMaxChannels;
};
struct VideoDecoderCap {
VideoDecoderCap(video_decoder codec): mCodec(codec) {}
~VideoDecoderCap() {}
video_decoder mCodec;
};
struct AudioDecoderCap {
AudioDecoderCap(audio_decoder codec): mCodec(codec) {}
~AudioDecoderCap() {}
audio_decoder mCodec;
};
struct NameToTagMap {
const char* name;
int tag;
};
struct ImageEncodingQualityLevels {
int mCameraId;
Vector<int> mLevels;
};
// Debug
static void logVideoCodec(const VideoCodec& codec);
static void logAudioCodec(const AudioCodec& codec);
static void logVideoEncoderCap(const VideoEncoderCap& cap);
static void logAudioEncoderCap(const AudioEncoderCap& cap);
static void logVideoDecoderCap(const VideoDecoderCap& cap);
static void logAudioDecoderCap(const AudioDecoderCap& cap);
// If the xml configuration file does exist, use the settings
// from the xml
static MediaProfiles* createInstanceFromXmlFile(const char *xml);
static output_format createEncoderOutputFileFormat(const char **atts);
static VideoCodec* createVideoCodec(const char **atts, MediaProfiles *profiles);
static AudioCodec* createAudioCodec(const char **atts, MediaProfiles *profiles);
static AudioDecoderCap* createAudioDecoderCap(const char **atts);
static VideoDecoderCap* createVideoDecoderCap(const char **atts);
static VideoEncoderCap* createVideoEncoderCap(const char **atts);
static AudioEncoderCap* createAudioEncoderCap(const char **atts);
static CamcorderProfile* createCamcorderProfile(int cameraId, const char **atts);
static int getCameraId(const char **atts);
ImageEncodingQualityLevels* findImageEncodingQualityLevels(int cameraId) const;
void addImageEncodingQualityLevel(int cameraId, const char** atts);
// Customized element tag handler for parsing the xml configuration file.
static void startElementHandler(void *userData, const char *name, const char **atts);
// If the xml configuration file does not exist, use hard-coded values
static MediaProfiles* createDefaultInstance();
static CamcorderProfile *createDefaultCamcorderLowProfile();
static CamcorderProfile *createDefaultCamcorderHighProfile();
static void createDefaultCamcorderProfiles(MediaProfiles *profiles);
static void createDefaultVideoEncoders(MediaProfiles *profiles);
static void createDefaultAudioEncoders(MediaProfiles *profiles);
static void createDefaultVideoDecoders(MediaProfiles *profiles);
static void createDefaultAudioDecoders(MediaProfiles *profiles);
static void createDefaultEncoderOutputFileFormats(MediaProfiles *profiles);
static void createDefaultImageEncodingQualityLevels(MediaProfiles *profiles);
static void createDefaultImageDecodingMaxMemory(MediaProfiles *profiles);
static VideoEncoderCap* createDefaultH263VideoEncoderCap();
static VideoEncoderCap* createDefaultM4vVideoEncoderCap();
static AudioEncoderCap* createDefaultAmrNBEncoderCap();
static int findTagForName(const NameToTagMap *map, size_t nMappings, const char *name);
// Mappings from name (for instance, codec name) to enum value
static const NameToTagMap sVideoEncoderNameMap[];
static const NameToTagMap sAudioEncoderNameMap[];
static const NameToTagMap sFileFormatMap[];
static const NameToTagMap sVideoDecoderNameMap[];
static const NameToTagMap sAudioDecoderNameMap[];
static const NameToTagMap sCamcorderQualityNameMap[];
static bool sIsInitialized;
static MediaProfiles *sInstance;
static Mutex sLock;
int mCurrentCameraId;
Vector<CamcorderProfile*> mCamcorderProfiles;
Vector<AudioEncoderCap*> mAudioEncoders;
Vector<VideoEncoderCap*> mVideoEncoders;
Vector<AudioDecoderCap*> mAudioDecoders;
Vector<VideoDecoderCap*> mVideoDecoders;
Vector<output_format> mEncoderOutputFileFormats;
Vector<ImageEncodingQualityLevels *> mImageEncodingQualityLevels;
};
}; // namespace android
#endif // ANDROID_MEDIAPROFILES_H