328 lines
11 KiB
C++
328 lines
11 KiB
C++
/*
|
|
**
|
|
** 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* createDefaultH264VideoEncoderCap();
|
|
static VideoEncoderCap* createDefaultM4vVideoEncoderCap();
|
|
static AudioEncoderCap* createDefaultAmrNBEncoderCap();
|
|
static AudioEncoderCap* createDefaultAacEncoderCap();
|
|
|
|
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
|
|
|