Image encoding settings java API through xml configuration file (9b433f0b) · Commits · e / os / android_frameworks_base

include/media/MediaProfiles.h

+17 −0

Original line number	Diff line number	Diff line
		@@ -52,6 +52,7 @@ public:
		* 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.
		@@ -120,6 +121,16 @@ public:
		*/
		Vector<audio_decoder> getAudioDecoders() const;

		/**
		* Returns the number of image encoding quality levels supported.
		*/
		Vector<int> getImageEncodingQualityLevels() const;

		/**
		* Returns the maximum amount of memory in bytes we can use for decoding a JPEG file.
		*/
		int getImageDecodingMaxMemory() const;

		private:
		MediaProfiles& operator=(const MediaProfiles&); // Don't call me
		MediaProfiles(const MediaProfiles&); // Don't call me
		@@ -257,6 +268,8 @@ private:
		static VideoEncoderCap* createVideoEncoderCap(const char **atts);
		static AudioEncoderCap* createAudioEncoderCap(const char **atts);
		static CamcorderProfile* createCamcorderProfile(const char **atts);
		static int getImageEncodingQualityLevel(const char **atts);
		static int getImageDecodingMaxMemory(const char **atts);

		// Customized element tag handler for parsing the xml configuration file.
		static void startElementHandler(void userData, const char name, const char **atts);
		@@ -271,6 +284,8 @@ private:
		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();
		@@ -295,6 +310,8 @@ private:
		Vector<AudioDecoderCap*> mAudioDecoders;
		Vector<VideoDecoderCap*> mVideoDecoders;
		Vector<output_format> mEncoderOutputFileFormats;
		Vector<int> mImageEncodingQualityLevels;
		int mImageDecodingMaxMemory;
		};

		}; // namespace android

media/java/android/media/CamcorderProfile.java

+12 −1

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ package android.media;
		*/
		public class CamcorderProfile
		{
		private final int mDuration; // Recording duration in seconds

		/**
		* The Quality class represents the quality level of each CamcorderProfile.
		@@ -55,6 +56,14 @@ public class CamcorderProfile
		LOW
		};

		/**
		* Returns the recording duration in seconds for LOW quality CamcorderProfile
		* used by the MMS application.
		*/
		public static final int getMmsRecordingDurationInSeconds() {
		return get(Quality.LOW).mDuration;
		}

		/**
		* The quality level of the camcorder profile
		* @see android.media.CamcorderProfile.Quality
		@@ -129,7 +138,8 @@ public class CamcorderProfile
		}

		// Private constructor called by JNI
		private CamcorderProfile(int quality,
		private CamcorderProfile(int duration,
		int quality,
		int fileFormat,
		int videoCodec,
		int videoBitRate,
		@@ -141,6 +151,7 @@ public class CamcorderProfile
		int audioSampleRate,
		int audioChannels) {

		mDuration = duration;
		mQuality = Quality.values()[quality];
		mFileFormat = fileFormat;
		mVideoCodec = videoCodec;

media/java/android/media/CameraProfile.java

0 → 100644

+52 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 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.
		*/

		package android.media;

		/**
		* The CameraProfile class is used to retrieve the pre-defined still image
		* capture (jpeg) quality levels (0-100) used for low, medium, and high
		* quality settings in the Camera application.
		*
		* {@hide}
		*/
		public class CameraProfile
		{
		/**
		* Returns a list of the pre-defined still image capture (jpeg) quality levels
		* used for low, medium and high quality settings in the Camera application.
		*/
		public static int[] getImageEncodingQualityLevels() {
		int nLevels = native_get_num_image_encoding_quality_levels();
		if (nLevels == 0) return null;

		int[] levels = new int[nLevels];
		for (int i = 0; i < nLevels; ++i) {
		levels[i] = native_get_image_encoding_quality_level(i);
		}
		return levels;
		}

		static {
		System.loadLibrary("media_jni");
		native_init();
		}

		// Methods implemented by JNI
		private static native final void native_init();
		private static native final int native_get_num_image_encoding_quality_levels();
		private static native final int native_get_image_encoding_quality_level(int index);
		}

media/jni/android_media_MediaProfiles.cpp

+38 −4

Original line number	Diff line number	Diff line
		@@ -171,6 +171,7 @@ android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject th
		}

		camcorder_quality q = static_cast<camcorder_quality>(quality);
		int duration = sProfiles->getCamcorderProfileParamByName("duration", q);
		int fileFormat = sProfiles->getCamcorderProfileParamByName("file.format", q);
		int videoCodec = sProfiles->getCamcorderProfileParamByName("vid.codec", q);
		int videoBitRate = sProfiles->getCamcorderProfileParamByName("vid.bps", q);
		@@ -183,7 +184,7 @@ android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject th
		int audioChannels = sProfiles->getCamcorderProfileParamByName("aud.ch", q);

		// Check on the values retrieved
		if (fileFormat == -1 \|\| videoCodec == -1 \|\| audioCodec == -1 \|\|
		if (duration == -1 \|\| fileFormat == -1 \|\| videoCodec == -1 \|\| audioCodec == -1 \|\|
		videoBitRate == -1 \|\| videoFrameRate == -1 \|\| videoFrameWidth == -1 \|\| videoFrameHeight == -1 \|\|
		audioBitRate == -1 \|\| audioSampleRate == -1 \|\| audioChannels == -1) {

		@@ -192,9 +193,10 @@ android_media_MediaProfiles_native_get_camcorder_profile(JNIEnv *env, jobject th
		}

		jclass camcorderProfileClazz = env->FindClass("android/media/CamcorderProfile");
		jmethodID camcorderProfileConstructorMethodID = env->GetMethodID(camcorderProfileClazz, "<init>", "(IIIIIIIIIII)V");
		jmethodID camcorderProfileConstructorMethodID = env->GetMethodID(camcorderProfileClazz, "<init>", "(IIIIIIIIIIII)V");
		return env->NewObject(camcorderProfileClazz,
		camcorderProfileConstructorMethodID,
		duration,
		quality,
		fileFormat,
		videoCodec,
		@@ -250,6 +252,25 @@ android_media_MediaProfiles_native_get_audio_decoder_type(JNIEnv *env, jobject t
		return static_cast<jint>(decoders[index]);
		}

		static jint
		android_media_MediaProfiles_native_get_num_image_encoding_quality_levels(JNIEnv *env, jobject thiz)
		{
		LOGV("native_get_num_image_encoding_quality_levels");
		return sProfiles->getImageEncodingQualityLevels().size();
		}

		static jint
		android_media_MediaProfiles_native_get_image_encoding_quality_level(JNIEnv *env, jobject thiz, jint index)
		{
		LOGV("native_get_image_encoding_quality_level");
		Vector<int> levels = sProfiles->getImageEncodingQualityLevels();
		if (index < 0 \|\| index >= levels.size()) {
		jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
		return -1;
		}
		return static_cast<jint>(levels[index]);
		}

		static JNINativeMethod gMethodsForEncoderCapabilitiesClass[] = {
		{"native_init", "()V", (void *)android_media_MediaProfiles_native_init},
		{"native_get_num_file_formats", "()I", (void *)android_media_MediaProfiles_native_get_num_file_formats},
		@@ -278,9 +299,17 @@ static JNINativeMethod gMethodsForDecoderCapabilitiesClass[] = {
		{"native_get_audio_decoder_type", "(I)I", (void *)android_media_MediaProfiles_native_get_audio_decoder_type},
		};

		static JNINativeMethod gMethodsForCameraProfileClass[] = {
		{"native_init", "()V", (void *)android_media_MediaProfiles_native_init},
		{"native_get_num_image_encoding_quality_levels",
		"()I", (void *)android_media_MediaProfiles_native_get_num_image_encoding_quality_levels},
		{"native_get_image_encoding_quality_level","(I)I", (void *)android_media_MediaProfiles_native_get_image_encoding_quality_level},
		};

		static const char* const kEncoderCapabilitiesClassPathName = "android/media/EncoderCapabilities";
		static const char* const kDecoderCapabilitiesClassPathName = "android/media/DecoderCapabilities";
		static const char* const kCamcorderProfileClassPathName = "android/media/CamcorderProfile";
		static const char* const kCameraProfileClassPathName = "android/media/CameraProfile";

		// This function only registers the native methods, and is called from
		// JNI_OnLoad in android_media_MediaPlayer.cpp
		@@ -301,6 +330,11 @@ int register_android_media_MediaProfiles(JNIEnv *env)
		gMethodsForDecoderCapabilitiesClass,
		NELEM(gMethodsForDecoderCapabilitiesClass));

		// Success if ret1 == 0 && ret2 == 0 && ret3 == 0
		return (ret1 \|\| ret2 \|\| ret3);
		int ret4 = AndroidRuntime::registerNativeMethods(env,
		kCameraProfileClassPathName,
		gMethodsForCameraProfileClass,
		NELEM(gMethodsForCameraProfileClass));

		// Success if all return values from above are 0
		return (ret1 \|\| ret2 \|\| ret3 \|\| ret4);
		}

media/libmedia/MediaProfiles.cpp

+24 −0

Original line number	Diff line number	Diff line
		@@ -293,6 +293,13 @@ MediaProfiles::createCamcorderProfile(const char **atts)
		return profile;
		}

		/static/ int
		MediaProfiles::getImageEncodingQualityLevel(const char** atts)
		{
		CHECK(!strcmp("quality", atts[0]));
		return atoi(atts[1]);
		}

		/static/ void
		MediaProfiles::startElementHandler(void userData, const char name, const char **atts)
		{
		@@ -317,6 +324,8 @@ MediaProfiles::startElementHandler(void userData, const char name, const char
		profiles->mEncoderOutputFileFormats.add(createEncoderOutputFileFormat(atts));
		} else if (strcmp("EncoderProfile", name) == 0) {
		profiles->mCamcorderProfiles.add(createCamcorderProfile(atts));
		} else if (strcmp("ImageEncoding", name) == 0) {
		profiles->mImageEncodingQualityLevels.add(getImageEncodingQualityLevel(atts));
		}
		}

		@@ -446,6 +455,14 @@ MediaProfiles::createDefaultAmrNBEncoderCap()
		AUDIO_ENCODER_AMR_NB, 5525, 12200, 8000, 8000, 1, 1);
		}

		/static/ void
		MediaProfiles::createDefaultImageEncodingQualityLevels(MediaProfiles *profiles)
		{
		profiles->mImageEncodingQualityLevels.add(70);
		profiles->mImageEncodingQualityLevels.add(80);
		profiles->mImageEncodingQualityLevels.add(90);
		}

		/static/ MediaProfiles*
		MediaProfiles::createDefaultInstance()
		{
		@@ -456,6 +473,7 @@ MediaProfiles::createDefaultInstance()
		createDefaultVideoDecoders(profiles);
		createDefaultAudioDecoders(profiles);
		createDefaultEncoderOutputFileFormats(profiles);
		createDefaultImageEncodingQualityLevels(profiles);
		sIsInitialized = true;
		return profiles;
		}
		@@ -627,6 +645,7 @@ int MediaProfiles::getCamcorderProfileParamByName(const char *name, camcorder_qu
		return -1;
		}

		if (!strcmp("duration", name)) return mCamcorderProfiles[index]->mDuration;
		if (!strcmp("file.format", name)) return mCamcorderProfiles[index]->mFileFormat;
		if (!strcmp("vid.codec", name)) return mCamcorderProfiles[index]->mVideoCodec->mCodec;
		if (!strcmp("vid.width", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameWidth;
		@@ -642,6 +661,11 @@ int MediaProfiles::getCamcorderProfileParamByName(const char *name, camcorder_qu
		return -1;
		}

		Vector<int> MediaProfiles::getImageEncodingQualityLevels() const
		{
		return mImageEncodingQualityLevels; // copy out
		}

		MediaProfiles::~MediaProfiles()
		{
		CHECK("destructor should never be called" == 0);