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-rw-r--r--native/android/asset_manager.cpp26
-rw-r--r--native/android/input.cpp2
-rw-r--r--native/include/android/asset_manager.h39
-rw-r--r--native/include/android/input.h42
-rw-r--r--native/include/android/keycodes.h77
-rw-r--r--native/include/android/tts.h313
6 files changed, 495 insertions, 4 deletions
diff --git a/native/android/asset_manager.cpp b/native/android/asset_manager.cpp
index 3f7c1b6..f5db57c 100644
--- a/native/android/asset_manager.cpp
+++ b/native/android/asset_manager.cpp
@@ -178,6 +178,11 @@ off_t AAsset_seek(AAsset* asset, off_t offset, int whence)
return asset->mAsset->seek(offset, whence);
}
+off64_t AAsset_seek64(AAsset* asset, off64_t offset, int whence)
+{
+ return asset->mAsset->seek(offset, whence);
+}
+
void AAsset_close(AAsset* asset)
{
asset->mAsset->close();
@@ -194,13 +199,34 @@ off_t AAsset_getLength(AAsset* asset)
return asset->mAsset->getLength();
}
+off64_t AAsset_getLength64(AAsset* asset)
+{
+ return asset->mAsset->getLength();
+}
+
off_t AAsset_getRemainingLength(AAsset* asset)
{
return asset->mAsset->getRemainingLength();
}
+off64_t AAsset_getRemainingLength64(AAsset* asset)
+{
+ return asset->mAsset->getRemainingLength();
+}
+
int AAsset_openFileDescriptor(AAsset* asset, off_t* outStart, off_t* outLength)
{
+ off64_t outStart64, outLength64;
+
+ int ret = asset->mAsset->openFileDescriptor(&outStart64, &outLength64);
+
+ *outStart = off_t(outStart64);
+ *outLength = off_t(outLength64);
+ return ret;
+}
+
+int AAsset_openFileDescriptor64(AAsset* asset, off64_t* outStart, off64_t* outLength)
+{
return asset->mAsset->openFileDescriptor(outStart, outLength);
}
diff --git a/native/android/input.cpp b/native/android/input.cpp
index c753aa5..a96240c 100644
--- a/native/android/input.cpp
+++ b/native/android/input.cpp
@@ -271,5 +271,5 @@ int32_t AInputQueue_preDispatchEvent(AInputQueue* queue, AInputEvent* event) {
}
void AInputQueue_finishEvent(AInputQueue* queue, AInputEvent* event, int handled) {
- queue->finishEvent(event, handled != 0);
+ queue->finishEvent(event, handled != 0, false);
}
diff --git a/native/include/android/asset_manager.h b/native/include/android/asset_manager.h
index 4fa0ef3..f5df46b 100644
--- a/native/include/android/asset_manager.h
+++ b/native/include/android/asset_manager.h
@@ -94,6 +94,17 @@ int AAsset_read(AAsset* asset, void* buf, size_t count);
off_t AAsset_seek(AAsset* asset, off_t offset, int whence);
/**
+ * Seek to the specified offset within the asset data. 'whence' uses the
+ * same constants as lseek()/fseek().
+ *
+ * Uses 64-bit data type for large files as opposed to the 32-bit type used
+ * by AAsset_seek.
+ *
+ * Returns the new position on success, or (off64_t) -1 on error.
+ */
+off64_t AAsset_seek64(AAsset* asset, off64_t offset, int whence);
+
+/**
* Close the asset, freeing all associated resources.
*/
void AAsset_close(AAsset* asset);
@@ -111,12 +122,27 @@ const void* AAsset_getBuffer(AAsset* asset);
off_t AAsset_getLength(AAsset* asset);
/**
+ * Report the total size of the asset data. Reports the size using a 64-bit
+ * number insted of 32-bit as AAsset_getLength.
+ */
+off64_t AAsset_getLength64(AAsset* asset);
+
+/**
* Report the total amount of asset data that can be read from the current position.
*/
off_t AAsset_getRemainingLength(AAsset* asset);
/**
- * Open a new file descriptor that can be used to read the asset data.
+ * Report the total amount of asset data that can be read from the current position.
+ *
+ * Uses a 64-bit number instead of a 32-bit number as AAsset_getRemainingLength does.
+ */
+off64_t AAsset_getRemainingLength64(AAsset* asset);
+
+/**
+ * Open a new file descriptor that can be used to read the asset data. If the
+ * start or length cannot be represented by a 32-bit number, it will be
+ * truncated. If the file is large, use AAsset_openFileDescriptor64 instead.
*
* Returns < 0 if direct fd access is not possible (for example, if the asset is
* compressed).
@@ -124,6 +150,17 @@ off_t AAsset_getRemainingLength(AAsset* asset);
int AAsset_openFileDescriptor(AAsset* asset, off_t* outStart, off_t* outLength);
/**
+ * Open a new file descriptor that can be used to read the asset data.
+ *
+ * Uses a 64-bit number for the offset and length instead of 32-bit instead of
+ * as AAsset_openFileDescriptor does.
+ *
+ * Returns < 0 if direct fd access is not possible (for example, if the asset is
+ * compressed).
+ */
+int AAsset_openFileDescriptor64(AAsset* asset, off64_t* outStart, off64_t* outLength);
+
+/**
* Returns whether this asset's internal buffer is allocated in ordinary RAM (i.e. not
* mmapped).
*/
diff --git a/native/include/android/input.h b/native/include/android/input.h
index 7df13c3..e196686 100644
--- a/native/include/android/input.h
+++ b/native/include/android/input.h
@@ -93,7 +93,37 @@ enum {
AMETA_SHIFT_RIGHT_ON = 0x80,
/* This mask is used to check whether the SYM meta key is pressed. */
- AMETA_SYM_ON = 0x04
+ AMETA_SYM_ON = 0x04,
+
+ /* This mask is used to check whether the FUNCTION meta key is pressed. */
+ AMETA_FUNCTION_ON = 0x08,
+
+ /* This mask is used to check whether one of the CTRL meta keys is pressed. */
+ AMETA_CTRL_ON = 0x1000,
+
+ /* This mask is used to check whether the left CTRL meta key is pressed. */
+ AMETA_CTRL_LEFT_ON = 0x2000,
+
+ /* This mask is used to check whether the right CTRL meta key is pressed. */
+ AMETA_CTRL_RIGHT_ON = 0x4000,
+
+ /* This mask is used to check whether one of the META meta keys is pressed. */
+ AMETA_META_ON = 0x10000,
+
+ /* This mask is used to check whether the left META meta key is pressed. */
+ AMETA_META_LEFT_ON = 0x20000,
+
+ /* This mask is used to check whether the right META meta key is pressed. */
+ AMETA_META_RIGHT_ON = 0x40000,
+
+ /* This mask is used to check whether the CAPS LOCK meta key is on. */
+ AMETA_CAPS_LOCK_ON = 0x100000,
+
+ /* This mask is used to check whether the NUM LOCK meta key is on. */
+ AMETA_NUM_LOCK_ON = 0x200000,
+
+ /* This mask is used to check whether the SCROLL LOCK meta key is on. */
+ AMETA_SCROLL_LOCK_ON = 0x400000,
};
/*
@@ -185,7 +215,15 @@ enum {
* tracked from its initial down. That is, somebody requested that tracking
* started on the key down and a long press has not caused
* the tracking to be canceled. */
- AKEY_EVENT_FLAG_TRACKING = 0x200
+ AKEY_EVENT_FLAG_TRACKING = 0x200,
+
+ /* Set when a key event has been synthesized to implement default behavior
+ * for an event that the application did not handle.
+ * Fallback key events are generated by unhandled trackball motions
+ * (to emulate a directional keypad) and by certain unhandled key presses
+ * that are declared in the key map (such as special function numeric keypad
+ * keys when numlock is off). */
+ AKEY_EVENT_FLAG_FALLBACK = 0x400,
};
/*
diff --git a/native/include/android/keycodes.h b/native/include/android/keycodes.h
index 496eccc..b026a0c 100644
--- a/native/include/android/keycodes.h
+++ b/native/include/android/keycodes.h
@@ -154,6 +154,83 @@ enum {
AKEYCODE_BUTTON_START = 108,
AKEYCODE_BUTTON_SELECT = 109,
AKEYCODE_BUTTON_MODE = 110,
+ AKEYCODE_ESCAPE = 111,
+ AKEYCODE_FORWARD_DEL = 112,
+ AKEYCODE_CTRL_LEFT = 113,
+ AKEYCODE_CTRL_RIGHT = 114,
+ AKEYCODE_CAPS_LOCK = 115,
+ AKEYCODE_SCROLL_LOCK = 116,
+ AKEYCODE_META_LEFT = 117,
+ AKEYCODE_META_RIGHT = 118,
+ AKEYCODE_FUNCTION = 119,
+ AKEYCODE_SYSRQ = 120,
+ AKEYCODE_BREAK = 121,
+ AKEYCODE_MOVE_HOME = 122,
+ AKEYCODE_MOVE_END = 123,
+ AKEYCODE_INSERT = 124,
+ AKEYCODE_FORWARD = 125,
+ AKEYCODE_MEDIA_PLAY = 126,
+ AKEYCODE_MEDIA_PAUSE = 127,
+ AKEYCODE_MEDIA_CLOSE = 128,
+ AKEYCODE_MEDIA_EJECT = 129,
+ AKEYCODE_MEDIA_RECORD = 130,
+ AKEYCODE_F1 = 131,
+ AKEYCODE_F2 = 132,
+ AKEYCODE_F3 = 133,
+ AKEYCODE_F4 = 134,
+ AKEYCODE_F5 = 135,
+ AKEYCODE_F6 = 136,
+ AKEYCODE_F7 = 137,
+ AKEYCODE_F8 = 138,
+ AKEYCODE_F9 = 139,
+ AKEYCODE_F10 = 140,
+ AKEYCODE_F11 = 141,
+ AKEYCODE_F12 = 142,
+ AKEYCODE_NUM_LOCK = 143,
+ AKEYCODE_NUMPAD_0 = 144,
+ AKEYCODE_NUMPAD_1 = 145,
+ AKEYCODE_NUMPAD_2 = 146,
+ AKEYCODE_NUMPAD_3 = 147,
+ AKEYCODE_NUMPAD_4 = 148,
+ AKEYCODE_NUMPAD_5 = 149,
+ AKEYCODE_NUMPAD_6 = 150,
+ AKEYCODE_NUMPAD_7 = 151,
+ AKEYCODE_NUMPAD_8 = 152,
+ AKEYCODE_NUMPAD_9 = 153,
+ AKEYCODE_NUMPAD_DIVIDE = 154,
+ AKEYCODE_NUMPAD_MULTIPLY = 155,
+ AKEYCODE_NUMPAD_SUBTRACT = 156,
+ AKEYCODE_NUMPAD_ADD = 157,
+ AKEYCODE_NUMPAD_DOT = 158,
+ AKEYCODE_NUMPAD_COMMA = 159,
+ AKEYCODE_NUMPAD_ENTER = 160,
+ AKEYCODE_NUMPAD_EQUALS = 161,
+ AKEYCODE_NUMPAD_LEFT_PAREN = 162,
+ AKEYCODE_NUMPAD_RIGHT_PAREN = 163,
+ AKEYCODE_VOLUME_MUTE = 164,
+ AKEYCODE_INFO = 165,
+ AKEYCODE_CHANNEL_UP = 166,
+ AKEYCODE_CHANNEL_DOWN = 167,
+ AKEYCODE_ZOOM_IN = 168,
+ AKEYCODE_ZOOM_OUT = 169,
+ AKEYCODE_TV = 170,
+ AKEYCODE_WINDOW = 171,
+ AKEYCODE_GUIDE = 172,
+ AKEYCODE_DVR = 173,
+ AKEYCODE_BOOKMARK = 174,
+ AKEYCODE_CAPTIONS = 175,
+ AKEYCODE_SETTINGS = 176,
+ AKEYCODE_TV_POWER = 177,
+ AKEYCODE_TV_INPUT = 178,
+ AKEYCODE_STB_POWER = 179,
+ AKEYCODE_STB_INPUT = 180,
+ AKEYCODE_AVR_POWER = 181,
+ AKEYCODE_AVR_INPUT = 182,
+ AKEYCODE_PROG_RED = 183,
+ AKEYCODE_PROG_GREEN = 184,
+ AKEYCODE_PROG_YELLOW = 185,
+ AKEYCODE_PROG_BLUE = 186,
+ AKEYCODE_APP_SWITCH = 187,
// NOTE: If you add a new keycode here you must also add it to several other files.
// Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
diff --git a/native/include/android/tts.h b/native/include/android/tts.h
new file mode 100644
index 0000000..fb15108
--- /dev/null
+++ b/native/include/android/tts.h
@@ -0,0 +1,313 @@
+/*
+ * Copyright (C) 2009 Google Inc.
+ *
+ * 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_TTS_H
+#define ANDROID_TTS_H
+
+// This header defines the interface used by the Android platform
+// to access Text-To-Speech functionality in shared libraries that implement
+// speech synthesis and the management of resources associated with the
+// synthesis.
+
+// The shared library must contain a function named "android_getTtsEngine"
+// that returns an 'android_tts_engine_t' instance.
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ANDROID_TTS_ENGINE_PROPERTY_CONFIG "engineConfig"
+#define ANDROID_TTS_ENGINE_PROPERTY_PITCH "pitch"
+#define ANDROID_TTS_ENGINE_PROPERTY_RATE "rate"
+#define ANDROID_TTS_ENGINE_PROPERTY_VOLUME "volume"
+
+typedef enum {
+ ANDROID_TTS_SUCCESS = 0,
+ ANDROID_TTS_FAILURE = -1,
+ ANDROID_TTS_FEATURE_UNSUPPORTED = -2,
+ ANDROID_TTS_VALUE_INVALID = -3,
+ ANDROID_TTS_PROPERTY_UNSUPPORTED = -4,
+ ANDROID_TTS_PROPERTY_SIZE_TOO_SMALL = -5,
+ ANDROID_TTS_MISSING_RESOURCES = -6
+} android_tts_result_t;
+
+typedef enum {
+ ANDROID_TTS_LANG_COUNTRY_VAR_AVAILABLE = 2,
+ ANDROID_TTS_LANG_COUNTRY_AVAILABLE = 1,
+ ANDROID_TTS_LANG_AVAILABLE = 0,
+ ANDROID_TTS_LANG_MISSING_DATA = -1,
+ ANDROID_TTS_LANG_NOT_SUPPORTED = -2
+} android_tts_support_result_t;
+
+typedef enum {
+ ANDROID_TTS_SYNTH_DONE = 0,
+ ANDROID_TTS_SYNTH_PENDING = 1
+} android_tts_synth_status_t;
+
+typedef enum {
+ ANDROID_TTS_CALLBACK_HALT = 0,
+ ANDROID_TTS_CALLBACK_CONTINUE = 1
+} android_tts_callback_status_t;
+
+// Supported audio formats
+typedef enum {
+ ANDROID_TTS_AUDIO_FORMAT_INVALID = -1,
+ ANDROID_TTS_AUDIO_FORMAT_DEFAULT = 0,
+ ANDROID_TTS_AUDIO_FORMAT_PCM_16_BIT = 1,
+ ANDROID_TTS_AUDIO_FORMAT_PCM_8_BIT = 2,
+} android_tts_audio_format_t;
+
+
+/* An android_tts_engine_t object can be anything, but must have,
+ * as its first field, a pointer to a table of functions.
+ *
+ * See the full definition of struct android_tts_engine_t_funcs_t
+ * below for details.
+ */
+typedef struct android_tts_engine_funcs_t android_tts_engine_funcs_t;
+
+typedef struct {
+ android_tts_engine_funcs_t *funcs;
+} android_tts_engine_t;
+
+/* This function must be located in the TTS Engine shared library
+ * and must return the address of an android_tts_engine_t library.
+ */
+extern android_tts_engine_t *android_getTtsEngine();
+
+/* Including the old version for legacy support (Froyo compatibility).
+ * This should return the same thing as android_getTtsEngine.
+ */
+extern "C" android_tts_engine_t *getTtsEngine();
+
+// A callback type used to notify the framework of new synthetized
+// audio samples, status will be SYNTH_DONE for the last sample of
+// the last request, of SYNTH_PENDING otherwise.
+//
+// This is passed by the framework to the engine through the
+// 'engine_init' function (see below).
+//
+// The callback for synthesis completed takes:
+// @param [inout] void *& - The userdata pointer set in the original
+// synth call
+// @param [in] uint32_t - Track sampling rate in Hz
+// @param [in] uint32_t - The audio format
+// @param [in] int - The number of channels
+// @param [inout] int8_t *& - A buffer of audio data only valid during the
+// execution of the callback
+// @param [inout] size_t & - The size of the buffer
+// @param [in] tts_synth_status - indicate whether the synthesis is done, or
+// if more data is to be synthesized.
+// @return TTS_CALLBACK_HALT to indicate the synthesis must stop,
+// TTS_CALLBACK_CONTINUE to indicate the synthesis must continue if
+// there is more data to produce.
+typedef android_tts_callback_status_t (*android_tts_synth_cb_t)
+ (void **pUserData,
+ uint32_t trackSamplingHz,
+ android_tts_audio_format_t audioFormat,
+ int channelCount,
+ int8_t **pAudioBuffer,
+ size_t *pBufferSize,
+ android_tts_synth_status_t status);
+
+
+// The table of function pointers that the android_tts_engine_t must point to.
+// Note that each of these functions will take a handle to the engine itself
+// as their first parameter.
+//
+
+struct android_tts_engine_funcs_t {
+ // reserved fields, ignored by the framework
+ // they must be placed here to ensure binary compatibility
+ // of legacy binary plugins.
+ void *reserved[2];
+
+ // Initialize the TTS engine and returns whether initialization succeeded.
+ // @param synthDoneCBPtr synthesis callback function pointer
+ // @return TTS_SUCCESS, or TTS_FAILURE
+ android_tts_result_t (*init)
+ (void *engine,
+ android_tts_synth_cb_t synthDonePtr,
+ const char *engineConfig);
+
+ // Shut down the TTS engine and releases all associated resources.
+ // @return TTS_SUCCESS, or TTS_FAILURE
+ android_tts_result_t (*shutdown)
+ (void *engine);
+
+ // Interrupt synthesis and flushes any synthesized data that hasn't been
+ // output yet. This will block until callbacks underway are completed.
+ // @return TTS_SUCCESS, or TTS_FAILURE
+ android_tts_result_t (*stop)
+ (void *engine);
+
+ // Returns the level of support for the language, country and variant.
+ // @return TTS_LANG_COUNTRY_VAR_AVAILABLE if the language, country and variant are supported,
+ // and the corresponding resources are correctly installed
+ // TTS_LANG_COUNTRY_AVAILABLE if the language and country are supported and the
+ // corresponding resources are correctly installed, but there is no match for
+ // the specified variant
+ // TTS_LANG_AVAILABLE if the language is supported and the
+ // corresponding resources are correctly installed, but there is no match for
+ // the specified country and variant
+ // TTS_LANG_MISSING_DATA if the required resources to provide any level of support
+ // for the language are not correctly installed
+ // TTS_LANG_NOT_SUPPORTED if the language is not supported by the TTS engine.
+ android_tts_support_result_t (*isLanguageAvailable)
+ (void *engine,
+ const char *lang,
+ const char *country,
+ const char *variant);
+
+ // Load the resources associated with the specified language. The loaded
+ // language will only be used once a call to setLanguage() with the same
+ // language value is issued. Language and country values are coded according to the ISO three
+ // letter codes for languages and countries, as can be retrieved from a java.util.Locale
+ // instance. The variant value is encoded as the variant string retrieved from a
+ // java.util.Locale instance built with that variant data.
+ // @param lang pointer to the ISO three letter code for the language
+ // @param country pointer to the ISO three letter code for the country
+ // @param variant pointer to the variant code
+ // @return TTS_SUCCESS, or TTS_FAILURE
+ android_tts_result_t (*loadLanguage)
+ (void *engine,
+ const char *lang,
+ const char *country,
+ const char *variant);
+
+ // Load the resources associated with the specified language, country and Locale variant.
+ // The loaded language will only be used once a call to setLanguageFromLocale() with the same
+ // language value is issued. Language and country values are coded according to the ISO three
+ // letter codes for languages and countries, as can be retrieved from a java.util.Locale
+ // instance. The variant value is encoded as the variant string retrieved from a
+ // java.util.Locale instance built with that variant data.
+ // @param lang pointer to the ISO three letter code for the language
+ // @param country pointer to the ISO three letter code for the country
+ // @param variant pointer to the variant code
+ // @return TTS_SUCCESS, or TTS_FAILURE
+ android_tts_result_t (*setLanguage)
+ (void *engine,
+ const char *lang,
+ const char *country,
+ const char *variant);
+
+ // Retrieve the currently set language, country and variant, or empty strings if none of
+ // parameters have been set. Language and country are represented by their 3-letter ISO code
+ // @param[out] pointer to the retrieved 3-letter code language value
+ // @param[out] pointer to the retrieved 3-letter code country value
+ // @param[out] pointer to the retrieved variant value
+ // @return TTS_SUCCESS, or TTS_FAILURE
+ android_tts_result_t (*getLanguage)
+ (void *engine,
+ char *language,
+ char *country,
+ char *variant);
+
+ // Notifies the engine what audio parameters should be used for the synthesis.
+ // This is meant to be used as a hint, the engine implementation will set the output values
+ // to those of the synthesis format, based on a given hint.
+ // @param[inout] encoding in: the desired audio sample format
+ // out: the format used by the TTS engine
+ // @param[inout] rate in: the desired audio sample rate
+ // out: the sample rate used by the TTS engine
+ // @param[inout] channels in: the desired number of audio channels
+ // out: the number of channels used by the TTS engine
+ // @return TTS_SUCCESS, or TTS_FAILURE
+ android_tts_result_t (*setAudioFormat)
+ (void *engine,
+ android_tts_audio_format_t* pEncoding,
+ uint32_t* pRate,
+ int* pChannels);
+
+ // Set a property for the the TTS engine
+ // "size" is the maximum size of "value" for properties "property"
+ // @param property pointer to the property name
+ // @param value pointer to the property value
+ // @param size maximum size required to store this type of property
+ // @return TTS_PROPERTY_UNSUPPORTED, or TTS_SUCCESS, or TTS_FAILURE,
+ // or TTS_VALUE_INVALID
+ android_tts_result_t (*setProperty)
+ (void *engine,
+ const char *property,
+ const char *value,
+ const size_t size);
+
+ // Retrieve a property from the TTS engine
+ // @param property pointer to the property name
+ // @param[out] value pointer to the retrieved language value
+ // @param[inout] iosize in: stores the size available to store the
+ // property value.
+ // out: stores the size required to hold the language
+ // value if getLanguage() returned
+ // TTS_PROPERTY_SIZE_TOO_SMALL, unchanged otherwise
+ // @return TTS_PROPERTY_UNSUPPORTED, or TTS_SUCCESS,
+ // or TTS_PROPERTY_SIZE_TOO_SMALL
+ android_tts_result_t (*getProperty)
+ (void *engine,
+ const char *property,
+ char *value,
+ size_t *iosize);
+
+ // Synthesize the text.
+ // As the synthesis is performed, the engine invokes the callback to notify
+ // the TTS framework that it has filled the given buffer, and indicates how
+ // many bytes it wrote. The callback is called repeatedly until the engine
+ // has generated all the audio data corresponding to the text.
+ // Note about the format of the input: the text parameter may use the
+ // following elements
+ // and their respective attributes as defined in the SSML 1.0 specification:
+ // * lang
+ // * say-as:
+ // o interpret-as
+ // * phoneme
+ // * voice:
+ // o gender,
+ // o age,
+ // o variant,
+ // o name
+ // * emphasis
+ // * break:
+ // o strength,
+ // o time
+ // * prosody:
+ // o pitch,
+ // o contour,
+ // o range,
+ // o rate,
+ // o duration,
+ // o volume
+ // * mark
+ // Differences between this text format and SSML are:
+ // * full SSML documents are not supported
+ // * namespaces are not supported
+ // Text is coded in UTF-8.
+ // @param text the UTF-8 text to synthesize
+ // @param userdata pointer to be returned when the call is invoked
+ // @param buffer the location where the synthesized data must be written
+ // @param bufferSize the number of bytes that can be written in buffer
+ // @return TTS_SUCCESS or TTS_FAILURE
+ android_tts_result_t (*synthesizeText)
+ (void *engine,
+ const char *text,
+ int8_t *buffer,
+ size_t bufferSize,
+ void *userdata);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ANDROID_TTS_H */