gstreamer/sys/androidcamera/gst-android-hardware-camera.c
2016-01-21 12:11:14 -05:00

997 lines
26 KiB
C

/*
* Copyright (C) 2012, Collabora Ltd.
* Copyright (C) 2012, Cisco Systems, Inc.
* Author: Youness Alaoui <youness.alaoui@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gst-dvm.h"
#include "gst-android-hardware-camera.h"
static struct
{
jclass klass;
jmethodID addCallbackBuffer;
jmethodID getCameraInfo;
jmethodID getNumberOfCameras;
jmethodID getParameters;
jmethodID lock;
jmethodID open;
jmethodID reconnect;
jmethodID release;
jmethodID setErrorCallback;
jmethodID setParameters;
jmethodID setPreviewCallbackWithBuffer;
jmethodID setPreviewTexture;
jmethodID startPreview;
jmethodID startSmoothZoom;
jmethodID stopPreview;
jmethodID stopSmoothZoom;
jmethodID unlock;
} android_hardware_camera;
static struct
{
jclass klass;
jmethodID constructor;
jfieldID facing;
jfieldID orientation;
jint CAMERA_FACING_BACK;
jint CAMERA_FACING_FRONT;
} android_hardware_camera_camerainfo;
gint CameraInfo_CAMERA_FACING_BACK;
gint CameraInfo_CAMERA_FACING_FRONT;
static struct
{
jclass klass;
jfieldID width;
jfieldID height;
} android_hardware_camera_size;
/* TODO: Add other parameters */
static struct
{
jclass klass;
jmethodID flatten;
jmethodID getPreviewFormat;
jmethodID getPreviewFpsRange;
jmethodID getPreviewSize;
jmethodID getSupportedPreviewFormats;
jmethodID getSupportedPreviewFpsRange;
jmethodID getSupportedPreviewSizes;
jmethodID setPreviewFormat;
jmethodID setPreviewFpsRange;
jmethodID setPreviewSize;
jmethodID unflatten;
} android_hardware_camera_parameters;
static struct
{
jclass klass;
jmethodID iterator;
} java_util_list;
static struct
{
jclass klass;
jmethodID hasNext;
jmethodID next;
} java_util_iterator;
static struct
{
jclass klass;
jmethodID intValue;
} java_lang_integer;
static struct
{
jclass klass;
jmethodID constructor;
} com_gstreamer_gstahccallback;
static void
gst_ah_camera_on_preview_frame (JNIEnv * env, jclass klass, jbyteArray data,
jobject camera, jlong callback, jlong user_data)
{
GstAHCPreviewCallback cb = (GstAHCPreviewCallback) (gsize) callback;
cb (data, (gpointer) (gsize) user_data);
}
static void
gst_ah_camera_on_error (JNIEnv * env, jclass klass, jint error,
jobject camera, jlong callback, jlong user_data)
{
GstAHCErrorCallback cb = (GstAHCErrorCallback) (gsize) callback;
cb (error, (gpointer) (gsize) user_data);
}
static JNINativeMethod native_methods[] = {
{"gst_ah_camera_on_preview_frame", "([BLandroid/hardware/Camera;JJ)V",
(void *) gst_ah_camera_on_preview_frame},
{"gst_ah_camera_on_error", "(ILandroid/hardware/Camera;JJ)V",
(void *) gst_ah_camera_on_error}
};
gboolean
gst_android_hardware_camera_init ()
{
JNIEnv *env = gst_dvm_get_env ();
if (!gst_android_graphics_surfacetexture_init ())
return FALSE;
if (!gst_android_graphics_imageformat_init ())
return FALSE;
/* android.hardware.Camera */
GST_DVM_GET_CLASS (android_hardware_camera, "android/hardware/Camera");
GST_DVM_GET_METHOD (android_hardware_camera, addCallbackBuffer, "([B)V");
GST_DVM_GET_STATIC_METHOD (android_hardware_camera, getCameraInfo,
"(ILandroid/hardware/Camera$CameraInfo;)V");
GST_DVM_GET_STATIC_METHOD (android_hardware_camera, getNumberOfCameras,
"()I");
GST_DVM_GET_METHOD (android_hardware_camera, getParameters,
"()Landroid/hardware/Camera$Parameters;");
GST_DVM_GET_METHOD (android_hardware_camera, lock, "()V");
GST_DVM_GET_STATIC_METHOD (android_hardware_camera, open,
"(I)Landroid/hardware/Camera;");
GST_DVM_GET_METHOD (android_hardware_camera, reconnect, "()V");
GST_DVM_GET_METHOD (android_hardware_camera, release, "()V");
GST_DVM_GET_METHOD (android_hardware_camera, setErrorCallback,
"(Landroid/hardware/Camera$ErrorCallback;)V");
GST_DVM_GET_METHOD (android_hardware_camera, setParameters,
"(Landroid/hardware/Camera$Parameters;)V");
GST_DVM_GET_METHOD (android_hardware_camera, setPreviewCallbackWithBuffer,
"(Landroid/hardware/Camera$PreviewCallback;)V");
GST_DVM_GET_METHOD (android_hardware_camera, setPreviewTexture,
"(Landroid/graphics/SurfaceTexture;)V");
GST_DVM_GET_METHOD (android_hardware_camera, startPreview, "()V");
GST_DVM_GET_METHOD (android_hardware_camera, startSmoothZoom, "(I)V");
GST_DVM_GET_METHOD (android_hardware_camera, stopPreview, "()V");
GST_DVM_GET_METHOD (android_hardware_camera, stopSmoothZoom, "()V");
GST_DVM_GET_METHOD (android_hardware_camera, unlock, "()V");
/* android.hardware.Camera.CameraInfo */
GST_DVM_GET_CLASS (android_hardware_camera_camerainfo,
"android/hardware/Camera$CameraInfo");
GST_DVM_GET_CONSTRUCTOR (android_hardware_camera_camerainfo,
constructor, "()V");
GST_DVM_GET_FIELD (android_hardware_camera_camerainfo, facing, "I");
GST_DVM_GET_FIELD (android_hardware_camera_camerainfo, orientation, "I");
GST_DVM_GET_CONSTANT (android_hardware_camera_camerainfo, CAMERA_FACING_BACK,
Int, "I");
CameraInfo_CAMERA_FACING_BACK =
android_hardware_camera_camerainfo.CAMERA_FACING_BACK;
GST_DVM_GET_CONSTANT (android_hardware_camera_camerainfo, CAMERA_FACING_FRONT,
Int, "I");
CameraInfo_CAMERA_FACING_FRONT =
android_hardware_camera_camerainfo.CAMERA_FACING_FRONT;
/* android.hardware.Camera.Size */
GST_DVM_GET_CLASS (android_hardware_camera_size,
"android/hardware/Camera$Size");
GST_DVM_GET_FIELD (android_hardware_camera_size, width, "I");
GST_DVM_GET_FIELD (android_hardware_camera_size, height, "I");
/* android.hardware.Camera.Parameters */
GST_DVM_GET_CLASS (android_hardware_camera_parameters,
"android/hardware/Camera$Parameters");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, flatten,
"()Ljava/lang/String;");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, getPreviewFormat,
"()I");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, getPreviewFpsRange,
"([I)V");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, getPreviewSize,
"()Landroid/hardware/Camera$Size;");
GST_DVM_GET_METHOD (android_hardware_camera_parameters,
getSupportedPreviewFormats, "()Ljava/util/List;");
GST_DVM_GET_METHOD (android_hardware_camera_parameters,
getSupportedPreviewFpsRange, "()Ljava/util/List;");
GST_DVM_GET_METHOD (android_hardware_camera_parameters,
getSupportedPreviewSizes, "()Ljava/util/List;");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, setPreviewFormat,
"(I)V");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, setPreviewFpsRange,
"(II)V");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, setPreviewSize,
"(II)V");
GST_DVM_GET_METHOD (android_hardware_camera_parameters, unflatten,
"(Ljava/lang/String;)V");
/* java.util.List */
GST_DVM_GET_CLASS (java_util_list, "java/util/List");
GST_DVM_GET_METHOD (java_util_list, iterator, "()Ljava/util/Iterator;");
/* java.util.Iterator */
GST_DVM_GET_CLASS (java_util_iterator, "java/util/Iterator");
GST_DVM_GET_METHOD (java_util_iterator, hasNext, "()Z");
GST_DVM_GET_METHOD (java_util_iterator, next, "()Ljava/lang/Object;");
/* java.lang.Integer */
GST_DVM_GET_CLASS (java_lang_integer, "java/lang/Integer");
GST_DVM_GET_METHOD (java_lang_integer, intValue, "()I");
/* com.gstreamer.GstAhcCallback */
GST_DVM_GET_CLASS (com_gstreamer_gstahccallback,
"com/gstreamer/GstAhcCallback");
GST_DVM_GET_CONSTRUCTOR (com_gstreamer_gstahccallback, constructor, "(JJ)V");
if ((*env)->RegisterNatives (env, com_gstreamer_gstahccallback.klass,
native_methods, G_N_ELEMENTS (native_methods))) {
GST_ERROR ("Failed to register native methods for GstAhcCallback");
return FALSE;
}
return TRUE;
}
/* android.hardware.Camera */
void
gst_ah_camera_add_callback_buffer (GstAHCamera * self, jbyteArray buffer)
{
JNIEnv *env = gst_dvm_get_env ();
/* TODO: use a java.nio.ByteBuffer if possible */
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.addCallbackBuffer, buffer);
}
gboolean
gst_ah_camera_get_camera_info (gint camera_id, GstAHCCameraInfo * camera_info)
{
JNIEnv *env = gst_dvm_get_env ();
jobject jcamera_info = NULL;
gboolean ret = TRUE;
jcamera_info = (*env)->NewObject (env,
android_hardware_camera_camerainfo.klass,
android_hardware_camera_camerainfo.constructor);
if (!jcamera_info) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
(*env)->CallStaticVoidMethod (env, android_hardware_camera.klass,
android_hardware_camera.getCameraInfo, camera_id, jcamera_info);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
camera_info->facing = (*env)->GetIntField (env, jcamera_info,
android_hardware_camera_camerainfo.facing);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get CameraInfo.facing field");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
camera_info->orientation = (*env)->GetIntField (env, jcamera_info,
android_hardware_camera_camerainfo.orientation);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get CameraInfo.orientation field");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
if (jcamera_info)
(*env)->DeleteLocalRef (env, jcamera_info);
return ret;
}
gint
gst_ah_camera_get_number_of_cameras ()
{
JNIEnv *env = gst_dvm_get_env ();
gint num_cameras;
num_cameras = (*env)->CallStaticIntMethod (env, android_hardware_camera.klass,
android_hardware_camera.getNumberOfCameras);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return -1;
}
return num_cameras;
}
GstAHCParameters *
gst_ah_camera_get_parameters (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
jobject object = NULL;
GstAHCParameters *params = NULL;
object = (*env)->CallObjectMethod (env, self->object,
android_hardware_camera.getParameters);
if ((*env)->ExceptionCheck (env) || !object) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return NULL;
}
params = g_slice_new0 (GstAHCParameters);
params->object = (*env)->NewGlobalRef (env, object);
if (!params->object) {
GST_ERROR ("Failed to create global reference");
(*env)->ExceptionClear (env);
g_slice_free (GstAHCParameters, params);
params = NULL;
}
(*env)->DeleteLocalRef (env, object);
return params;
}
gboolean
gst_ah_camera_lock (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object, android_hardware_camera.lock);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
GstAHCamera *
gst_ah_camera_open (gint camera_id)
{
JNIEnv *env = gst_dvm_get_env ();
jobject object = NULL;
GstAHCamera *camera = NULL;
object = (*env)->CallStaticObjectMethod (env, android_hardware_camera.klass,
android_hardware_camera.open, camera_id);
if ((*env)->ExceptionCheck (env) || !object) {
/* TODO: return a GError ? */
//jthrowable e = (*env)->ExceptionOccurred(env);
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionDescribe (env);
(*env)->ExceptionClear (env);
return NULL;
}
camera = g_slice_new0 (GstAHCamera);
camera->object = (*env)->NewGlobalRef (env, object);
if (!camera->object) {
GST_ERROR ("Failed to create global reference");
(*env)->ExceptionClear (env);
g_slice_free (GstAHCamera, camera);
camera = NULL;
}
(*env)->DeleteLocalRef (env, object);
return camera;
}
gboolean
gst_ah_camera_reconnect (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object, android_hardware_camera.reconnect);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
void
gst_ah_camera_release (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object, android_hardware_camera.release);
(*env)->DeleteGlobalRef (env, self->object);
g_slice_free (GstAHCamera, self);
}
gboolean
gst_ah_camera_set_parameters (GstAHCamera * self, GstAHCParameters * params)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.setParameters, params->object);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ah_camera_set_error_callback (GstAHCamera * self, GstAHCErrorCallback cb,
gpointer user_data)
{
JNIEnv *env = gst_dvm_get_env ();
jobject object;
gboolean ret = TRUE;
object = (*env)->NewObject (env,
com_gstreamer_gstahccallback.klass,
com_gstreamer_gstahccallback.constructor,
*((jlong *) & cb), *((jlong *) & user_data));
if (!object) {
GST_ERROR ("Failed to create callback object");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.setErrorCallback, object);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
if (object)
(*env)->DeleteLocalRef (env, object);
return ret;
}
gboolean
gst_ah_camera_set_preview_callback_with_buffer (GstAHCamera * self,
GstAHCPreviewCallback cb, gpointer user_data)
{
JNIEnv *env = gst_dvm_get_env ();
jobject object;
gboolean ret = TRUE;
object = (*env)->NewObject (env,
com_gstreamer_gstahccallback.klass,
com_gstreamer_gstahccallback.constructor,
*((jlong *) & cb), *((jlong *) & user_data));
if (!object) {
GST_ERROR ("Failed to create callback object");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.setPreviewCallbackWithBuffer, object);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
goto done;
}
done:
if (object)
(*env)->DeleteLocalRef (env, object);
return ret;
}
void
gst_ah_camera_set_preview_texture (GstAHCamera * self,
GstAGSurfaceTexture * surfaceTexture)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.setPreviewTexture, surfaceTexture->object);
}
gboolean
gst_ah_camera_start_preview (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.startPreview);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ah_camera_start_smooth_zoom (GstAHCamera * self, gint value)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.startSmoothZoom, value);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ah_camera_stop_preview (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.stopPreview);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ah_camera_stop_smooth_zoom (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera.stopSmoothZoom);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ah_camera_unlock (GstAHCamera * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object, android_hardware_camera.unlock);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
/* android.hardware.Camera.Size */
GstAHCSize *
gst_ahc_size_new (gint width, gint height)
{
GstAHCSize *self = g_slice_new0 (GstAHCSize);
self->width = width;
self->height = height;
return self;
}
void
gst_ahc_size_free (GstAHCSize * self)
{
g_slice_free (GstAHCSize, self);
}
/* android.hardware.Camera.Parameters */
gchar *
gst_ahc_parameters_flatten (GstAHCParameters * self)
{
JNIEnv *env = gst_dvm_get_env ();
jstring v_str = NULL;
const gchar *v = NULL;
gchar *ret = NULL;
v_str = (*env)->CallObjectMethod (env, self->object,
android_hardware_camera_parameters.flatten);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
v = (*env)->GetStringUTFChars (env, v_str, NULL);
if (!v) {
GST_ERROR ("Failed to convert string to UTF8");
(*env)->ExceptionClear (env);
goto done;
}
ret = g_strdup (v);
done:
if (v)
(*env)->ReleaseStringUTFChars (env, v_str, v);
if (v_str)
(*env)->DeleteLocalRef (env, v_str);
return ret;
}
gint
gst_ahc_parameters_get_preview_format (GstAHCParameters * self)
{
JNIEnv *env = gst_dvm_get_env ();
gint format;
format = (*env)->CallIntMethod (env, self->object,
android_hardware_camera_parameters.getPreviewFormat);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return 0;
}
return format;
}
gboolean
gst_ahc_parameters_get_preview_fps_range (GstAHCParameters * self,
gint * min, gint * max)
{
JNIEnv *env = gst_dvm_get_env ();
gboolean ret = TRUE;
jintArray range = NULL;
jint *fps = NULL;
range = (*env)->NewIntArray (env, 2);
if (!fps) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to create array");
ret = FALSE;
goto done;
}
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera_parameters.getPreviewFpsRange, range);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return 0;
}
fps = (*env)->GetIntArrayElements (env, range, NULL);
if ((*env)->ExceptionCheck (env) || !fps) {
(*env)->ExceptionClear (env);
GST_ERROR ("Failed to get array elements");
ret = FALSE;
goto done;
}
if (min)
*min = fps[0];
if (max)
*max = fps[1];
done:
if (fps)
(*env)->ReleaseIntArrayElements (env, range, fps, JNI_ABORT);
if (range)
(*env)->DeleteLocalRef (env, range);
return ret;
}
GstAHCSize *
gst_ahc_parameters_get_preview_size (GstAHCParameters * self)
{
JNIEnv *env = gst_dvm_get_env ();
jobject jsize = NULL;
GstAHCSize *size = NULL;
jsize = (*env)->CallObjectMethod (env, self->object,
android_hardware_camera_parameters.getPreviewSize);
if ((*env)->ExceptionCheck (env) || !jsize) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
goto done;
}
size = g_slice_new0 (GstAHCSize);
size->width = (*env)->GetIntField (env, jsize,
android_hardware_camera_size.width);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get Camera.Size.width field");
(*env)->ExceptionClear (env);
g_slice_free (GstAHCSize, size);
size = NULL;
goto done;
}
size->height = (*env)->GetIntField (env, jsize,
android_hardware_camera_size.height);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to get Camera.Size.height field");
(*env)->ExceptionClear (env);
g_slice_free (GstAHCSize, size);
size = NULL;
goto done;
}
done:
if (jsize)
(*env)->DeleteLocalRef (env, jsize);
return size;
}
static jobject
java_util_list_iterator (JNIEnv * env, jobject obj)
{
return (*env)->CallObjectMethod (env, obj, java_util_list.iterator);
}
static jobject
java_util_iterator_next (JNIEnv * env, jobject obj)
{
return (*env)->CallObjectMethod (env, obj, java_util_iterator.next);
}
static jboolean
java_util_iterator_has_next (JNIEnv * env, jobject obj)
{
return (*env)->CallBooleanMethod (env, obj, java_util_iterator.hasNext);
}
static jint
java_lang_integer_int_value (JNIEnv * env, jobject obj)
{
return (*env)->CallIntMethod (env, obj, java_lang_integer.intValue);
}
GList *
gst_ahc_parameters_get_supported_preview_formats (GstAHCParameters * self)
{
JNIEnv *env = gst_dvm_get_env ();
jobject list = NULL;
jobject iterator = NULL;
GList *ret = NULL;
list = (*env)->CallObjectMethod (env, self->object,
android_hardware_camera_parameters.getSupportedPreviewFormats);
if ((*env)->ExceptionCheck (env) || !list) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return NULL;
}
iterator = java_util_list_iterator (env, list);
if (iterator) {
while (java_util_iterator_has_next (env, iterator)) {
jobject integer = java_util_iterator_next (env, iterator);
if (integer) {
jint value = java_lang_integer_int_value (env, integer);
ret = g_list_append (ret, GINT_TO_POINTER (value));
(*env)->DeleteLocalRef (env, integer);
}
}
(*env)->DeleteLocalRef (env, iterator);
}
(*env)->DeleteLocalRef (env, list);
return ret;
}
void
gst_ahc_parameters_supported_preview_formats_free (GList * list)
{
g_list_free (list);
}
GList *
gst_ahc_parameters_get_supported_preview_fps_range (GstAHCParameters * self)
{
JNIEnv *env = gst_dvm_get_env ();
jobject list = NULL;
jobject iterator = NULL;
GList *ret = NULL;
list = (*env)->CallObjectMethod (env, self->object,
android_hardware_camera_parameters.getSupportedPreviewFpsRange);
if ((*env)->ExceptionCheck (env) || !list) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return NULL;
}
iterator = java_util_list_iterator (env, list);
if (iterator) {
while (java_util_iterator_has_next (env, iterator)) {
jintArray range = java_util_iterator_next (env, iterator);
if (range) {
jint *fps = malloc (sizeof (jint) * 2);
(*env)->GetIntArrayRegion (env, range, 0, 2, fps);
ret = g_list_append (ret, fps);
(*env)->DeleteLocalRef (env, range);
}
}
(*env)->DeleteLocalRef (env, iterator);
}
(*env)->DeleteLocalRef (env, list);
return ret;
}
void
gst_ahc_parameters_supported_preview_fps_range_free (GList * list)
{
g_list_free_full (list, (GDestroyNotify) g_free);
}
GList *
gst_ahc_parameters_get_supported_preview_sizes (GstAHCParameters * self)
{
JNIEnv *env = gst_dvm_get_env ();
jobject list = NULL;
jobject iterator = NULL;
GList *ret = NULL;
list = (*env)->CallObjectMethod (env, self->object,
android_hardware_camera_parameters.getSupportedPreviewSizes);
if ((*env)->ExceptionCheck (env) || !list) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return NULL;
}
iterator = java_util_list_iterator (env, list);
if (iterator) {
while (java_util_iterator_has_next (env, iterator)) {
jobject jsize = java_util_iterator_next (env, iterator);
if (jsize) {
jint width, height;
width = (*env)->GetIntField (env, jsize,
android_hardware_camera_size.width);
height = (*env)->GetIntField (env, jsize,
android_hardware_camera_size.height);
ret = g_list_append (ret, gst_ahc_size_new (width, height));
(*env)->DeleteLocalRef (env, jsize);
}
}
(*env)->DeleteLocalRef (env, iterator);
}
(*env)->DeleteLocalRef (env, list);
return ret;
}
void
gst_ahc_parameters_supported_preview_sizes_free (GList * list)
{
g_list_free_full (list, (GDestroyNotify) gst_ahc_size_free);
}
gboolean
gst_ahc_parameters_set_preview_format (GstAHCParameters * self, gint format)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera_parameters.setPreviewFormat, format);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ahc_parameters_set_preview_fps_range (GstAHCParameters * self,
gint min, gint max)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera_parameters.setPreviewFpsRange, min, max);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ahc_parameters_set_preview_size (GstAHCParameters * self,
gint width, gint height)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera_parameters.setPreviewSize, width, height);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
return FALSE;
}
return TRUE;
}
gboolean
gst_ahc_parameters_unflatten (GstAHCParameters * self, gchar * flattened)
{
JNIEnv *env = gst_dvm_get_env ();
jstring v_str = NULL;
gboolean ret = TRUE;
v_str = (*env)->NewStringUTF (env, flattened);
if (v_str == NULL)
return FALSE;
(*env)->CallVoidMethod (env, self->object,
android_hardware_camera_parameters.unflatten, v_str);
if ((*env)->ExceptionCheck (env)) {
GST_ERROR ("Failed to call Java method");
(*env)->ExceptionClear (env);
ret = FALSE;
}
(*env)->DeleteLocalRef (env, v_str);
return ret;
}
void
gst_ahc_parameters_free (GstAHCParameters * self)
{
JNIEnv *env = gst_dvm_get_env ();
(*env)->DeleteGlobalRef (env, self->object);
g_slice_free (GstAHCParameters, self);
}