gstreamer/sys/androidcamera/gst-android-graphics-imageformat.c

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/*
* 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-graphics-imageformat.h"
static struct
{
jclass klass;
jmethodID getBitsPerPixel;
jint JPEG;
jint NV16;
jint NV21;
jint RGB_565;
jint UNKNOWN;
jint YUY2;
jint YV12;
} android_graphics_imageformat = {0};
gint ImageFormat_JPEG;
gint ImageFormat_NV16;
gint ImageFormat_NV21;
gint ImageFormat_RGB_565;
gint ImageFormat_UNKNOWN;
gint ImageFormat_YUY2;
gint ImageFormat_YV12;
static gboolean
_init_classes ()
{
JNIEnv *env = gst_dvm_get_env ();
/* android.graphics.ImageFormat */
GST_DVM_GET_CLASS (android_graphics_imageformat,
"android/graphics/ImageFormat");
GST_DVM_GET_STATIC_METHOD (android_graphics_imageformat, getBitsPerPixel,
"(I)I");
GST_DVM_GET_CONSTANT (android_graphics_imageformat, JPEG, Int, "I");
ImageFormat_JPEG = android_graphics_imageformat.JPEG;
GST_DVM_GET_CONSTANT (android_graphics_imageformat, NV16, Int, "I");
ImageFormat_NV16 = android_graphics_imageformat.NV16;
GST_DVM_GET_CONSTANT (android_graphics_imageformat, NV21, Int, "I");
ImageFormat_NV21 = android_graphics_imageformat.NV21;
GST_DVM_GET_CONSTANT (android_graphics_imageformat, RGB_565, Int, "I");
ImageFormat_RGB_565 = android_graphics_imageformat.RGB_565;
GST_DVM_GET_CONSTANT (android_graphics_imageformat, UNKNOWN, Int, "I");
ImageFormat_UNKNOWN = android_graphics_imageformat.UNKNOWN;
GST_DVM_GET_CONSTANT (android_graphics_imageformat, YUY2, Int, "I");
ImageFormat_YUY2 = android_graphics_imageformat.YUY2;
GST_DVM_GET_CONSTANT (android_graphics_imageformat, YV12, Int, "I");
ImageFormat_YV12 = android_graphics_imageformat.YV12;
return TRUE;
}
gboolean
gst_android_graphics_imageformat_init ()
{
if (!_init_classes ()) {
gst_android_graphics_imageformat_deinit ();
return FALSE;
}
return TRUE;
}
void
gst_android_graphics_imageformat_deinit ()
{
JNIEnv *env = gst_dvm_get_env ();
if (android_graphics_imageformat.klass)
(*env)->DeleteGlobalRef (env, android_graphics_imageformat.klass);
android_graphics_imageformat.klass = NULL;
}
/* android.graphics.ImageFormat */
gint
gst_ag_imageformat_get_bits_per_pixel (gint format)
{
JNIEnv *env = gst_dvm_get_env ();
jint bpp = 0;
bpp = GST_DVM_STATIC_CALL(return -1, Int,
android_graphics_imageformat, getBitsPerPixel, format);
return bpp;
}