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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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6b2800e324
In JNI_OnLoad() we will already get the Java VM passed and could just directly use that. gstreamer_android-1.0.c will now provide this to us. Reason for this is that apparently not all Android system are providing the JNI functions to get the currently running Java VMs, so we would fail to get. With this we will always be able to get the Java VM on such systems.
190 lines
8.6 KiB
C
190 lines
8.6 KiB
C
/*
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* Copyright (C) 2012, Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* Copyright (C) 2013, Fluendo S.A.
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* Author: Andoni Morales <amorales@fluendo.com>
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* Copyright (C) 2014, Sebastian Dröge <sebastian@centricular.com>
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* Copyright (C) 2014, Collabora Ltd.
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* Author: Matthieu Bouron <matthieu.bouron@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __GST_AMC_JNI_UTILS_H__
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#define __GST_AMC_JNI_UTILS_H__
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#include <jni.h>
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#include <glib.h>
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#include <gst/gst.h>
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jclass gst_amc_jni_get_class (JNIEnv * env,
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GError ** err,
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const gchar * name);
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jmethodID gst_amc_jni_get_method_id (JNIEnv * env,
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GError ** err,
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jclass klass,
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const gchar * name,
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const gchar * signature);
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jmethodID gst_amc_jni_get_static_method_id (JNIEnv * env,
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GError ** err,
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jclass klass,
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const gchar * name,
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const gchar * signature);
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jfieldID gst_amc_jni_get_field_id (JNIEnv * env,
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GError ** err,
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jclass klass,
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const gchar * name,
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const gchar * type);
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jfieldID gst_amc_jni_get_static_field_id (JNIEnv * env,
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GError ** err,
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jclass klass,
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const gchar * name,
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const gchar * type);
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jobject gst_amc_jni_new_object (JNIEnv * env,
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GError ** err,
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gboolean global,
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jclass klass,
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jmethodID constructor,
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...);
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jobject gst_amc_jni_new_object_from_static (JNIEnv * env,
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GError ** err,
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gboolean global,
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jclass klass,
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jmethodID constructor,
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...);
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jobject gst_amc_jni_object_make_global (JNIEnv * env,
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jobject object);
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jobject gst_amc_jni_object_ref (JNIEnv * env,
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jobject object);
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void gst_amc_jni_object_unref (JNIEnv * env,
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jobject object);
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void gst_amc_jni_object_local_unref (JNIEnv * env,
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jobject object);
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gchar *gst_amc_jni_string_to_gchar (JNIEnv * env,
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jstring string,
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gboolean release);
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jstring gst_amc_jni_string_from_gchar (JNIEnv * env,
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GError ** error,
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gboolean global,
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const gchar * string);
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G_GNUC_PRINTF (5, 6)
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void gst_amc_jni_set_error (JNIEnv * env,
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GError ** error,
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GQuark domain,
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gint code,
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const gchar * format, ...);
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void gst_amc_jni_set_java_vm (JavaVM *java_vm);
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gboolean gst_amc_jni_initialize (void);
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gboolean gst_amc_jni_is_vm_started (void);
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JNIEnv *gst_amc_jni_get_env (void);
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#define DEF_CALL_STATIC_TYPE_METHOD(_type, _name, _jname, _retval) \
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gboolean gst_amc_jni_call_static_##_name##_method (JNIEnv *env, GError ** err, jclass klass, jmethodID methodID, _type * value, ...)
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DEF_CALL_STATIC_TYPE_METHOD (gboolean, boolean, Boolean, FALSE);
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DEF_CALL_STATIC_TYPE_METHOD (gint8, byte, Byte, G_MININT8);
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DEF_CALL_STATIC_TYPE_METHOD (gshort, short, Short, G_MINSHORT);
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DEF_CALL_STATIC_TYPE_METHOD (gint, int, Int, G_MININT);
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DEF_CALL_STATIC_TYPE_METHOD (gchar, char, Char, 0);
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DEF_CALL_STATIC_TYPE_METHOD (gint64, long, Long, G_MINLONG);
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DEF_CALL_STATIC_TYPE_METHOD (gfloat, float, Float, G_MINFLOAT);
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DEF_CALL_STATIC_TYPE_METHOD (gdouble, double, Double, G_MINDOUBLE);
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DEF_CALL_STATIC_TYPE_METHOD (jobject, object, Object, NULL);
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gboolean gst_amc_jni_call_static_void_method (JNIEnv * env,
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GError ** error,
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jclass klass,
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jmethodID method, ...);
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#define DEF_CALL_TYPE_METHOD(_type, _name, _jname, _retval) \
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gboolean gst_amc_jni_call_##_name##_method (JNIEnv *env, GError ** err, jobject obj, jmethodID methodID, _type * value, ...)
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DEF_CALL_TYPE_METHOD (gboolean, boolean, Boolean, FALSE);
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DEF_CALL_TYPE_METHOD (gint8, byte, Byte, G_MININT8);
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DEF_CALL_TYPE_METHOD (gshort, short, Short, G_MINSHORT);
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DEF_CALL_TYPE_METHOD (gint, int, Int, G_MININT);
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DEF_CALL_TYPE_METHOD (gchar, char, Char, 0);
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DEF_CALL_TYPE_METHOD (gint64, long, Long, G_MINLONG);
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DEF_CALL_TYPE_METHOD (gfloat, float, Float, G_MINFLOAT);
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DEF_CALL_TYPE_METHOD (gdouble, double, Double, G_MINDOUBLE);
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DEF_CALL_TYPE_METHOD (jobject, object, Object, NULL);
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gboolean gst_amc_jni_call_void_method (JNIEnv * env,
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GError ** error,
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jobject obj,
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jmethodID method, ...);
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#define DEF_GET_TYPE_FIELD(_type, _name, _jname) \
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gboolean gst_amc_jni_get_##_name##_field (JNIEnv *env, GError ** err, jobject obj, jfieldID fieldID, _type * value)
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DEF_GET_TYPE_FIELD (gboolean, boolean, Boolean);
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DEF_GET_TYPE_FIELD (gint8, byte, Byte);
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DEF_GET_TYPE_FIELD (gshort, short, Short);
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DEF_GET_TYPE_FIELD (gint, int, Int);
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DEF_GET_TYPE_FIELD (gchar, char, Char);
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DEF_GET_TYPE_FIELD (gint64, long, Long);
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DEF_GET_TYPE_FIELD (gfloat, float, Float);
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DEF_GET_TYPE_FIELD (gdouble, double, Double);
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DEF_GET_TYPE_FIELD (jobject, object, Object);
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#define DEF_GET_STATIC_TYPE_FIELD(_type, _name, _jname) \
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gboolean gst_amc_jni_get_static_##_name##_field (JNIEnv *env, GError ** err, jclass klass, jfieldID fieldID, _type * value)
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DEF_GET_STATIC_TYPE_FIELD (gboolean, boolean, Boolean);
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DEF_GET_STATIC_TYPE_FIELD (gint8, byte, Byte);
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DEF_GET_STATIC_TYPE_FIELD (gshort, short, Short);
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DEF_GET_STATIC_TYPE_FIELD (gint, int, Int);
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DEF_GET_STATIC_TYPE_FIELD (gchar, char, Char);
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DEF_GET_STATIC_TYPE_FIELD (gint64, long, Long);
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DEF_GET_STATIC_TYPE_FIELD (gfloat, float, Float);
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DEF_GET_STATIC_TYPE_FIELD (gdouble, double, Double);
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DEF_GET_STATIC_TYPE_FIELD (jobject, object, Object);
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typedef struct _GstAmcBuffer GstAmcBuffer;
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struct _GstAmcBuffer {
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jobject object; /* global reference */
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guint8 *data;
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gsize size;
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};
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gboolean gst_amc_buffer_get_position_and_limit (GstAmcBuffer * buffer, GError ** err, gint * position, gint * limit);
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gboolean gst_amc_buffer_set_position_and_limit (GstAmcBuffer * buffer, GError ** err, gint position, gint limit);
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gboolean gst_amc_buffer_clear (GstAmcBuffer * buffer, GError ** err);
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GstAmcBuffer * gst_amc_buffer_copy (GstAmcBuffer * buffer);
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void gst_amc_buffer_free (GstAmcBuffer * buffer);
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gboolean gst_amc_jni_get_buffer_array (JNIEnv * env, GError ** err, jobject array, GstAmcBuffer ** buffers, gsize * n_buffers);
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void gst_amc_jni_free_buffer_array (JNIEnv * env, GstAmcBuffer * buffers, gsize n_buffers);
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#endif
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