mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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193 lines
4.6 KiB
C
193 lines
4.6 KiB
C
/*
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* Copyright (C) 2013, Fluendo S.A.
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* Author: Andoni Morales <amorales@fluendo.com>
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*
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* Copyright (C) 2015, 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstjniutils.h"
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#include "gstamcsurface.h"
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G_DEFINE_TYPE (GstAmcSurface, gst_amc_surface, G_TYPE_OBJECT);
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static gpointer parent_class = NULL;
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static void gst_amc_surface_dispose (GObject * object);
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static gboolean
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_cache_java_class (GstAmcSurfaceClass * klass, GError ** err)
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{
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JNIEnv *env;
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gst_amc_jni_initialize ();
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env = gst_amc_jni_get_env ();
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klass->jklass = gst_amc_jni_get_class (env, err, "android/view/Surface");
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if (!klass->jklass) {
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return FALSE;
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}
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klass->constructor =
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gst_amc_jni_get_method_id (env, err, klass->jklass, "<init>",
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"(Landroid/graphics/SurfaceTexture;)V");
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if (!klass->constructor) {
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goto error;
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}
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klass->is_valid =
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gst_amc_jni_get_method_id (env, err, klass->jklass, "isValid", "()Z");
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if (!klass->is_valid) {
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goto error;
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}
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klass->release =
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gst_amc_jni_get_method_id (env, err, klass->jklass, "release", "()V");
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if (!klass->release) {
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goto error;
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}
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klass->describe_contents =
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gst_amc_jni_get_method_id (env, err, klass->jklass, "describeContents",
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"()I");
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if (!klass->describe_contents) {
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goto error;
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}
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return TRUE;
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error:
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gst_amc_jni_object_unref (env, klass->jklass);
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return FALSE;
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}
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static void
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gst_amc_surface_class_init (GstAmcSurfaceClass * klass)
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{
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GError *err = NULL;
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->dispose = gst_amc_surface_dispose;
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if (!_cache_java_class (klass, &err)) {
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GST_ERROR ("Could not cache java class android/view/Surface: %s",
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err->message);
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g_clear_error (&err);
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}
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}
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static void
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gst_amc_surface_init (GstAmcSurface * self)
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{
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/* initialize the object */
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}
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static void
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gst_amc_surface_dispose (GObject * object)
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{
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GstAmcSurface *self;
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JNIEnv *env;
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GError *err = NULL;
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self = GST_AMC_SURFACE (object);
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env = gst_amc_jni_get_env ();
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if (!gst_amc_surface_release (self, &err)) {
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if (err) {
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GST_ERROR ("Error: %s", err->message);
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}
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}
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if (self->jobject) {
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gst_amc_jni_object_unref (env, self->jobject);
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}
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if (self->texture != NULL) {
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g_object_unref (self->texture);
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self->texture = NULL;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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GstAmcSurface *
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gst_amc_surface_new (GstAmcSurfaceTextureJNI * texture, GError ** err)
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{
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GstAmcSurface *surface;
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GstAmcSurfaceClass *klass;
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JNIEnv *env;
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surface = g_object_new (GST_TYPE_AMC_SURFACE, NULL);
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env = gst_amc_jni_get_env ();
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klass = GST_AMC_SURFACE_GET_CLASS (surface);
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surface->jobject = gst_amc_jni_new_object (env, err, TRUE, klass->jklass,
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klass->constructor, gst_amc_surface_texture_jni_get_jobject (texture));
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if (surface->jobject == NULL) {
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g_object_unref (surface);
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return NULL;
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}
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surface->texture = g_object_ref (texture);
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return surface;
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}
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gboolean
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gst_amc_surface_is_valid (GstAmcSurface * self, gboolean * result,
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GError ** err)
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{
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JNIEnv *env;
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GstAmcSurfaceClass *klass;
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env = gst_amc_jni_get_env ();
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klass = GST_AMC_SURFACE_GET_CLASS (self);
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return gst_amc_jni_call_boolean_method (env, err, self->jobject,
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klass->is_valid, result);
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}
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gboolean
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gst_amc_surface_release (GstAmcSurface * self, GError ** err)
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{
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JNIEnv *env;
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GstAmcSurfaceClass *klass;
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env = gst_amc_jni_get_env ();
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klass = GST_AMC_SURFACE_GET_CLASS (self);
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return gst_amc_jni_call_void_method (env, err, self->jobject, klass->release);
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}
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gboolean
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gst_amc_surface_describe_contents (GstAmcSurface * self, gint * result,
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GError ** err)
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{
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JNIEnv *env;
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GstAmcSurfaceClass *klass;
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env = gst_amc_jni_get_env ();
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klass = GST_AMC_SURFACE_GET_CLASS (self);
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return gst_amc_jni_call_int_method (env, err, self->jobject,
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klass->describe_contents, result);
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}
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