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MediaPlayer: implement using GtkMediaStream

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Mis012 2025-03-04 17:46:49 +01:00
parent c31ed5e878
commit 74f2e9f308
4 changed files with 135 additions and 3 deletions
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1
meson.build
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@ -108,6 +108,7 @@ libtranslationlayer_so = shared_library('translation_layer_main', [
'src/api-impl-jni/graphics/android_graphics_drawable_DrawableContainer.c',
'src/api-impl-jni/location/android_location_LocationManager.c',
'src/api-impl-jni/media/android_media_MediaCodec.c',
'src/api-impl-jni/media/android_media_MediaPlayer.c',
'src/api-impl-jni/media/android_media_session_MediaSession.c',
'src/api-impl-jni/net/android_net_ConnectivityManager.c',
'src/api-impl-jni/os/android_os_Process.c',

45
src/api-impl-jni/generated_headers/android_media_MediaPlayer.h Normal file
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@ -0,0 +1,45 @@
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class android_media_MediaPlayer */
#ifndef _Included_android_media_MediaPlayer
#define _Included_android_media_MediaPlayer
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: android_media_MediaPlayer
* Method: native_prepare
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_android_media_MediaPlayer_native_1prepare
(JNIEnv *, jclass, jlong);
/*
* Class: android_media_MediaPlayer
* Method: native_setDataSource
* Signature: (Ljava/lang/String;)J
*/
JNIEXPORT jlong JNICALL Java_android_media_MediaPlayer_native_1setDataSource
(JNIEnv *, jobject, jstring);
/*
* Class: android_media_MediaPlayer
* Method: native_setOnCompletionListener
* Signature: (JLandroid/media/MediaPlayer/OnCompletionListener;)V
*/
JNIEXPORT void JNICALL Java_android_media_MediaPlayer_native_1setOnCompletionListener
(JNIEnv *, jclass, jlong, jobject);
/*
* Class: android_media_MediaPlayer
* Method: native_start
* Signature: (J)V
*/
JNIEXPORT void JNICALL Java_android_media_MediaPlayer_native_1start
(JNIEnv *, jclass, jlong);
#ifdef __cplusplus
}
#endif
#endif

58
src/api-impl-jni/media/android_media_MediaPlayer.c Normal file
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@ -0,0 +1,58 @@
#include <gtk/gtk.h>
#include "../defines.h"
#include "../util.h"
#include "../generated_headers/android_media_MediaPlayer.h"
static void on_prepared(GtkMediaStream *media_stream)
{
// play once muted to ensure file is fully loaded
gtk_media_stream_set_muted(media_stream, true);
gtk_media_stream_play(media_stream);
}
JNIEXPORT jlong JNICALL Java_android_media_MediaPlayer_native_1setDataSource(JNIEnv *env, jobject this, jstring path_jstr)
{
const char *path = _CSTRING(path_jstr);
GtkMediaStream *media_stream = gtk_media_file_new_for_filename(path);
g_object_set_data(G_OBJECT(media_stream), "media_player", _REF(this));
g_signal_connect(media_stream, "notify::prepared", G_CALLBACK(on_prepared), NULL);
return _INTPTR(media_stream);
}
static void on_ended(GtkMediaStream *media_stream, GParamSpec *pspec, jobject listener)
{
JNIEnv *env = get_jni_env();
jmethodID onCompletion = _METHOD(_CLASS(listener), "onCompletion", "(Landroid/media/MediaPlayer;)V");
(*env)->CallVoidMethod(env, listener, onCompletion, g_object_get_data(G_OBJECT(media_stream), "media_player"));
}
JNIEXPORT void JNICALL Java_android_media_MediaPlayer_native_1setOnCompletionListener(JNIEnv *env, jclass this, jlong media_stream_ptr, jobject listener)
{
GtkMediaStream *media_stream = _PTR(media_stream_ptr);
g_signal_connect(media_stream, "notify::ended", G_CALLBACK(on_ended), _REF(listener));
}
JNIEXPORT void JNICALL Java_android_media_MediaPlayer_native_1prepare(JNIEnv *env, jclass this, jlong media_stream_ptr)
{
GtkMediaStream *media_stream = _PTR(media_stream_ptr);
if(!gtk_media_stream_is_prepared(media_stream)) {
/* HACK: GtkMediaStream doesn't support synchronous initialization */
gtk_media_stream_stream_prepared(media_stream, true, true, false, 0);
}
}
JNIEXPORT void JNICALL Java_android_media_MediaPlayer_native_1start(JNIEnv *env, jclass this, jlong media_stream_ptr)
{
GtkMediaStream *media_stream = _PTR(media_stream_ptr);
gtk_media_stream_set_muted(media_stream, false);
gtk_media_stream_set_volume(media_stream, 1.0);
gtk_media_stream_play(media_stream);
}

34
src/api-impl/android/media/MediaPlayer.java
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@ -4,7 +4,10 @@ import android.content.Context;
import java.io.FileDescriptor;
public class MediaPlayer {
private long gtk_media_stream;
public interface OnCompletionListener {
void onCompletion(MediaPlayer media_player);
}
public interface OnErrorListener {
}
@ -23,19 +26,44 @@ public class MediaPlayer {
public static MediaPlayer create(Context context, int dummy) { return new MediaPlayer(); }
public void setDataSource(FileDescriptor src, long dummy, long dummy2) {}
public void setDataSource(FileDescriptor src, long offset, long length) {}
public void setDataSource(String path) {
gtk_media_stream = native_setDataSource(path);
}
public void setLooping(boolean dummy) {}
public void setOnCompletionListener(MediaPlayer.OnCompletionListener dummy) {}
public void setOnCompletionListener(MediaPlayer.OnCompletionListener listener) {
native_setOnCompletionListener(gtk_media_stream, listener);
}
public void setOnErrorListener(MediaPlayer.OnErrorListener dummy) {}
public void setOnPreparedListener(MediaPlayer.OnPreparedListener dummy) {}
public void setOnBufferingUpdateListener(MediaPlayer.OnBufferingUpdateListener dummy) {}
public void setOnInfoListener(MediaPlayer.OnInfoListener dummy) {}
public void setOnSeekCompleteListener(MediaPlayer.OnSeekCompleteListener dummy) {}
public void setOnVideoSizeChangedListener(MediaPlayer.OnVideoSizeChangedListener dummy) {}
public void setAudioAttributes(AudioAttributes attributes) {}
public void setAudioStreamType(int dummy) {}
public void start() {}
public void start() {
native_start(gtk_media_stream);
}
public void stop() {}
public void pause() {}
public void prepare() {
native_prepare(gtk_media_stream);
}
public void prepareAsync() {}
public void reset() {}
public void release() {}
public static native void native_prepare(long gtk_media_stream);
public native long native_setDataSource(String path);
public static native void native_setOnCompletionListener(long gtk_media_stream, MediaPlayer.OnCompletionListener listener);
public static native void native_start(long gtk_media_stream);
}