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MediaPlayer: implement using GtkMediaStream

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This commit is contained in:
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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45
src/api-impl-jni/generated_headers/android_media_MediaPlayer.h Normal file
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/* 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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#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);
}