hpdragon
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
#include "gst_player.h"
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#include <string.h>
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#include <jni.h>
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#include <android/log.h>
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#include <android/native_window.h>
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#include <android/native_window_jni.h>
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#define LOG_TAG "flutter_gstreamer_player_plugin_android"
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#define ANATIVEWINDOW_BUFFER_FORMAT AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM
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static jint
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handle_player_register_texture(JNIEnv * env, jobject thiz, jstring pipeline, jint player_id, jobject surface) {
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const char *pipelineString = env->GetStringUTFChars(pipeline, 0);
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ANativeWindow *native_window = ANativeWindow_fromSurface (env, surface);
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__android_log_print (ANDROID_LOG_INFO,
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LOG_TAG,
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"pipeline: %s, player_id: %d",
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pipelineString,
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player_id);
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GstPlayer* gstPlayer = g_players->Get(player_id);
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gstPlayer->onVideo([
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native_window = native_window
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](
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uint8_t* frame,
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uint32_t size,
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int32_t width,
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int32_t height,
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int32_t stride) -> void {
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if (native_window != NULL) {
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ANativeWindow_Buffer nativeBuffer;
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if (ANativeWindow_lock(native_window, &nativeBuffer, NULL) == 0) {
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if (nativeBuffer.width != width || nativeBuffer.height != height) {
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ANativeWindow_unlockAndPost(native_window);
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ANativeWindow_setBuffersGeometry(native_window,
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width,
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height,
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ANATIVEWINDOW_BUFFER_FORMAT);
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if (ANativeWindow_lock(native_window, &nativeBuffer, NULL) != 0) {
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return;
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}
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}
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uint32_t pixelSize = size / (width * height);
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for (int h = 0; h < height; h++) {
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memcpy((void*)((long)nativeBuffer.bits + h * nativeBuffer.stride * pixelSize),
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frame + h*stride,
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width * pixelSize);
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}
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ANativeWindow_unlockAndPost(native_window);
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}
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}
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}
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);
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gstPlayer->play(pipelineString);
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env->ReleaseStringUTFChars(pipeline, pipelineString);
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return 0;
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}
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/* List of implemented native methods */
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static JNINativeMethod native_methods[] = {
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{"handlePlayerRegisterTexture", "(Ljava/lang/String;ILjava/lang/Object;)I",
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(void *) handle_player_register_texture},
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};
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/* Library initializer */
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jint
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JNI_OnLoad (JavaVM * vm, void *reserved)
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{
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JNIEnv *env = NULL;
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if (vm->GetEnv ((void **) &env, JNI_VERSION_1_4) != JNI_OK) {
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__android_log_print (ANDROID_LOG_ERROR, LOG_TAG,
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"Could not retrieve JNIEnv");
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return 0;
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}
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jclass klass = env->FindClass (
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"com/hpdragon1618/flutter_gstreamer_player/FlutterGstreamerPlayerPlugin");
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env->RegisterNatives (klass, native_methods,
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G_N_ELEMENTS (native_methods));
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return JNI_VERSION_1_4;
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}
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