AndroidVDA by using Android's MediaCodec API.

media/base/android/MediaCodec_jni.h

Index: media/base/android/MediaCodec_jni.h
diff --git a/media/base/android/MediaCodec_jni.h b/media/base/android/MediaCodec_jni.h
new file mode 100644
index 0000000000000000000000000000000000000000..a1e1bbf90251531812bd9381d8cc826d1f60a9e4
--- /dev/null
+++ b/media/base/android/MediaCodec_jni.h
@@ -0,0 +1,523 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file is autogenerated by

[Ami GONE FROM CHROMIUM, 2013/01/23 01:32:32]

Is this in fact an unmodified copy of that generated file?  (i.e. do I have to
review it?)

[dwkang1, 2013/01/28 14:54:30]

You shouldn't. =)

+//     base/android/jni_generator/jni_generator.py
+// For
+//     android/media/MediaCodec

[Ami GONE FROM CHROMIUM, 2013/01/23 01:32:32]

You plan to solve the autogen problem before landing this CL, right?

[dwkang1, 2013/01/28 14:54:30]

Fixed the bug in jni_generator.
https://codereview.chromium.org/12094008/

+
+#ifndef android_media_MediaCodec_JNI
+#define android_media_MediaCodec_JNI
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+using base::android::ScopedJavaLocalRef;
+
+// Step 1: forward declarations.
+namespace {
+const char kMediaCodecClassPath[] = "android/media/MediaCodec";
+// Leaking this jclass as we cannot use LazyInstance from some threads.
+jclass g_MediaCodec_clazz = NULL;
+}  // namespace
+
+namespace JNI_MediaCodec {
+
+// Step 2: method stubs.
+
+static base::subtle::AtomicWord g_MediaCodec_createDecoderByType = 0;
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_createDecoderByType(JNIEnv*
+    env, jstring p0) __attribute__ ((unused));
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_createDecoderByType(JNIEnv*
+    env, jstring p0) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_STATIC>(
+      env, g_MediaCodec_clazz,
+      "createDecoderByType",
+
+"("
+"Ljava/lang/String;"
+")"
+"Landroid/media/MediaCodec;",
+      &g_MediaCodec_createDecoderByType);
+
+  jobject ret =
+    env->CallStaticObjectMethod(g_MediaCodec_clazz,
+      method_id, p0);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
+static base::subtle::AtomicWord g_MediaCodec_createEncoderByType = 0;
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_createEncoderByType(JNIEnv*
+    env, jstring p0) __attribute__ ((unused));
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_createEncoderByType(JNIEnv*
+    env, jstring p0) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_STATIC>(
+      env, g_MediaCodec_clazz,
+      "createEncoderByType",
+
+"("
+"Ljava/lang/String;"
+")"
+"Landroid/media/MediaCodec;",
+      &g_MediaCodec_createEncoderByType);
+
+  jobject ret =
+    env->CallStaticObjectMethod(g_MediaCodec_clazz,
+      method_id, p0);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
+static base::subtle::AtomicWord g_MediaCodec_createByCodecName = 0;
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_createByCodecName(JNIEnv*
+    env, jstring p0) __attribute__ ((unused));
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_createByCodecName(JNIEnv*
+    env, jstring p0) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_STATIC>(
+      env, g_MediaCodec_clazz,
+      "createByCodecName",
+
+"("
+"Ljava/lang/String;"
+")"
+"Landroid/media/MediaCodec;",
+      &g_MediaCodec_createByCodecName);
+
+  jobject ret =
+    env->CallStaticObjectMethod(g_MediaCodec_clazz,
+      method_id, p0);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
+static base::subtle::AtomicWord g_MediaCodec_finalize = 0;
+static void Java_MediaCodec_finalize(JNIEnv* env, jobject obj) __attribute__
+    ((unused));
+static void Java_MediaCodec_finalize(JNIEnv* env, jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "finalize",
+
+"("
+")"
+"V",
+      &g_MediaCodec_finalize);
+
+  env->CallVoidMethod(obj,
+      method_id);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_release = 0;
+static void Java_MediaCodec_release(JNIEnv* env, jobject obj) __attribute__
+    ((unused));
+static void Java_MediaCodec_release(JNIEnv* env, jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "release",
+
+"("
+")"
+"V",
+      &g_MediaCodec_release);
+
+  env->CallVoidMethod(obj,
+      method_id);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_configure = 0;
+static void Java_MediaCodec_configure(JNIEnv* env, jobject obj, jobject p0,
+    jobject p1,
+    jobject p2,
+    jint p3) __attribute__ ((unused));
+static void Java_MediaCodec_configure(JNIEnv* env, jobject obj, jobject p0,
+    jobject p1,
+    jobject p2,
+    jint p3) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "configure",
+
+"("
+"Landroid/media/MediaFormat;"
+"Landroid/view/Surface;"
+"Landroid/media/MediaCrypto;"
+"I"
+")"
+"V",
+      &g_MediaCodec_configure);
+
+  env->CallVoidMethod(obj,
+      method_id, p0, p1, p2, p3);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_start = 0;
+static void Java_MediaCodec_start(JNIEnv* env, jobject obj) __attribute__
+    ((unused));
+static void Java_MediaCodec_start(JNIEnv* env, jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "start",
+
+"("
+")"
+"V",
+      &g_MediaCodec_start);
+
+  env->CallVoidMethod(obj,
+      method_id);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_stop = 0;
+static void Java_MediaCodec_stop(JNIEnv* env, jobject obj) __attribute__
+    ((unused));
+static void Java_MediaCodec_stop(JNIEnv* env, jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "stop",
+
+"("
+")"
+"V",
+      &g_MediaCodec_stop);
+
+  env->CallVoidMethod(obj,
+      method_id);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_flush = 0;
+static void Java_MediaCodec_flush(JNIEnv* env, jobject obj) __attribute__
+    ((unused));
+static void Java_MediaCodec_flush(JNIEnv* env, jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "flush",
+
+"("
+")"
+"V",
+      &g_MediaCodec_flush);
+
+  env->CallVoidMethod(obj,
+      method_id);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_queueInputBuffer = 0;
+static void Java_MediaCodec_queueInputBuffer(JNIEnv* env, jobject obj, jint p0,
+    jint p1,
+    jint p2,
+    jlong p3,
+    jint p4) __attribute__ ((unused));
+static void Java_MediaCodec_queueInputBuffer(JNIEnv* env, jobject obj, jint p0,
+    jint p1,
+    jint p2,
+    jlong p3,
+    jint p4) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "queueInputBuffer",
+
+"("
+"I"
+"I"
+"I"
+"J"
+"I"
+")"
+"V",
+      &g_MediaCodec_queueInputBuffer);
+
+  env->CallVoidMethod(obj,
+      method_id, p0, p1, p2, p3, p4);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_queueSecureInputBuffer = 0;
+static void Java_MediaCodec_queueSecureInputBuffer(JNIEnv* env, jobject obj,
+    jint p0,
+    jint p1,
+    jobject p2,
+    jlong p3,
+    jint p4) __attribute__ ((unused));
+static void Java_MediaCodec_queueSecureInputBuffer(JNIEnv* env, jobject obj,
+    jint p0,
+    jint p1,
+    jobject p2,
+    jlong p3,
+    jint p4) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "queueSecureInputBuffer",
+
+"("
+"I"
+"I"
+"Landroid/media/MediaCodec$CryptoInfo;"
+"J"
+"I"
+")"
+"V",
+      &g_MediaCodec_queueSecureInputBuffer);
+
+  env->CallVoidMethod(obj,
+      method_id, p0, p1, p2, p3, p4);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_dequeueInputBuffer = 0;
+static jint Java_MediaCodec_dequeueInputBuffer(JNIEnv* env, jobject obj, jlong
+    p0) __attribute__ ((unused));
+static jint Java_MediaCodec_dequeueInputBuffer(JNIEnv* env, jobject obj, jlong
+    p0) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "dequeueInputBuffer",
+
+"("
+"J"
+")"
+"I",
+      &g_MediaCodec_dequeueInputBuffer);
+
+  jint ret =
+    env->CallIntMethod(obj,
+      method_id, p0);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static base::subtle::AtomicWord g_MediaCodec_dequeueOutputBuffer = 0;
+static jint Java_MediaCodec_dequeueOutputBuffer(JNIEnv* env, jobject obj,
+    jobject p0,
+    jlong p1) __attribute__ ((unused));
+static jint Java_MediaCodec_dequeueOutputBuffer(JNIEnv* env, jobject obj,
+    jobject p0,
+    jlong p1) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "dequeueOutputBuffer",
+
+"("
+"Landroid/media/MediaCodec$BufferInfo;"
+"J"
+")"
+"I",
+      &g_MediaCodec_dequeueOutputBuffer);
+
+  jint ret =
+    env->CallIntMethod(obj,
+      method_id, p0, p1);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static base::subtle::AtomicWord g_MediaCodec_releaseOutputBuffer = 0;
+static void Java_MediaCodec_releaseOutputBuffer(JNIEnv* env, jobject obj, jint
+    p0,
+    jboolean p1) __attribute__ ((unused));
+static void Java_MediaCodec_releaseOutputBuffer(JNIEnv* env, jobject obj, jint
+    p0,
+    jboolean p1) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "releaseOutputBuffer",
+
+"("
+"I"
+"Z"
+")"
+"V",
+      &g_MediaCodec_releaseOutputBuffer);
+
+  env->CallVoidMethod(obj,
+      method_id, p0, p1);
+  base::android::CheckException(env);
+
+}
+
+static base::subtle::AtomicWord g_MediaCodec_getOutputFormat = 0;
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_getOutputFormat(JNIEnv* env,
+    jobject obj) __attribute__ ((unused));
+static ScopedJavaLocalRef<jobject> Java_MediaCodec_getOutputFormat(JNIEnv* env,
+    jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "getOutputFormat",
+
+"("
+")"
+"Landroid/media/MediaFormat;",
+      &g_MediaCodec_getOutputFormat);
+
+  jobject ret =
+    env->CallObjectMethod(obj,
+      method_id);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
+static base::subtle::AtomicWord g_MediaCodec_getInputBuffers = 0;
+static ScopedJavaLocalRef<jobjectArray> Java_MediaCodec_getInputBuffers(JNIEnv*
+    env, jobject obj) __attribute__ ((unused));
+static ScopedJavaLocalRef<jobjectArray> Java_MediaCodec_getInputBuffers(JNIEnv*
+    env, jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "getInputBuffers",
+
+"("
+")"
+"[Ljava/nio/ByteBuffer;",
+      &g_MediaCodec_getInputBuffers);
+
+  jobjectArray ret =
+    static_cast<jobjectArray>(env->CallObjectMethod(obj,
+      method_id));
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobjectArray>(env, ret);
+}
+
+static base::subtle::AtomicWord g_MediaCodec_getOutputBuffers = 0;
+static ScopedJavaLocalRef<jobjectArray> Java_MediaCodec_getOutputBuffers(JNIEnv*
+    env, jobject obj) __attribute__ ((unused));
+static ScopedJavaLocalRef<jobjectArray> Java_MediaCodec_getOutputBuffers(JNIEnv*
+    env, jobject obj) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "getOutputBuffers",
+
+"("
+")"
+"[Ljava/nio/ByteBuffer;",
+      &g_MediaCodec_getOutputBuffers);
+
+  jobjectArray ret =
+    static_cast<jobjectArray>(env->CallObjectMethod(obj,
+      method_id));
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobjectArray>(env, ret);
+}
+
+static base::subtle::AtomicWord g_MediaCodec_setVideoScalingMode = 0;
+static void Java_MediaCodec_setVideoScalingMode(JNIEnv* env, jobject obj, jint
+    p0) __attribute__ ((unused));
+static void Java_MediaCodec_setVideoScalingMode(JNIEnv* env, jobject obj, jint
+    p0) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_MediaCodec_clazz);
+  jmethodID method_id =
+      base::android::MethodID::LazyGet<
+      base::android::MethodID::TYPE_INSTANCE>(
+      env, g_MediaCodec_clazz,
+      "setVideoScalingMode",
+
+"("
+"I"
+")"
+"V",
+      &g_MediaCodec_setVideoScalingMode);
+
+  env->CallVoidMethod(obj,
+      method_id, p0);
+  base::android::CheckException(env);
+
+}
+
+// Step 3: RegisterNatives.
+
+static bool RegisterNativesImpl(JNIEnv* env) {
+
+  g_MediaCodec_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
+      base::android::GetUnscopedClass(env, kMediaCodecClassPath)));
+  return true;
+}
+}  // namespace JNI_MediaCodec
+
+#endif  // android_media_MediaCodec_JNI