WIP: MediaCodec and friends NDK APIs, plain C version
Change-Id: I9ed6b9c5afb026a1b5fe8b652e75635bbcc223df
diff --git a/media/ndk/NdkMediaCodec.cpp b/media/ndk/NdkMediaCodec.cpp
new file mode 100644
index 0000000..5412b9b
--- /dev/null
+++ b/media/ndk/NdkMediaCodec.cpp
@@ -0,0 +1,237 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "NdkMediaCodec"
+
+#include "NdkMediaCodec.h"
+#include "NdkMediaFormatPriv.h"
+
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
+#include <gui/Surface.h>
+
+#include <media/ICrypto.h>
+#include <media/stagefright/foundation/ALooper.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/ABuffer.h>
+
+#include <media/stagefright/MediaCodec.h>
+#include <media/stagefright/MediaErrors.h>
+
+using namespace android;
+
+
+static int translate_error(status_t err) {
+ if (err == OK) {
+ return OK;
+ } else if (err == -EAGAIN) {
+ return AMEDIACODEC_INFO_TRY_AGAIN_LATER;
+ }
+ ALOGE("sf error code: %d", err);
+ return -1000;
+}
+
+
+class CodecHandler: public AHandler {
+public:
+ CodecHandler(sp<android::MediaCodec>);
+ virtual void onMessageReceived(const sp<AMessage> &msg);
+};
+
+CodecHandler::CodecHandler(sp<android::MediaCodec>) {
+
+}
+
+void CodecHandler::onMessageReceived(const sp<AMessage> &msg) {
+ ALOGI("handler got message %d", msg->what());
+}
+
+struct AMediaCodec {
+ sp<android::MediaCodec> mCodec;
+ sp<ALooper> mLooper;
+ sp<CodecHandler> mHandler;
+};
+
+extern "C" {
+
+static AMediaCodec * createAMediaCodec(const char *name, bool name_is_type, bool encoder) {
+ AMediaCodec *mData = new AMediaCodec();
+ mData->mLooper = new ALooper;
+ mData->mLooper->setName("NDK MediaCodec_looper");
+ status_t ret = mData->mLooper->start(
+ false, // runOnCallingThread
+ true, // canCallJava XXX
+ PRIORITY_FOREGROUND);
+ ALOGV("looper start: %d", ret);
+ if (name_is_type) {
+ mData->mCodec = android::MediaCodec::CreateByType(mData->mLooper, name, encoder);
+ } else {
+ mData->mCodec = android::MediaCodec::CreateByComponentName(mData->mLooper, name);
+ }
+ mData->mHandler = new CodecHandler(mData->mCodec);
+ mData->mLooper->registerHandler(mData->mHandler);
+ return mData;
+}
+
+
+AMediaCodec* AMediaCodec_createByCodecName(const char *name) {
+ return createAMediaCodec(name, false, false);
+}
+
+AMediaCodec* AMediaCodec_createByCodecType(const char *mime_type) {
+ return createAMediaCodec(mime_type, true, false);
+}
+
+AMediaCodec* AMediaCodec_createEncoderByName(const char *name) {
+ return createAMediaCodec(name, false, true);
+}
+
+int AMediaCodec_delete(AMediaCodec *mData) {
+ if (mData->mCodec != NULL) {
+ mData->mCodec->release();
+ mData->mCodec.clear();
+ }
+
+ if (mData->mLooper != NULL) {
+ mData->mLooper->unregisterHandler(mData->mHandler->id());
+ mData->mLooper->stop();
+ mData->mLooper.clear();
+ }
+ delete mData;
+ return OK;
+}
+
+int AMediaCodec_configure(AMediaCodec *mData, AMediaFormat *format, ANativeWindow* window) {
+ sp<AMessage> nativeFormat;
+ AMediaFormat_getFormat(format, &nativeFormat);
+ ALOGV("configure with format: %s", nativeFormat->debugString(0).c_str());
+ sp<Surface> surface = NULL;
+ if (window != NULL) {
+ surface = (Surface*) window;
+ }
+
+ return translate_error(mData->mCodec->configure(nativeFormat, surface, NULL, 0));
+}
+
+int AMediaCodec_start(AMediaCodec *mData) {
+ return translate_error(mData->mCodec->start());
+}
+
+int AMediaCodec_stop(AMediaCodec *mData) {
+ return translate_error(mData->mCodec->stop());
+}
+
+int AMediaCodec_flush(AMediaCodec *mData) {
+ return translate_error(mData->mCodec->flush());
+}
+
+ssize_t AMediaCodec_dequeueInputBuffer(AMediaCodec *mData, int64_t timeoutUs) {
+ size_t idx;
+ status_t ret = mData->mCodec->dequeueInputBuffer(&idx, timeoutUs);
+ if (ret == OK) {
+ return idx;
+ }
+ return translate_error(ret);
+}
+
+uint8_t* AMediaCodec_getInputBuffer(AMediaCodec *mData, size_t idx, size_t *out_size) {
+ android::Vector<android::sp<android::ABuffer> > abufs;
+ if (mData->mCodec->getInputBuffers(&abufs) == 0) {
+ size_t n = abufs.size();
+ if (idx >= n) {
+ ALOGE("buffer index %d out of range", idx);
+ return NULL;
+ }
+ if (out_size != NULL) {
+ *out_size = abufs[idx]->capacity();
+ }
+ return abufs[idx]->data();
+ }
+ ALOGE("couldn't get input buffers");
+ return NULL;
+}
+
+uint8_t* AMediaCodec_getOutputBuffer(AMediaCodec *mData, size_t idx, size_t *out_size) {
+ android::Vector<android::sp<android::ABuffer> > abufs;
+ if (mData->mCodec->getOutputBuffers(&abufs) == 0) {
+ size_t n = abufs.size();
+ if (idx >= n) {
+ ALOGE("buffer index %d out of range", idx);
+ return NULL;
+ }
+ if (out_size != NULL) {
+ *out_size = abufs[idx]->capacity();
+ }
+ return abufs[idx]->data();
+ }
+ ALOGE("couldn't get output buffers");
+ return NULL;
+}
+
+int AMediaCodec_queueInputBuffer(AMediaCodec *mData,
+ size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags) {
+
+ AString errorMsg;
+ status_t ret = mData->mCodec->queueInputBuffer(idx, offset, size, time, flags, &errorMsg);
+ return translate_error(ret);
+}
+
+ssize_t AMediaCodec_dequeueOutputBuffer(AMediaCodec *mData,
+ AMediaCodecBufferInfo *info, int64_t timeoutUs) {
+ size_t idx;
+ size_t offset;
+ size_t size;
+ uint32_t flags;
+ int64_t presentationTimeUs;
+ status_t ret = mData->mCodec->dequeueOutputBuffer(&idx, &offset, &size, &presentationTimeUs,
+ &flags, timeoutUs);
+
+ switch (ret) {
+ case OK:
+ info->offset = offset;
+ info->size = size;
+ info->flags = flags;
+ info->presentationTimeUs = presentationTimeUs;
+ return idx;
+ case -EAGAIN:
+ return AMEDIACODEC_INFO_TRY_AGAIN_LATER;
+ case android::INFO_FORMAT_CHANGED:
+ return AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED;
+ case INFO_OUTPUT_BUFFERS_CHANGED:
+ return AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED;
+ default:
+ break;
+ }
+ return translate_error(ret);
+}
+
+AMediaFormat* AMediaCodec_getOutputFormat(AMediaCodec *mData) {
+ sp<AMessage> format;
+ mData->mCodec->getOutputFormat(&format);
+ return AMediaFormat_fromMsg(&format);
+}
+
+int AMediaCodec_releaseOutputBuffer(AMediaCodec *mData, size_t idx, bool render) {
+ if (render) {
+ return translate_error(mData->mCodec->renderOutputBufferAndRelease(idx));
+ } else {
+ return translate_error(mData->mCodec->releaseOutputBuffer(idx));
+ }
+}
+
+} // extern "C"
+