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/*
* Copyright (C) 2010 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 "NuPlayerDecoderBase"
#include <utils/Log.h>
#include <inttypes.h>
#include "NuPlayerDecoderBase.h"
#include "NuPlayerRenderer.h"
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/AMessage.h>
namespace android {
NuPlayer::DecoderBase::DecoderBase(const sp<AMessage> ¬ify)
: mNotify(notify),
mBufferGeneration(0),
mStats(new AMessage),
mRequestInputBuffersPending(false) {
// Every decoder has its own looper because MediaCodec operations
// are blocking, but NuPlayer needs asynchronous operations.
mDecoderLooper = new ALooper;
mDecoderLooper->setName("NPDecoder");
mDecoderLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
}
NuPlayer::DecoderBase::~DecoderBase() {
mDecoderLooper->unregisterHandler(id());
mDecoderLooper->stop();
}
static
status_t PostAndAwaitResponse(
const sp<AMessage> &msg, sp<AMessage> *response) {
status_t err = msg->postAndAwaitResponse(response);
if (err != OK) {
return err;
}
if (!(*response)->findInt32("err", &err)) {
err = OK;
}
return err;
}
void NuPlayer::DecoderBase::configure(const sp<AMessage> &format) {
sp<AMessage> msg = new AMessage(kWhatConfigure, this);
msg->setMessage("format", format);
msg->post();
}
void NuPlayer::DecoderBase::init() {
mDecoderLooper->registerHandler(this);
}
void NuPlayer::DecoderBase::setParameters(const sp<AMessage> ¶ms) {
sp<AMessage> msg = new AMessage(kWhatSetParameters, this);
msg->setMessage("params", params);
msg->post();
}
void NuPlayer::DecoderBase::setRenderer(const sp<Renderer> &renderer) {
sp<AMessage> msg = new AMessage(kWhatSetRenderer, this);
msg->setObject("renderer", renderer);
msg->post();
}
status_t NuPlayer::DecoderBase::getInputBuffers(Vector<sp<ABuffer> > *buffers) const {
sp<AMessage> msg = new AMessage(kWhatGetInputBuffers, this);
msg->setPointer("buffers", buffers);
sp<AMessage> response;
return PostAndAwaitResponse(msg, &response);
}
void NuPlayer::DecoderBase::signalFlush() {
(new AMessage(kWhatFlush, this))->post();
}
void NuPlayer::DecoderBase::signalResume(bool notifyComplete) {
sp<AMessage> msg = new AMessage(kWhatResume, this);
msg->setInt32("notifyComplete", notifyComplete);
msg->post();
}
void NuPlayer::DecoderBase::initiateShutdown() {
(new AMessage(kWhatShutdown, this))->post();
}
void NuPlayer::DecoderBase::onRequestInputBuffers() {
if (mRequestInputBuffersPending) {
return;
}
// doRequestBuffers() return true if we should request more data
if (doRequestBuffers()) {
mRequestInputBuffersPending = true;
sp<AMessage> msg = new AMessage(kWhatRequestInputBuffers, this);
msg->post(10 * 1000ll);
}
}
void NuPlayer::DecoderBase::onMessageReceived(const sp<AMessage> &msg) {
switch (msg->what()) {
case kWhatConfigure:
{
sp<AMessage> format;
CHECK(msg->findMessage("format", &format));
onConfigure(format);
break;
}
case kWhatSetParameters:
{
sp<AMessage> params;
CHECK(msg->findMessage("params", ¶ms));
onSetParameters(params);
break;
}
case kWhatSetRenderer:
{
sp<RefBase> obj;
CHECK(msg->findObject("renderer", &obj));
onSetRenderer(static_cast<Renderer *>(obj.get()));
break;
}
case kWhatGetInputBuffers:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
Vector<sp<ABuffer> > *dstBuffers;
CHECK(msg->findPointer("buffers", (void **)&dstBuffers));
onGetInputBuffers(dstBuffers);
(new AMessage)->postReply(replyID);
break;
}
case kWhatRequestInputBuffers:
{
mRequestInputBuffersPending = false;
onRequestInputBuffers();
break;
}
case kWhatFlush:
{
onFlush();
break;
}
case kWhatResume:
{
int32_t notifyComplete;
CHECK(msg->findInt32("notifyComplete", ¬ifyComplete));
onResume(notifyComplete);
break;
}
case kWhatShutdown:
{
onShutdown(true);
break;
}
default:
TRESPASS();
break;
}
}
void NuPlayer::DecoderBase::handleError(int32_t err)
{
// We cannot immediately release the codec due to buffers still outstanding
// in the renderer. We signal to the player the error so it can shutdown/release the
// decoder after flushing and increment the generation to discard unnecessary messages.
++mBufferGeneration;
sp<AMessage> notify = mNotify->dup();
notify->setInt32("what", kWhatError);
notify->setInt32("err", err);
notify->post();
}
} // namespace android
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