| /* |
| * 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 "NuPlayerDecoder" |
| #include <utils/Log.h> |
| |
| #include "NuPlayerDecoder.h" |
| |
| #include "ESDS.h" |
| |
| #include <media/stagefright/foundation/ABuffer.h> |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <media/stagefright/foundation/AMessage.h> |
| #include <media/stagefright/ACodec.h> |
| #include <media/stagefright/MediaDefs.h> |
| #include <media/stagefright/MetaData.h> |
| #include <media/stagefright/Utils.h> |
| #include <surfaceflinger/Surface.h> |
| #include <gui/ISurfaceTexture.h> |
| |
| namespace android { |
| |
| NuPlayer::Decoder::Decoder( |
| const sp<AMessage> ¬ify, |
| const sp<NativeWindowWrapper> &nativeWindow) |
| : mNotify(notify), |
| mNativeWindow(nativeWindow) { |
| } |
| |
| NuPlayer::Decoder::~Decoder() { |
| } |
| |
| void NuPlayer::Decoder::configure(const sp<MetaData> &meta) { |
| CHECK(mCodec == NULL); |
| |
| const char *mime; |
| CHECK(meta->findCString(kKeyMIMEType, &mime)); |
| |
| sp<AMessage> notifyMsg = |
| new AMessage(kWhatCodecNotify, id()); |
| |
| sp<AMessage> format = makeFormat(meta); |
| |
| if (mNativeWindow != NULL) { |
| format->setObject("native-window", mNativeWindow); |
| } |
| |
| mCodec = new ACodec; |
| looper()->registerHandler(mCodec); |
| |
| mCodec->setNotificationMessage(notifyMsg); |
| mCodec->initiateSetup(format); |
| } |
| |
| void NuPlayer::Decoder::onMessageReceived(const sp<AMessage> &msg) { |
| switch (msg->what()) { |
| case kWhatCodecNotify: |
| { |
| int32_t what; |
| CHECK(msg->findInt32("what", &what)); |
| |
| if (what == ACodec::kWhatFillThisBuffer) { |
| onFillThisBuffer(msg); |
| } else { |
| sp<AMessage> notify = mNotify->dup(); |
| notify->setMessage("codec-request", msg); |
| notify->post(); |
| } |
| break; |
| } |
| |
| default: |
| TRESPASS(); |
| break; |
| } |
| } |
| |
| sp<AMessage> NuPlayer::Decoder::makeFormat(const sp<MetaData> &meta) { |
| CHECK(mCSD.isEmpty()); |
| |
| const char *mime; |
| CHECK(meta->findCString(kKeyMIMEType, &mime)); |
| |
| sp<AMessage> msg = new AMessage; |
| msg->setString("mime", mime); |
| |
| if (!strncasecmp("video/", mime, 6)) { |
| int32_t width, height; |
| CHECK(meta->findInt32(kKeyWidth, &width)); |
| CHECK(meta->findInt32(kKeyHeight, &height)); |
| |
| msg->setInt32("width", width); |
| msg->setInt32("height", height); |
| } else { |
| CHECK(!strncasecmp("audio/", mime, 6)); |
| |
| int32_t numChannels, sampleRate; |
| CHECK(meta->findInt32(kKeyChannelCount, &numChannels)); |
| CHECK(meta->findInt32(kKeySampleRate, &sampleRate)); |
| |
| msg->setInt32("channel-count", numChannels); |
| msg->setInt32("sample-rate", sampleRate); |
| } |
| |
| int32_t maxInputSize; |
| if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) { |
| msg->setInt32("max-input-size", maxInputSize); |
| } |
| |
| mCSDIndex = 0; |
| |
| uint32_t type; |
| const void *data; |
| size_t size; |
| if (meta->findData(kKeyAVCC, &type, &data, &size)) { |
| // Parse the AVCDecoderConfigurationRecord |
| |
| const uint8_t *ptr = (const uint8_t *)data; |
| |
| CHECK(size >= 7); |
| CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1 |
| uint8_t profile = ptr[1]; |
| uint8_t level = ptr[3]; |
| |
| // There is decodable content out there that fails the following |
| // assertion, let's be lenient for now... |
| // CHECK((ptr[4] >> 2) == 0x3f); // reserved |
| |
| size_t lengthSize = 1 + (ptr[4] & 3); |
| |
| // commented out check below as H264_QVGA_500_NO_AUDIO.3gp |
| // violates it... |
| // CHECK((ptr[5] >> 5) == 7); // reserved |
| |
| size_t numSeqParameterSets = ptr[5] & 31; |
| |
| ptr += 6; |
| size -= 6; |
| |
| sp<ABuffer> buffer = new ABuffer(1024); |
| buffer->setRange(0, 0); |
| |
| for (size_t i = 0; i < numSeqParameterSets; ++i) { |
| CHECK(size >= 2); |
| size_t length = U16_AT(ptr); |
| |
| ptr += 2; |
| size -= 2; |
| |
| CHECK(size >= length); |
| |
| memcpy(buffer->data() + buffer->size(), "\x00\x00\x00\x01", 4); |
| memcpy(buffer->data() + buffer->size() + 4, ptr, length); |
| buffer->setRange(0, buffer->size() + 4 + length); |
| |
| ptr += length; |
| size -= length; |
| } |
| |
| buffer->meta()->setInt32("csd", true); |
| mCSD.push(buffer); |
| |
| buffer = new ABuffer(1024); |
| buffer->setRange(0, 0); |
| |
| CHECK(size >= 1); |
| size_t numPictureParameterSets = *ptr; |
| ++ptr; |
| --size; |
| |
| for (size_t i = 0; i < numPictureParameterSets; ++i) { |
| CHECK(size >= 2); |
| size_t length = U16_AT(ptr); |
| |
| ptr += 2; |
| size -= 2; |
| |
| CHECK(size >= length); |
| |
| memcpy(buffer->data() + buffer->size(), "\x00\x00\x00\x01", 4); |
| memcpy(buffer->data() + buffer->size() + 4, ptr, length); |
| buffer->setRange(0, buffer->size() + 4 + length); |
| |
| ptr += length; |
| size -= length; |
| } |
| |
| buffer->meta()->setInt32("csd", true); |
| mCSD.push(buffer); |
| |
| msg->setObject("csd", buffer); |
| } else if (meta->findData(kKeyESDS, &type, &data, &size)) { |
| ESDS esds((const char *)data, size); |
| CHECK_EQ(esds.InitCheck(), (status_t)OK); |
| |
| const void *codec_specific_data; |
| size_t codec_specific_data_size; |
| esds.getCodecSpecificInfo( |
| &codec_specific_data, &codec_specific_data_size); |
| |
| sp<ABuffer> buffer = new ABuffer(codec_specific_data_size); |
| |
| memcpy(buffer->data(), codec_specific_data, |
| codec_specific_data_size); |
| |
| buffer->meta()->setInt32("csd", true); |
| mCSD.push(buffer); |
| } |
| |
| return msg; |
| } |
| |
| void NuPlayer::Decoder::onFillThisBuffer(const sp<AMessage> &msg) { |
| sp<AMessage> reply; |
| CHECK(msg->findMessage("reply", &reply)); |
| |
| #if 0 |
| sp<RefBase> obj; |
| CHECK(msg->findObject("buffer", &obj)); |
| sp<ABuffer> outBuffer = static_cast<ABuffer *>(obj.get()); |
| #else |
| sp<ABuffer> outBuffer; |
| #endif |
| |
| if (mCSDIndex < mCSD.size()) { |
| outBuffer = mCSD.editItemAt(mCSDIndex++); |
| outBuffer->meta()->setInt64("timeUs", 0); |
| |
| reply->setObject("buffer", outBuffer); |
| reply->post(); |
| return; |
| } |
| |
| sp<AMessage> notify = mNotify->dup(); |
| notify->setMessage("codec-request", msg); |
| notify->post(); |
| } |
| |
| void NuPlayer::Decoder::signalFlush() { |
| if (mCodec != NULL) { |
| mCodec->signalFlush(); |
| } |
| } |
| |
| void NuPlayer::Decoder::signalResume() { |
| if (mCodec != NULL) { |
| mCodec->signalResume(); |
| } |
| } |
| |
| void NuPlayer::Decoder::initiateShutdown() { |
| if (mCodec != NULL) { |
| mCodec->initiateShutdown(); |
| } |
| } |
| |
| } // namespace android |
| |