ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "MediaMuxer" |
| 19 | #include <utils/Log.h> |
| 20 | |
| 21 | #include <media/stagefright/MediaMuxer.h> |
| 22 | |
| 23 | #include <media/stagefright/foundation/ABuffer.h> |
| 24 | #include <media/stagefright/foundation/ADebug.h> |
| 25 | #include <media/stagefright/foundation/AMessage.h> |
| 26 | #include <media/stagefright/MediaAdapter.h> |
| 27 | #include <media/stagefright/MediaBuffer.h> |
| 28 | #include <media/stagefright/MediaCodec.h> |
| 29 | #include <media/stagefright/MediaDefs.h> |
| 30 | #include <media/stagefright/MediaErrors.h> |
| 31 | #include <media/stagefright/MediaSource.h> |
| 32 | #include <media/stagefright/MetaData.h> |
| 33 | #include <media/stagefright/MPEG4Writer.h> |
| 34 | #include <media/stagefright/Utils.h> |
| 35 | |
| 36 | namespace android { |
| 37 | |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 38 | MediaMuxer::MediaMuxer(const char *path, OutputFormat format) |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 39 | : mState(UNINITIALIZED) { |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 40 | if (format == OUTPUT_FORMAT_MPEG_4) { |
| 41 | mWriter = new MPEG4Writer(path); |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 42 | mFileMeta = new MetaData; |
| 43 | mState = INITIALIZED; |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 44 | } |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 45 | |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 46 | } |
| 47 | |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 48 | MediaMuxer::MediaMuxer(int fd, OutputFormat format) |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 49 | : mState(UNINITIALIZED) { |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 50 | if (format == OUTPUT_FORMAT_MPEG_4) { |
| 51 | mWriter = new MPEG4Writer(fd); |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 52 | mFileMeta = new MetaData; |
| 53 | mState = INITIALIZED; |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 54 | } |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | MediaMuxer::~MediaMuxer() { |
| 58 | Mutex::Autolock autoLock(mMuxerLock); |
| 59 | |
| 60 | // Clean up all the internal resources. |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 61 | mFileMeta.clear(); |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 62 | mWriter.clear(); |
| 63 | mTrackList.clear(); |
| 64 | } |
| 65 | |
| 66 | ssize_t MediaMuxer::addTrack(const sp<AMessage> &format) { |
| 67 | Mutex::Autolock autoLock(mMuxerLock); |
| 68 | |
| 69 | if (format.get() == NULL) { |
| 70 | ALOGE("addTrack() get a null format"); |
| 71 | return -EINVAL; |
| 72 | } |
| 73 | |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 74 | if (mState != INITIALIZED) { |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 75 | ALOGE("addTrack() must be called after constructor and before start()."); |
| 76 | return INVALID_OPERATION; |
| 77 | } |
| 78 | |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 79 | sp<MetaData> trackMeta = new MetaData; |
| 80 | convertMessageToMetaData(format, trackMeta); |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 81 | |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 82 | sp<MediaAdapter> newTrack = new MediaAdapter(trackMeta); |
James Dong | 5883d53 | 2013-03-12 10:40:20 -0700 | [diff] [blame] | 83 | status_t result = mWriter->addSource(newTrack); |
| 84 | if (result == OK) { |
| 85 | return mTrackList.add(newTrack); |
| 86 | } |
| 87 | return -1; |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 88 | } |
| 89 | |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 90 | status_t MediaMuxer::setOrientationHint(int degrees) { |
| 91 | Mutex::Autolock autoLock(mMuxerLock); |
| 92 | if (mState != INITIALIZED) { |
| 93 | ALOGE("setOrientationHint() must be called before start()."); |
| 94 | return INVALID_OPERATION; |
| 95 | } |
| 96 | |
| 97 | if (degrees != 0 && degrees != 90 && degrees != 180 && degrees != 270) { |
| 98 | ALOGE("setOrientationHint() get invalid degrees"); |
| 99 | return -EINVAL; |
| 100 | } |
| 101 | |
| 102 | mFileMeta->setInt32(kKeyRotation, degrees); |
| 103 | return OK; |
| 104 | } |
| 105 | |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 106 | status_t MediaMuxer::start() { |
| 107 | Mutex::Autolock autoLock(mMuxerLock); |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 108 | if (mState == INITIALIZED) { |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 109 | mState = STARTED; |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 110 | return mWriter->start(mFileMeta.get()); |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 111 | } else { |
| 112 | ALOGE("start() is called in invalid state %d", mState); |
| 113 | return INVALID_OPERATION; |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | status_t MediaMuxer::stop() { |
| 118 | Mutex::Autolock autoLock(mMuxerLock); |
| 119 | |
| 120 | if (mState == STARTED) { |
| 121 | mState = STOPPED; |
| 122 | for (size_t i = 0; i < mTrackList.size(); i++) { |
James Dong | 5883d53 | 2013-03-12 10:40:20 -0700 | [diff] [blame] | 123 | if (mTrackList[i]->stop() != OK) { |
| 124 | return INVALID_OPERATION; |
| 125 | } |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 126 | } |
| 127 | return mWriter->stop(); |
| 128 | } else { |
| 129 | ALOGE("stop() is called in invalid state %d", mState); |
| 130 | return INVALID_OPERATION; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | status_t MediaMuxer::writeSampleData(const sp<ABuffer> &buffer, size_t trackIndex, |
| 135 | int64_t timeUs, uint32_t flags) { |
| 136 | Mutex::Autolock autoLock(mMuxerLock); |
| 137 | |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 138 | if (buffer.get() == NULL) { |
| 139 | ALOGE("WriteSampleData() get an NULL buffer."); |
| 140 | return -EINVAL; |
| 141 | } |
| 142 | |
| 143 | if (mState != STARTED) { |
| 144 | ALOGE("WriteSampleData() is called in invalid state %d", mState); |
| 145 | return INVALID_OPERATION; |
| 146 | } |
| 147 | |
| 148 | if (trackIndex >= mTrackList.size()) { |
| 149 | ALOGE("WriteSampleData() get an invalid index %d", trackIndex); |
| 150 | return -EINVAL; |
| 151 | } |
| 152 | |
| 153 | MediaBuffer* mediaBuffer = new MediaBuffer(buffer); |
| 154 | |
| 155 | mediaBuffer->add_ref(); // Released in MediaAdapter::signalBufferReturned(). |
| 156 | mediaBuffer->set_range(buffer->offset(), buffer->size()); |
| 157 | |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 158 | sp<MetaData> sampleMetaData = mediaBuffer->meta_data(); |
| 159 | sampleMetaData->setInt64(kKeyTime, timeUs); |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 160 | // Just set the kKeyDecodingTime as the presentation time for now. |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 161 | sampleMetaData->setInt64(kKeyDecodingTime, timeUs); |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 162 | |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 163 | if (flags & SAMPLE_FLAG_SYNC) { |
ztenghui | 1128747 | 2013-03-12 15:43:56 -0700 | [diff] [blame] | 164 | sampleMetaData->setInt32(kKeyIsSyncFrame, true); |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 165 | } |
| 166 | |
ztenghui | afde4e5 | 2013-02-22 14:32:59 -0800 | [diff] [blame] | 167 | sp<MediaAdapter> currentTrack = mTrackList[trackIndex]; |
ztenghui | 6269d53 | 2013-02-04 15:59:38 -0800 | [diff] [blame] | 168 | // This pushBuffer will wait until the mediaBuffer is consumed. |
| 169 | return currentTrack->pushBuffer(mediaBuffer); |
| 170 | } |
| 171 | |
| 172 | } // namespace android |