| /* |
| * Copyright (C) 2009 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 "StagefrightRecorder" |
| #include <utils/Log.h> |
| |
| #include "StagefrightRecorder.h" |
| |
| #include <binder/IPCThreadState.h> |
| #include <media/stagefright/AudioSource.h> |
| #include <media/stagefright/AMRWriter.h> |
| #include <media/stagefright/CameraSource.h> |
| #include <media/stagefright/MPEG4Writer.h> |
| #include <media/stagefright/MediaDebug.h> |
| #include <media/stagefright/MediaDefs.h> |
| #include <media/stagefright/MetaData.h> |
| #include <media/stagefright/OMXClient.h> |
| #include <media/stagefright/OMXCodec.h> |
| #include <media/MediaProfiles.h> |
| #include <camera/ICamera.h> |
| #include <camera/Camera.h> |
| #include <camera/CameraParameters.h> |
| #include <surfaceflinger/ISurface.h> |
| #include <utils/Errors.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <ctype.h> |
| |
| namespace android { |
| |
| StagefrightRecorder::StagefrightRecorder() { |
| reset(); |
| } |
| |
| StagefrightRecorder::~StagefrightRecorder() { |
| stop(); |
| |
| if (mOutputFd >= 0) { |
| ::close(mOutputFd); |
| mOutputFd = -1; |
| } |
| } |
| |
| status_t StagefrightRecorder::init() { |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setAudioSource(audio_source as) { |
| mAudioSource = as; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setVideoSource(video_source vs) { |
| mVideoSource = vs; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setOutputFormat(output_format of) { |
| mOutputFormat = of; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) { |
| mAudioEncoder = ae; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) { |
| mVideoEncoder = ve; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setVideoSize(int width, int height) { |
| if (width <= 0 || height <= 0) { |
| LOGE("Invalid video size: %dx%d", width, height); |
| return BAD_VALUE; |
| } |
| |
| // Additional check on the dimension will be performed later |
| mVideoWidth = width; |
| mVideoHeight = height; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) { |
| if (frames_per_second <= 0 || frames_per_second > 30) { |
| LOGE("Invalid video frame rate: %d", frames_per_second); |
| return BAD_VALUE; |
| } |
| |
| // Additional check on the frame rate will be performed later |
| mFrameRate = frames_per_second; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setCamera(const sp<ICamera> &camera) { |
| LOGV("setCamera"); |
| if (camera == 0) { |
| LOGE("camera is NULL"); |
| return UNKNOWN_ERROR; |
| } |
| |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| mFlags &= ~FLAGS_HOT_CAMERA; |
| mCamera = Camera::create(camera); |
| if (mCamera == 0) { |
| LOGE("Unable to connect to camera"); |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| return UNKNOWN_ERROR; |
| } |
| |
| LOGV("Connected to camera"); |
| if (mCamera->previewEnabled()) { |
| LOGV("camera is hot"); |
| mFlags |= FLAGS_HOT_CAMERA; |
| } |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setPreviewSurface(const sp<ISurface> &surface) { |
| mPreviewSurface = surface; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setOutputFile(const char *path) { |
| // We don't actually support this at all, as the media_server process |
| // no longer has permissions to create files. |
| |
| return UNKNOWN_ERROR; |
| } |
| |
| status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) { |
| // These don't make any sense, do they? |
| CHECK_EQ(offset, 0); |
| CHECK_EQ(length, 0); |
| |
| if (mOutputFd >= 0) { |
| ::close(mOutputFd); |
| } |
| mOutputFd = dup(fd); |
| |
| return OK; |
| } |
| |
| // Attempt to parse an int64 literal optionally surrounded by whitespace, |
| // returns true on success, false otherwise. |
| static bool safe_strtoi64(const char *s, int64_t *val) { |
| char *end; |
| *val = strtoll(s, &end, 10); |
| |
| if (end == s || errno == ERANGE) { |
| return false; |
| } |
| |
| // Skip trailing whitespace |
| while (isspace(*end)) { |
| ++end; |
| } |
| |
| // For a successful return, the string must contain nothing but a valid |
| // int64 literal optionally surrounded by whitespace. |
| |
| return *end == '\0'; |
| } |
| |
| // Return true if the value is in [0, 0x007FFFFFFF] |
| static bool safe_strtoi32(const char *s, int32_t *val) { |
| int64_t temp; |
| if (safe_strtoi64(s, &temp)) { |
| if (temp >= 0 && temp <= 0x007FFFFFFF) { |
| *val = static_cast<int32_t>(temp); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // Trim both leading and trailing whitespace from the given string. |
| static void TrimString(String8 *s) { |
| size_t num_bytes = s->bytes(); |
| const char *data = s->string(); |
| |
| size_t leading_space = 0; |
| while (leading_space < num_bytes && isspace(data[leading_space])) { |
| ++leading_space; |
| } |
| |
| size_t i = num_bytes; |
| while (i > leading_space && isspace(data[i - 1])) { |
| --i; |
| } |
| |
| s->setTo(String8(&data[leading_space], i - leading_space)); |
| } |
| |
| status_t StagefrightRecorder::setParamAudioSamplingRate(int32_t sampleRate) { |
| LOGV("setParamAudioSamplingRate: %d", sampleRate); |
| if (sampleRate <= 0) { |
| LOGE("Invalid audio sampling rate: %d", sampleRate); |
| return BAD_VALUE; |
| } |
| |
| // Additional check on the sample rate will be performed later. |
| mSampleRate = sampleRate; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamAudioNumberOfChannels(int32_t channels) { |
| LOGV("setParamAudioNumberOfChannels: %d", channels); |
| if (channels <= 0 || channels >= 3) { |
| LOGE("Invalid number of audio channels: %d", channels); |
| } |
| |
| // Additional check on the number of channels will be performed later. |
| mAudioChannels = channels; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamAudioEncodingBitRate(int32_t bitRate) { |
| LOGV("setParamAudioEncodingBitRate: %d", bitRate); |
| if (bitRate <= 0) { |
| LOGE("Invalid audio encoding bit rate: %d", bitRate); |
| return BAD_VALUE; |
| } |
| |
| // The target bit rate may not be exactly the same as the requested. |
| // It depends on many factors, such as rate control, and the bit rate |
| // range that a specific encoder supports. The mismatch between the |
| // the target and requested bit rate will NOT be treated as an error. |
| mAudioBitRate = bitRate; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) { |
| LOGV("setParamVideoEncodingBitRate: %d", bitRate); |
| if (bitRate <= 0) { |
| LOGE("Invalid video encoding bit rate: %d", bitRate); |
| return BAD_VALUE; |
| } |
| |
| // The target bit rate may not be exactly the same as the requested. |
| // It depends on many factors, such as rate control, and the bit rate |
| // range that a specific encoder supports. The mismatch between the |
| // the target and requested bit rate will NOT be treated as an error. |
| mVideoBitRate = bitRate; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamMaxDurationOrFileSize(int64_t limit, |
| bool limit_is_duration) { |
| LOGV("setParamMaxDurationOrFileSize: limit (%lld) for %s", |
| limit, limit_is_duration?"duration":"size"); |
| if (limit_is_duration) { // limit is in ms |
| if (limit <= 1000) { // XXX: 1 second |
| LOGE("Max file duration is too short: %lld us", limit); |
| } |
| mMaxFileDurationUs = limit * 1000LL; |
| } else { |
| if (limit <= 1024) { // XXX: 1 kB |
| LOGE("Max file size is too small: %lld bytes", limit); |
| } |
| mMaxFileSizeBytes = limit; |
| } |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamInterleaveDuration(int32_t durationUs) { |
| LOGV("setParamInterleaveDuration: %d", durationUs); |
| if (durationUs <= 500000) { // 500 ms |
| // If interleave duration is too small, it is very inefficient to do |
| // interleaving since the metadata overhead will count for a significant |
| // portion of the saved contents |
| LOGE("Audio/video interleave duration is too small: %d us", durationUs); |
| return BAD_VALUE; |
| } else if (durationUs >= 10000000) { // 10 seconds |
| // If interleaving duration is too large, it can cause the recording |
| // session to use too much memory since we have to save the output |
| // data before we write them out |
| LOGE("Audio/video interleave duration is too large: %d us", durationUs); |
| return BAD_VALUE; |
| } |
| mInterleaveDurationUs = durationUs; |
| return OK; |
| } |
| |
| // If interval < 0, only the first frame is I frame, and rest are all P frames |
| // If interval == 0, all frames are encoded as I frames. No P frames |
| // If interval > 0, it is the time spacing between 2 neighboring I frames |
| status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t interval) { |
| LOGV("setParamVideoIFramesInterval: %d seconds", interval); |
| mIFramesInterval = interval; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParam64BitFileOffset(bool use64Bit) { |
| LOGV("setParam64BitFileOffset: %s", |
| use64Bit? "use 64 bit file offset": "use 32 bit file offset"); |
| mUse64BitFileOffset = use64Bit; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamVideoCameraId(int32_t cameraId) { |
| LOGV("setParamVideoCameraId: %d", cameraId); |
| if (cameraId < 0) { |
| return BAD_VALUE; |
| } |
| mCameraId = cameraId; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamTrackFrameStatus(int32_t nFrames) { |
| LOGV("setParamTrackFrameStatus: %d", nFrames); |
| if (nFrames <= 0) { |
| return BAD_VALUE; |
| } |
| mTrackEveryNumberOfFrames = nFrames; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamTrackTimeStatus(int64_t timeDurationUs) { |
| LOGV("setParamTrackTimeStatus: %lld", timeDurationUs); |
| if (timeDurationUs < 20000) { // Infeasible if shorter than 20 ms? |
| return BAD_VALUE; |
| } |
| mTrackEveryTimeDurationUs = timeDurationUs; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParameter( |
| const String8 &key, const String8 &value) { |
| LOGV("setParameter: key (%s) => value (%s)", key.string(), value.string()); |
| if (key == "max-duration") { |
| int64_t max_duration_ms; |
| if (safe_strtoi64(value.string(), &max_duration_ms)) { |
| return setParamMaxDurationOrFileSize( |
| max_duration_ms, true /* limit_is_duration */); |
| } |
| } else if (key == "max-filesize") { |
| int64_t max_filesize_bytes; |
| if (safe_strtoi64(value.string(), &max_filesize_bytes)) { |
| return setParamMaxDurationOrFileSize( |
| max_filesize_bytes, false /* limit is filesize */); |
| } |
| } else if (key == "interleave-duration-us") { |
| int32_t durationUs; |
| if (safe_strtoi32(value.string(), &durationUs)) { |
| return setParamInterleaveDuration(durationUs); |
| } |
| } else if (key == "param-use-64bit-offset") { |
| int32_t use64BitOffset; |
| if (safe_strtoi32(value.string(), &use64BitOffset)) { |
| return setParam64BitFileOffset(use64BitOffset != 0); |
| } |
| } else if (key == "param-track-frame-status") { |
| int32_t nFrames; |
| if (safe_strtoi32(value.string(), &nFrames)) { |
| return setParamTrackFrameStatus(nFrames); |
| } |
| } else if (key == "param-track-time-status") { |
| int64_t timeDurationUs; |
| if (safe_strtoi64(value.string(), &timeDurationUs)) { |
| return setParamTrackTimeStatus(timeDurationUs); |
| } |
| } else if (key == "audio-param-sampling-rate") { |
| int32_t sampling_rate; |
| if (safe_strtoi32(value.string(), &sampling_rate)) { |
| return setParamAudioSamplingRate(sampling_rate); |
| } |
| } else if (key == "audio-param-number-of-channels") { |
| int32_t number_of_channels; |
| if (safe_strtoi32(value.string(), &number_of_channels)) { |
| return setParamAudioNumberOfChannels(number_of_channels); |
| } |
| } else if (key == "audio-param-encoding-bitrate") { |
| int32_t audio_bitrate; |
| if (safe_strtoi32(value.string(), &audio_bitrate)) { |
| return setParamAudioEncodingBitRate(audio_bitrate); |
| } |
| } else if (key == "video-param-encoding-bitrate") { |
| int32_t video_bitrate; |
| if (safe_strtoi32(value.string(), &video_bitrate)) { |
| return setParamVideoEncodingBitRate(video_bitrate); |
| } |
| } else if (key == "video-param-i-frames-interval") { |
| int32_t interval; |
| if (safe_strtoi32(value.string(), &interval)) { |
| return setParamVideoIFramesInterval(interval); |
| } |
| } else if (key == "video-param-camera-id") { |
| int32_t cameraId; |
| if (safe_strtoi32(value.string(), &cameraId)) { |
| return setParamVideoCameraId(cameraId); |
| } |
| } else { |
| LOGE("setParameter: failed to find key %s", key.string()); |
| } |
| return BAD_VALUE; |
| } |
| |
| status_t StagefrightRecorder::setParameters(const String8 ¶ms) { |
| LOGV("setParameters: %s", params.string()); |
| const char *cparams = params.string(); |
| const char *key_start = cparams; |
| for (;;) { |
| const char *equal_pos = strchr(key_start, '='); |
| if (equal_pos == NULL) { |
| LOGE("Parameters %s miss a value", cparams); |
| return BAD_VALUE; |
| } |
| String8 key(key_start, equal_pos - key_start); |
| TrimString(&key); |
| if (key.length() == 0) { |
| LOGE("Parameters %s contains an empty key", cparams); |
| return BAD_VALUE; |
| } |
| const char *value_start = equal_pos + 1; |
| const char *semicolon_pos = strchr(value_start, ';'); |
| String8 value; |
| if (semicolon_pos == NULL) { |
| value.setTo(value_start); |
| } else { |
| value.setTo(value_start, semicolon_pos - value_start); |
| } |
| if (setParameter(key, value) != OK) { |
| return BAD_VALUE; |
| } |
| if (semicolon_pos == NULL) { |
| break; // Reaches the end |
| } |
| key_start = semicolon_pos + 1; |
| } |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setListener(const sp<IMediaRecorderClient> &listener) { |
| mListener = listener; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::prepare() { |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::start() { |
| if (mWriter != NULL) { |
| return UNKNOWN_ERROR; |
| } |
| |
| switch (mOutputFormat) { |
| case OUTPUT_FORMAT_DEFAULT: |
| case OUTPUT_FORMAT_THREE_GPP: |
| case OUTPUT_FORMAT_MPEG_4: |
| return startMPEG4Recording(); |
| |
| case OUTPUT_FORMAT_AMR_NB: |
| case OUTPUT_FORMAT_AMR_WB: |
| return startAMRRecording(); |
| |
| case OUTPUT_FORMAT_AAC_ADIF: |
| case OUTPUT_FORMAT_AAC_ADTS: |
| return startAACRecording(); |
| |
| default: |
| return UNKNOWN_ERROR; |
| } |
| } |
| |
| sp<MediaSource> StagefrightRecorder::createAudioSource() { |
| sp<AudioSource> audioSource = |
| new AudioSource( |
| mAudioSource, |
| mSampleRate, |
| mAudioChannels); |
| |
| status_t err = audioSource->initCheck(); |
| |
| if (err != OK) { |
| LOGE("audio source is not initialized"); |
| return NULL; |
| } |
| |
| sp<MetaData> encMeta = new MetaData; |
| const char *mime; |
| switch (mAudioEncoder) { |
| case AUDIO_ENCODER_AMR_NB: |
| case AUDIO_ENCODER_DEFAULT: |
| mime = MEDIA_MIMETYPE_AUDIO_AMR_NB; |
| break; |
| case AUDIO_ENCODER_AMR_WB: |
| mime = MEDIA_MIMETYPE_AUDIO_AMR_WB; |
| break; |
| case AUDIO_ENCODER_AAC: |
| mime = MEDIA_MIMETYPE_AUDIO_AAC; |
| break; |
| default: |
| LOGE("Unknown audio encoder: %d", mAudioEncoder); |
| return NULL; |
| } |
| encMeta->setCString(kKeyMIMEType, mime); |
| |
| int32_t maxInputSize; |
| CHECK(audioSource->getFormat()->findInt32( |
| kKeyMaxInputSize, &maxInputSize)); |
| |
| encMeta->setInt32(kKeyMaxInputSize, maxInputSize); |
| encMeta->setInt32(kKeyChannelCount, mAudioChannels); |
| encMeta->setInt32(kKeySampleRate, mSampleRate); |
| encMeta->setInt32(kKeyBitRate, mAudioBitRate); |
| |
| OMXClient client; |
| CHECK_EQ(client.connect(), OK); |
| |
| sp<MediaSource> audioEncoder = |
| OMXCodec::Create(client.interface(), encMeta, |
| true /* createEncoder */, audioSource); |
| mAudioSourceNode = audioSource; |
| |
| return audioEncoder; |
| } |
| |
| status_t StagefrightRecorder::startAACRecording() { |
| CHECK(mOutputFormat == OUTPUT_FORMAT_AAC_ADIF || |
| mOutputFormat == OUTPUT_FORMAT_AAC_ADTS); |
| |
| CHECK(mAudioEncoder == AUDIO_ENCODER_AAC); |
| CHECK(mAudioSource != AUDIO_SOURCE_LIST_END); |
| CHECK(mOutputFd >= 0); |
| |
| CHECK(0 == "AACWriter is not implemented yet"); |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::startAMRRecording() { |
| CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB || |
| mOutputFormat == OUTPUT_FORMAT_AMR_WB); |
| |
| if (mOutputFormat == OUTPUT_FORMAT_AMR_NB) { |
| if (mAudioEncoder != AUDIO_ENCODER_DEFAULT && |
| mAudioEncoder != AUDIO_ENCODER_AMR_NB) { |
| LOGE("Invalid encoder %d used for AMRNB recording", |
| mAudioEncoder); |
| return UNKNOWN_ERROR; |
| } |
| if (mSampleRate != 8000) { |
| LOGE("Invalid sampling rate %d used for AMRNB recording", |
| mSampleRate); |
| return UNKNOWN_ERROR; |
| } |
| } else { // mOutputFormat must be OUTPUT_FORMAT_AMR_WB |
| if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) { |
| LOGE("Invlaid encoder %d used for AMRWB recording", |
| mAudioEncoder); |
| return UNKNOWN_ERROR; |
| } |
| if (mSampleRate != 16000) { |
| LOGE("Invalid sample rate %d used for AMRWB recording", |
| mSampleRate); |
| return UNKNOWN_ERROR; |
| } |
| } |
| if (mAudioChannels != 1) { |
| LOGE("Invalid number of audio channels %d used for amr recording", |
| mAudioChannels); |
| return UNKNOWN_ERROR; |
| } |
| |
| if (mAudioSource >= AUDIO_SOURCE_LIST_END) { |
| LOGE("Invalid audio source: %d", mAudioSource); |
| return UNKNOWN_ERROR; |
| } |
| |
| sp<MediaSource> audioEncoder = createAudioSource(); |
| |
| if (audioEncoder == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| |
| CHECK(mOutputFd >= 0); |
| mWriter = new AMRWriter(dup(mOutputFd)); |
| mWriter->addSource(audioEncoder); |
| |
| if (mMaxFileDurationUs != 0) { |
| mWriter->setMaxFileDuration(mMaxFileDurationUs); |
| } |
| if (mMaxFileSizeBytes != 0) { |
| mWriter->setMaxFileSize(mMaxFileSizeBytes); |
| } |
| mWriter->setListener(mListener); |
| mWriter->start(); |
| |
| return OK; |
| } |
| |
| void StagefrightRecorder::clipVideoFrameRate() { |
| LOGV("clipVideoFrameRate: encoder %d", mVideoEncoder); |
| int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.fps.min", mVideoEncoder); |
| int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.fps.max", mVideoEncoder); |
| if (mFrameRate < minFrameRate) { |
| LOGW("Intended video encoding frame rate (%d fps) is too small" |
| " and will be set to (%d fps)", mFrameRate, minFrameRate); |
| mFrameRate = minFrameRate; |
| } else if (mFrameRate > maxFrameRate) { |
| LOGW("Intended video encoding frame rate (%d fps) is too large" |
| " and will be set to (%d fps)", mFrameRate, maxFrameRate); |
| mFrameRate = maxFrameRate; |
| } |
| } |
| |
| void StagefrightRecorder::clipVideoBitRate() { |
| LOGV("clipVideoBitRate: encoder %d", mVideoEncoder); |
| int minBitRate = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.bps.min", mVideoEncoder); |
| int maxBitRate = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.bps.max", mVideoEncoder); |
| if (mVideoBitRate < minBitRate) { |
| LOGW("Intended video encoding bit rate (%d bps) is too small" |
| " and will be set to (%d bps)", mVideoBitRate, minBitRate); |
| mVideoBitRate = minBitRate; |
| } else if (mVideoBitRate > maxBitRate) { |
| LOGW("Intended video encoding bit rate (%d bps) is too large" |
| " and will be set to (%d bps)", mVideoBitRate, maxBitRate); |
| mVideoBitRate = maxBitRate; |
| } |
| } |
| |
| void StagefrightRecorder::clipVideoFrameWidth() { |
| LOGV("clipVideoFrameWidth: encoder %d", mVideoEncoder); |
| int minFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.width.min", mVideoEncoder); |
| int maxFrameWidth = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.width.max", mVideoEncoder); |
| if (mVideoWidth < minFrameWidth) { |
| LOGW("Intended video encoding frame width (%d) is too small" |
| " and will be set to (%d)", mVideoWidth, minFrameWidth); |
| mVideoWidth = minFrameWidth; |
| } else if (mVideoWidth > maxFrameWidth) { |
| LOGW("Intended video encoding frame width (%d) is too large" |
| " and will be set to (%d)", mVideoWidth, maxFrameWidth); |
| mVideoWidth = maxFrameWidth; |
| } |
| } |
| |
| void StagefrightRecorder::clipVideoFrameHeight() { |
| LOGV("clipVideoFrameHeight: encoder %d", mVideoEncoder); |
| int minFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.height.min", mVideoEncoder); |
| int maxFrameHeight = mEncoderProfiles->getVideoEncoderParamByName( |
| "enc.vid.height.max", mVideoEncoder); |
| if (mVideoHeight < minFrameHeight) { |
| LOGW("Intended video encoding frame height (%d) is too small" |
| " and will be set to (%d)", mVideoHeight, minFrameHeight); |
| mVideoHeight = minFrameHeight; |
| } else if (mVideoHeight > maxFrameHeight) { |
| LOGW("Intended video encoding frame height (%d) is too large" |
| " and will be set to (%d)", mVideoHeight, maxFrameHeight); |
| mVideoHeight = maxFrameHeight; |
| } |
| } |
| |
| status_t StagefrightRecorder::startMPEG4Recording() { |
| mWriter = new MPEG4Writer(dup(mOutputFd)); |
| int32_t totalBitRate = 0; |
| |
| // Add audio source first if it exists |
| if (mAudioSource != AUDIO_SOURCE_LIST_END) { |
| sp<MediaSource> audioEncoder; |
| switch(mAudioEncoder) { |
| case AUDIO_ENCODER_AMR_NB: |
| case AUDIO_ENCODER_AMR_WB: |
| case AUDIO_ENCODER_AAC: |
| audioEncoder = createAudioSource(); |
| break; |
| default: |
| LOGE("Unsupported audio encoder: %d", mAudioEncoder); |
| return UNKNOWN_ERROR; |
| } |
| |
| if (audioEncoder == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| totalBitRate += mAudioBitRate; |
| mWriter->addSource(audioEncoder); |
| } |
| if (mVideoSource == VIDEO_SOURCE_DEFAULT |
| || mVideoSource == VIDEO_SOURCE_CAMERA) { |
| |
| clipVideoBitRate(); |
| clipVideoFrameRate(); |
| clipVideoFrameWidth(); |
| clipVideoFrameHeight(); |
| |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| if (mCamera == 0) { |
| mCamera = Camera::connect(mCameraId); |
| mCamera->lock(); |
| } |
| |
| // Set the actual video recording frame size |
| CameraParameters params(mCamera->getParameters()); |
| params.setPreviewSize(mVideoWidth, mVideoHeight); |
| params.setPreviewFrameRate(mFrameRate); |
| String8 s = params.flatten(); |
| CHECK_EQ(OK, mCamera->setParameters(s)); |
| CameraParameters newCameraParams(mCamera->getParameters()); |
| |
| // Check on video frame size |
| int frameWidth = 0, frameHeight = 0; |
| newCameraParams.getPreviewSize(&frameWidth, &frameHeight); |
| if (frameWidth < 0 || frameWidth != mVideoWidth || |
| frameHeight < 0 || frameHeight != mVideoHeight) { |
| LOGE("Failed to set the video frame size to %dx%d", |
| mVideoWidth, mVideoHeight); |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Check on video frame rate |
| int frameRate = newCameraParams.getPreviewFrameRate(); |
| if (frameRate < 0 || (frameRate - mFrameRate) != 0) { |
| LOGE("Failed to set frame rate to %d fps. The actual " |
| "frame rate is %d", mFrameRate, frameRate); |
| } |
| |
| CHECK_EQ(OK, mCamera->setPreviewDisplay(mPreviewSurface)); |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| |
| sp<CameraSource> cameraSource = |
| CameraSource::CreateFromCamera(mCamera); |
| |
| CHECK(cameraSource != NULL); |
| |
| sp<MetaData> enc_meta = new MetaData; |
| enc_meta->setInt32(kKeyBitRate, mVideoBitRate); |
| enc_meta->setInt32(kKeySampleRate, mFrameRate); |
| |
| switch (mVideoEncoder) { |
| case VIDEO_ENCODER_H263: |
| enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263); |
| break; |
| |
| case VIDEO_ENCODER_MPEG_4_SP: |
| enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4); |
| break; |
| |
| case VIDEO_ENCODER_H264: |
| enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC); |
| break; |
| |
| default: |
| CHECK(!"Should not be here, unsupported video encoding."); |
| break; |
| } |
| |
| sp<MetaData> meta = cameraSource->getFormat(); |
| |
| int32_t width, height, stride, sliceHeight; |
| CHECK(meta->findInt32(kKeyWidth, &width)); |
| CHECK(meta->findInt32(kKeyHeight, &height)); |
| CHECK(meta->findInt32(kKeyStride, &stride)); |
| CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight)); |
| |
| enc_meta->setInt32(kKeyWidth, width); |
| enc_meta->setInt32(kKeyHeight, height); |
| enc_meta->setInt32(kKeyIFramesInterval, mIFramesInterval); |
| enc_meta->setInt32(kKeyStride, stride); |
| enc_meta->setInt32(kKeySliceHeight, sliceHeight); |
| |
| OMXClient client; |
| CHECK_EQ(client.connect(), OK); |
| |
| sp<MediaSource> encoder = |
| OMXCodec::Create( |
| client.interface(), enc_meta, |
| true /* createEncoder */, cameraSource); |
| |
| CHECK(mOutputFd >= 0); |
| totalBitRate += mVideoBitRate; |
| mWriter->addSource(encoder); |
| } |
| |
| { |
| // MPEGWriter specific handling |
| MPEG4Writer *writer = ((MPEG4Writer *) mWriter.get()); |
| writer->setInterleaveDuration(mInterleaveDurationUs); |
| } |
| |
| if (mMaxFileDurationUs != 0) { |
| mWriter->setMaxFileDuration(mMaxFileDurationUs); |
| } |
| if (mMaxFileSizeBytes != 0) { |
| mWriter->setMaxFileSize(mMaxFileSizeBytes); |
| } |
| mWriter->setListener(mListener); |
| sp<MetaData> meta = new MetaData; |
| meta->setInt64(kKeyTime, systemTime() / 1000); |
| meta->setInt32(kKeyFileType, mOutputFormat); |
| meta->setInt32(kKeyBitRate, totalBitRate); |
| meta->setInt32(kKey64BitFileOffset, mUse64BitFileOffset); |
| if (mTrackEveryNumberOfFrames > 0) { |
| meta->setInt32(kKeyTrackFrameStatus, mTrackEveryNumberOfFrames); |
| } |
| if (mTrackEveryTimeDurationUs > 0) { |
| meta->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs); |
| } |
| mWriter->start(meta.get()); |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::pause() { |
| if (mWriter == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| mWriter->pause(); |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::stop() { |
| if (mWriter == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| |
| mWriter->stop(); |
| mWriter = NULL; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::close() { |
| stop(); |
| |
| if (mCamera != 0) { |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| if ((mFlags & FLAGS_HOT_CAMERA) == 0) { |
| LOGV("Camera was cold when we started, stopping preview"); |
| mCamera->stopPreview(); |
| } |
| mCamera->unlock(); |
| mCamera = NULL; |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| mFlags = 0; |
| } |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::reset() { |
| stop(); |
| |
| // No audio or video source by default |
| mAudioSource = AUDIO_SOURCE_LIST_END; |
| mVideoSource = VIDEO_SOURCE_LIST_END; |
| |
| // Default parameters |
| mOutputFormat = OUTPUT_FORMAT_THREE_GPP; |
| mAudioEncoder = AUDIO_ENCODER_AMR_NB; |
| mVideoEncoder = VIDEO_ENCODER_H263; |
| mVideoWidth = 176; |
| mVideoHeight = 144; |
| mFrameRate = 20; |
| mVideoBitRate = 192000; |
| mSampleRate = 8000; |
| mAudioChannels = 1; |
| mAudioBitRate = 12200; |
| mInterleaveDurationUs = 0; |
| mIFramesInterval = 1; |
| mAudioSourceNode = 0; |
| mUse64BitFileOffset = false; |
| mCameraId = 0; |
| mTrackEveryNumberOfFrames = 0; |
| mTrackEveryTimeDurationUs = 0; |
| mEncoderProfiles = MediaProfiles::getInstance(); |
| |
| mOutputFd = -1; |
| mFlags = 0; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::getMaxAmplitude(int *max) { |
| if (mAudioSourceNode != 0) { |
| *max = mAudioSourceNode->getMaxAmplitude(); |
| } else { |
| *max = 0; |
| } |
| |
| return OK; |
| } |
| |
| } // namespace android |