| /* |
| * 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> |
| |
| #include "ARTPWriter.h" |
| |
| namespace android { |
| |
| StagefrightRecorder::StagefrightRecorder() |
| : mWriter(NULL), |
| mOutputFd(-1) { |
| |
| LOGV("Constructor"); |
| reset(); |
| } |
| |
| StagefrightRecorder::~StagefrightRecorder() { |
| LOGV("Destructor"); |
| stop(); |
| } |
| |
| status_t StagefrightRecorder::init() { |
| LOGV("init"); |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setAudioSource(audio_source as) { |
| LOGV("setAudioSource: %d", as); |
| if (as < AUDIO_SOURCE_DEFAULT || |
| as >= AUDIO_SOURCE_LIST_END) { |
| LOGE("Invalid audio source: %d", as); |
| return BAD_VALUE; |
| } |
| |
| if (as == AUDIO_SOURCE_DEFAULT) { |
| mAudioSource = AUDIO_SOURCE_MIC; |
| } else { |
| mAudioSource = as; |
| } |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setVideoSource(video_source vs) { |
| LOGV("setVideoSource: %d", vs); |
| if (vs < VIDEO_SOURCE_DEFAULT || |
| vs >= VIDEO_SOURCE_LIST_END) { |
| LOGE("Invalid video source: %d", vs); |
| return BAD_VALUE; |
| } |
| |
| if (vs == VIDEO_SOURCE_DEFAULT) { |
| mVideoSource = VIDEO_SOURCE_CAMERA; |
| } else { |
| mVideoSource = vs; |
| } |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setOutputFormat(output_format of) { |
| LOGV("setOutputFormat: %d", of); |
| if (of < OUTPUT_FORMAT_DEFAULT || |
| of >= OUTPUT_FORMAT_LIST_END) { |
| LOGE("Invalid output format: %d", of); |
| return BAD_VALUE; |
| } |
| |
| if (of == OUTPUT_FORMAT_DEFAULT) { |
| mOutputFormat = OUTPUT_FORMAT_THREE_GPP; |
| } else { |
| mOutputFormat = of; |
| } |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setAudioEncoder(audio_encoder ae) { |
| LOGV("setAudioEncoder: %d", ae); |
| if (ae < AUDIO_ENCODER_DEFAULT || |
| ae >= AUDIO_ENCODER_LIST_END) { |
| LOGE("Invalid audio encoder: %d", ae); |
| return BAD_VALUE; |
| } |
| |
| if (ae == AUDIO_ENCODER_DEFAULT) { |
| mAudioEncoder = AUDIO_ENCODER_AMR_NB; |
| } else { |
| mAudioEncoder = ae; |
| } |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) { |
| LOGV("setVideoEncoder: %d", ve); |
| if (ve < VIDEO_ENCODER_DEFAULT || |
| ve >= VIDEO_ENCODER_LIST_END) { |
| LOGE("Invalid video encoder: %d", ve); |
| return BAD_VALUE; |
| } |
| |
| if (ve == VIDEO_ENCODER_DEFAULT) { |
| mVideoEncoder = VIDEO_ENCODER_H263; |
| } else { |
| mVideoEncoder = ve; |
| } |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setVideoSize(int width, int height) { |
| LOGV("setVideoSize: %dx%d", width, 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) { |
| LOGV("setVideoFrameRate: %d", 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 BAD_VALUE; |
| } |
| |
| 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 -EBUSY; |
| } |
| |
| 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) { |
| LOGV("setPreviewSurface: %p", surface.get()); |
| mPreviewSurface = surface; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setOutputFile(const char *path) { |
| LOGE("setOutputFile(const char*) must not be called"); |
| // We don't actually support this at all, as the media_server process |
| // no longer has permissions to create files. |
| |
| return -EPERM; |
| } |
| |
| status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t length) { |
| LOGV("setOutputFile: %d, %lld, %lld", fd, offset, length); |
| // These don't make any sense, do they? |
| CHECK_EQ(offset, 0); |
| CHECK_EQ(length, 0); |
| |
| if (fd < 0) { |
| LOGE("Invalid file descriptor: %d", fd); |
| return -EBADF; |
| } |
| |
| 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); |
| return BAD_VALUE; |
| } |
| |
| // 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::setParamMaxFileDurationUs(int64_t timeUs) { |
| LOGV("setParamMaxFileDurationUs: %lld us", timeUs); |
| if (timeUs <= 0) { |
| LOGW("Max file duration is not positive: %lld us. Disabling duration limit.", timeUs); |
| timeUs = 0; // Disable the duration limit for zero or negative values. |
| } else if (timeUs <= 100000LL) { // XXX: 100 milli-seconds |
| LOGE("Max file duration is too short: %lld us", timeUs); |
| return BAD_VALUE; |
| } |
| |
| mMaxFileDurationUs = timeUs; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamMaxFileSizeBytes(int64_t bytes) { |
| LOGV("setParamMaxFileSizeBytes: %lld bytes", bytes); |
| if (bytes <= 1024) { // XXX: 1 kB |
| LOGE("Max file size is too small: %lld bytes", bytes); |
| return BAD_VALUE; |
| } |
| mMaxFileSizeBytes = bytes; |
| 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 seconds < 0, only the first frame is I frame, and rest are all P frames |
| // If seconds == 0, all frames are encoded as I frames. No P frames |
| // If seconds > 0, it is the time spacing (seconds) between 2 neighboring I frames |
| status_t StagefrightRecorder::setParamVideoIFramesInterval(int32_t seconds) { |
| LOGV("setParamVideoIFramesInterval: %d seconds", seconds); |
| mIFramesIntervalSec = seconds; |
| 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::setParamTrackTimeStatus(int64_t timeDurationUs) { |
| LOGV("setParamTrackTimeStatus: %lld", timeDurationUs); |
| if (timeDurationUs < 20000) { // Infeasible if shorter than 20 ms? |
| LOGE("Tracking time duration too short: %lld us", timeDurationUs); |
| return BAD_VALUE; |
| } |
| mTrackEveryTimeDurationUs = timeDurationUs; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamVideoEncoderProfile(int32_t profile) { |
| LOGV("setParamVideoEncoderProfile: %d", profile); |
| |
| // Additional check will be done later when we load the encoder. |
| // For now, we are accepting values defined in OpenMAX IL. |
| mVideoEncoderProfile = profile; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamVideoEncoderLevel(int32_t level) { |
| LOGV("setParamVideoEncoderLevel: %d", level); |
| |
| // Additional check will be done later when we load the encoder. |
| // For now, we are accepting values defined in OpenMAX IL. |
| mVideoEncoderLevel = level; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamMovieTimeScale(int32_t timeScale) { |
| LOGV("setParamMovieTimeScale: %d", timeScale); |
| |
| // The range is set to be the same as the audio's time scale range |
| // since audio's time scale has a wider range. |
| if (timeScale < 600 || timeScale > 96000) { |
| LOGE("Time scale (%d) for movie is out of range [600, 96000]", timeScale); |
| return BAD_VALUE; |
| } |
| mMovieTimeScale = timeScale; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamVideoTimeScale(int32_t timeScale) { |
| LOGV("setParamVideoTimeScale: %d", timeScale); |
| |
| // 60000 is chosen to make sure that each video frame from a 60-fps |
| // video has 1000 ticks. |
| if (timeScale < 600 || timeScale > 60000) { |
| LOGE("Time scale (%d) for video is out of range [600, 60000]", timeScale); |
| return BAD_VALUE; |
| } |
| mVideoTimeScale = timeScale; |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setParamAudioTimeScale(int32_t timeScale) { |
| LOGV("setParamAudioTimeScale: %d", timeScale); |
| |
| // 96000 Hz is the highest sampling rate support in AAC. |
| if (timeScale < 600 || timeScale > 96000) { |
| LOGE("Time scale (%d) for audio is out of range [600, 96000]", timeScale); |
| return BAD_VALUE; |
| } |
| mAudioTimeScale = timeScale; |
| 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 setParamMaxFileDurationUs(1000LL * max_duration_ms); |
| } |
| } else if (key == "max-filesize") { |
| int64_t max_filesize_bytes; |
| if (safe_strtoi64(value.string(), &max_filesize_bytes)) { |
| return setParamMaxFileSizeBytes(max_filesize_bytes); |
| } |
| } else if (key == "interleave-duration-us") { |
| int32_t durationUs; |
| if (safe_strtoi32(value.string(), &durationUs)) { |
| return setParamInterleaveDuration(durationUs); |
| } |
| } else if (key == "param-movie-time-scale") { |
| int32_t timeScale; |
| if (safe_strtoi32(value.string(), &timeScale)) { |
| return setParamMovieTimeScale(timeScale); |
| } |
| } 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-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 == "audio-param-time-scale") { |
| int32_t timeScale; |
| if (safe_strtoi32(value.string(), &timeScale)) { |
| return setParamAudioTimeScale(timeScale); |
| } |
| } 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 seconds; |
| if (safe_strtoi32(value.string(), &seconds)) { |
| return setParamVideoIFramesInterval(seconds); |
| } |
| } else if (key == "video-param-encoder-profile") { |
| int32_t profile; |
| if (safe_strtoi32(value.string(), &profile)) { |
| return setParamVideoEncoderProfile(profile); |
| } |
| } else if (key == "video-param-encoder-level") { |
| int32_t level; |
| if (safe_strtoi32(value.string(), &level)) { |
| return setParamVideoEncoderLevel(level); |
| } |
| } else if (key == "video-param-camera-id") { |
| int32_t cameraId; |
| if (safe_strtoi32(value.string(), &cameraId)) { |
| return setParamVideoCameraId(cameraId); |
| } |
| } else if (key == "video-param-time-scale") { |
| int32_t timeScale; |
| if (safe_strtoi32(value.string(), &timeScale)) { |
| return setParamVideoTimeScale(timeScale); |
| } |
| } 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() { |
| CHECK(mOutputFd >= 0); |
| |
| if (mWriter != NULL) { |
| LOGE("File writer is not avaialble"); |
| 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(); |
| |
| case OUTPUT_FORMAT_RTP_AVP: |
| return startRTPRecording(); |
| |
| default: |
| LOGE("Unsupported output file format: %d", mOutputFormat); |
| 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); |
| if (mAudioTimeScale > 0) { |
| encMeta->setInt32(kKeyTimeScale, mAudioTimeScale); |
| } |
| |
| 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(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 BAD_VALUE; |
| } |
| if (mSampleRate != 8000) { |
| LOGE("Invalid sampling rate %d used for AMRNB recording", |
| mSampleRate); |
| return BAD_VALUE; |
| } |
| } else { // mOutputFormat must be OUTPUT_FORMAT_AMR_WB |
| if (mAudioEncoder != AUDIO_ENCODER_AMR_WB) { |
| LOGE("Invlaid encoder %d used for AMRWB recording", |
| mAudioEncoder); |
| return BAD_VALUE; |
| } |
| if (mSampleRate != 16000) { |
| LOGE("Invalid sample rate %d used for AMRWB recording", |
| mSampleRate); |
| return BAD_VALUE; |
| } |
| } |
| if (mAudioChannels != 1) { |
| LOGE("Invalid number of audio channels %d used for amr recording", |
| mAudioChannels); |
| return BAD_VALUE; |
| } |
| |
| if (mAudioSource >= AUDIO_SOURCE_LIST_END) { |
| LOGE("Invalid audio source: %d", mAudioSource); |
| return BAD_VALUE; |
| } |
| |
| sp<MediaSource> audioEncoder = createAudioSource(); |
| |
| if (audioEncoder == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| |
| 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; |
| } |
| |
| status_t StagefrightRecorder::startRTPRecording() { |
| CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP); |
| |
| if ((mAudioSource != AUDIO_SOURCE_LIST_END |
| && mVideoSource != VIDEO_SOURCE_LIST_END) |
| || (mAudioSource == AUDIO_SOURCE_LIST_END |
| && mVideoSource == VIDEO_SOURCE_LIST_END)) { |
| // Must have exactly one source. |
| return BAD_VALUE; |
| } |
| |
| if (mOutputFd < 0) { |
| return BAD_VALUE; |
| } |
| |
| sp<MediaSource> source; |
| |
| if (mAudioSource != AUDIO_SOURCE_LIST_END) { |
| source = createAudioSource(); |
| } else { |
| status_t err = setupVideoEncoder(&source); |
| if (err != OK) { |
| return err; |
| } |
| } |
| |
| mWriter = new ARTPWriter(dup(mOutputFd)); |
| mWriter->addSource(source); |
| mWriter->setListener(mListener); |
| |
| return mWriter->start(); |
| } |
| |
| 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; |
| } |
| } |
| |
| status_t StagefrightRecorder::setupCameraSource() { |
| clipVideoBitRate(); |
| clipVideoFrameRate(); |
| clipVideoFrameWidth(); |
| clipVideoFrameHeight(); |
| |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| if (mCamera == 0) { |
| mCamera = Camera::connect(mCameraId); |
| if (mCamera == 0) { |
| LOGE("Camera connection could not be established."); |
| return -EBUSY; |
| } |
| mFlags &= ~FLAGS_HOT_CAMERA; |
| mCamera->lock(); |
| } |
| |
| // Set the actual video recording frame size |
| CameraParameters params(mCamera->getParameters()); |
| params.setPreviewSize(mVideoWidth, mVideoHeight); |
| params.setPreviewFrameRate(mFrameRate); |
| String8 s = params.flatten(); |
| if (OK != mCamera->setParameters(s)) { |
| LOGE("Could not change settings." |
| " Someone else is using camera %d?", mCameraId); |
| return -EBUSY; |
| } |
| 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); |
| } |
| |
| // This CHECK is good, since we just passed the lock/unlock |
| // check earlier by calling mCamera->setParameters(). |
| CHECK_EQ(OK, mCamera->setPreviewDisplay(mPreviewSurface)); |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| return OK; |
| } |
| |
| 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::setupVideoEncoder(sp<MediaSource> *source) { |
| source->clear(); |
| |
| status_t err = setupCameraSource(); |
| if (err != OK) return err; |
| |
| 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, colorFormat; |
| CHECK(meta->findInt32(kKeyWidth, &width)); |
| CHECK(meta->findInt32(kKeyHeight, &height)); |
| CHECK(meta->findInt32(kKeyStride, &stride)); |
| CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight)); |
| CHECK(meta->findInt32(kKeyColorFormat, &colorFormat)); |
| |
| enc_meta->setInt32(kKeyWidth, width); |
| enc_meta->setInt32(kKeyHeight, height); |
| enc_meta->setInt32(kKeyIFramesInterval, mIFramesIntervalSec); |
| enc_meta->setInt32(kKeyStride, stride); |
| enc_meta->setInt32(kKeySliceHeight, sliceHeight); |
| enc_meta->setInt32(kKeyColorFormat, colorFormat); |
| if (mVideoTimeScale > 0) { |
| enc_meta->setInt32(kKeyTimeScale, mVideoTimeScale); |
| } |
| if (mVideoEncoderProfile != -1) { |
| enc_meta->setInt32(kKeyVideoProfile, mVideoEncoderProfile); |
| } |
| if (mVideoEncoderLevel != -1) { |
| enc_meta->setInt32(kKeyVideoLevel, mVideoEncoderLevel); |
| } |
| |
| OMXClient client; |
| CHECK_EQ(client.connect(), OK); |
| |
| sp<MediaSource> encoder = OMXCodec::Create( |
| client.interface(), enc_meta, |
| true /* createEncoder */, cameraSource); |
| if (encoder == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| |
| *source = encoder; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::setupAudioEncoder(const sp<MediaWriter>& writer) { |
| 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; |
| } |
| |
| writer->addSource(audioEncoder); |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::startMPEG4Recording() { |
| int32_t totalBitRate = 0; |
| status_t err = OK; |
| sp<MediaWriter> writer = new MPEG4Writer(dup(mOutputFd)); |
| |
| // Add audio source first if it exists |
| if (mAudioSource != AUDIO_SOURCE_LIST_END) { |
| err = setupAudioEncoder(writer); |
| if (err != OK) return err; |
| totalBitRate += mAudioBitRate; |
| } |
| if (mVideoSource == VIDEO_SOURCE_DEFAULT |
| || mVideoSource == VIDEO_SOURCE_CAMERA) { |
| sp<MediaSource> encoder; |
| err = setupVideoEncoder(&encoder); |
| if (err != OK) return err; |
| writer->addSource(encoder); |
| totalBitRate += mVideoBitRate; |
| } |
| |
| if (mInterleaveDurationUs > 0) { |
| reinterpret_cast<MPEG4Writer *>(writer.get())-> |
| setInterleaveDuration(mInterleaveDurationUs); |
| } |
| |
| if (mMaxFileDurationUs != 0) { |
| writer->setMaxFileDuration(mMaxFileDurationUs); |
| } |
| if (mMaxFileSizeBytes != 0) { |
| writer->setMaxFileSize(mMaxFileSizeBytes); |
| } |
| sp<MetaData> meta = new MetaData; |
| meta->setInt64(kKeyTime, systemTime() / 1000); |
| meta->setInt32(kKeyFileType, mOutputFormat); |
| meta->setInt32(kKeyBitRate, totalBitRate); |
| meta->setInt32(kKey64BitFileOffset, mUse64BitFileOffset); |
| if (mMovieTimeScale > 0) { |
| meta->setInt32(kKeyTimeScale, mMovieTimeScale); |
| } |
| if (mTrackEveryTimeDurationUs > 0) { |
| meta->setInt64(kKeyTrackTimeStatus, mTrackEveryTimeDurationUs); |
| } |
| writer->setListener(mListener); |
| mWriter = writer; |
| return mWriter->start(meta.get()); |
| } |
| |
| status_t StagefrightRecorder::pause() { |
| LOGV("pause"); |
| if (mWriter == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| mWriter->pause(); |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::stop() { |
| LOGV("stop"); |
| status_t err = OK; |
| if (mWriter != NULL) { |
| err = mWriter->stop(); |
| mWriter.clear(); |
| } |
| |
| if (mCamera != 0) { |
| LOGV("Disconnect camera"); |
| 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.clear(); |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| mFlags = 0; |
| } |
| |
| if (mOutputFd >= 0) { |
| ::close(mOutputFd); |
| mOutputFd = -1; |
| } |
| |
| return err; |
| } |
| |
| status_t StagefrightRecorder::close() { |
| LOGV("close"); |
| stop(); |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::reset() { |
| LOGV("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; |
| mIFramesIntervalSec = 1; |
| mAudioSourceNode = 0; |
| mUse64BitFileOffset = false; |
| mMovieTimeScale = -1; |
| mAudioTimeScale = -1; |
| mVideoTimeScale = -1; |
| mCameraId = 0; |
| mVideoEncoderProfile = -1; |
| mVideoEncoderLevel = -1; |
| mMaxFileDurationUs = 0; |
| mMaxFileSizeBytes = 0; |
| mTrackEveryTimeDurationUs = 0; |
| mEncoderProfiles = MediaProfiles::getInstance(); |
| |
| mOutputFd = -1; |
| mFlags = 0; |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::getMaxAmplitude(int *max) { |
| LOGV("getMaxAmplitude"); |
| |
| if (max == NULL) { |
| LOGE("Null pointer argument"); |
| return BAD_VALUE; |
| } |
| |
| if (mAudioSourceNode != 0) { |
| *max = mAudioSourceNode->getMaxAmplitude(); |
| } else { |
| *max = 0; |
| } |
| |
| return OK; |
| } |
| |
| status_t StagefrightRecorder::dump( |
| int fd, const Vector<String16>& args) const { |
| LOGV("dump"); |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| if (mWriter != 0) { |
| mWriter->dump(fd, args); |
| } else { |
| snprintf(buffer, SIZE, " No file writer\n"); |
| result.append(buffer); |
| } |
| snprintf(buffer, SIZE, " Recorder: %p\n", this); |
| snprintf(buffer, SIZE, " Output file (fd %d):\n", mOutputFd); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " File format: %d\n", mOutputFormat); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Max file size (bytes): %lld\n", mMaxFileSizeBytes); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Max file duration (us): %lld\n", mMaxFileDurationUs); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " File offset length (bits): %d\n", mUse64BitFileOffset? 64: 32); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Interleave duration (us): %d\n", mInterleaveDurationUs); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Progress notification: %lld us\n", mTrackEveryTimeDurationUs); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Audio\n"); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Source: %d\n", mAudioSource); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Encoder: %d\n", mAudioEncoder); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mAudioBitRate); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Sampling rate (hz): %d\n", mSampleRate); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Number of channels: %d\n", mAudioChannels); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Max amplitude: %d\n", mAudioSourceNode == 0? 0: mAudioSourceNode->getMaxAmplitude()); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Video\n"); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Source: %d\n", mVideoSource); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Camera Id: %d\n", mCameraId); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Camera flags: %d\n", mFlags); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Encoder: %d\n", mVideoEncoder); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Encoder profile: %d\n", mVideoEncoderProfile); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Encoder level: %d\n", mVideoEncoderLevel); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " I frames interval (s): %d\n", mIFramesIntervalSec); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Frame size (pixels): %dx%d\n", mVideoWidth, mVideoHeight); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Frame rate (fps): %d\n", mFrameRate); |
| result.append(buffer); |
| snprintf(buffer, SIZE, " Bit rate (bps): %d\n", mVideoBitRate); |
| result.append(buffer); |
| ::write(fd, result.string(), result.size()); |
| return OK; |
| } |
| } // namespace android |
