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-rw-r--r--include/media/stagefright/MPEG4Writer.h9
-rw-r--r--media/libmediaplayerservice/StagefrightRecorder.cpp14
-rw-r--r--media/libstagefright/MPEG4Writer.cpp110
3 files changed, 128 insertions, 5 deletions
diff --git a/include/media/stagefright/MPEG4Writer.h b/include/media/stagefright/MPEG4Writer.h
index 899b324..e25c334 100644
--- a/include/media/stagefright/MPEG4Writer.h
+++ b/include/media/stagefright/MPEG4Writer.h
@@ -26,6 +26,7 @@
namespace android {
+class AMessage;
class MediaBuffer;
class MediaSource;
class MetaData;
@@ -48,6 +49,7 @@ public:
virtual status_t dump(int fd, const Vector<String16>& args);
void beginBox(const char *fourcc);
+ void beginBox(uint32_t id);
void writeInt8(int8_t x);
void writeInt16(int16_t x);
void writeInt32(int32_t x);
@@ -62,6 +64,7 @@ public:
int32_t getTimeScale() const { return mTimeScale; }
status_t setGeoData(int latitudex10000, int longitudex10000);
+ status_t setCaptureRate(float captureFps);
virtual void setStartTimeOffsetMs(int ms) { mStartTimeOffsetMs = ms; }
virtual int32_t getStartTimeOffsetMs() const { return mStartTimeOffsetMs; }
@@ -102,6 +105,8 @@ private:
List<off64_t> mBoxes;
+ sp<AMessage> mMetaKeys;
+
void setStartTimestampUs(int64_t timeUs);
int64_t getStartTimestampUs(); // Not const
status_t startTracks(MetaData *params);
@@ -195,6 +200,10 @@ private:
void writeGeoDataBox();
void writeLatitude(int degreex10000);
void writeLongitude(int degreex10000);
+ void writeHdlr();
+ void writeKeys();
+ void writeIlst();
+ void writeMetaBox();
void sendSessionSummary();
void release();
status_t reset();
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 2551040..887d4ec 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -1581,10 +1581,11 @@ status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
status_t err = OK;
sp<MediaWriter> writer;
+ sp<MPEG4Writer> mp4writer;
if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
writer = new WebmWriter(mOutputFd);
} else {
- writer = new MPEG4Writer(mOutputFd);
+ writer = mp4writer = new MPEG4Writer(mOutputFd);
}
if (mVideoSource < VIDEO_SOURCE_LIST_END) {
@@ -1617,13 +1618,16 @@ status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
mTotalBitRate += mAudioBitRate;
}
+ if (mCaptureTimeLapse) {
+ // TODO(chz): pass down fps in float from MediaRecorder.java
+ mp4writer->setCaptureRate(1000000.0f / mTimeBetweenTimeLapseFrameCaptureUs);
+ }
+
if (mInterleaveDurationUs > 0) {
- reinterpret_cast<MPEG4Writer *>(writer.get())->
- setInterleaveDuration(mInterleaveDurationUs);
+ mp4writer->setInterleaveDuration(mInterleaveDurationUs);
}
if (mLongitudex10000 > -3600000 && mLatitudex10000 > -3600000) {
- reinterpret_cast<MPEG4Writer *>(writer.get())->
- setGeoData(mLatitudex10000, mLongitudex10000);
+ mp4writer->setGeoData(mLatitudex10000, mLongitudex10000);
}
}
if (mMaxFileDurationUs != 0) {
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index beb6f20..774ac08 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -29,6 +29,7 @@
#include <utils/Log.h>
#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/MPEG4Writer.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MetaData.h>
@@ -362,6 +363,7 @@ MPEG4Writer::MPEG4Writer(int fd)
mLatitudex10000(0),
mLongitudex10000(0),
mAreGeoTagsAvailable(false),
+ mMetaKeys(new AMessage()),
mStartTimeOffsetMs(-1) {
}
@@ -946,6 +948,7 @@ void MPEG4Writer::writeMoovBox(int64_t durationUs) {
if (mAreGeoTagsAvailable) {
writeUdtaBox();
}
+ writeMetaBox();
int32_t id = 1;
for (List<Track *>::iterator it = mTracks.begin();
it != mTracks.end(); ++it, ++id) {
@@ -1115,6 +1118,14 @@ size_t MPEG4Writer::write(
return bytes;
}
+void MPEG4Writer::beginBox(uint32_t id) {
+ mBoxes.push_back(mWriteMoovBoxToMemory?
+ mMoovBoxBufferOffset: mOffset);
+
+ writeInt32(0);
+ writeInt32(id);
+}
+
void MPEG4Writer::beginBox(const char *fourcc) {
CHECK_EQ(strlen(fourcc), 4);
@@ -1242,6 +1253,15 @@ status_t MPEG4Writer::setGeoData(int latitudex10000, int longitudex10000) {
return OK;
}
+status_t MPEG4Writer::setCaptureRate(float captureFps) {
+ if (captureFps <= 0.0f) {
+ return BAD_VALUE;
+ }
+
+ mMetaKeys->setFloat("com.android.capture.fps", captureFps);
+ return OK;
+}
+
void MPEG4Writer::write(const void *data, size_t size) {
write(data, 1, size);
}
@@ -3070,6 +3090,96 @@ void MPEG4Writer::writeUdtaBox() {
endBox();
}
+void MPEG4Writer::writeHdlr() {
+ beginBox("hdlr");
+ writeInt32(0); // Version, Flags
+ writeInt32(0); // Predefined
+ writeFourcc("mdta");
+ writeInt32(0); // Reserved[0]
+ writeInt32(0); // Reserved[1]
+ writeInt32(0); // Reserved[2]
+ writeInt8(0); // Name (empty)
+ endBox();
+}
+
+void MPEG4Writer::writeKeys() {
+ size_t count = mMetaKeys->countEntries();
+
+ beginBox("keys");
+ writeInt32(0); // Version, Flags
+ writeInt32(count); // Entry_count
+ for (size_t i = 0; i < count; i++) {
+ AMessage::Type type;
+ const char *key = mMetaKeys->getEntryNameAt(i, &type);
+ size_t n = strlen(key);
+ writeInt32(n + 8);
+ writeFourcc("mdta");
+ write(key, n); // write without the \0
+ }
+ endBox();
+}
+
+void MPEG4Writer::writeIlst() {
+ size_t count = mMetaKeys->countEntries();
+
+ // meta data key types
+ static const int32_t kKeyType_BE32Float = 23;
+ static const int32_t kKeyType_BE32SignedInteger = 67;
+ static const int32_t kKeyType_BE32UnsignedInteger = 77;
+
+ beginBox("ilst");
+ for (size_t i = 0; i < count; i++) {
+ beginBox(i + 1); // key id (1-based)
+ beginBox("data");
+ AMessage::Type type;
+ const char *key = mMetaKeys->getEntryNameAt(i, &type);
+ switch (type) {
+ case AMessage::kTypeFloat:
+ {
+ float val;
+ CHECK(mMetaKeys->findFloat(key, &val));
+ writeInt32(kKeyType_BE32Float);
+ writeInt32(*reinterpret_cast<int32_t *>(&val));
+ break;
+ }
+
+ case AMessage::kTypeInt32:
+ {
+ int32_t val;
+ CHECK(mMetaKeys->findInt32(key, &val));
+ writeInt32(kKeyType_BE32SignedInteger);
+ writeInt32(val);
+ break;
+ }
+
+ default:
+ {
+ ALOGW("Unsupported key type, writing 0 instead");
+ writeInt32(kKeyType_BE32UnsignedInteger);
+ writeInt32(0);
+ break;
+ }
+ }
+ endBox(); // data
+ endBox(); // key id
+ }
+ endBox(); // ilst
+}
+
+void MPEG4Writer::writeMetaBox() {
+ size_t count = mMetaKeys->countEntries();
+ if (count == 0) {
+ return;
+ }
+
+ beginBox("meta");
+ writeHdlr();
+ writeKeys();
+ writeIlst();
+ endBox();
+}
+
+
/*
* Geodata is stored according to ISO-6709 standard.
*/
generated by cgit v1.1 at 2024-05-13 23:20:33 +0000