void ASFFileProbeInfo::FileParse() {
uint64_t offset = 0;
uint64_t size = mFileDataReader->getFileSize();
while (size >= OBJECT_HEAD_LEN) {
uint8_t buffer[OBJECT_HEAD_LEN];
mFileDataReader->readAt(offset, buffer, sizeof(buffer));
uint64_t objsize = U64LE_AT(buffer + OBJECT_ID_LEN);
// printf("%x %x %x %x\n", buffer[0], buffer[1], buffer[2], buffer[3]);
if (!AsfGuidCmp(buffer, ASF_Header_Object)) {
parseHeaderObject(offset + OBJECT_HEAD_LEN, size - OBJECT_HEAD_LEN);
} else if (!AsfGuidCmp(buffer, ASF_Data_Object)) {
parseDataObject(offset + OBJECT_HEAD_LEN, size - OBJECT_HEAD_LEN);
} else if (!AsfGuidCmp(buffer, ASF_Simple_Index_Object)) {
parseSimpleIndexObject(offset + OBJECT_HEAD_LEN, size - OBJECT_HEAD_LEN);
}
offset += objsize;
size -= objsize;
}
printf("Parse ASF file\n");
}
ssize_t MyVorbisExtractor::readPage(off64_t offset, Page *page) {
uint8_t header[27];
ssize_t n;
if ((n = mSource->readAt(offset, header, sizeof(header)))
< (ssize_t)sizeof(header)) {
if (n < 0) {
return n;
} else if (n == 0) {
return ERROR_END_OF_STREAM;
} else {
return ERROR_IO;
}
}
if (memcmp(header, "OggS", 4)) {
return ERROR_MALFORMED;
}
if (header[4] != 0) {
// Wrong version.
return ERROR_UNSUPPORTED;
}
page->mFlags = header[5];
if (page->mFlags & ~7) {
// Only bits 0-2 are defined in version 0.
return ERROR_MALFORMED;
}
page->mGranulePosition = U64LE_AT(&header[6]);
page->mSerialNo = U32LE_AT(&header[14]);
page->mPageNo = U32LE_AT(&header[18]);
page->mNumSegments = header[26];
if (mSource->readAt(
offset + sizeof(header), page->mLace, page->mNumSegments)
< (ssize_t)page->mNumSegments) {
return ERROR_IO;
}
size_t totalSize = 0;;
for (size_t i = 0; i < page->mNumSegments; ++i) {
totalSize += page->mLace[i];
}
return sizeof(header) + page->mNumSegments + totalSize;
}
void ASFFileProbeInfo::parseHeaderObject(uint64_t offset, uint64_t size) {
uint64_t pos = 0;
uint32_t objectnum;
mFileDataReader->readAt(offset + pos, &objectnum, sizeof(objectnum));
printf("object number :%d\n", objectnum);
pos += 6;
for (uint32_t i = 0; i < objectnum; i++) {
uint8_t buffer[OBJECT_HEAD_LEN];
mFileDataReader->readAt(offset + pos, buffer, sizeof(buffer));
uint64_t objsize = U64LE_AT(buffer + OBJECT_ID_LEN);
printf("%x %x %x %x\n", buffer[0], buffer[1], buffer[2], buffer[3]);
pos += objsize;
}
}
ssize_t MyVorbisExtractor::readPage(off64_t offset, Page *page) {
uint8_t header[27];
ssize_t n;
if ((n = mSource->readAt(offset, header, sizeof(header)))
< (ssize_t)sizeof(header)) {
LOGV("failed to read %d bytes at offset 0x%016llx, got %ld bytes",
sizeof(header), offset, n);
if (n < 0) {
return n;
} else if (n == 0) {
return ERROR_END_OF_STREAM;
} else {
return ERROR_IO;
}
}
if (memcmp(header, "OggS", 4)) {
return ERROR_MALFORMED;
}
if (header[4] != 0) {
// Wrong version.
return ERROR_UNSUPPORTED;
}
page->mFlags = header[5];
if (page->mFlags & ~7) {
// Only bits 0-2 are defined in version 0.
return ERROR_MALFORMED;
}
page->mGranulePosition = U64LE_AT(&header[6]);
#if 0
printf("granulePosition = %llu (0x%llx)\n",
page->mGranulePosition, page->mGranulePosition);
#endif
page->mSerialNo = U32LE_AT(&header[14]);
page->mPageNo = U32LE_AT(&header[18]);
page->mNumSegments = header[26];
if (mSource->readAt(
offset + sizeof(header), page->mLace, page->mNumSegments)
< (ssize_t)page->mNumSegments) {
return ERROR_IO;
}
size_t totalSize = 0;;
for (size_t i = 0; i < page->mNumSegments; ++i) {
totalSize += page->mLace[i];
}
#if 0
String8 tmp;
for (size_t i = 0; i < page->mNumSegments; ++i) {
char x[32];
sprintf(x, "%s%u", i > 0 ? ", " : "", (unsigned)page->mLace[i]);
tmp.append(x);
}
LOGV("%c %s", page->mFlags & 1 ? '+' : ' ', tmp.string());
#endif
return sizeof(header) + page->mNumSegments + totalSize;
}
status_t OggWriter::threadFunc()
{
mEstimatedDurationUs = 0;
mEstimatedSizeBytes = 0;
bool stoppedPrematurely = true;
int64_t previousPausedDurationUs = 0;
int64_t maxTimestampUs = 0;
status_t err = OK;
int64_t ltotalSize = 0;
int64_t timestampUs = 0;
//
int64_t tsUsPauseBeg = 0;
int64_t tsUsPauseEnd = 0;
//paused sample count
int64_t smpPaused = 0;
//
prctl(PR_SET_NAME, (unsigned long)"OggWriter", 0, 0, 0);
//struct sched_param param;
//param.sched_priority = RTPM_PRIO_OMX_AUDIO;
//sched_setscheduler(0, SCHED_RR, ¶m);
//androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO);
//while (!mDone) {
while (1 == 1)
{
MediaBuffer *buffer = NULL;
MediaBuffer *buffer1 = NULL;
if (mDone)
{
buffer = new MediaBuffer(0);
buffer1 = buffer;
}
LOGV("OggWriter::threadFunc:mSource->read+:buffer=%p,buffer1=%p", buffer, buffer1);
err = mSource->read(&buffer);
LOGV("OggWriter::threadFunc:mSource->read-,err=%d,buffer=%p", err, buffer);
if (err != OK)
{
break;
}
LOGV("OggWriter::threadFunc:buffer->range_length()=%d", buffer->range_length());
//buffer->range_length() == 0, ogg encoder SWIP caching data
if (mPaused || buffer->range_length() == 0)
{
//mtk80721 deal pause time error+
if (mPaused && mPausedflag)
{
buffer->meta_data()->findInt64(kKeyTime, &tsUsPauseBeg);
LOGD("OggWriter::threadFunc,pausetime=%d,tsUsPauseBeg=%lld", iPausedTime, tsUsPauseBeg);
mPausedflag = false;
}
//-
if (buffer->range_length() > 0)
{
//not vorbis header data should be released
if (memcmp(buffer->data() + 29, "vorbis", 6) != 0)
{
buffer->release();
buffer = NULL;
continue;
}
else
{
LOGD("ogg header:buffer=%p,size=%d", buffer, buffer->range_length());
}
}
else
{
buffer->release();
buffer = NULL;
continue;
}
}
mEstimatedSizeBytes += buffer->range_length();
if (exceedsFileSizeLimit())
{
buffer->release();
buffer = NULL;
notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED, 0);
break;
}
CHECK(buffer->meta_data()->findInt64(kKeyTime, ×tampUs));
if (timestampUs > 0)
{
if (timestampUs > mEstimatedDurationUs)
{
mEstimatedDurationUs = timestampUs;
}
if (mResumed)
{
//mtk80721 deal pause time error+
buffer->meta_data()->findInt64(kKeyTime, &tsUsPauseEnd);
LOGD("previousPausedDurationUs =%lld,pausetime=%d,tsUsPauseBeg=%lld,tsUsPauseEnd=%lld",
previousPausedDurationUs, iPausedTime, tsUsPauseBeg, tsUsPauseEnd);
previousPausedDurationUs = previousPausedDurationUs + (tsUsPauseEnd - tsUsPauseBeg);
smpPaused = previousPausedDurationUs * mSampleRate / 1000000ll;
LOGD("previousPausedDurationUs =%lld,samplecount=%lld", previousPausedDurationUs, smpPaused);
//previousPausedDurationUs += (timestampUs - maxTimestampUs - 20000);
//-
mResumed = false;
}
timestampUs -= previousPausedDurationUs;
LOGV("time stamp: %lld, previous paused duration: %lld", timestampUs, previousPausedDurationUs);
if (timestampUs > maxTimestampUs)
{
maxTimestampUs = timestampUs;
}
}
if (exceedsFileDurationLimit())
{
buffer->release();
buffer = NULL;
notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_INFO_MAX_DURATION_REACHED, 0);
break;
}
LOGV("OggWriter::threadFunc:fwrite");
//write timestamp
uint8_t *ptimestamp = (uint8_t *)buffer->data() + buffer->range_offset() + 6;
uint64_t ts = U64LE_AT(ptimestamp);
if (smpPaused > 0)
{
ts -= smpPaused;
memcpy(ptimestamp, &ts, sizeof(int64_t));
}
ssize_t n = fwrite(
(const uint8_t *)buffer->data() + buffer->range_offset(),
1,
buffer->range_length(),
mFile);
ltotalSize += n;
if (n < (ssize_t)buffer->range_length())
{
buffer->release();
buffer = NULL;
break;
}
// XXX: How to tell it is stopped prematurely?
if (stoppedPrematurely)
{
stoppedPrematurely = false;
}
LOGV("OggWriter::threadFunc:buffer->release:buffer=%p", buffer);
buffer->release();
buffer = NULL;
}
if (stoppedPrematurely)
{
notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS, UNKNOWN_ERROR);
}
/*
//
int bitrate = ltotalSize / (timestampUs/1E6) * 8;
LOGV("ltotalSize=%lld, timestampUs=%lld, bitrate=%d",ltotalSize, timestampUs, bitrate);
//seek to the bitrate field
fseek(mFile, 44, SEEK_SET);
// max bitrate
fwrite(&bitrate, 1, sizeof(int), mFile);
// nominal bitrate
fwrite(&bitrate, 1, sizeof(int), mFile);
// min bitrate
fwrite(&bitrate, 1, sizeof(int), mFile);
*/
fflush(mFile);
fclose(mFile);
mFile = NULL;
mReachedEOS = true;
if (err == ERROR_END_OF_STREAM)
{
return OK;
}
return err;
}
