static void addESDSFromCodecPrivate(
const sp<MetaData> &meta,
bool isAudio, const void *priv, size_t privSize) {
int privSizeBytesRequired = bytesForSize(privSize);
int esdsSize2 = 14 + privSizeBytesRequired + privSize;
int esdsSize2BytesRequired = bytesForSize(esdsSize2);
int esdsSize1 = 4 + esdsSize2BytesRequired + esdsSize2;
int esdsSize1BytesRequired = bytesForSize(esdsSize1);
size_t esdsSize = 1 + esdsSize1BytesRequired + esdsSize1;
uint8_t *esds = new uint8_t[esdsSize];
size_t idx = 0;
esds[idx++] = 0x03;
storeSize(esds, idx, esdsSize1);
esds[idx++] = 0x00; // ES_ID
esds[idx++] = 0x00; // ES_ID
esds[idx++] = 0x00; // streamDependenceFlag, URL_Flag, OCRstreamFlag
esds[idx++] = 0x04;
storeSize(esds, idx, esdsSize2);
esds[idx++] = isAudio ? 0x40 // Audio ISO/IEC 14496-3
: 0x20; // Visual ISO/IEC 14496-2
for (int i = 0; i < 12; i++) {
esds[idx++] = 0x00;
}
esds[idx++] = 0x05;
storeSize(esds, idx, privSize);
memcpy(esds + idx, priv, privSize);
meta->setData(kKeyESDS, 0, esds, esdsSize);
delete[] esds;
esds = NULL;
}
static void addESDSFromCodecPrivate(
const sp<MetaData> &meta,
bool isAudio, const void *priv, size_t privSize) {
if(isAudio) {
ABitReader br((const uint8_t *)priv, privSize);
uint32_t objectType = br.getBits(5);
if (objectType == 31) { // AAC-ELD => additional 6 bits
objectType = 32 + br.getBits(6);
}
if(objectType == 1) { //AAC Main profile
ALOGV("Found AAC mainprofile in Matroska Extractor");
}
meta->setInt32(kKeyAACAOT, objectType);
}
int privSizeBytesRequired = bytesForSize(privSize);
int esdsSize2 = 14 + privSizeBytesRequired + privSize;
int esdsSize2BytesRequired = bytesForSize(esdsSize2);
int esdsSize1 = 4 + esdsSize2BytesRequired + esdsSize2;
int esdsSize1BytesRequired = bytesForSize(esdsSize1);
size_t esdsSize = 1 + esdsSize1BytesRequired + esdsSize1;
uint8_t *esds = new uint8_t[esdsSize];
size_t idx = 0;
esds[idx++] = 0x03;
storeSize(esds, idx, esdsSize1);
esds[idx++] = 0x00; // ES_ID
esds[idx++] = 0x00; // ES_ID
esds[idx++] = 0x00; // streamDependenceFlag, URL_Flag, OCRstreamFlag
esds[idx++] = 0x04;
storeSize(esds, idx, esdsSize2);
esds[idx++] = isAudio ? 0x40 // Audio ISO/IEC 14496-3
: 0x20; // Visual ISO/IEC 14496-2
for (int i = 0; i < 12; i++) {
esds[idx++] = 0x00;
}
esds[idx++] = 0x05;
storeSize(esds, idx, privSize);
memcpy(esds + idx, priv, privSize);
meta->setData(kKeyESDS, 0, esds, esdsSize);
delete[] esds;
esds = NULL;
}
static void storeSize(uint8_t *data, size_t &idx, size_t size) {
int numBytes = bytesForSize(size);
idx += numBytes;
data += idx;
size_t next = 0;
while (numBytes--) {
*--data = (size & 0x7f) | next;
size >>= 7;
next = 0x80;
}
}
