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Bug 1202012: Use QTv2 header when available. r=rillian

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This commit is contained in:
Jean-Yves Avenard 2015-09-12 02:11:52 +10:00
parent 464d141cc4
commit cb494a62b3
1 changed files with 25 additions and 5 deletions
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30
media/libstagefright/frameworks/av/media/libstagefright/MPEG4Extractor.cpp
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@ -1330,11 +1330,6 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(chunk_type));
AdjustChannelsAndRate(chunk_type, &num_channels, &sample_rate);
}
ALOGV("*** coding='%s' %d channels, size %d, rate %d\n",
chunk, num_channels, sample_size, sample_rate);
mLastTrack->meta->setInt32(kKeyChannelCount, num_channels);
mLastTrack->meta->setInt32(kKeySampleSize, sample_size);
mLastTrack->meta->setInt32(kKeySampleRate, sample_rate);
uint64_t skip = 0;
if (qt_version == 1) {
@ -1364,11 +1359,36 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
return ERROR_IO;
}
uint32_t structSize = ntohl(structSize32);
// Read SampleRate.
uint64_t sample_rate64;
if (mDataSource->readAt(
data_offset + 32, &sample_rate64, sizeof(sample_rate64))
< (ssize_t)sizeof(sample_rate64)) {
return ERROR_IO;
}
uint64_t i_value = ntoh64(sample_rate64);
void* v_value = reinterpret_cast<void*>(&i_value);
sample_rate = uint32_t(*reinterpret_cast<double*>(v_value));
// Read ChannelCount.
uint32_t channel_count32;
if (mDataSource->readAt(
data_offset + 40, &channel_count32, sizeof(channel_count32))
< (ssize_t)sizeof(channel_count32)) {
return ERROR_IO;
}
num_channels = ntohl(channel_count32);
skip += 36;
if (structSize > 72) {
skip += structSize - 72;
}
}
ALOGV("*** coding='%s' %d channels, size %d, rate %d\n",
chunk, num_channels, sample_size, sample_rate);
mLastTrack->meta->setInt32(kKeyChannelCount, num_channels);
mLastTrack->meta->setInt32(kKeySampleSize, sample_size);
mLastTrack->meta->setInt32(kKeySampleRate, sample_rate);
off64_t stop_offset = *offset + chunk_size;
*offset = data_offset + sizeof(buffer) + skip;
while (*offset < stop_offset) {