Merge branch 'dev/11/fp3/security-aosp-rvc-release' into int/11/fp3
* dev/11/fp3/security-aosp-rvc-release:
Fix NuMediaExtractor::readSampleData buffer Handling
Change-Id: Id76e3c5fe97e31e6d3a203ffde93143ac4385e19
diff --git a/media/libstagefright/NuMediaExtractor.cpp b/media/libstagefright/NuMediaExtractor.cpp
index c638507..7c4855b 100644
--- a/media/libstagefright/NuMediaExtractor.cpp
+++ b/media/libstagefright/NuMediaExtractor.cpp
@@ -627,9 +627,11 @@
numPageSamples = -1;
}
+ // insert, including accounting for the space used.
memcpy((uint8_t *)buffer->data() + mbuf->range_length(),
&numPageSamples,
sizeof(numPageSamples));
+ buffer->setRange(buffer->offset(), buffer->size() + sizeof(numPageSamples));
uint32_t type;
const void *data;
@@ -678,6 +680,8 @@
ssize_t minIndex = fetchAllTrackSamples();
+ buffer->setRange(0, 0); // start with an empty buffer
+
if (minIndex < 0) {
return ERROR_END_OF_STREAM;
}
@@ -693,25 +697,25 @@
sampleSize += sizeof(int32_t);
}
+ // capacity() is ok since we cleared out the buffer
if (buffer->capacity() < sampleSize) {
return -ENOMEM;
}
+ const size_t srclen = it->mBuffer->range_length();
const uint8_t *src =
(const uint8_t *)it->mBuffer->data()
+ it->mBuffer->range_offset();
- memcpy((uint8_t *)buffer->data(), src, it->mBuffer->range_length());
+ memcpy((uint8_t *)buffer->data(), src, srclen);
+ buffer->setRange(0, srclen);
status_t err = OK;
if (info->mTrackFlags & kIsVorbis) {
+ // adjusts range when it inserts the extra bits
err = appendVorbisNumPageSamples(it->mBuffer, buffer);
}
- if (err == OK) {
- buffer->setRange(0, sampleSize);
- }
-
return err;
}