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Properly handle SkipBytes with num_bytes as 0 

Previously if there are no bytes remaining, SkipBytes(0) would fail,
which results in parsing error in
AACAudioSpecificConfig::ParseProgramConfigElement.

Fixes #875.

Change-Id: I271899a37303d0d3fa0cf1bf90f99227058b82df
This commit is contained in:
KongQun Yang 2020-12-23 11:02:30 -08:00
parent d90cf9a0fd
commit b231c36539
2 changed files with 3 additions and 2 deletions
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4
packager/media/base/bit_reader.cc
View File

@ -61,10 +61,10 @@ void BitReader::SkipToNextByte() {
}
bool BitReader::SkipBytes(size_t num_bytes) {
if (num_remaining_bits_in_curr_byte_ != 8)
return false;
if (num_bytes == 0)
return true;
if (num_remaining_bits_in_curr_byte_ != 8)
return false;
data_ += num_bytes - 1; // One additional byte in curr_byte_.
if (num_bytes > bytes_left_ + 1)

1
packager/media/base/bit_reader_unittest.cc
View File

@ -70,6 +70,7 @@ TEST(BitReaderTest, SkipBitsTest) {
EXPECT_EQ(13, value8);
EXPECT_FALSE(reader1.SkipBits(100));
EXPECT_TRUE(reader1.SkipBits(0));
EXPECT_TRUE(reader1.SkipBytes(0));
EXPECT_FALSE(reader1.SkipBits(1));
}