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Adding iSAC-fb support

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Adding tests, too.

Review URL: https://webrtc-codereview.appspot.com/1070011

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3440 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
henrik.lundin@webrtc.org
2013-01-31 09:55:24 +00:00
parent 3d13d9f0a0
commit ac59dba3f7
8 changed files with 103 additions and 0 deletions
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56
webrtc/modules/audio_coding/neteq4/timestamp_scaler_unittest.cc
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@ -252,6 +252,62 @@ TEST(TimestampScaler, TestG722Reset) {
EXPECT_CALL(db, Die()); // Called when database object is deleted.
}
TEST(TimestampScaler, TestOpusLargeStep) {
MockDecoderDatabase db;
DecoderDatabase::DecoderInfo info;
info.codec_type = kDecoderOpus; // Uses a factor 2/3 scaling.
static const uint8_t kRtpPayloadType = 17;
EXPECT_CALL(db, GetDecoderInfo(kRtpPayloadType))
.WillRepeatedly(Return(&info));
TimestampScaler scaler(db);
// Test both sides of the timestamp wrap-around.
static const uint32_t kStep = 960;
uint32_t external_timestamp = 0;
// |external_timestamp| will be a large positive value.
external_timestamp = external_timestamp - 5 * kStep;
uint32_t internal_timestamp = external_timestamp;
for (; external_timestamp != 5 * kStep; external_timestamp += kStep) {
// Scale to internal timestamp.
EXPECT_EQ(internal_timestamp,
scaler.ToInternal(external_timestamp, kRtpPayloadType));
// Scale back.
EXPECT_EQ(external_timestamp, scaler.ToExternal(internal_timestamp));
// Internal timestamp should be incremented with twice the step.
internal_timestamp += 2 * kStep / 3;
}
EXPECT_CALL(db, Die()); // Called when database object is deleted.
}
TEST(TimestampScaler, TestIsacFbLargeStep) {
MockDecoderDatabase db;
DecoderDatabase::DecoderInfo info;
info.codec_type = kDecoderISACfb; // Uses a factor 2/3 scaling.
static const uint8_t kRtpPayloadType = 17;
EXPECT_CALL(db, GetDecoderInfo(kRtpPayloadType))
.WillRepeatedly(Return(&info));
TimestampScaler scaler(db);
// Test both sides of the timestamp wrap-around.
static const uint32_t kStep = 960;
uint32_t external_timestamp = 0;
// |external_timestamp| will be a large positive value.
external_timestamp = external_timestamp - 5 * kStep;
uint32_t internal_timestamp = external_timestamp;
for (; external_timestamp != 5 * kStep; external_timestamp += kStep) {
// Scale to internal timestamp.
EXPECT_EQ(internal_timestamp,
scaler.ToInternal(external_timestamp, kRtpPayloadType));
// Scale back.
EXPECT_EQ(external_timestamp, scaler.ToExternal(internal_timestamp));
// Internal timestamp should be incremented with twice the step.
internal_timestamp += 2 * kStep / 3;
}
EXPECT_CALL(db, Die()); // Called when database object is deleted.
}
TEST(TimestampScaler, Failures) {
static const uint8_t kRtpPayloadType = 17;
MockDecoderDatabase db;