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Implement Opus bandwidth adjustment behind a FieldTrial

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Bug: webrtc:8522
Change-Id: I3a32ebfecd27ff74b507c2cee9e16aab17153442
Reviewed-on: https://webrtc-review.googlesource.com/22210
Commit-Queue: Alejandro Luebs <aluebs@webrtc.org>
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20799}
This commit is contained in:
Alex Luebs
2017-11-20 11:13:56 -08:00
committed by Commit Bot
parent 64eaa99cfc
commit eeb2765f6c
9 changed files with 368 additions and 3 deletions
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39
modules/audio_coding/codecs/opus/opus_unittest.cc
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@ -458,6 +458,45 @@ TEST_P(OpusTest, OpusSetComplexity) {
EXPECT_EQ(0, WebRtcOpus_EncoderFree(opus_encoder_));
}
TEST_P(OpusTest, OpusSetBandwidth) {
PrepareSpeechData(channels_, 20, 20);
int16_t audio_type;
std::unique_ptr<int16_t[]> output_data_decode(
new int16_t[kOpus20msFrameSamples * channels_]());
// Test without creating encoder memory.
EXPECT_EQ(-1,
WebRtcOpus_SetBandwidth(opus_encoder_, OPUS_BANDWIDTH_NARROWBAND));
EXPECT_EQ(-1, WebRtcOpus_GetBandwidth(opus_encoder_));
// Create encoder memory, try with different bandwidths.
EXPECT_EQ(0,
WebRtcOpus_EncoderCreate(&opus_encoder_, channels_, application_));
EXPECT_EQ(0, WebRtcOpus_DecoderCreate(&opus_decoder_, channels_));
EXPECT_EQ(-1, WebRtcOpus_SetBandwidth(opus_encoder_,
OPUS_BANDWIDTH_NARROWBAND - 1));
EXPECT_EQ(0,
WebRtcOpus_SetBandwidth(opus_encoder_, OPUS_BANDWIDTH_NARROWBAND));
EncodeDecode(opus_encoder_, speech_data_.GetNextBlock(), opus_decoder_,
output_data_decode.get(), &audio_type);
EXPECT_EQ(OPUS_BANDWIDTH_NARROWBAND, WebRtcOpus_GetBandwidth(opus_encoder_));
EXPECT_EQ(0, WebRtcOpus_SetBandwidth(opus_encoder_, OPUS_BANDWIDTH_FULLBAND));
EncodeDecode(opus_encoder_, speech_data_.GetNextBlock(), opus_decoder_,
output_data_decode.get(), &audio_type);
EXPECT_EQ(OPUS_BANDWIDTH_FULLBAND, WebRtcOpus_GetBandwidth(opus_encoder_));
EXPECT_EQ(
-1, WebRtcOpus_SetBandwidth(opus_encoder_, OPUS_BANDWIDTH_FULLBAND + 1));
EncodeDecode(opus_encoder_, speech_data_.GetNextBlock(), opus_decoder_,
output_data_decode.get(), &audio_type);
EXPECT_EQ(OPUS_BANDWIDTH_FULLBAND, WebRtcOpus_GetBandwidth(opus_encoder_));
// Free memory.
EXPECT_EQ(0, WebRtcOpus_EncoderFree(opus_encoder_));
EXPECT_EQ(0, WebRtcOpus_DecoderFree(opus_decoder_));
}
TEST_P(OpusTest, OpusForceChannels) {
// Test without creating encoder memory.
EXPECT_EQ(-1, WebRtcOpus_SetForceChannels(opus_encoder_, 1));