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Add generated comfort noise counter.

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Currently only implemented for codec internal CNG (Opus).

Bug: webrtc:13322
Change-Id: I00622f2967f066dba64a792e26081038ae0cb0d9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259200
Reviewed-by: Ivo Creusen <ivoc@webrtc.org>
Commit-Queue: Jakob Ivarsson‎ <jakobi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36590}
This commit is contained in:
Jakob Ivarsson
2022-04-18 20:31:51 +02:00
committed by WebRTC LUCI CQ
parent 61a01af454
commit 098c4ea2ca
5 changed files with 16 additions and 0 deletions
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2
api/neteq/neteq.h
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@ -88,6 +88,8 @@ struct NetEqLifetimeStatistics {
// these events. // these events.
int32_t interruption_count = 0; int32_t interruption_count = 0;
int32_t total_interruption_duration_ms = 0; int32_t total_interruption_duration_ms = 0;
// Total number of comfort noise samples generated during DTX.
uint64_t generated_noise_samples = 0;
}; };
// Metrics that describe the operations performed in NetEq, and the internal // Metrics that describe the operations performed in NetEq, and the internal

1
modules/audio_coding/neteq/neteq_impl.cc
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@ -1455,6 +1455,7 @@ int NetEqImpl::DecodeCng(AudioDecoder* decoder,
return kDecodedTooMuch; return kDecodedTooMuch;
} }
} }
stats_->GeneratedNoiseSamples(*decoded_length);
return 0; return 0;
} }

4
modules/audio_coding/neteq/statistics_calculator.cc
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@ -230,6 +230,10 @@ void StatisticsCalculator::AcceleratedSamples(size_t num_samples) {
lifetime_stats_.removed_samples_for_acceleration += num_samples; lifetime_stats_.removed_samples_for_acceleration += num_samples;
} }
void StatisticsCalculator::GeneratedNoiseSamples(size_t num_samples) {
lifetime_stats_.generated_noise_samples += num_samples;
}
void StatisticsCalculator::PacketsDiscarded(size_t num_packets) { void StatisticsCalculator::PacketsDiscarded(size_t num_packets) {
operations_and_state_.discarded_primary_packets += num_packets; operations_and_state_.discarded_primary_packets += num_packets;
} }

3
modules/audio_coding/neteq/statistics_calculator.h
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@ -64,6 +64,9 @@ class StatisticsCalculator {
// Reports that `num_samples` samples were removed through accelerate. // Reports that `num_samples` samples were removed through accelerate.
void AcceleratedSamples(size_t num_samples); void AcceleratedSamples(size_t num_samples);
// Reports that `num_samples` comfort noise samples were generated.
void GeneratedNoiseSamples(size_t num_samples);
// Reports that `num_packets` packets were discarded. // Reports that `num_packets` packets were discarded.
virtual void PacketsDiscarded(size_t num_packets); virtual void PacketsDiscarded(size_t num_packets);

6
modules/audio_coding/neteq/tools/neteq_stats_plotter.cc
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@ -94,6 +94,12 @@ void NetEqStatsPlotter::SimulationEnded(int64_t simulation_time_ms) {
printf(" interruption_ratio: %f\n", printf(" interruption_ratio: %f\n",
static_cast<double>(lifetime_stats.total_interruption_duration_ms) / static_cast<double>(lifetime_stats.total_interruption_duration_ms) /
simulation_time_ms); simulation_time_ms);
printf(" removed_samples_for_acceleration: %" PRIu64 "\n",
lifetime_stats.removed_samples_for_acceleration);
printf(" inserted_samples_for_deceleration: %" PRIu64 "\n",
lifetime_stats.inserted_samples_for_deceleration);
printf(" generated_noise_samples: %" PRIu64 "\n",
lifetime_stats.generated_noise_samples);
} }
} }