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Adding decoded_fec_rate to NetEQ Network Statistics.

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A statistic is introduced to reflect the actual benefits of Opus FEC. It shows what percentage of samples in the rendered audio come from FEC data.

BUG=3867
R=henrik.lundin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/34969004

Cr-Commit-Position: refs/heads/master@{#8384}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8384 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
minyue@webrtc.org
2015-02-17 10:17:09 +00:00
parent 290cb56dca
commit 2c1bcf2cb4
12 changed files with 636 additions and 226 deletions
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35
webrtc/modules/audio_coding/neteq/neteq_unittest.cc
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@ -137,13 +137,42 @@ void RefFiles::WriteToFile(const NetEqNetworkStatistics& stats) {
void RefFiles::ReadFromFileAndCompare(
const NetEqNetworkStatistics& stats) {
// TODO(minyue): Update resource/audio_coding/neteq_network_stats.dat and
// resource/audio_coding/neteq_network_stats_win32.dat.
struct NetEqNetworkStatisticsOld {
uint16_t current_buffer_size_ms; // Current jitter buffer size in ms.
uint16_t preferred_buffer_size_ms; // Target buffer size in ms.
uint16_t jitter_peaks_found; // 1 if adding extra delay due to peaky
// jitter; 0 otherwise.
uint16_t packet_loss_rate; // Loss rate (network + late) in Q14.
uint16_t packet_discard_rate; // Late loss rate in Q14.
uint16_t expand_rate; // Fraction (of original stream) of synthesized
// speech inserted through expansion (in Q14).
uint16_t preemptive_rate; // Fraction of data inserted through pre-emptive
// expansion (in Q14).
uint16_t accelerate_rate; // Fraction of data removed through acceleration
// (in Q14).
int32_t clockdrift_ppm; // Average clock-drift in parts-per-million
// (positive or negative).
int added_zero_samples; // Number of zero samples added in "off" mode.
};
if (input_fp_) {
// Read from ref file.
size_t stat_size = sizeof(NetEqNetworkStatistics);
NetEqNetworkStatistics ref_stats;
size_t stat_size = sizeof(NetEqNetworkStatisticsOld);
NetEqNetworkStatisticsOld ref_stats;
ASSERT_EQ(1u, fread(&ref_stats, stat_size, 1, input_fp_));
// Compare
ASSERT_EQ(0, memcmp(&stats, &ref_stats, stat_size));
ASSERT_EQ(stats.current_buffer_size_ms, ref_stats.current_buffer_size_ms);
ASSERT_EQ(stats.preferred_buffer_size_ms,
ref_stats.preferred_buffer_size_ms);
ASSERT_EQ(stats.jitter_peaks_found, ref_stats.jitter_peaks_found);
ASSERT_EQ(stats.packet_loss_rate, ref_stats.packet_loss_rate);
ASSERT_EQ(stats.packet_discard_rate, ref_stats.packet_discard_rate);
ASSERT_EQ(stats.preemptive_rate, ref_stats.preemptive_rate);
ASSERT_EQ(stats.accelerate_rate, ref_stats.accelerate_rate);
ASSERT_EQ(stats.clockdrift_ppm, ref_stats.clockdrift_ppm);
ASSERT_EQ(stats.added_zero_samples, ref_stats.added_zero_samples);
ASSERT_EQ(stats.secondary_decoded_rate, 0);
}
}