6dcdf10c76
Code should implement BBR which is the congestion controlling algorithm. BBR tries to estimate two values bottle-neck bandwidth(bw) and round trip time(rtt),then use these two values to set two control parameters pacing rate(pacing_rate),the rate at which data should be sent and congestion window size (cwnd), cwnd is the upper bound for data in flight,data_in_flight <= cwnd at all time. BBR has four modes: 1)Startup-ramping up throughput discovering estimated bw. 2)Drain-after Startup decrease throughput to drain queues. 3)Probe Bandwidth-most of the time BBR should be in this mode, sending data at the rate of estimated bw, while sometimes trying to discover new bandwidth. 4)Probe Rtt-in this mode BBR tries to discover new rtt for the connection. The key moment in BBR is when we receive feedback from the receiver,as this is the only moment which should effect our two estimators. At this moment all the switches between modes should happen, except switch to ProbeRtt mode (switching to ProbeRtt mode should happen when current min_rtt value expires). This cl serves to emphasize the structure of Bbr, when switches happen and what key classes/functions should be implemented for proper functionality. BUG=webrtc:7713 NOTRY=True Review-Url: https://codereview.webrtc.org/2904183002 Cr-Commit-Position: refs/heads/master@{#18444}
261 lines
10 KiB
Plaintext
261 lines
10 KiB
Plaintext
# Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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import("../webrtc.gni")
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import("audio_coding/audio_coding.gni")
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group("modules") {
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public_deps = [
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"audio_coding",
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"audio_conference_mixer",
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"audio_device",
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"audio_mixer",
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"audio_processing",
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"bitrate_controller",
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"congestion_controller",
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"desktop_capture",
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"media_file",
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"pacing",
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"remote_bitrate_estimator",
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"rtp_rtcp",
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"utility",
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"video_coding",
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"video_processing",
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]
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}
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rtc_source_set("module_api") {
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sources = [
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"include/module.h",
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"include/module_common_types.h",
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]
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deps = [
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"..:webrtc_common",
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"../api:video_frame_api",
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"../base:rtc_base_approved",
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]
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}
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if (rtc_include_tests) {
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modules_tests_resources = [
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"//resources/audio_coding/testfile32kHz.pcm",
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"//resources/audio_coding/teststereo32kHz.pcm",
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"//resources/foreman_cif.yuv",
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"//resources/paris_qcif.yuv",
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]
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if (is_ios) {
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bundle_data("modules_tests_bundle_data") {
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testonly = true
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sources = modules_tests_resources
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outputs = [
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"{{bundle_resources_dir}}/{{source_file_part}}",
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]
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}
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}
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rtc_test("modules_tests") {
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testonly = true
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deps = [
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"../test:test_main",
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"../test:video_test_common",
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"audio_coding:audio_coding_modules_tests",
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"desktop_capture:desktop_capture_modules_tests",
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"rtp_rtcp:rtp_rtcp_modules_tests",
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"video_coding:video_coding_modules_tests",
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"//testing/gmock",
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"//testing/gtest",
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]
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data = modules_tests_resources
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if (is_android) {
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deps += [ "//testing/android/native_test:native_test_native_code" ]
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shard_timeout = 900
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}
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if (is_ios) {
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deps += [ ":modules_tests_bundle_data" ]
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}
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if (!build_with_chromium && is_clang) {
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# Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
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suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
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}
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if (is_win) {
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cflags = [
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# TODO(phoglund): get rid of 4373 supression when
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# http://code.google.com/p/webrtc/issues/detail?id=261 is solved.
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# legacy warning for ignoring const / volatile in signatures.
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"/wd4373",
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]
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}
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}
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modules_unittests_resources = [
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"//resources/att-downlink.rx",
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"//resources/att-uplink.rx",
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"//resources/audio_coding/neteq_opus.rtp",
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"//resources/audio_coding/neteq_universal_new.rtp",
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"//resources/audio_coding/speech_mono_16kHz.pcm",
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"//resources/audio_coding/speech_mono_32_48kHz.pcm",
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"//resources/audio_coding/testfile32kHz.pcm",
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"//resources/audio_coding/teststereo32kHz.pcm",
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"//resources/audio_device/audio_short16.pcm",
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"//resources/audio_device/audio_short44.pcm",
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"//resources/audio_device/audio_short48.pcm",
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"//resources/audio_processing/agc/agc_audio.pcm",
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"//resources/audio_processing/agc/agc_no_circular_buffer.dat",
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"//resources/audio_processing/agc/agc_pitch_gain.dat",
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"//resources/audio_processing/agc/agc_pitch_lag.dat",
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"//resources/audio_processing/agc/agc_spectral_peak.dat",
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"//resources/audio_processing/agc/agc_vad.dat",
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"//resources/audio_processing/agc/agc_voicing_prob.dat",
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"//resources/audio_processing/agc/agc_with_circular_buffer.dat",
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"//resources/audio_processing/output_data_fixed.pb",
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"//resources/audio_processing/output_data_float.pb",
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"//resources/audio_processing/output_data_mac.pb",
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"//resources/audio_processing/transient/ajm-macbook-1-spke16m.pcm",
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"//resources/audio_processing/transient/audio16kHz.pcm",
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"//resources/audio_processing/transient/audio32kHz.pcm",
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"//resources/audio_processing/transient/audio48kHz.pcm",
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"//resources/audio_processing/transient/audio8kHz.pcm",
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"//resources/audio_processing/transient/detect16kHz.dat",
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"//resources/audio_processing/transient/detect32kHz.dat",
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"//resources/audio_processing/transient/detect48kHz.dat",
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"//resources/audio_processing/transient/detect8kHz.dat",
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"//resources/audio_processing/transient/double-utils.dat",
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"//resources/audio_processing/transient/float-utils.dat",
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"//resources/audio_processing/transient/suppressed16kHz.pcm",
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"//resources/audio_processing/transient/suppressed32kHz.pcm",
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"//resources/audio_processing/transient/suppressed8kHz.pcm",
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"//resources/audio_processing/transient/wpd0.dat",
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"//resources/audio_processing/transient/wpd1.dat",
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"//resources/audio_processing/transient/wpd2.dat",
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"//resources/audio_processing/transient/wpd3.dat",
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"//resources/audio_processing/transient/wpd4.dat",
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"//resources/audio_processing/transient/wpd5.dat",
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"//resources/audio_processing/transient/wpd6.dat",
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"//resources/audio_processing/transient/wpd7.dat",
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"//resources/deflicker_before_cif_short.yuv",
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"//resources/far16_stereo.pcm",
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"//resources/far32_stereo.pcm",
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"//resources/far44_stereo.pcm",
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"//resources/far48_stereo.pcm",
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"//resources/far8_stereo.pcm",
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"//resources/foremanColorEnhanced_cif_short.yuv",
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"//resources/foreman_cif.yuv",
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"//resources/foreman_cif_short.yuv",
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"//resources/near16_stereo.pcm",
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"//resources/near32_stereo.pcm",
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"//resources/near44_stereo.pcm",
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"//resources/near48_stereo.pcm",
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"//resources/near8_stereo.pcm",
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"//resources/ref03.aecdump",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke1_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke1_0_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke1_1_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke1_1_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke2_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke2_0_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke2_1_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingChoke2_1_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingDelay1_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingDelay1_0_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingLoss1_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_IncreasingLoss1_0_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_Multi1_1_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_Multi1_1_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyChoke_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyChoke_0_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyChoke_1_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyChoke_1_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyDelay_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyDelay_0_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyLoss_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_SteadyLoss_0_TOF.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_UnlimitedSpeed_0_AST.bin",
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"//resources/remote_bitrate_estimator/VideoSendersTest_BweTest_UnlimitedSpeed_0_TOF.bin",
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"//resources/short_mixed_mono_48.dat",
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"//resources/short_mixed_mono_48_arm.dat",
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"//resources/short_mixed_mono_48.pcm",
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"//resources/short_mixed_stereo_48.dat",
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"//resources/short_mixed_stereo_48.pcm",
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"//resources/sprint-downlink.rx",
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"//resources/sprint-uplink.rx",
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"//resources/synthetic-trace.rx",
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"//resources/tmobile-downlink.rx",
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"//resources/tmobile-uplink.rx",
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"//resources/verizon3g-downlink.rx",
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"//resources/verizon3g-uplink.rx",
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"//resources/verizon4g-downlink.rx",
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"//resources/verizon4g-uplink.rx",
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"//resources/voice_engine/audio_tiny48.wav",
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]
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if (is_ios) {
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bundle_data("modules_unittests_bundle_data") {
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testonly = true
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sources = modules_unittests_resources
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outputs = [
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"{{bundle_resources_dir}}/{{source_file_part}}",
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]
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}
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}
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rtc_test("modules_unittests") {
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testonly = true
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defines = []
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sources = [
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"module_common_types_unittest.cc",
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]
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if (!build_with_chromium && is_clang) {
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# Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
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suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
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}
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deps = [
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":module_api",
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"../test:test_main",
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"audio_coding:audio_coding_unittests",
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"audio_conference_mixer:audio_conference_mixer_unittests",
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"audio_device:audio_device_unittests",
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"audio_mixer:audio_mixer_unittests",
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"audio_processing:audio_processing_unittests",
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"bitrate_controller:bitrate_controller_unittests",
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"congestion_controller:congestion_controller_unittests",
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"desktop_capture:desktop_capture_unittests",
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"media_file:media_file_unittests",
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"pacing:pacing_unittests",
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"remote_bitrate_estimator:remote_bitrate_estimator_unittests",
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"rtp_rtcp:rtp_rtcp_unittests",
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"utility:utility_unittests",
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"video_capture",
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"video_coding:video_coding_unittests",
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"video_processing:video_processing_unittests",
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]
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data = modules_unittests_resources
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if (is_android) {
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deps += [
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"//testing/android/native_test:native_test_support",
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"//webrtc/sdk/android:libjingle_peerconnection_java",
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]
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shard_timeout = 900
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}
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if (is_ios) {
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info_plist = "//webrtc/test/ios/Info.plist"
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deps += [ ":modules_unittests_bundle_data" ]
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configs += [ "..:common_objc" ]
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ldflags = [ "-ObjC" ]
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}
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}
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}
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