summaryrefslogtreecommitdiffstats
path: root/third_party/libwebrtc/modules/audio_coding/test/TestAllCodecs.cc
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/modules/audio_coding/test/TestAllCodecs.cc
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/modules/audio_coding/test/TestAllCodecs.cc')
-rw-r--r--third_party/libwebrtc/modules/audio_coding/test/TestAllCodecs.cc412
1 files changed, 412 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/test/TestAllCodecs.cc b/third_party/libwebrtc/modules/audio_coding/test/TestAllCodecs.cc
new file mode 100644
index 0000000000..b44037d732
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_coding/test/TestAllCodecs.cc
@@ -0,0 +1,412 @@
+/*
+ * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "modules/audio_coding/test/TestAllCodecs.h"
+
+#include <cstdio>
+#include <limits>
+#include <string>
+
+#include "absl/strings/match.h"
+#include "api/audio_codecs/builtin_audio_decoder_factory.h"
+#include "api/audio_codecs/builtin_audio_encoder_factory.h"
+#include "modules/audio_coding/include/audio_coding_module_typedefs.h"
+#include "modules/include/module_common_types.h"
+#include "rtc_base/logging.h"
+#include "rtc_base/string_encode.h"
+#include "rtc_base/strings/string_builder.h"
+#include "test/gtest.h"
+#include "test/testsupport/file_utils.h"
+
+// Description of the test:
+// In this test we set up a one-way communication channel from a participant
+// called "a" to a participant called "b".
+// a -> channel_a_to_b -> b
+//
+// The test loops through all available mono codecs, encode at "a" sends over
+// the channel, and decodes at "b".
+
+#define CHECK_ERROR(f) \
+ do { \
+ EXPECT_GE(f, 0) << "Error Calling API"; \
+ } while (0)
+
+namespace {
+const size_t kVariableSize = std::numeric_limits<size_t>::max();
+}
+
+namespace webrtc {
+
+// Class for simulating packet handling.
+TestPack::TestPack()
+ : receiver_acm_(NULL),
+ sequence_number_(0),
+ timestamp_diff_(0),
+ last_in_timestamp_(0),
+ total_bytes_(0),
+ payload_size_(0) {}
+
+TestPack::~TestPack() {}
+
+void TestPack::RegisterReceiverACM(AudioCodingModule* acm) {
+ receiver_acm_ = acm;
+ return;
+}
+
+int32_t TestPack::SendData(AudioFrameType frame_type,
+ uint8_t payload_type,
+ uint32_t timestamp,
+ const uint8_t* payload_data,
+ size_t payload_size,
+ int64_t absolute_capture_timestamp_ms) {
+ RTPHeader rtp_header;
+ int32_t status;
+
+ rtp_header.markerBit = false;
+ rtp_header.ssrc = 0;
+ rtp_header.sequenceNumber = sequence_number_++;
+ rtp_header.payloadType = payload_type;
+ rtp_header.timestamp = timestamp;
+
+ if (frame_type == AudioFrameType::kEmptyFrame) {
+ // Skip this frame.
+ return 0;
+ }
+
+ // Only run mono for all test cases.
+ memcpy(payload_data_, payload_data, payload_size);
+
+ status =
+ receiver_acm_->IncomingPacket(payload_data_, payload_size, rtp_header);
+
+ payload_size_ = payload_size;
+ timestamp_diff_ = timestamp - last_in_timestamp_;
+ last_in_timestamp_ = timestamp;
+ total_bytes_ += payload_size;
+ return status;
+}
+
+size_t TestPack::payload_size() {
+ return payload_size_;
+}
+
+uint32_t TestPack::timestamp_diff() {
+ return timestamp_diff_;
+}
+
+void TestPack::reset_payload_size() {
+ payload_size_ = 0;
+}
+
+TestAllCodecs::TestAllCodecs()
+ : acm_a_(AudioCodingModule::Create(
+ AudioCodingModule::Config(CreateBuiltinAudioDecoderFactory()))),
+ acm_b_(AudioCodingModule::Create(
+ AudioCodingModule::Config(CreateBuiltinAudioDecoderFactory()))),
+ channel_a_to_b_(NULL),
+ test_count_(0),
+ packet_size_samples_(0),
+ packet_size_bytes_(0) {}
+
+TestAllCodecs::~TestAllCodecs() {
+ if (channel_a_to_b_ != NULL) {
+ delete channel_a_to_b_;
+ channel_a_to_b_ = NULL;
+ }
+}
+
+void TestAllCodecs::Perform() {
+ const std::string file_name =
+ webrtc::test::ResourcePath("audio_coding/testfile32kHz", "pcm");
+ infile_a_.Open(file_name, 32000, "rb");
+
+ acm_a_->InitializeReceiver();
+ acm_b_->InitializeReceiver();
+
+ acm_b_->SetReceiveCodecs({{107, {"L16", 8000, 1}},
+ {108, {"L16", 16000, 1}},
+ {109, {"L16", 32000, 1}},
+ {111, {"L16", 8000, 2}},
+ {112, {"L16", 16000, 2}},
+ {113, {"L16", 32000, 2}},
+ {0, {"PCMU", 8000, 1}},
+ {110, {"PCMU", 8000, 2}},
+ {8, {"PCMA", 8000, 1}},
+ {118, {"PCMA", 8000, 2}},
+ {102, {"ILBC", 8000, 1}},
+ {9, {"G722", 8000, 1}},
+ {119, {"G722", 8000, 2}},
+ {120, {"OPUS", 48000, 2, {{"stereo", "1"}}}},
+ {13, {"CN", 8000, 1}},
+ {98, {"CN", 16000, 1}},
+ {99, {"CN", 32000, 1}}});
+
+ // Create and connect the channel
+ channel_a_to_b_ = new TestPack;
+ acm_a_->RegisterTransportCallback(channel_a_to_b_);
+ channel_a_to_b_->RegisterReceiverACM(acm_b_.get());
+
+ // All codecs are tested for all allowed sampling frequencies, rates and
+ // packet sizes.
+ test_count_++;
+ OpenOutFile(test_count_);
+ char codec_g722[] = "G722";
+ RegisterSendCodec('A', codec_g722, 16000, 64000, 160, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_g722, 16000, 64000, 320, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_g722, 16000, 64000, 480, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_g722, 16000, 64000, 640, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_g722, 16000, 64000, 800, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_g722, 16000, 64000, 960, 0);
+ Run(channel_a_to_b_);
+ outfile_b_.Close();
+#ifdef WEBRTC_CODEC_ILBC
+ test_count_++;
+ OpenOutFile(test_count_);
+ char codec_ilbc[] = "ILBC";
+ RegisterSendCodec('A', codec_ilbc, 8000, 13300, 240, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_ilbc, 8000, 13300, 480, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_ilbc, 8000, 15200, 160, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_ilbc, 8000, 15200, 320, 0);
+ Run(channel_a_to_b_);
+ outfile_b_.Close();
+#endif
+ test_count_++;
+ OpenOutFile(test_count_);
+ char codec_l16[] = "L16";
+ RegisterSendCodec('A', codec_l16, 8000, 128000, 80, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_l16, 8000, 128000, 160, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_l16, 8000, 128000, 240, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_l16, 8000, 128000, 320, 0);
+ Run(channel_a_to_b_);
+ outfile_b_.Close();
+
+ test_count_++;
+ OpenOutFile(test_count_);
+ RegisterSendCodec('A', codec_l16, 16000, 256000, 160, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_l16, 16000, 256000, 320, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_l16, 16000, 256000, 480, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_l16, 16000, 256000, 640, 0);
+ Run(channel_a_to_b_);
+ outfile_b_.Close();
+
+ test_count_++;
+ OpenOutFile(test_count_);
+ RegisterSendCodec('A', codec_l16, 32000, 512000, 320, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_l16, 32000, 512000, 640, 0);
+ Run(channel_a_to_b_);
+ outfile_b_.Close();
+
+ test_count_++;
+ OpenOutFile(test_count_);
+ char codec_pcma[] = "PCMA";
+ RegisterSendCodec('A', codec_pcma, 8000, 64000, 80, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcma, 8000, 64000, 160, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcma, 8000, 64000, 240, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcma, 8000, 64000, 320, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcma, 8000, 64000, 400, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcma, 8000, 64000, 480, 0);
+ Run(channel_a_to_b_);
+
+ char codec_pcmu[] = "PCMU";
+ RegisterSendCodec('A', codec_pcmu, 8000, 64000, 80, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcmu, 8000, 64000, 160, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcmu, 8000, 64000, 240, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcmu, 8000, 64000, 320, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcmu, 8000, 64000, 400, 0);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_pcmu, 8000, 64000, 480, 0);
+ Run(channel_a_to_b_);
+ outfile_b_.Close();
+#ifdef WEBRTC_CODEC_OPUS
+ test_count_++;
+ OpenOutFile(test_count_);
+ char codec_opus[] = "OPUS";
+ RegisterSendCodec('A', codec_opus, 48000, 6000, 480, kVariableSize);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_opus, 48000, 20000, 480 * 2, kVariableSize);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_opus, 48000, 32000, 480 * 4, kVariableSize);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_opus, 48000, 48000, 480, kVariableSize);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_opus, 48000, 64000, 480 * 4, kVariableSize);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_opus, 48000, 96000, 480 * 6, kVariableSize);
+ Run(channel_a_to_b_);
+ RegisterSendCodec('A', codec_opus, 48000, 500000, 480 * 2, kVariableSize);
+ Run(channel_a_to_b_);
+ outfile_b_.Close();
+#endif
+}
+
+// Register Codec to use in the test
+//
+// Input: side - which ACM to use, 'A' or 'B'
+// codec_name - name to use when register the codec
+// sampling_freq_hz - sampling frequency in Herz
+// rate - bitrate in bytes
+// packet_size - packet size in samples
+// extra_byte - if extra bytes needed compared to the bitrate
+// used when registering, can be an internal header
+// set to kVariableSize if the codec is a variable
+// rate codec
+void TestAllCodecs::RegisterSendCodec(char side,
+ char* codec_name,
+ int32_t sampling_freq_hz,
+ int rate,
+ int packet_size,
+ size_t extra_byte) {
+ // Store packet-size in samples, used to validate the received packet.
+ // If G.722, store half the size to compensate for the timestamp bug in the
+ // RFC for G.722.
+ int clockrate_hz = sampling_freq_hz;
+ size_t num_channels = 1;
+ if (absl::EqualsIgnoreCase(codec_name, "G722")) {
+ packet_size_samples_ = packet_size / 2;
+ clockrate_hz = sampling_freq_hz / 2;
+ } else if (absl::EqualsIgnoreCase(codec_name, "OPUS")) {
+ packet_size_samples_ = packet_size;
+ num_channels = 2;
+ } else {
+ packet_size_samples_ = packet_size;
+ }
+
+ // Store the expected packet size in bytes, used to validate the received
+ // packet. If variable rate codec (extra_byte == -1), set to -1.
+ if (extra_byte != kVariableSize) {
+ // Add 0.875 to always round up to a whole byte
+ packet_size_bytes_ =
+ static_cast<size_t>(static_cast<float>(packet_size * rate) /
+ static_cast<float>(sampling_freq_hz * 8) +
+ 0.875) +
+ extra_byte;
+ } else {
+ // Packets will have a variable size.
+ packet_size_bytes_ = kVariableSize;
+ }
+
+ // Set pointer to the ACM where to register the codec.
+ AudioCodingModule* my_acm = NULL;
+ switch (side) {
+ case 'A': {
+ my_acm = acm_a_.get();
+ break;
+ }
+ case 'B': {
+ my_acm = acm_b_.get();
+ break;
+ }
+ default: {
+ break;
+ }
+ }
+ ASSERT_TRUE(my_acm != NULL);
+
+ auto factory = CreateBuiltinAudioEncoderFactory();
+ constexpr int payload_type = 17;
+ SdpAudioFormat format = {codec_name, clockrate_hz, num_channels};
+ format.parameters["ptime"] = rtc::ToString(rtc::CheckedDivExact(
+ packet_size, rtc::CheckedDivExact(sampling_freq_hz, 1000)));
+ my_acm->SetEncoder(
+ factory->MakeAudioEncoder(payload_type, format, absl::nullopt));
+}
+
+void TestAllCodecs::Run(TestPack* channel) {
+ AudioFrame audio_frame;
+
+ int32_t out_freq_hz = outfile_b_.SamplingFrequency();
+ size_t receive_size;
+ uint32_t timestamp_diff;
+ channel->reset_payload_size();
+ int error_count = 0;
+ int counter = 0;
+ // Set test length to 500 ms (50 blocks of 10 ms each).
+ infile_a_.SetNum10MsBlocksToRead(50);
+ // Fast-forward 1 second (100 blocks) since the file starts with silence.
+ infile_a_.FastForward(100);
+
+ while (!infile_a_.EndOfFile()) {
+ // Add 10 msec to ACM.
+ infile_a_.Read10MsData(audio_frame);
+ CHECK_ERROR(acm_a_->Add10MsData(audio_frame));
+
+ // Verify that the received packet size matches the settings.
+ receive_size = channel->payload_size();
+ if (receive_size) {
+ if ((receive_size != packet_size_bytes_) &&
+ (packet_size_bytes_ != kVariableSize)) {
+ error_count++;
+ }
+
+ // Verify that the timestamp is updated with expected length. The counter
+ // is used to avoid problems when switching codec or frame size in the
+ // test.
+ timestamp_diff = channel->timestamp_diff();
+ if ((counter > 10) &&
+ (static_cast<int>(timestamp_diff) != packet_size_samples_) &&
+ (packet_size_samples_ > -1))
+ error_count++;
+ }
+
+ // Run received side of ACM.
+ bool muted;
+ CHECK_ERROR(acm_b_->PlayoutData10Ms(out_freq_hz, &audio_frame, &muted));
+ ASSERT_FALSE(muted);
+
+ // Write output speech to file.
+ outfile_b_.Write10MsData(audio_frame.data(),
+ audio_frame.samples_per_channel_);
+
+ // Update loop counter
+ counter++;
+ }
+
+ EXPECT_EQ(0, error_count);
+
+ if (infile_a_.EndOfFile()) {
+ infile_a_.Rewind();
+ }
+}
+
+void TestAllCodecs::OpenOutFile(int test_number) {
+ std::string filename = webrtc::test::OutputPath();
+ rtc::StringBuilder test_number_str;
+ test_number_str << test_number;
+ filename += "testallcodecs_out_";
+ filename += test_number_str.str();
+ filename += ".pcm";
+ outfile_b_.Open(filename, 32000, "wb");
+}
+
+} // namespace webrtc