AudioCodingModuleTest.TestAllCodecs: Create audio encoders the new way
Specifically, don't expect the ACM to be able to create encoders; we
have to give it an encoder that we make ourselves.
To make it work, I had to add support for the "ptime" parameter to the
L16 codec.
Bug: webrtc:8396
Change-Id: I3869422882611d2eed65d6c849ea7cd3ad6bd126
Reviewed-on: https://webrtc-review.googlesource.com/87423
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24217}
diff --git a/api/audio_codecs/L16/BUILD.gn b/api/audio_codecs/L16/BUILD.gn
index b1160d4..9724805 100644
--- a/api/audio_codecs/L16/BUILD.gn
+++ b/api/audio_codecs/L16/BUILD.gn
@@ -24,6 +24,7 @@
"../../..:webrtc_common",
"../../../modules/audio_coding:pcm16b",
"../../../rtc_base:rtc_base_approved",
+ "../../../rtc_base:safe_minmax",
"//third_party/abseil-cpp/absl/memory",
"//third_party/abseil-cpp/absl/types:optional",
]
diff --git a/api/audio_codecs/L16/audio_encoder_L16.cc b/api/audio_codecs/L16/audio_encoder_L16.cc
index 35a3b98..b516f62 100644
--- a/api/audio_codecs/L16/audio_encoder_L16.cc
+++ b/api/audio_codecs/L16/audio_encoder_L16.cc
@@ -15,6 +15,8 @@
#include "modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h"
#include "modules/audio_coding/codecs/pcm16b/pcm16b_common.h"
#include "rtc_base/numerics/safe_conversions.h"
+#include "rtc_base/numerics/safe_minmax.h"
+#include "rtc_base/string_to_number.h"
namespace webrtc {
@@ -26,6 +28,13 @@
Config config;
config.sample_rate_hz = format.clockrate_hz;
config.num_channels = rtc::dchecked_cast<int>(format.num_channels);
+ auto ptime_iter = format.parameters.find("ptime");
+ if (ptime_iter != format.parameters.end()) {
+ const auto ptime = rtc::StringToNumber<int>(ptime_iter->second);
+ if (ptime && *ptime > 0) {
+ config.frame_size_ms = rtc::SafeClamp(10 * (*ptime / 10), 10, 60);
+ }
+ }
return STR_CASE_CMP(format.name.c_str(), "L16") == 0 && config.IsOk()
? absl::optional<Config>(config)
: absl::nullopt;
diff --git a/modules/audio_coding/BUILD.gn b/modules/audio_coding/BUILD.gn
index 8cda506..380f1bc 100644
--- a/modules/audio_coding/BUILD.gn
+++ b/modules/audio_coding/BUILD.gn
@@ -1327,6 +1327,7 @@
"../..:webrtc_common",
"../../api/audio:audio_frame_api",
"../../api/audio_codecs:builtin_audio_decoder_factory",
+ "../../api/audio_codecs:builtin_audio_encoder_factory",
"../../rtc_base:checks",
"../../rtc_base:rtc_base_approved",
"../../rtc_base/synchronization:rw_lock_wrapper",
diff --git a/modules/audio_coding/test/TestAllCodecs.cc b/modules/audio_coding/test/TestAllCodecs.cc
index f78b705..781337c 100644
--- a/modules/audio_coding/test/TestAllCodecs.cc
+++ b/modules/audio_coding/test/TestAllCodecs.cc
@@ -15,12 +15,14 @@
#include <string>
#include "api/audio_codecs/builtin_audio_decoder_factory.h"
+#include "api/audio_codecs/builtin_audio_encoder_factory.h"
#include "common_types.h" // NOLINT(build/include)
#include "modules/audio_coding/codecs/audio_format_conversion.h"
#include "modules/audio_coding/include/audio_coding_module.h"
#include "modules/audio_coding/include/audio_coding_module_typedefs.h"
#include "modules/audio_coding/test/utility.h"
#include "rtc_base/logging.h"
+#include "rtc_base/stringencode.h"
#include "test/gtest.h"
#include "test/testsupport/fileutils.h"
@@ -405,7 +407,14 @@
sampling_freq_hz, 1));
my_codec_param.rate = rate;
my_codec_param.pacsize = packet_size;
- CHECK_ERROR(my_acm->RegisterSendCodec(my_codec_param));
+
+ auto factory = CreateBuiltinAudioEncoderFactory();
+ constexpr int payload_type = 17;
+ SdpAudioFormat format = CodecInstToSdp(my_codec_param);
+ 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) {