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AudioCodingModuleTest.TestAllCodecs: Create audio encoders the new way

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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}
This commit is contained in:
Karl Wiberg
2018-07-06 15:40:14 +02:00
committed by Commit Bot
parent 191f46c5c1
commit 133cff009b
4 changed files with 21 additions and 1 deletions
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1
api/audio_codecs/L16/BUILD.gn
View File

@ -24,6 +24,7 @@ rtc_static_library("audio_encoder_L16") {
"../../..: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",
]

9
api/audio_codecs/L16/audio_encoder_L16.cc
View File

@ -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 @@ absl::optional<AudioEncoderL16::Config> AudioEncoderL16::SdpToConfig(
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;