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Make libaom_av1_encoder always build the libaom encoder.

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Currently `CreateLibaomAv1Encoder` will either return an actual libaom AV1 encoder or a nullptr depening on whether the build flag `enable_libaom` was configured to true or not. This CL updates the `libaom_av1_encoder` build target to no longer depend on `enable_libaom` so that `CreateLibaomAv1Encoder` will always return an encoder instance.

Added `CreateLibaomAv1EncoderIfSupported` as a replacement to the old `CreateLibaomAv1Encoder`.

Bug: webrtc:13573
Change-Id: Ibdcd52c609acd79feefa2b86f19d1b4ca3e91d0a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/242360
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Peter Hanspers <peterhanspers@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35763}
This commit is contained in:
philipel
2022-01-18 18:47:52 +01:00
committed by WebRTC LUCI CQ
parent 01ef37c08e
commit 95701503f2
15 changed files with 114 additions and 74 deletions
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44
modules/video_coding/codecs/av1/BUILD.gn
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@ -71,32 +71,46 @@ rtc_library("libaom_av1_encoder") {
visibility = [ "*" ]
poisonous = [ "software_video_codecs" ]
public = [ "libaom_av1_encoder.h" ]
sources = [ "libaom_av1_encoder.cc" ]
deps = [
"../..:video_codec_interface",
"../../../../api:scoped_refptr",
"../../../../api/video:encoded_image",
"../../../../api/video:video_frame",
"../../../../api/video_codecs:video_codecs_api",
"../../../../common_video",
"../../../../rtc_base:checks",
"../../../../rtc_base:logging",
"../../svc:scalability_structures",
"../../svc:scalable_video_controller",
"//third_party/libaom",
]
absl_deps = [
"//third_party/abseil-cpp/absl/algorithm:container",
"//third_party/abseil-cpp/absl/strings:strings",
"//third_party/abseil-cpp/absl/types:optional",
]
}
rtc_library("libaom_av1_encoder_if_supported") {
visibility = [ "*" ]
poisonous = [ "software_video_codecs" ]
public = [ "libaom_av1_encoder_supported.h" ]
sources = [ "libaom_av1_encoder_supported.cc" ]
deps = [
"../../../../api/video_codecs:video_codecs_api",
"../../svc:scalability_structures",
"../../svc:scalable_video_controller",
]
absl_deps = [
"//third_party/abseil-cpp/absl/algorithm:container",
"//third_party/abseil-cpp/absl/base:core_headers",
"//third_party/abseil-cpp/absl/strings:strings",
"//third_party/abseil-cpp/absl/types:optional",
]
defines = []
if (enable_libaom) {
sources = [ "libaom_av1_encoder.cc" ]
deps += [
"../..:video_codec_interface",
"../../../../api:scoped_refptr",
"../../../../api/video:encoded_image",
"../../../../api/video:video_frame",
"../../../../common_video",
"../../../../rtc_base:checks",
"../../../../rtc_base:logging",
"//third_party/libaom",
]
} else {
sources = [ "libaom_av1_encoder_absent.cc" ]
defines += [ "RTC_USE_LIBAOM_AV1_ENCODER" ]
deps += [ ":libaom_av1_encoder" ]
}
}

9
modules/video_coding/codecs/av1/libaom_av1_encoder.cc
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@ -820,17 +820,8 @@ VideoEncoder::EncoderInfo LibaomAv1Encoder::GetEncoderInfo() const {
} // namespace
const bool kIsLibaomAv1EncoderSupported = true;
std::unique_ptr<VideoEncoder> CreateLibaomAv1Encoder() {
return std::make_unique<LibaomAv1Encoder>();
}
bool LibaomAv1EncoderSupportsScalabilityMode(
absl::string_view scalability_mode) {
// For AV1, the scalability mode is supported if we can create the scalability
// structure.
return ScalabilityStructureConfig(scalability_mode) != absl::nullopt;
}
} // namespace webrtc

7
modules/video_coding/codecs/av1/libaom_av1_encoder.h
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@ -12,18 +12,11 @@
#include <memory>
#include "absl/base/attributes.h"
#include "absl/strings/string_view.h"
#include "api/video_codecs/video_encoder.h"
namespace webrtc {
ABSL_CONST_INIT extern const bool kIsLibaomAv1EncoderSupported;
std::unique_ptr<VideoEncoder> CreateLibaomAv1Encoder();
bool LibaomAv1EncoderSupportsScalabilityMode(
absl::string_view scalability_mode);
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_CODECS_AV1_LIBAOM_AV1_ENCODER_H_

29
modules/video_coding/codecs/av1/libaom_av1_encoder_absent.cc
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@ -1,29 +0,0 @@
/*
* Copyright (c) 2020 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/video_coding/codecs/av1/libaom_av1_encoder.h"
#include <memory>
#include "api/video_codecs/video_encoder.h"
namespace webrtc {
const bool kIsLibaomAv1EncoderSupported = false;
std::unique_ptr<VideoEncoder> CreateLibaomAv1Encoder() {
return nullptr;
}
bool LibaomAv1EncoderSupportsScalabilityMode(
absl::string_view scalability_mode) {
return false;
}
} // namespace webrtc

41
modules/video_coding/codecs/av1/libaom_av1_encoder_supported.cc Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (c) 2021 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/video_coding/codecs/av1/libaom_av1_encoder_supported.h"
#include "modules/video_coding/svc/create_scalability_structure.h"
#if defined(RTC_USE_LIBAOM_AV1_ENCODER)
#include "modules/video_coding/codecs/av1/libaom_av1_encoder.h" // nogncheck
#endif
namespace webrtc {
#if defined(RTC_USE_LIBAOM_AV1_ENCODER)
const bool kIsLibaomAv1EncoderSupported = true;
std::unique_ptr<VideoEncoder> CreateLibaomAv1EncoderIfSupported() {
return CreateLibaomAv1Encoder();
}
bool LibaomAv1EncoderSupportsScalabilityMode(
absl::string_view scalability_mode) {
// For libaom AV1, the scalability mode is supported if we can create the
// scalability structure.
return ScalabilityStructureConfig(scalability_mode) != absl::nullopt;
}
#else
const bool kIsLibaomAv1EncoderSupported = false;
std::unique_ptr<VideoEncoder> CreateLibaomAv1EncoderIfSupported() {
return nullptr;
}
bool LibaomAv1EncoderSupportsScalabilityMode(
absl::string_view scalability_mode) {
return false;
}
#endif
} // namespace webrtc

29
modules/video_coding/codecs/av1/libaom_av1_encoder_supported.h Normal file
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@ -0,0 +1,29 @@
/*
* Copyright (c) 2022 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.
*/
#ifndef MODULES_VIDEO_CODING_CODECS_AV1_LIBAOM_AV1_ENCODER_SUPPORTED_H_
#define MODULES_VIDEO_CODING_CODECS_AV1_LIBAOM_AV1_ENCODER_SUPPORTED_H_
#include <memory>
#include "absl/base/attributes.h"
#include "absl/strings/string_view.h"
#include "api/video_codecs/video_encoder.h"
namespace webrtc {
ABSL_CONST_INIT extern const bool kIsLibaomAv1EncoderSupported;
std::unique_ptr<VideoEncoder> CreateLibaomAv1EncoderIfSupported();
bool LibaomAv1EncoderSupportsScalabilityMode(
absl::string_view scalability_mode);
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_CODECS_AV1_LIBAOM_AV1_ENCODER_SUPPORTED_H_