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AppleEncoderModule.cpp (1924B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "AppleEncoderModule.h"
      8 
      9 #include "AppleUtils.h"
     10 #include "AppleVTEncoder.h"
     11 #include "VideoUtils.h"
     12 
     13 using mozilla::media::EncodeSupport;
     14 using mozilla::media::EncodeSupportSet;
     15 
     16 namespace mozilla {
     17 
     18 extern LazyLogModule sPEMLog;
     19 #define LOGE(fmt, ...)                       \
     20  MOZ_LOG(sPEMLog, mozilla::LogLevel::Error, \
     21          ("[AppleEncoderModule] %s: " fmt, __func__, ##__VA_ARGS__))
     22 #define LOGD(fmt, ...)                       \
     23  MOZ_LOG(sPEMLog, mozilla::LogLevel::Debug, \
     24          ("[AppleEncoderModule] %s: " fmt, __func__, ##__VA_ARGS__))
     25 
     26 EncodeSupportSet AppleEncoderModule::SupportsCodec(CodecType aCodec) const {
     27  if (aCodec != CodecType::H264) {
     28    return EncodeSupportSet{};
     29  }
     30  return EncodeSupportSet{EncodeSupport::HardwareEncode,
     31                          EncodeSupport::SoftwareEncode};
     32 }
     33 
     34 EncodeSupportSet AppleEncoderModule::Supports(
     35    const EncoderConfig& aConfig) const {
     36  if (!CanLikelyEncode(aConfig)) {
     37    return EncodeSupportSet{};
     38  }
     39  // Only two temporal layers supported, and only from 11.3 and more recent
     40  if (aConfig.mScalabilityMode == ScalabilityMode::L1T3 ||
     41      (aConfig.mScalabilityMode != ScalabilityMode::None && !OSSupportsSVC())) {
     42    return EncodeSupportSet{};
     43  }
     44  return SupportsCodec(aConfig.mCodec);
     45 }
     46 
     47 already_AddRefed<MediaDataEncoder> AppleEncoderModule::CreateVideoEncoder(
     48    const EncoderConfig& aConfig, const RefPtr<TaskQueue>& aTaskQueue) const {
     49  RefPtr<MediaDataEncoder> encoder(new AppleVTEncoder(aConfig, aTaskQueue));
     50  return encoder.forget();
     51 }
     52 
     53 #undef LOGE
     54 #undef LOGD
     55 
     56 }  // namespace mozilla