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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "FFmpegEncoderModule.h"
#include "FFmpegLog.h"
#include "FFmpegAudioEncoder.h"
#include "FFmpegUtils.h"
#include "FFmpegVideoEncoder.h"
// This must be the last header included
#include "FFmpegLibs.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/StaticPrefs_media.h"
using mozilla::media::EncodeSupport;
using mozilla::media::EncodeSupportSet;
namespace mozilla {
template <int V>
/* static */ void FFmpegEncoderModule<V>::Init(FFmpegLibWrapper* aLib) {
#if defined(MOZ_USE_HWDECODE)
# if defined(XP_WIN) && !defined(MOZ_FFVPX_AUDIOONLY)
if (XRE_IsContentProcess() || XRE_IsParentProcess()) {
return;
}
static constexpr AVCodecID kCodecIDs[] = {
AV_CODEC_ID_AV1,
AV_CODEC_ID_VP9,
};
for (const auto& codecId : kCodecIDs) {
const auto* codec =
FFmpegDataEncoder<V>::FindHardwareEncoder(aLib, codecId);
if (!codec) {
MOZ_LOG(
sPEMLog, LogLevel::Debug,
("No codec or encoder for %s on d3d11va", AVCodecToString(codecId)));
continue;
}
for (int i = 0;
const AVCodecHWConfig* config = aLib->avcodec_get_hw_config(codec, i);
++i) {
if (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX) {
sSupportedHWCodecs.AppendElement(static_cast<uint32_t>(codecId));
MOZ_LOG(sPEMLog, LogLevel::Debug,
("Support %s on d3d11va", AVCodecToString(codecId)));
break;
}
}
}
# elif MOZ_WIDGET_GTK
if (XRE_IsContentProcess()) {
return;
}
// UseXXXHWEncode are already set in gfxPlatform at the startup.
# define ADD_HW_CODEC(codec) \
if (gfx::gfxVars::Use##codec##HwEncode()) { \
sSupportedHWCodecs.AppendElement( \
static_cast<uint32_t>(AV_CODEC_ID_##codec)); \
}
// These patented video codecs can only be encoded via hardware by using
// the system ffmpeg, not supported by ffvpx.
# ifndef FFVPX_VERSION
ADD_HW_CODEC(H264);
# if LIBAVCODEC_VERSION_MAJOR >= 55
ADD_HW_CODEC(HEVC);
# endif
# endif // !FFVPX_VERSION
// The following royalty-free video codecs can be encoded via hardware using
// ffvpx.
# if LIBAVCODEC_VERSION_MAJOR >= 54
ADD_HW_CODEC(VP8);
# endif
# if LIBAVCODEC_VERSION_MAJOR >= 55
ADD_HW_CODEC(VP9);
# endif
# if LIBAVCODEC_VERSION_MAJOR >= 59
ADD_HW_CODEC(AV1);
# endif
for (const auto& codec : sSupportedHWCodecs) {
MOZ_LOG(sPEMLog, LogLevel::Debug,
("Support %s for hw encoding",
AVCodecToString(static_cast<AVCodecID>(codec))));
}
# undef ADD_HW_CODEC
# endif // XP_WIN, MOZ_WIDGET_GTK
#endif // MOZ_USE_HWDECODE
} // namespace mozilla
template <int V>
EncodeSupportSet FFmpegEncoderModule<V>::Supports(
const EncoderConfig& aConfig) const {
if (!CanLikelyEncode(aConfig)) {
return EncodeSupportSet{};
}
// We only support L1T2 and L1T3 ScalabilityMode in VPX and AV1 encoders via
// libvpx and libaom for now.
if ((aConfig.mScalabilityMode != ScalabilityMode::None)) {
if (aConfig.mCodec == CodecType::AV1) {
// libaom only supports SVC in CBR mode.
if (aConfig.mBitrateMode != BitrateMode::Constant) {
return EncodeSupportSet{};
}
} else if (aConfig.mCodec != CodecType::VP8 &&
aConfig.mCodec != CodecType::VP9) {
return EncodeSupportSet{};
}
}
return SupportsCodec(aConfig.mCodec);
}
template <int V>
EncodeSupportSet FFmpegEncoderModule<V>::SupportsCodec(CodecType aCodec) const {
AVCodecID id = GetFFmpegEncoderCodecId<V>(aCodec);
if (id == AV_CODEC_ID_NONE) {
return EncodeSupportSet{};
}
EncodeSupportSet supports;
if (StaticPrefs::media_ffvpx_hw_enabled() &&
FFmpegDataEncoder<V>::FindHardwareEncoder(mLib, id) &&
sSupportedHWCodecs.Contains(static_cast<uint32_t>(id))) {
supports += EncodeSupport::HardwareEncode;
}
if (FFmpegDataEncoder<V>::FindSoftwareEncoder(mLib, id)) {
supports += EncodeSupport::SoftwareEncode;
}
return supports;
}
template <int V>
already_AddRefed<MediaDataEncoder> FFmpegEncoderModule<V>::CreateVideoEncoder(
const EncoderConfig& aConfig, const RefPtr<TaskQueue>& aTaskQueue) const {
AVCodecID codecId = GetFFmpegEncoderCodecId<V>(aConfig.mCodec);
if (codecId == AV_CODEC_ID_NONE) {
FFMPEGV_LOG("No ffmpeg encoder for %s", GetCodecTypeString(aConfig.mCodec));
return nullptr;
}
RefPtr<MediaDataEncoder> encoder =
new FFmpegVideoEncoder<V>(mLib, codecId, aTaskQueue, aConfig);
FFMPEGV_LOG("ffmpeg %s encoder: %s has been created",
GetCodecTypeString(aConfig.mCodec),
encoder->GetDescriptionName().get());
return encoder.forget();
}
template <int V>
already_AddRefed<MediaDataEncoder> FFmpegEncoderModule<V>::CreateAudioEncoder(
const EncoderConfig& aConfig, const RefPtr<TaskQueue>& aTaskQueue) const {
AVCodecID codecId = GetFFmpegEncoderCodecId<V>(aConfig.mCodec);
if (codecId == AV_CODEC_ID_NONE) {
FFMPEGV_LOG("No ffmpeg encoder for %s", GetCodecTypeString(aConfig.mCodec));
return nullptr;
}
RefPtr<MediaDataEncoder> encoder =
new FFmpegAudioEncoder<V>(mLib, codecId, aTaskQueue, aConfig);
FFMPEGA_LOG("ffmpeg %s encoder: %s has been created",
GetCodecTypeString(aConfig.mCodec),
encoder->GetDescriptionName().get());
return encoder.forget();
}
template class FFmpegEncoderModule<LIBAV_VER>;
} // namespace mozilla