Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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 "FFmpegVideoEncoder.h"
// This must be the last header included
#include "FFmpegLibs.h"
namespace mozilla {
template <int V>
bool FFmpegEncoderModule<V>::Supports(const EncoderConfig& aConfig) const {
if (!CanLikelyEncode(aConfig)) {
return false;
}
// 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 false;
}
} else if (aConfig.mCodec != CodecType::VP8 &&
aConfig.mCodec != CodecType::VP9) {
return false;
}
}
return SupportsCodec(aConfig.mCodec);
}
template <int V>
bool FFmpegEncoderModule<V>::SupportsCodec(CodecType aCodec) const {
AVCodecID id = GetFFmpegEncoderCodecId<V>(aCodec);
if (id == AV_CODEC_ID_NONE) {
return false;
}
return !!FFmpegDataEncoder<V>::FindEncoderWithPreference(mLib, id);
}
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