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media / mojo / clients / mojo_codec_factory_mojo_decoder.cc [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/mojo/clients/mojo_codec_factory_mojo_decoder.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/synchronization/lock.h"
#include "base/task/sequenced_task_runner.h"
#include "media/base/overlay_info.h"
#include "media/mojo/clients/mojo_video_decoder.h"
#include "media/mojo/mojom/interface_factory.mojom.h"
#include "media/mojo/mojom/video_decoder.mojom.h"
#include "media/video/gpu_video_accelerator_factories.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#if BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
#include "media/base/media_switches.h"
#include "media/mojo/clients/mojo_stable_video_decoder.h"
#endif // BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
namespace media {
MojoCodecFactoryMojoDecoder::MojoCodecFactoryMojoDecoder(
scoped_refptr<base::SequencedTaskRunner> media_task_runner,
scoped_refptr<viz::ContextProviderCommandBuffer> context_provider,
bool video_decode_accelerator_enabled,
bool video_encode_accelerator_enabled,
mojo::PendingRemote<media::mojom::VideoEncodeAcceleratorProvider>
pending_vea_provider_remote,
mojo::PendingRemote<media::mojom::InterfaceFactory>
pending_interface_factory_remote)
: MojoCodecFactory(std::move(media_task_runner),
std::move(context_provider),
video_decode_accelerator_enabled,
video_encode_accelerator_enabled,
std::move(pending_vea_provider_remote)) {
media_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&MojoCodecFactoryMojoDecoder::BindOnTaskRunner,
base::Unretained(this),
std::move(pending_interface_factory_remote)));
}
MojoCodecFactoryMojoDecoder::~MojoCodecFactoryMojoDecoder() = default;
std::unique_ptr<media::VideoDecoder>
MojoCodecFactoryMojoDecoder::CreateVideoDecoder(
media::GpuVideoAcceleratorFactories* gpu_factories,
media::MediaLog* media_log,
media::RequestOverlayInfoCB request_overlay_info_cb,
const gfx::ColorSpace& rendering_color_space) {
DCHECK(video_decode_accelerator_enabled_);
DCHECK(interface_factory_.is_bound());
#if BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
switch (media::GetOutOfProcessVideoDecodingMode()) {
case media::OOPVDMode::kEnabledWithoutGpuProcessAsProxy: {
mojo::PendingRemote<media::stable::mojom::StableVideoDecoder>
stable_video_decoder_remote;
interface_factory_->CreateStableVideoDecoder(
stable_video_decoder_remote.InitWithNewPipeAndPassReceiver());
return std::make_unique<media::MojoStableVideoDecoder>(
media_task_runner_, gpu_factories, media_log,
std::move(stable_video_decoder_remote));
}
case media::OOPVDMode::kEnabledWithGpuProcessAsProxy:
case media::OOPVDMode::kDisabled:
break;
}
#endif // BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
mojo::PendingRemote<media::mojom::VideoDecoder> video_decoder;
interface_factory_->CreateVideoDecoder(
video_decoder.InitWithNewPipeAndPassReceiver(), /*dst_video_decoder=*/{});
return std::make_unique<media::MojoVideoDecoder>(
media_task_runner_, gpu_factories, media_log, std::move(video_decoder),
std::move(request_overlay_info_cb), rendering_color_space);
}
void MojoCodecFactoryMojoDecoder::BindOnTaskRunner(
mojo::PendingRemote<media::mojom::InterfaceFactory>
interface_factory_remote) {
DCHECK(media_task_runner_->RunsTasksInCurrentSequence());
DCHECK(context_provider_);
interface_factory_.Bind(std::move(interface_factory_remote));
if (!video_decode_accelerator_enabled_) {
OnDecoderSupportFailed();
return;
}
// Note: This is a bit of a hack, since we don't specify the implementation
// before asking for the map of supported configs. We do this because it
// (a) saves an ipc call, and (b) makes the return of those configs atomic.
//
// The remote might be disconnected if the decoding process crashes, for
// example a GPU driver failure. Set a disconnect handler to watch these
// types of failures and treat them as if there are no supported decoder
// configs.
// Unretained is safe since MojoCodecFactory is never destroyed.
// It lives until the process shuts down.
#if BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
switch (media::GetOutOfProcessVideoDecodingMode()) {
case media::OOPVDMode::kEnabledWithoutGpuProcessAsProxy: {
mojo::Remote<media::stable::mojom::StableVideoDecoder>
stable_video_decoder;
interface_factory_->CreateStableVideoDecoder(
stable_video_decoder.BindNewPipeAndPassReceiver());
stable_video_decoder.set_disconnect_handler(
base::BindOnce(&MojoCodecFactoryMojoDecoder::OnDecoderSupportFailed,
base::Unretained(this)));
stable_video_decoder->GetSupportedConfigs(base::BindOnce(
&MojoCodecFactoryMojoDecoder::OnGetSupportedDecoderConfigs,
base::Unretained(this)));
video_decoder_
.emplace<mojo::Remote<media::stable::mojom::StableVideoDecoder>>(
std::move(stable_video_decoder));
return;
}
case media::OOPVDMode::kEnabledWithGpuProcessAsProxy:
case media::OOPVDMode::kDisabled:
break;
}
#endif // BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
mojo::Remote<media::mojom::VideoDecoder> video_decoder;
interface_factory_->CreateVideoDecoder(
video_decoder.BindNewPipeAndPassReceiver(), /*dst_video_decoder=*/{});
video_decoder.set_disconnect_handler(
base::BindOnce(&MojoCodecFactoryMojoDecoder::OnDecoderSupportFailed,
base::Unretained(this)));
video_decoder->GetSupportedConfigs(
base::BindOnce(&MojoCodecFactoryMojoDecoder::OnGetSupportedDecoderConfigs,
base::Unretained(this)));
video_decoder_.emplace<mojo::Remote<media::mojom::VideoDecoder>>(
std::move(video_decoder));
}
void MojoCodecFactoryMojoDecoder::OnGetSupportedDecoderConfigs(
const media::SupportedVideoDecoderConfigs& supported_configs,
media::VideoDecoderType decoder_type) {
{
base::AutoLock lock(supported_profiles_lock_);
video_decoder_.emplace<mojo::Remote<media::mojom::VideoDecoder>>();
supported_decoder_configs_.emplace(supported_configs);
video_decoder_type_ = decoder_type;
}
MojoCodecFactory::OnGetSupportedDecoderConfigs();
}
} // namespace media