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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/media/fuchsia_media_codec_provider_impl.h"
#include <fuchsia/media/cpp/fidl.h>
#include <fuchsia/mediacodec/cpp/fidl.h>
#include <lib/fit/function.h>
#include <lib/sys/cpp/component_context.h>
#include <optional>
#include "base/command_line.h"
#include "base/fuchsia/fuchsia_logging.h"
#include "base/fuchsia/process_context.h"
#include "media/base/supported_video_decoder_config.h"
#include "media/base/video_codecs.h"
namespace content {
namespace {
std::optional<std::string> GetMimeTypeForVideoCodec(media::VideoCodec codec) {
switch (codec) {
case media::VideoCodec::kH264:
return "video/h264";
case media::VideoCodec::kVP8:
return "video/vp8";
case media::VideoCodec::kVP9:
return "video/vp9";
case media::VideoCodec::kHEVC:
return "video/hevc";
case media::VideoCodec::kAV1:
return "video/av1";
case media::VideoCodec::kVC1:
case media::VideoCodec::kMPEG2:
case media::VideoCodec::kMPEG4:
case media::VideoCodec::kTheora:
case media::VideoCodec::kDolbyVision:
return std::nullopt;
case media::VideoCodec::kUnknown:
break;
}
NOTREACHED();
}
media::VideoCodecProfile ConvertToVideoCodecProfile(
const fuchsia::media::CodecProfile& profile) {
switch (profile) {
case fuchsia::media::CodecProfile::H264PROFILE_BASELINE:
return media::VideoCodecProfile::H264PROFILE_BASELINE;
case fuchsia::media::CodecProfile::H264PROFILE_MAIN:
return media::VideoCodecProfile::H264PROFILE_MAIN;
case fuchsia::media::CodecProfile::H264PROFILE_EXTENDED:
return media::VideoCodecProfile::H264PROFILE_EXTENDED;
case fuchsia::media::CodecProfile::H264PROFILE_HIGH:
return media::VideoCodecProfile::H264PROFILE_HIGH;
case fuchsia::media::CodecProfile::H264PROFILE_HIGH10PROFILE:
return media::VideoCodecProfile::H264PROFILE_HIGH10PROFILE;
case fuchsia::media::CodecProfile::H264PROFILE_HIGH422PROFILE:
return media::VideoCodecProfile::H264PROFILE_HIGH422PROFILE;
case fuchsia::media::CodecProfile::H264PROFILE_HIGH444PREDICTIVEPROFILE:
return media::VideoCodecProfile::H264PROFILE_HIGH444PREDICTIVEPROFILE;
case fuchsia::media::CodecProfile::H264PROFILE_SCALABLEBASELINE:
return media::VideoCodecProfile::H264PROFILE_SCALABLEBASELINE;
case fuchsia::media::CodecProfile::H264PROFILE_SCALABLEHIGH:
return media::VideoCodecProfile::H264PROFILE_SCALABLEHIGH;
case fuchsia::media::CodecProfile::H264PROFILE_STEREOHIGH:
return media::VideoCodecProfile::H264PROFILE_STEREOHIGH;
case fuchsia::media::CodecProfile::H264PROFILE_MULTIVIEWHIGH:
return media::VideoCodecProfile::H264PROFILE_MULTIVIEWHIGH;
case fuchsia::media::CodecProfile::VP8PROFILE_ANY:
return media::VideoCodecProfile::VP8PROFILE_ANY;
case fuchsia::media::CodecProfile::VP9PROFILE_PROFILE0:
return media::VideoCodecProfile::VP9PROFILE_PROFILE0;
case fuchsia::media::CodecProfile::VP9PROFILE_PROFILE1:
return media::VideoCodecProfile::VP9PROFILE_PROFILE1;
case fuchsia::media::CodecProfile::VP9PROFILE_PROFILE2:
return media::VideoCodecProfile::VP9PROFILE_PROFILE2;
case fuchsia::media::CodecProfile::VP9PROFILE_PROFILE3:
return media::VideoCodecProfile::VP9PROFILE_PROFILE3;
case fuchsia::media::CodecProfile::HEVCPROFILE_MAIN:
return media::VideoCodecProfile::HEVCPROFILE_MAIN;
case fuchsia::media::CodecProfile::HEVCPROFILE_MAIN10:
return media::VideoCodecProfile::HEVCPROFILE_MAIN10;
case fuchsia::media::CodecProfile::HEVCPROFILE_MAIN_STILL_PICTURE:
return media::VideoCodecProfile::HEVCPROFILE_MAIN_STILL_PICTURE;
default:
NOTIMPLEMENTED() << "Unknown codec profile: " << profile;
return media::VideoCodecProfile::VIDEO_CODEC_PROFILE_UNKNOWN;
}
}
media::SupportedVideoDecoderConfigs GetSupportedVideoDecoderConfigsForCodecList(
const std::vector<fuchsia::mediacodec::DetailedCodecDescription>&
detailed_codec_list) {
media::SupportedVideoDecoderConfigs configs;
for (const auto& codec_description : detailed_codec_list) {
if (!codec_description.has_codec_type() || !codec_description.has_is_hw() ||
!codec_description.has_mime_type() ||
!codec_description.has_profile_descriptions()) {
LOG(WARNING) << "Missing required fields when parsing the "
"DetailedCodecDescription. Skipped.";
continue;
}
if (
// Only use platform codecs that are accelerated.
!codec_description.is_hw() ||
// Exclude non-video codecs.
codec_description.mime_type().find("video") != 0 ||
// Exclude non-decoder codecs.
codec_description.codec_type() !=
fuchsia::mediacodec::CodecType::DECODER ||
!codec_description.profile_descriptions()
.is_decoder_profile_descriptions()) {
continue;
}
for (const auto& profile_description :
codec_description.profile_descriptions()
.decoder_profile_descriptions()) {
if (!profile_description.has_profile() ||
!profile_description.has_min_image_size() ||
!profile_description.has_max_image_size()) {
LOG(WARNING) << "Missing required fields when parsing the "
"DecoderProfileDescription. Skipped.";
continue;
}
const auto video_codec_profile =
ConvertToVideoCodecProfile(profile_description.profile());
if (video_codec_profile ==
media::VideoCodecProfile::VIDEO_CODEC_PROFILE_UNKNOWN) {
continue;
}
configs.emplace_back(
video_codec_profile, video_codec_profile,
gfx::Size(profile_description.min_image_size().width,
profile_description.min_image_size().height),
gfx::Size(profile_description.max_image_size().width,
profile_description.max_image_size().height),
profile_description.has_allow_encryption()
? profile_description.allow_encryption()
: false,
profile_description.has_require_encryption()
? profile_description.require_encryption()
: false);
}
}
return configs;
}
} // namespace
FuchsiaMediaCodecProviderImpl::FuchsiaMediaCodecProviderImpl() = default;
FuchsiaMediaCodecProviderImpl::~FuchsiaMediaCodecProviderImpl() = default;
void FuchsiaMediaCodecProviderImpl::AddReceiver(
mojo::PendingReceiver<media::mojom::FuchsiaMediaCodecProvider> receiver) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
receivers_.Add(this, std::move(receiver));
}
// media::mojom::FuchsiaMediaCodecProvider implementation.
void FuchsiaMediaCodecProviderImpl::CreateVideoDecoder(
media::VideoCodec codec,
media::mojom::VideoDecoderSecureMemoryMode secure_mode,
fidl::InterfaceRequest<fuchsia::media::StreamProcessor>
stream_processor_request) {
fuchsia::mediacodec::CreateDecoder_Params decoder_params;
// Set format details ordinal to 0. Decoder doesn't change the format, so
// the value doesn't matter.
decoder_params.mutable_input_details()->set_format_details_version_ordinal(0);
auto mime_type = GetMimeTypeForVideoCodec(codec);
if (!mime_type) {
// Drop `stream_processor_request` if the codec is not supported.
return;
}
decoder_params.mutable_input_details()->set_mime_type(mime_type.value());
switch (secure_mode) {
case media::mojom::VideoDecoderSecureMemoryMode::CLEAR:
// Use defaults for non-secure mode.
break;
case media::mojom::VideoDecoderSecureMemoryMode::SECURE:
decoder_params.set_secure_input_mode(
fuchsia::mediacodec::SecureMemoryMode::ON);
decoder_params.set_secure_output_mode(
fuchsia::mediacodec::SecureMemoryMode::ON);
break;
case media::mojom::VideoDecoderSecureMemoryMode::SECURE_OUTPUT:
decoder_params.set_secure_output_mode(
fuchsia::mediacodec::SecureMemoryMode::ON);
break;
}
// Video demuxers return each video frame in a separate packet. This field
// must be set to get frame timestamps on the decoder output.
decoder_params.set_promise_separate_access_units_on_input(true);
// We use `fuchsia.mediacodec` only for hardware decoders. Renderer will
// handle software decoding if hardware decoder is not available.
decoder_params.set_require_hw(true);
auto decoder_factory = base::ComponentContextForProcess()
->svc()
->Connect<fuchsia::mediacodec::CodecFactory>();
decoder_factory->CreateDecoder(std::move(decoder_params),
std::move(stream_processor_request));
}
void FuchsiaMediaCodecProviderImpl::GetSupportedVideoDecoderConfigs(
GetSupportedVideoDecoderConfigsCallback callback) {
EnsureCodecFactory();
pending_get_supported_vd_configs_callbacks_.emplace_back(std::move(callback));
if (supported_video_decoder_configs_) {
RunPendingGetSupportedVideoDecoderConfigsCallbacks();
}
}
// End of media::mojom::FuchsiaMediaCodecProvider implementation.
void FuchsiaMediaCodecProviderImpl::EnsureCodecFactory() {
if (codec_factory_)
return;
base::ComponentContextForProcess()
->svc()
->Connect<fuchsia::mediacodec::CodecFactory>(codec_factory_.NewRequest());
codec_factory_.set_error_handler(fit::bind_member(
this, &FuchsiaMediaCodecProviderImpl::OnCodecFactoryDisconnected));
codec_factory_->GetDetailedCodecDescriptions(fit::bind_member(
this, &FuchsiaMediaCodecProviderImpl::OnGetDetailedCodecDescriptions));
}
void FuchsiaMediaCodecProviderImpl::OnCodecFactoryDisconnected(
zx_status_t status) {
ZX_LOG(ERROR, status) << "fuchsia.mediacodec.CodecFactory disconnected.";
supported_video_decoder_configs_.reset();
RunPendingGetSupportedVideoDecoderConfigsCallbacks();
}
void FuchsiaMediaCodecProviderImpl::OnGetDetailedCodecDescriptions(
fuchsia::mediacodec::CodecFactoryGetDetailedCodecDescriptionsResponse
response) {
if (response.has_codecs()) {
supported_video_decoder_configs_.emplace(
GetSupportedVideoDecoderConfigsForCodecList(response.codecs()));
}
RunPendingGetSupportedVideoDecoderConfigsCallbacks();
}
void FuchsiaMediaCodecProviderImpl::
RunPendingGetSupportedVideoDecoderConfigsCallbacks() {
media::SupportedVideoDecoderConfigs configs =
supported_video_decoder_configs_.value_or(
std::vector<media::SupportedVideoDecoderConfig>{});
for (auto& callback :
std::exchange(pending_get_supported_vd_configs_callbacks_, {})) {
std::move(callback).Run(configs);
}
}
} // namespace content
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