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cobalt / cobalt / 08336faa599332e3e3bf29b7ad38ef023018b55e / . / third_party / chromium / media / gpu / vaapi / vaapi_video_decode_accelerator.cc
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/gpu/vaapi/vaapi_video_decode_accelerator.h"
#include <string.h>
#include <va/va.h>
#include <memory>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/containers/contains.h"
#include "base/containers/cxx20_erase.h"
#include "base/cpu.h"
#include "base/files/scoped_file.h"
#include "base/json/json_writer.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/metrics/histogram_macros.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/synchronization/waitable_event.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/trace_event/memory_dump_manager.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "gpu/ipc/service/gpu_channel.h"
#include "media/base/bind_to_current_loop.h"
#include "media/base/format_utils.h"
#include "media/base/media_log.h"
#include "media/base/unaligned_shared_memory.h"
#include "media/base/video_util.h"
#include "media/gpu/accelerated_video_decoder.h"
#include "media/gpu/h264_decoder.h"
#include "media/gpu/macros.h"
#include "media/gpu/vaapi/h264_vaapi_video_decoder_delegate.h"
#include "media/gpu/vaapi/vaapi_common.h"
#include "media/gpu/vaapi/vaapi_picture.h"
#include "media/gpu/vaapi/vaapi_utils.h"
#include "media/gpu/vaapi/vp8_vaapi_video_decoder_delegate.h"
#include "media/gpu/vaapi/vp9_vaapi_video_decoder_delegate.h"
#include "media/gpu/vp8_decoder.h"
#include "media/gpu/vp9_decoder.h"
#include "media/video/picture.h"
#include "ui/base/ui_base_features.h"
#include "ui/gl/gl_image.h"
namespace media {
namespace {
// Returns the preferred VA_RT_FORMAT for the given |profile|.
unsigned int GetVaFormatForVideoCodecProfile(VideoCodecProfile profile) {
if (profile == VP9PROFILE_PROFILE2 || profile == VP9PROFILE_PROFILE3)
return VA_RT_FORMAT_YUV420_10BPP;
return VA_RT_FORMAT_YUV420;
}
// Returns true if the CPU is an Intel Gemini Lake or later (including Kaby
// Lake) Cpu platform id's are referenced from the following file in kernel
// source arch/x86/include/asm/intel-family.h
bool IsGeminiLakeOrLater() {
constexpr int kPentiumAndLaterFamily = 0x06;
constexpr int kGeminiLakeModelId = 0x7A;
static base::CPU cpuid;
static bool is_geminilake_or_later =
cpuid.family() == kPentiumAndLaterFamily &&
cpuid.model() >= kGeminiLakeModelId;
return is_geminilake_or_later;
}
} // namespace
#define RETURN_AND_NOTIFY_ON_FAILURE(result, log, error_code, ret) \
do { \
if (!(result)) { \
LOG(ERROR) << log; \
NotifyError(error_code); \
return ret; \
} \
} while (0)
#define RETURN_AND_NOTIFY_ON_STATUS(status, ret) \
do { \
if (!status.is_ok()) { \
NotifyStatus(status); \
return ret; \
} \
} while (0)
class VaapiVideoDecodeAccelerator::InputBuffer {
public:
InputBuffer() : buffer_(nullptr) {}
InputBuffer(int32_t id,
scoped_refptr<DecoderBuffer> buffer,
base::OnceCallback<void(int32_t id)> release_cb)
: id_(id),
buffer_(std::move(buffer)),
release_cb_(std::move(release_cb)) {}
InputBuffer(const InputBuffer&) = delete;
InputBuffer& operator=(const InputBuffer&) = delete;
~InputBuffer() {
DVLOGF(4) << "id = " << id_;
if (release_cb_)
std::move(release_cb_).Run(id_);
}
// Indicates this is a dummy buffer for flush request.
bool IsFlushRequest() const { return !buffer_; }
int32_t id() const { return id_; }
const scoped_refptr<DecoderBuffer>& buffer() const { return buffer_; }
private:
const int32_t id_ = -1;
const scoped_refptr<DecoderBuffer> buffer_;
base::OnceCallback<void(int32_t id)> release_cb_;
};
void VaapiVideoDecodeAccelerator::NotifyStatus(Status status) {
DCHECK(!status.is_ok());
// Send a platform notification error
NotifyError(PLATFORM_FAILURE);
// TODO(crbug.com/1103510) there is no MediaLog here, we should change that.
std::string output_str;
base::JSONWriter::Write(MediaSerialize(status), &output_str);
DLOG(ERROR) << output_str;
}
void VaapiVideoDecodeAccelerator::NotifyError(Error error) {
if (!task_runner_->BelongsToCurrentThread()) {
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
task_runner_->PostTask(
FROM_HERE, base::BindOnce(&VaapiVideoDecodeAccelerator::NotifyError,
weak_this_, error));
return;
}
VLOGF(1) << "Notifying of error " << error;
if (client_) {
client_->NotifyError(error);
client_ptr_factory_.reset();
}
}
VaapiVideoDecodeAccelerator::VaapiVideoDecodeAccelerator(
const MakeGLContextCurrentCallback& make_context_current_cb,
const BindGLImageCallback& bind_image_cb)
: state_(kUninitialized),
input_ready_(&lock_),
buffer_allocation_mode_(BufferAllocationMode::kNormal),
surfaces_available_(&lock_),
va_surface_format_(VA_INVALID_ID),
task_runner_(base::ThreadTaskRunnerHandle::Get()),
decoder_thread_("VaapiDecoderThread"),
finish_flush_pending_(false),
awaiting_va_surfaces_recycle_(false),
requested_num_pics_(0),
requested_num_reference_frames_(0),
previously_requested_num_reference_frames_(0),
profile_(VIDEO_CODEC_PROFILE_UNKNOWN),
make_context_current_cb_(make_context_current_cb),
bind_image_cb_(bind_image_cb),
weak_this_factory_(this) {
weak_this_ = weak_this_factory_.GetWeakPtr();
va_surface_recycle_cb_ = BindToCurrentLoop(base::BindRepeating(
&VaapiVideoDecodeAccelerator::RecycleVASurface, weak_this_));
base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
this, "media::VaapiVideoDecodeAccelerator",
base::ThreadTaskRunnerHandle::Get());
}
VaapiVideoDecodeAccelerator::~VaapiVideoDecodeAccelerator() {
DCHECK(task_runner_->BelongsToCurrentThread());
base::trace_event::MemoryDumpManager::GetInstance()->UnregisterDumpProvider(
this);
}
bool VaapiVideoDecodeAccelerator::Initialize(const Config& config,
Client* client) {
DCHECK(task_runner_->BelongsToCurrentThread());
vaapi_picture_factory_ = std::make_unique<VaapiPictureFactory>();
if (config.is_encrypted()) {
NOTREACHED() << "Encrypted streams are not supported for this VDA";
return false;
}
client_ptr_factory_.reset(new base::WeakPtrFactory<Client>(client));
client_ = client_ptr_factory_->GetWeakPtr();
VideoCodecProfile profile = config.profile;
base::AutoLock auto_lock(lock_);
DCHECK_EQ(state_, kUninitialized);
VLOGF(2) << "Initializing VAVDA, profile: " << GetProfileName(profile);
vaapi_wrapper_ = VaapiWrapper::CreateForVideoCodec(
VaapiWrapper::kDecode, profile, EncryptionScheme::kUnencrypted,
base::BindRepeating(&ReportVaapiErrorToUMA,
"Media.VaapiVideoDecodeAccelerator.VAAPIError"));
UMA_HISTOGRAM_BOOLEAN("Media.VAVDA.VaapiWrapperCreationSuccess",
vaapi_wrapper_.get());
if (!vaapi_wrapper_.get()) {
VLOGF(1) << "Failed initializing VAAPI for profile "
<< GetProfileName(profile);
return false;
}
if (profile >= H264PROFILE_MIN && profile <= H264PROFILE_MAX) {
auto accelerator =
std::make_unique<H264VaapiVideoDecoderDelegate>(this, vaapi_wrapper_);
decoder_delegate_ = accelerator.get();
decoder_.reset(new H264Decoder(std::move(accelerator), profile,
config.container_color_space));
} else if (profile >= VP8PROFILE_MIN && profile <= VP8PROFILE_MAX) {
auto accelerator =
std::make_unique<VP8VaapiVideoDecoderDelegate>(this, vaapi_wrapper_);
decoder_delegate_ = accelerator.get();
decoder_.reset(new VP8Decoder(std::move(accelerator)));
} else if (profile >= VP9PROFILE_MIN && profile <= VP9PROFILE_MAX) {
auto accelerator =
std::make_unique<VP9VaapiVideoDecoderDelegate>(this, vaapi_wrapper_);
decoder_delegate_ = accelerator.get();
decoder_.reset(new VP9Decoder(std::move(accelerator), profile,
config.container_color_space));
} else {
VLOGF(1) << "Unsupported profile " << GetProfileName(profile);
return false;
}
CHECK(decoder_thread_.Start());
decoder_thread_task_runner_ = decoder_thread_.task_runner();
state_ = kIdle;
profile_ = profile;
output_mode_ = config.output_mode;
buffer_allocation_mode_ = DecideBufferAllocationMode();
previously_requested_num_reference_frames_ = 0;
return true;
}
void VaapiVideoDecodeAccelerator::OutputPicture(
scoped_refptr<VASurface> va_surface,
int32_t input_id,
gfx::Rect visible_rect,
const VideoColorSpace& picture_color_space) {
DCHECK(task_runner_->BelongsToCurrentThread());
const VASurfaceID va_surface_id = va_surface->id();
VaapiPicture* picture = nullptr;
{
base::AutoLock auto_lock(lock_);
int32_t picture_buffer_id = available_picture_buffers_.front();
if (buffer_allocation_mode_ == BufferAllocationMode::kNone) {
// Find the |pictures_| entry matching |va_surface_id|.
for (const auto& id_and_picture : pictures_) {
if (id_and_picture.second->va_surface_id() == va_surface_id) {
picture_buffer_id = id_and_picture.first;
break;
}
}
}
picture = pictures_[picture_buffer_id].get();
DCHECK(base::Contains(available_picture_buffers_, picture_buffer_id));
base::Erase(available_picture_buffers_, picture_buffer_id);
}
DCHECK(picture) << " could not find " << va_surface_id << " available";
const int32_t output_id = picture->picture_buffer_id();
DVLOGF(4) << "Outputting VASurface " << va_surface->id()
<< " into pixmap bound to picture buffer id " << output_id;
if (buffer_allocation_mode_ != BufferAllocationMode::kNone) {
TRACE_EVENT2("media,gpu", "VAVDA::DownloadFromSurface", "input_id",
input_id, "output_id", output_id);
RETURN_AND_NOTIFY_ON_FAILURE(picture->DownloadFromSurface(va_surface),
"Failed putting surface into pixmap",
PLATFORM_FAILURE, );
}
{
base::AutoLock auto_lock(lock_);
TRACE_COUNTER_ID2("media,gpu", "Vaapi frames at client", this, "used",
pictures_.size() - available_picture_buffers_.size(),
"available", available_picture_buffers_.size());
}
DVLOGF(4) << "Notifying output picture id " << output_id << " for input "
<< input_id
<< " is ready. visible rect: " << visible_rect.ToString();
if (!client_)
return;
Picture client_picture(output_id, input_id, visible_rect,
picture_color_space.ToGfxColorSpace(),
picture->AllowOverlay());
client_picture.set_read_lock_fences_enabled(true);
// Notify the |client_| a picture is ready to be consumed.
client_->PictureReady(client_picture);
}
void VaapiVideoDecodeAccelerator::TryOutputPicture() {
DCHECK(task_runner_->BelongsToCurrentThread());
// Handle Destroy() arriving while pictures are queued for output.
if (!client_)
return;
{
base::AutoLock auto_lock(lock_);
if (pending_output_cbs_.empty() || available_picture_buffers_.empty())
return;
}
auto output_cb = std::move(pending_output_cbs_.front());
pending_output_cbs_.pop();
std::move(output_cb).Run();
if (finish_flush_pending_ && pending_output_cbs_.empty())
FinishFlush();
}
void VaapiVideoDecodeAccelerator::QueueInputBuffer(
scoped_refptr<DecoderBuffer> buffer,
int32_t bitstream_id) {
DVLOGF(4) << "Queueing new input buffer id: " << bitstream_id
<< " size: " << (buffer->end_of_stream() ? 0 : buffer->data_size());
DCHECK(task_runner_->BelongsToCurrentThread());
TRACE_EVENT1("media,gpu", "QueueInputBuffer", "input_id", bitstream_id);
base::AutoLock auto_lock(lock_);
if (buffer->end_of_stream()) {
auto flush_buffer = std::make_unique<InputBuffer>();
DCHECK(flush_buffer->IsFlushRequest());
input_buffers_.push(std::move(flush_buffer));
} else {
auto input_buffer = std::make_unique<InputBuffer>(
bitstream_id, std::move(buffer),
BindToCurrentLoop(
base::BindOnce(&Client::NotifyEndOfBitstreamBuffer, client_)));
input_buffers_.push(std::move(input_buffer));
}
TRACE_COUNTER1("media,gpu", "Vaapi input buffers", input_buffers_.size());
input_ready_.Signal();
switch (state_) {
case kIdle:
state_ = kDecoding;
decoder_thread_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&VaapiVideoDecodeAccelerator::DecodeTask,
base::Unretained(this)));
break;
case kDecoding:
// Decoder already running.
break;
case kResetting:
// When resetting, allow accumulating bitstream buffers, so that
// the client can queue after-seek-buffers while we are finishing with
// the before-seek one.
break;
default:
LOG(ERROR) << "Decode/Flush request from client in invalid state: "
<< state_;
NotifyError(PLATFORM_FAILURE);
break;
}
}
bool VaapiVideoDecodeAccelerator::GetCurrInputBuffer_Locked() {
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
lock_.AssertAcquired();
if (curr_input_buffer_.get())
return true;
// Will only wait if it is expected that in current state new buffers will
// be queued from the client via Decode(). The state can change during wait.
while (input_buffers_.empty() && (state_ == kDecoding || state_ == kIdle))
input_ready_.Wait();
// We could have got woken up in a different state or never got to sleep
// due to current state.
if (state_ != kDecoding && state_ != kIdle)
return false;
DCHECK(!input_buffers_.empty());
curr_input_buffer_ = std::move(input_buffers_.front());
input_buffers_.pop();
TRACE_COUNTER1("media,gpu", "Vaapi input buffers", input_buffers_.size());
if (curr_input_buffer_->IsFlushRequest()) {
DVLOGF(4) << "New flush buffer";
return true;
}
DVLOGF(4) << "New |curr_input_buffer_|, id: " << curr_input_buffer_->id()
<< " size: " << curr_input_buffer_->buffer()->data_size() << "B";
decoder_->SetStream(curr_input_buffer_->id(), *curr_input_buffer_->buffer());
return true;
}
void VaapiVideoDecodeAccelerator::ReturnCurrInputBuffer_Locked() {
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
lock_.AssertAcquired();
DCHECK(curr_input_buffer_.get());
curr_input_buffer_.reset();
}
// TODO(posciak): refactor the whole class to remove sleeping in wait for
// surfaces, and reschedule DecodeTask instead.
bool VaapiVideoDecodeAccelerator::WaitForSurfaces_Locked() {
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
lock_.AssertAcquired();
while (available_va_surfaces_.empty() &&
(state_ == kDecoding || state_ == kIdle)) {
surfaces_available_.Wait();
}
return state_ == kDecoding || state_ == kIdle;
}
void VaapiVideoDecodeAccelerator::DecodeTask() {
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
base::AutoLock auto_lock(lock_);
if (state_ != kDecoding)
return;
DVLOGF(4) << "Decode task";
// Try to decode what stream data is (still) in the decoder until we run out
// of it.
while (GetCurrInputBuffer_Locked()) {
DCHECK(curr_input_buffer_.get());
if (curr_input_buffer_->IsFlushRequest()) {
FlushTask();
break;
}
AcceleratedVideoDecoder::DecodeResult res;
{
// We are OK releasing the lock here, as decoder never calls our methods
// directly and we will reacquire the lock before looking at state again.
// This is the main decode function of the decoder and while keeping
// the lock for its duration would be fine, it would defeat the purpose
// of having a separate decoder thread.
base::AutoUnlock auto_unlock(lock_);
TRACE_EVENT0("media,gpu", "VAVDA::Decode");
res = decoder_->Decode();
}
switch (res) {
case AcceleratedVideoDecoder::kConfigChange: {
const uint8_t bit_depth = decoder_->GetBitDepth();
RETURN_AND_NOTIFY_ON_FAILURE(
bit_depth == 8u,
"Unsupported bit depth: " << base::strict_cast<int>(bit_depth),
PLATFORM_FAILURE, );
// The visible rect should be a subset of the picture size. Otherwise,
// the encoded stream is bad.
const gfx::Size pic_size = decoder_->GetPicSize();
const gfx::Rect visible_rect = decoder_->GetVisibleRect();
RETURN_AND_NOTIFY_ON_FAILURE(
gfx::Rect(pic_size).Contains(visible_rect),
"The visible rectangle is not contained by the picture size",
UNREADABLE_INPUT, );
VLOGF(2) << "Decoder requesting a new set of surfaces";
size_t required_num_of_pictures = decoder_->GetRequiredNumOfPictures();
if (buffer_allocation_mode_ == BufferAllocationMode::kNone &&
profile_ >= H264PROFILE_MIN && profile_ <= H264PROFILE_MAX) {
// For H.264, the decoder might request too few pictures. In
// BufferAllocationMode::kNone, this can cause us to do a lot of busy
// work waiting for picture buffers to come back from the client (see
// crbug.com/910986#c32). This is a workaround to increase the
// likelihood that we don't have to wait on buffers to come back from
// the client. |kNumOfPics| is picked to mirror the value returned by
// VP9Decoder::GetRequiredNumOfPictures().
constexpr size_t kMinNumOfPics = 13u;
required_num_of_pictures =
std::max(kMinNumOfPics, required_num_of_pictures);
}
// Notify |decoder_delegate_| of an imminent VAContextID destruction, so
// it can destroy any internal structures making use of it.
decoder_delegate_->OnVAContextDestructionSoon();
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(
&VaapiVideoDecodeAccelerator::InitiateSurfaceSetChange,
weak_this_, required_num_of_pictures, pic_size,
decoder_->GetNumReferenceFrames(), visible_rect));
// We'll get rescheduled once ProvidePictureBuffers() finishes.
return;
}
case AcceleratedVideoDecoder::kRanOutOfStreamData:
ReturnCurrInputBuffer_Locked();
break;
case AcceleratedVideoDecoder::kRanOutOfSurfaces:
// No more output buffers in the decoder, try getting more or go to
// sleep waiting for them.
if (!WaitForSurfaces_Locked())
return;
break;
case AcceleratedVideoDecoder::kNeedContextUpdate:
// This should not happen as we return false from
// IsFrameContextRequired().
NOTREACHED() << "Context updates not supported";
return;
case AcceleratedVideoDecoder::kDecodeError:
RETURN_AND_NOTIFY_ON_FAILURE(false, "Error decoding stream",
PLATFORM_FAILURE, );
return;
case AcceleratedVideoDecoder::kTryAgain:
NOTREACHED() << "Should not reach here unless this class accepts "
"encrypted streams.";
RETURN_AND_NOTIFY_ON_FAILURE(false, "Error decoding stream",
PLATFORM_FAILURE, );
return;
}
}
}
void VaapiVideoDecodeAccelerator::InitiateSurfaceSetChange(
size_t num_pics,
gfx::Size size,
size_t num_reference_frames,
const gfx::Rect& visible_rect) {
DCHECK(task_runner_->BelongsToCurrentThread());
DCHECK(!awaiting_va_surfaces_recycle_);
DCHECK_GT(num_pics, num_reference_frames);
// At this point decoder has stopped running and has already posted onto our
// loop any remaining output request callbacks, which executed before we got
// here. Some of them might have been pended though, because we might not have
// had enough PictureBuffers to output surfaces to. Initiate a wait cycle,
// which will wait for client to return enough PictureBuffers to us, so that
// we can finish all pending output callbacks, releasing associated surfaces.
awaiting_va_surfaces_recycle_ = true;
requested_pic_size_ = size;
requested_visible_rect_ = visible_rect;
if (buffer_allocation_mode_ == BufferAllocationMode::kSuperReduced) {
// Add one to the reference frames for the one being currently egressed.
requested_num_reference_frames_ = num_reference_frames + 1;
requested_num_pics_ = num_pics - num_reference_frames;
} else if (buffer_allocation_mode_ == BufferAllocationMode::kReduced) {
// Add one to the reference frames for the one being currently egressed,
// and an extra allocation for both |client_| and |decoder_|.
requested_num_reference_frames_ = num_reference_frames + 2;
requested_num_pics_ = num_pics - num_reference_frames + 1;
} else {
requested_num_reference_frames_ = 0;
requested_num_pics_ = num_pics + num_extra_pics_;
}
VLOGF(2) << " |requested_num_pics_| = " << requested_num_pics_
<< "; |requested_num_reference_frames_| = "
<< requested_num_reference_frames_;
TryFinishSurfaceSetChange();
}
void VaapiVideoDecodeAccelerator::TryFinishSurfaceSetChange() {
DCHECK(task_runner_->BelongsToCurrentThread());
if (!awaiting_va_surfaces_recycle_)
return;
base::AutoLock auto_lock(lock_);
const size_t expected_max_available_va_surfaces =
IsBufferAllocationModeReducedOrSuperReduced()
? previously_requested_num_reference_frames_
: pictures_.size();
if (!pending_output_cbs_.empty() ||
expected_max_available_va_surfaces != available_va_surfaces_.size()) {
// If we're here the stream resolution has changed; we need to wait until:
// - all |pending_output_cbs_| have been executed
// - all VASurfaces are back to |available_va_surfaces_|; we can't use
// |requested_num_reference_frames_| for comparison, since it might have
// changed in the previous call to InitiateSurfaceSetChange(), so we use
// |previously_requested_num_reference_frames_| instead.
DVLOGF(2) << "Awaiting pending output/surface release callbacks to finish";
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&VaapiVideoDecodeAccelerator::TryFinishSurfaceSetChange,
weak_this_));
return;
}
previously_requested_num_reference_frames_ = requested_num_reference_frames_;
// All surfaces released, destroy them and dismiss all PictureBuffers.
awaiting_va_surfaces_recycle_ = false;
const VideoCodecProfile new_profile = decoder_->GetProfile();
if (profile_ != new_profile) {
profile_ = new_profile;
auto new_vaapi_wrapper = VaapiWrapper::CreateForVideoCodec(
VaapiWrapper::kDecode, profile_, EncryptionScheme::kUnencrypted,
base::BindRepeating(&ReportVaapiErrorToUMA,
"Media.VaapiVideoDecodeAccelerator.VAAPIError"));
RETURN_AND_NOTIFY_ON_FAILURE(new_vaapi_wrapper.get(),
"Failed creating VaapiWrapper",
INVALID_ARGUMENT, );
decoder_delegate_->set_vaapi_wrapper(new_vaapi_wrapper.get());
vaapi_wrapper_ = std::move(new_vaapi_wrapper);
} else {
vaapi_wrapper_->DestroyContext();
}
available_va_surfaces_.clear();
for (auto iter = pictures_.begin(); iter != pictures_.end(); ++iter) {
VLOGF(2) << "Dismissing picture id: " << iter->first;
if (client_)
client_->DismissPictureBuffer(iter->first);
}
pictures_.clear();
// And ask for a new set as requested.
VLOGF(2) << "Requesting " << requested_num_pics_
<< " pictures of size: " << requested_pic_size_.ToString()
<< " and visible rectangle = " << requested_visible_rect_.ToString();
const absl::optional<VideoPixelFormat> format =
GfxBufferFormatToVideoPixelFormat(
vaapi_picture_factory_->GetBufferFormat());
CHECK(format);
task_runner_->PostTask(
FROM_HERE, base::BindOnce(&Client::ProvidePictureBuffersWithVisibleRect,
client_, requested_num_pics_, *format, 1,
requested_pic_size_, requested_visible_rect_,
vaapi_picture_factory_->GetGLTextureTarget()));
// |client_| may respond via AssignPictureBuffers().
}
void VaapiVideoDecodeAccelerator::Decode(BitstreamBuffer bitstream_buffer) {
Decode(bitstream_buffer.ToDecoderBuffer(), bitstream_buffer.id());
}
void VaapiVideoDecodeAccelerator::Decode(scoped_refptr<DecoderBuffer> buffer,
int32_t bitstream_id) {
DCHECK(task_runner_->BelongsToCurrentThread());
TRACE_EVENT1("media,gpu", "VAVDA::Decode", "Buffer id", bitstream_id);
if (bitstream_id < 0) {
LOG(ERROR) << "Invalid bitstream_buffer, id: " << bitstream_id;
NotifyError(INVALID_ARGUMENT);
return;
}
if (!buffer) {
if (client_)
client_->NotifyEndOfBitstreamBuffer(bitstream_id);
return;
}
QueueInputBuffer(std::move(buffer), bitstream_id);
}
void VaapiVideoDecodeAccelerator::AssignPictureBuffers(
const std::vector<PictureBuffer>& buffers) {
DCHECK(task_runner_->BelongsToCurrentThread());
base::AutoLock auto_lock(lock_);
DCHECK(pictures_.empty());
available_picture_buffers_.clear();
RETURN_AND_NOTIFY_ON_FAILURE(
buffers.size() >= requested_num_pics_,
"Got an invalid number of picture buffers. (Got " << buffers.size()
<< ", requested " << requested_num_pics_ << ")", INVALID_ARGUMENT, );
// requested_pic_size_ can be adjusted by VDA client. We should update
// |requested_pic_size_| by buffers[0].size(). But AMD driver doesn't decode
// frames correctly if the surface stride is different from the width of a
// coded size.
// TODO(b/139460315): Save buffers[0].size() as |adjusted_size_| once the
// AMD driver issue is resolved.
va_surface_format_ = GetVaFormatForVideoCodecProfile(profile_);
std::vector<VASurfaceID> va_surface_ids;
scoped_refptr<VaapiWrapper> vaapi_wrapper_for_picture = vaapi_wrapper_;
const bool requires_vpp =
vaapi_picture_factory_->NeedsProcessingPipelineForDownloading();
// If we aren't in BufferAllocationMode::kNone mode and the VaapiPicture
// implementation we get from |vaapi_picture_factory_| requires the video
// processing pipeline for downloading the decoded frame from the internal
// surface, we need to create a |vpp_vaapi_wrapper_|.
if (requires_vpp && buffer_allocation_mode_ != BufferAllocationMode::kNone) {
if (!vpp_vaapi_wrapper_) {
vpp_vaapi_wrapper_ = VaapiWrapper::Create(
VaapiWrapper::kVideoProcess, VAProfileNone,
EncryptionScheme::kUnencrypted,
base::BindRepeating(
&ReportVaapiErrorToUMA,
"Media.VaapiVideoDecodeAccelerator.Vpp.VAAPIError"));
RETURN_AND_NOTIFY_ON_FAILURE(vpp_vaapi_wrapper_,
"Failed to initialize VppVaapiWrapper",
PLATFORM_FAILURE, );
// Size is irrelevant for a VPP context.
RETURN_AND_NOTIFY_ON_FAILURE(
vpp_vaapi_wrapper_->CreateContext(gfx::Size()),
"Failed to create Context", PLATFORM_FAILURE, );
}
vaapi_wrapper_for_picture = vpp_vaapi_wrapper_;
}
for (size_t i = 0; i < buffers.size(); ++i) {
// TODO(b/139460315): Create with buffers[i] once the AMD driver issue is
// resolved.
PictureBuffer buffer = buffers[i];
buffer.set_size(requested_pic_size_);
// Note that the |size_to_bind| is not relevant in IMPORT mode.
const gfx::Size size_to_bind =
(output_mode_ == Config::OutputMode::ALLOCATE)
? GetRectSizeFromOrigin(requested_visible_rect_)
: gfx::Size();
std::unique_ptr<VaapiPicture> picture = vaapi_picture_factory_->Create(
vaapi_wrapper_for_picture, make_context_current_cb_, bind_image_cb_,
buffer, size_to_bind);
RETURN_AND_NOTIFY_ON_FAILURE(picture, "Failed creating a VaapiPicture",
PLATFORM_FAILURE, );
if (output_mode_ == Config::OutputMode::ALLOCATE) {
RETURN_AND_NOTIFY_ON_STATUS(
picture->Allocate(vaapi_picture_factory_->GetBufferFormat()), );
available_picture_buffers_.push_back(buffers[i].id());
VASurfaceID va_surface_id = picture->va_surface_id();
if (va_surface_id != VA_INVALID_ID)
va_surface_ids.push_back(va_surface_id);
}
DCHECK(!base::Contains(pictures_, buffers[i].id()));
pictures_[buffers[i].id()] = std::move(picture);
surfaces_available_.Signal();
}
base::RepeatingCallback<void(VASurfaceID)> va_surface_release_cb;
// If we aren't in BufferAllocationMode::kNone, we use |va_surface_ids| for
// decode, otherwise ask |vaapi_wrapper_| to allocate them for us.
if (buffer_allocation_mode_ == BufferAllocationMode::kNone) {
DCHECK(!va_surface_ids.empty());
RETURN_AND_NOTIFY_ON_FAILURE(
vaapi_wrapper_->CreateContext(requested_pic_size_),
"Failed creating VA Context", PLATFORM_FAILURE, );
DCHECK_EQ(va_surface_ids.size(), buffers.size());
va_surface_release_cb = base::DoNothing();
} else {
const size_t requested_num_surfaces =
IsBufferAllocationModeReducedOrSuperReduced()
? requested_num_reference_frames_
: pictures_.size();
CHECK_NE(requested_num_surfaces, 0u);
va_surface_ids.clear();
RETURN_AND_NOTIFY_ON_FAILURE(
vaapi_wrapper_->CreateContextAndSurfaces(
va_surface_format_, requested_pic_size_,
{VaapiWrapper::SurfaceUsageHint::kVideoDecoder},
requested_num_surfaces, &va_surface_ids),
"Failed creating VA Surfaces", PLATFORM_FAILURE, );
va_surface_release_cb =
base::BindRepeating(&VaapiWrapper::DestroySurface, vaapi_wrapper_);
}
for (const VASurfaceID va_surface_id : va_surface_ids) {
available_va_surfaces_.emplace_back(std::make_unique<ScopedVASurfaceID>(
va_surface_id, va_surface_release_cb));
}
// Resume DecodeTask if it is still in decoding state.
if (state_ == kDecoding) {
decoder_thread_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&VaapiVideoDecodeAccelerator::DecodeTask,
base::Unretained(this)));
}
}
#if defined(USE_OZONE)
void VaapiVideoDecodeAccelerator::ImportBufferForPicture(
int32_t picture_buffer_id,
VideoPixelFormat pixel_format,
gfx::GpuMemoryBufferHandle gpu_memory_buffer_handle) {
VLOGF(2) << "Importing picture id: " << picture_buffer_id;
DCHECK(task_runner_->BelongsToCurrentThread());
if (output_mode_ != Config::OutputMode::IMPORT) {
LOG(ERROR) << "Cannot import in non-import mode";
NotifyError(INVALID_ARGUMENT);
return;
}
{
base::AutoLock auto_lock(lock_);
if (!pictures_.count(picture_buffer_id)) {
// It's possible that we've already posted a DismissPictureBuffer for this
// picture, but it has not yet executed when this ImportBufferForPicture
// was posted to us by the client. In that case just ignore this (we've
// already dismissed it and accounted for that).
DVLOGF(3) << "got picture id=" << picture_buffer_id
<< " not in use (anymore?).";
return;
}
auto buffer_format = VideoPixelFormatToGfxBufferFormat(pixel_format);
if (!buffer_format) {
LOG(ERROR) << "Unsupported format: " << pixel_format;
NotifyError(INVALID_ARGUMENT);
return;
}
VaapiPicture* picture = pictures_[picture_buffer_id].get();
if (!picture->ImportGpuMemoryBufferHandle(
*buffer_format, std::move(gpu_memory_buffer_handle))) {
// ImportGpuMemoryBufferHandle will close the handles even on failure, so
// we don't need to do this ourselves.
LOG(ERROR) << "Failed to import GpuMemoryBufferHandle";
NotifyError(PLATFORM_FAILURE);
return;
}
}
ReusePictureBuffer(picture_buffer_id);
}
#endif
void VaapiVideoDecodeAccelerator::ReusePictureBuffer(
int32_t picture_buffer_id) {
DVLOGF(4) << "picture id=" << picture_buffer_id;
DCHECK(task_runner_->BelongsToCurrentThread());
TRACE_EVENT1("media,gpu", "VAVDA::ReusePictureBuffer", "Picture id",
picture_buffer_id);
{
base::AutoLock auto_lock(lock_);
if (!pictures_.count(picture_buffer_id)) {
// It's possible that we've already posted a DismissPictureBuffer for this
// picture, but it has not yet executed when this ReusePictureBuffer
// was posted to us by the client. In that case just ignore this (we've
// already dismissed it and accounted for that).
DVLOGF(3) << "got picture id=" << picture_buffer_id
<< " not in use (anymore?).";
return;
}
available_picture_buffers_.push_back(picture_buffer_id);
TRACE_COUNTER_ID2("media,gpu", "Vaapi frames at client", this, "used",
pictures_.size() - available_picture_buffers_.size(),
"available", available_picture_buffers_.size());
}
TryOutputPicture();
}
void VaapiVideoDecodeAccelerator::FlushTask() {
VLOGF(2);
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
DCHECK(curr_input_buffer_ && curr_input_buffer_->IsFlushRequest());
curr_input_buffer_.reset();
// First flush all the pictures that haven't been outputted, notifying the
// client to output them.
bool res = decoder_->Flush();
RETURN_AND_NOTIFY_ON_FAILURE(res, "Failed flushing the decoder.",
PLATFORM_FAILURE, );
// Put the decoder in idle state, ready to resume.
decoder_->Reset();
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&VaapiVideoDecodeAccelerator::FinishFlush, weak_this_));
}
void VaapiVideoDecodeAccelerator::Flush() {
VLOGF(2) << "Got flush request";
DCHECK(task_runner_->BelongsToCurrentThread());
QueueInputBuffer(DecoderBuffer::CreateEOSBuffer(), -1);
}
void VaapiVideoDecodeAccelerator::FinishFlush() {
VLOGF(2);
DCHECK(task_runner_->BelongsToCurrentThread());
finish_flush_pending_ = false;
base::AutoLock auto_lock(lock_);
if (state_ != kDecoding) {
DCHECK(state_ == kDestroying || state_ == kResetting) << state_;
return;
}
// Still waiting for textures from client to finish outputting all pending
// frames. Try again later.
if (!pending_output_cbs_.empty()) {
finish_flush_pending_ = true;
return;
}
// Resume decoding if necessary.
if (input_buffers_.empty()) {
state_ = kIdle;
} else {
decoder_thread_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&VaapiVideoDecodeAccelerator::DecodeTask,
base::Unretained(this)));
}
task_runner_->PostTask(FROM_HERE,
base::BindOnce(&Client::NotifyFlushDone, client_));
}
void VaapiVideoDecodeAccelerator::ResetTask() {
VLOGF(2);
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
// All the decoding tasks from before the reset request from client are done
// by now, as this task was scheduled after them and client is expected not
// to call Decode() after Reset() and before NotifyResetDone.
decoder_->Reset();
base::AutoLock auto_lock(lock_);
// Return current input buffer, if present.
if (curr_input_buffer_)
ReturnCurrInputBuffer_Locked();
// And let client know that we are done with reset.
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&VaapiVideoDecodeAccelerator::FinishReset, weak_this_));
}
void VaapiVideoDecodeAccelerator::Reset() {
VLOGF(2) << "Got reset request";
DCHECK(task_runner_->BelongsToCurrentThread());
// This will make any new decode tasks exit early.
base::AutoLock auto_lock(lock_);
state_ = kResetting;
finish_flush_pending_ = false;
// Drop all remaining input buffers, if present.
while (!input_buffers_.empty())
input_buffers_.pop();
TRACE_COUNTER1("media,gpu", "Vaapi input buffers", input_buffers_.size());
decoder_thread_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&VaapiVideoDecodeAccelerator::ResetTask,
base::Unretained(this)));
input_ready_.Signal();
surfaces_available_.Signal();
}
void VaapiVideoDecodeAccelerator::FinishReset() {
VLOGF(2);
DCHECK(task_runner_->BelongsToCurrentThread());
base::AutoLock auto_lock(lock_);
if (state_ != kResetting) {
DCHECK(state_ == kDestroying || state_ == kUninitialized) << state_;
return; // We could've gotten destroyed already.
}
// Drop pending outputs.
while (!pending_output_cbs_.empty())
pending_output_cbs_.pop();
if (awaiting_va_surfaces_recycle_) {
// Decoder requested a new surface set while we were waiting for it to
// finish the last DecodeTask, running at the time of Reset().
// Let the surface set change finish first before resetting.
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&VaapiVideoDecodeAccelerator::FinishReset, weak_this_));
return;
}
state_ = kIdle;
task_runner_->PostTask(FROM_HERE,
base::BindOnce(&Client::NotifyResetDone, client_));
// The client might have given us new buffers via Decode() while we were
// resetting and might be waiting for our move, and not call Decode() anymore
// until we return something. Post a DecodeTask() so that we won't
// sleep forever waiting for Decode() in that case. Having two of them
// in the pipe is harmless, the additional one will return as soon as it sees
// that we are back in kDecoding state.
if (!input_buffers_.empty()) {
state_ = kDecoding;
decoder_thread_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&VaapiVideoDecodeAccelerator::DecodeTask,
base::Unretained(this)));
}
}
void VaapiVideoDecodeAccelerator::Cleanup() {
DCHECK(task_runner_->BelongsToCurrentThread());
base::AutoLock auto_lock(lock_);
if (state_ == kUninitialized || state_ == kDestroying)
return;
VLOGF(2) << "Destroying VAVDA";
state_ = kDestroying;
// Call DismissPictureBuffer() to notify |client_| that the picture buffers
// are no longer used and thus |client_| shall release them. If |client_| has
// been invalidated in NotifyError(),|client_| will be destroyed shortly. The
// destruction should release all the PictureBuffers.
if (client_) {
for (const auto& id_and_picture : pictures_)
client_->DismissPictureBuffer(id_and_picture.first);
}
pictures_.clear();
client_ptr_factory_.reset();
weak_this_factory_.InvalidateWeakPtrs();
// TODO(mcasas): consider deleting |decoder_| on
// |decoder_thread_task_runner_|, https://crbug.com/789160.
// Signal all potential waiters on the decoder_thread_, let them early-exit,
// as we've just moved to the kDestroying state, and wait for all tasks
// to finish.
input_ready_.Signal();
surfaces_available_.Signal();
{
base::AutoUnlock auto_unlock(lock_);
decoder_thread_.Stop();
}
if (buffer_allocation_mode_ != BufferAllocationMode::kNone)
available_va_surfaces_.clear();
// Notify |decoder_delegate_| of an imminent VAContextID destruction, so it
// can destroy any internal structures making use of it. At this point
// |decoder_thread_| is stopped so we can access |decoder_delegate_| from
// |task_runner_|.
decoder_delegate_->OnVAContextDestructionSoon();
vaapi_wrapper_->DestroyContext();
if (vpp_vaapi_wrapper_)
vpp_vaapi_wrapper_->DestroyContext();
state_ = kUninitialized;
}
void VaapiVideoDecodeAccelerator::Destroy() {
DCHECK(task_runner_->BelongsToCurrentThread());
Cleanup();
delete this;
}
bool VaapiVideoDecodeAccelerator::TryToSetupDecodeOnSeparateThread(
const base::WeakPtr<Client>& decode_client,
const scoped_refptr<base::SingleThreadTaskRunner>& decode_task_runner) {
return false;
}
void VaapiVideoDecodeAccelerator::SurfaceReady(
scoped_refptr<VASurface> dec_surface,
int32_t bitstream_id,
const gfx::Rect& visible_rect,
const VideoColorSpace& color_space) {
if (!task_runner_->BelongsToCurrentThread()) {
task_runner_->PostTask(
FROM_HERE, base::BindOnce(&VaapiVideoDecodeAccelerator::SurfaceReady,
weak_this_, std::move(dec_surface),
bitstream_id, visible_rect, color_space));
return;
}
DCHECK(!awaiting_va_surfaces_recycle_);
{
base::AutoLock auto_lock(lock_);
// Drop any requests to output if we are resetting or being destroyed.
if (state_ == kResetting || state_ == kDestroying)
return;
}
pending_output_cbs_.push(base::BindOnce(
&VaapiVideoDecodeAccelerator::OutputPicture, weak_this_,
std::move(dec_surface), bitstream_id, visible_rect, color_space));
TryOutputPicture();
}
scoped_refptr<VASurface> VaapiVideoDecodeAccelerator::CreateSurface() {
DCHECK(decoder_thread_task_runner_->BelongsToCurrentThread());
base::AutoLock auto_lock(lock_);
if (available_va_surfaces_.empty())
return nullptr;
DCHECK_NE(VA_INVALID_ID, va_surface_format_);
DCHECK(!awaiting_va_surfaces_recycle_);
if (buffer_allocation_mode_ != BufferAllocationMode::kNone) {
auto va_surface_id = std::move(available_va_surfaces_.front());
const VASurfaceID id = va_surface_id->id();
available_va_surfaces_.pop_front();
TRACE_COUNTER_ID2("media,gpu", "Vaapi VASurfaceIDs", this, "used",
(IsBufferAllocationModeReducedOrSuperReduced()
? requested_num_reference_frames_
: pictures_.size()) -
available_va_surfaces_.size(),
"available", available_va_surfaces_.size());
return new VASurface(
id, requested_pic_size_, va_surface_format_,
base::BindOnce(va_surface_recycle_cb_, std::move(va_surface_id)));
}
// Find the first |available_va_surfaces_| id such that the associated
// |pictures_| entry is marked as |available_picture_buffers_|. In practice,
// we will quickly find an available |va_surface_id|.
for (auto it = available_va_surfaces_.begin();
it != available_va_surfaces_.end(); ++it) {
const VASurfaceID va_surface_id = (*it)->id();
for (const auto& id_and_picture : pictures_) {
if (id_and_picture.second->va_surface_id() == va_surface_id &&
base::Contains(available_picture_buffers_, id_and_picture.first)) {
// Remove |va_surface_id| from the list of availables, and use the id
// to return a new VASurface.
auto va_surface = std::move(*it);
available_va_surfaces_.erase(it);
return new VASurface(
va_surface_id, requested_pic_size_, va_surface_format_,
base::BindOnce(va_surface_recycle_cb_, std::move(va_surface)));
}
}
}
return nullptr;
}
void VaapiVideoDecodeAccelerator::RecycleVASurface(
std::unique_ptr<ScopedVASurfaceID> va_surface,
// We don't use |va_surface_id| but it must be here because this method is
// bound as VASurface::ReleaseCB.
VASurfaceID /*va_surface_id*/) {
DCHECK(task_runner_->BelongsToCurrentThread());
{
base::AutoLock auto_lock(lock_);
available_va_surfaces_.push_back(std::move(va_surface));
if (buffer_allocation_mode_ != BufferAllocationMode::kNone) {
TRACE_COUNTER_ID2("media,gpu", "Vaapi VASurfaceIDs", this, "used",
(IsBufferAllocationModeReducedOrSuperReduced()
? requested_num_reference_frames_
: pictures_.size()) -
available_va_surfaces_.size(),
"available", available_va_surfaces_.size());
}
surfaces_available_.Signal();
}
TryOutputPicture();
}
// static
VideoDecodeAccelerator::SupportedProfiles
VaapiVideoDecodeAccelerator::GetSupportedProfiles() {
VideoDecodeAccelerator::SupportedProfiles profiles =
VaapiWrapper::GetSupportedDecodeProfiles();
// VaVDA never supported VP9 Profile 2, AV1 and HEVC, but VaapiWrapper does.
// Filter them out.
base::EraseIf(profiles, [](const auto& profile) {
VideoCodec codec = VideoCodecProfileToVideoCodec(profile.profile);
return profile.profile == VP9PROFILE_PROFILE2 ||
codec == VideoCodec::kAV1 || codec == VideoCodec::kHEVC;
});
return profiles;
}
VaapiVideoDecodeAccelerator::BufferAllocationMode
VaapiVideoDecodeAccelerator::DecideBufferAllocationMode() {
#if BUILDFLAG(USE_VAAPI_X11)
// The IMPORT mode is used for Android on Chrome OS, so this doesn't apply
// here.
DCHECK_NE(output_mode_, VideoDecodeAccelerator::Config::OutputMode::IMPORT);
// TODO(crbug/1116701): get video decode acceleration working with ozone.
// For H.264 on older devices, another +1 is experimentally needed for
// high-to-high resolution changes.
// TODO(mcasas): Figure out why and why only H264, see crbug.com/912295 and
// http://crrev.com/c/1363807/9/media/gpu/h264_decoder.cc#1449.
if (profile_ >= H264PROFILE_MIN && profile_ <= H264PROFILE_MAX)
return BufferAllocationMode::kReduced;
return BufferAllocationMode::kSuperReduced;
#else
// TODO(crbug.com/912295): Enable a better BufferAllocationMode for IMPORT
// |output_mode_| as well.
if (output_mode_ == VideoDecodeAccelerator::Config::OutputMode::IMPORT)
return BufferAllocationMode::kNormal;
// On Gemini Lake, Kaby Lake and later we can pass to libva the client's
// PictureBuffers to decode onto, which skips the use of the Vpp unit and its
// associated format reconciliation copy, avoiding all internal buffer
// allocations.
// TODO(crbug.com/911754): Enable for VP9 Profile 2.
if (IsGeminiLakeOrLater() &&
(profile_ == VP9PROFILE_PROFILE0 || profile_ == VP8PROFILE_ANY ||
(profile_ >= H264PROFILE_MIN && profile_ <= H264PROFILE_MAX))) {
// Add one to the reference frames for the one being currently egressed, and
// an extra allocation for both |client_| and |decoder_|, see
// crrev.com/c/1576560.
if (profile_ == VP8PROFILE_ANY)
num_extra_pics_ = 3;
return BufferAllocationMode::kNone;
}
// For H.264 on older devices, another +1 is experimentally needed for
// high-to-high resolution changes.
// TODO(mcasas): Figure out why and why only H264, see crbug.com/912295 and
// http://crrev.com/c/1363807/9/media/gpu/h264_decoder.cc#1449.
if (profile_ >= H264PROFILE_MIN && profile_ <= H264PROFILE_MAX)
return BufferAllocationMode::kReduced;
// If we're here, we have to use the Vpp unit and allocate buffers for
// |decoder_|; usually we'd have to allocate the |decoder_|s
// GetRequiredNumOfPictures() internally, we can allocate just |decoder_|s
// GetNumReferenceFrames() + 1. Moreover, we also request the |client_| to
// allocate less than the usual |decoder_|s GetRequiredNumOfPictures().
return BufferAllocationMode::kSuperReduced;
#endif
}
bool VaapiVideoDecodeAccelerator::IsBufferAllocationModeReducedOrSuperReduced()
const {
return buffer_allocation_mode_ == BufferAllocationMode::kSuperReduced ||
buffer_allocation_mode_ == BufferAllocationMode::kReduced;
}
bool VaapiVideoDecodeAccelerator::OnMemoryDump(
const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) {
using base::trace_event::MemoryAllocatorDump;
base::AutoLock auto_lock(lock_);
if (buffer_allocation_mode_ == BufferAllocationMode::kNone ||
!requested_num_reference_frames_) {
return false;
}
auto dump_name = base::StringPrintf("gpu/vaapi/decoder/0x%" PRIxPTR,
reinterpret_cast<uintptr_t>(this));
MemoryAllocatorDump* dump = pmd->CreateAllocatorDump(dump_name);
constexpr float kNumBytesPerPixelYUV420 = 12.0 / 8;
constexpr float kNumBytesPerPixelYUV420_10bpp = 2 * kNumBytesPerPixelYUV420;
DCHECK(va_surface_format_ == VA_RT_FORMAT_YUV420 ||
va_surface_format_ == VA_RT_FORMAT_YUV420_10BPP);
const float va_surface_bytes_per_pixel =
va_surface_format_ == VA_RT_FORMAT_YUV420 ? kNumBytesPerPixelYUV420
: kNumBytesPerPixelYUV420_10bpp;
// Report |requested_num_surfaces| and the associated memory size. The
// calculated size is an estimation since we don't know the internal VA
// strides, texture compression, headers, etc, but is a good lower boundary.
const size_t requested_num_surfaces =
IsBufferAllocationModeReducedOrSuperReduced()
? requested_num_reference_frames_
: pictures_.size();
dump->AddScalar(MemoryAllocatorDump::kNameSize,
MemoryAllocatorDump::kUnitsBytes,
static_cast<uint64_t>(requested_num_surfaces *
requested_pic_size_.GetArea() *
va_surface_bytes_per_pixel));
dump->AddScalar(MemoryAllocatorDump::kNameObjectCount,
MemoryAllocatorDump::kUnitsObjects,
static_cast<uint64_t>(requested_num_surfaces));
return true;
}
} // namespace media