blob: d01e9c9b747c8b85a954e49d4af0db52646700fa [file] [log] [blame]
// Copyright 2019 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 <memory>
#include <vector>
#include "media/base/video_types.h"
#include "media/gpu/v4l2/v4l2_device.h"
namespace media {
// TODO(hiroh): Remove this class once V4L2VideoDecodeAccelerator is removed.
class V4L2StatefulWorkaround {
enum class Result {
Success, // The workaround is successfully applied.
NotifyError, // The caller must notify an error for Chrome. For example,
// VDA will call NotifyError() if this is returned.
V4L2StatefulWorkaround(const V4L2StatefulWorkaround&) = delete;
V4L2StatefulWorkaround& operator=(const V4L2StatefulWorkaround&) = delete;
virtual ~V4L2StatefulWorkaround() = default;
// Apply the workaround.
virtual Result Apply(const uint8_t* data, size_t size) = 0;
V4L2StatefulWorkaround() = default;
// Create necessary workarounds on the device for |device_type| and |profile|.
CreateV4L2StatefulWorkarounds(V4L2Device::Type device_type,
VideoCodecProfile profile);
// DecoderBuffer contains superframe in VP9 k-SVC stream but doesn't have
// superframe_index. If DecoderBuffer has side_data, it stands for sizes of
// frames in a superframe, this constructs superframe_index from them.
// |buffer| is replaced with a new DecoderBuffer, where superframe index is
// appended to |buffer| data. Besides, show_frame in the new DecoderBuffer is
// overwritten so that show_frame is one only in the top spatial layer.
// See go/VP9-k-SVC-Decoing-VAAPI for detail.
bool AppendVP9SuperFrameIndexIfNeeded(scoped_refptr<DecoderBuffer>& buffer);
} // namespace media