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media / gpu / test / bitstream_helpers.h [blame]
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_GPU_TEST_BITSTREAM_HELPERS_H_
#define MEDIA_GPU_TEST_BITSTREAM_HELPERS_H_
#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "media/video/video_encode_accelerator.h"
namespace media {
class DecoderBuffer;
namespace test {
// This class defines an abstract interface for classes that are interested in
// processing bitstreams (e.g. BitstreamValidator, DecoderBufferValidator, ...).
class BitstreamProcessor {
public:
struct BitstreamRef : public base::RefCountedThreadSafe<BitstreamRef> {
static scoped_refptr<BitstreamRef> Create(
scoped_refptr<DecoderBuffer> buffer,
const BitstreamBufferMetadata& metadata,
int32_t id,
base::TimeTicks source_timestamp,
base::OnceClosure release_cb);
BitstreamRef() = delete;
BitstreamRef(const BitstreamRef&) = delete;
BitstreamRef& operator=(const BitstreamRef&) = delete;
const scoped_refptr<DecoderBuffer> buffer;
const BitstreamBufferMetadata metadata;
const int32_t id;
// |source_timestamp| is the timestamp when the VideoFrame for this
// bitstream is received to an encoder.
const base::TimeTicks source_timestamp;
private:
friend class base::RefCountedThreadSafe<BitstreamRef>;
BitstreamRef(scoped_refptr<DecoderBuffer> buffer,
const BitstreamBufferMetadata& metadata,
int32_t id,
base::TimeTicks source_timestamp,
base::OnceClosure release_cb);
~BitstreamRef();
base::OnceClosure release_cb;
};
virtual ~BitstreamProcessor() = default;
// Process the specified bitstream buffer. This can e.g. validate the
// buffer's contents or calculate the buffer's checksum.
virtual void ProcessBitstream(scoped_refptr<BitstreamRef> bitstream,
size_t frame_index) = 0;
// Wait until all currently scheduled bitstream buffers have been processed.
// Returns whether processing was successful.
virtual bool WaitUntilDone() = 0;
};
} // namespace test
} // namespace media
#endif // MEDIA_GPU_TEST_BITSTREAM_HELPERS_H_