blob: e2da00d54c8b047de0a0107e038f531829dd13df [file] [log] [blame]
// Copyright 2016 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 "base/callback.h"
#include "media/capture/capture_export.h"
#include "media/capture/mojom/video_capture_types.mojom.h"
#include "media/capture/video/video_capture_device.h"
#include "media/capture/video/video_frame_receiver.h"
namespace media {
// All methods are allowed to be called from any thread, but calls must be
// non-concurrently.
class CAPTURE_EXPORT VideoCaptureJpegDecoder {
// Enumeration of decoder status. The enumeration is published for clients to
// decide the behavior according to STATUS.
enum STATUS {
INIT_PENDING, // Default value while waiting initialization finished.
INIT_PASSED, // Initialization succeed.
FAILED, // JPEG decode is not supported, initialization failed, or
// decode error.
using DecodeDoneCB = base::RepeatingCallback<void(
int buffer_id,
int frame_feedback_id,
ScopedAccessPermission> buffer_read_permission,
mojom::VideoFrameInfoPtr frame_info)>;
virtual ~VideoCaptureJpegDecoder() {}
// Creates and intializes decoder asynchronously.
virtual void Initialize() = 0;
// Returns initialization status.
virtual STATUS GetStatus() const = 0;
// Decodes a JPEG picture.
virtual void DecodeCapturedData(
const uint8_t* data,
size_t in_buffer_size,
const VideoCaptureFormat& frame_format,
base::TimeTicks reference_time,
base::TimeDelta timestamp,
VideoCaptureDevice::Client::Buffer out_buffer) = 0;
} // namespace media