[NotForReview] Move GJDAH and GJDA to media/gpu/mojo

media/gpu/mojo/jpeg_decoder.mojom

-// Copyright 2017 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.
-
-module media.mojom;
-
-import "media/mojo/interfaces/media_types.mojom";
-import "mojo/common/time.mojom";
-import "ui/gfx/geometry/mojo/geometry.mojom";
-
-// Decode errors (see media/video/jpeg_decode_accelerator.h).
-enum Error {
-  NO_ERRORS,
-  INVALID_ARGUMENT,
-  UNREADABLE_INPUT,
-  PARSE_JPEG_FAILED,
-  UNSUPPORTED_JPEG,
-  PLATFORM_FAILURE,
-};
-
-// This defines a mojo transport format for media::BitstreamBuffer (see
-// media/base/bitstream_buffer.h).
-struct BitstreamBuffer {
-  int32 id;
-  handle<shared_buffer> memory_handle;
-  uint32 size;
-  uint64 offset;
-  mojo.common.mojom.TimeDelta timestamp;
-  string key_id;
-  string iv;
-  array<SubsampleEntry> subsamples;
-};
-
-// GPU process interface exposed to the browser for decoding JPEG images.
-interface GpuJpegDecodeAccelerator {
-  // Initializes the JPEG decoder. Should be called once per decoder
-  // construction and before using Decode(). This call returns true if
-  // initialization is successful.
-  // TODO(c.padhi): Make this method asynchronous.
-  [Sync]
-  Initialize() => (bool success);
-
-  // Decodes the given bitstream buffer that contains one JPEG image.
-  // The image is decoded from shared memory |input_buffer.memory_handle|
-  // with size |input_buffer.size|. The input buffer is associated with
-  // |input_buffer.id|and the size of JPEG image is |coded_size|. Decoded I420
-  // frame data will be put onto shared memory associated with |output_handle|
-  // with allocated size |output_buffer_size|.
-  // Returns |bitstream_buffer_id| and |error| in a callback to notify the
-  // decode status. |bitstream_buffer_id| is the id of BitstreamBuffer
-  // |input_buffer| and |error| is the error code.
-  Decode(BitstreamBuffer input_buffer, gfx.mojom.Size coded_size,
-         handle<shared_buffer> output_handle, uint32 output_buffer_size)
-      => (int32 bitstream_buffer_id, Error error);
-
-  // TODO(c.padhi): This method might not be required, see
-  // http://crbug.com/699255.
-  Uninitialize();
-};