Revert of media: add video capture device for ARC++ camera HAL v3

media/capture/video/chromeos/pixel_format_utils.cc

-// 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.
-
-#include "media/capture/video/chromeos/pixel_format_utils.h"
-
-#include <libdrm/drm_fourcc.h>
-
-#include <algorithm>
-
-namespace media {
-
-namespace {
-
-struct SupportedFormat {
-  VideoPixelFormat chromium_format;
-  arc::mojom::HalPixelFormat hal_format;
-  uint32_t drm_format;
-} const kSupportedFormats[] = {
-    // The Android camera HAL v3 has three types of mandatory pixel formats:
-    //
-    //   1. HAL_PIXEL_FORMAT_YCbCr_420_888 (YUV flexible format).
-    //   2. HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED (platform-specific format).
-    //   3. HAL_PIXEL_FORMAT_BLOB (for JPEG).
-    //
-    // We can't use HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED as it is highly
-    // platform specific and there is no way for Chrome to query the exact
-    // pixel layout of the implementation-defined buffer.
-    //
-    // On Android the framework requests the preview stream with the
-    // implementation-defined format, and as a result some camera HALs support
-    // only implementation-defined preview buffers.  We should use the video
-    // capture stream in Chrome VCD as it is mandatory for the camera HAL to
-    // support YUV flexbile format video streams.
-
-    // TODO(jcliang): Change NV12 to I420 after the camera HAL supports handling
-    //                I420 buffers.
-    {PIXEL_FORMAT_NV12,
-     arc::mojom::HalPixelFormat::HAL_PIXEL_FORMAT_YCbCr_420_888,
-     DRM_FORMAT_NV12},
-};
-
-}  // namespace
-
-VideoPixelFormat PixFormatHalToChromium(arc::mojom::HalPixelFormat from) {
-  auto* it =
-      std::find_if(std::begin(kSupportedFormats), std::end(kSupportedFormats),
-                   [from](SupportedFormat f) { return f.hal_format == from; });
-  if (it == std::end(kSupportedFormats)) {
-    return PIXEL_FORMAT_UNKNOWN;
-  }
-  return it->chromium_format;
-}
-
-uint32_t PixFormatChromiumToDrm(VideoPixelFormat from) {
-  auto* it = std::find_if(
-      std::begin(kSupportedFormats), std::end(kSupportedFormats),
-      [from](SupportedFormat f) { return f.chromium_format == from; });
-  if (it == std::end(kSupportedFormats)) {
-    return 0;
-  }
-  return it->drm_format;
-}
-
-}  // namespace media