media/mojo/mojom/video_frame_mojom_traits.h

   1 // Copyright 2017 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_MOJO_MOJOM_VIDEO_FRAME_MOJOM_TRAITS_H_
   6 #define MEDIA_MOJO_MOJOM_VIDEO_FRAME_MOJOM_TRAITS_H_
   7
   8 #include "base/memory/scoped_refptr.h"
   9 #include "gpu/ipc/common/mailbox_holder_mojom_traits.h"
  10 #include "gpu/ipc/common/vulkan_ycbcr_info_mojom_traits.h"
  11 #include "media/base/ipc/media_param_traits_macros.h"
  12 #include "media/base/video_frame.h"
  13 #include "media/mojo/mojom/media_types.mojom.h"
  14 #include "mojo/public/cpp/bindings/enum_traits.h"
  15 #include "mojo/public/cpp/bindings/struct_traits.h"
  16 #include "third_party/abseil-cpp/absl/types/optional.h"
  17 #include "ui/gfx/geometry/mojom/geometry_mojom_traits.h"
  18 #include "ui/gfx/ipc/color/gfx_param_traits.h"
  19
  20 namespace mojo {
  21
  22 template <>
  23 struct EnumTraits<media::mojom::SharedImageFormatType,
  24                   media::SharedImageFormatType> {
  25   static media::mojom::SharedImageFormatType ToMojom(
  26       media::SharedImageFormatType type);
  27
  28   static bool FromMojom(media::mojom::SharedImageFormatType input,
  29                         media::SharedImageFormatType* out);
  30 };
  31
  32 template <>
  33 struct StructTraits<media::mojom::VideoFrameDataView,
  34                     scoped_refptr<media::VideoFrame>> {
  35   static bool IsNull(const scoped_refptr<media::VideoFrame>& input) {
  36     return !input;
  37   }
  38
  39   static void SetToNull(scoped_refptr<media::VideoFrame>* input) {
  40     *input = nullptr;
  41   }
  42
  43   static media::VideoPixelFormat format(
  44       const scoped_refptr<media::VideoFrame>& input) {
  45     return input->format();
  46   }
  47
  48   static const gfx::Size& coded_size(
  49       const scoped_refptr<media::VideoFrame>& input) {
  50     return input->coded_size();
  51   }
  52
  53   static const gfx::Rect& visible_rect(
  54       const scoped_refptr<media::VideoFrame>& input) {
  55     return input->visible_rect();
  56   }
  57
  58   static const gfx::Size& natural_size(
  59       const scoped_refptr<media::VideoFrame>& input) {
  60     return input->natural_size();
  61   }
  62
  63   static base::TimeDelta timestamp(
  64       const scoped_refptr<media::VideoFrame>& input) {
  65     return input->timestamp();
  66   }
  67
  68   // TODO(hubbe): Return const ref when VideoFrame::ColorSpace()
  69   // returns const ref.
  70   static gfx::ColorSpace color_space(
  71       const scoped_refptr<media::VideoFrame>& input) {
  72     return input->ColorSpace();
  73   }
  74
  75   static const absl::optional<gfx::HDRMetadata>& hdr_metadata(
  76       const scoped_refptr<media::VideoFrame>& input) {
  77     return input->hdr_metadata();
  78   }
  79
  80   static media::SharedImageFormatType shared_image_format_type(
  81       const scoped_refptr<media::VideoFrame>& input) {
  82     return input->shared_image_format_type();
  83   }
  84
  85   static const absl::optional<gpu::VulkanYCbCrInfo>& ycbcr_info(
  86       const scoped_refptr<media::VideoFrame>& input) {
  87     return input->ycbcr_info();
  88   }
  89
  90   static media::mojom::VideoFrameDataPtr data(
  91       const scoped_refptr<media::VideoFrame>& input);
  92
  93   static const media::VideoFrameMetadata& metadata(
  94       const scoped_refptr<media::VideoFrame>& input) {
  95     return input->metadata();
  96   }
  97
  98   static bool Read(media::mojom::VideoFrameDataView input,
  99                    scoped_refptr<media::VideoFrame>* output);
 100 };
 101
 102 }  // namespace mojo
 103
 104 #endif  // MEDIA_MOJO_MOJOM_VIDEO_FRAME_MOJOM_TRAITS_H_