chromecast/media/base/cast_media_default.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromecast/media/cma/backend/media_pipeline_backend_default.h"
   6 #include "chromecast/public/cast_media_shlib.h"
   7 #include "chromecast/public/graphics_types.h"
   8 #include "chromecast/public/media_codec_support_shlib.h"
   9 #include "chromecast/public/video_plane.h"
  10
  11 namespace chromecast {
  12 namespace media {
  13 namespace {
  14
  15 class DefaultVideoPlane : public VideoPlane {
  16  public:
  17   ~DefaultVideoPlane() override {}
  18
  19   Size GetScreenResolution() override { return Size(1920, 1080); }
  20
  21   void SetGeometry(const RectF& display_rect,
  22                    CoordinateType coordinate_type,
  23                    Transform transform) override {}
  24
  25   void OnScreenResolutionChanged(const Size& screen_res) override {}
  26 };
  27
  28 DefaultVideoPlane* g_video_plane = nullptr;
  29
  30 }  // namespace
  31
  32 void CastMediaShlib::Initialize(const std::vector<std::string>& argv) {
  33   g_video_plane = new DefaultVideoPlane();
  34 }
  35
  36 void CastMediaShlib::Finalize() {
  37   delete g_video_plane;
  38   g_video_plane = nullptr;
  39 }
  40
  41 VideoPlane* CastMediaShlib::GetVideoPlane() {
  42   return g_video_plane;
  43 }
  44
  45 MediaPipelineBackend* CastMediaShlib::CreateMediaPipelineBackend(
  46     const MediaPipelineDeviceParams& params) {
  47   return new MediaPipelineBackendDefault(params);
  48 }
  49
  50 MediaCodecSupportShlib::CodecSupport MediaCodecSupportShlib::IsSupported(
  51     const std::string& codec) {
  52 #if defined(OS_ANDROID)
  53   // TODO(servolk): Find a way to reuse IsCodecSupportedOnAndroid.
  54
  55   // Theora is not supported
  56   if (codec == "theora")
  57     return kNotSupported;
  58
  59   // MPEG-2 variants of AAC are not supported on Android.
  60   // MPEG2_AAC_MAIN / MPEG2_AAC_LC / MPEG2_AAC_SSR
  61   if (codec == "mp4a.66" || codec == "mp4a.67" || codec == "mp4a.68")
  62     return kNotSupported;
  63
  64   // VP9 is guaranteed supported but is often software-decode only.
  65   // TODO(gunsch/servolk): look into querying for hardware decode support.
  66   if (codec == "vp9" || codec == "vp9.0")
  67     return kNotSupported;
  68 #endif
  69
  70   return kDefault;
  71 }
  72
  73 }  // namespace media
  74 }  // namespace chromecast