| /* |
| * Copyright 2013, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef VIDEO_FORMATS_H_ |
| |
| #define VIDEO_FORMATS_H_ |
| |
| #include <media/stagefright/foundation/ABase.h> |
| |
| #include <stdint.h> |
| |
| namespace android { |
| |
| struct AString; |
| |
| // This class encapsulates that video resolution capabilities of a wfd source |
| // or sink as outlined in the wfd specs. Currently three sets of resolutions |
| // are specified, each of which supports up to 32 resolutions. |
| // In addition to its capabilities each sink/source also publishes its |
| // "native" resolution, presumably one that is preferred among all others |
| // because it wouldn't require any scaling and directly corresponds to the |
| // display capabilities/pixels. |
| struct VideoFormats { |
| VideoFormats(); |
| |
| struct config_t { |
| size_t width, height, framesPerSecond; |
| bool interlaced; |
| unsigned char profile, level; |
| }; |
| |
| enum ProfileType { |
| PROFILE_CBP = 0, |
| PROFILE_CHP, |
| kNumProfileTypes, |
| }; |
| |
| enum LevelType { |
| LEVEL_31 = 0, |
| LEVEL_32, |
| LEVEL_40, |
| LEVEL_41, |
| LEVEL_42, |
| kNumLevelTypes, |
| }; |
| |
| enum ResolutionType { |
| RESOLUTION_CEA, |
| RESOLUTION_VESA, |
| RESOLUTION_HH, |
| kNumResolutionTypes, |
| }; |
| |
| void setNativeResolution(ResolutionType type, size_t index); |
| void getNativeResolution(ResolutionType *type, size_t *index) const; |
| |
| void disableAll(); |
| void enableAll(); |
| void enableResolutionUpto( |
| ResolutionType type, size_t index, |
| ProfileType profile, LevelType level); |
| |
| void setResolutionEnabled( |
| ResolutionType type, size_t index, bool enabled = true); |
| |
| bool isResolutionEnabled(ResolutionType type, size_t index) const; |
| |
| void setProfileLevel( |
| ResolutionType type, size_t index, |
| ProfileType profile, LevelType level); |
| |
| void getProfileLevel( |
| ResolutionType type, size_t index, |
| ProfileType *profile, LevelType *level) const; |
| |
| static bool GetConfiguration( |
| ResolutionType type, size_t index, |
| size_t *width, size_t *height, size_t *framesPerSecond, |
| bool *interlaced); |
| |
| static bool GetProfileLevel( |
| ProfileType profile, LevelType level, |
| unsigned *profileIdc, unsigned *levelIdc, |
| unsigned *constraintSet); |
| |
| bool parseFormatSpec(const char *spec); |
| AString getFormatSpec(bool forM4Message = false) const; |
| |
| static bool PickBestFormat( |
| const VideoFormats &sinkSupported, |
| const VideoFormats &sourceSupported, |
| ResolutionType *chosenType, |
| size_t *chosenIndex, |
| ProfileType *chosenProfile, |
| LevelType *chosenLevel); |
| |
| private: |
| bool parseH264Codec(const char *spec); |
| ResolutionType mNativeType; |
| size_t mNativeIndex; |
| |
| uint32_t mResolutionEnabled[kNumResolutionTypes]; |
| static const config_t mResolutionTable[kNumResolutionTypes][32]; |
| config_t mConfigs[kNumResolutionTypes][32]; |
| |
| DISALLOW_EVIL_CONSTRUCTORS(VideoFormats); |
| }; |
| |
| } // namespace android |
| |
| #endif // VIDEO_FORMATS_H_ |
| |