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2021-02-06CMakeLists: Use bundled FFmpeg as a fallbacklat9nq1-8/+13
Sets YUZU_USE_BUNDLED_FFMPEG as a CMake dependent option that is OFF on Linux and ON for WIN32 targets. If FFmpeg is not found when YUZU_USE_BUNDLED_FFMPEG is OFF, the bundled module/binaries are used instead. Reverts earlier changes to FindFFmpeg a bit, mostly to keep parity with it's Citra version a bit. Now _FFmpeg_ALL_COMPONENTS lists all components. We overwrite FFmpeg_LIBRARIES and FFmpeg_INCLUDE_DIR after using the module.
2021-02-05CMake: Port citra-emu/citra FindFFmpeg.cmakelat9nq1-80/+162
Also renames related CMake variables to match both the Find*FFmpeg* and variables defined within the file. Fixes odd errors produced by the old FindFFmpeg. Citra's FindFFmpeg is slightly modified here: adds Citra's copyright at the beginning, renames FFmpeg_INCLUDES to FFmpeg_INCLUDE_DIR, disables a few components in _FFmpeg_ALL_COMPONENTS, and adds the missing avutil component to the comment above.
2020-10-27video_core: NVDEC Implementationameerj1-0/+100
This commit aims to implement the NVDEC (Nvidia Decoder) functionality, with video frame decoding being handled by the FFmpeg library. The process begins with Ioctl commands being sent to the NVDEC and VIC (Video Image Composer) emulated devices. These allocate the necessary GPU buffers for the frame data, along with providing information on the incoming video data. A Submit command then signals the GPU to process and decode the frame data. To decode the frame, the respective codec's header must be manually composed from the information provided by NVDEC, then sent with the raw frame data to the ffmpeg library. Currently, H264 and VP9 are supported, with VP9 having some minor artifacting issues related mainly to the reference frame composition in its uncompressed header. Async GPU is not properly implemented at the moment. Co-Authored-By: David <25727384+ogniK5377@users.noreply.github.com>