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All the reverse-engineering work comes from AntonioND [1]. A new video backend API has been added to grab video images. By default, a dummy backend is provided. However, an OpenCV based backend is also provided (if enabled at compile-time with OPENCV=1). Other implementation should be possible (GStreamer for instance ?) in the future. With the OpenCV backend, the video device selection can be done using the Core parameter: [Core] GbCameraVideoDevice=<my_device> Where <my_device> can be either an integer which represent the device number (0 for default) or a string which specify the video device path. Tested with 64DD Mario Talent Studio (Japan), a transfer pak plugged in the first controller with a Japanese GameBoy camera. Also since the core currently requires a cart ROM (even if should strictly be required) I used Perfect Dark (Japan) to allow using the Transfer Pak. This is a core/ui limitation not related to this PR. [1] https://github.com/AntonioND/gbcam-rev-engineer
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| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | ||
| * Mupen64plus - video_backend.h * | ||
| * Mupen64Plus homepage: https://mupen64plus.org/ * | ||
| * Copyright (C) 2017 Bobby Smiles * | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| * This program is distributed in the hope that it will be useful, * | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | ||
| * GNU General Public License for more details. * | ||
| * * | ||
| * You should have received a copy of the GNU General Public License * | ||
| * along with this program; if not, write to the * | ||
| * Free Software Foundation, Inc., * | ||
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * | ||
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | ||
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|
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| #ifndef M64P_BACKENDS_API_VIDEO_BACKEND_H | ||
| #define M64P_BACKENDS_API_VIDEO_BACKEND_H | ||
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| #include "api/m64p_types.h" | ||
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| struct video_input_backend_interface | ||
| { | ||
| /* Open a video stream with following properties (width, height) | ||
| * Returns M64ERR_SUCCESS on success. | ||
| */ | ||
| m64p_error (*open)(void* vin, unsigned int width, unsigned int height); | ||
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| /* Close a previsouly opened video stream. | ||
| */ | ||
| void (*close)(void* vin); | ||
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| /* Grab a BGR image on an open stream | ||
| * Returns M64ERR_SUCCESS on success. | ||
| */ | ||
| m64p_error (*grab_image)(void* vin, void* data); | ||
| }; | ||
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| #endif |
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| @@ -0,0 +1,46 @@ | ||
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | ||
| * Mupen64plus - dummy_video_backend.c * | ||
| * Mupen64Plus homepage: https://mupen64plus.org/ * | ||
| * Copyright (C) 2018 Bobby Smiles * | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| * This program is distributed in the hope that it will be useful, * | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | ||
| * GNU General Public License for more details. * | ||
| * * | ||
| * You should have received a copy of the GNU General Public License * | ||
| * along with this program; if not, write to the * | ||
| * Free Software Foundation, Inc., * | ||
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * | ||
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | ||
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| #include "backends/dummy_video_backend.h" | ||
| #include "backends/api/video_backend.h" | ||
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| #include "api/m64p_types.h" | ||
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| static m64p_error dummy_video_open(void* vin, unsigned int width, unsigned int height) | ||
| { | ||
| return M64ERR_SUCCESS; | ||
| } | ||
|
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| static void dummy_video_close(void* vin) | ||
| { | ||
| } | ||
|
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| static m64p_error dummy_grab_image(void* vin, void* data) | ||
| { | ||
| return M64ERR_UNSUPPORTED; | ||
| } | ||
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| const struct video_input_backend_interface g_idummy_video_input_backend = | ||
| { | ||
| dummy_video_open, | ||
| dummy_video_close, | ||
| dummy_grab_image | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,29 @@ | ||
| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | ||
| * Mupen64plus - dummy_video_backend.h * | ||
| * Mupen64Plus homepage: https://mupen64plus.org/ * | ||
| * Copyright (C) 2018 Bobby Smiles * | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| * This program is distributed in the hope that it will be useful, * | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | ||
| * GNU General Public License for more details. * | ||
| * * | ||
| * You should have received a copy of the GNU General Public License * | ||
| * along with this program; if not, write to the * | ||
| * Free Software Foundation, Inc., * | ||
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * | ||
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | ||
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| #ifndef M64P_BACKENDS_DUMMY_VIDEO_BACKEND_H | ||
| #define M64P_BACKENDS_DUMMY_VIDEO_BACKEND_H | ||
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| #include "api/video_backend.h" | ||
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| extern const struct video_input_backend_interface g_idummy_video_input_backend; | ||
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| #endif |
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