mirror of
https://github.com/libretro/RetroArch
synced 2025-02-20 15:40:44 +00:00
Split up camera driver code into separate file camera_driver.c
This commit is contained in:
twinaphex
parent
36d68b98b2
commit
4b0bd67d8d
@ -101,6 +101,7 @@ OBJ += frontend/frontend.o \
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input/input_driver.o \
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gfx/video_driver.o \
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osk/osk_driver.o \
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camera_driver.o \
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driver.o \
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settings.o \
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settings_list.o \
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217
camera_driver.c
Normal file
217
camera_driver.c
Normal file
@ -0,0 +1,217 @@
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/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <string/string_list.h>
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#include "camera_driver.h"
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#include "driver.h"
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#include "general.h"
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static const camera_driver_t *camera_drivers[] = {
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#ifdef HAVE_V4L2
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&camera_v4l2,
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#endif
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#ifdef EMSCRIPTEN
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&camera_rwebcam,
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#endif
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#ifdef ANDROID
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&camera_android,
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#endif
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#if defined(MAC_OS_X_VERSION_10_7) || defined(__IPHONE_4_0)
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&camera_apple,
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#endif
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&camera_null,
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NULL,
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};
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/**
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* camera_driver_find_handle:
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* @index : index of driver to get handle to.
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*
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* Returns: handle to camera driver at index. Can be NULL
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* if nothing found.
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**/
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const void *camera_driver_find_handle(int index)
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{
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const void *drv = camera_drivers[index];
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if (!drv)
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return NULL;
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return drv;
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}
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/**
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* camera_driver_find_ident:
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* @index : index of driver to get handle to.
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*
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* Returns: Human-readable identifier of camera driver at index. Can be NULL
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* if nothing found.
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**/
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const char *camera_driver_find_ident(int index)
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{
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const camera_driver_t *drv = camera_drivers[index];
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if (!drv)
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return NULL;
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return drv->ident;
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}
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/**
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* config_get_camera_driver_options:
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*
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* Get an enumerated list of all camera driver names,
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* separated by '|'.
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*
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* Returns: string listing of all camera driver names,
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* separated by '|'.
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**/
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const char* config_get_camera_driver_options(void)
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{
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union string_list_elem_attr attr;
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unsigned i;
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char *options = NULL;
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int options_len = 0;
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struct string_list *options_l = string_list_new();
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attr.i = 0;
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for (i = 0; camera_driver_find_handle(i); i++)
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{
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const char *opt = camera_driver_find_ident(i);
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options_len += strlen(opt) + 1;
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string_list_append(options_l, opt, attr);
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}
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options = (char*)calloc(options_len, sizeof(char));
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string_list_join_concat(options, options_len, options_l, "|");
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string_list_free(options_l);
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options_l = NULL;
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return options;
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}
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void find_camera_driver(void)
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{
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int i = find_driver_index("camera_driver", g_settings.camera.driver);
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if (i >= 0)
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driver.camera = camera_driver_find_handle(i);
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else
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{
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unsigned d;
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RARCH_ERR("Couldn't find any camera driver named \"%s\"\n",
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g_settings.camera.driver);
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RARCH_LOG_OUTPUT("Available camera drivers are:\n");
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for (d = 0; camera_driver_find_handle(d); d++)
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RARCH_LOG_OUTPUT("\t%s\n", camera_driver_find_ident(d));
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RARCH_WARN("Going to default to first camera driver...\n");
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driver.camera = camera_driver_find_handle(0);
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if (!driver.camera)
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rarch_fail(1, "find_camera_driver()");
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}
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}
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/**
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* driver_camera_start:
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*
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* Starts camera driver interface.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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bool driver_camera_start(void)
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{
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if (driver.camera && driver.camera_data && driver.camera->start)
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{
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if (g_settings.camera.allow)
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return driver.camera->start(driver.camera_data);
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msg_queue_push(g_extern.msg_queue,
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"Camera is explicitly disabled.\n", 1, 180);
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}
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return false;
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}
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/**
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* driver_camera_stop:
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*
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* Stops camera driver.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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void driver_camera_stop(void)
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{
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if (driver.camera && driver.camera->stop && driver.camera_data)
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driver.camera->stop(driver.camera_data);
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}
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/**
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* driver_camera_poll:
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*
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* Call camera driver's poll function.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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void driver_camera_poll(void)
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{
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if (driver.camera && driver.camera->poll && driver.camera_data)
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driver.camera->poll(driver.camera_data,
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g_extern.system.camera_callback.frame_raw_framebuffer,
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g_extern.system.camera_callback.frame_opengl_texture);
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}
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void init_camera(void)
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{
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/* Resource leaks will follow if camera is initialized twice. */
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if (driver.camera_data)
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return;
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find_camera_driver();
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driver.camera_data = driver.camera->init(
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*g_settings.camera.device ? g_settings.camera.device : NULL,
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g_extern.system.camera_callback.caps,
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g_settings.camera.width ?
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g_settings.camera.width : g_extern.system.camera_callback.width,
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g_settings.camera.height ?
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g_settings.camera.height : g_extern.system.camera_callback.height);
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if (!driver.camera_data)
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{
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RARCH_ERR("Failed to initialize camera driver. Will continue without camera.\n");
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driver.camera_active = false;
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}
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if (g_extern.system.camera_callback.initialized)
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g_extern.system.camera_callback.initialized();
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}
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void uninit_camera(void)
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{
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if (driver.camera_data && driver.camera)
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{
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if (g_extern.system.camera_callback.deinitialized)
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g_extern.system.camera_callback.deinitialized();
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if (driver.camera->free)
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driver.camera->free(driver.camera_data);
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}
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driver.camera_data = NULL;
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}
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125
camera_driver.h
Normal file
125
camera_driver.h
Normal file
@ -0,0 +1,125 @@
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/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __CAMERA_DRIVER__H
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#define __CAMERA_DRIVER__H
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#include <stdint.h>
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#include <boolean.h>
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#include "libretro.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct camera_driver
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{
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/* FIXME: params for initialization - queries for resolution,
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* framerate, color format which might or might not be honored. */
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void *(*init)(const char *device, uint64_t buffer_types,
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unsigned width, unsigned height);
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void (*free)(void *data);
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bool (*start)(void *data);
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void (*stop)(void *data);
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/* Polls the camera driver.
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* Will call the appropriate callback if a new frame is ready.
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* Returns true if a new frame was handled. */
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bool (*poll)(void *data,
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retro_camera_frame_raw_framebuffer_t frame_raw_cb,
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retro_camera_frame_opengl_texture_t frame_gl_cb);
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const char *ident;
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} camera_driver_t;
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/**
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* driver_camera_start:
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*
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* Starts camera driver.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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bool driver_camera_start(void);
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/**
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* driver_camera_stop:
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*
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* Stops camera driver.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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void driver_camera_stop(void);
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/**
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* driver_camera_poll:
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*
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* Call camera driver's poll function.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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void driver_camera_poll(void);
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/**
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* config_get_camera_driver_options:
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*
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* Get an enumerated list of all camera driver names,
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* separated by '|'.
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*
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* Returns: string listing of all camera driver names,
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* separated by '|'.
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**/
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const char* config_get_camera_driver_options(void);
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/**
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* camera_driver_find_handle:
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* @index : index of driver to get handle to.
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*
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* Returns: handle to camera driver at index. Can be NULL
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* if nothing found.
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**/
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const void *camera_driver_find_handle(int index);
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/**
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* camera_driver_find_ident:
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* @index : index of driver to get handle to.
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*
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* Returns: Human-readable identifier of camera driver at index. Can be NULL
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* if nothing found.
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**/
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const char *camera_driver_find_ident(int index);
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void find_camera_driver(void);
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void init_camera(void);
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void uninit_camera(void);
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extern camera_driver_t camera_v4l2;
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extern camera_driver_t camera_android;
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extern camera_driver_t camera_rwebcam;
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extern camera_driver_t camera_apple;
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extern camera_driver_t camera_null;
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#ifdef __cplusplus
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}
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#endif
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#endif
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196
driver.c
196
driver.c
@ -40,89 +40,6 @@
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driver_t driver;
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static const camera_driver_t *camera_drivers[] = {
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#ifdef HAVE_V4L2
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&camera_v4l2,
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#endif
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#ifdef EMSCRIPTEN
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&camera_rwebcam,
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#endif
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#ifdef ANDROID
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&camera_android,
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#endif
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#if defined(MAC_OS_X_VERSION_10_7) || defined(__IPHONE_4_0)
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&camera_apple,
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#endif
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&camera_null,
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NULL,
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};
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/**
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* camera_driver_find_handle:
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* @index : index of driver to get handle to.
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*
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* Returns: handle to camera driver at index. Can be NULL
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* if nothing found.
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**/
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static const void *camera_driver_find_handle(int index)
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{
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const void *drv = camera_drivers[index];
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if (!drv)
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return NULL;
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return drv;
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}
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/**
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* camera_driver_find_ident:
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* @index : index of driver to get handle to.
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*
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* Returns: Human-readable identifier of camera driver at index. Can be NULL
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* if nothing found.
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**/
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static const char *camera_driver_find_ident(int index)
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{
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const camera_driver_t *drv = camera_drivers[index];
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if (!drv)
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return NULL;
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return drv->ident;
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}
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/**
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* config_get_camera_driver_options:
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*
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* Get an enumerated list of all camera driver names,
|
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* separated by '|'.
|
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*
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* Returns: string listing of all camera driver names,
|
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* separated by '|'.
|
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**/
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const char* config_get_camera_driver_options(void)
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{
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union string_list_elem_attr attr;
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unsigned i;
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char *options = NULL;
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int options_len = 0;
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struct string_list *options_l = string_list_new();
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attr.i = 0;
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for (i = 0; camera_driver_find_handle(i); i++)
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{
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const char *opt = camera_driver_find_ident(i);
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options_len += strlen(opt) + 1;
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string_list_append(options_l, opt, attr);
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}
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options = (char*)calloc(options_len, sizeof(char));
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string_list_join_concat(options, options_len, options_l, "|");
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string_list_free(options_l);
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options_l = NULL;
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return options;
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}
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static const location_driver_t *location_drivers[] = {
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#ifdef ANDROID
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&location_android,
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@ -463,119 +380,6 @@ void find_next_driver(const char *label, char *str, size_t sizeof_str)
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RARCH_WARN("Couldn't find any next driver (current one: \"%s\").\n", str);
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}
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static void find_camera_driver(void)
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{
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int i = find_driver_index("camera_driver", g_settings.camera.driver);
|
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if (i >= 0)
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driver.camera = camera_driver_find_handle(i);
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else
|
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{
|
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unsigned d;
|
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RARCH_ERR("Couldn't find any camera driver named \"%s\"\n",
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g_settings.camera.driver);
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RARCH_LOG_OUTPUT("Available camera drivers are:\n");
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for (d = 0; camera_driver_find_handle(d); d++)
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RARCH_LOG_OUTPUT("\t%s\n", camera_driver_find_ident(d));
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RARCH_WARN("Going to default to first camera driver...\n");
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driver.camera = camera_driver_find_handle(0);
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if (!driver.camera)
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rarch_fail(1, "find_camera_driver()");
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}
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}
|
||||
|
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/**
|
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* driver_camera_start:
|
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*
|
||||
* Starts camera driver interface.
|
||||
* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
|
||||
*
|
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* Returns: true (1) if successful, otherwise false (0).
|
||||
**/
|
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bool driver_camera_start(void)
|
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{
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if (driver.camera && driver.camera_data && driver.camera->start)
|
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{
|
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if (g_settings.camera.allow)
|
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return driver.camera->start(driver.camera_data);
|
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|
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msg_queue_push(g_extern.msg_queue,
|
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"Camera is explicitly disabled.\n", 1, 180);
|
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}
|
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return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* driver_camera_stop:
|
||||
*
|
||||
* Stops camera driver.
|
||||
* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
|
||||
*
|
||||
* Returns: true (1) if successful, otherwise false (0).
|
||||
**/
|
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void driver_camera_stop(void)
|
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{
|
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if (driver.camera && driver.camera->stop && driver.camera_data)
|
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driver.camera->stop(driver.camera_data);
|
||||
}
|
||||
|
||||
/**
|
||||
* driver_camera_poll:
|
||||
*
|
||||
* Call camera driver's poll function.
|
||||
* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
|
||||
*
|
||||
* Returns: true (1) if successful, otherwise false (0).
|
||||
**/
|
||||
void driver_camera_poll(void)
|
||||
{
|
||||
if (driver.camera && driver.camera->poll && driver.camera_data)
|
||||
driver.camera->poll(driver.camera_data,
|
||||
g_extern.system.camera_callback.frame_raw_framebuffer,
|
||||
g_extern.system.camera_callback.frame_opengl_texture);
|
||||
}
|
||||
|
||||
static void init_camera(void)
|
||||
{
|
||||
/* Resource leaks will follow if camera is initialized twice. */
|
||||
if (driver.camera_data)
|
||||
return;
|
||||
|
||||
find_camera_driver();
|
||||
|
||||
driver.camera_data = driver.camera->init(
|
||||
*g_settings.camera.device ? g_settings.camera.device : NULL,
|
||||
g_extern.system.camera_callback.caps,
|
||||
g_settings.camera.width ?
|
||||
g_settings.camera.width : g_extern.system.camera_callback.width,
|
||||
g_settings.camera.height ?
|
||||
g_settings.camera.height : g_extern.system.camera_callback.height);
|
||||
|
||||
if (!driver.camera_data)
|
||||
{
|
||||
RARCH_ERR("Failed to initialize camera driver. Will continue without camera.\n");
|
||||
driver.camera_active = false;
|
||||
}
|
||||
|
||||
if (g_extern.system.camera_callback.initialized)
|
||||
g_extern.system.camera_callback.initialized();
|
||||
}
|
||||
|
||||
static void uninit_camera(void)
|
||||
{
|
||||
if (driver.camera_data && driver.camera)
|
||||
{
|
||||
if (g_extern.system.camera_callback.deinitialized)
|
||||
g_extern.system.camera_callback.deinitialized();
|
||||
|
||||
if (driver.camera->free)
|
||||
driver.camera->free(driver.camera_data);
|
||||
}
|
||||
driver.camera_data = NULL;
|
||||
}
|
||||
|
||||
static void find_location_driver(void)
|
||||
{
|
||||
int i = find_driver_index("location_driver", g_settings.location.driver);
|
||||
|
||||
69
driver.h
69
driver.h
@ -32,6 +32,7 @@
|
||||
|
||||
#include "menu/menu_driver.h"
|
||||
#include "osk/osk_driver.h"
|
||||
#include "camera_driver.h"
|
||||
#include "audio/resamplers/resampler.h"
|
||||
#include "record/ffemu.h"
|
||||
|
||||
@ -161,27 +162,6 @@ enum analog_dpad_mode
|
||||
ANALOG_DPAD_LAST
|
||||
};
|
||||
|
||||
typedef struct camera_driver
|
||||
{
|
||||
/* FIXME: params for initialization - queries for resolution,
|
||||
* framerate, color format which might or might not be honored. */
|
||||
void *(*init)(const char *device, uint64_t buffer_types,
|
||||
unsigned width, unsigned height);
|
||||
|
||||
void (*free)(void *data);
|
||||
|
||||
bool (*start)(void *data);
|
||||
void (*stop)(void *data);
|
||||
|
||||
/* Polls the camera driver.
|
||||
* Will call the appropriate callback if a new frame is ready.
|
||||
* Returns true if a new frame was handled. */
|
||||
bool (*poll)(void *data,
|
||||
retro_camera_frame_raw_framebuffer_t frame_raw_cb,
|
||||
retro_camera_frame_opengl_texture_t frame_gl_cb);
|
||||
|
||||
const char *ident;
|
||||
} camera_driver_t;
|
||||
|
||||
typedef struct location_driver
|
||||
{
|
||||
@ -491,36 +471,6 @@ float driver_sensor_get_input(unsigned port, unsigned action);
|
||||
**/
|
||||
void *driver_video_resolve(const video_driver_t **drv);
|
||||
|
||||
/**
|
||||
* driver_camera_start:
|
||||
*
|
||||
* Starts camera driver.
|
||||
* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
|
||||
*
|
||||
* Returns: true (1) if successful, otherwise false (0).
|
||||
**/
|
||||
bool driver_camera_start(void);
|
||||
|
||||
/**
|
||||
* driver_camera_stop:
|
||||
*
|
||||
* Stops camera driver.
|
||||
* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
|
||||
*
|
||||
* Returns: true (1) if successful, otherwise false (0).
|
||||
**/
|
||||
void driver_camera_stop(void);
|
||||
|
||||
/**
|
||||
* driver_camera_poll:
|
||||
*
|
||||
* Call camera driver's poll function.
|
||||
* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
|
||||
*
|
||||
* Returns: true (1) if successful, otherwise false (0).
|
||||
**/
|
||||
void driver_camera_poll(void);
|
||||
|
||||
/**
|
||||
* driver_location_start:
|
||||
*
|
||||
@ -582,17 +532,6 @@ bool driver_update_system_av_info(const struct retro_system_av_info *info);
|
||||
|
||||
extern driver_t driver;
|
||||
|
||||
/**
|
||||
* config_get_camera_driver_options:
|
||||
*
|
||||
* Get an enumerated list of all camera driver names,
|
||||
* separated by '|'.
|
||||
*
|
||||
* Returns: string listing of all camera driver names,
|
||||
* separated by '|'.
|
||||
**/
|
||||
const char* config_get_camera_driver_options(void);
|
||||
|
||||
/**
|
||||
* config_get_video_driver_options:
|
||||
*
|
||||
@ -638,12 +577,6 @@ const char* config_get_menu_driver_options(void);
|
||||
**/
|
||||
int find_driver_index(const char * label, const char *drv);
|
||||
|
||||
extern camera_driver_t camera_v4l2;
|
||||
extern camera_driver_t camera_android;
|
||||
extern camera_driver_t camera_rwebcam;
|
||||
extern camera_driver_t camera_apple;
|
||||
extern camera_driver_t camera_null;
|
||||
|
||||
extern location_driver_t location_apple;
|
||||
extern location_driver_t location_android;
|
||||
extern location_driver_t location_null;
|
||||
|
||||
@ -500,6 +500,7 @@ DRIVERS
|
||||
#include "../input/input_driver.c"
|
||||
#include "../audio/audio_driver.c"
|
||||
#include "../osk/osk_driver.c"
|
||||
#include "../camera_driver.c"
|
||||
#include "../driver.c"
|
||||
|
||||
/*============================================================
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user