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f0aa0f99fd
RetroArch/driver.c
twinaphex f0aa0f99fd (Location) Reimplement some parts of the location interface - get_latitude 
and get_longitude are gone now in place of get_position. Basically,
from C land we basically do a poll-style queries, but on the
implementation side (ie. Android/iOS/OSX) - they all use callback-based
location updates. So we simply check in the poll function (get_position)
whether position has changed, and if so, update the pointer values and
return true - if not, set them to 0 and return false.
2013-12-19 15:47:47 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "driver.h"
#include "general.h"
#include "file.h"
#include "libretro.h"
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "compat/posix_string.h"
#include "audio/utils.h"
#include "audio/resampler.h"
#include "gfx/thread_wrapper.h"
#include "audio/thread_wrapper.h"
#include "gfx/gfx_common.h"
#ifdef HAVE_X11
#include "gfx/context/x11_common.h"
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
static const audio_driver_t *audio_drivers[] = {
#ifdef HAVE_ALSA
&audio_alsa,
#ifndef __QNX__
&audio_alsathread,
#endif
#endif
#if defined(HAVE_OSS) || defined(HAVE_OSS_BSD)
&audio_oss,
#endif
#ifdef HAVE_RSOUND
&audio_rsound,
#endif
#ifdef HAVE_COREAUDIO
&audio_coreaudio,
#endif
#ifdef HAVE_AL
&audio_openal,
#endif
#ifdef HAVE_SL
&audio_opensl,
#endif
#ifdef HAVE_ROAR
&audio_roar,
#endif
#ifdef HAVE_JACK
&audio_jack,
#endif
#ifdef HAVE_SDL
&audio_sdl,
#endif
#ifdef HAVE_XAUDIO
&audio_xa,
#endif
#ifdef HAVE_DSOUND
&audio_dsound,
#endif
#ifdef HAVE_PULSE
&audio_pulse,
#endif
#ifdef __CELLOS_LV2__
&audio_ps3,
#endif
#ifdef XENON
&audio_xenon360,
#endif
#ifdef GEKKO
&audio_gx,
#endif
#ifdef EMSCRIPTEN
&audio_rwebaudio,
#endif
#ifdef HAVE_NULLAUDIO
&audio_null,
#endif
NULL,
};
static const video_driver_t *video_drivers[] = {
#ifdef HAVE_OPENGL
&video_gl,
#endif
#ifdef XENON
&video_xenon360,
#endif
#if defined(_XBOX) && (defined(HAVE_D3D8) || defined(HAVE_D3D9))
&video_xdk_d3d,
#endif
#if defined(HAVE_WIN32_D3D9)
&video_d3d9,
#endif
#ifdef SN_TARGET_PSP2
&video_vita,
#endif
//#ifdef PSP
//&video_psp1,
//#endif
#ifdef HAVE_SDL
&video_sdl,
#endif
#ifdef HAVE_XVIDEO
&video_xvideo,
#endif
#ifdef GEKKO
&video_gx,
#endif
#ifdef HAVE_VG
&video_vg,
#endif
#ifdef HAVE_NULLVIDEO
&video_null,
#endif
#ifdef HAVE_OMAP
&video_omap,
#endif
NULL,
};
static const input_driver_t *input_drivers[] = {
#ifdef __CELLOS_LV2__
&input_ps3,
#endif
#if defined(SN_TARGET_PSP2) || defined(PSP)
&input_psp,
#endif
#ifdef HAVE_SDL
&input_sdl,
#endif
#ifdef HAVE_DINPUT
&input_dinput,
#endif
#ifdef HAVE_X11
&input_x,
#endif
#ifdef XENON
&input_xenon360,
#endif
#if defined(HAVE_XINPUT2) || defined(HAVE_XINPUT_XBOX1)
&input_xinput,
#endif
#ifdef GEKKO
&input_gx,
#endif
#ifdef ANDROID
&input_android,
#endif
#ifdef HAVE_UDEV
&input_udev,
#endif
#if defined(__linux__) && !defined(ANDROID)
&input_linuxraw,
#endif
#if defined(IOS) || defined(OSX) //< Don't use __APPLE__ as it breaks basic SDL builds
&input_apple,
#endif
#ifdef __BLACKBERRY_QNX__
&input_qnx,
#endif
#ifdef EMSCRIPTEN
&input_rwebinput,
#endif
#ifdef HAVE_NULLINPUT
&input_null,
#endif
NULL,
};
#ifdef HAVE_OSK
static const input_osk_driver_t *osk_drivers[] = {
#ifdef __CELLOS_LV2__
&input_ps3_osk,
#endif
NULL,
};
static int find_osk_driver_index(const char *driver)
{
unsigned i;
for (i = 0; osk_drivers[i]; i++)
if (strcasecmp(driver, osk_drivers[i]->ident) == 0)
return i;
return -1;
}
static void find_osk_driver(void)
{
int i = find_osk_driver_index(g_settings.osk.driver);
if (i >= 0)
driver.osk = osk_drivers[i];
else
{
unsigned d;
RARCH_ERR("Couldn't find any OSK driver named \"%s\"\n", g_settings.osk.driver);
RARCH_LOG_OUTPUT("Available OSK drivers are:\n");
for (d = 0; osk_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", osk_drivers[d]->ident);
rarch_fail(1, "find_osk_driver()");
}
}
void find_prev_osk_driver(void)
{
int i = find_osk_driver_index(g_settings.osk.driver);
if (i > 0)
strlcpy(g_settings.osk.driver, osk_drivers[i - 1]->ident, sizeof(g_settings.osk.driver));
else
RARCH_WARN("Couldn't find any previous osk driver (current one: \"%s\").\n", g_settings.osk.driver);
}
void find_next_osk_driver(void)
{
int i = find_osk_driver_index(g_settings.osk.driver);
if (i >= 0 && osk_drivers[i + 1])
strlcpy(g_settings.osk.driver, osk_drivers[i + 1]->ident, sizeof(g_settings.osk.driver));
else
RARCH_WARN("Couldn't find any next osk driver (current one: \"%s\").\n", g_settings.osk.driver);
}
#endif
#ifdef HAVE_CAMERA
static const camera_driver_t *camera_drivers[] = {
#ifdef HAVE_V4L2
&camera_v4l2,
#endif
#ifdef EMSCRIPTEN
&camera_rwebcam,
#endif
#ifdef ANDROID
&camera_android,
#endif
#ifdef IOS
&camera_ios,
#endif
NULL,
};
static int find_camera_driver_index(const char *driver)
{
unsigned i;
for (i = 0; camera_drivers[i]; i++)
if (strcasecmp(driver, camera_drivers[i]->ident) == 0)
return i;
return -1;
}
static void find_camera_driver(void)
{
int i = find_camera_driver_index(g_settings.camera.driver);
if (i >= 0)
driver.camera = camera_drivers[i];
else
{
unsigned d;
RARCH_ERR("Couldn't find any camera driver named \"%s\"\n", g_settings.camera.driver);
RARCH_LOG_OUTPUT("Available camera drivers are:\n");
for (d = 0; camera_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", camera_drivers[d]->ident);
rarch_fail(1, "find_camera_driver()");
}
}
void find_prev_camera_driver(void)
{
int i = find_camera_driver_index(g_settings.camera.driver);
if (i > 0)
strlcpy(g_settings.camera.driver, camera_drivers[i - 1]->ident, sizeof(g_settings.camera.driver));
else
RARCH_WARN("Couldn't find any previous camera driver (current one: \"%s\").\n", g_settings.camera.driver);
}
void find_next_camera_driver(void)
{
int i = find_camera_driver_index(g_settings.camera.driver);
if (i >= 0 && camera_drivers[i + 1])
strlcpy(g_settings.camera.driver, camera_drivers[i + 1]->ident, sizeof(g_settings.camera.driver));
else
RARCH_WARN("Couldn't find any next camera driver (current one: \"%s\").\n", g_settings.camera.driver);
}
#endif
#ifdef HAVE_LOCATION
static const location_driver_t *location_drivers[] = {
#ifdef ANDROID
&location_android,
#endif
#ifdef IOS
&location_apple,
#endif
NULL,
};
static int find_location_driver_index(const char *driver)
{
unsigned i;
for (i = 0; location_drivers[i]; i++)
if (strcasecmp(driver, location_drivers[i]->ident) == 0)
return i;
return -1;
}
static void find_location_driver(void)
{
int i = find_location_driver_index(g_settings.location.driver);
if (i >= 0)
driver.location = location_drivers[i];
else
{
unsigned d;
RARCH_ERR("Couldn't find any location driver named \"%s\"\n", g_settings.location.driver);
RARCH_LOG_OUTPUT("Available location drivers are:\n");
for (d = 0; location_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", location_drivers[d]->ident);
rarch_fail(1, "find_location_driver()");
}
}
void find_prev_location_driver(void)
{
int i = find_location_driver_index(g_settings.location.driver);
if (i > 0)
strlcpy(g_settings.location.driver, location_drivers[i - 1]->ident, sizeof(g_settings.location.driver));
else
RARCH_WARN("Couldn't find any previous location driver (current one: \"%s\").\n", g_settings.location.driver);
}
void find_next_location_driver(void)
{
int i = find_location_driver_index(g_settings.location.driver);
if (i >= 0 && location_drivers[i + 1])
strlcpy(g_settings.location.driver, location_drivers[i + 1]->ident, sizeof(g_settings.location.driver));
else
RARCH_WARN("Couldn't find any next location driver (current one: \"%s\").\n", g_settings.location.driver);
}
#endif
static int find_audio_driver_index(const char *driver)
{
unsigned i;
for (i = 0; audio_drivers[i]; i++)
if (strcasecmp(driver, audio_drivers[i]->ident) == 0)
return i;
return -1;
}
static int find_video_driver_index(const char *driver)
{
unsigned i;
for (i = 0; video_drivers[i]; i++)
if (strcasecmp(driver, video_drivers[i]->ident) == 0)
return i;
return -1;
}
static int find_input_driver_index(const char *driver)
{
unsigned i;
for (i = 0; input_drivers[i]; i++)
if (strcasecmp(driver, input_drivers[i]->ident) == 0)
return i;
return -1;
}
static void find_audio_driver(void)
{
int i = find_audio_driver_index(g_settings.audio.driver);
if (i >= 0)
driver.audio = audio_drivers[i];
else
{
unsigned d;
RARCH_ERR("Couldn't find any audio driver named \"%s\"\n", g_settings.audio.driver);
RARCH_LOG_OUTPUT("Available audio drivers are:\n");
for (d = 0; audio_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", audio_drivers[d]->ident);
rarch_fail(1, "find_audio_driver()");
}
}
void find_prev_audio_driver(void)
{
int i = find_audio_driver_index(g_settings.audio.driver);
if (i > 0)
strlcpy(g_settings.audio.driver, audio_drivers[i - 1]->ident, sizeof(g_settings.audio.driver));
else
RARCH_WARN("Couldn't find any previous audio driver (current one: \"%s\").\n", g_settings.audio.driver);
}
void find_next_audio_driver(void)
{
int i = find_audio_driver_index(g_settings.audio.driver);
if (i >= 0 && audio_drivers[i + 1])
strlcpy(g_settings.audio.driver, audio_drivers[i + 1]->ident, sizeof(g_settings.audio.driver));
else
RARCH_WARN("Couldn't find any next audio driver (current one: \"%s\").\n", g_settings.audio.driver);
}
static void find_video_driver(void)
{
#if defined(HAVE_OPENGL) && defined(HAVE_FBO)
if (g_extern.system.hw_render_callback.context_type)
{
RARCH_LOG("Using HW render, OpenGL driver forced.\n");
driver.video = &video_gl;
return;
}
#endif
int i = find_video_driver_index(g_settings.video.driver);
if (i >= 0)
driver.video = video_drivers[i];
else
{
unsigned d;
RARCH_ERR("Couldn't find any video driver named \"%s\"\n", g_settings.video.driver);
RARCH_LOG_OUTPUT("Available video drivers are:\n");
for (d = 0; video_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", video_drivers[d]->ident);
rarch_fail(1, "find_video_driver()");
}
}
void find_prev_video_driver(void)
{
// No need to enforce GL if HW render. This is done at driver init anyways.
int i = find_video_driver_index(g_settings.video.driver);
if (i > 0)
strlcpy(g_settings.video.driver, video_drivers[i - 1]->ident, sizeof(g_settings.video.driver));
else
RARCH_WARN("Couldn't find any previous video driver (current one: \"%s\").\n", g_settings.video.driver);
}
void find_next_video_driver(void)
{
// No need to enforce GL if HW render. This is done at driver init anyways.
int i = find_video_driver_index(g_settings.video.driver);
if (i >= 0 && video_drivers[i + 1])
strlcpy(g_settings.video.driver, video_drivers[i + 1]->ident, sizeof(g_settings.video.driver));
else
RARCH_WARN("Couldn't find any next video driver (current one: \"%s\").\n", g_settings.video.driver);
}
static void find_input_driver(void)
{
int i = find_input_driver_index(g_settings.input.driver);
if (i >= 0)
driver.input = input_drivers[i];
else
{
unsigned d;
RARCH_ERR("Couldn't find any input driver named \"%s\"\n", g_settings.input.driver);
RARCH_LOG_OUTPUT("Available input drivers are:\n");
for (d = 0; input_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", input_drivers[d]->ident);
rarch_fail(1, "find_input_driver()");
}
}
void find_prev_input_driver(void)
{
int i = find_input_driver_index(g_settings.input.driver);
if (i > 0)
strlcpy(g_settings.input.driver, input_drivers[i - 1]->ident, sizeof(g_settings.input.driver));
else
RARCH_ERR("Couldn't find any previous input driver (current one: \"%s\").\n", g_settings.input.driver);
}
void find_next_input_driver(void)
{
int i = find_input_driver_index(g_settings.input.driver);
if (i >= 0 && input_drivers[i + 1])
strlcpy(g_settings.input.driver, input_drivers[i + 1]->ident, sizeof(g_settings.input.driver));
else
RARCH_ERR("Couldn't find any next input driver (current one: \"%s\").\n", g_settings.input.driver);
}
void init_drivers_pre(void)
{
find_audio_driver();
find_video_driver();
find_input_driver();
#ifdef HAVE_CAMERA
find_camera_driver();
#endif
#ifdef HAVE_LOCATION
find_location_driver();
#endif
#ifdef HAVE_OSK
find_osk_driver();
#endif
}
static void adjust_system_rates(void)
{
g_extern.system.force_nonblock = false;
const struct retro_system_timing *info = &g_extern.system.av_info.timing;
if (info->fps <= 0.0 || info->sample_rate <= 0.0)
return;
float timing_skew = fabs(1.0f - info->fps / g_settings.video.refresh_rate);
if (timing_skew > 0.05f) // We don't want to adjust pitch too much. If we have extreme cases, just don't readjust at all.
{
RARCH_LOG("Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2f Hz)\n",
g_settings.video.refresh_rate,
(float)info->fps);
// We won't be able to do VSync reliably as game FPS > monitor FPS.
if (info->fps > g_settings.video.refresh_rate)
{
g_extern.system.force_nonblock = true;
RARCH_LOG("Game FPS > Monitor FPS. Cannot rely on VSync.\n");
}
g_settings.audio.in_rate = info->sample_rate;
}
else
g_settings.audio.in_rate = info->sample_rate *
(g_settings.video.refresh_rate / info->fps);
RARCH_LOG("Set audio input rate to: %.2f Hz.\n", g_settings.audio.in_rate);
if (driver.video_data)
{
if (g_extern.system.force_nonblock)
video_set_nonblock_state_func(true);
else
driver_set_nonblock_state(driver.nonblock_state);
}
}
void driver_set_monitor_refresh_rate(float hz)
{
char msg[256];
snprintf(msg, sizeof(msg), "Setting refresh rate to: %.3f Hz.", hz);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
g_settings.video.refresh_rate = hz;
adjust_system_rates();
g_extern.audio_data.orig_src_ratio =
g_extern.audio_data.src_ratio =
(double)g_settings.audio.out_rate / g_settings.audio.in_rate;
}
void driver_set_nonblock_state(bool nonblock)
{
// Only apply non-block-state for video if we're using vsync.
if (g_extern.video_active && driver.video_data)
{
bool video_nb = nonblock;
if (!g_settings.video.vsync || g_extern.system.force_nonblock)
video_nb = true;
video_set_nonblock_state_func(video_nb);
}
if (g_extern.audio_active && driver.audio_data)
audio_set_nonblock_state_func(g_settings.audio.sync ? nonblock : true);
g_extern.audio_data.chunk_size = nonblock ?
g_extern.audio_data.nonblock_chunk_size : g_extern.audio_data.block_chunk_size;
}
bool driver_set_rumble_state(unsigned port, enum retro_rumble_effect effect, uint16_t strength)
{
if (driver.input && driver.input_data && driver.input->set_rumble)
return driver.input->set_rumble(driver.input_data, port, effect, strength);
else
return false;
}
bool driver_set_sensor_state(unsigned port, enum retro_sensor_action action, unsigned rate)
{
if (driver.input && driver.input_data && driver.input->set_sensor_state)
return driver.input->set_sensor_state(driver.input_data, port, action, rate);
else
return false;
}
#ifdef HAVE_CAMERA
bool driver_camera_start(void)
{
if (driver.camera && driver.camera_data)
return driver.camera->start(driver.camera_data);
else
return false;
}
void driver_camera_stop(void)
{
if (driver.camera && driver.camera_data)
driver.camera->stop(driver.camera_data);
}
void driver_camera_poll(void)
{
if (driver.camera && 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);
}
}
#endif
#ifdef HAVE_LOCATION
bool driver_location_start(void)
{
if (driver.location && driver.location_data)
return driver.location->start(driver.location_data);
else
return false;
}
void driver_location_stop(void)
{
if (driver.location && driver.location_data)
driver.location->stop(driver.location_data);
}
void driver_location_set_interval(unsigned interval_msecs, unsigned interval_distance)
{
if (driver.location && driver.location_data)
driver.location->set_interval(driver.location_data, interval_msecs, interval_distance);
}
bool driver_location_get_position(double *lat, double *lon, double *accuracy)
{
if (driver.location && driver.location_data)
return driver.location->get_position(driver.location_data, lat, lon, accuracy);
*lat = 0.0;
*lon = 0.0;
*accuracy = 0.0;
return false;
}
#endif
uintptr_t driver_get_current_framebuffer(void)
{
#ifdef HAVE_FBO
if (driver.video_poke && driver.video_poke->get_current_framebuffer)
return driver.video_poke->get_current_framebuffer(driver.video_data);
else
#endif
return 0;
}
retro_proc_address_t driver_get_proc_address(const char *sym)
{
#ifdef HAVE_FBO
if (driver.video_poke && driver.video_poke->get_proc_address)
return driver.video_poke->get_proc_address(driver.video_data, sym);
else
#endif
return NULL;
}
// Only called once on init and deinit.
// Video and input drivers need to be active (owned)
// before retroarch core starts.
// Core handles audio.
void global_init_drivers(void)
{
unsigned i;
find_audio_driver();
find_input_driver();
init_video_input();
for (i = 0; i < MAX_PLAYERS; i++)
if (driver.input->set_keybinds)
driver.input->set_keybinds(driver.input_data, g_settings.input.device[i], i, 0,
(1ULL << KEYBINDS_ACTION_SET_DEFAULT_BINDS));
}
void global_uninit_drivers(void)
{
if (driver.video && driver.video_data)
{
driver.video->free(driver.video_data);
driver.video_data = NULL;
}
if (driver.input && driver.input_data)
{
driver.input->free(driver.input_data);
driver.input_data = NULL;
}
#ifdef HAVE_CAMERA
if (driver.camera && driver.camera_data)
{
if (g_extern.system.camera_callback.deinitialized)
g_extern.system.camera_callback.deinitialized();
driver.camera->free(driver.camera_data);
driver.camera_data = NULL;
}
#endif
#ifdef HAVE_LOCATION
if (driver.location && driver.location_data)
{
driver.location->free(driver.location_data);
driver.location_data = NULL;
}
#endif
#ifdef HAVE_OSK
if (driver.osk && driver.osk_data)
{
driver.osk->free(driver.osk_data);
driver.osk_data = NULL;
}
#endif
}
#ifdef HAVE_CAMERA
void init_camera(void)
{
// Resource leaks will follow if camera is initialized twice.
if (driver.camera_data)
return;
find_camera_driver();
driver.camera_data = camera_init_func(
*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");
g_extern.camera_active = false;
}
if (g_extern.system.camera_callback.initialized)
g_extern.system.camera_callback.initialized();
}
#endif
#ifdef HAVE_LOCATION
void init_location(void)
{
// Resource leaks will follow if location interface is initialized twice.
if (driver.location_data)
return;
find_location_driver();
driver.location_data = location_init_func();
if (!driver.location_data)
{
RARCH_ERR("Failed to initialize location driver. Will continue without location.\n");
g_extern.location_active = false;
}
}
#endif
#ifdef HAVE_OSK
void init_osk(void)
{
// Resource leaks will follow if osk is initialized twice.
if (driver.osk_data)
return;
find_osk_driver();
//FIXME - refactor params later based on semantics
driver.osk_data = osk_init_func(0);
if (!driver.osk_data)
{
RARCH_ERR("Failed to initialize OSK driver. Will continue without OSK.\n");
g_extern.osk_active = false;
}
}
#endif
void init_drivers(void)
{
driver.video_data_own = !driver.video_data;
driver.audio_data_own = !driver.audio_data;
driver.input_data_own = !driver.input_data;
#ifdef HAVE_CAMERA
driver.camera_data_own = !driver.camera_data;
#endif
#ifdef HAVE_LOCATION
driver.location_data_own = !driver.location_data;
#endif
#ifdef HAVE_OSK
driver.osk_data_own = !driver.osk_data;
#endif
adjust_system_rates();
g_extern.frame_count = 0;
init_video_input();
if (!driver.video_cache_context_ack && g_extern.system.hw_render_callback.context_reset)
g_extern.system.hw_render_callback.context_reset();
driver.video_cache_context_ack = false;
init_audio();
#ifdef HAVE_CAMERA
// Only init camera driver if we're ever going to use it.
if (g_extern.camera_active)
init_camera();
#endif
#ifdef HAVE_LOCATION
// Only init location driver if we're ever going to use it.
if (g_extern.location_active)
init_location();
#endif
#ifdef HAVE_OSK
init_osk();
#endif
// Keep non-throttled state as good as possible.
if (driver.nonblock_state)
driver_set_nonblock_state(driver.nonblock_state);
g_extern.system.frame_time_last = 0;
}
#ifdef HAVE_CAMERA
void uninit_camera(void)
{
if (driver.camera_data && driver.camera)
{
if (g_extern.system.camera_callback.deinitialized)
g_extern.system.camera_callback.deinitialized();
driver.camera->free(driver.camera_data);
}
}
#endif
#ifdef HAVE_LOCATION
void uninit_location(void)
{
if (driver.location_data && driver.location)
driver.location->free(driver.location_data);
}
#endif
#ifdef HAVE_OSK
void uninit_osk(void)
{
if (driver.osk_data && driver.osk)
driver.osk->free(driver.osk_data);
}
#endif
void uninit_drivers(void)
{
uninit_audio();
if (g_extern.system.hw_render_callback.context_destroy && !driver.video_cache_context)
g_extern.system.hw_render_callback.context_destroy();
uninit_video_input();
#ifdef HAVE_CAMERA
uninit_camera();
if (driver.camera_data_own)
driver.camera_data = NULL;
#endif
#ifdef HAVE_LOCATION
uninit_location();
if (driver.location_data_own)
driver.location_data = NULL;
#endif
#ifdef HAVE_OSK
uninit_osk();
if (driver.osk_data_own)
driver.osk_data = NULL;
#endif
if (driver.video_data_own)
driver.video_data = NULL;
if (driver.audio_data_own)
driver.audio_data = NULL;
if (driver.input_data_own)
driver.input_data = NULL;
#ifdef HAVE_CAMERA
driver.camera_data_own = false;
#endif
#ifdef HAVE_LOCATION
driver.location_data_own = false;
#endif
#ifdef HAVE_OSK
driver.osk_data_own = false;
#endif
driver.video_data_own = false;
driver.audio_data_own = false;
driver.input_data_own = false;
}
#ifdef HAVE_DYLIB
static void init_dsp_plugin(void)
{
if (!(*g_settings.audio.dsp_plugin))
return;
rarch_dsp_info_t info = {0};
g_extern.audio_data.dsp_lib = dylib_load(g_settings.audio.dsp_plugin);
if (!g_extern.audio_data.dsp_lib)
{
RARCH_ERR("Failed to open DSP plugin: \"%s\" ...\n", g_settings.audio.dsp_plugin);
return;
}
const rarch_dsp_plugin_t* (RARCH_API_CALLTYPE *plugin_init)(void) =
(const rarch_dsp_plugin_t *(RARCH_API_CALLTYPE*)(void))dylib_proc(g_extern.audio_data.dsp_lib, "rarch_dsp_plugin_init");
if (!plugin_init)
{
RARCH_ERR("Failed to find symbol \"rarch_dsp_plugin_init\" in DSP plugin.\n");
goto error;
}
g_extern.audio_data.dsp_plugin = plugin_init();
if (!g_extern.audio_data.dsp_plugin)
{
RARCH_ERR("Failed to get a valid DSP plugin.\n");
goto error;
}
if (g_extern.audio_data.dsp_plugin->api_version != RARCH_DSP_API_VERSION)
{
RARCH_ERR("DSP plugin API mismatch. RetroArch: %d, Plugin: %d\n", RARCH_DSP_API_VERSION, g_extern.audio_data.dsp_plugin->api_version);
goto error;
}
RARCH_LOG("Loaded DSP plugin: \"%s\"\n", g_extern.audio_data.dsp_plugin->ident ? g_extern.audio_data.dsp_plugin->ident : "Unknown");
info.input_rate = g_settings.audio.in_rate;
g_extern.audio_data.dsp_handle = g_extern.audio_data.dsp_plugin->init(&info);
if (!g_extern.audio_data.dsp_handle)
{
RARCH_ERR("Failed to init DSP plugin.\n");
goto error;
}
return;
error:
if (g_extern.audio_data.dsp_lib)
dylib_close(g_extern.audio_data.dsp_lib);
g_extern.audio_data.dsp_plugin = NULL;
g_extern.audio_data.dsp_lib = NULL;
}
static void deinit_dsp_plugin(void)
{
if (g_extern.audio_data.dsp_lib && g_extern.audio_data.dsp_plugin)
{
g_extern.audio_data.dsp_plugin->free(g_extern.audio_data.dsp_handle);
dylib_close(g_extern.audio_data.dsp_lib);
}
}
#endif
void init_audio(void)
{
audio_convert_init_simd();
// Resource leaks will follow if audio is initialized twice.
if (driver.audio_data)
return;
// Accomodate rewind since at some point we might have two full buffers.
size_t max_bufsamples = AUDIO_CHUNK_SIZE_NONBLOCKING * 2;
size_t outsamples_max = max_bufsamples * AUDIO_MAX_RATIO * g_settings.slowmotion_ratio;
// Used for recording even if audio isn't enabled.
rarch_assert(g_extern.audio_data.conv_outsamples = (int16_t*)malloc(outsamples_max * sizeof(int16_t)));
g_extern.audio_data.block_chunk_size = AUDIO_CHUNK_SIZE_BLOCKING;
g_extern.audio_data.nonblock_chunk_size = AUDIO_CHUNK_SIZE_NONBLOCKING;
g_extern.audio_data.chunk_size = g_extern.audio_data.block_chunk_size;
// Needs to be able to hold full content of a full max_bufsamples in addition to its own.
rarch_assert(g_extern.audio_data.rewind_buf = (int16_t*)malloc(max_bufsamples * sizeof(int16_t)));
g_extern.audio_data.rewind_size = max_bufsamples;
if (!g_settings.audio.enable)
{
g_extern.audio_active = false;
return;
}
#ifdef HAVE_THREADS
find_audio_driver();
if (g_extern.system.audio_callback.callback)
{
RARCH_LOG("Starting threaded audio driver ...\n");
if (!rarch_threaded_audio_init(&driver.audio, &driver.audio_data,
*g_settings.audio.device ? g_settings.audio.device : NULL,
g_settings.audio.out_rate, g_settings.audio.latency,
driver.audio))
{
RARCH_ERR("Cannot open threaded audio driver ... Exiting ...\n");
rarch_fail(1, "init_audio()");
}
}
else
#endif
{
driver.audio_data = audio_init_func(*g_settings.audio.device ? g_settings.audio.device : NULL,
g_settings.audio.out_rate, g_settings.audio.latency);
}
if (!driver.audio_data)
{
RARCH_ERR("Failed to initialize audio driver. Will continue without audio.\n");
g_extern.audio_active = false;
}
g_extern.audio_data.use_float = false;
if (g_extern.audio_active && driver.audio->use_float && audio_use_float_func())
g_extern.audio_data.use_float = true;
if (!g_settings.audio.sync && g_extern.audio_active)
{
audio_set_nonblock_state_func(true);
g_extern.audio_data.chunk_size = g_extern.audio_data.nonblock_chunk_size;
}
g_extern.audio_data.orig_src_ratio =
g_extern.audio_data.src_ratio =
(double)g_settings.audio.out_rate / g_settings.audio.in_rate;
const char *resampler = *g_settings.audio.resampler ? g_settings.audio.resampler : NULL;
if (!rarch_resampler_realloc(&g_extern.audio_data.resampler_data, &g_extern.audio_data.resampler,
resampler, g_extern.audio_data.orig_src_ratio))
{
RARCH_ERR("Failed to initialize resampler \"%s\".\n", resampler ? resampler : "(default)");
g_extern.audio_active = false;
}
rarch_assert(g_extern.audio_data.data = (float*)malloc(max_bufsamples * sizeof(float)));
g_extern.audio_data.data_ptr = 0;
rarch_assert(g_settings.audio.out_rate < g_settings.audio.in_rate * AUDIO_MAX_RATIO);
rarch_assert(g_extern.audio_data.outsamples = (float*)malloc(outsamples_max * sizeof(float)));
g_extern.audio_data.rate_control = false;
if (!g_extern.system.audio_callback.callback && g_extern.audio_active && g_settings.audio.rate_control)
{
if (driver.audio->buffer_size && driver.audio->write_avail)
{
g_extern.audio_data.driver_buffer_size = audio_buffer_size_func();
g_extern.audio_data.rate_control = true;
}
else
RARCH_WARN("Audio rate control was desired, but driver does not support needed features.\n");
}
g_extern.audio_data.volume_db = g_settings.audio.volume;
g_extern.audio_data.volume_gain = db_to_gain(g_settings.audio.volume);
#ifdef HAVE_DYLIB
init_dsp_plugin();
#endif
g_extern.measure_data.buffer_free_samples_count = 0;
if (g_extern.audio_active && !g_extern.audio_data.mute && g_extern.system.audio_callback.callback) // Threaded driver is initially stopped.
audio_start_func();
}
static void compute_audio_buffer_statistics(void)
{
unsigned i, samples;
samples = min(g_extern.measure_data.buffer_free_samples_count, AUDIO_BUFFER_FREE_SAMPLES_COUNT);
if (samples < 3)
return;
uint64_t accum = 0;
for (i = 1; i < samples; i++)
accum += g_extern.measure_data.buffer_free_samples[i];
int avg = accum / (samples - 1);
uint64_t accum_var = 0;
for (i = 1; i < samples; i++)
{
int diff = avg - g_extern.measure_data.buffer_free_samples[i];
accum_var += diff * diff;
}
unsigned stddev = (unsigned)sqrt((double)accum_var / (samples - 2));
float avg_filled = 1.0f - (float)avg / g_extern.audio_data.driver_buffer_size;
float deviation = (float)stddev / g_extern.audio_data.driver_buffer_size;
unsigned low_water_size = g_extern.audio_data.driver_buffer_size * 3 / 4;
unsigned high_water_size = g_extern.audio_data.driver_buffer_size / 4;
unsigned low_water_count = 0;
unsigned high_water_count = 0;
for (i = 1; i < samples; i++)
{
if (g_extern.measure_data.buffer_free_samples[i] >= low_water_size)
low_water_count++;
else if (g_extern.measure_data.buffer_free_samples[i] <= high_water_size)
high_water_count++;
}
RARCH_LOG("Average audio buffer saturation: %.2f %%, standard deviation (percentage points): %.2f %%.\n",
avg_filled * 100.0, deviation * 100.0);
RARCH_LOG("Amount of time spent close to underrun: %.2f %%. Close to blocking: %.2f %%.\n",
(100.0 * low_water_count) / (samples - 1),
(100.0 * high_water_count) / (samples - 1));
}
bool driver_monitor_fps_statistics(double *refresh_rate, double *deviation, unsigned *sample_points)
{
unsigned i;
if (g_settings.video.threaded)
return false;
unsigned samples = min(MEASURE_FRAME_TIME_SAMPLES_COUNT, g_extern.measure_data.frame_time_samples_count);
if (samples < 2)
return false;
// Measure statistics on frame time (microsecs), *not* FPS.
retro_time_t accum = 0;
for (i = 0; i < samples; i++)
accum += g_extern.measure_data.frame_time_samples[i];
#if 0
for (i = 0; i < samples; i++)
RARCH_LOG("Interval #%u: %d usec / frame.\n",
i, (int)g_extern.measure_data.frame_time_samples[i]);
#endif
retro_time_t avg = accum / samples;
retro_time_t accum_var = 0;
// Drop first measurement. It is likely to be bad.
for (i = 0; i < samples; i++)
{
retro_time_t diff = g_extern.measure_data.frame_time_samples[i] - avg;
accum_var += diff * diff;
}
*deviation = sqrt((double)accum_var / (samples - 1)) / avg;
*refresh_rate = 1000000.0 / avg;
*sample_points = samples;
return true;
}
static void compute_monitor_fps_statistics(void)
{
if (g_settings.video.threaded)
{
RARCH_LOG("Monitor FPS estimation is disabled for threaded video.\n");
return;
}
if (g_extern.measure_data.frame_time_samples_count < 2 * MEASURE_FRAME_TIME_SAMPLES_COUNT)
{
RARCH_LOG("Does not have enough samples for monitor refresh rate estimation. Requires to run for at least %u frames.\n",
2 * MEASURE_FRAME_TIME_SAMPLES_COUNT);
return;
}
double avg_fps = 0.0;
double stddev = 0.0;
unsigned samples = 0;
if (driver_monitor_fps_statistics(&avg_fps, &stddev, &samples))
{
RARCH_LOG("Average monitor Hz: %.6f Hz. (%.3f %% frame time deviation, based on %u last samples).\n",
avg_fps, 100.0 * stddev, samples);
}
}
void uninit_audio(void)
{
if (driver.audio_data && driver.audio)
driver.audio->free(driver.audio_data);
free(g_extern.audio_data.conv_outsamples);
g_extern.audio_data.conv_outsamples = NULL;
g_extern.audio_data.data_ptr = 0;
free(g_extern.audio_data.rewind_buf);
g_extern.audio_data.rewind_buf = NULL;
if (!g_settings.audio.enable)
{
g_extern.audio_active = false;
return;
}
rarch_resampler_freep(&g_extern.audio_data.resampler, &g_extern.audio_data.resampler_data);
free(g_extern.audio_data.data);
g_extern.audio_data.data = NULL;
free(g_extern.audio_data.outsamples);
g_extern.audio_data.outsamples = NULL;
#ifdef HAVE_DYLIB
deinit_dsp_plugin();
#endif
compute_audio_buffer_statistics();
}
#ifdef HAVE_DYLIB
static void deinit_filter(void)
{
g_extern.filter.active = false;
if (g_extern.filter.lib)
dylib_close(g_extern.filter.lib);
g_extern.filter.lib = NULL;
free(g_extern.filter.buffer);
free(g_extern.filter.colormap);
free(g_extern.filter.scaler_out);
g_extern.filter.buffer = NULL;
g_extern.filter.colormap = NULL;
g_extern.filter.scaler_out = NULL;
scaler_ctx_gen_reset(&g_extern.filter.scaler);
memset(&g_extern.filter.scaler, 0, sizeof(g_extern.filter.scaler));
}
static void init_filter(bool rgb32)
{
unsigned i;
if (g_extern.filter.active)
return;
if (!*g_settings.video.filter_path)
return;
if (g_extern.system.hw_render_callback.context_type)
{
RARCH_WARN("Cannot use CPU filters when hardware rendering is used.\n");
return;
}
RARCH_LOG("Loading bSNES filter from \"%s\"\n", g_settings.video.filter_path);
g_extern.filter.lib = dylib_load(g_settings.video.filter_path);
if (!g_extern.filter.lib)
{
RARCH_ERR("Failed to load filter \"%s\"\n", g_settings.video.filter_path);
return;
}
struct retro_game_geometry *geom = &g_extern.system.av_info.geometry;
unsigned width = geom->max_width;
unsigned height = geom->max_height;
unsigned pow2_x = 0;
unsigned pow2_y = 0;
unsigned maxsize = 0;
g_extern.filter.psize =
(void (*)(unsigned*, unsigned*))dylib_proc(g_extern.filter.lib, "filter_size");
g_extern.filter.prender =
(void (*)(uint32_t*, uint32_t*,
unsigned, const uint16_t*,
unsigned, unsigned, unsigned))dylib_proc(g_extern.filter.lib, "filter_render");
if (!g_extern.filter.psize || !g_extern.filter.prender)
{
RARCH_ERR("Failed to find functions in filter...\n");
goto error;
}
g_extern.filter.active = true;
g_extern.filter.psize(&width, &height);
pow2_x = next_pow2(width);
pow2_y = next_pow2(height);
maxsize = pow2_x > pow2_y ? pow2_x : pow2_y;
g_extern.filter.scale = maxsize / RARCH_SCALE_BASE;
g_extern.filter.buffer = (uint32_t*)malloc(RARCH_SCALE_BASE * RARCH_SCALE_BASE *
g_extern.filter.scale * g_extern.filter.scale * sizeof(uint32_t));
if (!g_extern.filter.buffer)
goto error;
g_extern.filter.pitch = RARCH_SCALE_BASE * g_extern.filter.scale * sizeof(uint32_t);
g_extern.filter.colormap = (uint32_t*)malloc(0x10000 * sizeof(uint32_t));
if (!g_extern.filter.colormap)
goto error;
// Set up conversion map from 16-bit XRGB1555 to 32-bit ARGB.
for (i = 0; i < 0x10000; i++)
{
unsigned r = (i >> 10) & 0x1f;
unsigned g = (i >> 5) & 0x1f;
unsigned b = (i >> 0) & 0x1f;
r = (r << 3) | (r >> 2);
g = (g << 3) | (g >> 2);
b = (b << 3) | (b >> 2);
g_extern.filter.colormap[i] = (r << 16) | (g << 8) | (b << 0);
}
g_extern.filter.scaler_out = (uint16_t*)malloc(sizeof(uint16_t) * geom->max_width * geom->max_height);
if (!g_extern.filter.scaler_out)
goto error;
g_extern.filter.scaler.scaler_type = SCALER_TYPE_POINT;
g_extern.filter.scaler.in_fmt = rgb32 ? SCALER_FMT_ARGB8888 : SCALER_FMT_RGB565;
g_extern.filter.scaler.out_fmt = SCALER_FMT_0RGB1555;
if (!scaler_ctx_gen_filter(&g_extern.filter.scaler))
goto error;
return;
error:
RARCH_ERR("CPU filter init failed.\n");
deinit_filter();
}
#endif
static void deinit_shader_dir(void)
{
// It handles NULL, no worries :D
dir_list_free(g_extern.shader_dir.list);
g_extern.shader_dir.list = NULL;
g_extern.shader_dir.ptr = 0;
}
static void init_shader_dir(void)
{
unsigned i;
if (!*g_settings.video.shader_dir)
return;
g_extern.shader_dir.list = dir_list_new(g_settings.video.shader_dir, "shader|cg|cgp|glsl|glslp", false);
if (!g_extern.shader_dir.list || g_extern.shader_dir.list->size == 0)
{
deinit_shader_dir();
return;
}
g_extern.shader_dir.ptr = 0;
dir_list_sort(g_extern.shader_dir.list, false);
for (i = 0; i < g_extern.shader_dir.list->size; i++)
RARCH_LOG("Found shader \"%s\"\n", g_extern.shader_dir.list->elems[i].data);
}
static void deinit_pixel_converter(void)
{
scaler_ctx_gen_reset(&driver.scaler);
memset(&driver.scaler, 0, sizeof(driver.scaler));
free(driver.scaler_out);
driver.scaler_out = NULL;
}
static bool init_video_pixel_converter(unsigned size)
{
// This function can be called multiple times without deiniting first on consoles.
deinit_pixel_converter();
if (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555)
{
RARCH_WARN("0RGB1555 pixel format is deprecated, and will be slower. For 15/16-bit, RGB565 format is preferred.\n");
driver.scaler.scaler_type = SCALER_TYPE_POINT;
driver.scaler.in_fmt = SCALER_FMT_0RGB1555;
// TODO: Pick either ARGB8888 or RGB565 depending on driver ...
driver.scaler.out_fmt = SCALER_FMT_RGB565;
if (!scaler_ctx_gen_filter(&driver.scaler))
return false;
driver.scaler_out = calloc(sizeof(uint16_t), size * size);
}
return true;
}
void init_video_input(void)
{
#ifdef HAVE_DYLIB
init_filter(g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
#endif
init_shader_dir();
const struct retro_game_geometry *geom = &g_extern.system.av_info.geometry;
unsigned max_dim = max(geom->max_width, geom->max_height);
unsigned scale = next_pow2(max_dim) / RARCH_SCALE_BASE;
scale = max(scale, 1);
if (g_extern.filter.active)
scale = g_extern.filter.scale;
// Update core-dependent aspect ratio values.
gfx_set_square_pixel_viewport(geom->base_width, geom->base_height);
gfx_set_core_viewport();
gfx_set_config_viewport();
// Update CUSTOM viewport.
rarch_viewport_t *custom_vp = &g_extern.console.screen.viewports.custom_vp;
if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
float default_aspect = aspectratio_lut[ASPECT_RATIO_CORE].value;
aspectratio_lut[ASPECT_RATIO_CUSTOM].value = (custom_vp->width && custom_vp->height) ?
(float)custom_vp->width / custom_vp->height : default_aspect;
}
g_extern.system.aspect_ratio = aspectratio_lut[g_settings.video.aspect_ratio_idx].value;
unsigned width;
unsigned height;
if (g_settings.video.fullscreen)
{
width = g_settings.video.fullscreen_x;
height = g_settings.video.fullscreen_y;
}
else
{
if (g_settings.video.force_aspect)
{
// Do rounding here to simplify integer scale correctness.
unsigned base_width = roundf(geom->base_height * g_extern.system.aspect_ratio);
width = roundf(base_width * g_settings.video.xscale);
height = roundf(geom->base_height * g_settings.video.yscale);
}
else
{
width = roundf(geom->base_width * g_settings.video.xscale);
height = roundf(geom->base_height * g_settings.video.yscale);
}
}
if (width && height)
RARCH_LOG("Video @ %ux%u\n", width, height);
else
RARCH_LOG("Video @ fullscreen\n");
driver.display_type = RARCH_DISPLAY_NONE;
driver.video_display = 0;
driver.video_window = 0;
if (!init_video_pixel_converter(RARCH_SCALE_BASE * scale))
{
RARCH_ERR("Failed to init pixel converter.\n");
rarch_fail(1, "init_video_input()");
}
video_info_t video = {0};
video.width = width;
video.height = height;
video.fullscreen = g_settings.video.fullscreen;
video.vsync = g_settings.video.vsync && !g_extern.system.force_nonblock;
video.force_aspect = g_settings.video.force_aspect;
video.smooth = g_settings.video.smooth;
video.input_scale = scale;
video.rgb32 = g_extern.filter.active || (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
const input_driver_t *tmp = driver.input;
find_video_driver(); // Need to grab the "real" video driver interface on a reinit.
#ifdef HAVE_THREADS
if (g_settings.video.threaded && !g_extern.system.hw_render_callback.context_type) // Can't do hardware rendering with threaded driver currently.
{
RARCH_LOG("Starting threaded video driver ...\n");
if (!rarch_threaded_video_init(&driver.video, &driver.video_data,
&driver.input, &driver.input_data,
driver.video, &video))
{
RARCH_ERR("Cannot open threaded video driver ... Exiting ...\n");
rarch_fail(1, "init_video_input()");
}
}
else
#endif
driver.video_data = video_init_func(&video, &driver.input, &driver.input_data);
if (driver.video_data == NULL)
{
RARCH_ERR("Cannot open video driver ... Exiting ...\n");
rarch_fail(1, "init_video_input()");
}
driver.video_poke = NULL;
if (driver.video->poke_interface)
driver.video->poke_interface(driver.video_data, &driver.video_poke);
// Force custom viewport to have sane parameters.
if (driver.video->viewport_info && (!custom_vp->width || !custom_vp->height))
{
custom_vp->width = width;
custom_vp->height = height;
driver.video->viewport_info(driver.video_data, custom_vp);
}
if (driver.video->set_rotation)
video_set_rotation_func((g_settings.video.rotation + g_extern.system.rotation) % 4);
#ifdef HAVE_X11
if (driver.display_type == RARCH_DISPLAY_X11)
{
RARCH_LOG("Suspending screensaver (X11).\n");
x11_suspend_screensaver(driver.video_window);
}
#endif
// Video driver didn't provide an input driver so we use configured one.
if (driver.input == NULL)
{
RARCH_LOG("Graphics driver did not initialize an input driver. Attempting to pick a suitable driver.\n");
driver.input = tmp;
if (driver.input != NULL)
{
driver.input_data = input_init_func();
if (driver.input_data == NULL)
{
RARCH_ERR("Cannot init input driver. Exiting ...\n");
rarch_fail(1, "init_video_input()");
}
}
else
{
RARCH_ERR("Cannot find input driver. Exiting ...\n");
rarch_fail(1, "init_video_input()");
}
}
#ifdef HAVE_OVERLAY
if (driver.overlay)
{
input_overlay_free(driver.overlay);
driver.overlay = NULL;
}
if (*g_settings.input.overlay)
{
driver.overlay = input_overlay_new(g_settings.input.overlay);
if (!driver.overlay)
RARCH_ERR("Failed to load overlay.\n");
}
#endif
g_extern.measure_data.frame_time_samples_count = 0;
}
void uninit_video_input(void)
{
#ifdef HAVE_OVERLAY
if (driver.overlay)
{
input_overlay_free(driver.overlay);
driver.overlay = NULL;
memset(&driver.overlay_state, 0, sizeof(driver.overlay_state));
}
#endif
if (driver.input_data != driver.video_data && driver.input)
input_free_func();
if (driver.video_data && driver.video)
video_free_func();
deinit_pixel_converter();
#ifdef HAVE_DYLIB
deinit_filter();
#endif
deinit_shader_dir();
compute_monitor_fps_statistics();
}
driver_t driver;
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