libretro/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch.git synced 2024-10-08 07:03:30 +00:00
Code Issues Actions 23 Packages Projects Releases Wiki Activity

Merge pull request #12337 from Jamiras/ff_slow

Browse Source 
enforce minimum fastforward_ratio of 1.0
This commit is contained in:
Autechre 2021-04-29 15:09:55 +02:00 committed by GitHub
commit 10c1361751
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
retroarch.c
View File

@ -12699,15 +12699,12 @@ static void command_event_runtime_log_init(struct rarch_state *p_rarch)
static void retroarch_set_frame_limit(
struct rarch_state *p_rarch,
float fastforward_ratio_orig)
float fastforward_ratio)
{
struct retro_system_av_info *av_info = &p_rarch->video_driver_av_info;
float fastforward_ratio = (fastforward_ratio_orig == 0.0f)
? 1.0f : fastforward_ratio_orig;
const struct retro_system_av_info* av_info = &p_rarch->video_driver_av_info;
p_rarch->frame_limit_last_time = cpu_features_get_time_usec();
p_rarch->frame_limit_minimum_time = (retro_time_t)roundf(1000000.0f
/ (av_info->timing.fps * fastforward_ratio));
p_rarch->frame_limit_minimum_time = (fastforward_ratio < 1.0f) ? 0.0f :
(retro_time_t)roundf(1000000.0f / (av_info->timing.fps * fastforward_ratio));
}
static bool command_event_init_core(
@ -12809,6 +12806,8 @@ static bool command_event_init_core(
return false;
retroarch_set_frame_limit(p_rarch, fastforward_ratio);
p_rarch->frame_limit_last_time = cpu_features_get_time_usec();
command_event_runtime_log_init(p_rarch);
return true;
}
@ -38293,7 +38292,6 @@ int runloop_iterate(void)
unsigned i;
struct rarch_state *p_rarch = &rarch_st;
settings_t *settings = p_rarch->configuration_settings;
float fastforward_ratio = settings->floats.fastforward_ratio;
unsigned video_frame_delay = settings->uints.video_frame_delay;
bool vrr_runloop_enable = settings->bools.vrr_runloop_enable;
unsigned max_users = p_rarch->input_driver_max_users;
@ -38582,14 +38580,11 @@ int runloop_iterate(void)
autosave_unlock();
#endif
/* Condition for max speed x0.0 when vrr_runloop is off to skip that part */
if (!(fastforward_ratio || vrr_runloop_enable))
return 0;
end:
if (vrr_runloop_enable)
{
struct retro_system_av_info *av_info = &p_rarch->video_driver_av_info;
const retro_time_t fastforward_ratio = settings->floats.fastforward_ratio;
/* Sync on video only, block audio later. */
if (p_rarch->fastforward_after_frames && audio_sync)
{
@ -38621,20 +38616,16 @@ end:
}
}
/* Fast Forward for max speed x0.0 */
if (!fastforward_ratio && runloop_state.fastmotion)
return 0;
p_rarch->frame_limit_minimum_time =
(retro_time_t)roundf(1000000.0f / (av_info->timing.fps *
(runloop_state.fastmotion
? fastforward_ratio : 1.0f)));
retroarch_set_frame_limit(p_rarch, runloop_state.fastmotion ? fastforward_ratio : 1.0f);
}
/* if there's a fast forward limit, inject sleeps to keep from going too fast. */
if (p_rarch->frame_limit_minimum_time)
{
retro_time_t to_sleep_ms = (
const retro_time_t end_frame_time = cpu_features_get_time_usec();
const retro_time_t to_sleep_ms = (
(p_rarch->frame_limit_last_time + p_rarch->frame_limit_minimum_time)
- cpu_features_get_time_usec()) / 1000;
- end_frame_time) / 1000;
if (to_sleep_ms > 0)
{
@ -38644,15 +38635,18 @@ end:
p_rarch->frame_limit_last_time += p_rarch->frame_limit_minimum_time;
if (sleep_ms > 0)
{
#if defined(HAVE_COCOATOUCH)
if (!p_rarch->main_ui_companion_is_on_foreground)
#endif
retro_sleep(sleep_ms);
}
return 1;
}
}
p_rarch->frame_limit_last_time = cpu_features_get_time_usec();
p_rarch->frame_limit_last_time = end_frame_time;
}
return 0;
}