static int show_other_input_settings = -1;
static float mouse_sensitivity = 1.0f;
-unsigned frameskip_type = 0;
-unsigned frameskip_threshold = 0;
-unsigned frameskip_counter = 0;
-unsigned frameskip_interval = 0;
-
-int retro_audio_buff_active = false;
-unsigned retro_audio_buff_occupancy = 0;
-int retro_audio_buff_underrun = false;
-
-unsigned retro_audio_latency = 0;
-int update_audio_latency = false;
-
static unsigned previous_width = 0;
static unsigned previous_height = 0;
#endif
}
-static void retro_audio_buff_status_cb(
- bool active, unsigned occupancy, bool underrun_likely)
-{
- retro_audio_buff_active = active;
- retro_audio_buff_occupancy = occupancy;
- retro_audio_buff_underrun = underrun_likely;
-}
-
-static void retro_set_audio_buff_status_cb(void)
-{
- if (frameskip_type > 0)
- {
- struct retro_audio_buffer_status_callback buf_status_cb;
-
- buf_status_cb.callback = retro_audio_buff_status_cb;
- if (!environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK,
- &buf_status_cb))
- {
- retro_audio_buff_active = false;
- retro_audio_buff_occupancy = 0;
- retro_audio_buff_underrun = false;
- retro_audio_latency = 0;
- }
- else
- {
- /* Frameskip is enabled - increase frontend
- * audio latency to minimise potential
- * buffer underruns */
- uint32_t frame_time_usec = 1000000.0 / (is_pal_mode ? 50.0 : 60.0);
-
- /* Set latency to 6x current frame time... */
- retro_audio_latency = (unsigned)(6 * frame_time_usec / 1000);
-
- /* ...then round up to nearest multiple of 32 */
- retro_audio_latency = (retro_audio_latency + 0x1F) & ~0x1F;
- }
- }
- else
- {
- environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK, NULL);
- retro_audio_latency = 0;
- }
-
- update_audio_latency = true;
-}
-
static void update_variables(bool in_flight);
bool retro_load_game(const struct retro_game_info *info)
{
emu_on_new_cd(0);
set_retro_memmap();
- retro_set_audio_buff_status_cb();
return true;
}
#ifdef GPU_PEOPS
int gpu_peops_fix = 0;
#endif
- unsigned prev_frameskip_type;
-
- var.key = "pcsx_rearmed_frameskip_type";
- var.value = NULL;
-
- prev_frameskip_type = frameskip_type;
- frameskip_type = 0;
- pl_rearmed_cbs.frameskip = 0;
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
- {
- if (strcmp(var.value, "auto") == 0)
- frameskip_type = 1;
- if (strcmp(var.value, "auto_threshold") == 0)
- frameskip_type = 2;
- if (strcmp(var.value, "fixed_interval") == 0)
- frameskip_type = 3;
- }
-
- if (frameskip_type != 0)
- pl_rearmed_cbs.frameskip = -1;
-
- var.key = "pcsx_rearmed_frameskip_threshold";
var.value = NULL;
-
- frameskip_threshold = 30;
-
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
- frameskip_threshold = strtol(var.value, NULL, 10);
-
var.key = "pcsx_rearmed_frameskip";
- var.value = NULL;
-
- frameskip_interval = 1;
-
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
- frameskip_interval = strtol(var.value, NULL, 10);
+ pl_rearmed_cbs.frameskip = atoi(var.value);
var.value = NULL;
var.key = "pcsx_rearmed_region";
GPU_open(&gpuDisp, "PCSX", NULL);
}
- /* Reinitialise frameskipping, if required */
- if (((frameskip_type != prev_frameskip_type)))
- retro_set_audio_buff_status_cb();
-
/* dfinput_activate(); */
}
else
print_internal_fps();
- /* Check whether current frame should
- * be skipped */
- pl_rearmed_cbs.fskip_force = 0;
- pl_rearmed_cbs.fskip_dirty = 0;
- if ((frameskip_type > 0) && retro_audio_buff_active)
- {
- bool skip_frame;
-
- switch (frameskip_type)
- {
- case 1: /* auto */
- skip_frame = retro_audio_buff_underrun;
- break;
- case 2: /* threshold */
- skip_frame = (retro_audio_buff_occupancy < frameskip_threshold);
- break;
- case 3: /* fixed */
- skip_frame = true;
- break;
- default:
- skip_frame = false;
- break;
- }
-
- if (skip_frame && frameskip_counter < frameskip_interval)
- pl_rearmed_cbs.fskip_force = 1;
- }
-
- /* If frameskip/timing settings have changed,
- * update frontend audio latency
- * > Can do this before or after the frameskip
- * check, but doing it after means we at least
- * retain the current frame's audio output */
- if (update_audio_latency)
- {
- environ_cb(RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY,
- &retro_audio_latency);
- update_audio_latency = false;
- }
-
input_poll_cb();
update_input();
stop = 0;
psxCpu->Execute();
- if (pl_rearmed_cbs.fskip_dirty == 1) {
- if (frameskip_counter < frameskip_interval)
- frameskip_counter++;
- else if (frameskip_counter >= frameskip_interval || !pl_rearmed_cbs.fskip_force)
- frameskip_counter = 0;
- }
-
video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf_ptr : NULL,
vout_width, vout_height, vout_width * 2);
vout_fb_dirty = 0;
/* Have to reset disks struct, otherwise
* fnames/flabels will leak memory */
disk_init();
- frameskip_type = 0;
- frameskip_threshold = 0;
- frameskip_counter = 0;
- retro_audio_buff_active = false;
- retro_audio_buff_occupancy = 0;
- retro_audio_buff_underrun = false;
- retro_audio_latency = 0;
- update_audio_latency = false;
}
#ifdef VITA
notaz.gp2x.de / pcsx_rearmed.git / blobdiff