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LIBRETRO: fix current_frame initial value

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This commit is contained in:
Giovanni Cascione 2023-04-09 00:55:31 +02:00
parent 3448c9808c
commit fbac0c281e
1 changed files with 4 additions and 4 deletions
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8
backends/platform/libretro/src/libretro.cpp
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@ -80,7 +80,7 @@ char cmd_params_num;
int adjusted_RES_W = 0;
int adjusted_RES_H = 0;
static uint32 current_frame = 1;
static uint32 current_frame = 0;
static uint8 frameskip_no;
static uint8 frameskip_type;
static uint8 frameskip_threshold;
@ -715,7 +715,7 @@ void retro_run(void) {
if ((frameskip_type == 2) || (performance_switch & PERF_SWITCH_ON))
skip_frame = (audio_status & AUDIO_STATUS_BUFFER_UNDERRUN);
else if (frameskip_type == 1){
skip_frame = !((current_frame - 1) % frameskip_no == 0);
skip_frame = !(current_frame % frameskip_no == 0);
}
else if (frameskip_type == 3)
skip_frame = (retro_audio_buff_occupancy < frameskip_threshold);
@ -739,7 +739,7 @@ void retro_run(void) {
if (frameskip_events > PERF_SWITCH_FRAMESKIP_EVENTS) {
increase_performance();
frameskip_events = 0;
perf_ref_frame = current_frame - 1;
perf_ref_frame = current_frame;
perf_ref_audio_buff_occupancy = 0;
}
}
@ -749,7 +749,7 @@ void retro_run(void) {
if (!skip_frame && (performance_switch & PERF_SWITCH_ON) && performance_switch > PERF_SWITCH_ON) {
perf_ref_audio_buff_occupancy += retro_audio_buff_occupancy;
if ((current_frame - perf_ref_frame) % (PERF_SWITCH_RESET_REST) == 0) {
uint32 avg_audio_buff_occupancy = perf_ref_audio_buff_occupancy / (current_frame - perf_ref_frame);
uint32 avg_audio_buff_occupancy = perf_ref_audio_buff_occupancy / (current_frame + 1 - perf_ref_frame);
if (avg_audio_buff_occupancy > PERF_SWITCH_RESET_THRESHOLD || avg_audio_buff_occupancy == retro_audio_buff_occupancy)
increase_accuracy();
perf_ref_frame = current_frame - 1;