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comparison render_sdl.c @ 2663:568c1c22f3e3

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Allow changing at least some settings in web build without breaking
author Michael Pavone <pavone@retrodev.com>
date Thu, 06 Mar 2025 01:33:03 -0800
parents c5c9498ff279
children 36ae207af490
comparison
equal deleted inserted replaced
2662:5e2d41f0d2ba 2663:568c1c22f3e3
1071 static int source_frame; 1071 static int source_frame;
1072 static int source_frame_count; 1072 static int source_frame_count;
1073 static int frame_repeat[60]; 1073 static int frame_repeat[60];
1074 1074
1075 static uint32_t sample_rate; 1075 static uint32_t sample_rate;
1076 static void init_audio() 1076 typedef struct {
1077 int rate;
1078 int samples;
1079 uint16_t format;
1080 } audio_config;
1081
1082 static audio_config get_audio_config(void)
1083 {
1084 audio_config ret;
1085 char * rate_str = tern_find_path(config, "audio\0rate\0", TVAL_PTR).ptrval;
1086 ret.rate = rate_str ? atoi(rate_str) : 0;
1087 if (!ret.rate) {
1088 ret.rate = 48000;
1089 }
1090 char *config_format = tern_find_path_default(config, "audio\0format\0", (tern_val){.ptrval="f32"}, TVAL_PTR).ptrval;
1091 ret.format = !strcmp(config_format, "s16") ? AUDIO_S16SYS : AUDIO_F32SYS;
1092 char * samples_str = tern_find_path(config, "audio\0buffer\0", TVAL_PTR).ptrval;
1093 ret.samples = samples_str ? atoi(samples_str) : 0;
1094 if (!ret.samples) {
1095 ret.samples = 512;
1096 }
1097 return ret;
1098 }
1099
1100 static audio_config current_audio_config;
1101 static void init_audio(void)
1077 { 1102 {
1078 SDL_AudioSpec desired, actual; 1103 SDL_AudioSpec desired, actual;
1079 char * rate_str = tern_find_path(config, "audio\0rate\0", TVAL_PTR).ptrval; 1104 audio_config ac = get_audio_config();
1080 int rate = rate_str ? atoi(rate_str) : 0; 1105 desired.freq = ac.rate;
1081 if (!rate) { 1106 desired.format = ac.format;
1082 rate = 48000;
1083 }
1084 desired.freq = rate;
1085 char *config_format = tern_find_path_default(config, "audio\0format\0", (tern_val){.ptrval="f32"}, TVAL_PTR).ptrval;
1086 desired.format = !strcmp(config_format, "s16") ? AUDIO_S16SYS : AUDIO_F32SYS;
1087 desired.channels = 2; 1107 desired.channels = 2;
1088 char * samples_str = tern_find_path(config, "audio\0buffer\0", TVAL_PTR).ptrval; 1108 desired.samples = ac.samples * 2;
1089 int samples = samples_str ? atoi(samples_str) : 0;
1090 if (!samples) {
1091 samples = 512;
1092 }
1093 debug_message("config says: %d\n", samples);
1094 desired.samples = samples*2;
1095 switch (sync_src) 1109 switch (sync_src)
1096 { 1110 {
1097 case SYNC_AUDIO: 1111 case SYNC_AUDIO:
1098 desired.callback = audio_callback; 1112 desired.callback = audio_callback;
1099 break; 1113 break;
1106 desired.userdata = NULL; 1120 desired.userdata = NULL;
1107 1121
1108 if (SDL_OpenAudio(&desired, &actual) < 0) { 1122 if (SDL_OpenAudio(&desired, &actual) < 0) {
1109 fatal_error("Unable to open SDL audio: %s\n", SDL_GetError()); 1123 fatal_error("Unable to open SDL audio: %s\n", SDL_GetError());
1110 } 1124 }
1125 current_audio_config = ac;
1111 sample_rate = actual.freq; 1126 sample_rate = actual.freq;
1112 debug_message("Initialized audio at frequency %d with a %d sample buffer, ", actual.freq, actual.samples); 1127 debug_message("Initialized %d channel audio at frequency %d with a %d sample buffer, ", actual.channels, actual.freq, actual.samples);
1113 render_audio_format format = RENDER_AUDIO_UNKNOWN; 1128 render_audio_format format = RENDER_AUDIO_UNKNOWN;
1114 if (actual.format == AUDIO_S16SYS) { 1129 if (actual.format == AUDIO_S16SYS) {
1115 debug_message("signed 16-bit int format\n"); 1130 debug_message("signed 16-bit int format\n");
1116 format = RENDER_AUDIO_S16; 1131 format = RENDER_AUDIO_S16;
1117 } else if (actual.format == AUDIO_F32SYS) { 1132 } else if (actual.format == AUDIO_F32SYS) {
1440 main_height = windowed_height; 1455 main_height = windowed_height;
1441 } 1456 }
1442 if (on_ui_fb_resized) { 1457 if (on_ui_fb_resized) {
1443 on_ui_fb_resized(); 1458 on_ui_fb_resized();
1444 } 1459 }
1460 uint8_t old_sync_src = sync_src;
1445 1461
1446 window_setup(); 1462 window_setup();
1447 update_aspect(); 1463 update_aspect();
1448 #ifndef DISABLE_OPENGL 1464 #ifndef DISABLE_OPENGL
1449 //need to check render_gl again after window_setup as render option could have changed 1465 //need to check render_gl again after window_setup as render option could have changed
1450 if (render_gl && on_context_created) { 1466 if (render_gl && on_context_created) {
1451 on_context_created(); 1467 on_context_created();
1452 } 1468 }
1453 #endif 1469 #endif
1454 1470
1455 uint8_t was_paused = SDL_GetAudioStatus() == SDL_AUDIO_PAUSED; 1471
1456 render_close_audio(); 1472 uint8_t was_paused = 1;
1457 quitting = 0; 1473 uint8_t do_audio_reinit = sync_src != old_sync_src;
1458 init_audio(); 1474 if (!do_audio_reinit) {
1475 audio_config ac = get_audio_config();
1476 do_audio_reinit = ac.rate != current_audio_config.rate ||
1477 ac.samples != current_audio_config.samples || ac.format != current_audio_config.format;
1478 }
1479 if (do_audio_reinit) {
1480 was_paused = SDL_GetAudioStatus() == SDL_AUDIO_PAUSED;
1481 render_close_audio();
1482 quitting = 0;
1483 init_audio();
1484 }
1459 render_set_video_standard(video_standard); 1485 render_set_video_standard(video_standard);
1460 1486
1461 drain_events(); 1487 drain_events();
1462 in_toggle = 0; 1488 in_toggle = 0;
1463 if (!was_paused) { 1489 if (!was_paused) {
1754 glVertexAttribPointer(extra->at_uv, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat[2]), (void *)0); 1780 glVertexAttribPointer(extra->at_uv, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat[2]), (void *)0);
1755 glEnableVertexAttribArray(extra->at_uv); 1781 glEnableVertexAttribArray(extra->at_uv);
1756 1782
1757 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, extra->gl_buffers[1]); 1783 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, extra->gl_buffers[1]);
1758 glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, (void *)0); 1784 glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, (void *)0);
1785 glDisableVertexAttribArray(extra->at_pos);
1786 glDisableVertexAttribArray(extra->at_uv);
1759 } 1787 }
1760 #endif 1788 #endif
1761 1789
1762 uint8_t render_static_image(uint8_t window, uint8_t *buffer, uint32_t size) 1790 uint8_t render_static_image(uint8_t window, uint8_t *buffer, uint32_t size)
1763 { 1791 {