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Fix a bug in the node graph relating to attaching and detaching nodes.

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This was setting the previous pointer of newly attached nodes to NULL
instead of a pointer to the dummy head node. This then results in the
dummy head node never being updated when the node is detached which in
turn results in an uninitialized node being dereferenced.
This commit is contained in:
David Reid
2021-01-14 17:23:48 +10:00
parent 416ead6e35
commit 687e9e5502
2 changed files with 11 additions and 4 deletions
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research/miniaudio_engine.c
+6 -3
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@@ -78,7 +78,7 @@ int main(int argc, char** argv)
loadNotification.cb.onSignal = on_sound_loaded;
loadNotification.pSound = &sound;
result = ma_sound_init_from_file(&engine, argv[1], /*MA_DATA_SOURCE_FLAG_DECODE | MA_DATA_SOURCE_FLAG_ASYNC |*/ MA_DATA_SOURCE_FLAG_STREAM, &loadNotification, NULL, &sound);
result = ma_sound_init_from_file(&engine, argv[1], MA_DATA_SOURCE_FLAG_DECODE /*| MA_DATA_SOURCE_FLAG_ASYNC | MA_DATA_SOURCE_FLAG_STREAM*/, &loadNotification, NULL, &sound);
if (result != MA_SUCCESS) {
printf("Failed to load sound: %s\n", argv[1]);
ma_engine_uninit(&engine);
@@ -93,6 +93,8 @@ int main(int argc, char** argv)
}
#endif
/*ma_data_source_seek_to_pcm_frame(sound.pDataSource, 5000000);*/
//ma_sound_group_set_pan(ma_engine_get_master_sound_group(&engine), -1);
@@ -105,7 +107,7 @@ int main(int argc, char** argv)
/*ma_sound_set_volume(&sound, 0.25f);*/
/*ma_sound_set_pitch(&sound, 1.2f);*/
/*ma_sound_set_pan(&sound, 0.0f);*/
//ma_sound_set_looping(&sound, MA_TRUE);
ma_sound_set_looping(&sound, MA_TRUE);
//ma_sound_seek_to_pcm_frame(&sound, 6000000);
//ma_sound_set_start_time(&sound, 1110);
//ma_sound_set_volume(&sound, 0.5f);
@@ -116,6 +118,7 @@ int main(int argc, char** argv)
//ma_sound_set_volume(&sound, 1);
//ma_sound_set_start_time(&sound, 48000);
ma_sound_start(&sound);
/*ma_sound_uninit(&sound);*/
//ma_sleep(1000);
//ma_sound_set_looping(&sound2, MA_TRUE);
@@ -134,7 +137,7 @@ int main(int argc, char** argv)
ma_engine_play_sound(&engine, argv[3], NULL);*/
#endif
#if 1
#if 0
float pitch = 1;
float pitchStep = 0.01f;
float pitchMin = 0.125f;