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I very recently pushed nyx.c thinking it was the same one pushed earlier by Steve. This version has some fundamental changes to keep reading/writing of multiple channels synchronized and insuring that the same number of samples are written to every channel. There are some minor differences like using printf instead of stdputstr and I tried to follow what I found in the nyx.c that has been in use for a long time.

This commit is contained in:
Roger Dannenberg 2021-03-27 17:32:02 -04:00
parent 78235c9a0e
commit ec48931739
1 changed files with 11 additions and 11 deletions
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22
lib-src/libnyquist/nyx.c
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@ -41,7 +41,7 @@
#define NYX_FULL_COPY 1
/* show memory stats */
#define NYX_MEMORY_STATS 1
// #define NYX_MEMORY_STATS 1
/* show details of obarray copy */
// #define NYX_DEBUG_COPY 1
@ -486,7 +486,7 @@ void nyx_init()
xlprot1(nyx_result);
#if defined(NYX_MEMORY_STATS) && NYX_MEMORY_STATS
stdputstr("\nnyx_init\n");
printf("\nnyx_init\n");
xmem();
#endif
}
@ -531,7 +531,7 @@ void nyx_cleanup()
}
#if defined(NYX_MEMORY_STATS) && NYX_MEMORY_STATS
stdputstr("\nnyx_cleanup\n");
printf("\nnyx_cleanup\n");
xmem();
#endif
}
@ -830,7 +830,7 @@ nyx_rval nyx_eval_expression(const char *expr_string)
LVAL expr = NULL;
#if defined(NYX_MEMORY_STATS) && NYX_MEMORY_STATS
stdputstr("\nnyx_eval_expression before\n");
printf("\nnyx_eval_expression before\n");
xmem();
#endif
@ -914,7 +914,7 @@ nyx_rval nyx_eval_expression(const char *expr_string)
gc();
#if defined(NYX_MEMORY_STATS) && NYX_MEMORY_STATS
stdputstr("\nnyx_eval_expression after\n");
printf("\nnyx_eval_expression after\n");
xmem();
#endif
@ -970,20 +970,20 @@ int nyx_get_audio(nyx_audio_callback callback, void *userdata)
}
#if defined(NYX_MEMORY_STATS) && NYX_MEMORY_STATS
stdputstr("\nnyx_get_audio before\n");
printf("\nnyx_get_audio before\n");
xmem();
#endif
num_channels = nyx_get_audio_num_channels();
buffer = (sample_type *) malloc(max_sample_block_len * sizeof(sample_type *));
buffer = (sample_type *) malloc(max_sample_block_len * sizeof(sample_type));
if (buffer == NULL) {
goto finish;
goto finish;
}
states = (sound_state_type) malloc(num_channels * sizeof(sound_state_node));
if (states == NULL) {
goto finish;
goto finish;
}
for (ch = 0; ch < num_channels; ch++) {
states[ch].cnt = 0; // force initial fetch
@ -1121,7 +1121,7 @@ int nyx_get_audio(nyx_audio_callback callback, void *userdata)
finish:
if (buffer) {
free(buffer);
free(buffer);
}
if (states) {
@ -1131,7 +1131,7 @@ int nyx_get_audio(nyx_audio_callback callback, void *userdata)
gc();
#if defined(NYX_MEMORY_STATS) && NYX_MEMORY_STATS
stdputstr("\nnyx_get_audio after\n");
printf("\nnyx_get_audio after\n");
xmem();
#endif