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fix: Gain adjustment during second quantization phase can exceed minimum gain

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This commit is contained in:
Antoine Soulier
2023-07-25 10:49:55 -07:00
parent 3b23884611
commit 67f2231815
3 changed files with 23 additions and 19 deletions
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13
test/spec_py.c
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@@ -30,7 +30,7 @@ static PyObject *estimate_gain_py(PyObject *m, PyObject *args)
float *x;
int nbits_budget;
float nbits_off;
int g_off;
int g_off, g_min;
bool reset_off;
if (!PyArg_ParseTuple(args, "IIOifi", &dt, &sr,
@@ -45,23 +45,24 @@ static PyObject *estimate_gain_py(PyObject *m, PyObject *args)
CTYPES_CHECK("x", x_obj = to_1d_ptr(x_obj, NPY_FLOAT, ne, &x));
int g_int = estimate_gain(dt, sr,
x, nbits_budget, nbits_off, g_off, &reset_off);
x, nbits_budget, nbits_off, g_off, &reset_off, &g_min);
return Py_BuildValue("ii", g_int, reset_off);
return Py_BuildValue("iii", g_int, reset_off, g_min);
}
static PyObject *adjust_gain_py(PyObject *m, PyObject *args)
{
unsigned sr;
int g_idx, nbits, nbits_budget;
int g_idx, nbits, nbits_budget, g_idx_min;
if (!PyArg_ParseTuple(args, "Iiii", &sr, &g_idx, &nbits, &nbits_budget))
if (!PyArg_ParseTuple(args, "Iiiii", &sr, &g_idx,
&nbits, &nbits_budget, &g_idx_min))
return NULL;
CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE);
CTYPES_CHECK("g_idx", g_idx >= 0 && g_idx <= 255);
g_idx = adjust_gain(sr, g_idx, nbits, nbits_budget);
g_idx = adjust_gain(sr, g_idx, nbits, nbits_budget, g_idx_min);
return Py_BuildValue("i", g_idx);
}