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-rw-r--r--Modules/audioop.c124
1 files changed, 68 insertions, 56 deletions
diff --git a/Modules/audioop.c b/Modules/audioop.c
index 9a5d8c16bb..1e131d2476 100644
--- a/Modules/audioop.c
+++ b/Modules/audioop.c
@@ -46,7 +46,7 @@ fbound(double val, double minval, double maxval)
*/
#define BIAS 0x84 /* define the add-in bias for 16 bit samples */
#define CLIP 32635
-#define SIGN_BIT (0x80) /* Sign bit for a A-law byte. */
+#define SIGN_BIT (0x80) /* Sign bit for an A-law byte. */
#define QUANT_MASK (0xf) /* Quantization field mask. */
#define SEG_SHIFT (4) /* Left shift for segment number. */
#define SEG_MASK (0x70) /* Segment field mask. */
@@ -217,7 +217,7 @@ static PyInt16 _st_alaw2linear16[256] = {
};
/*
- * linear2alaw() accepts an 13-bit signed integer and encodes it as A-law data
+ * linear2alaw() accepts a 13-bit signed integer and encodes it as A-law data
* stored in an unsigned char. This function should only be called with
* the data shifted such that it only contains information in the lower
* 13-bits.
@@ -391,10 +391,9 @@ audioop_check_parameters(Py_ssize_t len, int size)
}
/*[clinic input]
-output preset file
module audioop
[clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=5619f935f269199a]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=8fa8f6611be3591a]*/
/*[clinic input]
audioop.getsample
@@ -408,8 +407,9 @@ Return the value of sample index from the fragment.
[clinic start generated code]*/
static PyObject *
-audioop_getsample_impl(PyModuleDef *module, Py_buffer *fragment, int width, Py_ssize_t index)
-/*[clinic end generated code: output=f4482497e6f6e78f input=88edbe2871393549]*/
+audioop_getsample_impl(PyObject *module, Py_buffer *fragment, int width,
+ Py_ssize_t index)
+/*[clinic end generated code: output=8fe1b1775134f39a input=88edbe2871393549]*/
{
int val;
@@ -434,8 +434,8 @@ Return the maximum of the absolute value of all samples in a fragment.
[clinic start generated code]*/
static PyObject *
-audioop_max_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=85047ee1001f2305 input=32bea5ea0ac8c223]*/
+audioop_max_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=e6c5952714f1c3f0 input=32bea5ea0ac8c223]*/
{
Py_ssize_t i;
unsigned int absval, max = 0;
@@ -462,8 +462,8 @@ Return the minimum and maximum values of all samples in the sound fragment.
[clinic start generated code]*/
static PyObject *
-audioop_minmax_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=ae8f5513c64fd569 input=89848e9b927a0696]*/
+audioop_minmax_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=473fda66b15c836e input=89848e9b927a0696]*/
{
Py_ssize_t i;
/* -1 trick below is needed on Windows to support -0x80000000 without
@@ -491,8 +491,8 @@ Return the average over all samples in the fragment.
[clinic start generated code]*/
static PyObject *
-audioop_avg_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=7fccd645c95f4860 input=1114493c7611334d]*/
+audioop_avg_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=4410a4c12c3586e6 input=1114493c7611334d]*/
{
Py_ssize_t i;
int avg;
@@ -520,8 +520,8 @@ Return the root-mean-square of the fragment, i.e. sqrt(sum(S_i^2)/n).
[clinic start generated code]*/
static PyObject *
-audioop_rms_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=7b398702c81b709d input=4cc57c6c94219d78]*/
+audioop_rms_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=1e7871c826445698 input=4cc57c6c94219d78]*/
{
Py_ssize_t i;
unsigned int res;
@@ -594,8 +594,9 @@ Try to match reference as well as possible to a portion of fragment.
[clinic start generated code]*/
static PyObject *
-audioop_findfit_impl(PyModuleDef *module, Py_buffer *fragment, Py_buffer *reference)
-/*[clinic end generated code: output=505fd04d4244db31 input=62c305605e183c9a]*/
+audioop_findfit_impl(PyObject *module, Py_buffer *fragment,
+ Py_buffer *reference)
+/*[clinic end generated code: output=5752306d83cbbada input=62c305605e183c9a]*/
{
const short *cp1, *cp2;
Py_ssize_t len1, len2;
@@ -662,8 +663,9 @@ Return a factor F such that rms(add(fragment, mul(reference, -F))) is minimal.
[clinic start generated code]*/
static PyObject *
-audioop_findfactor_impl(PyModuleDef *module, Py_buffer *fragment, Py_buffer *reference)
-/*[clinic end generated code: output=ddf35a1e57575ce4 input=816680301d012b21]*/
+audioop_findfactor_impl(PyObject *module, Py_buffer *fragment,
+ Py_buffer *reference)
+/*[clinic end generated code: output=14ea95652c1afcf8 input=816680301d012b21]*/
{
const short *cp1, *cp2;
Py_ssize_t len;
@@ -703,8 +705,9 @@ Search fragment for a slice of specified number of samples with maximum energy.
[clinic start generated code]*/
static PyObject *
-audioop_findmax_impl(PyModuleDef *module, Py_buffer *fragment, Py_ssize_t length)
-/*[clinic end generated code: output=21d0c2a1e5655134 input=2f304801ed42383c]*/
+audioop_findmax_impl(PyObject *module, Py_buffer *fragment,
+ Py_ssize_t length)
+/*[clinic end generated code: output=f008128233523040 input=2f304801ed42383c]*/
{
const short *cp1;
Py_ssize_t len1;
@@ -756,8 +759,8 @@ Return the average peak-peak value over all samples in the fragment.
[clinic start generated code]*/
static PyObject *
-audioop_avgpp_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=06c8380fd6e34207 input=0b3cceeae420a7d9]*/
+audioop_avgpp_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=269596b0d5ae0b2b input=0b3cceeae420a7d9]*/
{
Py_ssize_t i;
int prevval, prevextremevalid = 0, prevextreme = 0;
@@ -813,8 +816,8 @@ Return the maximum peak-peak value in the sound fragment.
[clinic start generated code]*/
static PyObject *
-audioop_maxpp_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=c300c0bd7e8535c0 input=671a13e1518f80a1]*/
+audioop_maxpp_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=5b918ed5dbbdb978 input=671a13e1518f80a1]*/
{
Py_ssize_t i;
int prevval, prevextremevalid = 0, prevextreme = 0;
@@ -866,8 +869,8 @@ Return the number of zero crossings in the fragment passed as an argument.
[clinic start generated code]*/
static PyObject *
-audioop_cross_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=99e6572d7d7cdbf1 input=b1b3f15b83f6b41a]*/
+audioop_cross_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=5938dcdd74a1f431 input=b1b3f15b83f6b41a]*/
{
Py_ssize_t i;
int prevval;
@@ -897,8 +900,9 @@ Return a fragment that has all samples in the original fragment multiplied by th
[clinic start generated code]*/
static PyObject *
-audioop_mul_impl(PyModuleDef *module, Py_buffer *fragment, int width, double factor)
-/*[clinic end generated code: output=a697ebbd5852d38f input=c726667baa157d3c]*/
+audioop_mul_impl(PyObject *module, Py_buffer *fragment, int width,
+ double factor)
+/*[clinic end generated code: output=6cd48fe796da0ea4 input=c726667baa157d3c]*/
{
signed char *ncp;
Py_ssize_t i;
@@ -938,8 +942,9 @@ Convert a stereo fragment to a mono fragment.
[clinic start generated code]*/
static PyObject *
-audioop_tomono_impl(PyModuleDef *module, Py_buffer *fragment, int width, double lfactor, double rfactor)
-/*[clinic end generated code: output=436e7710521661dd input=c4ec949b3f4dddfa]*/
+audioop_tomono_impl(PyObject *module, Py_buffer *fragment, int width,
+ double lfactor, double rfactor)
+/*[clinic end generated code: output=235c8277216d4e4e input=c4ec949b3f4dddfa]*/
{
signed char *cp, *ncp;
Py_ssize_t len, i;
@@ -986,8 +991,9 @@ Generate a stereo fragment from a mono fragment.
[clinic start generated code]*/
static PyObject *
-audioop_tostereo_impl(PyModuleDef *module, Py_buffer *fragment, int width, double lfactor, double rfactor)
-/*[clinic end generated code: output=6ff50681c87f4c1c input=27b6395ebfdff37a]*/
+audioop_tostereo_impl(PyObject *module, Py_buffer *fragment, int width,
+ double lfactor, double rfactor)
+/*[clinic end generated code: output=046f13defa5f1595 input=27b6395ebfdff37a]*/
{
signed char *ncp;
Py_ssize_t i;
@@ -1033,8 +1039,9 @@ Return a fragment which is the addition of the two samples passed as parameters.
[clinic start generated code]*/
static PyObject *
-audioop_add_impl(PyModuleDef *module, Py_buffer *fragment1, Py_buffer *fragment2, int width)
-/*[clinic end generated code: output=f9218bf9ea75c3f1 input=4a8d4bae4c1605c7]*/
+audioop_add_impl(PyObject *module, Py_buffer *fragment1,
+ Py_buffer *fragment2, int width)
+/*[clinic end generated code: output=60140af4d1aab6f2 input=4a8d4bae4c1605c7]*/
{
signed char *ncp;
Py_ssize_t i;
@@ -1091,8 +1098,8 @@ Return a fragment that is the original fragment with a bias added to each sample
[clinic start generated code]*/
static PyObject *
-audioop_bias_impl(PyModuleDef *module, Py_buffer *fragment, int width, int bias)
-/*[clinic end generated code: output=8ec80b3f5d510a51 input=2b5cce5c3bb4838c]*/
+audioop_bias_impl(PyObject *module, Py_buffer *fragment, int width, int bias)
+/*[clinic end generated code: output=6e0aa8f68f045093 input=2b5cce5c3bb4838c]*/
{
signed char *ncp;
Py_ssize_t i;
@@ -1150,8 +1157,8 @@ Reverse the samples in a fragment and returns the modified fragment.
[clinic start generated code]*/
static PyObject *
-audioop_reverse_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=6ec3c91337f5925e input=668f890cf9f9d225]*/
+audioop_reverse_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=b44135698418da14 input=668f890cf9f9d225]*/
{
unsigned char *ncp;
Py_ssize_t i;
@@ -1183,8 +1190,8 @@ Convert big-endian samples to little-endian and vice versa.
[clinic start generated code]*/
static PyObject *
-audioop_byteswap_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=bfe4aa584b7a3f5b input=fae7611ceffa5c82]*/
+audioop_byteswap_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=50838a9e4b87cd4d input=fae7611ceffa5c82]*/
{
unsigned char *ncp;
Py_ssize_t i;
@@ -1218,8 +1225,9 @@ Convert samples between 1-, 2-, 3- and 4-byte formats.
[clinic start generated code]*/
static PyObject *
-audioop_lin2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width, int newwidth)
-/*[clinic end generated code: output=3f9468a74472a93e input=5ce08c8aa2f24d96]*/
+audioop_lin2lin_impl(PyObject *module, Py_buffer *fragment, int width,
+ int newwidth)
+/*[clinic end generated code: output=17b14109248f1d99 input=5ce08c8aa2f24d96]*/
{
unsigned char *ncp;
Py_ssize_t i, j;
@@ -1275,8 +1283,10 @@ Convert the frame rate of the input fragment.
[clinic start generated code]*/
static PyObject *
-audioop_ratecv_impl(PyModuleDef *module, Py_buffer *fragment, int width, int nchannels, int inrate, int outrate, PyObject *state, int weightA, int weightB)
-/*[clinic end generated code: output=5585dddc4b5ff236 input=aff3acdc94476191]*/
+audioop_ratecv_impl(PyObject *module, Py_buffer *fragment, int width,
+ int nchannels, int inrate, int outrate, PyObject *state,
+ int weightA, int weightB)
+/*[clinic end generated code: output=624038e843243139 input=aff3acdc94476191]*/
{
char *cp, *ncp;
Py_ssize_t len;
@@ -1454,8 +1464,8 @@ Convert samples in the audio fragment to u-LAW encoding.
[clinic start generated code]*/
static PyObject *
-audioop_lin2ulaw_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=26263cc877c5e1bc input=2450d1b870b6bac2]*/
+audioop_lin2ulaw_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=14fb62b16fe8ea8e input=2450d1b870b6bac2]*/
{
unsigned char *ncp;
Py_ssize_t i;
@@ -1487,8 +1497,8 @@ Convert sound fragments in u-LAW encoding to linearly encoded sound fragments.
[clinic start generated code]*/
static PyObject *
-audioop_ulaw2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=9864cb34e3a1d876 input=45d53ddce5be7d06]*/
+audioop_ulaw2lin_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=378356b047521ba2 input=45d53ddce5be7d06]*/
{
unsigned char *cp;
signed char *ncp;
@@ -1527,8 +1537,8 @@ Convert samples in the audio fragment to a-LAW encoding.
[clinic start generated code]*/
static PyObject *
-audioop_lin2alaw_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=d5bf14bd0fe6fdcd input=ffb1ef8bb39da945]*/
+audioop_lin2alaw_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=d076f130121a82f0 input=ffb1ef8bb39da945]*/
{
unsigned char *ncp;
Py_ssize_t i;
@@ -1560,8 +1570,8 @@ Convert sound fragments in a-LAW encoding to linearly encoded sound fragments.
[clinic start generated code]*/
static PyObject *
-audioop_alaw2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width)
-/*[clinic end generated code: output=d2b604ddd036e1cd input=4140626046cd1772]*/
+audioop_alaw2lin_impl(PyObject *module, Py_buffer *fragment, int width)
+/*[clinic end generated code: output=85c365ec559df647 input=4140626046cd1772]*/
{
unsigned char *cp;
signed char *ncp;
@@ -1602,8 +1612,9 @@ Convert samples to 4 bit Intel/DVI ADPCM encoding.
[clinic start generated code]*/
static PyObject *
-audioop_lin2adpcm_impl(PyModuleDef *module, Py_buffer *fragment, int width, PyObject *state)
-/*[clinic end generated code: output=4654c29d2731fafe input=12919d549b90c90a]*/
+audioop_lin2adpcm_impl(PyObject *module, Py_buffer *fragment, int width,
+ PyObject *state)
+/*[clinic end generated code: output=cc19f159f16c6793 input=12919d549b90c90a]*/
{
signed char *ncp;
Py_ssize_t i;
@@ -1729,8 +1740,9 @@ Decode an Intel/DVI ADPCM coded fragment to a linear fragment.
[clinic start generated code]*/
static PyObject *
-audioop_adpcm2lin_impl(PyModuleDef *module, Py_buffer *fragment, int width, PyObject *state)
-/*[clinic end generated code: output=371965cdcc0aa69b input=f5221144f5ca9ef0]*/
+audioop_adpcm2lin_impl(PyObject *module, Py_buffer *fragment, int width,
+ PyObject *state)
+/*[clinic end generated code: output=3440ea105acb3456 input=f5221144f5ca9ef0]*/
{
signed char *cp;
signed char *ncp;