| File: | src/_portaudiomodule.c |
| Function: | pa_read_stream |
| Error: | memory leak: ob_refcnt of new ref from call to Py_BuildValue is 1 too high |
2409 static PyObject *
2410 pa_read_stream(PyObject *self, PyObject *args)
2411 {
2412 int err;
2413 int total_frames;
2414 short *sampleBlock;
2415 int num_bytes;
2416 PyObject *rv;
2417
2418 PyObject *stream_arg;
2419 _pyAudio_Stream *streamObject;
2420 PaStream *stream;
2421 PaStreamParameters *inputParameters;
2422
2423 if (!PyArg_ParseTuple(args, "O!i",
when PyArg_ParseTuple() succeeds
taking False path
2424 &_pyAudio_StreamType,
2425 &stream_arg,
2426 &total_frames))
2427 return NULL;
2428
2429 /* make sure value is positive! */
2430 if (total_frames < 0) {
when considering range: 0 <= value <= 0x7fffffff
taking False path
2431 PyErr_SetString(PyExc_ValueError, "Invalid number of frames");
2432 return NULL;
2433 }
2434
2435 streamObject = (_pyAudio_Stream *) stream_arg;
2436
2437 if (!_is_open(streamObject)) {
when considering range: -0x80000000 <= value <= -1
taking False path
2438 PyErr_SetObject(PyExc_IOError,
2439 Py_BuildValue("(s,i)",
2440 "Stream closed",
2441 paBadStreamPtr));
2442 return NULL;
2443 }
2444
2445 stream = streamObject->stream;
2446 inputParameters = streamObject->inputParameters;
2447 num_bytes = (total_frames) * (inputParameters->channelCount) *
when treating unknown struct PaStreamParameters * from src/_portaudiomodule.c:2446 as non-NULL
2448 (Pa_GetSampleSize(inputParameters->sampleFormat));
2449
2450 #ifdef VERBOSE
2451 fprintf(stderr, "Allocating %d bytes\n", num_bytes);
2452 #endif
2453
2454 rv = PyBytes_FromStringAndSize(NULL, num_bytes);
when PyBytes_FromStringAndSize() succeeds
2455 sampleBlock = (short *) PyBytes_AsString(rv);
2456
2457 if (sampleBlock == NULL) {
when treating unknown char * from src/_portaudiomodule.c:2455 as non-NULL
taking False path
2458 PyErr_SetObject(PyExc_IOError,
2459 Py_BuildValue("(s,i)",
2460 "Out of memory",
2461 paInsufficientMemory));
2462 return NULL;
2463 }
2464
2465 Py_BEGIN_ALLOW_THREADS
releasing the GIL by calling PyEval_SaveThread()
2466 err = Pa_ReadStream(stream, sampleBlock, total_frames);
2467 Py_END_ALLOW_THREADS
reacquiring the GIL by calling PyEval_RestoreThread()
2468
2469 if (err != paNoError) {
when considering range: -0x80000000 <= value <= -1
taking True path
2470
2471 /* ignore input overflow and output underflow */
2472 if (err & paInputOverflowed) {
taking True path
2473
2474 #ifdef VERBOSE
2475 fprintf(stderr, "Input Overflow.\n");
2476 #endif
2477
2478 } else if (err & paOutputUnderflowed) {
2479
2480 #ifdef VERBOSE
2481 fprintf(stderr, "Output Underflow.\n");
2482 #endif
2483
2484 } else {
2485 /* clean up */
2486 _cleanup_Stream_object(streamObject);
2487 }
2488
2489 /* free the string buffer */
2490 Py_XDECREF(rv);
taking True path
when taking True path
2491
2492 PyErr_SetObject(PyExc_IOError,
when Py_BuildValue() succeeds
calling PyErr_SetObject()
new ref from call to Py_BuildValue was allocated at: PyErr_SetObject(PyExc_IOError,
ob_refcnt is now refs: 1 owned
ob_refcnt is now refs: 1 owned, 1 borrowed
2493 Py_BuildValue("(s,i)",
2494 Pa_GetErrorText(err), err));
2495 return NULL;
2496 }
2497
2498 return rv;
2499 }
| File: | src/_portaudiomodule.c |
| Function: | pa_read_stream |
| Error: | memory leak: ob_refcnt of '*rv' is 1 too high |
2409 static PyObject *
2410 pa_read_stream(PyObject *self, PyObject *args)
2411 {
2412 int err;
2413 int total_frames;
2414 short *sampleBlock;
2415 int num_bytes;
2416 PyObject *rv;
2417
2418 PyObject *stream_arg;
2419 _pyAudio_Stream *streamObject;
2420 PaStream *stream;
2421 PaStreamParameters *inputParameters;
2422
2423 if (!PyArg_ParseTuple(args, "O!i",
when PyArg_ParseTuple() succeeds
taking False path
2424 &_pyAudio_StreamType,
2425 &stream_arg,
2426 &total_frames))
2427 return NULL;
2428
2429 /* make sure value is positive! */
2430 if (total_frames < 0) {
when considering range: 0 <= value <= 0x7fffffff
taking False path
2431 PyErr_SetString(PyExc_ValueError, "Invalid number of frames");
2432 return NULL;
2433 }
2434
2435 streamObject = (_pyAudio_Stream *) stream_arg;
2436
2437 if (!_is_open(streamObject)) {
when considering range: -0x80000000 <= value <= -1
taking False path
2438 PyErr_SetObject(PyExc_IOError,
2439 Py_BuildValue("(s,i)",
2440 "Stream closed",
2441 paBadStreamPtr));
2442 return NULL;
2443 }
2444
2445 stream = streamObject->stream;
2446 inputParameters = streamObject->inputParameters;
2447 num_bytes = (total_frames) * (inputParameters->channelCount) *
when treating unknown struct PaStreamParameters * from src/_portaudiomodule.c:2446 as non-NULL
2448 (Pa_GetSampleSize(inputParameters->sampleFormat));
2449
2450 #ifdef VERBOSE
2451 fprintf(stderr, "Allocating %d bytes\n", num_bytes);
2452 #endif
2453
2454 rv = PyBytes_FromStringAndSize(NULL, num_bytes);
when PyBytes_FromStringAndSize() succeeds
'*rv' was allocated at: rv = PyBytes_FromStringAndSize(NULL, num_bytes);
ob_refcnt is now refs: 1 owned
2455 sampleBlock = (short *) PyBytes_AsString(rv);
2456
2457 if (sampleBlock == NULL) {
when treating unknown char * from src/_portaudiomodule.c:2455 as NULL
taking True path
2458 PyErr_SetObject(PyExc_IOError,
when Py_BuildValue() succeeds
calling PyErr_SetObject()
2459 Py_BuildValue("(s,i)",
2460 "Out of memory",
2461 paInsufficientMemory));
2462 return NULL;
2463 }
2464
2465 Py_BEGIN_ALLOW_THREADS
2466 err = Pa_ReadStream(stream, sampleBlock, total_frames);
2467 Py_END_ALLOW_THREADS
2468
2469 if (err != paNoError) {
2470
2471 /* ignore input overflow and output underflow */
2472 if (err & paInputOverflowed) {
2473
2474 #ifdef VERBOSE
2475 fprintf(stderr, "Input Overflow.\n");
2476 #endif
2477
2478 } else if (err & paOutputUnderflowed) {
2479
2480 #ifdef VERBOSE
2481 fprintf(stderr, "Output Underflow.\n");
2482 #endif
2483
2484 } else {
2485 /* clean up */
2486 _cleanup_Stream_object(streamObject);
2487 }
2488
2489 /* free the string buffer */
2490 Py_XDECREF(rv);
2491
2492 PyErr_SetObject(PyExc_IOError,
2493 Py_BuildValue("(s,i)",
2494 Pa_GetErrorText(err), err));
2495 return NULL;
2496 }
2497
2498 return rv;
2499 }