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cygwin: Remove comparisons of 'this' to 'NULL' in fhandler_dsp.cc 

Fix all callers.
This commit is contained in:
Ken Brown 2017-09-16 22:04:09 -04:00 committed by Corinna Vinschen
parent 3a79700c2d
commit 47bbe23105
1 changed files with 40 additions and 15 deletions
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55
winsup/cygwin/fhandler_dsp.cc
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@ -63,7 +63,7 @@ class fhandler_dev_dsp::Audio
void convert_S16LE_S16BE (unsigned char *buffer, int size_bytes);
void fillFormat (WAVEFORMATEX * format,
int rate, int bits, int channels);
unsigned blockSize (int rate, int bits, int channels);
static unsigned blockSize (int rate, int bits, int channels);
void (fhandler_dev_dsp::Audio::*convert_)
(unsigned char *buffer, int size_bytes);
@ -115,6 +115,7 @@ class fhandler_dev_dsp::Audio_out: public Audio
void stop (bool immediately = false);
int write (const char *pSampleData, int nBytes);
void buf_info (audio_buf_info *p, int rate, int bits, int channels);
static void default_buf_info (audio_buf_info *p, int rate, int bits, int channels);
void callback_sampledone (WAVEHDR *pHdr);
bool parsewav (const char *&pData, int &nBytes,
int rate, int bits, int channels);
@ -149,6 +150,7 @@ public:
void stop ();
bool read (char *pSampleData, int &nBytes);
void buf_info (audio_buf_info *p, int rate, int bits, int channels);
static void default_buf_info (audio_buf_info *p, int rate, int bits, int channels);
void callback_blockfull (WAVEHDR *pHdr);
private:
@ -499,11 +501,11 @@ void
fhandler_dev_dsp::Audio_out::buf_info (audio_buf_info *p,
int rate, int bits, int channels)
{
p->fragstotal = MAX_BLOCKS;
if (this && dev_)
if (dev_)
{
/* If the device is running we use the internal values,
possibly set from the wave file. */
p->fragstotal = MAX_BLOCKS;
p->fragsize = blockSize (freq_, bits_, channels_);
p->fragments = Qisr2app_->query ();
if (pHdr_ != NULL)
@ -514,10 +516,17 @@ fhandler_dev_dsp::Audio_out::buf_info (audio_buf_info *p,
}
else
{
default_buf_info(p, rate, bits, channels);
}
}
void fhandler_dev_dsp::Audio_out::default_buf_info (audio_buf_info *p,
int rate, int bits, int channels)
{
p->fragstotal = MAX_BLOCKS;
p->fragsize = blockSize (rate, bits, channels);
p->fragments = MAX_BLOCKS;
p->bytes = p->fragsize * p->fragments;
}
}
/* This is called on an interupt so use locking.. Note Qisr2app_
@ -951,14 +960,23 @@ fhandler_dev_dsp::Audio_in::waitfordata ()
return true;
}
void fhandler_dev_dsp::Audio_in::default_buf_info (audio_buf_info *p,
int rate, int bits, int channels)
{
p->fragstotal = MAX_BLOCKS;
p->fragsize = blockSize (rate, bits, channels);
p->fragments = 0;
p->bytes = 0;
}
void
fhandler_dev_dsp::Audio_in::buf_info (audio_buf_info *p,
int rate, int bits, int channels)
{
p->fragstotal = MAX_BLOCKS;
p->fragsize = blockSize (rate, bits, channels);
if (this && dev_)
if (dev_)
{
p->fragstotal = MAX_BLOCKS;
p->fragsize = blockSize (rate, bits, channels);
p->fragments = Qisr2app_->query ();
if (pHdr_ != NULL)
p->bytes = pHdr_->dwBytesRecorded - bufferIndex_
@ -968,8 +986,7 @@ fhandler_dev_dsp::Audio_in::buf_info (audio_buf_info *p,
}
else
{
p->fragments = 0;
p->bytes = 0;
default_buf_info(p, rate, bits, channels);
}
}
@ -1343,9 +1360,13 @@ fhandler_dev_dsp::_ioctl (unsigned int cmd, void *buf)
return -1;
}
audio_buf_info *p = (audio_buf_info *) buf;
audio_out_->buf_info (p, audiofreq_, audiobits_, audiochannels_);
debug_printf ("buf=%p frags=%d fragsize=%d bytes=%d",
buf, p->fragments, p->fragsize, p->bytes);
if (audio_out_) {
audio_out_->buf_info (p, audiofreq_, audiobits_, audiochannels_);
} else {
Audio_out::default_buf_info(p, audiofreq_, audiobits_, audiochannels_);
}
debug_printf ("buf=%p frags=%d fragsize=%d bytes=%d",
buf, p->fragments, p->fragsize, p->bytes);
return 0;
}
@ -1357,9 +1378,13 @@ fhandler_dev_dsp::_ioctl (unsigned int cmd, void *buf)
return -1;
}
audio_buf_info *p = (audio_buf_info *) buf;
audio_in_->buf_info (p, audiofreq_, audiobits_, audiochannels_);
debug_printf ("buf=%p frags=%d fragsize=%d bytes=%d",
buf, p->fragments, p->fragsize, p->bytes);
if (audio_in_) {
audio_in_->buf_info (p, audiofreq_, audiobits_, audiochannels_);
} else {
Audio_in::default_buf_info(p, audiofreq_, audiobits_, audiochannels_);
}
debug_printf ("buf=%p frags=%d fragsize=%d bytes=%d",
buf, p->fragments, p->fragsize, p->bytes);
return 0;
}