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audio: changed some SDL_memset() calls to SDL_zero(), other minor corrections.

Ryan C. Gordon 2016-08-05 01:59:06 -04:00
parent 979de761c9
commit 761a79788c
21 changed files with 34 additions and 39 deletions
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2
src/audio/SDL_wave.c
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@ -504,7 +504,7 @@ SDL_LoadWAV_RW(SDL_RWops * src, int freesrc,
was_error = 1;
goto done;
}
SDL_memset(spec, 0, (sizeof *spec));
SDL_zerop(spec);
spec->freq = SDL_SwapLE32(format->frequency);
if (IEEE_float_encoded) {

2
src/audio/alsa/SDL_alsa_audio.c
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@ -539,7 +539,7 @@ ALSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Open the audio device */
/* Name of device should depend on # channels in spec */

2
src/audio/arts/SDL_artsaudio.c
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@ -235,7 +235,7 @@ ARTS_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Try for a closest match on audio format */
for (test_format = SDL_FirstAudioFormat(this->spec.format);

2
src/audio/bsd/SDL_bsdaudio.c
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@ -297,7 +297,7 @@ BSDAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Open the audio device */
this->hidden->audio_fd = open(devname, flags, 0);

2
src/audio/directsound/SDL_directsound.c
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@ -431,7 +431,7 @@ DSOUND_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Open the audio device */
result = pDirectSoundCreate8(guid, &this->hidden->sound, NULL);

2
src/audio/disk/SDL_diskaudio.c
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@ -105,7 +105,7 @@ DISKAUD_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, sizeof(*this->hidden));
SDL_zerop(this->hidden);
this->hidden->mixlen = this->spec.size;
this->hidden->write_delay =

2
src/audio/dsp/SDL_dspaudio.c
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@ -100,7 +100,7 @@ DSP_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Open the audio device */
this->hidden->audio_fd = open(devname, flags, 0);

2
src/audio/emscripten/SDL_emscriptenaudio.c
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@ -171,7 +171,7 @@ Emscripten_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* based on parts of library_sdl.js */

2
src/audio/esd/SDL_esdaudio.c
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@ -220,7 +220,7 @@ ESD_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
this->hidden->audio_fd = -1;
/* Convert audio spec to the ESD audio format */

2
src/audio/fusionsound/SDL_fsaudio.c
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@ -195,7 +195,7 @@ SDL_FS_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Try for a closest match on audio format */
for (test_format = SDL_FirstAudioFormat(this->spec.format);

4
src/audio/haiku/SDL_haikuaudio.cc
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@ -118,10 +118,10 @@ HAIKUAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (_this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(_this->hidden, 0, (sizeof *_this->hidden));
SDL_zerop(this->hidden);
/* Parse the audio format and fill the Be raw audio format */
SDL_memset(&format, '\0', sizeof(media_raw_audio_format));
SDL_zero(format);
format.byte_order = B_MEDIA_LITTLE_ENDIAN;
format.frame_rate = (float) _this->spec.freq;
format.channel_count = _this->spec.channels; /* !!! FIXME: support > 2? */

2
src/audio/nacl/SDL_naclaudio.c
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@ -65,7 +65,7 @@ static void nacl_audio_callback(void* samples, uint32_t buffer_size, PP_TimeDelt
SDL_UnlockMutex(_this->mixer_lock);
}
} else {
SDL_memset(samples, 0, buffer_size);
SDL_memset(samples, _this->spec.silence, buffer_size);
}
SDL_UnlockMutex(private->mutex);

2
src/audio/nas/SDL_nasaudio.c
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@ -282,7 +282,7 @@ NAS_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Try for a closest match on audio format */
format = 0;

2
src/audio/paudio/SDL_paudio.c
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@ -256,7 +256,7 @@ PAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Open the audio device */
fd = OpenAudioPath(audiodev, sizeof(audiodev), OPEN_FLAGS, 0);

2
src/audio/psp/SDL_pspaudio.c
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@ -50,7 +50,7 @@ PSPAUD_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, sizeof(*this->hidden));
SDL_zerop(this->hidden);
switch (this->spec.format & 0xff) {
case 8:
case 16:

5
src/audio/pulseaudio/SDL_pulseaudio.c
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@ -529,13 +529,12 @@ PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
int rc = 0;
/* Initialize all variables that we clean on shutdown */
this->hidden = (struct SDL_PrivateAudioData *)
h = this->hidden = (struct SDL_PrivateAudioData *)
SDL_malloc((sizeof *this->hidden));
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
h = this->hidden;
SDL_zerop(this->hidden);
paspec.format = PA_SAMPLE_INVALID;

22
src/audio/qsa/SDL_qsa_audio.c
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@ -137,8 +137,7 @@ QSA_ThreadInit(_THIS)
static void
QSA_InitAudioParams(snd_pcm_channel_params_t * cpars)
{
SDL_memset(cpars, 0, sizeof(snd_pcm_channel_params_t));
SDL_zerop(cpars);
cpars->channel = SND_PCM_CHANNEL_PLAYBACK;
cpars->mode = SND_PCM_MODE_BLOCK;
cpars->start_mode = SND_PCM_START_DATA;
@ -261,7 +260,7 @@ QSA_PlayDevice(_THIS)
continue;
} else {
if ((errno == EINVAL) || (errno == EIO)) {
SDL_memset(&cstatus, 0, sizeof(cstatus));
SDL_zero(cstatus);
if (!this->hidden->iscapture) {
cstatus.channel = SND_PCM_CHANNEL_PLAYBACK;
} else {
@ -358,7 +357,7 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, sizeof(struct SDL_PrivateAudioData));
SDL_zerop(this->hidden);
/* Initialize channel transfer parameters to default */
QSA_InitAudioParams(&cparams);
@ -499,7 +498,7 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
}
/* Make sure channel is setup right one last time */
SDL_memset(&csetup, 0, sizeof(csetup));
SDL_zero(csetup);
if (!this->hidden->iscapture) {
csetup.channel = SND_PCM_CHANNEL_PLAYBACK;
} else {
@ -731,10 +730,9 @@ static void
QSA_Deinitialize(void)
{
/* Clear devices array on shutdown */
SDL_memset(qsa_playback_device, 0x00,
sizeof(QSA_Device) * QSA_MAX_DEVICES);
SDL_memset(qsa_capture_device, 0x00,
sizeof(QSA_Device) * QSA_MAX_DEVICES);
/* !!! FIXME: we zero these on init...any reason to do it here? */
SDL_zero(qsa_playback_device);
SDL_zero(qsa_capture_device);
qsa_playback_devices = 0;
qsa_capture_devices = 0;
}
@ -746,10 +744,8 @@ QSA_Init(SDL_AudioDriverImpl * impl)
int32_t status = 0;
/* Clear devices array */
SDL_memset(qsa_playback_device, 0x00,
sizeof(QSA_Device) * QSA_MAX_DEVICES);
SDL_memset(qsa_capture_device, 0x00,
sizeof(QSA_Device) * QSA_MAX_DEVICES);
SDL_zero(qsa_playback_device);
SDL_zero(qsa_capture_device);
qsa_playback_devices = 0;
qsa_capture_devices = 0;

2
src/audio/sndio/SDL_sndioaudio.c
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@ -198,7 +198,7 @@ SNDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, sizeof(*this->hidden));
SDL_zerop(this->hidden);
this->hidden->mixlen = this->spec.size;

2
src/audio/sun/SDL_sunaudio.c
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@ -212,7 +212,7 @@ SUNAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Open the audio device */
this->hidden->audio_fd = open(devname, flags, 0);

6
src/audio/winmm/SDL_winmm.c
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@ -228,7 +228,7 @@ WINMM_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
/* Initialize the wavebuf structures for closing */
for (i = 0; i < NUM_BUFFERS; ++i)
@ -305,9 +305,9 @@ WINMM_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
if (this->hidden->mixbuf == NULL) {
return SDL_OutOfMemory();
}
SDL_zero(this->hidden->wavebuf);
for (i = 0; i < NUM_BUFFERS; ++i) {
SDL_memset(&this->hidden->wavebuf[i], 0,
sizeof(this->hidden->wavebuf[i]));
this->hidden->wavebuf[i].dwBufferLength = this->spec.size;
this->hidden->wavebuf[i].dwFlags = WHDR_DONE;
this->hidden->wavebuf[i].lpData =

4
src/audio/xaudio2/SDL_xaudio2.c
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@ -342,7 +342,7 @@ XAUDIO2_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
IXAudio2_Release(ixa2);
return SDL_OutOfMemory();
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
SDL_zerop(this->hidden);
this->hidden->ixa2 = ixa2;
this->hidden->semaphore = SDL_CreateSemaphore(1);
@ -377,7 +377,7 @@ XAUDIO2_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
return SDL_OutOfMemory();
}
this->hidden->nextbuf = this->hidden->mixbuf;
SDL_memset(this->hidden->mixbuf, 0, 2 * this->hidden->mixlen);
SDL_memset(this->hidden->mixbuf, this->spec.silence, 2 * this->hidden->mixlen);
/* We use XAUDIO2_DEFAULT_CHANNELS instead of this->spec.channels. On
Xbox360, this means 5.1 output, but on Windows, it means "figure out