Lines Matching refs:this

62     if (this->hidden->audio_fd >= 0) {  in DSP_CloseDevice()
63         close(this->hidden->audio_fd);  in DSP_CloseDevice()
65     SDL_free(this->hidden->mixbuf);  in DSP_CloseDevice()
66     SDL_free(this->hidden);  in DSP_CloseDevice()
90     if (this->spec.channels > 8)  in DSP_OpenDevice()
91         this->spec.channels = 8;  in DSP_OpenDevice()
92     else if (this->spec.channels > 4)  in DSP_OpenDevice()
93         this->spec.channels = 4;  in DSP_OpenDevice()
94     else if (this->spec.channels > 2)  in DSP_OpenDevice()
95         this->spec.channels = 2;  in DSP_OpenDevice()
98     this->hidden = (struct SDL_PrivateAudioData *)  in DSP_OpenDevice()
99         SDL_malloc((sizeof *this->hidden));  in DSP_OpenDevice()
100     if (this->hidden == NULL) {  in DSP_OpenDevice()
103     SDL_zerop(this->hidden);  in DSP_OpenDevice()
106     this->hidden->audio_fd = open(devname, flags, 0);  in DSP_OpenDevice()
107     if (this->hidden->audio_fd < 0) {  in DSP_OpenDevice()
114         ctlflags = fcntl(this->hidden->audio_fd, F_GETFL);  in DSP_OpenDevice()
116         if (fcntl(this->hidden->audio_fd, F_SETFL, ctlflags) < 0) {  in DSP_OpenDevice()
122     if (ioctl(this->hidden->audio_fd, SNDCTL_DSP_GETFMTS, &value) < 0) {  in DSP_OpenDevice()
129     for (test_format = SDL_FirstAudioFormat(this->spec.format);  in DSP_OpenDevice()
182     this->spec.format = test_format;  in DSP_OpenDevice()
186     if ((ioctl(this->hidden->audio_fd, SNDCTL_DSP_SETFMT, &value) < 0) ||  in DSP_OpenDevice()
193     value = this->spec.channels;  in DSP_OpenDevice()
194     if (ioctl(this->hidden->audio_fd, SNDCTL_DSP_CHANNELS, &value) < 0) {  in DSP_OpenDevice()
198     this->spec.channels = value;  in DSP_OpenDevice()
201     value = this->spec.freq;  in DSP_OpenDevice()
202     if (ioctl(this->hidden->audio_fd, SNDCTL_DSP_SPEED, &value) < 0) {  in DSP_OpenDevice()
206     this->spec.freq = value;  in DSP_OpenDevice()
209     SDL_CalculateAudioSpec(&this->spec);  in DSP_OpenDevice()
212     for (frag_spec = 0; (0x01U << frag_spec) < this->spec.size; ++frag_spec);  in DSP_OpenDevice()
213     if ((0x01U << frag_spec) != this->spec.size) {  in DSP_OpenDevice()
223     if (ioctl(this->hidden->audio_fd, SNDCTL_DSP_SETFRAGMENT, &frag_spec) < 0) {  in DSP_OpenDevice()
229         ioctl(this->hidden->audio_fd, SNDCTL_DSP_GETOSPACE, &info);  in DSP_OpenDevice()
239         this->hidden->mixlen = this->spec.size;  in DSP_OpenDevice()
240         this->hidden->mixbuf = (Uint8 *) SDL_malloc(this->hidden->mixlen);  in DSP_OpenDevice()
241         if (this->hidden->mixbuf == NULL) {  in DSP_OpenDevice()
244         SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size);  in DSP_OpenDevice()
255     struct SDL_PrivateAudioData *h = this->hidden;  in DSP_PlayDevice()
258         SDL_OpenedAudioDeviceDisconnected(this);  in DSP_PlayDevice()
268     return (this->hidden->mixbuf);  in DSP_GetDeviceBuf()
274     return (int) read(this->hidden->audio_fd, buffer, buflen);  in DSP_CaptureFromDevice()
280     struct SDL_PrivateAudioData *h = this->hidden;  in DSP_FlushCapture()