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Viewing changes to tap_echo.c

  • Committer: Bazaar Package Importer
  • Author(s): Eric Hedekar
  • Date: 2009-08-18 18:12:36 UTC
  • mfrom: (1.2.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20090818181236-r7ajom3tnwboxdoc
Tags: 0.7.1-0ubuntu1
https://launchpad.net/bugs/415680
* New Upstream Version (LP: #415680)
* Fixed a number of Lintian warnings
    - updated standards version
    - fixed copyright file issues
    - added watch file
* removed documentation installation (no longer ships with the tarball)

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tap_echo.c
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    along with this program; if not, write to the Free Software
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    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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    $Id: tap_echo.c,v 1.6 2004/08/05 16:18:44 tszilagyi Exp $
 
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    $Id: tap_echo.c,v 1.7 2004/12/06 09:32:41 tszilagyi Exp $
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*/
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        if ((ptr = malloc(sizeof(Echo))) != NULL) {
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                ((Echo *)ptr)->sample_rate = SampleRate;
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                ((Echo *)ptr)->run_adding_gain = 1.0f;
 
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                /* allocate memory for ringbuffers and related dynamic vars */
 
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                if ((((Echo *)ptr)->ringbuffer_L = 
 
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                     calloc(MAX_DELAY * ((Echo *)ptr)->sample_rate / 1000,
 
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                            sizeof(LADSPA_Data))) == NULL)
 
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                        exit(1);
 
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                if ((((Echo *)ptr)->ringbuffer_R = 
 
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                     calloc(MAX_DELAY * ((Echo *)ptr)->sample_rate / 1000,
 
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                            sizeof(LADSPA_Data))) == NULL)
 
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                        exit(1);
 
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                if ((((Echo *)ptr)->buffer_pos_L = calloc(1, sizeof(unsigned long))) == NULL)
 
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                        exit(1);
 
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                if ((((Echo *)ptr)->buffer_pos_R = calloc(1, sizeof(unsigned long))) == NULL)
 
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                        exit(1);
 
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                *(((Echo *)ptr)->buffer_pos_L) = 0;
 
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                *(((Echo *)ptr)->buffer_pos_R) = 0;
 
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                return ptr;
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        }
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void
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activate_Echo(LADSPA_Handle Instance) {
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        Echo * ptr;
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        ptr = (Echo *)Instance;
 
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        Echo * ptr = (Echo *)Instance;
 
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        int i;
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        ptr->mpx_out_L = 0;
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        ptr->mpx_out_R = 0;
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        /* allocate memory for ringbuffers and related dynamic vars */
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        if ((ptr->ringbuffer_L = 
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             calloc(MAX_DELAY * ptr->sample_rate / 1000,
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                    sizeof(LADSPA_Data))) == NULL)
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                exit(1);
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        if ((ptr->ringbuffer_R = 
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             calloc(MAX_DELAY * ptr->sample_rate / 1000,
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                    sizeof(LADSPA_Data))) == NULL)
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                exit(1);
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        if ((ptr->buffer_pos_L = calloc(1, sizeof(unsigned long))) == NULL)
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                exit(1);
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        if ((ptr->buffer_pos_R = calloc(1, sizeof(unsigned long))) == NULL)
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                exit(1);
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        *(ptr->buffer_pos_L) = 0;
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        *(ptr->buffer_pos_R) = 0;       
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}
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/* deactivate a plugin instance */
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void
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deactivate_Echo(LADSPA_Handle Instance) {
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        Echo * ptr;
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        ptr = (Echo *)Instance;
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        /* free memory allocated for ringbuffers & co. in activate_Echo() */
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        free(ptr->ringbuffer_L);
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        free(ptr->ringbuffer_R);
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        free(ptr->buffer_pos_L);
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        free(ptr->buffer_pos_R);
 
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        *(ptr->buffer_pos_R) = 0;
 
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        for (i = 0; i < MAX_DELAY * ptr->sample_rate / 1000; i++) {
 
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                ptr->ringbuffer_L[i] = 0.0f;
 
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                ptr->ringbuffer_R[i] = 0.0f;
 
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        }
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}
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void 
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cleanup_Echo(LADSPA_Handle Instance) {
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        Echo * ptr = (Echo *)Instance;
 
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        free(ptr->ringbuffer_L);
 
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        free(ptr->ringbuffer_R);
 
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        free(ptr->buffer_pos_L);
 
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        free(ptr->buffer_pos_R);
 
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        free(Instance);
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}
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        stereo_descriptor->run = run_Echo;
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        stereo_descriptor->run_adding = run_adding_gain_Echo;
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        stereo_descriptor->set_run_adding_gain = set_run_adding_gain;
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        stereo_descriptor->deactivate = deactivate_Echo;
 
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        stereo_descriptor->deactivate = NULL;
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        stereo_descriptor->cleanup = cleanup_Echo;
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}