src/apps/cortex/addons/AudioAdapter/AudioAdapterAddOn.cpp

   1 /*
   2  * Copyright (c) 1999-2000, Eric Moon.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions, and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  27  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31
  32 // AudioAdapterAddOn.cpp
  33
  34 #include "AudioAdapterAddOn.h"
  35
  36 #include "AudioAdapterNode.h"
  37 //#include "AudioFilterNode.h"
  38 #include "AudioAdapterOp.h"
  39
  40 #include <Entry.h>
  41 #include <Debug.h>
  42 #include <cstring>
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 // -------------------------------------------------------- //
  47 // instantiation function
  48 // -------------------------------------------------------- //
  49
  50 extern "C" _EXPORT BMediaAddOn* make_media_addon(image_id image) {
  51         return new AudioAdapterAddOn(image);
  52 }
  53
  54 // -------------------------------------------------------- //
  55 // main() stub
  56 // -------------------------------------------------------- //
  57
  58 int main() {
  59         fputs("[AudioAdapter.media_addon]", stderr);
  60         return 1;
  61 }
  62
  63 // -------------------------------------------------------- //
  64 // ctor/dtor
  65 // -------------------------------------------------------- //
  66
  67 //AudioAdapterAddOn::~AudioAdapterAddOn() {}
  68 AudioAdapterAddOn::AudioAdapterAddOn(image_id id) :
  69         BMediaAddOn(id) {}
  70
  71 // -------------------------------------------------------- //
  72 // BMediaAddOn impl
  73 // -------------------------------------------------------- //
  74
  75 status_t AudioAdapterAddOn::InitCheck(
  76         const char** out_failure_text) {
  77         return B_OK;
  78 }
  79
  80 int32 AudioAdapterAddOn::CountFlavors() {
  81         return 1;
  82 }
  83
  84 status_t AudioAdapterAddOn::GetFlavorAt(
  85         int32 n,
  86         const flavor_info** out_info) {
  87         if(n)
  88                 return B_ERROR;
  89
  90         flavor_info* pInfo = new flavor_info;
  91         pInfo->internal_id = n;
  92         pInfo->name = (char *)"AudioAdapter";
  93         pInfo->info = (char *)
  94                 "AudioAdapter (generic raw-audio format conversion).\n"
  95                 "by Eric Moon (8 September 1999)";
  96         pInfo->kinds = B_BUFFER_CONSUMER | B_BUFFER_PRODUCER | B_CONTROLLABLE;
  97         pInfo->flavor_flags = 0;
  98         pInfo->possible_count = 0;
  99
 100         pInfo->in_format_count = 1;
 101         media_format* pFormat = new media_format;
 102         pFormat->type = B_MEDIA_RAW_AUDIO;
 103         pFormat->u.raw_audio = media_raw_audio_format::wildcard;
 104         pInfo->in_formats = pFormat;
 105
 106         pInfo->out_format_count = 1;
 107         pFormat = new media_format;
 108         pFormat->type = B_MEDIA_RAW_AUDIO;
 109         pFormat->u.raw_audio = media_raw_audio_format::wildcard;
 110         pInfo->out_formats = pFormat;
 111
 112         *out_info = pInfo;
 113         return B_OK;
 114 }
 115
 116 BMediaNode* AudioAdapterAddOn::InstantiateNodeFor(
 117         const flavor_info* info,
 118         BMessage* config,
 119         status_t* out_error) {
 120
 121         return new _AudioAdapterNode(
 122                 "AudioAdapter",
 123                 new AudioAdapterOpFactory(),
 124                 this);
 125 }
 126
 127 status_t AudioAdapterAddOn::GetConfigurationFor(
 128         BMediaNode* your_node,
 129         BMessage* into_message) {
 130
 131         // no config yet
 132         return B_OK;
 133 }
 134
 135
 136 // END -- AudioAdapterAddOn.cpp --