service_runtime/nacl_bottom_half.h

   1 /*
   2  * Copyright 2008, Google Inc.
   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 are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * NaCl service runtime.  Bottom half code.
  34  */
  35
  36 #ifndef NATIVE_CLIENT_SERVICE_RUNTIME_NACL_BOTTOM_HALF_H_
  37 #define NATIVE_CLIENT_SERVICE_RUNTIME_NACL_BOTTOM_HALF_H_
  38
  39 #include "native_client/include/portability.h"  /* uintptr_t */
  40 #include "native_client/service_runtime/include/sys/audio_video.h"
  41
  42 #include "native_client/service_runtime/nacl_sync.h"
  43
  44 struct NaClAppThread;
  45 struct NaClClosure;
  46
  47 struct NaClClosureResult {
  48   struct NaClMutex    mu;
  49   struct NaClCondVar  cv;
  50   int                 result_valid;
  51   void                *rv;
  52 };
  53
  54 int NaClClosureResultCtor(struct NaClClosureResult *self);
  55
  56 void NaClClosureResultDtor(struct NaClClosureResult *self);
  57
  58 void *NaClClosureResultWait(struct NaClClosureResult *self);
  59
  60 void NaClClosureResultDone(struct NaClClosureResult *self,
  61                            void                     *rv);
  62
  63 void NaClStartAsyncOp(struct NaClAppThread  *natp,
  64                       struct NaClClosure    *ncp);
  65
  66 int32_t NaClWaitForAsyncOp(struct NaClAppThread *natp);
  67
  68 #if defined(HAVE_SDL)
  69
  70 void NaClBotSysMultimedia_Init(struct NaClAppThread *natp,
  71                                int                  subsys);
  72
  73 void NaClBotSysMultimedia_Shutdown(struct NaClAppThread *natp);
  74
  75 void NaClBotSysVideo_Init(struct NaClAppThread *natp,
  76                           int                  width,
  77                           int                  height);
  78
  79 void NaClBotSysVideo_Shutdown(struct NaClAppThread *natp);
  80
  81 void NaClBotSysVideo_Update(struct NaClAppThread *natp,
  82                             const void           *data);
  83
  84 void NaClBotSysVideo_Poll_Event(struct NaClAppThread *natp,
  85                                 union NaClMultimediaEvent *event);
  86
  87 void NaClBotSysAudio_Init(struct NaClAppThread *natp,
  88                           enum NaClAudioFormat format,
  89                           int                  desired_samples,
  90                           int                  *obtained_samples);
  91
  92 void NaClBotSysAudio_Shutdown(struct NaClAppThread *natp);
  93
  94 int32_t NaClSliceSysAudio_Stream(struct NaClAppThread *natp,
  95                                const void           *data,
  96                                size_t               *size);
  97
  98 #endif  /* defined(HAVE_SDL) */
  99
 100
 101 #endif  /* NATIVE_CLIENT_SERVICE_RUNTIME_NACL_BOTTOM_HALF_H_ */