media/gmp-clearkey/0.1/gmp-clearkey.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include <assert.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8
   9 #include "ClearKeySessionManager.h"
  10 #include "gmp-api/gmp-decryption.h"
  11 #include "gmp-api/gmp-platform.h"
  12 #include "mozilla/Attributes.h"
  13
  14 #if defined(ENABLE_WMF)
  15 #include "WMFUtils.h"
  16 #include "AudioDecoder.h"
  17 #include "VideoDecoder.h"
  18 #endif
  19
  20 static GMPPlatformAPI* sPlatform = nullptr;
  21 GMPPlatformAPI*
  22 GetPlatform()
  23 {
  24   return sPlatform;
  25 }
  26
  27 extern "C" {
  28
  29 MOZ_EXPORT GMPErr
  30 GMPInit(GMPPlatformAPI* aPlatformAPI)
  31 {
  32   sPlatform = aPlatformAPI;
  33   return GMPNoErr;
  34 }
  35
  36 MOZ_EXPORT GMPErr
  37 GMPGetAPI(const char* aApiName, void* aHostAPI, void** aPluginAPI)
  38 {
  39   CK_LOGD("ClearKey GMPGetAPI |%s|", aApiName);
  40   assert(!*aPluginAPI);
  41
  42   if (!strcmp(aApiName, GMP_API_DECRYPTOR)) {
  43     *aPluginAPI = new ClearKeySessionManager();
  44   }
  45 #if defined(ENABLE_WMF)
  46   else if (wmf::EnsureLibs()) {
  47     if (!strcmp(aApiName, GMP_API_AUDIO_DECODER)) {
  48       *aPluginAPI = new AudioDecoder(static_cast<GMPAudioHost*>(aHostAPI));
  49     } else if (!strcmp(aApiName, GMP_API_VIDEO_DECODER)) {
  50       *aPluginAPI = new VideoDecoder(static_cast<GMPVideoHost*>(aHostAPI));
  51     }
  52   }
  53 #endif
  54   else {
  55     CK_LOGE("GMPGetAPI couldn't resolve API name |%s|\n", aApiName);
  56   }
  57
  58   return *aPluginAPI ? GMPNoErr : GMPNotImplementedErr;
  59 }
  60
  61 MOZ_EXPORT GMPErr
  62 GMPShutdown(void)
  63 {
  64   CK_LOGD("ClearKey GMPShutdown");
  65   return GMPNoErr;
  66 }
  67
  68 }