How to add RK Kodi 16 Support to Firefly RK3288

dewet

Add this to Firefly SDK for Audio Pass-Through

1. diff --git a/core/jni/android_media_AudioTrack.cpp b/core/jni/android_media_AudioTrack.cpp
   
2. index ab38864..c387858 100644
   
3. --- a/core/jni/android_media_AudioTrack.cpp
   
4. +++ b/core/jni/android_media_AudioTrack.cpp
   
5. @@ -68,6 +68,7 @@ struct audiotrack_callback_cookie {
   
6. // keep these values in sync with AudioTrack.java
   
7. #define MODE_STATIC 0
   
8. #define MODE_STREAM 1
   
9. +#define MODE_STREAM_DIRECT 2
   
10. 
    
11. // ----------------------------------------------------------------------------
    
12. class AudioTrackJniStorage {
    
13. @@ -333,6 +334,26 @@ android_media_AudioTrack_setup(JNIEnv *env, jobject thiz, jobject weak_this,
    
14.                  -1, -1,                       // default uid, pid values
    
15.                  paa);
    
16.          break;
    
17. +        
    
18. +    case MODE_STREAM_DIRECT:
    
19. +
    
20. +        status = lpTrack->set(
    
21. +                AUDIO_STREAM_DEFAULT,// stream type, but more info conveyed in paa (last argument)
    
22. +                sampleRateInHertz,
    
23. +                format,// word length, PCM
    
24. +                nativeChannelMask,
    
25. +                frameCount,
    
26. +                AUDIO_OUTPUT_FLAG_DIRECT,
    
27. +                audioCallback, &(lpJniStorage->mCallbackData),//callback, callback data (user)
    
28. +                0,// notificationFrames == 0 since not using EVENT_MORE_DATA to feed the AudioTrack
    
29. +                0,// shared mem
    
30. +                true,// thread can call Java
    
31. +                sessionId,// audio session ID
    
32. +                AudioTrack::TRANSFER_SYNC,
    
33. +                NULL,                         // default offloadInfo
    
34. +                -1, -1,                       // default uid, pid values
    
35. +                paa);
    
36. +        break;
    
37. 
    
38.      default:
    
39.          ALOGE("Unknown mode %d", memoryMode);
    
40. diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
    
41. index 547d87e..ea56cc9 100644
    
42. --- a/media/java/android/media/AudioTrack.java
    
43. +++ b/media/java/android/media/AudioTrack.java
    
44. @@ -92,7 +92,7 @@ public class AudioTrack
    
45.      /** Minimum value for sample rate */
    
46.      private static final int SAMPLE_RATE_HZ_MIN = 4000;
    
47.      /** Maximum value for sample rate */
    
48. -    private static final int SAMPLE_RATE_HZ_MAX = 96000;
    
49. +    private static final int SAMPLE_RATE_HZ_MAX = 192000;
    
50. 
    
51.      /** Maximum value for AudioTrack channel count */
    
52.      private static final int CHANNEL_COUNT_MAX = 8;
    
53. @@ -116,6 +116,7 @@ public class AudioTrack
    
54.       */
    
55.      public static final int MODE_STREAM = 1;
    
56. 
    
57. +    public static final int MODE_STREAM_DIRECT = 2;
    
58.      /**
    
59.       * State of an AudioTrack that was not successfully initialized upon creation.
    
60.       */
    
61. @@ -528,7 +529,7 @@ public class AudioTrack
    
62. 
    
63.          //--------------
    
64.          // audio load mode
    
65. -        if (((mode != MODE_STREAM) && (mode != MODE_STATIC)) ||
    
66. +        if (((mode != MODE_STREAM) && (mode != MODE_STATIC) && (mode != MODE_STREAM_DIRECT)) ||
    
67.                  ((mode != MODE_STREAM) && !AudioFormat.isEncodingLinearPcm(mAudioFormat))) {
    
68.              throw new IllegalArgumentException("Invalid mode.");

Copy the code

Now you can build normal RK Kodi apk from this source
https://github.com/zidootech/zid ... zidoo-rk3368-16.0b4

It is also possible to rebase RK changes in above code to official Kodi Jarvis 16 Final branch and build it.

mac_l1

TNX for the post!