[mythtv] mediacodec errors

[Peter Bennett]

On 08/05/2018 02:38 PM, Aman Gupta wrote:
> Hi Peter,
>
> I've been working on trying to reproduce this issue. It looks like it 
> never happens when using Surface based zero-copy rendering.
>
> When copying frame data, I can reproduce after flushing rapidly. 
> Looking at logcat, I see that the entire mediacodec decoder appears to 
> be crashing:
>
> A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
>     Build fingerprint: 
> 'NVIDIA/foster_e/foster:8.0.0/OPR6.170623.010/3019194_1174.8512:user/release-keys'
>     Revision: '0'
>     ABI: 'arm'
>     pid: 431, tid: 27041, name: media.codec  >>> android.hardwar <<<
>     signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x10
>     Cause: null pointer dereference
> A/DEBUG:     r0 4a22f810  r1 00000010  r2 00000220  r3 00000030
>         r4 4a203240  r5 4e7ed000  r6 4e7ee18c  r7 4a22f800
>         r8 00000000  r9 00000002  sl 00030d40  fp 5246a91c
>         ip 80000000  sp 5246a868  lr 4cf455d1  pc 4936be9c  cpsr a00f0010
> A/DEBUG: backtrace:
>         #00 pc 00018e9c  /system/lib/libc.so (memcpy+124)
>         #01 pc 0000b5cd  /vendor/lib/libnvmmlite_video.so
>         #02 pc 0000aaab  /vendor/lib/libnvmmlite_video.so
>         #03 pc 0000636c  /vendor/lib/libnvos.so
>         #04 pc 0004831f  /system/lib/libc.so (_ZL15__pthread_startPv+22)
>         #05 pc 0001b4df  /system/lib/libc.so (__start_thread+32)
> E//system/bin/tombstoned: Tombstone written to: 
> /data/tombstones//tombstone_03
> E/ACodec: OMX/mediaserver died, signalling error!
>     signalError(omxError 0x8000100d, internalError -32)
> I/ServiceManager: service 'media.codec' died
> E/MediaCodec: Codec reported err 0xffffffe0, actionCode 0, while in 
> state 7
> E/NdkMediaCodec: sf error code: -32
> E/ffmpeg: [ffmpeg/video] h264_mediacodec: Failed to flush codec
>
> Are you seeing anything like this in the logs?
>
> Aman
>

Hi Aman

I see something similar in logcat, see below. The problem seems to be 
that Deinterlace sees a buffer as null.

08-10 17:17:36.635   450  1861 D NvOsDebugPrintf: NVMEDIA: Deinterlace: 
339: input buffer is NULL
08-10 17:17:36.635   450  1861 D NvOsDebugPrintf: NVMEDIA: Deinterlace: 
339: input buffer is NULL
08-10 17:17:36.644   454   454 I /system/bin/tombstoned: received crash 
request for pid 450
08-10 17:17:36.646   450  1861 F DEBUG   : *** *** *** *** *** *** *** 
*** *** *** *** *** *** *** *** ***
08-10 17:17:36.646   450  1861 F DEBUG   : Build fingerprint: 
'NVIDIA/darcy/darcy:8.0.0/OPR6.170623.010/3019194_1174.8512:user/release-keys'
08-10 17:17:36.646   450  1861 F DEBUG   : Revision: '0'
08-10 17:17:36.646   450  1861 F DEBUG   : ABI: 'arm'
08-10 17:17:36.646   450  1861 F DEBUG   : pid: 450, tid: 1861, name: 
media.codec  >>> android.hardwar <<<
08-10 17:17:36.646   450  1861 F DEBUG   : signal 11 (SIGSEGV), code 1 
(SEGV_MAPERR), fault addr 0x390
08-10 17:17:36.646   450  1861 F DEBUG   : Cause: null pointer dereference
08-10 17:17:36.866   450  1861 F DEBUG   :     r0 00000000  r1 4ebc317c  
r2 00000000  r3 00000780
08-10 17:17:36.866   450  1861 F DEBUG   :     r4 4ebc3000  r5 4ebba000  
r6 51a90400  r7 00000438
08-10 17:17:36.866   450  1861 F DEBUG   :     r8 4ebc3d8c  r9 00000001  
sl 4ebc418c  fp 0000021c
08-10 17:17:36.866   450  1861 F DEBUG   :     ip 00000800  sp 56950808  
lr 00000002  pc 5185aa12  cpsr 200f0030
08-10 17:17:36.880   450  1861 F DEBUG   :
08-10 17:17:36.880   450  1861 F DEBUG   : backtrace:
08-10 17:17:36.880   450  1861 F DEBUG   :     #00 pc 0000ba12 
/vendor/lib/libnvmmlite_video.so
08-10 17:17:36.880   450  1861 F DEBUG   :     #01 pc 0000b5b3 
/vendor/lib/libnvmmlite_video.so
08-10 17:17:36.880   450  1861 F DEBUG   :     #02 pc 0000aaab 
/vendor/lib/libnvmmlite_video.so
08-10 17:17:36.880   450  1861 F DEBUG   :     #03 pc 0000636c 
/vendor/lib/libnvos.so
08-10 17:17:36.880   450  1861 F DEBUG   :     #04 pc 0004831f 
/system/lib/libc.so (_ZL15__pthread_startPv+22)
08-10 17:17:36.880   450  1861 F DEBUG   :     #05 pc 0001b4df 
/system/lib/libc.so (__start_thread+32)
08-10 17:17:36.886   454   454 E /system/bin/tombstoned: Tombstone 
written to: /data/tombstones//tombstone_08
08-10 17:17:36.897   288   288 I ServiceManager: service 'media.codec' died
08-10 17:17:36.897  1741  1851 E ACodec  : OMX/mediaserver died, 
signalling error!
08-10 17:17:36.897  1741  1851 E ACodec  : signalError(omxError 
0x8000100d, internalError -32)
08-10 17:17:36.897  1741  1850 E MediaCodec: Codec reported err 
0xffffffe0, actionCode 0, while in state 6
08-10 17:17:36.901   678   701 I BootReceiver: Copying 
/data/tombstones/tombstone_08 to DropBox (SYSTEM_TOMBSTONE)
08-10 17:17:36.927   445   465 D MediaAnalyticsService: 
MediaAnalyticsService::newSummarizerSet
08-10 17:17:36.951  1741  1872 I ServiceManager: Waiting for service 
media.codec...
08-10 17:17:36.969  1741  1779 I mfe     : 2018-08-10 17:17:36.909417 E  
AFD: video avcodec_receive_frame error: Generic error in an external 
library (-542398533) gotpicture:0

Peter