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MP1.16 Remote Client Unable to Play: B43534E1 error watching Recorded TV
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<blockquote data-quote="RonD" data-source="post: 1223849" data-attributes="member: 117536"><p>Tried all 3 StreamingServer_dll files, v1.1.5 from the other thread and both v1.1.7 and v.1.18 from this thread. Zipfile has LibreOffice “.ods” file with trace info. 1 sheet per test. I can save/upload a excel “.xls” file if that is better. But bottom line is no real difference with any of the StreamingServer_dll, suspect the "prefetch" activity is part of MediaInfo.</p><p></p><p>For testing I used different episodes of the same show so each time I watched video it would be 1st access to that recording/file. All recordings are 1920-1080i, 62 minute, 3720 sec, the files are about 7150 MB, so about 1.9 MB/sec when watching video. Trace is about 3 minutes for each file. All 3 traces show about same story, the various StreamingServer seem to work the same. All 3 traces show 2 long 0.5+ sec delays. See picture.</p><p></p><p>Looking at 1 trace in detail seems like there are 2 different phases, from v1.1.7_no_seq, the other 2 traces are similar used color to highlight interesting rows in all 3 traces.</p><p></p><p>Phase 1</p><p>row 11, 2:56:33.1070574 PM, duration 0.5341599, mediaportal start reading 16 MB at Offset 0, sequential 64 to 128 KB</p><p>row 66, 2:56:33.8842895 PM, finish reading 16 MB at offset Offset: 16,711,680</p><p></p><p>row 669, 2:56:33.8859023 PM, start ~40 MB prefetch in 2 to 4 MB blocks at offset Offset: 16,777,216</p><p>there are a few 0.1 sec duration reads after the prefetch starts</p><p></p><p>row 691, 2:56:34.1521507 PM, mediaportal skips to Offset: 7,311,692,144 start reading 16 MB</p><p>row 1342, 2:56:34.4757121 PM, finish reading at Offset: 7,328,403,824</p><p></p><p>Phase 2</p><p>row 1365, 2:56:34.5504293 PM, start reading at Offset 0, sequential 64 to 128 KB</p><p>row 1786, 2:57:01.5046248 PM, long duration 0.5208976 delay, Offset: 50,331,648</p><p>in the middle of sequential 128 KB reads no obvious signs of other activity, prefetch</p><p>Nothing else interesting after the delays, just more sequential reads</p><p></p><p>My guess is Phase 1 is MediaInfo scanning recording to identify how to stream the video. Phase 2 is streamingserver reading/streaming video to "watch"</p><p></p><p>No Idea what causes the 2 sets of long 0.5+ sec delays in each file. There is one 0.5+ sec delay in Phase 1 and one 0.5 sec delay in Phase 2. The long delay times are</p><p></p><p>V1.1.5</p><p>row 78, 3:07:24.3155881 PM, Offset: 2,031,616, Length: 65,536</p><p>row 1751, 3:07:52.9099328 PM, Offset: 50,331,648, Length: 131,072</p><p>v1.1.7</p><p>row 11, 2:56:33.1070574 PM, Offset: 0, Length: 65,536</p><p>row 1786, 2:57:01.5046248 PM, Offset: 50,331,648, Length: 131,072</p><p>v1.1.8</p><p>row 86, 3:02:01.4575030 PM, Offset: 2,293,760, Length: 65,536</p><p>row 1805, 3:02:31.6878231 PM, Offset: 54,657,024, Length: 262,144</p></blockquote><p></p>
[QUOTE="RonD, post: 1223849, member: 117536"] Tried all 3 StreamingServer_dll files, v1.1.5 from the other thread and both v1.1.7 and v.1.18 from this thread. Zipfile has LibreOffice “.ods” file with trace info. 1 sheet per test. I can save/upload a excel “.xls” file if that is better. But bottom line is no real difference with any of the StreamingServer_dll, suspect the "prefetch" activity is part of MediaInfo. For testing I used different episodes of the same show so each time I watched video it would be 1st access to that recording/file. All recordings are 1920-1080i, 62 minute, 3720 sec, the files are about 7150 MB, so about 1.9 MB/sec when watching video. Trace is about 3 minutes for each file. All 3 traces show about same story, the various StreamingServer seem to work the same. All 3 traces show 2 long 0.5+ sec delays. See picture. Looking at 1 trace in detail seems like there are 2 different phases, from v1.1.7_no_seq, the other 2 traces are similar used color to highlight interesting rows in all 3 traces. Phase 1 row 11, 2:56:33.1070574 PM, duration 0.5341599, mediaportal start reading 16 MB at Offset 0, sequential 64 to 128 KB row 66, 2:56:33.8842895 PM, finish reading 16 MB at offset Offset: 16,711,680 row 669, 2:56:33.8859023 PM, start ~40 MB prefetch in 2 to 4 MB blocks at offset Offset: 16,777,216 there are a few 0.1 sec duration reads after the prefetch starts row 691, 2:56:34.1521507 PM, mediaportal skips to Offset: 7,311,692,144 start reading 16 MB row 1342, 2:56:34.4757121 PM, finish reading at Offset: 7,328,403,824 Phase 2 row 1365, 2:56:34.5504293 PM, start reading at Offset 0, sequential 64 to 128 KB row 1786, 2:57:01.5046248 PM, long duration 0.5208976 delay, Offset: 50,331,648 in the middle of sequential 128 KB reads no obvious signs of other activity, prefetch Nothing else interesting after the delays, just more sequential reads My guess is Phase 1 is MediaInfo scanning recording to identify how to stream the video. Phase 2 is streamingserver reading/streaming video to "watch" No Idea what causes the 2 sets of long 0.5+ sec delays in each file. There is one 0.5+ sec delay in Phase 1 and one 0.5 sec delay in Phase 2. The long delay times are V1.1.5 row 78, 3:07:24.3155881 PM, Offset: 2,031,616, Length: 65,536 row 1751, 3:07:52.9099328 PM, Offset: 50,331,648, Length: 131,072 v1.1.7 row 11, 2:56:33.1070574 PM, Offset: 0, Length: 65,536 row 1786, 2:57:01.5046248 PM, Offset: 50,331,648, Length: 131,072 v1.1.8 row 86, 3:02:01.4575030 PM, Offset: 2,293,760, Length: 65,536 row 1805, 3:02:31.6878231 PM, Offset: 54,657,024, Length: 262,144 [/QUOTE]
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