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MediaPortal 1
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Codecs, External Players
Stuttering on one SD channel only
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<blockquote data-quote="paalkr" data-source="post: 712453" data-attributes="member: 78371"><p>Thanks for the feedback.</p><p></p><p>In the TV part of the codec setup in MePo configuration, only the MONOGRAM AAC codec is available for LATM AAC. Are there any alternatives? I have installed SAF 5.00 unlocked.</p><p></p><p>Anyway, similar channels as Disney Playhouse play back stutter free. One other strange thing is the input FPS shown in the on-screen display (shift+1 aka "!") in MePo, the FPS Act: value varies from approx 17 to 52. When I analyse the ts buffer file with media info I get the values shown below, and the buffer file is clearly 25fps interlaced. Why isn't the input (Act) FPS in MePo overlay stable then?</p><p></p><p>Screen shot of OSD:</p><p><img src="http://img189.imageshack.us/img189/8742/mepoosd.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>Media Info:</p><p>[CODE]General</p><p>ID : 4 (0x4)</p><p>Complete name : D:\Videos\TV\timeshift\live1-0.ts.tsbuffer1.ts</p><p>Format : MPEG-TS</p><p>Format/Info : Advanced Video Codec</p><p>File size : 977 MiB</p><p></p><p>Video</p><p>ID : 48 (0x30)</p><p>Menu ID : 137 (0x89)</p><p>Format : AVC</p><p>Format/Info : Advanced Video Codec</p><p>Format version : Version 2</p><p>Format profile : Main@L3.0</p><p>Format settings, CABAC : Yes</p><p>Format settings, ReFrames : 4 frames</p><p>Codec ID : 27</p><p>Maximum bit rate : 3 773 Kbps</p><p>Width : 720 pixels</p><p>Height : 576 pixels</p><p>Display aspect ratio : 16:9</p><p>Frame rate : 25.000 fps</p><p>Standard : PAL</p><p>Color space : YUV</p><p>Chroma subsampling : 4:2:0</p><p>Bit depth : 8 bits</p><p>Scan type : Interlaced</p><p>Scan order : Top Field First</p><p>Color primaries : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM</p><p>Transfer characteristics : BT.470-6 System B, BT.470-6 System G</p><p>Matrix coefficients : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM, IEC 61966-2-4 601</p><p></p><p>Audio</p><p>ID : 64 (0x40)</p><p>Menu ID : 137 (0x89)</p><p>Format : AAC</p><p>Format/Info : Advanced Audio Codec</p><p>Format profile : HE-AAC / LC</p><p>Muxing mode : LATM</p><p>Codec ID : 17</p><p>Maximum bit rate : 72.0 Kbps</p><p>Channel(s) : 2 channels</p><p>Channel positions : Front: L R</p><p>Sampling rate : 48.0 KHz / 24.0 KHz</p><p>Compression mode : Lossy</p><p>Delay relative to video : -987ms</p><p>Language : Norwegian</p><p></p><p>Text</p><p>ID : 98 (0x62)-100</p><p>Menu ID : 137 (0x89)</p><p>Format : Teletext</p><p>Language : English[/CODE]</p><p></p><p>Regards,</p><p>PK</p></blockquote><p></p>
[QUOTE="paalkr, post: 712453, member: 78371"] Thanks for the feedback. In the TV part of the codec setup in MePo configuration, only the MONOGRAM AAC codec is available for LATM AAC. Are there any alternatives? I have installed SAF 5.00 unlocked. Anyway, similar channels as Disney Playhouse play back stutter free. One other strange thing is the input FPS shown in the on-screen display (shift+1 aka "!") in MePo, the FPS Act: value varies from approx 17 to 52. When I analyse the ts buffer file with media info I get the values shown below, and the buffer file is clearly 25fps interlaced. Why isn't the input (Act) FPS in MePo overlay stable then? Screen shot of OSD: [IMG]http://img189.imageshack.us/img189/8742/mepoosd.png[/IMG] Media Info: [CODE]General ID : 4 (0x4) Complete name : D:\Videos\TV\timeshift\live1-0.ts.tsbuffer1.ts Format : MPEG-TS Format/Info : Advanced Video Codec File size : 977 MiB Video ID : 48 (0x30) Menu ID : 137 (0x89) Format : AVC Format/Info : Advanced Video Codec Format version : Version 2 Format profile : Main@L3.0 Format settings, CABAC : Yes Format settings, ReFrames : 4 frames Codec ID : 27 Maximum bit rate : 3 773 Kbps Width : 720 pixels Height : 576 pixels Display aspect ratio : 16:9 Frame rate : 25.000 fps Standard : PAL Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Interlaced Scan order : Top Field First Color primaries : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM Transfer characteristics : BT.470-6 System B, BT.470-6 System G Matrix coefficients : BT.470-6 System B, BT.470-6 System G, BT.601-6 625, BT.1358 625, BT.1700 625 PAL, BT.1700 625 SECAM, IEC 61966-2-4 601 Audio ID : 64 (0x40) Menu ID : 137 (0x89) Format : AAC Format/Info : Advanced Audio Codec Format profile : HE-AAC / LC Muxing mode : LATM Codec ID : 17 Maximum bit rate : 72.0 Kbps Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 KHz / 24.0 KHz Compression mode : Lossy Delay relative to video : -987ms Language : Norwegian Text ID : 98 (0x62)-100 Menu ID : 137 (0x89) Format : Teletext Language : English[/CODE] Regards, PK [/QUOTE]
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