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poor performance with .ogm, divx5 and vorbis
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<blockquote data-quote="Goose" data-source="post: 244596" data-attributes="member: 50576"><p>I have been experiencing poor playback performance in MP when playing back an .ogm container with divx5 video and vorbis audio. The videos in question play but they are extremely choppy, clearly dropping frames and lots of audio stutter. Strangely though high res H264 playback is fine, so it is not a crappy system thing (as you would expect from the specs listed below. </p><p></p><p>Also playback in anything other than mp is flawless. That inculdes MPC, windows MP and even VLC. </p><p></p><p>These particular videos have always seemed to play poorly in MP. I used to have an old crappy machine with mp on it and they would play poorly on that pc, which i attributed to the hardware, however this is not that case now, especially when they play well in any other player. I use ffdshow for playback and by default i have some filters improving video quality. The performance is the same whether i disable the filters or not. I have also turned of evr to see if that could be it, to no avail. I am running a recent SVN.</p><p></p><p>The videos in question are japanese anime, they are from various release groups, but always these 3 culprits. </p><p></p><p>I was considering remuxing the videos in question to see what the issue is specifically. Id est. the .ogm container or divx5 or vorbis. Interestingly though i have other media with one or two of these culprits in them that play ok. eg. an .mkv with divx5 video and vorbis for audio or a .ogm with xvid and mp3. </p><p></p><p>I believe the issue is related to the built in directshow player but i am not really sure on how to verify.</p><p></p><p>any help would be most appreciated.</p><p></p><p>this post is rather ironic due to my signature <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p><strong>TV-Server Version</strong>: </p><p><strong>MediaPortal Version</strong>: SVN</p><p><strong>MediaPortal Skin</strong>: Indigo 1.6</p><p><strong>Windows Version</strong>: Vista</p><p><strong>CPU Type</strong>: Athlon X2 @ 2.6</p><p><strong>HDD</strong>: WD 200GB and 4 x WD 1TB in raid 5 on Dell Perc 5i</p><p><strong>Memory</strong>: 3GB DDR-400</p><p><strong>Motherboard</strong>: MSI K8N Diamond Plus</p><p><strong>Motherboard Chipset</strong>: Nvidia Nforce 4 SLI x16</p><p><strong>Motherboard Bios</strong>: MSI v1.2</p><p><strong>Video Card</strong>: MSI/ATI 2600XT</p><p><strong>Video Card Driver</strong>: generally the latest</p><p><strong>Sound Card</strong>: onboard SB Audigy zs</p><p><strong>Sound Card AC3</strong>: coax and optical</p><p><strong>Sound Card Driver</strong>: generally the latest</p><p><strong>1. TV Card</strong>: </p><p><strong>1. TV Card Type</strong>: </p><p><strong>1. TV Card Driver</strong>: </p><p><strong>2. TV Card</strong>: </p><p><strong>2. TV Card Type</strong>: </p><p><strong>2. TV Card Driver</strong>: </p><p><strong>3. TV Card</strong>: </p><p><strong>3. TV Card Type</strong>: </p><p><strong>3. TV Card Driver</strong>: </p><p><strong>4. TV Card</strong>: </p><p><strong>4. TV Card Type</strong>: </p><p><strong>4. TV Card Driver</strong>: </p><p><strong>MPEG2 Video Codec</strong>: MPV</p><p><strong>MPEG2 Audio Codec</strong>: MPA</p><p><strong>Satelite/CableTV Provider</strong>: </p><p><strong>HTPC Case</strong>: </p><p><strong>Cooling</strong>: Fans, duh</p><p><strong>Power Supply</strong>: thermal take 750Watt</p><p><strong>Remote</strong>: Microsoft MCE Europe edition</p><p><strong>TV</strong>: samsung 32" lcd</p><p><strong>TV - HTPC Connection</strong>: Dsub</p></blockquote><p></p>
[QUOTE="Goose, post: 244596, member: 50576"] I have been experiencing poor playback performance in MP when playing back an .ogm container with divx5 video and vorbis audio. The videos in question play but they are extremely choppy, clearly dropping frames and lots of audio stutter. Strangely though high res H264 playback is fine, so it is not a crappy system thing (as you would expect from the specs listed below. Also playback in anything other than mp is flawless. That inculdes MPC, windows MP and even VLC. These particular videos have always seemed to play poorly in MP. I used to have an old crappy machine with mp on it and they would play poorly on that pc, which i attributed to the hardware, however this is not that case now, especially when they play well in any other player. I use ffdshow for playback and by default i have some filters improving video quality. The performance is the same whether i disable the filters or not. I have also turned of evr to see if that could be it, to no avail. I am running a recent SVN. The videos in question are japanese anime, they are from various release groups, but always these 3 culprits. I was considering remuxing the videos in question to see what the issue is specifically. Id est. the .ogm container or divx5 or vorbis. Interestingly though i have other media with one or two of these culprits in them that play ok. eg. an .mkv with divx5 video and vorbis for audio or a .ogm with xvid and mp3. I believe the issue is related to the built in directshow player but i am not really sure on how to verify. any help would be most appreciated. this post is rather ironic due to my signature :) [b]TV-Server Version[/b]: [b]MediaPortal Version[/b]: SVN [b]MediaPortal Skin[/b]: Indigo 1.6 [b]Windows Version[/b]: Vista [b]CPU Type[/b]: Athlon X2 @ 2.6 [b]HDD[/b]: WD 200GB and 4 x WD 1TB in raid 5 on Dell Perc 5i [b]Memory[/b]: 3GB DDR-400 [b]Motherboard[/b]: MSI K8N Diamond Plus [b]Motherboard Chipset[/b]: Nvidia Nforce 4 SLI x16 [b]Motherboard Bios[/b]: MSI v1.2 [b]Video Card[/b]: MSI/ATI 2600XT [b]Video Card Driver[/b]: generally the latest [b]Sound Card[/b]: onboard SB Audigy zs [b]Sound Card AC3[/b]: coax and optical [b]Sound Card Driver[/b]: generally the latest [b]1. TV Card[/b]: [b]1. TV Card Type[/b]: [b]1. TV Card Driver[/b]: [b]2. TV Card[/b]: [b]2. TV Card Type[/b]: [b]2. TV Card Driver[/b]: [b]3. TV Card[/b]: [b]3. TV Card Type[/b]: [b]3. TV Card Driver[/b]: [b]4. TV Card[/b]: [b]4. TV Card Type[/b]: [b]4. TV Card Driver[/b]: [b]MPEG2 Video Codec[/b]: MPV [b]MPEG2 Audio Codec[/b]: MPA [b]Satelite/CableTV Provider[/b]: [b]HTPC Case[/b]: [b]Cooling[/b]: Fans, duh [b]Power Supply[/b]: thermal take 750Watt [b]Remote[/b]: Microsoft MCE Europe edition [b]TV[/b]: samsung 32" lcd [b]TV - HTPC Connection[/b]: Dsub [/QUOTE]
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