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MediaPortal 1
MediaPortal 1 Talk
Automatic Refreshrate Changer
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<blockquote data-quote="defor" data-source="post: 412433" data-attributes="member: 91217"><p>Sorry if something similar already appeared here (i have no time to read all 64 pages of this thread <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /> ).</p><p></p><p>First of all: Thank you for such a great feature of automatic rate switching! It's tremendous!</p><p></p><p>However, i've encountered some problems when using my HTPC to play various AVIs/MKVs. Since I like to use some dubbed videos (my children do not understand english <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" />) i very often play some "strangely" made videos which contain video stream from bluray disk and audio stream taken from DVD. Often it mixes 24fps video together with 25fps audio. As a result, video and audio is out of sync when played in 24fps.</p><p>Unfortunately refresh-rate changer automatically switches to 24fps for these videos. And this is unwanted behaviour since i rather prefer 25fps and video/audio "in sync" (even though it results in slightly jerky video reply).</p><p></p><p>Solution for me lies in some "conditional" rate switching, i.e. enable/disable it when i find out that video/audio is out of sync. Unfortunately it cannot be identified in advance because some audio streams work and some do not.</p><p></p><p>So at the end i created a small utility to switch frame rate interactively. It contains very simple gui (just one popup window with a list of supported refresh rates), it allows to choose rate and set it using Windows API. I wanted to keep this utility as simple as possible. I wanted it to use large font size because i use 42" plasma with FullHD resolution. I wanted it to be controlled just by arrow keys + Enter/Esc since i use IR controller with EventGhost tool.</p><p></p><p>Here is a link to this utility with a little readme file and a source code.</p><p></p><p><a href="http://rapidshare.com/files/226681264/FreqSwitcher.zip" target="_blank">RapidShare: Easy Filehosting</a></p><p></p><p>i've set it up so it starts whenever Mediaportal tries to switch refresh rate (i even set "force" there). Window pops up and i can confirm the frequency (by pressing enter on keyboard/IRController or just wait a defined timeout) or reject it by pressing Esc, or even choose a different refresh rate if i wish.</p><p></p><p>Known limitations: This program is really _very_ simple so it supports the primary display device and uses Arial font (of a fixed predefined size) only.</p><p></p><p>Do whatever you want with its source code. I hope it helps. If you think this is useless, let me know <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p>Bye.</p><p></p><p>P.S.: Sorry for my english. I'm not a native speaker <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p></blockquote><p></p>
[QUOTE="defor, post: 412433, member: 91217"] Sorry if something similar already appeared here (i have no time to read all 64 pages of this thread :( ). First of all: Thank you for such a great feature of automatic rate switching! It's tremendous! However, i've encountered some problems when using my HTPC to play various AVIs/MKVs. Since I like to use some dubbed videos (my children do not understand english ;)) i very often play some "strangely" made videos which contain video stream from bluray disk and audio stream taken from DVD. Often it mixes 24fps video together with 25fps audio. As a result, video and audio is out of sync when played in 24fps. Unfortunately refresh-rate changer automatically switches to 24fps for these videos. And this is unwanted behaviour since i rather prefer 25fps and video/audio "in sync" (even though it results in slightly jerky video reply). Solution for me lies in some "conditional" rate switching, i.e. enable/disable it when i find out that video/audio is out of sync. Unfortunately it cannot be identified in advance because some audio streams work and some do not. So at the end i created a small utility to switch frame rate interactively. It contains very simple gui (just one popup window with a list of supported refresh rates), it allows to choose rate and set it using Windows API. I wanted to keep this utility as simple as possible. I wanted it to use large font size because i use 42" plasma with FullHD resolution. I wanted it to be controlled just by arrow keys + Enter/Esc since i use IR controller with EventGhost tool. Here is a link to this utility with a little readme file and a source code. [url=http://rapidshare.com/files/226681264/FreqSwitcher.zip]RapidShare: Easy Filehosting[/url] i've set it up so it starts whenever Mediaportal tries to switch refresh rate (i even set "force" there). Window pops up and i can confirm the frequency (by pressing enter on keyboard/IRController or just wait a defined timeout) or reject it by pressing Esc, or even choose a different refresh rate if i wish. Known limitations: This program is really _very_ simple so it supports the primary display device and uses Arial font (of a fixed predefined size) only. Do whatever you want with its source code. I hope it helps. If you think this is useless, let me know ;) Bye. P.S.: Sorry for my english. I'm not a native speaker :( [/QUOTE]
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