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GPU acceleration with LAV Filters sometimes bypassed?
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<blockquote data-quote="BushLin" data-source="post: 1006734" data-attributes="member: 133981"><p>I have a pretty pathetic CPU in my TV box (single core Pentium M 760, 2Ghz) which is mitigated by a Geforce 9400GT to allow decoding of high bitrate 1080p using native DVXA2 & LAV Filters.</p><p> </p><p>This all works great with broadcast TV in H.264 (UK Freesat) but I find I have to choose the lower quality steams with OnlineVideos to avoid stuttering (or more likely little 1 second segments repeated 3 or 4 times) with sites like BBC iPlayer yet I can play the same or higher resolution and bitrate steams from other sites like ThatGuyWithTheGlasses.</p><p> </p><p>Am I somehow not using LAV Filters' GPU acceleration even though the log says it's a H.264 stream, I have LAV Filters chosen for all video types and DVXA2 native enabled and working?</p><p>If so...</p><p>Is there something I can fix software wise?</p><p>and if not...</p><p>is there the potential for GPU acceleration for what might be an unusual video format to be added later to LAV Filters/OnlineVideos?</p><p>or</p><p>Is my VP2 video card never going to be able to do this and I should look at a new low power platform like AMD's Kabini?</p><p> </p><p>Here's the log of one video stuttering followed by another with smooth playback but both streams are supposedly 720p H.264</p><p> </p><p>[06-27 01:15:13,102] [MPMain ] [INFO ] OnlineVideosPlayer: Play 'rtmp://iplayertokfs.fplive.net####Url=rtmp%3a%2f%2fiplayertokfs.fplive.net%3a1935%2f&RtmpApp=iplayertok%3ftoken%3dc3RhcnRfdGltZT0yMDEzMDYyNjIyMTQ1MCZlbmRfdGltZT0yMDEzMDYyNzAyMTQ1MCZkaWdlc3Q9MTUwZTc0ZGI0MTlkZGRkMGZjMzdkOTI3NTBiMWU4ZWQ%3d&RtmpPlayPath=mp4%3a3200kbps%2fb0369pk9_1372125317&RtmpSwfUrl=http%3a%2f%2fwww.bbc.co.uk%2femp%2freleases%2fiplayer%2frevisions%2f617463_618125_4%2f617463_618125_4_emp.swf&RtmpSwfVerify=1&RtmpTcUrl=rtmp%3a%2f%2fiplayertokfs.fplive.net%3a1935%2fiplayertok%3ftoken%3dc3RhcnRfdGltZT0yMDEzMDYyNjIyMTQ1MCZlbmRfdGltZT0yMDEzMDYyNzAyMTQ1MCZkaWdlc3Q9MTUwZTc0ZGI0MTlkZGRkMGZjMzdkOTI3NTBiMWU4ZWQ%3d&RtmpToken=token%3dc3RhcnRfdGltZT0yMDEzMDYyNjIyMTQ1MCZlbmRfdGltZT0yMDEzMDYyNzAyMTQ1MCZkaWdlc3Q9MTUwZTc0ZGI0MTlkZGRkMGZjMzdkOTI3NTBiMWU4ZWQ%3d'</p><p>[06-27 01:15:14,331] [MPMain ] [INFO ] OnlineVideosPlayer: Duration 1735.13 sec</p><p>[06-27 01:15:16,461] [OVPlaying ] [INFO ] Setting Video Properties for '2006 (1280x720 | 2800 kbps | level3)'</p><p>[06-27 01:16:08,992] [MPMain ] [INFO ] OnlineVideosPlayer: Stop</p><p>[06-27 01:16:09,868] [MPMain ] [INFO ] DoPageLoad with CurrentState 'videos', PreviousWindowId '4758'</p><p>[06-27 01:16:12,629] [OnlineVideos] [INFO ] Looking for dynamic categories for site 'BBC iPlayer'</p><p>[06-27 01:16:12,631] [OnlineVideos] [INFO ] Found 30 dynamic categories for site 'BBC iPlayer'</p><p>[06-27 01:16:17,741] [OnlineVideos] [INFO ] Looking for dynamic categories for site 'ThatGuyWithTheGlasses'</p><p>[06-27 01:16:19,010] [OnlineVideos] [INFO ] Found 0 dynamic categories for site 'ThatGuyWithTheGlasses'</p><p>[06-27 01:16:36,420] [MPMain ] [INFO ] Preparing graph for playback of '<a href="http://blip.tv/file/get/NostalgiaCritic-NostalgiaCriticAreVideoGamesArt158.m4v" target="_blank">http://blip.tv/file/get/NostalgiaCritic-NostalgiaCriticAreVideoGamesArt158.m4v</a>'</p><p>[06-27 01:16:36,692] [OnlineVideos] [INFO ] Start prebuffering ...</p><p>[06-27 01:16:41,023] [OVGraph ] [INFO ] found H264 video on output pin</p><p>[06-27 01:16:41,155] [OnlineVideos] [INFO ] Prebuffering finished.</p><p>[06-27 01:16:41,169] [MPMain ] [INFO ] OnlineVideosPlayer: Play '<a href="http://blip.tv/file/get/NostalgiaCritic-NostalgiaCriticAreVideoGamesArt158.m4v" target="_blank">http://blip.tv/file/get/NostalgiaCritic-NostalgiaCriticAreVideoGamesArt158.m4v</a>'</p><p>[06-27 01:16:41,709] [MPMain ] [INFO ] OnlineVideosPlayer: Duration 715.35 sec</p><p>[06-27 01:16:43,724] [OVPlaying ] [INFO ] Setting Video Properties for 'Nostalgia Critic - Are Video Games Art? (3 - hd720)'</p><p>[06-27 01:25:09,209] [MPMain ] [INFO ] OnlineVideosPlayer: Stop</p></blockquote><p></p>
[QUOTE="BushLin, post: 1006734, member: 133981"] I have a pretty pathetic CPU in my TV box (single core Pentium M 760, 2Ghz) which is mitigated by a Geforce 9400GT to allow decoding of high bitrate 1080p using native DVXA2 & LAV Filters. This all works great with broadcast TV in H.264 (UK Freesat) but I find I have to choose the lower quality steams with OnlineVideos to avoid stuttering (or more likely little 1 second segments repeated 3 or 4 times) with sites like BBC iPlayer yet I can play the same or higher resolution and bitrate steams from other sites like ThatGuyWithTheGlasses. Am I somehow not using LAV Filters' GPU acceleration even though the log says it's a H.264 stream, I have LAV Filters chosen for all video types and DVXA2 native enabled and working? If so... Is there something I can fix software wise? and if not... is there the potential for GPU acceleration for what might be an unusual video format to be added later to LAV Filters/OnlineVideos? or Is my VP2 video card never going to be able to do this and I should look at a new low power platform like AMD's Kabini? Here's the log of one video stuttering followed by another with smooth playback but both streams are supposedly 720p H.264 [06-27 01:15:13,102] [MPMain ] [INFO ] OnlineVideosPlayer: Play 'rtmp://iplayertokfs.fplive.net####Url=rtmp%3a%2f%2fiplayertokfs.fplive.net%3a1935%2f&RtmpApp=iplayertok%3ftoken%3dc3RhcnRfdGltZT0yMDEzMDYyNjIyMTQ1MCZlbmRfdGltZT0yMDEzMDYyNzAyMTQ1MCZkaWdlc3Q9MTUwZTc0ZGI0MTlkZGRkMGZjMzdkOTI3NTBiMWU4ZWQ%3d&RtmpPlayPath=mp4%3a3200kbps%2fb0369pk9_1372125317&RtmpSwfUrl=http%3a%2f%2fwww.bbc.co.uk%2femp%2freleases%2fiplayer%2frevisions%2f617463_618125_4%2f617463_618125_4_emp.swf&RtmpSwfVerify=1&RtmpTcUrl=rtmp%3a%2f%2fiplayertokfs.fplive.net%3a1935%2fiplayertok%3ftoken%3dc3RhcnRfdGltZT0yMDEzMDYyNjIyMTQ1MCZlbmRfdGltZT0yMDEzMDYyNzAyMTQ1MCZkaWdlc3Q9MTUwZTc0ZGI0MTlkZGRkMGZjMzdkOTI3NTBiMWU4ZWQ%3d&RtmpToken=token%3dc3RhcnRfdGltZT0yMDEzMDYyNjIyMTQ1MCZlbmRfdGltZT0yMDEzMDYyNzAyMTQ1MCZkaWdlc3Q9MTUwZTc0ZGI0MTlkZGRkMGZjMzdkOTI3NTBiMWU4ZWQ%3d' [06-27 01:15:14,331] [MPMain ] [INFO ] OnlineVideosPlayer: Duration 1735.13 sec [06-27 01:15:16,461] [OVPlaying ] [INFO ] Setting Video Properties for '2006 (1280x720 | 2800 kbps | level3)' [06-27 01:16:08,992] [MPMain ] [INFO ] OnlineVideosPlayer: Stop [06-27 01:16:09,868] [MPMain ] [INFO ] DoPageLoad with CurrentState 'videos', PreviousWindowId '4758' [06-27 01:16:12,629] [OnlineVideos] [INFO ] Looking for dynamic categories for site 'BBC iPlayer' [06-27 01:16:12,631] [OnlineVideos] [INFO ] Found 30 dynamic categories for site 'BBC iPlayer' [06-27 01:16:17,741] [OnlineVideos] [INFO ] Looking for dynamic categories for site 'ThatGuyWithTheGlasses' [06-27 01:16:19,010] [OnlineVideos] [INFO ] Found 0 dynamic categories for site 'ThatGuyWithTheGlasses' [06-27 01:16:36,420] [MPMain ] [INFO ] Preparing graph for playback of '[url]http://blip.tv/file/get/NostalgiaCritic-NostalgiaCriticAreVideoGamesArt158.m4v[/url]' [06-27 01:16:36,692] [OnlineVideos] [INFO ] Start prebuffering ... [06-27 01:16:41,023] [OVGraph ] [INFO ] found H264 video on output pin [06-27 01:16:41,155] [OnlineVideos] [INFO ] Prebuffering finished. [06-27 01:16:41,169] [MPMain ] [INFO ] OnlineVideosPlayer: Play '[url]http://blip.tv/file/get/NostalgiaCritic-NostalgiaCriticAreVideoGamesArt158.m4v[/url]' [06-27 01:16:41,709] [MPMain ] [INFO ] OnlineVideosPlayer: Duration 715.35 sec [06-27 01:16:43,724] [OVPlaying ] [INFO ] Setting Video Properties for 'Nostalgia Critic - Are Video Games Art? (3 - hd720)' [06-27 01:25:09,209] [MPMain ] [INFO ] OnlineVideosPlayer: Stop [/QUOTE]
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GPU acceleration with LAV Filters sometimes bypassed?
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