Hi all, x264 provide decode function? videolan.org page introdcuce "x264 - a free h264/avc encoder" .... BRs, bo On Mon, Dec 6, 2010 at 10:54 AM, Rob Wilkes <wilkrob at gmail.com> wrote: > Never mind - got it sorted out. Thanks! > > On Sun, Dec 5, 2010 at 9:36 PM, Rob Wilkes <wilkrob at gmail.com> wrote: >> >> Dzmitry, I now have an iphone build for x264. Just as a quick >> clarification, I only need libx264.a - I can discard the ffmpeg and xvid >> libraries, right? Did you find any easy tutorial on how to use x264 >> libraries? As my first test, I am planning to write a small iphone program >> that just picks up some encoded frames in H264 and I want to pass it to x264 >> to decode as raw so I can construct and display an UIImage. Once I have >> that, I will integrate with PJ. X264 is completely new to me. >> thx >> >> On Sun, Dec 5, 2010 at 10:01 AM, Dzmitry Yablonski <grizlik at gmail.com> >> wrote: >>> >>> You could check it. Try to load array of images and renew UIImageView >>> with images from array for different FPS. You could also try to play with >>> image size and UIImageView size (fit image to screen for different >>> orientation mode). >>> On 05.12.2010, at 15:39, Rob Wilkes wrote: >>> >>> Now this is very interesting, Dzmitry. I thought I have to fiddle with >>> iOS core media framework. >>> So you are suggesting that I construct a UIImage from the raw decoded >>> H.264 buffer and pass it to UIImageView for each frame? I thought this would >>> be very slow, but I guess you've done it! >>> >>> On Sun, Dec 5, 2010 at 8:40 AM, Dzmitry Yablonski <grizlik at gmail.com> >>> wrote: >>>> >>>> Hi Rob >>>> You should add Video media to PjSip. >>>> Use UIImageView for displaying frames after decoding. >>>> Best regards, Dima >>>> On 05.12.2010, at 13:55, Rob Wilkes wrote: >>>> >>>> Super! That's all ?I need to know - that it is practically possible >>>> without mind bending hacks :) >>>> Thanks. >>>> >>>> On Sat, Dec 4, 2010 at 11:55 AM, Dzmitry Yablonski <grizlik at gmail.com> >>>> wrote: >>>>> >>>>> Hi Bo >>>>> >>>>> Yes, we use x264 ( from http://www.videolan.org/developers/x264.html) >>>>> for decode h264. >>>>> >>>>> best regards, Dima >>>>> >>>>> >>>>> On 04.12.2010, at 16:41, bo shi wrote: >>>>> >>>>> > Hi Dima, >>>>> > ? I learned that the iPhone sdk does not publish the H.264 codec API, >>>>> > so developer can not use hardware decoder to decode raw H.264 stream >>>>> > directly, how can you do that? You decode video in soft way? >>>>> > >>>>> > Thanks in advance! >>>>> > Bo >>>>> > >>>>> > >>>>> > On Saturday, December 4, 2010, Dzmitry Yablonski <grizlik at gmail.com> >>>>> > wrote: >>>>> >> Hello Rob >>>>> >> We have implemented video call with PjSip 1.8.5 on iPhone. >>>>> >> Best regards, Dima. >>>>> >> >>>>> >> >>>>> >> On 04.12.2010, at 15:26, Rob Wilkes wrote: >>>>> >> I also noticed that your roadmap says it will initially be for >>>>> >> windows. My requirement is for iphone. I guess my question is not really a >>>>> >> PJSIP question, but rather to developers who may have used PJ to make video >>>>> >> work on iPhone - just wanted to check if it is doable or impossible today >>>>> >> due to some iphone restriction :) >>>>> >> >>>>> >> On Sat, Dec 4, 2010 at 8:42 AM, Rob Wilkes <wilkrob at gmail.com> >>>>> >> wrote: >>>>> >> >>>>> >> Hi Benny, Yes, I know PJSIP also plans to support it - but for this >>>>> >> project, I cannot wait for that update, so I plan to do it myself. Since you >>>>> >> may be ahead of me, I was curious if there are any restrictions in the >>>>> >> iPhone APIs itself that will inhibit PJSIP (or any other stack) to not work >>>>> >> with video. For example, it looks like I cannot use the Movie Player class >>>>> >> as it expects a URL.For ?this to work, we will need frame/frame >>>>> >> encode/decode and display support on the iPhone. >>>>> >> >>>>> >> >>>>> >> thanks! >>>>> >> >>>>> >> On Fri, Dec 3, 2010 at 10:12 PM, Benny Prijono <bennylp at teluu.com> >>>>> >> wrote: >>>>> >> >>>>> >> Hi, FYI we are also working on video and it is planned for the >>>>> >> upcoming 2.0 release. Have a look at our roadmap in the trac site. >>>>> >> >>>>> >> Best regards, >>>>> >> ?Benny >>>>> >> >>>>> >> >>>>> >> On Sat, Dec 4, 2010 at 3:51 AM, Rob Wilkes <wilkrob at gmail.com> >>>>> >> wrote: >>>>> >>> Hi, I have started on an activity to get a basic Video call working >>>>> >>> on >>>>> >>> iPhone. It needs be be over RTP, preferably with H.264 codec. Has >>>>> >>> anyone >>>>> >>> written a video client with PJSIP specifically for the iphone? Are >>>>> >>> there any >>>>> >>> road blocks? ( I know PJSIP doesnt support video for now, but I >>>>> >>> plan to >>>>> >>> extend it - my question is more in the iPhone side). Prelim. >>>>> >>> analysis shows >>>>> >>> I can pass H.264 streams to the iphone media player framework and >>>>> >>> it can >>>>> >>> instantiate the appropriate player. My approximate plan is to send >>>>> >>> audio + >>>>> >>> video data using PJSIP, then extend PJSIP to support video decoding >>>>> >>> and pass >>>>> >>> the decoded H264 buffer to the media framework of iphone. >>>>> >>> >>>>> >>> >>>>> >>> _______________________________________________ >>>>> >>> Visit our blog: http://blog.pjsip.org <http://blog.pjsip.org/> >>>>> >>> >>>>> >>> pjsip mailing list >>>>> >>> pjsip at lists.pjsip.org >>>>> >>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>>> >>> >>>>> >>> >>>>> >> >>>>> >> _______________________________________________ >>>>> >> Visit our blog: http://blog.pjsip.org <http://blog.pjsip.org/> >>>>> >> >>>>> >> pjsip mailing list >>>>> >> pjsip at lists.pjsip.org >>>>> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>>> >> >>>>> >> >>>>> >> >>>>> >> _______________________________________________ >>>>> >> Visit our blog: http://blog.pjsip.org >>>>> >> >>>>> >> pjsip mailing list >>>>> >> pjsip at lists.pjsip.org >>>>> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>>> >> >>>>> >> >>>>> > >>>>> > _______________________________________________ >>>>> > Visit our blog: http://blog.pjsip.org >>>>> > >>>>> > pjsip mailing list >>>>> > pjsip at lists.pjsip.org >>>>> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>>> >>>>> >>>>> _______________________________________________ >>>>> Visit our blog: http://blog.pjsip.org >>>>> >>>>> pjsip mailing list >>>>> pjsip at lists.pjsip.org >>>>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>> >>>> _______________________________________________ >>>> Visit our blog: http://blog.pjsip.org >>>> >>>> pjsip mailing list >>>> pjsip at lists.pjsip.org >>>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>> >>>> >>>> _______________________________________________ >>>> Visit our blog: http://blog.pjsip.org >>>> >>>> pjsip mailing list >>>> pjsip at lists.pjsip.org >>>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>> >>> >>> _______________________________________________ >>> Visit our blog: http://blog.pjsip.org >>> >>> pjsip mailing list >>> pjsip at lists.pjsip.org >>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>> >>> >>> _______________________________________________ >>> Visit our blog: http://blog.pjsip.org >>> >>> pjsip mailing list >>> pjsip at lists.pjsip.org >>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>> >> > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > >
