I think trying to use the MediaPlayer to display MJpeg is an overkill. You could probably just write some simple code in your app. or other native component that just reads the file, and passes a series of bitmaps to the app. for displaying.
-Ravi On Apr 30, 5:42 am, Deva R <r.deva...@gmail.com> wrote: > +list > > ---------- Forwarded message ---------- > From: Deva R <r.deva...@gmail.com> > Date: Fri, Apr 30, 2010 at 3:39 PM > Subject: Re: [android-porting] some quesitions for new decoder > > integration process of opencore framework > To: song guo <guosong0...@gmail.com> > > android eclair by default have arm jpeg decoder at > ./external/skia/src/images/SkImageDecoder_libjpeg.cpp > > link:http://git.omapzoom.org/?p=patch/platform/external/skia.git;a=blob;f=... > > however, for mjpeg, i feel its more relevant to follow a video decoder > component.. > > On Fri, Apr 30, 2010 at 8:30 AM, song guo <guosong0...@gmail.com> wrote: > > Hi Deva, > > Thank you very much, > > But I walk through the links you provided, however, can not find the jpeg > > component. > > I am afraid jpeg component has not been implemented in open core yet. > > Is there any other resource where I can turn to for a sample jpeg component > > or better mjpeg component? > > best regards, > > dadao > > > On Thu, Apr 29, 2010 at 10:10 PM, Deva R <r.deva...@gmail.com> wrote: > > >> On Thu, Apr 29, 2010 at 9:01 PM, song guo <guosong0...@gmail.com> wrote: > >> > Hi Deva, > >> > Have you got my previous mail? > >> > I am looking forward to your reply. > >> > Thank you very much, > >> > Best Regards, > >> > Dadao > >> > On Tue, Apr 27, 2010 at 5:40 AM, Deva R <r.deva...@gmail.com> wrote: > > >> >> i have a brief idea about how opencore, pvmf work, and pls find my > >> >> inputs > >> >> below. > > >> >> > 3. when pvmf first sends fillthisbuffer command to component,I > >> >> > wonder > >> >> > how pvmf could indicate the component where the file is? > >> >> Component dont need to know the file, but a buffer to operate on.. > >> >> PVMIF parses video/image file, reads header, gets encoded data, and > >> >> sends it to component via PV OMX video/image decode node > > >> >> > 4. If the file needs to be serialized before filling in the input > >> >> > buffer and who serialize it component or pvmf? > >> >> should be PVMF., as said above, components dont need to be aware of > >> >> source files.. > > >> >> > 1. can I directly inherit the omx_component_video class to form my > >> >> > own > >> >> > mjpeg component? > >> >> Not sure, we;ll wait for opencore experts. > > >> >> > 2. how pvmf consumes the output buffer of the component, what kind of > >> >> > decoded data should i put onto the output buffer so that these data > >> >> > will be recognized by pvmf and played (this helps me to design my > >> >> > decoder) > >> >> It should be one of the uncompressed video format and subformat (say > >> >> YUV420 semiplanar), understandable by video MIO to be displayed.. > >> >> u can refer exisiting jpeg component how he fills the o/p buffer, and > >> >> what format. > > >> >> On Mon, Apr 26, 2010 at 8:12 PM, dadaowuwei <guosong0...@gmail.com> > >> >> wrote: > >> >> > Hi, > >> >> > I am quite new for android onpencore framework and have some > >> >> > questions for integrating process of a new openmax mjpeg component > >> >> > 1. can I directly inherit the omx_component_video class to form my > >> >> > own > >> >> > mjpeg component? > >> >> > 2. how pvmf consumes the output buffer of the component, what kind of > >> >> > decoded data should i put onto the output buffer so that these data > >> >> > will be recognized by pvmf and played (this helps me to design my > >> >> > decoder) > >> >> > 3. when pvmf first sends fillthisbuffer command to component,I > >> >> > wonder > >> >> > how pvmf could indicate the component where the file is? > >> >> > 4. If the file needs to be serialized before filling in the input > >> >> > buffer and who serialize it component or pvmf? > >> >> > thank you very much, > >> >> > Best Regards, > >> >> > Dadao > > >> >> > -- > >> >> > unsubscribe: android-porting+unsubscr...@googlegroups.com > >> >> > website:http://groups.google.com/group/android-porting > > -- > unsubscribe: android-porting+unsubscr...@googlegroups.com > website:http://groups.google.com/group/android-porting > > -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
