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I'm not sure how I missed this but obviously mebooter_umdvideo.prx must be loaded in order to play 720x480 content. Unfortunately, sceMpegBaseCscAvc can only do 512x512 pixels at a time. The VSH player goes around this by doing three 256-pixel CSCs. Tracing all that mess is not easy and in my opinio...

Thanks a lot 0okm0000 ^^ Unfortunately it freezes with that sample as well so I'm back to the drawing board :(

I've traced things down to the VideoCodec driver so only the VideoCodec and the MpegBase modules are required to decode AVC. I've also managed to set up the decoder for 720x480 content but it freezes on everything I throw at it. It would be great if someone could upload the first 2-3MB of a 00001.MP...

Well, the only resolutions supported by the Mpeg lib appear to be 480x272 and 720x480. Decoding 720x480 content is a little different than 480x272. I'll look into it...

jonny wrote:@magiK:
i was trying to get bigger resolutions to work, but seems not possible, can you confirm this?

Yes, unfortunately, the 480x272 resolution is hardcoded in the sceMpeg library.

I have tried to encode by mencoder, but there is no corresponding parameters of --pictiming and --aud in mencoder. Is there any workaround solution? No. Please use the modified x264 encoder from jonny's site. is it possible to decode 4:2:2 AVC format??? then we were away from the chroma problem. Th...

jonny, strangely enough, clips encoded with the modified x264 encoder do not freeze while seeking. I'm guessing some setting in the Elecard encoder is responsible for this. You can grab an updated version of the x264 encoder from here . I've encoded a few clips with it and no freeze so far (fingers ...

i've got also seeks working, but every time i must call: Shutdown(); Initialize(); or sceMpegAvcDecode crash. is this the way to go? (maybe i'm still missing an easyer way :) It worked fine last time I tried it, without shutdown/init, even when jumping to a non-IDR frame (except for the garbled fra...

Try adding a sceKernelDcacheWritebackInvalidateAll() after the fread().
PS: Looks like sceCtrlReadBufferPositive is slowing things down a lot :)

I've spotted the mistake in CopyAu2Me. Replace this: LLI[i-1].iSize = iSize % DMABLOCK; LLI[i-1].Next = NULL; with this: if(iSize % DMABLOCK) { LLI[i].pSrc = pSrc + i * DMABLOCK; LLI[i].pDst = (void*&...

Your disassembler's output is not very friendly :) 704: 24030090 addiu v1,zero,0x90 v1 = 0x90 708: 3c01bd10 lui at,0xbd10 at = 0xbd100000 70c: ac231008 sw v1,4104(at) *((int*)at+0x1008) = v1 ... 714: 3c01bd10 lui at,0xbd...

Thanks Raphael but we're not quite there yet :) jonny, I'm really pulling my hair over this one. I've made it freeze with a 200 frame sample, about 250kb in size, completely loaded into memory. It freezes at frame 59, the second frame of the second GOP. If I set the encoder to output the SPS/PPS hea...

have you already done tests with seeking? atm i've tryed random seeks but crashes. i guess seeks must be done on keyframes to work (afaik keyframes can be already identifyed in the access unit delimeter). Yes, I've just tried seeking and it works. With AVC, you should always seek to an IDR frame. A...

Here's a modified version of the x264 encoder . It adds some kind of buffering_period and pic_timing SEIs to the stream. They're not 100% valid but it seems to work anyway. I use the following settings for testing: x264 --crf 25 -A all --level 3 --pictiming --aud --no-psnr --thread-input --progress ...

xxxstarmanxxx: Take a look at this image (the scaler is resizing to 480x272).
A stream using those settings is decoded by the PSP at around 180 frames per second.

Further investigation showed that the stream must also contain buffering_period and pic_timing SEIs. I think that the Elecard's and MainConcept's AVC encoders are the only ones that output those SEIs into the stream. You can grab the Elecard encoder pack from here and use GraphEdit to create a compa...

the only dependency from the pmf format seems the pAu parameter, maybe it's possible to fill it manually (maybe one of the fields is a pointer to raw frame data (there are too many "maybe" atm ... :)) (i can already mux avc in the pmp container and read raw video frames data ... do you un...

I guess the demo disc was good for something after all :) The archive contains the sceMpeg lib stubs, the PMF Player module and a test app. Binaries for fw 1.5 are included as well. All the info was obtained by disassembly and sniffing with PSPLINK, but some things are still missing, like finding th...

I've decided to release this even though its not 100% stable and may still contain zillions of bugs. In my opinion, the Descent source is a mess and not really PSP-port friendly. Check the psp-readme.txt file for install instructions and details. Also note that ad-hoc play will most likely not work ...

Updated with brightness control and some fixes. Here you go:
http://rapidshare.de/files/17591044/pmp ... 2.zip.html

Here's my version of PMP Mod 2.0 merged with the previous modifications, except brightness control. I hope I got it right. Enjoy!

http://www.savefile.com/files/4005284