Hi, This problem is known to us and Marek is planning a fix. However, the problem proved to be quite difficult, so please be patient. Best wishes, -- Kamil Debski Linux Platform Group Samsung Poland R&D Center > -----Original Message----- > From: Lonsn [mailto:lonsn2005@xxxxxxxxx] > Sent: Saturday, March 02, 2013 10:20 AM > To: undisclosed-recipients: > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx; linux-media@xxxxxxxxxxxxxxx; > k.debski@xxxxxxxxxxx; Sylwester Nawrocki > Subject: Re: MFC decode failed in S5PV210 in kernel 3.8 > > 于 2013/3/2 12:00, Lonsn 写道: > > Hi, > > I tested the MFC decode example v4l2_decode from > > http://git.infradead.org/users/kmpark/public-apps and meet some > problems > > as following: > > # ./v4l2_decode -f /dev/video5 -m /dev/video9 -d /dev/fb0 -c mpeg4 -i > > shrek.m4v > > V4L2 Codec decoding example application > > Kamil Debski <k.debski@xxxxxxxxxxx> > > Copyright 2012 Samsung Electronics Co., Ltd. > > > > (fb.c:fb_open:51): Framebuffer properties: xres=1024, yres=768, > bpp=32 > > (fb.c:fb_open:53): Virtual resolution: vxres=1024 vyres=768 > > (fimc.c:fimc_open:56): FIMC Info (/dev/video5): driver="s5pv210-fimc" > > bus_info="" card="s5pv210-fimc" fd=0x5 > > (mfc.c:mfc_open:57): MFC Info (/dev/video9): driver="s5p-mfc" > > bus_info="" card="s5p-mfc" fd=0x6 > > (main.c:main:415): Successfully opened all necessary files and > devices > > (mfc.c:mfc_dec_setup_output:101): Setup MFC decoding OUTPUT buffer > > size=1048576 (requested=1048576) > > (mfc.c:mfc_dec_setup_output:118): Number of MFC OUTPUT buffers is 2 > > (requested 2) > > (mfc.c:mfc_dec_setup_output:148): Succesfully mmapped 2 MFC OUTPUT > buffers > > (main.c:extract_and_process_header:84): Extracted header of size > 13089 > > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with > index 0 > > (mfc.c:mfc_stream:236): Stream ON on OUTPUT queue > > (mfc.c:mfc_dec_setup_capture:277): MFC buffer parameters: 0x0 > plane[0]=0 > > plane[1]=0 > > Error (mfc.c:mfc_dec_setup_capture:283): Failed to get crop > information > > > > And kernel print: > > s5p_mfc_handle_error:420: Interrupt Error: 00000035 > > vidioc_g_crop:782: Cannont set crop > > > > It seems MFC buffer parameters error first. > > The shrek.m4v comes from http://www.uky.edu/~drlane/com351/shrek.m4v > and > > is H264 format. But if I use -c h264, then v4l2_decode will print: > > Error (parser.c:parse_h264_stream:337): Output buffer too small for > > current frame > > Error (main.c:extract_and_process_header:71): Failed to extract > header > > from stream > > > > Any suggestions? > > > > Thanks. > > > Maybe the up issue due to the input file format. Now I use a H264 ES > file as input, failed with different output. > #./v4l2_decode -f /dev/video5 -m /dev/video9 -d /dev/fb0 -c h264 -i > c.h264 > Kernel print: > Unable to handle kernel NULL pointer dereference at virtual address > 00000000 > pgd = afa78000 > [00000000] *pgd=4ea37831, *pte=00000000, *ppte=00000000 > Internal error: Oops: 17 [#1] PREEMPT ARM > Modules linked in: > CPU: 0 Not tainted (3.8.0-dirty #26) > PC is at dma_cache_maint_page+0x58/0xa8 > LR is at 0x80000000 > pc : [<80014f2c>] lr : [<80000000>] psr: a0000013 > sp : ae939ac8 ip : 8050378c fp : aead2240 > r10: 00000000 r9 : 00000001 r8 : 804aceec > r7 : 00000001 r6 : 804b5b70 r5 : 0000fc03 r4 : 00000000 > r3 : 00000001 r2 : 0006c000 r1 : 00000000 r0 : fc03bc00 > Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user > Control: 10c5387d Table: 4fa78019 DAC: 00000015 > Process v4l2_decode (pid: 2433, stack limit = 0xae938230) > Stack: (0xae939ac8 to 0xae93a000) > 9ac0: 00000001 80778000 00000000 80015054 80019398 > 0000006c > 9ae0: ace36e00 00000000 aead2b40 80015d34 00000001 00000000 8050378c > 00000000 > 9b00: ae939b54 00000000 aead2b40 804aceec 00000001 00000001 aead2240 > 804b5b70 > 9b20: 00000000 80245a4c 00000000 000000d0 00000001 802e41c8 0006c000 > aead2280 > 9b40: 72601000 0000006c 805037a8 0000006c af9f8e00 0004306b 00001020 > acc3d400 > 9b60: ae939b98 accb9550 acc3d400 accb9550 00000000 00000000 805116c4 > 802411c8 > 9b80: afb1d900 acc3d400 805116c4 00000000 0006c000 0006c000 72601000 > 76f43000 > 9ba0: 00000003 00000000 afa0ca98 00001080 60000193 803604cc ae939bdc > 800480a8 > 9bc0: 00000000 804ba074 af907000 00036000 00036000 725cb000 0c36d194 > 80036da4 > 9be0: 20000113 20000193 00000401 acd982b8 afb1d900 00000003 af9f6144 > 802b8698 > 9c00: af9f6000 afb1d900 af9f6144 acd982b8 00001080 802bc324 af9f6000 > 80342690 > 9c20: afb1d900 00001088 af9f6000 afb1d900 00001088 00000000 af9f6070 > c802a8c0 > 9c40: 00001088 802b5338 af9f6000 afb1d900 00000000 af9f6038 acf01ee4 > 8030bdcc > 9c60: af9f6000 80360504 af9f6000 8030d39c afb1d900 00000011 804d8988 > 804ab47c > 9c80: acf01ee4 8030e5c0 00004003 00000002 804ab47c af989800 00000002 > afb1d918 > 9ca0: 0000109c 804d8988 acf03310 00000000 1402a8c0 c802a8c0 00000000 > afb1d900 > 9cc0: 80387d54 804aab68 804d8988 804d8988 00000000 00000011 00000001 > 802e41c8 > 9ce0: afb1d900 acf03310 afb1d918 ae939d5c 009c3f49 00000000 009c3ecd > 802e3da8 > 9d00: af989800 00000084 00000029 804ab4ec 804aa66c ae938000 ae939d5c > 00000008 > 9d20: af989800 afb1d900 804ab4ec 802c101c 804bbd74 00000000 804aa680 > 80512540 > 9d40: 804dde40 00400040 01400000 80065fe8 804ba828 af817020 af817020 > 8035e09c > 9d60: af817034 ae938000 22222222 22222222 22222222 accb9550 acc3d400 > accb9550 > 9d80: acc3d400 0000000a afa07600 00000000 8037cf88 8024366c accb9550 > ae939e58 > 9da0: acd2dc88 802437d0 00000001 ae939e58 accb9400 8037cf88 ace36b3c > 00000000 > 9dc0: 000f8335 8023dfc8 00000001 afa07600 ae939e58 8023114c ae939e58 > af817080 > 9de0: c044560f 00000000 804d3194 80233038 94f9da8f 00000001 af85e930 > ace7db00 > 9e00: ae939e58 ace36b3c 804ba828 ffffffff 00000000 800426c0 804acaec > ffffffff > 9e20: acc6c000 c044560f ae939e58 00000078 7129fd08 ae939e8c ae8deb00 > 80232dd4 > 9e40: 7129fd80 80234200 ace7cf00 00000001 00000003 afa07600 00000000 > 0000000a > 9e60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 > 9e80: 00000000 00000000 00000002 ae8deb00 00000002 00000000 00000000 > 80055ba4 > 9ea0: 00000032 76f25000 acd2dc40 af817020 af817020 8035e74c af817034 > 00000001 > 9ec0: 22222222 22222222 22222222 22222222 00000000 af817020 af817020 > afa07600 > 9ee0: af817020 c044560f af817080 7129fd80 ae938000 00000000 712a06a4 > 8022ef70 > 9f00: 7129fd80 afa07600 af5eb098 c044560f 000021b0 800b5c38 ae939f30 > aea4c0c8 > 9f20: 00000000 00000001 801b5a2c 00000000 00000000 00000000 0040004c > 00000001 > 9f40: 00000081 76f256d8 00000001 00000000 ae938000 00000000 00000016 > 8005812c > 9f60: 00000000 00000001 afa07600 7129fd80 c044560f 00000005 ae938000 > 00000000 > 9f80: 712a06a4 800b6214 00000000 00000001 712a0470 00000000 00000000 > 00000036 > 9fa0: 8000ede8 8000ec40 712a0470 00000000 00000005 c044560f 7129fd80 > 7129fd80 > 9fc0: 712a0470 00000000 00000000 00000036 00000000 00000000 00000000 > 712a06a4 > 9fe0: 000165e8 7129fcf4 0000b5d9 76ecfefc 00000010 00000005 00000000 > 00000000 > [<80014f2c>] (dma_cache_maint_page+0x58/0xa8) from [<80015054>] > (arm_dma_map_page+0x80/0x84) > [<80015054>] (arm_dma_map_page+0x80/0x84) from [<80015d34>] > (arm_dma_map_sg+0x68/0x248) > [<80015d34>] (arm_dma_map_sg+0x68/0x248) from [<80245a4c>] > (vb2_dc_get_userptr+0x364/0x670) > [<80245a4c>] (vb2_dc_get_userptr+0x364/0x670) from [<802411c8>] > (__qbuf_userptr+0xac/0x3f0) > [<802411c8>] (__qbuf_userptr+0xac/0x3f0) from [<8024366c>] > (__buf_prepare+0xb4/0xd0) > [<8024366c>] (__buf_prepare+0xb4/0xd0) from [<802437d0>] > (vb2_qbuf+0x148/0x28c) > [<802437d0>] (vb2_qbuf+0x148/0x28c) from [<8023dfc8>] > (v4l2_m2m_qbuf+0x20/0x38) > [<8023dfc8>] (v4l2_m2m_qbuf+0x20/0x38) from [<8023114c>] > (v4l_qbuf+0x3c/0x40) > [<8023114c>] (v4l_qbuf+0x3c/0x40) from [<80233038>] > (__video_do_ioctl+0x264/0x324) > [<80233038>] (__video_do_ioctl+0x264/0x324) from [<80234200>] > (video_usercopy+0x118/0x3cc) > [<80234200>] (video_usercopy+0x118/0x3cc) from [<8022ef70>] > (v4l2_ioctl+0xe8/0x148) > [<8022ef70>] (v4l2_ioctl+0xe8/0x148) from [<800b5c38>] > (do_vfs_ioctl+0x84/0x624) > [<800b5c38>] (do_vfs_ioctl+0x84/0x624) from [<800b6214>] > (sys_ioctl+0x3c/0x60) > [<800b6214>] (sys_ioctl+0x3c/0x60) from [<8000ec40>] > (ret_fast_syscall+0x0/0x30) > Code: 11a0cb85 11a0cbac 1084418c e35e0000 (e594c000) > ---[ end trace 13a7778bb939e49b ]--- > > v4l2_decode app print: > V4L2 Codec decoding example application > Kamil Debski <k.debski@xxxxxxxxxxx> > Copyright 2012 Samsung Electronics Co., Ltd. > > (fb.c:fb_open:51): Framebuffer properties: xres=1024, yres=768, bpp=32 > (fb.c:fb_open:53): Virtual resolution: vxres=1024 vyres=768 > (fimc.c:fimc_open:56): FIMC Info (/dev/video5): driver="s5pv210-fimc" > bus_info="" card="s5pv210-fimc" fd=0x5 > (mfc.c:mfc_open:57): MFC Info (/dev/video9): driver="s5p-mfc" > bus_info="" card="s5p-mfc" fd=0x6 > (main.c:main:415): Successfully opened all necessary files and devices > (mfc.c:mfc_dec_setup_output:101): Setup MFC decoding OUTPUT buffer > size=1048576 (requested=1048576) > (mfc.c:mfc_dec_setup_output:118): Number of MFC OUTPUT buffers is 2 > (requested 2) > (mfc.c:mfc_dec_setup_output:148): Succesfully mmapped 2 MFC OUTPUT > buffers > (main.c:extract_and_process_header:84): Extracted header of size 80 > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 0 > (mfc.c:mfc_stream:236): Stream ON on OUTPUT queue > (mfc.c:mfc_dec_setup_capture:277): MFC buffer parameters: 768x576 > plane[0]=442368 plane[1]=221184 > (mfc.c:mfc_dec_setup_capture:293): Crop parameters w=720 h=576 l=0 t=0 > (mfc.c:mfc_dec_setup_capture:307): Number of MFC CAPTURE buffers is 6 > (requested 6, extra 2) > (mfc.c:mfc_dec_setup_capture:342): Succesfully mmapped 6 MFC CAPTURE > buffers > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 0 on OUTPUT > queue > (fimc.c:fimc_sfmt:114): Successful SFMT on OUTPUT of FIMC (768x576) > (fimc.c:fimc_setup_output_from_mfc:149): Succesfully setup OUTPUT of > FIMC > (fimc.c:fimc_sfmt:114): Successful SFMT on CAPTURE of FIMC (1024x768) > (fimc.c:fimc_setup_capture_from_fb:193): Succesfully setup CAPTURE of > FIMC > (main.c:main:457): I for one welcome our succesfully setup environment. > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on CAPTURE queue with > index 0 > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on CAPTURE queue with > index 1 > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on CAPTURE queue with > index 2 > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on CAPTURE queue with > index 3 > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on CAPTURE queue with > index 4 > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on CAPTURE queue with > index 5 > (mfc.c:mfc_stream:236): Stream ON on CAPTURE queue > (main.c:main:485): Launching threads > (main.c:fimc_thread_func:291): Before fimc.todo > (main.c:parser_thread_func:153): parser.func = 0xa31d > (main.c:parser_thread_func:166): Extracted frame of size 67319 > (main.c:parser_thread_func:168): Before OUTPUT queue > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 0 > (main.c:parser_thread_func:170): After OUTPUT queue > (main.c:parser_thread_func:153): parser.func = 0xa31d > (main.c:parser_thread_func:166): Extracted frame of size 48927 > (main.c:parser_thread_func:168): Before OUTPUT queue > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 1 > (main.c:parser_thread_func:170): After OUTPUT queue > (main.c:parser_thread_func:178): Before OUTPUT dequeue > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 0 on OUTPUT > queue > (main.c:parser_thread_func:180): After OUTPUT dequeue > (main.c:parser_thread_func:153): parser.func = 0xa31d > (main.c:parser_thread_func:166): Extracted frame of size 297 > (main.c:parser_thread_func:168): Before OUTPUT queue > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 0 > (main.c:parser_thread_func:170): After OUTPUT queue > (main.c:parser_thread_func:178): Before OUTPUT dequeue > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 1 on OUTPUT > queue > (main.c:parser_thread_func:180): After OUTPUT dequeue > (main.c:parser_thread_func:153): parser.func = 0xa31d > (main.c:parser_thread_func:166): Extracted frame of size 31646 > (main.c:parser_thread_func:168): Before OUTPUT queue > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 1 > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 0 on > CAPTURE > queue > (main.c:fimc_thread_func:293): After fimc.todo > (main.c:fimc_thread_func:295): Processing by FIMC > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 2 on > CAPTURE > queue > (main.c:parser_thread_func:170): After OUTPUT queue > (main.c:parser_thread_func:178): Before OUTPUT dequeue > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 0 on OUTPUT > queue > (main.c:parser_thread_func:180): After OUTPUT dequeue > (main.c:parser_thread_func:153): parser.func = 0xa31d > (main.c:parser_thread_func:166): Extracted frame of size 45880 > (main.c:parser_thread_func:168): Before OUTPUT queue > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 0 > (main.c:parser_thread_func:170): After OUTPUT queue > (main.c:parser_thread_func:178): Before OUTPUT dequeue > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 1 on OUTPUT > queue > (main.c:parser_thread_func:180): After OUTPUT dequeue > (main.c:parser_thread_func:153): parser.func = 0xa31d > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 3 on > CAPTURE > queue > (main.c:mfc_thread_func:206): Before fimc.done > (main.c:parser_thread_func:166): Extracted frame of size 37290 > (main.c:parser_thread_func:168): Before OUTPUT queue > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 1 > (main.c:parser_thread_func:170): After OUTPUT queue > (main.c:parser_thread_func:178): Before OUTPUT dequeue > (mfc.c:mfc_dec_dequeue_buf:218): Dequeued buffer with index 0 on OUTPUT > queue > (main.c:parser_thread_func:180): After OUTPUT dequeue > (main.c:parser_thread_func:153): parser.func = 0xa31d > (main.c:parser_thread_func:166): Extracted frame of size 33533 > (main.c:parser_thread_func:168): Before OUTPUT queue > (mfc.c:mfc_dec_queue_buf:178): Queued buffer on OUTPUT queue with index > 0 > (main.c:parser_thread_func:170): After OUTPUT queue > (main.c:parser_thread_func:178): Before OUTPUT dequeue -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More 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