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I ran a mjpeg streaming video with logo enabled. But the blending module does not support the video format.
Is there a workaround or blending module update available?
I am using vlc-1.1.2

main debug: processing request item http://192.168.1.89:80/axis-cgi/mjpg/video.cgi node Playlist skip 0
main debug: resyncing on http://192.168.1.89:80/axis-cgi/mjpg/video.cgi
main debug: http://192.168.1.89:80/axis-cgi/mjpg/video.cgi is at 0
main debug: starting new item
main debug: creating new input thread
main debug: Creating an input for 'http://192.168.1.89:80/axis-cgi/mjpg/video.cgi'
main debug: thread started
main debug: using timeshift granularity of 50 MiB
main debug: using timeshift path 'C:\Users\Abhijit\AppData\Local\Temp'
main debug: thread (input) created at priority 1 (../.././src/input/input.c:214)
main debug: `http://192.168.1.89:80/axis-cgi/mjpg/video.cgi' gives access `http' demux `' path `192.168.1.89:80/axis-cgi/mjpg/video.cgi'
main debug: creating demux: access='http' demux='' path='192.168.1.89:80/axis-cgi/mjpg/video.cgi'
main debug: looking for access_demux module: 0 candidates
main debug: no access_demux module matched "http"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: creating access 'http' path='192.168.1.89:80/axis-cgi/mjpg/video.cgi'
main debug: looking for access module: 2 candidates
access_http debug: http: server='192.168.1.89' port=80 file='/axis-cgi/mjpg/video.cgi'
main debug: net: connecting to 192.168.1.89 port 80
qt4 debug: IM: Setting an input
main debug: connection succeeded (socket = 1592)
access_http debug: protocol 'HTTP' answer code 200
access_http debug: Pragma: no-cache
access_http debug: Connection: close
access_http debug: Content-Type: multipart/x-mixed-replace; boundary=--myboundary
main debug: using access module "access_http"
main debug: TIMER module_need() : 310.000 ms - Total 310.000 ms / 1 intvls (Avg 310.000 ms)
main debug: Using AStream*Stream
main debug: pre buffering
main debug: received first data after 0 ms
main debug: pre-buffering done 1024 bytes in 0s - 1000000 KiB/s
main debug: looking for stream_filter module: 2 candidates
main debug: no stream_filter module matching "any" could be loaded
main debug: TIMER module_need() : 2.000 ms - Total 2.000 ms / 1 intvls (Avg 2.000 ms)
main debug: looking for stream_filter module: 1 candidate
main debug: using stream_filter module "stream_filter_record"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: creating demux: access='http' demux='' path='192.168.1.89:80/axis-cgi/mjpg/video.cgi'
main debug: looking for demux module: 50 candidates
mjpeg debug: Multipart MIME detected, using separator: myboundary
mjpeg debug: discard MIME header: Content-Length: 40500
main debug: selecting program id=0
main debug: using demux module "mjpeg"
main debug: TIMER module_need() : 75.000 ms - Total 75.000 ms / 1 intvls (Avg 75.000 ms)
main debug: looking for decoder module: 34 candidates
avcodec debug: libavcodec already initialized
avcodec debug: trying to use direct rendering
avcodec debug: ffmpeg codec (Motion JPEG Video) started
main debug: using decoder module "avcodec"
main debug: TIMER module_need() : 3.000 ms - Total 3.000 ms / 1 intvls (Avg 3.000 ms)
main debug: thread started
main debug: thread (decoder) created at priority 0 (../.././src/input/decoder.c:301)
main debug: looking for meta reader module: 2 candidates
lua debug: Trying Lua scripts in C:\Users\Abhijit\AppData\Roaming\vlc\lua\meta\reader
lua debug: Trying Lua scripts in C:\Work\Ubiquiti\VideoClient\vlc-1.1.2-bin\lua\meta\reader
lua debug: Trying Lua playlist script C:\Work\Ubiquiti\VideoClient\vlc-1.1.2-bin\lua\meta\reader\filename.lua
main debug: no meta reader module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: `http://192.168.1.89:80/axis-cgi/mjpg/video.cgi' successfully opened
mjpeg debug: MIME boundary not found in 15360 bytes of data
mjpeg debug: MIME boundary not found in 20480 bytes of data
mjpeg debug: MIME boundary not found in 25600 bytes of data
mjpeg debug: MIME boundary not found in 30720 bytes of data
mjpeg debug: MIME boundary not found in 35840 bytes of data
main debug: Buffering 0%
main debug: no usable vout present, spawning one
main debug: looking for text renderer module: 2 candidates
freetype debug: Building font databases.
freetype debug: Took 7000 microseconds
freetype debug: Using Arial as font from file C:/Windows/fonts/arial.ttf
freetype debug: using fontsize: 2
main debug: using text renderer module "freetype"
main debug: TIMER module_need() : 10.000 ms - Total 10.000 ms / 1 intvls (Avg 10.000 ms)
main debug: looking for video filter2 module: 18 candidates
swscale debug: 32x32 chroma: YUVA -> 16x16 chroma: YUVA with scaling using Bicubic (good quality)
main debug: using video filter2 module "swscale"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: looking for video filter2 module: 18 candidates
yuvp debug: YUVP to YUVA converter
main debug: using video filter2 module "yuvp"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: window size: 640x480
main debug: Deinterlacing available
main debug: deinterlace 0, mode blend, is_needed 0
main debug: looking for video filter module: 1 candidate
video_filter_wrapper error: Opening video filter wrapper for logo
main debug: looking for video filter2 module: 1 candidate
logo debug: logo file name C:\Work\Ubiquiti\VideoClient\video-client\images\video-controls\complete.png, delay -1, alpha -1
main debug: creating access '' path='C:\Work\Ubiquiti\VideoClient\video-client\images\video-controls\complete.png'
main debug: looking for access module: 5 candidates
vcd debug: trying .cue file: C:\Work\Ubiquiti\VideoClient\video-client\images\video-controls\complete.cue
vcd debug: could not find .cue file
filesystem debug: opening file `C:\Work\Ubiquiti\VideoClient\video-client\images\video-controls\complete.png'
main debug: using access module "filesystem"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: Using AStream*Stream
main debug: pre buffering
main debug: received first data after 0 ms
main debug: pre-buffering done 1024 bytes in 0s - 1000000 KiB/s
main debug: removing module "filesystem"
main debug: looking for decoder module: 34 candidates
main debug: using decoder module "png"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: looking for video filter2 module: 18 candidates
swscale debug: 117x18 chroma: RGBA -> 117x18 chroma: YUVA with scaling using Bicubic (good quality)
main debug: using video filter2 module "swscale"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: removing module "png"
main debug: removing module "swscale"
main debug: using video filter2 module "logo"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: Filter 'logo' (04b68360) appended to chain
main debug: using video filter module "video_filter_wrapper"
main debug: TIMER module_need() : 3.000 ms - Total 3.000 ms / 1 intvls (Avg 3.000 ms)
video_filter_wrapper debug: spawning the real video output(s)
main debug: looking for text renderer module: 2 candidates
freetype debug: Building font databases.
mjpeg debug: discard MIME header: Content-Length: 40394
main debug: Buffering 5%
mjpeg debug: discard MIME header: Content-Length: 40546
main debug: Buffering 7%
mjpeg debug: discard MIME header: Content-Length: 40466
main debug: Buffering 11%
mjpeg debug: discard MIME header: Content-Length: 40386
main debug: Buffering 15%
mjpeg debug: discard MIME header: Content-Length: 40458
main debug: Buffering 20%
freetype debug: Took 292000 microseconds
freetype debug: Using Arial as font from file C:/Windows/fonts/arial.ttf
freetype debug: using fontsize: 2
main debug: using text renderer module "freetype"
main debug: TIMER module_need() : 295.000 ms - Total 295.000 ms / 1 intvls (Avg 295.000 ms)
main debug: looking for video filter2 module: 18 candidates
swscale debug: 32x32 chroma: YUVA -> 16x16 chroma: YUVA with scaling using Bicubic (good quality)
main debug: using video filter2 module "swscale"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: looking for video filter2 module: 18 candidates
yuvp debug: YUVP to YUVA converter
main debug: using video filter2 module "yuvp"
main debug: TIMER module_need() : 2.000 ms - Total 2.000 ms / 1 intvls (Avg 2.000 ms)
main debug: window size: 640x480
main debug: looking for video output module: 1 candidate
vout_wrapper debug: Opening vout display wrapper
main debug: looking for vout display module: 8 candidates
mjpeg debug: discard MIME header: Content-Length: 40401
main debug: Buffering 26%
direct3d debug: creating Vout EventThread
direct3d debug: DirectXCreateWindow
main debug: looking for vout window hwnd module: 3 candidates
qt4 debug: requesting video...
qt4 debug: Video was requested 0, 0
qt4 debug: embedded video ready (handle 00620b1a)
mjpeg debug: discard MIME header: Content-Length: 40386
main debug: Buffering 42%
main debug: using vout window hwnd module "qt4"
main debug: TIMER module_need() : 175.000 ms - Total 175.000 ms / 1 intvls (Avg 175.000 ms)
direct3d debug: created video sub-window
direct3d debug: Vout EventThread running
direct3d debug: disabling screen saver
main debug: VoutDisplayEvent 'resize' 656x518 window
direct3d debug: DirectXUpdateRects image_dst_clipped coords: 0,0,656,492
direct3d debug: DirectXUpdateRects image_src_clipped coords: 0,0,640,480
direct3d warning: trying surface pixel format: YUY2
direct3d debug: selected surface pixel format is YUY2
direct3d debug: Direct3D scene created successfully
direct3d debug: Direct3D device adapter successfully initialized
main debug: using vout display module "direct3d"
main debug: TIMER module_need() : 228.000 ms - Total 228.000 ms / 1 intvls (Avg 228.000 ms)
main debug: A filter to adapt decoder to display is needed
main debug: looking for video filter2 module: 18 candidates
swscale debug: 640x480 chroma: J422 -> 640x480 chroma: YUY2 with scaling using Bicubic (good quality)
main debug: using video filter2 module "swscale"
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
main debug: Filter 'Swscale' (04b686a8) appended to chain
main debug: using video output module "vout_wrapper"
main debug: TIMER module_need() : 228.000 ms - Total 228.000 ms / 1 intvls (Avg 228.000 ms)
main debug: got 1 direct buffer(s)
main debug: pic render sz 640x480, of (0,0), vsz 640x480, 4cc J422, sar 1:1, msk r0x0 g0x0 b0x0
main debug: pic in sz 640x480, of (0,0), vsz 640x480, 4cc J422, sar 1:1, msk r0x0 g0x0 b0x0
main debug: pic out sz 640x480, of (0,0), vsz 640x480, 4cc J422, sar 1:1, msk r0x0 g0x0 b0x0
main debug: direct render, mapping render pictures 0-23 to system pictures 1-24
main debug: VoutDisplayEvent 'resize' 640x480 window
direct3d debug: DirectXUpdateRects image_dst_clipped coords: 0,0,640,480
direct3d debug: DirectXUpdateRects image_src_clipped coords: 0,0,640,480
main debug: got 25 direct buffer(s)
main debug: pic render sz 640x480, of (0,0), vsz 640x480, 4cc J422, sar 1:1, msk r0x0 g0x0 b0x0
main debug: pic in sz 640x480, of (0,0), vsz 640x480, 4cc J422, sar 1:1, msk r0x0 g0x0 b0x0
main debug: pic out sz 640x480, of (0,0), vsz 640x480, 4cc J422, sar 1:1, msk r0x0 g0x0 b0x0
main debug: direct render, mapping render pictures 0-23 to system pictures 1-24
avcodec debug: using direct rendering
main debug: End of video preroll
main debug: Received first picture
main debug: Post-processing available
main warning: vlc_object_find_name(postproc) is not safe!
mjpeg debug: discard MIME header: Content-Length: 40375
main debug: Buffering 48%
mjpeg debug: discard MIME header: Content-Length: 40419
main debug: Buffering 55%
mjpeg debug: discard MIME header: Content-Length: 40504
main debug: Buffering 60%
mjpeg debug: discard MIME header: Content-Length: 40515
main debug: Buffering 65%
mjpeg debug: discard MIME header: Content-Length: 40523
main debug: Buffering 72%
mjpeg debug: discard MIME header: Content-Length: 40524
main debug: Buffering 77%
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
mjpeg debug: discard MIME header: Content-Length: 40432
main debug: Buffering 85%
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
mjpeg debug: discard MIME header: Content-Length: 40481
main debug: Buffering 90%
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
mjpeg debug: discard MIME header: Content-Length: 40367
main debug: Buffering 98%
mjpeg debug: discard MIME header: Content-Length: 40445
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
main debug: Stream buffering done (1232 ms in 1232 ms)
main debug: Decoder buffering done in 0 ms
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)
logo error: failed to blend a picture
mjpeg debug: discard MIME header: Content-Length: 40522
main debug: looking for video blending module: 1 candidate
main debug: no video blending module matching "any" could be loaded
main debug: TIMER module_need() : 0.000 ms - Total 0.000 ms / 1 intvls (Avg 0.000 ms)

I guess that the blend module doesn't work with J422
You need to fix VLC or pay someone to do it.

Are there any plans to add blending support?
If not then can you refer me to someone who knows about it?
Thank a lot.

VLC developers should be able to do so.
Contract to one.