#2410: ffmpeg down with video4linux2. ------------------------------------+------------------------------------ Reporter: dinhka | Owner: Type: defect | Status: open Priority: normal | Component: avdevice Version: git-master | Resolution: Keywords: v4l2 | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------
Comment (by dinhka): Replying to [comment:18 cehoyos]: Hi, I have a test case then ffmpeg work with stk1160 driver. 1. reboot my pc the stk1160 driver inits ok: usb 2-2: New device Syntek Semiconductor USB 2.0 Video Capture Controller @ 480 Mbps (05e1:0408, interface 0, class 0) usb 2-2: video interface 0 found stk1160: driver ver 0.9.4 successfully loaded stk1160: registers to NTSC like standard AC'97 0 access is not valid [0x0], removing mixer. stk1160 2-2:1.0: V4L2 device registered as video0 usbcore: registered new interface driver stk1160 usbcore: registered new interface driver snd-usb-audio 2. run command ffmpeg -f video4linux2 -pix_fmt yuv420p -i /dev/video0 -f alsa -ar 22050 -ac 2 -acodec pcm_s16le -i hw:1 -vcodec mpeg4 -vtag DX50 -b 1200k -r 25 -acodec libmp3lame -ar 44100 -ac 2 -ab 128k -y test.avi bug as: [video4linux2,v4l2 @ 0x964f400] The V4L2 driver changed the video from 720x576 to 720x480 [video4linux2,v4l2 @ 0x964f400] ioctl(VIDIOC_G_PARM): Inappropriate ioctl for device /dev/video0: Inappropriate ioctl for device 3. I run next commandline mencoder tv:// -tv driver=v4l2:width=720:height=576:norm=PAL:outfmt=uyvy:device=/dev/video0:input=0:fps=25 -o test.mp4 MEncoder SVN-r31628-4.4.6 (C) 2000-2010 MPlayer Team WARNING: OUTPUT FILE FORMAT IS _AVI_. See -of help. success: format: 9 data: 0x0 - 0x0 TV file format detected. Selected driver: v4l2 name: Video 4 Linux 2 input author: Martin Olschewski <olschew...@zpr.uni-koeln.de> comment: first try, more to come ;-) Selected device: stk1160 Capabilites: video capture read/write streaming supported norms: 0 = NTSC; 1 = NTSC-M; 2 = NTSC-M-JP; 3 = NTSC-M-KR; 4 = NTSC-443; 5 = PAL; 6 = PAL-BG; 7 = PAL-H; 8 = PAL-I; 9 = PAL-DK; 10 = PAL-M; 11 = PAL-N; 12 = PAL-Nc; 13 = PAL-60; 14 = SECAM; 15 = SECAM-B; 16 = SECAM-G; 17 = SECAM-H; 18 = SECAM-DK; 19 = SECAM-L; 20 = SECAM-Lc; inputs: 0 = Composite0; 1 = Composite1; 2 = Composite2; 3 = Composite3; Current input: 0 Current format: UYVY Selected input hasn't got a tuner! Unable to open '/dev/dsp': No such file or directory v4l2: ioctl set mute failed: Invalid argument v4l2: 0 frames successfully processed, 0 frames dropped. ============ Sorry, this file format is not recognized/supported ============= === If this file is an AVI, ASF or MPEG stream, please contact the author! === Cannot open demuxer. Exiting... 4. then I run again the commandline in step 2, ffmpeg work with stk1160 driver. ffmpeg -loglevel 99 -f video4linux2 -i /dev/video0 -vcodec mpeg4 -b 1200k -y test.avi ffmpeg version N-51426-gdd17843 Copyright (c) 2000-2013 the FFmpeg developers built on Mar 29 2013 00:22:28 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-3) configuration: --enable-version3 --enable-libopencore-amrnb --enable- libopencore-amrwb --enable-avfilter --enable-nonfree --enable-libmp3lame --enable-gpl --enable-libfaac --enable-libx264 --enable-pthreads --disable-stripping --enable-libass --extra-cflags=-I/usr/local/include --disable-debug libavutil 52. 22.101 / 52. 22.101 libavcodec 55. 2.100 / 55. 2.100 libavformat 55. 0.100 / 55. 0.100 libavdevice 55. 0.100 / 55. 0.100 libavfilter 3. 48.105 / 3. 48.105 libswscale 2. 2.100 / 2. 2.100 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 Splitting the commandline. Reading option '-loglevel' ... matched as option 'loglevel' (set libav* logging level) with argument '99'. Reading option '-f' ... matched as option 'f' (force format) with argument 'video4linux2'. Reading option '-i' ... matched as input file with argument '/dev/video0'. Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'mpeg4'. Reading option '-b' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '1200k'. Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'. Reading option 'test.avi' ... matched as output file. Finished splitting the commandline. Parsing a group of options: global . Applying option loglevel (set libav* logging level) with argument 99. Applying option y (overwrite output files) with argument 1. Successfully parsed a group of options. Parsing a group of options: input file /dev/video0. Applying option f (force format) with argument video4linux2. Successfully parsed a group of options. Opening an input file: /dev/video0. [video4linux2,v4l2 @ 0x9df4440] fd:3 capabilities:5000001 [video4linux2,v4l2 @ 0x9df4440] Current input_channel: 0, input_name: Composite0 [video4linux2,v4l2 @ 0x9df4440] Querying the device for the current frame size [video4linux2,v4l2 @ 0x9df4440] Setting frame size to 720x576 [video4linux2,v4l2 @ 0x9df4440] Trying to set codec:rawvideo pix_fmt:yuv420p Last message repeated 1 times [video4linux2,v4l2 @ 0x9df4440] Trying to set codec:rawvideo pix_fmt:yuv422p [video4linux2,v4l2 @ 0x9df4440] Trying to set codec:rawvideo pix_fmt:yuyv422 [video4linux2,v4l2 @ 0x9df4440] Trying to set codec:rawvideo pix_fmt:uyvy422 [video4linux2,v4l2 @ 0x9df4440] The V4L2 driver is using the interlaced mode [video4linux2,v4l2 @ 0x9df4440] Current standard: PAL, id: 255, frameperiod: 1/25 [video4linux2,v4l2 @ 0x9df4440] All info found [video4linux2,v4l2 @ 0x9df4440] Estimating duration from bitrate, this may be inaccurate Input #0, video4linux2,v4l2, from '/dev/video0': Duration: N/A, start: 1364559870.645412, bitrate: 165888 kb/s Stream #0:0, 1, 1/1000000: Video: rawvideo (UYVY / 0x59565955), uyvy422, 720x576, 1/1000000, 165888 kb/s, 25 fps, 25 tbr, 1000k tbn, 1000k tbc Successfully opened the file. Parsing a group of options: output file test.avi. Applying option vcodec (force video codec ('copy' to copy stream)) with argument mpeg4. Applying option b (video bitrate (please use -b:v)) with argument 1200k. Please use -b:a or -b:v, -b is ambiguous Successfully parsed a group of options. Opening an output file: test.avi. Successfully opened the file. [buffer @ 0x9de3380] Setting entry with key 'video_size' to value '720x576' [buffer @ 0x9de3380] Setting entry with key 'pix_fmt' to value '17' [buffer @ 0x9de3380] Setting entry with key 'time_base' to value '1/1000000' [buffer @ 0x9de3380] Setting entry with key 'pixel_aspect' to value '0/1' [buffer @ 0x9de3380] Setting entry with key 'sws_param' to value 'flags=2' [buffer @ 0x9de3380] Setting entry with key 'frame_rate' to value '25/1' [graph 0 input from stream 0:0 @ 0x9df5840] w:720 h:576 pixfmt:uyvy422 tb:1/1000000 fr:25/1 sar:0/1 sws_param:flags=2 [scale @ 0x9de3a20] Setting 'w' to value '0' [scale @ 0x9de3a20] Setting 'h' to value '0' [scale @ 0x9de3a20] Setting 'flags' to value '0x4' [auto-inserted scaler 0 @ 0x9de3960] w:0 h:0 flags:'0x4' interl:0 [format @ 0x9de34c0] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed_null_0' and the filter 'format' [AVFilterGraph @ 0x9dee6e0] query_formats: 4 queried, 3 merged, 1 already done, 0 delayed [auto-inserted scaler 0 @ 0x9de3960] w:720 h:576 fmt:uyvy422 sar:0/1 -> w:720 h:576 fmt:yuv420p sar:0/1 flags:0x4 [mpeg4 @ 0x9df6160] detected 2 logical cores [mpeg4 @ 0x9df6160] intra_quant_bias = 0 inter_quant_bias = -64 Output #0, avi, to 'test.avi': Metadata: ISFT : Lavf55.0.100 Stream #0:0, 0, 1/25: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x576, 1/25, q=2-31, 1200 kb/s, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (rawvideo -> mpeg4) Press [q] to stop, [?] for help frame= 13 fps=0.0 q=2.0 size= 212kB time=00:00:00.52 bitrate=3332.2kbits/sframe= 26 fps= 26 q=4.5 size= 322kB time=00:00:01.04 bitrate=2535.7kbits/sframe= 39 fps= 26 q=5.7 size= 416kB time=00:00:01.56 bitrate=2182.1kbits/sframe= 51 fps= 25 q=4.7 size= 502kB time=00:00:02.04 bitrate=2015.2kbits/sframe= 57 fps= 25 q=4.3 Lsize= 523kB time=00:00:02.28 bitrate=1879.2kbits/s So I think ffmpeg or stk1160 driver has init wrong. After I set driver=v4l2:width=720:height=576:norm=PAL:outfmt=uyvy then it worked. Best regards. -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2410#comment:19> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker _______________________________________________ FFmpeg-trac mailing list FFmpeg-trac@avcodec.org http://avcodec.org/mailman/listinfo/ffmpeg-trac