Bug#976193: mplayer: crashes when playing from webcam with vdpau
Package: mplayer
Version: 2:1.4+ds1-1
Severity: normal
Dear Maintainer,
mplayer crashes here when I attempt to play the stream from my webcam if
vdpau is used:
$ gdb mplayer
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Reading symbols from mplayer...
Reading symbols from /usr/lib/debug/.build-id/ab/9fc8eb9c81e65f8c816ce68d71964876455e2f.debug...
(gdb) set args tv://
(gdb) cont
The program is not being run.
(gdb) run
Starting program: /usr/bin/mplayer tv://
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
MPlayer 1.4 (Debian), built with gcc-10 (C) 2000-2019 MPlayer Team
do_connect: could not connect to socket
connect: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing tv://.
TV file format detected.
Selected driver: v4l2
name: Video 4 Linux 2 input
author: Martin Olschewski <olschewski@zpr.uni-koeln.de>
comment: first try, more to come ;-)
v4l2: your device driver does not support VIDIOC_G_STD ioctl, VIDIOC_G_PARM was used instead.
Selected device: Integrated Camera: Integrated C
Capabilities: video capture streaming
supported norms:
inputs: 0 = Camera 1;
Current input: 0
Current format: YUYV
tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
v4l2: ioctl enum norm failed: Inappropriate ioctl for device
Error: Cannot set norm!
Selected input hasn't got a tuner!
v4l2: ioctl set mute failed: Invalid argument
[New Thread 0x7fffe5347640 (LWP 3534172)]
[New Thread 0x7fffe4b46640 (LWP 3534173)]
[New Thread 0x7fffdffff640 (LWP 3534174)]
[New Thread 0x7fffdf7fe640 (LWP 3534175)]
libva info: VA-API version 1.8.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_8
libva info: va_openDriver() returns 0
==========================================================================
Opening video decoder: [raw] RAW Uncompressed Video
Movie-Aspect is undefined - no prescaling applied.
VO: [vdpau] 640x480 => 640x480 Packed YUY2
[New Thread 0x7fffdd1fd640 (LWP 3534176)]
Selected video codec: [rawyuy2] vfm: raw (RAW YUY2)
==========================================================================
[New Thread 0x7fffd1ea1640 (LWP 3534178)]
Audio: no sound
Starting playback...
libvdpau-va-gl: VideoSurface::PutBitsYCbCr_glsl(): not implemented source YCbCr format 'VDP_YCBCR_FORMAT_YUYV'
[vdpau] Error when calling vdp_video_surface_put_bits_y_cb_cr: VDP_STATUS_INVALID_Y_CB_CR_FORMAT
Thread 1 "mplayer" received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) bt
#0 0x0000000000000000 in ()
#1 0x00005555556bd4b3 in put_image (pts=<optimised out>, endpts=<optimised out>, mpi=0x555556394500, vf=0x5555562da450) at libmpcodecs/vf_vo.c:183
#2 put_image (vf=0x5555562da450, mpi=0x555556394500, pts=<optimised out>, endpts=<optimised out>) at libmpcodecs/vf_vo.c:168
#3 0x000055555568e0ab in filter_video (sh_video=<optimised out>, frame=0x555556394500, pts=0, endpts=0) at libmpcodecs/dec_video.c:493
#4 0x0000555555607cb4 in update_video (blit_frame=0x7fffffffcf88) at mplayer.c:2525
#5 0x00005555555fbc22 in main (argc=<optimised out>, argv=<optimised out>) at mplayer.c:3821
(gdb)
It works just fine with x11 or xv output:
$ mplayer -vo xv tv://
MPlayer 1.4 (Debian), built with gcc-10 (C) 2000-2019 MPlayer Team
do_connect: could not connect to socket
connect: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing tv://.
TV file format detected.
Selected driver: v4l2
name: Video 4 Linux 2 input
author: Martin Olschewski <olschewski@zpr.uni-koeln.de>
comment: first try, more to come ;-)
v4l2: your device driver does not support VIDIOC_G_STD ioctl, VIDIOC_G_PARM was used instead.
Selected device: Integrated Camera: Integrated C
Capabilities: video capture streaming
supported norms:
inputs: 0 = Camera 1;
Current input: 0
Current format: YUYV
tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
v4l2: ioctl enum norm failed: Inappropriate ioctl for device
Error: Cannot set norm!
Selected input hasn't got a tuner!
v4l2: ioctl set mute failed: Invalid argument
==========================================================================
Opening video decoder: [raw] RAW Uncompressed Video
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 0x55ba23f42900] bicubic scaler, from yuyv422 to yuv420p using MMXEXT
[swscaler @ 0x55ba23f42900] using unscaled yuyv422 -> yuv420p special converter
VO: [xv] 640x480 => 640x480 Planar YV12
Selected video codec: [rawyuy2] vfm: raw (RAW YUY2)
==========================================================================
Audio: no sound
Starting playback...
V: 0.0 67/ 67 ??% ??% ??,?% 0 0
v4l2: ioctl set mute failed: Invalid argument
v4l2: 69 frames successfully processed, 2 frames dropped.
Exiting... (Quit)
$
I’d be happy to provide more debugging output if needed.
--
Cheers,
Andrej
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