[FFmpeg-trac] #249(avfilter:open): Fix the filter remove-logo
FFmpeg
trac at avcodec.org
Tue Sep 13 10:56:57 CEST 2011
#249: Fix the filter remove-logo
-------------------------------------+------------------------------------
Reporter: pbasista | Owner:
Type: defect | Status: open
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: remove-logo | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+------------------------------------
Comment (by cehoyos):
ppm does not crash atm, but result,png looks very bad,
pgm crashes:
{{{
(gdb) r -i test2.ts -an -vf mp=remove-logo:out.pgm out2.avi
Starting program: ffmpeg_g -i test2.ts -an -vf mp=remove-logo:out.pgm
out2.avi
[Thread debugging using libthread_db enabled]
ffmpeg version N-32542-g3867035, Copyright (c) 2000-2011 the FFmpeg
developers
built on Sep 13 2011 10:00:27 with gcc 4.5.3
configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --enable-gpl
libavutil 51. 16. 0 / 51. 16. 0
libavcodec 53. 13. 0 / 53. 13. 0
libavformat 53. 12. 0 / 53. 12. 0
libavdevice 53. 3. 0 / 53. 3. 0
libavfilter 2. 40. 0 / 2. 40. 0
libswscale 2. 1. 0 / 2. 1. 0
libpostproc 51. 2. 0 / 51. 2. 0
[mpegts @ 0x12f4780] parser not found for codec dvb_teletext, packets or
times may be invalid.
[mpeg2video @ 0x12fbcc0] mpeg_decode_postinit() failure
Last message repeated 4 times
[mpegts @ 0x12f4780] PES packet size mismatch
Last message repeated 3 times
[NULL @ 0x131d9c0] start time is not set in estimate_timings_from_pts
[NULL @ 0x1321ac0] start time is not set in estimate_timings_from_pts
[NULL @ 0x1323b40] start time is not set in estimate_timings_from_pts
[NULL @ 0x1325bc0] start time is not set in estimate_timings_from_pts
[NULL @ 0x1327c40] start time is not set in estimate_timings_from_pts
[NULL @ 0x1329cc0] start time is not set in estimate_timings_from_pts
[mpegts @ 0x12f4780] PES packet size mismatch
Last message repeated 3 times
Input #0, mpegts, from 'test2.ts':
Duration: 00:00:05.76, start: 12860.063633, bitrate: 2907 kb/s
Program 10101
Stream #0.0[0x3f2]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
yuv420p, 720x576 [SAR 64:45 DAR 16:9], 4300 kb/s, 25.62 fps, 25 tbr, 90k
tbn, 50 tbc
Stream #0.1[0x3f3](ger): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
stereo, s16, 160 kb/s (clean effects)
Stream #0.2[0x3f4](eng): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
stereo, s16, 160 kb/s (clean effects)
Stream #0.3[0x3f5](ger): Audio: ac3 ([6][0][0][0] / 0x0006), 48000 Hz,
stereo, s16, 448 kb/s (clean effects)
Stream #0.4[0x3f6]: Data: none ([6][0][0][0] / 0x0006)
Stream #0.5[0x3f7](ger): Subtitle: dvb_teletext ([6][0][0][0] /
0x0006)
Stream #0.6[0x1b63]: Data: none ([11][0][0][0] / 0x000B)
Stream #0.7[0x1b64]: Data: none ([11][0][0][0] / 0x000B)
Stream #0.8[0x1b6d]: Data: none ([12][0][0][0] / 0x000C)
Stream #0.9[0x1b77]: Data: none ([11][0][0][0] / 0x000B)
Stream #0.10[0x1bbd]: Data: none ([5][0][0][0] / 0x0005)
Program 10102
Program 10120
Program 10122
[buffer @ 0x12fb860] w:720 h:576 pixfmt:yuv420p tb:1/1000000 sar:64/45
sws_param:
[mp @ 0x12fb980] This is a unholy filter, it will be purified by the
ffmpeg exorcist team
which will change its syntax from dark -vf mp to light -vf.
Thou shalst not make spells or scripts that depend on it
Output #0, avi, to 'out2.avi':
Metadata:
ISFT : Lavf53.12.0
Stream #0.0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x576 [SAR
64:45 DAR 16:9], q=2-31, 200 kb/s, 25 tbn, 25 tbc
Stream mapping:
Stream #0.0 -> #0.0 (mpeg2video -> mpeg4)
Press [q] to stop, [?] for help
[mpeg2video @ 0x12fbcc0] warning: first frame is no keyframe
Program received signal SIGSEGV, Segmentation fault.
convert_yv12 (plane=<value optimized out>, y=143, x=<value optimized out>,
image=0x33d0090,
value_out=<value optimized out>, vf=<value optimized out>,
logo_mask=<value optimized out>)
at libavfilter/libmpcodecs/vf_remove_logo.c:744
744 get_blur(vf, &output, filter, source_image, x, y, plane);
(gdb) bt
#0 0x0000000000456698 in convert_yv12 (plane=<value optimized out>,
y=143, x=<value optimized out>,
image=0x33d0090, value_out=<value optimized out>, vf=<value optimized
out>,
logo_mask=<value optimized out>)
#1 0x0000000000456956 in put_image (vf=0x131a140, mpi=0x33d0090,
pts=849433000000)
at libavfilter/libmpcodecs/vf_remove_logo.c:789
#2 0x000000000042712f in end_frame (inlink=0x33143e0) at
libavfilter/vf_mp.c:872
#3 0x000000000041bb9f in avfilter_end_frame (link=0x33143e0) at
libavfilter/avfilter.c:584
#4 0x000000000042f908 in request_frame (link=0x33143e0) at
libavfilter/vsrc_buffer.c:192
#5 0x000000000041b13e in avfilter_request_frame (link=<value optimized
out>)
at libavfilter/avfilter.c:514
#6 0x0000000000426ee0 in request_frame (outlink=0x33145a0) at
libavfilter/vf_mp.c:832
#7 0x000000000041b13e in avfilter_request_frame (link=<value optimized
out>)
at libavfilter/avfilter.c:514
#8 0x000000000041f5d4 in av_buffersink_get_buffer_ref (ctx=<value
optimized out>, bufref=0x12f9d60,
flags=0) at libavfilter/sink_buffer.c:128
#9 0x0000000000408dfc in output_packet (ist=<value optimized out>,
ist_index=0, ost_table=0x12f9b20,
nb_ostreams=1, pkt=<value optimized out>) at ffmpeg.c:1825
#10 0x000000000040dbad in transcode (output_files=0x12f80e0,
nb_output_files=<value optimized out>,
input_files=0x12fa7b0, nb_input_files=1) at ffmpeg.c:2591
#11 0x0000000000410ad1 in main (argc=<value optimized out>, argv=<value
optimized out>) at ffmpeg.c:4373
(gdb) disass $pc-32 $pc+32
Dump of assembler code from 0x456678 to 0x4566b8:
0x0000000000456678 <get_blur+449>: mov %rax,%rbp
0x000000000045667b <get_blur+452>: nopl 0x0(%rax,%rax,1)
0x0000000000456680 <get_blur+457>: cmp 0x14(%rsp),%r15d
0x0000000000456685 <get_blur+462>: jg 0x4566cc <get_blur+533>
0x0000000000456687 <get_blur+464>: lea (%r9,%rbp,1),%rsi
0x000000000045668b <convert_yv12+651>: mov %r12,%rcx
0x000000000045668e <convert_yv12+654>: mov %r9,%rax
0x0000000000456691 <convert_yv12+657>: xor %edx,%edx
0x0000000000456693 <convert_yv12+659>: nopl 0x0(%rax,%rax,1)
0x0000000000456698 <get_blur+481>: cmpb $0x0,(%rax)
0x000000000045669b <get_blur+484>: jne 0x4566b5 <get_blur+510>
0x000000000045669d <get_blur+486>: mov (%r11),%rdi
0x00000000004566a0 <get_blur+489>: mov (%rdi,%rdx,1),%rdi
0x00000000004566a4 <get_blur+493>: mov (%rdi,%r8,1),%edi
0x00000000004566a8 <get_blur+497>: test %edi,%edi
0x00000000004566aa <get_blur+499>: je 0x4566b5 <get_blur+510>
0x00000000004566ac <get_blur+501>: movzbl (%rcx),%edi
0x00000000004566af <get_blur+504>: add $0x1,%ebx
0x00000000004566b2 <get_blur+507>: add %edi,%r10d
0x00000000004566b5 <get_blur+510>: add $0x1,%rax
End of assembler dump.
(gdb) info register
rax 0x10139be08 4315528712
rbx 0x0 0
rcx 0x7ffff54165b0 140737308091824
rdx 0x0 0
rsi 0x10139bf71 4315529073
rdi 0x7 7
rbp 0x169 0x169
rsp 0x7fffffffb240 0x7fffffffb240
r8 0x4 4
r9 0x10139be08 4315528712
r10 0x0 0
r11 0x131b040 20033600
r12 0x7ffff54165b0 140737308091824
r13 0x1 1
r14 0x169 361
r15 0x0 0
rip 0x456698 0x456698 <get_blur+481>
eflags 0x10246 [ PF ZF IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
fctrl 0x37f 895
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop 0x0 0
mxcsr 0x1fa0 [ PE IM DM ZM OM UM PM ]
}}}
--
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/249#comment:7>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list