[FFmpeg-devel] 答复: [PATCH] fftools/ffmpeg_ffplay_ffprobe_cmdutils: add -mask_url to replace the protocol address in the command with the asterisk (*)
Wujian(Chin)
wujian2 at huawei.com
Wed Dec 28 05:20:26 EET 2022
>ffmpeg -h
>segfaults with this patch
My environment test is OK. Details are as follows:
SZV1000266228:/usr1/wujian/build # ffmpeg -h
ffmpeg version N-109445-gcc46f5b Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 7 (GCC)
configuration: --samples=/usr1/wujian/ffmpeg_master/fate-suite
libavutil 57. 43.100 / 57. 43.100
libavcodec 59. 55.103 / 59. 55.103
libavformat 59. 34.102 / 59. 34.102
libavdevice 59. 8.101 / 59. 8.101
libavfilter 8. 53.100 / 8. 53.100
libswscale 6. 8.112 / 6. 8.112
libswresample 4. 9.100 / 4. 9.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
Getting help:
-h -- print basic options
-h long -- print more options
-h full -- print all options (including all format and codec specific options, very long)
-h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol
See man ffmpeg for detailed description of the options.
Print help / information / capabilities:
-L show license
-h topic show help
-? topic show help
-help topic show help
--help topic show help
-version show version
-buildconf show build configuration
-formats show available formats
-muxers show available muxers
-demuxers show available demuxers
-devices show available devices
-codecs show available codecs
-decoders show available decoders
-encoders show available encoders
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats
-dispositions show available stream dispositions
-colors show available color names
-sources device list sources of the input device
-sinks device list sinks of the output device
-hwaccels show available HW acceleration methods
Global options (affect whole program instead of just one file):
-loglevel loglevel set logging level
-v loglevel set logging level
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-y overwrite output files
-n never overwrite output files
-ignore_unknown Ignore unknown stream types
-filter_threads number of non-complex filter threads
-filter_complex_threads number of threads for -filter_complex
-stats print progress report during encoding
-max_error_rate maximum error rate ratio of decoding errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.
Per-file main options:
-f fmt force format
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-t duration record or transcode "duration" seconds of audio/video
-to time_stop record or transcode stop time
-fs limit_size set the limit file size in bytes
-ss time_off set the start time offset
-sseof time_off set the start time offset relative to EOF
-seek_timestamp enable/disable seeking by timestamp with -ss
-timestamp time set the recording timestamp ('now' to set the current time)
-metadata string=string add metadata
-program title=string:st=number... add program with specified streams
-target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
-apad audio pad
-frames number set the number of frames to output
-filter filter_graph set stream filtergraph
-filter_script filename read stream filtergraph description from a file
-reinit_filter reinit filtergraph on input parameter changes
-discard discard
-disposition disposition
Video options:
-vframes number set the number of video frames to output
-r rate set frame rate (Hz value, fraction or abbreviation)
-fpsmax rate set max frame rate (Hz value, fraction or abbreviation)
-s size set frame size (WxH or abbreviation)
-aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
-display_rotation angle set pure counter-clockwise rotation in degrees for stream(s)
-display_hflip set display horizontal flip for stream(s) (overrides any display rotation if it is not set)
-display_vflip set display vertical flip for stream(s) (overrides any display rotation if it is not set)
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number (1 to 3)
-vf filter_graph set video filters
-ab bitrate audio bitrate (please use -b:a)
-b bitrate video bitrate (please use -b:v)
-dn disable data
Audio options:
-aframes number set the number of audio frames to output
-aq quality set audio quality (codec-specific)
-ar rate set audio sampling rate (in Hz)
-ac channels set number of audio channels
-an disable audio
-acodec codec force audio codec ('copy' to copy stream)
-af filter_graph set audio filters
Subtitle options:
-s size set frame size (WxH or abbreviation)
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-fix_sub_duration fix subtitles duration
-canvas_size size set canvas size (WxH or abbreviation)
-spre preset set the subtitle options to the indicated preset
SZV1000266228:/usr1/wujian/build # uname -a
Linux SZV1000266228 3.0.76-0.11-default #1 SMP Fri Jun 14 08:21:43 UTC 2013 (ccab990) x86_64 x86_64 x86_64 GNU/Linux
SZV1000266228:/usr1/wujian/build # cat /etc/SuSE-release
SUSE Linux Enterprise Server 11 (x86_64)
VERSION = 11
PATCHLEVEL = 3
SZV1000266228:/usr1/wujian/build # ffmpeg -i rtsp://wwww.com -mask_url
ffmpeg version N-109445-gcc46f5b Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 7 (GCC)
configuration: --samples=/usr1/wujian/ffmpeg_master/fate-suite
libavutil 57. 43.100 / 57. 43.100
libavcodec 59. 55.103 / 59. 55.103
libavformat 59. 34.102 / 59. 34.102
libavdevice 59. 8.101 / 59. 8.101
libavfilter 8. 53.100 / 8. 53.100
libswscale 6. 8.112 / 6. 8.112
libswresample 4. 9.100 / 4. 9.100
rtsp://wwww.com: Immediate exit requested
Exiting normally, received signal 2.
SZV1000266228:/usr1/wujian/build #
-----邮件原件-----
发件人: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] 代表 Michael Niedermayer
发送时间: 2022年12月28日 3:49
收件人: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
主题: Re: [FFmpeg-devel] [PATCH] fftools/ffmpeg_ffplay_ffprobe_cmdutils: add -mask_url to replace the protocol address in the command with the asterisk (*)
On Mon, Dec 26, 2022 at 01:07:51PM +0000, Wujian(Chin) wrote:
> The issue has been modified. Please review again, thank you!
>
> Signed-off-by: wujian_nanjing <wujian2 at huawei.com>
> ---
> doc/fftools-common-opts.texi | 11 +++++++
> fftools/cmdutils.c | 77 ++++++++++++++++++++++++++++++++++++++++++--
> fftools/cmdutils.h | 25 ++++++++++++++
> fftools/ffmpeg.c | 10 +++---
> fftools/ffplay.c | 9 ++++--
> fftools/ffprobe.c | 10 +++---
> 6 files changed, 128 insertions(+), 14 deletions(-)
ffmpeg -h
segfaults with this patch
==32366== Invalid read of size 8
==32366== at 0x30836B: split_commandline (in ffmpeg/ffmpeg_g)
==32366== by 0x3039CD: ffmpeg_parse_options (in ffmpeg/ffmpeg_g)
==32366== by 0x2ED201: main (in ffmpeg/ffmpeg_g)
==32366== Address 0x2ced5290 is 0 bytes after a block of size 16 alloc'd
==32366== at 0x4C33E76: memalign (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==32366== by 0x4C33F91: posix_memalign (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==32366== by 0x116B322: av_malloc (in ffmpeg/ffmpeg_g)
==32366== by 0x116B4D8: av_mallocz (in ffmpeg/ffmpeg_g)
==32366== by 0x306469: copy_argv (in ffmpeg/ffmpeg_g)
==32366== by 0x306537: handle_arg_param (in ffmpeg/ffmpeg_g)
==32366== by 0x2ED1F5: main (in ffmpeg/ffmpeg_g)
==32366==
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Opposition brings concord. Out of discord comes the fairest harmony.
-- Heraclitus
[>]
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