[FFmpeg-devel] TCP timeout for HTTP/HTTPS connections.
Steven Liu
lq at chinaffmpeg.org
Mon Nov 18 12:21:31 EET 2019
> 在 2019年11月18日，18:16，Steven Liu <lq at chinaffmpeg.org> 写道：
>
>
>
>> 在 2019年11月18日，17:58，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>
> hls can hold to option after the patch:
>
> rw_timeout
> -rw_timeout <int64> ED........ Timeout for IO operations (in microseconds) (from 0 to I64_MAX) (default 0)
> This can be used when you downloading segment or m3u8 file, the http response too long time.
>
liuqideMBP:dash liuqi$ ./ffmpeg -http_multiple 0 -http_persistent 0 -y -rw_timeout 500000 -i "http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on" -c copy a.ts
ffmpeg version N-95731-ge94edd85c6 Copyright (c) 2000-2019 the FFmpeg developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
configuration: --enable-fontconfig --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libspeex --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-version3 --enable-nonfree --enable-videotoolbox --enable-libxml2 --samples=fate-suite/ --enable-libopencv
libavutil 56. 35.101 / 56. 35.101
libavcodec 58. 62.100 / 58. 62.100
libavformat 58. 35.100 / 58. 35.100
libavdevice 58. 9.100 / 58. 9.100
libavfilter 7. 66.100 / 7. 66.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100
[hls @ 0x7fd4fe801800] Skip ('#EXT-X-ALLOW-CACHE:YES')
[hls @ 0x7fd4fe801800] Skip ('#EXT-X-VERSION:3')
[hls @ 0x7fd4fe801800] Opening 'http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/segment157407238_32_a-p.ts?sd=10&rebase=on' for reading
Input #0, hls, from 'http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on':
Duration: N/A, start: 14578.026844, bitrate: N/A
Program 0
Metadata:
variant_bitrate : 0
Stream #0:0: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 32000 Hz, stereo, fltp
Metadata:
variant_bitrate : 0
Stream #0:1: Data: timed_id3 (ID3 / 0x20334449)
Metadata:
variant_bitrate : 0
[mpegts @ 0x7fd4ff009c00] frame size not set
Output #0, mpegts, to 'a.ts':
Metadata:
encoder : Lavf58.35.100
Stream #0:0: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 32000 Hz, stereo, fltp
Metadata:
variant_bitrate : 0
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[hls @ 0x7fd4fe801800] Opening 'http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/segment157407239_32_a-p.ts?sd=10&rebase=on' for reading
[hls @ 0x7fd4fe801800] Opening 'http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/segment157407240_32_a-p.ts?sd=10&rebase=on' for reading
[hls @ 0x7fd4fe801800] Failed to reload playlist 0ts/s speed=11.6x
[hls @ 0x7fd4fe801800] Skip ('#EXT-X-ALLOW-CACHE:YES')
[hls @ 0x7fd4fe801800] Skip ('#EXT-X-VERSION:3')
[hls @ 0x7fd4fe801800] Opening 'http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/segment157407241_32_a-p.ts?sd=10&rebase=on' for reading
http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on: Operation timed out
size= 164kB time=00:00:29.88 bitrate= 45.1kbits/s speed=2.63x
video:0kB audio:117kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 40.635853%
liuqideMBP:dash liuqi$
> -m3u8_hold_counters <int> .D........ Maximum number of times requests when the m3u8 file not be refresh (from 0 to INT_MAX) (default 1000)
> this can be used when you can success download m3u8 but the m3u8 always refresh without new segments.
liuqideMBP:dash liuqi$ ./ffmpeg -m3u8_hold_counters 5 -i http://127.0.0.1/output.m3u8 -c copy a.m3u8
ffmpeg version N-95731-ge94edd85c6 Copyright (c) 2000-2019 the FFmpeg developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
configuration: --enable-fontconfig --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libspeex --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-version3 --enable-nonfree --enable-videotoolbox --enable-libxml2 --samples=fate-suite/ --enable-libopencv
libavutil 56. 35.101 / 56. 35.101
libavcodec 58. 62.100 / 58. 62.100
libavformat 58. 35.100 / 58. 35.100
libavdevice 58. 9.100 / 58. 9.100
libavfilter 7. 66.100 / 7. 66.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100
[hls @ 0x7ff6ac001000] Skip ('#EXT-X-VERSION:3')
[hls @ 0x7ff6ac001000] Opening 'http://127.0.0.1/output7.ts' for reading
[hls @ 0x7ff6ac001000] Opening 'http://127.0.0.1/output8.ts' for reading
[http @ 0x7ff6ac00e400] Opening 'http://127.0.0.1/output9.ts' for reading
Input #0, hls, from 'http://127.0.0.1/output.m3u8':
Duration: N/A, start: 15.480000, bitrate: N/A
Program 0
Metadata:
variant_bitrate : 0
Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 176x144 [SAR 1:1 DAR 11:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Metadata:
variant_bitrate : 0
Output #0, hls, to 'a.m3u8':
Metadata:
encoder : Lavf58.35.100
Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 176x144 [SAR 1:1 DAR 11:9], q=2-31, 25 fps, 25 tbr, 90k tbn, 25 tbc
Metadata:
variant_bitrate : 0
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[hls @ 0x7ff6ac817a00] Opening 'a0.ts' for writing
[hls @ 0x7ff6ac817a00] Opening 'a.m3u8.tmp' for writing
[hls @ 0x7ff6ac817a00] Opening 'a1.ts' for writing
[hls @ 0x7ff6ac817a00] Opening 'a.m3u8.tmp' for writing
[hls @ 0x7ff6ac001000] Skip ('#EXT-X-VERSION:3')
[http @ 0x7ff6ac82de00] Opening 'http://127.0.0.1/output.m3u8' for reading
[hls @ 0x7ff6ac001000] Skip ('#EXT-X-VERSION:3')
[http @ 0x7ff6ac82de00] Opening 'http://127.0.0.1/output.m3u8' for reading
[hls @ 0x7ff6ac001000] Skip ('#EXT-X-VERSION:3')
[http @ 0x7ff6ac82de00] Opening 'http://127.0.0.1/output.m3u8' for reading
[hls @ 0x7ff6ac001000] Skip ('#EXT-X-VERSION:3')
[http @ 0x7ff6ac82de00] Opening 'http://127.0.0.1/output.m3u8' for reading
[hls @ 0x7ff6ac001000] Skip ('#EXT-X-VERSION:3')
[hls @ 0x7ff6ac817a00] Opening 'a2.ts' for writing92 bitrate=N/A speed=0.959x
[hls @ 0x7ff6ac817a00] Opening 'a.m3u8.tmp' for writing
frame= 150 fps= 24 q=-1.0 Lsize=N/A time=00:00:05.92 bitrate=N/A speed=0.958x
video:130kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
liuqideMBP:dash liuqi$
>
>
>> So I have applied Steven's m3u8 patch, and have installed an
>> AVIOInterruptCB, but I'm still getting blocked here:
>>
>>
>>
>> #0 0x00007ffff791d729 in __GI___poll (fds=fds at entry=0x7fffcf663118,
>> nfds=nfds at entry=1, timeout=4999,
>> timeout at entry=<error reading variable: That operation is not
>> available on integers of more than 8 bytes.>)
>> at ../sysdeps/unix/sysv/linux/poll.c:29
>> #1 0x00007ffff47951ab in send_dg (ansp2_malloced=<optimised out>,
>> resplen2=<optimised out>,
>> anssizp2=<optimised out>, ansp2=<optimised out>, anscp=<optimised
>> out>, gotsomewhere=<synthetic pointer>,
>> v_circuit=<synthetic pointer>, ns=<optimised out>,
>> terrno=0x7fffcf6630e8, anssizp=0x7fffcf663210,
>> ansp=0x7fffcf6630d8, buflen2=<optimised out>, buf2=<optimised out>,
>> buflen=<optimised out>,
>> buf=<optimised out>, statp=<optimised out>) at res_send.c:1112
>> #2 __res_context_send (ctx=ctx at entry=0x7fffc0050e00,
>> buf=buf at entry=0x7fffcf663240 "̦\001",
>> buflen=buflen at entry=60, buf2=buf2 at entry=0x7fffcf66327c
>> "\344\272\001", buflen2=buflen2 at entry=60,
>> ans=<optimised out>, ans at entry=0x7fffcf663e50 "̦\201\202",
>> anssiz=<optimised out>, ansp=<optimised out>,
>> ansp2=<optimised out>, nansp2=<optimised out>, resplen2=<optimised
>> out>, ansp2_malloced=<optimised out>)
>> at res_send.c:519
>> #3 0x00007ffff47927a3 in __GI___res_context_query
>> (ctx=ctx at entry=0x7fffc0050e00,
>> name=name at entry=0x7fffcf665070 "abcradiolivehls-lh.akamaihd.net",
>> class=class at entry=1,
>> type=type at entry=439963904, answer=answer at entry=0x7fffcf663e50
>> "̦\201\202", anslen=anslen at entry=2048,
>> answerp=0x7fffcf6646a0, answerp2=0x7fffcf6646a8,
>> nanswerp2=0x7fffcf664690, resplen2=0x7fffcf664694,
>> answerp2_malloced=0x7fffcf664698) at res_query.c:216
>> #4 0x00007ffff47933cc in __res_context_querydomain
>> (answerp2_malloced=0x7fffcf664698, resplen2=0x7fffcf664694,
>> nanswerp2=0x7fffcf664690, answerp2=0x7fffcf6646a8,
>> answerp=0x7fffcf6646a0, anslen=2048,
>> answer=0x7fffcf663e50 "̦\201\202", type=439963904, class=1, domain=0x0,
>> name=0x7fffcf665070 "abcradiolivehls-lh.akamaihd.net",
>> ctx=0x7fffc0050e00) at res_query.c:601
>> #5 __GI___res_context_search (ctx=ctx at entry=0x7fffc0050e00,
>> name=name at entry=0x7fffcf665070 "abcradiolivehls-lh.akamaihd.net",
>> class=class at entry=1,
>> type=type at entry=439963904, answer=answer at entry=0x7fffcf663e50
>> "̦\201\202", anslen=anslen at entry=2048,
>> answerp=<optimised out>, answerp2=<optimised out>,
>> nanswerp2=<optimised out>, resplen2=<optimised out>,
>> answerp2_malloced=<optimised out>) at res_query.c:370
>> #6 0x00007ffff007b07a in _nss_dns_gethostbyname4_r (
>> name=name at entry=0x7fffcf665070 "abcradiolivehls-lh.akamaihd.net",
>> pat=pat at entry=0x7fffcf6647f8,
>> buffer=0x7fffcf664a80 "\377\002", buflen=1024,
>> errnop=errnop at entry=0x7fffcf66e658,
>> herrnop=herrnop at entry=0x7fffcf66e6bc, ttlp=0x0) at
>> nss_dns/dns-host.c:371
>> #7 0x00007ffff79100b2 in gaih_inet (name=<optimised out>,
>> name at entry=0x7fffcf665070 "abcradiolivehls-lh.akamaihd.net",
>> service=service at entry=0x7fffcf664a20,
>> req=req at entry=0x7fffcf664f30, pai=pai at entry=0x7fffcf664a08,
>> naddrs=naddrs at entry=0x7fffcf664a04,
>> tmpbuf=tmpbuf at entry=0x7fffcf664a70) at
>> ../sysdeps/posix/getaddrinfo.c:770
>> #8 0x00007ffff79110a7 in __GI_getaddrinfo (name=<optimised out>,
>> service=<optimised out>, hints=0x7fffcf664f30,
>> pai=0x7fffcf664f08) at ../sysdeps/posix/getaddrinfo.c:2265
>> #9 0x00007ffff074b97f in tcp_open (h=0x7fffc05ba140,
>> uri=0x7fffc05ba1a0 "tcp://abcradiolivehls-lh.akamaihd.net:80",
>> flags=3) at libavformat/tcp.c:151
>> #10 0x00007ffff05a3a8e in ffurl_connect (uc=0x7fffc05ba140,
>> options=0x7fffcf669458) at libavformat/avio.c:210
>> #11 0x00007ffff05a4214 in ffurl_open_whitelist (puc=0x7fffc0be9088,
>> filename=0x7fffcf666db0 "tcp://abcradiolivehls-lh.akamaihd.net:80",
>> flags=3, int_cb=0x7fffc05baeb0,
>> options=0x7fffcf669458, whitelist=0x7fffc05b32c0
>> "http,https,tls,rtp,tcp,udp,crypto,httpproxy",
>> blacklist=0x0, parent=0x7fffc05bae80) at libavformat/avio.c:344
>> #12 0x00007ffff0607397 in http_open_cnx_internal (h=0x7fffc05bae80,
>> options=0x7fffcf669458)
>> at libavformat/http.c:236
>> #13 0x00007ffff060749b in http_open_cnx (h=0x7fffc05bae80,
>> options=0x7fffcf669458) at libavformat/http.c:263
>> #14 0x00007ffff060842f in http_open (h=0x7fffc05bae80,
>> uri=0x7fffc05baee0
>> "http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on",
>> flags=1, options=0x7fffcf669458) at libavformat/http.c:580
>> #15 0x00007ffff05a3a64 in ffurl_connect (uc=0x7fffc05bae80,
>> options=0x7fffcf669458) at libavformat/avio.c:206
>> #16 0x00007ffff05a4214 in ffurl_open_whitelist (puc=0x7fffcf669360,
>> filename=0x7fffc0005700
>> "http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on",
>> flags=1, int_cb=0x7fffc0001148, options=0x7fffcf669458,
>> whitelist=0x7fffc000d210
>> "http,https,tls,rtp,tcp,udp,crypto,httpproxy", blacklist=0x0, parent=0x0)
>> at libavformat/avio.c:344
>> #17 0x00007ffff05a87a3 in ffio_open_whitelist (s=0x7fffcf6693e0,
>> filename=0x7fffc0005700
>> "http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on",
>> flags=1, int_cb=0x7fffc0001148, options=0x7fffcf669458,
>> whitelist=0x7fffc000d210
>> "http,https,tls,rtp,tcp,udp,crypto,httpproxy", blacklist=0x0)
>> at libavformat/aviobuf.c:1200
>> #18 0x00007ffff06db328 in io_open_default (s=0x7fffc0000c80,
>> pb=0x7fffcf6693e0,
>> url=0x7fffc0005700
>> "http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on",
>> flags=1, options=0x7fffcf669458) at libavformat/options.c:124
>> #19 0x00007ffff05f602e in parse_playlist (c=0x7fffc0005200,
>> url=0x7fffc0005700
>> "http://abcradiolivehls-lh.akamaihd.net/i/abcjazz_1@327288/index_32_a-p.m3u8?sd=10&rebase=on",
>> pls=0x7fffc0005700, in=0x0) at libavformat/hls.c:740
>> #20 0x00007ffff05f847d in read_data (opaque=0x7fffc0005700,
>> buf=0x7fffc006e928 "", buf_size=32768)
>> at libavformat/hls.c:1417
>> #21 0x00007ffff05a66d8 in read_packet_wrapper (s=0x7fffc0006700,
>> buf=0x7fffc006e928 "", size=32768)
>> at libavformat/aviobuf.c:538
>> #22 0x00007ffff05a697f in fill_buffer (s=0x7fffc0006700) at
>> libavformat/aviobuf.c:587
>> #23 0x00007ffff05a5f45 in avio_feof (s=0x7fffc0006700) at
>> libavformat/aviobuf.c:367
>> #24 0x00007ffff05fa878 in hls_read_packet (s=0x7fffc0000c80,
>> pkt=0x7fffc0015a80) at libavformat/hls.c:2107
>> #25 0x00007ffff075ac84 in ff_read_packet (s=0x7fffc0000c80,
>> pkt=0x7fffc0015a80) at libavformat/utils.c:859
>> #26 0x00007ffff075dc49 in read_frame_internal (s=0x7fffc0000c80,
>> pkt=0x7fffc0015a80) at libavformat/utils.c:1586
>> #27 0x00007ffff075ea61 in av_read_frame (s=0x7fffc0000c80,
>> pkt=0x7fffc0015a80) at libavformat/utils.c:1788
>>
>>
>>
>> Is there a way for AVIOInterruptCB to also control the timeout of
>> tcp_open()?
>>
>>
>>
>> On 18/11/19 8:44 pm, Tom Gaudasiński wrote:
>>> Okay, I will try it. Thank you.
>>>
>>> On 18/11/19 8:43 pm, Steven Liu wrote:
>>>>> 在 2019年11月18日，17:32，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>>>>
>>>>> How do I append “#EXT-X-ENDLIST” to the end of the m3u8 using the API?
>>>>> The URL I get ffmpeg to open is the m3u8 file, so I somehow need to do
>>>>> it in memory, I presume?
>>>>>
>>>> Hello Tom,
>>>>
>>>> Can you try this patch please:
>>>> https://patchwork.ffmpeg.org/patch/16316/
>>>>> On 18/11/19 8:00 pm, Steven Liu wrote:
>>>>>>> 在 2019年11月18日，16:44，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>>>>>>
>>>>>>> That would probably work in the one case where it's looking at the next
>>>>>>> entry in the list. It's actually blocking on a read, so I need some way
>>>>>>> to interrupt it. I will try AVIOInterruptCB and see how I go.
>>>>>> AVIOInterruptCB maybe ok if that is blocking. But is dose not useful if it always refresh m3u8.
>>>>>>> On 18/11/19 7:36 pm, Steven Liu wrote:
>>>>>>>>> 在 2019年11月18日，16:11，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>>>>>>>>
>>>>>>>>> I essentially have a thread that I need to have exit immediately. I
>>>>>>>>> thought tweaking timeouts would be one way to get this done, but I'm
>>>>>>>>> starting to think that's a bad approach.
>>>>>>>>>
>>>>>>>>> So, let me, maybe, rephrase the question: Is there a way I can tell
>>>>>>>>> ffmpeg to terminate? Like, closing its sockets, or something like that?
>>>>>>>>> This is all from another thread.
>>>>>>>> Just append an “#EXT-X-ENDLIST” into the m3u8 list is ok.
>>>>>>>>
>>>>>>>>> On 18/11/19 7:06 pm, Steven Liu wrote:
>>>>>>>>>>> 在 2019年11月18日，15:37，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>>>>>>>>>>
>>>>>>>>>>> That seems to change the call-stack a bit, but it still gets stuck on
>>>>>>>>>>> something in hls.c.
>>>>>>>>>>>
>>>>>>>>>>> I'm looking into what it is. I've also tried connect_timeout.
>>>>>>>>>>>
>>>>>>>>>>> I really just need to terminate the av_read_frame call, so that it
>>>>>>>>>>> returns immediately when I need it to, but av_read_frame appears to
>>>>>>>>>>> reconnect internally.
>>>>>>>>>> Ah, maybe i get your point, do you mean you don’t like the hls always retry
>>>>>>>>>> get the m3u8 list when the last segment don’t update living mode?
>>>>>>>>>>
>>>>>>>>>>> On 18/11/19 6:02 pm, Steven Liu wrote:
>>>>>>>>>>>>> 在 2019年11月18日，14:56，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>>>>>>>>>>>>
>>>>>>>>>>>>> I'm trying to set a read timeout for a http/https stream through the
>>>>>>>>>>>>> API. Currently I'm passing...
>>>>>>>>>>>>>
>>>>>>>>>>>>> av_dict_set(&options, "timeout", "100000", 0);
>>>>>>>>>>>>>
>>>>>>>>>>>>> ... to avformat_open_input().
>>>>>>>>>>>>>
>>>>>>>>>>>>> This appears to not work once the connection has been established. The
>>>>>>>>>>>>> protocol call-stack appears to be
>>>>>>>>>>>>>
>>>>>>>>>>>>> hls.c -> http.c -> avio.c -> tcp.c -> network.c
>>>>>>>>>>>> What about use rw_timeout ?
>>>>>>>>>>>>> The issue, I think, is that tcp.c only gets it's timeout from a
>>>>>>>>>>>>> ?key=val&key=val string at the end of the URL supplied to tcp.c, but
>>>>>>>>>>>>> http.c or avio.c don't supply this. In fact, when I see what was passed
>>>>>>>>>>>>> down, it's just "tcp://hostname.tld:80".
>>>>>>>>>>>>>
>>>>>>>>>>>>> Am I missing something? Is there a way to get ffmpeg to set tcp-timeout
>>>>>>>>>>>>> from the very top-level API calls? I can't see it.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Thank you.
>>>>>>>>>>>>>
>>>>>>>>>>>>> --Tom G.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>> ffmpeg-devel mailing list
>>>>>>>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>>>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>>>>>>>
>>>>>>>>>>>>> To unsubscribe, visit link above, or email
>>>>>>>>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>>>>>>>>> Thanks
>>>>>>>>>>>> Steven
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> ffmpeg-devel mailing list
>>>>>>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>>>>>>
>>>>>>>>>>>> To unsubscribe, visit link above, or email
>>>>>>>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> ffmpeg-devel mailing list
>>>>>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>>>>>
>>>>>>>>>>> To unsubscribe, visit link above, or email
>>>>>>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>>>>>>> Thanks
>>>>>>>>>> Steven
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> ffmpeg-devel mailing list
>>>>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>>>>
>>>>>>>>>> To unsubscribe, visit link above, or email
>>>>>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>>>>>> _______________________________________________
>>>>>>>>> ffmpeg-devel mailing list
>>>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>>>
>>>>>>>>> To unsubscribe, visit link above, or email
>>>>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>>>>> Thanks
>>>>>>>> Steven
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> ffmpeg-devel mailing list
>>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>>
>>>>>>>> To unsubscribe, visit link above, or email
>>>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>>>> _______________________________________________
>>>>>>> ffmpeg-devel mailing list
>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>
>>>>>>> To unsubscribe, visit link above, or email
>>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>>> Thanks
>>>>>> Steven
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> ffmpeg-devel mailing list
>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>
>>>>>> To unsubscribe, visit link above, or email
>>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>>> _______________________________________________
>>>>> ffmpeg-devel mailing list
>>>>> ffmpeg-devel at ffmpeg.org
>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>
>>>>> To unsubscribe, visit link above, or email
>>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>> Thanks
>>>> Steven
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> ffmpeg-devel mailing list
>>>> ffmpeg-devel at ffmpeg.org
>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>
>>>> To unsubscribe, visit link above, or email
>>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>>
>>> _______________________________________________
>>> ffmpeg-devel mailing list
>>> ffmpeg-devel at ffmpeg.org
>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>
>>> To unsubscribe, visit link above, or email
>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>
>>
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>> To unsubscribe, visit link above, or email
>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>
> Thanks
> Steven
>
>
>
>
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
Thanks
Steven
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