Ok so when is arraybufferbuilde:append called ?
On Wed, 19 Sep 2018 at 12:36, @soylentgraham <gra...@grahamreeves.com>
wrote:
> Not sure where to start with this message
>
> a) Not even vaguely related to the original topic, you should start a new
> thread when the topic is wildly different.
> b) Do not start a new thread.
> c) This code is from libav (or actually, maybe ffmpeg). av_XXX are macros,
> functions and other values. The AV prefix is a hint to the user (you) that
> it's part of the av library. AV stands for audio/visual (or I suppose,
> audio/video these days)
> d) This is a question that should be on www.stackoverflow.com
> e) Please do not reply to this message. (at least regarding this new topic)
>
>
> On Tuesday, 18 September 2018 21:15:42 UTC+1, dan Med wrote:
>
>> I was reading this code but i can't figure outwhat av_..._.. stands for
>> is it already opening the connection here?
>>
>> static int tcp_open(URLContext *h, const char *uri, int flags){ struct
>> addrinfo hints = { 0 }, *ai, *cur_ai; int port, fd = -1; TCPContext *s
>> = h->priv_data; const char *p; char buf[256]; int ret; char
>> hostname[1024],proto[1024],path[1024]; char portstr[10];
>> s->open_timeout = 5000000; av_url_split(proto, sizeof(proto), NULL, 0,
>> hostname, sizeof(hostname), &port, path, sizeof(path), uri); if
>> (strcmp(proto, "tcp")) return AVERROR(EINVAL); if (port <= 0 ||
>> port >= 65536) { av_log(h, AV_LOG_ERROR, "Port missing in uri\n");
>> return AVERROR(EINVAL); } p = strchr(uri, '?'); if (p) {
>> if (av_find_info_tag(buf, sizeof(buf), "listen", p)) { char
>> *endptr = NULL; s->listen = strtol(buf, &endptr, 10);
>> /* assume if no digits were found it is a request to enable it */
>> if (buf == endptr) s->listen = 1; } if
>> (av_find_info_tag(buf, sizeof(buf), "timeout", p)) {
>> s->rw_timeout = strtol(buf, NULL, 10); } if
>> (av_find_info_tag(buf, sizeof(buf), "listen_timeout", p)) {
>> s->listen_timeout = strtol(buf, NULL, 10); } } if
>> (s->rw_timeout >= 0) { s->open_timeout = h->rw_timeout =
>> s->rw_timeout; } hints.ai_family = AF_UNSPEC; hints.ai_socktype =
>> SOCK_STREAM; snprintf(portstr, sizeof(portstr), "%d", port); if
>> (s->listen) hints.ai_flags |= AI_PASSIVE; if (!hostname[0])
>> ret = getaddrinfo(NULL, portstr, &hints, &ai); else ret =
>> getaddrinfo(hostname, portstr, &hints, &ai); if (ret) { av_log(h,
>> AV_LOG_ERROR, "Failed to resolve hostname %s: %s\n",
>> hostname, gai_strerror(ret)); return AVERROR(EIO); } cur_ai
>> = ai; restart:#if HAVE_STRUCT_SOCKADDR_IN6 // workaround for IOS9
>> getaddrinfo in IPv6 only network use hardcode IPv4 address can not resolve
>> port number. if (cur_ai->ai_family == AF_INET6){ struct
>> sockaddr_in6 * sockaddr_v6 = (struct sockaddr_in6 *)cur_ai->ai_addr;
>> if (!sockaddr_v6->sin6_port){ sockaddr_v6->sin6_port =
>> htons(port); } }#endif fd = ff_socket(cur_ai->ai_family,
>> cur_ai->ai_socktype, cur_ai->ai_protocol);
>> if (fd < 0) { ret = ff_neterrno(); goto fail; } /* Set
>> the socket's send or receive buffer sizes, if specified. If
>> unspecified or setting fails, system default is used. */ if
>> (s->recv_buffer_size > 0) { setsockopt (fd, SOL_SOCKET, SO_RCVBUF,
>> &s->recv_buffer_size, sizeof (s->recv_buffer_size)); } if
>> (s->send_buffer_size > 0) { setsockopt (fd, SOL_SOCKET, SO_SNDBUF,
>> &s->send_buffer_size, sizeof (s->send_buffer_size)); } if
>> (s->tcp_nodelay > 0) { setsockopt (fd, IPPROTO_TCP, TCP_NODELAY,
>> &s->tcp_nodelay, sizeof (s->tcp_nodelay)); } if (s->listen == 2) {
>> // multi-client if ((ret = ff_listen(fd, cur_ai->ai_addr,
>> cur_ai->ai_addrlen)) < 0) goto fail1; } else if (s->listen ==
>> 1) { // single client if ((ret = ff_listen_bind(fd,
>> cur_ai->ai_addr, cur_ai->ai_addrlen,
>> s->listen_timeout, h)) < 0) goto fail1; // Socket
>> descriptor already closed here. Safe to overwrite to client one. fd =
>> ret; } else { if ((ret = ff_listen_connect(fd, cur_ai->ai_addr,
>> cur_ai->ai_addrlen, s->open_timeout /
>> 1000, h, !!cur_ai->ai_next)) < 0) { if (ret == AVERROR_EXIT)
>> goto fail1; else goto fail; }
>> } h->is_streamed = 1; s->fd = fd; freeaddrinfo(ai); return 0;
>> fail: if (cur_ai->ai_next) { /* Retry with the next sockaddr */
>> cur_ai = cur_ai->ai_next; if (fd >= 0)
>> closesocket(fd); ret = 0; goto restart; } fail1: if (fd
>> >= 0) closesocket(fd); freeaddrinfo(ai); return ret;}
>>
>>
>> Il giorno mar 18 set 2018 alle ore 21:54 dan Med <litoki...@gmail.com>
>> ha scritto:
>>
>>> I know that i might have written the same thing over and over again but
>>> i didn't get an answer (which i really need)
>>>
>>> When is ArrayBufferBuilder::Append called ?
>>> Thank you
>>>
>>> Il giorno sab 15 set 2018 alle ore 12:34 dan Med <litoki...@gmail.com>
>>> ha scritto:
>>>
>>>> That’s all.
>>>>
>>>> On Fri, 14 Sep 2018 at 21:53, dan Med <litoki...@gmail.com> wrote:
>>>>
>>>>> I don’t understand how that code could be helpful to me..
>>>>>
>>>>> On Fri, 14 Sep 2018 at 21:51, dan Med <litoki...@gmail.com> wrote:
>>>>>
>>>>>> Technica question, when Arraybufferbuilder:append will be called ?
>>>>>>
>>>>>> On Fri, 14 Sep 2018 at 01:14, Peter Schow <psc...@gmail.com> wrote:
>>>>>>
>>>>>>> On Thu, Sep 13, 2018 at 10:45 AM dan Med <litoki...@gmail.com>
>>>>>>> wrote:
>>>>>>> > That isn’t my question....
>>>>>>> > Arraybufferbuilder:append how could I get that to be called.
>>>>>>> > What I really need is a little guidance on how to understand how
>>>>>>> v8 will parse my JavaScript script and how it will allocate the data.
>>>>>>> > Maybe even how a buffer or if there’s something that describes how
>>>>>>> buffers are handeled or if there’s a file or code that tells me that not
>>>>>>> the memory I know... just how it will execute it that’s all
>>>>>>>
>>>>>>> Starting with the sample REPL code at:
>>>>>>> https://github.com/v8/v8/blob/master/samples/shell.cc
>>>>>>>
>>>>>>> could answer your questions. In the days that you've been pursuing
>>>>>>> this, you could have traced all this by now. Good luck.
>>>>>>>
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>>>>>>
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