| Commit message (Collapse) | Author | Age |
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This was requested.
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Using the IPC with a program, it's not often obvious that a newline must
be sent to terminate a command. Print a warning if the connection is
closed while there is still uninterpreted data in the buffer.
Print the OS reported error if reading/writing the socket fails. Print
an erro if JSON parsing fails.
I considered silencing write errors if the write end is closed (EPIPE),
because a client might send a bunch of commands, and then close the
socket without wanting to read the reply. But then, mpv disconnects
without reading further commands that might still be buffered, so it's
probably a good idea to always print the error.
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Before this commit, this was defined to trigger undefined behavior. This
was nice because it required less code; but on the other hand, Lua as
well as IPC support had to check these things manually. Do it directly
in the API to avoid code duplication, and to make the API more robust.
(The total code size still grows, though...)
Since all of the failure cases were originally meant to ruin things
forever, there is no way to return error codes. So just print the
errors.
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MPV_EVENT_SCRIPT_INPUT_DISPATCH is now unused/deprecated.
Also remove a debug-print from defaults.lua.
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Found by Coverity.
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It's not necessarily available on Unix systems other than Linux (sigh).
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The receiving part was implemented, but since no messages are enabled
by default, it couldn't be used.
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Calling mpv_resume() too often is considered an API usage violation,
and will trigger an internal assertion somewhere.
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Because why not.
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Especially with other components (libavcodec, OSX stuff), the thread
list can get quite populated. Setting the thread name helps when
debugging.
Since this is not portable, we check the OS variants in waf configure.
old-configure just gets a special-case for glibc, since doing a full
check here would probably be a waste of effort.
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Minimizes the differences between --input-file and --input-unix-socket.
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The ipc_thread can exit any time, and will free the mp_ipc_ctx when
doing this, leaving a dangling pointer. This was somewhat handled in the
original commit by setting mpctx->ipc_ctx to NULL when the thread
exited, but that was still a race condition.
Handle it by freeing most things after joining the ipc_thread. This
means some resources will not be freed until player exit, but that
should be ok (it's an exceptional error situation).
Also, actually close the pipe FDs in mp_init_ipc() on another error
path.
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Just a minor refactor to keep unneeded dependencies on the core low.
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wm4
Alessandro Ghedini