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* core rewrite (decode,player,outputBuffer,playlist)Eric Wong2008-08-161-36/+23
| | | | | | | | | | | | | This is a huge refactoring of the core mpd process. The queueing/buffering mechanism is heavily reworked. The player.c code has been merged into outputBuffer (the actual ring buffering logic is handled by ringbuf.c); and decode.c actually handles decoding stuff. The end result is several hundreds of lines shorter, even though we still have a lot of DEBUG statements left in there for tracing and a lot of assertions, too.
* Make the OutputBuffer API more consistentEric Wong2008-04-131-5/+5
| | | | | | | | | | We had functions names varied between outputBufferFoo, fooOutputBuffer, and output_buffer_foo That was too confusing for my little brain to handle. And the global variable was somehow named 'cb' instead of the more obvious 'ob'... git-svn-id: https://svn.musicpd.org/mpd/trunk@7355 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Stop passing our single OutputBuffer object everywhereEric Wong2008-04-131-6/+6
| | | | | | | All of our main singleton data structures are implicitly shared, so there's no reason to keep passing them around and around in the stack and making our internal API harder to deal with. git-svn-id: https://svn.musicpd.org/mpd/trunk@7354 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Stop passing our single DecoderControl object everywhereEric Wong2008-04-131-29/+24
| | | | | | | This at least makes the argument list to a lot of our plugin functions shorter and removes a good amount of line nois^W^Wcode, hopefully making things easier to read and follow. git-svn-id: https://svn.musicpd.org/mpd/trunk@7353 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Initial cut of fork() => pthreads() for decoder and playerEric Wong2008-04-121-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I initially started to do a heavy rewrite that changed the way processes communicated, but that was too much to do at once. So this change only focuses on replacing the player and decode processes with threads and using condition variables instead of polling in loops; so the changeset itself is quiet small. * The shared output buffer variables will still need locking to guard against race conditions. So in this effect, we're probably just as buggy as before. The reduced context-switching overhead of using threads instead of processes may even make bugs show up more or less often... * Basic functionality appears to be working for playing local (and NFS) audio, including: play, pause, stop, seek, previous, next, and main playlist editing * I haven't tested HTTP streams yet, they should work. * I've only tested ALSA and Icecast. ALSA works fine, Icecast metadata seems to get screwy at times and breaks song advancement in the playlist at times. * state file loading works, too (after some last-minute hacks with non-blocking wakeup functions) * The non-blocking (*_nb) variants of the task management functions are probably overused. They're more lenient and easier to use because much of our code is still based on our previous polling-based system. * It currently segfaults on exit. I haven't paid much attention to the exit/signal-handling routines other than ensuring it compiles. At least the state file seems to work. We don't do any cleanups of the threads on exit, yet. * Update is still done in a child process and not in a thread. To do this in a thread, we'll need to ensure it does proper locking and communication with the main thread; but should require less memory in the end because we'll be updating the database "in-place" rather than updating a copy and then bulk-loading when done. * We're more sensitive to bugs in 3rd party libraries now. My plan is to eventually use a master process which forks() and restarts the child when it dies: locking and communication with the main thread; but should require less memory in the end because we'll be updating the database "in-place" rather than updating a copy and then bulk-loading when done. * We're more sensitive to bugs in 3rd party libraries now. My plan is to eventually use a master process which forks() and restarts the child when it dies: master - just does waitpid() + fork() in a loop \- main thread \- decoder thread \- player thread At the beginning of every song, the main thread will set a dirty flag and update the state file. This way, if we encounter a song that triggers a segfault killing the main thread, the master will start the replacement main on the next song. * The main thread still wakes up every second on select() to check for signals; which affects power management. [merged r7138 from branches/ew] git-svn-id: https://svn.musicpd.org/mpd/trunk@7240 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* fix -Wconst warningsMax Kellermann2008-02-051-1/+1
| | | | | | [ew: cleaned up the dirty union hack a bit] Signed-off-by: Eric Wong <normalperson@yhbt.net> git-svn-id: https://svn.musicpd.org/mpd/trunk@7180 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* fixed -Wshadow warningsMax Kellermann2008-01-261-11/+11
| | | | | Signed-off-by: Eric Wong <normalperson@yhbt.net> git-svn-id: https://svn.musicpd.org/mpd/trunk@7143 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Cleanup #includes of standard system headers and put them in one placeEric Wong2008-01-031-6/+1
| | | | | | | | | | | | | This will make refactoring features easier, especially now that pthreads support and larger refactorings are on the horizon. Hopefully, this will make porting to other platforms (even non-UNIX-like ones for masochists) easier, too. os_compat.h will house all the #includes for system headers considered to be the "core" of MPD. Headers for optional features will be left to individual source files. git-svn-id: https://svn.musicpd.org/mpd/trunk@7130 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Simplify decode cleanup logic a bitEric Wong2008-01-011-17/+0
| | | | | | | | | | | DECODE_STATE_STOP is always set as dc->state, and dc->stop is always cleared. So handle it in decodeStart once rather than doing it in every plugin. While we're at it, fix a long-standing (but difficult to trigger) bug in mpc_decode where we failed to return if mpc_decoder_initialize() fails. git-svn-id: https://svn.musicpd.org/mpd/trunk@7122 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* mpc_plugin: break out if a missed error branchEric Wong2008-01-011-0/+2
| | | | | We shouldn't try to continue if mpc_decoder_initialize() fails. git-svn-id: https://svn.musicpd.org/mpd/trunk@7113 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* adding \n to a bunch of error message stringsJ. Alexander Treuman2007-08-271-2/+2
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@6826 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Just specify mimeType as NULL in mpc's InputPlugin struct.J. Alexander Treuman2007-05-221-2/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@6225 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Cleaning up some comments.J. Alexander Treuman2007-04-091-1/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@5894 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* The massive copyright updateAvuton Olrich2007-04-051-1/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@5834 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Don't initialize globals to zero (or NULL)Eric Wong2007-01-141-12/+1
| | | | | | | | Some compilers and linkers aren't smart enough to optimize this, as global variables are implictly initialized to zero. As a result, binaries are a bit smaller as more goes in the .bss and less in the text section. git-svn-id: https://svn.musicpd.org/mpd/trunk@5254 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* mpc_plugin: fix seeking bugEric Wong2006-08-081-0/+1
| | | | | remember to reset our chunk pointer when seeking git-svn-id: https://svn.musicpd.org/mpd/trunk@4597 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* mpc_plugin.c: fix compilation error with MPC_FIXED_POINTEric Wong2006-08-071-1/+1
| | | | | (It sounds like crap though) git-svn-id: https://svn.musicpd.org/mpd/trunk@4596 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Add mpd-indent.shAvuton Olrich2006-07-201-125/+130
| | | | | | Indent the entire tree, hopefully we can keep it indented. git-svn-id: https://svn.musicpd.org/mpd/trunk@4410 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* inputPlugins/*_plugin.c: static-ficationEric Wong2006-07-171-2/+2
| | | | | | Nothing here is ever exported for linkage besides the InputPlugin structure, so mark them static to save a few bytes. git-svn-id: https://svn.musicpd.org/mpd/trunk@4382 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* De-inline non-trivial, non-performance-critical functionsEric Wong2006-07-151-1/+2
| | | | | | Functions that should stay inlined should have an explanation attached to them. git-svn-id: https://svn.musicpd.org/mpd/trunk@4355 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Change shank's email addressJ. Alexander Treuman2006-07-141-1/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@4333 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Huge header update, update the copyright and addAvuton Olrich2006-07-131-1/+1
| | | | | the GPL header where necessary git-svn-id: https://svn.musicpd.org/mpd/trunk@4317 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* merge with mpd/trunk up to r3925Eric Wong2006-03-161-0/+2
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@3926 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Patch to make the configure flag for mpd-mad and mpd-libid3tag more logic ↵Qball Cow2005-09-081-2/+8
| | | | | (from ticho) git-svn-id: https://svn.musicpd.org/mpd/trunk@3477 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Fix musepack bitrate displayEric Wong2005-08-071-3/+4
| | | | | Thanks to Paul Seropian (paranoos) git-svn-id: https://svn.musicpd.org/mpd/trunk@3421 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* update musepack decoding code to use the newer mpcdec libraryEric Wong2005-07-301-4/+4
| | | | | | libmusepack is deprecated git-svn-id: https://svn.musicpd.org/mpd/trunk@3408 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* hopefully replaygain now works for musepackWarren Dukes2005-03-071-4/+5
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@3031 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* add support for parsing ape tags in musepack filesWarren Dukes2005-03-071-7/+40
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@3030 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* s/mpc_bool_t/BOOL/ so it works with libmusepack 1.1Warren Dukes2005-02-261-2/+2
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@2991 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* disable replaygain support for musepack till i can figure out the format ↵Warren Dukes2005-02-091-2/+2
| | | | | that the replagininfo is tored in by libmusepack git-svn-id: https://svn.musicpd.org/mpd/trunk@2942 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* make local functions staticWarren Dukes2005-02-031-6/+7
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@2932 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* todo updateWarren Dukes2005-02-021-3/+13
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@2926 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* forgot to remove some debug statementsWarren Dukes2005-02-021-2/+0
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@2925 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* playing, stopping, and seeking mpc files should work now. next is parsing ↵Warren Dukes2005-02-021-6/+11
| | | | | metadata for the db. git-svn-id: https://svn.musicpd.org/mpd/trunk@2924 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* mpc plugin basically working.Warren Dukes2005-02-011-20/+12
| | | | | | | | todo: 1) figure out why stop takes so long 2) fix seeking 3) parse tags git-svn-id: https://svn.musicpd.org/mpd/trunk@2923 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* some minor changes, still doesn't quite workWarren Dukes2005-02-011-5/+25
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@2922 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* remove getOggTotalTime(), wasn't used anywhereWarren Dukes2005-02-011-8/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@2921 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* will compile if you manually add "HAVE_MUSEPACK" to config.h and -lmusepack toWarren Dukes2005-02-011-77/+99
| | | | | MPD_LIBS in Makefile git-svn-id: https://svn.musicpd.org/mpd/trunk@2919 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* beginnings of a mpc plugin, work in progressWarren Dukes2005-02-011-0/+280
git-svn-id: https://svn.musicpd.org/mpd/trunk@2918 09075e82-0dd4-0310-85a5-a0d7c8717e4f
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