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* enable -Wpointer-arith, -Wstrict-prototypesMax Kellermann2008-08-264-10/+11
| | | | | | Also enable -Wunused-parameter - this forces us to add the gcc "unused" attribute to a lot of parameters (mostly library callback functions), but it's worth it during code refactorizations.
* don't call seekInputStream(0) if r==0Max Kellermann2008-06-301-1/+2
| | | | | | If nothing has been read from the input stream, we don't have to rewind it. git-svn-id: https://svn.musicpd.org/mpd/trunk@7397 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* eliminated local variable "to_read"Max Kellermann2008-06-301-4/+3
| | | | | | | The variable "to_read" is never modified except in the last iteration of the while loop. This means the while condition will never become false, as the body will break before that may be checked. git-svn-id: https://svn.musicpd.org/mpd/trunk@7396 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* mod: fix crashing on modtracker filesHans de Goede2008-06-131-1/+1
| | | | | | | | | This patch was taken from http://bugzilla.livna.org/show_bug.cgi?id=1987 and addresses bug 0001693[1] [1] - http://musicpd.org/mantis/view.php?id=1693 git-svn-id: https://svn.musicpd.org/mpd/trunk@7374 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* oggflac_plugin: fix build with libOggFLAC lib (libFLAC <= 7)Eric Wong2008-06-011-1/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7370 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* use dc.current_song instead of pc.current_songMax Kellermann2008-04-151-1/+1
| | | | | | When we are in an input plugin, dc.current_song should already be set. Use it instead of pc.current_song. git-svn-id: https://svn.musicpd.org/mpd/trunk@7363 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Make the OutputBuffer API more consistentEric Wong2008-04-1312-42/+42
| | | | | | | | | | 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 Wong2008-04-1312-86/+77
| | | | | | | 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 Wong2008-04-1312-244/+222
| | | | | | | 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
* Get rid of PlayerControl inside the PlayerData structEric Wong2008-04-131-1/+1
| | | | | | | | | | | | It actually increases our image size a small bit and may even hurt performance a very small bit, but makes the code less verbose and easier to manage. I don't see a reason for mpd to ever support playing multiple files at the same time (users can run multiple instances of mpd if they really want to play Zaireeka, but that's such an edge case it's not worth ever supporting in our code). git-svn-id: https://svn.musicpd.org/mpd/trunk@7352 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* replaced assertion with checkMax Kellermann2008-04-121-2/+1
| | | | | | | During my tests, it happened that data->position>newPosition. I have not yet fully understood why this can happen; for now, replace this with a run-time check. git-svn-id: https://svn.musicpd.org/mpd/trunk@7334 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* multiply num_samples with bytes_per_channelMax Kellermann2008-04-121-1/+1
| | | | | | | The patch "convert blocks until the buffer is full" did not update data->chunk_length correctly: it added the number of samples, not the number of bytes. Multiply that with bytes_per_channel git-svn-id: https://svn.musicpd.org/mpd/trunk@7332 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* missing num_channels check in previous patchMax Kellermann2008-04-121-1/+1
| | | | | | In the patch "special optimized case for 16bit stereo", the check for "num_channels==2" was missing. git-svn-id: https://svn.musicpd.org/mpd/trunk@7331 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* special optimized case for 16bit stereoMax Kellermann2008-04-121-3/+20
| | | | | | | Not having to loop for every sample byte (depending on a variable unknown at compile time) saves a lot of CPU cycles. We could consider reimplementing this function with liboil... git-svn-id: https://svn.musicpd.org/mpd/trunk@7330 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* read num_channels onceMax Kellermann2008-04-121-3/+4
| | | | | | Read frame->header.channels once, and pass only this integer to flac_convert(). git-svn-id: https://svn.musicpd.org/mpd/trunk@7329 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* assume the buffer is empty in flacWrite()Max Kellermann2008-04-121-4/+3
| | | | | | | flacWrite() is the only function which sets data->chunk_length. If we flush the buffer before we return, we can assume that it is always empty upon entering flacWrite(). git-svn-id: https://svn.musicpd.org/mpd/trunk@7328 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* convert blocks until the buffer is fullMax Kellermann2008-04-121-23/+43
| | | | | | | | | Move the inner loop which converts samples to flac_convert(). There it is isolated and easier to optimize. This function does not have to worry about buffer boundaries; the caller (i.e. flacWrite()) calculates how much is left and is responsible for flushing. That saves a lot of superfluous range checks within the loop. git-svn-id: https://svn.musicpd.org/mpd/trunk@7327 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* calculate bytes_per_channel, check for buffer flush onceMax Kellermann2008-04-121-11/+14
| | | | | | Check for flushing the chunk buffer only once per sample, before iterating over channels and bytes. This saves another 5% CPU cycles. git-svn-id: https://svn.musicpd.org/mpd/trunk@7326 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* don't calculate bytes per sample within the loopMax Kellermann2008-04-121-1/+2
| | | | | | | AudioFormat.bits is volatile, and to read it, 3 pointers had to be deferenced. Calculate this value once. This speeds up this function by 5%. git-svn-id: https://svn.musicpd.org/mpd/trunk@7325 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* use unsigned integers and size_t in the flac pluginMax Kellermann2008-04-122-4/+9
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7324 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* clean up CPP includesMax Kellermann2008-04-121-0/+1
| | | | | | | | | Try to only include headers which are really needed. We should particularly check all "headers including other headers". The long-term goal is to have a manageable, small API for plugins (decoders, output) without so many mpd internals cluttering the namespace. git-svn-id: https://svn.musicpd.org/mpd/trunk@7319 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Fix a few more warnings from -WshadowEric Wong2008-04-123-27/+29
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7300 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* constant pointersMax Kellermann2008-04-122-4/+4
| | | | | | There were some const pointers missing in the previous const-cleanup patch. git-svn-id: https://svn.musicpd.org/mpd/trunk@7290 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* fix parameter types in the faad callsMax Kellermann2008-04-122-3/+3
| | | | | | libfaad wants uint32_t pointers. Passing a long pointer is bugged on amd64. git-svn-id: https://svn.musicpd.org/mpd/trunk@7289 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* fix compilation error in wavpack pluginMax Kellermann2008-04-121-3/+6
| | | | | | The patch "Start using song pointers in core data structures" removed dc->utf8url, and the adaption for wavpack_plugin.c was missing. git-svn-id: https://svn.musicpd.org/mpd/trunk@7288 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* yet more unsigned integersMax Kellermann2008-04-122-5/+5
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7287 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Drop metadata updates from HTTP for now (input HTTP, and shout)Eric Wong2008-04-122-6/+0
| | | | | | | | It is way more complicated than it should be; and locking it for thread-safety is too difficult. [merged r7183 from branches/ew] git-svn-id: https://svn.musicpd.org/mpd/trunk@7241 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Initial cut of fork() => pthreads() for decoder and playerEric Wong2008-04-1210-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* use unsigned integers in the flac pluginMax Kellermann2008-04-122-2/+2
| | | | | | The counter variables c_samp and c_chan begin at zero and can never be negative. git-svn-id: https://svn.musicpd.org/mpd/trunk@7228 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* removed unused variableMax Kellermann2008-04-122-6/+6
| | | | | The local variable d_samp is initialized, but never actually used. git-svn-id: https://svn.musicpd.org/mpd/trunk@7227 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* wavpack_plugin: cleanups after the last commitEric Wong2008-03-261-2/+2
| | | | | | | | * malloc() => xmalloc() for error checking * strncpy() replaced with memcpy(), memcpy appears perfectly safe here and mpd does not ever use strncpy() (see r4491) git-svn-id: https://svn.musicpd.org/mpd/trunk@7211 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* WavPack improvementsLaszlo Ashin2008-03-261-29/+130
| | | | | | | | | | This patch does the following: -enables WVC support for streams as well, -improves MPD inputStream <=> WavPack stream connector, -fixes two compile warnings (which were caused by MPD API change). Mantis #1660 <http://musicpd.org/mantis/view.php?id=1660> git-svn-id: https://svn.musicpd.org/mpd/trunk@7210 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* audiofile_plugin: fix nasty long lines introduced in previous commitEric Wong2008-03-261-2/+4
| | | | | Terminals are 80 columns and that's a hard limit, no exceptions git-svn-id: https://svn.musicpd.org/mpd/trunk@7207 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* inputPlugins/oggvorbis: removed unused variablesMax Kellermann2008-03-261-7/+6
| | | | | | | | | | | The local variable eof can actually be replaced with a simple "break". With a negative ret, the value of chunkpos can be invalidated, I am not sure if this might have been a bug. [ew: no, a negative ret will correspond to ret == OV_HOLE and ret will be reset to zero leaving chunkpos untouched (code cleaned up to make this more obvious] git-svn-id: https://svn.musicpd.org/mpd/trunk@7202 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* eliminated duplicate initializationMax Kellermann2008-03-261-2/+2
| | | | | | | Local variables which are never read before the first assignment don't need initialization. Saves a few bytes of text. Also don't reset variables which are never read until function return. git-svn-id: https://svn.musicpd.org/mpd/trunk@7199 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* explicitly downcastMax Kellermann2008-03-262-7/+7
| | | | | | | | Tools like "sparse" check for missing downcasts, since implicit cast may be dangerous. Although that does not change the compiler result, it may make the code more readable (IMHO), because you always see when there may be data cut off. git-svn-id: https://svn.musicpd.org/mpd/trunk@7196 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* inputPlugins: add .oga suffix support for Ogg containersEric Wong2008-03-202-2/+2
| | | | | | | | | | | | | | | | | | | From <http://wiki.xiph.org/index.php/MIME_Types_and_File_Extensions>: > .oga - audio/ogg > > * Ogg Audio Profile (audio in Ogg container) > * Applications supporting .oga, .ogv SHOULD support decoding > from muxed Ogg streams > * Covers Ogg FLAC, Ghost, and OggPCM > * Although they share the same MIME type, Vorbis and Speex > use different file extensions. > * SHOULD contain a Skeleton logical bitstream. > * Vorbis and Speex may use .oga, but it is not the > prefered(sic) method of distributing these files because of > backwards-compatibility issues. Thanks to Qball and Rasi for the patch. git-svn-id: https://svn.musicpd.org/mpd/trunk@7191 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* fix -Wconst warningsMax Kellermann2008-02-057-29/+29
| | | | | | [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 "comparison between signed and unsigned"Max Kellermann2008-01-261-2/+2
| | | | | Signed-off-by: Eric Wong <normalperson@yhbt.net> git-svn-id: https://svn.musicpd.org/mpd/trunk@7146 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* assume old flac api when FLAC_API_VERSION_CURRENT is not definedMax Kellermann2008-01-261-1/+1
| | | | | | | | | the code is inconsistent when FLAC_API_VERSION_CURRENT is not defined: sometimes version > 7 is assumed, and sometimes version <= 7. solve this by assuming the version is old when FLAC_API_VERSION_CURRENT is not defined. Signed-off-by: Eric Wong <normalperson@yhbt.net> git-svn-id: https://svn.musicpd.org/mpd/trunk@7144 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* fixed -Wshadow warningsMax Kellermann2008-01-265-35/+35
| | | | | 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 Wong2008-01-0312-64/+12
| | | | | | | | | | | | | 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 Wong2008-01-0110-100/+6
| | | | | | | | | | | 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
* ogg_common: fix indent screwupEric Wong2007-12-311-14/+5
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7109 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* fix builds that only have FLAC >= 1.1.3 but not Ogg-VorbisEric Wong2007-12-313-9/+9
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7108 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Fix possible wrong 'addition'Qball Cow2007-12-101-1/+1
| | | git-svn-id: https://svn.musicpd.org/mpd/trunk@7076 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Fix replaygain for latest flac version.Qball Cow2007-12-061-0/+9
| | | | | | The updated initialize method did not tell the libFLAC to look for the tag containing the replay information. git-svn-id: https://svn.musicpd.org/mpd/trunk@7075 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Re-enable seeking in http streams.Qball Cow2007-11-281-6/+3
| | | | | | Fixing stopping mpd from block when trying to stop a ogg stream that is buffering. git-svn-id: https://svn.musicpd.org/mpd/trunk@7053 09075e82-0dd4-0310-85a5-a0d7c8717e4f
* Fix wavpack endian issues, tested to work for 16bit. (after blowing my ears ↵Qball Cow2007-10-031-1/+18
| | | | | off with white noise) git-svn-id: https://svn.musicpd.org/mpd/trunk@6952 09075e82-0dd4-0310-85a5-a0d7c8717e4f
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