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* imported list.h from the Linux kernel sourcesMax Kellermann2008-08-282-0/+485
| | | | | | | linux/list.h is a nice doubly linked list library - it is lightweight and powerful at the same time. It will be useful later, when we begin to allocate client structures dynamically. Import it, and strip out all the stuff which we are not going to use.
* const pointersMax Kellermann2008-08-286-16/+16
| | | | The usual bunch of pointer arguments which should be const.
* unsigned integers and size_tMax Kellermann2008-08-283-11/+11
| | | | | Use "unsigned int" whenever negative values are not meaningful. Use size_t whenever we are going to describe buffer sizes.
* include cleanupMax Kellermann2008-08-284-2/+3
| | | | Only include headers which are really needed.
* protect locate.h from double inclusionMax Kellermann2008-08-281-0/+5
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* moved player_command_finished() to player_thread.cMax Kellermann2008-08-263-10/+8
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* moved code to pc_init(), dc_init()Max Kellermann2008-08-268-24/+37
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* renamed player.c to player_control.cMax Kellermann2008-08-2613-272/+252
| | | | | Give player.c a better name, meaning that the code is used to control the player thread.
* no commandError() in playerSeek()Max Kellermann2008-08-263-9/+9
| | | | | | We should avoid having protocol specific code in player.c. Just return success or failure, and let the caller send the error code to the MPD client.
* don't initialize "i" if we overwrite it anywayMax Kellermann2008-08-261-1/+3
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* renamed decoderInit() to decoder_thread_start()Max Kellermann2008-08-263-3/+3
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* renamed decode.h to decoder_control.hMax Kellermann2008-08-267-6/+7
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* renamed decode.c to decoder_thread.cMax Kellermann2008-08-265-4/+30
| | | | | | It should be obvious in which thread or context a function is being executed at runtime. The code which was left in decode.c is for the decoder thread itself; give the file a better name.
* moved global variable "pc" to player.hMax Kellermann2008-08-2611-9/+32
| | | | | This is the last of the three variables. Now we don't need playerData.h anymore in most sources.
* moved global variable "ob" to outputBuffer.hMax Kellermann2008-08-267-6/+14
| | | | | | | This releases several include file dependencies. As a side effect, "CHUNK_SIZE" isn't defined by decoder_api.h anymore, so we have to define it directly in the plugins which need it. It just isn't worth it to add it to the decoder plugin API.
* moved enum decoder_command to decoder_api.hMax Kellermann2008-08-262-8/+9
| | | | | | The decoder plugins need this type, so export it in the public API. This allows is to remove "decode.h" from "decoder_api.h", uncluttering the API namespace some more.
* moved variable "dc" to decode.hMax Kellermann2008-08-268-22/+27
| | | | | Now that "dc" is available here, we don't have to pass it to decoder_is_idle() and decoder_is_starting() anymore.
* player_thread: removed decode(), renamed decodeParent()Max Kellermann2008-08-261-15/+4
| | | | | decode() is a trivial wrapper for decodeParent(). Merge both and rename them to do_play().
* hide DecoderControl accesses in inline functionsMax Kellermann2008-08-262-10/+27
| | | | | | Unfortunately, we have to pass the DecoderControl pointer to these inline functions, because the global variable "dc" may not be available here. This will be fixed later.
* check for decoder error before state!=STARTMax Kellermann2008-08-261-9/+8
| | | | | When dc->error!=NOERROR, we do not need to check state!=START. Simplify the checks by moving the error check to the top.
* don't reset dc->command in quitDecode()Max Kellermann2008-08-261-1/+0
| | | | | | The decoder thread is responsible for resetting dc->command after a command was executed. As a consequence, we can assume that dc->command is already NONE after decoder_stop().
* added decoder_control.cMax Kellermann2008-08-264-50/+110
| | | | | | The source "decoder_control.c" provides an API for controlling the decoder. This replaces various direct accesses to the DecoderControl struct.
* removed the "queue" parameter from syncPlaylistWithQueue()Max Kellermann2008-08-261-12/+11
| | | | | There is only one caller which passes "true", so we can move the queueNextSongInPlaylist() invocation there.
* merge the playlist lock functions into clearPlayerQueue()Max Kellermann2008-08-261-24/+11
| | | | | | There is no unlocked caller of clearPlayerQueue(), and the functions lockPlaylistInteraction() and unlockPlaylistInteraction() are trivial - merge them.
* use switch/case in syncPlaylistWithQueue()Max Kellermann2008-08-261-8/+18
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* don't call playerStop() before playerPlay()Max Kellermann2008-08-263-12/+3
| | | | | | | Since playerPlay() already calls playerStop(), we can remove its invocation of playerStop() from playPlaylistOrderNumber(). We can also make playerStop a static function.
* assert locked/unlocked in queue lock functionsMax Kellermann2008-08-261-2/+5
| | | | | There are no nested queue locks in mpd, thus replace the locked checks in playerQueueLock(), playerQueueUnlock() with assertions.
* don't unlock player queue in playerStop(), playerWait()Max Kellermann2008-08-261-2/+6
| | | | | There is no caller of these two functions which locks the player queue; replace the playerQueueUnlock() call with an assertion.
* queueSong() cannot failMax Kellermann2008-08-263-21/+8
| | | | | | | All (indirect) callers of queueSong() ensure that the queue state is BLANK, so there is no need to check it in queueSong() again. As a side effect, queueSong() cannot fail anymore, and can return void. Also, playlist_queueError and all its error handling can go away.
* fix a comment regarding the player queueMax Kellermann2008-08-261-1/+1
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* document the PLAYER_QUEUE_ constantsMax Kellermann2008-08-261-0/+15
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* added enum player_queue_stateMax Kellermann2008-08-263-11/+19
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* rewrote playerKill()Max Kellermann2008-08-263-2/+11
| | | | | | | playerKill() was marked as deprecated, but it seems like a good idea to do proper cleanup in all threads (e.g. for usable valgrind results). Introduce the command "EXIT" which makes the player thread exit cleanly.
* player: don't call STOP before CLOSE_AUDIOMax Kellermann2008-08-262-15/+10
| | | | | | | | | playerWait() stops the player thread (twice!) and closes the output device. It should be well enough to just send CLOSE_AUDIO, without STOP. This requires a tiny change to the player thread code: make it break when CLOSE_AUDIO is sent.
* playlist: eliminate unused fd parametersMax Kellermann2008-08-263-49/+46
| | | | | Again, remove file descriptor parameters, which are not actually used. These functions can also be converted to return void.
* player: no "fd" and no return valueMax Kellermann2008-08-264-47/+30
| | | | | Most player*() functions do not actually use the file descriptor, and always return 0 (success). Eliminate them to get a leaner interface.
* flac: decoder command means EOFMax Kellermann2008-08-262-11/+9
| | | | | | | It was possible for the decoder thread to go into an endless loop (flac and oggflac decoders): when a "STOP" command arrived, the Read() callback would return 0, but the EOF() callback returned false. Fix: when decoder_get_command()!=NONE, return EOF==true.
* made "sample_size" static constMax Kellermann2008-08-261-1/+1
| | | | | sample_size is a variable which is computed at compile time. Declare it "static const", so the compiler can optimize it away.
* moved jack configuration to the JackData structMax Kellermann2008-08-261-49/+64
| | | | | | Storing local configuration in global (static) variables is obviously a bad idea. Move all those variables into the JackData struct, including the locks.
* jack: removed unused macrosMax Kellermann2008-08-261-10/+0
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* jack: don't set audioOutput->data=NULLMax Kellermann2008-08-261-5/+5
| | | | | | | There is only one caller of freeJackData() left: jack_finishDriver(). This function is called by the mpd core, and is called exactly once for every successful jack_initDriver(). We do not need to clear audioOutput->data, since this variable is invalidated anyway.
* jack: initialize JackData in jack_initDriver()Max Kellermann2008-08-261-6/+2
| | | | | | | | Over the lifetime of the jack AudioOutput object, we want a single valid JackData object, so we can persistently store data there (configuration etc.). Allocate JackData in jack_initDriver(). After that, we can safely remove all audioOutput->data==NULL checks (and replace them with assertions).
* jack: added freeJackClient()Max Kellermann2008-08-261-13/+25
| | | | | | | No need to destroy the JackData object when an error occurs, since jack_finishDriver() already frees it. Only deinitialize the jack library, introduce freeJackClient() for that, and move code from freeJackData().
* jack: initialize jd->client after !jd checkMax Kellermann2008-08-261-5/+5
| | | | | | Prepare the next patch: make the "!jd" check independent of the jd->client initialization. This way we can change the "jd" initialization semantics later.
* jack: eliminate superfluous freeJackData() callsMax Kellermann2008-08-261-6/+0
| | | | | | | connect_jack() invokes freeJackData() in every error handler, although its caller also invokes this function after a failure. We can save a lot of lines in connect_jack() by removing these redundant freeJackData() invocations.
* mp3, flac: check for seek command after decoder_read()Max Kellermann2008-08-262-4/+16
| | | | | | | When we introduced decoder_read(), we added code which aborts the read operation when a decoder command arrives. Several plugins however did not expect that when they were converted to decoder_read(). Add proper checks to the mp3 and flac decoder plugins.
* check decoder_command!=NONE instead of decoder_command==STOPMax Kellermann2008-08-265-13/+14
| | | | | | The code said "decoder_command==STOP" because that was a conversion from the old "dc->stop" test. As we can now check for all commands in one test, we can simply rewrite that to decoder_command!=NONE.
* mp3: converted the MUTEFRAME_ macros to an enumMax Kellermann2008-08-261-9/+12
| | | | Also introduce MUTEFRAME_NONE; previously, the code used "0".
* mp3: converted the DECODE_ constants to an enumMax Kellermann2008-08-261-8/+13
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* added flag "decoder.seeking"Max Kellermann2008-08-263-1/+12
| | | | | | | | | | This flag is used internally; it is set by decoder_seek_where(), and indicates that the decoder plugin has begun the seek process. It is used for the case that the decoder plugin has to read data during the seek process. Before this patch, that was impossible, because decoder_read() would refuse to read data unless dc->command is NONE. This patch is kind of a dirty workaround, and needs to be redesigned later.
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