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2009-02-25output_plugin: don't pass audio_output object to method init()Max Kellermann1-2/+1
audio_output_get_name() has been removed, which was the only function left in output_api.h. The output plugin doesn't need the audio_output object at all, remove the parameter from the init() method.
2009-02-23output: pass the music chunk pointer as void*, not char*Max Kellermann1-2/+2
The meaning of the chunk depends on the audio format; don't suggest a specific format by declaring the pointer as "char*", pass "void*" instead.
2009-02-23output_api: play() returns a lengthMax Kellermann1-10/+7
The old API required an output plugin to not return until all data passed to the play() method is consumed. Some output plugins have to loop to fulfill that requirement, and may block during that. Simplify these, by letting them consume only part of the buffer: make play() return the length of the consumed data.
2009-02-16output_plugin: replaced method "control()" with "mixer()"Max Kellermann1-8/+9
The output plugin shouldn't know any specifics of the mixer API. Make it return the mixer object, and let the caller deal with it.
2009-01-25use g_free() instead of free()Max Kellermann1-1/+1
On some platforms, g_free() must be used for memory allocated by GLib. This patch intends to correct a lot of occurrences, but is probably not complete.
2009-01-25mixer: removed mixer_configure(), configure mixer in mixer_new()Max Kellermann1-4/+2
Allocate the mixer object when it is configured. Merged mixer_configure() into mixer_new(). mixer_new() was quite useless anyway.
2009-01-25mixer: return a mixer struct pointerMax Kellermann1-8/+10
Don't use statically allocated mixer objects.
2009-01-25conf: allow param==NULLMax Kellermann1-9/+7
Return the default value in the conf_get_block_*() functions when param==NULL was passed. This simplifies a lot of code, because all initialization can be done in one code path, regardless whether configuration is present.
2009-01-25conf: const pointers in block get functionsMax Kellermann1-2/+2
All config_get_block_*() functions should accept constant config_param pointers.
2009-01-18conf: added config_get_block_string()Max Kellermann1-3/+4
This replaces lots of getBlockParam() invocations.
2009-01-17conf: no CamelCase, part IMax Kellermann1-5/+6
Renamed functions, types, variables.
2009-01-16oss: evaluate the oss_open() return value properlyMax Kellermann1-1/+1
It returns bool, not int.
2009-01-10Introducing mixer apiViliam Mateicka1-8/+8
This patch tryes to introduce pluggable mixer (struct mixer_plugin) along with some basic infrastructure (mixer_* functions). Instance of mixer (struct mixer) is used in alsa and oss output plugin
2009-01-05fix G_BYTE_ORDER checkMax Kellermann1-1/+1
"#ifdef G_BYTE_ORDER == G_BIG_ENDIAN" cannot work, of course.
2009-01-05use GLib byte order macrosMax Kellermann1-2/+2
2009-01-04renaming mixer.h to mixer_api.hViliam Mateicka1-1/+1
2009-01-01output plugins: don't include gcc.hMax Kellermann1-2/+3
Use GLib's G_GNUC_UNUSED instead of gcc.h's mpd_unused.
2008-12-31Moving mixers to audio outputsViliam Mateicka1-0/+19
2008-11-25oss: use GLib instead of utils.h/log.hMax Kellermann1-55/+56
2008-10-29output: close device on play errorMax Kellermann1-1/+0
When an output plugin fails to play a chunk, close it. This replaces various manual close() calls in nearly all plugins.
2008-10-29output: use bool for return values and flagsMax Kellermann1-16/+17
Don't return 0/-1 on success/error, but true/false. Instead of int, use bool for storing flags.
2008-10-29oss: check and override audio_format properlyMax Kellermann1-0/+7
Don't accept 24 bit audio. Force MPD to use 16 bit if anything other than 8 or 16 bit is selected.
2008-10-26output: don't compile plugins which are disabledMax Kellermann1-8/+0
Don't compile the sources of disabled output plugins at all.
2008-10-26renamed src/audioOutputs/ to src/output/Max Kellermann1-0/+0
Again, no CamelCase in the directory name.
2008-10-14oss: use unsigned integer for ioctl constantsMax Kellermann1-12/+12
The OSS constants overflow a signed integer, use unsigned instead.
2008-10-14oss: convert several macros to enumMax Kellermann1-19/+25
C enums are nicer than CPP macros.
2008-10-11oss: fix opening default OSS deviceMax Kellermann1-1/+1
Leftover from the output API changes: oss_open_default() was changed to return a void*, but it still returned "0" to report success. Report the OssData pointer instead.
2008-10-10oss: added OssData.audio_formatMax Kellermann1-19/+20
This replaces the separate properties channels, sampleRate, bits.
2008-10-10audio_format: renamed sampleRate to sample_rateMax Kellermann1-2/+2
The last bit of CamelCase in audio_format.h. Additionally, rename a bunch of local variables.
2008-10-08don't include os_compat.hMax Kellermann1-0/+4
When there are standardized headers, use these instead of the bloated os_compat.h.
2008-09-29use C99 struct initializersMax Kellermann1-9/+8
The old struct initializers are error prone and don't allow moving elements around. Since we are going to overhaul some of the APIs soon, it's easier to have all implementations use C99 initializers.
2008-09-29Switch to C99 types (retaining compat with old compilers)Eric Wong1-2/+2
Seeing the "mpd_" prefix _everywhere_ is mind-numbing as the mind needs to retrain itself to skip over the first 4 tokens of a type to get to its meaning. So avoid having extra characters on my terminal to make it easier to follow code at 2:30 am in the morning. Please report any new issues you may come across on Free toolchains. I realize how difficult it can be to build/maintain cross-compiling toolchains and I have no intention of forcing people to upgrade their toolchains to build mpd. Tested with gcc 2.95.4 and and gcc 4.3.1 on x86-32.
2008-09-24output: make "struct audio_output" opaque for output pluginsMax Kellermann1-25/+23
We have eliminated direct accesses to the audio_output struct from the all output plugins. Make it opaque for them, and move its real declaration to output_internal.h, similar to decoder_internal.h. Pass the opaque structure to plugin.init() only, which will return the plugin's data pointer on success, and NULL on failure. This data pointer will be passed to all other methods instead of the audio_output struct.
2008-09-24output: set audio_output->open=1 in audio_output_task()Max Kellermann1-5/+0
Since the output plugin returns a value indicating success or error, we can have the output core code assign the "open" flag.
2008-09-24output: pass audio_format to plugin.init() and plugin.open()Max Kellermann1-2/+3
Pass the globally configured audio_format as a const pointer to plugin.init(). plugin.open() gets a writable pointer which contains the audio_format requested by the plugin. Its initial value is either the configured audio_format or the input file's audio_format.
2008-09-08output: const plugin structuresMax Kellermann1-1/+1
Since the plugin struct is never modified, we should store it in constant locations.
2008-09-07output: renamed typedef AudioOutput to struct audio_outputMax Kellermann1-10/+11
Also rename AudioOutputPlugin to struct audio_output_plugin, and use forward declarations to reduce include dependencies.
2008-09-07output: added output_api.hMax Kellermann1-3/+2
Just like decoder_api.h, output_api.h provides the audio output API which is used by the plugins.
2008-09-07audio_format: converted typedef AudioFormat to struct audio_formatMax Kellermann1-1/+1
Get rid of CamelCase, and don't use a typedef, so we can forward-declare it, and unclutter the include dependencies.
2008-08-26enable -Wpointer-arith, -Wstrict-prototypesMax Kellermann1-1/+2
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.
2008-04-12use size_t and constant pointer in ao pluginsMax Kellermann1-2/+3
The audio output plugins should get a constant pointer, because they must not modify the buffer. Since the size is a non-negative buffer size in bytes, we should change its type to size_t. git-svn-id: https://svn.musicpd.org/mpd/trunk@7293 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2008-03-26eliminated duplicate initializationMax Kellermann1-3/+3
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
2008-03-26explicitly downcastMax Kellermann1-2/+2
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
2008-01-26fixed -Wshadow warningsMax Kellermann1-44/+44
Signed-off-by: Eric Wong <normalperson@yhbt.net> git-svn-id: https://svn.musicpd.org/mpd/trunk@7143 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2008-01-03Cleanup #includes of standard system headers and put them in one placeEric Wong1-11/+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
2007-08-27adding \n to a bunch of error message stringsJ. Alexander Treuman1-1/+1
git-svn-id: https://svn.musicpd.org/mpd/trunk@6826 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2007-05-26Changing all calls to ERROR() followed by exit(EXIT_FAILURE) with a singleJ. Alexander Treuman1-1/+1
call to FATAL(). git-svn-id: https://svn.musicpd.org/mpd/trunk@6276 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2007-04-05The massive copyright updateAvuton Olrich1-2/+2
git-svn-id: https://svn.musicpd.org/mpd/trunk@5834 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2006-10-18remove some unneccesary includes from the audioOutput'sWarren Dukes1-4/+0
git-svn-id: https://svn.musicpd.org/mpd/trunk@4913 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2006-08-26Replace strdup and {c,re,m}alloc with x* variants to check for OOM errorsEric Wong1-5/+5
I'm checking for zero-size allocations and assert()-ing them, so we can more easily get backtraces and debug problems, but we'll also allow -DNDEBUG people to live on the edge if they wish. We do not rely on errno when checking for OOM errors because some implementations of malloc do not set it, and malloc is commonly overridden by userspace wrappers. I've spent some time looking through the source and didn't find any obvious places where we would explicitly allocate 0 bytes, so we shouldn't trip any of those assertions. We also avoid allocating zero bytes because C libraries don't handle this consistently (some return NULL, some not); and it's dangerous either way. git-svn-id: https://svn.musicpd.org/mpd/trunk@4690 09075e82-0dd4-0310-85a5-a0d7c8717e4f
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