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* lua: restore recent end-file event, and deprecate itwm42020-03-222-2/+11
| | | | | | | | | | | | Lua changed behavior for this specific event. I considered the change minor enough that it would not need to go through deprecation, but someone hit it immediately and ask on the -dev channel. It's probably better to restore the behavior. But mark it as deprecated, since it's problematic (mismatch with the C API). Unfortunately, no automatic warning is possible. (Or maybe it is, by playing sophisticated Lua tricks such as setting a metatable and overriding indexing, but let's not.)
* js: make wait_event autofreeAvi Halachmi (:avih)2020-03-221-6/+5
| | | | | | | | | | | | The VM could throw at pushnode and before mpv_free_node_contents, which would have resulted in leaked content. Now this case is handled without leaks. Note: the lua code still leaks on such case, but mp_lua_PITA doesn't have destructors like the JS autofree has, which, specifically here, can do mpv_free_node_contents. So TODO: enhance the lua PITA code to behave more similar to the JS autofree.
* js: use unified events (match 218d6643, 8a58a699)Avi Halachmi (:avih)2020-03-211-98/+4
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* lua: simplify furtherwm42020-03-211-8/+1
| | | | As suggested by avih. Obviously this was unnecessarily convoluted.
* client API, lua: unify event code furtherwm42020-03-212-52/+18
| | | | | | | | | Move some parts that can be generic to the client API code. It turns out lua.c doesn't need anything special. This adds the "id" field. I think this was actually missing from the JSON IPC code (i.e. it's a very recent regression that is fixed with this commit).
* command: fix accidental stack dumpingwm42020-03-211-1/+1
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* client API, lua, ipc: unify event struct returnwm42020-03-212-50/+111
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both Lua and the JSON IPC code need to convert the mpv_event struct (and everything it points to) to Lua tables or JSON. I was getting sick of having to make the same changes to Lua and IPC. Do what has been done everywhere else, and let the core handle this by going through mpv_node (which is supposed to serve both Lua tables and JSON, and potentially other scripting language backends). Expose it as new libmpv API function. The new API is still a bit "rough" and support for other event types might be added in the future. This silently adds support for the playlist_entry_id fields to both Lua and JSON IPC. There is a small API change for Lua; I don't think this matters, so I didn't care about compatibility. The new code in client.c is mashed up from the Lua and the IPC code. The manpage additions are moved from the Lua docs, and made slightly more "general". Some danger for unintended regressions both in Lua and IPC. Also damn these node functions suck, expect crashes due to UB. Not sure why this became more code instead of less compared to before (according to the diff stat), even though some code duplication across Lua and IPC was removed. Software development sucks.
* client API: add a playlist entry unique IDwm42020-03-212-2/+22
| | | | | | This should make dealing with some async. things easier. It's intentionally not a globally unique ID.
* player: add potentially forgotten property change triggerwm42020-03-211-0/+1
| | | | | | Unfortunately, merely changing the playlist current position affects the flags returned by the "playlist" property, so the entirely thing needs to be marked as changed. Seems to be a design mistake.
* player: add a number of new playlist contol commands/propertieswm42020-03-212-5/+71
| | | | | | | | | | | | | | | | | | | | | | | Should give a good deal more explicit control and insight over the player state. Some feel a bit pointless, and/or expose internal weirdness. However, it's not like the existing weirdness didn't exist before, or can be made go away. (In part, the weirdness is because certain in-between states are visible. Hiding them would make things simpler, but less flexible.) Maybe this actually gives users a better idea how the API _should_ look like, too. On a side note, this tries to really guarantee that mpctx->playing is set between playback start/end. For that, the loadfile.c changes assume that mpctx->playing is set (guaranteed by code above the change), and that playing->filename is set (probably could never be false; was broken before and actually would have crashed if that could ever happen; in any case, also add an assert to playlist.c for this). playlist_entry_to_index() now tolerates playlist_entrys that are not part of the playlist. This is also needed for mpctx->playing.
* player: playlist-pos now use -1 for "no entry selected"wm42020-03-212-11/+7
| | | | | | | | | | | | | | | | | | | | | It's odd that this state is observable, but is made implicit by making the property unavailable. It's also odd that an API user cannot directly put the player into such a state. Just allow reading/writing -1 (or in fact, any out of bounds index) for this case. I'm also refraining from using OPT_CHOICE for the "no selection" case, because although that would be cleaner in theory, it would cause only problems to API users due to the more complex property type (worse is better). One reason for not restricting the integer range on the input property anymore is that if there are no playlist elements, the range would contain only 1 integer, which cannot be represented anymore since the recent m_option change. This was actually broken with 1 element playlists before (and still is, with the constricted type for OSD and the add/cycle commands). Doesn't matter too much.
* osc: avoid using a deprecated eventwm42020-03-211-1/+1
| | | | The new code is pretty much equivalent.
* client API: actually warn against enabling any deprecated eventswm42020-03-211-2/+18
| | | | | | Like it was done for the "tick" event, but for all deprecated events. Not entirely effective, since the C API enables all events by default.
* player: fix subtle idle mode differences on early program startwm42020-03-215-19/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the user manages to run a "loadfile x append" command before the loop in mp_play_files() is entered, then the player could start playing these. This isn't expected, because appending files to the playlist in idle mode does not normally start playback. It could happen because there is a short time window where commands are processed before the loop is entered (such as running the command when a script is loaded). The idle mode semantics are pretty weird: if files were provided in advance (on the command line), then these should be played immediately. But if idle mode was already entered, and something is appended to the playlist using "append", i.e. without explicitly triggering playback, then it should remain in idle mode. Try to follow this by redefining PT_STOP to strictly mean idle mode. Remove the playlist->current check from idle_loop(), since only the stop_play field counts now (cf. what mp_set_playlist_entry() does). This actually introduces the possibility that playlist->current, and with it playlist-pos, are set to something, even though playback is not active or being started. Previously, this was only possible during state transitions, such as when changing playlist entries. Very annoyingly, this means the current way MPV_EVENT_IDLE was sent doesn't work anymore. Logically, idle mode can be "active" even if idle_loop() was not entered yet (between the time after mp_initialize() and before the loop in mp_play_files()). Instead of worrying about this, redo the "idle-active" property, and deprecate the event. See: #7543
* player: remove additional newline before exit messagewm42020-03-211-1/+1
| | | | | | What was this even for? Also, most times, the cleared status line will show up as an empty new line anyway, so this commit reduces the empty new lines from 2 to 1.
* player: actually report an exit error if encoding mode fails on closingwm42020-03-211-1/+1
| | | | | | | | | | | The code that determines the process exit code ignores all stop_play values other than PT_QUIT. Generally, PT_ERROR is meaningless outside of play_current_file(), and is mostly equivalent to PT_NEXT_ENTRY. Do something that makes it report a non-0 exit code, and indicates in the terminal exit message that something went wrong. Untested.
* build: make libass non-optionalwm42020-03-182-13/+1
| | | | | | | | | | | | | | Using mpv without libass isn't really supported, since it's not only used to display ASS subtitles, but all text subtitles, and even OSD. At least 1 user complained that the player printed a warning if built without libass. Avoid trying to create the impression that using this software without libass is in any way supported or desirable, and make it fully mandatory. (As far as making dependencies optional goes, I'd rather make ffmpeg optional, which is an oversized and bloated library, rather than something tiny like libass.)
* client API: fix MPV_FORMAT_DOUBLE => MPV_FORMAT_INT64wm42020-03-181-1/+3
| | | | (Why can it do this conversion at all? This is shitshow anyway.)
* options: change option macros and all option declarationswm42020-03-181-170/+185
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change all OPT_* macros such that they don't define the entire m_option initializer, and instead expand only to a part of it, which sets certain fields. This requires changing almost every option declaration, because they all use these macros. A declaration now always starts with {"name", ... followed by designated initializers only (possibly wrapped in macros). The OPT_* macros now initialize the .offset and .type fields only, sometimes also .priv and others. I think this change makes the option macros less tricky. The old code had to stuff everything into macro arguments (and attempted to allow setting arbitrary fields by letting the user pass designated initializers in the vararg parts). Some of this was made messy due to C99 and C11 not allowing 0-sized varargs with ',' removal. It's also possible that this change is pointless, other than cosmetic preferences. Not too happy about some things. For example, the OPT_CHOICE() indentation I applied looks a bit ugly. Much of this change was done with regex search&replace, but some places required manual editing. In particular, code in "obscure" areas (which I didn't include in compilation) might be broken now. In wayland_common.c the author of some option declarations confused the flags parameter with the default value (though the default value was also properly set below). I fixed this with this change.
* osc: fix updating message when pausedwm42020-03-141-5/+12
| | | | | | | | | | | | | | The message_timeout field was basically polled. But ever since the OSC was changed to work more event based, this didn't quite work. It was quite visible when switching subtitle or audio tracks while paused (and with caching disabled, since the cache update triggered some extra redrawing). Fix by using a proper timer. I noticed that changing tracks with the message call commented didn't redraw properly either, but, uh, I guess the message is always triggered anyway, and happens to take care of this.
* options: introduce bool option type, use it for --fullscreenwm42020-03-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The option code is very old and was added to MPlayer in the early 2000s, when C99 was still new. MPlayer did not use the "bool" type anywhere,l and the logical option equivalent to bool, the "flag" option type, used int, with the convention that only the values 0 and 1 are allowed. mpv may have hammered many, many additional tentacles to the option code, but some of the basics never changed, and m_option_type_flag still uses int. This seems a bit weird, since mpv uses bool for booleans. So finally introduce an m_option_type_bool. To avoid duplicating too much code, change the flag code to bool, and "reimplement" m_option_type_flag on top of m_option_type_bool. As a "demonstration", change the --fullscreen option to this new type. Ideally, all options would be changed too bool, and m_option_type_flag would be removed. But that is a lot of monotonous thankless work, so I'm not doing it, and making it a painful years long transition. At the same time, I'm introducing a new concept for option declarations. Instead of OPT_BOOL(), which define the full m_option struct contents, there's OPTF_BOOL(), which only takes the option field name itself. The name is provided via a normal struct field initializer. Other fields (such as flags) can be provided via designated initializers. The advantage of this is that we don't need tons of nested vararg macros. We also don't need to deal with 0-sized varargs being a pain (and in fact they are not a thing in standard C99 and probably C11). There is no need to provide a mandatory flags argument either, which is the reason why so many OPT_ macros are used with a "0" argument. (The flag argument seems to confuse other developers; they either don't immediately recognize what it is, and sometimes it's supposed to be the option's default value.) Not having to mess with the flag argument in such option macros is also a reason for the removal of M_OPT_RANGE etc., for the better or worse. The only place that special-cased the _flag option type was in command.c; change it to use something effectively very similar that automatically includes the new _bool option type. Everything else should be transparent to the change. The fullscreen option change should be transparent too, as C99 bool is basically an integer type that is clamped to 0/1 (except in Swift, Swift sucks).
* command: disable edition switching if there are no editionswm42020-03-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | Commit 8d965a1bfb3 changed option/property min/max handling. As a consequence, ranges that contain only 1 or 0 elements are not possible anymore. Normally that's fine, because it makes no sense to have an option that has only one or none allowed value (statically). But edition switching used some sort of mechanism where the property can return a different, dynamically decided range at runtime. That meant that if there were <2 editions, edition switching with the "cycle" command would always pick the same value. But with the recent commit, this changed to having "no range set" and would cycle through all integer values. Work this around with a simple change. Now, edition switching on a file without editions shows "edition: auto" instead of "edition: 0", which may appear odd. But the former is the --edition default value, and previous mpv versions rendered the edition property like this when not using switching. (Who the fuck uses editions?)
* options: change how option range min/max is handledwm42020-03-131-17/+8
| | | | | | | | | | | | | | | | | Before this commit, option declarations used M_OPT_MIN/M_OPT_MAX (and some other identifiers based on these) to signal whether an option had min/max values. Remove these flags, and make it use a range implicitly on the condition if min<max is true. This requires care in all cases when only M_OPT_MIN or M_OPT_MAX were set (instead of both). Generally, the commit replaces all these instances with using DBL_MAX/DBL_MIN for the "unset" part of the range. This also happens to fix some cases where you could pass over-large values to integer options, which were silently truncated, but now cause an error. This commit has some higher potential for regressions.
* options: split m_config.c/hwm42020-03-132-2/+2
| | | | | | | | | | | | | | | | | Move the "old" mostly command line parsing and option management related code to m_config_frontend.c/h. Move the the code that enables other part of the player to access options to m_config_core.c/h. "frontend" is out of lack of creativity for a better name. Unfortunately, the separation isn't quite clean yet. m_config_frontend.c still references some m_config_core.c implementation details, and m_config_new() is even left in m_config_core.c for now. There some odd functions that should be removed as well (marked as "Bad functions"). Fixing these things requires more changes and will be done separately. struct m_config is left with the current name to reduce diff noise. Also, since there are a _lot_ source files that include m_config.h, add a replacement m_config.h that "redirects" to m_config_core.h.
* filter: minor cosmetic naming issuewm42020-03-082-2/+2
| | | | | Just putting some more lipstick on the pig, maybe it looks a bit nicer now.
* command: add libass-version propertywm42020-03-081-0/+15
| | | | A bit of a mess with that ifdeffery, but fuck it.
* player: rearrange libav* library checkwm42020-03-081-12/+2
| | | | No need to be nice. Also hopefully breaks idiotic distro patches.
* player: move on_unload hook after frame step pausingwm42020-03-071-2/+2
| | | | | | | Really minor detail that doesn't really matter. If frame stepping pauses playback on end (why does this special case even exist), it should probably be done after on_unload, because all works is supposed to be finished at that point.
* client API: always reset new_property_events fieldswm42020-03-071-1/+2
| | | | | | This was not reset in the num_properties==0 case. This didn't really matter, but for debugging it's slightly nicer to see new_property_events reset once the client thread is done with it.
* js: osd-overlay update: return the command result (match 7a76b577)Avi Halachmi (:avih)2020-03-071-2/+1
| | | | Currently only useful for the new 'compute_bounds' command key.
* js: osd-overlay update: support arbitrary key namesAvi Halachmi (:avih)2020-03-071-9/+11
| | | | | | | | | | | | | | | | | | | | Until now the 'update' method used mp.command_native with a hardcoded list of key names. Change it to use whatever keys the user set to this object, so that we can remain oblivious to new keys which 'osd-overlay' may support. This is how the lua code did it from the begining. We didn't, and now we pay the price. Note: could be implemented either as we have now (clone `this` excluding the methods) or by moving the methods up the prototype chain (i.e. class methods) so they don't get enumerated and use `this` as the command object itself. However, in the latter approach we'll have to save the values which we change (name, res_x, res_y) and restore them after the command, so it's simpler to just clone `this`.
* client API: provide ways to finish property changes on file changeswm42020-03-072-5/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the current file changes (or rather, when starting/finishing playback of a playlist entry), clients tend to have the problem that it's hard to tell whether a property change notification (via mpv_observe_property() and mechanisms layered on top of it) is from the previous or new playlist entry. The previous commit probably helps, but all the asynchronity is still a bit unhelpful. Try to make this better by adding new hooks, that are run before/after playback init/deinit. This is similar to the existing hooks, except they're outside of "initialized" playback, which excludes that you might accidentally get an overlap between the current and the previous/next playlist entry. That still doesn't seem quite enough, since normally, property change notifications come after the hook event. So basically a client would have to explicitly "drain" the event queue within the hook, and make the hook continue only after that is done. Knowing when property notifications are done is another asynchronous nightmare (how exactly it works keeps changing within client.c, and an API user probably can't tell anymore when all pending properties are truly done). So introduce another guarantee: properties that were changed before the hook happens will be returned before the hook event is returned. That means the client will have received all pending property notifications from the previous playlist entry (or whatever) before the hook is entered. As another minor complication, we shouldn't just keep the hook pending until _all_ property notifications are done, since the client's hook could produce new ones. (Or just consider things like the demuxer thread hammering the client with cache update events, while the "on_preloaded" hook is run.) So there is some extra untested, fragile logic in client.c to handle this (the waiting_for_hook flag). This probably works, but was barely tested. Not sure if this helps anyone, but I think it's fine for my own purposes. (I really hated this aspect of the API whenever I used it myself.)
* client API: avoid returning stale value on property notificationswm42020-03-061-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | This could happen if a property was flagged as changed, then updated, then flagged again, but gen_property_change_event() was called before the value was updated a second time. Then the function simply returned the old value, and would later trigger a new change event again. This was considered acceptable before, since property notifications are asynchronous anyway (so they may always be "outdated", it just mattered whether the most recent value was eventually delivered). But consider ordering with events. It seems desirable that specific important events (e.g. MPV_EVENT_START_FILE) should not be followed by property updates that happened before it, because that would make application logic really a mess, and property notification near-useless in certain cases. Avoid this by never returning a value if it was marked changed, but not updated yet. Unfortunately, this could lead to clients never receiving a value (or receiving it with a high random delay), if they're too slow to read it (or the property simply updates too often). Note that this is done for _all_ property notifications, not just returned events. Hopefully not a problem in practice. If it turns out to be one, this mechanism could be restricted to actually returned events, for which this really matters.
* command: remove legacy hook APIwm42020-03-063-63/+10
| | | | | Hopefully nothing uses this. (I know one exception, but, well, what can I do.)
* command: extend osd-overlay command with bounds reportingwm42020-03-062-1/+18
| | | | | | | | | | | | | | | | | | | | This is more or less a minimal hack to make _some_ text measurement functionality available to scripts. Since libass does not support such a thing, this simply uses the bounding box of the rendered text. This is far from ideal. Problems include: - using a bitmap bounding box - additional memory waste and/or flushing caches - dependency on window size - odd small deviations with different window sizes (run osd-test.lua and resize the window after each timer update; the bounding boxes aren't adjusted in an overly useful way) - inability to query the size _after_ actual rendering But I guess it's a start. Since I'm aware that it's crap, add a threat to the manpage that this may be changed/removed again. For now, I'm interested whether anyone will have use for it in its current form, as it's an often requested feature.
* player: force update of cache properties even on inactive demuxer cachewm42020-03-052-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | When the demuxer cache read until the end of the stream, and was finished and completely inactive, the cache properties were not updated anymore via MP_EVENT_CACHE_UPDATE. Unfortunately, many cache properties depend on the current playback position, such as cache-duration or fw-bytes. This is especially visible on the OSC. If everything was cached, seeking around didn't update the displayed forward cache duration. That means checking demuxer_reader_state.idle is not enough. You also need to check whether the current playback position changed. Fix this by explicitly using the current playback position, and update the properties if it changed "enough". "Enough" is 1 second of media time in this example, which may or may not be appropriate. In general, this could probably be done better. There are many other triggers that change the cache state and that are not covered. For now I'm content with getting rid of the obvious problems. I think the OSC problem in particular was caused by changing it from polling to using property change notifications.
* player: reduce impact of blocking filterswm42020-03-051-0/+1
| | | | | | | | | | | | | | | | | | | | Some filters may block the playloop for a longer time. For example, if a decoder fails to decode anything and somehow just discards packets, the filter graph would run (in a blocking manner) until all packets are read, which could take a longer time if the demuxer thread is fast enough. Make it exit every 100ms. That should at least give the user a chance to stop playback. Filtering could run on a different thread, but I don't see much value in doing that in the general case. It would just waste a thread. Although being able to use mp_filter_graph_interrupt() would be slightly nicer than such a timeout mechanism. Decoding in particular can actually use a separate thread (--vd-queue-enable), but again, this is not enabled by default, because it just wastes a thread. Like the previous f_decoder_wrapper commit, this is probably a sin.
* options: make decoder options local to decoder wrapperwm42020-03-013-20/+3
| | | | | | | | | | | | | | | Instead of having f_decoder_wrapper create its own copy of the entire mpv option tree, create a struct local to that file and move all used options to there. movie_aspect is used by the "video-aspect" deprecated property code. I think it's probably better not to remove the property yet, but fortunately it's easy to work around without needing special handling for this option or so. correct_pts is used to prevent use of hr-seek in playloop.c. Ignore that, if you use --no-correct-pts you're asking for trouble anyway. This is the only behavior change.
* player: add optional separate video decoding threadwm42020-02-291-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | See manpage additions. This has been a topic in MPlayer/mplayer2/mpv since forever. But since libavcodec multi-threaded decoding was added, I've always considered this pointless. libavcodec requires you to "preload" it with packets, and then you can pretty much avoid blocking on it, if decoding is fast enough. But in some cases, a decoupled decoder thread _might_ help. Users have for example come up with cases where decoding video in a separate process and piping it as raw