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* build: allow compilation without any atomicswm42014-07-051-0/+4
| | | | | | | | | | | | | | | | | | | Not all compilers on all platforms have atomics available (even if they could, technically speaking). We don't use atomics that much, only the following things rely on it: 1. the audio pull code, and all audio outputs using it 2. updating global msg levels 3. reading log messages through the client API Just disable 1. and 3. if atomics are not available. For 2., using fake- atomics isn't too bad; at worst, message levels won't properly update under certain situations (but most likely, it will work just fine). This means if atomics are not available, the client API function mpv_request_log_messages() will do nothing. CC: @mpv-player/stable
* demux, stream: change metadata notificationwm42014-07-052-0/+7
| | | | | | | | | | | | (Again.) This time, we simply make it event-based, as it should be. This is done for both demuxer metadata and stream metadata. For some ogg-over-icy streams, 2 updates are reported on stream start. This is because libavformat reports an update right on start, while including the same info in the "static" metadata. I don't know if that's a bug or a feature.
* av_common: remove unneeded fieldwm42014-06-291-1/+0
| | | | This is actually needed for encoding only, and not decoding. Drop it.
* Revert "encode: make the central lock recursive"Rudolf Polzer2014-06-121-2/+1
| | | | This reverts commit 231c6672140f019257edd26db20fbcfc2554258f.
* encode: make the central lock recursivewm42014-06-121-1/+2
| | | | | | | | Unfortunately, there's a recursive function call in ao_lavc.c (play function), leading to a deadlock. The locking is getting a bit messy, so just make the lock recursive. This fixes #844.
* encode: make option struct localwm42014-06-113-6/+58
| | | | Similar to previous commits.
* Add more constwm42014-06-113-4/+4
| | | | | | | While I'm not very fond of "const", it's important for declarations (it decides whether a symbol is emitted in a read-only or read/write section). Fix all these cases, so we have writeable global data only when we really need.
* client API: call wakeup callback if there are new messageswm42014-06-062-2/+12
| | | | | | | | | | | | | | | | | | Listening on messages currently uses polling (every time mpv_wait_event() has no new events, the message buffer is polled and a message event is possibly created). Improve this situation a bit, and call the user-supplied wakeup callback. This will increase the frequency with which the wakeup callback is called, but the client is already supposed to be able to deal with this situation. Also, as before, calling mpv_wait_event() from the wakeup callback is forbidden, so the client can't read new messages from the callback directly. The wakeup pipe is written either. Since the wakeup pipe is created lazily, we can't access the pipe handle without creating a race condition or a deadlock. (This is actually very silly, since in practice the race condition won't matter, but for now let's keep it clean.)
* playlist: fix playlist_move on itselfwm42014-05-251-1/+4
| | | | | | | A playlist_move command that moves an entry onto itself (both arguments have the same index) should do nothing, but it did something broken. The underlying reason is that it checks the prev pointer of the entry which is temporarily removed for moving.
* atomics: switch to C11 stdatomic.hwm42014-05-211-17/+14
| | | | | | | | | | | | | | | | | | | | | | | | | In my opinion, we shouldn't use atomics at all, but ok. This switches the mpv code to use C11 stdatomic.h, and for compilers that don't support stdatomic.h yet, we emulate the subset used by mpv using the builtins commonly provided by gcc and clang. This supersedes an earlier similar attempt by Kovensky. That attempt unfortunately relied on a big copypasted freebsd header (which also depended on much more highly compiler-specific functionality, defined reserved symbols, etc.), so it had to be NIH'ed. Some issues: - C11 says default initialization of atomics "produces a valid state", but it's not sure whether the stored value is really 0. But we rely on this. - I'm pretty sure our use of the __atomic... builtins is/was incorrect. We don't use atomic load/store intrinsics, and access stuff directly. - Our wrapper actually does stricter typechecking than the stdatomic.h implementation by gcc 4.9. We make the atomic types incompatible with normal types by wrapping them into structs. (The FreeBSD wrapper does the same.) - I couldn't test on MinGW.
* encoding: No error when the output format doesn't support a stream type at all.Rudolf Polzer2014-05-161-8/+20
| | | | | | | | When writing a video to foo.mp3, the user's intention is clearly to drop the video stream, and similarly, when writing to foo-%d.png, the intention is clearly to drop the audio stream. Now, explicit specification of --no-audio or --no-video is no longer necessary in these cases.
* common: change MP_NOPTS_VALUE definitionwm42014-05-101-2/+2
| | | | | | | | | Use the exact floating point value, instead of a broken integer constant. The expression calculating the constant probably relied on undefined behavior, because it left-shifts a negative value. This also changes the type of the constant to double, which is perfectly fine, and maybe better than an integer constant.
* common: change mp_snprintf_append semanticswm42014-05-052-5/+12
| | | | | | | | Make it more suitable for chaining. This means a function formatting a value to a string using a static buffer can work exactly like mp_snprintf_append itself. Also rename it to mp_snprintf_cat, because that's shorter.
* options: remove deprecated --identifyMartin Herkt2014-05-042-11/+4
| | | | | | | Also remove MSGL_SMODE and friends. Note: The indent in options.rst was added to work around a bug in ReportLab that causes the PDF manual build to fail.
* common: add mp_snprintf_append() utility functionwm42014-04-292-0/+23
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* stream: remove interrupt callback global variableswm42014-04-251-0/+3
| | | | | | | | | | | | This used global variables for the asynchronous interrupt callback. Pick the simple and dumb solution and stuff the callback into mpv_global. Do this because interrupt checking should also work in the connect phase, and currently stream creation equates connecting. Ideally, this would be passed to the stream on creation instead, or connecting would be separated from creation. But since I don't know yet which is better, and since moving stream/demuxer into their own thread is something that will happen later, go with the mpv_global solution.
* terminal: fix printing of prefixwm42014-04-231-2/+3
| | | | This was subtly change in 5cfb18. Revert the change.
* Remove CPU detection and inline asm handlingwm42014-04-192-83/+0
| | | | | | | | | | | | | | Not needed anymore. I'm not opposed to having asm, but inline asm is too much of a pain, and it was planned long ago to eventually get rid fo all inline asm uses. For the note, the inline asm use that was removed with the previous commits was almost worthless. It was confined to video filters, and most video filtering is now done with libavfilter. Some mpv filters (like vf_pullup) actually redirect to libavfilter if possible. If asm is added in the future, it should happen in the form of external files.
* player: add a --dump-stats optionwm42014-04-173-2/+48
| | | | | | | | | | | | | | | | | | | | | | | This collects statistics and other things. The option dumps raw data into a file. A script to visualize this data is included too. Litter some of the player code with calls that generate these statistics. In general, this will be helpful to debug timing dependent issues, such as A/V sync problems. Normally, one could argue that this is the task of a real profiler, but then we'd have a hard time to include extra information like audio/video PTS differences. We could also just hardcode all statistics collection and processing in the player code, but then we'd end up with something like mplayer's status line, which was cluttered and required a centralized approach (i.e. getting the data to the status line; so it was all in mplayer.c). Some players can visualize such statistics on OSD, but that sounds even more complicated. So the approach added with this commit sounds sensible. The stats-conv.py script is rather primitive at the moment and its output is semi-ugly. It uses matplotlib, so it could probably be extended to do a lot, so it's not a dead-end.
* msg: correct ringbuffer log level comparisonFRAU KOUJIRO2014-04-171-1/+1
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* New option --no-ometadata to opt out of including metadata when encoding.Rudolf Polzer2014-04-141-1/+2
| | | | | | | This re-allows the previous behaviour of being able to reencode with metadata removed, which is useful when encoding "inconsistently" tagged data for a device/player that shows file names when tags are not present.
* mp_tags: move generic mp_tags stuff into its own .c/.h files in common/Kevin Mitchell2014-04-132-0/+91
| | | | | | rename add_metadata to the more genera/descriptive mp_tags_copy_items_from_av_dictionary Signed-off-by: wm4 <wm4@nowhere>
* player: remove ASX, SMIL and NSC playlist parserswm42014-04-136-1178/+44
| | | | | | | | | | | | | | | | | | | These playlist parsers are all what's left from the old mplayer playlist parsing code. All of it is old code that does little error checking; the type of C string parsing code that gives you nightmare. Some playlist parsers have been rewritten and are located in demux_playlist.c. The removed formats were not reimplemented. ASX and SMIL use XML, and since we don't want to depend on a full blown XML parser, this is not so easy. Possibly these formats could be supported by writing a very primitive XML-like lexer, which would lead to success with most real world files, but I haven't attempted that. As for NSC, I couldn't find any URL that worked with MPlayer, and in general this formats seems to be more than dead. Move playlist_parse_file() to playlist.c. It's pretty small now, and basically just opens a stream and a demuxer. No use keeping playlist_parser.c just for this.
* terminal: pretty print modules for --msgmoduleEvan Purkhiser2014-04-121-2/+26
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* encode_lavc: copy metadata to output fileAlessandro Ghedini2014-03-303-1/+20
| | | | | | | | Closes #684 Signed-off-by: wm4 <wm4@nowhere> Includes some minor cosmetic changes additional to the original PR.
* encode: add lockingwm42014-03-092-4/+43
| | | | | | | | | | Since the AO will run in a thread, and there's lots of shared state with encoding, we have to add locking. One case this doesn't handle correctly are the encode_lavc_available() calls in ao_lavc.c and vo_lavc.c. They don't do much (and usually only to protect against doing --ao=lavc with normal playback), and changing it would be a bit messy. So just leave them.
* encode: don't access ao->ptswm42014-03-073-0/+12
| | | | | | | | | | This field will be moved out of the ao struct. The encoding code was basically using an invalid way of accessing this field. Since the AO will be moved into its own thread too and will do its own buffering, the AO and the playback core might not even agree which sample a PTS timestamp belongs to. Add some extrapolation code to handle this case.
* common: add some helper macroswm42014-03-071-0/+3
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* msg: add --msgtime option to add timestamps to each output messagewm42014-02-281-2/+9
| | | | | | | Will be helpful to track down strange wait times and such issues, as well when you have develop something timing related. (Then you may print timestamps in your debug output, and the --msgtime timestamps will help giving context.)
* av_log: add tons of warnings against mismatched ffmpeg/libav librarieswm42014-02-101-0/+22
| | | | | | | | | | | | | Print a warning if a library has mismatched compile time and link time versions. Refuse to work if the compile time and link time versions are a mix of ffmpeg and libav. We print an error message and call exit(). Since we'd randomly crash anyway, I think this is ok. This doesn't catch the case if you e.g. use a ffmpeg libavcodec and a libav libavformat, which would of course just crash as quickly, but I think this checks enough already.
* av_log: restructure version printing codewm42014-02-101-18/+28
| | | | Makes the following commit simpler.
* options: add --no-terminal switchwm42014-02-101-13/+21
| | | | | Mostly useful for internal reasons. This code will be enabled by default if mpv is started via the client API.
* msg: clear lines by printing spaces on MS Windowswm42014-02-091-1/+7
| | | | | | | | | | | | | | | On Windows, no ANSI control sequences are available, so we can't easily clear lines, move the cursor, etc. It's yet to be decided how this should be handled (emulate ANSI escapes in osdep/terminal-win.c, or provide abstracted terminal API functions to unify the Linux and Windows code). For now, this fixes the regression that was introduced earlier by the status line rewrite. It doesn't fix all aspects of status line and terminal OSD handling, as can be clearly seen by the unconditional use of terminal_erase_to_end_of_line further down the changed code. Fixes github issue #499 (sort of).
* msg: don't clear the status line if new and previous status was emptywm42014-01-291-0/+3
| | | | | | | | | | | | | This avoids stray newlines when: 1. Some (non-status line) text was output 2. Then an empty status line is output According to the logic, 2. should print an empty line to show the blank status line. Don't do that, and instead output nothing in this case. This caused problems with mpv_identify.sh, and also looked ugly when using --quiet.
* playlist_parser: restore ASX parsing etc.wm42014-01-201-8/+8
| | | | | | This was broken yesterday: the playlist demuxer will always fall back to plaintext playlist files, which will cause the ASX playlist parser and some others never to be called.
* demux_playlist: move parser for plaintext playlistswm42014-01-191-20/+0
| | | | | This was implemented in playlist_parser.c. To make it use the improved implementation of stream_read_line(), move it to demux_playlist.c.
* msg: expose log level nameswm42014-01-163-3/+7
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* msg: add a mechanism to output messages to a ringbufferwm42014-01-162-18/+152
| | | | | | | | | | | | | | | | | | | | | | | | | Until now, mp_msg output always went to the terminal. There was no way to grab the stream of output messages. But this will be needed by various future changes: Lua scripts, slave mode, client library... This commit allows registering a ring buffer. A callback would be more straight-forward, but since msg.c sits at the bottom of the lock hierarchy (it's used by virtually everything), this would probably be a nightmare. A ring buffer will be simpler and more predictable in the long run. We allocate new memory for each ringbuffer entry, which is probably a bit expensive. We could try to be clever and somehow pack the data directly into the buffer, but I felt like this wouldn't be worth the complexity. You'd have to copy the data a bunch of times anyway. I'm hoping that we can get away with using the ringbuffer mechanism for low frequency important messages only (and not e.g. for high volume debug messages), so the cost doesn't matter that much. A ringbuffer has a simple, single log level. I considered allowing --msglevel style per-prefix configuration for each ringbuffer, but that would have been pretty complicated to implement, and wouldn't have been that useful either.
* msg: fix typo in commentwm42014-01-161-1/+1
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* msg: move special declarations to msg_control.hwm42014-01-164-13/+21
| | | | | While almost everything uses msg.h, the moved definitions are rarely needed by anything.
* msg: print module prefixes even if message contains newlineswm42014-01-161-12/+23
| | | | | | | | | | | | | | This makes mp_msg(x, y, "a\nb\n") behave the same as mp_msg(x, y, "a\n") mp_msg(x, y, "b\n") which is probably what one would expect. Before this commit, the "b" line didn't have a prefix when using ths single mp_msg call.
* msg: update commentwm42014-01-151-1/+1
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* msg: terminal OSD uses stderr, not stdoutwm42014-01-151-1/+1
| | | | | | This is more correct. E.g. if you do "mpv file.mkv > /dev/null", stdout will not be a terminal, but stderr (used by terminal OSD and status line) is.
* msg: don't clear term OSD lines that are not usedwm42014-01-141-3/+5
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* msg: fix printing of module headerwm42014-01-141-1/+2
| | | | | The code to set root->header was moved before the point where it's used, which broke the logic.
* player: redo terminal OSD and status line handlingwm42014-01-132-14/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The terminal OSD code includes the handling of the terminal status line, showing player OSD messages on the terminal, and showing subtitles on terminal (the latter two only if there is no video window, or if terminal OSD is forced). This didn't handle some corner cases correctly. For example, showing an OSD message on the terminal always cleared the previous line, even if the line was an important message (or even just the command prompt, if most other messages were silenced). Attempt to handle this correctly by keeping track of how many lines the terminal OSD currently consists of. Since there could be race conditions with other messages being printed, implement this in msg.c. Now msg.c expects that MSGL_STATUS messages rewrite the status line, so the caller is forced to use a single mp_msg() call to set the status line. Instead of littering print_status() all over the place, update the status only once per playloop iteration in update_osd_msg(). In audio- only mode, the status line might now be a little bit off, but it's perhaps ok. Print the status line only if it has changed, or if another message was printed. This might help with extremely slow terminals, although in audio+video mode, it'll still be updated very often (A-V sync display changes on every frame). Instead of hardcoding the terminal sequences, use terminfo/termcap to get the sequences. Remove the --term-osd-esc option, which allowed to override the hardcoded escapes - it's useless now. The fallback for terminals with no escape sequences for moving the cursor and clearing a line is removed. This somewhat breaks status line display on these terminals, including the MS Windows console: instead of querying the terminal size and clearing the line manually by padding the output with spaces, the line is simply not cleared. I don't expect this to be a problem on UNIX, and on MS Windows we could emulate escape sequences. Note that terminal OSD (other than the status line) was broken anyway on these terminals. In osd.c, the function get_term_width() is not used anymore, so remove it. To remind us that the MS Windows console apparently adds a line break when writint the last column, adjust screen_width in terminal- win.c accordingly.
* Factor out setting AVCodecContext extradatawm42014-01-112-10/+15
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* common: drop mp_append_utf8_buffer()wm42013-12-302-13/+2
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* common: simplify and optimize string escape parsingwm42013-12-302-5/+76
| | | | | | | | | | | This code is shared between input.conf parser and option parser. Until now, the performance didn't really matter. But I want to use this code for JSON parsing too, and since JSON will have to be parsed a lot, it should probably try to avoid realloc'ing too much. This commit moves parsing of C-style escaped strings into a common function, and allows using it in a way realloc can be completely avoided, if the already allocated buffer is large enough.
* asxparser: remove commented codewm42013-12-221-12/+0
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* Don't include version.h from make options.cwm42013-12-222-4/+4
| | | | | | | | | I find this annoying. It's the reason common/version.c exists at all. options.c did this for the user agent, which contains the version number. Because not including version.h means you can't build the user agent and use it in mp_default_opts anymore, do something rather awkward in main.c to initialize the default user agent.
* msg: add some comments about thread-safetywm42013-12-221-0/+6
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* msg: remove global statewm42013-12-213-59/+58
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* msg: don't prefix slave-mode stuff by defaultwm42013-12-211-1/+1
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* msg: rename mp_msg_log -> mp_msgwm42013-12-216-31/+31
| | | | Same for companion functions.
* msg: convert defines to enumwm42013-12-213-26/+27
| | | | Also get rid of MSGL_HINT and the many MSGL_DBG* levels.
* msg: remove legacy stuffwm42013-12-212-142/+3
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* cpudetect: remove mp_msg callswm42013-12-211-13/+0
| | | | Worthless anyway.
* stream: mp_msg conversionswm42013-12-212-6/+5
| | | | We also drop some slave mode stuff from stream_vcd.
* demux: mp_msg conversionswm42013-12-211