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161 commits

Author SHA1 Message Date
Robin Gareus
a80064981e
NO-OP: Consolidate PortConnect code into shared parent class 2020-09-05 23:05:57 +02:00
Robin Gareus
92f54b3e98
Add API to query if systemic latency can be measured 2020-06-30 03:34:26 +02:00
Robin Gareus
09aa0a3d1a
Consolidate code using pthread_attr_setstacksize 
This also adds some stack constraint to rt and fallback threads
that didn't have those before (ALSA MIDI for example)
 2020-06-06 18:35:44 +02:00
Robin Gareus
3d166c7789
Consolidate stack-size and priority of rt-threads 2020-04-23 01:28:58 +02:00
Paul Davis
78a66b7180 improved port cleanup as backend is destroyed 2020-04-07 23:26:51 -06:00
Paul Davis
32734ce53c fix portaudio backend to use shared_ptr 2020-04-07 16:00:22 -06:00
Paul Davis
b9cb306e8b use shared_ptr to manage backend port lifetimes (Pulse,ALSA,Dummy,JACK) 
JACK is not yet finished.

Changes also include minor reformatting and a spelling correction (latecies to latencies)
 2020-04-07 13:23:49 -06:00
Paul Davis
6a6b3f2703 fix another iterator type 2020-04-02 19:45:31 -06:00
Paul Davis
cb4997f4a4 fix iterator type 2020-04-02 19:45:31 -06:00
Paul Davis
af69ac1285 use clear_ports() 2020-04-02 19:45:31 -06:00
Paul Davis
6cdc245967 fix header name 2020-04-02 19:45:31 -06:00
Paul Davis
7fc5a6c971 initial try (not compiled) of PortAudio backend using PortEngineSharedImpl 2020-04-02 19:45:31 -06:00
Robin Gareus
a8ff35accb
Reset DSP load on backend re-start and after freewheeling 2020-03-30 16:58:55 +02:00
Robin Gareus
e0d5c1426c
NO-OP: fix some Wimplicit-fallthrough 
gcc can recognize various regexps in comments. Since C++17 provides
[[fallthrough]], using /* fallthrough */ consistently seems
appropriate until we switch to C++17.

see also https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
 2019-09-18 17:37:54 +02:00
Robin Gareus
47a62b2850
Update backend GPL boilerplate and (C) from git log 2019-08-03 15:53:16 +02:00
Robin Gareus
076e9fddd4
Remove ambiguous API implementation 
* PortEngine::available() implementation
* AudioEngine::connected() wrapper

Eventually we may re-introduce PortEngine::available along
with a libardour internal port-engine.
 2018-11-28 15:32:40 +01:00
Robin Gareus
070f370e40 Fix copy/edit in e047b01aa2 2018-10-18 15:07:45 +02:00
Paul Davis
e047b01aa2 add new API for retrieving port flags from backend 2018-10-17 14:11:37 -04:00
Robin Gareus
e39a8b90d9 amend ab3889ff: portaudio backend uses a vector for connections 2017-09-23 01:06:10 +02:00
Robin Gareus
ab3889fff8 Propagate Latency to backend/system ports 
Set accumulated capture-latency for physical-outputs
and accumulated playback-latency for physical-inputs
after Ardour is done setting all non-physical port latencies.

This will be needed for latency-compensation of the complete graph.
 2017-09-23 00:34:01 +02:00
Paul Davis
30b087ab3d globally change all use of "frame" to refer to audio into "sample". 
Generated by tools/f2s. Some hand-editing will be required in a few places to fix up comments related to timecode
and video in order to keep the legible
 2017-09-18 12:39:17 -04:00
Robin Gareus
7258c6334d Namespace PBD::RingBuffer 
class RingBuffer<> is a very generic name and should not pollute the
global namespace.
 2017-09-16 16:37:29 +02:00
Robin Gareus
467c801ce8 Abstract definition of rt-scheduler policy 
pthread-w32 does not support pthread_setschedparam() with
SCHED_FIFO and bails out. While pthread_create() simply ignores the policy
and sets the priority regadless.

This only affects ctrl-surface event-loops & AutomationWatch on Windows.
 2017-08-29 20:35:36 +02:00
Robin Gareus
df659e91f1 Consolidate _realtime_pthread_create() into libpbd. 2017-08-29 17:25:23 +02:00
Robin Gareus
26dc287c00 Fix non-buffered PA backend. Wait for backend to become active 
This hopefully fixes an issue with port-registration (new session)
being skipped because PortAudioBackend::available() still false
until the first callback.
 2017-08-07 23:23:39 +02:00
Robin Gareus
fd6377a5af PortAudio: skip process callbacks until ports are established 2017-08-07 19:27:37 +02:00
Robin Gareus
fde07d4f4f amend bc46a7e2e9; fix blind coding typos 2017-08-05 16:17:31 +02:00
Robin Gareus
bc46a7e2e9 PortAudio backend RT-safe MIDI buffer allocation 2017-08-05 15:36:36 +02:00
Robin Gareus
2b7c585dba Update backend API: read-only MIDI input buffers 2017-08-05 15:36:36 +02:00
Robin Gareus
c125cd2647 Reduce DSP thread priority (main-i/o > midi i/o > computation) 2017-08-05 01:28:11 +02:00
Robin Gareus
6b5d374352 Some more assert() debugging 2017-08-03 23:46:05 +02:00
Robin Gareus
f9db9bf5fd Retain order of concurrent MIDI events 
This fixes an issue with FaderPort8 (and maybe other surfaces or synths).
 2017-04-08 23:43:50 +02:00
Robin Gareus
9bf4f339b9 revert 335debfa for the PA backend 
The same device may have different names for input + output
 2016-11-27 00:42:08 +01:00
Robin Gareus
335debfa2f Add API to enforce valid device selection. 2016-11-26 15:31:21 +01:00
Tim Mayberry
d10913e2de Fix intermittent hang when stopping PortaudioBackend 
This issue is not always reproducible but when it does occur it happens
somewhat consistently on both 32bit and 64bit builds(Tested on Windows 7).

The midiOutReset call does not return (or it takes so long that it might as
well be indefinite) and as it is not strictly necessary just remove it.

Resolves: http://tracker.ardour.org/view.php?id=7095
 2016-11-15 09:36:52 +10:00
Tim Mayberry
8b5fad0cf9 Use better debug output in PortaudioBackend 
When failing to open audio stream in callback mode
 2016-11-10 15:23:43 +10:00
Paul Davis
cf52d6e4b4 enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h 2016-07-14 14:45:23 -04:00
Robin Gareus
d8ac5eddf7 add missing include 2016-05-06 21:25:21 +02:00
Robin Gareus
514da9881d convert WinMME Device names to UTF-8 2016-05-06 20:59:24 +02:00
Robin Gareus
9840a11537 implement metadata-set for remaining backends 2016-04-18 00:35:51 +02:00
Robin Gareus
ba78359129 prepare for update to waf 1.8 
uselib is no longer implicit (inherited by .use). This is still incomplete,
some uselibs for non-linux variants may be missing.

bld.is_defined("HAVE_XXX") also no longer works and will have to be
changed (I think to bld.env["HAVE_XXX"]) in countless places.
 2016-02-28 21:16:44 +01:00
Robin Gareus
9472200727 fix hang at exit (after freewheeling) with PA-nonblocking backend 2016-02-27 00:50:02 +01:00
Tim Mayberry
148f2ab8e5 Add debugging output for WinMME midi device names 2016-02-11 12:15:07 +10:00
Tim Mayberry
1499cd8670 Only build one version of the Portaudio backend that supports both blocking and callback API 2016-02-11 12:15:07 +10:00
Tim Mayberry
830db39585 Implement new AudioBackend API in PA backend to choose between callback and blocking API 2016-02-11 12:15:07 +10:00
Tim Mayberry
d50a821374 Add a missing include from portaudio WINMME source file 
Apparently this is now required by my version of gcc/mingw
 2016-02-11 12:15:07 +10:00
Tim Mayberry
b2cf028fcb Implement MIDI device enumeration and latency offset/calibration in portaudio backend 2016-02-11 12:15:07 +10:00
Robin Gareus
b67892833b ship both blocking and callback PA backends (for debug purposes) 
this just works (no symbol conflicts)
 2015-12-21 22:12:15 +01:00
Robin Gareus
fe0802169c standardize port-names 2015-12-08 15:32:05 +01:00
Robin Gareus
1372407f82 fix previous commit. 2015-12-08 00:52:06 +01:00