X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fbutler.cc;h=5a8e646aa4635556fca90f8791f23e46b6468a9e;hb=c269ebfdae53a2f5c5e9acc6f6588ebb47eeac9d;hp=37e8c95443021e3c7d70c174e3839f12fbcb24fa;hpb=0a1aa72f11b7d5109caaa5d3ae0068e18dea6b56;p=dcpomatic.git diff --git a/src/lib/butler.cc b/src/lib/butler.cc index 37e8c9544..5a8e646aa 100644 --- a/src/lib/butler.cc +++ b/src/lib/butler.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2016-2020 Carl Hetherington + Copyright (C) 2016-2021 Carl Hetherington This file is part of DCP-o-matic. @@ -18,6 +18,7 @@ */ + #include "butler.h" #include "player.h" #include "util.h" @@ -37,12 +38,13 @@ using std::weak_ptr; using std::shared_ptr; using boost::bind; using boost::optional; -using boost::function; +using std::function; using namespace dcpomatic; #if BOOST_VERSION >= 106100 using namespace boost::placeholders; #endif + /** Minimum video readahead in frames */ #define MINIMUM_VIDEO_READAHEAD 10 /** Maximum video readahead in frames; should never be exceeded (by much) unless there are bugs in Player */ @@ -52,6 +54,7 @@ using namespace boost::placeholders; /** Maximum audio readahead in frames; should never be exceeded (by much) unless there are bugs in Player */ #define MAXIMUM_AUDIO_READAHEAD (48000 * MAXIMUM_VIDEO_READAHEAD / 24) + /** @param pixel_format Pixel format functor that will be used when calling ::image on PlayerVideos coming out of this * butler. This will be used (where possible) to prepare the PlayerVideos so that calling image() on them is quick. * @param aligned Same as above for the `aligned' flag. @@ -69,7 +72,7 @@ Butler::Butler ( ) : _film (film) , _player (player) - , _prepare_work (new boost::asio::io_service::work (_prepare_service)) + , _prepare_work (new boost::asio::io_service::work(_prepare_service)) , _pending_seek_accurate (false) , _suspended (0) , _finished (false) @@ -106,6 +109,7 @@ Butler::Butler ( } } + Butler::~Butler () { boost::this_thread::disable_interruption dis; @@ -175,10 +179,13 @@ Butler::should_run () const return (_video.size() < MAXIMUM_VIDEO_READAHEAD) && (_audio.size() < MAXIMUM_AUDIO_READAHEAD); } + void Butler::thread () try { + start_of_thread ("Butler"); + while (true) { boost::mutex::scoped_lock lm (_mutex); @@ -228,6 +235,7 @@ try _arrived.notify_all (); } + /** @param blocking true if we should block until video is available. If blocking is false * and no video is immediately available the method will return a 0 PlayerVideo and the error AGAIN. * @param e if non-0 this is filled with an error code (if an error occurs) or is untouched if no error occurs. @@ -270,6 +278,7 @@ Butler::get_video (bool blocking, Error* e) return r; } + optional Butler::get_closed_caption () { @@ -277,6 +286,7 @@ Butler::get_closed_caption () return _closed_caption.get (); } + void Butler::seek (DCPTime position, bool accurate) { @@ -285,6 +295,7 @@ Butler::seek (DCPTime position, bool accurate) seek_unlocked (position, accurate); } + void Butler::seek_unlocked (DCPTime position, bool accurate) { @@ -303,6 +314,7 @@ Butler::seek_unlocked (DCPTime position, bool accurate) _summon.notify_all (); } + void Butler::prepare (weak_ptr weak_video) try @@ -329,6 +341,7 @@ catch (...) _died = true; } + void Butler::video (shared_ptr video, DCPTime time) { @@ -339,11 +352,12 @@ Butler::video (shared_ptr video, DCPTime time) return; } - _prepare_service.post (bind (&Butler::prepare, this, weak_ptr(video))); + _prepare_service.post (bind(&Butler::prepare, this, weak_ptr(video))); _video.put (video, time); } + void Butler::audio (shared_ptr audio, DCPTime time, int frame_rate) { @@ -353,9 +367,10 @@ Butler::audio (shared_ptr audio, DCPTime time, int frame_rate) return; } - _audio.put (remap (audio, _audio_channels, _audio_mapping), time, frame_rate); + _audio.put (remap(audio, _audio_channels, _audio_mapping), time, frame_rate); } + /** Try to get `frames' frames of audio and copy it into `out'. Silence * will be filled if no audio is available. * @return time of this audio, or unset if there was a buffer underrun. @@ -368,6 +383,7 @@ Butler::get_audio (float* out, Frame frames) return t; } + void Butler::disable_audio () { @@ -375,6 +391,7 @@ Butler::disable_audio () _disable_audio = true; } + pair Butler::memory_used () const { @@ -382,6 +399,7 @@ Butler::memory_used () const return _video.memory_used(); } + void Butler::player_change (ChangeType type, int property) { @@ -428,6 +446,7 @@ Butler::player_change (ChangeType type, int property) _summon.notify_all (); } + void Butler::text (PlayerText pt, TextType type, optional track, DCPTimePeriod period) { @@ -440,6 +459,7 @@ Butler::text (PlayerText pt, TextType type, optional track, DCPTim _closed_caption.put (pt, *track, period); } + string Butler::Error::summary () const {