Double up on DCP-decode prepare threads and readahead as I think it provides a slight... v2.13.66
authorCarl Hetherington <cth@carlh.net>
Tue, 6 Nov 2018 02:15:38 +0000 (02:15 +0000)
committerCarl Hetherington <cth@carlh.net>
Tue, 6 Nov 2018 02:15:38 +0000 (02:15 +0000)
src/lib/butler.cc

index d50c461..018334c 100644 (file)
@@ -43,7 +43,7 @@ using boost::optional;
 /** Minimum video readahead in frames */
 #define MINIMUM_VIDEO_READAHEAD 10
 /** Maximum video readahead in frames; should never be reached unless there are bugs in Player */
-#define MAXIMUM_VIDEO_READAHEAD 24
+#define MAXIMUM_VIDEO_READAHEAD 48
 /** Minimum audio readahead in frames */
 #define MINIMUM_AUDIO_READAHEAD (48000 * MINIMUM_VIDEO_READAHEAD / 24)
 /** Minimum audio readahead in frames; should never be reached unless there are bugs in Player */
@@ -79,10 +79,10 @@ Butler::Butler (shared_ptr<Player> player, shared_ptr<Log> log, AudioMapping aud
        */
 
        if (_log) {
-               LOG_TIMING("start-prepare-threads %1", boost::thread::hardware_concurrency());
+               LOG_TIMING("start-prepare-threads %1", boost::thread::hardware_concurrency() * 2);
        }
 
-       for (size_t i = 0; i < boost::thread::hardware_concurrency(); ++i) {
+       for (size_t i = 0; i < boost::thread::hardware_concurrency() * 2; ++i) {
                _prepare_pool.create_thread (bind (&boost::asio::io_service::run, &_prepare_service));
        }
 }