Manual tweaks.
[dcpomatic.git] / src / lib / butler.h
index ac83cecec7ebedff3afacaee84b9a9834c1e5455..c7e71658da25889107d033147e62b16897f92f4d 100644 (file)
@@ -18,6 +18,7 @@
 
 */
 
+
 #include "audio_mapping.h"
 #include "audio_ring_buffers.h"
 #include "change_signaller.h"
 #include <boost/thread.hpp>
 #include <boost/thread/condition.hpp>
 
+
 class Player;
 class PlayerVideo;
 
+
 class Butler : public ExceptionStore
 {
 public:
@@ -40,10 +43,11 @@ public:
                std::shared_ptr<Player> player,
                AudioMapping map,
                int audio_channels,
-               boost::function<AVPixelFormat (AVPixelFormat)> pixel_format,
+               std::function<AVPixelFormat (AVPixelFormat)> pixel_format,
                VideoRange video_range,
-               bool aligned,
-               bool fast
+               Image::Alignment alignment,
+               bool fast,
+               bool prepare_only_proxy
                );
 
        ~Butler ();
@@ -55,25 +59,26 @@ public:
 
        class Error {
        public:
-               enum Code{
+               enum class Code {
                        NONE,
                        AGAIN,
                        DIED,
                        FINISHED
                };
 
-               Error()
-                       : code (NONE)
-               {}
-
-               Code code;
+               Code code = Code::NONE;
                std::string message;
 
                std::string summary () const;
        };
 
-       std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> get_video (bool blocking, Error* e = 0);
-       boost::optional<dcpomatic::DCPTime> get_audio (float* out, Frame frames);
+       enum class Behaviour {
+               BLOCKING,
+               NON_BLOCKING
+       };
+
+       std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> get_video (Behaviour behaviour, Error* e = nullptr);
+       boost::optional<dcpomatic::DCPTime> get_audio (Behaviour behaviour, float* out, Frame frames);
        boost::optional<TextRingBuffers::Data> get_closed_caption ();
 
        void disable_audio ();
@@ -119,11 +124,19 @@ private:
 
        bool _disable_audio;
 
-       boost::function<AVPixelFormat (AVPixelFormat)> _pixel_format;
+       std::function<AVPixelFormat (AVPixelFormat)> _pixel_format;
        VideoRange _video_range;
-       bool _aligned;
+       Image::Alignment _alignment;
        bool _fast;
 
+       /** true to ask PlayerVideo::prepare to only prepare the ImageProxy and not also
+        *  the final image.  We want to do this when the viewer is intending to call
+        *  PlayerVideo::raw_image() and do the things in PlayerVideo::make_imgae() itself:
+        *  this is the case for the GLVideoView which can do scale, pixfmt conversion etc.
+        *  in the shader.
+        */
+       bool _prepare_only_proxy = false;
+
        /** If we are waiting to be refilled following a seek, this is the time we were
            seeking to.
        */