Support 4:2:2 v210 (10-bit) output for DeckLink.

[nageru] / mixer.cpp

diff --git a/mixer.cpp b/mixer.cpp
index 8e5b25996722d46a2a66805b6c112e107136401e..25fa3e40d70723e12e4fa5a54b69628a0f49ed7c 100644 (file)
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -305,6 +305,13 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards)
                v210_converter->precompile_shader(3840);
                v210_converter->precompile_shader(4096);
        }
+       if (global_flags.ten_bit_output) {
+               if (!v210Converter::has_hardware_support()) {
+                       fprintf(stderr, "ERROR: --ten-bit-output requires support for OpenGL compute shaders\n");
+                       fprintf(stderr, "       (OpenGL 4.3, or GL_ARB_compute_shader + GL_ARB_shader_image_load_store).\n");
+                       exit(1);
+               }
+       }
 
        timecode_renderer.reset(new TimecodeRenderer(resource_pool.get(), global_flags.width, global_flags.height));
        display_timecode_in_stream = global_flags.display_timecode_in_stream;