diff options
| -rw-r--r-- | clutter-gst/clutter-gst-video-sink.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/clutter-gst/clutter-gst-video-sink.c b/clutter-gst/clutter-gst-video-sink.c index c40e6e9..d57a6c8 100644 --- a/clutter-gst/clutter-gst-video-sink.c +++ b/clutter-gst/clutter-gst-video-sink.c @@ -400,12 +400,12 @@ add_layer_cache_entry (ClutterGstVideoSink *sink, default_source = g_strdup_printf (" cogl_layer *= clutter_gst_sample_video%i " - "(cogl_tex_coord%i_in.st);\n", + "(cogl_tex_coord%i_in.st * clutter_gst_transform);\n", priv->video_start, priv->video_start); entry->default_sample_snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_LAYER_FRAGMENT, - NULL, /* declarations */ + "uniform mat2 clutter_gst_transform;\n", default_source); g_free (default_source); @@ -966,6 +966,30 @@ clutter_gst_video_sink_setup_conversions (ClutterGstVideoSink *sink, cogl_pipeline_add_snippet (pipeline, entry->fragment_snippet); } +/* Transformation for cropped videos */ + +static void +clutter_gst_video_sink_setup_transformation (ClutterGstVideoSink *sink, + CoglPipeline *pipeline) +{ + ClutterGstVideoSinkPrivate *priv = sink->priv; + float transform[] = { 1.0, 0.0, + 0.0, 1.0 }; + gint transform_location; + + if (priv->frame[0] != NULL) + { + transform[0] = (float) GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 0) / + (float) cogl_texture_get_width (priv->frame[0]); + transform[3] = (float) GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 0) / + (float) cogl_texture_get_height (priv->frame[0]); + } + transform_location = + cogl_pipeline_get_uniform_location (pipeline, "clutter_gst_transform"); + cogl_pipeline_set_uniform_matrix (pipeline, transform_location, + 2, 1, FALSE, transform); +} + /**/ static gboolean @@ -2625,6 +2649,7 @@ clutter_gst_video_sink_setup_pipeline (ClutterGstVideoSink *sink, { clutter_gst_video_sink_setup_conversions (sink, pipeline); clutter_gst_video_sink_setup_balance (sink, pipeline); + clutter_gst_video_sink_setup_transformation (sink, pipeline); priv->renderer->setup_pipeline (sink, pipeline); } } |