img_format: add mp_regular_imgfmt.forced_csp field

As the code comment says, this is needed to disambiguate FFmpeg formats.
This struct only describes the "physical" layout of a format, while
FFmpeg also attaches part of the colorspace information to the format.

1 files changed, 5 insertions, 0 deletions

diff --git a/video/img_format.h b/video/img_format.h
index 39d0a4bdad..5f097d43ff 100644
--- a/video/img_format.h
+++ b/video/img_format.h
@@ -125,6 +125,11 @@ struct mp_regular_imgfmt {
     // Type of each component.
     enum mp_component_type component_type;
 
+    // See mp_imgfmt_get_forced_csp(). Normally code should use
+    // mp_image_params.colors. This field is only needed to map the format
+    // unambiguously to FFmpeg formats.
+    enum mp_csp forced_csp;
+
     // Size of each component in bytes.
     uint8_t component_size;