[FFmpeg-devel] [PATCH 3/4] lavc/utils: avcodec_string: dump field order when known

[Rodger Combs]

---
 libavcodec/utils.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 6f4df93..a0931c6 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -3228,6 +3228,21 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
                                 av_get_colorspace_name(enc->colorspace));
             }
 
+            if (enc->field_order != AV_FIELD_UNKNOWN) {
+                const char *field_order = "progressive";
+                if (enc->field_order == AV_FIELD_TT)
+                    field_order = "top first";
+                else if (enc->field_order == AV_FIELD_BB)
+                    field_order = "bottom first";
+                else if (enc->field_order == AV_FIELD_TB)
+                    field_order = "top coded first, swapped";
+                else if (enc->field_order == AV_FIELD_BT)
+                    field_order = "bottom coded first, swapped";
+
+                av_strlcatf(detail, sizeof(detail), "%s, ", field_order);
+            }
+
+
             if (av_log_get_level() >= AV_LOG_DEBUG &&
                 enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
                 av_strlcatf(detail, sizeof(detail), "%s, ",
-- 
2.10.0