[FFmpeg-devel] [PATCH] lavc/mpegvideo_enc: allow to force low_delay by increasing strict_std_compliance

[Stefano Sabatini]

Forcing low_delay can be useful, even if not officially supported.
---
 libavcodec/mpegvideo_enc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index db241c8..1123788 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -671,9 +671,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
 
     if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY) {
-        if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
+        if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO &&
+            s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
             av_log(avctx, AV_LOG_ERROR,
-                  "low delay forcing is only available for mpeg2\n");
+                  "low delay forcing is only available for mpeg2, increase strict_std_compliance to force it\n");
             return -1;
         }
         if (s->max_b_frames != 0) {
-- 
1.9.1