avcodec/dvbsubdec: make compute_edt user settable

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 1 deletions

diff --git a/ffmpeg.c b/ffmpeg.c
index ff7961f356..8bca9e76a6 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2298,7 +2298,7 @@ static int init_input_stream(int ist_index, char *error, int error_len)
 
         av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
         if(ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
-            av_dict_set(&ist->decoder_opts, "compute_edt", "1", 0);
+            av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
 
         if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
             av_dict_set(&ist->decoder_opts, "threads", "auto", 0);