From 34f942c6c41f1560800ab64d0da07726dac5f52a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Mon, 31 Dec 2018 18:34:14 +0100
Subject: [PATCH] avcodec/assenc: Return more specific error codes for
 ass_encode_frame()

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/assenc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/assenc.c b/libavcodec/assenc.c
index dc4f0ffa97..e54c1d8ec3 100644
--- a/libavcodec/assenc.c
+++ b/libavcodec/assenc.c
@@ -57,7 +57,7 @@ static int ass_encode_frame(AVCodecContext *avctx,
 
         if (sub->rects[i]->type != SUBTITLE_ASS) {
             av_log(avctx, AV_LOG_ERROR, "Only SUBTITLE_ASS type supported.\n");
-            return -1;
+            return AVERROR(EINVAL);
         }
 
 #if FF_API_ASS_TIMING
@@ -93,7 +93,7 @@ static int ass_encode_frame(AVCodecContext *avctx,
 
         if (len > bufsize-total_len-1) {
             av_log(avctx, AV_LOG_ERROR, "Buffer too small for ASS event.\n");
-            return -1;
+            return AVERROR(EINVAL);
         }
 
         total_len += len;