[FFmpeg-devel] [PATCH v5 4/4] lavc/libdavs2: fix wrong return value

[hwren]

Signed-off-by: hwren <hwrenx at 126.com>
---
 libavcodec/libdavs2.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/libavcodec/libdavs2.c b/libavcodec/libdavs2.c
index 3e59d41..6e4bd50 100644
--- a/libavcodec/libdavs2.c
+++ b/libavcodec/libdavs2.c
@@ -147,15 +147,17 @@ static int davs2_decode_frame(AVCodecContext *avctx, void *data,
     if (!buf_size) {
         ret = davs2_decoder_flush(cad->decoder, &cad->headerset, &cad->out_frame);
         if (ret == DAVS2_END) {
-            return 0;
+            ret = 0;
         } else if (ret == DAVS2_GOT_FRAME) {
-            *got_frame = davs2_dump_frames(avctx, &cad->out_frame, &cad->headerset, ret, frame);
+            ret = davs2_dump_frames(avctx, &cad->out_frame, &cad->headerset, ret, frame);
             davs2_decoder_frame_unref(cad->decoder, &cad->out_frame);
-            return ret;
+            if (ret == 0 || ret == 1) {
+                *got_frame = ret;
+            }
         } else {
-            av_log(avctx, AV_LOG_ERROR, "Decoder error: dump frames failed\n");
-            return AVERROR_EXTERNAL;
+            av_log(avctx, AV_LOG_ERROR, "Decoder error: flush frames failed\n");
         }
+        return ret;
     }
 
     cad->packet.data = buf_ptr;
@@ -174,8 +176,14 @@ static int davs2_decode_frame(AVCodecContext *avctx, void *data,
     ret = davs2_decoder_recv_frame(cad->decoder, &cad->headerset, &cad->out_frame);
 
     if (ret != DAVS2_DEFAULT) {
-        *got_frame = davs2_dump_frames(avctx, &cad->out_frame, &cad->headerset, ret, frame);
+        ret = davs2_dump_frames(avctx, &cad->out_frame, &cad->headerset, ret, frame);
         davs2_decoder_frame_unref(cad->decoder, &cad->out_frame);
+        if (ret == 0 || ret == 1) {
+            *got_frame = ret;
+        } else {
+            av_log(avctx, AV_LOG_ERROR, "Decoder error: dump frames failed\n");
+            return ret;
+        }
     }
 
     return buf_size;
-- 
2.7.4