avcodec/v4l2m2m: fix error handling during buffer init

Signed-off-by: Jorge Ramirez-Ortiz <jramirez@baylibre.com>
Signed-off-by: Aman Gupta <aman@tmm1.net>

1 files changed, 7 insertions, 2 deletions

diff --git a/libavcodec/v4l2_m2m_dec.c b/libavcodec/v4l2_m2m_dec.c
index d0601f0e2f..6f31772f4c 100644
--- a/libavcodec/v4l2_m2m_dec.c
+++ b/libavcodec/v4l2_m2m_dec.c
@@ -86,8 +86,8 @@ static int v4l2_try_start(AVCodecContext *avctx)
     if (!capture->buffers) {
         ret = ff_v4l2_context_init(capture);
         if (ret) {
-            av_log(avctx, AV_LOG_DEBUG, "can't request output buffers\n");
-            return ret;
+            av_log(avctx, AV_LOG_ERROR, "can't request capture buffers\n");
+            return AVERROR(ENOMEM);
         }
     }
 
@@ -151,6 +151,11 @@ static int v4l2_receive_frame(AVCodecContext *avctx, AVFrame *frame)
         ret = v4l2_try_start(avctx);
         if (ret) {
             av_packet_unref(&avpkt);
+
+            /* cant recover */
+            if (ret == AVERROR(ENOMEM))
+                return ret;
+
             return 0;
         }
     }