[FFmpeg-cvslog] doc/examples/qsv_transcode: EINVAL is more appropriate and ENAVAIL will fail build with visual studio

[hung kuishing]

ffmpeg | branch: master | hung kuishing <hungkuishing at outlook.com> | Thu Dec  7 06:44:06 2023 +0000| [6d129d8df5a3d8172a9565709a0b4ad4c86a8b52] | committer: Haihao Xiang

doc/examples/qsv_transcode: EINVAL is more appropriate and ENAVAIL will fail build with visual studio

Signed-off-by: clarkh <hungkuishing at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6d129d8df5a3d8172a9565709a0b4ad4c86a8b52
---

 doc/examples/qsv_transcode.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/doc/examples/qsv_transcode.c b/doc/examples/qsv_transcode.c
index 48128b200c..972126800b 100644
--- a/doc/examples/qsv_transcode.c
+++ b/doc/examples/qsv_transcode.c
@@ -62,10 +62,10 @@ static int str_to_dict(char* optstr, AVDictionary **opt)
         return 0;
     key = strtok(optstr, " ");
     if (key == NULL)
-        return AVERROR(ENAVAIL);
+        return AVERROR(EINVAL);
     value = strtok(NULL, " ");
     if (value == NULL)
-        return AVERROR(ENAVAIL);
+        return AVERROR(EINVAL);
     av_dict_set(opt, key, value, 0);
     do {
         key = strtok(NULL, " ");
@@ -73,7 +73,7 @@ static int str_to_dict(char* optstr, AVDictionary **opt)
             return 0;
         value = strtok(NULL, " ");
         if (value == NULL)
-            return AVERROR(ENAVAIL);
+            return AVERROR(EINVAL);
         av_dict_set(opt, key, value, 0);
     } while(key != NULL);
     return 0;
@@ -181,7 +181,7 @@ static int open_input_file(char *filename)
         break;
     default:
         fprintf(stderr, "Codec is not supportted by qsv\n");
-        return AVERROR(ENAVAIL);
+        return AVERROR(EINVAL);
     }
 
     if (!(decoder_ctx = avcodec_alloc_context3(decoder)))