[FFmpeg-devel] [PATCH] doc/examples/vaapi_transcode: fix null framerate

[jianfeng.zheng]

When framerate in codec layer is null, guess from stream.

Signed-off-by: jianfeng.zheng <jianfeng.zheng at mthreads.com>
---
 doc/examples/vaapi_transcode.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/examples/vaapi_transcode.c b/doc/examples/vaapi_transcode.c
index 8367cb3040..cdcc4e263a 100644
--- a/doc/examples/vaapi_transcode.c
+++ b/doc/examples/vaapi_transcode.c
@@ -103,6 +103,10 @@ static int open_input_file(const char *filename)
         fprintf(stderr, "Failed to open codec for decoding. Error code: %s\n",
                 av_err2str(ret));
 
+    if (decoder_ctx->framerate.num == 0 &&
+			video->r_frame_rate.num > 0 && video->r_frame_rate.den > 0)
+        decoder_ctx->framerate = video->r_frame_rate;
+
     return ret;
 }
 
-- 
2.25.1