[FFmpeg-devel] [PATCH 13/36] fftools/ffmpeg_filter: try configuring graphs from input EOF

Anton Khirnov anton at khirnov.net
Wed May 17 13:20:06 EEST 2023


When a filtergraph input receives EOF but never saw any input frames, we
use the fallback parameters. Currently an attempt to actually configure
the filtergraph will happen elsewhere, but there is no reason to
postpone this.
---
 fftools/ffmpeg_filter.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
index 8eca0f2cae..6323278d15 100644
--- a/fftools/ffmpeg_filter.c
+++ b/fftools/ffmpeg_filter.c
@@ -1533,6 +1533,14 @@ int ifilter_send_eof(InputFilter *ifilter, int64_t pts, AVRational tb)
                                          &ifp->fallback.ch_layout);
             if (ret < 0)
                 return ret;
+
+            if (ifilter_has_all_input_formats(ifilter->graph)) {
+                ret = configure_filtergraph(ifilter->graph);
+                if (ret < 0) {
+                    av_log(NULL, AV_LOG_ERROR, "Error initializing filters!\n");
+                    return ret;
+                }
+            }
         }
 
         if (ifilter->format < 0 && (ifilter->type == AVMEDIA_TYPE_AUDIO || ifilter->type == AVMEDIA_TYPE_VIDEO)) {
-- 
2.39.2



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