[FFmpeg-devel] [PATCH 9/9] ffmpeg: drop obsolete rotation API remnants

Anton Khirnov anton at khirnov.net
Mon Nov 15 17:24:00 EET 2021


No demuxers export the "rotate" metadata tag anymore.
---
 fftools/ffmpeg.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index c0ab78608a..d1904c20d4 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -3361,11 +3361,6 @@ static int init_output_stream_encode(OutputStream *ost, AVFrame *frame)
 
     set_encoder_id(output_files[ost->file_index], ost);
 
-    // Muxers use AV_PKT_DATA_DISPLAYMATRIX to signal rotation. On the other
-    // hand, the legacy API makes demuxers set "rotate" metadata entries,
-    // which have to be filtered out to prevent leaking them to output files.
-    av_dict_set(&ost->st->metadata, "rotate", NULL, 0);
-
     if (ist) {
         dec_ctx = ist->dec_ctx;
     }
-- 
2.33.0



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