[FFmpeg-devel] [PATCH] avcodec/av1dec: don't set aspect ratio when it's not yet known

[James Almer <jamrial@gmail.com>]

Makes the output of the native decoder consistent with external decoders like
libdav1d with fate-enhanced-flv-av1.

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/av1dec.c             | 1 -
 tests/ref/fate/enhanced-flv-av1 | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index 03283ab064..ec8401f4e0 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -755,7 +755,6 @@ static int set_context_with_sequence(AVCodecContext *avctx,
         if (ret < 0)
             return ret;
     }
-    avctx->sample_aspect_ratio = (AVRational) { 1, 1 };
 
     if (seq->timing_info_present_flag)
         avctx->framerate = ff_av1_framerate(1LL + seq->timing_info.num_ticks_per_picture_minus_1,
diff --git a/tests/ref/fate/enhanced-flv-av1 b/tests/ref/fate/enhanced-flv-av1
index b2a624e41e..c50da5d430 100644
--- a/tests/ref/fate/enhanced-flv-av1
+++ b/tests/ref/fate/enhanced-flv-av1
@@ -3,7 +3,7 @@
 #media_type 0: video
 #codec_id 0: av1
 #dimensions 0: 320x176
-#sar 0: 1/1
+#sar 0: 0/1
 0,          0,          0,       41,     4718, 0xc4d912ec
 0,         42,         42,       41,     5109, 0xc065dd7d, F=0x0
 0,         83,         83,       41,      192, 0x160c5335, F=0x0
-- 
2.42.0

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