If we fail to create a decoder specified by ourself, then try to
let VideoToolbox pick a proper one for us.
Signed-off-by: Wang Chuan <ouchu...@outlook.com>
---
libavcodec/videotoolbox.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c
index 8773de3393..9077647e25 100644
--- a/libavcodec/videotoolbox.c
+++ b/libavcodec/videotoolbox.c
@@ -837,6 +837,10 @@ static int videotoolbox_start(AVCodecContext *avctx)
&decoder_cb, //
outputCallback
&videotoolbox->session); //
decompressionSessionOut
+ // if we cannot create a decode session specified by ourself, then that
videotoolbox pick one for us
+ if (status == kVTVideoDecoderNotAvailableNowErr)
+ status = VTDecompressionSessionCreate(NULL, videotoolbox->cm_fmt_desc,
NULL, buf_attr, &decoder_cb, &videotoolbox->session);
+
if (decoder_spec)
CFRelease(decoder_spec);
if (buf_attr)
--
2.27.0
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