Just one of the many, many ways to store this stuff in the header.

Signed-off-by: Derek Buitenhuis <derek.buitenh...@gmail.com>
---
Related reading, but not exactly the same type:
    * https://github.com/libjpeg-turbo/libjpeg-turbo/issues/92
    * 
https://github.com/libjpeg-turbo/libjpeg-turbo/commit/8ce2c9119a995ef6280f8bba375aac7effb9b571
---
 libavcodec/mjpegdec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index d1dca84d36..e5888ed548 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -568,6 +568,7 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
         }
         break;
     case 0x21111100:
+    case 0x41212100:
         if (s->component_id[0] == 'Q' && s->component_id[1] == 'F' && 
s->component_id[2] == 'A') {
             if (s->bits <= 8) s->avctx->pix_fmt = AV_PIX_FMT_GBRP;
             else
-- 
2.17.1

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