add palette data in avi header when the input data is raw gray8 pixel data and
the output data is 8bit uncompressed avi video
Signed-off-by: rui.jiang <229135...@qq.com>
---
libavformat/riffenc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c
index 43c8bf957a..d8b767787f 100644
--- a/libavformat/riffenc.c
+++ b/libavformat/riffenc.c
@@ -266,6 +266,15 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters
*par,
else
avio_wl32(pb, 0);
}
+ } else if (pix_fmt == AV_PIX_FMT_GRAY8) {
+ /* Initialize 8 bpp palette */
+ int i;
+ for (i = 0; i < 256; i++) {
+ avio_w8(pb,i);
+ avio_w8(pb,i);
+ avio_w8(pb,i);
+ avio_w8(pb,0);
+ }
}
}
}
--
2.30.1 (Apple Git-130)
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