this fix the overflow during the caculation before value assignment.
Signed-off-by: Pengfei Qu <pengfei...@intel.com>
---
libavcodec/vaapi_encode.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c
index 36c85a3..78347d4 100644
--- a/libavcodec/vaapi_encode.c
+++ b/libavcodec/vaapi_encode.c
@@ -1168,9 +1168,9 @@ static av_cold int
vaapi_encode_init_rate_control(AVCodecContext *avctx)
rc_target_percentage = 100;
} else {
rc_bits_per_second = avctx->rc_max_rate;
- rc_target_percentage = (avctx->bit_rate * 100) /
rc_bits_per_second;
+ rc_target_percentage = (unsigned long)(avctx->bit_rate * 100) /
rc_bits_per_second;
}
- rc_window_size = (hrd_buffer_size * 1000) / avctx->bit_rate;
+ rc_window_size = (unsigned long)(hrd_buffer_size * 1000) /
avctx->bit_rate;
}
ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
--
2.9.3
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