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-rw-r--r--libavcodec/libx264.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 8765e56d02..e2ef7530a6 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -335,7 +335,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
x4->params.rc.f_rf_constant_max = x4->crf_max;
}
- if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy &&
+ if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
(avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
x4->params.rc.f_vbv_buffer_init =
(float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
@@ -695,6 +695,7 @@ static const AVCodecDefault x264_defaults[] = {
{ "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
{ "thread_type", "0" },
{ "flags", "+cgop" },
+ { "rc_init_occupancy","-1" },
{ NULL },
};