lavc/libvpxenc: remove redundant condition check

Redundant condition: '!A || B' is equivalent to '!A || (A && B)' but
more clearly.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>

diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index c823b8ad8bf7520d27c239e6fc3a9553651d492a..feb52ea0dd0a65311a43107f96712162c85493b2 100644 (file)
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -978,7 +978,7 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
        are only good through the next vpx_codec call */
     while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) &&
            (!ctx->is_alpha ||
-            (ctx->is_alpha && (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha))))) {
+            (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha)))) {
         switch (pkt->kind) {
         case VPX_CODEC_CX_FRAME_PKT:
             if (!size) {