flacdsp: arm optimised lpc filter

1 files changed, 32 insertions, 0 deletions

diff --git a/libavcodec/arm/flacdsp_init_arm.c b/libavcodec/arm/flacdsp_init_arm.c
new file mode 100644
index 0000000000..0530cf7a85
--- /dev/null
+++ b/libavcodec/arm/flacdsp_init_arm.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2012 Mans Rullgard <mans@mansr.com>
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/flacdsp.h"
+#include "config.h"
+
+void ff_flac_lpc_16_arm(int32_t *samples, const int coeffs[32], int order,
+                        int qlevel, int len);
+
+av_cold void ff_flacdsp_init_arm(FLACDSPContext *c, enum AVSampleFormat fmt,
+                                 int bps)
+{
+    if (bps <= 16)
+        c->lpc = ff_flac_lpc_16_arm;
+}