1 files changed, 46 insertions, 0 deletions
diff --git a/libavcodec/lossless_audiodsp.h b/libavcodec/lossless_audiodsp.h
new file mode 100644
index 0000000000..9ce2e63d45
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+++ b/libavcodec/lossless_audiodsp.h
@@ -0,0 +1,46 @@
+/*
+ * Monkey's Audio lossless audio decoder
+ * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
+ *  based upon libdemac from Dave Chapman.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_LLAUDDSP_H
+#define AVCODEC_LLAUDDSP_H
+
+#include <stdint.h>
+
+typedef struct LLAudDSPContext {
+    /**
+     * Calculate scalar product of v1 and v2,
+     * and v1[i] += v3[i] * mul
+     * @param len length of vectors, should be multiple of 16,
+     *            or padd v3 and v1 or v2 with zeros.
+     */
+    int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */,
+                                            const int16_t *v2,
+                                            const int16_t *v3,
+                                            int len, int mul);
+} LLAudDSPContext;
+
+void ff_llauddsp_init(LLAudDSPContext *c);
+void ff_llauddsp_init_arm(LLAudDSPContext *c);
+void ff_llauddsp_init_ppc(LLAudDSPContext *c);
+void ff_llauddsp_init_x86(LLAudDSPContext *c);
+
+#endif /* AVCODEC_LLAUDDSP_H */