dsputil: Move APE-specific bits into apedsp

1 files changed, 44 insertions, 0 deletions

diff --git a/libavcodec/apedsp.h b/libavcodec/apedsp.h
new file mode 100644
index 0000000000..64e2749679
--- /dev/null
+++ b/libavcodec/apedsp.h
@@ -0,0 +1,44 @@
+/*
+ * 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 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
+ */
+
+#ifndef AVCODEC_APEDSP_H
+#define AVCODEC_APEDSP_H
+
+#include <stdint.h>
+
+typedef struct APEDSPContext {
+    /**
+     * Calculate scalar product of v1 and v2,
+     * and v1[i] += v3[i] * mul
+     * @param len length of vectors, should be multiple of 16
+     */
+    int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */,
+                                            const int16_t *v2,
+                                            const int16_t *v3,
+                                            int len, int mul);
+} APEDSPContext;
+
+void ff_apedsp_init_arm(APEDSPContext *c);
+void ff_apedsp_init_ppc(APEDSPContext *c);
+void ff_apedsp_init_x86(APEDSPContext *c);
+
+#endif /* AVCODEC_APEDSP_H */