g722: Split out g722_qmf_apply() function into g722dsp.c

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 32 insertions, 0 deletions

diff --git a/libavcodec/g722dsp.h b/libavcodec/g722dsp.h
new file mode 100644
index 0000000000..c0d33390ea
--- /dev/null
+++ b/libavcodec/g722dsp.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2015 Peter Meerwald <pmeerw@pmeerw.net>
+ *
+ * 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_G722DSP_H
+#define AVCODEC_G722DSP_H
+
+#include <stdint.h>
+
+typedef struct G722DSPContext {
+    void (*apply_qmf)(const int16_t *prev_samples, int *xout1, int *xout2);
+} G722DSPContext;
+
+void ff_g722dsp_init(G722DSPContext *c);
+
+#endif /* AVCODEC_G722DSP_H */