Move vorbis_inverse_coupling from dsputil to vorbisdspcontext.

Conveniently (together with Justin's earlier patches), this makes
our vorbis decoder entirely independent of dsputil.

1 files changed, 34 insertions, 0 deletions

diff --git a/libavcodec/vorbisdsp.h b/libavcodec/vorbisdsp.h
new file mode 100644
index 0000000000..b6b2f29fd8
--- /dev/null
+++ b/libavcodec/vorbisdsp.h
@@ -0,0 +1,34 @@
+/*
+ * 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_VORBISDSP_H
+#define AVCODEC_VORBISDSP_H
+
+typedef struct VorbisDSPContext {
+    /* assume len is a multiple of 4, and arrays are 16-byte aligned */
+    void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
+} VorbisDSPContext;
+
+void ff_vorbisdsp_init(VorbisDSPContext *dsp);
+
+/* for internal use only */
+void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp);
+void ff_vorbisdsp_init_arm(VorbisDSPContext *dsp);
+void ff_vorbisdsp_init_ppc(VorbisDSPContext *dsp);
+
+#endif /* AVCODEC_VORBISDSP_H */