Merge remote-tracking branch 'qatar/master'

* qatar/master:
  mlpdsp: adding missing file
  dsputil: split out mlp dsp function
  sh4: add required #include, fix build
  averror: make error values proper negative values
  build: do not use LIB as variable name
  build: whitespace cosmetics
  build: remove single-use variable THIS_LIB

Conflicts:
	libavutil/error.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 37 insertions, 0 deletions

diff --git a/libavcodec/mlpdsp.h b/libavcodec/mlpdsp.h
new file mode 100644
index 0000000000..84a8aa3a3e
--- /dev/null
+++ b/libavcodec/mlpdsp.h
@@ -0,0 +1,37 @@
+/*
+ * MLP codec common header file
+ * Copyright (c) 2007-2008 Ian Caulfield
+ *
+ * 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_MLPDSP_H
+#define AVCODEC_MLPDSP_H
+
+#include <stdint.h>
+
+typedef struct MLPDSPContext {
+    void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff,
+                               int firorder, int iirorder,
+                               unsigned int filter_shift, int32_t mask,
+                               int blocksize, int32_t *sample_buffer);
+} MLPDSPContext;
+
+void ff_mlpdsp_init(MLPDSPContext *c);
+void ff_mlpdsp_init_x86(MLPDSPContext *c);
+
+#endif /* AVCODEC_MLPDSP_H */