Initial community commit

Src/external_dependencies/openmpt-trunk/include/opusenc/src/opus_header.h

@@ -0,0 +1,96 @@
+/* Copyright (C)2012 Xiph.Org Foundation
+   File: opus_header.h
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef OPUS_HEADER_H
+#define OPUS_HEADER_H
+
+#include <stdlib.h>
+#include <opus.h>
+
+#include <opus_multistream.h>
+#ifdef OPUS_HAVE_OPUS_PROJECTION_H
+#include <opus_projection.h>
+#endif
+
+typedef struct OpusGenericEncoder OpusGenericEncoder;
+struct OpusGenericEncoder {
+  OpusMSEncoder *ms;
+#ifdef OPUS_HAVE_OPUS_PROJECTION_H
+  OpusProjectionEncoder *pr;
+#endif
+};
+
+int opeint_use_projection(int channel_mapping);
+
+int opeint_encoder_surround_init(OpusGenericEncoder *st, int Fs, int channels, int channel_mapping, int *nb_streams, int *nb_coupled, unsigned char *stream_map, int application);
+
+void opeint_encoder_cleanup(OpusGenericEncoder *st);
+
+int opeint_encoder_init(OpusGenericEncoder *st, opus_int32 Fs, int channels, int streams, int coupled_streams, const unsigned char *mapping, int application);
+
+int opeint_encode_float(OpusGenericEncoder *st, const float *pcm, int frame_size, unsigned char *data, opus_int32 max_data_bytes);
+
+#ifdef OPUS_HAVE_OPUS_PROJECTION_H
+# define opeint_encoder_ctl(st, request) \
+    ((st)->pr!=NULL ? \
+    opus_projection_encoder_ctl((st)->pr, request) : \
+    opus_multistream_encoder_ctl((st)->ms, request))
+# define opeint_encoder_ctl2(st, request, value) \
+    ((st)->pr!=NULL ? \
+    opus_projection_encoder_ctl((st)->pr, request, value) : \
+    opus_multistream_encoder_ctl((st)->ms, request, value))
+#else
+# define opeint_encoder_ctl(st, request) \
+    opus_multistream_encoder_ctl((st)->ms, request)
+# define opeint_encoder_ctl2(st, request, value) \
+    opus_multistream_encoder_ctl((st)->ms, request, value)
+#endif
+
+typedef struct {
+   int version;
+   int channels; /* Number of channels: 1..255 */
+   int preskip;
+   opus_uint32 input_sample_rate;
+   opus_int32 gain; /* in dB S7.8 should be zero whenever possible */
+   int channel_mapping;
+   /* The rest is only used if channel_mapping != 0 */
+   int nb_streams;
+   int nb_coupled;
+   unsigned char stream_map[255];
+} OpusHeader;
+
+int opeint_opus_header_get_size(const OpusHeader *h);
+
+int opeint_opus_header_to_packet(const OpusHeader *h, unsigned char *packet, int len, const OpusGenericEncoder *st);
+
+void opeint_comment_init(char **comments, int* length, const char *vendor_string);
+
+int opeint_comment_add(char **comments, int* length, const char *tag, const char *val);
+
+void opeint_comment_pad(char **comments, int* length, int amount);
+
+#endif