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authorMichael Niedermayer <michaelni@gmx.at>2011-09-12 20:49:20 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-09-12 21:01:12 +0200
commit9765caec1b9991e676d1b91db0c04a6242b65d7a (patch)
treedcd5a8d04e7c5a61aa12b455424fb4d0d9b2d076 /libavcodec/adpcm.h
parentf0c64d0d0b16162a46d7b88d09ac0801a94e59a7 (diff)
parent826c56d16e55f3819a75d01f957dd295aa1e9f3a (diff)
downloadffmpeg-9765caec1b9991e676d1b91db0c04a6242b65d7a.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: adpcm: split ADPCM encoders and decoders into separate files. doc/avconv: fix typo. rv34: check that subsequent slices have the same type as first one. smacker demuxer: handle possible av_realloc() failure. lavfi: add split filter from soc. lavfi: add showinfo filter libxavs: add private options corresponding to deprecated global options Conflicts: Changelog libavcodec/adpcm.c libavfilter/avfilter.h libavfilter/vf_showinfo.c libavfilter/vf_split.c libavformat/smacker.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/adpcm.h')
-rw-r--r--libavcodec/adpcm.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/libavcodec/adpcm.h b/libavcodec/adpcm.h
new file mode 100644
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+++ b/libavcodec/adpcm.h
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+/*
+ * Copyright (c) 2001-2003 The ffmpeg Project
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * ADPCM encoder/decoder common header.
+ */
+
+#ifndef AVCODEC_ADPCM_H
+#define AVCODEC_ADPCM_H
+
+#define BLKSIZE 1024
+
+typedef struct ADPCMChannelStatus {
+ int predictor;
+ short int step_index;
+ int step;
+ /* for encoding */
+ int prev_sample;
+
+ /* MS version */
+ short sample1;
+ short sample2;
+ int coeff1;
+ int coeff2;
+ int idelta;
+} ADPCMChannelStatus;
+
+#endif /* AVCODEC_ADPCM_H */