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-rw-r--r--media/ffvpx/libavcodec/vorbis_parser_internal.h46
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diff --git a/media/ffvpx/libavcodec/vorbis_parser_internal.h b/media/ffvpx/libavcodec/vorbis_parser_internal.h
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+/*
+ * Copyright (c) 2012 Justin Ruggles
+ *
+ * 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
+ * Vorbis audio parser
+ *
+ * Determines the duration for each packet.
+ */
+
+#ifndef AVCODEC_VORBIS_PARSER_INTERNAL_H
+#define AVCODEC_VORBIS_PARSER_INTERNAL_H
+
+#include "avcodec.h"
+#include "vorbis_parser.h"
+
+struct AVVorbisParseContext {
+ const AVClass *class;
+ int extradata_parsed; ///< we have attempted to parse extradata
+ int valid_extradata; ///< extradata is valid, so we can calculate duration
+ int blocksize[2]; ///< short and long window sizes
+ int previous_blocksize; ///< previous window size
+ int mode_blocksize[64]; ///< window size mapping for each mode
+ int mode_count; ///< number of modes
+ int mode_mask; ///< bitmask used to get the mode in each packet
+ int prev_mask; ///< bitmask used to get the previous mode flag in each packet
+};
+
+#endif /* AVCODEC_VORBIS_PARSER_INTERNAL_H */