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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /media/ffvpx/libavcodec/xiph.h
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/ffvpx/libavcodec/xiph.h')
-rw-r--r--media/ffvpx/libavcodec/xiph.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/xiph.h b/media/ffvpx/libavcodec/xiph.h
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+/*
+ * Copyright (C) 2007 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
+ */
+
+#ifndef AVCODEC_XIPH_H
+#define AVCODEC_XIPH_H
+
+#include "libavutil/common.h"
+
+/**
+ * Split a single extradata buffer into the three headers that most
+ * Xiph codecs use. (e.g. Theora and Vorbis)
+ * Works both with Matroska's packing and lavc's packing.
+ *
+ * @param[in] extradata The single chunk that combines all three headers
+ * @param[in] extradata_size The size of the extradata buffer
+ * @param[in] first_header_size The size of the first header, used to
+ * differentiate between the Matroska packing and lavc packing.
+ * @param[out] header_start Pointers to the start of the three separate headers.
+ * @param[out] header_len The sizes of each of the three headers.
+ * @return On error a negative value is returned, on success zero.
+ */
+int avpriv_split_xiph_headers(const uint8_t *extradata, int extradata_size,
+ int first_header_size, const uint8_t *header_start[3],
+ int header_len[3]);
+
+#endif /* AVCODEC_XIPH_H */