dom/media/XiphExtradata.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6 #if !defined(XiphExtradata_h)
   7 #  define XiphExtradata_h
   8
   9 #  include "MediaData.h"
  10
  11 namespace mozilla {
  12
  13 /* This converts a list of headers to the canonical form of extradata for Xiph
  14    codecs in non-Ogg containers. We use it to pass those headers from demuxer
  15    to decoder even when demuxing from an Ogg cotainer. */
  16 bool XiphHeadersToExtradata(MediaByteBuffer* aCodecSpecificConfig,
  17                             const nsTArray<const unsigned char*>& aHeaders,
  18                             const nsTArray<size_t>& aHeaderLens);
  19
  20 /* This converts a set of extradata back into a list of headers. */
  21 bool XiphExtradataToHeaders(nsTArray<unsigned char*>& aHeaders,
  22                             nsTArray<size_t>& aHeaderLens, unsigned char* aData,
  23                             size_t aAvailable);
  24
  25 }  // namespace mozilla
  26
  27 #endif  // XiphExtradata_h