media/filters/ffmpeg_bitstream_converter.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_FILTERS_FFMPEG_BITSTREAM_CONVERTER_H_
   6 #define MEDIA_FILTERS_FFMPEG_BITSTREAM_CONVERTER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "media/base/media_export.h"
  10
  11 struct AVPacket;
  12
  13 namespace media {
  14
  15 // Interface for classes that allow reformating of FFmpeg bitstreams
  16 class MEDIA_EXPORT FFmpegBitstreamConverter {
  17  public:
  18   virtual ~FFmpegBitstreamConverter() {};
  19
  20   // Reads the data in packet, and then overwrites this data with the
  21   // converted version of packet
  22   //
  23   // Returns false if conversion failed. In this case, |packet| should not be
  24   // changed.
  25   virtual bool ConvertPacket(AVPacket* packet) = 0;
  26 };
  27
  28 }  // namespace media
  29
  30 #endif  // MEDIA_FILTERS_FFMPEG_BITSTREAM_CONVERTER_H_