media/base/pipeline_status.h

   1 // Copyright (c) 2012 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_BASE_PIPELINE_STATUS_H_
   6 #define MEDIA_BASE_PIPELINE_STATUS_H_
   7
   8 #include "base/callback.h"
   9
  10 #include <string>
  11
  12 namespace media {
  13
  14 // Status states for pipeline.  All codes except PIPELINE_OK indicate errors.
  15 // Logged to UMA, so never reuse a value, always add new/greater ones!
  16 // TODO(vrk/scherkus): Trim the unused status codes. (crbug.com/126070)
  17 enum PipelineStatus {
  18   PIPELINE_OK = 0,
  19   PIPELINE_ERROR_URL_NOT_FOUND = 1,
  20   PIPELINE_ERROR_NETWORK = 2,
  21   PIPELINE_ERROR_DECODE = 3,
  22   PIPELINE_ERROR_DECRYPT = 4,
  23   PIPELINE_ERROR_ABORT = 5,
  24   PIPELINE_ERROR_INITIALIZATION_FAILED = 6,
  25   PIPELINE_ERROR_COULD_NOT_RENDER = 8,
  26   PIPELINE_ERROR_READ = 9,
  27   PIPELINE_ERROR_OPERATION_PENDING = 10,
  28   PIPELINE_ERROR_INVALID_STATE = 11,
  29   // Demuxer related errors.
  30   DEMUXER_ERROR_COULD_NOT_OPEN = 12,
  31   DEMUXER_ERROR_COULD_NOT_PARSE = 13,
  32   DEMUXER_ERROR_NO_SUPPORTED_STREAMS = 14,
  33   // Decoder related errors.
  34   DECODER_ERROR_NOT_SUPPORTED = 15,
  35   // Must be equal to the largest value ever logged.
  36   PIPELINE_STATUS_MAX = DECODER_ERROR_NOT_SUPPORTED,
  37 };
  38
  39 typedef base::Callback<void(PipelineStatus)> PipelineStatusCB;
  40
  41 // TODO(scherkus): this should be moved alongside host interface definitions.
  42 struct PipelineStatistics {
  43   PipelineStatistics()
  44       : audio_bytes_decoded(0),
  45         video_bytes_decoded(0),
  46         video_frames_decoded(0),
  47         video_frames_dropped(0) {
  48   }
  49
  50   uint32 audio_bytes_decoded;  // Should be uint64?
  51   uint32 video_bytes_decoded;  // Should be uint64?
  52   uint32 video_frames_decoded;
  53   uint32 video_frames_dropped;
  54 };
  55
  56 // Used for updating pipeline statistics.
  57 typedef base::Callback<void(const PipelineStatistics&)> StatisticsCB;
  58
  59 }  // namespace media
  60
  61 #endif  // MEDIA_BASE_PIPELINE_STATUS_H_