stream_info.cc

// Copyright 2014 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
 
#include "packager/media/base/stream_info.h"
 
#include <inttypes.h>
 
#include "packager/base/logging.h"
#include "packager/base/strings/stringprintf.h"
#include "packager/media/base/timestamp.h"
 
namespace shaka {
namespace media {
 
std::string StreamTypeToString(StreamType type) {
  switch (type) {
    case kStreamUnknown:
      return "Unknown";
    case kStreamVideo:
      return "Video";
    case kStreamAudio:
      return "Audio";
    case kStreamText:
      return "Text";
  }
 
  NOTREACHED() << "Unhandled StreamType with value " << static_cast<int>(type);
  return "";
}
 
StreamInfo::StreamInfo(StreamType stream_type,
                       int track_id,
                       uint32_t time_scale,
                       uint64_t duration,
                       Codec codec,
                       const std::string& codec_string,
                       const uint8_t* codec_config,
                       size_t codec_config_size,
                       const std::string& language,
                       bool is_encrypted)
    : stream_type_(stream_type),
      track_id_(track_id),
      time_scale_(time_scale),
      duration_(duration),
      codec_(codec),
      codec_string_(codec_string),
      language_(language),
      is_encrypted_(is_encrypted) {
  if (codec_config_size > 0) {
    codec_config_.assign(codec_config, codec_config + codec_config_size);
  }
}
 
StreamInfo::~StreamInfo() {}
 
std::string StreamInfo::ToString() const {
  std::string duration;
  if (duration_ == kInfiniteDuration) {
    duration = "Infinite";
  } else {
    duration = base::StringPrintf("%" PRIu64 " (%.1f seconds)", duration_,
                                  static_cast<double>(duration_) / time_scale_);
  }
 
  return base::StringPrintf(
      "type: %s\n codec_string: %s\n time_scale: %d\n duration: "
      "%s\n is_encrypted: %s\n",
      StreamTypeToString(stream_type_).c_str(), codec_string_.c_str(),
      time_scale_, duration.c_str(), is_encrypted_ ? "true" : "false");
}
 
}  // namespace media
}  // namespace shaka