media/base/test_utils.h

/*
 *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef MEDIA_BASE_TEST_UTILS_H_
#define MEDIA_BASE_TEST_UTILS_H_

#include <string>
#include <vector>

#include "media/base/media_channel.h"
#include "media/base/video_common.h"
#include "rtc_base/arraysize.h"

namespace webrtc {
class VideoFrame;
}

namespace cricket {

// Returns size of 420 image with rounding on chroma for odd sizes.
#define I420_SIZE(w, h) (w * h + (((w + 1) / 2) * ((h + 1) / 2)) * 2)
// Returns size of ARGB image.
#define ARGB_SIZE(w, h) (w * h * 4)

template <class T>
inline std::vector<T> MakeVector(const T a[], size_t s) {
  return std::vector<T>(a, a + s);
}
#define MAKE_VECTOR(a) cricket::MakeVector(a, arraysize(a))

// Checks whether `codecs` contains `codec`; checks using Codec::Matches().
template <class C>
bool ContainsMatchingCodec(const std::vector<C>& codecs,
                           const C& codec,
                           const webrtc::FieldTrialsView* field_trials) {
  typename std::vector<C>::const_iterator it;
  for (it = codecs.begin(); it != codecs.end(); ++it) {
    if (it->Matches(codec, field_trials)) {
      return true;
    }
  }
  return false;
}

// Create Simulcast StreamParams with given `ssrcs` and `cname`.
cricket::StreamParams CreateSimStreamParams(const std::string& cname,
                                            const std::vector<uint32_t>& ssrcs);
// Create Simulcast stream with given `ssrcs` and `rtx_ssrcs`.
// The number of `rtx_ssrcs` must match number of `ssrcs`.
cricket::StreamParams CreateSimWithRtxStreamParams(
    const std::string& cname,
    const std::vector<uint32_t>& ssrcs,
    const std::vector<uint32_t>& rtx_ssrcs);

// Create StreamParams with single primary SSRC and corresponding FlexFEC SSRC.
cricket::StreamParams CreatePrimaryWithFecFrStreamParams(
    const std::string& cname,
    uint32_t primary_ssrc,
    uint32_t flexfec_ssrc);

}  // namespace cricket

#endif  // MEDIA_BASE_TEST_UTILS_H_