superframe_test.cc 3.13 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
/*
 *  Copyright (c) 2012 The WebM 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.
 */
#include <climits>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/util.h"

namespace {

class SuperframeTest : public ::libvpx_test::EncoderTest,
    public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
 protected:
  SuperframeTest() : EncoderTest(GET_PARAM(0)), modified_buf_(NULL),
      last_sf_pts_(0) {}

  virtual void SetUp() {
    InitializeConfig();
    SetMode(GET_PARAM(1));
    sf_count_ = 0;
    sf_count_max_ = INT_MAX;
  }

  virtual void TearDown() {
    delete modified_buf_;
  }

  virtual bool Continue() const {
    return !HasFatalFailure() && !abort_;
  }

  virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
                                  libvpx_test::Encoder *encoder) {
    if (video->frame() == 1) {
      encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
    }
  }

  virtual const vpx_codec_cx_pkt_t * MutateEncoderOutputHook(
      const vpx_codec_cx_pkt_t *pkt) {
    if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
      return pkt;

    const uint8_t *buffer = reinterpret_cast<uint8_t*>(pkt->data.frame.buf);
    const uint8_t marker = buffer[pkt->data.frame.sz - 1];
    const int frames = (marker & 0x7) + 1;
    const int mag = ((marker >> 3) & 3) + 1;
    const unsigned int index_sz = 2 + mag  * frames;
57
    if ((marker & 0xe0) == 0xc0 &&
John Koleszar's avatar
John Koleszar committed
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
        pkt->data.frame.sz >= index_sz &&
        buffer[pkt->data.frame.sz - index_sz] == marker) {
      // frame is a superframe. strip off the index.
      if (modified_buf_)
        delete modified_buf_;
      modified_buf_ = new uint8_t[pkt->data.frame.sz - index_sz];
      memcpy(modified_buf_, pkt->data.frame.buf,
             pkt->data.frame.sz - index_sz);
      modified_pkt_ = *pkt;
      modified_pkt_.data.frame.buf = modified_buf_;
      modified_pkt_.data.frame.sz -= index_sz;

      sf_count_++;
      last_sf_pts_ = pkt->data.frame.pts;
      return &modified_pkt_;
    }

    // Make sure we do a few frames after the last SF
    abort_ |= sf_count_ > sf_count_max_ &&
              pkt->data.frame.pts - last_sf_pts_ >= 5;
    return pkt;
  }

  int sf_count_;
  int sf_count_max_;
  vpx_codec_cx_pkt_t modified_pkt_;
  uint8_t *modified_buf_;
  vpx_codec_pts_t last_sf_pts_;
};

TEST_P(SuperframeTest, TestSuperframeIndexIsOptional) {
  sf_count_max_ = 0;  // early exit on successful test.
  cfg_.g_lag_in_frames = 25;

  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                       30, 1, 0, 40);
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
  EXPECT_EQ(sf_count_, 1);
}

VP9_INSTANTIATE_TEST_CASE(SuperframeTest, ::testing::Values(
    ::libvpx_test::kTwoPassGood));
}  // namespace