vpx/test/decode_test_driver.cc

/*
 *  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 "test/decode_test_driver.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/video_source.h"

namespace libvpx_test {
#if CONFIG_VP8_DECODER
void Decoder::DecodeFrame(const uint8_t *cxdata, int size) {
  if (!decoder_.priv) {
    const vpx_codec_err_t res_init = vpx_codec_dec_init(&decoder_,
                                                        &vpx_codec_vp8_dx_algo,
                                                        &cfg_, 0);
    ASSERT_EQ(VPX_CODEC_OK, res_init) << DecodeError();
  }

  const vpx_codec_err_t res_dec = vpx_codec_decode(&decoder_,
                                                   cxdata, size, NULL, 0);
  ASSERT_EQ(VPX_CODEC_OK, res_dec) << DecodeError();
}

void DecoderTest::RunLoop(CompressedVideoSource *video) {
  vpx_codec_dec_cfg_t dec_cfg = {0};
  Decoder decoder(dec_cfg, 0);

  // Decode frames.
  for (video->Begin(); video->cxdata(); video->Next()) {
    decoder.DecodeFrame(video->cxdata(), video->frame_size());

    DxDataIterator dec_iter = decoder.GetDxData();
    const vpx_image_t *img = NULL;

    // Get decompressed data
    while ((img = dec_iter.Next()))
      DecompressedFrameHook(*img, video->frame_number());
  }
}
#endif
}  // namespace libvpx_test