encode_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 "vpx_config.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/decode_test_driver.h"
#include "test/register_state_check.h"
#include "test/video_source.h"
#include "third_party/googletest/src/include/gtest/gtest.h"

namespace libvpx_test {
void Encoder::EncodeFrame(VideoSource *video, const unsigned long frame_flags) {
  if (video->img())
    EncodeFrameInternal(*video, frame_flags);
  else
    Flush();

  // Handle twopass stats
  CxDataIterator iter = GetCxData();

  while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
    if (pkt->kind != VPX_CODEC_STATS_PKT)
      continue;

    stats_->Append(*pkt);
  }
}

void Encoder::EncodeFrameInternal(const VideoSource &video,
                                  const unsigned long frame_flags) {
  vpx_codec_err_t res;
  const vpx_image_t *img = video.img();

  // Handle first frame initialization
  if (!encoder_.priv) {
    cfg_.g_w = img->d_w;
    cfg_.g_h = img->d_h;
    cfg_.g_timebase = video.timebase();
    cfg_.rc_twopass_stats_in = stats_->buf();
    res = vpx_codec_enc_init(&encoder_, CodecInterface(), &cfg_,
                             init_flags_);
    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
  }

  // Handle frame resizing
  if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
    cfg_.g_w = img->d_w;
    cfg_.g_h = img->d_h;
    res = vpx_codec_enc_config_set(&encoder_, &cfg_);
    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
  }

  // Encode the frame
  REGISTER_STATE_CHECK(
      res = vpx_codec_encode(&encoder_,
                             video.img(), video.pts(), video.duration(),
                             frame_flags, deadline_));
  ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
}

void Encoder::Flush() {
  const vpx_codec_err_t res = vpx_codec_encode(&encoder_, NULL, 0, 0, 0,