142 lines
3.6 KiB
C++
142 lines
3.6 KiB
C++
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "test/encode_test_driver.h"
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#include "test/video_source.h"
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#include "third_party/googletest/src/include/gtest/gtest.h"
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namespace libvpx_test {
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void Encoder::EncodeFrame(VideoSource *video, unsigned long flags) {
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if (video->img())
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EncodeFrameInternal(*video, flags);
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else
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Flush();
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// Handle twopass stats
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CxDataIterator iter = GetCxData();
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while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
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if (pkt->kind != VPX_CODEC_STATS_PKT)
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continue;
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stats_->Append(*pkt);
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}
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}
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void Encoder::EncodeFrameInternal(const VideoSource &video,
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unsigned long flags) {
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vpx_codec_err_t res;
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const vpx_image_t *img = video.img();
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// Handle first frame initialization
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if (!encoder_.priv) {
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cfg_.g_w = img->d_w;
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cfg_.g_h = img->d_h;
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cfg_.g_timebase = video.timebase();
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cfg_.rc_twopass_stats_in = stats_->buf();
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res = vpx_codec_enc_init(&encoder_, &vpx_codec_vp8_cx_algo, &cfg_, 0);
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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}
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// Handle frame resizing
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if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
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cfg_.g_w = img->d_w;
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cfg_.g_h = img->d_h;
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res = vpx_codec_enc_config_set(&encoder_, &cfg_);
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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}
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// Encode the frame
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res = vpx_codec_encode(&encoder_,
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video.img(), video.pts(), video.duration(),
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flags, deadline_);
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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}
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void Encoder::Flush() {
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const vpx_codec_err_t res = vpx_codec_encode(&encoder_, NULL, 0, 0, 0,
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deadline_);
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ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
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}
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void EncoderTest::SetMode(TestMode mode) {
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switch (mode) {
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case kRealTime:
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deadline_ = VPX_DL_REALTIME;
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break;
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case kOnePassGood:
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case kTwoPassGood:
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deadline_ = VPX_DL_GOOD_QUALITY;
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break;
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case kOnePassBest:
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case kTwoPassBest:
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deadline_ = VPX_DL_BEST_QUALITY;
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break;
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default:
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ASSERT_TRUE(false) << "Unexpected mode " << mode;
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}
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if (mode == kTwoPassGood || mode == kTwoPassBest)
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passes_ = 2;
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else
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passes_ = 1;
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}
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void EncoderTest::RunLoop(VideoSource *video) {
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for (unsigned int pass = 0; pass < passes_; pass++) {
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last_pts_ = 0;
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if (passes_ == 1)
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cfg_.g_pass = VPX_RC_ONE_PASS;
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else if (pass == 0)
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cfg_.g_pass = VPX_RC_FIRST_PASS;
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else
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cfg_.g_pass = VPX_RC_LAST_PASS;
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BeginPassHook(pass);
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Encoder encoder(cfg_, deadline_, &stats_);
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bool again;
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for (again = true, video->Begin(); again; video->Next()) {
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again = video->img() != NULL;
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PreEncodeFrameHook(video);
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PreEncodeFrameHook(video, &encoder);
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encoder.EncodeFrame(video, flags_);
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CxDataIterator iter = encoder.GetCxData();
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while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
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again = true;
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if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
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continue;
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ASSERT_GE(pkt->data.frame.pts, last_pts_);
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last_pts_ = pkt->data.frame.pts;
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FramePktHook(pkt);
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}
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if (!Continue())
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break;
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}
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EndPassHook();
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if (!Continue())
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break;
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}
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}
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} // namespace libvpx_test
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