Adding third_party/openh264 build files for encoding

third_party/openh264/testing/h264_codec_tester.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "third_party/openh264/testing/h264_codec_tester.h"
+
+using namespace webrtc;
+
+namespace openh264 {
+
+H264CodecTester::H264CodecTester() : last_encoded_image_(nullptr),
+                                     last_decoded_image_(nullptr) {
+}
+
+H264CodecTester::~H264CodecTester() {
+  encoder_.Release();
+  decoder_.Release();
+}
+
+bool H264CodecTester::Init(unsigned short width, unsigned short height) {
+  const int32_t number_of_cores = 1;
+  const size_t max_payload_size = 0;
+
+  // Codec settings...
+  VideoCodec codec;
+  memset(&codec, 0, sizeof(codec));
+
+  codec.codecType = kVideoCodecH264;
+  strncpy(codec.plName, "H264", 5);
+  codec.plType = 120;
+
+  codec.width = width;
+  codec.height = height;
+
+  codec.minBitrate = 300;
+  codec.maxBitrate = 600;
+  codec.targetBitrate = 450;
+  codec.startBitrate = codec.minBitrate;
+  codec.maxFramerate = 30;
+
+  memset(&codec.codecSpecific.H264, 0, sizeof(codec.codecSpecific.H264));
+  codec.codecSpecific.H264.profile = kProfileBase;
+  codec.codecSpecific.H264.frameDroppingOn = true;
+  codec.codecSpecific.H264.keyFrameInterval = 3000;
+  codec.codecSpecific.H264.spsData = nullptr;
+  codec.codecSpecific.H264.spsLen = 0;
+  codec.codecSpecific.H264.ppsData = nullptr;
+  codec.codecSpecific.H264.ppsLen = 0;
+
+  codec.qpMax = 56;
+  codec.numberOfSimulcastStreams = 1;
+  codec.simulcastStream[0].width = codec.width;
+  codec.simulcastStream[0].height = codec.height;
+  codec.simulcastStream[0].minBitrate = codec.minBitrate;
+  codec.simulcastStream[0].maxBitrate = codec.maxBitrate;
+  codec.simulcastStream[0].targetBitrate = codec.targetBitrate;
+  codec.simulcastStream[0].qpMax = codec.qpMax;
+  codec.simulcastStream[0].numberOfTemporalLayers = 1;
+
+  codec.mode = kRealtimeVideo;
+  codec.extra_options = nullptr;
+
+  // Initialize encoder and decoder.
+  if (encoder_.InitEncode(&codec, number_of_cores, max_payload_size)
+      != WEBRTC_VIDEO_CODEC_OK) {
+    encoder_.Release();
+    return false;
+  }
+  if (decoder_.InitDecode(&codec, number_of_cores) != WEBRTC_VIDEO_CODEC_OK) {
+    encoder_.Release();
+    decoder_.Release();
+    return false;
+  }
+
+  // Register so that Encoded and Decoded will be called.
+  encoder_.RegisterEncodeCompleteCallback(this);
+  decoder_.RegisterDecodeCompleteCallback(this);
+
+  return true;
+}
+
+bool H264CodecTester::Encode(const VideoFrame& frame) {
+  last_encoded_image_ = nullptr;
+  if (encoder_.Encode(frame, nullptr, nullptr) != WEBRTC_VIDEO_CODEC_OK ||
+      !last_encoded_image_) {
+    return false;
+  }
+  return true;
+}
+
+VideoFrame* H264CodecTester::Decode() {
+  last_decoded_image_ = nullptr;
+  if (decoder_.Decode(*last_encoded_image_, false, nullptr)
+      != WEBRTC_VIDEO_CODEC_OK || !last_decoded_image_) {
+    return nullptr;
+  }
+  return last_decoded_image_;
+}
+
+int32_t H264CodecTester::Encoded(const EncodedImage& encoded_image,
+                                 const CodecSpecificInfo* codec_specific_info,
+                                 const RTPFragmentationHeader* fragmentation) {
+  last_encoded_image_ = &encoded_image;
+  return WEBRTC_VIDEO_CODEC_OK;
+}
+
+int32_t H264CodecTester::Decoded(VideoFrame& decoded_image) {
+  last_decoded_image_ = &decoded_image;
+  return WEBRTC_VIDEO_CODEC_OK;
+}
+
+}  // namespace openh264