c095f510b6
Removes clang warning preventing compile. BUG= R=stefan@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2087005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4593 4adac7df-926f-26a2-2b94-8c16560cd09d
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC 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 "webrtc/video_engine/test/common/fake_encoder.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace webrtc {
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FakeEncoder::FakeEncoder(Clock* clock)
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: clock_(clock),
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callback_(NULL),
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target_bitrate_kbps_(0),
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last_encode_time_ms_(0) {
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memset(encoded_buffer_, 0, sizeof(encoded_buffer_));
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}
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FakeEncoder::~FakeEncoder() {}
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int32_t FakeEncoder::InitEncode(const VideoCodec* config,
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int32_t number_of_cores,
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uint32_t max_payload_size) {
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config_ = *config;
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target_bitrate_kbps_ = config_.startBitrate;
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return 0;
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}
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int32_t FakeEncoder::Encode(
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const I420VideoFrame& input_image,
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const CodecSpecificInfo* codec_specific_info,
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const std::vector<VideoFrameType>* frame_types) {
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assert(config_.maxFramerate > 0);
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int delta_since_last_encode = 1000 / config_.maxFramerate;
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int64_t time_now_ms = clock_->TimeInMilliseconds();
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if (last_encode_time_ms_ > 0) {
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// For all frames but the first we can estimate the display time by looking
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// at the display time of the previous frame.
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delta_since_last_encode = time_now_ms - last_encode_time_ms_;
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}
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int bits_available = target_bitrate_kbps_ * delta_since_last_encode;
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last_encode_time_ms_ = time_now_ms;
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for (int i = 0; i < config_.numberOfSimulcastStreams; ++i) {
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CodecSpecificInfo specifics;
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memset(&specifics, 0, sizeof(specifics));
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specifics.codecType = kVideoCodecVP8;
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specifics.codecSpecific.VP8.simulcastIdx = i;
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int min_stream_bits = config_.simulcastStream[i].minBitrate *
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delta_since_last_encode;
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int max_stream_bits = config_.simulcastStream[i].maxBitrate *
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delta_since_last_encode;
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int stream_bits = (bits_available > max_stream_bits) ? max_stream_bits :
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bits_available;
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int stream_bytes = (stream_bits + 7) / 8;
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EXPECT_LT(static_cast<size_t>(stream_bytes), sizeof(encoded_buffer_));
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if (static_cast<size_t>(stream_bytes) > sizeof(encoded_buffer_))
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return -1;
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EncodedImage encoded(
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encoded_buffer_, stream_bytes, sizeof(encoded_buffer_));
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encoded._timeStamp = input_image.timestamp();
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encoded.capture_time_ms_ = input_image.render_time_ms();
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if (min_stream_bits > bits_available) {
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encoded._length = 0;
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encoded._frameType = kSkipFrame;
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}
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if (callback_->Encoded(encoded, &specifics, NULL) != 0)
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return -1;
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bits_available -= encoded._length * 8;
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}
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return 0;
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}
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int32_t FakeEncoder::RegisterEncodeCompleteCallback(
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EncodedImageCallback* callback) {
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callback_ = callback;
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return 0;
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}
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int32_t FakeEncoder::Release() { return 0; }
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int32_t FakeEncoder::SetChannelParameters(uint32_t packet_loss, int rtt) {
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return 0;
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}
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int32_t FakeEncoder::SetRates(uint32_t new_target_bitrate, uint32_t framerate) {
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target_bitrate_kbps_ = new_target_bitrate;
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return 0;
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}
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} // namespace webrtc
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