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/*
* Copyright (c) 2014 The WebRTC 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/encoder_settings.h"
#include <algorithm>
#include <string>
#include "media/engine/internaldecoderfactory.h"
#include "modules/video_coding/codecs/h264/include/h264.h"
#include "modules/video_coding/codecs/multiplex/include/multiplex_decoder_adapter.h"
#include "modules/video_coding/codecs/vp8/include/vp8.h"
#include "modules/video_coding/codecs/vp9/include/vp9.h"
#include "rtc_base/refcountedobject.h"
#include "test/fake_decoder.h"
namespace webrtc {
namespace test {
const size_t DefaultVideoStreamFactory::kMaxNumberOfStreams;
const int DefaultVideoStreamFactory::kMaxBitratePerStream[] = {150000, 450000,
1500000};
const int DefaultVideoStreamFactory::kDefaultMinBitratePerStream[] = {
30000, 200000, 700000};
// static
std::vector<VideoStream> CreateVideoStreams(
int width,
int height,
const webrtc::VideoEncoderConfig& encoder_config) {
RTC_DCHECK(encoder_config.number_of_streams <=
DefaultVideoStreamFactory::kMaxNumberOfStreams);
std::vector<VideoStream> stream_settings(encoder_config.number_of_streams);
int bitrate_left_bps = encoder_config.max_bitrate_bps;
for (size_t i = 0; i < encoder_config.number_of_streams; ++i) {
stream_settings[i].width =
(i + 1) * width / encoder_config.number_of_streams;
stream_settings[i].height =
(i + 1) * height / encoder_config.number_of_streams;
stream_settings[i].max_framerate = 30;
stream_settings[i].min_bitrate_bps =
DefaultVideoStreamFactory::kDefaultMinBitratePerStream[i];
int target_bitrate_bps = -1;
int max_bitrate_bps = -1;
// Use configured values instead of default values if values has been
// configured.
if (i < encoder_config.simulcast_layers.size()) {
const VideoStream& stream = encoder_config.simulcast_layers[i];
max_bitrate_bps =
stream.max_bitrate_bps > 0
? stream.max_bitrate_bps
: DefaultVideoStreamFactory::kMaxBitratePerStream[i];
max_bitrate_bps = std::min(bitrate_left_bps, max_bitrate_bps);
target_bitrate_bps =
stream.target_bitrate_bps > 0
? stream.target_bitrate_bps
: DefaultVideoStreamFactory::kMaxBitratePerStream[i];
target_bitrate_bps = std::min(max_bitrate_bps, target_bitrate_bps);
} else {
max_bitrate_bps = std::min(
bitrate_left_bps, DefaultVideoStreamFactory::kMaxBitratePerStream[i]);
target_bitrate_bps = max_bitrate_bps;
}
RTC_DCHECK_NE(target_bitrate_bps, -1);
RTC_DCHECK_NE(max_bitrate_bps, -1);
stream_settings[i].target_bitrate_bps = target_bitrate_bps;
stream_settings[i].max_bitrate_bps = max_bitrate_bps;
stream_settings[i].max_qp = 56;
if (i < encoder_config.simulcast_layers.size()) {
// Higher level controls are setting the active configuration for the
// VideoStream.
stream_settings[i].active = encoder_config.simulcast_layers[i].active;
} else {
stream_settings[i].active = true;
}
bitrate_left_bps -= stream_settings[i].target_bitrate_bps;
}
stream_settings[encoder_config.number_of_streams - 1].max_bitrate_bps +=
bitrate_left_bps;
stream_settings[0].bitrate_priority = encoder_config.bitrate_priority;
return stream_settings;
}
DefaultVideoStreamFactory::DefaultVideoStreamFactory() {}
std::vector<VideoStream> DefaultVideoStreamFactory::CreateEncoderStreams(
int width,
int height,
const webrtc::VideoEncoderConfig& encoder_config) {
return CreateVideoStreams(width, height, encoder_config);
}
void FillEncoderConfiguration(VideoCodecType codec_type,
size_t num_streams,
VideoEncoderConfig* configuration) {
RTC_DCHECK_LE(num_streams, DefaultVideoStreamFactory::kMaxNumberOfStreams);
configuration->codec_type = codec_type;
configuration->number_of_streams = num_streams;
configuration->video_stream_factory =
new rtc::RefCountedObject<DefaultVideoStreamFactory>();
configuration->max_bitrate_bps = 0;
configuration->simulcast_layers = std::vector<VideoStream>(num_streams);
for (size_t i = 0; i < num_streams; ++i) {
configuration->max_bitrate_bps +=
DefaultVideoStreamFactory::kMaxBitratePerStream[i];
}
}
VideoReceiveStream::Decoder CreateMatchingDecoder(
int payload_type,
const std::string& payload_name) {
VideoReceiveStream::Decoder decoder;
decoder.payload_type = payload_type;
decoder.payload_name = payload_name;
if (payload_name == "H264") {
decoder.decoder = H264Decoder::Create().release();
} else if (payload_name == "VP8") {
decoder.decoder = VP8Decoder::Create().release();
} else if (payload_name == "VP9") {
decoder.decoder = VP9Decoder::Create().release();
} else if (payload_name == "multiplex") {
decoder.decoder = new MultiplexDecoderAdapter(
new InternalDecoderFactory(), SdpVideoFormat(cricket::kVp9CodecName));
} else {
decoder.decoder = new FakeDecoder();
}
return decoder;
}
VideoReceiveStream::Decoder CreateMatchingDecoder(
const VideoSendStream::Config& config) {
return CreateMatchingDecoder(config.rtp.payload_type,
config.rtp.payload_name);
}
} // namespace test
} // namespace webrtc
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