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compression

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This commit is contained in:
AlexandreRouma 2022-01-26 13:23:55 +01:00
parent 75da59833a
commit 4c0220a228
9 changed files with 79 additions and 13 deletions
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4
core/CMakeLists.txt
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@ -71,6 +71,10 @@ if (MSVC)
# WinSock2
target_link_libraries(sdrpp_core PUBLIC wsock32 ws2_32)
# ZSTD
find_package(zstd CONFIG REQUIRED)
target_link_libraries(sdrpp_core PRIVATE zstd::libzstd_shared)
else()
find_package(PkgConfig)
find_package(OpenGL REQUIRED)

7
core/src/dsp/compression.h
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@ -12,11 +12,16 @@ namespace dsp {
public:
DynamicRangeCompressor() {}
DynamicRangeCompressor(stream<complex_t>* in, PCMType pcmType) { init(in, pcmType); }
DynamicRangeCompressor(stream<complex_t>* in, PCMType pcmType) {
init(in, pcmType);
}
void init(stream<complex_t>* in, PCMType pcmType) {
_in = in;
_pcmType = pcmType;
out.setBufferSize((sizeof(dsp::complex_t) * STREAM_BUFFER_SIZE) + 8);
generic_block<DynamicRangeCompressor>::registerInput(_in);
generic_block<DynamicRangeCompressor>::registerOutput(&out);
generic_block<DynamicRangeCompressor>::_block_init = true;

7
core/src/dsp/stream.h
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@ -31,6 +31,13 @@ namespace dsp {
volk_free(readBuf);
}
void setBufferSize(int samples) {
volk_free(writeBuf);
volk_free(readBuf);
writeBuf = (T*)volk_malloc(samples * sizeof(T), volk_get_alignment());
readBuf = (T*)volk_malloc(samples * sizeof(T), volk_get_alignment());
}
bool swap(int size) {
{
// Wait to either swap or stop

32
core/src/server.cpp
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@ -10,6 +10,7 @@
#include <gui/smgui.h>
#include <utils/optionlist.h>
#include <dsp/compression.h>
#include <zstd.h>
namespace server {
dsp::stream<dsp::complex_t> dummyInput;
@ -35,11 +36,14 @@ namespace server {
SmGui::DrawListElem dummyElem;
ZSTD_CCtx* cctx;
net::Listener listener;
OptionList<std::string, std::string> sourceList;
int sourceId = 0;
bool running = false;
bool compression = false;
double sampleRate = 1000000.0;
int main() {
@ -68,9 +72,9 @@ namespace server {
bb_pkt_hdr = (PacketHeader*)bbuf;
bb_pkt_data = &bbuf[sizeof(PacketHeader)];
// Terminate config manager
core::configManager.disableAutoSave();
core::configManager.save();
// Initialize compressor
cctx = ZSTD_createCCtx();
ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 1);
core::configManager.acquire();
std::string modulesDir = core::configManager.conf["modulesDirectory"];
@ -183,6 +187,7 @@ namespace server {
// Perform settings reset
sigpath::sourceManager.stop();
comp.setPCMType(dsp::PCM_TYPE_I16);
compression = false;
sendSampleRate(sampleRate);
@ -218,14 +223,20 @@ namespace server {
}
void _testServerHandler(uint8_t* data, int count, void* ctx) {
// Build data packet
PacketHeader* hdr = (PacketHeader*)bbuf;
hdr->type = PACKET_TYPE_BASEBAND;
hdr->size = sizeof(PacketHeader) + count;
memcpy(&bbuf[sizeof(PacketHeader)], data, count);
// Compress data if needed and fill out header fields
if (compression) {
bb_pkt_hdr->type = PACKET_TYPE_BASEBAND_COMPRESSED;
bb_pkt_hdr->size = sizeof(PacketHeader) + (uint32_t)ZSTD_compress2(cctx, &bbuf[sizeof(PacketHeader)], SERVER_MAX_PACKET_SIZE, data, count);
}
else {
bb_pkt_hdr->type = PACKET_TYPE_BASEBAND;
bb_pkt_hdr->size = sizeof(PacketHeader) + count;
memcpy(&bbuf[sizeof(PacketHeader)], data, count);
}
// Write to network
if (client && client->isOpen()) { client->write(hdr->size, bbuf); }
if (client && client->isOpen()) { client->write(bb_pkt_hdr->size, bbuf); }
}
void setInput(dsp::stream<dsp::complex_t>* stream) {
@ -281,6 +292,9 @@ namespace server {
dsp::PCMType type = (dsp::PCMType)*(uint8_t*)data;
comp.setPCMType(type);
}
else if (cmd == COMMAND_SET_COMPRESSION && len == 1) {
compression = *(uint8_t*)data;
}
else {
spdlog::error("Invalid Command: {0} (len = {1})", cmd, len);
sendError(ERROR_INVALID_COMMAND);

2
core/src/server_protocol.h
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@ -11,6 +11,7 @@ namespace server {
PACKET_TYPE_COMMAND,
PACKET_TYPE_COMMAND_ACK,
PACKET_TYPE_BASEBAND,
PACKET_TYPE_BASEBAND_COMPRESSED,
PACKET_TYPE_VFO,
PACKET_TYPE_FFT,
PACKET_TYPE_ERROR
@ -25,6 +26,7 @@ namespace server {
COMMAND_SET_FREQUENCY,
COMMAND_GET_SAMPLERATE,
COMMAND_SET_SAMPLE_TYPE,
COMMAND_SET_COMPRESSION,
// Server to client
COMMAND_SET_SAMPLERATE = 0x80,

4
source_modules/sdrpp_server_source/CMakeLists.txt
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@ -19,6 +19,10 @@ endif ()
if(WIN32)
target_link_libraries(sdrpp_server_source PRIVATE wsock32 ws2_32)
# ZSTD
find_package(zstd CONFIG REQUIRED)
target_link_libraries(sdrpp_server_source PRIVATE zstd::libzstd_shared)
endif()
# Install directives

18
source_modules/sdrpp_server_source/src/main.cpp
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@ -194,11 +194,18 @@ private:
config.conf["servers"][_this->devConfName]["sampleType"] = _this->sampleTypeList.key(_this->sampleTypeId);
config.release(true);
}
if (ImGui::Checkbox("Compression", &_this->compression)) {
_this->client->setCompression(_this->compression);
bool dummy = false;
// Save config
config.acquire();
config.conf["servers"][_this->devConfName]["compression"] = _this->compression;
config.release(true);
}
bool dummy = true;
style::beginDisabled();
ImGui::Checkbox("Compression", &dummy);
dummy = true;
ImGui::Checkbox("Full IQ", &dummy);
style::endDisabled();
@ -237,9 +244,13 @@ private:
std::string key = config.conf["servers"][devConfName]["sampleType"];
if (sampleTypeList.keyExists(key)) { sampleTypeId = sampleTypeList.keyId(key); }
}
if (config.conf["servers"][devConfName].contains("compression")) {
compression = config.conf["servers"][devConfName]["compression"];
}
// Set settings
client->setSampleType(sampleTypeList[sampleTypeId]);
client->setCompression(compression);
}
std::string name;
@ -261,6 +272,7 @@ private:
OptionList<std::string, dsp::PCMType> sampleTypeList;
int sampleTypeId;
bool compression = false;
server::Client client;
};

14
source_modules/sdrpp_server_source/src/sdrpp_server_client.cpp
View File

@ -26,7 +26,11 @@ namespace server {
s_cmd_hdr = (CommandHeader*)s_pkt_data;
s_cmd_data = &sbuffer[sizeof(PacketHeader) + sizeof(CommandHeader)];
// Initialize decompressor
dctx = ZSTD_createDCtx();
// Initialize DSP
decompIn.setBufferSize((sizeof(dsp::complex_t) * STREAM_BUFFER_SIZE) + 8);
decomp.init(&decompIn);
link.init(&decomp.out, output);
decomp.start();
@ -43,6 +47,7 @@ namespace server {
ClientClass::~ClientClass() {
close();
ZSTD_freeDCtx(dctx);
delete[] rbuffer;
delete[] sbuffer;
}
@ -108,6 +113,11 @@ namespace server {
sendCommand(COMMAND_SET_SAMPLE_TYPE, 1);
}
void ClientClass::setCompression(bool enabled) {
s_cmd_data[0] = enabled;
sendCommand(COMMAND_SET_COMPRESSION, 1);
}
void ClientClass::start() {
if (!client || !client->isOpen()) { return; }
sendCommand(COMMAND_START, 0);
@ -189,6 +199,10 @@ namespace server {
memcpy(_this->decompIn.writeBuf, &buf[sizeof(PacketHeader)], _this->r_pkt_hdr->size - sizeof(PacketHeader));
_this->decompIn.swap(_this->r_pkt_hdr->size - sizeof(PacketHeader));
}
else if (_this->r_pkt_hdr->type == PACKET_TYPE_BASEBAND_COMPRESSED) {
size_t outCount = ZSTD_decompressDCtx(_this->dctx, _this->decompIn.writeBuf, STREAM_BUFFER_SIZE, _this->r_pkt_data, _this->r_pkt_hdr->size - sizeof(PacketHeader));
if (outCount) { _this->decompIn.swap(outCount); };
}
else if (_this->r_pkt_hdr->type == PACKET_TYPE_ERROR) {
spdlog::error("SDR++ Server Error: {0}", buf[sizeof(PacketHeader)]);
}

4
source_modules/sdrpp_server_source/src/sdrpp_server_client.h
View File

@ -11,6 +11,7 @@
#include <dsp/compression.h>
#include <dsp/sink.h>
#include <dsp/link.h>
#include <zstd.h>
#define RFSPACE_MAX_SIZE 8192
#define RFSPACE_HEARTBEAT_INTERVAL_MS 1000
@ -85,6 +86,7 @@ namespace server {
double getSampleRate();
void setSampleType(dsp::PCMType type);
void setCompression(bool enabled);
void start();
void stop();
@ -133,6 +135,8 @@ namespace server {
SmGui::DrawList dl;
std::mutex dlMtx;
ZSTD_DCtx* dctx;
double currentSampleRate = 1000000.0;
};