OrangePi3588Media/plugins/input_file/input_file_node.cpp

489 lines
17 KiB
C++

#include <algorithm>
#include <atomic>
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <thread>
#include <vector>
#include "node.h"
#include "hw/hw_factory.h"
#include "utils/thread_affinity.h"
#include "utils/logger.h"
#if defined(RK3588_ENABLE_MPP)
extern "C" {
#include <rockchip/mpp_buffer.h>
#include <rockchip/mpp_frame.h>
#include <rockchip/mpp_packet.h>
#include <rockchip/rk_mpi.h>
}
#include <unistd.h>
#endif
#ifdef RK3588_ENABLE_FFMPEG
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/imgutils.h>
}
#endif
namespace rk3588 {
class InputFileNode : public INode {
public:
std::string Id() const override { return id_; }
std::string Type() const override { return "input_file"; }
bool Init(const SimpleJson& config, const NodeContext& ctx) override {
id_ = config.ValueOr<std::string>("id", "input_file");
path_ = config.ValueOr<std::string>("path", "");
loop_ = config.ValueOr<bool>("loop", true);
realtime_ = config.ValueOr<bool>("realtime", true);
fps_ = config.ValueOr<int>("fps", 0);
width_ = config.ValueOr<int>("width", 1920);
height_ = config.ValueOr<int>("height", 1080);
platform_ = config.ValueOr<std::string>("platform", "");
hw_platform_ = config.ValueOr<std::string>("hw_platform", "");
use_ffmpeg_ = config.ValueOr<bool>("use_ffmpeg", true);
use_mpp_ = config.ValueOr<bool>("use_mpp", true);
fallback_to_stub_on_fail_ = config.ValueOr<bool>("fallback_to_stub_on_fail", false);
cpu_affinity_ = ParseCpuAffinity(config);
if (ctx.output_queues.empty()) {
LogError("[input_file] no downstream queue configured for node " + id_);
return false;
}
out_queues_ = ctx.output_queues;
if (path_.empty() && !fallback_to_stub_on_fail_) {
LogError("[input_file] path is required");
return false;
}
return true;
}
bool Start() override {
if (out_queues_.empty()) return false;
running_.store(true);
#if defined(RK3588_ENABLE_FFMPEG) && defined(RK3588_ENABLE_MPP)
if (use_ffmpeg_ && use_mpp_) {
worker_ = std::thread(&InputFileNode::LoopFfmpegMpp, this);
} else if (use_ffmpeg_) {
worker_ = std::thread(&InputFileNode::LoopFfmpegCpu, this);
} else {
worker_ = std::thread(&InputFileNode::LoopStub, this);
}
#elif defined(RK3588_ENABLE_FFMPEG)
if (use_ffmpeg_) {
worker_ = std::thread(&InputFileNode::LoopFfmpegCpu, this);
} else {
worker_ = std::thread(&InputFileNode::LoopStub, this);
}
#else
if (use_ffmpeg_ || use_mpp_) {
LogError("[input_file] requested ffmpeg/mpp but not enabled at build time");
}
worker_ = std::thread(&InputFileNode::LoopStub, this);
#endif
std::string mode;
#if defined(RK3588_ENABLE_MPP)
if (use_ffmpeg_ && use_mpp_) mode = "ffmpeg demux + mpp decode";
else if (use_ffmpeg_) mode = "ffmpeg cpu decode";
else mode = "stub";
#else
if (use_ffmpeg_) mode = "ffmpeg cpu decode";
else mode = "stub";
#endif
LogInfo("[input_file] start path=" + path_ +
" loop=" + (loop_ ? std::string("true") : std::string("false")) +
" realtime=" + (realtime_ ? std::string("true") : std::string("false")) +
" fps=" + std::to_string(fps_) +
" (" + mode + ")");
return true;
}
void Stop() override {
running_.store(false);
for (auto& q : out_queues_) q->Stop();
if (worker_.joinable()) worker_.join();
LogInfo("[input_file] stopped");
}
void Drain() override {
running_.store(false);
}
private:
#if defined(RK3588_ENABLE_FFMPEG)
static SimpleJson BuildDecoderConfig(const std::string& backend,
AVCodecID codec_id,
const uint8_t* extradata,
size_t extradata_size,
const std::string& platform,
const std::string& hw_platform) {
SimpleJson::Object obj;
obj["backend"] = SimpleJson(backend);
obj["codec_id"] = SimpleJson(static_cast<double>(codec_id));
if (codec_id == AV_CODEC_ID_H264) {
obj["codec"] = SimpleJson(std::string("h264"));
} else if (codec_id == AV_CODEC_ID_HEVC) {
obj["codec"] = SimpleJson(std::string("h265"));
}
if (!platform.empty()) {
obj["platform"] = SimpleJson(platform);
}
if (!hw_platform.empty()) {
obj["hw_platform"] = SimpleJson(hw_platform);
}
if (extradata && extradata_size > 0) {
SimpleJson::Array arr;
arr.reserve(extradata_size);
for (size_t i = 0; i < extradata_size; ++i) {
arr.emplace_back(static_cast<double>(extradata[i]));
}
obj["extradata"] = SimpleJson(std::move(arr));
}
return SimpleJson(std::move(obj));
}
static void DrainDecoder(const std::shared_ptr<IDecoder>& decoder,
const std::function<void(const FramePtr&)>& on_frame) {
if (!decoder) return;
while (true) {
auto out = decoder->Receive();
if (!out.Ok()) {
if (out.ErrMessage() != "no_frame") {
LogWarn("[input_file] decoder receive: " + out.ErrMessage());
}
break;
}
if (on_frame) on_frame(out.Value());
}
}
#endif
void ApplyAffinity() {
if (cpu_affinity_.empty()) return;
std::string aerr;
if (!SetCurrentThreadAffinity(cpu_affinity_, aerr)) {
LogWarn("[input_file] SetCurrentThreadAffinity failed: " + aerr);
}
}
void PushToDownstream(FramePtr frame) {
for (auto& q : out_queues_) {
q->Push(frame);
}
}
void HandleDecodedFrame(const FramePtr& frame) {
if (!frame) return;
frame->frame_id = ++frame_id_;
PushToDownstream(frame);
}
void StopDownstreamQueues() {
for (auto& q : out_queues_) q->Stop();
}
void LoopStub() {
ApplyAffinity();
using namespace std::chrono;
const int fps = fps_ > 0 ? fps_ : 25;
auto interval = milliseconds(1000 / std::max(1, fps));
auto next_tp = steady_clock::now();
while (running_.load()) {
auto frame = std::make_shared<Frame>();
frame->width = width_;
frame->height = height_;
frame->format = PixelFormat::NV12;
frame->plane_count = 2;
const size_t y_size = static_cast<size_t>(width_) * height_;
const size_t total = y_size * 3 / 2;
auto buffer = std::make_shared<std::vector<uint8_t>>(total, 0);
frame->data = buffer->data();
frame->data_size = buffer->size();
frame->SetOwner(buffer);
frame->stride = width_;
frame->planes[0] = {frame->data, width_, static_cast<int>(y_size), 0};
frame->planes[1] = {frame->data + y_size, width_, static_cast<int>(y_size / 2),
static_cast<int>(y_size)};
frame->SyncBufferFromFrame();
frame->frame_id = ++frame_id_;
frame->pts = duration_cast<microseconds>(steady_clock::now().time_since_epoch()).count();
PushToDownstream(frame);
if (realtime_ && interval.count() > 0) {
next_tp += interval;
std::this_thread::sleep_until(next_tp);
}
}
StopDownstreamQueues();
}
#ifdef RK3588_ENABLE_FFMPEG
bool OpenFile(AVFormatContext*& fmt_ctx, int& video_stream, AVRational& time_base,
int& out_fps, std::string& err) {
err.clear();
fmt_ctx = nullptr;
video_stream = -1;
time_base = AVRational{1, 1000};
out_fps = fps_ > 0 ? fps_ : 0;
if (path_.empty()) {
err = "path is empty";
return false;
}
if (avformat_open_input(&fmt_ctx, path_.c_str(), nullptr, nullptr) < 0) {
err = "avformat_open_input failed";
return false;
}
if (avformat_find_stream_info(fmt_ctx, nullptr) < 0) {
avformat_close_input(&fmt_ctx);
err = "avformat_find_stream_info failed";
return false;
}
for (unsigned i = 0; i < fmt_ctx->nb_streams; ++i) {
if (fmt_ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
video_stream = static_cast<int>(i);
time_base = fmt_ctx->streams[i]->time_base;
if (out_fps <= 0) {
const AVRational r = fmt_ctx->streams[i]->avg_frame_rate;
if (r.num > 0 && r.den > 0) {
out_fps = static_cast<int>((static_cast<double>(r.num) / static_cast<double>(r.den)) + 0.5);
}
}
break;
}
}
if (video_stream < 0) {
avformat_close_input(&fmt_ctx);
err = "no video stream";
return false;
}
if (out_fps <= 0) out_fps = 25;
return true;
}
void Cleanup(AVFormatContext* fmt, AVCodecContext* dec, AVPacket* pkt, AVFrame* frm) {
if (dec) avcodec_free_context(&dec);
if (fmt) avformat_close_input(&fmt);
if (pkt) av_packet_free(&pkt);
if (frm) av_frame_free(&frm);
}
void LoopFfmpegCpu() {
ApplyAffinity();
using namespace std::chrono;
while (running_.load()) {
AVFormatContext* fmt_ctx = nullptr;
AVPacket* pkt = av_packet_alloc();
int video_stream = -1;
AVRational time_base{1, 1000};
int fps_out = 25;
std::string oerr;
if (!OpenFile(fmt_ctx, video_stream, time_base, fps_out, oerr)) {
LogError("[input_file] open failed: " + oerr + " path=" + path_);
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
if (fallback_to_stub_on_fail_) {
LoopStub();
return;
}
running_.store(false);
break;
}
const AVCodec* codec = avcodec_find_decoder(fmt_ctx->streams[video_stream]->codecpar->codec_id);
if (!codec) {
LogError("[input_file] decoder not found");
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
running_.store(false);
break;
}
const auto* par = fmt_ctx->streams[video_stream]->codecpar;
SimpleJson dec_cfg = BuildDecoderConfig("ffmpeg", par->codec_id,
par->extradata,
static_cast<size_t>(std::max(0, par->extradata_size)),
platform_, hw_platform_);
auto decoder = HwFactory::CreateDecoder(dec_cfg);
if (!decoder || decoder->Open(dec_cfg).Failed()) {
LogError("[input_file] ffmpeg decoder open failed");
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
running_.store(false);
break;
}
auto interval = milliseconds(1000 / std::max(1, fps_out));
auto next_tp = steady_clock::now();
while (running_.load()) {
if (av_read_frame(fmt_ctx, pkt) < 0) {
break;
}
if (pkt->stream_index != video_stream) {
av_packet_unref(pkt);
continue;
}
int64_t pts_us = 0;
if (pkt->pts != AV_NOPTS_VALUE) {
pts_us = av_rescale_q(pkt->pts, time_base, {1, 1000000});
}
DecodePacket dp;
dp.data = pkt->data;
dp.size = static_cast<size_t>(pkt->size);
dp.pts = static_cast<uint64_t>(std::max<int64_t>(0, pts_us));
dp.keyframe = (pkt->flags & AV_PKT_FLAG_KEY) != 0;
if (decoder->Send(dp).Ok()) {
DrainDecoder(decoder, [&](const FramePtr& frame) {
HandleDecodedFrame(frame);
if (realtime_ && interval.count() > 0) {
next_tp += interval;
std::this_thread::sleep_until(next_tp);
}
});
}
av_packet_unref(pkt);
}
decoder->Close();
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
if (!running_.load()) break;
if (!loop_) {
break;
}
}
StopDownstreamQueues();
}
#endif // RK3588_ENABLE_FFMPEG
#if defined(RK3588_ENABLE_FFMPEG) && defined(RK3588_ENABLE_MPP)
void LoopFfmpegMpp() {
ApplyAffinity();
using namespace std::chrono;
while (running_.load()) {
AVFormatContext* fmt_ctx = nullptr;
AVPacket* pkt = av_packet_alloc();
int video_stream = -1;
AVRational time_base{1, 1000};
int fps_out = 25;
std::string oerr;
if (!OpenFile(fmt_ctx, video_stream, time_base, fps_out, oerr)) {
LogError("[input_file] open failed: " + oerr + " path=" + path_);
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
if (fallback_to_stub_on_fail_) {
LoopStub();
return;
}
running_.store(false);
break;
}
auto codec_id = fmt_ctx->streams[video_stream]->codecpar->codec_id;
if (codec_id != AV_CODEC_ID_H264 && codec_id != AV_CODEC_ID_HEVC) {
LogError("[input_file] unsupported codec for mpp");
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
running_.store(false);
break;
}
const auto* par = fmt_ctx->streams[video_stream]->codecpar;
SimpleJson dec_cfg = BuildDecoderConfig("mpp", codec_id,
par->extradata,
static_cast<size_t>(std::max(0, par->extradata_size)),
platform_, hw_platform_);
auto decoder = HwFactory::CreateDecoder(dec_cfg);
if (!decoder || decoder->Open(dec_cfg).Failed()) {
LogError("[input_file] mpp decoder open failed");
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
running_.store(false);
break;
}
auto interval = milliseconds(1000 / std::max(1, fps_out));
auto next_tp = steady_clock::now();
while (running_.load()) {
if (av_read_frame(fmt_ctx, pkt) < 0) {
break;
}
if (pkt->stream_index != video_stream) {
av_packet_unref(pkt);
continue;
}
int64_t pts_us = pkt->pts == AV_NOPTS_VALUE ? 0
: av_rescale_q(pkt->pts, time_base, {1, 1000000});
DecodePacket dp;
dp.data = pkt->data;
dp.size = static_cast<size_t>(pkt->size);
dp.pts = static_cast<uint64_t>(std::max<int64_t>(0, pts_us));
dp.keyframe = (pkt->flags & AV_PKT_FLAG_KEY) != 0;
if (decoder->Send(dp).Ok()) {
DrainDecoder(decoder, [&](const FramePtr& frame) {
HandleDecodedFrame(frame);
if (realtime_ && interval.count() > 0) {
next_tp += interval;
std::this_thread::sleep_until(next_tp);
}
});
}
av_packet_unref(pkt);
}
decoder->Close();
Cleanup(fmt_ctx, nullptr, pkt, nullptr);
if (!running_.load()) break;
if (!loop_) {
break;
}
}
StopDownstreamQueues();
}
#endif
std::string id_;
std::string path_;
bool loop_ = true;
bool realtime_ = true;
int fps_ = 0;
int width_ = 1920;
int height_ = 1080;
bool use_ffmpeg_ = true;
bool use_mpp_ = true;
bool fallback_to_stub_on_fail_ = false;
std::vector<int> cpu_affinity_;
std::string platform_;
std::string hw_platform_;
std::atomic<bool> running_{false};
std::vector<std::shared_ptr<SpscQueue<FramePtr>>> out_queues_;
std::thread worker_;
uint64_t frame_id_ = 0;
};
REGISTER_NODE(InputFileNode, "input_file");
} // namespace rk3588