4 Commits

Author SHA1 Message Date
Artem
fc2273d40b hw: add draft rockchip-mpp hw video encoding 2024-11-19 22:08:12 +01:00
Artem
c5f77df6b0 webrtc: start/stop ffmpeg procees if webrtc has clients 2024-11-05 23:49:26 +01:00
Artem
c228921237 project structure refactoring 2024-11-05 23:47:00 +01:00
Artem
1f5a56cc5d ffmpeg: use one command to stream video/audio 2024-11-05 18:49:21 +01:00
23 changed files with 655 additions and 404 deletions

View File

@@ -12,11 +12,26 @@ RUN mv /web/dist /static
#RUN mv nanokvm/web/dist /static
FROM golang:alpine as backend
RUN apk add --no-cache git
RUN apk add --no-cache git v4l-utils-dev build-base musl-dev gcc g++ make libc-dev linux-headers \
git cmake
RUN mkdir -p ~/dev && cd ~/dev && \
#git clone -b jellyfin-mpp --depth=1 https://github.com/nyanmisaka/mpp.git rkmpp && \
git clone --depth=1 https://github.com/rockchip-linux/mpp.git rkmpp && \
cd rkmpp && mkdir rkmpp_build && cd rkmpp_build && \
sed -i '/#include <errno.h>/a #include <cstdint>' ~/dev/rkmpp/mpp/vproc/vdpp/test/hwpq_test.cpp && \
cmake \
-DCMAKE_INSTALL_PREFIX=/usr \
-DCMAKE_BUILD_TYPE=Release \
-DBUILD_SHARED_LIBS=ON \
-DBUILD_TEST=OFF \
-DVDPP_TEST=OFF \
.. && \
make -j $(nproc) && \
make install
COPY . /app
WORKDIR /app
RUN go mod download
RUN go build -o ./bin/ ./cmd/...
RUN CGO_ENABLED=1 go build -o ./bin/ ./cmd/...
# we would use ffmpeg-rockchip from nyanmisaka with rockchip's mpp support
FROM alpine as ffmpeg
@@ -74,7 +89,6 @@ RUN mkdir -p ~/dev && cd ~/dev && \
&& \
make -j $(nproc) && make install
FROM pikvm/ustreamer:latest as ustreamer
FROM alpine

View File

@@ -3,9 +3,11 @@ package main
import (
"fmt"
"rkkvm/config"
"rkkvm/http/hw/rtc"
"rkkvm/http/hw/stream"
"rkkvm/external/ffmpeg"
"rkkvm/external/mpp"
"rkkvm/external/process"
"rkkvm/http/route"
"rkkvm/http/rtc"
"strings"
"github.com/gin-gonic/gin"
@@ -30,21 +32,13 @@ func main() {
log.Println("Failed to parse log level, use default level: info")
}
if cfg.Stream.Source == config.StreamSourceMjpeg {
ustreamer := stream.Init(cfg.UStreamer.Path, strings.Split(cfg.UStreamer.Args, " "))
ustreamer.Start()
//go ustreamer.Watch()
} else if cfg.Stream.Source == config.StreamSourceH264 {
ffmpeg := stream.InitFFmpeg(cfg.Video.Path, cfg.Video.FormatArgs())
ffmpeg.Start()
audio := stream.InitPipedCmd(config.Get().Audio)
audio.Start()
} else {
log.Fatalf("unsupported stream source type: %v", cfg.Stream.Source)
// FIXME: hardcoded device
if err := mpp.NewTest("/dev/video0"); err != nil {
log.Fatalf("Failed to open device: %v", err)
}
defer mpp.GetInstance().Close()
webrtc, err := rtc.InitListener(cfg.WebRtc.Host, cfg.WebRtc.Port, 5006)
webrtc, err := rtc.InitListener(cfg.WebRtc.Host, cfg.WebRtc.VideoPort, cfg.WebRtc.AudioPort)
if err != nil {
log.Fatal(err)
}
@@ -52,6 +46,16 @@ func main() {
go webrtc.VideoListenerRead()
go webrtc.AudioListenerRead()
if cfg.Stream.Source == config.StreamSourceMjpeg {
ustreamer := process.Init(cfg.UStreamer.Path, strings.Split(cfg.UStreamer.Args, " "))
ustreamer.Start()
//go ustreamer.Watch()
} else if cfg.Stream.Source == config.StreamSourceH264 {
ffmpeg.InitFFmpeg()
} else {
log.Fatalf("unsupported stream source type: %v", cfg.Stream.Source)
}
r := gin.Default()
r.Use(gin.Recovery())
route.Api(r)

View File

@@ -3,7 +3,6 @@ package config
import (
"fmt"
"os"
"strings"
"gopkg.in/yaml.v3"
)
@@ -15,7 +14,6 @@ type Config struct {
Port int `yaml:"port"`
UStreamer UStreamer `yaml:"ustreamer"`
Video FFmpeg `yaml:"video"`
Audio []string `yaml:"audio"`
WebRtc WebRtc `yaml:"webrtc"`
Stream Stream `yaml:"stream"`
@@ -25,7 +23,8 @@ type Config struct {
type WebRtc struct {
Host string `yaml:"host"`
Port int `yaml:"port"`
VideoPort int `yaml:"video_port"`
AudioPort int `yaml:"audio_port"`
}
type ExtProcess struct {
@@ -35,6 +34,7 @@ type ExtProcess struct {
type Stream struct {
Source string `yaml:"source"` // mjpeg or h264
}
const (
@@ -43,8 +43,15 @@ const (
StreamSourceHevc = "hevc"
)
type StreamInput string
const (
StreamInputVideo = "v"
StreamInputVideoAudio = "va"
)
type FFmpeg struct {
ExtProcess
Commands map[StreamInput]string `yaml:"commands"`
FPS int `yaml:"fps"`
Bitrate int `yaml:"bitrate"`
Height int `yaml:"height"`
@@ -52,8 +59,8 @@ type FFmpeg struct {
Codec string `yaml:"codec"`
}
func (f FFmpeg) FormatArgs() []string {
return strings.Split(fmt.Sprintf(f.Args, f.Height, f.Codec, f.Bitrate*1000, f.FPS, f.GOP), " ")
func (f FFmpeg) FormatCmd(cmd string) string {
return fmt.Sprintf(cmd, f.Height, f.Codec, f.Bitrate*1000, f.FPS, f.GOP)
}
type UStreamer struct {
@@ -68,8 +75,6 @@ func Get() Config {
return c
}
// arecord -D hw:0,0 -f cd -r 44100 -c 2 | /app/ffmpeg -re -init_hw_device rkmpp=hw -filter_hw_device hw -f wav -i pipe:0 -f v4l2 -c:a aac -b:a 128k -ar 44100 -ac 2 -f rtp rtp://127.0.0.1:5006?pkt_size=1200 -i /dev/video0 -vf hwupload,scale_rkrga=h=720:force_original_aspect_ratio=1 -c:v h264_rkmpp -flags +low_delay -b:v 6000000 -framerate 60 -g 10 -f rtp rtp://127.0.0.1:5004?pkt_size=1200
func Init() {
c = Config{
LogLevel: "debug",
@@ -84,24 +89,26 @@ func Init() {
},
},
Video: FFmpeg{
ExtProcess: ExtProcess{
Path: "/app/ffmpeg",
Args: "-hide_banner -loglevel error -re -init_hw_device rkmpp=hw -filter_hw_device hw -i /dev/video0 -vf hwupload,scale_rkrga=h=%d:force_original_aspect_ratio=1 -c:v %s_rkmpp -flags +low_delay -b:v %d -framerate %d -g %d -f rtp rtp://127.0.0.1:5004?pkt_size=1200",
//Args: "-re -i /dev/video0 -c:v h264_rkmpp -b:v %d -framerate %d -bsf:v h264_mp4toannexb -g 10 -f rtp rtp://127.0.0.1:5004?pkt_size=1200",
Commands: map[StreamInput]string{
StreamInputVideoAudio: "/usr/bin/arecord -D hw:0,0 -f dat -r 48000 -c 2 --buffer-size=150 | /app/ffmpeg -re -init_hw_device rkmpp=hw -filter_hw_device hw" +
" -f wav -i pipe:0 -map 0:a -c:a libopus -b:a 48000 -sample_fmt s16 -ssrc 1 -payload_type 111 -f rtp -max_delay 0 -application lowdelay" +
" -f rtp rtp://127.0.0.1:5006?pkt_size=1200" +
" -i /dev/video0 -map 1:v -vf hwupload,scale_rkrga=h=%d:force_original_aspect_ratio=1 -c:v %s_rkmpp -flags +low_delay -b:v %d -framerate %d -g %d" +
" -f rtp rtp://127.0.0.1:5004?pkt_size=1200",
StreamInputVideo: "/app/ffmpeg -re -hide_banner -loglevel error -init_hw_device rkmpp=hw -filter_hw_device hw" +
" -i /dev/video0 -vf hwupload,scale_rkrga=h=%d:force_original_aspect_ratio=1 -c:v %s_rkmpp -flags +low_delay -b:v %d -framerate %d -g %d" +
" -f rtp rtp://127.0.0.1:5004?pkt_size=1200",
},
FPS: 60,
Bitrate: 6000,
Height: 720,
GOP: 5,
Codec: "h264",
},
Audio: []string{
"/usr/bin/arecord -D hw:0,0 -f dat -r 48000 -c 2 --buffer-size=60",
"/app/ffmpeg -hide_banner -loglevel error -re -f wav -i pipe:0 -c:a libopus -b:a 48000 -sample_fmt s16 -ssrc 1 -payload_type 111 -f rtp -max_delay 0 -application lowdelay -f rtp rtp://127.0.0.1:5006?pkt_size=1200",
Codec: StreamSourceH264,
},
WebRtc: WebRtc{
Host: "127.0.0.1",
Port: 5004,
VideoPort: 5004,
AudioPort: 5006,
},
Stream: Stream{
Source: StreamSourceH264,

View File

@@ -1,7 +1,8 @@
package stream
package ffmpeg
import (
"rkkvm/config"
"rkkvm/external/process"
)
//h264
@@ -23,6 +24,12 @@ arecord -D hw:0,0 -f cd -r 44100 -c 2 | /app/ffmpeg -re -init_hw_device rkmpp=hw
arecord -D hw:0,0 -f cd -r 44100 -c 2 | /app/ffmpeg -re -f wav -i pipe:0 -c:a aac -b:a 128k -ar 44100 -ac 2 -f rtp rtp://127.0.0.1:5006?pkt_size=1200
arecord -D hw:0,0 -f dat -r 48000 -c 2 --buffer-size=60 | /app/ffmpeg -re -init_hw_device rkmpp=hw -filter_hw_device hw \
-f wav -i pipe:0 -map 0:a -c:a libopus -b:a 48000 -sample_fmt s16 -ssrc 1 -payload_type 111 -f rtp -max_delay 0 -application lowdelay \
-f rtp rtp://127.0.0.1:5006?pkt_size=1200 \
-i /dev/video0 -map 1:v -vf hwupload,scale_rkrga=h=720:force_original_aspect_ratio=1 -c:v h264_rkmpp -flags +low_delay -b:v 6000000 -framerate 60 -g 10 \
-f rtp rtp://127.0.0.1:5004?pkt_size=1200
*/
// https://jsfiddle.net/z7ms3u5r/
@@ -30,50 +37,57 @@ arecord -D hw:0,0 -f cd -r 44100 -c 2 | /app/ffmpeg -re -f wav -i pipe:0 -c:a aa
var ffmpeg *FFmpeg
type FFmpeg struct {
*ExtProcess
*process.PipedCmd
config.FFmpeg
}
func (f *FFmpeg) getCmd() string {
return f.Commands[config.StreamInputVideoAudio]
}
func (f *FFmpeg) SetBitrate(b int) {
f.Bitrate = b
if f.Bitrate < 0 {
f.Bitrate = 6000
}
f.ChangeArgs(f.FormatArgs())
}
func (f *FFmpeg) SetFPS(fps int) {
f.FPS = fps
if f.FPS < 0 {
f.FPS = 30
} else if f.FPS > 60 {
f.FPS = 60
}
f.ChangeArgs(f.FormatArgs())
}
func (f *FFmpeg) SetResolution(height int) {
f.Height = height
if f.Height <= 0 {
f.Height = 1080
} else if f.Height > 2060 {
f.Height = 2060
}
f.ChangeArgs(f.FormatArgs())
}
func (f *FFmpeg) SetGOP(gop int) {
f.GOP = gop
if f.GOP < 0 {
f.GOP = 0
f.GOP = 2
}
f.ChangeArgs(f.FormatArgs())
}
func InitFFmpeg(path string, args []string) *FFmpeg {
func (f *FFmpeg) ApplyOptions() {
f.ChangeCmd(f.FormatCmd(f.getCmd()))
}
func InitFFmpeg() *FFmpeg {
cfg := config.Get().Video
cmd := cfg.Commands[config.StreamInputVideoAudio]
ffmpeg = &FFmpeg{
ExtProcess: Init(path, args),
FFmpeg: config.Get().Video,
PipedCmd: process.InitPipedCmd(cfg.FormatCmd(cmd)),
FFmpeg: cfg,
}
return ffmpeg
}

245
external/mpp/mpp.c vendored Normal file
View File

@@ -0,0 +1,245 @@
#include "mpp.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <linux/videodev2.h>
#include <rockchip/mpp_buffer.h>
#include <rockchip/mpp_err.h>
#include <rockchip/mpp_frame.h>
#include <rockchip/mpp_packet.h>
#include <rockchip/rk_mpi.h>
#define WIDTH 1920
#define HEIGHT 1080
#define NUM_PLANES 1
#define BUFFER_COUNT 4
#define SPS_MAX_SIZE 64
static unsigned char sps_buffer[SPS_MAX_SIZE];
static int sps_size = 0;
static int video_fd = -1;
static void *buffers[BUFFER_COUNT];
static struct v4l2_buffer v4l2_buf;
static MppCtx mpp_ctx = NULL;
static MppApi *mpp_api = NULL;
static MppEncCfg cfg;
int video_init(const char *device) {
video_fd = open(device, O_RDWR);
if (video_fd < 0) {
perror("Failed to open video device");
return -1;
}
// Set video format
struct v4l2_format fmt;
memset(&fmt, 0, sizeof(fmt));
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
fmt.fmt.pix_mp.width = WIDTH;
fmt.fmt.pix_mp.height = HEIGHT;
fmt.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_BGR24;
fmt.fmt.pix_mp.num_planes = NUM_PLANES;
if (ioctl(video_fd, VIDIOC_S_FMT, &fmt) < 0) {
perror("Failed to set video format");
close(video_fd);
return -1;
}
// Request buffers
struct v4l2_requestbuffers req;
memset(&req, 0, sizeof(req));
req.count = BUFFER_COUNT;
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
req.memory = V4L2_MEMORY_MMAP;
if (ioctl(video_fd, VIDIOC_REQBUFS, &req) < 0) {
perror("Failed to request buffers");
close(video_fd);
return -1;
}
// Map buffers
struct v4l2_plane planes[1];
for (int i = 0; i < BUFFER_COUNT; i++) {
memset(&v4l2_buf, 0, sizeof(v4l2_buf));
memset(planes, 0, sizeof(planes));
v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
v4l2_buf.memory = V4L2_MEMORY_MMAP;
v4l2_buf.index = i;
v4l2_buf.m.planes = planes;
v4l2_buf.length = 1;
if (ioctl(video_fd, VIDIOC_QUERYBUF, &v4l2_buf) < 0) {
perror("Failed to query buffer");
close(video_fd);
return -1;
}
buffers[i] = mmap(NULL, planes[0].length, PROT_READ | PROT_WRITE, MAP_SHARED, video_fd, planes[0].m.mem_offset);
if (buffers[i] == MAP_FAILED) {
perror("Failed to map buffer");
close(video_fd);
return -1;
}
// Queue buffer
if (ioctl(video_fd, VIDIOC_QBUF, &v4l2_buf) < 0) {
perror("Failed to queue buffer");
close(video_fd);
return -1;
}
}
// Start streaming
int type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
if (ioctl(video_fd, VIDIOC_STREAMON, &type) < 0) {
perror("Failed to start streaming");
close(video_fd);
return -1;
}
return 0;
}
MppEncCfg mpp_enc_cfg(int fps, int bitrate) {
MppEncCfg cfg;
mpp_enc_cfg_init(&cfg);
mpp_enc_cfg_set_s32(cfg, "prep:width", WIDTH);
mpp_enc_cfg_set_s32(cfg, "prep:height", HEIGHT);
mpp_enc_cfg_set_s32(cfg, "prep:format", MPP_FMT_BGR888);
mpp_enc_cfg_set_s32(cfg, "prep:hor_stride", WIDTH * 3);
mpp_enc_cfg_set_s32(cfg, "prep:ver_stride", HEIGHT);
mpp_enc_cfg_set_s32(cfg, "rc:mode", MPP_ENC_RC_MODE_CBR);
mpp_enc_cfg_set_s32(cfg, "rc:fps_in_flex", 0); // Fixed input FPS
mpp_enc_cfg_set_s32(cfg, "rc:fps_in_num", fps); // Input FPS numerator
mpp_enc_cfg_set_s32(cfg, "rc:fps_in_denorm", 1); // Input FPS denominator
mpp_enc_cfg_set_s32(cfg, "rc:fps_out_flex", 0); // Fixed output FPS
mpp_enc_cfg_set_s32(cfg, "rc:fps_out_num", fps); // Output FPS numerator
mpp_enc_cfg_set_s32(cfg, "rc:fps_out_denorm", 1); // Output FPS denominator
mpp_enc_cfg_set_s32(cfg, "rc:gop", 5);
mpp_enc_cfg_set_u32(cfg, "rc:drop_mode", MPP_ENC_RC_DROP_FRM_DISABLED);
mpp_enc_cfg_set_u32(cfg, "rc:drop_thd", 20); /* 20% of max bps */
mpp_enc_cfg_set_u32(cfg, "rc:drop_gap", 1); /* Do not continuous drop frame */
mpp_enc_cfg_set_s32(cfg, "rc:bps_target", bitrate);
mpp_enc_cfg_set_s32(cfg, "rc:bps_max", bitrate * 17 / 16);
mpp_enc_cfg_set_s32(cfg, "rc:bps_min", bitrate * 15 / 16);
return cfg;
}
int mpp_init_wrapper(int fps, int bitrate) {
MPP_RET ret = mpp_create(&mpp_ctx, &mpp_api);
if (ret != MPP_OK)
return -1;
ret = mpp_init(mpp_ctx, MPP_CTX_ENC, MPP_VIDEO_CodingAVC);
if (ret != MPP_OK)
return -1;
MppPollType poll_type = MPP_POLL_BLOCK;
ret = mpp_api->control(mpp_ctx, MPP_SET_OUTPUT_TIMEOUT,(MppParam)&poll_type);
if (ret != MPP_OK) {
mpp_destroy(mpp_ctx);
return -1;
}
cfg = mpp_enc_cfg(fps, bitrate);
ret = mpp_api->control(mpp_ctx, MPP_ENC_SET_CFG, cfg);
if (ret != MPP_OK) {
mpp_destroy(mpp_ctx);
return -1;
}
// Get SPS and PPS information
MppPacket extra_pkt = NULL;
ret = mpp_api->control(mpp_ctx, MPP_ENC_GET_EXTRA_INFO, &extra_pkt);
if (ret == MPP_OK && extra_pkt) {
void *extra_data = mpp_packet_get_pos(extra_pkt);
size_t extra_size = mpp_packet_get_length(extra_pkt);
memcpy(sps_buffer, extra_data, extra_size);
sps_size = extra_size;
mpp_packet_deinit(&extra_pkt);
} else {
fprintf(stderr, "Failed to get SPS/PPS data from encoder\n");
}
return 0;
}
int get_sps(unsigned char *output, int *output_len) {
if (sps_size == 0) {
fprintf(stderr, "SPS data not available\n");
return -1;
}
memcpy(output, sps_buffer, sps_size);
*output_len = sps_size;
return 0;
}
int capture_and_encode(unsigned char *output, int *output_len) {
// Dequeue buffer
struct v4l2_plane planes[1];
memset(&v4l2_buf, 0, sizeof(v4l2_buf));
memset(planes, 0, sizeof(planes));
v4l2_buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
v4l2_buf.memory = V4L2_MEMORY_MMAP;
v4l2_buf.m.planes = planes;
v4l2_buf.length = NUM_PLANES;
if (ioctl(video_fd, VIDIOC_DQBUF, &v4l2_buf) < 0) {
perror("Failed to dequeue buffer");
return -1;
}
// Encode frame
MppFrame frame;
mpp_frame_init(&frame);
mpp_frame_set_width(frame, WIDTH);
mpp_frame_set_height(frame, HEIGHT);
mpp_frame_set_fmt(frame, MPP_FMT_BGR888);
MppBuffer frm_buf;
mpp_buffer_get(NULL, &frm_buf, planes[0].length);
memcpy(mpp_buffer_get_ptr(frm_buf), buffers[v4l2_buf.index], planes->bytesused);
mpp_frame_set_buffer(frame, frm_buf);
MPP_RET ret = mpp_api->encode_put_frame(mpp_ctx, frame);
if (ret == MPP_OK) {
MppPacket packet;
ret = mpp_api->encode_get_packet(mpp_ctx, &packet);
if (ret == MPP_OK) {
*output_len = mpp_packet_get_length(packet);
memcpy(output, mpp_packet_get_data(packet), *output_len);
mpp_packet_deinit(&packet);
}
}
mpp_frame_deinit(&frame);
mpp_buffer_put(frm_buf);
// Requeue buffer
ioctl(video_fd, VIDIOC_QBUF, &v4l2_buf);
return ret == MPP_OK ? 0 : -1;
}
void cleanup() {
//if (cfg) mpp_enc_cfg_deinit(cfg);
if (mpp_ctx) mpp_destroy(mpp_ctx);
if (video_fd >= 0) close(video_fd);
}

82
external/mpp/mpp.go vendored Normal file
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@@ -0,0 +1,82 @@
package mpp
/*
#cgo CFLAGS: -I/usr/include/rockchip/mpp
#cgo LDFLAGS: -L/usr/lib -lv4l2 -lrockchip_mpp
#include "mpp.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <linux/videodev2.h>
#include <rockchip/mpp_buffer.h>
#include <rockchip/mpp_err.h>
#include <rockchip/mpp_frame.h>
#include <rockchip/mpp_packet.h>
#include <rockchip/rk_mpi.h>
*/
import "C"
import (
"errors"
"fmt"
"unsafe"
)
var mpp *MPP
type MPP struct {
}
func New(device string, fps int, bitrate int) (*MPP, error) {
cDevice := C.CString(device)
defer C.free(unsafe.Pointer(cDevice))
if C.video_init(cDevice) != 0 {
return nil, errors.New("failed to initialize video capture")
}
if C.mpp_init_wrapper(C.int(fps), C.int(bitrate)) != 0 {
return nil, errors.New("failed to initialize MPP")
}
return &MPP{}, nil
}
func GetSPS() ([]byte, error) {
output := make([]byte, 64) // Allocate buffer for SPS
var outputLen C.int
ret := C.get_sps((*C.uchar)(unsafe.Pointer(&output[0])), &outputLen)
if ret != 0 {
return nil, fmt.Errorf("failed to retrieve SPS: %v", ret)
}
return output[:outputLen], nil
}
func (m *MPP) CaptureAndEncode() ([]byte, error) {
output := make([]byte, 1024*1024) // 1MB buffer
var outputLen C.int
ret := C.capture_and_encode((*C.uchar)(unsafe.Pointer(&output[0])), &outputLen)
if ret != 0 {
return nil, errors.New("failed to capture and encode frame")
}
return output[:outputLen], nil
}
func (m *MPP) Close() {
C.cleanup()
}
func NewTest(device string) error {
var err error
mpp, err = New(device, 60, 10000*1000)
return err
}
func GetInstance() *MPP {
return mpp
}

10
external/mpp/mpp.h vendored Normal file
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@@ -0,0 +1,10 @@
#ifndef MPP_H
#define MPP_H
int video_init(const char *device);
int mpp_init_wrapper(int fps, int bitrate);
int get_sps(unsigned char *output, int *output_len);
int capture_and_encode(unsigned char *output, int *output_len);
void cleanup();
#endif

View File

@@ -1,4 +1,4 @@
package stream
package process
import (
"io"
@@ -17,7 +17,6 @@ type ExtProcess struct {
running bool
stopChan chan struct{}
finished chan struct{}
state State
stdin io.WriteCloser
}

136
external/process/pipedprocess.go vendored Normal file
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@@ -0,0 +1,136 @@
package process
import (
"os"
"os/exec"
"strings"
"sync"
"syscall"
log "github.com/sirupsen/logrus"
)
// PipedCmd struct manages a sequence of piped commands.
type PipedCmd struct {
cmds []*exec.Cmd
mu sync.Mutex
running bool
}
// InitPipedCmd initializes a PipedCmd instance with a sequence of commands.
func InitPipedCmd(cmd string) *PipedCmd {
pipedCmd := &PipedCmd{}
pipedCmd.ChangeCmd(cmd)
return pipedCmd
}
func (p *PipedCmd) ChangeCmd(cmd string) {
cmds := strings.Split(cmd, "|")
for i, c := range cmds {
cmds[i] = strings.TrimSpace(c)
}
log.Debugf("Cmds: %+v", cmds)
pipedCmds := make([]*exec.Cmd, len(cmds))
// Initialize each command in the sequence
for i, cmd := range cmds {
if len(cmd) == 0 {
continue
}
cmdArgs := strings.Split(cmd, " ")
pipedCmds[i] = exec.Command(cmdArgs[0], cmdArgs[1:]...)
}
p.cmds = pipedCmds
}
// Start begins execution of all commands in the piped sequence.
func (p *PipedCmd) Start() error {
p.mu.Lock()
defer p.mu.Unlock()
if p.running {
log.Debugf("Process is already running.")
return nil
}
// Pipe each command's output to the next command's input
for i := 0; i < len(p.cmds)-1; i++ {
stdout, err := p.cmds[i].StdoutPipe()
if err != nil {
return err
}
p.cmds[i+1].Stdin = stdout
}
// pipe stdout and stderr of the last command into os
p.cmds[len(p.cmds)-1].Stdout = os.Stdout
p.cmds[len(p.cmds)-1].Stderr = os.Stderr
// Start each command in the sequence
for _, cmd := range p.cmds {
if err := cmd.Start(); err != nil {
p.terminateAll()
return err
} else {
log.Debugf("Started process: (%d) %v", cmd.Process.Pid, cmd.Args)
}
}
p.running = true
// Monitor commands in a goroutine to handle failures
go p.monitorCommands()
return nil
}
// monitorCommands waits for each command to finish and checks for errors.
func (p *PipedCmd) monitorCommands() {
var wg sync.WaitGroup
wg.Add(len(p.cmds))
for _, cmd := range p.cmds {
go func(cmd *exec.Cmd) {
defer wg.Done()
err := cmd.Wait()
if err != nil && err.Error() != "signal: terminated" {
log.Debugf("Command failed: %v", err)
p.terminateAll() // Terminate all if any command fails
}
}(cmd)
}
// Wait for all commands to complete or terminate
wg.Wait()
p.mu.Lock()
defer p.mu.Unlock()
p.running = false
}
// terminateAll sends a termination signal to all running commands.
func (p *PipedCmd) terminateAll() {
for _, cmd := range p.cmds {
if cmd.Process != nil {
log.Debugf("Sending SIGTERM to: (%d) %v", cmd.Process.Pid, cmd.Args)
_ = cmd.Process.Signal(syscall.SIGTERM) // Send SIGTERM to allow graceful termination
}
}
p.running = false
}
// Stop manually stops all commands in the sequence.
func (p *PipedCmd) Stop() {
p.mu.Lock()
defer p.mu.Unlock()
if !p.running {
log.Debug("Process is not running.")
return
}
log.Debug("Stopping process...")
p.terminateAll()
}

2
go.mod
View File

@@ -10,6 +10,7 @@ require (
github.com/gorilla/websocket v1.5.3
github.com/pion/webrtc/v4 v4.0.1
github.com/sirupsen/logrus v1.9.3
gopkg.in/yaml.v3 v3.0.1
)
require (
@@ -54,5 +55,4 @@ require (
golang.org/x/sys v0.26.0 // indirect
golang.org/x/text v0.19.0 // indirect
google.golang.org/protobuf v1.34.1 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

View File

@@ -1,47 +0,0 @@
package stream
import (
"io"
"net/http"
"os/exec"
"github.com/gin-gonic/gin"
log "github.com/sirupsen/logrus"
)
type Audio struct {
}
func AudioHandler(c *gin.Context) {
cmd := exec.Command("ffmpeg",
"-f", "alsa",
"-i", "hw:0,0",
"-acodec", "aac",
"-f", "mp4", "-")
//c := "arecord -D hw:0,0 -f cd -r 44100 -c 2 | /app/ffmpeg -re -f wav -i pipe:0 -c:a aac -b:a 128k -ar 44100 -ac 2 -f rtp rtp://127.0.0.1:5006?pkt_size=1200"
//cmd := exec.Command("sh", "-c", c)
// ffmpeg -f alsa -i hw:0,0 -acodec aac -f mp4 -
stdout, err := cmd.StdoutPipe()
if err != nil {
c.String(http.StatusInternalServerError, "Failed to capture audio: %v", err)
log.Errorf("Failed to capture audio: %v", err)
return
}
if err := cmd.Start(); err != nil {
c.String(http.StatusInternalServerError, "Failed to start ffmpeg: %v", err)
log.Errorf("Failed to start ffmpeg: %v", err)
return
}
defer cmd.Wait()
//c.Header("Content-Type", "audio/aac")
c.Header("Content-Type", "audio/wav")
c.Header("Transfer-Encoding", "chunked")
if _, err := io.Copy(c.Writer, stdout); err != nil {
c.String(http.StatusInternalServerError, "Failed to stream audio: %v", err)
log.Errorf("Failed to stream audio: %v", err)
return
}
}

View File

@@ -1,269 +0,0 @@
package stream
import (
"log"
"os/exec"
"strings"
"sync"
"syscall"
)
var pipedCmd *PipedCmd
// PipedCmd struct manages a sequence of piped commands.
type PipedCmd struct {
cmds []*exec.Cmd
mu sync.Mutex
running bool
finished chan struct{}
}
// InitPipedCmd initializes a PipedCmd instance with a sequence of commands.
func InitPipedCmd(cmds []string) *PipedCmd {
pipedCmds := make([]*exec.Cmd, len(cmds))
// Initialize each command in the sequence
for i, cmd := range cmds {
if len(cmd) == 0 {
continue
}
cmdArgs := strings.Split(cmd, " ")
pipedCmds[i] = exec.Command(cmdArgs[0], cmdArgs[1:]...)
}
pipedCmd = &PipedCmd{
cmds: pipedCmds,
finished: make(chan struct{}),
}
return pipedCmd
}
// Start begins execution of all commands in the piped sequence.
func (p *PipedCmd) Start() error {
p.mu.Lock()
defer p.mu.Unlock()
if p.running {
log.Println("Process is already running.")
return nil
}
// Pipe each command's output to the next command's input
for i := 0; i < len(p.cmds)-1; i++ {
stdout, err := p.cmds[i].StdoutPipe()
if err != nil {
return err
}
p.cmds[i+1].Stdin = stdout
}
// Start each command in the sequence
for _, cmd := range p.cmds {
if err := cmd.Start(); err != nil {
p.terminateAll() // Clean up if any command fails to start
return err
}
}
p.running = true
// Monitor commands in a goroutine to handle failures
go p.monitorCommands()
return nil
}
// monitorCommands waits for each command to finish and checks for errors.
func (p *PipedCmd) monitorCommands() {
var wg sync.WaitGroup
wg.Add(len(p.cmds))
for _, cmd := range p.cmds {
go func(cmd *exec.Cmd) {
defer wg.Done()
err := cmd.Wait()
if err != nil {
log.Printf("Command failed: %v", err)
p.terminateAll() // Terminate all if any command fails
}
}(cmd)
}
// Wait for all commands to complete or terminate
wg.Wait()
p.mu.Lock()
p.running = false
close(p.finished)
p.mu.Unlock()
}
// terminateAll sends a termination signal to all running commands.
func (p *PipedCmd) terminateAll() {
p.mu.Lock()
defer p.mu.Unlock()
for _, cmd := range p.cmds {
if cmd.Process != nil {
_ = cmd.Process.Signal(syscall.SIGTERM) // Send SIGTERM to allow graceful termination
}
}
}
// Stop manually stops all commands in the sequence.
func (p *PipedCmd) Stop() {
p.mu.Lock()
defer p.mu.Unlock()
if !p.running {
log.Println("Process is not running.")
return
}
log.Println("Stopping process...")
p.terminateAll()
p.running = false
close(p.finished)
}
/*
import (
"os"
"os/exec"
"strings"
"sync"
log "github.com/sirupsen/logrus"
)
type PipedCmd struct {
cmds []string
cmdsExec []*exec.Cmd
mu sync.Mutex
running bool
stopChan chan struct{}
finished chan struct{}
}
// Init initializes the PipedCmd with a slice of command strings
func InitPipedCmd(cmds []string) *PipedCmd {
return &PipedCmd{
cmds: cmds,
}
}
// Start initializes and starts the piped commands
func (p *PipedCmd) Start() {
p.mu.Lock()
defer p.mu.Unlock()
if p.running {
log.Debug("process is already running.")
return
}
p.stopChan = make(chan struct{})
p.finished = make(chan struct{})
log.Debugf("Starting piped commands: <%s>", strings.Join(p.cmds, " | "))
// Create commands and set up pipes
for i, cmdStr := range p.cmds {
// Split command string into command and arguments
cmdParts := strings.Fields(cmdStr)
if len(cmdParts) == 0 {
log.Errorf("Empty command string at index %d", i)
continue
}
cmd := exec.Command(cmdParts[0], cmdParts[1:]...)
// Set up pipes for stdin/stdout
if i > 0 {
stdin, err := p.cmdsExec[i-1].StdoutPipe()
if err != nil {
log.Errorf("Couldn't set up stdout pipe for command %s: %v", p.cmdsExec[i-1].Path, err)
return
}
cmd.Stdin = stdin
}
cmd.Stderr = os.Stderr // Log stderr to standard error output
p.cmdsExec = append(p.cmdsExec, cmd)
}
// Start the first command
if err := p.cmdsExec[0].Start(); err != nil {
log.Errorf("Failed to start command: %v", err)
return
}
p.running = true
// Start remaining commands
for _, cmd := range p.cmdsExec[1:] {
if err := cmd.Start(); err != nil {
log.Errorf("Failed to start command: %v", err)
return
}
}
go func() {
// Wait for the last command to finish
err := p.cmdsExec[len(p.cmdsExec)-1].Wait()
p.running = false
log.Errorf("process exited with error: %v", err)
// Signal that the process has finished
close(p.finished)
close(p.stopChan)
}()
}
// Stop terminates the piped commands gracefully
func (p *PipedCmd) Stop() {
p.mu.Lock()
defer p.mu.Unlock()
if !p.running {
log.Debug("process is not running.")
return
}
log.Warn("Stopping process...")
for _, cmd := range p.cmdsExec {
if err := cmd.Process.Kill(); err != nil {
log.Errorf("Failed to kill process: %v", err)
}
}
select {
case <-p.finished:
log.Info("stopped as expected")
case <-p.stopChan:
log.Info("was killed")
}
p.running = false
}
// ChangeArgs updates the command arguments
func (p *PipedCmd) ChangeArgs(newCmds []string) {
p.mu.Lock()
defer p.mu.Unlock()
p.cmds = newCmds
log.Printf("Updated process commands: %v", p.cmds)
}
// Watch monitors the process and restarts if it stops unexpectedly
func (p *PipedCmd) Watch() {
for {
select {
case <-p.stopChan:
log.Errorf("process stopped unexpectedly. Restarting...")
p.Start()
}
}
}
*/

View File

@@ -6,11 +6,11 @@ import (
"os/exec"
"path/filepath"
"rkkvm/config"
"rkkvm/http/hw/hid"
"rkkvm/http/hw/stream"
"rkkvm/hid"
"rkkvm/http/middleware"
"rkkvm/http/reqrsp"
"rkkvm/http/ws"
"rkkvm/stream"
"strings"
"github.com/gin-gonic/gin"
@@ -21,7 +21,6 @@ func Api(e *gin.Engine) {
api := e.Group("/api").Use(middleware.CheckToken())
api.GET("/stream/mjpeg", stream.MjpegHandler)
api.GET("/stream/audio", stream.AudioHandler)
api.GET("/ws", ws.ConnHandler)
api.POST("/stream/webrtc", stream.WebRTCPeerConnect)

View File

@@ -2,7 +2,7 @@ package route
import (
"net/http"
"rkkvm/http/hw/stream"
"rkkvm/external/ffmpeg"
"rkkvm/http/middleware"
"rkkvm/http/reqrsp"
@@ -55,7 +55,7 @@ func SetScreen(c *gin.Context) {
return
}
ffmpeg := stream.GetFFmpeg()
ffmpeg := ffmpeg.GetFFmpeg()
switch req.Type {
case "fps":
ffmpeg.SetFPS(req.Value)
@@ -70,9 +70,14 @@ func SetScreen(c *gin.Context) {
})
return
}
/*
log.Debug("Stopping ffmpeg SetScreen")
ffmpeg.Stop()
time.Sleep(100 * time.Millisecond)
ffmpeg.ApplyOptions()
log.Debug("Starting ffmpeg SetScreen")
ffmpeg.Start()
*/
log.Debugf("update screen: %+v", req)
c.JSON(http.StatusOK, reqrsp.NanoKVMRsp{
Msg: reqrsp.MsgSuccess,

View File

@@ -26,11 +26,6 @@ func initUDPListener(host string, port int) (*net.UDPConn, error) {
}
func InitListener(host string, port int, aPort int) (*RTC, error) {
vl, err := initUDPListener(host, port)
if err != nil {
return nil, err
}
al, err := initUDPListener(host, aPort)
if err != nil {
return nil, err
@@ -40,16 +35,13 @@ func InitListener(host string, port int, aPort int) (*RTC, error) {
switch config.Get().Video.Codec {
case config.StreamSourceH264:
mimeType = webrtc.MimeTypeH264
case config.StreamSourceHevc: // WebRTC currently has no official support for H265
mimeType = webrtc.MimeTypeH265
default:
return nil, ErrWebRTCParam("unknown video codec: %s", config.Get().Video.Codec)
}
video, _ := webrtc.NewTrackLocalStaticRTP(webrtc.RTPCodecCapability{MimeType: mimeType}, "video", "rkkvm")
video, _ := webrtc.NewTrackLocalStaticSample(webrtc.RTPCodecCapability{MimeType: mimeType}, "video", "rkkvm")
audio, _ := webrtc.NewTrackLocalStaticRTP(webrtc.RTPCodecCapability{MimeType: webrtc.MimeTypeOpus}, "audio", "rkkvm")
rtc = &RTC{
videoListener: vl,
audioListener: al,
peers: make(map[string]*webrtc.PeerConnection),
videoTrack: video,

View File

@@ -4,12 +4,15 @@ import (
"errors"
"fmt"
"net"
"rkkvm/external/mpp"
"sync"
"time"
"github.com/google/uuid"
log "github.com/sirupsen/logrus"
"github.com/pion/webrtc/v4"
"github.com/pion/webrtc/v4/pkg/media"
)
var rtc *RTC
@@ -26,9 +29,8 @@ var ErrPeerClosedConn = ErrWebRTCParam("peer closed conn")
type RTC struct {
peers map[string]*webrtc.PeerConnection
videoListener *net.UDPConn
audioListener *net.UDPConn
videoTrack *webrtc.TrackLocalStaticRTP
videoTrack *webrtc.TrackLocalStaticSample
audioTrack *webrtc.TrackLocalStaticRTP
m sync.Mutex
}
@@ -37,6 +39,10 @@ func (r *RTC) AddPeer(p *webrtc.PeerConnection, offer webrtc.SessionDescription)
peerID := uuid.New().String()
r.m.Lock()
r.peers[peerID] = p
/*if len(r.peers) == 1 {
ffmpeg.GetFFmpeg().Start()
log.Info("FFmpeg process started")
}*/
r.m.Unlock()
p.OnConnectionStateChange(func(connState webrtc.PeerConnectionState) {
@@ -44,6 +50,10 @@ func (r *RTC) AddPeer(p *webrtc.PeerConnection, offer webrtc.SessionDescription)
r.m.Lock()
defer r.m.Unlock()
delete(r.peers, peerID)
/*if len(r.peers) == 0 {
ffmpeg.GetFFmpeg().Stop()
log.Info("No clients anymore, stop ffmpeg process")
}*/
p.Close()
peers := make([]string, 0, len(r.peers))
@@ -84,7 +94,42 @@ func (r *RTC) AddPeer(p *webrtc.PeerConnection, offer webrtc.SessionDescription)
}
func (r *RTC) VideoListenerRead() {
listenerRead(r.videoListener, r.videoTrack)
duration := time.Second / time.Duration(60)
ticker := time.NewTicker(duration)
defer ticker.Stop()
// Retrieve SPS and PPS once at the start
sps, err := mpp.GetSPS()
if err != nil {
log.Fatalf("Failed to retrieve SPS: %v", err)
}
firstFrame := true
for {
select {
case <-ticker.C:
frame, err := mpp.GetInstance().CaptureAndEncode()
if err != nil {
log.Errorf("failed to capture frame: %v", err)
continue
}
// If this is the first frame or an IDR frame, prepend SPS and PPS
if firstFrame || isIDRFrame(frame) {
firstFrame = false
frame = append(sps, frame...)
}
sample := media.Sample{
Data: frame,
Duration: duration,
}
err = r.videoTrack.WriteSample(sample)
if err != nil {
log.Errorf("failed to write sample: %v", err)
}
}
}
}
func (r *RTC) AudioListenerRead() {
@@ -92,7 +137,6 @@ func (r *RTC) AudioListenerRead() {
}
func (r *RTC) Close() error {
r.videoListener.Close()
r.audioListener.Close()
return nil
@@ -137,3 +181,16 @@ func processRTCP(rtpSender *webrtc.RTPSender) {
}
}()
}
func isIDRFrame(frame []byte) bool {
// Check for NAL unit type 5 (IDR)
for i := 0; i < len(frame)-4; i++ {
if frame[i] == 0x00 && frame[i+1] == 0x00 && frame[i+2] == 0x00 && frame[i+3] == 0x01 {
nalType := frame[i+4] & 0x1F
if nalType == 5 { // IDR frame
return true
}
}
}
return false
}

View File

@@ -5,7 +5,7 @@ import (
"net"
"net/http"
"rkkvm/config"
"rkkvm/http/hw/hid"
"rkkvm/hid"
"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"

View File

@@ -2,6 +2,7 @@ package stream
import (
"rkkvm/config"
"rkkvm/external/process"
"time"
log "github.com/sirupsen/logrus"
@@ -10,13 +11,14 @@ import (
var ustreamer *UStreamer
type UStreamer struct {
*ExtProcess
*process.ExtProcess
config.UStreamer
state State
}
func InitUStreamer(path string, args []string) *UStreamer {
ustreamer = &UStreamer{
ExtProcess: Init(path, args),
ExtProcess: process.Init(path, args),
UStreamer: config.Get().UStreamer,
}
return ustreamer

View File

@@ -6,8 +6,9 @@ import (
"io"
"net/http"
"rkkvm/config"
"rkkvm/http/hw/rtc"
"rkkvm/external/ffmpeg"
"rkkvm/http/reqrsp"
"rkkvm/http/rtc"
"strconv"
"github.com/gin-gonic/gin"
@@ -172,7 +173,7 @@ func WebRTCSettings(c *gin.Context) {
return
}
ffmpeg := GetFFmpeg()
ffmpeg := ffmpeg.GetFFmpeg()
if len(bitrateStr) > 0 {
bitrate, err := strconv.Atoi(bitrateStr)
@@ -192,6 +193,6 @@ func WebRTCSettings(c *gin.Context) {
ffmpeg.SetFPS(fps)
}
ffmpeg.Stop()
ffmpeg.Start()
//ffmpeg.Stop()
//ffmpeg.Start()
}