Working on getting rtmp to youtube. Have a testing file to start with

mpegts/MpegTs.go

@@ -29,8 +29,8 @@ LICENSE
 package mpegts
 
 import (
-	"bitbucket.org/ausocean/av/tools"
-	//"../tools"
+	//"bitbucket.org/ausocean/av/tools"
+	"../tools"
 
 	"errors"
 	//"fmt"

parser/H264Writer.go

@@ -32,14 +32,14 @@ import (
   _"fmt"
   "os"
 
-  "bitbucket.org/ausocean/av/mpegts"
-  "bitbucket.org/ausocean/av/rtp"
-  "bitbucket.org/ausocean/av/tools"
-  "bitbucket.org/ausocean/av/itut"
-  //"../mpegts"
-  //"../rtp"
-  //"../tools"
-  //"../itut"
+  //"bitbucket.org/ausocean/av/mpegts"
+  //"bitbucket.org/ausocean/av/rtp"
+  //"bitbucket.org/ausocean/av/tools"
+  //"bitbucket.org/ausocean/av/itut"
+  "../mpegts"
+  "../rtp"
+  "../tools"
+  "../itut"
 )
 
 type RtpToH264Converter interface {

parser/Parser.go

@@ -28,8 +28,8 @@ LICENSE
 package parser
 
 import (
-  "bitbucket.org/ausocean/av/itut"
-  //"../itut"
+  //"bitbucket.org/ausocean/av/itut"
+  "../itut"
   "log"
   "sync"
   _"time"

pes/Pes.go

@@ -27,8 +27,8 @@ LICENSE
 package pes
 
 import (
-	"bitbucket.org/ausocean/av/tools"
-	//"../tools"
+	//"bitbucket.org/ausocean/av/tools"
+	"../tools"
 )
 
 const (

revid/RevidInstance.go

@@ -42,29 +42,30 @@ import (
 	"strconv"
 	"time"
 
-	"bitbucket.org/ausocean/av/parser"
-	"bitbucket.org/ausocean/av/tsgenerator"
-	//"../parser"
-	//"../tsgenerator"
+	//"bitbucket.org/ausocean/av/parser"
+	//"bitbucket.org/ausocean/av/tsgenerator"
+	"../parser"
+	"../tsgenerator"
 
-	"bitbucket.org/ausocean/av/ringbuffer"
-	"bitbucket.org/ausocean/utils/smartLogger"
-	//"../../utils/smartLogger"
-	//"../ringbuffer"
+	//"bitbucket.org/ausocean/av/ringbuffer"
+	//"bitbucket.org/ausocean/utils/smartLogger"
+	"../../utils/smartLogger"
+	"../ringbuffer"
 )
 
 // Misc constants
 const (
-	clipDuration         = 1                   // s
-	mp2tPacketSize       = 188                 // MPEG-TS packet size
-	mp2tMaxPackets       = 2016 * clipDuration // # first multiple of 7 and 8 greater than 2000
-	ringBufferSize           = 100 / clipDuration
+	clipDuration          = 1                   // s
+	mp2tPacketSize        = 188                 // MPEG-TS packet size
+	mp2tMaxPackets        = 2016 * clipDuration // # first multiple of 7 and 8 greater than 2000
+	ringBufferSize        = 100 / clipDuration
 	ringBufferElementSize = 1000000
-	httpTimeOut          = 5 // s
-	packetsPerFrame      = 7
-	h264BufferSize       = 1000000
-	bitrateTime          = 60
-	mjpegParserInChanLen = 100000
+	httpTimeOut           = 5 // s
+	packetsPerFrame       = 7
+	h264BufferSize        = 1000000
+	bitrateTime           = 60
+	mjpegParserInChanLen  = 100000
+	ffmpegPath            = "/home/$USER/bin/ffmpeg"
 )
 
 // Log Types
@@ -82,8 +83,8 @@ type Config struct {
 	InputCodec         uint8
 	Output             uint8
 	RtmpEncodingMethod uint8
-	RtmpURL string
-	Bitrate		string
+	RtmpUrl            string
+	Bitrate            string
 	OutputFileName     string
 	InputFileName      string
 	Height             string
@@ -109,9 +110,9 @@ const (
 	Mjpeg          = 7
 	None           = 8
 	Mpegts         = 9
-	Rtmp = 10
-	Ffmpeg = 11
-	Revid = 12
+	Rtmp           = 10
+	Ffmpeg         = 11
+	Revid          = 12
 )
 
 // Default config settings
@@ -120,9 +121,9 @@ const (
 	defaultWidth              = "1280"
 	defaultHeight             = "720"
 	defaultIntraRefreshPeriod = "100"
-	defaultTimeout = "0"
-	defaultQuantization = "35"
-	defaultBitrate = "0"
+	defaultTimeout            = "0"
+	defaultQuantization       = "35"
+	defaultBitrate            = "0"
 )
 
 // RevidInst provides methods to control a revidInst session; providing methods
@@ -148,7 +149,9 @@ type revidInst struct {
 	generator       tsgenerator.TsGenerator
 	parser          parser.Parser
 	cmd             *exec.Cmd
+	ffmpegCmd       *exec.Cmd
 	inputReader     *bufio.Reader
+	ffmpegStdin     io.WriteCloser
 	mjpegOutputChan chan []byte
 }
 
@@ -233,7 +236,7 @@ func (r *revidInst) ChangeState(config Config) error {
 		if config.Quantization != "" {
 			quantization, _ := strconv.Atoi(config.Quantization)
 			if quantization > 0 || config.Bitrate == "" {
-			return errors.New("Bad bitrate or quantization for mjpeg input!")
+				return errors.New("Bad bitrate or quantization for mjpeg input!")
 			}
 		}
 	case NothingDefined:
@@ -253,10 +256,13 @@ func (r *revidInst) ChangeState(config Config) error {
 		switch config.RtmpEncodingMethod {
 		case Revid:
 		case Ffmpeg:
-		case NothingDefine:
+		case NothingDefined:
 			r.Log(Warning, "No RTMP encoding method defined, defautling to ffmpeg!")
 			config.RtmpEncodingMethod = Ffmpeg
 		}
+		if config.RtmpUrl == "" {
+			return errors.New("Bad RTMP URL")
+		}
 	case NothingDefined:
 		r.Log(Warning, "No output defined, defaulting to httpOut!")
 		config.Output = HttpOut
@@ -327,7 +333,6 @@ func (r *revidInst) ChangeState(config Config) error {
 			return errors.New("Bad quantization defined in config!")
 		}
 	}
-
 	r.config = config
 	return nil
 }
@@ -356,7 +361,7 @@ func (r *revidInst) Start() {
 		return
 	}
 	r.Log(Info, "Starting Revid!")
-
+	// Configure input
 	switch r.config.Input {
 	case Raspivid:
 		r.Log(Info, "Starting raspivid!")
@@ -384,7 +389,6 @@ func (r *revidInst) Start() {
 				"-fps", r.config.FrameRate,
 			)
 		}
-
 		stdout, _ := r.cmd.StdoutPipe()
 		err := r.cmd.Start()
 		r.inputReader = bufio.NewReader(stdout)
@@ -407,8 +411,39 @@ func (r *revidInst) Start() {
 			r.Stop()
 			return
 		}
-		for i := range data {
-			r.parser.GetInputChan() <- data[i]
+		go func() = {
+			for i := range data {
+				r.parser.GetInputChan() <- data[i]
+			}
+		}{}
+
+	}
+
+	// Configure output
+	switch r.config.Output {
+	case Rtmp:
+		r.ffmpegCmd = exec.Command(ffmpegPath,
+			"-f", "h264",
+			"-r", r.config.FrameRate,
+			"-i", "-",
+			"-itsoffset", "5.5",
+			"-fflags", "nobuffer",
+			"-vcodec", "copy",
+			"-strict", "experimental",
+			"-f", "flv",
+			r.config.RtmpUrl,
+		)
+		err := r.ffmpegCmd.Start()
+		if err != nil {
+			r.Log(Error, err.Error())
+			r.Stop()
+			return
+		}
+		r.ffmpegStdin, err = r.ffmpegCmd.StdinPipe()
+		if err != nil {
+			r.Log(Error, err.Error())
+			r.Stop()
+			return
 		}
 	}
 	go r.readCamera()
@@ -474,8 +509,10 @@ func (r *revidInst) packClips() {
 			for {
 				switch r.config.Packetization {
 				case None:
+
 					frame := <-r.mjpegOutputChan
 					upperBound := clipSize + len(frame)
+					fmt.Printf("clipSize: %v\n len(frame): %v\n", clipSize, len(frame))
 					copy(clip[clipSize:upperBound], frame)
 					packetCount++
 					clipSize += len(frame)
@@ -515,6 +552,7 @@ func (r *revidInst) outputClips() {
 	bytes := 0
 	delay := 0
 	for r.isRunning {
+		// Here we slow things down as much as we can to decrease cpu usage
 		switch {
 		case r.ringBuffer.GetNoOfElements() < 2:
 			delay++
@@ -522,12 +560,15 @@ func (r *revidInst) outputClips() {
 		case delay > 10:
 			delay -= 10
 		}
+
+		// If the ringbuffer has something we can read and send off
 		if clip, err := r.ringBuffer.Read(); err == nil {
 			r.Log(Debug, fmt.Sprintf("Delay is: %v\n", delay))
 			r.Log(Debug, fmt.Sprintf("Ring buffer size: %v\n", r.ringBuffer.GetNoOfElements()))
+
+			// Output clip to the output specified in the configuration struct
 			switch r.config.Output {
 			case File:
-				fmt.Println("")
 				r.outputFile.Write(clip)
 			case HttpOut:
 				bytes += len(clip)
@@ -536,12 +577,19 @@ func (r *revidInst) outputClips() {
 					r.Log(Warning, "Post failed trying again!")
 					err = r.sendClipToHTTP(clip, r.config.HttpAddress)
 				}
+			case Rtmp:
+				_, err := r.ffmpegStdin.Write(clip)
+				if err != nil {
+					r.Log(Error, err.Error())
+				}
 			default:
 				r.Log(Error, "No output defined!")
 			}
 			if err := r.ringBuffer.DoneReading(); err != nil {
 				r.Log(Error, err.Error())
 			}
+
+			// Log some information regarding bitrate and ring buffer size if it's time
 			now = time.Now()
 			deltaTime := now.Sub(prevTime)
 			if deltaTime > time.Duration(bitrateTime)*time.Second {

revid/revid_test.go

@@ -71,7 +71,7 @@ func TestRaspividH264Input(t *testing.T){
   time.Sleep(100*time.Second)
   revidInst.Stop()
 }
-*/
+
 
 // Test revidInst with a raspivid mjpeg input
 func TestRaspividMJPEGInput(t *testing.T){
@@ -94,3 +94,26 @@ func TestRaspividMJPEGInput(t *testing.T){
   time.Sleep(20*time.Second)
   revidInst.Stop()
 }
+*/
+
+// Test revidInst with rtmp output
+func TestRtmpOutput(t *testing.T){
+  config := Config{
+    Input: File,
+    InputFileName: "testInput.h264",
+    InputCodec: H264,
+    Output: Rtmp,
+    RtmpUrl: "-",
+    Width: "1280",
+    Height: "720",
+    FrameRate: "25",
+  }
+  revidInst, err := NewRevidInstance(config)
+  if err != nil {
+    t.Errorf("Should not of have got an error!: %v\n", err.Error())
+    return
+  }
+  revidInst.Start()
+  time.Sleep(60*time.Second)
+  revidInst.Stop()
+}

tools/helpers.go

@@ -31,8 +31,8 @@ package tools
 import (
 	_"os"
 	_"fmt"
-	"bitbucket.org/ausocean/av/rtp"
-	//"../rtp"
+	//"bitbucket.org/ausocean/av/rtp"
+	"../rtp"
 )
 
 func BoolToByte(in bool) (out byte) {

tsgenerator/TsGenerator.go

@@ -31,14 +31,14 @@ package tsgenerator
 import (
 	_"fmt"
 	_"os"
-	"bitbucket.org/ausocean/av/mpegts"
-	"bitbucket.org/ausocean/av/pes"
-	"bitbucket.org/ausocean/av/tools"
-	"bitbucket.org/ausocean/av/rtp"
-	//"../mpegts"
-	//"../pes"
-	//"../tools"
-	//"../rtp"
+	//"bitbucket.org/ausocean/av/mpegts"
+	//"bitbucket.org/ausocean/av/pes"
+	//"bitbucket.org/ausocean/av/tools"
+	//"bitbucket.org/ausocean/av/rtp"
+	"../mpegts"
+	"../pes"
+	"../tools"
+	"../rtp"
 )
 
 var (