support dvr. change to 0.9.69

@@ -113,14 +113,14 @@ vhost demo.srs.com {
         }
     }
     ingest {
-        enable      on;
+        enabled      on;
         input {
             type    file;
             url     ./doc/source.200kbps.768x320.flv;
         }
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
         engine {
-            enable          off;
+            enabled          off;
             output          rtmp://127.0.0.1:[port]/live?vhost=[vhost]/livestream;
         }
     }
@@ -158,14 +158,14 @@ vhost players {
         }
     }
     ingest {
-        enable      on;
+        enabled      on;
         input {
             type    file;
             url     ./doc/source.200kbps.768x320.flv;
         }
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
         engine {
-            enable          off;
+            enabled          off;
             output          rtmp://127.0.0.1:[port]/live?vhost=[vhost]/demo;
         }
     }

@@ -91,15 +91,39 @@ http_stream {
 vhost __defaultVhost__ {
 }
 
+# vhost for dvr
+vhost dvr.srs.com {
+    # dvr RTMP stream to file,
+    # when encoder(FMLE/ffmpeg/flash) start to publish,
+    # start the dvr and record RTMP to file(flv).
+    # stop record when encoder stop to publish.
+    dvr {
+        # whether enabled dvr features
+        # default: off
+        enabled      on;
+        # the dvr output path.
+        # the app dir is auto created under the dvr_path.
+        # for example, for rtmp stream:
+        #   rtmp://127.0.0.1/live/livestream
+        #   http://127.0.0.1/live/livestream.m3u8
+        # where dvr_path is /dvr, srs will create the following files:
+        #   /dvr/live       the app dir for all streams.
+        #   /dvr/live/livestream.flv   the dvr flv file.
+        # in a word, the dvr_path is for vhost.
+        # default: ./objs/nginx/html
+        dvr_path    ./objs/nginx/html;
+    }
+}
+
 # vhost for ingest
 vhost ingest.srs.com {
     # ingest file/stream/device then push to SRS over RTMP.
     # the name/id used to identify the ingest, must be unique in global.
     # ingest id is used in reload or http api management.
     ingest livestream {
-        # whether enable ingest features
+        # whether enabled ingest features
         # default: off
-        enable      on;
+        enabled      on;
         # input file/stream/device
         # @remark only support one input.
         input {
@@ -121,7 +145,7 @@ vhost ingest.srs.com {
             # @see enabled of transcode engine.
             # if disabled or vcodec/acodec not specified, use copy.
             # default: off.
-            enable          off;
+            enabled          off;
             # output stream. variables:
             # [vhost] current vhost which start the ingest.
             # [port] system RTMP stream port.
@@ -134,7 +158,7 @@ vhost ingest.srs.com {
 vhost http.srs.com {
     # http vhost specified config
     http {
-        # whether enable the http streaming service for vhost.
+        # whether enabled the http streaming service for vhost.
         # default: off
         enabled     on;
         # the virtual directory root for this vhost to mount at
@@ -743,7 +767,7 @@ vhost with-hls.srs.com {
         #   /hls/live/livestream-1.ts   the HLS media/ts file.
         # in a word, the hls_path is for vhost.
         # default: ./objs/nginx/html
-        hls_path        /data/nginx/html;
+        hls_path        ./objs/nginx/html;
         # the hls fragment in seconds, the duration of a piece of ts.
         # default: 10
         hls_fragment    10;
@@ -766,7 +790,7 @@ vhost no-hls.srs.com {
 vhost min.delay.com {
     # whether cache the last gop.
     # if on, cache the last gop and dispatch to client,
-    #   to enable fast startup for client, client play immediately.
+    #   to enabled fast startup for client, client play immediately.
     # if off, send the latest media data to client,
     #   client need to wait for the next Iframe to decode and show the video.
     # set to off if requires min delay;

@@ -5,14 +5,14 @@
 listen              1935;
 vhost __defaultVhost__ {
     ingest livestream {
-        enable      on;
+        enabled      on;
         input {
             type    file;
             url     ./doc/source.200kbps.768x320.flv;
         }
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
         engine {
-            enable          off;
+            enabled          off;
             output          rtmp://127.0.0.1:[port]/live?vhost=[vhost]/livestream;
         }
     }

@@ -2109,7 +2109,7 @@ SrsConfDirective* SrsConfig::get_ingest_by_id(std::string vhost, std::string ing
 
 bool SrsConfig::get_ingest_enabled(SrsConfDirective* ingest)
 {
-    SrsConfDirective* conf = ingest->get("enable");
+    SrsConfDirective* conf = ingest->get("enabled");
     
     if (!conf || conf->arg0() != "on") {
         return false;
@@ -2294,6 +2294,55 @@ double SrsConfig::get_hls_window(string vhost)
     return ::atof(conf->arg0().c_str());
 }
 
+SrsConfDirective* SrsConfig::get_dvr(string vhost)
+{
+    SrsConfDirective* conf = get_vhost(vhost);
+
+    if (!conf) {
+        return NULL;
+    }
+    
+    return conf->get("dvr");
+}
+
+bool SrsConfig::get_dvr_enabled(string vhost)
+{
+    SrsConfDirective* dvr = get_dvr(vhost);
+    
+    if (!dvr) {
+        return false;
+    }
+    
+    SrsConfDirective* conf = dvr->get("enabled");
+    
+    if (!conf) {
+        return false;
+    }
+    
+    if (conf->arg0() == "on") {
+        return true;
+    }
+    
+    return false;
+}
+
+string SrsConfig::get_dvr_path(string vhost)
+{
+    SrsConfDirective* dvr = get_dvr(vhost);
+    
+    if (!dvr) {
+        return SRS_CONF_DEFAULT_DVR_PATH;
+    }
+    
+    SrsConfDirective* conf = dvr->get("dvr_path");
+    
+    if (!conf) {
+        return SRS_CONF_DEFAULT_DVR_PATH;
+    }
+    
+    return conf->arg0();
+}
+
 SrsConfDirective* SrsConfig::get_http_api()
 {
     return root->get("http_api");

@@ -44,6 +44,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define SRS_CONF_DEFAULT_HLS_PATH "./objs/nginx/html"
 #define SRS_CONF_DEFAULT_HLS_FRAGMENT 10
 #define SRS_CONF_DEFAULT_HLS_WINDOW 60
+#define SRS_CONF_DEFAULT_DVR_PATH "./objs/nginx/html"
 // in ms, for HLS aac sync time.
 #define SRS_CONF_DEFAULT_AAC_SYNC 100
 // in ms, for HLS aac flush the audio
@@ -222,6 +223,12 @@ public:
     virtual std::string         get_hls_path(std::string vhost);
     virtual double              get_hls_fragment(std::string vhost);
     virtual double              get_hls_window(std::string vhost);
+// dvr section
+private:
+    virtual SrsConfDirective*   get_dvr(std::string vhost);
+public:
+    virtual bool                get_dvr_enabled(std::string vhost);
+    virtual std::string         get_dvr_path(std::string vhost);
 // http api section
 private:
     virtual SrsConfDirective*   get_http_api();

@@ -25,45 +25,413 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #ifdef SRS_AUTO_DVR
 
+#include <fcntl.h>
+using namespace std;
+
+#include <srs_app_config.hpp>
 #include <srs_kernel_error.hpp>
+#include <srs_protocol_rtmp.hpp>
 #include <srs_protocol_rtmp_stack.hpp>
+#include <srs_app_source.hpp>
+#include <srs_core_autofree.hpp>
+#include <srs_kernel_stream.hpp>
+
+SrsFileStream::SrsFileStream()
+{
+    fd = -1;
+}
+
+SrsFileStream::~SrsFileStream()
+{
+    close();
+}
+
+int SrsFileStream::open(string file)
+{
+    int ret = ERROR_SUCCESS;
+    
+    if (fd > 0) {
+        ret = ERROR_SYSTEM_FILE_ALREADY_OPENED;
+        srs_error("file %s already opened. ret=%d", _file.c_str(), ret);
+        return ret;
+    }
+    
+    int flags = O_CREAT|O_WRONLY|O_TRUNC;
+    mode_t mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH;
+
+    if ((fd = ::open(file.c_str(), flags, mode)) < 0) {
+        ret = ERROR_SYSTEM_FILE_OPENE;
+        srs_error("open file %s failed. ret=%d", file.c_str(), ret);
+        return ret;
+    }
+    
+    _file = file;
+    
+    return ret;
+}
+
+int SrsFileStream::close()
+{
+    int ret = ERROR_SUCCESS;
+    
+    if (fd < 0) {
+        return ret;
+    }
+    
+    if (::close(fd) < 0) {
+        ret = ERROR_SYSTEM_FILE_CLOSE;
+        srs_error("close file %s failed. ret=%d", _file.c_str(), ret);
+        return ret;
+    }
+    fd = -1;
+    
+    return ret;
+}
+
+int SrsFileStream::read(void* buf, size_t count, ssize_t* pnread)
+{
+    int ret = ERROR_SUCCESS;
+    
+    ssize_t nread;
+    if ((nread = ::read(fd, buf, count)) < 0) {
+        ret = ERROR_SYSTEM_FILE_READ;
+        srs_error("read from file %s failed. ret=%d", _file.c_str(), ret);
+        return ret;
+    }
+    
+    if (nread == 0) {
+        ret = ERROR_SYSTEM_FILE_EOF;
+        return ret;
+    }
+    
+    if (pnread != NULL) {
+        *pnread = nread;
+    }
+    
+    return ret;
+}
+
+int SrsFileStream::write(void* buf, size_t count, ssize_t* pnwrite)
+{
+    int ret = ERROR_SUCCESS;
+    
+    ssize_t nwrite;
+    if ((nwrite = ::write(fd, buf, count)) < 0) {
+        ret = ERROR_SYSTEM_FILE_WRITE;
+        srs_error("write to file %s failed. ret=%d", _file.c_str(), ret);
+        return ret;
+    }
+    
+    if (pnwrite != NULL) {
+        *pnwrite = nwrite;
+    }
+    
+    return ret;
+}
+
+int64_t SrsFileStream::size()
+{
+    ::lseek(fd, 0, SEEK_SET);
+    return ::lseek(fd, 0, SEEK_END);
+}
+
+off_t SrsFileStream::lseek(off_t offset)
+{
+    return ::lseek(fd, offset, SEEK_SET);
+}
+
+SrsFlvEncoder::SrsFlvEncoder()
+{
+    _fs = NULL;
+    has_audio = false;
+    has_video = false;
+    tag_stream = new SrsStream();
+}
+
+SrsFlvEncoder::~SrsFlvEncoder()
+{
+    srs_freep(tag_stream);
+}
+
+int SrsFlvEncoder::initialize(SrsFileStream* fs)
+{
+    int ret = ERROR_SUCCESS;
+    
+    _fs = fs;
+    has_audio = true;
+    has_video = true;
+    
+    return ret;
+}
+
+int SrsFlvEncoder::write_header()
+{
+    int ret = ERROR_SUCCESS;
+    
+    // seek to header.
+    _fs->lseek(0);
+    
+    static char flv_header[] = {
+        'F', 'L', 'V', // Signatures "FLV"
+        (char)0x01, // File version (for example, 0x01 for FLV version 1)
+        (char)0x00, // 4, audio; 1, video; 5 audio+video.
+        (char)0x00, (char)0x00, (char)0x00, (char)0x09, // DataOffset UI32 The length of this header in bytes
+        (char)0x00, (char)0x00, (char)0x00, (char)0x00// PreviousTagSize0 UI32 Always 0
+    };
+    
+    // generate audio/video flag.
+    const static int av_index = 4;
+    
+    flv_header[av_index] = 0x00;
+    if (has_audio) {
+        flv_header[av_index] += 4;
+    }
+    if (has_video) {
+        flv_header[av_index] += 1;
+    }
+    
+    // write data.
+    if ((ret = _fs->write(flv_header, sizeof(flv_header), NULL)) != ERROR_SUCCESS) {
+        srs_error("write flv header failed. ret=%d", ret);
+        return ret;
+    }
+    
+    return ret;
+}
+
+int SrsFlvEncoder::write_metadata(char* data, int size)
+{
+    int ret = ERROR_SUCCESS;
+    
+    static char tag_header[] = {
+        (char)18, // TagType UB [5], 18 = script data
+        (char)0x00, (char)0x00, (char)0x00, // DataSize UI24 Length of the message.
+        (char)0x00, (char)0x00, (char)0x00, // Timestamp UI24 Time in milliseconds at which the data in this tag applies.
+        (char)0x00, // TimestampExtended UI8
+        (char)0x00, (char)0x00, (char)0x00, // StreamID UI24 Always 0.
+    };
+    
+    // write data size.
+    if ((ret = tag_stream->initialize(tag_header + 1, 3)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    tag_stream->write_3bytes(size);
+    
+    if ((ret = write_tag(tag_header, sizeof(tag_header), data, size)) != ERROR_SUCCESS) {
+        srs_error("write flv data tag failed. ret=%d", ret);
+        return ret;
+    }
+    
+    return ret;
+}
+
+int SrsFlvEncoder::write_audio(int32_t timestamp, char* data, int size)
+{
+    int ret = ERROR_SUCCESS;
+    
+    has_audio = true;
+    
+    static char tag_header[] = {
+        (char)8, // TagType UB [5], 8 = audio
+        (char)0x00, (char)0x00, (char)0x00, // DataSize UI24 Length of the message.
+        (char)0x00, (char)0x00, (char)0x00, // Timestamp UI24 Time in milliseconds at which the data in this tag applies.
+        (char)0x00, // TimestampExtended UI8
+        (char)0x00, (char)0x00, (char)0x00, // StreamID UI24 Always 0.
+    };
+    
+    // write data size.
+    if ((ret = tag_stream->initialize(tag_header + 1, 7)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    tag_stream->write_3bytes(size);
+    tag_stream->write_3bytes(timestamp);
+    // default to little-endian
+    tag_stream->write_1bytes((timestamp >> 24) & 0xFF);
+    
+    if ((ret = write_tag(tag_header, sizeof(tag_header), data, size)) != ERROR_SUCCESS) {
+        srs_error("write flv audio tag failed. ret=%d", ret);
+        return ret;
+    }
+    
+    return ret;
+}
+
+int SrsFlvEncoder::write_video(int32_t timestamp, char* data, int size)
+{
+    int ret = ERROR_SUCCESS;
+    
+    has_video = true;
+    
+    static char tag_header[] = {
+        (char)9, // TagType UB [5], 9 = video
+        (char)0x00, (char)0x00, (char)0x00, // DataSize UI24 Length of the message.
+        (char)0x00, (char)0x00, (char)0x00, // Timestamp UI24 Time in milliseconds at which the data in this tag applies.
+        (char)0x00, // TimestampExtended UI8
+        (char)0x00, (char)0x00, (char)0x00, // StreamID UI24 Always 0.
+    };
+    
+    // write data size.
+    if ((ret = tag_stream->initialize(tag_header + 1, 7)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    tag_stream->write_3bytes(size);
+    tag_stream->write_3bytes(timestamp);
+    // default to little-endian
+    tag_stream->write_1bytes((timestamp >> 24) & 0xFF);
+    
+    if ((ret = write_tag(tag_header, sizeof(tag_header), data, size)) != ERROR_SUCCESS) {
+        srs_error("write flv video tag failed. ret=%d", ret);
+        return ret;
+    }
+    
+    return ret;
+}
+
+int SrsFlvEncoder::write_tag(char* header, int header_size, char* data, int size)
+{
+    int ret = ERROR_SUCCESS;
+    
+    // write tag header.
+    if ((ret = _fs->write(header, header_size, NULL)) != ERROR_SUCCESS) {
+        srs_error("write flv tag header failed. ret=%d", ret);
+        return ret;
+    }
+    
+    // write tag data.
+    if ((ret = _fs->write(data, size, NULL)) != ERROR_SUCCESS) {
+        srs_error("write flv tag failed. ret=%d", ret);
+        return ret;
+    }
+    
+    // PreviousTagSizeN UI32 Size of last tag, including its header, in bytes.
+    static char pre_size[4];
+    if ((ret = tag_stream->initialize(pre_size, 4)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    tag_stream->write_4bytes(size + header_size);
+    if ((ret = _fs->write(pre_size, sizeof(pre_size), NULL)) != ERROR_SUCCESS) {
+        srs_error("write flv previous tag size failed. ret=%d", ret);
+        return ret;
+    }
+    
+    return ret;
+}
 
 SrsDvr::SrsDvr(SrsSource* source)
 {
     _source = source;
+    dvr_enabled = false;
+    fs = new SrsFileStream();
+    enc = new SrsFlvEncoder();
 }
 
 SrsDvr::~SrsDvr()
 {
+    srs_freep(fs);
+    srs_freep(enc);
 }
 
 int SrsDvr::on_publish(SrsRequest* req)
 {
     int ret = ERROR_SUCCESS;
+    
+    // support multiple publish.
+    if (dvr_enabled) {
+        return ret;
+    }
+
+    if (!_srs_config->get_dvr_enabled(req->vhost)) {
+        return ret;
+    }
+    
+    std::string path = _srs_config->get_dvr_path(req->vhost);
+    path += "/";
+    path += req->app;
+    path += "/";
+    path += req->stream;
+    path += ".flv";
+    
+    if ((ret = fs->open(path)) != ERROR_SUCCESS) {
+        srs_error("open file stream for file %s failed. ret=%d", path.c_str(), ret);
+        return ret;
+    }
+    
+    if ((ret = enc->initialize(fs)) != ERROR_SUCCESS) {
+        srs_error("initialize enc by fs for file %s failed. ret=%d", path.c_str(), ret);
+        return ret;
+    }
+    
+    if ((ret = enc->write_header()) != ERROR_SUCCESS) {
+        srs_error("write flv header for file %s failed. ret=%d", path.c_str(), ret);
+        return ret;
+    }
+    
+    if ((ret = _source->on_dvr_start()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    srs_trace("dvr stream %s to file %s", req->get_stream_url().c_str(), path.c_str());
+    dvr_enabled = true;
+    
     return ret;
 }
 
 void SrsDvr::on_unpublish()
 {
+    // support multiple publish.
+    if (!dvr_enabled) {
+        return;
+    }
+    
+    // ignore error.
+    fs->close();
+    
+    dvr_enabled = false;
 }
 
-int SrsDvr::on_meta_data(SrsAmf0Object* metadata)
+int SrsDvr::on_meta_data(SrsOnMetaDataPacket* metadata)
 {
     int ret = ERROR_SUCCESS;
+    
+    int size = 0;
+    char* payload = NULL;
+    if ((ret = metadata->encode(size, payload)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    SrsAutoFree(char, payload, true);
+    
+    if ((ret = enc->write_metadata(payload, size)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
     return ret;
 }
 
 int SrsDvr::on_audio(SrsSharedPtrMessage* audio)
 {
     int ret = ERROR_SUCCESS;
-    srs_freep(audio);
+    
+    int32_t timestamp = audio->header.timestamp;
+    char* payload = (char*)audio->payload;
+    int size = (int)audio->size;
+    if ((ret = enc->write_audio(timestamp, payload, size)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
     return ret;
 }
 
 int SrsDvr::on_video(SrsSharedPtrMessage* video)
 {
     int ret = ERROR_SUCCESS;
-    srs_freep(video);
+    
+    int32_t timestamp = video->header.timestamp;
+    char* payload = (char*)video->payload;
+    int size = (int)video->size;
+    if ((ret = enc->write_video(timestamp, payload, size)) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
     return ret;
 }
 

@@ -33,14 +33,77 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 class SrsSource;
 class SrsRequest;
-class SrsAmf0Object;
+class SrsStream;
+class SrsOnMetaDataPacket;
 class SrsSharedPtrMessage;
 
 /**
+* file stream to read/write file.
+*/
+class SrsFileStream
+{
+private:
+    std::string _file;
+    int fd;
+public:
+    SrsFileStream();
+    virtual ~SrsFileStream();
+public:
+    virtual int open(std::string file);
+    virtual int close();
+public:
+    /**
+    * @param pnread, return the read size. NULL to ignore.
+    */
+    virtual int read(void* buf, size_t count, ssize_t* pnread);
+    /**
+    * @param pnwrite, return the write size. NULL to ignore.
+    */
+    virtual int write(void* buf, size_t count, ssize_t* pnwrite);
+public:
+    /**
+    * get size of file.
+    */
+    virtual int64_t size();
+    /**
+    * wrapper for system lseek where whence always use SEEK_SET
+    */
+    virtual off_t lseek(off_t offset);
+};
+
+/**
 * encode data to flv file.
 */
 class SrsFlvEncoder
 {
+private:
+    SrsFileStream* _fs;
+private:
+    bool has_audio;
+    bool has_video;
+    SrsStream* tag_stream;
+public:
+    SrsFlvEncoder();
+    virtual ~SrsFlvEncoder();
+public:
+    virtual int initialize(SrsFileStream* fs);
+public:
+    /**
+    * write flv header.
+    * user can invoke this method multiple times,
+    * for example, when get audio/video sequence header.
+    * 
+    * write following:
+    *   1. E.2 The FLV header
+    *   2. PreviousTagSize0 UI32 Always 0
+    * that is, 9+4=13bytes.
+    */
+    virtual int write_header();
+    virtual int write_metadata(char* data, int size);
+    virtual int write_audio(int32_t timestamp, char* data, int size);
+    virtual int write_video(int32_t timestamp, char* data, int size);
+private:
+    virtual int write_tag(char* header, int header_size, char* data, int size);
 };
 
 /**
@@ -51,6 +114,10 @@ class SrsDvr
 {
 private:
     SrsSource* _source;
+private:
+    bool dvr_enabled;
+    SrsFileStream* fs;
+    SrsFlvEncoder* enc;
 public:
     SrsDvr(SrsSource* source);
     virtual ~SrsDvr();
@@ -68,7 +135,7 @@ public:
     /**
     * get some information from metadata, it's optinal.
     */
-    virtual int on_meta_data(SrsAmf0Object* metadata);
+    virtual int on_meta_data(SrsOnMetaDataPacket* metadata);
     /**
     * mux the audio packets to dvr.
     */

@@ -37,6 +37,7 @@ using namespace std;
 #include <srs_app_encoder.hpp>
 #include <srs_protocol_rtmp.hpp>
 #include <srs_app_dvr.hpp>
+#include <srs_kernel_stream.hpp>
 
 #define CONST_MAX_JITTER_MS         500
 #define DEFAULT_FRAME_TIME_MS         40
@@ -651,7 +652,6 @@ int SrsSource::on_hls_start()
     int ret = ERROR_SUCCESS;
     
 #ifdef SRS_AUTO_HLS
-        
     // feed the hls the metadata/sequence header,
     // when reload to start hls, hls will never get the sequence header in stream,
     // use the SrsSource.on_hls_start to push the sequence header to HLS.
@@ -664,7 +664,49 @@ int SrsSource::on_hls_start()
         srs_error("hls process audio sequence header message failed. ret=%d", ret);
         return ret;
     }
+#endif
+    
+    return ret;
+}
+
+int SrsSource::on_dvr_start()
+{
+    int ret = ERROR_SUCCESS;
+    
+#ifdef SRS_AUTO_DVR
+    // feed the dvr the metadata/sequence header,
+    // when reload to start dvr, dvr will never get the sequence header in stream,
+    // use the SrsSource.on_dvr_start to push the sequence header to DVR.
+    if (cache_metadata) {
+        char* payload = (char*)cache_metadata->payload;
+        int size = (int)cache_metadata->size;
+        
+        SrsStream stream;
+        if ((ret = stream.initialize(payload, size)) != ERROR_SUCCESS) {
+            srs_error("dvr decode metadata stream failed. ret=%d", ret);
+            return ret;
+        }
+        
+        SrsOnMetaDataPacket pkt;
+        if ((ret = pkt.decode(&stream)) != ERROR_SUCCESS) {
+            srs_error("dvr decode metadata packet failed.");
+            return ret;
+        }
         
+        if ((ret = dvr->on_meta_data(&pkt)) != ERROR_SUCCESS) {
+            srs_error("dvr process onMetaData message failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    
+    if (cache_sh_video && (ret = dvr->on_video(cache_sh_video->copy())) != ERROR_SUCCESS) {
+        srs_error("dvr process video sequence header message failed. ret=%d", ret);
+        return ret;
+    }
+    if (cache_sh_audio && (ret = dvr->on_audio(cache_sh_audio->copy())) != ERROR_SUCCESS) {
+        srs_error("dvr process audio sequence header message failed. ret=%d", ret);
+        return ret;
+    }
 #endif
     
     return ret;
@@ -687,7 +729,7 @@ int SrsSource::on_meta_data(SrsCommonMessage* msg, SrsOnMetaDataPacket* metadata
 #endif
     
 #ifdef SRS_AUTO_DVR
-    if (metadata && (ret = dvr->on_meta_data(metadata->metadata)) != ERROR_SUCCESS) {
+    if (metadata && (ret = dvr->on_meta_data(metadata)) != ERROR_SUCCESS) {
         srs_error("dvr process onMetaData message failed. ret=%d", ret);
         return ret;
     }

@@ -284,6 +284,8 @@ public:
     virtual int on_forwarder_start(SrsForwarder* forwarder);
     // for the SrsHls to callback to request the sequence headers.
     virtual int on_hls_start();
+    // for the SrsDvr to callback to request the sequence headers.
+    virtual int on_dvr_start();
 public:
     virtual bool can_publish();
     virtual int on_meta_data(SrsCommonMessage* msg, SrsOnMetaDataPacket* metadata);

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR "0"
 #define VERSION_MINOR "9"
-#define VERSION_REVISION "68"
+#define VERSION_REVISION "69"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "srs"

@@ -100,6 +100,12 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_SYSTEM_PID_WRITE_FILE         420
 #define ERROR_SYSTEM_PID_GET_FILE_INFO      421
 #define ERROR_SYSTEM_PID_SET_FILE_INFO      422
+#define ERROR_SYSTEM_FILE_ALREADY_OPENED    423
+#define ERROR_SYSTEM_FILE_OPENE             424
+#define ERROR_SYSTEM_FILE_CLOSE             425
+#define ERROR_SYSTEM_FILE_READ              426
+#define ERROR_SYSTEM_FILE_WRITE             427
+#define ERROR_SYSTEM_FILE_EOF               428
 
 // see librtmp.
 // failed when open ssl create the dh

@@ -199,6 +199,16 @@ void SrsStream::write_4bytes(int32_t value)
     *p++ = pp[0];
 }
 
+void SrsStream::write_3bytes(int32_t value)
+{
+    srs_assert(require(3));
+    
+    pp = (char*)&value;
+    *p++ = pp[2];
+    *p++ = pp[1];
+    *p++ = pp[0];
+}
+
 void SrsStream::write_8bytes(int64_t value)
 {
     srs_assert(require(8));

@@ -118,6 +118,10 @@ public:
     */
     virtual void write_4bytes(int32_t value);
     /**
+    * write 3bytes int to stream.
+    */
+    virtual void write_3bytes(int32_t value);
+    /**
     * write 8bytes int to stream.
     */
     virtual void write_8bytes(int64_t value);