srs-librtmp: finish the simple publish and play sample.

@@ -25,6 +25,8 @@ gcc srs_play.c ../../objs/lib/srs_librtmp.a -g -O0 -lstdc++ -o srs_play
 */
 
 #include <stdio.h>
+#include <stdlib.h>
+
 #include "../../objs/include/srs_librtmp.h"
 
 int main(int argc, char** argv)
@@ -33,14 +35,14 @@ int main(int argc, char** argv)
 	
 	// packet data
 	int type, size;
-	u_int32_t timestamp;
+	u_int32_t timestamp = 0;
 	char* data;
 	
     printf("suck rtmp stream like rtmpdump\n");
     printf("srs(simple-rtmp-server) client librtmp library.\n");
     printf("version: %d.%d.%d\n", srs_version_major(), srs_version_minor(), srs_version_revision());
     
-    rtmp = srs_rtmp_create("rtmp://127.0.0.1:1935/live?vhost=__defaultVhost__/livestream");
+    rtmp = srs_rtmp_create("rtmp://127.0.0.1:1935/live/livestream");
     
  	if (srs_simple_handshake(rtmp) != 0) {
 		printf("simple handshake failed.\n");

@@ -25,12 +25,20 @@ gcc srs_publish.c ../../objs/lib/srs_librtmp.a -g -O0 -lstdc++ -o srs_publish
 */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
 #include "../../objs/include/srs_librtmp.h"
 
 int main(int argc, char** argv)
 {
 	srs_rtmp_t rtmp;
 	
+	// packet data
+	int type, size;
+	u_int32_t timestamp = 0;
+	char* data;
+	
     printf("publish rtmp stream to server like FMLE/FFMPEG/Encoder\n");
     printf("srs(simple-rtmp-server) client librtmp library.\n");
     printf("version: %d.%d.%d\n", srs_version_major(), srs_version_minor(), srs_version_revision());
@@ -55,6 +63,20 @@ int main(int argc, char** argv)
 	}
 	printf("publish stream success\n");
 	
+	for (;;) {
+		type = SRS_RTMP_TYPE_VIDEO;
+		timestamp += 40;
+		size = 4096;
+		data = (char*)malloc(4096);
+		
+		if (srs_write_packet(rtmp, type, timestamp, data, size) != 0) {
+			goto rtmp_destroy;
+		}
+		printf("sent packet: type=%s, time=%d, size=%d\n", srs_type2string(type), timestamp, size);
+		
+		usleep(40 * 1000);
+	}
+	
 rtmp_destroy:
     srs_rtmp_destroy(rtmp);
     

@@ -677,7 +677,7 @@ int SrsSource::on_meta_data(SrsCommonMessage* msg, SrsOnMetaDataPacket* metadata
 	cache_metadata = new SrsSharedPtrMessage();
 	
 	// dump message to shared ptr message.
-	if ((ret = cache_metadata->initialize(msg, payload, size)) != ERROR_SUCCESS) {
+	if ((ret = cache_metadata->initialize(&msg->header, payload, size)) != ERROR_SUCCESS) {
 		srs_error("initialize the cache metadata failed. ret=%d", ret);
 		return ret;
 	}

@@ -328,6 +328,51 @@ int srs_read_packet(srs_rtmp_t rtmp, int* type, u_int32_t* timestamp, char** dat
 int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data, int size)
 {
 	int ret = ERROR_SUCCESS;
+	
+    srs_assert(rtmp != NULL);
+    Context* context = (Context*)rtmp;
+	
+	SrsSharedPtrMessage* msg = NULL;
+	
+	if (type == SRS_RTMP_TYPE_AUDIO) {
+		SrsMessageHeader header;
+		header.initialize_audio(size, timestamp, context->stream_id);
+		
+		msg = new SrsSharedPtrMessage();
+		if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
+			srs_freepa(data);
+			return ret;
+		}
+	} else if (type == SRS_RTMP_TYPE_VIDEO) {
+		SrsMessageHeader header;
+		header.initialize_video(size, timestamp, context->stream_id);
+		
+		msg = new SrsSharedPtrMessage();
+		if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
+			srs_freepa(data);
+			return ret;
+		}
+	} else if (type == SRS_RTMP_TYPE_SCRIPT) {
+		SrsMessageHeader header;
+		header.initialize_amf0_script(size, context->stream_id);
+		
+		msg = new SrsSharedPtrMessage();
+		if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
+			srs_freepa(data);
+			return ret;
+		}
+	}
+	
+	if (msg) {
+		// send out encoded msg.
+		if ((ret = context->rtmp->send_message(msg)) != ERROR_SUCCESS) {
+			return ret;
+		}
+	} else {
+		// directly free data if not sent out.
+		srs_freepa(data);
+	}
+	
 	return ret;
 }
 

@@ -1193,6 +1193,33 @@ bool SrsMessageHeader::is_user_control_message()
 	return message_type == RTMP_MSG_UserControlMessage;
 }
 
+void SrsMessageHeader::initialize_amf0_script(int size, int stream)
+{
+	message_type = RTMP_MSG_AMF0DataMessage;
+	payload_length = (int32_t)size;
+	timestamp_delta = (int32_t)0;
+	timestamp = (int64_t)0;
+	stream_id = (int32_t)stream;
+}
+
+void SrsMessageHeader::initialize_audio(int size, u_int32_t time, int stream)
+{
+	message_type = RTMP_MSG_AudioMessage;
+	payload_length = (int32_t)size;
+	timestamp_delta = (int32_t)time;
+	timestamp = (int64_t)time;
+	stream_id = (int32_t)stream;
+}
+
+void SrsMessageHeader::initialize_video(int size, u_int32_t time, int stream)
+{
+	message_type = RTMP_MSG_VideoMessage;
+	payload_length = (int32_t)size;
+	timestamp_delta = (int32_t)time;
+	timestamp = (int64_t)time;
+	stream_id = (int32_t)stream;
+}
+
 SrsChunkStream::SrsChunkStream(int _cid)
 {
 	fmt = 0;
@@ -1516,7 +1543,7 @@ int SrsSharedPtrMessage::initialize(SrsCommonMessage* source)
 {
 	int ret = ERROR_SUCCESS;
 	
-	if ((ret = initialize(source, (char*)source->payload, source->size)) != ERROR_SUCCESS) {
+	if ((ret = initialize(&source->header, (char*)source->payload, source->size)) != ERROR_SUCCESS) {
 		return ret;
 	}
 	
@@ -1527,7 +1554,7 @@ int SrsSharedPtrMessage::initialize(SrsCommonMessage* source)
 	return ret;
 }
 
-int SrsSharedPtrMessage::initialize(SrsCommonMessage* source, char* payload, int size)
+int SrsSharedPtrMessage::initialize(SrsMessageHeader* source, char* payload, int size)
 {
 	int ret = ERROR_SUCCESS;
 	
@@ -1540,7 +1567,7 @@ int SrsSharedPtrMessage::initialize(SrsCommonMessage* source, char* payload, int
 		return ret;
 	}
 	
-	header = source->header;
+	header = *source;
 	header.payload_length = size;
 	
 	ptr = new SrsSharedPtr();
@@ -1549,9 +1576,9 @@ int SrsSharedPtrMessage::initialize(SrsCommonMessage* source, char* payload, int
 	ptr->payload = payload;
 	ptr->size = size;
 	
-	if (source->header.is_video()) {
+	if (source->is_video()) {
 		ptr->perfer_cid = RTMP_CID_Video;
-	} else if (source->header.is_audio()) {
+	} else if (source->is_audio()) {
 		ptr->perfer_cid = RTMP_CID_Audio;
 	} else {
 		ptr->perfer_cid = RTMP_CID_OverConnection2;

@@ -262,6 +262,10 @@ struct SrsMessageHeader
 	bool is_window_ackledgement_size();
 	bool is_set_chunk_size();
 	bool is_user_control_message();
+	
+	void initialize_amf0_script(int size, int stream);
+	void initialize_audio(int size, u_int32_t time, int stream);
+	void initialize_video(int size, u_int32_t time, int stream);
 };
 
 /**
@@ -434,9 +438,9 @@ public:
 	virtual int initialize(SrsCommonMessage* source);
 	/**
 	* set the shared payload.
-	* we will use the payload, donot use the payload of source.
+	* use source header, and specified param payload.
 	*/
-	virtual int initialize(SrsCommonMessage* source, char* payload, int size);
+	virtual int initialize(SrsMessageHeader* source, char* payload, int size);
 	virtual SrsSharedPtrMessage* copy();
 public:
 	/**