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refine shared ptr message, rename initialize to create

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pull/133/head
winlin 11 years ago
parent 891bc3fe65
commit 6a4b177475
7 changed files with 115 additions and 61 deletions
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10
trunk/src/app/srs_app_edge.cpp
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@ -504,17 +504,15 @@ int SrsEdgeForwarder::proxy(SrsMessage* msg)
return ret;
}
// TODO: FIXME: use utility to copy msg to shared ptr msg.
SrsSharedPtrMessage* copy = new SrsSharedPtrMessage();
SrsAutoFree(SrsSharedPtrMessage, copy);
if ((ret = copy->initialize(msg)) != ERROR_SUCCESS) {
SrsSharedPtrMessage copy;
if ((ret = copy.create(msg)) != ERROR_SUCCESS) {
srs_error("initialize the msg failed. ret=%d", ret);
return ret;
}
srs_verbose("initialize shared ptr msg success.");
copy->header.stream_id = stream_id;
if ((ret = queue->enqueue(copy->copy())) != ERROR_SUCCESS) {
copy.header.stream_id = stream_id;
if ((ret = queue->enqueue(copy.copy())) != ERROR_SUCCESS) {
srs_error("enqueue edge publish msg failed. ret=%d", ret);
}

65
trunk/src/app/srs_app_source.cpp
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@ -972,7 +972,8 @@ int SrsSource::on_meta_data(SrsMessage* msg, SrsOnMetaDataPacket* metadata)
cache_metadata = new SrsSharedPtrMessage();
// dump message to shared ptr message.
if ((ret = cache_metadata->initialize(&msg->header, payload, size)) != ERROR_SUCCESS) {
// the payload/size managed by cache_metadata, user should not free it.
if ((ret = cache_metadata->create(&msg->header, payload, size)) != ERROR_SUCCESS) {
srs_error("initialize the cache metadata failed. ret=%d", ret);
return ret;
}
@ -1007,20 +1008,21 @@ int SrsSource::on_meta_data(SrsMessage* msg, SrsOnMetaDataPacket* metadata)
return ret;
}
int SrsSource::on_audio(SrsMessage* audio)
int SrsSource::on_audio(SrsMessage* __audio)
{
int ret = ERROR_SUCCESS;
SrsSharedPtrMessage* msg = new SrsSharedPtrMessage();
SrsAutoFree(SrsSharedPtrMessage, msg);
if ((ret = msg->initialize(audio)) != ERROR_SUCCESS) {
// convert __audio to msg, user should not use __audio again.
// the payload is transfer to msg, and set to NULL in __audio.
SrsSharedPtrMessage msg;
if ((ret = msg.create(__audio)) != ERROR_SUCCESS) {
srs_error("initialize the audio failed. ret=%d", ret);
return ret;
}
srs_verbose("initialize shared ptr audio success.");
#ifdef SRS_AUTO_HLS
if ((ret = hls->on_audio(msg->copy())) != ERROR_SUCCESS) {
if ((ret = hls->on_audio(msg.copy())) != ERROR_SUCCESS) {
srs_warn("hls process audio message failed, ignore and disable hls. ret=%d", ret);
// unpublish, ignore ret.
@ -1032,7 +1034,7 @@ int SrsSource::on_audio(SrsMessage* audio)
#endif
#ifdef SRS_AUTO_DVR
if ((ret = dvr->on_audio(msg->copy())) != ERROR_SUCCESS) {
if ((ret = dvr->on_audio(msg.copy())) != ERROR_SUCCESS) {
srs_warn("dvr process audio message failed, ignore and disable dvr. ret=%d", ret);
// unpublish, ignore ret.
@ -1047,7 +1049,7 @@ int SrsSource::on_audio(SrsMessage* audio)
if (true) {
for (int i = 0; i < (int)consumers.size(); i++) {
SrsConsumer* consumer = consumers.at(i);
SrsSharedPtrMessage* copy = msg->copy();
SrsSharedPtrMessage* copy = msg.copy();
if ((ret = consumer->enqueue(copy, atc, sample_rate, frame_rate, jitter_algorithm)) != ERROR_SUCCESS) {
srs_error("dispatch the audio failed. ret=%d", ret);
return ret;
@ -1061,7 +1063,7 @@ int SrsSource::on_audio(SrsMessage* audio)
std::vector<SrsForwarder*>::iterator it;
for (it = forwarders.begin(); it != forwarders.end(); ++it) {
SrsForwarder* forwarder = *it;
if ((ret = forwarder->on_audio(msg->copy())) != ERROR_SUCCESS) {
if ((ret = forwarder->on_audio(msg.copy())) != ERROR_SUCCESS) {
srs_error("forwarder process audio message failed. ret=%d", ret);
return ret;
}
@ -1070,14 +1072,14 @@ int SrsSource::on_audio(SrsMessage* audio)
// cache the sequence header if h264
// donot cache the sequence header to gop_cache, return here.
if (SrsFlvCodec::audio_is_sequence_header(msg->payload, msg->size)) {
if (SrsFlvCodec::audio_is_sequence_header(msg.payload, msg.size)) {
srs_freep(cache_sh_audio);
cache_sh_audio = msg->copy();
cache_sh_audio = msg.copy();
// parse detail audio codec
SrsAvcAacCodec codec;
SrsCodecSample sample;
if ((ret = codec.audio_aac_demux(msg->payload, msg->size, &sample)) != ERROR_SUCCESS) {
if ((ret = codec.audio_aac_demux(msg.payload, msg.size, &sample)) != ERROR_SUCCESS) {
srs_error("codec demux audio failed. ret=%d", ret);
return ret;
}
@ -1087,7 +1089,7 @@ int SrsSource::on_audio(SrsMessage* audio)
srs_trace("%dB audio sh, "
"codec(%d, profile=%d, %dchannels, %dkbps, %dHZ), "
"flv(%dbits, %dchannels, %dHZ)",
msg->header.payload_length, codec.audio_codec_id,
msg.header.payload_length, codec.audio_codec_id,
codec.aac_profile, codec.aac_channels,
codec.audio_data_rate / 1000, aac_sample_rates[codec.aac_sample_rate],
flv_sample_sizes[sample.sound_size], flv_sound_types[sample.sound_type],
@ -1096,7 +1098,7 @@ int SrsSource::on_audio(SrsMessage* audio)
}
// cache the last gop packets
if ((ret = gop_cache->cache(msg)) != ERROR_SUCCESS) {
if ((ret = gop_cache->cache(&msg)) != ERROR_SUCCESS) {
srs_error("shrink gop cache failed. ret=%d", ret);
return ret;
}
@ -1105,30 +1107,31 @@ int SrsSource::on_audio(SrsMessage* audio)
// if atc, update the sequence header to abs time.
if (atc) {
if (cache_sh_audio) {
cache_sh_audio->header.timestamp = msg->header.timestamp;
cache_sh_audio->header.timestamp = msg.header.timestamp;
}
if (cache_metadata) {
cache_metadata->header.timestamp = msg->header.timestamp;
cache_metadata->header.timestamp = msg.header.timestamp;
}
}
return ret;
}
int SrsSource::on_video(SrsMessage* video)
int SrsSource::on_video(SrsMessage* __video)
{
int ret = ERROR_SUCCESS;
SrsSharedPtrMessage* msg = new SrsSharedPtrMessage();
SrsAutoFree(SrsSharedPtrMessage, msg);
if ((ret = msg->initialize(video)) != ERROR_SUCCESS) {
// convert __video to msg, user should not use __video again.
// the payload is transfer to msg, and set to NULL in __video.
SrsSharedPtrMessage msg;
if ((ret = msg.create(__video)) != ERROR_SUCCESS) {
srs_error("initialize the video failed. ret=%d", ret);
return ret;
}
srs_verbose("initialize shared ptr video success.");
#ifdef SRS_AUTO_HLS
if ((ret = hls->on_video(msg->copy())) != ERROR_SUCCESS) {
if ((ret = hls->on_video(msg.copy())) != ERROR_SUCCESS) {
srs_warn("hls process video message failed, ignore and disable hls. ret=%d", ret);
// unpublish, ignore ret.
@ -1140,7 +1143,7 @@ int SrsSource::on_video(SrsMessage* video)
#endif
#ifdef SRS_AUTO_DVR
if ((ret = dvr->on_video(msg->copy())) != ERROR_SUCCESS) {
if ((ret = dvr->on_video(msg.copy())) != ERROR_SUCCESS) {
srs_warn("dvr process video message failed, ignore and disable dvr. ret=%d", ret);
// unpublish, ignore ret.
@ -1155,7 +1158,7 @@ int SrsSource::on_video(SrsMessage* video)
if (true) {
for (int i = 0; i < (int)consumers.size(); i++) {
SrsConsumer* consumer = consumers.at(i);
SrsSharedPtrMessage* copy = msg->copy();
SrsSharedPtrMessage* copy = msg.copy();
if ((ret = consumer->enqueue(copy, atc, sample_rate, frame_rate, jitter_algorithm)) != ERROR_SUCCESS) {
srs_error("dispatch the video failed. ret=%d", ret);
return ret;
@ -1169,7 +1172,7 @@ int SrsSource::on_video(SrsMessage* video)
std::vector<SrsForwarder*>::iterator it;
for (it = forwarders.begin(); it != forwarders.end(); ++it) {
SrsForwarder* forwarder = *it;
if ((ret = forwarder->on_video(msg->copy())) != ERROR_SUCCESS) {
if ((ret = forwarder->on_video(msg.copy())) != ERROR_SUCCESS) {
srs_error("forwarder process video message failed. ret=%d", ret);
return ret;
}
@ -1178,28 +1181,28 @@ int SrsSource::on_video(SrsMessage* video)
// cache the sequence header if h264
// donot cache the sequence header to gop_cache, return here.
if (SrsFlvCodec::video_is_sequence_header(msg->payload, msg->size)) {
if (SrsFlvCodec::video_is_sequence_header(msg.payload, msg.size)) {
srs_freep(cache_sh_video);
cache_sh_video = msg->copy();
cache_sh_video = msg.copy();
// parse detail audio codec
SrsAvcAacCodec codec;
SrsCodecSample sample;
if ((ret = codec.video_avc_demux(msg->payload, msg->size, &sample)) != ERROR_SUCCESS) {
if ((ret = codec.video_avc_demux(msg.payload, msg.size, &sample)) != ERROR_SUCCESS) {
srs_error("codec demux video failed. ret=%d", ret);
return ret;
}
srs_trace("%dB video sh, "
"codec(%d, profile=%d, level=%d, %dx%d, %dkbps, %dfps, %ds)",
msg->header.payload_length, codec.video_codec_id,
msg.header.payload_length, codec.video_codec_id,
codec.avc_profile, codec.avc_level, codec.width, codec.height,
codec.video_data_rate / 1000, codec.frame_rate, codec.duration);
return ret;
}
// cache the last gop packets
if ((ret = gop_cache->cache(msg)) != ERROR_SUCCESS) {
if ((ret = gop_cache->cache(&msg)) != ERROR_SUCCESS) {
srs_error("gop cache msg failed. ret=%d", ret);
return ret;
}
@ -1208,10 +1211,10 @@ int SrsSource::on_video(SrsMessage* video)
// if atc, update the sequence header to abs time.
if (atc) {
if (cache_sh_video) {
cache_sh_video->header.timestamp = msg->header.timestamp;
cache_sh_video->header.timestamp = msg.header.timestamp;
}
if (cache_metadata) {
cache_metadata->header.timestamp = msg->header.timestamp;
cache_metadata->header.timestamp = msg.header.timestamp;
}
}

6
trunk/src/libs/srs_librtmp.cpp
Unescape Escape View File

@ -388,7 +388,7 @@ int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data,
header.initialize_audio(size, timestamp, context->stream_id);
msg = new SrsSharedPtrMessage();
if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
if ((ret = msg->create(&header, data, size)) != ERROR_SUCCESS) {
srs_freep(data);
return ret;
}
@ -397,7 +397,7 @@ int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data,
header.initialize_video(size, timestamp, context->stream_id);
msg = new SrsSharedPtrMessage();
if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
if ((ret = msg->create(&header, data, size)) != ERROR_SUCCESS) {
srs_freep(data);
return ret;
}
@ -406,7 +406,7 @@ int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data,
header.initialize_amf0_script(size, context->stream_id);
msg = new SrsSharedPtrMessage();
if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
if ((ret = msg->create(&header, data, size)) != ERROR_SUCCESS) {
srs_freep(data);
return ret;
}

4
trunk/src/rtmp/srs_protocol_msg_array.hpp
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@ -34,6 +34,10 @@ class SrsSharedPtrMessage;
/**
* the class to auto free the shared ptr message array.
* when need to get some messages, for instance, from Consumer queue,
* create a message array, whose msgs can used to accept the msgs,
* then send each message and set to NULL.
* @remark: when error, the message array will free the msg not sent out.
*/
class SrsSharedPtrMessageArray
{

33
trunk/src/rtmp/srs_protocol_rtmp_stack.cpp
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@ -1612,26 +1612,28 @@ SrsSharedPtrMessage::~SrsSharedPtrMessage()
}
}
int SrsSharedPtrMessage::initialize(SrsMessage* source)
int SrsSharedPtrMessage::create(SrsMessage* msg)
{
int ret = ERROR_SUCCESS;
if ((ret = initialize(&source->header, (char*)source->payload, source->size)) != ERROR_SUCCESS) {
if ((ret = create(&msg->header, (char*)msg->payload, msg->size)) != ERROR_SUCCESS) {
return ret;
}
// detach the payload from source
source->payload = NULL;
source->size = 0;
// to prevent double free of payload:
// initialize already attach the payload of msg,
// detach the payload to transfer the owner to shared ptr.
msg->payload = NULL;
msg->size = 0;
return ret;
}
int SrsSharedPtrMessage::initialize(SrsMessageHeader* source, char* payload, int size)
int SrsSharedPtrMessage::create(SrsMessageHeader* pheader, char* payload, int size)
{
int ret = ERROR_SUCCESS;
srs_assert(source != NULL);
srs_assert(pheader != NULL);
if (ptr) {
ret = ERROR_SYSTEM_ASSERT_FAILED;
srs_error("should not set the payload twice. ret=%d", ret);
@ -1640,28 +1642,31 @@ int SrsSharedPtrMessage::initialize(SrsMessageHeader* source, char* payload, int
return ret;
}
header = *source;
header = *pheader;
header.payload_length = size;
ptr = new __SrsSharedPtr();
// direct attach the data of common message.
// direct attach the data.
ptr->payload = payload;
ptr->size = size;
// message can access it.
SrsMessage::payload = (int8_t*)ptr->payload;
SrsMessage::size = ptr->size;
return ret;
}
int SrsSharedPtrMessage::count()
{
srs_assert(ptr);
return ptr->shared_count;
}
SrsSharedPtrMessage* SrsSharedPtrMessage::copy()
{
if (!ptr) {
srs_error("invoke initialize to initialize the ptr.");
srs_assert(false);
return NULL;
}
srs_assert(ptr);
SrsSharedPtrMessage* copy = new SrsSharedPtrMessage();

32
trunk/src/rtmp/srs_protocol_rtmp_stack.hpp
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@ -370,6 +370,13 @@ public:
* shared ptr message.
* for audio/video/data message that need less memory copy.
* and only for output.
*
* create first object by constructor and create(),
* use copy if need reference count message.
*
* Usage:
* SrsSharedPtrMessage msg;
*
*/
class SrsSharedPtrMessage : public SrsMessage
{
@ -390,19 +397,30 @@ public:
virtual ~SrsSharedPtrMessage();
public:
/**
* set the shared payload.
* we will detach the payload of source,
* so ensure donot use it before.
* create shared ptr message,
* copy header, manage the payload of msg,
* set the payload to NULL to prevent double free.
* @remark payload of msg set to NULL if success.
*/
virtual int create(SrsMessage* msg);
/**
* create shared ptr message,
* from the header and payload.
* @remark user should never free the payload.
*/
virtual int initialize(SrsMessage* source);
virtual int create(SrsMessageHeader* pheader, char* payload, int size);
/**
* set the shared payload.
* use source header, and specified param payload.
* get current reference count.
* when this object created, count set to 0.
* if copy() this object, count increase 1.
* if this or copy deleted, free payload when count is 0, or count--.
* @remark, assert object is created.
*/
virtual int initialize(SrsMessageHeader* source, char* payload, int size);
virtual int count();
public:
/**
* copy current shared ptr message, use ref-count.
* @remark, assert object is created.
*/
virtual SrsSharedPtrMessage* copy();
};

26
trunk/src/utest/srs_utest_protocol.cpp
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@ -27,6 +27,8 @@ using namespace std;
#include <srs_kernel_error.hpp>
#include <srs_core_autofree.hpp>
#include <srs_protocol_utility.hpp>
#include <srs_protocol_msg_array.hpp>
#include <srs_protocol_rtmp_stack.hpp>
MockEmptyIO::MockEmptyIO()
{
@ -389,3 +391,27 @@ VOID TEST(ProtocolUtilityTest, GenerateTcUrl)
tcUrl = srs_generate_tc_url(ip, vhost, app, port);
EXPECT_STREQ("rtmp://demo:19351/live", tcUrl.c_str());
}
VOID TEST(ProtocolMsgArrayTest, MessageArray)
{
SrsMessageHeader header;
SrsSharedPtrMessage msg;
char* payload = new char[1024];
EXPECT_TRUE(ERROR_SUCCESS == msg.create(&header, payload, 1024));
EXPECT_EQ(0, msg.count());
if (true) {
SrsSharedPtrMessageArray arr(3);
arr.msgs[0] = msg.copy();
EXPECT_EQ(1, msg.count());
arr.msgs[1] = msg.copy();
EXPECT_EQ(2, msg.count());
arr.msgs[2] = msg.copy();
EXPECT_EQ(3, msg.count());
}
EXPECT_EQ(0, msg.count());
}

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