int
main(int argc, char **argv)
{
extern char *optarg;
int nStatus = RD_SUCCESS;
double percent = 0;
double duration = 0.0;
int nSkipKeyFrames = DEF_SKIPFRM; // skip this number of keyframes when resuming
int bOverrideBufferTime = FALSE; // if the user specifies a buffer time override this is true
int bStdoutMode = TRUE; // if true print the stream directly to stdout, messages go to stderr
uint32_t dSeek = 0; // seek position in resume mode, 0 otherwise
uint32_t bufferTime = DEF_BUFTIME;
// meta header and initial frame for the resume mode (they are read from the file and compared with
// the stream we are trying to continue
char *metaHeader = 0;
uint32_t nMetaHeaderSize = 0;
// video keyframe for matching
char *initialFrame = 0;
uint32_t nInitialFrameSize = 0;
int initialFrameType = 0; // tye: audio or video
AVal hostname = { 0, 0 };
AVal playpath = { 0, 0 };
AVal subscribepath = { 0, 0 };
AVal usherToken = { 0, 0 }; //Justin.tv auth token
int port = -1;
int protocol = RTMP_PROTOCOL_UNDEFINED;
int retries = 0;
int bLiveStream = TRUE; // is it a live stream? then we can't seek/resume
int bRealtimeStream = FALSE; // If true, disable the BUFX hack (be patient)
int bHashes = FALSE; // display byte counters not hashes by default
long int timeout = DEF_TIMEOUT; // timeout connection after 120 seconds
uint32_t dStartOffset = 0; // seek position in non-live mode
uint32_t dStopOffset = 0;
RTMP rtmp = { 0 };
AVal fullUrl = { 0, 0 };
AVal swfUrl = { 0, 0 };
AVal tcUrl = { 0, 0 };
AVal pageUrl = { 0, 0 };
AVal app = { 0, 0 };
AVal auth = { 0, 0 };
AVal swfHash = { 0, 0 };
uint32_t swfSize = 0;
AVal flashVer = { 0, 0 };
AVal sockshost = { 0, 0 };
char *flvFile = 0;
signal(SIGINT, sigIntHandler);
signal(SIGTERM, sigIntHandler);
signal(SIGHUP, sigIntHandler);
signal(SIGPIPE, sigIntHandler);
signal(SIGQUIT, sigIntHandler);
RTMP_debuglevel = RTMP_LOGINFO;
// Check for --quiet option before printing any output
int index = 0;
while (index < argc)
{
if (strcmp(argv[index], "--quiet") == 0 || strcmp(argv[index], "-q") == 0)
RTMP_debuglevel = RTMP_LOGCRIT;
index++;
}
RTMP_LogPrintf("RTMPDump %s\n", RTMPDUMP_VERSION);
RTMP_LogPrintf("(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL\n");
RTMP_Init(&rtmp);//初始化RTMP参数
int opt;
struct option longopts[] = {
{"help", 0, NULL, 'h'},
{"host", 1, NULL, 'n'},
{"port", 1, NULL, 'c'},
{"socks", 1, NULL, 'S'},
{"protocol", 1, NULL, 'l'},
{"playpath", 1, NULL, 'y'},
{"playlist", 0, NULL, 'Y'},
{"url", 1, NULL, 'i'},
{"rtmp", 1, NULL, 'r'},
{"swfUrl", 1, NULL, 's'},
{"tcUrl", 1, NULL, 't'},
{"pageUrl", 1, NULL, 'p'},
{"app", 1, NULL, 'a'},
{"auth", 1, NULL, 'u'},
{"conn", 1, NULL, 'C'},
{"flashVer", 1, NULL, 'f'},
{"live", 0, NULL, 'v'},
{"realtime", 0, NULL, 'R'},
{"flv", 1, NULL, 'o'},
{"timeout", 1, NULL, 'm'},
{"buffer", 1, NULL, 'b'},
{"skip", 1, NULL, 'k'},
{"subscribe", 1, NULL, 'd'},
{"start", 1, NULL, 'A'},
{"stop", 1, NULL, 'B'},
{"token", 1, NULL, 'T'},
{"hashes", 0, NULL, '#'},
{"debug", 0, NULL, 'z'},
{"quiet", 0, NULL, 'q'},
{"verbose", 0, NULL, 'V'},
{"jtv", 1, NULL, 'j'},
{0, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "hVvqzRr:s:t:i:p:a:b:f:o:u:C:n:c:l:y:Ym:k:d:A:B:T:w:x:W:X:S:#j:", longopts, NULL)) != -1)
{
switch (opt)
{
case 'h':
usage(argv[0]);
return RD_SUCCESS;
case 'k':
nSkipKeyFrames = atoi(optarg);
if (nSkipKeyFrames < 0)
{
RTMP_Log(RTMP_LOGERROR,
"Number of keyframes skipped must be greater or equal zero, using zero!");
nSkipKeyFrames = 0;
}
else
{
RTMP_Log(RTMP_LOGDEBUG, "Number of skipped key frames for resume: %d",
nSkipKeyFrames);
}
break;
case 'b':
{
int32_t bt = atol(optarg);
if (bt < 0)
{
RTMP_Log(RTMP_LOGERROR,
"Buffer time must be greater than zero, ignoring the specified value %d!",
bt);
}
else
{
bufferTime = bt;
bOverrideBufferTime = TRUE;
}
break;
}
case 'v':
bLiveStream = TRUE; // no seeking or resuming possible!
break;
case 'R':
bRealtimeStream = TRUE; // seeking and resuming is still possible
break;
case 'd':
STR2AVAL(subscribepath, optarg);
break;
case 'n':
STR2AVAL(hostname, optarg);
break;
case 'c':
port = atoi(optarg);
break;
case 'l':
protocol = atoi(optarg);
if (protocol < RTMP_PROTOCOL_RTMP || protocol > RTMP_PROTOCOL_RTMPTS)
{
RTMP_Log(RTMP_LOGERROR, "Unknown protocol specified: %d", protocol);
return RD_FAILED;
}
break;
case 'y':
STR2AVAL(playpath, optarg);
break;
case 'Y':
RTMP_SetOpt(&rtmp, &av_playlist, (AVal *)&av_true);
break;
case 'r':
{
AVal parsedHost, parsedApp, parsedPlaypath;
unsigned int parsedPort = 0;
int parsedProtocol = RTMP_PROTOCOL_UNDEFINED;
if (!RTMP_ParseURL
(optarg, &parsedProtocol, &parsedHost, &parsedPort,
&parsedPlaypath, &parsedApp))
{
RTMP_Log(RTMP_LOGWARNING, "Couldn't parse the specified url (%s)!",
optarg);
}
else
{
if (!hostname.av_len)
hostname = parsedHost;
if (port == -1)
port = parsedPort;
if (playpath.av_len == 0 && parsedPlaypath.av_len)
{
playpath = parsedPlaypath;
}
if (protocol == RTMP_PROTOCOL_UNDEFINED)
protocol = parsedProtocol;
if (app.av_len == 0 && parsedApp.av_len)
{
app = parsedApp;
}
}
break;
}
case 'i':
STR2AVAL(fullUrl, optarg);
break;
case 's':
STR2AVAL(swfUrl, optarg);
break;
case 't':
STR2AVAL(tcUrl, optarg);
break;
case 'p':
STR2AVAL(pageUrl, optarg);
break;
case 'a':
STR2AVAL(app, optarg);
break;
case 'f':
STR2AVAL(flashVer, optarg);
break;
case 'o':
flvFile = optarg;
if (strcmp(flvFile, "-"))
bStdoutMode = FALSE;
break;
case 'u':
STR2AVAL(auth, optarg);
break;
case 'C': {
AVal av;
STR2AVAL(av, optarg);
if (!RTMP_SetOpt(&rtmp, &av_conn, &av))
{
RTMP_Log(RTMP_LOGERROR, "Invalid AMF parameter: %s", optarg);
return RD_FAILED;
}
}
break;
case 'm':
timeout = atoi(optarg);
break;
case 'A':
dStartOffset = (int) (atof(optarg) * 1000.0);
break;
case 'B':
dStopOffset = (int) (atof(optarg) * 1000.0);
break;
case 'T': {
AVal token;
STR2AVAL(token, optarg);
RTMP_SetOpt(&rtmp, &av_token, &token);
}
break;
case '#':
bHashes = TRUE;
break;
case 'q':
RTMP_debuglevel = RTMP_LOGCRIT;
break;
case 'V':
RTMP_debuglevel = RTMP_LOGDEBUG;
break;
case 'z':
RTMP_debuglevel = RTMP_LOGALL;
break;
case 'S':
STR2AVAL(sockshost, optarg);
break;
case 'j':
STR2AVAL(usherToken, optarg);
break;
default:
RTMP_LogPrintf("unknown option: %c\n", opt);
usage(argv[0]);
return RD_FAILED;
break;
}
}
if (!hostname.av_len && !fullUrl.av_len)
{
RTMP_Log(RTMP_LOGERROR, "You must specify a hostname (--host) or url (-r \"rtmp://host[:port]/playpath\") containing a hostname");
return RD_FAILED;
}
if (playpath.av_len == 0 && !fullUrl.av_len)
{
RTMP_Log(RTMP_LOGERROR, "You must specify a playpath (--playpath) or url (-r \"rtmp://host[:port]/playpath\") containing a playpath");
return RD_FAILED;
}
if (protocol == RTMP_PROTOCOL_UNDEFINED && !fullUrl.av_len)
{
RTMP_Log(RTMP_LOGWARNING, "You haven't specified a protocol (--protocol) or rtmp url (-r), using default protocol RTMP");
protocol = RTMP_PROTOCOL_RTMP;
}
if (port == -1 && !fullUrl.av_len)
{
RTMP_Log(RTMP_LOGWARNING, "You haven't specified a port (--port) or rtmp url (-r), using default port 1935");
port = 0;
}
if (port == 0 && !fullUrl.av_len)
{
if (protocol & RTMP_FEATURE_SSL)
port = 443;
else if (protocol & RTMP_FEATURE_HTTP)
port = 80;
else
port = 1935;
}
if (flvFile == 0)
{
RTMP_Log(RTMP_LOGWARNING,
"You haven't specified an output file (-o filename), using stdout");
bStdoutMode = TRUE;
}
if (tcUrl.av_len == 0)
{
tcUrl.av_len = strlen(RTMPProtocolStringsLower[protocol]) + hostname.av_len + app.av_len + sizeof("://:65535/");
tcUrl.av_val = (char *) malloc(tcUrl.av_len);
if (!tcUrl.av_val)
return RD_FAILED;
tcUrl.av_len = snprintf(tcUrl.av_val, tcUrl.av_len, "%s://%.*s:%d/%.*s", RTMPProtocolStringsLower[protocol], hostname.av_len,
hostname.av_val, port, app.av_len, app.av_val);
}
int first = 1;
// User defined seek offset
if (dStartOffset > 0) {
// Live stream
if (bLiveStream) {
RTMP_Log(RTMP_LOGWARNING, "Can't seek in a live stream, ignoring --start option");
dStartOffset = 0;
}
}
if (!fullUrl.av_len){
RTMP_SetupStream(&rtmp, protocol, &hostname, port, &sockshost, &playpath,
&tcUrl, &swfUrl, &pageUrl, &app, &auth, &swfHash, swfSize,
&flashVer, &subscribepath, &usherToken, dSeek, dStopOffset, bLiveStream, timeout);
}
else
{//指定了-i 参数，直接设置URL
if (RTMP_SetupURL(&rtmp, fullUrl.av_val) == FALSE) {
RTMP_Log(RTMP_LOGERROR, "Couldn't parse URL: %s", fullUrl.av_val);
return RD_FAILED;
}
}
/* Try to keep the stream moving if it pauses on us */
if (!bLiveStream && !bRealtimeStream && !(protocol & RTMP_FEATURE_HTTP))
rtmp.Link.lFlags |= RTMP_LF_BUFX;
if( bLiveStream ){
rtmp.Link.lFlags |= RTMP_LF_LIVE ;
}
if (!file)
{
if (bStdoutMode)
{
file = stdout;
SET_BINMODE(file);
}
else
{
file = fopen(flvFile, "w+b");
if (file == 0)
{
RTMP_LogPrintf("Failed to open file! %s\n", flvFile);
return RD_FAILED;
}
}
}
#ifdef _DEBUG
netstackdump = fopen("netstackdump", "wb");
netstackdump_read = fopen("netstackdump_read", "wb");
#endif
while (!RTMP_ctrlC)
{
RTMP_Log(RTMP_LOGDEBUG, "Setting buffer time to: %dms", bufferTime);
RTMP_SetBufferMS(&rtmp, bufferTime);
if (first)
{
first = 0;
RTMP_LogPrintf("Connecting ...\n");
if (!RTMP_Connect(&rtmp, NULL))
{
nStatus = RD_NO_CONNECT;
break;
}
RTMP_Log(RTMP_LOGINFO, "Connected...");
// User defined seek offset
if (dStartOffset > 0)
{// Don't need the start offset if resuming an existing file
dSeek = dStartOffset;
}
// Calculate the length of the stream to still play
if (dStopOffset > 0) {// Quit if start seek is past required stop offset
if (dStopOffset <= dSeek)
{
RTMP_LogPrintf("Already Completed\n");
nStatus = RD_SUCCESS;
break;
}
}
if (!RTMP_ConnectStream(&rtmp, dSeek))
{
nStatus = RD_FAILED;
break;
}
}
else
{
nInitialFrameSize = 0;
if (retries)
{
RTMP_Log(RTMP_LOGERROR, "Failed to resume the stream\n\n");
if (!RTMP_IsTimedout(&rtmp))
nStatus = RD_FAILED;
else
nStatus = RD_INCOMPLETE;
break;
}
RTMP_Log(RTMP_LOGINFO, "Connection timed out, trying to resume.\n\n");
/* Did we already try pausing, and it still didn't work? */
if (rtmp.m_pausing == 3)
{
/* Only one try at reconnecting... */
retries = 1;
dSeek = rtmp.m_pauseStamp;
if (dStopOffset > 0)
{
if (dStopOffset <= dSeek)
{
RTMP_LogPrintf("Already Completed\n");
nStatus = RD_SUCCESS;
break;
}
}
if (!RTMP_ReconnectStream(&rtmp, dSeek))
{
RTMP_Log(RTMP_LOGERROR, "Failed to resume the stream\n\n");
if (!RTMP_IsTimedout(&rtmp))
nStatus = RD_FAILED;
else
nStatus = RD_INCOMPLETE;
break;
}
}
else if (!RTMP_ToggleStream(&rtmp))
{
RTMP_Log(RTMP_LOGERROR, "Failed to resume the stream\n\n");
if (!RTMP_IsTimedout(&rtmp))
nStatus = RD_FAILED;
else
nStatus = RD_INCOMPLETE;
break;
}
}
nStatus = Download(&rtmp, file, dSeek, dStopOffset, duration,
metaHeader, nMetaHeaderSize, initialFrame,
initialFrameType, nInitialFrameSize, nSkipKeyFrames,
bStdoutMode, bLiveStream, bRealtimeStream, bHashes,
bOverrideBufferTime, bufferTime, &percent);
free(initialFrame);
initialFrame = NULL;
/* If we succeeded, we're done.
*/
if (nStatus != RD_INCOMPLETE || !RTMP_IsTimedout(&rtmp) || bLiveStream)
break;
}
if (nStatus == RD_SUCCESS)
{
RTMP_LogPrintf("Download complete\n");
}
else if (nStatus == RD_INCOMPLETE)
{
RTMP_LogPrintf
("Download may be incomplete (downloaded about %.2f%%), try resuming\n",
percent);
}
//clean:
RTMP_Log(RTMP_LOGDEBUG, "Closing connection.\n");
RTMP_Close(&rtmp);
if (file != 0)
fclose(file);
#ifdef _DEBUG
if (netstackdump != 0)
fclose(netstackdump);
if (netstackdump_read != 0)
fclose(netstackdump_read);
#endif
return nStatus;
}
int main(int argc, char **argv)
{
extern char *optarg;
int nStatus = RD_SUCCESS;
int bStdoutMode = TRUE; // if true print the stream directly to stdout, messages go to stderr
int bLiveStream = TRUE; // is it a live stream? then we can't seek/resume
long int timeout = DEF_TIMEOUT; // timeout connection after 120 seconds
RTMP rtmp = { 0 };
AVal fullUrl = { 0, 0 };
RTMP_debuglevel = RTMP_LOGINFO;
char *flvFile = 0;
signal(SIGINT, sigIntHandler);
signal(SIGTERM, sigIntHandler);
signal(SIGHUP, sigIntHandler);
signal(SIGPIPE, sigIntHandler);
signal(SIGQUIT, sigIntHandler);
RTMP_LogPrintf("RTMPDump %s\n", RTMPDUMP_VERSION);
RTMP_LogPrintf("(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL\n");
int opt;
struct option longopts[] = {
{"help", 0, NULL, 'h'},
{"url", 1, NULL, 'i'},
{"rtmp", 1, NULL, 'r'},
{"live", 0, NULL, 'v'},
{"timeout", 1, NULL, 'm'},
{"hashes", 0, NULL, '#'},
{"quiet", 0, NULL, 'q'},
{"verbose", 0, NULL, 'V'},
{0, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "hVvqzRr:s:t:i:p:a:b:f:o:u:C:n:c:l:y:Ym:k:d:A:B:T:w:x:W:X:S:#j:", longopts, NULL)) != -1)
{
switch (opt)
{
case 'h':
usage(argv[0]);
return RD_SUCCESS;
case 'v':
bLiveStream = TRUE; // no seeking or resuming possible!
break;
case 'i':
STR2AVAL(fullUrl, optarg);
break;
case 'o':
flvFile = optarg;
if (strcmp(flvFile, "-"))
bStdoutMode = FALSE;
break;
case 'm':
timeout = atoi(optarg);
break;
case 'q':
RTMP_debuglevel = RTMP_LOGCRIT;
break;
case 'V':
RTMP_debuglevel = RTMP_LOGDEBUG;
break;
case 'z':
RTMP_debuglevel = RTMP_LOGALL;
break;
default:
RTMP_LogPrintf("unknown option: %c\n", opt);
usage(argv[0]);
return RD_FAILED;
break;
}
}
if (flvFile == 0) {
RTMP_Log(RTMP_LOGWARNING, "You haven't specified an output file (-o filename), using stdout");
bStdoutMode = TRUE;
}
if (!file) {
if (bStdoutMode) {
file = stdout;
SET_BINMODE(file);
}
else {
file = fopen(flvFile, "w+b");
if (file == 0) {
RTMP_LogPrintf("Failed to open file! %s\n", flvFile);
return RD_FAILED;
}
}
}
////////////////////////////////////////////////////////////////////////////////////////
RTMP_Init(&rtmp);//初始化RTMP参数
//指定了-i 参数，直接设置URL
if (RTMP_SetupURL(&rtmp, fullUrl.av_val) == FALSE) {
RTMP_Log(RTMP_LOGERROR, "Couldn't parse URL: %s", fullUrl.av_val);
return RD_FAILED;
}
rtmp.Link.timeout = timeout ;
/* Try to keep the stream moving if it pauses on us */
if (!bLiveStream )
rtmp.Link.lFlags |= RTMP_LF_BUFX;
else {
rtmp.Link.lFlags |= RTMP_LF_LIVE ;
}
printf("aaaaa:%d\n", rtmp.Link.lFlags ) ;
while (!RTMP_ctrlC)
{
RTMP_Log(RTMP_LOGDEBUG, "Setting buffer time to: %dms", DEF_BUFTIME);
RTMP_SetBufferMS(&rtmp, 2000);//告诉服务器帮我缓存多久
RTMP_LogPrintf("Connecting ...\n");
if (!RTMP_Connect(&rtmp, NULL)) {//建立连接,发送"connect"
nStatus = RD_NO_CONNECT;
break;
}
RTMP_Log(RTMP_LOGINFO, "Connected...");
//处理服务端返回的各种控制消息包，比如收到connect的result后就进行createStream，以及发送play(test)消息
if (!RTMP_ConnectStream(&rtmp, 0)) {//一旦返回，表示服务端开始发送数据了.可以play了
nStatus = RD_FAILED;
break;
}
nStatus = Download(&rtmp, file, bStdoutMode, bLiveStream );
if (nStatus != RD_INCOMPLETE || !RTMP_IsTimedout(&rtmp) || bLiveStream)
break;
}
RTMP_LogPrintf("Download complete\n");
//clean:
RTMP_Log(RTMP_LOGDEBUG, "Closing connection.\n");
RTMP_Close(&rtmp);
if (file != 0)
fclose(file);
return nStatus;
}
int Download(RTMP * rtmp,
FILE * file, uint32_t dSeek, uint32_t dStopOffset, double duration, char *metaHeader, uint32_t nMetaHeaderSize, char *initialFrame, int initialFrameType, uint32_t nInitialFrameSize, int nSkipKeyFrames, int bStdoutMode, int bLiveStream, int bRealtimeStream, int bHashes, int bOverrideBufferTime, uint32_t bufferTime, double *percent) // percentage downloaded [out]
{
int32_t now, lastUpdate;
int bufferSize = 64 * 1024;
char *buffer;
int nRead = 0;
off_t size = ftello(file);
unsigned long lastPercent = 0;
rtmp->m_read.timestamp = dSeek;
*percent = 0.0;
if (rtmp->m_read.timestamp)
{
RTMP_Log(RTMP_LOGDEBUG, "Continuing at TS: %d ms\n", rtmp->m_read.timestamp);
}
if (bLiveStream)
{
RTMP_LogPrintf("Starting Live Stream\n");
}
else
{
// print initial status
// Workaround to exit with 0 if the file is fully (> 99.9%) downloaded
if (duration > 0)
{
if ((double) rtmp->m_read.timestamp >= (double) duration * 999.0)
{
RTMP_LogPrintf("Already Completed at: %.3f sec Duration=%.3f sec\n",
(double) rtmp->m_read.timestamp / 1000.0,
(double) duration / 1000.0);
return RD_SUCCESS;
}
else
{
*percent = ((double) rtmp->m_read.timestamp) / (duration * 1000.0) * 100.0;
*percent = ((double) (int) (*percent * 10.0)) / 10.0;
RTMP_LogPrintf("%s download at: %.3f kB / %.3f sec (%.1f%%)\n",
"Starting",
(double) size / 1024.0, (double) rtmp->m_read.timestamp / 1000.0,
*percent);
}
}
else
{
RTMP_LogPrintf("%s download at: %.3f kB\n",
"Starting",
(double) size / 1024.0);
}
if (bRealtimeStream)
RTMP_LogPrintf(" in approximately realtime (disabled BUFX speedup hack)\n");
}
if (dStopOffset > 0)
RTMP_LogPrintf("For duration: %.3f sec\n", (double) (dStopOffset - dSeek) / 1000.0);
rtmp->m_read.initialFrameType = initialFrameType;
rtmp->m_read.nResumeTS = dSeek;
rtmp->m_read.metaHeader = metaHeader;
rtmp->m_read.initialFrame = initialFrame;
rtmp->m_read.nMetaHeaderSize = nMetaHeaderSize;
rtmp->m_read.nInitialFrameSize = nInitialFrameSize;
buffer = (char *) malloc(bufferSize);
now = RTMP_GetTime();
lastUpdate = now - 1000;
do
{
nRead = RTMP_Read(rtmp, buffer, bufferSize);
//RTMP_LogPrintf("nRead: %d\n", nRead);
if (nRead > 0)
{
if (fwrite(buffer, sizeof(unsigned char), nRead, file) !=
(size_t) nRead)
{
RTMP_Log(RTMP_LOGERROR, "%s: Failed writing, exiting!", __FUNCTION__);
free(buffer);
return RD_FAILED;
}
size += nRead;
//RTMP_LogPrintf("write %dbytes (%.1f kB)\n", nRead, nRead/1024.0);
if (duration <= 0) // if duration unknown try to get it from the stream (onMetaData)
duration = RTMP_GetDuration(rtmp);
if (duration > 0)
{
// make sure we claim to have enough buffer time!
if (!bOverrideBufferTime && bufferTime < (duration * 1000.0))
{
bufferTime = (uint32_t) (duration * 1000.0) + 5000; // extra 5sec to make sure we've got enough
RTMP_Log(RTMP_LOGDEBUG,
"Detected that buffer time is less than duration, resetting to: %dms",
bufferTime);
RTMP_SetBufferMS(rtmp, bufferTime);
RTMP_UpdateBufferMS(rtmp);
}
*percent = ((double) rtmp->m_read.timestamp) / (duration * 1000.0) * 100.0;
*percent = ((double) (int) (*percent * 10.0)) / 10.0;
if (bHashes)
{
if (lastPercent + 1 <= *percent)
{
RTMP_LogStatus("#");
lastPercent = (unsigned long) *percent;
}
}
else
{
now = RTMP_GetTime();
if (abs(now - lastUpdate) > 200)
{
RTMP_LogStatus("\r%.3f kB / %.2f sec (%.1f%%)",
(double) size / 1024.0,
(double) (rtmp->m_read.timestamp) / 1000.0, *percent);
lastUpdate = now;
}
}
}
else
{
now = RTMP_GetTime();
if (abs(now - lastUpdate) > 200)
{
if (bHashes)
RTMP_LogStatus("#");
else
RTMP_LogStatus("\r%.3f kB / %.2f sec", (double) size / 1024.0,
(double) (rtmp->m_read.timestamp) / 1000.0);
lastUpdate = now;
}
}
}
else
{
#ifdef _DEBUG
RTMP_Log(RTMP_LOGDEBUG, "zero read!");
#endif
if (rtmp->m_read.status == RTMP_READ_EOF)
break;
}
}
while (!RTMP_ctrlC && nRead > -1 && RTMP_IsConnected(rtmp) && !RTMP_IsTimedout(rtmp));
free(buffer);
if (nRead < 0)
nRead = rtmp->m_read.status;
/* Final status update */
if (!bHashes)
{
if (duration > 0)
{
*percent = ((double) rtmp->m_read.timestamp) / (duration * 1000.0) * 100.0;
*percent = ((double) (int) (*percent * 10.0)) / 10.0;
RTMP_LogStatus("\r%.3f kB / %.2f sec (%.1f%%)",
(double) size / 1024.0,
(double) (rtmp->m_read.timestamp) / 1000.0, *percent);
}
else
{
RTMP_LogStatus("\r%.3f kB / %.2f sec", (double) size / 1024.0,
(double) (rtmp->m_read.timestamp) / 1000.0);
}
}
RTMP_Log(RTMP_LOGDEBUG, "RTMP_Read returned: %d", nRead);
if (nRead == -3)
return RD_SUCCESS;
if ((duration > 0 && *percent < 99.9) || RTMP_ctrlC || nRead < 0
|| RTMP_IsTimedout(rtmp))
{
return RD_INCOMPLETE;
}
return RD_SUCCESS;
}
int main(int argc, char* argv[])
{
InitSockets();
double duration = -1;
int nRead;
//is live stream ?
bool bLiveStream = TRUE;
int bufsize = 1024 * 1024 * 10;
char *buf = (char*)malloc(bufsize);
memset(buf, 0, bufsize);
long countbufsize = 0;
FILE *fp = fopen("receive.flv", "wb");
if (!fp)
{
RTMP_LogPrintf("Open File Error.\n");
CleanupSockets();
return -1;
}
/* set log level */
RTMP_LogLevel loglvl = RTMP_LOGDEBUG;
RTMP_LogSetLevel(loglvl);
RTMP *rtmp = RTMP_Alloc();
RTMP_Init(rtmp);
//set connection timeout,default 30s
rtmp->Link.timeout = 10;
char* rtmpFilePath = "d:\\rtmp.raw";
rtmp->m_pRTMPFile = fopen(rtmpFilePath,"rb");
if (!rtmp->m_pRTMPFile)
{
RTMP_LogPrintf("Failed to open File :%s\n", rtmpFilePath);
return FALSE;
}
// HKS's live URL
if(!RTMP_SetupURL(rtmp, "rtmp://live.hkstv.hk.lxdns.com/live/hks"))
{
RTMP_Log(RTMP_LOGERROR, "SetupURL Err\n");
RTMP_Free(rtmp);
CleanupSockets();
return -1;
}
if (bLiveStream)
{
rtmp->Link.lFlags |= RTMP_LF_LIVE;
}
//1hour
RTMP_SetBufferMS(rtmp, 3600 * 1000);
if(!RTMP_Connect(rtmp, NULL))
{
RTMP_Log(RTMP_LOGERROR, "Connect Err\n");
RTMP_Free(rtmp);
CleanupSockets();
return -1;
}
if(!RTMP_ConnectStream(rtmp, 0))
{
RTMP_Log(RTMP_LOGERROR, "ConnectStream Err\n");
RTMP_Close(rtmp);
RTMP_Free(rtmp);
CleanupSockets();
return -1;
}
while(nRead = RTMP_Read(rtmp, buf, bufsize))
{
fwrite(buf, 1, nRead, fp);
countbufsize += nRead;
RTMP_LogPrintf("Receive: %5dByte, Total: %5.2fkB\n", nRead, countbufsize * 1.0 / 1024);
}
if(fp)
fclose(fp);
if(fpPcap)
fclose(fpPcap);
if (rtmp->m_pRTMPFile)
{
fclose(rtmp->m_pRTMPFile);
}
if(buf)
{
free(buf);
}
if(rtmp)
{
RTMP_Close(rtmp);
RTMP_Free(rtmp);
CleanupSockets();
rtmp = NULL;
}
return 0;
}
void processTCPrequest(STREAMING_SERVER * server, // server socket and state (our listening socket)
int sockfd // client connection socket
)
{
char buf[512] = { 0 }; // answer buffer
char header[2048] = { 0 }; // request header
char *filename = NULL; // GET request: file name //512 not enuf
char *buffer = NULL; // stream buffer
char *ptr = NULL; // header pointer
int len;
size_t nRead = 0;
char srvhead[] = "\r\nServer: HTTP-RTMP Stream Server " RTMPDUMP_VERSION "\r\n";
char *status = "404 Not Found";
server->state = STREAMING_IN_PROGRESS;
RTMP rtmp = { 0 };
uint32_t dSeek = 0; // can be used to start from a later point in the stream
// reset RTMP options to defaults specified upon invokation of streams
RTMP_REQUEST req;
memcpy(&req, &defaultRTMPRequest, sizeof(RTMP_REQUEST));
// timeout for http requests
fd_set fds;
struct timeval tv;
memset(&tv, 0, sizeof(struct timeval));
tv.tv_sec = 5;
// go through request lines
//do {
FD_ZERO(&fds);
FD_SET(sockfd, &fds);
if (select(sockfd + 1, &fds, NULL, NULL, &tv) <= 0)
{
RTMP_Log(RTMP_LOGERROR, "Request timeout/select failed, ignoring request");
goto quit;
}
else
{
nRead = recv(sockfd, header, 2047, 0);
header[2047] = '\0';
RTMP_Log(RTMP_LOGDEBUG, "%s: header: %s", __FUNCTION__, header);
if (strstr(header, "Range: bytes=") != 0)
{
// TODO check range starts from 0 and asking till the end.
RTMP_LogPrintf("%s, Range request not supported\n", __FUNCTION__);
len = sprintf(buf, "HTTP/1.0 416 Requested Range Not Satisfiable%s\r\n",
srvhead);
send(sockfd, buf, len, 0);
goto quit;
}
if (strncmp(header, "GET", 3) == 0 && nRead > 4)
{
filename = header + 4;
// filter " HTTP/..." from end of request
char *p = filename;
while (*p != '\0')
{
if (*p == ' ')
{
*p = '\0';
break;
}
p++;
}
}
}
//} while(!isHTTPRequestEOF(header, nRead));
// if we got a filename from the GET method
if (filename != NULL)
{
RTMP_Log(RTMP_LOGDEBUG, "%s: Request header: %s", __FUNCTION__, filename);
if (filename[0] == '/')
{ // if its not empty, is it /?
ptr = filename + 1;
// parse parameters
if (*ptr == '?')
{
ptr++;
int len = strlen(ptr);
while (len >= 2)
{
char ich = *ptr;
ptr++;
if (*ptr != '=')
goto filenotfound; // long parameters not (yet) supported
ptr++;
len -= 2;
// get position of the next '&'
char *temp;
unsigned int nArgLen = len;
if ((temp = strstr(ptr, "&")) != 0)
{
nArgLen = temp - ptr;
}
char *arg = (char *) malloc((nArgLen + 1) * sizeof(char));
memcpy(arg, ptr, nArgLen * sizeof(char));
arg[nArgLen] = '\0';
//RTMP_Log(RTMP_LOGDEBUG, "%s: unescaping parameter: %s", __FUNCTION__, arg);
http_unescape(arg);
RTMP_Log(RTMP_LOGDEBUG, "%s: parameter: %c, arg: %s", __FUNCTION__,
ich, arg);
ptr += nArgLen + 1;
len -= nArgLen + 1;
if (!ParseOption(ich, arg, &req))
{
status = "400 unknown option";
goto filenotfound;
}
}
}
}
else
{
goto filenotfound;
}
}
else
{
RTMP_LogPrintf("%s: No request header received/unsupported method\n",
__FUNCTION__);
}
// do necessary checks right here to make sure the combined request of default values and GET parameters is correct
if (!req.hostname.av_len && !req.fullUrl.av_len)
{
RTMP_Log(RTMP_LOGERROR,
"You must specify a hostname (--host) or url (-r \"rtmp://host[:port]/playpath\") containing a hostname");
status = "400 Missing Hostname";
goto filenotfound;
}
if (req.playpath.av_len == 0 && !req.fullUrl.av_len)
{
RTMP_Log(RTMP_LOGERROR,
"You must specify a playpath (--playpath) or url (-r \"rtmp://host[:port]/playpath\") containing a playpath");
status = "400 Missing Playpath";
goto filenotfound;;
}
if (req.protocol == RTMP_PROTOCOL_UNDEFINED && !req.fullUrl.av_len)
{
RTMP_Log(RTMP_LOGWARNING,
"You haven't specified a protocol (--protocol) or rtmp url (-r), using default protocol RTMP");
req.protocol = RTMP_PROTOCOL_RTMP;
}
if (req.rtmpport == -1 && !req.fullUrl.av_len)
{
RTMP_Log(RTMP_LOGWARNING,
"You haven't specified a port (--port) or rtmp url (-r), using default port");
req.rtmpport = 0;
}
if (req.rtmpport == 0 && !req.fullUrl.av_len)
{
if (req.protocol & RTMP_FEATURE_SSL)
req.rtmpport = 443;
else if (req.protocol & RTMP_FEATURE_HTTP)
req.rtmpport = 80;
else
req.rtmpport = 1935;
}
if (req.tcUrl.av_len == 0)
{
char str[512] = { 0 };
req.tcUrl.av_len = snprintf(str, 511, "%s://%.*s:%d/%.*s",
RTMPProtocolStringsLower[req.protocol], req.hostname.av_len,
req.hostname.av_val, req.rtmpport, req.app.av_len, req.app.av_val);
req.tcUrl.av_val = (char *) malloc(req.tcUrl.av_len + 1);
strcpy(req.tcUrl.av_val, str);
}
if (req.swfVfy)
{
#ifdef CRYPTO
if (RTMP_HashSWF(req.swfUrl.av_val, &req.swfSize, req.hash, req.swfAge) == 0)
{
req.swfHash.av_val = (char *)req.hash;
req.swfHash.av_len = RTMP_SWF_HASHLEN;
}
#endif
}
// after validation of the http request send response header
len = sprintf(buf, "HTTP/1.0 200 OK%sContent-Type: video/flv\r\n\r\n", srvhead);
send(sockfd, buf, len, 0);
// send the packets
buffer = (char *) calloc(PACKET_SIZE, 1);
// User defined seek offset
if (req.dStartOffset > 0)
{
if (req.bLiveStream)
RTMP_Log(RTMP_LOGWARNING,
"Can't seek in a live stream, ignoring --seek option");
else
dSeek += req.dStartOffset;
}
if (dSeek != 0)
{
RTMP_LogPrintf("Starting at TS: %d ms\n", dSeek);
}
RTMP_Log(RTMP_LOGDEBUG, "Setting buffer time to: %dms", req.bufferTime);
RTMP_Init(&rtmp);
RTMP_SetBufferMS(&rtmp, req.bufferTime);
if (!req.fullUrl.av_len)
{
RTMP_SetupStream(&rtmp, req.protocol, &req.hostname, req.rtmpport, &req.sockshost,
&req.playpath, &req.tcUrl, &req.swfUrl, &req.pageUrl, &req.app, &req.auth, &req.swfHash, req.swfSize, &req.flashVer, &req.subscribepath, &req.usherToken, dSeek, req.dStopOffset,
req.bLiveStream, req.timeout);
}
else
{
if (RTMP_SetupURL(&rtmp, req.fullUrl.av_val) == FALSE)
{
RTMP_Log(RTMP_LOGERROR, "Couldn't parse URL: %s", req.fullUrl.av_val);
return;
}
}
/* backward compatibility, we always sent this as true before */
if (req.auth.av_len)
rtmp.Link.lFlags |= RTMP_LF_AUTH;
rtmp.Link.extras = req.extras;
rtmp.Link.token = req.token;
rtmp.m_read.timestamp = dSeek;
RTMP_LogPrintf("Connecting ... port: %d, app: %s\n", req.rtmpport, req.app.av_val);
if (!RTMP_Connect(&rtmp, NULL))
{
RTMP_LogPrintf("%s, failed to connect!\n", __FUNCTION__);
}
else
{
unsigned long size = 0;
double percent = 0;
double duration = 0.0;
int nWritten = 0;
int nRead = 0;
do
{
nRead = RTMP_Read(&rtmp, buffer, PACKET_SIZE);
if (nRead > 0)
{
if ((nWritten = send(sockfd, buffer, nRead, 0)) < 0)
{
RTMP_Log(RTMP_LOGERROR, "%s, sending failed, error: %d", __FUNCTION__,
GetSockError());
goto cleanup; // we are in STREAMING_IN_PROGRESS, so we'll go to STREAMING_ACCEPTING
}
size += nRead;
//RTMP_LogPrintf("write %dbytes (%.1f KB)\n", nRead, nRead/1024.0);
if (duration <= 0) // if duration unknown try to get it from the stream (onMetaData)
duration = RTMP_GetDuration(&rtmp);
if (duration > 0)
{
percent =
((double) (dSeek + rtmp.m_read.timestamp)) / (duration *
1000.0) * 100.0;
percent = ((double) (int) (percent * 10.0)) / 10.0;
RTMP_LogStatus("\r%.3f KB / %.2f sec (%.1f%%)",
(double) size / 1024.0,
(double) (rtmp.m_read.timestamp) / 1000.0, percent);
}
else
{
RTMP_LogStatus("\r%.3f KB / %.2f sec", (double) size / 1024.0,
(double) (rtmp.m_read.timestamp) / 1000.0);
}
}
#ifdef _DEBUG
else
{
RTMP_Log(RTMP_LOGDEBUG, "zero read!");
}
#endif
}
while (server->state == STREAMING_IN_PROGRESS && nRead > -1
&& RTMP_IsConnected(&rtmp) && nWritten >= 0);
}
cleanup:
RTMP_LogPrintf("Closing connection... ");
RTMP_Close(&rtmp);
RTMP_LogPrintf("done!\n\n");
quit:
if (buffer)
{
free(buffer);
buffer = NULL;
}
if (sockfd)
closesocket(sockfd);
if (server->state == STREAMING_IN_PROGRESS)
server->state = STREAMING_ACCEPTING;
return;
filenotfound:
RTMP_LogPrintf("%s, %s, %s\n", __FUNCTION__, status, filename);
len = sprintf(buf, "HTTP/1.0 %s%s\r\n", status, srvhead);
send(sockfd, buf, len, 0);
goto quit;
}
int
main(int argc, char **argv)
{
extern char *optarg;
int nStatus = RD_SUCCESS;
double percent = 0;
double duration = 0.0;
int nSkipKeyFrames = DEF_SKIPFRM; // skip this number of keyframes when resuming
int bOverrideBufferTime = FALSE; // if the user specifies a buffer time override this is true
int bStdoutMode = TRUE; // if true print the stream directly to stdout, messages go to stderr
int bResume = FALSE; // true in resume mode
uint32_t dSeek = 0; // seek position in resume mode, 0 otherwise
uint32_t bufferTime = DEF_BUFTIME;//xjzhang,默认的bufferTime为10小时；
// meta header and initial frame for the resume mode (they are read from the file and compared with
// the stream we are trying to continue
char *metaHeader = 0;
uint32_t nMetaHeaderSize = 0;
// video keyframe for matching
char *initialFrame = 0;
uint32_t nInitialFrameSize = 0;
int initialFrameType = 0; // tye: audio or video
AVal hostname = { 0, 0 };
AVal playpath = { 0, 0 };
AVal subscribepath = { 0, 0 };
int port = -1;
int protocol = RTMP_PROTOCOL_UNDEFINED;
int retries = 0;
int bLiveStream = FALSE; // is it a live stream? then we can't seek/resume
int bHashes = FALSE; // display byte counters not hashes by default
long int timeout = DEF_TIMEOUT; // timeout connection after 120 seconds
uint32_t dStartOffset = 0; // seek position in non-live mode
uint32_t dStopOffset = 0;
RTMP rtmp = { 0 };
AVal swfUrl = { 0, 0 };
AVal tcUrl = { 0, 0 };
AVal pageUrl = { 0, 0 };
AVal app = { 0, 0 };
AVal auth = { 0, 0 };
AVal swfHash = { 0, 0 };
uint32_t swfSize = 0;
AVal flashVer = { 0, 0 };
AVal sockshost = { 0, 0 };
#ifdef CRYPTO
int swfAge = 30; /* 30 days for SWF cache by default */
int swfVfy = 0;
unsigned char hash[RTMP_SWF_HASHLEN];
#endif
char *flvFile = 0;
//xjzhang, 屏蔽这些signal，进入正常退出流程；
signal(SIGINT, sigIntHandler);
signal(SIGTERM, sigIntHandler);
#ifndef WIN32
signal(SIGHUP, sigIntHandler);
signal(SIGPIPE, sigIntHandler);
signal(SIGQUIT, sigIntHandler);
#endif
RTMP_debuglevel = RTMP_LOGINFO;
// Check for --quiet option before printing any output
int index = 0;
while (index < argc)
{
if (strcmp(argv[index], "--quiet") == 0
|| strcmp(argv[index], "-q") == 0)
RTMP_debuglevel = RTMP_LOGCRIT;
index++;
}
#define RTMPDUMP_VERSION "2.3b"
RTMP_LogPrintf("RTMPDump %s\n", RTMPDUMP_VERSION);
RTMP_LogPrintf
("(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL\n");
//xjzhang, 只对Window版本，因为window对socket操作需要先用WSAStartup()初始化；
if (!InitSockets())
{
RTMP_Log(RTMP_LOGERROR,
"Couldn't load sockets support on your platform, exiting!");
return RD_FAILED;
}
/* sleep(30); */
//xjzhang,初始化rtmp结构体；
RTMP_Init(&rtmp);
int opt;
/* struct option longopts[] = {
{"help", 0, NULL, 'h'},
{"host", 1, NULL, 'n'},
{"port", 1, NULL, 'c'},
{"socks", 1, NULL, 'S'},
{"protocol", 1, NULL, 'l'},
{"playpath", 1, NULL, 'y'},
{"playlist", 0, NULL, 'Y'},
{"rtmp", 1, NULL, 'r'},
{"swfUrl", 1, NULL, 's'},
{"tcUrl", 1, NULL, 't'},
{"pageUrl", 1, NULL, 'p'},
{"app", 1, NULL, 'a'},
{"auth", 1, NULL, 'u'},
{"conn", 1, NULL, 'C'},
#ifdef CRYPTO
{"swfhash", 1, NULL, 'w'},
{"swfsize", 1, NULL, 'x'},
{"swfVfy", 1, NULL, 'W'},
{"swfAge", 1, NULL, 'X'},
#endif
{"flashVer", 1, NULL, 'f'},
{"live", 0, NULL, 'v'},
{"flv", 1, NULL, 'o'},
{"resume", 0, NULL, 'e'},
{"timeout", 1, NULL, 'm'},
{"buffer", 1, NULL, 'b'},
{"skip", 1, NULL, 'k'},
{"subscribe", 1, NULL, 'd'},
{"start", 1, NULL, 'A'},
{"stop", 1, NULL, 'B'},
{"token", 1, NULL, 'T'},
{"hashes", 0, NULL, '#'},
{"debug", 0, NULL, 'z'},
{"quiet", 0, NULL, 'q'},
{"verbose", 0, NULL, 'V'},
{0, 0, 0, 0}
};*/
//xjzhang, 从命令行参数中获取配置选项；
while ((opt =
getopt/*_long*/(argc, argv,
"hVveqzr:s:t:p:a:b:f:o:u:C:n:c:l:y:Ym:k:d:A:B:T:w:x:W:X:S:#"/*,
longopts, NULL*/)) != -1)
{
switch (opt)
{
case 'h':
usage(argv[0]);
return RD_SUCCESS;
#ifdef CRYPTO
case 'w':
{
int res = hex2bin(optarg, &swfHash.av_val);
if (res != RTMP_SWF_HASHLEN)
{
swfHash.av_val = NULL;
RTMP_Log(RTMP_LOGWARNING,
"Couldn't parse swf hash hex string, not hexstring or not %d bytes, ignoring!", RTMP_SWF_HASHLEN);
}
swfHash.av_len = RTMP_SWF_HASHLEN;
break;
}
case 'x':
{
int size = atoi(optarg);
if (size <= 0)
{
RTMP_Log(RTMP_LOGERROR, "SWF Size must be at least 1, ignoring\n");
}
else
{
swfSize = size;
}
break;
}
case 'W':
STR2AVAL(swfUrl, optarg);
swfVfy = 1;
break;
case 'X':
{
int num = atoi(optarg);
if (num < 0)
{
RTMP_Log(RTMP_LOGERROR, "SWF Age must be non-negative, ignoring\n");
}
else
{
swfAge = num;
}
}
break;
#endif
case 'k':
nSkipKeyFrames = atoi(optarg);
if (nSkipKeyFrames < 0)
{
RTMP_Log(RTMP_LOGERROR,
"Number of keyframes skipped must be greater or equal zero, using zero!");
nSkipKeyFrames = 0;
}
else
{
RTMP_Log(RTMP_LOGDEBUG, "Number of skipped key frames for resume: %d",
nSkipKeyFrames);
}
break;
case 'b':
{
int32_t bt = atol(optarg);
if (bt < 0)
{
RTMP_Log(RTMP_LOGERROR,
"Buffer time must be greater than zero, ignoring the specified value %d!",
bt);
}
else
{
bufferTime = bt;
bOverrideBufferTime = TRUE;
}
break;
}
case 'v':
bLiveStream = TRUE; // no seeking or resuming possible!
break;
case 'd':
STR2AVAL(subscribepath, optarg);
break;
case 'n':
STR2AVAL(hostname, optarg);
break;
case 'c':
port = atoi(optarg);
break;
case 'l':
protocol = atoi(optarg);
if (protocol < RTMP_PROTOCOL_RTMP || protocol > RTMP_PROTOCOL_RTMPTS)
{
RTMP_Log(RTMP_LOGERROR, "Unknown protocol specified: %d", protocol);
return RD_FAILED;
}
break;
case 'y':
STR2AVAL(playpath, optarg);
break;
case 'Y':
RTMP_SetOpt(&rtmp, &av_playlist, (AVal *)&av_true);
break;
case 'r'://xjzhang,根据地址获取协议，主机，端口，播放路径等参数；
{
AVal parsedHost, parsedApp, parsedPlaypath;
unsigned int parsedPort = 0;
int parsedProtocol = RTMP_PROTOCOL_UNDEFINED;
if (!RTMP_ParseURL
(optarg, &parsedProtocol, &parsedHost, &parsedPort,
&parsedPlaypath, &parsedApp))
{
RTMP_Log(RTMP_LOGWARNING, "Couldn't parse the specified url (%s)!",
optarg);
}
else
{
if (!hostname.av_len)
hostname = parsedHost;
if (port == -1)
port = parsedPort;
if (playpath.av_len == 0 && parsedPlaypath.av_len)
{
playpath = parsedPlaypath;
}
if (protocol == RTMP_PROTOCOL_UNDEFINED)
protocol = parsedProtocol;
if (app.av_len == 0 && parsedApp.av_len)
{
app = parsedApp;
}
}
break;
}
case 's':
STR2AVAL(swfUrl, optarg);
break;
case 't':
STR2AVAL(tcUrl, optarg);
break;
case 'p':
STR2AVAL(pageUrl, optarg);
break;
case 'a':
STR2AVAL(app, optarg);
break;
case 'f':
STR2AVAL(flashVer, optarg);
break;
case 'o': //xjzhang, 指定要输出的flv文件；
flvFile = optarg;
if (strcmp(flvFile, "-"))
bStdoutMode = FALSE;
break;
case 'e':
bResume = TRUE;
break;
case 'u':
STR2AVAL(auth, optarg);
break;
case 'C':
{
AVal av;
STR2AVAL(av, optarg);
if (!RTMP_SetOpt(&rtmp, &av_conn, &av))
{
RTMP_Log(RTMP_LOGERROR, "Invalid AMF parameter: %s", optarg);
return RD_FAILED;
}
}
break;
case 'm':
timeout = atoi(optarg);
break;
case 'A':
dStartOffset = (int) (atof(optarg) * 1000.0);
break;
case 'B':
dStopOffset = (int) (atof(optarg) * 1000.0);
break;
case 'T':
{
AVal token;
STR2AVAL(token, optarg);
RTMP_SetOpt(&rtmp, &av_token, &token);
}
break;
case '#':
bHashes = TRUE;
break;
case 'q':
RTMP_debuglevel = RTMP_LOGCRIT;
break;
case 'V':
RTMP_debuglevel = RTMP_LOGDEBUG;
break;
case 'z':
RTMP_debuglevel = RTMP_LOGALL;
break;
case 'S':
STR2AVAL(sockshost, optarg);
break;
default:
RTMP_LogPrintf("unknown option: %c\n", opt);
usage(argv[0]);
return RD_FAILED;
break;
}
}
//xjzhang，对选项进行合理性检查；
if (!hostname.av_len)
{
RTMP_Log(RTMP_LOGERROR,
"You must specify a hostname (--host) or url (-r \"rtmp://host[:port]/playpath\") containing a hostname");
return RD_FAILED;
}
if (playpath.av_len == 0)
{
RTMP_Log(RTMP_LOGERROR,
"You must specify a playpath (--playpath) or url (-r \"rtmp://host[:port]/playpath\") containing a playpath");
return RD_FAILED;
}
if (protocol == RTMP_PROTOCOL_UNDEFINED)
{
RTMP_Log(RTMP_LOGWARNING,
"You haven't specified a protocol (--protocol) or rtmp url (-r), using default protocol RTMP");
protocol = RTMP_PROTOCOL_RTMP;
}
if (port == -1)
{
RTMP_Log(RTMP_LOGWARNING,
"You haven't specified a port (--port) or rtmp url (-r), using default port 1935");
port = 0;
}
if (port == 0)
{
if (protocol & RTMP_FEATURE_SSL)
port = 443;
else if (protocol & RTMP_FEATURE_HTTP)
port = 80;
else
port = 1935;
}
if (flvFile == 0)
{
RTMP_Log(RTMP_LOGWARNING,
"You haven't specified an output file (-o filename), using stdout");
bStdoutMode = TRUE;
}
if (bStdoutMode && bResume)
{
RTMP_Log(RTMP_LOGWARNING,
"Can't resume in stdout mode, ignoring --resume option");
bResume = FALSE;
}
if (bLiveStream && bResume)
{
RTMP_Log(RTMP_LOGWARNING, "Can't resume live stream, ignoring --resume option");
bResume = FALSE;
}
#ifdef CRYPTO
if (swfVfy)
{
if (RTMP_HashSWF(swfUrl.av_val, (unsigned int *)&swfSize, hash, swfAge) == 0)
{
swfHash.av_val = (char *)hash;
swfHash.av_len = RTMP_SWF_HASHLEN;
}
}
if (swfHash.av_len == 0 && swfSize > 0)
{
RTMP_Log(RTMP_LOGWARNING,
"Ignoring SWF size, supply also the hash with --swfhash");
swfSize = 0;
}
if (swfHash.av_len != 0 && swfSize == 0)
{
RTMP_Log(RTMP_LOGWARNING,
"Ignoring SWF hash, supply also the swf size with --swfsize");
swfHash.av_len = 0;
swfHash.av_val = NULL;
}
#endif
if (tcUrl.av_len == 0)
{
char str[512] = { 0 };
tcUrl.av_len = snprintf(str, 511, "%s://%.*s:%d/%.*s",
RTMPProtocolStringsLower[protocol], hostname.av_len,
hostname.av_val, port, app.av_len, app.av_val);
tcUrl.av_val = (char *) malloc(tcUrl.av_len + 1);
strcpy(tcUrl.av_val, str);
}
int first = 1;
// User defined seek offset
if (dStartOffset > 0)
{
// Live stream
if (bLiveStream)
{
RTMP_Log(RTMP_LOGWARNING,
"Can't seek in a live stream, ignoring --start option");
dStartOffset = 0;
}
}
//xjzhang,将获取到的参数(协议，主机，端口，代理，播放路径等)传递给LibRTMP，对stream进行设置；
RTMP_SetupStream(&rtmp, protocol, &hostname, port, &sockshost, &playpath,
&tcUrl, &swfUrl, &pageUrl, &app, &auth, &swfHash, swfSize,
&flashVer, &subscribepath, dSeek, dStopOffset, bLiveStream, timeout);
/* Try to keep the stream moving if it pauses on us */
if (!bLiveStream && !(protocol & RTMP_FEATURE_HTTP))
rtmp.Link.lFlags |= RTMP_LF_BUFX;
off_t size = 0;
//xjzhang, resume 参数对直播流无效，所以对直播流bResume为false；
// ok, we have to get the timestamp of the last keyframe (only keyframes are seekable) / last audio frame (audio only streams)
if (bResume)
{
nStatus =
OpenResumeFile(flvFile, &file, &size, &metaHeader, &nMetaHeaderSize,
&duration);
if (nStatus == RD_FAILED)
goto clean;
if (!file)
{
// file does not exist, so go back into normal mode
bResume = FALSE; // we are back in fresh file mode (otherwise finalizing file won't be done)
}
else
{
nStatus = GetLastKeyframe(file, nSkipKeyFrames,
&dSeek, &initialFrame,
&initialFrameType, &nInitialFrameSize);
if (nStatus == RD_FAILED)
{
RTMP_Log(RTMP_LOGDEBUG, "Failed to get last keyframe.");
goto clean;
}
if (dSeek == 0)
{
RTMP_Log(RTMP_LOGDEBUG,
"Last keyframe is first frame in stream, switching from resume to normal mode!");
bResume = FALSE;
}
}
}
if (!file)
{
if (bStdoutMode)
{
file = stdout;
SET_BINMODE(file);
}
else
{
//xjzhang，打开指定的输出文件；
file = fopen(flvFile, "w+b");
if (file == 0)
{
RTMP_LogPrintf("Failed to open file! %s\n", flvFile);
return RD_FAILED;
}
}
}
#ifdef _DEBUG
netstackdump = fopen("netstackdump", "wb");
netstackdump_read = fopen("netstackdump_read", "wb");
#endif
//xjzhnag,进入download的循环中；
while (!RTMP_ctrlC)
{
RTMP_Log(RTMP_LOGDEBUG, "Setting buffer time to: %dms", bufferTime);
RTMP_SetBufferMS(&rtmp, bufferTime);
//xjzhang,第一次进入该循环中需要先建立stream连接；
if (first)
{
first = 0;
RTMP_LogPrintf("Connecting ...\n");
//xjzhang,根据之前设置的连接参数建立连接；
if (!RTMP_Connect(&rtmp, NULL))
{
nStatus = RD_FAILED;
break;
}
RTMP_Log(RTMP_LOGINFO, "Connected...");
//xjzhang，根据参数设置下载起点，对直播流忽略此设置；
// User defined seek offset
if (dStartOffset > 0)
{
// Don't need the start offset if resuming an existing file
if (bResume)
{
RTMP_Log(RTMP_LOGWARNING,
"Can't seek a resumed stream, ignoring --start option");
dStartOffset = 0;
}
else
{
dSeek = dStartOffset;
}
}
//xjzhang，根据参数设置下载终点，对直播流忽略此设置；
// Calculate the length of the stream to still play
if (dStopOffset > 0)
{
// Quit if start seek is past required stop offset
if (dStopOffset <= dSeek)
{
RTMP_LogPrintf("Already Completed\n");
nStatus = RD_SUCCESS;
break;
}
}
//xjzhang, 已经发出connet命令，从网络收取server发来的chunk消息，等待server回应”play start“
if (!RTMP_ConnectStream(&rtmp, dSeek))
{
nStatus = RD_FAILED;
break;
}
}
else
{
nInitialFrameSize = 0;
if (retries)
{
RTMP_Log(RTMP_LOGERROR, "Failed to resume the stream\n\n");
if (!RTMP_IsTimedout(&rtmp))
nStatus = RD_FAILED;
else
nStatus = RD_INCOMPLETE;
break;
}
RTMP_Log(RTMP_LOGINFO, "Connection timed out, trying to resume.\n\n");
/* Did we already try pausing, and it still didn't work? */
if (rtmp.m_pausing == 3)
{
/* Only one try at reconnecting... */
retries = 1;
dSeek = rtmp.m_pauseStamp;
if (dStopOffset > 0)
{
if (dStopOffset <= dSeek)
{
RTMP_LogPrintf("Already Completed\n");
nStatus = RD_SUCCESS;
break;
}
}
if (!RTMP_ReconnectStream(&rtmp, dSeek))
{
RTMP_Log(RTMP_LOGERROR, "Failed to resume the stream\n\n");
if (!RTMP_IsTimedout(&rtmp))
nStatus = RD_FAILED;
else
nStatus = RD_INCOMPLETE;
break;
}
}
else if (!RTMP_ToggleStream(&rtmp))
{
RTMP_Log(RTMP_LOGERROR, "Failed to resume the stream\n\n");
if (!RTMP_IsTimedout(&rtmp))
nStatus = RD_FAILED;
else
nStatus = RD_INCOMPLETE;
break;
}
bResume = TRUE;
}
//xjzhang, 协商连接过程都已完成，对端开始发流，本端开始dump；
nStatus = Download(&rtmp, file, dSeek, dStopOffset, duration, bResume,
metaHeader, nMetaHeaderSize, initialFrame,
initialFrameType, nInitialFrameSize,
nSkipKeyFrames, bStdoutMode, bLiveStream, bHashes,
bOverrideBufferTime, bufferTime, &percent);
free(initialFrame);
initialFrame = NULL;
/* If we succeeded, we're done.
*/
if (nStatus != RD_INCOMPLETE || !RTMP_IsTimedout(&rtmp) || bLiveStream)
break;
}//xjzhang, break while{};
if (nStatus == RD_SUCCESS)
{
RTMP_LogPrintf("Download complete\n");
}
else if (nStatus == RD_INCOMPLETE)
{
RTMP_LogPrintf
("Download may be incomplete (downloaded about %.2f%%), try resuming\n",
percent);
}
clean:
//xjzhang, 关闭RTMP连接，关闭输出文件；
RTMP_Log(RTMP_LOGDEBUG, "Closing connection.\n");
RTMP_Close(&rtmp);
if (file != 0)
fclose(file);
//xjzhang, 只对Window平台，调用WSACleanup()清理socket；
CleanupSockets();
#ifdef _DEBUG
if (netstackdump != 0)
fclose(netstackdump);
if (netstackdump_read != 0)
fclose(netstackdump_read);
#endif
return nStatus;
}
//Publish using RTMP_Write()
int publish_using_write(){
uint32_t start_time=0;
uint32_t now_time=0;
uint32_t pre_frame_time=0;
uint32_t lasttime=0;
int bNextIsKey=0;
char* pFileBuf=NULL;
//read from tag header
uint32_t type=0;
uint32_t datalength=0;
uint32_t timestamp=0;
RTMP *rtmp=NULL;
FILE*fp=NULL;
fp=fopen("cuc_ieschool.flv","rb");
if (!fp){
RTMP_LogPrintf("Open File Error.\n");
CleanupSockets();
return -1;
}
/* set log level */
//RTMP_LogLevel loglvl=RTMP_LOGDEBUG;
//RTMP_LogSetLevel(loglvl);
if (!InitSockets()){
RTMP_LogPrintf("Init Socket Err\n");
return -1;
}
rtmp=RTMP_Alloc();
RTMP_Init(rtmp);
//set connection timeout,default 30s
rtmp->Link.timeout=5;
if(!RTMP_SetupURL(rtmp,"rtmp://localhost/publishlive/livestream"))
{
RTMP_Log(RTMP_LOGERROR,"SetupURL Err\n");
RTMP_Free(rtmp);
CleanupSockets();
return -1;
}
RTMP_EnableWrite(rtmp);
//1hour
RTMP_SetBufferMS(rtmp, 3600*1000);
if (!RTMP_Connect(rtmp,NULL)){
RTMP_Log(RTMP_LOGERROR,"Connect Err\n");
RTMP_Free(rtmp);
CleanupSockets();
return -1;
}
if (!RTMP_ConnectStream(rtmp,0)){
RTMP_Log(RTMP_LOGERROR,"ConnectStream Err\n");
RTMP_Close(rtmp);
RTMP_Free(rtmp);
CleanupSockets();
return -1;
}
printf("Start to send data ...\n");
//jump over FLV Header
fseek(fp,9,SEEK_SET);
//jump over previousTagSizen
fseek(fp,4,SEEK_CUR);
start_time=RTMP_GetTime();
while(1)
{
if((((now_time=RTMP_GetTime())-start_time)
<(pre_frame_time)) && bNextIsKey){
//wait for 1 sec if the send process is too fast
//this mechanism is not very good,need some improvement
if(pre_frame_time>lasttime){
RTMP_LogPrintf("TimeStamp:%8lu ms\n",pre_frame_time);
lasttime=pre_frame_time;
}
sleep(1);
continue;
}
//jump over type
fseek(fp,1,SEEK_CUR);
if(!ReadU24(&datalength,fp))
break;
if(!ReadTime(×tamp,fp))
break;
//jump back
fseek(fp,-8,SEEK_CUR);
pFileBuf=(char*)malloc(11+datalength+4);
memset(pFileBuf,0,11+datalength+4);
if(fread(pFileBuf,1,11+datalength+4,fp)!=(11+datalength+4))
break;
pre_frame_time=timestamp;
if (!RTMP_IsConnected(rtmp)){
RTMP_Log(RTMP_LOGERROR,"rtmp is not connect\n");
break;
}
if (!RTMP_Write(rtmp,pFileBuf,11+datalength+4)){
RTMP_Log(RTMP_LOGERROR,"Rtmp Write Error\n");
break;
}
free(pFileBuf);
pFileBuf=NULL;
if(!PeekU8(&type,fp))
break;
if(type==0x09){
if(fseek(fp,11,SEEK_CUR)!=0)
break;
if(!PeekU8(&type,fp)){
break;
}
if(type==0x17)
bNextIsKey=1;
else
bNextIsKey=0;
fseek(fp,-11,SEEK_CUR);
}
}
RTMP_LogPrintf("\nSend Data Over\n");
if(fp)
fclose(fp);
if (rtmp!=NULL){
RTMP_Close(rtmp);
RTMP_Free(rtmp);
rtmp=NULL;
}
if(pFileBuf){
free(pFileBuf);
pFileBuf=NULL;
}
CleanupSockets();
return 0;
}