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/* RTMPDump
* Copyright (C) 2009 Andrej Stepanchuk
* Copyright (C) 2009 Howard Chu
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RTMPDump; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#define _FILE_OFFSET_BITS 64
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <signal.h> // to catch Ctrl-C
#include <getopt.h>
#include "librtmp/rtmp_sys.h"
#include "librtmp/log.h"
#ifdef WIN32
#define fseeko fseeko64
#define ftello ftello64
#include <io.h>
#include <fcntl.h>
#define SET_BINMODE(f) setmode(fileno(f), O_BINARY)
#else
#define SET_BINMODE(f)
#endif
#define RD_SUCCESS 0
#define RD_FAILED 1
#define RD_INCOMPLETE 2
#define RD_NO_CONNECT 3
#define DEF_TIMEOUT 30 /* seconds */
#define DEF_BUFTIME (10 * 60 * 60 * 1000) /* 10 hours default */
#define DEF_SKIPFRM 0
// starts sockets
int
InitSockets()
{
#ifdef WIN32
WORD version;
WSADATA wsaData;
version = MAKEWORD(1, 1);
return (WSAStartup(version, &wsaData) == 0);
#else
return TRUE;
#endif
}
inline void
CleanupSockets()
{
#ifdef WIN32
WSACleanup();
#endif
}
#ifdef _DEBUG
uint32_t debugTS = 0;
int pnum = 0;
FILE *netstackdump = 0;
FILE *netstackdump_read = 0;
#endif
uint32_t nIgnoredFlvFrameCounter = 0;
uint32_t nIgnoredFrameCounter = 0;
#define MAX_IGNORED_FRAMES 50
FILE *file = 0;
void
sigIntHandler(int sig)
{
RTMP_ctrlC = TRUE;
RTMP_LogPrintf("Caught signal: %d, cleaning up, just a second...\n", sig);
// ignore all these signals now and let the connection close
signal(SIGINT, SIG_IGN);
signal(SIGTERM, SIG_IGN);
#ifndef WIN32
signal(SIGHUP, SIG_IGN);
signal(SIGPIPE, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
#endif
}
#define HEX2BIN(a) (((a)&0x40)?((a)&0xf)+9:((a)&0xf))
int hex2bin(char *str, char **hex)
{
char *ptr;
int i, l = strlen(str);
if (l & 1)
return 0;
*hex = malloc(l/2);
ptr = *hex;
if (!ptr)
return 0;
for (i=0; i<l; i+=2)
*ptr++ = (HEX2BIN(str[i]) << 4) | HEX2BIN(str[i+1]);
return l/2;
}
static const AVal av_onMetaData = AVC("onMetaData");
static const AVal av_duration = AVC("duration");
static const AVal av_conn = AVC("conn");
static const AVal av_token = AVC("token");
static const AVal av_playlist = AVC("playlist");
static const AVal av_true = AVC("true");
int
OpenResumeFile(const char *flvFile, // file name [in]
FILE ** file, // opened file [out]
off_t * size, // size of the file [out]
char **metaHeader, // meta data read from the file [out]
uint32_t * nMetaHeaderSize, // length of metaHeader [out]
double *duration) // duration of the stream in ms [out]
{
size_t bufferSize = 0;
char hbuf[16], *buffer = NULL;
*nMetaHeaderSize = 0;
*size = 0;
*file = fopen(flvFile, "r+b");
if (!*file)
return RD_SUCCESS; // RD_SUCCESS, because we go to fresh file mode instead of quiting
fseek(*file, 0, SEEK_END);
*size = ftello(*file);
fseek(*file, 0, SEEK_SET);
if (*size > 0)
{
// verify FLV format and read header
uint32_t prevTagSize = 0;
// check we've got a valid FLV file to continue!
if (fread(hbuf, 1, 13, *file) != 13)
{
RTMP_Log(RTMP_LOGERROR, "Couldn't read FLV file header!");
return RD_FAILED;
}
if (hbuf[0] != 'F' || hbuf[1] != 'L' || hbuf[2] != 'V'
|| hbuf[3] != 0x01)
{
RTMP_Log(RTMP_LOGERROR, "Invalid FLV file!");
return RD_FAILED;
}
if ((hbuf[4] & 0x05) == 0)
{
RTMP_Log(RTMP_LOGERROR,
"FLV file contains neither video nor audio, aborting!");
return RD_FAILED;
}
uint32_t dataOffset = AMF_DecodeInt32(hbuf + 5);
fseek(*file, dataOffset, SEEK_SET);
if (fread(hbuf, 1, 4, *file) != 4)
{
RTMP_Log(RTMP_LOGERROR, "Invalid FLV file: missing first prevTagSize!");
return RD_FAILED;
}
prevTagSize = AMF_DecodeInt32(hbuf);
if (prevTagSize != 0)
{
RTMP_Log(RTMP_LOGWARNING,
"First prevTagSize is not zero: prevTagSize = 0x%08X",
prevTagSize);
}
// go through the file to find the meta data!
off_t pos = dataOffset + 4;
int bFoundMetaHeader = FALSE;
while (pos < *size - 4 && !bFoundMetaHeader)
{
fseeko(*file, pos, SEEK_SET);
if (fread(hbuf, 1, 4, *file) != 4)
break;
uint32_t dataSize = AMF_DecodeInt24(hbuf + 1);
if (hbuf[0] == 0x12)
{
if (dataSize > bufferSize)
{
/* round up to next page boundary */
bufferSize = dataSize + 4095;
bufferSize ^= (bufferSize & 4095);
free(buffer);
buffer = malloc(bufferSize);
if (!buffer)
return RD_FAILED;
}
fseeko(*file, pos + 11, SEEK_SET);
if (fread(buffer, 1, dataSize, *file) != dataSize)
break;
AMFObject metaObj;
int nRes = AMF_Decode(&metaObj, buffer, dataSize, FALSE);
if (nRes < 0)
{
RTMP_Log(RTMP_LOGERROR, "%s, error decoding meta data packet",
__FUNCTION__);
break;
}
AVal metastring;
AMFProp_GetString(AMF_GetProp(&metaObj, NULL, 0), &metastring);
if (AVMATCH(&metastring, &av_onMetaData))
{
AMF_Dump(&metaObj);
*nMetaHeaderSize = dataSize;
if (*metaHeader)
free(*metaHeader);
*metaHeader = (char *) malloc(*nMetaHeaderSize);
memcpy(*metaHeader, buffer, *nMetaHeaderSize);
// get duration
AMFObjectProperty prop;
if (RTMP_FindFirstMatchingProperty
(&metaObj, &av_duration, &prop))
{
*duration = AMFProp_GetNumber(&prop);
RTMP_Log(RTMP_LOGDEBUG, "File has duration: %f", *duration);
}
bFoundMetaHeader = TRUE;
break;
}
//metaObj.Reset();
//delete obj;
}
pos += (dataSize + 11 + 4);
}
free(buffer);
if (!bFoundMetaHeader)
RTMP_Log(RTMP_LOGWARNING, "Couldn't locate meta data!");
}
return RD_SUCCESS;
}
int
GetLastKeyframe(FILE * file, // output file [in]
int nSkipKeyFrames, // max number of frames to skip when searching for key frame [in]
uint32_t * dSeek, // offset of the last key frame [out]
char **initialFrame, // content of the last keyframe [out]
int *initialFrameType, // initial frame type (audio/video) [out]
uint32_t * nInitialFrameSize) // length of initialFrame [out]
{
const size_t bufferSize = 16;
char buffer[bufferSize];
uint8_t dataType;
int bAudioOnly;
off_t size;
fseek(file, 0, SEEK_END);
size = ftello(file);
fseek(file, 4, SEEK_SET);
if (fread(&dataType, sizeof(uint8_t), 1, file) != 1)
return RD_FAILED;
bAudioOnly = (dataType & 0x4) && !(dataType & 0x1);
RTMP_Log(RTMP_LOGDEBUG, "bAudioOnly: %d, size: %llu", bAudioOnly,
(unsigned long long) size);
// ok, we have to get the timestamp of the last keyframe (only keyframes are seekable) / last audio frame (audio only streams)
//if(!bAudioOnly) // we have to handle video/video+audio different since we have non-seekable frames
//{
// find the last seekable frame
off_t tsize = 0;
uint32_t prevTagSize = 0;
// go through the file and find the last video keyframe
do
{
int xread;
skipkeyframe:
if (size - tsize < 13)
{
RTMP_Log(RTMP_LOGERROR,
"Unexpected start of file, error in tag sizes, couldn't arrive at prevTagSize=0");
return RD_FAILED;
}
fseeko(file, size - tsize - 4, SEEK_SET);
xread = fread(buffer, 1, 4, file);
if (xread != 4)
{
RTMP_Log(RTMP_LOGERROR, "Couldn't read prevTagSize from file!");
return RD_FAILED;
}
prevTagSize = AMF_DecodeInt32(buffer);
//RTMP_Log(RTMP_LOGDEBUG, "Last packet: prevTagSize: %d", prevTagSize);
if (prevTagSize == 0)
{
RTMP_Log(RTMP_LOGERROR, "Couldn't find keyframe to resume from!");
return RD_FAILED;
}
if (prevTagSize < 0 || prevTagSize > size - 4 - 13)
{
RTMP_Log(RTMP_LOGERROR,
"Last tag size must be greater/equal zero (prevTagSize=%d) and smaller then filesize, corrupt file!",
prevTagSize);
return RD_FAILED;
}
tsize += prevTagSize + 4;
// read header
fseeko(file, size - tsize, SEEK_SET);
if (fread(buffer, 1, 12, file) != 12)
{
RTMP_Log(RTMP_LOGERROR, "Couldn't read header!");
return RD_FAILED;
}
//*
#ifdef _DEBUG
uint32_t ts = AMF_DecodeInt24(buffer + 4);
ts |= (buffer[7] << 24);
RTMP_Log(RTMP_LOGDEBUG, "%02X: TS: %d ms", buffer[0], ts);
#endif //*/
// this just continues the loop whenever the number of skipped frames is > 0,
// so we look for the next keyframe to continue with
//
// this helps if resuming from the last keyframe fails and one doesn't want to start
// the download from the beginning
//
if (nSkipKeyFrames > 0
&& !(!bAudioOnly
&& (buffer[0] != 0x09 || (buffer[11] & 0xf0) != 0x10)))
{
#ifdef _DEBUG
RTMP_Log(RTMP_LOGDEBUG,
"xxxxxxxxxxxxxxxxxxxxxxxx Well, lets go one more back!");
#endif
nSkipKeyFrames--;
goto skipkeyframe;
}
}
while ((bAudioOnly && buffer[0] != 0x08) || (!bAudioOnly && (buffer[0] != 0x09 || (buffer[11] & 0xf0) != 0x10))); // as long as we don't have a keyframe / last audio frame
// save keyframe to compare/find position in stream
*initialFrameType = buffer[0];
*nInitialFrameSize = prevTagSize - 11;
*initialFrame = (char *) malloc(*nInitialFrameSize);
fseeko(file, size - tsize + 11, SEEK_SET);
if (fread(*initialFrame, 1, *nInitialFrameSize, file) != *nInitialFrameSize)
{
RTMP_Log(RTMP_LOGERROR, "Couldn't read last keyframe, aborting!");
return RD_FAILED;
}
*dSeek = AMF_DecodeInt24(buffer + 4); // set seek position to keyframe tmestamp
*dSeek |= (buffer[7] << 24);
//}
//else // handle audio only, we can seek anywhere we'd like
//{
//}
if (*dSeek < 0)
{
RTMP_Log(RTMP_LOGERROR,
"Last keyframe timestamp is negative, aborting, your file is corrupt!");
return RD_FAILED;
}
RTMP_Log(RTMP_LOGDEBUG, "Last keyframe found at: %d ms, size: %d, type: %02X", *dSeek,
*nInitialFrameSize, *initialFrameType);
/*
// now read the timestamp of the frame before the seekable keyframe:
fseeko(file, size-tsize-4, SEEK_SET);
if(fread(buffer, 1, 4, file) != 4) {
RTMP_Log(RTMP_LOGERROR, "Couldn't read prevTagSize from file!");
goto start;
}
uint32_t prevTagSize = RTMP_LIB::AMF_DecodeInt32(buffer);
fseeko(file, size-tsize-4-prevTagSize+4, SEEK_SET);
if(fread(buffer, 1, 4, file) != 4) {
RTMP_Log(RTMP_LOGERROR, "Couldn't read previous timestamp!");
goto start;
}
uint32_t timestamp = RTMP_LIB::AMF_DecodeInt24(buffer);
timestamp |= (buffer[3]<<24);
RTMP_Log(RTMP_LOGDEBUG, "Previous timestamp: %d ms", timestamp);
*/
if (*dSeek != 0)
{
// seek to position after keyframe in our file (we will ignore the keyframes resent by the server
// since they are sent a couple of times and handling this would be a mess)
fseeko(file, size - tsize + prevTagSize + 4, SEEK_SET);
// make sure the WriteStream doesn't write headers and ignores all the 0ms TS packets
// (including several meta data headers and the keyframe we seeked to)
//bNoHeader = TRUE; if bResume==true this is true anyway
}
//}
return RD_SUCCESS;
}
int
Download(RTMP * rtmp, // connected RTMP object
FILE * file, uint32_t dSeek, uint32_t dStopOffset, double duration, int bResume, 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",
bResume ? "Resuming" : "Starting",
(double) size / 1024.0, (double) rtmp->m_read.timestamp / 1000.0,
*percent);
}
}
else
{
RTMP_LogPrintf("%s download at: %.3f kB\n",
bResume ? "Resuming" : "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);
if (bResume && nInitialFrameSize > 0)
rtmp->m_read.flags |= RTMP_READ_RESUME;
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 (bResume && nRead == -2)
{
RTMP_LogPrintf("Couldn't resume FLV file, try --skip %d\n\n",
nSkipKeyFrames + 1);
return RD_FAILED;
}
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;
}
#define STR2AVAL(av,str) av.av_val = str; av.av_len = strlen(av.av_val)
void usage(char *prog)
{
RTMP_LogPrintf
("\n%s: This program dumps the media content streamed over RTMP.\n\n", prog);
RTMP_LogPrintf("--help|-h Prints this help screen.\n");
RTMP_LogPrintf
("--url|-i url URL with options included (e.g. rtmp://host[:port]/path swfUrl=url tcUrl=url)\n");
RTMP_LogPrintf
("--rtmp|-r url URL (e.g. rtmp://host[:port]/path)\n");
RTMP_LogPrintf
("--host|-n hostname Overrides the hostname in the rtmp url\n");
RTMP_LogPrintf
("--port|-c port Overrides the port in the rtmp url\n");
RTMP_LogPrintf
("--socks|-S host:port Use the specified SOCKS proxy\n");
RTMP_LogPrintf
("--protocol|-l num Overrides the protocol in the rtmp url (0 - RTMP, 2 - RTMPE)\n");
RTMP_LogPrintf
("--playpath|-y path Overrides the playpath parsed from rtmp url\n");
RTMP_LogPrintf
("--playlist|-Y Set playlist before playing\n");
RTMP_LogPrintf("--swfUrl|-s url URL to player swf file\n");
RTMP_LogPrintf
("--tcUrl|-t url URL to played stream (default: \"rtmp://host[:port]/app\")\n");
RTMP_LogPrintf("--pageUrl|-p url Web URL of played programme\n");
RTMP_LogPrintf("--app|-a app Name of target app on server\n");
#ifdef CRYPTO
RTMP_LogPrintf
("--swfhash|-w hexstring SHA256 hash of the decompressed SWF file (32 bytes)\n");
RTMP_LogPrintf
("--swfsize|-x num Size of the decompressed SWF file, required for SWFVerification\n");
RTMP_LogPrintf
("--swfVfy|-W url URL to player swf file, compute hash/size automatically\n");
RTMP_LogPrintf
("--swfAge|-X days Number of days to use cached SWF hash before refreshing\n");
#endif
RTMP_LogPrintf
("--auth|-u string Authentication string to be appended to the connect string\n");
RTMP_LogPrintf
("--conn|-C type:data Arbitrary AMF data to be appended to the connect string\n");
RTMP_LogPrintf
(" B:boolean(0|1), S:string, N:number, O:object-flag(0|1),\n");
RTMP_LogPrintf
(" Z:(null), NB:name:boolean, NS:name:string, NN:name:number\n");
RTMP_LogPrintf
("--flashVer|-f string Flash version string (default: \"%s\")\n",
RTMP_DefaultFlashVer.av_val);
RTMP_LogPrintf
("--live|-v Save a live stream, no --resume (seeking) of live streams possible\n");
RTMP_LogPrintf
("--subscribe|-d string Stream name to subscribe to (otherwise defaults to playpath if live is specifed)\n");
RTMP_LogPrintf
("--realtime|-R Don't attempt to speed up download via the Pause/Unpause BUFX hack\n");
RTMP_LogPrintf
("--flv|-o string FLV output file name, if the file name is - print stream to stdout\n");
RTMP_LogPrintf
("--resume|-e Resume a partial RTMP download\n");
RTMP_LogPrintf
("--timeout|-m num Timeout connection num seconds (default: %u)\n",
DEF_TIMEOUT);
RTMP_LogPrintf
("--start|-A num Start at num seconds into stream (not valid when using --live)\n");
RTMP_LogPrintf
("--stop|-B num Stop at num seconds into stream\n");
RTMP_LogPrintf
("--token|-T key Key for SecureToken response\n");
RTMP_LogPrintf
("--jtv|-j JSON Authentication token for Justin.tv legacy servers\n");
RTMP_LogPrintf
("--hashes|-# Display progress with hashes, not with the byte counter\n");
RTMP_LogPrintf
("--buffer|-b Buffer time in milliseconds (default: %u)\n",
DEF_BUFTIME);
RTMP_LogPrintf
("--skip|-k num Skip num keyframes when looking for last keyframe to resume from. Useful if resume fails (default: %d)\n\n",
DEF_SKIPFRM);
RTMP_LogPrintf
("--quiet|-q Suppresses all command output.\n");
RTMP_LogPrintf("--verbose|-V Verbose command output.\n");
RTMP_LogPrintf("--debug|-z Debug level command output.\n");
RTMP_LogPrintf
("If you don't pass parameters for swfUrl, pageUrl, or auth these properties will not be included in the connect ");
RTMP_LogPrintf("packet.\n\n");
}
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;
// 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 = FALSE; // 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 };
#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;
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++;
}
RTMP_LogPrintf("RTMPDump %s\n", RTMPDUMP_VERSION);
RTMP_LogPrintf
("(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL\n");
if (!InitSockets())
{
RTMP_Log(RTMP_LOGERROR,
"Couldn't load sockets support on your platform, exiting!");
return RD_FAILED;
}
/* sleep(30); */
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'},
{"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'},
#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'},
{"realtime", 0, NULL, 'R'},
{"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'},
{"jtv", 1, NULL, 'j'},
{0, 0, 0, 0}
};
while ((opt =
getopt_long(argc, argv,
"hVveqzRr: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;
#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 '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 '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;
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 (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, &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)
{
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
{
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;
off_t size = 0;
// 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
{
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
if (bResume)
{
RTMP_Log(RTMP_LOGWARNING,
"Can't seek a resumed stream, ignoring --start option");
dStartOffset = 0;
}
else
{
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;
}
bResume = TRUE;
}
nStatus = Download(&rtmp, file, dSeek, dStopOffset, duration, bResume,
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);
CleanupSockets();
#ifdef _DEBUG
if (netstackdump != 0)
fclose(netstackdump);
if (netstackdump_read != 0)
fclose(netstackdump_read);
#endif
return nStatus;
}
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