51 #define APP_MAX_LENGTH 128
52 #define PLAYPATH_MAX_LENGTH 256
53 #define TCURL_MAX_LENGTH 512
54 #define FLASHVER_MAX_LENGTH 64
55 #define RTMP_PKTDATA_DEFAULT_SIZE 4096
56 #define RTMP_HEADER 11
130 #define PLAYER_KEY_OPEN_PART_LEN 30
132 static const uint8_t rtmp_player_key[] = {
133 'G',
'e',
'n',
'u',
'i',
'n',
'e',
' ',
'A',
'd',
'o',
'b',
'e',
' ',
134 'F',
'l',
'a',
's',
'h',
' ',
'P',
'l',
'a',
'y',
'e',
'r',
' ',
'0',
'0',
'1',
136 0xF0, 0xEE, 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8, 0x2E, 0x00, 0xD0, 0xD1, 0x02,
137 0x9E, 0x7E, 0x57, 0x6E, 0xEC, 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB, 0x93, 0xB8,
138 0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE
141 #define SERVER_KEY_OPEN_PART_LEN 36
143 static const uint8_t rtmp_server_key[] = {
144 'G',
'e',
'n',
'u',
'i',
'n',
'e',
' ',
'A',
'd',
'o',
'b',
'e',
' ',
145 'F',
'l',
'a',
's',
'h',
' ',
'M',
'e',
'd',
'i',
'a',
' ',
146 'S',
'e',
'r',
'v',
'e',
'r',
' ',
'0',
'0',
'1',
148 0xF0, 0xEE, 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8, 0x2E, 0x00, 0xD0, 0xD1, 0x02,
149 0x9E, 0x7E, 0x57, 0x6E, 0xEC, 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB, 0x93, 0xB8,
150 0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE
184 char **tracked_method)
260 if (param[0] && param[1] ==
':') {
263 }
else if (param[0] ==
'N' && param[1] && param[2] ==
':') {
266 value = strchr(field,
':');
272 if (!field || !value)
370 char *param = rt->
conn;
373 while (param !=
NULL) {
375 param += strspn(param,
" ");
378 sep = strchr(param,
' ');
421 if (strcmp(command,
"connect")) {
432 "app", tmpstr,
sizeof(tmpstr));
435 if (!ret && strcmp(tmpstr, rt->
app))
458 bytestream_put_byte(&p, 2);
472 bytestream_put_be16(&p, 0);
473 bytestream_put_be32(&p, 0);
680 bytestream_put_be16(&p, 3);
774 if (ppkt->
size < 6) {
785 bytestream_put_be16(&p, 7);
806 bytestream_put_be16(&p, 27);
872 const char *subscribe)
879 0, 27 + strlen(subscribe))) < 0)
903 memcpy(hmac_buf, key, keylen);
909 for (i = 0; i < 64; i++)
922 for (i = 0; i < 64; i++)
936 int i, digest_pos = 0;
938 for (i = 0; i < 4; i++)
939 digest_pos += buf[i + off];
940 digest_pos = digest_pos % mod_val + add_val;
991 if (!memcmp(digest, buf + digest_pos, 32))
1004 "Hash of the decompressed SWF file is not 32 bytes long.\n");
1009 bytestream_put_byte(&p, 1);
1010 bytestream_put_byte(&p, 1);
1011 bytestream_put_be32(&p, rt->
swfsize);
1012 bytestream_put_be32(&p, rt->
swfsize);
1021 static int rtmp_uncompress_swfplayer(
uint8_t *in_data, int64_t in_size,
1022 uint8_t **out_data, int64_t *out_size)
1024 z_stream zs = { 0 };
1029 zs.avail_in = in_size;
1030 zs.next_in = in_data;
1031 ret = inflateInit(&zs);
1038 zs.avail_out =
sizeof(tmp_buf);
1039 zs.next_out = tmp_buf;
1041 ret = inflate(&zs, Z_NO_FLUSH);
1042 if (ret != Z_OK && ret != Z_STREAM_END) {
1047 size =
sizeof(tmp_buf) - zs.avail_out;
1048 if (!(ptr =
av_realloc(*out_data, *out_size + size))) {
1054 memcpy(*out_data + *out_size, tmp_buf, size);
1056 }
while (zs.avail_out == 0);
1068 int64_t in_size, out_size;
1099 if (!memcmp(in_data,
"CWS", 3)) {
1106 memcpy(out_data, in_data, 8);
1110 if ((ret = rtmp_uncompress_swfplayer(in_data + 8, in_size - 8,
1111 &out_data, &out_size)) < 0)
1115 "Zlib is required for decompressing the SWF player file.\n");
1128 "Genuine Adobe Flash Player 001", 30,
1163 int server_pos, client_pos;
1214 serverdata[5], serverdata[6], serverdata[7], serverdata[8]);
1216 if (rt->
is_input && serverdata[5] >= 3) {
1248 0, digest, 32, signature);
1256 tosend + 1, type)) < 0)
1278 tosend + RTMP_HANDSHAKE_PACKET_SIZE - 32);
1285 RTMP_HANDSHAKE_PACKET_SIZE - 32, digest,
1291 RTMP_HANDSHAKE_PACKET_SIZE)) < 0)
1304 tosend + 1, 1)) < 0)
1307 if (serverdata[0] == 9) {
1329 uint32_t *second_int,
char *arraydata,
1340 " not following standard\n", (
int)inoutsize);
1344 *first_int =
AV_RB32(arraydata);
1345 *second_int =
AV_RB32(arraydata + 4);
1350 uint32_t second_int,
char *arraydata,
int size)
1354 AV_WB32(arraydata, first_int);
1355 AV_WB32(arraydata + 4, second_int);
1373 uint32_t hs_my_epoch;
1383 if (inoutsize <= 0) {
1388 if (buffer[0] != 3) {
1394 "Unable to write answer - RTMP S0\n");
1406 hs_my_epoch = hs_epoch;
1432 if (temp != hs_my_epoch)
1434 "Erroneous C2 Message epoch does not match up with C1 epoch\n");
1435 if (memcmp(buffer + 8, hs_s1 + 8,
1438 "Erroneous C2 Message random does not match up\n");
1448 if (pkt->
size < 4) {
1450 "Too short chunk size change packet (%d)\n",
1481 if (pkt->
size < 2) {
1489 if ((ret =
gen_pong(s, rt, pkt)) < 0)
1491 }
else if (t == 26) {
1507 if (pkt->
size < 4) {
1509 "Client bandwidth report packet is less than 4 bytes long (%d)\n",
1531 if (pkt->
size < 4) {
1533 "Too short server bandwidth report packet (%d)\n",
1550 const char *opaque,
const char *challenge)
1578 "?authmod=%s&user=%s&challenge=%s&response=%s",
1579 "adobe", user, challenge2, hashstr);
1582 "&opaque=%s", opaque);
1591 char hashstr1[33], hashstr2[33];
1592 const char *realm =
"live";
1593 const char *method =
"publish";
1594 const char *qop =
"auth";
1595 const char *nc =
"00000001";
1611 hashstr1[32] =
'\0';
1617 if (!strchr(rt->
app,
'/'))
1621 hashstr2[32] =
'\0';
1640 "?authmod=%s&user=%s&nonce=%s&cnonce=%s&nc=%s&response=%s",
1641 "llnw", user, nonce, cnonce, nc, hashstr1);
1650 char buf[300], *ptr, authmod[15];
1652 const char *user =
"", *salt =
"", *opaque =
NULL,
1655 if (!(cptr = strstr(desc,
"authmod=adobe")) &&
1656 !(cptr = strstr(desc,
"authmod=llnw"))) {
1658 "Unknown connect error (unsupported authentication method?)\n");
1661 cptr += strlen(
"authmod=");
1662 while (*cptr && *cptr !=
' ' && i <
sizeof(authmod) - 1)
1663 authmod[i++] = *cptr++;
1671 if (strstr(desc,
"?reason=authfailed")) {
1674 }
else if (strstr(desc,
"?reason=nosuchuser")) {
1686 if (strstr(desc,
"code=403 need auth")) {
1688 "?authmod=%s&user=%s", authmod, rt->
username);
1692 if (!(cptr = strstr(desc,
"?reason=needauth"))) {
1701 char *next = strchr(ptr,
'&');
1702 char *value = strchr(ptr,
'=');
1707 if (!strcmp(ptr,
"user")) {
1709 }
else if (!strcmp(ptr,
"salt")) {
1711 }
else if (!strcmp(ptr,
"opaque")) {
1713 }
else if (!strcmp(ptr,
"challenge")) {
1715 }
else if (!strcmp(ptr,
"nonce")) {
1721 if (!strcmp(authmod,
"adobe")) {
1722 if ((ret =
do_adobe_auth(rt, user, salt, opaque, challenge)) < 0)
1737 char *tracked_method =
NULL;
1746 "description", tmpstr,
sizeof(tmpstr))) {
1747 if (tracked_method && (!strcmp(tracked_method,
"_checkbw") ||
1748 !strcmp(tracked_method,
"releaseStream") ||
1749 !strcmp(tracked_method,
"FCSubscribe") ||
1750 !strcmp(tracked_method,
"FCPublish"))) {
1754 }
else if (tracked_method && !strcmp(tracked_method,
"connect")) {
1762 av_log(s, level,
"Server error: %s\n", tmpstr);
1784 bytestream2_put_be16(&pbc, 0);
1796 const char *status,
const char *filename)
1800 char statusmsg[128];
1823 snprintf(statusmsg,
sizeof(statusmsg),
1824 "%s is now published", filename);
1868 if (!strcmp(command,
"FCPublish") ||
1869 !strcmp(command,
"publish")) {
1871 sizeof(filename), &stringlen);
1877 "Unable to find / in url %s, bad format\n",
1882 if (strcmp(pchar, filename))
1884 " %s\n", filename, pchar);
1889 if (!strcmp(command,
"FCPublish")) {
1898 }
else if (!strcmp(command,
"publish")) {
1906 }
else if (!strcmp(command,
"play")) {
1924 if (!strcmp(command,
"createStream")) {
1944 char *tracked_method =
NULL;
1950 if (!tracked_method) {
1955 if (!strcmp(tracked_method,
"connect")) {
1976 }
else if (rt->
live == -1) {
1981 }
else if (!strcmp(tracked_method,
"createStream")) {
1983 if (pkt->
data[10] || pkt->
data[19] != 5 || pkt->
data[20]) {
2013 for (i = 0; i < 2; i++) {
2021 if (!t && !strcmp(tmpstr,
"error")) {
2023 "description", tmpstr,
sizeof(tmpstr));
2024 if (t || !tmpstr[0])
2026 tmpstr,
sizeof(tmpstr));
2035 if (!t && !strcmp(tmpstr,
"NetStream.Play.UnpublishNotify")) rt->
state =
STATE_STOPPED;
2089 return old_flv_size;
2094 int old_flv_size, ret;
2097 const int size = pkt->
size - skip;
2108 bytestream2_put_byte(&pbc, pkt->
type);
2109 bytestream2_put_be24(&pbc, size);
2110 bytestream2_put_be24(&pbc, ts);
2111 bytestream2_put_byte(&pbc, ts >> 24);
2112 bytestream2_put_be24(&pbc, 0);
2114 bytestream2_put_be32(&pbc, 0);
2123 char statusmsg[128];
2124 int stringlen, ret, skip = 0;
2133 if (!strcmp(commandbuffer,
"@setDataFrame")) {
2136 sizeof(statusmsg), &stringlen);
2158 switch (pkt->
type) {
2160 av_dlog(s,
"received bytes read report\n");
2197 int ret, old_flv_size, type;
2201 uint32_t ts, cts, pts = 0;
2217 type = bytestream_get_byte(&next);
2218 size = bytestream_get_be24(&next);
2219 cts = bytestream_get_be24(&next);
2220 cts |= bytestream_get_byte(&next) << 24;
2225 if (size + 3 + 4 > pkt->
data + pkt->
size - next)
2227 bytestream_put_byte(&p, type);
2228 bytestream_put_be24(&p, size);
2229 bytestream_put_be24(&p, ts);
2230 bytestream_put_byte(&p, ts >> 24);
2231 memcpy(p, next, size + 3 + 4);
2232 next += size + 3 + 4;
2237 "RTMP_PT_METADATA packet\n");
2348 for (i = 0; i < 2; i++) {
2372 char proto[8], hostname[256], path[1024], auth[100], *fname;
2385 hostname,
sizeof(hostname), &port,
2388 if (strchr(path,
' ')) {
2390 "Detected librtmp style URL parameters, these aren't supported "
2391 "by the libavformat internal RTMP handler currently enabled. "
2392 "See the documentation for the correct way to pass parameters.\n");
2396 char *ptr = strchr(auth,
':');
2404 if (rt->
listen && strcmp(proto,
"rtmp")) {
2409 if (!strcmp(proto,
"rtmpt") || !strcmp(proto,
"rtmpts")) {
2410 if (!strcmp(proto,
"rtmpts"))
2415 }
else if (!strcmp(proto,
"rtmps")) {
2420 }
else if (!strcmp(proto,
"rtmpe") || (!strcmp(proto,
"rtmpte"))) {
2421 if (!strcmp(proto,
"rtmpte"))
2422 av_dict_set(&opts,
"ffrtmpcrypt_tunneling",
"1", 1);
2433 "?listen&listen_timeout=%d",
2471 if (!strncmp(path,
"/ondemand/", 10)) {
2473 memcpy(rt->
app,
"ondemand", 9);
2475 char *next = *path ? path + 1 : path;
2476 char *p = strchr(next,
'/');
2482 char *c = strchr(p + 1,
':');
2483 fname = strchr(p + 1,
'/');
2484 if (!fname || (c && c < fname)) {
2501 int len = strlen(fname);
2509 if (!strchr(fname,
':') && len >= 4 &&
2510 (!strcmp(fname + len - 4,
".f4v") ||
2511 !strcmp(fname + len - 4,
".mp4"))) {
2514 if (len >= 4 && !strcmp(fname + len - 4,
".flv"))
2515 fname[len - 4] =
'\0';
2528 port,
"/%s", rt->
app);
2564 }
while (ret ==
AVERROR(EAGAIN));
2574 for (i = 0; i < 2; i++)
2609 int orig_size =
size;
2615 if (data_left >= size) {
2620 if (data_left > 0) {
2639 "Seek on stream index %d at timestamp %"PRId64
" with flags %08x\n",
2640 stream_index, timestamp, flags);
2641 if ((ret =
gen_seek(s, rt, timestamp)) < 0) {
2643 "Unable to send seek command on stream index %d at timestamp "
2644 "%"PRId64
" with flags %08x\n",
2645 stream_index, timestamp, flags);
2656 int size_temp =
size;
2657 int pktsize, pkttype;
2659 const uint8_t *buf_temp = buf;
2682 pkttype = bytestream_get_byte(&header);
2683 pktsize = bytestream_get_be24(&header);
2684 ts = bytestream_get_be24(&header);
2685 ts |= bytestream_get_byte(&header) << 24;
2686 bytestream_get_be24(&header);
2706 pkttype, ts, pktsize)) < 0)
2736 }
while (buf_temp - buf < size);
2754 }
else if (ret < 0) {
2756 }
else if (ret == 1) {
2774 #define OFFSET(x) offsetof(RTMPContext, x)
2775 #define DEC AV_OPT_FLAG_DECODING_PARAM
2776 #define ENC AV_OPT_FLAG_ENCODING_PARAM
2780 {
"rtmp_buffer",
"Set buffer time in milliseconds. The default is 3000.",
OFFSET(client_buffer_time),
AV_OPT_TYPE_INT, {.i64 = 3000}, 0, INT_MAX,
DEC|
ENC},
2783 {
"rtmp_flush_interval",
"Number of packets flushed in the same request (RTMPT only).",
OFFSET(flush_interval),
AV_OPT_TYPE_INT, {.i64 = 10}, 0, INT_MAX,
ENC},
2784 {
"rtmp_live",
"Specify that the media is a live stream.",
OFFSET(live),
AV_OPT_TYPE_INT, {.i64 = -2}, INT_MIN, INT_MAX,
DEC,
"rtmp_live"},
2788 {
"rtmp_pageurl",
"URL of the web page in which the media was embedded. By default no value will be sent.",
OFFSET(pageurl),
AV_OPT_TYPE_STRING, {.str =
NULL }, 0, 0,
DEC},
2790 {
"rtmp_subscribe",
"Name of live stream to subscribe to. Defaults to rtmp_playpath.",
OFFSET(subscribe),
AV_OPT_TYPE_STRING, {.str =
NULL }, 0, 0,
DEC},
2792 {
"rtmp_swfsize",
"Size of the decompressed SWF file, required for SWFVerification.",
OFFSET(swfsize),
AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX,
DEC},
2796 {
"rtmp_listen",
"Listen for incoming rtmp connections",
OFFSET(listen),
AV_OPT_TYPE_INT, {.i64 = 0}, INT_MIN, INT_MAX,
DEC,
"rtmp_listen" },
2797 {
"listen",
"Listen for incoming rtmp connections",
OFFSET(listen),
AV_OPT_TYPE_INT, {.i64 = 0}, INT_MIN, INT_MAX,
DEC,
"rtmp_listen" },
2798 {
"timeout",
"Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1",
OFFSET(listen_timeout),
AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX,
DEC,
"rtmp_listen" },
2802 #define RTMP_PROTOCOL(flavor) \
2803 static const AVClass flavor##_class = { \
2804 .class_name = #flavor, \
2805 .item_name = av_default_item_name, \
2806 .option = rtmp_options, \
2807 .version = LIBAVUTIL_VERSION_INT, \
2810 URLProtocol ff_##flavor##_protocol = { \
2812 .url_open = rtmp_open, \
2813 .url_read = rtmp_read, \
2814 .url_read_seek = rtmp_seek, \
2815 .url_write = rtmp_write, \
2816 .url_close = rtmp_close, \
2817 .priv_data_size = sizeof(RTMPContext), \
2818 .flags = URL_PROTOCOL_FLAG_NETWORK, \
2819 .priv_data_class= &flavor##_class, \
static int gen_bytes_read(URLContext *s, RTMPContext *rt, uint32_t ts)
Generate report on bytes read so far and send it to the server.
void av_sha_final(AVSHA *ctx, uint8_t *digest)
Finish hashing and output digest value.
void av_url_split(char *proto, int proto_size, char *authorization, int authorization_size, char *hostname, int hostname_size, int *port_ptr, char *path, int path_size, const char *url)
Split a URL string into components.
static int gen_swf_verification(URLContext *s, RTMPContext *rt)
Generate SWF verification message and send it to the server.
int ff_amf_match_string(const uint8_t *data, int size, const char *str)
Match AMF string with a NULL-terminated string.
int ff_rtmp_packet_read_internal(URLContext *h, RTMPPacket *p, int chunk_size, RTMPPacket **prev_pkt, int *nb_prev_pkt, uint8_t hdr)
Read internal RTMP packet sent by the server.
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
static int rtmp_read(URLContext *s, uint8_t *buf, int size)
int live
0: recorded, -1: live, -2: both
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
int ff_amf_read_null(GetByteContext *bc)
Read AMF NULL value.
uint8_t flv_header[RTMP_HEADER]
partial incoming flv packet header
void av_sha_update(AVSHA *ctx, const uint8_t *data, unsigned int len)
Update hash value.
static int rtmp_write(URLContext *s, const uint8_t *buf, int size)
static int handle_invoke_error(URLContext *s, RTMPPacket *pkt)
static int handle_invoke(URLContext *s, RTMPPacket *pkt)
int ff_rtmp_packet_read(URLContext *h, RTMPPacket *p, int chunk_size, RTMPPacket **prev_pkt, int *nb_prev_pkt)
Read RTMP packet sent by the server.
av_cold int av_sha_init(AVSHA *ctx, int bits)
Initialize SHA-1 or SHA-2 hashing.
#define AV_LOG_WARNING
Something somehow does not look correct.
static int gen_check_bw(URLContext *s, RTMPContext *rt)
Generate check bandwidth message and send it to the server.
static const uint8_t rtmp_server_key[]
Key used for RTMP server digest signing.
int ffurl_write(URLContext *h, const unsigned char *buf, int size)
Write size bytes from buf to the resource accessed by h.
#define RTMPS_DEFAULT_PORT
int is_streamed
true if streamed (no seek possible), default = false
static int gen_fcsubscribe_stream(URLContext *s, RTMPContext *rt, const char *subscribe)
void ff_amf_write_field_name(uint8_t **dst, const char *str)
Write string used as field name in AMF object to buffer.
int flv_header_bytes
number of initialized bytes in flv_header
static int hash(int head, const int add)
Hash function adding character.
AVIOInterruptCB interrupt_callback
static av_always_inline void bytestream2_init_writer(PutByteContext *p, uint8_t *buf, int buf_size)
#define AVIO_FLAG_READ
read-only
#define AVIO_FLAG_WRITE
write-only
int ff_amf_tag_size(const uint8_t *data, const uint8_t *data_end)
Calculate number of bytes taken by first AMF entry in data.
static int gen_create_stream(URLContext *s, RTMPContext *rt)
Generate 'createStream' call and send it to the server.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
int av_opt_set_bin(void *obj, const char *name, const uint8_t *val, int len, int search_flags)
URLContext * stream
TCP stream used in interactions with RTMP server.
av_dlog(ac->avr,"%d samples - audio_convert: %s to %s (%s)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic?ac->func_descr_generic:ac->func_descr)
int in_chunk_size
size of the chunks incoming RTMP packets are divided into
#define CONFIG_FFRTMPCRYPT_PROTOCOL
int skip_bytes
number of bytes to skip from the input FLV stream in the next write call
uint32_t last_bytes_read
number of bytes read last reported to server
static int rtmp_server_handshake(URLContext *s, RTMPContext *rt)
rtmp handshake server side
RTMPPacketType type
packet payload type
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
int flv_nb_packets
number of flv packets published
static const char signature[]
struct AVMD5 * av_md5_alloc(void)
int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap, const uint8_t *key, int keylen, uint8_t *dst)
Calculate HMAC-SHA2 digest for RTMP handshake packets.
static av_always_inline double av_int2double(uint64_t i)
Reinterpret a 64-bit integer as a double.
static int append_flv_data(RTMPContext *rt, RTMPPacket *pkt, int skip)
#define RTMP_DEFAULT_PORT
uint32_t extra
probably an additional channel ID used during streaming data
ClientState state
current state
static int gen_fcunpublish_stream(URLContext *s, RTMPContext *rt)
Generate 'FCUnpublish' call and send it to the server.
#define RTMP_PKTDATA_DEFAULT_SIZE
TrackedMethod * tracked_methods
tracked methods buffer
double strtod(const char *, char **)
void ff_amf_write_string(uint8_t **dst, const char *str)
Write string in AMF format to buffer.
static int rtmp_write_amf_data(URLContext *s, char *param, uint8_t **p)
int av_reallocp(void *ptr, size_t size)
Allocate or reallocate a block of memory.
int ff_rtmpe_compute_secret_key(URLContext *h, const uint8_t *serverdata, const uint8_t *clientdata, int type)
Compute the shared secret key and initialize the RC4 encryption.
void ff_rtmp_packet_dump(void *ctx, RTMPPacket *p)
Print information and contents of RTMP packet.
int nb_invokes
keeps track of invoke messages
int out_chunk_size
size of the chunks outgoing RTMP packets are divided into
#define AVERROR_EOF
End of file.
int flv_size
current buffer size
#define AV_LOG_VERBOSE
Detailed information.
int listen_timeout
listen timeout to wait for new connections
int flush_interval
number of packets flushed in the same request (RTMPT only)
static void copy(LZOContext *c, int cnt)
Copies bytes from input to output buffer with checking.
char * swfverify
URL to player swf file, compute hash/size automatically.
static int rtmp_handshake(URLContext *s, RTMPContext *rt)
Perform handshake with the server by means of exchanging pseudorandom data signed with HMAC-SHA2 dige...
int encrypted
use an encrypted connection (RTMPE only)
int ff_rtmpe_gen_pub_key(URLContext *h, uint8_t *buf)
Initialize the Diffie-Hellmann context and generate the public key.
int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val, int add_val)
Calculate digest position for RTMP handshake packets.
void ff_amf_write_object_end(uint8_t **dst)
Write marker for end of AMF object to buffer.
char * conn
append arbitrary AMF data to the Connect message
received a play command (for output)
static void del_tracked_method(RTMPContext *rt, int index)
static int rtmp_validate_digest(uint8_t *buf, int off)
Verify that the received server response has the expected digest value.
int size
packet payload size
static int gen_seek(URLContext *s, RTMPContext *rt, int64_t timestamp)
void ff_amf_write_bool(uint8_t **dst, int val)
Write boolean value in AMF format to buffer.
static int do_adobe_auth(RTMPContext *rt, const char *user, const char *salt, const char *opaque, const char *challenge)
static int rtmp_handshake_imprint_with_digest(uint8_t *buf, int encrypted)
Put HMAC-SHA2 digest of packet data (except for the bytes where this digest will be stored) into that...
static int write_status(URLContext *s, RTMPPacket *pkt, const char *status, const char *filename)
static int handle_client_bw(URLContext *s, RTMPPacket *pkt)
void av_md5_update(AVMD5 *ctx, const uint8_t *src, const int len)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
char * pageurl
url of the web page
client has started the seek operation. Back on STATE_PLAYING when the time comes
static int rtmp_send_packet(RTMPContext *rt, RTMPPacket *pkt, int track)
char * flashver
version of the flash plugin
static int handle_invoke_status(URLContext *s, RTMPPacket *pkt)
ClientState
RTMP protocol handler state.
char * swfurl
url of the swf player
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define PLAYER_KEY_OPEN_PART_LEN
length of partial key used for first client digest signing
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
static int gen_fcpublish_stream(URLContext *s, RTMPContext *rt)
Generate 'FCPublish' call and send it to the server.
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
void av_log(void *avcl, int level, const char *fmt,...)
static int gen_delete_stream(URLContext *s, RTMPContext *rt)
Generate 'deleteStream' call and send it to the server.
char * playpath
stream identifier to play (with possible "mp4:" prefix)
client has not done anything yet
char * av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size)
Encode data to base64 and null-terminate.
static void free_tracked_methods(RTMPContext *rt)
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
int tracked_methods_size
size of the tracked methods buffer
#define RTMP_PROTOCOL(flavor)
client has performed handshake
static int gen_play(URLContext *s, RTMPContext *rt)
Generate 'play' call and send it to the server, then ping the server to start actual playing...
static av_always_inline void bytestream2_skip_p(PutByteContext *p, unsigned int size)
#define PLAYPATH_MAX_LENGTH
int swfhash_len
length of the SHA256 hash
static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
Parse received packet and possibly perform some action depending on the packet contents.
#define AV_BASE64_SIZE(x)
Calculate the output size needed to base64-encode x bytes.
client has started sending multimedia data to server (for output)
void ff_rtmp_packet_destroy(RTMPPacket *pkt)
Free RTMP packet.
static int gen_publish(URLContext *s, RTMPContext *rt)
Generate 'publish' call and send it to the server.
client has started receiving multimedia data from server
int client_buffer_time
client buffer time in ms
client FCPublishing stream (for output)
int ff_amf_get_field_value(const uint8_t *data, const uint8_t *data_end, const uint8_t *name, uint8_t *dst, int dst_size)
Retrieve value of given AMF object field in string form.
static int rtmp_close(URLContext *h)
int nb_streamid
The next stream id to return on createStream calls.
#define RTMP_CLIENT_PLATFORM
emulated Flash client version - 9.0.124.2 on Linux
static int gen_pong(URLContext *s, RTMPContext *rt, RTMPPacket *ppkt)
Generate ping reply and send it to the server.
static int add_tracked_method(RTMPContext *rt, const char *name, int id)
int is_input
input/output flag
static const uint8_t rtmp_player_key[]
Client key used for digest signing.
received a publish command (for input)
static int rtmp_send_hs_packet(RTMPContext *rt, uint32_t first_int, uint32_t second_int, char *arraydata, int size)
static int64_t rtmp_seek(URLContext *s, int stream_index, int64_t timestamp, int flags)
int ff_rtmp_packet_write(URLContext *h, RTMPPacket *pkt, int chunk_size, RTMPPacket **prev_pkt_ptr, int *nb_prev_pkt)
Send RTMP packet to the server.
static av_always_inline unsigned int bytestream_get_buffer(const uint8_t **b, uint8_t *dst, unsigned int size)
static int gen_buffer_time(URLContext *s, RTMPContext *rt)
Generate client buffer time and send it to the server.
static av_always_inline unsigned int bytestream2_put_buffer(PutByteContext *p, const uint8_t *src, unsigned int size)
the broadcast has been stopped
char * swfhash
SHA256 hash of the decompressed SWF file (32 bytes)
char swfverification[42]
hash of the SWF verification
int nb_tracked_methods
number of tracked methods
offset must point to a pointer immediately followed by an int for the length
if(ac->has_optimized_func)
int ff_url_join(char *str, int size, const char *proto, const char *authorization, const char *hostname, int port, const char *fmt,...)
static int do_llnw_auth(RTMPContext *rt, const char *user, const char *nonce)
int flv_off
number of bytes read from current buffer
char * av_strdup(const char *s)
Duplicate the string s.
static int handle_chunk_size(URLContext *s, RTMPPacket *pkt)
#define AVIO_FLAG_NONBLOCK
Use non-blocking mode.
uint32_t bytes_read
number of bytes read from server
struct AVSHA * av_sha_alloc(void)
Allocate an AVSHA context.
void av_md5_init(AVMD5 *ctx)
static unsigned int av_lfg_get(AVLFG *c)
Get the next random unsigned 32-bit number using an ALFG.
char * subscribe
name of live stream to subscribe
void ff_rtmpe_encrypt_sig(URLContext *h, uint8_t *sig, const uint8_t *digest, int type)
Encrypt the signature.
#define AVIO_FLAG_READ_WRITE
read-write pseudo flag
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
channel for sending server control messages
static int gen_connect(URLContext *s, RTMPContext *rt)
Generate 'connect' call and send it to the server.
static int gen_release_stream(URLContext *s, RTMPContext *rt)
Generate 'releaseStream' call and send it to the server.
Describe the class of an AVClass context structure.
static int write_begin(URLContext *s)
static int find_tracked_method(URLContext *s, RTMPPacket *pkt, int offset, char **tracked_method)
int ff_rtmp_packet_create(RTMPPacket *pkt, int channel_id, RTMPPacketType type, int timestamp, int size)
Create new RTMP packet with given attributes.
int ff_rtmpe_update_keystream(URLContext *h)
Update the keystream and set RC4 keys for encryption.
int ff_amf_read_number(GetByteContext *bc, double *val)
Read AMF number value.
static int handle_notify(URLContext *s, RTMPPacket *pkt)
size_t av_strlcatf(char *dst, size_t size, const char *fmt,...)
int channel_id
RTMP channel ID (nothing to do with audio/video channels though)
av_cold void av_lfg_init(AVLFG *c, unsigned int seed)
RTMPPacket out_pkt
rtmp packet, created from flv a/v or metadata (for output)
char * tcurl
url of the target stream
static int handle_connect_error(URLContext *s, const char *desc)
void av_md5_final(AVMD5 *ctx, uint8_t *dst)
int listen
listen mode flag
size_t av_strlcat(char *dst, const char *src, size_t size)
Append the string src to the string dst, but to a total length of no more than size - 1 bytes...
static int rtmp_receive_hs_packet(RTMPContext *rt, uint32_t *first_int, uint32_t *second_int, char *arraydata, int size)
int ffurl_close(URLContext *h)
Close the resource accessed by the URLContext h, and free the memory used by it.
#define SERVER_KEY_OPEN_PART_LEN
length of partial key used for first server digest signing
channel for network-related messages (bandwidth report, ping, etc)
static int gen_server_bw(URLContext *s, RTMPContext *rt)
Generate server bandwidth message and send it to the server.
static int handle_metadata(RTMPContext *rt, RTMPPacket *pkt)
void ff_amf_write_null(uint8_t **dst)
Write AMF NULL value to buffer.
uint32_t timestamp
packet full timestamp
#define RTMP_HANDSHAKE_PACKET_SIZE
#define FLASHVER_MAX_LENGTH
uint8_t * data
packet payload
static int rtmp_open(URLContext *s, const char *uri, int flags)
Open RTMP connection and verify that the stream can be played.
int stream_id
ID assigned by the server for the stream.
RTMPPacket * prev_pkt[2]
packet history used when reading and sending packets ([0] for reading, [1] for writing) ...
int64_t ffurl_seek(URLContext *h, int64_t pos, int whence)
Change the position that will be used by the next read/write operation on the resource accessed by h...
char * app
name of application
void * av_realloc(void *ptr, size_t size)
Allocate or reallocate a block of memory.
int ffurl_open(URLContext **puc, const char *filename, int flags, const AVIOInterruptCB *int_cb, AVDictionary **options)
Create an URLContext for accessing to the resource indicated by url, and open it. ...
int ffurl_read_complete(URLContext *h, unsigned char *buf, int size)
Read as many bytes as possible (up to size), calling the read function multiple times if necessary...
static int rtmp_calc_swfhash(URLContext *s)
char * filename
specified URL
int ff_rtmp_check_alloc_array(RTMPPacket **prev_pkt, int *nb_prev_pkt, int channel)
Enlarge the prev_pkt array to fit the given channel.
#define AVSEEK_SIZE
Passing this as the "whence" parameter to a seek function causes it to return the filesize without se...
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
int ff_amf_read_string(GetByteContext *bc, uint8_t *str, int strsize, int *length)
Read AMF string value.
static int send_invoke_response(URLContext *s, RTMPPacket *pkt)
void ff_amf_write_number(uint8_t **dst, double val)
Write number in AMF format to buffer.
static const AVOption rtmp_options[]
static int get_packet(URLContext *s, int for_header)
Interact with the server by receiving and sending RTMP packets until there is some significant data (...
static int handle_invoke_result(URLContext *s, RTMPPacket *pkt)
uint8_t * flv_data
buffer with data for demuxer
static int read_connect(URLContext *s, RTMPContext *rt)
static int handle_server_bw(URLContext *s, RTMPPacket *pkt)
void ff_amf_write_object_start(uint8_t **dst)
Write marker for AMF object to buffer.
int max_packet_size
if non zero, the stream is packetized with this max packet size
int swfsize
size of the decompressed SWF file
int nb_prev_pkt[2]
number of elements in prev_pkt
structure for holding RTMP packets
void ff_amf_write_string2(uint8_t **dst, const char *str1, const char *str2)
Write a string consisting of two parts in AMF format to a buffer.
static int update_offset(RTMPContext *rt, int size)
unbuffered private I/O API
invoke some stream action
uint32_t av_get_random_seed(void)
Get random data.
static int handle_ping(URLContext *s, RTMPPacket *pkt)
int ffurl_read(URLContext *h, unsigned char *buf, int size)
Read up to size bytes from the resource accessed by h, and store the read bytes in buf...
uint32_t client_report_size
number of bytes after which client should report to server
int server_bw
server bandwidth
static int rtmp_calc_swf_verification(URLContext *s, RTMPContext *rt, uint8_t *buf)