libavformat/rtmpproto.c File Reference

RTMP protocol. More...

#include "libavcodec/bytestream.h"
#include "libavutil/avstring.h"
#include "libavutil/intfloat.h"
#include "libavutil/lfg.h"
#include "libavutil/opt.h"
#include "libavutil/random_seed.h"
#include "libavutil/sha.h"
#include "avformat.h"
#include "internal.h"
#include "network.h"
#include "flv.h"
#include "rtmp.h"
#include "rtmpcrypt.h"
#include "rtmppkt.h"
#include "url.h"

Go to the source code of this file.

Data Structures

struct TrackedMethod

struct RTMPContext

protocol handler context More...

Defines

#define APP_MAX_LENGTH   128

#define PLAYPATH_MAX_LENGTH   256

#define TCURL_MAX_LENGTH   512

#define FLASHVER_MAX_LENGTH   64

#define RTMP_PKTDATA_DEFAULT_SIZE   4096

#define PLAYER_KEY_OPEN_PART_LEN   30

length of partial key used for first client digest signing

#define SERVER_KEY_OPEN_PART_LEN   36

length of partial key used for first server digest signing

#define OFFSET(x)   offsetof(RTMPContext, x)

#define DEC   AV_OPT_FLAG_DECODING_PARAM

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

#define RTMP_PROTOCOL(flavor)

Enumerations

enum ClientState {
  STATE_START, STATE_HANDSHAKED, STATE_FCPUBLISH, STATE_PLAYING,
  STATE_PUBLISHING, STATE_RECEIVING, STATE_STOPPED
}

RTMP protocol handler state. More...

Functions

static int add_tracked_method (RTMPContext *rt, const char *name, int id)

static void del_tracked_method (RTMPContext *rt, int index)

static int find_tracked_method (URLContext *s, RTMPPacket *pkt, int offset, char **tracked_method)

static void free_tracked_methods (RTMPContext *rt)

static int rtmp_send_packet (RTMPContext *rt, RTMPPacket *pkt, int track)

static int rtmp_write_amf_data (URLContext *s, char *param, uint8_t **p)

static int gen_connect (URLContext *s, RTMPContext *rt)

Generate 'connect' call and send it to the server.

static int read_connect (URLContext *s, RTMPContext *rt)

static int gen_release_stream (URLContext *s, RTMPContext *rt)

Generate 'releaseStream' call and send it to the server.

static int gen_fcpublish_stream (URLContext *s, RTMPContext *rt)

Generate 'FCPublish' call and send it to the server.

static int gen_fcunpublish_stream (URLContext *s, RTMPContext *rt)

Generate 'FCUnpublish' call and send it to the server.

static int gen_create_stream (URLContext *s, RTMPContext *rt)

Generate 'createStream' call and send it to the server.

static int gen_delete_stream (URLContext *s, RTMPContext *rt)

Generate 'deleteStream' call and send it to the server.

static int gen_buffer_time (URLContext *s, RTMPContext *rt)

Generate client buffer time and send it to the server.

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 int gen_publish (URLContext *s, RTMPContext *rt)

Generate 'publish' call and send it to the server.

static int gen_pong (URLContext *s, RTMPContext *rt, RTMPPacket *ppkt)

Generate ping reply and send it to the server.

static int gen_swf_verification (URLContext *s, RTMPContext *rt)

Generate SWF verification message and send it to the server.

static int gen_server_bw (URLContext *s, RTMPContext *rt)

Generate server bandwidth message and send it to the server.

static int gen_check_bw (URLContext *s, RTMPContext *rt)

Generate check bandwidth message and send it to the server.

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.

static int gen_fcsubscribe_stream (URLContext *s, RTMPContext *rt, const char *subscribe)

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.

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.

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 packet.

static int rtmp_validate_digest (uint8_t *buf, int off)

Verify that the received server response has the expected digest value.

static int rtmp_calc_swf_verification (URLContext *s, RTMPContext *rt, uint8_t *buf)

static int rtmp_calc_swfhash (URLContext *s)

static int rtmp_handshake (URLContext *s, RTMPContext *rt)

Perform handshake with the server by means of exchanging pseudorandom data signed with HMAC-SHA2 digest.

static int rtmp_receive_hs_packet (RTMPContext *rt, uint32_t *first_int, uint32_t *second_int, char *arraydata, int size)

static int rtmp_send_hs_packet (RTMPContext *rt, uint32_t first_int, uint32_t second_int, char *arraydata, int size)

static int rtmp_server_handshake (URLContext *s, RTMPContext *rt)

rtmp handshake server side

static int handle_chunk_size (URLContext *s, RTMPPacket *pkt)

static int handle_ping (URLContext *s, RTMPPacket *pkt)

static int handle_client_bw (URLContext *s, RTMPPacket *pkt)

static int handle_server_bw (URLContext *s, RTMPPacket *pkt)

static int handle_invoke_error (URLContext *s, RTMPPacket *pkt)

static int send_invoke_response (URLContext *s, RTMPPacket *pkt)

static int handle_invoke_result (URLContext *s, RTMPPacket *pkt)

static int handle_invoke_status (URLContext *s, RTMPPacket *pkt)

static int handle_invoke (URLContext *s, RTMPPacket *pkt)

static int handle_notify (URLContext *s, RTMPPacket *pkt)

static int rtmp_parse_result (URLContext *s, RTMPContext *rt, RTMPPacket *pkt)

Parse received packet and possibly perform some action depending on the packet contents.

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 (media data or expected status notification).

static int rtmp_close (URLContext *h)

static int rtmp_open (URLContext *s, const char *uri, int flags)

Open RTMP connection and verify that the stream can be played.

static int rtmp_read (URLContext *s, uint8_t *buf, int size)

static int rtmp_write (URLContext *s, const uint8_t *buf, int size)

Variables

static const uint8_t rtmp_player_key []

Client key used for digest signing.

static const uint8_t rtmp_server_key []

Key used for RTMP server digest signing.

static const AVOption rtmp_options []

Detailed Description

RTMP protocol.

Definition in file rtmpproto.c.

Define Documentation

#define APP_MAX_LENGTH 128

Definition at line 51 of file rtmpproto.c.

Referenced by rtmp_open().

#define DEC AV_OPT_FLAG_DECODING_PARAM

Definition at line 2405 of file rtmpproto.c.

#define ENC AV_OPT_FLAG_ENCODING_PARAM

Definition at line 2406 of file rtmpproto.c.

#define FLASHVER_MAX_LENGTH 64

Definition at line 54 of file rtmpproto.c.

Referenced by rtmp_open().

#define OFFSET ( x ) offsetof(RTMPContext, x)

Definition at line 2404 of file rtmpproto.c.

#define PLAYER_KEY_OPEN_PART_LEN 30

length of partial key used for first client digest signing

Definition at line 121 of file rtmpproto.c.

Referenced by rtmp_handshake_imprint_with_digest().

#define PLAYPATH_MAX_LENGTH 256

Definition at line 52 of file rtmpproto.c.

Referenced by rtmp_open().

#define RTMP_PKTDATA_DEFAULT_SIZE 4096

Definition at line 55 of file rtmpproto.c.

Referenced by read_connect(), and send_invoke_response().

#define RTMP_PROTOCOL ( flavor )

Value:

static const AVClass flavor##_class = {          \
    .class_name = #flavor,                       \
    .item_name  = av_default_item_name,          \
    .option     = rtmp_options,                  \
    .version    = LIBAVUTIL_VERSION_INT,         \
};                                               \
                                                 \
URLProtocol ff_##flavor##_protocol = {           \
    .name           = #flavor,                   \
    .url_open       = rtmp_open,                 \
    .url_read       = rtmp_read,                 \
    .url_write      = rtmp_write,                \
    .url_close      = rtmp_close,                \
    .priv_data_size = sizeof(RTMPContext),       \
    .flags          = URL_PROTOCOL_FLAG_NETWORK, \
    .priv_data_class= &flavor##_class,           \
};

Definition at line 2431 of file rtmpproto.c.

#define SERVER_KEY_OPEN_PART_LEN 36

length of partial key used for first server digest signing

Definition at line 132 of file rtmpproto.c.

Referenced by rtmp_validate_digest().

#define TCURL_MAX_LENGTH 512

Definition at line 53 of file rtmpproto.c.

Referenced by rtmp_open().

Enumeration Type Documentation

enum ClientState

RTMP protocol handler state.

Enumerator:

STATE_START	client has not done anything yet
STATE_HANDSHAKED	client has performed handshake
STATE_FCPUBLISH	client FCPublishing stream (for output)
STATE_PLAYING	client has started receiving multimedia data from server
STATE_PUBLISHING	client has started sending multimedia data to server (for output)
STATE_RECEIVING	received a publish command (for input)
STATE_STOPPED	the broadcast has been stopped

Definition at line 58 of file rtmpproto.c.

Function Documentation

static int add_tracked_method	(	RTMPContext *	rt,
		const char *	name,
		int	id
	)			`[static]`

Definition at line 144 of file rtmpproto.c.

Referenced by rtmp_send_packet().

static void del_tracked_method	(	RTMPContext *	rt,
		int	index
	)			`[static]`

Definition at line 166 of file rtmpproto.c.

Referenced by find_tracked_method().

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.

Parameters:

	src	input buffer
	len	input buffer length (should be 1536)
	gap	offset in buffer where 32 bytes should not be taken into account when calculating digest (since it will be used to store that digest)
	key	digest key
	keylen	digest key length
	dst	buffer where calculated digest will be stored (32 bytes)

Definition at line 855 of file rtmpproto.c.

Referenced by ff_rtmpe_compute_secret_key(), rtmp_calc_swf_verification(), rtmp_calc_swfhash(), rtmp_handshake(), rtmp_handshake_imprint_with_digest(), and rtmp_validate_digest().

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.

Parameters:

	buf	input buffer (should be 1536 bytes)
	off	offset in buffer where to start calculating digest position
	mod_val	value used for computing modulo
	add_val	value added at the end (after computing modulo)

Definition at line 897 of file rtmpproto.c.

Referenced by ff_rtmpe_compute_secret_key(), ff_rtmpe_gen_pub_key(), rtmp_handshake_imprint_with_digest(), and rtmp_validate_digest().

static int find_tracked_method	(	URLContext *	s,
		RTMPPacket *	pkt,
		int	offset,
		char **	tracked_method
	)			`[static]`

Definition at line 173 of file rtmpproto.c.

Referenced by handle_invoke_error(), and handle_invoke_result().

static void free_tracked_methods ( RTMPContext * rt ) [static]

Definition at line 198 of file rtmpproto.c.

Referenced by rtmp_close().

static int gen_buffer_time	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate client buffer time and send it to the server.

Definition at line 656 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_bytes_read	(	URLContext *	s,
		RTMPContext *	rt,
		uint32_t	ts
	)			`[static]`

Generate report on bytes read so far and send it to the server.

Definition at line 819 of file rtmpproto.c.

Referenced by get_packet().

static int gen_check_bw	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate check bandwidth message and send it to the server.

Definition at line 798 of file rtmpproto.c.

Referenced by handle_invoke().

static int gen_connect	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'connect' call and send it to the server.

Definition at line 301 of file rtmpproto.c.

Referenced by rtmp_open().

static int gen_create_stream	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'createStream' call and send it to the server.

It should make the server allocate some channel for media streams.

Definition at line 607 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_delete_stream	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'deleteStream' call and send it to the server.

It should make the server remove some channel for media streams.

Definition at line 632 of file rtmpproto.c.

Referenced by rtmp_close().

static int gen_fcpublish_stream	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'FCPublish' call and send it to the server.

It should make the server preapare for receiving media streams.

Definition at line 559 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_fcsubscribe_stream	(	URLContext *	s,
		RTMPContext *	rt,
		const char *	subscribe
	)			`[static]`

Definition at line 835 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_fcunpublish_stream	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'FCUnpublish' call and send it to the server.

It should make the server destroy stream.

Definition at line 583 of file rtmpproto.c.

Referenced by rtmp_close().

static int gen_play	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'play' call and send it to the server, then ping the server to start actual playing.

Definition at line 678 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_pong	(	URLContext *	s,
		RTMPContext *	rt,
		RTMPPacket *	ppkt
	)			`[static]`

Generate ping reply and send it to the server.

Definition at line 732 of file rtmpproto.c.

Referenced by handle_ping().

static int gen_publish	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'publish' call and send it to the server.

Definition at line 705 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_release_stream	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate 'releaseStream' call and send it to the server.

It should make the server release some channel for media streams.

Definition at line 535 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_server_bw	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate server bandwidth message and send it to the server.

Definition at line 779 of file rtmpproto.c.

Referenced by handle_invoke_result().

static int gen_swf_verification	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Generate SWF verification message and send it to the server.

Definition at line 758 of file rtmpproto.c.

Referenced by handle_ping().

static int get_packet	(	URLContext *	s,
		int	for_header
	)			`[static]`

Interact with the server by receiving and sending RTMP packets until there is some significant data (media data or expected status notification).

Parameters:

	s	reading context
	for_header	non-zero value tells function to work until it gets notification from the server that playing has been started, otherwise function will work until some media data is received (or an error happens)

Returns:: 0 for successful operation, negative value in case of error

Definition at line 1926 of file rtmpproto.c.

Referenced by ff_audio_rechunk_interleave(), rtmp_open(), and rtmp_read().

static int handle_chunk_size	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1409 of file rtmpproto.c.

Referenced by rtmp_parse_result().

static int handle_client_bw	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1469 of file rtmpproto.c.

Referenced by rtmp_parse_result().

static int handle_invoke	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1773 of file rtmpproto.c.

Referenced by rtmp_parse_result().

static int handle_invoke_error	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1515 of file rtmpproto.c.

Referenced by handle_invoke().

static int handle_invoke_result	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1677 of file rtmpproto.c.

Referenced by handle_invoke().

static int handle_invoke_status	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1741 of file rtmpproto.c.

Referenced by handle_invoke().

static int handle_notify	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1803 of file rtmpproto.c.

Referenced by get_packet().

static int handle_ping	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1442 of file rtmpproto.c.

Referenced by rtmp_parse_result().

static int handle_server_bw	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1493 of file rtmpproto.c.

Referenced by rtmp_parse_result().

static int read_connect	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Definition at line 386 of file rtmpproto.c.

Referenced by rtmp_open().

static int rtmp_calc_swf_verification	(	URLContext *	s,
		RTMPContext *	rt,
		uint8_t *	buf
	)			`[static]`

Definition at line 960 of file rtmpproto.c.

Referenced by rtmp_handshake().

static int rtmp_calc_swfhash ( URLContext * s ) [static]

Definition at line 1028 of file rtmpproto.c.

Referenced by rtmp_open().

static int rtmp_close ( URLContext * h ) [static]

Definition at line 2030 of file rtmpproto.c.

static int rtmp_handshake	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

Perform handshake with the server by means of exchanging pseudorandom data signed with HMAC-SHA2 digest.

Returns:: 0 if handshake succeeds, negative value otherwise

Definition at line 1113 of file rtmpproto.c.

Referenced by rtmp_open().

static int rtmp_handshake_imprint_with_digest	(	uint8_t *	buf,
		int	encrypted
	)			`[static]`

Put HMAC-SHA2 digest of packet data (except for the bytes where this digest will be stored) into that packet.

Parameters:

	buf	handshake data (1536 bytes)
	encrypted	use an encrypted connection (RTMPE)

Returns:: offset to the digest inside input data

Definition at line 917 of file rtmpproto.c.

Referenced by rtmp_handshake().

static int rtmp_open	(	URLContext *	s,
		const char *	uri,
		int	flags
	)			`[static]`

Open RTMP connection and verify that the stream can be played.

URL syntax: rtmp://server[:port][/app][/playpath] where 'app' is first one or two directories in the path (e.g. /ondemand/, /flash/live/, etc.) and 'playpath' is a file name (the rest of the path, may be prefixed with "mp4:")

Definition at line 2060 of file rtmpproto.c.

static int rtmp_parse_result	(	URLContext *	s,
		RTMPContext *	rt,
		RTMPPacket *	pkt
	)			`[static]`

Parse received packet and possibly perform some action depending on the packet contents.

Returns:: 0 for no errors, negative values for serious errors which prevent further communications, positive values for uncritical errors

Definition at line 1870 of file rtmpproto.c.

Referenced by get_packet(), and rtmp_write().

static int rtmp_read	(	URLContext *	s,
		uint8_t *	buf,
		int	size
	)			`[static]`

Definition at line 2265 of file rtmpproto.c.

static int rtmp_receive_hs_packet	(	RTMPContext *	rt,
		uint32_t *	first_int,
		uint32_t *	second_int,
		char *	arraydata,
		int	size
	)			`[static]`

Definition at line 1292 of file rtmpproto.c.

Referenced by rtmp_server_handshake().

static int rtmp_send_hs_packet	(	RTMPContext *	rt,
		uint32_t	first_int,
		uint32_t	second_int,
		char *	arraydata,
		int	size
	)			`[static]`

Definition at line 1313 of file rtmpproto.c.

Referenced by rtmp_server_handshake().

static int rtmp_send_packet	(	RTMPContext *	rt,
		RTMPPacket *	pkt,
		int	track
	)			`[static]`

Definition at line 207 of file rtmpproto.c.

Referenced by gen_buffer_time(), gen_bytes_read(), gen_check_bw(), gen_connect(), gen_create_stream(), gen_delete_stream(), gen_fcpublish_stream(), gen_fcsubscribe_stream(), gen_fcunpublish_stream(), gen_play(), gen_pong(), gen_publish(), gen_release_stream(), gen_server_bw(), gen_swf_verification(), and rtmp_write().

static int rtmp_server_handshake	(	URLContext *	s,
		RTMPContext *	rt
	)			`[static]`

rtmp handshake server side

Definition at line 1333 of file rtmpproto.c.

Referenced by rtmp_open().

static int rtmp_validate_digest	(	uint8_t *	buf,
		int	off
	)			`[static]`

Verify that the received server response has the expected digest value.

Parameters:

	buf	handshake data received from the server (1536 bytes)
	off	position to search digest offset from

Returns:: 0 if digest is valid, digest position otherwise

Definition at line 942 of file rtmpproto.c.

Referenced by rtmp_handshake().

static int rtmp_write	(	URLContext *	s,
		const uint8_t *	buf,
		int	size
	)			`[static]`

Definition at line 2292 of file rtmpproto.c.

static int rtmp_write_amf_data	(	URLContext *	s,
		char *	param,
		uint8_t **	p
	)			`[static]`

Definition at line 235 of file rtmpproto.c.

Referenced by gen_connect().

static int send_invoke_response	(	URLContext *	s,
		RTMPPacket *	pkt
	)			`[static]`

Definition at line 1544 of file rtmpproto.c.

Referenced by handle_invoke().

Variable Documentation

const AVOption rtmp_options[] [static]

Initial value:

 {
    {"rtmp_app", "Name of application to connect to on the RTMP server", OFFSET(app), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
    {"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},
    {"rtmp_conn", "Append arbitrary AMF data to the Connect message", OFFSET(conn), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
    {"rtmp_flashver", "Version of the Flash plugin used to run the SWF player.", OFFSET(flashver), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
    {"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},
    {"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"},
    {"any", "both", 0, AV_OPT_TYPE_CONST, {.i64 = -2}, 0, 0, DEC, "rtmp_live"},
    {"live", "live stream", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, DEC, "rtmp_live"},
    {"recorded", "recorded stream", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, DEC, "rtmp_live"},
    {"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},
    {"rtmp_playpath", "Stream identifier to play or to publish", OFFSET(playpath), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
    {"rtmp_subscribe", "Name of live stream to subscribe to. Defaults to rtmp_playpath.", OFFSET(subscribe), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC},
    {"rtmp_swfhash", "SHA256 hash of the decompressed SWF file (32 bytes).", OFFSET(swfhash), AV_OPT_TYPE_BINARY, .flags = DEC},
    {"rtmp_swfsize", "Size of the decompressed SWF file, required for SWFVerification.", OFFSET(swfsize), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, DEC},
    {"rtmp_swfurl", "URL of the SWF player. By default no value will be sent", OFFSET(swfurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
    {"rtmp_swfverify", "URL to player swf file, compute hash/size automatically.", OFFSET(swfverify), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC},
    {"rtmp_tcurl", "URL of the target stream. Defaults to proto://host[:port]/app.", OFFSET(tcurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
    {"rtmp_listen", "Listen for incoming rtmp connections", OFFSET(listen), AV_OPT_TYPE_INT, {.i64 = 0}, INT_MIN, INT_MAX, DEC, "rtmp_listen" },
    {"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" },
    { NULL },
}

Definition at line 2408 of file rtmpproto.c.

const uint8_t rtmp_player_key[] [static]

Initial value:

 {
    'G', 'e', 'n', 'u', 'i', 'n', 'e', ' ', 'A', 'd', 'o', 'b', 'e', ' ',
    'F', 'l', 'a', 's', 'h', ' ', 'P', 'l', 'a', 'y', 'e', 'r', ' ', '0', '0', '1',

    0xF0, 0xEE, 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8, 0x2E, 0x00, 0xD0, 0xD1, 0x02,
    0x9E, 0x7E, 0x57, 0x6E, 0xEC, 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB, 0x93, 0xB8,
    0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE
}

Client key used for digest signing.

Definition at line 123 of file rtmpproto.c.

Referenced by rtmp_handshake(), and rtmp_handshake_imprint_with_digest().

const uint8_t rtmp_server_key[] [static]

Initial value:

 {
    'G', 'e', 'n', 'u', 'i', 'n', 'e', ' ', 'A', 'd', 'o', 'b', 'e', ' ',
    'F', 'l', 'a', 's', 'h', ' ', 'M', 'e', 'd', 'i', 'a', ' ',
    'S', 'e', 'r', 'v', 'e', 'r', ' ', '0', '0', '1',

    0xF0, 0xEE, 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8, 0x2E, 0x00, 0xD0, 0xD1, 0x02,
    0x9E, 0x7E, 0x57, 0x6E, 0xEC, 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB, 0x93, 0xB8,
    0xE6, 0x36, 0xCF, 0xEB, 0x31, 0xAE
}

Key used for RTMP server digest signing.

Definition at line 134 of file rtmpproto.c.

Referenced by rtmp_handshake(), and rtmp_validate_digest().


Data Structures
struct	TrackedMethod
struct	RTMPContext
	protocol handler context More...
Defines
#define	APP_MAX_LENGTH 128
#define	PLAYPATH_MAX_LENGTH 256
#define	TCURL_MAX_LENGTH 512
#define	FLASHVER_MAX_LENGTH 64
#define	RTMP_PKTDATA_DEFAULT_SIZE 4096
#define	PLAYER_KEY_OPEN_PART_LEN 30
	length of partial key used for first client digest signing
#define	SERVER_KEY_OPEN_PART_LEN 36
	length of partial key used for first server digest signing
#define	OFFSET(x) offsetof(RTMPContext, x)
#define	DEC AV_OPT_FLAG_DECODING_PARAM
#define	ENC AV_OPT_FLAG_ENCODING_PARAM
#define	RTMP_PROTOCOL(flavor)
Enumerations
enum	ClientState { STATE_START, STATE_HANDSHAKED, STATE_FCPUBLISH, STATE_PLAYING, STATE_PUBLISHING, STATE_RECEIVING, STATE_STOPPED }
	RTMP protocol handler state. More...
Functions
static int	add_tracked_method (RTMPContext rt, const char name, int id)
static void	del_tracked_method (RTMPContext *rt, int index)
static int	find_tracked_method (URLContext s, RTMPPacket pkt, int offset, char **tracked_method)
static void	free_tracked_methods (RTMPContext *rt)
static int	rtmp_send_packet (RTMPContext rt, RTMPPacket pkt, int track)
static int	rtmp_write_amf_data (URLContext s, char param, uint8_t **p)
static int	gen_connect (URLContext s, RTMPContext rt)
	Generate 'connect' call and send it to the server.
static int	read_connect (URLContext s, RTMPContext rt)
static int	gen_release_stream (URLContext s, RTMPContext rt)
	Generate 'releaseStream' call and send it to the server.
static int	gen_fcpublish_stream (URLContext s, RTMPContext rt)
	Generate 'FCPublish' call and send it to the server.
static int	gen_fcunpublish_stream (URLContext s, RTMPContext rt)
	Generate 'FCUnpublish' call and send it to the server.
static int	gen_create_stream (URLContext s, RTMPContext rt)
	Generate 'createStream' call and send it to the server.
static int	gen_delete_stream (URLContext s, RTMPContext rt)
	Generate 'deleteStream' call and send it to the server.
static int	gen_buffer_time (URLContext s, RTMPContext rt)
	Generate client buffer time and send it to the server.
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 int	gen_publish (URLContext s, RTMPContext rt)
	Generate 'publish' call and send it to the server.
static int	gen_pong (URLContext s, RTMPContext rt, RTMPPacket *ppkt)
	Generate ping reply and send it to the server.
static int	gen_swf_verification (URLContext s, RTMPContext rt)
	Generate SWF verification message and send it to the server.
static int	gen_server_bw (URLContext s, RTMPContext rt)
	Generate server bandwidth message and send it to the server.
static int	gen_check_bw (URLContext s, RTMPContext rt)
	Generate check bandwidth message and send it to the server.
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.
static int	gen_fcsubscribe_stream (URLContext s, RTMPContext rt, const char *subscribe)
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.
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.
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 packet.
static int	rtmp_validate_digest (uint8_t *buf, int off)
	Verify that the received server response has the expected digest value.
static int	rtmp_calc_swf_verification (URLContext s, RTMPContext rt, uint8_t *buf)
static int	rtmp_calc_swfhash (URLContext *s)
static int	rtmp_handshake (URLContext s, RTMPContext rt)
	Perform handshake with the server by means of exchanging pseudorandom data signed with HMAC-SHA2 digest.
static int	rtmp_receive_hs_packet (RTMPContext rt, uint32_t first_int, uint32_t second_int, char arraydata, int size)
static int	rtmp_send_hs_packet (RTMPContext rt, uint32_t first_int, uint32_t second_int, char arraydata, int size)
static int	rtmp_server_handshake (URLContext s, RTMPContext rt)
	rtmp handshake server side
static int	handle_chunk_size (URLContext s, RTMPPacket pkt)
static int	handle_ping (URLContext s, RTMPPacket pkt)
static int	handle_client_bw (URLContext s, RTMPPacket pkt)
static int	handle_server_bw (URLContext s, RTMPPacket pkt)
static int	handle_invoke_error (URLContext s, RTMPPacket pkt)
static int	send_invoke_response (URLContext s, RTMPPacket pkt)
static int	handle_invoke_result (URLContext s, RTMPPacket pkt)
static int	handle_invoke_status (URLContext s, RTMPPacket pkt)
static int	handle_invoke (URLContext s, RTMPPacket pkt)
static int	handle_notify (URLContext s, RTMPPacket pkt)
static int	rtmp_parse_result (URLContext s, RTMPContext rt, RTMPPacket *pkt)
	Parse received packet and possibly perform some action depending on the packet contents.
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 (media data or expected status notification).
static int	rtmp_close (URLContext *h)
static int	rtmp_open (URLContext s, const char uri, int flags)
	Open RTMP connection and verify that the stream can be played.
static int	rtmp_read (URLContext s, uint8_t buf, int size)
static int	rtmp_write (URLContext s, const uint8_t buf, int size)
Variables
static const uint8_t	rtmp_player_key []
	Client key used for digest signing.
static const uint8_t	rtmp_server_key []
	Key used for RTMP server digest signing.
static const AVOption	rtmp_options []