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-rw-r--r--src/modules/rtp/headerlist.c186
-rw-r--r--src/modules/rtp/headerlist.h46
-rw-r--r--src/modules/rtp/rtsp_client.c542
-rw-r--r--src/modules/rtp/rtsp_client.h73
4 files changed, 847 insertions, 0 deletions
diff --git a/src/modules/rtp/headerlist.c b/src/modules/rtp/headerlist.c
new file mode 100644
index 00000000..0fef835b
--- /dev/null
+++ b/src/modules/rtp/headerlist.c
@@ -0,0 +1,186 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2008 Colin Guthrie
+ Copyright 2007 Lennart Poettering
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ PulseAudio 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/hashmap.h>
+#include <pulsecore/strbuf.h>
+#include <pulsecore/core-util.h>
+
+#include "headerlist.h"
+
+struct header {
+ char *key;
+ void *value;
+ size_t nbytes;
+};
+
+#define MAKE_HASHMAP(p) ((pa_hashmap*) (p))
+#define MAKE_HEADERLIST(p) ((pa_headerlist*) (p))
+
+static void header_free(struct header *hdr) {
+ pa_assert(hdr);
+
+ pa_xfree(hdr->key);
+ pa_xfree(hdr->value);
+ pa_xfree(hdr);
+}
+
+pa_headerlist* pa_headerlist_new(void) {
+ return MAKE_HEADERLIST(pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func));
+}
+
+void pa_headerlist_free(pa_headerlist* p) {
+ struct header *hdr;
+
+ while ((hdr = pa_hashmap_steal_first(MAKE_HASHMAP(p))))
+ header_free(hdr);
+
+ pa_hashmap_free(MAKE_HASHMAP(p), NULL, NULL);
+}
+
+int pa_headerlist_puts(pa_headerlist *p, const char *key, const char *value) {
+ struct header *hdr;
+ pa_bool_t add = FALSE;
+
+ pa_assert(p);
+ pa_assert(key);
+
+ if (!(hdr = pa_hashmap_get(MAKE_HASHMAP(p), key))) {
+ hdr = pa_xnew(struct header, 1);
+ hdr->key = pa_xstrdup(key);
+ add = TRUE;
+ } else
+ pa_xfree(hdr->value);
+
+ hdr->value = pa_xstrdup(value);
+ hdr->nbytes = strlen(value)+1;
+
+ if (add)
+ pa_hashmap_put(MAKE_HASHMAP(p), hdr->key, hdr);
+
+ return 0;
+}
+
+int pa_headerlist_putsappend(pa_headerlist *p, const char *key, const char *value) {
+ struct header *hdr;
+ pa_bool_t add = FALSE;
+
+ pa_assert(p);
+ pa_assert(key);
+
+ if (!(hdr = pa_hashmap_get(MAKE_HASHMAP(p), key))) {
+ hdr = pa_xnew(struct header, 1);
+ hdr->key = pa_xstrdup(key);
+ hdr->value = pa_xstrdup(value);
+ add = TRUE;
+ } else {
+ void *newval = pa_sprintf_malloc("%s%s", (char*)hdr->value, value);
+ pa_xfree(hdr->value);
+ hdr->value = newval;
+ }
+ hdr->nbytes = strlen(hdr->value)+1;
+
+ if (add)
+ pa_hashmap_put(MAKE_HASHMAP(p), hdr->key, hdr);
+
+ return 0;
+}
+
+const char *pa_headerlist_gets(pa_headerlist *p, const char *key) {
+ struct header *hdr;
+
+ pa_assert(p);
+ pa_assert(key);
+
+ if (!(hdr = pa_hashmap_get(MAKE_HASHMAP(p), key)))
+ return NULL;
+
+ if (hdr->nbytes <= 0)
+ return NULL;
+
+ if (((char*) hdr->value)[hdr->nbytes-1] != 0)
+ return NULL;
+
+ if (strlen((char*) hdr->value) != hdr->nbytes-1)
+ return NULL;
+
+ return (char*) hdr->value;
+}
+
+int pa_headerlist_remove(pa_headerlist *p, const char *key) {
+ struct header *hdr;
+
+ pa_assert(p);
+ pa_assert(key);
+
+ if (!(hdr = pa_hashmap_remove(MAKE_HASHMAP(p), key)))
+ return -1;
+
+ header_free(hdr);
+ return 0;
+}
+
+const char *pa_headerlist_iterate(pa_headerlist *p, void **state) {
+ struct header *hdr;
+
+ if (!(hdr = pa_hashmap_iterate(MAKE_HASHMAP(p), state, NULL)))
+ return NULL;
+
+ return hdr->key;
+}
+
+char *pa_headerlist_to_string(pa_headerlist *p) {
+ const char *key;
+ void *state = NULL;
+ pa_strbuf *buf;
+
+ pa_assert(p);
+
+ buf = pa_strbuf_new();
+
+ while ((key = pa_headerlist_iterate(p, &state))) {
+
+ const char *v;
+
+ if ((v = pa_headerlist_gets(p, key)))
+ pa_strbuf_printf(buf, "%s: %s\r\n", key, v);
+ }
+
+ return pa_strbuf_tostring_free(buf);
+}
+
+int pa_headerlist_contains(pa_headerlist *p, const char *key) {
+ pa_assert(p);
+ pa_assert(key);
+
+ if (!(pa_hashmap_get(MAKE_HASHMAP(p), key)))
+ return 0;
+
+ return 1;
+}
diff --git a/src/modules/rtp/headerlist.h b/src/modules/rtp/headerlist.h
new file mode 100644
index 00000000..4b9c6433
--- /dev/null
+++ b/src/modules/rtp/headerlist.h
@@ -0,0 +1,46 @@
+#ifndef foopulseheaderlisthfoo
+#define foopulseheaderlisthfoo
+
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2008 Colin Guthrie
+ Copyright 2007 Lennart Poettering
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ PulseAudio 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#include <pulsecore/macro.h>
+
+typedef struct pa_headerlist pa_headerlist;
+
+pa_headerlist* pa_headerlist_new(void);
+void pa_headerlist_free(pa_headerlist* p);
+
+int pa_headerlist_puts(pa_headerlist *p, const char *key, const char *value);
+int pa_headerlist_putsappend(pa_headerlist *p, const char *key, const char *value);
+
+const char *pa_headerlist_gets(pa_headerlist *p, const char *key);
+
+int pa_headerlist_remove(pa_headerlist *p, const char *key);
+
+const char *pa_headerlist_iterate(pa_headerlist *p, void **state);
+
+char *pa_headerlist_to_string(pa_headerlist *p);
+
+int pa_headerlist_contains(pa_headerlist *p, const char *key);
+
+#endif
diff --git a/src/modules/rtp/rtsp_client.c b/src/modules/rtp/rtsp_client.c
new file mode 100644
index 00000000..9eb3d964
--- /dev/null
+++ b/src/modules/rtp/rtsp_client.c
@@ -0,0 +1,542 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2008 Colin Guthrie
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio 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 Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+
+#ifdef HAVE_SYS_FILIO_H
+#include <sys/filio.h>
+#endif
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/core-error.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/socket-util.h>
+#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/strbuf.h>
+#include <pulsecore/poll.h>
+#include <pulsecore/ioline.h>
+
+#include "rtsp_client.h"
+
+struct pa_rtsp_client {
+ pa_mainloop_api *mainloop;
+ char *hostname;
+ uint16_t port;
+
+ pa_socket_client *sc;
+ pa_iochannel *io;
+ pa_ioline *ioline;
+
+ pa_rtsp_cb_t callback;
+
+ void *userdata;
+ const char *useragent;
+
+ pa_rtsp_state state;
+ uint8_t waiting;
+
+ pa_headerlist* headers;
+ char *last_header;
+ pa_strbuf *header_buffer;
+ pa_headerlist* response_headers;
+
+ char *localip;
+ char *url;
+ uint16_t rtp_port;
+ uint32_t cseq;
+ char *session;
+ char *transport;
+};
+
+pa_rtsp_client* pa_rtsp_client_new(pa_mainloop_api *mainloop, const char* hostname, uint16_t port, const char* useragent) {
+ pa_rtsp_client *c;
+
+ pa_assert(mainloop);
+ pa_assert(hostname);
+ pa_assert(port > 0);
+
+ c = pa_xnew0(pa_rtsp_client, 1);
+ c->mainloop = mainloop;
+ c->hostname = pa_xstrdup(hostname);
+ c->port = port;
+ c->headers = pa_headerlist_new();
+
+ if (useragent)
+ c->useragent = useragent;
+ else
+ c->useragent = "PulseAudio RTSP Client";
+
+ return c;
+}
+
+
+void pa_rtsp_client_free(pa_rtsp_client* c) {
+ if (c) {
+ if (c->sc)
+ pa_socket_client_unref(c->sc);
+ if (c->ioline)
+ pa_ioline_close(c->ioline);
+ else if (c->io)
+ pa_iochannel_free(c->io);
+
+ pa_xfree(c->hostname);
+ pa_xfree(c->url);
+ pa_xfree(c->localip);
+ pa_xfree(c->session);
+ pa_xfree(c->transport);
+ pa_xfree(c->last_header);
+ if (c->header_buffer)
+ pa_strbuf_free(c->header_buffer);
+ if (c->response_headers)
+ pa_headerlist_free(c->response_headers);
+ pa_headerlist_free(c->headers);
+ }
+ pa_xfree(c);
+}
+
+
+static void headers_read(pa_rtsp_client *c) {
+ char* token;
+ char delimiters[] = ";";
+
+ pa_assert(c);
+ pa_assert(c->response_headers);
+ pa_assert(c->callback);
+
+ /* Deal with a SETUP response */
+ if (STATE_SETUP == c->state) {
+ const char* token_state = NULL;
+ const char* pc = NULL;
+ c->session = pa_xstrdup(pa_headerlist_gets(c->response_headers, "Session"));
+ c->transport = pa_xstrdup(pa_headerlist_gets(c->response_headers, "Transport"));
+
+ if (!c->session || !c->transport) {
+ pa_headerlist_free(c->response_headers);
+ c->response_headers = NULL;
+ pa_log("Invalid SETUP response.");
+ return;
+ }
+
+ /* Now parse out the server port component of the response. */
+ while ((token = pa_split(c->transport, delimiters, &token_state))) {
+ if ((pc = strstr(token, "="))) {
+ if (0 == strncmp(token, "server_port", 11)) {
+ pa_atou(pc+1, (uint32_t*)(&c->rtp_port));
+ pa_xfree(token);
+ break;
+ }
+ }
+ pa_xfree(token);
+ }
+ if (0 == c->rtp_port) {
+ /* Error no server_port in response */
+ pa_headerlist_free(c->response_headers);
+ c->response_headers = NULL;
+ pa_log("Invalid SETUP response (no port number).");
+ return;
+ }
+ }
+
+ /* Call our callback */
+ c->callback(c, c->state, c->response_headers, c->userdata);
+
+ pa_headerlist_free(c->response_headers);
+ c->response_headers = NULL;
+}
+
+
+static void line_callback(pa_ioline *line, const char *s, void *userdata) {
+ char *delimpos;
+ char *s2, *s2p;
+
+ pa_rtsp_client *c = userdata;
+ pa_assert(line);
+ pa_assert(c);
+ pa_assert(c->callback);
+
+ if (!s) {
+ /* Keep the ioline/iochannel open as they will be freed automatically */
+ c->ioline = NULL;
+ c->io = NULL;
+ c->callback(c, STATE_DISCONNECTED, NULL, c->userdata);
+ return;
+ }
+
+ s2 = pa_xstrdup(s);
+ /* Trim trailing carriage returns */
+ s2p = s2 + strlen(s2) - 1;
+ while (s2p >= s2 && '\r' == *s2p) {
+ *s2p = '\0';
+ s2p -= 1;
+ }
+ if (c->waiting && 0 == strcmp("RTSP/1.0 200 OK", s2)) {
+ c->waiting = 0;
+ pa_assert(!c->response_headers);
+ c->response_headers = pa_headerlist_new();
+ goto exit;
+ }
+ if (c->waiting) {
+ pa_log_warn("Unexpected response: %s", s2);
+ goto exit;;
+ }
+ if (!strlen(s2)) {
+ /* End of headers */
+ /* We will have a header left from our looping itteration, so add it in :) */
+ if (c->last_header) {
+ /* This is not a continuation header so let's dump it into our proplist */
+ pa_headerlist_puts(c->response_headers, c->last_header, pa_strbuf_tostring_free(c->header_buffer));
+ pa_xfree(c->last_header);
+ c->last_header = NULL;
+ c->header_buffer= NULL;
+ }
+
+ pa_log_debug("Full response received. Dispatching");
+ headers_read(c);
+ c->waiting = 1;
+ goto exit;
+ }
+
+ /* Read and parse a header (we know it's not empty) */
+ /* TODO: Move header reading into the headerlist. */
+
+ /* If the first character is a space, it's a continuation header */
+ if (c->last_header && ' ' == s2[0]) {
+ pa_assert(c->header_buffer);
+
+ /* Add this line to the buffer (sans the space. */
+ pa_strbuf_puts(c->header_buffer, &(s2[1]));
+ goto exit;
+ }
+
+ if (c->last_header) {
+ /* This is not a continuation header so let's dump the full
+ header/value into our proplist */
+ pa_headerlist_puts(c->response_headers, c->last_header, pa_strbuf_tostring_free(c->header_buffer));
+ pa_xfree(c->last_header);
+ c->last_header = NULL;
+ c->header_buffer = NULL;
+ }
+
+ delimpos = strstr(s2, ":");
+ if (!delimpos) {
+ pa_log_warn("Unexpected response when expecting header: %s", s);
+ goto exit;
+ }
+
+ pa_assert(!c->header_buffer);
+ pa_assert(!c->last_header);
+
+ c->header_buffer = pa_strbuf_new();
+ if (strlen(delimpos) > 1) {
+ /* Cut our line off so we can copy the header name out */
+ *delimpos++ = '\0';
+
+ /* Trim the front of any spaces */
+ while (' ' == *delimpos)
+ ++delimpos;
+
+ pa_strbuf_puts(c->header_buffer, delimpos);
+ } else {
+ /* Cut our line off so we can copy the header name out */
+ *delimpos = '\0';
+ }
+
+ /* Save the header name */
+ c->last_header = pa_xstrdup(s2);
+ exit:
+ pa_xfree(s2);
+}
+
+
+static void on_connection(pa_socket_client *sc, pa_iochannel *io, void *userdata) {
+ pa_rtsp_client *c = userdata;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in in;
+ struct sockaddr_in6 in6;
+ } sa;
+ socklen_t sa_len = sizeof(sa);
+
+ pa_assert(sc);
+ pa_assert(c);
+ pa_assert(STATE_CONNECT == c->state);
+ pa_assert(c->sc == sc);
+ pa_socket_client_unref(c->sc);
+ c->sc = NULL;
+
+ if (!io) {
+ pa_log("Connection failed: %s", pa_cstrerror(errno));
+ return;
+ }
+ pa_assert(!c->io);
+ c->io = io;
+
+ c->ioline = pa_ioline_new(io);
+ pa_ioline_set_callback(c->ioline, line_callback, c);
+
+ /* Get the local IP address for use externally */
+ if (0 == getsockname(pa_iochannel_get_recv_fd(io), &sa.sa, &sa_len)) {
+ char buf[INET6_ADDRSTRLEN];
+ const char *res = NULL;
+
+ if (AF_INET == sa.sa.sa_family) {
+ if ((res = inet_ntop(sa.sa.sa_family, &sa.in.sin_addr, buf, sizeof(buf)))) {
+ c->localip = pa_xstrdup(res);
+ }
+ } else if (AF_INET6 == sa.sa.sa_family) {
+ if ((res = inet_ntop(AF_INET6, &sa.in6.sin6_addr, buf, sizeof(buf)))) {
+ c->localip = pa_sprintf_malloc("[%s]", res);
+ }
+ }
+ }
+ pa_log_debug("Established RTSP connection from local ip %s", c->localip);
+
+ if (c->callback)
+ c->callback(c, c->state, NULL, c->userdata);
+}
+
+int pa_rtsp_connect(pa_rtsp_client *c) {
+ pa_assert(c);
+ pa_assert(!c->sc);
+
+ pa_xfree(c->session);
+ c->session = NULL;
+
+ if (!(c->sc = pa_socket_client_new_string(c->mainloop, c->hostname, c->port))) {
+ pa_log("failed to connect to server '%s:%d'", c->hostname, c->port);
+ return -1;
+ }
+
+ pa_socket_client_set_callback(c->sc, on_connection, c);
+ c->waiting = 1;
+ c->state = STATE_CONNECT;
+ return 0;
+}
+
+void pa_rtsp_set_callback(pa_rtsp_client *c, pa_rtsp_cb_t callback, void *userdata) {
+ pa_assert(c);
+
+ c->callback = callback;
+ c->userdata = userdata;
+}
+
+void pa_rtsp_disconnect(pa_rtsp_client *c) {
+ pa_assert(c);
+
+ if (c->io)
+ pa_iochannel_free(c->io);
+ c->io = NULL;
+}
+
+
+const char* pa_rtsp_localip(pa_rtsp_client* c) {
+ pa_assert(c);
+
+ return c->localip;
+}
+
+uint32_t pa_rtsp_serverport(pa_rtsp_client* c) {
+ pa_assert(c);
+
+ return c->rtp_port;
+}
+
+void pa_rtsp_set_url(pa_rtsp_client* c, const char* url) {
+ pa_assert(c);
+
+ c->url = pa_xstrdup(url);
+}
+
+void pa_rtsp_add_header(pa_rtsp_client *c, const char* key, const char* value)
+{
+ pa_assert(c);
+ pa_assert(key);
+ pa_assert(value);
+
+ pa_headerlist_puts(c->headers, key, value);
+}
+
+void pa_rtsp_remove_header(pa_rtsp_client *c, const char* key)
+{
+ pa_assert(c);
+ pa_assert(key);
+
+ pa_headerlist_remove(c->headers, key);
+}
+
+static int rtsp_exec(pa_rtsp_client* c, const char* cmd,
+ const char* content_type, const char* content,
+ int expect_response,
+ pa_headerlist* headers) {
+ pa_strbuf* buf;
+ char* hdrs;
+ ssize_t l;
+
+ pa_assert(c);
+ pa_assert(c->url);
+
+ if (!cmd)
+ return -1;
+
+ pa_log_debug("Sending command: %s", cmd);
+
+ buf = pa_strbuf_new();
+ pa_strbuf_printf(buf, "%s %s RTSP/1.0\r\nCSeq: %d\r\n", cmd, c->url, ++c->cseq);
+ if (c->session)
+ pa_strbuf_printf(buf, "Session: %s\r\n", c->session);
+
+ /* Add the headers */
+ if (headers) {
+ hdrs = pa_headerlist_to_string(headers);
+ pa_strbuf_puts(buf, hdrs);
+ pa_xfree(hdrs);
+ }
+
+ if (content_type && content) {
+ pa_strbuf_printf(buf, "Content-Type: %s\r\nContent-Length: %d\r\n",
+ content_type, (int)strlen(content));
+ }
+
+ pa_strbuf_printf(buf, "User-Agent: %s\r\n", c->useragent);
+
+ if (c->headers) {
+ hdrs = pa_headerlist_to_string(c->headers);
+ pa_strbuf_puts(buf, hdrs);
+ pa_xfree(hdrs);
+ }
+
+ pa_strbuf_puts(buf, "\r\n");
+
+ if (content_type && content) {
+ pa_strbuf_puts(buf, content);
+ }
+
+ /* Our packet is created... now we can send it :) */
+ hdrs = pa_strbuf_tostring_free(buf);
+ /*pa_log_debug("Submitting request:");
+ pa_log_debug(hdrs);*/
+ l = pa_iochannel_write(c->io, hdrs, strlen(hdrs));
+ pa_xfree(hdrs);
+
+ return 0;
+}
+
+
+int pa_rtsp_announce(pa_rtsp_client *c, const char* sdp) {
+ pa_assert(c);
+ if (!sdp)
+ return -1;
+
+ c->state = STATE_ANNOUNCE;
+ return rtsp_exec(c, "ANNOUNCE", "application/sdp", sdp, 1, NULL);
+}
+
+
+int pa_rtsp_setup(pa_rtsp_client* c) {
+ pa_headerlist* headers;
+ int rv;
+
+ pa_assert(c);
+
+ headers = pa_headerlist_new();
+ pa_headerlist_puts(headers, "Transport", "RTP/AVP/TCP;unicast;interleaved=0-1;mode=record");
+
+ c->state = STATE_SETUP;
+ rv = rtsp_exec(c, "SETUP", NULL, NULL, 1, headers);
+ pa_headerlist_free(headers);
+ return rv;
+}
+
+
+int pa_rtsp_record(pa_rtsp_client* c, uint16_t* seq, uint32_t* rtptime) {
+ pa_headerlist* headers;
+ int rv;
+ char *info;
+
+ pa_assert(c);
+ if (!c->session) {
+ /* No seesion in progres */
+ return -1;
+ }
+
+ /* Todo: Generate these values randomly as per spec */
+ *seq = *rtptime = 0;
+
+ headers = pa_headerlist_new();
+ pa_headerlist_puts(headers, "Range", "npt=0-");
+ info = pa_sprintf_malloc("seq=%u;rtptime=%u", *seq, *rtptime);
+ pa_headerlist_puts(headers, "RTP-Info", info);
+ pa_xfree(info);
+
+ c->state = STATE_RECORD;
+ rv = rtsp_exec(c, "RECORD", NULL, NULL, 1, headers);
+ pa_headerlist_free(headers);
+ return rv;
+}
+
+
+int pa_rtsp_teardown(pa_rtsp_client *c) {
+ pa_assert(c);
+
+ c->state = STATE_TEARDOWN;
+ return rtsp_exec(c, "TEARDOWN", NULL, NULL, 0, NULL);
+}
+
+
+int pa_rtsp_setparameter(pa_rtsp_client *c, const char* param) {
+ pa_assert(c);
+ if (!param)
+ return -1;
+
+ c->state = STATE_SET_PARAMETER;
+ return rtsp_exec(c, "SET_PARAMETER", "text/parameters", param, 1, NULL);
+}
+
+
+int pa_rtsp_flush(pa_rtsp_client *c, uint16_t seq, uint32_t rtptime) {
+ pa_headerlist* headers;
+ int rv;
+ char *info;
+
+ pa_assert(c);
+
+ headers = pa_headerlist_new();
+ info = pa_sprintf_malloc("seq=%u;rtptime=%u", seq, rtptime);
+ pa_headerlist_puts(headers, "RTP-Info", info);
+ pa_xfree(info);
+
+ c->state = STATE_FLUSH;
+ rv = rtsp_exec(c, "FLUSH", NULL, NULL, 1, headers);
+ pa_headerlist_free(headers);
+ return rv;
+}
diff --git a/src/modules/rtp/rtsp_client.h b/src/modules/rtp/rtsp_client.h
new file mode 100644
index 00000000..88fb3839
--- /dev/null
+++ b/src/modules/rtp/rtsp_client.h
@@ -0,0 +1,73 @@
+#ifndef foortspclienthfoo
+#define foortspclienthfoo
+
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2008 Colin Guthrie
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio 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 Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#include <inttypes.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netdb.h>
+
+#include <pulsecore/memblockq.h>
+#include <pulsecore/memchunk.h>
+#include <pulsecore/socket-client.h>
+#include <pulse/mainloop-api.h>
+
+#include "headerlist.h"
+
+typedef struct pa_rtsp_client pa_rtsp_client;
+typedef enum {
+ STATE_CONNECT,
+ STATE_ANNOUNCE,
+ STATE_SETUP,
+ STATE_RECORD,
+ STATE_FLUSH,
+ STATE_TEARDOWN,
+ STATE_SET_PARAMETER,
+ STATE_DISCONNECTED
+} pa_rtsp_state;
+typedef void (*pa_rtsp_cb_t)(pa_rtsp_client *c, pa_rtsp_state state, pa_headerlist* hl, void *userdata);
+
+pa_rtsp_client* pa_rtsp_client_new(pa_mainloop_api *mainloop, const char* hostname, uint16_t port, const char* useragent);
+void pa_rtsp_client_free(pa_rtsp_client* c);
+
+int pa_rtsp_connect(pa_rtsp_client* c);
+void pa_rtsp_set_callback(pa_rtsp_client *c, pa_rtsp_cb_t callback, void *userdata);
+
+void pa_rtsp_disconnect(pa_rtsp_client* c);
+
+const char* pa_rtsp_localip(pa_rtsp_client* c);
+uint32_t pa_rtsp_serverport(pa_rtsp_client* c);
+void pa_rtsp_set_url(pa_rtsp_client* c, const char* url);
+void pa_rtsp_add_header(pa_rtsp_client *c, const char* key, const char* value);
+void pa_rtsp_remove_header(pa_rtsp_client *c, const char* key);
+
+int pa_rtsp_announce(pa_rtsp_client* c, const char* sdp);
+
+int pa_rtsp_setup(pa_rtsp_client* c);
+int pa_rtsp_record(pa_rtsp_client* c, uint16_t* seq, uint32_t* rtptime);
+int pa_rtsp_teardown(pa_rtsp_client* c);
+
+int pa_rtsp_setparameter(pa_rtsp_client* c, const char* param);
+int pa_rtsp_flush(pa_rtsp_client* c, uint16_t seq, uint32_t rtptime);
+
+#endif
generated by cgit (git 2.34.1) at 2024-11-14 15:23:56 +0000