#include "rtpdec.h"
#include "rdt.h"
-#include "rtpdec_asf.h"
+#include "rtpdec_formats.h"
//#define DEBUG
//#define DEBUG_RTP_TCP
#define SELECT_TIMEOUT_MS 100
#define READ_PACKET_TIMEOUT_S 10
#define MAX_TIMEOUTS READ_PACKET_TIMEOUT_S * 1000 / SELECT_TIMEOUT_MS
-
-#define SPACE_CHARS " \t\r\n"
-/* we use memchr() instead of strchr() here because strchr() will return
- * the terminating '\0' of SPACE_CHARS instead of NULL if c is '\0'. */
-#define redir_isspace(c) memchr(SPACE_CHARS, c, 4)
-static void skip_spaces(const char **pp)
-{
- const char *p;
- p = *pp;
- while (redir_isspace(*p))
- p++;
- *pp = p;
-}
+#define SDP_MAX_SIZE 16384
static void get_word_until_chars(char *buf, int buf_size,
const char *sep, const char **pp)
char *q;
p = *pp;
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
q = buf;
while (!strchr(sep, *p) && *p != '\0') {
if ((q - buf) < buf_size - 1)
return 0;
}
-/* return the length and optionally the data */
-static int hex_to_data(uint8_t *data, const char *p)
-{
- int c, len, v;
-
- len = 0;
- v = 1;
- for (;;) {
- skip_spaces(&p);
- if (*p == '\0')
- break;
- c = toupper((unsigned char) *p++);
- if (c >= '0' && c <= '9')
- c = c - '0';
- else if (c >= 'A' && c <= 'F')
- c = c - 'A' + 10;
- else
- break;
- v = (v << 4) | c;
- if (v & 0x100) {
- if (data)
- data[len] = v;
- len++;
- v = 1;
- }
- }
- return len;
-}
-
-static void sdp_parse_fmtp_config(AVCodecContext * codec, void *ctx,
- char *attr, char *value)
-{
- switch (codec->codec_id) {
- case CODEC_ID_MPEG4:
- case CODEC_ID_AAC:
- if (!strcmp(attr, "config")) {
- /* decode the hexa encoded parameter */
- int len = hex_to_data(NULL, value);
- if (codec->extradata)
- av_free(codec->extradata);
- codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!codec->extradata)
- return;
- codec->extradata_size = len;
- hex_to_data(codec->extradata, value);
- }
- break;
- default:
- break;
- }
- return;
-}
-
-typedef struct {
- const char *str;
- uint16_t type;
- uint32_t offset;
-} AttrNameMap;
-
-/* All known fmtp parameters and the corresponding RTPAttrTypeEnum */
-#define ATTR_NAME_TYPE_INT 0
-#define ATTR_NAME_TYPE_STR 1
-static const AttrNameMap attr_names[]=
-{
- { "SizeLength", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, sizelength) },
- { "IndexLength", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, indexlength) },
- { "IndexDeltaLength", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, indexdeltalength) },
- { "profile-level-id", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, profile_level_id) },
- { "StreamType", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, streamtype) },
- { "mode", ATTR_NAME_TYPE_STR,
- offsetof(RTPPayloadData, mode) },
- { NULL, -1, -1 },
-};
-
/* parse the attribute line from the fmtp a line of an sdp response. This
* is broken out as a function because it is used in rtp_h264.c, which is
* forthcoming. */
int ff_rtsp_next_attr_and_value(const char **p, char *attr, int attr_size,
char *value, int value_size)
{
- skip_spaces(p);
+ *p += strspn(*p, SPACE_CHARS);
if (**p) {
get_word_sep(attr, attr_size, "=", p);
if (**p == '=')
return 0;
}
-/* parse a SDP line and save stream attributes */
-static void sdp_parse_fmtp(AVStream *st, const char *p)
-{
- char attr[256];
- char value[4096];
- int i;
- RTSPStream *rtsp_st = st->priv_data;
- AVCodecContext *codec = st->codec;
- RTPPayloadData *rtp_payload_data = &rtsp_st->rtp_payload_data;
-
- /* loop on each attribute */
- while (ff_rtsp_next_attr_and_value(&p, attr, sizeof(attr),
- value, sizeof(value))) {
- /* grab the codec extra_data from the config parameter of the fmtp
- * line */
- sdp_parse_fmtp_config(codec, rtsp_st->dynamic_protocol_context,
- attr, value);
- /* Looking for a known attribute */
- for (i = 0; attr_names[i].str; ++i) {
- if (!strcasecmp(attr, attr_names[i].str)) {
- if (attr_names[i].type == ATTR_NAME_TYPE_INT) {
- *(int *)((char *)rtp_payload_data +
- attr_names[i].offset) = atoi(value);
- } else if (attr_names[i].type == ATTR_NAME_TYPE_STR)
- *(char **)((char *)rtp_payload_data +
- attr_names[i].offset) = av_strdup(value);
- }
- }
- }
-}
-
/** Parse a string p in the form of Range:npt=xx-xx, and determine the start
* and end time.
* Used for seeking in the rtp stream.
{
char buf[256];
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
if (!av_stristart(p, "npt=", &p))
return;
rtsp_st = st->priv_data;
/* XXX: may need to add full url resolution */
- ff_url_split(proto, sizeof(proto), NULL, 0, NULL, 0,
+ av_url_split(proto, sizeof(proto), NULL, 0, NULL, 0,
NULL, NULL, 0, p);
if (proto[0] == '\0') {
/* relative control URL */
st = s->streams[s->nb_streams - 1];
rtsp_st = st->priv_data;
sdp_parse_rtpmap(s, st->codec, rtsp_st, payload_type, p);
- } else if (av_strstart(p, "fmtp:", &p)) {
+ } else if (av_strstart(p, "fmtp:", &p) ||
+ av_strstart(p, "framesize:", &p)) {
/* NOTE: fmtp is only supported AFTER the 'a=rtpmap:xxx' tag */
- get_word(buf1, sizeof(buf1), &p);
- payload_type = atoi(buf1);
- for (i = 0; i < s->nb_streams; i++) {
- st = s->streams[i];
- rtsp_st = st->priv_data;
- if (rtsp_st->sdp_payload_type == payload_type) {
- if (!(rtsp_st->dynamic_handler &&
- rtsp_st->dynamic_handler->parse_sdp_a_line &&
- rtsp_st->dynamic_handler->parse_sdp_a_line(s,
- i, rtsp_st->dynamic_protocol_context, buf)))
- sdp_parse_fmtp(st, p);
- }
- }
- } else if (av_strstart(p, "framesize:", &p)) {
// let dynamic protocol handlers have a stab at the line.
get_word(buf1, sizeof(buf1), &p);
payload_type = atoi(buf1);
memset(s1, 0, sizeof(SDPParseState));
p = content;
for (;;) {
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
letter = *p;
if (letter == '\0')
break;
rtsp_st->dynamic_handler);
else
rtsp_st->transport_priv = rtp_parse_open(s, st, rtsp_st->rtp_handle,
- rtsp_st->sdp_payload_type,
- &rtsp_st->rtp_payload_data);
+ rtsp_st->sdp_payload_type);
if (!rtsp_st->transport_priv) {
return AVERROR(ENOMEM);
int v;
p = *pp;
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
v = strtol(p, (char **)&p, 10);
if (*p == '-') {
p++;
reply->nb_transports = 0;
for (;;) {
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
if (*p == '\0')
break;
} else if (av_stristart(p, "Range:", &p)) {
rtsp_parse_range_npt(p, &reply->range_start, &reply->range_end);
} else if (av_stristart(p, "RealChallenge1:", &p)) {
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
av_strlcpy(reply->real_challenge, p, sizeof(reply->real_challenge));
} else if (av_stristart(p, "Server:", &p)) {
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
av_strlcpy(reply->server, p, sizeof(reply->server));
} else if (av_stristart(p, "Notice:", &p) ||
av_stristart(p, "X-Notice:", &p)) {
reply->notice = strtol(p, NULL, 10);
} else if (av_stristart(p, "Location:", &p)) {
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
av_strlcpy(reply->location, p , sizeof(reply->location));
} else if (av_stristart(p, "WWW-Authenticate:", &p) && auth_state) {
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
ff_http_auth_handle_header(auth_state, "WWW-Authenticate", p);
} else if (av_stristart(p, "Authentication-Info:", &p) && auth_state) {
- skip_spaces(&p);
+ p += strspn(p, SPACE_CHARS);
ff_http_auth_handle_header(auth_state, "Authentication-Info", p);
}
}
get_word(buf1, sizeof(buf1), &p);
get_word(buf1, sizeof(buf1), &p);
reply->status_code = atoi(buf1);
+ av_strlcpy(reply->reason, p, sizeof(reply->reason));
} else {
ff_rtsp_parse_line(reply, p, &rt->auth_state);
av_strlcat(rt->last_reply, p, sizeof(rt->last_reply));
rt->auth_state.auth_type != HTTP_AUTH_NONE)
goto retry;
+ if (reply->status_code > 400){
+ av_log(s, AV_LOG_ERROR, "method %s failed: %d%s\n",
+ method,
+ reply->status_code,
+ reply->reason);
+ av_log(s, AV_LOG_DEBUG, "%s\n", rt->last_reply);
+ }
+
return 0;
}
rt->transport = reply->transports[0].transport;
}
- /* close RTP connection if not choosen */
+ /* close RTP connection if not chosen */
if (reply->transports[0].lower_transport != RTSP_LOWER_TRANSPORT_UDP &&
(lower_transport == RTSP_LOWER_TRANSPORT_UDP)) {
url_close(rtsp_st->rtp_handle);
rt->start_time = av_gettime();
/* Announce the stream */
- sdp = av_mallocz(8192);
+ sdp = av_mallocz(SDP_MAX_SIZE);
if (sdp == NULL)
return AVERROR(ENOMEM);
/* We create the SDP based on the RTSP AVFormatContext where we
ff_url_join(sdp_ctx.filename, sizeof(sdp_ctx.filename),
"rtsp", NULL, addr, -1, NULL);
ctx_array[0] = &sdp_ctx;
- if (avf_sdp_create(ctx_array, 1, sdp, 8192)) {
+ if (avf_sdp_create(ctx_array, 1, sdp, SDP_MAX_SIZE)) {
av_free(sdp);
return AVERROR_INVALIDDATA;
}
RTSPState *rt = s->priv_data;
if (rt->rtsp_hd_out != rt->rtsp_hd) url_close(rt->rtsp_hd_out);
url_close(rt->rtsp_hd);
+ rt->rtsp_hd = rt->rtsp_hd_out = NULL;
}
int ff_rtsp_connect(AVFormatContext *s)
RTSPState *rt = s->priv_data;
char host[1024], path[1024], tcpname[1024], cmd[2048], auth[128];
char *option_list, *option, *filename;
- URLContext *rtsp_hd, *rtsp_hd_out;
int port, err, tcp_fd;
- RTSPMessageHeader reply1 = {}, *reply = &reply1;
+ RTSPMessageHeader reply1 = {0}, *reply = &reply1;
int lower_transport_mask = 0;
char real_challenge[64];
struct sockaddr_storage peer;
redirect:
rt->control_transport = RTSP_MODE_PLAIN;
/* extract hostname and port */
- ff_url_split(NULL, 0, auth, sizeof(auth),
+ av_url_split(NULL, 0, auth, sizeof(auth),
host, sizeof(host), &port, path, sizeof(path), s->filename);
if (*auth) {
av_strlcpy(rt->auth, auth, sizeof(rt->auth));
char sessioncookie[17];
char headers[1024];
- ff_url_join(httpname, sizeof(httpname), "http", NULL, host, port, "%s", path);
+ ff_url_join(httpname, sizeof(httpname), "http", auth, host, port, "%s", path);
snprintf(sessioncookie, sizeof(sessioncookie), "%08x%08x",
av_get_random_seed(), av_get_random_seed());
/* GET requests */
- if (url_open(&rtsp_hd, httpname, URL_RDONLY) < 0) {
+ if (url_alloc(&rt->rtsp_hd, httpname, URL_RDONLY) < 0) {
err = AVERROR(EIO);
goto fail;
}
"Pragma: no-cache\r\n"
"Cache-Control: no-cache\r\n",
sessioncookie);
- ff_http_set_headers(rtsp_hd, headers);
+ ff_http_set_headers(rt->rtsp_hd, headers);
/* complete the connection */
- if (url_read(rtsp_hd, NULL, 0)) {
+ if (url_connect(rt->rtsp_hd)) {
err = AVERROR(EIO);
goto fail;
}
/* POST requests */
- if (url_open(&rtsp_hd_out, httpname, URL_WRONLY) < 0 ) {
+ if (url_alloc(&rt->rtsp_hd_out, httpname, URL_WRONLY) < 0 ) {
err = AVERROR(EIO);
goto fail;
}
"Content-Length: 32767\r\n"
"Expires: Sun, 9 Jan 1972 00:00:00 GMT\r\n",
sessioncookie);
- ff_http_set_headers(rtsp_hd_out, headers);
- ff_http_set_chunked_transfer_encoding(rtsp_hd_out, 0);
+ ff_http_set_headers(rt->rtsp_hd_out, headers);
+ ff_http_set_chunked_transfer_encoding(rt->rtsp_hd_out, 0);
+
+ /* Initialize the authentication state for the POST session. The HTTP
+ * protocol implementation doesn't properly handle multi-pass
+ * authentication for POST requests, since it would require one of
+ * the following:
+ * - implementing Expect: 100-continue, which many HTTP servers
+ * don't support anyway, even less the RTSP servers that do HTTP
+ * tunneling
+ * - sending the whole POST data until getting a 401 reply specifying
+ * what authentication method to use, then resending all that data
+ * - waiting for potential 401 replies directly after sending the
+ * POST header (waiting for some unspecified time)
+ * Therefore, we copy the full auth state, which works for both basic
+ * and digest. (For digest, we would have to synchronize the nonce
+ * count variable between the two sessions, if we'd do more requests
+ * with the original session, though.)
+ */
+ ff_http_init_auth_state(rt->rtsp_hd_out, rt->rtsp_hd);
+ /* complete the connection */
+ if (url_connect(rt->rtsp_hd_out)) {
+ err = AVERROR(EIO);
+ goto fail;
+ }
} else {
- /* open the tcp connexion */
+ /* open the tcp connection */
ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, host, port, NULL);
- if (url_open(&rtsp_hd, tcpname, URL_RDWR) < 0) {
+ if (url_open(&rt->rtsp_hd, tcpname, URL_RDWR) < 0) {
err = AVERROR(EIO);
goto fail;
}
- rtsp_hd_out = rtsp_hd;
+ rt->rtsp_hd_out = rt->rtsp_hd;
}
- rt->rtsp_hd = rtsp_hd;
- rt->rtsp_hd_out = rtsp_hd_out;
rt->seq = 0;
- tcp_fd = url_get_file_handle(rtsp_hd);
+ tcp_fd = url_get_file_handle(rt->rtsp_hd);
if (!getpeername(tcp_fd, (struct sockaddr*) &peer, &peer_len)) {
getnameinfo((struct sockaddr*) &peer, peer_len, host, sizeof(host),
NULL, 0, NI_NUMERICHOST);
static int rtsp_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
+ RTSPState *rt = s->priv_data;
int ret;
ret = ff_rtsp_connect(s);
if (ret)
return ret;
+ rt->real_setup_cache = av_mallocz(2 * s->nb_streams * sizeof(*rt->real_setup_cache));
+ if (!rt->real_setup_cache)
+ return AVERROR(ENOMEM);
+ rt->real_setup = rt->real_setup_cache + s->nb_streams * sizeof(*rt->real_setup);
+
if (ap->initial_pause) {
/* do not start immediately */
} else {
if (rt->server_type == RTSP_SERVER_REAL) {
int i;
- enum AVDiscard cache[MAX_STREAMS];
for (i = 0; i < s->nb_streams; i++)
- cache[i] = s->streams[i]->discard;
+ rt->real_setup[i] = s->streams[i]->discard;
if (!rt->need_subscription) {
- if (memcmp (cache, rt->real_setup_cache,
+ if (memcmp (rt->real_setup, rt->real_setup_cache,
sizeof(enum AVDiscard) * s->nb_streams)) {
snprintf(cmd, sizeof(cmd),
"Unsubscribe: %s\r\n",
if (rt->need_subscription) {
int r, rule_nr, first = 1;
- memcpy(rt->real_setup_cache, cache,
+ memcpy(rt->real_setup_cache, rt->real_setup,
sizeof(enum AVDiscard) * s->nb_streams);
rt->last_subscription[0] = 0;
return ret;
/* send dummy request to keep TCP connection alive */
- if ((rt->server_type == RTSP_SERVER_WMS ||
- rt->server_type == RTSP_SERVER_REAL) &&
- (av_gettime() - rt->last_cmd_time) / 1000000 >= rt->timeout / 2) {
+ if ((av_gettime() - rt->last_cmd_time) / 1000000 >= rt->timeout / 2) {
if (rt->server_type == RTSP_SERVER_WMS) {
ff_rtsp_send_cmd_async(s, "GET_PARAMETER", rt->control_uri, NULL);
} else {
ff_rtsp_close_streams(s);
ff_rtsp_close_connections(s);
ff_network_close();
+ rt->real_setup = NULL;
+ av_freep(&rt->real_setup_cache);
return 0;
}
return 0;
}
-#define SDP_MAX_SIZE 8192
-
static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
RTSPState *rt = s->priv_data;
projects / ffmpeg / blobdiff