]> rtime.felk.cvut.cz Git - frescor/ffmpeg.git/blobdiff - ffserver.c
WMA: extend exponent range to 95
[frescor/ffmpeg.git] / ffserver.c
index f7d00eabf376abb66ddbfa0356f9823ebc360c06..7abaed885b2ce59e1c77d46d9f2f113a289df396 100644 (file)
 #define _XOPEN_SOURCE 600
 
 #include "config.h"
-#ifndef HAVE_CLOSESOCKET
+#if !HAVE_CLOSESOCKET
 #define closesocket close
 #endif
 #include <string.h>
 #include <strings.h>
 #include <stdlib.h>
-#include "libavutil/random.h"
-#include "libavutil/avstring.h"
+/* avformat.h defines LIBAVFORMAT_BUILD, include it before all the other libav* headers which use it */
 #include "libavformat/avformat.h"
 #include "libavformat/network.h"
 #include "libavformat/os_support.h"
-#include "libavformat/rtp.h"
+#include "libavformat/rtpdec.h"
 #include "libavformat/rtsp.h"
+#include "libavutil/avstring.h"
+#include "libavutil/lfg.h"
+#include "libavutil/random_seed.h"
+#include "libavutil/intreadwrite.h"
 #include "libavcodec/opt.h"
 #include <stdarg.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
-#ifdef HAVE_POLL_H
+#if HAVE_POLL_H
 #include <poll.h>
 #endif
 #include <errno.h>
@@ -49,7 +52,7 @@
 #include <time.h>
 #include <sys/wait.h>
 #include <signal.h>
-#ifdef HAVE_DLFCN_H
+#if HAVE_DLFCN_H
 #include <dlfcn.h>
 #endif
 
@@ -101,6 +104,11 @@ static const char *http_state[] = {
 
 #define SYNC_TIMEOUT (10 * 1000)
 
+typedef struct RTSPActionServerSetup {
+    uint32_t ipaddr;
+    char transport_option[512];
+} RTSPActionServerSetup;
+
 typedef struct {
     int64_t count1, count2;
     int64_t time1, time2;
@@ -157,7 +165,7 @@ typedef struct HTTPContext {
     int seq; /* RTSP sequence number */
 
     /* RTP state specific */
-    enum RTSPProtocol rtp_protocol;
+    enum RTSPLowerTransport rtp_protocol;
     char session_id[32]; /* session id */
     AVFormatContext *rtp_ctx[MAX_STREAMS];
 
@@ -229,6 +237,7 @@ typedef struct FFStream {
     int feed_opened;     /* true if someone is writing to the feed */
     int is_feed;         /* true if it is a feed */
     int readonly;        /* True if writing is prohibited to the file */
+    int truncate;        /* True if feeder connection truncate the feed file */
     int conns_served;
     int64_t bytes_served;
     int64_t feed_max_size;      /* maximum storage size, zero means unlimited */
@@ -266,10 +275,10 @@ static int http_receive_data(HTTPContext *c);
 static int rtsp_parse_request(HTTPContext *c);
 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
 static void rtsp_cmd_options(HTTPContext *c, const char *url);
-static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
-static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
-static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
-static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
+static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPMessageHeader *h);
+static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h);
+static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h);
+static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h);
 
 /* SDP handling */
 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
@@ -278,7 +287,7 @@ static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
 /* RTP handling */
 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
                                        FFStream *stream, const char *session_id,
-                                       enum RTSPProtocol rtp_protocol);
+                                       enum RTSPLowerTransport rtp_protocol);
 static int rtp_new_av_stream(HTTPContext *c,
                              int stream_index, struct sockaddr_in *dest_addr,
                              HTTPContext *rtsp_c);
@@ -294,15 +303,15 @@ static int need_to_start_children;
 
 /* maximum number of simultaneous HTTP connections */
 static unsigned int nb_max_http_connections = 2000;
-static int nb_max_connections = 5;
-static int nb_connections;
+static unsigned int nb_max_connections = 5;
+static unsigned int nb_connections;
 
 static uint64_t max_bandwidth = 1000;
 static uint64_t current_bandwidth;
 
 static int64_t cur_time;           // Making this global saves on passing it around everywhere
 
-static AVRandomState random_state;
+static AVLFG random_state;
 
 static FILE *logfile = NULL;
 
@@ -347,7 +356,7 @@ static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
 {
     static int print_prefix = 1;
     AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
-    if (level > av_log_level)
+    if (level > av_log_get_level())
         return;
     if (print_prefix && avc)
         http_log("[%s @ %p]", avc->item_name(ptr), ptr);
@@ -496,7 +505,7 @@ static void start_multicast(void)
         if (stream->is_multicast) {
             /* open the RTP connection */
             snprintf(session_id, sizeof(session_id), "%08x%08x",
-                     av_random(&random_state), av_random(&random_state));
+                     av_lfg_get(&random_state), av_lfg_get(&random_state));
 
             /* choose a port if none given */
             if (stream->multicast_port == 0) {
@@ -509,7 +518,7 @@ static void start_multicast(void)
             dest_addr.sin_port = htons(stream->multicast_port);
 
             rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
-                                       RTSP_PROTOCOL_RTP_UDP_MULTICAST);
+                                       RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
             if (!rtp_c)
                 continue;
 
@@ -545,7 +554,7 @@ static int http_server(void)
     struct pollfd *poll_table, *poll_entry;
     HTTPContext *c, *c_next;
 
-    if(!(poll_table = av_mallocz(nb_max_http_connections + 2))) {
+    if(!(poll_table = av_mallocz((nb_max_http_connections + 2)*sizeof(*poll_table)))) {
         http_log("Impossible to allocate a poll table handling %d connections.\n", nb_max_http_connections);
         return -1;
     }
@@ -567,7 +576,7 @@ static int http_server(void)
         return -1;
     }
 
-    http_log("ffserver started.\n");
+    http_log("FFserver started.\n");
 
     start_children(first_feed);
 
@@ -692,6 +701,22 @@ static void start_wait_request(HTTPContext *c, int is_rtsp)
     }
 }
 
+static void http_send_too_busy_reply(int fd)
+{
+    char buffer[300];
+    int len = snprintf(buffer, sizeof(buffer),
+                       "HTTP/1.0 200 Server too busy\r\n"
+                       "Content-type: text/html\r\n"
+                       "\r\n"
+                       "<html><head><title>Too busy</title></head><body>\r\n"
+                       "<p>The server is too busy to serve your request at this time.</p>\r\n"
+                       "<p>The number of current connections is %d, and this exceeds the limit of %d.</p>\r\n"
+                       "</body></html>\r\n",
+                       nb_connections, nb_max_connections);
+    send(fd, buffer, len, 0);
+}
+
+
 static void new_connection(int server_fd, int is_rtsp)
 {
     struct sockaddr_in from_addr;
@@ -707,10 +732,10 @@ static void new_connection(int server_fd, int is_rtsp)
     }
     ff_socket_nonblock(fd, 1);
 
-    /* XXX: should output a warning page when coming
-       close to the connection limit */
-    if (nb_connections >= nb_max_connections)
+    if (nb_connections >= nb_max_connections) {
+        http_send_too_busy_reply(fd);
         goto fail;
+    }
 
     /* add a new connection */
     c = av_mallocz(sizeof(HTTPContext));
@@ -796,7 +821,7 @@ static void close_connection(HTTPContext *c)
 
     ctx = &c->fmt_ctx;
 
-    if (!c->last_packet_sent) {
+    if (!c->last_packet_sent && c->state == HTTPSTATE_SEND_DATA_TRAILER) {
         if (ctx->oformat) {
             /* prepare header */
             if (url_open_dyn_buf(&ctx->pb) >= 0) {
@@ -1167,6 +1192,38 @@ static void get_word(char *buf, int buf_size, const char **pp)
     *pp = p;
 }
 
+static void get_arg(char *buf, int buf_size, const char **pp)
+{
+    const char *p;
+    char *q;
+    int quote;
+
+    p = *pp;
+    while (isspace(*p)) p++;
+    q = buf;
+    quote = 0;
+    if (*p == '\"' || *p == '\'')
+        quote = *p++;
+    for(;;) {
+        if (quote) {
+            if (*p == quote)
+                break;
+        } else {
+            if (isspace(*p))
+                break;
+        }
+        if (*p == '\0')
+            break;
+        if ((q - buf) < buf_size - 1)
+            *q++ = *p;
+        p++;
+    }
+    *q = '\0';
+    if (quote && *p == quote)
+        p++;
+    *pp = p;
+}
+
 static int validate_acl(FFStream *stream, HTTPContext *c)
 {
     enum IPAddressAction last_action = IP_DENY;
@@ -1256,7 +1313,7 @@ static int http_parse_request(HTTPContext *c)
     av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
 
     if (ffserver_debug)
-        http_log("New connection: %s %s\n", cmd, url);
+        http_log("%s - - New connection: %s %s\n", inet_ntoa(c->from_addr.sin_addr), cmd, url);
 
     /* find the filename and the optional info string in the request */
     p = strchr(url, '?');
@@ -1313,6 +1370,7 @@ static int http_parse_request(HTTPContext *c)
     }
     if (stream == NULL) {
         snprintf(msg, sizeof(msg), "File '%s' not found", url);
+        http_log("File '%s' not found\n", url);
         goto send_error;
     }
 
@@ -1323,14 +1381,14 @@ static int http_parse_request(HTTPContext *c)
     if (stream->stream_type == STREAM_TYPE_REDIRECT) {
         c->http_error = 301;
         q = c->buffer;
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
-
+        q += snprintf(q, c->buffer_size,
+                      "HTTP/1.0 301 Moved\r\n"
+                      "Location: %s\r\n"
+                      "Content-type: text/html\r\n"
+                      "\r\n"
+                      "<html><head><title>Moved</title></head><body>\r\n"
+                      "You should be <a href=\"%s\">redirected</a>.\r\n"
+                      "</body></html>\r\n", stream->feed_filename, stream->feed_filename);
         /* prepare output buffer */
         c->buffer_ptr = c->buffer;
         c->buffer_end = q;
@@ -1341,35 +1399,35 @@ static int http_parse_request(HTTPContext *c)
     /* If this is WMP, get the rate information */
     if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
         if (modify_current_stream(c, ratebuf)) {
-            for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
+            for (i = 0; i < FF_ARRAY_ELEMS(c->feed_streams); i++) {
                 if (c->switch_feed_streams[i] >= 0)
                     do_switch_stream(c, i);
             }
         }
     }
 
+    if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
+        current_bandwidth += stream->bandwidth;
+
     /* If already streaming this feed, do not let start another feeder. */
     if (stream->feed_opened) {
         snprintf(msg, sizeof(msg), "This feed is already being received.");
-        http_log("feed %s already being received\n", stream->feed_filename);
+        http_log("Feed '%s' already being received\n", stream->feed_filename);
         goto send_error;
     }
 
-    if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
-        current_bandwidth += stream->bandwidth;
-
     if (c->post == 0 && max_bandwidth < current_bandwidth) {
         c->http_error = 200;
         q = c->buffer;
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %lldkbit/sec, and this exceeds the limit of %lldkbit/sec.</p>\r\n",
-            current_bandwidth, max_bandwidth);
-        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
-
+        q += snprintf(q, c->buffer_size,
+                      "HTTP/1.0 200 Server too busy\r\n"
+                      "Content-type: text/html\r\n"
+                      "\r\n"
+                      "<html><head><title>Too busy</title></head><body>\r\n"
+                      "<p>The server is too busy to serve your request at this time.</p>\r\n"
+                      "<p>The bandwidth being served (including your stream) is %"PRIu64"kbit/sec, "
+                      "and this exceeds the limit of %"PRIu64"kbit/sec.</p>\r\n"
+                      "</body></html>\r\n", current_bandwidth, max_bandwidth);
         /* prepare output buffer */
         c->buffer_ptr = c->buffer;
         c->buffer_end = q;
@@ -1412,30 +1470,30 @@ static int http_parse_request(HTTPContext *c)
                     q = c->buffer;
                     switch(redir_type) {
                     case REDIR_ASX:
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
-                        //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
-                                hostbuf, filename, info);
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
+                        q += snprintf(q, c->buffer_size,
+                                      "HTTP/1.0 200 ASX Follows\r\n"
+                                      "Content-type: video/x-ms-asf\r\n"
+                                      "\r\n"
+                                      "<ASX Version=\"3\">\r\n"
+                                      //"<!-- Autogenerated by ffserver -->\r\n"
+                                      "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n"
+                                      "</ASX>\r\n", hostbuf, filename, info);
                         break;
                     case REDIR_RAM:
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
-                                hostbuf, filename, info);
+                        q += snprintf(q, c->buffer_size,
+                                      "HTTP/1.0 200 RAM Follows\r\n"
+                                      "Content-type: audio/x-pn-realaudio\r\n"
+                                      "\r\n"
+                                      "# Autogenerated by ffserver\r\n"
+                                      "http://%s/%s%s\r\n", hostbuf, filename, info);
                         break;
                     case REDIR_ASF:
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
-                        q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
-                                hostbuf, filename, info);
+                        q += snprintf(q, c->buffer_size,
+                                      "HTTP/1.0 200 ASF Redirect follows\r\n"
+                                      "Content-type: video/x-ms-asf\r\n"
+                                      "\r\n"
+                                      "[Reference]\r\n"
+                                      "Ref1=http://%s/%s%s\r\n", hostbuf, filename, info);
                         break;
                     case REDIR_RTSP:
                         {
@@ -1445,13 +1503,12 @@ static int http_parse_request(HTTPContext *c)
                             p = strrchr(hostname, ':');
                             if (p)
                                 *p = '\0';
-                            q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
-                            /* XXX: incorrect mime type ? */
-                            q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
-                            q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-                            q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
-                                         hostname, ntohs(my_rtsp_addr.sin_port),
-                                         filename);
+                            q += snprintf(q, c->buffer_size,
+                                          "HTTP/1.0 200 RTSP Redirect follows\r\n"
+                                          /* XXX: incorrect mime type ? */
+                                          "Content-type: application/x-rtsp\r\n"
+                                          "\r\n"
+                                          "rtsp://%s:%d/%s\r\n", hostname, ntohs(my_rtsp_addr.sin_port), filename);
                         }
                         break;
                     case REDIR_SDP:
@@ -1460,9 +1517,10 @@ static int http_parse_request(HTTPContext *c)
                             int sdp_data_size, len;
                             struct sockaddr_in my_addr;
 
-                            q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
-                            q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
-                            q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+                            q += snprintf(q, c->buffer_size,
+                                          "HTTP/1.0 200 OK\r\n"
+                                          "Content-type: application/sdp\r\n"
+                                          "\r\n");
 
                             len = sizeof(my_addr);
                             getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
@@ -1592,7 +1650,7 @@ static int http_parse_request(HTTPContext *c)
     if (!strcmp(c->stream->fmt->name,"asf_stream")) {
         /* Need to allocate a client id */
 
-        c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
+        c->wmp_client_id = av_lfg_get(&random_state);
 
         q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
     }
@@ -1608,14 +1666,14 @@ static int http_parse_request(HTTPContext *c)
  send_error:
     c->http_error = 404;
     q = c->buffer;
-    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
-    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
-    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
-    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
-    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
-    q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
-
+    q += snprintf(q, c->buffer_size,
+                  "HTTP/1.0 404 Not Found\r\n"
+                  "Content-type: text/html\r\n"
+                  "\r\n"
+                  "<html>\n"
+                  "<head><title>404 Not Found</title></head>\n"
+                  "<body>%s</body>\n"
+                  "</html>\n", msg);
     /* prepare output buffer */
     c->buffer_ptr = c->buffer;
     c->buffer_end = q;
@@ -1660,15 +1718,15 @@ static void compute_status(HTTPContext *c)
     url_fprintf(pb, "Pragma: no-cache\r\n");
     url_fprintf(pb, "\r\n");
 
-    url_fprintf(pb, "<HEAD><TITLE>%s Status</TITLE>\n", program_name);
+    url_fprintf(pb, "<html><head><title>%s Status</title>\n", program_name);
     if (c->stream->feed_filename[0])
         url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
-    url_fprintf(pb, "</HEAD>\n<BODY>");
-    url_fprintf(pb, "<H1>%s Status</H1>\n", program_name);
+    url_fprintf(pb, "</head>\n<body>");
+    url_fprintf(pb, "<h1>%s Status</h1>\n", program_name);
     /* format status */
-    url_fprintf(pb, "<H2>Available Streams</H2>\n");
-    url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
-    url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
+    url_fprintf(pb, "<h2>Available Streams</h2>\n");
+    url_fprintf(pb, "<table cellspacing=0 cellpadding=4>\n");
+    url_fprintf(pb, "<tr><th valign=top>Path<th align=left>Served<br>Conns<th><br>bytes<th valign=top>Format<th>Bit rate<br>kbits/s<th align=left>Video<br>kbits/s<th><br>Codec<th align=left>Audio<br>kbits/s<th><br>Codec<th align=left valign=top>Feed\n");
     stream = first_stream;
     while (stream != NULL) {
         char sfilename[1024];
@@ -1696,7 +1754,7 @@ static void compute_status(HTTPContext *c)
                 }
             }
 
-            url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
+            url_fprintf(pb, "<tr><td><a href=\"/%s\">%s</a> ",
                          sfilename, stream->filename);
             url_fprintf(pb, "<td align=right> %d <td align=right> ",
                         stream->conns_served);
@@ -1737,26 +1795,26 @@ static void compute_status(HTTPContext *c)
                             abort();
                         }
                     }
-                    url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
+                    url_fprintf(pb, "<td align=center> %s <td align=right> %d <td align=right> %d <td> %s %s <td align=right> %d <td> %s %s",
                                  stream->fmt->name,
                                  stream->bandwidth,
                                  video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
                                  audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
                     if (stream->feed)
-                        url_fprintf(pb, "<TD>%s", stream->feed->filename);
+                        url_fprintf(pb, "<td>%s", stream->feed->filename);
                     else
-                        url_fprintf(pb, "<TD>%s", stream->feed_filename);
+                        url_fprintf(pb, "<td>%s", stream->feed_filename);
                     url_fprintf(pb, "\n");
                 }
                 break;
             default:
-                url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
+                url_fprintf(pb, "<td align=center> - <td align=right> - <td align=right> - <td><td align=right> - <td>\n");
                 break;
             }
         }
         stream = stream->next;
     }
-    url_fprintf(pb, "</TABLE>\n");
+    url_fprintf(pb, "</table>\n");
 
     stream = first_stream;
     while (stream != NULL) {
@@ -1824,47 +1882,17 @@ static void compute_status(HTTPContext *c)
         stream = stream->next;
     }
 
-#if 0
-    {
-        float avg;
-        AVCodecContext *enc;
-        char buf[1024];
-
-        /* feed status */
-        stream = first_feed;
-        while (stream != NULL) {
-            url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
-            url_fprintf(pb, "<TABLE>\n");
-            url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
-            for(i=0;i<stream->nb_streams;i++) {
-                AVStream *st = stream->streams[i];
-                FeedData *fdata = st->priv_data;
-                enc = st->codec;
-
-                avcodec_string(buf, sizeof(buf), enc);
-                avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
-                if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
-                    avg /= enc->frame_size;
-                url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
-                             buf, enc->frame_number, fdata->data_count, avg / 1000.0);
-            }
-            url_fprintf(pb, "</TABLE>\n");
-            stream = stream->next_feed;
-        }
-    }
-#endif
-
     /* connection status */
-    url_fprintf(pb, "<H2>Connection Status</H2>\n");
+    url_fprintf(pb, "<h2>Connection Status</h2>\n");
 
-    url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
+    url_fprintf(pb, "Number of connections: %d / %d<br>\n",
                  nb_connections, nb_max_connections);
 
-    url_fprintf(pb, "Bandwidth in use: %lldk / %lldk<BR>\n",
+    url_fprintf(pb, "Bandwidth in use: %"PRIu64"k / %"PRIu64"k<br>\n",
                  current_bandwidth, max_bandwidth);
 
-    url_fprintf(pb, "<TABLE>\n");
-    url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
+    url_fprintf(pb, "<table>\n");
+    url_fprintf(pb, "<tr><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
     c1 = first_http_ctx;
     i = 0;
     while (c1 != NULL) {
@@ -1883,7 +1911,7 @@ static void compute_status(HTTPContext *c)
 
         i++;
         p = inet_ntoa(c1->from_addr.sin_addr);
-        url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
+        url_fprintf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s<td align=right>",
                     i,
                     c1->stream ? c1->stream->filename : "",
                     c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
@@ -1898,13 +1926,13 @@ static void compute_status(HTTPContext *c)
         url_fprintf(pb, "\n");
         c1 = c1->next;
     }
-    url_fprintf(pb, "</TABLE>\n");
+    url_fprintf(pb, "</table>\n");
 
     /* date */
     ti = time(NULL);
     p = ctime(&ti);
-    url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
-    url_fprintf(pb, "</BODY>\n</HTML>\n");
+    url_fprintf(pb, "<hr size=1 noshade>Generated at %s", p);
+    url_fprintf(pb, "</body>\n</html>\n");
 
     len = url_close_dyn_buf(pb, &c->pb_buffer);
     c->buffer_ptr = c->pb_buffer;
@@ -1963,12 +1991,6 @@ static int open_input_stream(HTTPContext *c, const char *info)
     if (input_filename[0] == '\0')
         return -1;
 
-#if 0
-    { time_t when = stream_pos / 1000000;
-    http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
-    }
-#endif
-
     /* open stream */
     if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
                                   buf_size, c->stream->ap_in)) < 0) {
@@ -1977,7 +1999,11 @@ static int open_input_stream(HTTPContext *c, const char *info)
     }
     s->flags |= AVFMT_FLAG_GENPTS;
     c->fmt_in = s;
-    av_find_stream_info(c->fmt_in);
+    if (strcmp(s->iformat->name, "ffm") && av_find_stream_info(c->fmt_in) < 0) {
+        http_log("Could not find stream info '%s'\n", input_filename);
+        av_close_input_file(s);
+        return -1;
+    }
 
     /* open each parser */
     for(i=0;i<s->nb_streams;i++)
@@ -2036,14 +2062,10 @@ static int http_prepare_data(HTTPContext *c)
     switch(c->state) {
     case HTTPSTATE_SEND_DATA_HEADER:
         memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
-        av_strlcpy(c->fmt_ctx.author, c->stream->author,
-                   sizeof(c->fmt_ctx.author));
-        av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
-                   sizeof(c->fmt_ctx.comment));
-        av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
-                   sizeof(c->fmt_ctx.copyright));
-        av_strlcpy(c->fmt_ctx.title, c->stream->title,
-                   sizeof(c->fmt_ctx.title));
+        av_metadata_set(&c->fmt_ctx.metadata, "author"   ,c->stream->author);
+        av_metadata_set(&c->fmt_ctx.metadata, "comment"  ,c->stream->comment);
+        av_metadata_set(&c->fmt_ctx.metadata, "copyright",c->stream->copyright);
+        av_metadata_set(&c->fmt_ctx.metadata, "title"    ,c->stream->title);
 
         for(i=0;i<c->stream->nb_streams;i++) {
             AVStream *st;
@@ -2176,14 +2198,6 @@ static int http_prepare_data(HTTPContext *c)
                         if (ist->start_time != AV_NOPTS_VALUE)
                             c->cur_pts -= av_rescale_q(ist->start_time, ist->time_base, AV_TIME_BASE_Q);
                         c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
-#if 0
-                        printf("index=%d pts=%0.3f duration=%0.6f\n",
-                               pkt.stream_index,
-                               (double)c->cur_pts /
-                               AV_TIME_BASE,
-                               (double)c->cur_frame_duration /
-                               AV_TIME_BASE);
-#endif
                         /* find RTP context */
                         c->packet_stream_index = pkt.stream_index;
                         ctx = c->rtp_ctx[c->packet_stream_index];
@@ -2202,7 +2216,7 @@ static int http_prepare_data(HTTPContext *c)
 
                     if (c->is_packetized) {
                         int max_packet_size;
-                        if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
+                        if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP)
                             max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
                         else
                             max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
@@ -2306,7 +2320,7 @@ static int http_send_data(HTTPContext *c)
                 if (c->stream)
                     c->stream->bytes_served += len;
 
-                if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
+                if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP) {
                     /* RTP packets are sent inside the RTSP TCP connection */
                     ByteIOContext *pb;
                     int interleaved_index, size;
@@ -2406,7 +2420,19 @@ static int http_start_receive_data(HTTPContext *c)
     }
     c->feed_fd = fd;
 
-    c->stream->feed_write_index = ffm_read_write_index(fd);
+    if (c->stream->truncate) {
+        /* truncate feed file */
+        ffm_write_write_index(c->feed_fd, FFM_PACKET_SIZE);
+        ftruncate(c->feed_fd, FFM_PACKET_SIZE);
+        http_log("Truncating feed file '%s'\n", c->stream->feed_filename);
+    } else {
+        if ((c->stream->feed_write_index = ffm_read_write_index(fd)) < 0) {
+            http_log("Error reading write index from feed file: %s\n", strerror(errno));
+            return -1;
+        }
+    }
+
+    c->stream->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
     c->stream->feed_size = lseek(fd, 0, SEEK_END);
     lseek(fd, 0, SEEK_SET);
 
@@ -2472,7 +2498,10 @@ static int http_receive_data(HTTPContext *c)
                 feed->feed_write_index = FFM_PACKET_SIZE;
 
             /* write index */
-            ffm_write_write_index(c->feed_fd, feed->feed_write_index);
+            if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {
+                http_log("Error writing index to feed file: %s\n", strerror(errno));
+                goto fail;
+            }
 
             /* wake up any waiting connections */
             for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
@@ -2504,6 +2533,8 @@ static int http_receive_data(HTTPContext *c)
             if (s->nb_streams != feed->nb_streams) {
                 av_close_input_stream(s);
                 av_free(pb);
+                http_log("Feed '%s' stream number does not match registered feed\n",
+                         c->stream->feed_filename);
                 goto fail;
             }
 
@@ -2615,7 +2646,7 @@ static int rtsp_parse_request(HTTPContext *c)
     char protocol[32];
     char line[1024];
     int len;
-    RTSPHeader header1, *header = &header1;
+    RTSPMessageHeader header1, *header = &header1;
 
     c->buffer_ptr[0] = '\0';
     p = c->buffer;
@@ -2641,7 +2672,7 @@ static int rtsp_parse_request(HTTPContext *c)
     }
 
     /* parse each header line */
-    memset(header, 0, sizeof(RTSPHeader));
+    memset(header, 0, sizeof(*header));
     /* skip to next line */
     while (*p != '\n' && *p != '\0')
         p++;
@@ -2704,15 +2735,12 @@ static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
     AVStream avs[MAX_STREAMS];
     int i;
 
-    avc =  av_alloc_format_context();
+    avc =  avformat_alloc_context();
     if (avc == NULL) {
         return -1;
     }
-    if (stream->title[0] != 0) {
-        av_strlcpy(avc->title, stream->title, sizeof(avc->title));
-    } else {
-        av_strlcpy(avc->title, "No Title", sizeof(avc->title));
-    }
+    av_metadata_set(&avc->metadata, "title",
+                    stream->title[0] ? stream->title : "No Title");
     avc->nb_streams = stream->nb_streams;
     if (stream->is_multicast) {
         snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
@@ -2798,21 +2826,21 @@ static HTTPContext *find_rtp_session(const char *session_id)
     return NULL;
 }
 
-static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
+static RTSPTransportField *find_transport(RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
 {
     RTSPTransportField *th;
     int i;
 
     for(i=0;i<h->nb_transports;i++) {
         th = &h->transports[i];
-        if (th->protocol == protocol)
+        if (th->lower_transport == lower_transport)
             return th;
     }
     return NULL;
 }
 
 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
-                           RTSPHeader *h)
+                           RTSPMessageHeader *h)
 {
     FFStream *stream;
     int stream_index, port;
@@ -2861,15 +2889,15 @@ static void rtsp_cmd_setup(HTTPContext *c, const char *url,
     /* generate session id if needed */
     if (h->session_id[0] == '\0')
         snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
-                 av_random(&random_state), av_random(&random_state));
+                 av_lfg_get(&random_state), av_lfg_get(&random_state));
 
     /* find rtp session, and create it if none found */
     rtp_c = find_rtp_session(h->session_id);
     if (!rtp_c) {
         /* always prefer UDP */
-        th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
+        th = find_transport(h, RTSP_LOWER_TRANSPORT_UDP);
         if (!th) {
-            th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
+            th = find_transport(h, RTSP_LOWER_TRANSPORT_TCP);
             if (!th) {
                 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
                 return;
@@ -2877,7 +2905,7 @@ static void rtsp_cmd_setup(HTTPContext *c, const char *url,
         }
 
         rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
-                                   th->protocol);
+                                   th->lower_transport);
         if (!rtp_c) {
             rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
             return;
@@ -2905,7 +2933,7 @@ static void rtsp_cmd_setup(HTTPContext *c, const char *url,
 
     /* check transport */
     th = find_transport(h, rtp_c->rtp_protocol);
-    if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
+    if (!th || (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
                 th->client_port_min <= 0)) {
         rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
         return;
@@ -2928,14 +2956,14 @@ static void rtsp_cmd_setup(HTTPContext *c, const char *url,
     url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
 
     switch(rtp_c->rtp_protocol) {
-    case RTSP_PROTOCOL_RTP_UDP:
+    case RTSP_LOWER_TRANSPORT_UDP:
         port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
         url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
                     "client_port=%d-%d;server_port=%d-%d",
                     th->client_port_min, th->client_port_min + 1,
                     port, port + 1);
         break;
-    case RTSP_PROTOCOL_RTP_TCP:
+    case RTSP_LOWER_TRANSPORT_TCP:
         url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
                     stream_index * 2, stream_index * 2 + 1);
         break;
@@ -2983,7 +3011,7 @@ static HTTPContext *find_rtp_session_with_url(const char *url,
     return NULL;
 }
 
-static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
+static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h)
 {
     HTTPContext *rtp_c;
 
@@ -3000,14 +3028,6 @@ static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
         return;
     }
 
-#if 0
-    /* XXX: seek in stream */
-    if (h->range_start != AV_NOPTS_VALUE) {
-        printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
-        av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
-    }
-#endif
-
     rtp_c->state = HTTPSTATE_SEND_DATA;
 
     /* now everything is OK, so we can send the connection parameters */
@@ -3017,7 +3037,7 @@ static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
     url_fprintf(c->pb, "\r\n");
 }
 
-static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
+static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h)
 {
     HTTPContext *rtp_c;
 
@@ -3042,7 +3062,7 @@ static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
     url_fprintf(c->pb, "\r\n");
 }
 
-static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
+static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h)
 {
     HTTPContext *rtp_c;
     char session_id[32];
@@ -3071,7 +3091,7 @@ static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
 
 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
                                        FFStream *stream, const char *session_id,
-                                       enum RTSPProtocol rtp_protocol)
+                                       enum RTSPLowerTransport rtp_protocol)
 {
     HTTPContext *c = NULL;
     const char *proto_str;
@@ -3102,13 +3122,13 @@ static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
 
     /* protocol is shown in statistics */
     switch(c->rtp_protocol) {
-    case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+    case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
         proto_str = "MCAST";
         break;
-    case RTSP_PROTOCOL_RTP_UDP:
+    case RTSP_LOWER_TRANSPORT_UDP:
         proto_str = "UDP";
         break;
-    case RTSP_PROTOCOL_RTP_TCP:
+    case RTSP_LOWER_TRANSPORT_TCP:
         proto_str = "TCP";
         break;
     default:
@@ -3147,7 +3167,7 @@ static int rtp_new_av_stream(HTTPContext *c,
     int max_packet_size;
 
     /* now we can open the relevant output stream */
-    ctx = av_alloc_format_context();
+    ctx = avformat_alloc_context();
     if (!ctx)
         return -1;
     ctx->oformat = guess_format("rtp", NULL, NULL);
@@ -3172,8 +3192,8 @@ static int rtp_new_av_stream(HTTPContext *c,
     ipaddr = inet_ntoa(dest_addr->sin_addr);
 
     switch(c->rtp_protocol) {
-    case RTSP_PROTOCOL_RTP_UDP:
-    case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+    case RTSP_LOWER_TRANSPORT_UDP:
+    case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
         /* RTP/UDP case */
 
         /* XXX: also pass as parameter to function ? */
@@ -3195,7 +3215,7 @@ static int rtp_new_av_stream(HTTPContext *c,
         c->rtp_handles[stream_index] = h;
         max_packet_size = url_get_max_packet_size(h);
         break;
-    case RTSP_PROTOCOL_RTP_TCP:
+    case RTSP_LOWER_TRANSPORT_TCP:
         /* RTP/TCP case */
         c->rtsp_c = rtsp_c;
         max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
@@ -3374,9 +3394,10 @@ static void build_file_streams(void)
                 stream->ap_in->mpeg2ts_compute_pcr = 1;
             }
 
+            http_log("Opening file '%s'\n", stream->feed_filename);
             if ((ret = av_open_input_file(&infile, stream->feed_filename,
                                           stream->ifmt, 0, stream->ap_in)) < 0) {
-                http_log("could not open %s: %d\n", stream->feed_filename, ret);
+                http_log("Could not open '%s': %d\n", stream->feed_filename, ret);
                 /* remove stream (no need to spend more time on it) */
             fail:
                 remove_stream(stream);
@@ -3507,7 +3528,7 @@ static void build_feed_streams(void)
             }
         }
         if (!url_exist(feed->feed_filename)) {
-            AVFormatContext s1, *s = &s1;
+            AVFormatContext s1 = {0}, *s = &s1;
 
             if (feed->readonly) {
                 http_log("Unable to create feed file '%s' as it is marked readonly\n",
@@ -3545,7 +3566,7 @@ static void build_feed_streams(void)
             exit(1);
         }
 
-        feed->feed_write_index = ffm_read_write_index(fd);
+        feed->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
         feed->feed_size = lseek(fd, 0, SEEK_END);
         /* ensure that we do not wrap before the end of file */
         if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
@@ -3579,38 +3600,6 @@ static void compute_bandwidth(void)
     }
 }
 
-static void get_arg(char *buf, int buf_size, const char **pp)
-{
-    const char *p;
-    char *q;
-    int quote;
-
-    p = *pp;
-    while (isspace(*p)) p++;
-    q = buf;
-    quote = 0;
-    if (*p == '\"' || *p == '\'')
-        quote = *p++;
-    for(;;) {
-        if (quote) {
-            if (*p == quote)
-                break;
-        } else {
-            if (isspace(*p))
-                break;
-        }
-        if (*p == '\0')
-            break;
-        if ((q - buf) < buf_size - 1)
-            *q++ = *p;
-        p++;
-    }
-    *q = '\0';
-    if (quote && *p == quote)
-        p++;
-    *pp = p;
-}
-
 /* add a codec and set the default parameters */
 static void add_codec(FFStream *stream, AVCodecContext *av)
 {
@@ -3686,7 +3675,7 @@ static void add_codec(FFStream *stream, AVCodecContext *av)
     memcpy(st->codec, av, sizeof(AVCodecContext));
 }
 
-static int opt_audio_codec(const char *arg)
+static enum CodecID opt_audio_codec(const char *arg)
 {
     AVCodec *p= avcodec_find_encoder_by_name(arg);
 
@@ -3696,7 +3685,7 @@ static int opt_audio_codec(const char *arg)
     return p->id;
 }
 
-static int opt_video_codec(const char *arg)
+static enum CodecID opt_video_codec(const char *arg)
 {
     AVCodec *p= avcodec_find_encoder_by_name(arg);
 
@@ -3708,7 +3697,7 @@ static int opt_video_codec(const char *arg)
 
 /* simplistic plugin support */
 
-#ifdef HAVE_DLOPEN
+#if HAVE_DLOPEN
 static void load_module(const char *filename)
 {
     void *dll;
@@ -3732,16 +3721,14 @@ static void load_module(const char *filename)
 }
 #endif
 
-static int opt_default(const char *opt, const char *arg,
+static int ffserver_opt_default(const char *opt, const char *arg,
                        AVCodecContext *avctx, int type)
 {
-    const AVOption *o  = NULL;
-    const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
-    if(o2)
-        o = av_set_string2(avctx, opt, arg, 1);
-    if(!o)
-        return -1;
-    return 0;
+    int ret = 0;
+    const AVOption *o = av_find_opt(avctx, opt, NULL, type, type);
+    if(o)
+        ret = av_set_string3(avctx, opt, arg, 1, NULL);
+    return ret;
 }
 
 static int parse_ffconfig(const char *filename)
@@ -3753,9 +3740,9 @@ static int parse_ffconfig(const char *filename)
     const char *p;
     int val, errors, line_num;
     FFStream **last_stream, *stream, *redirect;
-    FFStream **last_feed, *feed;
+    FFStream **last_feed, *feed, *s;
     AVCodecContext audio_enc, video_enc;
-    int audio_id, video_id;
+    enum CodecID audio_id, video_id;
 
     f = fopen(filename, "r");
     if (!f) {
@@ -3861,17 +3848,19 @@ static int parse_ffconfig(const char *filename)
                         filename, line_num);
             } else {
                 feed = av_mallocz(sizeof(FFStream));
-                /* add in stream list */
-                *last_stream = feed;
-                last_stream = &feed->next;
-                /* add in feed list */
-                *last_feed = feed;
-                last_feed = &feed->next_feed;
-
                 get_arg(feed->filename, sizeof(feed->filename), &p);
                 q = strrchr(feed->filename, '>');
                 if (*q)
                     *q = '\0';
+
+                for (s = first_feed; s; s = s->next) {
+                    if (!strcmp(feed->filename, s->filename)) {
+                        fprintf(stderr, "%s:%d: Feed '%s' already registered\n",
+                                filename, line_num, s->filename);
+                        errors++;
+                    }
+                }
+
                 feed->fmt = guess_format("ffm", NULL, NULL);
                 /* defaut feed file */
                 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
@@ -3879,6 +3868,13 @@ static int parse_ffconfig(const char *filename)
                 feed->feed_max_size = 5 * 1024 * 1024;
                 feed->is_feed = 1;
                 feed->feed = feed; /* self feeding :-) */
+
+                /* add in stream list */
+                *last_stream = feed;
+                last_stream = &feed->next;
+                /* add in feed list */
+                *last_feed = feed;
+                last_feed = &feed->next_feed;
             }
         } else if (!strcasecmp(cmd, "Launch")) {
             if (feed) {
@@ -3914,6 +3910,11 @@ static int parse_ffconfig(const char *filename)
                 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
             } else if (stream)
                 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
+        } else if (!strcasecmp(cmd, "Truncate")) {
+            if (feed) {
+                get_arg(arg, sizeof(arg), &p);
+                feed->truncate = strtod(arg, NULL);
+            }
         } else if (!strcasecmp(cmd, "FileMaxSize")) {
             if (feed) {
                 char *p1;
@@ -3934,6 +3935,11 @@ static int parse_ffconfig(const char *filename)
                     break;
                 }
                 feed->feed_max_size = (int64_t)fsize;
+                if (feed->feed_max_size < FFM_PACKET_SIZE*4) {
+                    fprintf(stderr, "%s:%d: Feed max file size is too small, "
+                            "must be at least %d\n", filename, line_num, FFM_PACKET_SIZE*4);
+                    errors++;
+                }
             }
         } else if (!strcasecmp(cmd, "</Feed>")) {
             if (!feed) {
@@ -3950,15 +3956,22 @@ static int parse_ffconfig(const char *filename)
                 fprintf(stderr, "%s:%d: Already in a tag\n",
                         filename, line_num);
             } else {
+                FFStream *s;
                 const AVClass *class;
                 stream = av_mallocz(sizeof(FFStream));
-                *last_stream = stream;
-                last_stream = &stream->next;
-
                 get_arg(stream->filename, sizeof(stream->filename), &p);
                 q = strrchr(stream->filename, '>');
                 if (*q)
                     *q = '\0';
+
+                for (s = first_stream; s; s = s->next) {
+                    if (!strcmp(stream->filename, s->filename)) {
+                        fprintf(stderr, "%s:%d: Stream '%s' already registered\n",
+                                filename, line_num, s->filename);
+                        errors++;
+                    }
+                }
+
                 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
                 /* fetch avclass so AVOption works
                  * FIXME try to use avcodec_get_context_defaults2
@@ -3975,6 +3988,9 @@ static int parse_ffconfig(const char *filename)
                     audio_id = stream->fmt->audio_codec;
                     video_id = stream->fmt->video_codec;
                 }
+
+                *last_stream = stream;
+                last_stream = &stream->next;
             }
         } else if (!strcasecmp(cmd, "Feed")) {
             get_arg(arg, sizeof(arg), &p);
@@ -4018,10 +4034,12 @@ static int parse_ffconfig(const char *filename)
             }
         } else if (!strcasecmp(cmd, "InputFormat")) {
             get_arg(arg, sizeof(arg), &p);
-            stream->ifmt = av_find_input_format(arg);
-            if (!stream->ifmt) {
-                fprintf(stderr, "%s:%d: Unknown input format: %s\n",
-                        filename, line_num, arg);
+            if (stream) {
+                stream->ifmt = av_find_input_format(arg);
+                if (!stream->ifmt) {
+                    fprintf(stderr, "%s:%d: Unknown input format: %s\n",
+                            filename, line_num, arg);
+                }
             }
         } else if (!strcasecmp(cmd, "FaviconURL")) {
             if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
@@ -4179,14 +4197,14 @@ static int parse_ffconfig(const char *filename)
                 avctx = &audio_enc;
                 type = AV_OPT_FLAG_AUDIO_PARAM;
             }
-            if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
+            if (ffserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
                 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
                 errors++;
             }
         } else if (!strcasecmp(cmd, "VideoTag")) {
             get_arg(arg, sizeof(arg), &p);
             if ((strlen(arg) == 4) && stream)
-                video_enc.codec_tag = ff_get_fourcc(arg);
+                video_enc.codec_tag = AV_RL32(arg);
         } else if (!strcasecmp(cmd, "BitExact")) {
             if (stream)
                 video_enc.flags |= CODEC_FLAG_BITEXACT;
@@ -4393,7 +4411,7 @@ static int parse_ffconfig(const char *filename)
             }
         } else if (!strcasecmp(cmd, "LoadModule")) {
             get_arg(arg, sizeof(arg), &p);
-#ifdef HAVE_DLOPEN
+#if HAVE_DLOPEN
             load_module(arg);
 #else
             fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
@@ -4403,7 +4421,6 @@ static int parse_ffconfig(const char *filename)
         } else {
             fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
                     filename, line_num, cmd);
-            errors++;
         }
     }
 
@@ -4439,7 +4456,7 @@ static void handle_child_exit(int sig)
     need_to_start_children = 1;
 }
 
-static void opt_debug()
+static void opt_debug(void)
 {
     ffserver_debug = 1;
     ffserver_daemon = 0;
@@ -4458,7 +4475,11 @@ static const OptionDef options[] = {
     { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
     { "version", OPT_EXIT, {(void*)show_version}, "show version" },
     { "L", OPT_EXIT, {(void*)show_license}, "show license" },
-    { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
+    { "formats"  , OPT_EXIT, {(void*)show_formats  }, "show available formats" },
+    { "codecs"   , OPT_EXIT, {(void*)show_codecs   }, "show available codecs" },
+    { "bsfs"     , OPT_EXIT, {(void*)show_bsfs     }, "show available bit stream filters" },
+    { "protocols", OPT_EXIT, {(void*)show_protocols}, "show available protocols" },
+    { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "loglevel" },
     { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
     { "d", 0, {(void*)opt_debug}, "enable debug mode" },
     { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
@@ -4483,7 +4504,7 @@ int main(int argc, char **argv)
 
     unsetenv("http_proxy");             /* Kill the http_proxy */
 
-    av_init_random(av_gettime() + (getpid() << 16), &random_state);
+    av_lfg_init(&random_state, ff_random_get_seed());
 
     memset(&sigact, 0, sizeof(sigact));
     sigact.sa_handler = handle_child_exit;