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-rw-r--r--ffserver.c1577
1 files changed, 1577 insertions, 0 deletions
diff --git a/ffserver.c b/ffserver.c
new file mode 100644
index 0000000000..cfabe30823
--- /dev/null
+++ b/ffserver.c
@@ -0,0 +1,1577 @@
+/*
+ * Multiple format streaming server
+ * Copyright (c) 2000,2001 Gerard Lantau.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/poll.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <time.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <signal.h>
+
+#include "avformat.h"
+
+/* maximum number of simultaneous HTTP connections */
+#define HTTP_MAX_CONNECTIONS 2000
+
+enum HTTPState {
+ HTTPSTATE_WAIT_REQUEST,
+ HTTPSTATE_SEND_HEADER,
+ HTTPSTATE_SEND_DATA_HEADER,
+ HTTPSTATE_SEND_DATA,
+ HTTPSTATE_SEND_DATA_TRAILER,
+ HTTPSTATE_RECEIVE_DATA,
+ HTTPSTATE_WAIT_FEED,
+};
+
+const char *http_state[] = {
+ "WAIT_REQUEST",
+ "SEND_HEADER",
+ "SEND_DATA_HEADER",
+ "SEND_DATA",
+ "SEND_DATA_TRAILER",
+ "RECEIVE_DATA",
+ "WAIT_FEED",
+};
+
+#define IOBUFFER_MAX_SIZE 16384
+
+/* coef for exponential mean for bitrate estimation in statistics */
+#define AVG_COEF 0.9
+
+/* timeouts are in ms */
+#define REQUEST_TIMEOUT (15 * 1000)
+#define SYNC_TIMEOUT (10 * 1000)
+
+/* context associated with one connection */
+typedef struct HTTPContext {
+ enum HTTPState state;
+ int fd; /* socket file descriptor */
+ struct sockaddr_in from_addr; /* origin */
+ struct pollfd *poll_entry; /* used when polling */
+ long timeout;
+ UINT8 buffer[IOBUFFER_MAX_SIZE];
+ UINT8 *buffer_ptr, *buffer_end;
+ int http_error;
+ struct HTTPContext *next;
+ int got_key_frame[MAX_STREAMS]; /* for each type */
+ INT64 data_count;
+ /* feed input */
+ int feed_fd;
+ /* input format handling */
+ AVFormatContext *fmt_in;
+ /* output format handling */
+ struct FFStream *stream;
+ AVFormatContext fmt_ctx;
+ int last_packet_sent; /* true if last data packet was sent */
+} HTTPContext;
+
+/* each generated stream is described here */
+enum StreamType {
+ STREAM_TYPE_LIVE,
+ STREAM_TYPE_STATUS,
+};
+
+/* description of each stream of the ffserver.conf file */
+typedef struct FFStream {
+ enum StreamType stream_type;
+ char filename[1024]; /* stream filename */
+ struct FFStream *feed;
+ AVFormat *fmt;
+ int nb_streams;
+ AVStream *streams[MAX_STREAMS];
+ int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
+ char feed_filename[1024]; /* file name of the feed storage, or
+ input file name for a stream */
+ struct FFStream *next;
+ /* feed specific */
+ int feed_opened; /* true if someone if writing to feed */
+ int is_feed; /* true if it is a feed */
+ INT64 feed_max_size; /* maximum storage size */
+ INT64 feed_write_index; /* current write position in feed (it wraps round) */
+ INT64 feed_size; /* current size of feed */
+ struct FFStream *next_feed;
+} FFStream;
+
+typedef struct FeedData {
+ long long data_count;
+ float avg_frame_size; /* frame size averraged over last frames with exponential mean */
+} FeedData;
+
+struct sockaddr_in my_addr;
+char logfilename[1024];
+HTTPContext *first_http_ctx;
+FFStream *first_feed; /* contains only feeds */
+FFStream *first_stream; /* contains all streams, including feeds */
+
+static int handle_http(HTTPContext *c, long cur_time);
+static int http_parse_request(HTTPContext *c);
+static int http_send_data(HTTPContext *c);
+static void compute_stats(HTTPContext *c);
+static int open_input_stream(HTTPContext *c, const char *info);
+static int http_start_receive_data(HTTPContext *c);
+static int http_receive_data(HTTPContext *c);
+
+int nb_max_connections;
+int nb_connections;
+
+static long gettime_ms(void)
+{
+ struct timeval tv;
+
+ gettimeofday(&tv,NULL);
+ return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
+}
+
+static FILE *logfile = NULL;
+
+static void http_log(char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+
+ if (logfile)
+ vfprintf(logfile, fmt, ap);
+ va_end(ap);
+}
+
+/* main loop of the http server */
+static int http_server(struct sockaddr_in my_addr)
+{
+ int server_fd, tmp, ret;
+ struct sockaddr_in from_addr;
+ struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 1], *poll_entry;
+ HTTPContext *c, **cp;
+ long cur_time;
+
+ server_fd = socket(AF_INET,SOCK_STREAM,0);
+ if (server_fd < 0) {
+ perror ("socket");
+ return -1;
+ }
+
+ tmp = 1;
+ setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
+
+ if (bind (server_fd, (struct sockaddr *) &my_addr, sizeof (my_addr)) < 0) {
+ perror ("bind");
+ close(server_fd);
+ return -1;
+ }
+
+ if (listen (server_fd, 5) < 0) {
+ perror ("listen");
+ close(server_fd);
+ return -1;
+ }
+
+ http_log("ffserver started.\n");
+
+ fcntl(server_fd, F_SETFL, O_NONBLOCK);
+ first_http_ctx = NULL;
+ nb_connections = 0;
+ first_http_ctx = NULL;
+ for(;;) {
+ poll_entry = poll_table;
+ poll_entry->fd = server_fd;
+ poll_entry->events = POLLIN;
+ poll_entry++;
+
+ /* wait for events on each HTTP handle */
+ c = first_http_ctx;
+ while (c != NULL) {
+ int fd;
+ fd = c->fd;
+ switch(c->state) {
+ case HTTPSTATE_WAIT_REQUEST:
+ c->poll_entry = poll_entry;
+ poll_entry->fd = fd;
+ poll_entry->events = POLLIN;
+ poll_entry++;
+ break;
+ case HTTPSTATE_SEND_HEADER:
+ case HTTPSTATE_SEND_DATA_HEADER:
+ case HTTPSTATE_SEND_DATA:
+ case HTTPSTATE_SEND_DATA_TRAILER:
+ c->poll_entry = poll_entry;
+ poll_entry->fd = fd;
+ poll_entry->events = POLLOUT;
+ poll_entry++;
+ break;
+ case HTTPSTATE_RECEIVE_DATA:
+ c->poll_entry = poll_entry;
+ poll_entry->fd = fd;
+ poll_entry->events = POLLIN;
+ poll_entry++;
+ break;
+ case HTTPSTATE_WAIT_FEED:
+ /* need to catch errors */
+ c->poll_entry = poll_entry;
+ poll_entry->fd = fd;
+ poll_entry->events = 0;
+ poll_entry++;
+ break;
+ default:
+ c->poll_entry = NULL;
+ break;
+ }
+ c = c->next;
+ }
+
+ /* wait for an event on one connection. We poll at least every
+ second to handle timeouts */
+ do {
+ ret = poll(poll_table, poll_entry - poll_table, 1000);
+ } while (ret == -1);
+
+ cur_time = gettime_ms();
+
+ /* now handle the events */
+
+ cp = &first_http_ctx;
+ while ((*cp) != NULL) {
+ c = *cp;
+ if (handle_http (c, cur_time) < 0) {
+ /* close and free the connection */
+ close(c->fd);
+ if (c->fmt_in)
+ av_close_input_file(c->fmt_in);
+ *cp = c->next;
+ free(c);
+ nb_connections--;
+ } else {
+ cp = &c->next;
+ }
+ }
+
+ /* new connection request ? */
+ poll_entry = poll_table;
+ if (poll_entry->revents & POLLIN) {
+ int fd, len;
+
+ len = sizeof(from_addr);
+ fd = accept(server_fd, (struct sockaddr *)&from_addr,
+ &len);
+ if (fd >= 0) {
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ /* XXX: should output a warning page when coming
+ close to the connection limit */
+ if (nb_connections >= nb_max_connections) {
+ close(fd);
+ } else {
+ /* add a new connection */
+ c = av_mallocz(sizeof(HTTPContext));
+ c->next = first_http_ctx;
+ first_http_ctx = c;
+ c->fd = fd;
+ c->poll_entry = NULL;
+ c->from_addr = from_addr;
+ c->state = HTTPSTATE_WAIT_REQUEST;
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer + IOBUFFER_MAX_SIZE;
+ c->timeout = cur_time + REQUEST_TIMEOUT;
+ nb_connections++;
+ }
+ }
+ }
+ poll_entry++;
+ }
+}
+
+static int handle_http(HTTPContext *c, long cur_time)
+{
+ int len;
+
+ switch(c->state) {
+ case HTTPSTATE_WAIT_REQUEST:
+ /* timeout ? */
+ if ((c->timeout - cur_time) < 0)
+ return -1;
+ if (c->poll_entry->revents & (POLLERR | POLLHUP))
+ return -1;
+
+ /* no need to read if no events */
+ if (!(c->poll_entry->revents & POLLIN))
+ return 0;
+ /* read the data */
+ len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ if (len < 0) {
+ if (errno != EAGAIN && errno != EINTR)
+ return -1;
+ } else if (len == 0) {
+ return -1;
+ } else {
+ /* search for end of request. XXX: not fully correct since garbage could come after the end */
+ UINT8 *ptr;
+ c->buffer_ptr += len;
+ ptr = c->buffer_ptr;
+ if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
+ (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
+ /* request found : parse it and reply */
+ if (http_parse_request(c) < 0)
+ return -1;
+ } else if (ptr >= c->buffer_end) {
+ /* request too long: cannot do anything */
+ return -1;
+ }
+ }
+ break;
+
+ case HTTPSTATE_SEND_HEADER:
+ if (c->poll_entry->revents & (POLLERR | POLLHUP))
+ return -1;
+
+ /* no need to read if no events */
+ if (!(c->poll_entry->revents & POLLOUT))
+ return 0;
+ len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ if (len < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ /* error : close connection */
+ return -1;
+ }
+ } else {
+ c->buffer_ptr += len;
+ if (c->buffer_ptr >= c->buffer_end) {
+ /* if error, exit */
+ if (c->http_error)
+ return -1;
+ /* all the buffer was send : synchronize to the incoming stream */
+ c->state = HTTPSTATE_SEND_DATA_HEADER;
+ c->buffer_ptr = c->buffer_end = c->buffer;
+ }
+ }
+ break;
+
+ case HTTPSTATE_SEND_DATA:
+ case HTTPSTATE_SEND_DATA_HEADER:
+ case HTTPSTATE_SEND_DATA_TRAILER:
+ /* no need to read if no events */
+ if (c->poll_entry->revents & (POLLERR | POLLHUP))
+ return -1;
+
+ if (!(c->poll_entry->revents & POLLOUT))
+ return 0;
+ if (http_send_data(c) < 0)
+ return -1;
+ break;
+ case HTTPSTATE_RECEIVE_DATA:
+ /* no need to read if no events */
+ if (c->poll_entry->revents & (POLLERR | POLLHUP))
+ return -1;
+ if (!(c->poll_entry->revents & POLLIN))
+ return 0;
+ if (http_receive_data(c) < 0)
+ return -1;
+ break;
+ case HTTPSTATE_WAIT_FEED:
+ /* no need to read if no events */
+ if (c->poll_entry->revents & (POLLERR | POLLHUP))
+ return -1;
+
+ /* nothing to do, we'll be waken up by incoming feed packets */
+ break;
+ default:
+ return -1;
+ }
+ return 0;
+}
+
+/* parse http request and prepare header */
+static int http_parse_request(HTTPContext *c)
+{
+ char *p;
+ int post;
+ char cmd[32];
+ char info[1024], *filename;
+ char url[1024], *q;
+ char protocol[32];
+ char msg[1024];
+ const char *mime_type;
+ FFStream *stream;
+
+ p = c->buffer;
+ q = cmd;
+ while (!isspace(*p) && *p != '\0') {
+ if ((q - cmd) < sizeof(cmd) - 1)
+ *q++ = *p;
+ p++;
+ }
+ *q = '\0';
+ if (!strcmp(cmd, "GET"))
+ post = 0;
+ else if (!strcmp(cmd, "POST"))
+ post = 1;
+ else
+ return -1;
+
+ while (isspace(*p)) p++;
+ q = url;
+ while (!isspace(*p) && *p != '\0') {
+ if ((q - url) < sizeof(url) - 1)
+ *q++ = *p;
+ p++;
+ }
+ *q = '\0';
+
+ while (isspace(*p)) p++;
+ q = protocol;
+ while (!isspace(*p) && *p != '\0') {
+ if ((q - protocol) < sizeof(protocol) - 1)
+ *q++ = *p;
+ p++;
+ }
+ *q = '\0';
+ if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
+ return -1;
+
+ /* find the filename and the optional info string in the request */
+ p = url;
+ if (*p == '/')
+ p++;
+ filename = p;
+ p = strchr(p, '?');
+ if (p) {
+ strcpy(info, p);
+ *p = '\0';
+ } else {
+ info[0] = '\0';
+ }
+
+ stream = first_stream;
+ while (stream != NULL) {
+ if (!strcmp(stream->filename, filename))
+ break;
+ stream = stream->next;
+ }
+ if (stream == NULL) {
+ sprintf(msg, "File '%s' not found", url);
+ goto send_error;
+ }
+ c->stream = stream;
+
+ /* should do it after so that the size can be computed */
+ {
+ char buf1[32], buf2[32], *p;
+ time_t ti;
+ /* XXX: reentrant function ? */
+ p = inet_ntoa(c->from_addr.sin_addr);
+ strcpy(buf1, p);
+ ti = time(NULL);
+ p = ctime(&ti);
+ strcpy(buf2, p);
+ p = buf2 + strlen(p) - 1;
+ if (*p == '\n')
+ *p = '\0';
+ http_log("%s - - [%s] \"%s %s %s\" %d %d\n",
+ buf1, buf2, cmd, url, protocol, 200, 1024);
+ }
+
+ /* XXX: add there authenticate and IP match */
+
+ if (post) {
+ /* if post, it means a feed is being sent */
+ if (!stream->is_feed) {
+ sprintf(msg, "POST command not handled");
+ goto send_error;
+ }
+ if (http_start_receive_data(c) < 0) {
+ sprintf(msg, "could not open feed");
+ goto send_error;
+ }
+ c->http_error = 0;
+ c->state = HTTPSTATE_RECEIVE_DATA;
+ return 0;
+ }
+
+ if (c->stream->stream_type == STREAM_TYPE_STATUS)
+ goto send_stats;
+
+ /* open input stream */
+ if (open_input_stream(c, info) < 0) {
+ sprintf(msg, "Input stream corresponding to '%s' not found", url);
+ goto send_error;
+ }
+
+ /* prepare http header */
+ q = c->buffer;
+ q += sprintf(q, "HTTP/1.0 200 OK\r\n");
+ mime_type = c->stream->fmt->mime_type;
+ if (!mime_type)
+ mime_type = "application/x-octet_stream";
+ q += sprintf(q, "Content-type: %s\r\n", mime_type);
+ q += sprintf(q, "Pragma: no-cache\r\n");
+
+ /* for asf, we need extra headers */
+ if (!strcmp(c->stream->fmt->name,"asf")) {
+ q += sprintf(q, "Pragma: features=broadcast\r\n");
+ }
+ q += sprintf(q, "\r\n");
+
+ /* prepare output buffer */
+ c->http_error = 0;
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ send_error:
+ c->http_error = 404;
+ q = c->buffer;
+ q += sprintf(q, "HTTP/1.0 404 Not Found\r\n");
+ q += sprintf(q, "Content-type: %s\r\n", "text/html");
+ q += sprintf(q, "\r\n");
+ q += sprintf(q, "<HTML>\n");
+ q += sprintf(q, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
+ q += sprintf(q, "<BODY>%s</BODY>\n", msg);
+ q += sprintf(q, "</HTML>\n");
+
+ /* prepare output buffer */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ send_stats:
+ compute_stats(c);
+ c->http_error = 200; /* horrible : we use this value to avoid
+ going to the send data state */
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+}
+
+static void compute_stats(HTTPContext *c)
+{
+ HTTPContext *c1;
+ FFStream *stream;
+ char *q, *p;
+ time_t ti;
+ int i;
+
+ q = c->buffer;
+ q += sprintf(q, "HTTP/1.0 200 OK\r\n");
+ q += sprintf(q, "Content-type: %s\r\n", "text/html");
+ q += sprintf(q, "Pragma: no-cache\r\n");
+ q += sprintf(q, "\r\n");
+
+ q += sprintf(q, "<HEAD><TITLE>FFServer Status</TITLE></HEAD>\n<BODY>");
+ q += sprintf(q, "<H1>FFServer Status</H1>\n");
+ /* format status */
+ q += sprintf(q, "<H1>Available Streams</H1>\n");
+ q += sprintf(q, "<TABLE>\n");
+ q += sprintf(q, "<TR><TD>Path<TD>Format<TD>Bit rate (kbits/s)<TD>Video<TD>Audio<TD>Feed\n");
+ stream = first_stream;
+ while (stream != NULL) {
+ q += sprintf(q, "<TR><TD><A HREF=\"/%s\">%s</A> ",
+ stream->filename, stream->filename);
+ switch(stream->stream_type) {
+ case STREAM_TYPE_LIVE:
+ {
+ int audio_bit_rate = 0;
+ int video_bit_rate = 0;
+
+ for(i=0;i<stream->nb_streams;i++) {
+ AVStream *st = stream->streams[i];
+ switch(st->codec.codec_type) {
+ case CODEC_TYPE_AUDIO:
+ audio_bit_rate += st->codec.bit_rate;
+ break;
+ case CODEC_TYPE_VIDEO:
+ video_bit_rate += st->codec.bit_rate;
+ break;
+ }
+ }
+ q += sprintf(q, "<TD> %s <TD> %d <TD> %d <TD> %d",
+ stream->fmt->name,
+ (audio_bit_rate + video_bit_rate) / 1000,
+ video_bit_rate / 1000, audio_bit_rate / 1000);
+ if (stream->feed) {
+ q += sprintf(q, "<TD>%s", stream->feed->filename);
+ } else {
+ q += sprintf(q, "<TD>%s", stream->feed_filename);
+ }
+ q += sprintf(q, "\n");
+ }
+ break;
+ default:
+ q += sprintf(q, "<TD> - <TD> - <TD> - <TD> -\n");
+ break;
+ }
+ stream = stream->next;
+ }
+ q += sprintf(q, "</TABLE>\n");
+
+#if 0
+ {
+ float avg;
+ AVCodecContext *enc;
+ char buf[1024];
+
+ /* feed status */
+ stream = first_feed;
+ while (stream != NULL) {
+ q += sprintf(q, "<H1>Feed '%s'</H1>\n", stream->filename);
+ q += sprintf(q, "<TABLE>\n");
+ q += sprintf(q, "<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;
+ q += sprintf(q, "<TR><TD>%s <TD> %d <TD> %Ld <TD> %0.1f\n",
+ buf, enc->frame_number, fdata->data_count, avg / 1000.0);
+ }
+ q += sprintf(q, "</TABLE>\n");
+ stream = stream->next_feed;
+ }
+ }
+#endif
+
+ /* connection status */
+ q += sprintf(q, "<H1>Connection Status</H1>\n");
+
+ q += sprintf(q, "Number of connections: %d / %d<BR>\n",
+ nb_connections, nb_max_connections);
+
+ q += sprintf(q, "<TABLE>\n");
+ q += sprintf(q, "<TR><TD>#<TD>File<TD>IP<TD>State<TD>Size\n");
+ c1 = first_http_ctx;
+ i = 0;
+ while (c1 != NULL) {
+ i++;
+ p = inet_ntoa(c1->from_addr.sin_addr);
+ q += sprintf(q, "<TR><TD><B>%d</B><TD>%s%s <TD> %s <TD> %s <TD> %Ld\n",
+ i, c1->stream->filename,
+ c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
+ p,
+ http_state[c1->state],
+ c1->data_count);
+ c1 = c1->next;
+ }
+ q += sprintf(q, "</TABLE>\n");
+
+ /* date */
+ ti = time(NULL);
+ p = ctime(&ti);
+ q += sprintf(q, "<HR>Generated at %s", p);
+ q += sprintf(q, "</BODY>\n</HTML>\n");
+
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+}
+
+
+static void http_write_packet(void *opaque,
+ unsigned char *buf, int size)
+{
+ HTTPContext *c = opaque;
+ if (size > IOBUFFER_MAX_SIZE)
+ abort();
+ memcpy(c->buffer, buf, size);
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer + size;
+}
+
+static int open_input_stream(HTTPContext *c, const char *info)
+{
+ char buf[128];
+ char input_filename[1024];
+ AVFormatContext *s;
+ int buf_size;
+ INT64 stream_pos;
+
+ /* find file name */
+ if (c->stream->feed) {
+ strcpy(input_filename, c->stream->feed->feed_filename);
+ buf_size = FFM_PACKET_SIZE;
+ /* compute position (absolute time) */
+ if (find_info_tag(buf, sizeof(buf), "date", info)) {
+ stream_pos = parse_date(buf, 0);
+ } else {
+ stream_pos = gettime();
+ }
+ } else {
+ strcpy(input_filename, c->stream->feed_filename);
+ buf_size = 0;
+ /* compute position (relative time) */
+ if (find_info_tag(buf, sizeof(buf), "date", info)) {
+ stream_pos = parse_date(buf, 1);
+ } else {
+ stream_pos = 0;
+ }
+ }
+ if (input_filename[0] == '\0')
+ return -1;
+
+ /* open stream */
+ s = av_open_input_file(input_filename, buf_size);
+ if (!s)
+ return -1;
+ c->fmt_in = s;
+
+ if (c->fmt_in->format->read_seek) {
+ c->fmt_in->format->read_seek(c->fmt_in, stream_pos);
+ }
+
+ // printf("stream %s opened pos=%0.6f\n", input_filename, stream_pos / 1000000.0);
+ return 0;
+}
+
+static int http_prepare_data(HTTPContext *c)
+{
+ int i;
+
+ switch(c->state) {
+ case HTTPSTATE_SEND_DATA_HEADER:
+ memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
+ if (c->stream->feed) {
+ /* open output stream by using specified codecs */
+ c->fmt_ctx.format = c->stream->fmt;
+ c->fmt_ctx.nb_streams = c->stream->nb_streams;
+ for(i=0;i<c->fmt_ctx.nb_streams;i++) {
+ AVStream *st;
+ st = av_mallocz(sizeof(AVStream));
+ c->fmt_ctx.streams[i] = st;
+ memcpy(st, c->stream->streams[i], sizeof(AVStream));
+ st->codec.frame_number = 0; /* XXX: should be done in
+ AVStream, not in codec */
+ c->got_key_frame[i] = 0;
+ }
+ } else {
+ /* open output stream by using codecs in specified file */
+ c->fmt_ctx.format = c->stream->fmt;
+ c->fmt_ctx.nb_streams = c->fmt_in->nb_streams;
+ for(i=0;i<c->fmt_ctx.nb_streams;i++) {
+ AVStream *st;
+ st = av_mallocz(sizeof(AVStream));
+ c->fmt_ctx.streams[i] = st;
+ memcpy(st, c->fmt_in->streams[i], sizeof(AVStream));
+ st->codec.frame_number = 0; /* XXX: should be done in
+ AVStream, not in codec */
+ c->got_key_frame[i] = 0;
+ }
+ }
+ init_put_byte(&c->fmt_ctx.pb, c->buffer, IOBUFFER_MAX_SIZE,
+ 1, c, NULL, http_write_packet, NULL);
+ c->fmt_ctx.pb.is_streamed = 1;
+ /* prepare header */
+ c->fmt_ctx.format->write_header(&c->fmt_ctx);
+ c->state = HTTPSTATE_SEND_DATA;
+ c->last_packet_sent = 0;
+ break;
+ case HTTPSTATE_SEND_DATA:
+ /* find a new packet */
+#if 0
+ fifo_total_size = http_fifo_write_count - c->last_http_fifo_write_count;
+ if (fifo_total_size >= ((3 * FIFO_MAX_SIZE) / 4)) {
+ /* overflow : resync. We suppose that wptr is at this
+ point a pointer to a valid packet */
+ c->rptr = http_fifo.wptr;
+ for(i=0;i<c->fmt_ctx.nb_streams;i++) {
+ c->got_key_frame[i] = 0;
+ }
+ }
+
+ start_rptr = c->rptr;
+ if (fifo_read(&http_fifo, (UINT8 *)&hdr, sizeof(hdr), &c->rptr) < 0)
+ return 0;
+ payload_size = ntohs(hdr.payload_size);
+ payload = malloc(payload_size);
+ if (fifo_read(&http_fifo, payload, payload_size, &c->rptr) < 0) {
+ /* cannot read all the payload */
+ free(payload);
+ c->rptr = start_rptr;
+ return 0;
+ }
+
+ c->last_http_fifo_write_count = http_fifo_write_count -
+ fifo_size(&http_fifo, c->rptr);
+
+ if (c->stream->stream_type != STREAM_TYPE_MASTER) {
+ /* test if the packet can be handled by this format */
+ ret = 0;
+ for(i=0;i<c->fmt_ctx.nb_streams;i++) {
+ AVStream *st = c->fmt_ctx.streams[i];
+ if (test_header(&hdr, &st->codec)) {
+ /* only begin sending when got a key frame */
+ if (st->codec.key_frame)
+ c->got_key_frame[i] = 1;
+ if (c->got_key_frame[i]) {
+ ret = c->fmt_ctx.format->write_packet(&c->fmt_ctx, i,
+ payload, payload_size);
+ }
+ break;
+ }
+ }
+ if (ret) {
+ /* must send trailer now */
+ c->state = HTTPSTATE_SEND_DATA_TRAILER;
+ }
+ } else {
+ /* master case : send everything */
+ char *q;
+ q = c->buffer;
+ memcpy(q, &hdr, sizeof(hdr));
+ q += sizeof(hdr);
+ memcpy(q, payload, payload_size);
+ q += payload_size;
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ }
+ free(payload);
+#endif
+ {
+ AVPacket pkt;
+
+ /* read a packet from the input stream */
+ if (c->stream->feed) {
+ ffm_set_write_index(c->fmt_in,
+ c->stream->feed->feed_write_index,
+ c->stream->feed->feed_size);
+ }
+ if (av_read_packet(c->fmt_in, &pkt) < 0) {
+ if (c->stream->feed && c->stream->feed->feed_opened) {
+ /* if coming from feed, it means we reached the end of the
+ ffm file, so must wait for more data */
+ c->state = HTTPSTATE_WAIT_FEED;
+ return 1; /* state changed */
+ } else {
+ /* must send trailer now because eof or error */
+ c->state = HTTPSTATE_SEND_DATA_TRAILER;
+ }
+ } else {
+ /* send it to the appropriate stream */
+ if (c->stream->feed) {
+ /* if coming from a feed, select the right stream */
+ for(i=0;i<c->stream->nb_streams;i++) {
+ if (c->stream->feed_streams[i] == pkt.stream_index) {
+ pkt.stream_index = i;
+ goto send_it;
+ }
+ }
+ } else {
+ send_it:
+ av_write_packet(&c->fmt_ctx, &pkt);
+ }
+
+ av_free_packet(&pkt);
+ }
+ }
+ break;
+ default:
+ case HTTPSTATE_SEND_DATA_TRAILER:
+ /* last packet test ? */
+ if (c->last_packet_sent)
+ return -1;
+ /* prepare header */
+ c->fmt_ctx.format->write_trailer(&c->fmt_ctx);
+ c->last_packet_sent = 1;
+ break;
+ }
+ return 0;
+}
+
+/* should convert the format at the same time */
+static int http_send_data(HTTPContext *c)
+{
+ int len, ret;
+
+ while (c->buffer_ptr >= c->buffer_end) {
+ ret = http_prepare_data(c);
+ if (ret < 0)
+ return -1;
+ else if (ret == 0) {
+ break;
+ } else {
+ /* state change requested */
+ return 0;
+ }
+ }
+
+ len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ if (len < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ /* error : close connection */
+ return -1;
+ }
+ } else {
+ c->buffer_ptr += len;
+ c->data_count += len;
+ }
+ return 0;
+}
+
+static int http_start_receive_data(HTTPContext *c)
+{
+ int fd;
+
+ if (c->stream->feed_opened)
+ return -1;
+
+ /* open feed */
+ fd = open(c->stream->feed_filename, O_RDWR);
+ if (fd < 0)
+ return -1;
+ c->feed_fd = fd;
+
+ c->stream->feed_write_index = ffm_read_write_index(fd);
+ c->stream->feed_size = lseek(fd, 0, SEEK_END);
+ lseek(fd, 0, SEEK_SET);
+
+ /* init buffer input */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer + FFM_PACKET_SIZE;
+ c->stream->feed_opened = 1;
+ return 0;
+}
+
+static int http_receive_data(HTTPContext *c)
+{
+ int len;
+ HTTPContext *c1;
+
+ if (c->buffer_ptr >= c->buffer_end) {
+ /* a packet has been received : write it in the store, except
+ if header */
+ if (c->data_count > FFM_PACKET_SIZE) {
+ FFStream *feed = c->stream;
+
+ // printf("writing pos=0x%Lx size=0x%Lx\n", feed->feed_write_index, feed->feed_size);
+ /* XXX: use llseek or url_seek */
+ lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
+ write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
+
+ feed->feed_write_index += FFM_PACKET_SIZE;
+ /* update file size */
+ if (feed->feed_write_index > c->stream->feed_size)
+ feed->feed_size = feed->feed_write_index;
+
+ /* handle wrap around if max file size reached */
+ if (feed->feed_write_index >= c->stream->feed_max_size)
+ feed->feed_write_index = FFM_PACKET_SIZE;
+
+ /* write index */
+ ffm_write_write_index(c->feed_fd, feed->feed_write_index);
+
+ /* wake up any waiting connections */
+ for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
+ if (c1->state == HTTPSTATE_WAIT_FEED &&
+ c1->stream->feed == c->stream->feed) {
+ c1->state = HTTPSTATE_SEND_DATA;
+ }
+ }
+ }
+ c->buffer_ptr = c->buffer;
+ }
+
+ len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ if (len < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ /* error : close connection */
+ goto fail;
+ }
+ } else if (len == 0) {
+ /* end of connection : close it */
+ goto fail;
+ } else {
+ c->buffer_ptr += len;
+ c->data_count += len;
+ }
+ return 0;
+ fail:
+ c->stream->feed_opened = 0;
+ close(c->feed_fd);
+ return -1;
+}
+
+/* return the stream number in the feed */
+int add_av_stream(FFStream *feed,
+ AVStream *st)
+{
+ AVStream *fst;
+ AVCodecContext *av, *av1;
+ int i;
+
+ av = &st->codec;
+ for(i=0;i<feed->nb_streams;i++) {
+ st = feed->streams[i];
+ av1 = &st->codec;
+ if (av1->codec == av->codec &&
+ av1->bit_rate == av->bit_rate) {
+
+ switch(av->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ if (av1->channels == av->channels &&
+ av1->sample_rate == av->sample_rate)
+ goto found;
+ break;
+ case CODEC_TYPE_VIDEO:
+ if (av1->width == av->width &&
+ av1->height == av->height &&
+ av1->frame_rate == av->frame_rate &&
+ av1->gop_size == av->gop_size)
+ goto found;
+ break;
+ }
+ }
+ }
+
+ fst = av_mallocz(sizeof(AVStream));
+ if (!fst)
+ return -1;
+ fst->priv_data = av_mallocz(sizeof(FeedData));
+ memcpy(&fst->codec, av, sizeof(AVCodecContext));
+ feed->streams[feed->nb_streams++] = fst;
+ return feed->nb_streams - 1;
+ found:
+ return i;
+}
+
+/* compute the needed AVStream for each feed */
+void build_feed_streams(void)
+{
+ FFStream *stream, *feed;
+ int i;
+
+ /* gather all streams */
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ feed = stream->feed;
+ if (feed) {
+ if (!stream->is_feed) {
+ for(i=0;i<stream->nb_streams;i++) {
+ stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
+ }
+ } else {
+ for(i=0;i<stream->nb_streams;i++) {
+ stream->feed_streams[i] = i;
+ }
+ }
+ }
+ }
+
+ /* create feed files if needed */
+ for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
+ int fd;
+
+ if (!url_exist(feed->feed_filename)) {
+ AVFormatContext s1, *s = &s1;
+
+ /* only write the header of the ffm file */
+ if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
+ fprintf(stderr, "Could not open output feed file '%s'\n",
+ feed->feed_filename);
+ exit(1);
+ }
+ s->format = feed->fmt;
+ s->nb_streams = feed->nb_streams;
+ for(i=0;i<s->nb_streams;i++) {
+ AVStream *st;
+ st = feed->streams[i];
+ s->streams[i] = st;
+ }
+ s->format->write_header(s);
+
+ url_fclose(&s->pb);
+ }
+ /* get feed size and write index */
+ fd = open(feed->feed_filename, O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "Could not open output feed file '%s'\n",
+ feed->feed_filename);
+ exit(1);
+ }
+
+ feed->feed_write_index = ffm_read_write_index(fd);
+ 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_size)
+ feed->feed_max_size = feed->feed_size;
+
+ close(fd);
+ }
+}
+
+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 */
+void add_codec(FFStream *stream, AVCodecContext *av)
+{
+ AVStream *st;
+
+ /* compute default parameters */
+ switch(av->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ if (av->bit_rate == 0)
+ av->bit_rate = 64000;
+ if (av->sample_rate == 0)
+ av->sample_rate = 22050;
+ if (av->channels == 0)
+ av->channels = 1;
+ break;
+ case CODEC_TYPE_VIDEO:
+ if (av->bit_rate == 0)
+ av->bit_rate = 64000;
+ if (av->frame_rate == 0)
+ av->frame_rate = 5 * FRAME_RATE_BASE;
+ if (av->width == 0 || av->height == 0) {
+ av->width = 160;
+ av->height = 128;
+ }
+ break;
+ }
+
+ st = av_mallocz(sizeof(AVStream));
+ if (!st)
+ return;
+ stream->streams[stream->nb_streams++] = st;
+ memcpy(&st->codec, av, sizeof(AVCodecContext));
+}
+
+int parse_ffconfig(const char *filename)
+{
+ FILE *f;
+ char line[1024];
+ char cmd[64];
+ char arg[1024];
+ const char *p;
+ int val, errors, line_num;
+ FFStream **last_stream, *stream;
+ FFStream **last_feed, *feed;
+ AVCodecContext audio_enc, video_enc;
+ int audio_id, video_id;
+
+ f = fopen(filename, "r");
+ if (!f) {
+ perror(filename);
+ return -1;
+ }
+
+ errors = 0;
+ line_num = 0;
+ first_stream = NULL;
+ last_stream = &first_stream;
+ first_feed = NULL;
+ last_feed = &first_feed;
+ stream = NULL;
+ feed = NULL;
+ audio_id = CODEC_ID_NONE;
+ video_id = CODEC_ID_NONE;
+ for(;;) {
+ if (fgets(line, sizeof(line), f) == NULL)
+ break;
+ line_num++;
+ p = line;
+ while (isspace(*p))
+ p++;
+ if (*p == '\0' || *p == '#')
+ continue;
+
+ get_arg(cmd, sizeof(cmd), &p);
+
+ if (!strcasecmp(cmd, "Port")) {
+ get_arg(arg, sizeof(arg), &p);
+ my_addr.sin_port = htons (atoi(arg));
+ } else if (!strcasecmp(cmd, "BindAddress")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (!inet_aton(arg, &my_addr.sin_addr)) {
+ fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ } else if (!strcasecmp(cmd, "MaxClients")) {
+ get_arg(arg, sizeof(arg), &p);
+ val = atoi(arg);
+ if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
+ fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
+ filename, line_num, arg);
+ errors++;
+ } else {
+ nb_max_connections = val;
+ }
+ } else if (!strcasecmp(cmd, "CustomLog")) {
+ get_arg(logfilename, sizeof(logfilename), &p);
+ } else if (!strcasecmp(cmd, "<Feed")) {
+ /*********************************************/
+ /* Feed related options */
+ char *q;
+ if (stream || feed) {
+ fprintf(stderr, "%s:%d: Already in a tag\n",
+ 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';
+ feed->fmt = guess_format("ffm", NULL, NULL);
+ /* defaut feed file */
+ snprintf(feed->feed_filename, sizeof(feed->feed_filename),
+ "/tmp/%s.ffm", feed->filename);
+ feed->feed_max_size = 5 * 1024 * 1024;
+ feed->is_feed = 1;
+ feed->feed = feed; /* self feeding :-) */
+ }
+ } else if (!strcasecmp(cmd, "File")) {
+ if (feed) {
+ 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, "FileMaxSize")) {
+ if (feed) {
+ const char *p1;
+ double fsize;
+
+ get_arg(arg, sizeof(arg), &p);
+ p1 = arg;
+ fsize = strtod(p1, (char **)&p1);
+ switch(toupper(*p1)) {
+ case 'K':
+ fsize *= 1024;
+ break;
+ case 'M':
+ fsize *= 1024 * 1024;
+ break;
+ case 'G':
+ fsize *= 1024 * 1024 * 1024;
+ break;
+ }
+ feed->feed_max_size = (INT64)fsize;
+ }
+ } else if (!strcasecmp(cmd, "</Feed>")) {
+ if (!feed) {
+ fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
+ filename, line_num);
+ errors++;
+ }
+ feed = NULL;
+ } else if (!strcasecmp(cmd, "<Stream")) {
+ /*********************************************/
+ /* Stream related options */
+ char *q;
+ if (stream || feed) {
+ fprintf(stderr, "%s:%d: Already in a tag\n",
+ filename, line_num);
+ } else {
+ 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';
+ stream->fmt = guess_format(NULL, stream->filename, NULL);
+ memset(&audio_enc, 0, sizeof(AVCodecContext));
+ memset(&video_enc, 0, sizeof(AVCodecContext));
+ audio_id = CODEC_ID_NONE;
+ video_id = CODEC_ID_NONE;
+ if (stream->fmt) {
+ audio_id = stream->fmt->audio_codec;
+ video_id = stream->fmt->video_codec;
+ }
+ }
+ } else if (!strcasecmp(cmd, "Feed")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ FFStream *sfeed;
+
+ sfeed = first_feed;
+ while (sfeed != NULL) {
+ if (!strcmp(sfeed->filename, arg))
+ break;
+ sfeed = sfeed->next_feed;
+ }
+ if (!sfeed) {
+ fprintf(stderr, "%s:%d: feed '%s' not defined\n",
+ filename, line_num, arg);
+ } else {
+ stream->feed = sfeed;
+ }
+ }
+ } else if (!strcasecmp(cmd, "Format")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (!strcmp(arg, "status")) {
+ stream->stream_type = STREAM_TYPE_STATUS;
+ stream->fmt = NULL;
+ } else {
+ stream->stream_type = STREAM_TYPE_LIVE;
+ stream->fmt = guess_format(arg, NULL, NULL);
+ if (!stream->fmt) {
+ fprintf(stderr, "%s:%d: Unknown Format: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ }
+ if (stream->fmt) {
+ audio_id = stream->fmt->audio_codec;
+ video_id = stream->fmt->video_codec;
+ }
+ } else if (!strcasecmp(cmd, "AudioBitRate")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ audio_enc.bit_rate = atoi(arg) * 1000;
+ }
+ } else if (!strcasecmp(cmd, "AudioChannels")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ audio_enc.channels = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "AudioSampleRate")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ audio_enc.sample_rate = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "VideoBitRate")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.bit_rate = atoi(arg) * 1000;
+ }
+ } else if (!strcasecmp(cmd, "VideoSize")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ parse_image_size(&video_enc.width, &video_enc.height, arg);
+ if ((video_enc.width % 16) != 0 ||
+ (video_enc.height % 16) != 0) {
+ fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
+ filename, line_num);
+ errors++;
+ }
+ }
+ } else if (!strcasecmp(cmd, "VideoFrameRate")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.frame_rate = (int)(strtod(arg, NULL) * FRAME_RATE_BASE);
+ }
+ } else if (!strcasecmp(cmd, "VideoGopSize")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.gop_size = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
+ if (stream) {
+ video_enc.gop_size = 1;
+ }
+ } else if (!strcasecmp(cmd, "NoVideo")) {
+ video_id = CODEC_ID_NONE;
+ } else if (!strcasecmp(cmd, "NoAudio")) {
+ audio_id = CODEC_ID_NONE;
+ } else if (!strcasecmp(cmd, "</Stream>")) {
+ if (!stream) {
+ fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
+ filename, line_num);
+ errors++;
+ }
+ if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
+ if (audio_id != CODEC_ID_NONE) {
+ audio_enc.codec_type = CODEC_TYPE_AUDIO;
+ audio_enc.codec_id = audio_id;
+ add_codec(stream, &audio_enc);
+ }
+ if (video_id != CODEC_ID_NONE) {
+ video_enc.codec_type = CODEC_TYPE_VIDEO;
+ video_enc.codec_id = video_id;
+ add_codec(stream, &video_enc);
+ }
+ }
+ stream = NULL;
+ } else {
+ fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
+ filename, line_num, cmd);
+ errors++;
+ }
+ }
+
+ fclose(f);
+ if (errors)
+ return -1;
+ else
+ return 0;
+}
+
+
+void *http_server_thread(void *arg)
+{
+ http_server(my_addr);
+ return NULL;
+}
+
+#if 0
+static void write_packet(FFCodec *ffenc,
+ UINT8 *buf, int size)
+{
+ PacketHeader hdr;
+ AVCodecContext *enc = &ffenc->enc;
+ UINT8 *wptr;
+ mk_header(&hdr, enc, size);
+ wptr = http_fifo.wptr;
+ fifo_write(&http_fifo, (UINT8 *)&hdr, sizeof(hdr), &wptr);
+ fifo_write(&http_fifo, buf, size, &wptr);
+ /* atomic modification of wptr */
+ http_fifo.wptr = wptr;
+ ffenc->data_count += size;
+ ffenc->avg_frame_size = ffenc->avg_frame_size * AVG_COEF + size * (1.0 - AVG_COEF);
+}
+#endif
+
+void help(void)
+{
+ printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000,2001 Gerard Lantau\n"
+ "usage: ffserver [-L] [-h] [-f configfile]\n"
+ "Hyper fast multi format Audio/Video streaming server\n"
+ "\n"
+ "-L : print the LICENCE\n"
+ "-h : this help\n"
+ "-f configfile : use configfile instead of /etc/ffserver.conf\n"
+ );
+}
+
+void licence(void)
+{
+ printf(
+ "ffserver version " FFMPEG_VERSION "\n"
+ "Copyright (c) 2000,2001 Gerard Lantau\n"
+ "This program is free software; you can redistribute it and/or modify\n"
+ "it under the terms of the GNU General Public License as published by\n"
+ "the Free Software Foundation; either version 2 of the License, or\n"
+ "(at your option) any later version.\n"
+ "\n"
+ "This program is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+ "GNU General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU General Public License\n"
+ "along with this program; if not, write to the Free Software\n"
+ "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n"
+ );
+}
+
+int main(int argc, char **argv)
+{
+ const char *config_filename;
+ int c;
+
+ register_all();
+
+ config_filename = "/etc/ffserver.conf";
+
+ for(;;) {
+ c = getopt_long_only(argc, argv, "Lh?f:", NULL, NULL);
+ if (c == -1)
+ break;
+ switch(c) {
+ case 'L':
+ licence();
+ exit(1);
+ case '?':
+ case 'h':
+ help();
+ exit(1);
+ case 'f':
+ config_filename = optarg;
+ break;
+ default:
+ exit(2);
+ }
+ }
+
+ /* address on which the server will handle connections */
+ my_addr.sin_family = AF_INET;
+ my_addr.sin_port = htons (8080);
+ my_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+ nb_max_connections = 5;
+ first_stream = NULL;
+ logfilename[0] = '\0';
+
+ if (parse_ffconfig(config_filename) < 0) {
+ fprintf(stderr, "Incorrect config file - exiting.\n");
+ exit(1);
+ }
+
+ build_feed_streams();
+
+ /* signal init */
+ signal(SIGPIPE, SIG_IGN);
+
+ /* open log file if needed */
+ if (logfilename[0] != '\0') {
+ if (!strcmp(logfilename, "-"))
+ logfile = stdout;
+ else
+ logfile = fopen(logfilename, "w");
+ }
+
+ if (http_server(my_addr) < 0) {
+ fprintf(stderr, "Could start http server\n");
+ exit(1);
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-01 04:18:24 +0000