mirror of https://git.ffmpeg.org/ffmpeg.git
* Add code to configure the following:
* prebuffering/preroll a live stream -- this improves startup time * videoqmin/videoqmax/videoqdiff -- codec parameters * maximum bandwidth for live streams * Add support for .ram and .rpm extensions mapping onto .rm * Make the status page show bandwidth. Also make the .asf and .rm links go to .asx and .ram files. * Make a stream only start streaming when it gets a keyframe on each stream. This is arguable, and it maybe ought to be restricted to live streams. However, since I don't think that file streams work, this is a step in the right direction. It improves the startup delay. * Log an error if we are unable to delete the temp feed file. Originally committed as revision 501 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
3884a3c322
commit
42a63c6a02
197
ffserver.c
197
ffserver.c
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@ -83,7 +83,7 @@ typedef struct HTTPContext {
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UINT8 *buffer_ptr, *buffer_end;
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UINT8 *buffer_ptr, *buffer_end;
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int http_error;
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int http_error;
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struct HTTPContext *next;
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struct HTTPContext *next;
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int got_key_frame[MAX_STREAMS]; /* for each type */
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int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
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INT64 data_count;
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INT64 data_count;
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/* feed input */
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/* feed input */
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int feed_fd;
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int feed_fd;
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@ -94,6 +94,7 @@ typedef struct HTTPContext {
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AVFormatContext fmt_ctx;
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AVFormatContext fmt_ctx;
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int last_packet_sent; /* true if last data packet was sent */
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int last_packet_sent; /* true if last data packet was sent */
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int suppress_log;
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int suppress_log;
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int bandwidth;
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char protocol[16];
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char protocol[16];
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char method[16];
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char method[16];
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char url[128];
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char url[128];
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@ -114,6 +115,7 @@ typedef struct FFStream {
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struct FFStream *feed;
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struct FFStream *feed;
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AVFormat *fmt;
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AVFormat *fmt;
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int nb_streams;
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int nb_streams;
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int prebuffer; /* Number of millseconds early to start */
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AVStream *streams[MAX_STREAMS];
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AVStream *streams[MAX_STREAMS];
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int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
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int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
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char feed_filename[1024]; /* file name of the feed storage, or
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char feed_filename[1024]; /* file name of the feed storage, or
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@ -150,6 +152,9 @@ static int http_receive_data(HTTPContext *c);
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int nb_max_connections;
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int nb_max_connections;
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int nb_connections;
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int nb_connections;
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int nb_max_bandwidth;
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int nb_bandwidth;
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static long gettime_ms(void)
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static long gettime_ms(void)
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{
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{
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struct timeval tv;
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struct timeval tv;
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@ -296,6 +301,7 @@ static int http_server(struct sockaddr_in my_addr)
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if (c->fmt_in)
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if (c->fmt_in)
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av_close_input_file(c->fmt_in);
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av_close_input_file(c->fmt_in);
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*cp = c->next;
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*cp = c->next;
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nb_bandwidth -= c->bandwidth;
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free(c);
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free(c);
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nb_connections--;
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nb_connections--;
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} else {
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} else {
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@ -443,6 +449,7 @@ static int http_parse_request(HTTPContext *c)
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char *p;
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char *p;
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int post;
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int post;
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int doing_asx;
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int doing_asx;
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int doing_ram;
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char cmd[32];
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char cmd[32];
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char info[1024], *filename;
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char info[1024], *filename;
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char url[1024], *q;
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char url[1024], *q;
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@ -450,6 +457,7 @@ static int http_parse_request(HTTPContext *c)
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char msg[1024];
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char msg[1024];
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const char *mime_type;
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const char *mime_type;
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FFStream *stream;
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FFStream *stream;
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int i;
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p = c->buffer;
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p = c->buffer;
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q = cmd;
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q = cmd;
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@ -513,6 +521,15 @@ static int http_parse_request(HTTPContext *c)
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doing_asx = 0;
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doing_asx = 0;
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}
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}
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if (strlen(filename) > 4 &&
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(strcmp(".rpm", filename + strlen(filename) - 4) == 0 ||
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strcmp(".ram", filename + strlen(filename) - 4) == 0)) {
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doing_ram = 1;
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strcpy(filename + strlen(filename)-2, "m");
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} else {
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doing_ram = 0;
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}
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stream = first_stream;
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stream = first_stream;
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while (stream != NULL) {
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while (stream != NULL) {
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if (!strcmp(stream->filename, filename))
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if (!strcmp(stream->filename, filename))
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@ -523,7 +540,47 @@ static int http_parse_request(HTTPContext *c)
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sprintf(msg, "File '%s' not found", url);
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sprintf(msg, "File '%s' not found", url);
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goto send_error;
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goto send_error;
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}
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}
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if (doing_asx) {
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if (post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
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/* See if we meet the bandwidth requirements */
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for(i=0;i<stream->nb_streams;i++) {
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AVStream *st = stream->streams[i];
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switch(st->codec.codec_type) {
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case CODEC_TYPE_AUDIO:
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c->bandwidth += st->codec.bit_rate;
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break;
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case CODEC_TYPE_VIDEO:
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c->bandwidth += st->codec.bit_rate;
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break;
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default:
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abort();
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}
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}
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}
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c->bandwidth /= 1000;
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nb_bandwidth += c->bandwidth;
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if (post == 0 && nb_max_bandwidth < nb_bandwidth) {
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c->http_error = 200;
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q = c->buffer;
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q += sprintf(q, "HTTP/1.0 200 Server too busy\r\n");
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q += sprintf(q, "Content-type: text/html\r\n");
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q += sprintf(q, "\r\n");
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q += sprintf(q, "<html><head><title>Too busy</title></head><body>\r\n");
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q += sprintf(q, "The server is too busy to serve your request at this time.<p>\r\n");
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q += sprintf(q, "The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec\r\n",
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nb_bandwidth, nb_max_bandwidth);
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q += sprintf(q, "</body></html>\r\n");
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/* prepare output buffer */
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c->buffer_ptr = c->buffer;
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c->buffer_end = q;
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c->state = HTTPSTATE_SEND_HEADER;
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return 0;
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}
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if (doing_asx || doing_ram) {
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char *hostinfo = 0;
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char *hostinfo = 0;
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for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
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for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
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c->http_error = 200;
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c->http_error = 200;
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q = c->buffer;
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q = c->buffer;
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q += sprintf(q, "HTTP/1.0 200 ASX Follows\r\n");
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if (doing_asx) {
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q += sprintf(q, "Content-type: video/x-ms-asf\r\n");
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q += sprintf(q, "HTTP/1.0 200 ASX Follows\r\n");
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q += sprintf(q, "\r\n");
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q += sprintf(q, "Content-type: video/x-ms-asf\r\n");
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q += sprintf(q, "<ASX Version=\"3\">\r\n");
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q += sprintf(q, "\r\n");
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q += sprintf(q, "<!-- Autogenerated by ffserver -->\r\n");
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q += sprintf(q, "<ASX Version=\"3\">\r\n");
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q += sprintf(q, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
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q += sprintf(q, "<!-- Autogenerated by ffserver -->\r\n");
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hostbuf, filename, info);
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q += sprintf(q, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
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q += sprintf(q, "</ASX>\r\n");
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hostbuf, filename, info);
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q += sprintf(q, "</ASX>\r\n");
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} else if (doing_ram) {
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q += sprintf(q, "HTTP/1.0 200 RAM Follows\r\n");
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q += sprintf(q, "Content-type: audio/x-pn-realaudio\r\n");
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q += sprintf(q, "\r\n");
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q += sprintf(q, "# Autogenerated by ffserver\r\n");
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q += sprintf(q, "http://%s/%s%s\r\n",
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hostbuf, filename, info);
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} else
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abort();
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/* prepare output buffer */
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/* prepare output buffer */
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c->buffer_ptr = c->buffer;
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c->buffer_ptr = c->buffer;
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}
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}
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}
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}
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sprintf(msg, "ASX file not handled");
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sprintf(msg, "ASX/RAM file not handled");
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goto send_error;
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goto send_error;
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}
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}
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@ -706,8 +773,21 @@ static void compute_stats(HTTPContext *c)
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q += sprintf(q, "<TR><TD>Path<TD>Format<TD>Bit rate (kbits/s)<TD>Video<TD>Audio<TD>Feed\n");
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q += sprintf(q, "<TR><TD>Path<TD>Format<TD>Bit rate (kbits/s)<TD>Video<TD>Audio<TD>Feed\n");
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stream = first_stream;
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stream = first_stream;
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while (stream != NULL) {
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while (stream != NULL) {
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char sfilename[1024];
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char *eosf;
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strlcpy(sfilename, stream->filename, sizeof(sfilename) - 1);
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eosf = sfilename + strlen(sfilename);
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if (eosf - sfilename >= 4) {
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if (strcmp(eosf - 4, ".asf") == 0) {
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strcpy(eosf - 4, ".asx");
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} else if (strcmp(eosf - 3, ".rm") == 0) {
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strcpy(eosf - 3, ".ram");
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}
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}
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q += sprintf(q, "<TR><TD><A HREF=\"/%s\">%s</A> ",
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q += sprintf(q, "<TR><TD><A HREF=\"/%s\">%s</A> ",
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stream->filename, stream->filename);
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sfilename, stream->filename);
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switch(stream->stream_type) {
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switch(stream->stream_type) {
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case STREAM_TYPE_LIVE:
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case STREAM_TYPE_LIVE:
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{
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{
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@ -783,6 +863,9 @@ static void compute_stats(HTTPContext *c)
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q += sprintf(q, "Number of connections: %d / %d<BR>\n",
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q += sprintf(q, "Number of connections: %d / %d<BR>\n",
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nb_connections, nb_max_connections);
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nb_connections, nb_max_connections);
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q += sprintf(q, "Bandwidth in use: %dk / %dk<BR>\n",
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nb_bandwidth, nb_max_bandwidth);
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q += sprintf(q, "<TABLE>\n");
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q += sprintf(q, "<TABLE>\n");
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q += sprintf(q, "<TR><TD>#<TD>File<TD>IP<TD>State<TD>Size\n");
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q += sprintf(q, "<TR><TD>#<TD>File<TD>IP<TD>State<TD>Size\n");
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c1 = first_http_ctx;
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c1 = first_http_ctx;
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@ -845,7 +928,7 @@ static int open_input_stream(HTTPContext *c, const char *info)
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int prebuffer = strtol(buf, 0, 10);
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int prebuffer = strtol(buf, 0, 10);
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stream_pos = gettime() - prebuffer * 1000000;
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stream_pos = gettime() - prebuffer * 1000000;
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} else {
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} else {
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stream_pos = gettime();
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stream_pos = gettime() - c->stream->prebuffer * 1000;
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}
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}
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} else {
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} else {
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strcpy(input_filename, c->stream->feed_filename);
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strcpy(input_filename, c->stream->feed_filename);
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@ -896,8 +979,8 @@ static int http_prepare_data(HTTPContext *c)
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st->codec.frame_number = 0; /* XXX: should be done in
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st->codec.frame_number = 0; /* XXX: should be done in
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AVStream, not in codec */
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AVStream, not in codec */
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c->got_key_frame[i] = 0;
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|
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}
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}
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c->got_key_frame = 0;
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} else {
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} else {
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/* open output stream by using codecs in specified file */
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/* open output stream by using codecs in specified file */
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c->fmt_ctx.format = c->stream->fmt;
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c->fmt_ctx.format = c->stream->fmt;
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@ -909,8 +992,8 @@ static int http_prepare_data(HTTPContext *c)
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memcpy(st, c->fmt_in->streams[i], sizeof(AVStream));
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memcpy(st, c->fmt_in->streams[i], sizeof(AVStream));
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st->codec.frame_number = 0; /* XXX: should be done in
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st->codec.frame_number = 0; /* XXX: should be done in
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AVStream, not in codec */
|
AVStream, not in codec */
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c->got_key_frame[i] = 0;
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|
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}
|
}
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|
c->got_key_frame = 0;
|
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}
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}
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init_put_byte(&c->fmt_ctx.pb, c->pbuffer, PACKET_MAX_SIZE,
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init_put_byte(&c->fmt_ctx.pb, c->pbuffer, PACKET_MAX_SIZE,
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1, c, NULL, http_write_packet, NULL);
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1, c, NULL, http_write_packet, NULL);
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@ -928,9 +1011,7 @@ static int http_prepare_data(HTTPContext *c)
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/* overflow : resync. We suppose that wptr is at this
|
/* overflow : resync. We suppose that wptr is at this
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point a pointer to a valid packet */
|
point a pointer to a valid packet */
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c->rptr = http_fifo.wptr;
|
c->rptr = http_fifo.wptr;
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for(i=0;i<c->fmt_ctx.nb_streams;i++) {
|
c->got_key_frame = 0;
|
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c->got_key_frame[i] = 0;
|
|
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}
|
|
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}
|
}
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|
|
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start_rptr = c->rptr;
|
start_rptr = c->rptr;
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|
@ -956,8 +1037,8 @@ static int http_prepare_data(HTTPContext *c)
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if (test_header(&hdr, &st->codec)) {
|
if (test_header(&hdr, &st->codec)) {
|
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/* only begin sending when got a key frame */
|
/* only begin sending when got a key frame */
|
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if (st->codec.key_frame)
|
if (st->codec.key_frame)
|
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c->got_key_frame[i] = 1;
|
c->got_key_frame |= 1 << i;
|
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if (c->got_key_frame[i]) {
|
if (c->got_key_frame & (1 << i)) {
|
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ret = c->fmt_ctx.format->write_packet(&c->fmt_ctx, i,
|
ret = c->fmt_ctx.format->write_packet(&c->fmt_ctx, i,
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payload, payload_size);
|
payload, payload_size);
|
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}
|
}
|
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|
@ -1007,7 +1088,19 @@ static int http_prepare_data(HTTPContext *c)
|
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for(i=0;i<c->stream->nb_streams;i++) {
|
for(i=0;i<c->stream->nb_streams;i++) {
|
||||||
if (c->stream->feed_streams[i] == pkt.stream_index) {
|
if (c->stream->feed_streams[i] == pkt.stream_index) {
|
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pkt.stream_index = i;
|
pkt.stream_index = i;
|
||||||
goto send_it;
|
if (pkt.flags & PKT_FLAG_KEY) {
|
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|
c->got_key_frame |= 1 << i;
|
||||||
|
}
|
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|
/* See if we have all the key frames, then
|
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|
* we start to send. This logic is not quite
|
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|
* right, but it works for the case of a
|
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|
* single video stream with one or more
|
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|
* audio streams (for which every frame is
|
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|
* typically a key frame).
|
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|
*/
|
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|
if ((c->got_key_frame + 1) >> c->stream->nb_streams) {
|
||||||
|
goto send_it;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
|
@ -1353,12 +1446,16 @@ void add_codec(FFStream *stream, AVCodecContext *av)
|
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av->height = 128;
|
av->height = 128;
|
||||||
}
|
}
|
||||||
/* Bitrate tolerance is less for streaming */
|
/* Bitrate tolerance is less for streaming */
|
||||||
av->bit_rate_tolerance = av->bit_rate / 4;
|
if (av->bit_rate_tolerance == 0)
|
||||||
av->qmin = 3;
|
av->bit_rate_tolerance = av->bit_rate / 4;
|
||||||
av->qmax = 31;
|
if (av->qmin == 0)
|
||||||
|
av->qmin = 3;
|
||||||
|
if (av->qmax == 0)
|
||||||
|
av->qmax = 31;
|
||||||
|
if (av->max_qdiff == 0)
|
||||||
|
av->max_qdiff = 3;
|
||||||
av->qcompress = 0.5;
|
av->qcompress = 0.5;
|
||||||
av->qblur = 0.5;
|
av->qblur = 0.5;
|
||||||
av->max_qdiff = 3;
|
|
||||||
|
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
|
@ -1467,6 +1564,16 @@ int parse_ffconfig(const char *filename)
|
||||||
} else {
|
} else {
|
||||||
nb_max_connections = val;
|
nb_max_connections = val;
|
||||||
}
|
}
|
||||||
|
} else if (!strcasecmp(cmd, "MaxBandwidth")) {
|
||||||
|
get_arg(arg, sizeof(arg), &p);
|
||||||
|
val = atoi(arg);
|
||||||
|
if (val < 10 || val > 100000) {
|
||||||
|
fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
|
||||||
|
filename, line_num, arg);
|
||||||
|
errors++;
|
||||||
|
} else {
|
||||||
|
nb_max_bandwidth = val;
|
||||||
|
}
|
||||||
} else if (!strcasecmp(cmd, "CustomLog")) {
|
} else if (!strcasecmp(cmd, "CustomLog")) {
|
||||||
get_arg(logfilename, sizeof(logfilename), &p);
|
get_arg(logfilename, sizeof(logfilename), &p);
|
||||||
} else if (!strcasecmp(cmd, "<Feed")) {
|
} else if (!strcasecmp(cmd, "<Feed")) {
|
||||||
|
@ -1531,7 +1638,12 @@ int parse_ffconfig(const char *filename)
|
||||||
errors++;
|
errors++;
|
||||||
} else {
|
} else {
|
||||||
/* Make sure that we start out clean */
|
/* Make sure that we start out clean */
|
||||||
unlink(feed->feed_filename);
|
if (unlink(feed->feed_filename) < 0
|
||||||
|
&& errno != ENOENT) {
|
||||||
|
fprintf(stderr, "%s:%d: Unable to clean old feed file '%s': %s\n",
|
||||||
|
filename, line_num, feed->feed_filename, strerror(errno));
|
||||||
|
errors++;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
feed = NULL;
|
feed = NULL;
|
||||||
} else if (!strcasecmp(cmd, "<Stream")) {
|
} else if (!strcasecmp(cmd, "<Stream")) {
|
||||||
|
@ -1599,6 +1711,11 @@ int parse_ffconfig(const char *filename)
|
||||||
audio_id = stream->fmt->audio_codec;
|
audio_id = stream->fmt->audio_codec;
|
||||||
video_id = stream->fmt->video_codec;
|
video_id = stream->fmt->video_codec;
|
||||||
}
|
}
|
||||||
|
} else if (!strcasecmp(cmd, "Preroll")) {
|
||||||
|
get_arg(arg, sizeof(arg), &p);
|
||||||
|
if (stream) {
|
||||||
|
stream->prebuffer = atoi(arg) * 1000;
|
||||||
|
}
|
||||||
} else if (!strcasecmp(cmd, "AudioCodec")) {
|
} else if (!strcasecmp(cmd, "AudioCodec")) {
|
||||||
get_arg(arg, sizeof(arg), &p);
|
get_arg(arg, sizeof(arg), &p);
|
||||||
audio_id = opt_audio_codec(arg);
|
audio_id = opt_audio_codec(arg);
|
||||||
|
@ -1664,6 +1781,33 @@ int parse_ffconfig(const char *filename)
|
||||||
if (stream) {
|
if (stream) {
|
||||||
video_enc.flags |= CODEC_FLAG_HQ;
|
video_enc.flags |= CODEC_FLAG_HQ;
|
||||||
}
|
}
|
||||||
|
} else if (!strcasecmp(cmd, "VideoQDiff")) {
|
||||||
|
if (stream) {
|
||||||
|
video_enc.max_qdiff = atoi(arg);
|
||||||
|
if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
|
||||||
|
fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
|
||||||
|
filename, line_num);
|
||||||
|
errors++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else if (!strcasecmp(cmd, "VideoQMax")) {
|
||||||
|
if (stream) {
|
||||||
|
video_enc.qmax = atoi(arg);
|
||||||
|
if (video_enc.qmax < 1 || video_enc.qmax > 31) {
|
||||||
|
fprintf(stderr, "%s:%d: VideoQMax out of range\n",
|
||||||
|
filename, line_num);
|
||||||
|
errors++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else if (!strcasecmp(cmd, "VideoQMin")) {
|
||||||
|
if (stream) {
|
||||||
|
video_enc.qmin = atoi(arg);
|
||||||
|
if (video_enc.qmin < 1 || video_enc.qmin > 31) {
|
||||||
|
fprintf(stderr, "%s:%d: VideoQMin out of range\n",
|
||||||
|
filename, line_num);
|
||||||
|
errors++;
|
||||||
|
}
|
||||||
|
}
|
||||||
} else if (!strcasecmp(cmd, "NoVideo")) {
|
} else if (!strcasecmp(cmd, "NoVideo")) {
|
||||||
video_id = CODEC_ID_NONE;
|
video_id = CODEC_ID_NONE;
|
||||||
} else if (!strcasecmp(cmd, "NoAudio")) {
|
} else if (!strcasecmp(cmd, "NoAudio")) {
|
||||||
|
@ -1793,6 +1937,7 @@ int main(int argc, char **argv)
|
||||||
my_addr.sin_port = htons (8080);
|
my_addr.sin_port = htons (8080);
|
||||||
my_addr.sin_addr.s_addr = htonl (INADDR_ANY);
|
my_addr.sin_addr.s_addr = htonl (INADDR_ANY);
|
||||||
nb_max_connections = 5;
|
nb_max_connections = 5;
|
||||||
|
nb_max_bandwidth = 1000;
|
||||||
first_stream = NULL;
|
first_stream = NULL;
|
||||||
logfilename[0] = '\0';
|
logfilename[0] = '\0';
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue