mirror of https://git.ffmpeg.org/ffmpeg.git
Expose max_packet_size from the rtp protocol
Originally committed as revision 12839 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
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e6cfd8fffb
commit
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@ -84,25 +84,29 @@ static void url_add_option(char *buf, int buf_size, const char *fmt, ...)
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static void build_udp_url(char *buf, int buf_size,
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static void build_udp_url(char *buf, int buf_size,
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const char *hostname, int port,
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const char *hostname, int port,
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int local_port, int ttl)
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int local_port, int ttl,
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int max_packet_size)
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{
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{
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snprintf(buf, buf_size, "udp://%s:%d", hostname, port);
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snprintf(buf, buf_size, "udp://%s:%d", hostname, port);
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if (local_port >= 0)
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if (local_port >= 0)
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url_add_option(buf, buf_size, "localport=%d", local_port);
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url_add_option(buf, buf_size, "localport=%d", local_port);
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if (ttl >= 0)
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if (ttl >= 0)
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url_add_option(buf, buf_size, "ttl=%d", ttl);
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url_add_option(buf, buf_size, "ttl=%d", ttl);
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if (max_packet_size >=0)
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url_add_option(buf, buf_size, "pkt_size=%d", max_packet_size);
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}
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}
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/*
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/*
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* url syntax: rtp://host:port[?option=val...]
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* url syntax: rtp://host:port[?option=val...]
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* option: 'ttl=n' : set the ttl value (for multicast only)
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* option: 'ttl=n' : set the ttl value (for multicast only)
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* 'localport=n' : set the local port to n
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* 'localport=n' : set the local port to n
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* 'pkt_size=n' : set max packet size
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*
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*
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*/
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*/
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static int rtp_open(URLContext *h, const char *uri, int flags)
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static int rtp_open(URLContext *h, const char *uri, int flags)
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{
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{
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RTPContext *s;
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RTPContext *s;
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int port, is_output, ttl, local_port;
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int port, is_output, ttl, local_port, max_packet_size;
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char hostname[256];
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char hostname[256];
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char buf[1024];
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char buf[1024];
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char path[1024];
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char path[1024];
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@ -120,6 +124,8 @@ static int rtp_open(URLContext *h, const char *uri, int flags)
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/* extract parameters */
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/* extract parameters */
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ttl = -1;
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ttl = -1;
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local_port = -1;
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local_port = -1;
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max_packet_size = -1;
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p = strchr(uri, '?');
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p = strchr(uri, '?');
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if (p) {
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if (p) {
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if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
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if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
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@ -128,10 +134,13 @@ static int rtp_open(URLContext *h, const char *uri, int flags)
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if (find_info_tag(buf, sizeof(buf), "localport", p)) {
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if (find_info_tag(buf, sizeof(buf), "localport", p)) {
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local_port = strtol(buf, NULL, 10);
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local_port = strtol(buf, NULL, 10);
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}
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}
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if (find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
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max_packet_size = strtol(buf, NULL, 10);
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}
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}
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}
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build_udp_url(buf, sizeof(buf),
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build_udp_url(buf, sizeof(buf),
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hostname, port, local_port, ttl);
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hostname, port, local_port, ttl, max_packet_size);
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if (url_open(&s->rtp_hd, buf, flags) < 0)
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if (url_open(&s->rtp_hd, buf, flags) < 0)
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goto fail;
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goto fail;
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local_port = udp_get_local_port(s->rtp_hd);
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local_port = udp_get_local_port(s->rtp_hd);
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@ -140,7 +149,7 @@ static int rtp_open(URLContext *h, const char *uri, int flags)
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/* well, should suppress localport in path */
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/* well, should suppress localport in path */
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build_udp_url(buf, sizeof(buf),
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build_udp_url(buf, sizeof(buf),
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hostname, port + 1, local_port + 1, ttl);
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hostname, port + 1, local_port + 1, ttl, max_packet_size);
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if (url_open(&s->rtcp_hd, buf, flags) < 0)
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if (url_open(&s->rtcp_hd, buf, flags) < 0)
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goto fail;
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goto fail;
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