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Rename RTSPProtocol to RTSPLowerTransport, so that its name properly tells us

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that it only describes the lower-level transport (TCP vs. UDP) and not the
actual data layout (e.g. RDT vs. RTP). See discussion in "Realmedia patch"
thread on ML.

Originally committed as revision 15481 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje
2008-09-30 13:18:41 +00:00
parent e1a96237df
commit 90abbdba1e
3 changed files with 59 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
libavformat/rtsp.c
View File

@@ -63,7 +63,7 @@ typedef struct RTSPState {
// ByteIOContext rtsp_gb;
int seq; /* RTSP command sequence number */
char session_id[512];
enum RTSPProtocol protocol;
enum RTSPLowerTransport lower_transport;
enum RTSPServerType server_type;
char last_reply[2048]; /* XXX: allocate ? */
RTPDemuxContext *cur_rtp;
@@ -94,7 +94,7 @@ static int rtsp_read_play(AVFormatContext *s);
changing this variable */
#if LIBAVFORMAT_VERSION_INT < (53 << 16)
int rtsp_default_protocols = (1 << RTSP_PROTOCOL_RTP_UDP);
int rtsp_default_protocols = (1 << RTSP_LOWER_TRANSPORT_UDP);
#endif
static int rtsp_probe(AVProbeData *p)
@@ -643,9 +643,9 @@ static void rtsp_parse_transport(RTSPHeader *reply, const char *p)
profile[0] = '\0';
}
if (!strcasecmp(lower_transport, "TCP"))
th->protocol = RTSP_PROTOCOL_RTP_TCP;
th->lower_transport = RTSP_LOWER_TRANSPORT_TCP;
else
th->protocol = RTSP_PROTOCOL_RTP_UDP;
th->lower_transport = RTSP_LOWER_TRANSPORT_UDP;
if (*p == ';')
p++;
@@ -676,8 +676,8 @@ static void rtsp_parse_transport(RTSPHeader *reply, const char *p)
&th->interleaved_max, &p);
}
} else if (!strcmp(parameter, "multicast")) {
if (th->protocol == RTSP_PROTOCOL_RTP_UDP)
th->protocol = RTSP_PROTOCOL_RTP_UDP_MULTICAST;
if (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP)
th->lower_transport = RTSP_LOWER_TRANSPORT_UDP_MULTICAST;
} else if (!strcmp(parameter, "ttl")) {
if (*p == '=') {
p++;
@@ -899,7 +899,7 @@ rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
*/
static int
make_setup_request (AVFormatContext *s, const char *host, int port,
int protocol, const char *real_challenge)
int lower_transport, const char *real_challenge)
{
RTSPState *rt = s->priv_data;
int j, i, err;
@@ -923,7 +923,7 @@ make_setup_request (AVFormatContext *s, const char *host, int port,
rtsp_st = rt->rtsp_streams[i];
/* RTP/UDP */
if (protocol == RTSP_PROTOCOL_RTP_UDP) {
if (lower_transport == RTSP_LOWER_TRANSPORT_UDP) {
char buf[256];
/* first try in specified port range */
@@ -954,12 +954,12 @@ make_setup_request (AVFormatContext *s, const char *host, int port,
}
/* RTP/TCP */
else if (protocol == RTSP_PROTOCOL_RTP_TCP) {
else if (lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
snprintf(transport, sizeof(transport) - 1,
"%s/TCP", trans_pref);
}
else if (protocol == RTSP_PROTOCOL_RTP_UDP_MULTICAST) {
else if (lower_transport == RTSP_LOWER_TRANSPORT_UDP_MULTICAST) {
snprintf(transport, sizeof(transport) - 1,
"%s/UDP;multicast", trans_pref);
}
@@ -990,28 +990,28 @@ make_setup_request (AVFormatContext *s, const char *host, int port,
/* XXX: same protocol for all streams is required */
if (i > 0) {
if (reply->transports[0].protocol != rt->protocol) {
if (reply->transports[0].lower_transport != rt->lower_transport) {
err = AVERROR_INVALIDDATA;
goto fail;
}
} else {
rt->protocol = reply->transports[0].protocol;
rt->lower_transport = reply->transports[0].lower_transport;
}
/* close RTP connection if not choosen */
if (reply->transports[0].protocol != RTSP_PROTOCOL_RTP_UDP &&
(protocol == RTSP_PROTOCOL_RTP_UDP)) {
if (reply->transports[0].lower_transport != RTSP_LOWER_TRANSPORT_UDP &&
(lower_transport == RTSP_LOWER_TRANSPORT_UDP)) {
url_close(rtsp_st->rtp_handle);
rtsp_st->rtp_handle = NULL;
}
switch(reply->transports[0].protocol) {
case RTSP_PROTOCOL_RTP_TCP:
switch(reply->transports[0].lower_transport) {
case RTSP_LOWER_TRANSPORT_TCP:
rtsp_st->interleaved_min = reply->transports[0].interleaved_min;
rtsp_st->interleaved_max = reply->transports[0].interleaved_max;
break;
case RTSP_PROTOCOL_RTP_UDP:
case RTSP_LOWER_TRANSPORT_UDP:
{
char url[1024];
@@ -1024,7 +1024,7 @@ make_setup_request (AVFormatContext *s, const char *host, int port,
}
}
break;
case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
{
char url[1024];
struct in_addr in;
@@ -1070,7 +1070,7 @@ static int rtsp_read_header(AVFormatContext *s,
int port, ret, err;
RTSPHeader reply1, *reply = &reply1;
unsigned char *content = NULL;
int protocol_mask = 0;
int lower_transport_mask = 0;
char real_challenge[64];
/* extract hostname and port */
@@ -1092,16 +1092,16 @@ static int rtsp_read_header(AVFormatContext *s,
*(option_list++) = 0;
/* handle the options */
if (strcmp(option, "udp") == 0)
protocol_mask = (1<< RTSP_PROTOCOL_RTP_UDP);
lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_UDP);
else if (strcmp(option, "multicast") == 0)
protocol_mask = (1<< RTSP_PROTOCOL_RTP_UDP_MULTICAST);
lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
else if (strcmp(option, "tcp") == 0)
protocol_mask = (1<< RTSP_PROTOCOL_RTP_TCP);
lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_TCP);
}
}
if (!protocol_mask)
protocol_mask = (1 << RTSP_PROTOCOL_RTP_LAST) - 1;
if (!lower_transport_mask)
lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_LAST) - 1;
/* open the tcp connexion */
snprintf(tcpname, sizeof(tcpname), "tcp://%s:%d", host, port);
@@ -1179,15 +1179,15 @@ static int rtsp_read_header(AVFormatContext *s,
}
do {
int protocol = ff_log2_tab[protocol_mask & ~(protocol_mask - 1)];
int lower_transport = ff_log2_tab[lower_transport_mask & ~(lower_transport_mask - 1)];
err = make_setup_request(s, host, port, protocol,
err = make_setup_request(s, host, port, lower_transport,
rt->server_type == RTSP_SERVER_REAL ?
real_challenge : NULL);
if (err < 0)
goto fail;
protocol_mask &= ~(1 << protocol);
if (protocol_mask == 0 && err == 1) {
lower_transport_mask &= ~(1 << lower_transport);
if (lower_transport_mask == 0 && err == 1) {
err = AVERROR(FF_NETERROR(EPROTONOSUPPORT));
goto fail;
}
@@ -1353,13 +1353,13 @@ static int rtsp_read_packet(AVFormatContext *s,
/* read next RTP packet */
redo:
switch(rt->protocol) {
switch(rt->lower_transport) {
default:
case RTSP_PROTOCOL_RTP_TCP:
case RTSP_LOWER_TRANSPORT_TCP:
len = tcp_read_packet(s, &rtsp_st, buf, sizeof(buf));
break;
case RTSP_PROTOCOL_RTP_UDP:
case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
case RTSP_LOWER_TRANSPORT_UDP:
case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
len = udp_read_packet(s, &rtsp_st, buf, sizeof(buf));
if (len >=0 && rtsp_st->rtp_ctx)
rtp_check_and_send_back_rr(rtsp_st->rtp_ctx, len);
@@ -1462,7 +1462,7 @@ static int rtsp_read_close(AVFormatContext *s)
#if 0
/* NOTE: it is valid to flush the buffer here */
if (rt->protocol == RTSP_PROTOCOL_RTP_TCP) {
if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
url_fclose(&rt->rtsp_gb);
}
#endif