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Split rtsp_send_cmd() into two functions, one for the actual sending of the 

command and a second, new function to read the reply to this command. This
will make it possible to read server notices that are not in response to a
command in future versions, such as EOS or interrupt notices. See "[PATCH]
rtsp.c: split rtsp_send_cmd() in a send- and a receive-function" thread.

Originally committed as revision 17797 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2009-03-04 00:57:37 +00:00
parent 6a85fb34c9
commit 29b9f58b37
1 changed files with 28 additions and 19 deletions
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45
libavformat/rtsp.c
View File

@ -739,35 +739,20 @@ static void rtsp_skip_packet(AVFormatContext *s)
}
}
static void rtsp_send_cmd(AVFormatContext *s,
const char *cmd, RTSPMessageHeader *reply,
static void
rtsp_read_reply (AVFormatContext *s, RTSPMessageHeader *reply,
unsigned char **content_ptr)
{
RTSPState *rt = s->priv_data;
char buf[4096], buf1[1024], *q;
unsigned char ch;
const char *p;
int content_length, line_count;
int content_length, line_count = 0;
unsigned char *content = NULL;
memset(reply, 0, sizeof(*reply));
rt->seq++;
av_strlcpy(buf, cmd, sizeof(buf));
snprintf(buf1, sizeof(buf1), "CSeq: %d\r\n", rt->seq);
av_strlcat(buf, buf1, sizeof(buf));
if (rt->session_id[0] != '\0' && !strstr(cmd, "\nIf-Match:")) {
snprintf(buf1, sizeof(buf1), "Session: %s\r\n", rt->session_id);
av_strlcat(buf, buf1, sizeof(buf));
}
av_strlcat(buf, "\r\n", sizeof(buf));
#ifdef DEBUG
printf("Sending:\n%s--\n", buf);
#endif
url_write(rt->rtsp_hd, buf, strlen(buf));
/* parse reply (XXX: use buffers) */
line_count = 0;
rt->last_reply[0] = '\0';
for(;;) {
q = buf;
@ -821,6 +806,30 @@ static void rtsp_send_cmd(AVFormatContext *s,
av_free(content);
}
static void rtsp_send_cmd(AVFormatContext *s,
const char *cmd, RTSPMessageHeader *reply,
unsigned char **content_ptr)
{
RTSPState *rt = s->priv_data;
char buf[4096], buf1[1024];
rt->seq++;
av_strlcpy(buf, cmd, sizeof(buf));
snprintf(buf1, sizeof(buf1), "CSeq: %d\r\n", rt->seq);
av_strlcat(buf, buf1, sizeof(buf));
if (rt->session_id[0] != '\0' && !strstr(cmd, "\nIf-Match:")) {
snprintf(buf1, sizeof(buf1), "Session: %s\r\n", rt->session_id);
av_strlcat(buf, buf1, sizeof(buf));
}
av_strlcat(buf, "\r\n", sizeof(buf));
#ifdef DEBUG
printf("Sending:\n%s--\n", buf);
#endif
url_write(rt->rtsp_hd, buf, strlen(buf));
rtsp_read_reply(rt, reply, content_ptr);
}
/* close and free RTSP streams */
static void rtsp_close_streams(RTSPState *rt)