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support url_read which reads less then requested patch by (Leon van Stuivenberg <l dot vanstuivenberg at chello dot nl>)

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this is needed for compatibility with tcp.c 1.10

Originally committed as revision 2911 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Leon van Stuivenberg 2004-03-20 19:57:28 +00:00 committed by Michael Niedermayer
parent 53c05b1eac
commit 2a42b5c37f
1 changed files with 21 additions and 7 deletions
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28
libavformat/rtsp.c
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@ -562,6 +562,20 @@ void rtsp_parse_line(RTSPHeader *reply, const char *buf)
}
}
static int url_readbuf(URLContext *h, unsigned char *buf, int size)
{
int ret, len;
len = 0;
while (len < size) {
ret = url_read(h, buf+len, size-len);
if (ret < 1)
return ret;
len += ret;
}
return len;
}
/* skip a RTP/TCP interleaved packet */
static void rtsp_skip_packet(AVFormatContext *s)
{
@ -569,7 +583,7 @@ static void rtsp_skip_packet(AVFormatContext *s)
int ret, len, len1;
uint8_t buf[1024];
ret = url_read(rt->rtsp_hd, buf, 3);
ret = url_readbuf(rt->rtsp_hd, buf, 3);
if (ret != 3)
return;
len = (buf[1] << 8) | buf[2];
@ -581,7 +595,7 @@ static void rtsp_skip_packet(AVFormatContext *s)
len1 = len;
if (len1 > sizeof(buf))
len1 = sizeof(buf);
ret = url_read(rt->rtsp_hd, buf, len1);
ret = url_readbuf(rt->rtsp_hd, buf, len1);
if (ret != len1)
return;
len -= len1;
@ -621,7 +635,7 @@ static void rtsp_send_cmd(AVFormatContext *s,
for(;;) {
q = buf;
for(;;) {
if (url_read(rt->rtsp_hd, &ch, 1) != 1)
if (url_readbuf(rt->rtsp_hd, &ch, 1) != 1)
break;
if (ch == '\n')
break;
@ -661,7 +675,7 @@ static void rtsp_send_cmd(AVFormatContext *s,
if (content_length > 0) {
/* leave some room for a trailing '\0' (useful for simple parsing) */
content = av_malloc(content_length + 1);
url_read(rt->rtsp_hd, content, content_length);
(void)url_readbuf(rt->rtsp_hd, content, content_length);
content[content_length] = '\0';
}
if (content_ptr)
@ -921,7 +935,7 @@ static int tcp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
#endif
redo:
for(;;) {
ret = url_read(rt->rtsp_hd, buf, 1);
ret = url_readbuf(rt->rtsp_hd, buf, 1);
#ifdef DEBUG_RTP_TCP
printf("ret=%d c=%02x [%c]\n", ret, buf[0], buf[0]);
#endif
@ -930,7 +944,7 @@ static int tcp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
if (buf[0] == '$')
break;
}
ret = url_read(rt->rtsp_hd, buf, 3);
ret = url_readbuf(rt->rtsp_hd, buf, 3);
if (ret != 3)
return -1;
id = buf[0];
@ -941,7 +955,7 @@ static int tcp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
if (len > buf_size || len < 12)
goto redo;
/* get the data */
ret = url_read(rt->rtsp_hd, buf, len);
ret = url_readbuf(rt->rtsp_hd, buf, len);
if (ret != len)
return -1;