#include <string.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
+#include "libavutil/opt.h"
#include "internal.h"
#include "mms.h"
#include "asf.h"
typedef struct {
MMSContext mms;
+ uint8_t location[1024];
int request_seq; ///< request packet sequence
int chunk_seq; ///< data packet sequence
} MMSHContext;
}
}
-static int mmsh_open(URLContext *h, const char *uri, int flags)
+static int mmsh_open_internal(URLContext *h, const char *uri, int flags, int timestamp, int64_t pos)
{
int i, port, err;
- char httpname[256], path[256], host[128], location[1024];
+ char httpname[256], path[256], host[128];
char *stream_selection = NULL;
char headers[1024];
MMSHContext *mmsh;
return AVERROR(ENOMEM);
mmsh->request_seq = h->is_streamed = 1;
mms = &mmsh->mms;
- av_strlcpy(location, uri, sizeof(location));
+ av_strlcpy(mmsh->location, uri, sizeof(mmsh->location));
av_url_split(NULL, 0, NULL, 0,
- host, sizeof(host), &port, path, sizeof(path), location);
+ host, sizeof(host), &port, path, sizeof(path), mmsh->location);
if (port<0)
port = 80; // default mmsh protocol port
ff_url_join(httpname, sizeof(httpname), "http", NULL, host, port, "%s", path);
- if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ) < 0) {
+ if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ,
+ &h->interrupt_callback) < 0) {
return AVERROR(EIO);
}
CLIENTGUID
"Connection: Close\r\n",
host, port, mmsh->request_seq++);
- ff_http_set_headers(mms->mms_hd, headers);
+ av_opt_set(mms->mms_hd->priv_data, "headers", headers, 0);
- err = ffurl_connect(mms->mms_hd);
+ err = ffurl_connect(mms->mms_hd, NULL);
if (err) {
goto fail;
}
// close the socket and then reopen it for sending the second play request.
ffurl_close(mms->mms_hd);
memset(headers, 0, sizeof(headers));
- if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ) < 0) {
+ if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ,
+ &h->interrupt_callback) < 0) {
return AVERROR(EIO);
}
stream_selection = av_mallocz(mms->stream_num * 19 + 1);
CLIENTGUID
"Pragma: stream-switch-count=%d\r\n"
"Pragma: stream-switch-entry=%s\r\n"
+ "Pragma: no-cache,rate=1.000000,stream-time=%u"
"Connection: Close\r\n",
- host, port, mmsh->request_seq++, mms->stream_num, stream_selection);
+ host, port, mmsh->request_seq++, mms->stream_num, stream_selection, timestamp);
av_freep(&stream_selection);
if (err < 0) {
av_log(NULL, AV_LOG_ERROR, "Build play request failed!\n");
goto fail;
}
av_dlog(NULL, "out_buffer is %s", headers);
- ff_http_set_headers(mms->mms_hd, headers);
+ av_opt_set(mms->mms_hd->priv_data, "headers", headers, 0);
- err = ffurl_connect(mms->mms_hd);
+ err = ffurl_connect(mms->mms_hd, NULL);
if (err) {
goto fail;
}
return err;
}
+static int mmsh_open(URLContext *h, const char *uri, int flags)
+{
+ return mmsh_open_internal(h, uri, flags, 0, 0);
+}
+
static int handle_chunk_type(MMSHContext *mmsh)
{
MMSContext *mms = &mmsh->mms;
return res;
}
+static int64_t mmsh_read_seek(URLContext *h, int stream_index,
+ int64_t timestamp, int flags)
+{
+ MMSHContext *mmsh = h->priv_data;
+ MMSContext *mms = &mmsh->mms;
+ int ret;
+
+ ret= mmsh_open_internal(h, mmsh->location, 0, FFMAX(timestamp, 0), 0);
+
+ if(ret>=0){
+ if (mms->mms_hd)
+ ffurl_close(mms->mms_hd);
+ av_freep(&mms->streams);
+ av_freep(&mms->asf_header);
+ av_free(mmsh);
+ mmsh = h->priv_data;
+ mms = &mmsh->mms;
+ mms->asf_header_read_size= mms->asf_header_size;
+ }else
+ h->priv_data= mmsh;
+ return ret;
+}
+
+static int64_t mmsh_seek(URLContext *h, int64_t pos, int whence)
+{
+ MMSHContext *mmsh = h->priv_data;
+ MMSContext *mms = &mmsh->mms;
+
+ if(pos == 0 && whence == SEEK_CUR)
+ return mms->asf_header_read_size + mms->remaining_in_len + mmsh->chunk_seq * mms->asf_packet_len;
+ return AVERROR(ENOSYS);
+}
+
URLProtocol ff_mmsh_protocol = {
.name = "mmsh",
.url_open = mmsh_open,
.url_read = mmsh_read,
- .url_write = NULL,
- .url_seek = NULL,
+ .url_seek = mmsh_seek,
.url_close = mmsh_close,
+ .url_read_seek = mmsh_read_seek,
};