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https://github.com/mpv-player/mpv
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Continue implementation of ASF streaming.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@872 b3059339-0415-0410-9bf9-f77b7e298cf2
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8
asf.h
8
asf.h
@ -3,6 +3,10 @@
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#include <inttypes.h>
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#ifndef MIN
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#define MIN(a,b) ((a<b)?a:b)
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#endif
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///////////////////////
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// MS GUID definition
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///////////////////////
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@ -92,10 +96,10 @@ typedef struct __attribute__((packed)) {
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//////////////////////
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typedef struct __attribute__((packed)) {
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uint16_t type;
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uint16_t length;
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uint16_t size;
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uint32_t sequence_number;
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uint16_t unknown;
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uint16_t length2;
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uint16_t size_confirm;
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} ASF_stream_chunck_t;
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168
asf_streaming.c
168
asf_streaming.c
@ -1,54 +1,190 @@
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#include "asf.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static ASF_StreamType_e stream_type;
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#include "asf.h"
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#include "url.h"
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#include "http.h"
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void asf_streaming(char *data, int length) {
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const char *temp_response =
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"HTTP/1.0 200 OK\r\n"
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"Date: Tue, 20 Mar 2001 11:40:35 GMT\r\n"
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"Content-Type: application/octet-stream\r\n"
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"Server: Cougar 4.1.0.3920\r\n"
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"Cache-Control: no-cache\r\n"
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"Pragma: no-cache, client-id=290092, features=\"broadcast\"\r\n"
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/* "Pragma: no-cache\r\n"
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"Pragma: client-id=290092\r\n"
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"Pragma: features=\"broadcast\"\r\n"
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*/ "\r\n";
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static ASF_StreamType_e stream_type = ASF_Unknown_e;
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void
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asf_streaming(char *data, int length) {
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ASF_stream_chunck_t *stream_chunck=(ASF_stream_chunck_t*)data;
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printf("ASF stream chunck size=%d\n", stream_chunck->length);
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printf("ASF stream chunck size=%d\n", stream_chunck->size);
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if( stream_chunck->size<8 ) {
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printf("Ahhhh, stream_chunck size is too small: %d\n", stream_chunck->size);
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return;
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}
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if( stream_chunck->size!=stream_chunck->size_confirm ) {
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printf("size_confirm mismatch!: %d %d\n", stream_chunck->size, stream_chunck->size_confirm);
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return;
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}
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switch(stream_chunck->type) {
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case 0x4324: // Clear ASF configuration
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printf(" --> Clearing ASF stream configuration!\n");
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printf("=====> Clearing ASF stream configuration!\n");
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break;
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case 0x4424: // Data follows
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printf(" --> Data follows\n");
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printf("=====> Data follows\n");
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break;
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case 0x4524: // Transfer complete
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printf(" --> Transfer complete\n");
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printf("=====> Transfer complete\n");
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break;
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case 0x4824: // ASF header chunk follows
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printf(" --> ASF header chunk follows\n");
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printf("=====> ASF header chunk follows\n");
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break;
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default:
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printf("======> Unknown stream type %d\n", stream_chunck->type );
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printf("=====> Unknown stream type 0x%x\n", stream_chunck->type );
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}
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}
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void asf_steam_type(char *content_type, char *features) {
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void
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asf_stream_type(char *content_type, char *features) {
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stream_type = ASF_Unknown_e;
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if( !strcasecmp(content_type, "application/octet-stream") ) {
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if( strstr(features, "broadcast")) {
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printf("-----> Live stream <-------\n");
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printf("=====> Live stream\n");
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stream_type = ASF_Live_e;
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} else {
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printf("-----> Prerecorded <-------\n");
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printf("=====> Prerecorded\n");
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stream_type = ASF_Prerecorded_e;
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}
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} else {
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if( (!strcasecmp(content_type, "audio/x-ms-wax")) ||
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if( (!strcasecmp(content_type, "audio/x-ms-wax")) ||
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(!strcasecmp(content_type, "audio/x-ms-wma")) ||
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(!strcasecmp(content_type, "video/x-ms-asf")) ||
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(!strcasecmp(content_type, "video/x-ms-afs")) ||
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(!strcasecmp(content_type, "video/x-ms-wvx")) ||
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(!strcasecmp(content_type, "video/x-ms-wmv")) ||
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(!strcasecmp(content_type, "video/x-ms-wma")) ) {
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printf("-----> Redirector <-------\n");
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printf("=====> Redirector\n");
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stream_type = ASF_Redirector_e;
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} else {
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printf("-----> unknown content-type: %s\n", content_type );
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printf("=====> unknown content-type: %s\n", content_type );
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stream_type = ASF_Unknown_e;
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}
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}
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}
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//void asf_http_request(stream_t *stream, URL_t *url) {
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void
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asf_http_request(URL_t *url) {
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HTTP_header_t *http_hdr;
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char str[250];
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char *request;
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// int size;
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int offset_hi=0, offset_lo=0, req_nb=1, length=0;
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int asf_nb_stream=1;
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// Common header for all requests.
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http_hdr = http_new_header();
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http_set_uri( http_hdr, url->file );
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http_set_field( http_hdr, "Accept: */*" );
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http_set_field( http_hdr, "User-Agent: NSPlayer/4.1.0.3856" );
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sprintf( str, "Host: %s:%d", url->hostname, url->port );
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http_set_field( http_hdr, str );
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http_set_field( http_hdr, "Pragma: xClientGUID={c77e7400-738a-11d2-9add-0020af0a3278}" );
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sprintf(str,
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"Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=%u",
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offset_hi, offset_lo, req_nb, length );
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http_set_field( http_hdr, str );
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switch( stream_type ) {
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case ASF_Live_e:
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case ASF_Prerecorded_e:
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http_set_field( http_hdr, "Pragma: xPlayStrm=1" );
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sprintf( str, "Pragma: stream-switch-count=%d", asf_nb_stream );
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http_set_field( http_hdr, str );
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http_set_field( http_hdr, "Pragma: stream-switch-entry=ffff:1:0" );
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break;
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case ASF_Redirector_e:
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break;
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case ASF_Unknown_e:
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// First request goes here.
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break;
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default:
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printf("Unknown asf stream type\n");
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}
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http_set_field( http_hdr, "Connection: Close" );
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request = http_get_request( http_hdr );
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printf("%s\n", request );
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}
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int
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asf_http_parse_response( char *response, int length ) {
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HTTP_header_t *http_hdr;
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char *content_type, *pragma;
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char features[64] = "\0";
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int len;
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http_hdr = http_new_response( response, length );
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if( http_hdr->status_code!=200 ) {
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printf("Server return %d:%s\n", http_hdr->status_code, http_hdr->reason_phrase);
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return -1;
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}
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content_type = http_get_field( http_hdr, "Content-Type");
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pragma = http_get_field( http_hdr, "Pragma");
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do {
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char *comma_ptr=NULL;
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char *end;
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// The pragma line can get severals attributes
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// separeted with a comma ','.
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do {
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if( !strncasecmp( pragma, "features=", 9) ) {
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pragma += 9;
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end = strstr( pragma, "," );
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if( end==NULL ) {
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len = strlen(pragma);
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}
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len = MIN(end-pragma,sizeof(features));
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strncpy( features, pragma, len );
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features[len]='\0';
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break;
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}
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comma_ptr = strstr( pragma, "," );
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if( comma_ptr!=NULL ) {
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pragma = comma_ptr+1;
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if( pragma[0]==' ' ) pragma++;
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}
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} while( comma_ptr!=NULL );
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pragma = http_get_next_field( http_hdr );
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} while( pragma!=NULL );
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asf_stream_type( content_type, features );
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return 0;
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}
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#ifdef STREAMING_TEST
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int main() {
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URL_t *url = set_url("http://toto.com:12/coucou");
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asf_http_request( url );
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asf_http_parse_response( temp_response, strlen(temp_response) );
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asf_http_request( url );
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return 0;
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}
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#endif
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