libdemuxer...

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2311 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 353 insertions, 0 deletions

diff --git a/libmpdemux/asf_streaming.c b/libmpdemux/asf_streaming.c
new file mode 100644
index 0000000000..5205a143b6
--- /dev/null
+++ b/libmpdemux/asf_streaming.c
@@ -0,0 +1,353 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "url.h"
+#include "http.h"
+#include "asf.h"
+#include "network.h"
+
+#include "stream.h"
+//#include "demuxer.h"
+
+//extern demuxer_t *demuxer;
+
+static ASF_StreamType_e streaming_type = ASF_Unknown_e;
+
+int
+asf_http_streaming_read( streaming_ctrl_t *streaming_ctrl ) {
+	char *buffer;
+	int drop_packet;
+	int ret;
+printf("asf_streaming_read\n");
+	ret = asf_streaming( streaming_ctrl->buffer->buffer, streaming_ctrl->buffer->length, &drop_packet );
+printf("ret: %d\n", ret);
+	if( ret<0 ) return -1;
+	if( ret>streaming_ctrl->buffer->length ) return 0;
+	buffer = (char*)malloc(ret);
+	if( buffer==NULL ) {
+		printf("Memory allocation failed\n");
+		return -1;
+	}
+printf("buffer length: %d\n", streaming_ctrl->buffer->length );
+	net_fifo_pop( streaming_ctrl->buffer, buffer, ret );
+printf("  pop: 0x%02X\n", *((unsigned int*)buffer) );
+printf("buffer length: %d\n", streaming_ctrl->buffer->length );
+printf("0x%02X\n", *((unsigned int*)(buffer+sizeof(ASF_stream_chunck_t))) );
+	if( !drop_packet ) {
+		write( streaming_ctrl->fd_pipe_in, buffer+sizeof(ASF_stream_chunck_t), ret-sizeof(ASF_stream_chunck_t) );
+	}
+	free( buffer );
+	return ret;
+}
+
+int 
+asf_streaming(char *data, int length, int *drop_packet ) {
+	ASF_stream_chunck_t *stream_chunck=(ASF_stream_chunck_t*)data;
+	printf("ASF stream chunck size=%d\n", stream_chunck->size);
+printf("length: %d\n", length );
+printf("0x%02X\n", stream_chunck->type );
+
+	if( drop_packet!=NULL ) *drop_packet = 0;
+	if( data==NULL || length<=0 ) return -1;
+
+	if( stream_chunck->size<8 ) {
+		printf("Ahhhh, stream_chunck size is too small: %d\n", stream_chunck->size);
+		return -1;
+	}
+	if( stream_chunck->size!=stream_chunck->size_confirm ) {
+		printf("size_confirm mismatch!: %d %d\n", stream_chunck->size, stream_chunck->size_confirm);
+		return -1;
+	}
+
+	printf("  type: 0x%02X\n", stream_chunck->type );
+	printf("  size: %d (0x%02X)\n", stream_chunck->size, stream_chunck->size );
+	printf("  sequence_number: 0x%04X\n", stream_chunck->sequence_number );
+	printf("  unknown: 0x%02X\n", stream_chunck->unknown );
+	printf("  size_confirm: 0x%02X\n", stream_chunck->size_confirm );
+
+
+	switch(stream_chunck->type) {
+		case 0x4324:	// Clear ASF configuration
+			printf("=====> Clearing ASF stream configuration!\n");
+			if( drop_packet!=NULL ) *drop_packet = 1;
+			return stream_chunck->size;
+			break;
+		case 0x4424:    // Data follows
+			printf("=====> Data follows\n");
+			break;
+		case 0x4524:    // Transfer complete
+			printf("=====> Transfer complete\n");
+			if( drop_packet!=NULL ) *drop_packet = 1;
+			return stream_chunck->size;
+			break;
+		case 0x4824:    // ASF header chunk follows
+			printf("=====> ASF header chunk follows\n");
+			break;
+		default:
+			printf("=====> Unknown stream type 0x%x\n", stream_chunck->type );
+	}
+	return stream_chunck->size+4;
+}
+
+int
+asf_http_streaming_type(char *content_type, char *features) {
+	if( content_type==NULL ) return ASF_Unknown_e;
+	if( !strcasecmp(content_type, "application/octet-stream") ) {
+		if( features==NULL ) {
+			printf("=====> ASF Prerecorded\n");
+			return ASF_Prerecorded_e;
+		} else if( strstr(features, "broadcast")) {
+			printf("=====> ASF Live stream\n");
+			return ASF_Live_e;
+		} else {
+			printf("=====> ASF Prerecorded\n");
+			return ASF_Prerecorded_e;
+		}
+	} else {
+		if(	(!strcasecmp(content_type, "audio/x-ms-wax")) ||
+			(!strcasecmp(content_type, "audio/x-ms-wma")) ||
+			(!strcasecmp(content_type, "video/x-ms-asf")) ||
+			(!strcasecmp(content_type, "video/x-ms-afs")) ||
+			(!strcasecmp(content_type, "video/x-ms-wvx")) ||
+			(!strcasecmp(content_type, "video/x-ms-wmv")) ||
+			(!strcasecmp(content_type, "video/x-ms-wma")) ) {
+			printf("=====> ASF Redirector\n");
+			return ASF_Redirector_e;
+		} else {
+			printf("=====> ASF unknown content-type: %s\n", content_type );
+			return ASF_Unknown_e;
+		}
+	}
+	return ASF_Unknown_e;
+}
+
+HTTP_header_t *
+asf_http_request(URL_t *url) {
+	HTTP_header_t *http_hdr;
+	char str[250];
+	char *ptr;
+	char *request;
+	int i;
+
+	int offset_hi=0, offset_lo=0, req_nb=1, length=0;
+	int asf_nb_stream;
+
+	// Common header for all requests.
+	http_hdr = http_new_header();
+	http_set_uri( http_hdr, url->file );
+	http_set_field( http_hdr, "Accept: */*" );
+	http_set_field( http_hdr, "User-Agent: NSPlayer/4.1.0.3856" );
+        sprintf( str, "Host: %s:%d", url->hostname, url->port );
+	http_set_field( http_hdr, str );
+	http_set_field( http_hdr, "Pragma: xClientGUID={c77e7400-738a-11d2-9add-0020af0a3278}" );
+	sprintf(str, 
+		"Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=%u",
+		offset_hi, offset_lo, req_nb, length );
+	http_set_field( http_hdr, str );
+
+	switch( streaming_type ) {
+		case ASF_Live_e:
+		case ASF_Prerecorded_e:
+			http_set_field( http_hdr, "Pragma: xPlayStrm=1" );
+			ptr = str;
+			ptr += sprintf( ptr, "Pragma: stream-switch-entry=");
+
+// FIXME: why do you need demuxer here? if you really need it, pass it as
+// parameter. -- A'rpi
+
+#if 0
+			for( i=0, asf_nb_stream=0 ; i<256 ; i++ ) {
+				// FIXME START
+				if( demuxer==NULL ) {
+					ptr += sprintf( ptr, " ffff:1:0" );
+					asf_nb_stream = 1;
+					break;
+				}
+				// FIXME END
+				if( demuxer->a_streams[i] ) {
+					ptr += sprintf( ptr, " ffff:%d:0", i );
+					asf_nb_stream++;
+				}
+				if( demuxer->v_streams[i] ) {
+					ptr += sprintf( ptr, " ffff:%d:0", i );
+					asf_nb_stream++;
+				}
+			}
+#endif
+			http_set_field( http_hdr, str );
+			sprintf( str, "Pragma: stream-switch-count=%d", asf_nb_stream );
+			http_set_field( http_hdr, str );
+			break;
+		case ASF_Redirector_e:
+			break;
+		case ASF_Unknown_e:
+			// First request goes here.
+			break;
+		default:
+			printf("Unknown asf stream type\n");
+	}
+
+	http_set_field( http_hdr, "Connection: Close" );
+	http_build_request( http_hdr );
+
+	return http_hdr;
+}
+
+int
+asf_http_parse_response( HTTP_header_t *http_hdr ) {
+	char *content_type, *pragma;
+	char features[64] = "\0";
+	int len;
+	if( http_response_parse(http_hdr)<0 ) {
+		printf("Failed to parse HTTP response\n");
+		return -1;
+	}
+	if( http_hdr->status_code!=200 ) {
+		printf("Server return %d:%s\n", http_hdr->status_code, http_hdr->reason_phrase);
+		return -1;
+	}
+
+	content_type = http_get_field( http_hdr, "Content-Type");
+
+	pragma = http_get_field( http_hdr, "Pragma");
+	while( pragma!=NULL ) {
+		char *comma_ptr=NULL;
+		char *end;
+		// The pragma line can get severals attributes 
+		// separeted with a comma ','.
+		do {
+			if( !strncasecmp( pragma, "features=", 9) ) {
+				pragma += 9;
+				end = strstr( pragma, "," );
+				if( end==NULL ) {
+					len = strlen(pragma);
+				}
+				len = MIN(end-pragma,sizeof(features));
+				strncpy( features, pragma, len );
+				features[len]='\0';
+				break;
+			}
+			comma_ptr = strstr( pragma, "," );
+			if( comma_ptr!=NULL ) {
+				pragma = comma_ptr+1;
+				if( pragma[0]==' ' ) pragma++;
+			}
+		} while( comma_ptr!=NULL );
+		pragma = http_get_next_field( http_hdr );
+	}
+
+	streaming_type = asf_http_streaming_type( content_type, features );
+
+	if( http_hdr->body_size>0 ) {
+		asf_streaming( http_hdr->body, http_hdr->body_size, NULL);
+	}
+
+	return 0;
+}
+
+URL_t *
+asf_http_ASX_redirect( HTTP_header_t *http_hdr ) {
+	URL_t *url_redirect=NULL;
+	printf("=========>> ASX parser not yet implemented <<==========\n");
+
+	printf("ASX=[%s]\n", http_hdr->body );
+
+	return url_redirect;
+}
+
+int
+asf_http_streaming_start( streaming_ctrl_t *streaming_ctrl ) {
+	HTTP_header_t *http_hdr=NULL;
+	URL_t *url_next=NULL;
+	URL_t *url = *(streaming_ctrl->url);
+	char buffer[BUFFER_SIZE];
+	int i;
+	int fd = streaming_ctrl->fd_net;
+	int done=1;
+
+streaming_type = ASF_Live_e;
+	do {
+		if( fd>0 ) close( fd );
+
+		fd = connect2Server( url->hostname, url->port );
+		if( fd<0 ) return -1;
+
+		http_hdr = asf_http_request( url );
+printf("[%s]\n", http_hdr->buffer );
+		write( fd, http_hdr->buffer, http_hdr->buffer_size );
+//		http_free( http_hdr );
+
+		http_hdr = http_new_header();
+		do {
+			i = readFromServer( fd, buffer, BUFFER_SIZE );
+printf("read: %d\n", i );
+			if( i<0 ) {
+				perror("read");
+				http_free( http_hdr );
+				return -1;
+			}
+			http_response_append( http_hdr, buffer, i );
+		} while( !http_is_header_entired( http_hdr ) );
+//http_hdr->buffer[http_hdr->buffer_len]='\0';
+//printf("[%s]\n", http_hdr->buffer );
+		if( asf_http_parse_response(http_hdr)<0 ) {
+			printf("Failed to parse header\n");
+			http_free( http_hdr );
+			return -1;
+		}
+		switch( streaming_type ) {
+			case ASF_Live_e:
+			case ASF_Prerecorded_e:
+				if( http_hdr->body_size>0 ) {
+printf("--- 0x%02X\n", streaming_ctrl->buffer );
+					net_fifo_push( streaming_ctrl->buffer, http_hdr->body, http_hdr->body_size );
+				} else {
+					ASF_stream_chunck_t *ptr;
+					int ret;
+					i = readFromServer( fd, buffer, sizeof(ASF_stream_chunck_t) );
+printf("read: %d\n", i );
+					ret = asf_streaming( buffer, i, NULL );
+					net_fifo_push( streaming_ctrl->buffer, buffer, i );
+					ptr = (ASF_stream_chunck_t*)buffer;
+					if( ret==ptr->size ) {
+					}
+				}
+//				done = 0;
+				break;
+			case ASF_Redirector_e:
+				url_next = asf_http_ASX_redirect( http_hdr );
+				if( url_next==NULL ) {
+					printf("Failed to parse ASX file\n");
+					close(fd);
+					http_free( http_hdr );
+					return -1;
+				}
+				if( url_next->port==0 ) url_next->port=80;
+				url_free( url );
+				url = url_next;
+				*(streaming_ctrl->url) = url_next;
+				url_next = NULL;
+				break;
+			case ASF_Unknown_e:
+			default:
+				printf("Unknown ASF streaming type\n");
+				close(fd);
+				http_free( http_hdr );
+				return -1;
+		}
+
+		// Check if we got a redirect.	
+	} while(!done);
+
+	streaming_ctrl->fd_net = fd;
+	streaming_ctrl->streaming_read = asf_http_streaming_read;
+        streaming_ctrl->prebuffer_size = 10000;
+	streaming_ctrl->buffering = 1;
+	streaming_ctrl->status = streaming_playing_e;
+
+	http_free( http_hdr );
+	return fd;
+}
+