mirror of https://github.com/mpv-player/mpv
382 lines
10 KiB
C
382 lines
10 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "config.h"
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#include "url.h"
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#include "http.h"
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#include "asf.h"
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#include "network.h"
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#include "stream.h"
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//#include "demuxer.h"
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//extern demuxer_t *demuxer;
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static ASF_StreamType_e streaming_type = ASF_Unknown_e;
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int
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asf_http_streaming_read( streaming_ctrl_t *streaming_ctrl ) {
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char *buffer;
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int drop_packet;
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int ret;
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printf("asf_http_streaming_read\n");
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ret = asf_streaming( streaming_ctrl->buffer->buffer, streaming_ctrl->buffer->length, &drop_packet );
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printf("ret: %d\n", ret);
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if( ret<0 ) return -1;
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if( ret>streaming_ctrl->buffer->length ) return 0;
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buffer = (char*)malloc(ret);
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if( buffer==NULL ) {
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printf("Memory allocation failed\n");
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return -1;
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}
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printf("buffer length: %d\n", streaming_ctrl->buffer->length );
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net_fifo_pop( streaming_ctrl->buffer, buffer, ret );
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printf(" pop: 0x%02X\n", *((unsigned int*)buffer) );
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printf("buffer length: %d\n", streaming_ctrl->buffer->length );
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printf("0x%02X\n", *((unsigned int*)(buffer+sizeof(ASF_stream_chunck_t))) );
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if( !drop_packet ) {
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write( streaming_ctrl->fd_pipe_in, buffer+sizeof(ASF_stream_chunck_t), ret-sizeof(ASF_stream_chunck_t) );
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}
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free( buffer );
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return ret;
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}
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int
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asf_http_read( streaming_ctrl_t *streaming_ctrl ) {
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char *buffer;
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unsigned int length = streaming_ctrl->buffer->length;
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buffer = (char*)malloc(length);
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if( buffer==NULL ) {
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printf("Memory allocation failed\n");
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return -1;
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}
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net_fifo_pop( streaming_ctrl->buffer, buffer, length );
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write( streaming_ctrl->fd_pipe_in, buffer, length );
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free( buffer );
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return length;
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}
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int
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asf_streaming(char *data, int length, int *drop_packet ) {
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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->size);
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printf("length: %d\n", length );
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printf("0x%02X\n", stream_chunck->type );
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if( drop_packet!=NULL ) *drop_packet = 0;
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if( data==NULL || length<=0 ) return -1;
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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 -1;
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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 -1;
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}
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printf(" type: 0x%02X\n", stream_chunck->type );
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printf(" size: %d (0x%02X)\n", stream_chunck->size, stream_chunck->size );
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printf(" sequence_number: 0x%04X\n", stream_chunck->sequence_number );
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printf(" unknown: 0x%02X\n", stream_chunck->unknown );
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printf(" size_confirm: 0x%02X\n", stream_chunck->size_confirm );
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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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if( drop_packet!=NULL ) *drop_packet = 1;
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return stream_chunck->size;
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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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break;
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case 0x4524: // Transfer complete
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printf("=====> Transfer complete\n");
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if( drop_packet!=NULL ) *drop_packet = 1;
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return stream_chunck->size;
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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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break;
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default:
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printf("=====> Unknown stream type 0x%x\n", stream_chunck->type );
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}
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return stream_chunck->size+4;
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}
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int
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asf_http_streaming_type(char *content_type, char *features) {
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if( content_type==NULL ) return ASF_Unknown_e;
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if( !strcasecmp(content_type, "application/octet-stream") ) {
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if( features==NULL ) {
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printf("=====> ASF Prerecorded\n");
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return ASF_Prerecorded_e;
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} else if( strstr(features, "broadcast")) {
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printf("=====> ASF Live stream\n");
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return ASF_Live_e;
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} else {
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printf("=====> ASF Prerecorded\n");
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return 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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(!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("=====> ASF Redirector\n");
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return ASF_Redirector_e;
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} else if( !strcasecmp(content_type, "text/plain") ) {
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printf("=====> ASF Plain text\n");
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return ASF_PlainText_e;
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} else {
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printf("=====> ASF unknown content-type: %s\n", content_type );
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return ASF_Unknown_e;
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}
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}
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return ASF_Unknown_e;
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}
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HTTP_header_t *
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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 *ptr;
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char *request;
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int i;
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int offset_hi=0, offset_lo=0, req_nb=1, length=0;
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int asf_nb_stream;
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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( streaming_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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ptr = str;
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ptr += sprintf( ptr, "Pragma: stream-switch-entry=");
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// FIXME: why do you need demuxer here? if you really need it, pass it as
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// parameter. -- A'rpi
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#if 0
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for( i=0, asf_nb_stream=0 ; i<256 ; i++ ) {
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// FIXME START
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if( demuxer==NULL ) {
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ptr += sprintf( ptr, " ffff:1:0" );
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asf_nb_stream = 1;
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break;
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}
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// FIXME END
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if( demuxer->a_streams[i] ) {
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ptr += sprintf( ptr, " ffff:%d:0", i );
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asf_nb_stream++;
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}
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if( demuxer->v_streams[i] ) {
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ptr += sprintf( ptr, " ffff:%d:0", i );
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asf_nb_stream++;
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}
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}
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#endif
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http_set_field( http_hdr, str );
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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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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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http_build_request( http_hdr );
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return http_hdr;
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}
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int
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asf_http_parse_response( 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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if( http_response_parse(http_hdr)<0 ) {
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printf("Failed to parse HTTP response\n");
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return -1;
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}
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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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while( pragma!=NULL ) {
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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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}
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streaming_type = asf_http_streaming_type( content_type, features );
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/*
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if( http_hdr->body_size>0 ) {
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asf_streaming( http_hdr->body, http_hdr->body_size, NULL);
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}
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*/
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return 0;
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}
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URL_t *
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asf_http_ASX_redirect( HTTP_header_t *http_hdr ) {
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URL_t *url_redirect=NULL;
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printf("=========>> ASX parser not yet implemented <<==========\n");
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printf("ASX=[%s]\n", http_hdr->body );
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return url_redirect;
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}
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int
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asf_http_streaming_start( streaming_ctrl_t *streaming_ctrl ) {
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HTTP_header_t *http_hdr=NULL;
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URL_t *url_next=NULL;
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URL_t *url = *(streaming_ctrl->url);
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char buffer[BUFFER_SIZE];
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int i;
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int fd = streaming_ctrl->fd_net;
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int done=1;
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streaming_type = ASF_Live_e;
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do {
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if( fd>0 ) close( fd );
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fd = connect2Server( url->hostname, url->port );
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if( fd<0 ) return -1;
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http_hdr = asf_http_request( url );
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printf("[%s]\n", http_hdr->buffer );
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write( fd, http_hdr->buffer, http_hdr->buffer_size );
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// http_free( http_hdr );
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http_hdr = http_new_header();
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do {
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i = readFromServer( fd, buffer, BUFFER_SIZE );
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printf("read: %d\n", i );
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if( i<0 ) {
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perror("read");
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http_free( http_hdr );
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return -1;
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}
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http_response_append( http_hdr, buffer, i );
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} while( !http_is_header_entire( http_hdr ) );
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//http_hdr->buffer[http_hdr->buffer_len]='\0';
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//printf("[%s]\n", http_hdr->buffer );
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if( asf_http_parse_response(http_hdr)<0 ) {
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printf("Failed to parse header\n");
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http_free( http_hdr );
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return -1;
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}
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switch( streaming_type ) {
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case ASF_Live_e:
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case ASF_Prerecorded_e:
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case ASF_PlainText_e:
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if( http_hdr->body_size>0 ) {
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net_fifo_push( streaming_ctrl->buffer, http_hdr->body, http_hdr->body_size );
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} else {
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ASF_stream_chunck_t *ptr;
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int ret;
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i = readFromServer( fd, buffer, sizeof(ASF_stream_chunck_t) );
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printf("read: %d\n", i );
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ret = asf_streaming( buffer, i, NULL );
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net_fifo_push( streaming_ctrl->buffer, buffer, i );
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ptr = (ASF_stream_chunck_t*)buffer;
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if( ret==ptr->size ) {
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}
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}
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// done = 0;
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break;
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case ASF_Redirector_e:
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url_next = asf_http_ASX_redirect( http_hdr );
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if( url_next==NULL ) {
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printf("Failed to parse ASX file\n");
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close(fd);
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http_free( http_hdr );
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return -1;
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}
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if( url_next->port==0 ) url_next->port=80;
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url_free( url );
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url = url_next;
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*(streaming_ctrl->url) = url_next;
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url_next = NULL;
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break;
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case ASF_Unknown_e:
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default:
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printf("Unknown ASF streaming type\n");
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close(fd);
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http_free( http_hdr );
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return -1;
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}
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// Check if we got a redirect.
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} while(!done);
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streaming_ctrl->fd_net = fd;
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if( streaming_type==ASF_PlainText_e ) {
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streaming_ctrl->streaming_read = asf_http_read;
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} else {
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streaming_ctrl->streaming_read = asf_http_streaming_read;
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}
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streaming_ctrl->prebuffer_size = 20000;
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streaming_ctrl->buffering = 1;
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streaming_ctrl->status = streaming_playing_e;
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http_free( http_hdr );
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return fd;
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}
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