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authorben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2>2006-07-31 17:39:17 +0000
committerben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2>2006-07-31 17:39:17 +0000
commit49867bd432352d19172ab26cf873bd5651e69e25 (patch)
treec2d419bb4f81564036baa12832a44b8aac27c6d1 /stream/stream.c
parentd3b998da64927403879ad588287c178f86b7c849 (diff)
downloadmpv-49867bd432352d19172ab26cf873bd5651e69e25.tar.bz2
mpv-49867bd432352d19172ab26cf873bd5651e69e25.tar.xz
introduce new 'stream' directory for all stream layer related components and split them from libmpdemux
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19277 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'stream/stream.c')
-rw-r--r--stream/stream.c434
1 files changed, 434 insertions, 0 deletions
diff --git a/stream/stream.c b/stream/stream.c
new file mode 100644
index 0000000000..f1b12ae827
--- /dev/null
+++ b/stream/stream.c
@@ -0,0 +1,434 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifndef __MINGW32__
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#endif
+#include <fcntl.h>
+#include <signal.h>
+#include <strings.h>
+
+#include "config.h"
+
+#ifndef HAVE_WINSOCK2
+#define closesocket close
+#else
+#include <winsock2.h>
+#endif
+
+#include "mp_msg.h"
+#include "help_mp.h"
+#include "osdep/shmem.h"
+
+#include "stream.h"
+#include "demuxer.h"
+
+#include "m_option.h"
+#include "m_struct.h"
+
+
+void cache_uninit(stream_t *s); // defined in cache2.c
+
+//#include "vcd_read_bincue.h"
+
+#ifdef HAVE_VCD
+extern stream_info_t stream_info_vcd;
+#endif
+#ifdef HAVE_CDDA
+extern stream_info_t stream_info_cdda;
+#endif
+#ifdef MPLAYER_NETWORK
+extern stream_info_t stream_info_netstream;
+extern stream_info_t stream_info_pnm;
+extern stream_info_t stream_info_asf;
+extern stream_info_t stream_info_rtsp;
+extern stream_info_t stream_info_rtp_udp;
+extern stream_info_t stream_info_http1;
+extern stream_info_t stream_info_http2;
+#endif
+#ifdef HAS_DVBIN_SUPPORT
+extern stream_info_t stream_info_dvb;
+#endif
+#ifdef HAVE_PVR
+extern stream_info_t stream_info_pvr;
+#endif
+#ifdef HAVE_FTP
+extern stream_info_t stream_info_ftp;
+#endif
+#ifdef HAVE_VSTREAM
+extern stream_info_t stream_info_vstream;
+#endif
+#ifdef USE_DVDNAV
+extern stream_info_t stream_info_dvdnav;
+#endif
+#ifdef LIBSMBCLIENT
+extern stream_info_t stream_info_smb;
+#endif
+#ifdef STREAMING_LIVE555
+extern stream_info_t stream_info_sdp;
+extern stream_info_t stream_info_rtsp_sip;
+#endif
+
+extern stream_info_t stream_info_cue;
+extern stream_info_t stream_info_null;
+extern stream_info_t stream_info_file;
+#ifdef HAVE_DVD
+extern stream_info_t stream_info_dvd;
+#endif
+
+stream_info_t* auto_open_streams[] = {
+#ifdef HAVE_VCD
+ &stream_info_vcd,
+#endif
+#ifdef HAVE_CDDA
+ &stream_info_cdda,
+#endif
+#ifdef MPLAYER_NETWORK
+ &stream_info_netstream,
+ &stream_info_http1,
+ &stream_info_asf,
+ &stream_info_pnm,
+ &stream_info_rtsp,
+#ifdef STREAMING_LIVE555
+ &stream_info_sdp,
+ &stream_info_rtsp_sip,
+#endif
+ &stream_info_rtp_udp,
+ &stream_info_http2,
+#endif
+#ifdef HAS_DVBIN_SUPPORT
+ &stream_info_dvb,
+#endif
+#ifdef HAVE_PVR
+ &stream_info_pvr,
+#endif
+#ifdef HAVE_FTP
+ &stream_info_ftp,
+#endif
+#ifdef HAVE_VSTREAM
+ &stream_info_vstream,
+#endif
+#ifdef LIBSMBCLIENT
+ &stream_info_smb,
+#endif
+ &stream_info_cue,
+#ifdef HAVE_DVD
+ &stream_info_dvd,
+#endif
+#ifdef USE_DVDNAV
+ &stream_info_dvdnav,
+#endif
+
+ &stream_info_null,
+ &stream_info_file,
+ NULL
+};
+
+stream_t* open_stream_plugin(stream_info_t* sinfo,char* filename,int mode,
+ char** options, int* file_format, int* ret) {
+ void* arg = NULL;
+ stream_t* s;
+ m_struct_t* desc = (m_struct_t*)sinfo->opts;
+
+ // Parse options
+ if(desc) {
+ arg = m_struct_alloc(desc);
+ if(sinfo->opts_url) {
+ m_option_t url_opt =
+ { "stream url", arg , CONF_TYPE_CUSTOM_URL, 0, 0 ,0, sinfo->opts };
+ if(m_option_parse(&url_opt,"stream url",filename,arg,M_CONFIG_FILE) < 0) {
+ mp_msg(MSGT_OPEN,MSGL_ERR, "URL parsing failed on url %s\n",filename);
+ m_struct_free(desc,arg);
+ return NULL;
+ }
+ }
+ if(options) {
+ int i;
+ for(i = 0 ; options[i] != NULL ; i += 2) {
+ mp_msg(MSGT_OPEN,MSGL_DBG2, "Set stream arg %s=%s\n",
+ options[i],options[i+1]);
+ if(!m_struct_set(desc,arg,options[i],options[i+1]))
+ mp_msg(MSGT_OPEN,MSGL_WARN, "Failed to set stream option %s=%s\n",
+ options[i],options[i+1]);
+ }
+ }
+ }
+ s = new_stream(-2,-2);
+ s->url=strdup(filename);
+ s->flags |= mode;
+ *ret = sinfo->open(s,mode,arg,file_format);
+ if((*ret) != STREAM_OK) {
+ free(s->url);
+ free(s);
+ return NULL;
+ }
+ if(s->type <= -2)
+ mp_msg(MSGT_OPEN,MSGL_WARN, "Warning streams need a type !!!!\n");
+ if(s->flags & STREAM_SEEK && !s->seek)
+ s->flags &= ~STREAM_SEEK;
+ if(s->seek && !(s->flags & STREAM_SEEK))
+ s->flags |= STREAM_SEEK;
+
+
+ mp_msg(MSGT_OPEN,MSGL_V, "STREAM: [%s] %s\n",sinfo->name,filename);
+ mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Description: %s\n",sinfo->info);
+ mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Author: %s\n", sinfo->author);
+ mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Comment: %s\n", sinfo->comment);
+
+ return s;
+}
+
+
+stream_t* open_stream_full(char* filename,int mode, char** options, int* file_format) {
+ int i,j,l,r;
+ stream_info_t* sinfo;
+ stream_t* s;
+
+ for(i = 0 ; auto_open_streams[i] ; i++) {
+ sinfo = auto_open_streams[i];
+ if(!sinfo->protocols) {
+ mp_msg(MSGT_OPEN,MSGL_WARN, "Stream type %s has protocols == NULL, it's a bug\n", sinfo->name);
+ continue;
+ }
+ for(j = 0 ; sinfo->protocols[j] ; j++) {
+ l = strlen(sinfo->protocols[j]);
+ // l == 0 => Don't do protocol matching (ie network and filenames)
+ if((l == 0) || ((strncmp(sinfo->protocols[j],filename,l) == 0) &&
+ (strncmp("://",filename+l,3) == 0))) {
+ *file_format = DEMUXER_TYPE_UNKNOWN;
+ s = open_stream_plugin(sinfo,filename,mode,options,file_format,&r);
+ if(s) return s;
+ if(r != STREAM_UNSUPORTED) {
+ mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_FailedToOpen,filename);
+ return NULL;
+ }
+ break;
+ }
+ }
+ }
+
+ mp_msg(MSGT_OPEN,MSGL_ERR, "No stream found to handle url %s\n",filename);
+ return NULL;
+}
+
+//=================== STREAMER =========================
+
+int stream_fill_buffer(stream_t *s){
+ int len;
+ if (/*s->fd == NULL ||*/ s->eof) { s->buf_pos = s->buf_len = 0; return 0; }
+ switch(s->type){
+ case STREAMTYPE_STREAM:
+#ifdef MPLAYER_NETWORK
+ if( s->streaming_ctrl!=NULL ) {
+ len=s->streaming_ctrl->streaming_read(s->fd,s->buffer,STREAM_BUFFER_SIZE, s->streaming_ctrl);break;
+ } else {
+ len=read(s->fd,s->buffer,STREAM_BUFFER_SIZE);break;
+ }
+#else
+ len=read(s->fd,s->buffer,STREAM_BUFFER_SIZE);break;
+#endif
+ case STREAMTYPE_DS:
+ len = demux_read_data((demux_stream_t*)s->priv,s->buffer,STREAM_BUFFER_SIZE);
+ break;
+
+
+ default:
+ len= s->fill_buffer ? s->fill_buffer(s,s->buffer,STREAM_BUFFER_SIZE) : 0;
+ }
+ if(len<=0){ s->eof=1; s->buf_pos=s->buf_len=0; return 0; }
+ s->buf_pos=0;
+ s->buf_len=len;
+ s->pos+=len;
+// printf("[%d]",len);fflush(stdout);
+ return len;
+}
+
+int stream_seek_long(stream_t *s,off_t pos){
+off_t newpos=0;
+
+// if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ) printf("seek_long to 0x%X\n",(unsigned int)pos);
+
+ s->buf_pos=s->buf_len=0;
+
+ switch(s->type){
+ case STREAMTYPE_STREAM:
+#ifdef _LARGEFILE_SOURCE
+ newpos=pos&(~((long long)STREAM_BUFFER_SIZE-1));break;
+#else
+ newpos=pos&(~(STREAM_BUFFER_SIZE-1));break;
+#endif
+ default:
+ // Round on sector size
+ if(s->sector_size)
+ newpos=(pos/s->sector_size)*s->sector_size;
+ else { // Otherwise on the buffer size
+#ifdef _LARGEFILE_SOURCE
+ newpos=pos&(~((long long)STREAM_BUFFER_SIZE-1));break;
+#else
+ newpos=pos&(~(STREAM_BUFFER_SIZE-1));break;
+#endif
+ }
+ break;
+ }
+
+if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ){
+ mp_msg(MSGT_STREAM,MSGL_DBG3, "s->pos=%"PRIX64" newpos=%"PRIX64" new_bufpos=%"PRIX64" buflen=%X \n",
+ (int64_t)s->pos,(int64_t)newpos,(int64_t)pos,s->buf_len);
+}
+ pos-=newpos;
+
+if(newpos==0 || newpos!=s->pos){
+ switch(s->type){
+ case STREAMTYPE_STREAM:
+ //s->pos=newpos; // real seek
+ // Some streaming protocol allow to seek backward and forward
+ // A function call that return -1 can tell that the protocol
+ // doesn't support seeking.
+#ifdef MPLAYER_NETWORK
+ if(s->seek) { // new stream seek is much cleaner than streaming_ctrl one
+ if(!s->seek(s,newpos)) {
+ mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
+ return 0;
+ }
+ break;
+ }
+
+ if( s->streaming_ctrl!=NULL && s->streaming_ctrl->streaming_seek ) {
+ if( s->streaming_ctrl->streaming_seek( s->fd, pos, s->streaming_ctrl )<0 ) {
+ mp_msg(MSGT_STREAM,MSGL_INFO,"Stream not seekable!\n");
+ return 1;
+ }
+ }
+#else
+ if(newpos<s->pos){
+ mp_msg(MSGT_STREAM,MSGL_INFO,"Cannot seek backward in linear streams!\n");
+ return 1;
+ }
+ while(s->pos<newpos){
+ if(stream_fill_buffer(s)<=0) break; // EOF
+ }
+#endif
+ break;
+ default:
+ // This should at the beginning as soon as all streams are converted
+ if(!s->seek)
+ return 0;
+ // Now seek
+ if(!s->seek(s,newpos)) {
+ mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
+ return 0;
+ }
+ }
+// putchar('.');fflush(stdout);
+//} else {
+// putchar('%');fflush(stdout);
+}
+
+while(stream_fill_buffer(s) > 0 && pos >= 0) {
+ if(pos<=s->buf_len){
+ s->buf_pos=pos; // byte position in sector
+ return 1;
+ }
+ pos -= s->buf_len;
+}
+
+// if(pos==s->buf_len) printf("XXX Seek to last byte of file -> EOF\n");
+
+ mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%"PRIX64" !\n",(int64_t)(pos+newpos));
+ return 0;
+}
+
+
+void stream_reset(stream_t *s){
+ if(s->eof){
+ s->pos=0; //ftell(f);
+// s->buf_pos=s->buf_len=0;
+ s->eof=0;
+ }
+ if(s->control) s->control(s,STREAM_CTRL_RESET,NULL);
+ //stream_seek(s,0);
+}
+
+int stream_control(stream_t *s, int cmd, void *arg){
+ if(!s->control) return STREAM_UNSUPORTED;
+ return s->control(s, cmd, arg);
+}
+
+stream_t* new_memory_stream(unsigned char* data,int len){
+ stream_t *s;
+
+ if(len < 0)
+ return NULL;
+ s=malloc(sizeof(stream_t)+len);
+ memset(s,0,sizeof(stream_t));
+ s->fd=-1;
+ s->type=STREAMTYPE_MEMORY;
+ s->buf_pos=0; s->buf_len=len;
+ s->start_pos=0; s->end_pos=len;
+ stream_reset(s);
+ s->pos=len;
+ memcpy(s->buffer,data,len);
+ return s;
+}
+
+stream_t* new_stream(int fd,int type){
+ stream_t *s=malloc(sizeof(stream_t));
+ if(s==NULL) return NULL;
+ memset(s,0,sizeof(stream_t));
+
+#ifdef HAVE_WINSOCK2
+ {
+ WSADATA wsdata;
+ int temp = WSAStartup(0x0202, &wsdata); // there might be a better place for this (-> later)
+ mp_msg(MSGT_STREAM,MSGL_V,"WINSOCK2 init: %i\n", temp);
+ }
+#endif
+
+ s->fd=fd;
+ s->type=type;
+ s->buf_pos=s->buf_len=0;
+ s->start_pos=s->end_pos=0;
+ s->priv=NULL;
+ s->url=NULL;
+ s->cache_pid=0;
+ stream_reset(s);
+ return s;
+}
+
+void free_stream(stream_t *s){
+// printf("\n*** free_stream() called ***\n");
+#ifdef USE_STREAM_CACHE
+ if(s->cache_pid) {
+ cache_uninit(s);
+ }
+#endif
+ if(s->close) s->close(s);
+ if(s->fd>0){
+ /* on unix we define closesocket to close
+ on windows however we have to distinguish between
+ network socket and file */
+ if(s->url && strstr(s->url,"://"))
+ closesocket(s->fd);
+ else close(s->fd);
+ }
+#ifdef HAVE_WINSOCK2
+ mp_msg(MSGT_STREAM,MSGL_V,"WINSOCK2 uninit\n");
+ WSACleanup(); // there might be a better place for this (-> later)
+#endif
+ // Disabled atm, i don't like that. s->priv can be anything after all
+ // streams should destroy their priv on close
+ //if(s->priv) free(s->priv);
+ if(s->url) free(s->url);
+ free(s);
+}
+
+stream_t* new_ds_stream(demux_stream_t *ds) {
+ stream_t* s = new_stream(-1,STREAMTYPE_DS);
+ s->priv = ds;
+ return s;
+}