diff options
| -rw-r--r-- | stream.c | 14 | ||||
| -rw-r--r-- | stream.h | 5 |
2 files changed, 16 insertions, 3 deletions
@@ -65,7 +65,7 @@ int stream_fill_buffer(stream_t *s){ int stream_seek_long(stream_t *s,off_t pos){ off_t newpos; -// if(verbose>=3) printf("seek to 0x%X\n",(unsigned int)pos); +// if(verbose>=3) printf("seek_long to 0x%X\n",(unsigned int)pos); s->buf_pos=s->buf_len=0; @@ -157,6 +157,18 @@ void stream_reset(stream_t *s){ //stream_seek(s,0); } +stream_t* new_memory_stream(unsigned char* data,int len){ + stream_t *s=malloc(sizeof(stream_t)+len); + 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)); s->fd=fd; @@ -7,6 +7,7 @@ #define STREAMTYPE_VCD 1 #define STREAMTYPE_STREAM 2 // same as FILE but no seeking (for stdin) #define STREAMTYPE_DVD 3 +#define STREAMTYPE_MEMORY 4 #define VCD_SECTOR_SIZE 2352 #define VCD_SECTOR_OFFS 24 @@ -26,8 +27,8 @@ typedef struct { int type; // 0=file 1=VCD unsigned int buf_pos,buf_len; off_t start_pos,end_pos; - unsigned char buffer[STREAM_BUFFER_SIZE>VCD_SECTOR_SIZE?STREAM_BUFFER_SIZE:VCD_SECTOR_SIZE]; void* priv; // used for DVD + unsigned char buffer[STREAM_BUFFER_SIZE>VCD_SECTOR_SIZE?STREAM_BUFFER_SIZE:VCD_SECTOR_SIZE]; } stream_t; int stream_fill_buffer(stream_t *s); @@ -135,6 +136,6 @@ inline static int stream_skip(stream_t *s,int len){ void stream_reset(stream_t *s); stream_t* new_stream(int fd,int type); void free_stream(stream_t *s); - +stream_t* new_memory_stream(unsigned char* data,int len); #endif // __STREAM_H |