61 return read(c->
fd, buf, size);
67 return write(c->
fd, buf, size);
89 #if CONFIG_FILE_PROTOCOL
100 access = O_CREAT | O_RDWR;
104 access = O_CREAT | O_WRONLY;
113 fd = open(filename, access, 0666);
121 static int64_t file_seek(
URLContext *h, int64_t pos,
int whence)
129 ret = fstat(c->
fd, &st);
130 return ret < 0 ?
AVERROR(errno) : st.st_size;
133 ret = lseek(c->
fd, pos, whence);
135 return ret < 0 ?
AVERROR(errno) : ret;
146 .url_open = file_open,
149 .url_seek = file_seek,
150 .url_close = file_close,
154 .priv_data_class = &file_class,
159 #if CONFIG_PIPE_PROTOCOL
161 static int pipe_open(
URLContext *h,
const char *filename,
int flags)
168 fd = strtol(filename, &
final, 10);
169 if((filename ==
final) || *
final ) {
170 if (flags & AVIO_FLAG_WRITE) {
177 setmode(fd, O_BINARY);
186 .url_open = pipe_open,
int is_streamed
true if streamed (no seek possible), default = false
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
miscellaneous OS support macros and functions.
static const uint16_t mask[17]
static av_always_inline av_const double trunc(double x)
#define AV_OPT_FLAG_ENCODING_PARAM
static void close(AVCodecParserContext *s)
Describe the class of an AVClass context structure.
int av_strstart(const char *str, const char *pfx, const char **ptr)
Return non-zero if pfx is a prefix of str.
char * filename
specified URL
unbuffered private I/O API