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Code Issues Releases Activity

lavf/file: implement directory listing callbacks

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Signed-off-by: Lukasz Marek <lukasz.m.luki2 at gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Lukasz Marek 2015-06-22 00:01:32 +02:00 committed by Michael Niedermayer
parent 060102389e
commit d39a9b01e2
1 changed files with 87 additions and 0 deletions
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87
libavformat/file.c
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@ -23,6 +23,7 @@
#include "libavutil/internal.h" #include "libavutil/internal.h"
#include "libavutil/opt.h" #include "libavutil/opt.h"
#include "avformat.h" #include "avformat.h"
#include <dirent.h>
#include <fcntl.h> #include <fcntl.h>
#if HAVE_IO_H #if HAVE_IO_H
#include <io.h> #include <io.h>
@ -51,6 +52,7 @@ typedef struct FileContext {
int fd; int fd;
int trunc; int trunc;
int blocksize; int blocksize;
DIR *dir;
} FileContext; } FileContext;
static const AVOption file_options[] = { static const AVOption file_options[] = {
@ -225,6 +227,88 @@ static int file_close(URLContext *h)
return close(c->fd); return close(c->fd);
} }
static int file_open_dir(URLContext *h)
{
FileContext *c = h->priv_data;
c->dir = opendir(h->filename);
if (!c->dir)
return AVERROR(errno);
return 0;
}
static int file_read_dir(URLContext *h, AVIODirEntry **next)
{
FileContext *c = h->priv_data;
struct dirent *dir;
char *fullpath = NULL;
*next = ff_alloc_dir_entry();
if (!*next)
return AVERROR(ENOMEM);
do {
errno = 0;
dir = readdir(c->dir);
if (!dir) {
av_freep(next);
return AVERROR(errno);
}
} while (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."));
fullpath = av_append_path_component(h->filename, dir->d_name);
if (fullpath) {
struct stat st;
if (!stat(fullpath, &st)) {
(*next)->group_id = st.st_gid;
(*next)->user_id = st.st_uid;
(*next)->size = st.st_size;
(*next)->filemode = st.st_mode & 0777;
(*next)->modification_timestamp = INT64_C(1000000) * st.st_mtime;
(*next)->access_timestamp = INT64_C(1000000) * st.st_atime;
(*next)->status_change_timestamp = INT64_C(1000000) * st.st_ctime;
}
av_free(fullpath);
}
(*next)->name = av_strdup(dir->d_name);
switch (dir->d_type) {
case DT_FIFO:
(*next)->type = AVIO_ENTRY_NAMED_PIPE;
break;
case DT_CHR:
(*next)->type = AVIO_ENTRY_CHARACTER_DEVICE;
break;
case DT_DIR:
(*next)->type = AVIO_ENTRY_DIRECTORY;
break;
case DT_BLK:
(*next)->type = AVIO_ENTRY_BLOCK_DEVICE;
break;
case DT_REG:
(*next)->type = AVIO_ENTRY_FILE;
break;
case DT_LNK:
(*next)->type = AVIO_ENTRY_SYMBOLIC_LINK;
break;
case DT_SOCK:
(*next)->type = AVIO_ENTRY_SOCKET;
break;
case DT_UNKNOWN:
default:
(*next)->type = AVIO_ENTRY_UNKNOWN;
break;
}
return 0;
}
static int file_close_dir(URLContext *h)
{
FileContext *c = h->priv_data;
closedir(c->dir);
return 0;
}
URLProtocol ff_file_protocol = { URLProtocol ff_file_protocol = {
.name = "file", .name = "file",
.url_open = file_open, .url_open = file_open,
@ -238,6 +322,9 @@ URLProtocol ff_file_protocol = {
.url_move = file_move, .url_move = file_move,
.priv_data_size = sizeof(FileContext), .priv_data_size = sizeof(FileContext),
.priv_data_class = &file_class, .priv_data_class = &file_class,
.url_open_dir = file_open_dir,
.url_read_dir = file_read_dir,
.url_close_dir = file_close_dir,
}; };
#endif /* CONFIG_FILE_PROTOCOL */ #endif /* CONFIG_FILE_PROTOCOL */