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examples/avio_list_dir: add move and delete methods

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Mariusz Szczepańczyk 2015-08-15 02:01:20 +02:00 committed by Michael Niedermayer
parent 4b0e112442
commit c84d208c27
1 changed files with 76 additions and 16 deletions
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92
doc/examples/avio_list_dir.c
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@ -54,28 +54,13 @@ static const char *type_string(int type)
return "<UNKNOWN>"; return "<UNKNOWN>";
} }
int main(int argc, char *argv[]) static int list_op(const char *input_dir)
{ {
const char *input_dir = NULL;
AVIODirEntry *entry = NULL; AVIODirEntry *entry = NULL;
AVIODirContext *ctx = NULL; AVIODirContext *ctx = NULL;
int cnt, ret; int cnt, ret;
char filemode[4], uid_and_gid[20]; char filemode[4], uid_and_gid[20];
av_log_set_level(AV_LOG_DEBUG);
if (argc != 2) {
fprintf(stderr, "usage: %s input_dir\n"
"API example program to show how to list files in directory "
"accessed through AVIOContext.\n", argv[0]);
return 1;
}
input_dir = argv[1];
/* register codecs and formats and other lavf/lavc components*/
av_register_all();
avformat_network_init();
if ((ret = avio_open_dir(&ctx, input_dir, NULL)) < 0) { if ((ret = avio_open_dir(&ctx, input_dir, NULL)) < 0) {
av_log(NULL, AV_LOG_ERROR, "Cannot open directory: %s.\n", av_err2str(ret)); av_log(NULL, AV_LOG_ERROR, "Cannot open directory: %s.\n", av_err2str(ret));
goto fail; goto fail;
@ -114,6 +99,81 @@ int main(int argc, char *argv[])
fail: fail:
avio_close_dir(&ctx); avio_close_dir(&ctx);
return ret;
}
static int del_op(const char *url)
{
int ret = avpriv_io_delete(url);
if (ret < 0)
av_log(NULL, AV_LOG_ERROR, "Cannot delete '%s': %s.\n", url, av_err2str(ret));
return ret;
}
static int move_op(const char *src, const char *dst)
{
int ret = avpriv_io_move(src, dst);
if (ret < 0)
av_log(NULL, AV_LOG_ERROR, "Cannot move '%s' into '%s': %s.\n", src, dst, av_err2str(ret));
return ret;
}
static void usage(const char *program_name)
{
fprintf(stderr, "usage: %s OPERATION entry1 [entry2]\n"
"API example program to show how to manipulate resources "
"accessed through AVIOContext.\n"
"OPERATIONS:\n"
"list list content of the directory\n"
"move rename content in directory\n"
"del delete content in directory\n",
program_name);
}
int main(int argc, char *argv[])
{
const char *op = NULL;
int ret;
av_log_set_level(AV_LOG_DEBUG);
if (argc < 2) {
usage(argv[0]);
return 1;
}
/* register codecs and formats and other lavf/lavc components*/
av_register_all();
avformat_network_init();
op = argv[1];
if (strcmp(op, "list") == 0) {
if (argc < 3) {
av_log(NULL, AV_LOG_INFO, "Missing argument for list operation.\n");
ret = AVERROR(EINVAL);
} else {
ret = list_op(argv[2]);
}
} else if (strcmp(op, "del") == 0) {
if (argc < 3) {
av_log(NULL, AV_LOG_INFO, "Missing argument for del operation.\n");
ret = AVERROR(EINVAL);
} else {
ret = del_op(argv[2]);
}
} else if (strcmp(op, "move") == 0) {
if (argc < 4) {
av_log(NULL, AV_LOG_INFO, "Missing argument for move operation.\n");
ret = AVERROR(EINVAL);
} else {
ret = move_op(argv[2], argv[3]);
}
} else {
av_log(NULL, AV_LOG_INFO, "Invalid operation %s\n", op);
ret = AVERROR(EINVAL);
}
avformat_network_deinit(); avformat_network_deinit();
return ret < 0 ? 1 : 0; return ret < 0 ? 1 : 0;