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avio: K&R formatting cosmetics

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pull/44/head
Luca Barbato 11 years ago
parent aaaf2dc023
commit 53151723e3
1 changed files with 50 additions and 40 deletions
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  1. 90
      libavformat/avio.c

90
libavformat/avio.c
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@ -42,8 +42,10 @@ URLProtocol *ffurl_protocol_next(URLProtocol *prev)
static const char *urlcontext_to_name(void *ptr)
{
URLContext *h = (URLContext *)ptr;
if(h->prot) return h->prot->name;
else return "NULL";
if (h->prot)
return h->prot->name;
else
return "NULL";
}
static void *urlcontext_child_next(void *obj, void *prev)
@ -68,26 +70,25 @@ static const AVClass *urlcontext_child_class_next(const AVClass *prev)
if (p->priv_data_class)
return p->priv_data_class;
return NULL;
}
static const AVOption options[] = {{NULL}};
static const AVOption options[] = { { NULL } };
const AVClass ffurl_context_class = {
.class_name = "URLContext",
.item_name = urlcontext_to_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
.child_next = urlcontext_child_next,
.class_name = "URLContext",
.item_name = urlcontext_to_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
.child_next = urlcontext_child_next,
.child_class_next = urlcontext_child_class_next,
};
/*@}*/
const char *avio_enum_protocols(void **opaque, int output)
{
URLProtocol *p;
*opaque = ffurl_protocol_next(*opaque);
if (!(p = *opaque)) return NULL;
if (!(p = *opaque))
return NULL;
if ((output && p->url_write) || (!output && p->url_read))
return p->name;
return avio_enum_protocols(opaque, output);
@ -97,20 +98,21 @@ int ffurl_register_protocol(URLProtocol *protocol, int size)
{
URLProtocol **p;
if (size < sizeof(URLProtocol)) {
URLProtocol* temp = av_mallocz(sizeof(URLProtocol));
URLProtocol *temp = av_mallocz(sizeof(URLProtocol));
memcpy(temp, protocol, size);
protocol = temp;
}
p = &first_protocol;
while (*p != NULL) p = &(*p)->next;
*p = protocol;
while (*p != NULL)
p = &(*p)->next;
*p = protocol;
protocol->next = NULL;
return 0;
}
static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
const char *filename, int flags,
const AVIOInterruptCB *int_cb)
static int url_alloc_for_protocol(URLContext **puc, struct URLProtocol *up,
const char *filename, int flags,
const AVIOInterruptCB *int_cb)
{
URLContext *uc;
int err;
@ -125,16 +127,16 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
goto fail;
}
uc->av_class = &ffurl_context_class;
uc->filename = (char *) &uc[1];
uc->filename = (char *)&uc[1];
strcpy(uc->filename, filename);
uc->prot = up;
uc->flags = flags;
uc->is_streamed = 0; /* default = not streamed */
uc->prot = up;
uc->flags = flags;
uc->is_streamed = 0; /* default = not streamed */
uc->max_packet_size = 0; /* default: stream file */
if (up->priv_data_size) {
uc->priv_data = av_mallocz(up->priv_data_size);
if (up->priv_data_class) {
*(const AVClass**)uc->priv_data = up->priv_data_class;
*(const AVClass **)uc->priv_data = up->priv_data_class;
av_opt_set_defaults(uc->priv_data);
}
}
@ -143,7 +145,7 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
*puc = uc;
return 0;
fail:
fail:
*puc = NULL;
#if CONFIG_NETWORK
if (up->flags & URL_PROTOCOL_FLAG_NETWORK)
@ -152,19 +154,22 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
return err;
}
int ffurl_connect(URLContext* uc, AVDictionary **options)
int ffurl_connect(URLContext *uc, AVDictionary **options)
{
int err =
uc->prot->url_open2 ? uc->prot->url_open2(uc, uc->filename, uc->flags, options) :
uc->prot->url_open2 ? uc->prot->url_open2(uc,
uc->filename,
uc->flags,
options) :
uc->prot->url_open(uc, uc->filename, uc->flags);
if (err)
return err;
uc->is_connected = 1;
//We must be careful here as ffurl_seek() could be slow, for example for http
if( (uc->flags & AVIO_FLAG_WRITE)
|| !strcmp(uc->prot->name, "file"))
if(!uc->is_streamed && ffurl_seek(uc, 0, SEEK_SET) < 0)
uc->is_streamed= 1;
/* We must be careful here as ffurl_seek() could be slow,
* for example for http */
if ((uc->flags & AVIO_FLAG_WRITE) || !strcmp(uc->prot->name, "file"))
if (!uc->is_streamed && ffurl_seek(uc, 0, SEEK_SET) < 0)
uc->is_streamed = 1;
return 0;
}
@ -183,7 +188,8 @@ int ffurl_alloc(URLContext **puc, const char *filename, int flags,
if (filename[proto_len] != ':' || is_dos_path(filename))
strcpy(proto_str, "file");
else
av_strlcpy(proto_str, filename, FFMIN(proto_len+1, sizeof(proto_str)));
av_strlcpy(proto_str, filename,
FFMIN(proto_len + 1, sizeof(proto_str)));
av_strlcpy(proto_nested, proto_str, sizeof(proto_nested));
if ((ptr = strchr(proto_nested, '+')))
@ -191,10 +197,10 @@ int ffurl_alloc(URLContext **puc, const char *filename, int flags,
while (up = ffurl_protocol_next(up)) {
if (!strcmp(proto_str, up->name))
return url_alloc_for_protocol (puc, up, filename, flags, int_cb);
return url_alloc_for_protocol(puc, up, filename, flags, int_cb);
if (up->flags & URL_PROTOCOL_FLAG_NESTED_SCHEME &&
!strcmp(proto_nested, up->name))
return url_alloc_for_protocol (puc, up, filename, flags, int_cb);
return url_alloc_for_protocol(puc, up, filename, flags, int_cb);
}
*puc = NULL;
return AVERROR_PROTOCOL_NOT_FOUND;
@ -218,15 +224,18 @@ fail:
return ret;
}
static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int size, int size_min,
int (*transfer_func)(URLContext *h, unsigned char *buf, int size))
static inline int retry_transfer_wrapper(URLContext *h, uint8_t *buf,
int size, int size_min,
int (*transfer_func)(URLContext *h,
uint8_t *buf,
int size))
{
int ret, len;
int fast_retries = 5;
len = 0;
while (len < size_min) {
ret = transfer_func(h, buf+len, size-len);
ret = transfer_func(h, buf + len, size - len);
if (ret == AVERROR(EINTR))
continue;
if (h->flags & AVIO_FLAG_NONBLOCK)
@ -240,7 +249,7 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int
} else if (ret < 1)
return (ret < 0 && ret != AVERROR_EOF) ? ret : len;
if (ret)
fast_retries = FFMAX(fast_retries, 2);
fast_retries = FFMAX(fast_retries, 2);
len += ret;
if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
@ -286,7 +295,8 @@ int64_t ffurl_seek(URLContext *h, int64_t pos, int whence)
int ffurl_close(URLContext *h)
{
int ret = 0;
if (!h) return 0; /* can happen when ffurl_open fails */
if (!h)
return 0; /* can happen when ffurl_open fails */
if (h->is_connected && h->prot->url_close)
ret = h->prot->url_close(h);
@ -326,8 +336,8 @@ int64_t ffurl_size(URLContext *h)
{
int64_t pos, size;
size= ffurl_seek(h, 0, AVSEEK_SIZE);
if(size<0){
size = ffurl_seek(h, 0, AVSEEK_SIZE);
if (size < 0) {
pos = ffurl_seek(h, 0, SEEK_CUR);
if ((size = ffurl_seek(h, -1, SEEK_END)) < 0)
return size;

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