diff --git a/doc/indevs.texi b/doc/indevs.texi
index f0337ba244..90ae29c69e 100644
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -418,7 +418,7 @@ To list the pulse source devices and their properties you can invoke
the command @file{pactl list sources}.
@example
-ffmpeg -f pulse -i default /tmp/pulse.wav
+avconv -f pulse -i default /tmp/pulse.wav
@end example
@subsection @var{server} AVOption
diff --git a/doc/t2h.init b/doc/t2h.init
index cd38a3ec9e..015712f699 100644
--- a/doc/t2h.init
+++ b/doc/t2h.init
@@ -1,15 +1,71 @@
# no horiz rules between sections
-$end_section = \&FFMPEG_end_section;
-sub FFMPEG_end_section($$)
+$end_section = \&FFmpeg_end_section;
+sub FFmpeg_end_section($$)
{
}
-$print_page_foot = \&FFMPEG_print_page_foot;
-sub FFMPEG_print_page_foot($$)
+$EXTRA_HEAD =
+'
+
+';
+
+$AFTER_BODY_OPEN =
+'
+
';
+
+$PRE_BODY_CLOSE = '
';
+
+$SMALL_RULE = '';
+$BODYTEXT = '';
+
+$print_page_foot = \&FFmpeg_print_page_foot;
+sub FFmpeg_print_page_foot($$)
{
my $fh = shift;
- print $fh "$SMALL_RULE\n";
+ print $fh '\n";
+}
+
+$print_page_head = \&FFmpeg_print_page_head;
+sub FFmpeg_print_page_head($$)
+{
+ my $fh = shift;
+ my $longtitle = "$Texi2HTML::THISDOC{'title_no_texi'}";
+ $longtitle .= ": $Texi2HTML::NO_TEXI{'This'}" if exists $Texi2HTML::NO_TEXI{'This'};
+ my $description = $DOCUMENT_DESCRIPTION;
+ $description = $longtitle if (!defined($description));
+ $description = "" if
+ ($description ne '');
+ $description = $Texi2HTML::THISDOC{'documentdescription'} if (defined($Texi2HTML::THISDOC{'documentdescription'}));
+ my $encoding = '';
+ $encoding = "" if (defined($ENCODING) and ($ENCODING ne ''));
+ $longtitle =~ s/Documentation.*//g;
+ $longtitle = "FFmpeg documentation : " . $longtitle;
+
+ print $fh <
+$Texi2HTML::THISDOC{'copying'}
+
+
+$longtitle
+
+$description
+
+
+
+
+$encoding
+$CSS_LINES
+$EXTRA_HEAD
+
+
+
+$AFTER_BODY_OPEN
+EOT
}
# no navigation elements
diff --git a/libavformat/applehttp.c b/libavformat/applehttp.c
index 432bf4ebcc..97bd74a152 100644
--- a/libavformat/applehttp.c
+++ b/libavformat/applehttp.c
@@ -99,6 +99,7 @@ typedef struct AppleHTTPContext {
int cur_seq_no;
int end_of_segment;
int first_packet;
+ AVIOInterruptCB *interrupt_callback;
} AppleHTTPContext;
static int read_chomp_line(AVIOContext *s, char *buf, int maxlen)
@@ -209,7 +210,8 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,
if (!in) {
close_in = 1;
- if ((ret = avio_open(&in, url, AVIO_FLAG_READ)) < 0)
+ if ((ret = avio_open2(&in, url, AVIO_FLAG_READ,
+ c->interrupt_callback, NULL)) < 0)
return ret;
}
@@ -322,13 +324,15 @@ static int open_input(struct variant *var)
{
struct segment *seg = var->segments[var->cur_seq_no - var->start_seq_no];
if (seg->key_type == KEY_NONE) {
- return ffurl_open(&var->input, seg->url, AVIO_FLAG_READ);
+ return ffurl_open(&var->input, seg->url, AVIO_FLAG_READ,
+ &var->parent->interrupt_callback, NULL);
} else if (seg->key_type == KEY_AES_128) {
char iv[33], key[33], url[MAX_URL_SIZE];
int ret;
if (strcmp(seg->key, var->key_url)) {
URLContext *uc;
- if (ffurl_open(&uc, seg->key, AVIO_FLAG_READ) == 0) {
+ if (ffurl_open(&uc, seg->key, AVIO_FLAG_READ,
+ &var->parent->interrupt_callback, NULL) == 0) {
if (ffurl_read_complete(uc, var->key, sizeof(var->key))
!= sizeof(var->key)) {
av_log(NULL, AV_LOG_ERROR, "Unable to read key file %s\n",
@@ -348,11 +352,12 @@ static int open_input(struct variant *var)
snprintf(url, sizeof(url), "crypto+%s", seg->url);
else
snprintf(url, sizeof(url), "crypto:%s", seg->url);
- if ((ret = ffurl_alloc(&var->input, url, AVIO_FLAG_READ)) < 0)
+ if ((ret = ffurl_alloc(&var->input, url, AVIO_FLAG_READ,
+ &var->parent->interrupt_callback)) < 0)
return ret;
av_opt_set(var->input->priv_data, "key", key, 0);
av_opt_set(var->input->priv_data, "iv", iv, 0);
- if ((ret = ffurl_connect(var->input)) < 0) {
+ if ((ret = ffurl_connect(var->input, NULL)) < 0) {
ffurl_close(var->input);
var->input = NULL;
return ret;
@@ -388,7 +393,7 @@ reload:
return AVERROR_EOF;
while (av_gettime() - v->last_load_time <
v->target_duration*1000000) {
- if (url_interrupt_cb())
+ if (ff_check_interrupt(c->interrupt_callback))
return AVERROR_EXIT;
usleep(100*1000);
}
@@ -433,6 +438,8 @@ static int applehttp_read_header(AVFormatContext *s, AVFormatParameters *ap)
AppleHTTPContext *c = s->priv_data;
int ret = 0, i, j, stream_offset = 0;
+ c->interrupt_callback = &s->interrupt_callback;
+
if ((ret = parse_playlist(c, s->filename, NULL, s->pb)) < 0)
goto fail;
diff --git a/libavformat/applehttpproto.c b/libavformat/applehttpproto.c
index bb5029d82f..8218c0e05f 100644
--- a/libavformat/applehttpproto.c
+++ b/libavformat/applehttpproto.c
@@ -114,7 +114,8 @@ static int parse_playlist(URLContext *h, const char *url)
char line[1024];
const char *ptr;
- if ((ret = avio_open(&in, url, AVIO_FLAG_READ)) < 0)
+ if ((ret = avio_open2(&in, url, AVIO_FLAG_READ,
+ &h->interrupt_callback, NULL)) < 0)
return ret;
read_chomp_line(in, line, sizeof(line));
@@ -266,7 +267,7 @@ retry:
if (s->finished)
return AVERROR_EOF;
while (av_gettime() - s->last_load_time < s->target_duration*1000000) {
- if (url_interrupt_cb())
+ if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
usleep(100*1000);
}
@@ -274,9 +275,10 @@ retry:
}
url = s->segments[s->cur_seq_no - s->start_seq_no]->url,
av_log(h, AV_LOG_DEBUG, "opening %s\n", url);
- ret = ffurl_open(&s->seg_hd, url, AVIO_FLAG_READ);
+ ret = ffurl_open(&s->seg_hd, url, AVIO_FLAG_READ,
+ &h->interrupt_callback, NULL);
if (ret < 0) {
- if (url_interrupt_cb())
+ if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
av_log(h, AV_LOG_WARNING, "Unable to open %s\n", url);
s->cur_seq_no++;
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index cf0dae9c32..e0e9c1f734 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -1027,12 +1027,24 @@ typedef struct AVFormatContext {
*/
int error_recognition;
+ /**
+ * Custom interrupt callbacks for the I/O layer.
+ *
+ * decoding: set by the user before avformat_open_input().
+ * encoding: set by the user before avformat_write_header()
+ * (mainly useful for AVFMT_NOFILE formats). The callback
+ * should also be passed to avio_open2() if it's used to
+ * open the file.
+ */
+ AVIOInterruptCB interrupt_callback;
+
/**
* Transport stream id.
* This will be moved into demuxer private options. Thus no API/ABI compatibility
*/
int ts_id;
+
/*****************************************************************
* All fields below this line are not part of the public API. They
* may not be used outside of libavformat and can be changed and
diff --git a/libavformat/avio.c b/libavformat/avio.c
index 4141d0bd7d..879844aefc 100644
--- a/libavformat/avio.c
+++ b/libavformat/avio.c
@@ -22,6 +22,7 @@
#include
#include "libavutil/avstring.h"
+#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "os_support.h"
#include "avformat.h"
@@ -30,6 +31,13 @@
#endif
#include "url.h"
+static URLProtocol *first_protocol = NULL;
+
+URLProtocol *ffurl_protocol_next(URLProtocol *prev)
+{
+ return prev ? prev->next : first_protocol;
+}
+
/** @name Logging context. */
/*@{*/
static const char *urlcontext_to_name(void *ptr)
@@ -38,33 +46,59 @@ static const char *urlcontext_to_name(void *ptr)
if(h->prot) return h->prot->name;
else return "NULL";
}
+
+static void *urlcontext_child_next(void *obj, void *prev)
+{
+ URLContext *h = obj;
+ if (!prev && h->priv_data && h->prot->priv_data_class)
+ return h->priv_data;
+ return NULL;
+}
+
+static const AVClass *urlcontext_child_class_next(const AVClass *prev)
+{
+ URLProtocol *p = NULL;
+
+ /* find the protocol that corresponds to prev */
+ while (prev && (p = ffurl_protocol_next(p)))
+ if (p->priv_data_class == prev)
+ break;
+
+ /* find next protocol with priv options */
+ while (p = ffurl_protocol_next(p))
+ if (p->priv_data_class)
+ return p->priv_data_class;
+ return NULL;
+
+}
+
static const AVOption options[] = {{NULL}};
-static const AVClass urlcontext_class = {
+const AVClass ffurl_context_class = {
.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,
};
/*@}*/
static int default_interrupt_cb(void);
-URLProtocol *first_protocol = NULL;
int (*url_interrupt_cb)(void) = default_interrupt_cb;
URLProtocol *av_protocol_next(URLProtocol *p)
{
- if(p) return p->next;
- else return first_protocol;
+ return ffurl_protocol_next(p);
}
const char *avio_enum_protocols(void **opaque, int output)
{
- URLProtocol *p = *opaque;
- p = p ? p->next : first_protocol;
- if (!p) return NULL;
- if ((output && p->url_write) || (!output && p->url_read))
- return p->name;
+ URLProtocol **p = opaque;
+ *p = ffurl_protocol_next(*p);
+ if (!*p) return NULL;
+ if ((output && (*p)->url_write) || (!output && (*p)->url_read))
+ return (*p)->name;
return avio_enum_protocols(opaque, output);
}
@@ -84,7 +118,8 @@ int ffurl_register_protocol(URLProtocol *protocol, int size)
}
static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
- const char *filename, int flags)
+ const char *filename, int flags,
+ const AVIOInterruptCB *int_cb)
{
URLContext *uc;
int err;
@@ -98,7 +133,7 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
err = AVERROR(ENOMEM);
goto fail;
}
- uc->av_class = &urlcontext_class;
+ uc->av_class = &ffurl_context_class;
uc->filename = (char *) &uc[1];
strcpy(uc->filename, filename);
uc->prot = up;
@@ -112,6 +147,8 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
av_opt_set_defaults(uc->priv_data);
}
}
+ if (int_cb)
+ uc->interrupt_callback = *int_cb;
*puc = uc;
return 0;
@@ -123,9 +160,13 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
return err;
}
-int ffurl_connect(URLContext* uc)
+int ffurl_connect(URLContext* uc, AVDictionary **options)
{
- int err = uc->prot->url_open(uc, uc->filename, uc->flags);
+ int err =
+#if !FF_API_OLD_AVIO
+ uc->prot->url_open2 ? uc->prot->url_open2(uc, uc->filename, uc->flags, options) :
+#endif
+ uc->prot->url_open(uc, uc->filename, uc->flags);
if (err)
return err;
uc->is_connected = 1;
@@ -143,10 +184,10 @@ int url_open_protocol (URLContext **puc, struct URLProtocol *up,
{
int ret;
- ret = url_alloc_for_protocol(puc, up, filename, flags);
+ ret = url_alloc_for_protocol(puc, up, filename, flags, NULL);
if (ret)
goto fail;
- ret = ffurl_connect(*puc);
+ ret = ffurl_connect(*puc, NULL);
if (!ret)
return 0;
fail:
@@ -156,15 +197,15 @@ int url_open_protocol (URLContext **puc, struct URLProtocol *up,
}
int url_alloc(URLContext **puc, const char *filename, int flags)
{
- return ffurl_alloc(puc, filename, flags);
+ return ffurl_alloc(puc, filename, flags, NULL);
}
int url_connect(URLContext* uc)
{
- return ffurl_connect(uc);
+ return ffurl_connect(uc, NULL);
}
int url_open(URLContext **puc, const char *filename, int flags)
{
- return ffurl_open(puc, filename, flags);
+ return ffurl_open(puc, filename, flags, NULL, NULL);
}
int url_read(URLContext *h, unsigned char *buf, int size)
{
@@ -217,9 +258,10 @@ int av_register_protocol2(URLProtocol *protocol, int size)
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
"0123456789+-."
-int ffurl_alloc(URLContext **puc, const char *filename, int flags)
+int ffurl_alloc(URLContext **puc, const char *filename, int flags,
+ const AVIOInterruptCB *int_cb)
{
- URLProtocol *up;
+ URLProtocol *up = NULL;
char proto_str[128], proto_nested[128], *ptr;
size_t proto_len = strspn(filename, URL_SCHEME_CHARS);
@@ -237,27 +279,30 @@ int ffurl_alloc(URLContext **puc, const char *filename, int flags)
if ((ptr = strchr(proto_nested, '+')))
*ptr = '\0';
- up = first_protocol;
- while (up != NULL) {
+ while (up = ffurl_protocol_next(up)) {
if (!strcmp(proto_str, up->name))
- return url_alloc_for_protocol (puc, up, filename, flags);
+ 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);
- up = up->next;
+ return url_alloc_for_protocol (puc, up, filename, flags, int_cb);
}
*puc = NULL;
return AVERROR(ENOENT);
}
-int ffurl_open(URLContext **puc, const char *filename, int flags)
+int ffurl_open(URLContext **puc, const char *filename, int flags,
+ const AVIOInterruptCB *int_cb, AVDictionary **options)
{
- int ret = ffurl_alloc(puc, filename, flags);
+ int ret = ffurl_alloc(puc, filename, flags, int_cb);
if (ret)
return ret;
- ret = ffurl_connect(*puc);
+ if (options && (*puc)->prot->priv_data_class &&
+ (ret = av_opt_set_dict((*puc)->priv_data, options)) < 0)
+ goto fail;
+ ret = ffurl_connect(*puc, options);
if (!ret)
return 0;
+fail:
ffurl_close(*puc);
*puc = NULL;
return ret;
@@ -287,7 +332,7 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int
if (ret)
fast_retries = FFMAX(fast_retries, 2);
len += ret;
- if (len < size && url_interrupt_cb())
+ if (len < size && ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
}
return len;
@@ -351,7 +396,7 @@ int ffurl_close(URLContext *h)
int url_exist(const char *filename)
{
URLContext *h;
- if (ffurl_open(&h, filename, AVIO_FLAG_READ) < 0)
+ if (ffurl_open(&h, filename, AVIO_FLAG_READ, NULL, NULL) < 0)
return 0;
ffurl_close(h);
return 1;
@@ -361,14 +406,14 @@ int url_exist(const char *filename)
int avio_check(const char *url, int flags)
{
URLContext *h;
- int ret = ffurl_alloc(&h, url, flags);
+ int ret = ffurl_alloc(&h, url, flags, NULL);
if (ret)
return ret;
if (h->prot->url_check) {
ret = h->prot->url_check(h, flags);
} else {
- ret = ffurl_connect(h);
+ ret = ffurl_connect(h, NULL);
if (ret >= 0)
ret = flags;
}
@@ -411,6 +456,14 @@ void avio_set_interrupt_cb(int (*interrupt_cb)(void))
url_interrupt_cb = interrupt_cb;
}
+int ff_check_interrupt(AVIOInterruptCB *cb)
+{
+ int ret;
+ if (cb && cb->callback && (ret = cb->callback(cb->opaque)))
+ return ret;
+ return url_interrupt_cb();
+}
+
#if FF_API_OLD_AVIO
int av_url_read_pause(URLContext *h, int pause)
{
diff --git a/libavformat/avio.h b/libavformat/avio.h
index 8210cbd1da..14f3b7b292 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -28,6 +28,7 @@
#include
#include "libavutil/common.h"
+#include "libavutil/dict.h"
#include "libavutil/log.h"
#include "libavformat/version.h"
@@ -35,6 +36,22 @@
#define AVIO_SEEKABLE_NORMAL 0x0001 /**< Seeking works like for a local file */
+/**
+ * Callback for checking whether to abort blocking functions.
+ * AVERROR_EXIT is returned in this case by the interrupted
+ * function. During blocking operations, callback is called with
+ * opaque as parameter. If the callback returns 1, the
+ * blocking operation will be aborted.
+ *
+ * No members can be added to this struct without a major bump, if
+ * new elements have been added after this struct in AVFormatContext
+ * or AVIOContext.
+ */
+typedef struct {
+ int (*callback)(void*);
+ void *opaque;
+} AVIOInterruptCB;
+
/**
* Bytestream IO Context.
* New fields can be added to the end with minor version bumps.
@@ -48,6 +65,21 @@
* function pointers specified in avio_alloc_context()
*/
typedef struct {
+#if !FF_API_OLD_AVIO
+ /**
+ * A class for private options.
+ *
+ * If this AVIOContext is created by avio_open2(), av_class is set and
+ * passes the options down to protocols.
+ *
+ * If this AVIOContext is manually allocated, then av_class may be set by
+ * the caller.
+ *
+ * warning -- this field can be NULL, be sure to not pass this AVIOContext
+ * to any av_opt_* functions in that case.
+ */
+ AVClass *av_class;
+#endif
unsigned char *buffer; /**< Start of the buffer. */
int buffer_size; /**< Maximum buffer size */
unsigned char *buf_ptr; /**< Current position in the buffer */
@@ -109,6 +141,7 @@ typedef struct URLContext {
void *priv_data;
char *filename; /**< specified URL */
int is_connected;
+ AVIOInterruptCB interrupt_callback;
} URLContext;
#define URL_PROTOCOL_FLAG_NESTED_SCHEME 1 /*< The protocol name can be the first part of a nested protocol scheme */
@@ -556,6 +589,26 @@ int avio_get_str16be(AVIOContext *pb, int maxlen, char *buf, int buflen);
*/
int avio_open(AVIOContext **s, const char *url, int flags);
+/**
+ * Create and initialize a AVIOContext for accessing the
+ * resource indicated by url.
+ * @note When the resource indicated by url has been opened in
+ * read+write mode, the AVIOContext can be used only for writing.
+ *
+ * @param s Used to return the pointer to the created AVIOContext.
+ * In case of failure the pointed to value is set to NULL.
+ * @param flags flags which control how the resource indicated by url
+ * is to be opened
+ * @param int_cb an interrupt callback to be used at the protocols level
+ * @param options A dictionary filled with protocol-private options. On return
+ * this parameter will be destroyed and replaced with a dict containing options
+ * that were not found. May be NULL.
+ * @return 0 in case of success, a negative value corresponding to an
+ * AVERROR code in case of failure
+ */
+int avio_open2(AVIOContext **s, const char *url, int flags,
+ const AVIOInterruptCB *int_cb, AVDictionary **options);
+
/**
* Close the resource accessed by the AVIOContext s and free it.
* This function can only be used if s was opened by avio_open().
diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h
index 4c80163d31..f140897c5d 100644
--- a/libavformat/avio_internal.h
+++ b/libavformat/avio_internal.h
@@ -23,6 +23,10 @@
#include "avio.h"
#include "url.h"
+#include "libavutil/log.h"
+
+extern const AVClass ffio_url_class;
+
int ffio_init_context(AVIOContext *s,
unsigned char *buffer,
int buffer_size,
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 91a91db630..d9d012ee90 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -20,7 +20,10 @@
*/
#include "libavutil/crc.h"
+#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
#include "avformat.h"
#include "avio.h"
#include "avio_internal.h"
@@ -37,6 +40,31 @@
*/
#define SHORT_SEEK_THRESHOLD 4096
+#if !FF_API_OLD_AVIO
+static void *ffio_url_child_next(void *obj, void *prev)
+{
+ AVIOContext *s = obj;
+ return prev ? NULL : s->opaque;
+}
+
+static const AVClass *ffio_url_child_class_next(const AVClass *prev)
+{
+ return prev ? NULL : &ffurl_context_class;
+}
+
+static const AVOption ffio_url_options[] = {
+ { NULL },
+};
+
+const AVClass ffio_url_class = {
+ .class_name = "AVIOContext",
+ .item_name = av_default_item_name,
+ .version = LIBAVUTIL_VERSION_INT,
+ .option = ffio_url_options,
+ .child_next = ffio_url_child_next,
+ .child_class_next = ffio_url_child_class_next,
+};
+#endif
static void fill_buffer(AVIOContext *s);
static int url_resetbuf(AVIOContext *s, int flags);
@@ -866,6 +894,9 @@ int ffio_fdopen(AVIOContext **s, URLContext *h)
(*s)->read_pause = (int (*)(void *, int))h->prot->url_read_pause;
(*s)->read_seek = (int64_t (*)(void *, int, int64_t, int))h->prot->url_read_seek;
}
+#if !FF_API_OLD_AVIO
+ (*s)->av_class = &ffio_url_class;
+#endif
return 0;
}
@@ -938,11 +969,17 @@ int ffio_rewind_with_probe_data(AVIOContext *s, unsigned char *buf, int buf_size
}
int avio_open(AVIOContext **s, const char *filename, int flags)
+{
+ return avio_open2(s, filename, flags, NULL, NULL);
+}
+
+int avio_open2(AVIOContext **s, const char *filename, int flags,
+ const AVIOInterruptCB *int_cb, AVDictionary **options)
{
URLContext *h;
int err;
- err = ffurl_open(&h, filename, flags);
+ err = ffurl_open(&h, filename, flags, int_cb, options);
if (err < 0)
return err;
err = ffio_fdopen(s, h);
diff --git a/libavformat/cache.c b/libavformat/cache.c
index 74f008e0d1..c2bddf5f6d 100644
--- a/libavformat/cache.c
+++ b/libavformat/cache.c
@@ -72,7 +72,7 @@ static int cache_open(URLContext *h, const char *arg, int flags)
unlink(buffername);
av_free(buffername);
- return ffurl_open(&c->inner, arg, flags);
+ return ffurl_open(&c->inner, arg, flags, &h->interrupt_callback, NULL);
}
static int cache_read(URLContext *h, unsigned char *buf, int size)
diff --git a/libavformat/concat.c b/libavformat/concat.c
index ba1b6a544a..81f37383b9 100644
--- a/libavformat/concat.c
+++ b/libavformat/concat.c
@@ -101,7 +101,8 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags)
uri += len + strspn(uri+len, AV_CAT_SEPARATOR);
/* creating URLContext */
- if ((err = ffurl_open(&uc, node_uri, flags)) < 0)
+ if ((err = ffurl_open(&uc, node_uri, flags,
+ &h->interrupt_callback, NULL)) < 0)
break;
/* creating size */
diff --git a/libavformat/crypto.c b/libavformat/crypto.c
index ea417470b6..7095360c85 100644
--- a/libavformat/crypto.c
+++ b/libavformat/crypto.c
@@ -82,7 +82,8 @@ static int crypto_open(URLContext *h, const char *uri, int flags)
ret = AVERROR(ENOSYS);
goto err;
}
- if ((ret = ffurl_open(&c->hd, nested_url, AVIO_FLAG_READ)) < 0) {
+ if ((ret = ffurl_open(&c->hd, nested_url, AVIO_FLAG_READ,
+ &h->interrupt_callback, NULL)) < 0) {
av_log(h, AV_LOG_ERROR, "Unable to open input\n");
goto err;
}
diff --git a/libavformat/gopher.c b/libavformat/gopher.c
index 9eeffaca28..6a829c8ce5 100644
--- a/libavformat/gopher.c
+++ b/libavformat/gopher.c
@@ -100,7 +100,8 @@ static int gopher_open(URLContext *h, const char *uri, int flags)
ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);
s->hd = NULL;
- err = ffurl_open(&s->hd, buf, AVIO_FLAG_READ_WRITE);
+ err = ffurl_open(&s->hd, buf, AVIO_FLAG_READ_WRITE,
+ &h->interrupt_callback, NULL);
if (err < 0)
goto fail;
diff --git a/libavformat/http.c b/libavformat/http.c
index 2e6eb1627d..ad4018085c 100644
--- a/libavformat/http.c
+++ b/libavformat/http.c
@@ -133,7 +133,8 @@ static int http_open_cnx(URLContext *h)
port = 80;
ff_url_join(buf, sizeof(buf), lower_proto, NULL, hostname, port, NULL);
- err = ffurl_open(&hd, buf, AVIO_FLAG_READ_WRITE);
+ err = ffurl_open(&hd, buf, AVIO_FLAG_READ_WRITE,
+ &h->interrupt_callback, NULL);
if (err < 0)
goto fail;
diff --git a/libavformat/img2.c b/libavformat/img2.c
index 444a6dfd7a..ff159ebf91 100644
--- a/libavformat/img2.c
+++ b/libavformat/img2.c
@@ -310,7 +310,8 @@ static int read_packet(AVFormatContext *s1, AVPacket *pkt)
s->path, s->img_number)<0 && s->img_number > 1)
return AVERROR(EIO);
for(i=0; i<3; i++){
- if (avio_open(&f[i], filename, AVIO_FLAG_READ) < 0) {
+ if (avio_open2(&f[i], filename, AVIO_FLAG_READ,
+ &s1->interrupt_callback, NULL) < 0) {
if(i==1)
break;
av_log(s1, AV_LOG_ERROR, "Could not open file : %s\n",filename);
@@ -397,7 +398,8 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
return AVERROR(EINVAL);
}
for(i=0; i<3; i++){
- if (avio_open(&pb[i], filename, AVIO_FLAG_WRITE) < 0) {
+ if (avio_open2(&pb[i], filename, AVIO_FLAG_WRITE,
+ &s->interrupt_callback, NULL) < 0) {
av_log(s, AV_LOG_ERROR, "Could not open file : %s\n",filename);
return AVERROR(EIO);
}
diff --git a/libavformat/md5proto.c b/libavformat/md5proto.c
index 3f099da440..4e041b020f 100644
--- a/libavformat/md5proto.c
+++ b/libavformat/md5proto.c
@@ -65,7 +65,8 @@ static int md5_close(URLContext *h)
av_strstart(filename, "md5:", &filename);
if (*filename) {
- err = ffurl_open(&out, filename, AVIO_FLAG_WRITE);
+ err = ffurl_open(&out, filename, AVIO_FLAG_WRITE,
+ &h->interrupt_callback, NULL);
if (err)
return err;
err = ffurl_write(out, buf, i*2+1);
diff --git a/libavformat/mmsh.c b/libavformat/mmsh.c
index c710ad9ccc..47cfea020b 100644
--- a/libavformat/mmsh.c
+++ b/libavformat/mmsh.c
@@ -234,7 +234,8 @@ static int mmsh_open_internal(URLContext *h, const char *uri, int flags, int tim
port = 80; // default mmsh protocol port
ff_url_join(httpname, sizeof(httpname), "http", NULL, host, port, "%s", path);
- if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ) < 0) {
+ if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ,
+ &h->interrupt_callback) < 0) {
return AVERROR(EIO);
}
@@ -249,7 +250,7 @@ static int mmsh_open_internal(URLContext *h, const char *uri, int flags, int tim
host, port, mmsh->request_seq++);
av_opt_set(mms->mms_hd->priv_data, "headers", headers, 0);
- err = ffurl_connect(mms->mms_hd);
+ err = ffurl_connect(mms->mms_hd, NULL);
if (err) {
goto fail;
}
@@ -262,7 +263,8 @@ static int mmsh_open_internal(URLContext *h, const char *uri, int flags, int tim
// close the socket and then reopen it for sending the second play request.
ffurl_close(mms->mms_hd);
memset(headers, 0, sizeof(headers));
- if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ) < 0) {
+ if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ,
+ &h->interrupt_callback) < 0) {
return AVERROR(EIO);
}
stream_selection = av_mallocz(mms->stream_num * 19 + 1);
@@ -296,7 +298,7 @@ static int mmsh_open_internal(URLContext *h, const char *uri, int flags, int tim
av_dlog(NULL, "out_buffer is %s", headers);
av_opt_set(mms->mms_hd->priv_data, "headers", headers, 0);
- err = ffurl_connect(mms->mms_hd);
+ err = ffurl_connect(mms->mms_hd, NULL);
if (err) {
goto fail;
}
diff --git a/libavformat/mmst.c b/libavformat/mmst.c
index a3db288b35..0a728eb35f 100644
--- a/libavformat/mmst.c
+++ b/libavformat/mmst.c
@@ -523,7 +523,8 @@ static int mms_open(URLContext *h, const char *uri, int flags)
// establish tcp connection.
ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, mmst->host, port, NULL);
- err = ffurl_open(&mms->mms_hd, tcpname, AVIO_FLAG_READ_WRITE);
+ err = ffurl_open(&mms->mms_hd, tcpname, AVIO_FLAG_READ_WRITE,
+ &h->interrupt_callback, NULL);
if (err)
goto fail;
diff --git a/libavformat/mov.c b/libavformat/mov.c
index c107f11f51..51dd3eb498 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1837,7 +1837,8 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
}
}
-static int mov_open_dref(AVIOContext **pb, const char *src, MOVDref *ref)
+static int mov_open_dref(AVIOContext **pb, const char *src, MOVDref *ref,
+ AVIOInterruptCB *int_cb)
{
/* try relative path, we do not try the absolute because it can leak information about our
system to an attacker */
@@ -1872,7 +1873,7 @@ static int mov_open_dref(AVIOContext **pb, const char *src, MOVDref *ref)
av_strlcat(filename, ref->path + l + 1, 1024);
- if (!avio_open(pb, filename, AVIO_FLAG_READ))
+ if (!avio_open2(pb, filename, AVIO_FLAG_READ, int_cb, NULL))
return 0;
}
}
@@ -1927,7 +1928,7 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
if (sc->dref_id-1 < sc->drefs_count && sc->drefs[sc->dref_id-1].path) {
MOVDref *dref = &sc->drefs[sc->dref_id - 1];
- if (mov_open_dref(&sc->pb, c->fc->filename, dref) < 0)
+ if (mov_open_dref(&sc->pb, c->fc->filename, dref, &c->fc->interrupt_callback) < 0)
av_log(c->fc, AV_LOG_ERROR,
"stream %d, error opening alias: path='%s', dir='%s', "
"filename='%s', volume='%s', nlvl_from=%d, nlvl_to=%d\n",
diff --git a/libavformat/options.c b/libavformat/options.c
index 64bc7a8996..4afb8b52bc 100644
--- a/libavformat/options.c
+++ b/libavformat/options.c
@@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
+#include "avio_internal.h"
#include "libavutil/opt.h"
/**
@@ -40,6 +41,10 @@ static void *format_child_next(void *obj, void *prev)
((s->iformat && s->iformat->priv_class) ||
s->oformat && s->oformat->priv_class))
return s->priv_data;
+#if !FF_API_OLD_AVIO
+ if (s->pb && s->pb->av_class && prev != s->pb)
+ return s->pb;
+#endif
return NULL;
}
@@ -49,19 +54,29 @@ static const AVClass *format_child_class_next(const AVClass *prev)
AVOutputFormat *ofmt = NULL;
while (prev && (ifmt = av_iformat_next(ifmt)))
- if (ifmt->priv_class == prev)
+ if (ifmt->priv_class == prev){
+ prev = NULL;
break;
- if ((prev && ifmt) || (!prev))
+ }
+ if (!prev)
while (ifmt = av_iformat_next(ifmt))
if (ifmt->priv_class)
return ifmt->priv_class;
while (prev && (ofmt = av_oformat_next(ofmt)))
- if (ofmt->priv_class == prev)
+ if (ofmt->priv_class == prev){
+ prev = NULL;
break;
- while (ofmt = av_oformat_next(ofmt))
- if (ofmt->priv_class)
- return ofmt->priv_class;
+ }
+ if (!prev)
+ while (ofmt = av_oformat_next(ofmt))
+ if (ofmt->priv_class)
+ return ofmt->priv_class;
+
+#if !FF_API_OLD_AVIO
+ if (prev != &ffio_url_class)
+ return &ffio_url_class;
+#endif
return NULL;
}
diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c
index ed483cf37f..e73158f12c 100644
--- a/libavformat/rtmpproto.c
+++ b/libavformat/rtmpproto.c
@@ -817,7 +817,8 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)
port = RTMP_DEFAULT_PORT;
ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);
- if (ffurl_open(&rt->stream, buf, AVIO_FLAG_READ_WRITE) < 0) {
+ if (ffurl_open(&rt->stream, buf, AVIO_FLAG_READ_WRITE,
+ &s->interrupt_callback, NULL) < 0) {
av_log(s , AV_LOG_ERROR, "Cannot open connection %s\n", buf);
goto fail;
}
diff --git a/libavformat/rtpenc_chain.c b/libavformat/rtpenc_chain.c
index f4590faa08..8a5adf54ed 100644
--- a/libavformat/rtpenc_chain.c
+++ b/libavformat/rtpenc_chain.c
@@ -47,6 +47,8 @@ AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
av_free(rtpctx);
return NULL;
}
+ /* Pass the interrupt callback on */
+ rtpctx->interrupt_callback = s->interrupt_callback;
/* Copy the max delay setting; the rtp muxer reads this. */
rtpctx->max_delay = s->max_delay;
/* Copy other stream parameters. */
diff --git a/libavformat/rtpproto.c b/libavformat/rtpproto.c
index 4f4cde621c..41fb7317bb 100644
--- a/libavformat/rtpproto.c
+++ b/libavformat/rtpproto.c
@@ -189,7 +189,7 @@ static int rtp_open(URLContext *h, const char *uri, int flags)
build_udp_url(buf, sizeof(buf),
hostname, rtp_port, local_rtp_port, ttl, max_packet_size,
connect);
- if (ffurl_open(&s->rtp_hd, buf, flags) < 0)
+ if (ffurl_open(&s->rtp_hd, buf, flags, &h->interrupt_callback, NULL) < 0)
goto fail;
if (local_rtp_port>=0 && local_rtcp_port<0)
local_rtcp_port = ff_udp_get_local_port(s->rtp_hd) + 1;
@@ -197,7 +197,7 @@ static int rtp_open(URLContext *h, const char *uri, int flags)
build_udp_url(buf, sizeof(buf),
hostname, rtcp_port, local_rtcp_port, ttl, max_packet_size,
connect);
- if (ffurl_open(&s->rtcp_hd, buf, flags) < 0)
+ if (ffurl_open(&s->rtcp_hd, buf, flags, &h->interrupt_callback, NULL) < 0)
goto fail;
/* just to ease handle access. XXX: need to suppress direct handle
@@ -227,7 +227,7 @@ static int rtp_read(URLContext *h, uint8_t *buf, int size)
struct pollfd p[2] = {{s->rtp_fd, POLLIN, 0}, {s->rtcp_fd, POLLIN, 0}};
for(;;) {
- if (url_interrupt_cb())
+ if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
/* build fdset to listen to RTP and RTCP packets */
n = poll(p, 2, 100);
diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 68083ae2ac..18ec8a5edc 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -1159,7 +1159,8 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
"?localport=%d", j);
/* we will use two ports per rtp stream (rtp and rtcp) */
j += 2;
- if (ffurl_open(&rtsp_st->rtp_handle, buf, AVIO_FLAG_READ_WRITE) == 0)
+ if (ffurl_open(&rtsp_st->rtp_handle, buf, AVIO_FLAG_READ_WRITE,
+ &s->interrupt_callback, NULL) == 0)
goto rtp_opened;
}
}
@@ -1306,7 +1307,8 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
ff_url_join(url, sizeof(url), "rtp", NULL, namebuf,
port, "?ttl=%d", ttl);
- if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE) < 0) {
+ if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE,
+ &s->interrupt_callback, NULL) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
@@ -1450,7 +1452,8 @@ redirect:
av_get_random_seed(), av_get_random_seed());
/* GET requests */
- if (ffurl_alloc(&rt->rtsp_hd, httpname, AVIO_FLAG_READ) < 0) {
+ if (ffurl_alloc(&rt->rtsp_hd, httpname, AVIO_FLAG_READ,
+ &s->interrupt_callback) < 0) {
err = AVERROR(EIO);
goto fail;
}
@@ -1465,13 +1468,14 @@ redirect:
av_opt_set(rt->rtsp_hd->priv_data, "headers", headers, 0);
/* complete the connection */
- if (ffurl_connect(rt->rtsp_hd)) {
+ if (ffurl_connect(rt->rtsp_hd, NULL)) {
err = AVERROR(EIO);
goto fail;
}
/* POST requests */
- if (ffurl_alloc(&rt->rtsp_hd_out, httpname, AVIO_FLAG_WRITE) < 0 ) {
+ if (ffurl_alloc(&rt->rtsp_hd_out, httpname, AVIO_FLAG_WRITE,
+ &s->interrupt_callback) < 0 ) {
err = AVERROR(EIO);
goto fail;
}
@@ -1507,14 +1511,15 @@ redirect:
ff_http_init_auth_state(rt->rtsp_hd_out, rt->rtsp_hd);
/* complete the connection */
- if (ffurl_connect(rt->rtsp_hd_out)) {
+ if (ffurl_connect(rt->rtsp_hd_out, NULL)) {
err = AVERROR(EIO);
goto fail;
}
} else {
/* open the tcp connection */
ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, host, port, NULL);
- if (ffurl_open(&rt->rtsp_hd, tcpname, AVIO_FLAG_READ_WRITE) < 0) {
+ if (ffurl_open(&rt->rtsp_hd, tcpname, AVIO_FLAG_READ_WRITE,
+ &s->interrupt_callback, NULL) < 0) {
err = AVERROR(EIO);
goto fail;
}
@@ -1619,7 +1624,7 @@ static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
struct pollfd *p = rt->p;
for (;;) {
- if (url_interrupt_cb())
+ if (ff_check_interrupt(&s->interrupt_callback))
return AVERROR_EXIT;
if (wait_end && wait_end - av_gettime() < 0)
return AVERROR(EAGAIN);
@@ -1862,7 +1867,8 @@ static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)
"?localport=%d&ttl=%d&connect=%d", rtsp_st->sdp_port,
rtsp_st->sdp_ttl,
rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0);
- if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE) < 0) {
+ if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE,
+ &s->interrupt_callback, NULL) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
@@ -1926,7 +1932,8 @@ static int rtp_read_header(AVFormatContext *s,
if (!ff_network_init())
return AVERROR(EIO);
- ret = ffurl_open(&in, s->filename, AVIO_FLAG_READ);
+ ret = ffurl_open(&in, s->filename, AVIO_FLAG_READ,
+ &s->interrupt_callback, NULL);
if (ret)
goto fail;
diff --git a/libavformat/sapdec.c b/libavformat/sapdec.c
index 68e3c5c095..00e34b7387 100644
--- a/libavformat/sapdec.c
+++ b/libavformat/sapdec.c
@@ -85,7 +85,8 @@ static int sap_read_header(AVFormatContext *s,
ff_url_join(url, sizeof(url), "udp", NULL, host, port, "?localport=%d",
port);
- ret = ffurl_open(&sap->ann_fd, url, AVIO_FLAG_READ);
+ ret = ffurl_open(&sap->ann_fd, url, AVIO_FLAG_READ,
+ &s->interrupt_callback, NULL);
if (ret)
goto fail;
@@ -157,6 +158,7 @@ static int sap_read_header(AVFormatContext *s,
}
sap->sdp_ctx->max_delay = s->max_delay;
sap->sdp_ctx->pb = &sap->sdp_pb;
+ sap->sdp_ctx->interrupt_callback = s->interrupt_callback;
ret = avformat_open_input(&sap->sdp_ctx, "temp.sdp", infmt, NULL);
if (ret < 0)
goto fail;
diff --git a/libavformat/sapenc.c b/libavformat/sapenc.c
index b84cce50a4..0f2b4b51f0 100644
--- a/libavformat/sapenc.c
+++ b/libavformat/sapenc.c
@@ -146,7 +146,7 @@ static int sap_write_header(AVFormatContext *s)
"?ttl=%d", ttl);
if (!same_port)
base_port += 2;
- ret = ffurl_open(&fd, url, AVIO_FLAG_WRITE);
+ ret = ffurl_open(&fd, url, AVIO_FLAG_WRITE, &s->interrupt_callback, NULL);
if (ret) {
ret = AVERROR(EIO);
goto fail;
@@ -158,7 +158,8 @@ static int sap_write_header(AVFormatContext *s)
ff_url_join(url, sizeof(url), "udp", NULL, announce_addr, port,
"?ttl=%d&connect=1", ttl);
- ret = ffurl_open(&sap->ann_fd, url, AVIO_FLAG_WRITE);
+ ret = ffurl_open(&sap->ann_fd, url, AVIO_FLAG_WRITE,
+ &s->interrupt_callback, NULL);
if (ret) {
ret = AVERROR(EIO);
goto fail;
diff --git a/libavformat/tcp.c b/libavformat/tcp.c
index eb982d5675..f882fc0dee 100644
--- a/libavformat/tcp.c
+++ b/libavformat/tcp.c
@@ -100,7 +100,7 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
struct pollfd p = {fd, POLLOUT, 0};
ret = ff_neterrno();
if (ret == AVERROR(EINTR)) {
- if (url_interrupt_cb()) {
+ if (ff_check_interrupt(&h->interrupt_callback)) {
ret = AVERROR_EXIT;
goto fail1;
}
@@ -112,7 +112,7 @@ static int tcp_open(URLContext *h, const char *uri, int flags)
/* wait until we are connected or until abort */
while(timeout--) {
- if (url_interrupt_cb()) {
+ if (ff_check_interrupt(&h->interrupt_callback)) {
ret = AVERROR_EXIT;
goto fail1;
}
diff --git a/libavformat/tls.c b/libavformat/tls.c
index 8211e88846..33ee782fa8 100644
--- a/libavformat/tls.c
+++ b/libavformat/tls.c
@@ -97,7 +97,7 @@ static int do_tls_poll(URLContext *h, int ret)
int n = poll(&p, 1, 100);
if (n > 0)
break;
- if (url_interrupt_cb())
+ if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR(EINTR);
}
return 0;
@@ -123,7 +123,8 @@ static int tls_open(URLContext *h, const char *uri, int flags)
freeaddrinfo(ai);
}
- ret = ffurl_open(&c->tcp, buf, AVIO_FLAG_READ_WRITE);
+ ret = ffurl_open(&c->tcp, buf, AVIO_FLAG_READ_WRITE,
+ &h->interrupt_callback, NULL);
if (ret)
goto fail;
c->fd = ffurl_get_file_handle(c->tcp);
diff --git a/libavformat/url.h b/libavformat/url.h
index 103f7b6c00..dbcf470d69 100644
--- a/libavformat/url.h
+++ b/libavformat/url.h
@@ -28,11 +28,16 @@
#include "avio.h"
#include "libavformat/version.h"
+#include "libavutil/dict.h"
+#include "libavutil/log.h"
+
#if !FF_API_OLD_AVIO
#define URL_PROTOCOL_FLAG_NESTED_SCHEME 1 /*< The protocol name can be the first part of a nested protocol scheme */
extern int (*url_interrupt_cb)(void);
+extern const AVClass ffurl_context_class;
+
typedef struct URLContext {
const AVClass *av_class; /**< information for av_log(). Set by url_open(). */
struct URLProtocol *prot;
@@ -42,11 +47,18 @@ typedef struct URLContext {
int max_packet_size; /**< if non zero, the stream is packetized with this max packet size */
int is_streamed; /**< true if streamed (no seek possible), default = false */
int is_connected;
+ AVIOInterruptCB interrupt_callback;
} URLContext;
typedef struct URLProtocol {
const char *name;
int (*url_open)( URLContext *h, const char *url, int flags);
+ /**
+ * This callback is to be used by protocols which open further nested
+ * protocols. options are then to be passed to ffurl_open()/ffurl_connect()
+ * for those nested protocols.
+ */
+ int (*url_open2)(URLContext *h, const char *url, int flags, AVDictionary **options);
int (*url_read)( URLContext *h, unsigned char *buf, int size);
int (*url_write)(URLContext *h, const unsigned char *buf, int size);
int64_t (*url_seek)( URLContext *h, int64_t pos, int whence);
@@ -71,15 +83,23 @@ typedef struct URLProtocol {
* function puts the pointer to the created URLContext
* @param flags flags which control how the resource indicated by url
* is to be opened
+ * @param int_cb interrupt callback to use for the URLContext, may be
+ * NULL
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code in case of failure
*/
-int ffurl_alloc(URLContext **puc, const char *filename, int flags);
+int ffurl_alloc(URLContext **puc, const char *filename, int flags,
+ const AVIOInterruptCB *int_cb);
/**
* Connect an URLContext that has been allocated by ffurl_alloc
+ *
+ * @param options A dictionary filled with options for nested protocols,
+ * i.e. it will be passed to url_open2() for protocols implementing it.
+ * This parameter will be destroyed and replaced with a dict containing options
+ * that were not found. May be NULL.
*/
-int ffurl_connect(URLContext *uc);
+int ffurl_connect(URLContext *uc, AVDictionary **options);
/**
* Create an URLContext for accessing to the resource indicated by
@@ -89,10 +109,16 @@ int ffurl_connect(URLContext *uc);
* function puts the pointer to the created URLContext
* @param flags flags which control how the resource indicated by url
* is to be opened
+ * @param int_cb interrupt callback to use for the URLContext, may be
+ * NULL
+ * @param options A dictionary filled with protocol-private options. On return
+ * this parameter will be destroyed and replaced with a dict containing options
+ * that were not found. May be NULL.
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code in case of failure
*/
-int ffurl_open(URLContext **puc, const char *filename, int flags);
+int ffurl_open(URLContext **puc, const char *filename, int flags,
+ const AVIOInterruptCB *int_cb, AVDictionary **options);
/**
* Read up to size bytes from the resource accessed by h, and store
@@ -169,6 +195,19 @@ int ffurl_get_file_handle(URLContext *h);
*/
int ffurl_register_protocol(URLProtocol *protocol, int size);
+/**
+ * Check if the user has requested to interrup a blocking function
+ * associated with cb.
+ */
+int ff_check_interrupt(AVIOInterruptCB *cb);
+
+/**
+ * Iterate over all available protocols.
+ *
+ * @param prev result of the previous call to this functions or NULL.
+ */
+URLProtocol *ffurl_protocol_next(URLProtocol *prev);
+
/* udp.c */
int ff_udp_set_remote_url(URLContext *h, const char *uri);
int ff_udp_get_local_port(URLContext *h);
diff --git a/libavformat/utils.c b/libavformat/utils.c
index c7916dc407..93a48418bc 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -602,7 +602,7 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
#endif
/* open input file and probe the format if necessary */
-static int init_input(AVFormatContext *s, const char *filename)
+static int init_input(AVFormatContext *s, const char *filename, AVDictionary **options)
{
int ret;
AVProbeData pd = {filename, NULL, 0};
@@ -624,7 +624,8 @@ static int init_input(AVFormatContext *s, const char *filename)
(!s->iformat && (s->iformat = av_probe_input_format(&pd, 0))))
return 0;
- if ((ret = avio_open(&s->pb, filename, AVIO_FLAG_READ)) < 0)
+ if ((ret = avio_open2(&s->pb, filename, AVIO_FLAG_READ,
+ &s->interrupt_callback, options)) < 0)
return ret;
if (s->iformat)
return 0;
@@ -649,7 +650,7 @@ int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputForma
if ((ret = av_opt_set_dict(s, &tmp)) < 0)
goto fail;
- if ((ret = init_input(s, filename)) < 0)
+ if ((ret = init_input(s, filename, &tmp)) < 0)
goto fail;
/* check filename in case an image number is expected */
@@ -2396,7 +2397,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
count = 0;
read_size = 0;
for(;;) {
- if(url_interrupt_cb()){
+ if (ff_check_interrupt(&ic->interrupt_callback)){
ret= AVERROR_EXIT;
av_log(ic, AV_LOG_DEBUG, "interrupted\n");
break;
diff --git a/libswscale/x86/scale.asm b/libswscale/x86/scale.asm
index 5f831aaebf..e8a5e5cd7c 100644
--- a/libswscale/x86/scale.asm
+++ b/libswscale/x86/scale.asm
@@ -720,6 +720,8 @@ yuv2planeX_fn avx, 10, 7, 5
%macro yuv2plane1_fn 3
cglobal yuv2plane1_%1, %3, %3, %2
+ add r2, mmsize - 1
+ and r2, ~(mmsize - 1)
%if %1 == 8
add r1, r2
%else ; %1 != 8