@@ -3750,7 +3750,7 @@ static void opt_output_file(const char *filename)

         }

         /* open the file */

-        if ((err = avio_open(&oc->pb, filename, URL_WRONLY)) < 0) {

+        if ((err = avio_open(&oc->pb, filename, AVIO_WRONLY)) < 0) {

             print_error(filename, err);

             ffmpeg_exit(1);

         }

@@ -3427,7 +3427,7 @@ static int rtp_new_av_stream(HTTPContext *c,

                      "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));

         }

-        if (url_open(&h, ctx->filename, URL_WRONLY) < 0)

+        if (url_open(&h, ctx->filename, AVIO_WRONLY) < 0)

             goto fail;

         c->rtp_handles[stream_index] = h;

         max_packet_size = url_get_max_packet_size(h);

@@ -3767,7 +3767,7 @@ static void build_feed_streams(void)

             }

             /* only write the header of the ffm file */

-            if (avio_open(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {

+            if (avio_open(&s->pb, feed->feed_filename, AVIO_WRONLY) < 0) {

                 http_log("Could not open output feed file '%s'\n",

                          feed->feed_filename);

                 exit(1);

@@ -169,7 +169,7 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,

     if (!in) {

         close_in = 1;

-        if ((ret = avio_open(&in, url, URL_RDONLY)) < 0)

+        if ((ret = avio_open(&in, url, AVIO_RDONLY)) < 0)

             return ret;

     }

@@ -292,7 +292,7 @@ reload:

         ret = url_open(&v->input,

                        v->segments[v->cur_seq_no - v->start_seq_no]->url,

-                       URL_RDONLY);

+                       AVIO_RDONLY);

         if (ret < 0)

             return ret;

     }

@@ -115,7 +115,7 @@ static int parse_playlist(URLContext *h, const char *url)

     char line[1024];

     const char *ptr;

-    if ((ret = avio_open(&in, url, URL_RDONLY)) < 0)

+    if ((ret = avio_open(&in, url, AVIO_RDONLY)) < 0)

         return ret;

     read_chomp_line(in, line, sizeof(line));

@@ -180,7 +180,7 @@ static int applehttp_open(URLContext *h, const char *uri, int flags)

     int ret, i;

     const char *nested_url;

-    if (flags & (URL_WRONLY | URL_RDWR))

+    if (flags & (AVIO_WRONLY | AVIO_RDWR))

         return AVERROR(ENOSYS);

     s = av_mallocz(sizeof(AppleHTTPContext));

@@ -275,7 +275,7 @@ retry:

     }

     url = s->segments[s->cur_seq_no - s->start_seq_no]->url,

     av_log(NULL, AV_LOG_DEBUG, "opening %s\n", url);

-    ret = ffurl_open(&s->seg_hd, url, URL_RDONLY);

+    ret = ffurl_open(&s->seg_hd, url, AVIO_RDONLY);

     if (ret < 0) {

         if (url_interrupt_cb())

             return AVERROR_EXIT;

@@ -144,7 +144,7 @@ int ffurl_connect(URLContext* uc)

         return err;

     uc->is_connected = 1;

     //We must be careful here as ffurl_seek() could be slow, for example for http

-    if(   (uc->flags & (URL_WRONLY | URL_RDWR))

+    if(   (uc->flags & (AVIO_WRONLY | AVIO_RDWR))

        || !strcmp(uc->prot->name, "file"))

         if(!uc->is_streamed && ffurl_seek(uc, 0, SEEK_SET) < 0)

             uc->is_streamed= 1;

@@ -275,7 +275,7 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int

         ret = transfer_func(h, buf+len, size-len);

         if (ret == AVERROR(EINTR))

             continue;

-        if (h->flags & URL_FLAG_NONBLOCK)

+        if (h->flags & AVIO_FLAG_NONBLOCK)

             return ret;

         if (ret == AVERROR(EAGAIN)) {

             ret = 0;

@@ -296,21 +296,21 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int

 int ffurl_read(URLContext *h, unsigned char *buf, int size)

 {

-    if (h->flags & URL_WRONLY)

+    if (h->flags & AVIO_WRONLY)

         return AVERROR(EIO);

     return retry_transfer_wrapper(h, buf, size, 1, h->prot->url_read);

 }

 int ffurl_read_complete(URLContext *h, unsigned char *buf, int size)

 {

-    if (h->flags & URL_WRONLY)

+    if (h->flags & AVIO_WRONLY)

         return AVERROR(EIO);

     return retry_transfer_wrapper(h, buf, size, size, h->prot->url_read);

 }

 int ffurl_write(URLContext *h, const unsigned char *buf, int size)

 {

-    if (!(h->flags & (URL_WRONLY | URL_RDWR)))

+    if (!(h->flags & (AVIO_WRONLY | AVIO_RDWR)))

         return AVERROR(EIO);

     /* avoid sending too big packets */

     if (h->max_packet_size && size > h->max_packet_size)

@@ -348,7 +348,7 @@ int ffurl_close(URLContext *h)

 int url_exist(const char *filename)

 {

     URLContext *h;

-    if (ffurl_open(&h, filename, URL_RDONLY) < 0)

+    if (ffurl_open(&h, filename, AVIO_RDONLY) < 0)

         return 0;

     ffurl_close(h);

     return 1;

@@ -63,7 +63,6 @@ typedef struct URLPollEntry {

     int events;

     int revents;

 } URLPollEntry;

-#endif

 /**

  * @defgroup open_modes URL open modes

@@ -91,6 +90,7 @@ typedef struct URLPollEntry {

  * silently ignored.

  */

 #define URL_FLAG_NONBLOCK 4

+#endif

 typedef int URLInterruptCB(void);

@@ -512,6 +512,33 @@ int url_resetbuf(AVIOContext *s, int flags);

 #endif

 /**

+ * @defgroup open_modes URL open modes

+ * The flags argument to avio_open must be one of the following

+ * constants, optionally ORed with other flags.

+ * @{

+ */

+#define AVIO_RDONLY 0  /**< read-only */

+#define AVIO_WRONLY 1  /**< write-only */

+#define AVIO_RDWR   2  /**< read-write */

+/**

+ * @}

+ */

+

+/**

+ * Use non-blocking mode.

+ * If this flag is set, operations on the context will return

+ * AVERROR(EAGAIN) if they can not be performed immediately.

+ * If this flag is not set, operations on the context will never return

+ * AVERROR(EAGAIN).

+ * Note that this flag does not affect the opening/connecting of the

+ * context. Connecting a protocol will always block if necessary (e.g. on

+ * network protocols) but never hang (e.g. on busy devices).

+ * Warning: non-blocking protocols is work-in-progress; this flag may be

+ * silently ignored.

+ */

+#define AVIO_FLAG_NONBLOCK 4

+

+/**

  * Create and initialize a AVIOContext for accessing the

  * resource indicated by url.

  * @note When the resource indicated by url has been opened in

@@ -55,7 +55,7 @@ int ffio_init_context(AVIOContext *s,

     s->buffer_size = buffer_size;

     s->buf_ptr = buffer;

     s->opaque = opaque;

-    url_resetbuf(s, write_flag ? URL_WRONLY : URL_RDONLY);

+    url_resetbuf(s, write_flag ? AVIO_WRONLY : AVIO_RDONLY);

     s->write_packet = write_packet;

     s->read_packet = read_packet;

     s->seek = seek;

@@ -845,7 +845,7 @@ int ffio_fdopen(AVIOContext **s, URLContext *h)

     }

     if (ffio_init_context(*s, buffer, buffer_size,

-                      (h->flags & URL_WRONLY || h->flags & URL_RDWR), h,

+                      (h->flags & AVIO_WRONLY || h->flags & AVIO_RDWR), h,

                       ffurl_read, ffurl_write, ffurl_seek) < 0) {

         av_free(buffer);

         av_freep(s);

@@ -874,7 +874,7 @@ int ffio_set_buf_size(AVIOContext *s, int buf_size)

     s->buffer = buffer;

     s->buffer_size = buf_size;

     s->buf_ptr = buffer;

-    url_resetbuf(s, s->write_flag ? URL_WRONLY : URL_RDONLY);

+    url_resetbuf(s, s->write_flag ? AVIO_WRONLY : AVIO_RDONLY);

     return 0;

 }

@@ -885,13 +885,13 @@ static int url_resetbuf(AVIOContext *s, int flags)

 #endif

 {

 #if FF_API_URL_RESETBUF

-    if (flags & URL_RDWR)

+    if (flags & AVIO_RDWR)

         return AVERROR(EINVAL);

 #else

-    assert(flags == URL_WRONLY || flags == URL_RDONLY);

+    assert(flags == AVIO_WRONLY || flags == AVIO_RDONLY);

 #endif

-    if (flags & URL_WRONLY) {

+    if (flags & AVIO_WRONLY) {

         s->buf_end = s->buffer + s->buffer_size;

         s->write_flag = 1;

     } else {

@@ -1049,7 +1049,7 @@ int url_open_buf(AVIOContext **s, uint8_t *buf, int buf_size, int flags)

     if(!*s)

         return AVERROR(ENOMEM);

     ret = ffio_init_context(*s, buf, buf_size,

-                        (flags & URL_WRONLY || flags & URL_RDWR),

+                        (flags & AVIO_WRONLY || flags & AVIO_RDWR),

                         NULL, NULL, NULL, NULL);

     if(ret != 0)

         av_freep(s);

@@ -59,9 +59,9 @@ static int file_open(URLContext *h, const char *filename, int flags)

     av_strstart(filename, "file:", &filename);

-    if (flags & URL_RDWR) {

+    if (flags & AVIO_RDWR) {

         access = O_CREAT | O_TRUNC | O_RDWR;

-    } else if (flags & URL_WRONLY) {

+    } else if (flags & AVIO_WRONLY) {

         access = O_CREAT | O_TRUNC | O_WRONLY;

     } else {

         access = O_RDONLY;

@@ -116,7 +116,7 @@ static int pipe_open(URLContext *h, const char *filename, int flags)

     fd = strtol(filename, &final, 10);

     if((filename == final) || *final ) {/* No digits found, or something like 10ab */

-        if (flags & URL_WRONLY) {

+        if (flags & AVIO_WRONLY) {

             fd = 1;

         } else {

             fd = 0;

@@ -100,7 +100,7 @@ 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, URL_RDWR);

+    err = ffurl_open(&s->hd, buf, AVIO_RDWR);

     if (err < 0)

         goto fail;

@@ -124,7 +124,7 @@ static int http_open_cnx(URLContext *h)

         port = 80;

     ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);

-    err = ffurl_open(&hd, buf, URL_RDWR);

+    err = ffurl_open(&hd, buf, AVIO_RDWR);

     if (err < 0)

         goto fail;

@@ -296,7 +296,7 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr,

     /* send http header */

-    post = h->flags & URL_WRONLY;

+    post = h->flags & AVIO_WRONLY;

     authstr = ff_http_auth_create_response(&s->auth_state, auth, path,

                                         post ? "POST" : "GET");

@@ -451,7 +451,7 @@ static int http_close(URLContext *h)

     HTTPContext *s = h->priv_data;

     /* signal end of chunked encoding if used */

-    if ((h->flags & URL_WRONLY) && s->chunksize != -1) {

+    if ((h->flags & AVIO_WRONLY) && s->chunksize != -1) {

         ret = ffurl_write(s->hd, footer, sizeof(footer) - 1);

         ret = ret > 0 ? 0 : ret;

     }

@@ -270,7 +270,7 @@ 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, URL_RDONLY) < 0) {

+            if (avio_open(&f[i], filename, AVIO_RDONLY) < 0) {

                 if(i==1)

                     break;

                 av_log(s1, AV_LOG_ERROR, "Could not open file : %s\n",filename);

@@ -354,7 +354,7 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)

             return AVERROR(EIO);

         }

         for(i=0; i<3; i++){

-            if (avio_open(&pb[i], filename, URL_WRONLY) < 0) {

+            if (avio_open(&pb[i], filename, AVIO_WRONLY) < 0) {

                 av_log(s, AV_LOG_ERROR, "Could not open file : %s\n",filename);

                 return AVERROR(EIO);

             }

@@ -93,7 +93,7 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)

         goto fail;

     }

-    if (flags & URL_WRONLY)

+    if (flags & AVIO_WRONLY)

         RTMP_EnableWrite(r);

     if (!RTMP_Connect(r, NULL) || !RTMP_ConnectStream(r, 0)) {

@@ -1330,7 +1330,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)

                    && track->codec_priv.size >= 14

                    && track->codec_priv.data != NULL) {

             ffio_init_context(&b, track->codec_priv.data, track->codec_priv.size,

-                          URL_RDONLY, NULL, NULL, NULL, NULL);

+                          AVIO_RDONLY, NULL, NULL, NULL, NULL);

             ff_get_wav_header(&b, st->codec, track->codec_priv.size);

             codec_id = st->codec->codec_id;

             extradata_offset = FFMIN(track->codec_priv.size, 18);

@@ -36,7 +36,7 @@ static int md5_open(URLContext *h, const char *filename, int flags)

         return -1;

     }

-    if (flags != URL_WRONLY)

+    if (flags != AVIO_WRONLY)

         return AVERROR(EINVAL);

     av_md5_init(h->priv_data);

@@ -65,7 +65,7 @@ static int md5_close(URLContext *h)

     av_strstart(filename, "md5:", &filename);

     if (*filename) {

-        err = ffurl_open(&out, filename, URL_WRONLY);

+        err = ffurl_open(&out, filename, AVIO_WRONLY);

         if (err)

             return err;

         err = ffurl_write(out, buf, i*2+1);

@@ -233,7 +233,7 @@ static int mmsh_open(URLContext *h, const char *uri, int flags)

         port = 80; // default mmsh protocol port

     ff_url_join(httpname, sizeof(httpname), "http", NULL, host, port, path);

-    if (ffurl_alloc(&mms->mms_hd, httpname, URL_RDONLY) < 0) {

+    if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_RDONLY) < 0) {

         return AVERROR(EIO);

     }

@@ -261,7 +261,7 @@ static int mmsh_open(URLContext *h, const char *uri, int flags)

     // 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, URL_RDONLY) < 0) {

+    if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_RDONLY) < 0) {

         return AVERROR(EIO);

     }

     stream_selection = av_mallocz(mms->stream_num * 19 + 1);

@@ -523,7 +523,7 @@ 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, URL_RDWR);

+    err = ffurl_open(&mms->mms_hd, tcpname, AVIO_RDWR);

     if (err)

         goto fail;

@@ -1722,7 +1722,7 @@ static int mov_open_dref(AVIOContext **pb, char *src, MOVDref *ref)

             av_strlcat(filename, ref->path + l + 1, 1024);

-            if (!avio_open(pb, filename, URL_RDONLY))

+            if (!avio_open(pb, filename, AVIO_RDONLY))

                 return 0;

         }

     }

@@ -492,7 +492,7 @@ int main(int argc, char **argv)

     /* open the output file, if needed */

     if (!(fmt->flags & AVFMT_NOFILE)) {

-        if (avio_open(&oc->pb, filename, URL_WRONLY) < 0) {

+        if (avio_open(&oc->pb, filename, AVIO_WRONLY) < 0) {

             fprintf(stderr, "Could not open '%s'\n", filename);

             exit(1);

         }

@@ -812,7 +812,7 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)

     if (!rt)

         return AVERROR(ENOMEM);

     s->priv_data = rt;

-    rt->is_input = !(flags & URL_WRONLY);

+    rt->is_input = !(flags & AVIO_WRONLY);

     av_url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname), &port,

                  path, sizeof(path), s->filename);

@@ -821,7 +821,7 @@ 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, URL_RDWR) < 0) {

+    if (ffurl_open(&rt->stream, buf, AVIO_RDWR) < 0) {

         av_log(LOG_CONTEXT, AV_LOG_ERROR, "Cannot open connection %s\n", buf);

         goto fail;

     }

@@ -145,7 +145,7 @@ static int rtp_open(URLContext *h, const char *uri, int flags)

     char path[1024];

     const char *p;

-    is_output = (flags & URL_WRONLY);

+    is_output = (flags & AVIO_WRONLY);

     s = av_mallocz(sizeof(RTPContext));

     if (!s)

@@ -1116,14 +1116,14 @@ 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, URL_RDWR) == 0)

+                    if (ffurl_open(&rtsp_st->rtp_handle, buf, AVIO_RDWR) == 0)

                         goto rtp_opened;

                 }

             }

 #if 0

             /* then try on any port */

-            if (ffurl_open(&rtsp_st->rtp_handle, "rtp://", URL_RDONLY) < 0) {

+            if (ffurl_open(&rtsp_st->rtp_handle, "rtp://", AVIO_RDONLY) < 0) {

                 err = AVERROR_INVALIDDATA;

                 goto fail;

             }

@@ -1269,7 +1269,7 @@ 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, URL_RDWR) < 0) {

+            if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_RDWR) < 0) {

                 err = AVERROR_INVALIDDATA;

                 goto fail;

             }

@@ -1396,7 +1396,7 @@ redirect:

                  av_get_random_seed(), av_get_random_seed());

         /* GET requests */

-        if (ffurl_alloc(&rt->rtsp_hd, httpname, URL_RDONLY) < 0) {

+        if (ffurl_alloc(&rt->rtsp_hd, httpname, AVIO_RDONLY) < 0) {

             err = AVERROR(EIO);

             goto fail;

         }

@@ -1417,7 +1417,7 @@ redirect:

         }

         /* POST requests */

-        if (ffurl_alloc(&rt->rtsp_hd_out, httpname, URL_WRONLY) < 0 ) {

+        if (ffurl_alloc(&rt->rtsp_hd_out, httpname, AVIO_WRONLY) < 0 ) {

             err = AVERROR(EIO);

             goto fail;

         }

@@ -1460,7 +1460,7 @@ redirect:

     } else {

         /* open the tcp connection */

         ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, host, port, NULL);

-        if (ffurl_open(&rt->rtsp_hd, tcpname, URL_RDWR) < 0) {

+        if (ffurl_open(&rt->rtsp_hd, tcpname, AVIO_RDWR) < 0) {

             err = AVERROR(EIO);

             goto fail;

         }

@@ -1807,7 +1807,7 @@ static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)

                     namebuf, rtsp_st->sdp_port,

                     "?localport=%d&ttl=%d", rtsp_st->sdp_port,

                     rtsp_st->sdp_ttl);

-        if (ffurl_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) {

+        if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_RDWR) < 0) {

             err = AVERROR_INVALIDDATA;

             goto fail;

         }

@@ -1863,7 +1863,7 @@ static int rtp_read_header(AVFormatContext *s,

     if (!ff_network_init())

         return AVERROR(EIO);

-    ret = ffurl_open(&in, s->filename, URL_RDONLY);

+    ret = ffurl_open(&in, s->filename, AVIO_RDONLY);

     if (ret)

         goto fail;

@@ -85,7 +85,7 @@ 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, URL_RDONLY);

+    ret = ffurl_open(&sap->ann_fd, url, AVIO_RDONLY);

     if (ret)

         goto fail;

@@ -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, URL_WRONLY);

+        ret = ffurl_open(&fd, url, AVIO_WRONLY);

         if (ret) {

             ret = AVERROR(EIO);

             goto fail;

@@ -158,7 +158,7 @@ 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, URL_WRONLY);

+    ret = ffurl_open(&sap->ann_fd, url, AVIO_WRONLY);

     if (ret) {

         ret = AVERROR(EIO);

         goto fail;

@@ -156,7 +156,7 @@ static int tcp_read(URLContext *h, uint8_t *buf, int size)

     TCPContext *s = h->priv_data;

     int ret;

-    if (!(h->flags & URL_FLAG_NONBLOCK)) {

+    if (!(h->flags & AVIO_FLAG_NONBLOCK)) {

         ret = ff_network_wait_fd(s->fd, 0);

         if (ret < 0)

             return ret;

@@ -170,7 +170,7 @@ static int tcp_write(URLContext *h, const uint8_t *buf, int size)

     TCPContext *s = h->priv_data;

     int ret;

-    if (!(h->flags & URL_FLAG_NONBLOCK)) {

+    if (!(h->flags & AVIO_FLAG_NONBLOCK)) {

         ret = ff_network_wait_fd(s->fd, 1);

         if (ret < 0)

             return ret;

@@ -317,7 +317,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)

     h->is_streamed = 1;

     h->max_packet_size = 1472;

-    is_output = (flags & URL_WRONLY);

+    is_output = (flags & AVIO_WRONLY);

     s = av_mallocz(sizeof(UDPContext));

     if (!s)

@@ -360,14 +360,14 @@ static int udp_open(URLContext *h, const char *uri, int flags)

     /* XXX: fix av_url_split */

     if (hostname[0] == '\0' || hostname[0] == '?') {

         /* only accepts null hostname if input */

-        if (flags & URL_WRONLY)

+        if (flags & AVIO_WRONLY)

             goto fail;

     } else {

         if (ff_udp_set_remote_url(h, uri) < 0)

             goto fail;

     }

-    if (s->is_multicast && !(h->flags & URL_WRONLY))

+    if (s->is_multicast && !(h->flags & AVIO_WRONLY))

         s->local_port = port;

     udp_fd = udp_socket_create(s, &my_addr, &len);

     if (udp_fd < 0)

@@ -384,7 +384,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)

     /* the bind is needed to give a port to the socket now */

     /* if multicast, try the multicast address bind first */

-    if (s->is_multicast && !(h->flags & URL_WRONLY)) {

+    if (s->is_multicast && !(h->flags & AVIO_WRONLY)) {

         bind_ret = bind(udp_fd,(struct sockaddr *)&s->dest_addr, len);

     }

     /* bind to the local address if not multicast or if the multicast

@@ -397,7 +397,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)

     s->local_port = udp_port(&my_addr, len);

     if (s->is_multicast) {

-        if (h->flags & URL_WRONLY) {

+        if (h->flags & AVIO_WRONLY) {

             /* output */

             if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)

                 goto fail;

@@ -446,7 +446,7 @@ static int udp_read(URLContext *h, uint8_t *buf, int size)

     UDPContext *s = h->priv_data;

     int ret;

-    if (!(h->flags & URL_FLAG_NONBLOCK)) {

+    if (!(h->flags & AVIO_FLAG_NONBLOCK)) {

         ret = ff_network_wait_fd(s->udp_fd, 0);

         if (ret < 0)

             return ret;

@@ -460,7 +460,7 @@ static int udp_write(URLContext *h, const uint8_t *buf, int size)

     UDPContext *s = h->priv_data;

     int ret;

-    if (!(h->flags & URL_FLAG_NONBLOCK)) {

+    if (!(h->flags & AVIO_FLAG_NONBLOCK)) {

         ret = ff_network_wait_fd(s->udp_fd, 1);

         if (ret < 0)

             return ret;

@@ -480,7 +480,7 @@ static int udp_close(URLContext *h)

 {

     UDPContext *s = h->priv_data;

-    if (s->is_multicast && !(h->flags & URL_WRONLY))

+    if (s->is_multicast && !(h->flags & AVIO_WRONLY))

         udp_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);

     closesocket(s->udp_fd);

     av_free(s);

@@ -631,7 +631,7 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,

        hack needed to handle RTSP/TCP */

     if (!fmt || !(fmt->flags & AVFMT_NOFILE)) {

         /* if no file needed do not try to open one */

-        if ((err=avio_open(&pb, filename, URL_RDONLY)) < 0) {

+        if ((err=avio_open(&pb, filename, AVIO_RDONLY)) < 0) {

             goto fail;

         }

         if (buf_size > 0) {