pcmdec: use unique classes for all pcm demuxers.

[ffmpeg] / libavformat / sapdec.c

diff --git a/libavformat/sapdec.c b/libavformat/sapdec.c
index 701eae2ea4fd98dadb7654dacbaebed98b91c537..c3178217720f37203491c60e794a18577b40fa83 100644 (file)
--- a/libavformat/sapdec.c
+++ b/libavformat/sapdec.c
@@ -2,20 +2,20 @@
  * Session Announcement Protocol (RFC 2974) demuxer
  * Copyright (c) 2010 Martin Storsjo
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -25,15 +25,17 @@
 #include "network.h"
 #include "os_support.h"
 #include "internal.h"
-#if HAVE_SYS_SELECT_H
-#include <sys/select.h>
+#include "avio_internal.h"
+#include "url.h"
+#if HAVE_POLL_H
+#include <poll.h>
 #endif
 #include <sys/time.h>
 
 struct SAPState {
     URLContext *ann_fd;
     AVFormatContext *sdp_ctx;
-    ByteIOContext sdp_pb;
+    AVIOContext sdp_pb;
     uint16_t hash;
     char *sdp;
     int eof;
@@ -50,9 +52,9 @@ static int sap_read_close(AVFormatContext *s)
 {
     struct SAPState *sap = s->priv_data;
     if (sap->sdp_ctx)
-        av_close_input_stream(sap->sdp_ctx);
+        av_close_input_file(sap->sdp_ctx);
     if (sap->ann_fd)
-        url_close(sap->ann_fd);
+        ffurl_close(sap->ann_fd);
     av_freep(&sap->sdp);
     ff_network_close();
     return 0;
@@ -83,7 +85,7 @@ static int sap_read_header(AVFormatContext *s,
 
     ff_url_join(url, sizeof(url), "udp", NULL, host, port, "?localport=%d",
                 port);
-    ret = url_open(&sap->ann_fd, url, URL_RDONLY);
+    ret = ffurl_open(&sap->ann_fd, url, AVIO_FLAG_READ);
     if (ret)
         goto fail;
 
@@ -91,7 +93,7 @@ static int sap_read_header(AVFormatContext *s,
         int addr_type, auth_len;
         int pos;
 
-        ret = url_read(sap->ann_fd, recvbuf, sizeof(recvbuf) - 1);
+        ret = ffurl_read(sap->ann_fd, recvbuf, sizeof(recvbuf) - 1);
         if (ret == AVERROR(EAGAIN))
             continue;
         if (ret < 0)
@@ -142,7 +144,7 @@ static int sap_read_header(AVFormatContext *s,
     }
 
     av_log(s, AV_LOG_VERBOSE, "SDP:\n%s\n", sap->sdp);
-    init_put_byte(&sap->sdp_pb, sap->sdp, strlen(sap->sdp), 0, NULL, NULL,
+    ffio_init_context(&sap->sdp_pb, sap->sdp, strlen(sap->sdp), 0, NULL, NULL,
                   NULL, NULL);
 
     infmt = av_find_input_format("sdp");
@@ -154,9 +156,8 @@ static int sap_read_header(AVFormatContext *s,
         goto fail;
     }
     sap->sdp_ctx->max_delay = s->max_delay;
-    ap->prealloced_context = 1;
-    ret = av_open_input_stream(&sap->sdp_ctx, &sap->sdp_pb, "temp.sdp",
-                               infmt, ap);
+    sap->sdp_ctx->pb        = &sap->sdp_pb;
+    ret = avformat_open_input(&sap->sdp_ctx, "temp.sdp", infmt, NULL);
     if (ret < 0)
         goto fail;
     if (sap->sdp_ctx->ctx_flags & AVFMTCTX_NOHEADER)
@@ -181,23 +182,19 @@ fail:
 static int sap_fetch_packet(AVFormatContext *s, AVPacket *pkt)
 {
     struct SAPState *sap = s->priv_data;
-    int fd = url_get_file_handle(sap->ann_fd);
+    int fd = ffurl_get_file_handle(sap->ann_fd);
     int n, ret;
-    fd_set rfds;
-    struct timeval tv;
+    struct pollfd p = {fd, POLLIN, 0};
     uint8_t recvbuf[1500];
 
     if (sap->eof)
         return AVERROR_EOF;
 
     while (1) {
-        FD_ZERO(&rfds);
-        FD_SET(fd, &rfds);
-        tv.tv_sec = tv.tv_usec = 0;
-        n = select(fd + 1, &rfds, NULL, NULL, &tv);
-        if (n <= 0 || !FD_ISSET(fd, &rfds))
+        n = poll(&p, 1, 0);
+        if (n <= 0 || !(p.revents & POLLIN))
             break;
-        ret = url_read(sap->ann_fd, recvbuf, sizeof(recvbuf));
+        ret = ffurl_read(sap->ann_fd, recvbuf, sizeof(recvbuf));
         if (ret >= 8) {
             uint16_t hash = AV_RB16(&recvbuf[2]);
             /* Should ideally check the source IP address, too */
@@ -226,14 +223,14 @@ static int sap_fetch_packet(AVFormatContext *s, AVPacket *pkt)
     return ret;
 }
 
-AVInputFormat sap_demuxer = {
-    "sap",
-    NULL_IF_CONFIG_SMALL("SAP input format"),
-    sizeof(struct SAPState),
-    sap_probe,
-    sap_read_header,
-    sap_fetch_packet,
-    sap_read_close,
+AVInputFormat ff_sap_demuxer = {
+    .name           = "sap",
+    .long_name      = NULL_IF_CONFIG_SMALL("SAP input format"),
+    .priv_data_size = sizeof(struct SAPState),
+    .read_probe     = sap_probe,
+    .read_header    = sap_read_header,
+    .read_packet    = sap_fetch_packet,
+    .read_close     = sap_read_close,
     .flags = AVFMT_NOFILE,
 };