introduce new 'stream' directory for all stream layer related components and split them from libmpdemux

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19277 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 180 insertions, 0 deletions

diff --git a/stream/stream_vstream.c b/stream/stream_vstream.c
new file mode 100644
index 0000000000..180700a2fe
--- /dev/null
+++ b/stream/stream_vstream.c
@@ -0,0 +1,180 @@
+/*
+ *  stream_vstream.c
+ *
+ *	Copyright (C) Joey Parrish
+ *
+ *  This file is part of MPlayer, a free movie player.
+ *	
+ *  MPlayer is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *   
+ *  MPlayer 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 General Public License for more details.
+ *   
+ *  You should have received a copy of the GNU General Public License
+ *  along with GNU Make; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
+ *
+ *
+ */
+
+/*
+ *   If you have a tivo with the vstream server installed, (and most tivo
+ *   hackers do,) then you can connect to it and stream ty files using
+ *   this module.  The url syntax is tivo://host/fsid or tivo://host/list
+ *   to list the available recordings and their fsid's.
+ *   This module depends on libvstream-client, which is available from
+ *   http://armory.nicewarrior.org/projects/vstream-client .
+ *
+ */
+
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <errno.h>
+
+#include "mp_msg.h"
+#include "stream.h"
+#include "help_mp.h"
+#include "m_option.h"
+#include "m_struct.h"
+
+#include <vstream-client.h>
+
+void vstream_error(const char *format, ...) {
+    char buf[1024];
+    va_list va;
+    va_start(va, format);
+    vsnprintf(buf, 1024, format, va);
+    va_end(va);
+    mp_msg(MSGT_STREAM, MSGL_ERR, buf);
+}
+
+static struct stream_priv_s {
+  char* host;
+  char* fsid;
+} stream_priv_dflts = {
+  NULL,
+  NULL
+};
+
+#define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
+/// URL definition
+static m_option_t stream_opts_fields[] = {
+  {"hostname", ST_OFF(host), CONF_TYPE_STRING, 0, 0 ,0, NULL},
+  {"filename", ST_OFF(fsid), CONF_TYPE_STRING, 0, 0 ,0, NULL},
+  { NULL, NULL, 0, 0, 0, 0,  NULL }
+};
+
+static struct m_struct_st stream_opts = {
+  "vstream",
+  sizeof(struct stream_priv_s),
+  &stream_priv_dflts,
+  stream_opts_fields
+};
+
+static int fill_buffer(stream_t *s, char* buffer, int max_len){
+  struct stream_priv_s* p = (struct stream_priv_s*)s->priv;
+  int len = vstream_load_chunk(p->fsid, buffer, max_len, s->pos);
+  if (len <= 0) return 0;
+  return len;
+}
+
+static int seek(stream_t *s,off_t newpos) {
+  s->pos = newpos;
+  return 1;
+}
+
+static int control(struct stream_st *s,int cmd,void* arg) {
+  return STREAM_UNSUPORTED;
+}
+
+static void close_s(struct stream_st *s) {
+}
+
+static int open_s(stream_t *stream, int mode, void* opts, int* file_format) {
+  int f;
+  struct stream_priv_s* p = (struct stream_priv_s*)opts;
+
+  if(mode != STREAM_READ)
+    return STREAM_UNSUPORTED;
+
+  if(!p->host) {
+    mp_msg(MSGT_OPEN, MSGL_ERR, "We need a host name (ex: tivo://hostname/fsid)\n");
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+
+  if(!p->fsid || strlen(p->fsid) == 0) {
+    mp_msg(MSGT_OPEN, MSGL_ERR, "We need an fsid (ex: tivo://hostname/fsid)\n");
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+
+  f = connect2Server(p->host, VSERVER_PORT, 1);
+
+  if(f < 0) {
+    mp_msg(MSGT_OPEN, MSGL_ERR, "Connection to %s failed\n", p->host);
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+  stream->fd = f;
+
+  vstream_set_socket_fd(f);
+
+  if (!strcmp(p->fsid, "list")) {
+    vstream_list_streams(0);
+    return STREAM_ERROR;
+  } else if (!strcmp(p->fsid, "llist")) {
+    vstream_list_streams(1);
+    return STREAM_ERROR;
+  }
+
+  if (vstream_start()) {
+    mp_msg(MSGT_OPEN, MSGL_ERR, "Cryptic internal error #1\n");
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+  if (vstream_startstream(p->fsid)) {
+    mp_msg(MSGT_OPEN, MSGL_ERR, "Cryptic internal error #2\n");
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+  
+  stream->start_pos = 0;
+  stream->end_pos = vstream_streamsize();
+  mp_msg(MSGT_OPEN, MSGL_DBG2, "Tivo stream size is %d\n", stream->end_pos);
+
+  stream->priv = p;
+  stream->fill_buffer = fill_buffer;
+  stream->control = control;
+  stream->seek = seek;
+  stream->close = close_s;
+  stream->type = STREAMTYPE_VSTREAM;
+
+  return STREAM_OK;
+}
+
+stream_info_t stream_info_vstream = {
+  "vstream client",
+  "vstream",
+  "Joey",
+  "",
+  open_s,
+  { "tivo", NULL },
+  &stream_opts,
+  1 // Url is an option string
+};