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Diffstat (limited to '')
-rw-r--r-- | src/InputStream.hxx | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/InputStream.hxx b/src/InputStream.hxx new file mode 100644 index 000000000..8a82888f0 --- /dev/null +++ b/src/InputStream.hxx @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2003-2013 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_INPUT_STREAM_HXX +#define MPD_INPUT_STREAM_HXX + +#include "input_stream.h" +#include "check.h" +#include "gcc.h" + +#include <glib.h> + +struct input_stream { + /** + * the plugin which implements this input stream + */ + const struct input_plugin *plugin; + + /** + * The absolute URI which was used to open this stream. May + * be NULL if this is unknown. + */ + char *uri; + + /** + * A mutex that protects the mutable attributes of this object + * and its implementation. It must be locked before calling + * any of the public methods. + * + * This object is allocated by the client, and the client is + * responsible for freeing it. + */ + GMutex *mutex; + + /** + * A cond that gets signalled when the state of this object + * changes from the I/O thread. The client of this object may + * wait on it. Optional, may be NULL. + * + * This object is allocated by the client, and the client is + * responsible for freeing it. + */ + GCond *cond; + + /** + * indicates whether the stream is ready for reading and + * whether the other attributes in this struct are valid + */ + bool ready; + + /** + * if true, then the stream is fully seekable + */ + bool seekable; + + /** + * the size of the resource, or -1 if unknown + */ + goffset size; + + /** + * the current offset within the stream + */ + goffset offset; + + /** + * the MIME content type of the resource, or NULL if unknown + */ + char *mime; +}; + +gcc_nonnull(1) +static inline void +input_stream_lock(struct input_stream *is) +{ + g_mutex_lock(is->mutex); +} + +gcc_nonnull(1) +static inline void +input_stream_unlock(struct input_stream *is) +{ + g_mutex_unlock(is->mutex); +} + +#endif |