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be0ca93a90
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
194 lines
6.4 KiB
C
194 lines
6.4 KiB
C
/* GStreamer
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* Copyright (C) 2007 David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _GST_APP_SRC_H_
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#define _GST_APP_SRC_H_
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#include <gst/gst.h>
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#include <gst/base/gstpushsrc.h>
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#include <gst/app/app-prelude.h>
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#include <gst/app/app-enumtypes.h>
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G_BEGIN_DECLS
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#define GST_TYPE_APP_SRC \
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(gst_app_src_get_type())
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#define GST_APP_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_APP_SRC,GstAppSrc))
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#define GST_APP_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_APP_SRC,GstAppSrcClass))
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#define GST_IS_APP_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_APP_SRC))
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#define GST_IS_APP_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_APP_SRC))
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#define GST_APP_SRC_CAST(obj) \
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((GstAppSrc*)(obj))
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typedef struct _GstAppSrc GstAppSrc;
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typedef struct _GstAppSrcClass GstAppSrcClass;
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typedef struct _GstAppSrcPrivate GstAppSrcPrivate;
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/* FIXME 2.0: Make the instance/class struct private */
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/**
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* GstAppSrcCallbacks: (skip)
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* @need_data: Called when the appsrc needs more data. A buffer or EOS should be
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* pushed to appsrc from this thread or another thread. @length is just a hint
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* and when it is set to -1, any number of bytes can be pushed into @appsrc.
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* @enough_data: Called when appsrc has enough data. It is recommended that the
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* application stops calling push-buffer until the need_data callback is
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* emitted again to avoid excessive buffer queueing.
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* @seek_data: Called when a seek should be performed to the offset.
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* The next push-buffer should produce buffers from the new @offset.
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* This callback is only called for seekable stream types.
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*
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* A set of callbacks that can be installed on the appsrc with
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* gst_app_src_set_callbacks().
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*/
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typedef struct {
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void (*need_data) (GstAppSrc *src, guint length, gpointer user_data);
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void (*enough_data) (GstAppSrc *src, gpointer user_data);
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gboolean (*seek_data) (GstAppSrc *src, guint64 offset, gpointer user_data);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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} GstAppSrcCallbacks;
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/**
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* GstAppStreamType:
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* @GST_APP_STREAM_TYPE_STREAM: No seeking is supported in the stream, such as a
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* live stream.
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* @GST_APP_STREAM_TYPE_SEEKABLE: The stream is seekable but seeking might not
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* be very fast, such as data from a webserver.
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* @GST_APP_STREAM_TYPE_RANDOM_ACCESS: The stream is seekable and seeking is fast,
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* such as in a local file.
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*
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* The stream type.
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*/
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typedef enum
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{
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GST_APP_STREAM_TYPE_STREAM,
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GST_APP_STREAM_TYPE_SEEKABLE,
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GST_APP_STREAM_TYPE_RANDOM_ACCESS
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} GstAppStreamType;
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struct _GstAppSrc
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{
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GstBaseSrc basesrc;
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/*< private >*/
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GstAppSrcPrivate *priv;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstAppSrcClass
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{
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GstBaseSrcClass basesrc_class;
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/* signals */
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void (*need_data) (GstAppSrc *appsrc, guint length);
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void (*enough_data) (GstAppSrc *appsrc);
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gboolean (*seek_data) (GstAppSrc *appsrc, guint64 offset);
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/* actions */
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GstFlowReturn (*push_buffer) (GstAppSrc *appsrc, GstBuffer *buffer);
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GstFlowReturn (*end_of_stream) (GstAppSrc *appsrc);
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GstFlowReturn (*push_sample) (GstAppSrc *appsrc, GstSample *sample);
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GstFlowReturn (*push_buffer_list) (GstAppSrc *appsrc, GstBufferList *buffer_list);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING-2];
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};
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GST_APP_API
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GType gst_app_src_get_type (void);
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GST_APP_API
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void gst_app_src_set_caps (GstAppSrc *appsrc, const GstCaps *caps);
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GST_APP_API
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GstCaps* gst_app_src_get_caps (GstAppSrc *appsrc);
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GST_APP_API
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void gst_app_src_set_size (GstAppSrc *appsrc, gint64 size);
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GST_APP_API
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gint64 gst_app_src_get_size (GstAppSrc *appsrc);
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GST_APP_API
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void gst_app_src_set_duration (GstAppSrc *appsrc, GstClockTime duration);
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GST_APP_API
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GstClockTime gst_app_src_get_duration (GstAppSrc *appsrc);
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GST_APP_API
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void gst_app_src_set_stream_type (GstAppSrc *appsrc, GstAppStreamType type);
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GST_APP_API
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GstAppStreamType gst_app_src_get_stream_type (GstAppSrc *appsrc);
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GST_APP_API
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void gst_app_src_set_max_bytes (GstAppSrc *appsrc, guint64 max);
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GST_APP_API
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guint64 gst_app_src_get_max_bytes (GstAppSrc *appsrc);
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GST_APP_API
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guint64 gst_app_src_get_current_level_bytes (GstAppSrc *appsrc);
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GST_APP_API
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void gst_app_src_set_latency (GstAppSrc *appsrc, guint64 min, guint64 max);
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GST_APP_API
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void gst_app_src_get_latency (GstAppSrc *appsrc, guint64 *min, guint64 *max);
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GST_APP_API
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void gst_app_src_set_emit_signals (GstAppSrc *appsrc, gboolean emit);
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GST_APP_API
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gboolean gst_app_src_get_emit_signals (GstAppSrc *appsrc);
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GST_APP_API
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GstFlowReturn gst_app_src_push_buffer (GstAppSrc *appsrc, GstBuffer *buffer);
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GST_APP_API
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GstFlowReturn gst_app_src_push_buffer_list (GstAppSrc * appsrc, GstBufferList * buffer_list);
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GST_APP_API
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GstFlowReturn gst_app_src_end_of_stream (GstAppSrc *appsrc);
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GST_APP_API
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GstFlowReturn gst_app_src_push_sample (GstAppSrc *appsrc, GstSample *sample);
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GST_APP_API
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void gst_app_src_set_callbacks (GstAppSrc * appsrc,
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GstAppSrcCallbacks *callbacks,
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gpointer user_data,
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GDestroyNotify notify);
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#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstAppSrc, gst_object_unref)
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#endif
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G_END_DECLS
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#endif
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