mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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a7fe79c4de
Do not stop device enumerate even if a device could not be opened. Otherwise the other devices listed after the failed device will not be reported by device provider Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3460 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6598>
144 lines
5.3 KiB
C
144 lines
5.3 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
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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_MF_SOURCE_OBJECT_H__
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#define __GST_MF_SOURCE_OBJECT_H__
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#include <gst/gst.h>
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#include "gstmfutils.h"
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G_BEGIN_DECLS
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#define GST_TYPE_MF_SOURCE_OBJECT (gst_mf_source_object_get_type())
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#define GST_MF_SOURCE_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObject))
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#define GST_MF_SOURCE_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObjectClass))
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#define GST_IS_MF_SOURCE_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_MF_SOURCE_OBJECT))
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#define GST_IS_MF_SOURCE_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_MF_SOURCE_OBJECT))
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#define GST_MF_SOURCE_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObjectClass))
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typedef struct _GstMFSourceObject GstMFSourceObject;
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typedef struct _GstMFSourceObjectClass GstMFSourceObjectClass;
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typedef enum
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{
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GST_MF_SOURCE_TYPE_VIDEO,
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} GstMFSourceType;
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typedef enum
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{
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GST_MF_OK,
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GST_MF_DEVICE_NOT_FOUND,
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GST_MF_ACTIVATION_FAILED,
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} GstMFSourceResult;
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#define GST_TYPE_MF_SOURCE_TYPE (gst_mf_source_type_get_type())
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GType gst_mf_source_type_get_type (void);
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struct _GstMFSourceObject
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{
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GstObject parent;
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GstMFSourceResult source_state;
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GstMFSourceType source_type;
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gchar *device_path;
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gchar *device_name;
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gint device_index;
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GWeakRef client;
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};
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struct _GstMFSourceObjectClass
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{
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GstObjectClass parent_class;
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gboolean (*start) (GstMFSourceObject * object);
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gboolean (*stop) (GstMFSourceObject * object);
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GstFlowReturn (*fill) (GstMFSourceObject * object,
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GstBuffer * buffer);
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GstFlowReturn (*create) (GstMFSourceObject * object,
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GstBuffer ** buffer);
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GstFlowReturn (*get_sample) (GstMFSourceObject * object,
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GstSample ** sample);
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gboolean (*unlock) (GstMFSourceObject * object);
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gboolean (*unlock_stop) (GstMFSourceObject * object);
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GstCaps * (*get_caps) (GstMFSourceObject * object);
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gboolean (*set_caps) (GstMFSourceObject * object,
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GstCaps * caps);
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};
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GType gst_mf_source_object_get_type (void);
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gboolean gst_mf_source_object_start (GstMFSourceObject * object);
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gboolean gst_mf_source_object_stop (GstMFSourceObject * object);
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/* Used for raw format */
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GstFlowReturn gst_mf_source_object_fill (GstMFSourceObject * object,
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GstBuffer * buffer);
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/* Used for compressed/raw format */
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GstFlowReturn gst_mf_source_object_create (GstMFSourceObject * object,
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GstBuffer ** buffer);
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/* DirectShow filter */
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GstFlowReturn gst_mf_source_object_get_sample (GstMFSourceObject * object,
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GstSample ** sample);
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void gst_mf_source_object_set_flushing (GstMFSourceObject * object,
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gboolean flushing);
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GstCaps * gst_mf_source_object_get_caps (GstMFSourceObject * object);
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gboolean gst_mf_source_object_set_caps (GstMFSourceObject * object,
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GstCaps * caps);
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gboolean gst_mf_source_object_set_client (GstMFSourceObject * object,
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GstElement * element);
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GstClockTime gst_mf_source_object_get_running_time (GstMFSourceObject * object);
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/* A factory method for subclass impl. selection */
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GstMFSourceObject * gst_mf_source_object_new (GstMFSourceType type,
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gint device_index,
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const gchar * device_name,
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const gchar * device_path,
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gpointer dispatcher);
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GstMFSourceResult gst_mf_source_object_enumerate (gint device_index,
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GstMFSourceObject ** object);
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/* Utility methods */
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gint gst_mf_source_object_caps_compare (GstCaps * caps1,
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GstCaps * caps2);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstMFSourceObject, gst_object_unref)
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G_END_DECLS
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#endif /* __GST_MF_SOURCE_OBJECT_H__ */ |