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/* GStreamer
* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GST_CAMERA_BIN2_H_
#define _GST_CAMERA_BIN2_H_
#include <gst/gst.h>
#include <gst/pbutils/encoding-profile.h>
G_BEGIN_DECLS
#define GST_TYPE_CAMERA_BIN2 (gst_camera_bin2_get_type())
#define GST_CAMERA_BIN2(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CAMERA_BIN2,GstCameraBin2))
#define GST_CAMERA_BIN2_CAST(obj) ((GstCameraBin2 *) obj)
#define GST_CAMERA_BIN2_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CAMERA_BIN2,GstCameraBin2Class))
#define GST_IS_CAMERA_BIN2(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CAMERA_BIN2))
#define GST_IS_CAMERA_BIN2_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CAMERA_BIN2))
typedef enum
{
/* matches GstEncFlags GST_ENC_FLAG_NO_AUDIO_CONVERSION in encodebin */
GST_CAM_FLAG_NO_AUDIO_CONVERSION = (1 << 0),
/* matches GstEncFlags GST_ENC_FLAG_NO_VIDEO_CONVERSION in encodebin */
GST_CAM_FLAG_NO_VIDEO_CONVERSION = (1 << 1),
/* maps to 'disable-converters' property in viewfinderbin */
GST_CAM_FLAG_NO_VIEWFINDER_CONVERSION = (1 << 2),
/* maps to GstEncFlags GST_ENC_FLAG_NO_VIDEO_CONVERSION in the image bin's
* encodebin */
GST_CAM_FLAG_NO_IMAGE_CONVERSION = (1 << 3)
} GstCamFlags;
typedef enum _GstCameraBinVideoState
{
GST_CAMERA_BIN_VIDEO_IDLE=0,
GST_CAMERA_BIN_VIDEO_STARTING=1,
GST_CAMERA_BIN_VIDEO_RECORDING=2,
GST_CAMERA_BIN_VIDEO_FINISHING=3
} GstCameraBinVideoState;
typedef struct _GstCameraBin2 GstCameraBin2;
typedef struct _GstCameraBin2Class GstCameraBin2Class;
struct _GstCameraBin2
{
GstPipeline pipeline;
GstElement *src;
GstElement *user_src;
gulong src_capture_notify_id;
GstElement *video_encodebin;
gulong video_encodebin_signal_id;
GstElement *videosink;
GstElement *videobin_capsfilter;
GstElement *viewfinderbin;
GstElement *viewfinderbin_queue;
GstElement *viewfinderbin_capsfilter;
GstElement *image_encodebin;
gulong image_encodebin_signal_id;
GstElement *imagesink;
GstElement *imagebin_capsfilter;
GstElement *video_filter;
GstElement *image_filter;
GstElement *viewfinder_filter;
GstElement *audio_filter;
GstElement *user_video_filter;
GstElement *user_image_filter;
GstElement *user_viewfinder_filter;
GstElement *user_audio_filter;
GstElement *audio_src;
GstElement *user_audio_src;
GstElement *audio_volume;
GstElement *audio_capsfilter;
gint processing_counter; /* atomic int */
/* Index of the auto incrementing file index for captures */
gint capture_index;
GMutex image_capture_mutex;
/* stores list of image locations to be pushed to the image sink
* as file location change notifications, they are pushed before
* each buffer capture */
GSList *image_location_list;
/* Store also tags and push them before each captured image */
GSList *image_tags_list;
/*
* Similar to above, but used for giving names to previews
*
* Need to protect with a mutex as this list is used when the
* camera-source posts a preview image. As we have no control
* on how the camera-source will behave (we can only tell how
* it should), the preview location list might be used in an
* inconsistent way.
* One example is the camera-source posting a preview image after
* camerabin2 was put to ready, when this preview list will be
* freed and set to NULL. Concurrent access might lead to crashes in
* this situation. (Concurrency from the state-change freeing the
* list and the message handling function looking at preview names)
*/
GSList *preview_location_list;
GMutex preview_list_mutex;
gboolean video_profile_switch;
gboolean image_profile_switch;
gboolean audio_drop_eos;
gboolean audio_send_newseg;
GMutex video_capture_mutex;
GCond video_state_cond;
GstCameraBinVideoState video_state;
/* properties */
gint mode;
gchar *location;
gboolean post_previews;
GstCaps *preview_caps;
GstElement *preview_filter;
GstEncodingProfile *video_profile;
GstEncodingProfile *image_profile;
gfloat zoom;
gfloat max_zoom;
GstCamFlags flags;
gboolean elements_created;
};
struct _GstCameraBin2Class
{
GstPipelineClass pipeline_class;
/* Action signals */
void (*start_capture) (GstCameraBin2 * camera);
void (*stop_capture) (GstCameraBin2 * camera);
};
GType gst_camera_bin2_get_type (void);
gboolean gst_camera_bin2_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif
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