v4l2src: Try to avoid TRY_FMT when camera is streaming

[platform/upstream/gst-plugins-good.git] / sys / v4l2 / gstv4l2object.h

diff --git a/sys/v4l2/gstv4l2object.h b/sys/v4l2/gstv4l2object.h
index 0df840e..7871eaf 100644 (file)
--- a/sys/v4l2/gstv4l2object.h
+++ b/sys/v4l2/gstv4l2object.h
@@ -24,33 +24,21 @@
 #ifndef __GST_V4L2_OBJECT_H__
 #define __GST_V4L2_OBJECT_H__
 
+#include "ext/videodev2.h"
 #ifdef HAVE_LIBV4L2
 #  include <libv4l2.h>
-#else
-#  include "ext/videodev2.h"
-#  include <sys/ioctl.h>
-#  include <sys/mman.h>
-#  include <unistd.h>
-#  define v4l2_fd_open(fd, flags) (fd)
-#  define v4l2_close    close
-#  define v4l2_dup      dup
-#  define v4l2_ioctl    ioctl
-#  define v4l2_read     read
-#  define v4l2_mmap     mmap
-#  define v4l2_munmap   munmap
 #endif
 
-#include "ext/videodev2.h"
 #include "v4l2-utils.h"
 
 #include <gst/gst.h>
 #include <gst/base/gstpushsrc.h>
 
 #include <gst/video/video.h>
+#include <unistd.h>
 
 typedef struct _GstV4l2Object GstV4l2Object;
 typedef struct _GstV4l2ObjectClassHelper GstV4l2ObjectClassHelper;
-typedef struct _GstV4l2Xv GstV4l2Xv;
 
 #include <gstv4l2bufferpool.h>
 
@@ -124,6 +112,7 @@ typedef gboolean  (*GstV4l2UpdateFpsFunction) (GstV4l2Object * v4l2object);
 
 struct _GstV4l2Object {
   GstElement * element;
+  GstObject * dbg_obj;
 
   enum v4l2_buf_type type;   /* V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_BUF_TYPE_VIDEO_OUTPUT */
 
@@ -166,9 +155,6 @@ struct _GstV4l2Object {
    * calculate the minimum latency. */
   guint32 min_buffers;
 
-  /* This will be set if supported in propose allocation. */
-  guint32 min_buffers_for_output;
-
   /* wanted mode */
   GstV4l2IOMode req_mode;
 
@@ -180,12 +166,6 @@ struct _GstV4l2Object {
   /* opened device specific capabilities */
   guint32 device_caps;
 
-  /* the video device's window properties */
-  struct v4l2_window vwin;
-
-  /* some more info about the current input's capabilities */
-  struct v4l2_input vinput;
-
   /* lists... */
   GSList *formats;              /* list of available capture formats */
   GstCaps *probed_caps;
@@ -203,15 +183,21 @@ struct _GstV4l2Object {
   gboolean keep_aspect;
   GValue *par;
 
-  /* X-overlay */
-  GstV4l2Xv *xv;
-  gulong xwindow_id;
-
   /* funcs */
   GstV4l2GetInOutFunction  get_in_out_func;
   GstV4l2SetInOutFunction  set_in_out_func;
   GstV4l2UpdateFpsFunction update_fps_func;
 
+  /* syscalls */
+  gint (*fd_open) (gint fd, gint v4l2_flags);
+  gint (*close) (gint fd);
+  gint (*dup) (gint fd);
+  gint (*ioctl) (gint fd, gulong request, ...);
+  gssize (*read) (gint fd, gpointer buffer, gsize n);
+  gpointer (*mmap) (gpointer start, gsize length, gint prot, gint flags,
+      gint fd,  off_t offset);
+  gint (*munmap) (gpointer _start, gsize length);
+
   /* Quirks */
   /* Skips interlacing probes */
   gboolean never_interlaced;
@@ -250,6 +236,7 @@ GType gst_v4l2_object_get_type (void);
 
 /* create/destroy */
 GstV4l2Object*  gst_v4l2_object_new       (GstElement * element,
+                                           GstObject * dbg_obj,
                                            enum v4l2_buf_type  type,
                                            const char * default_device,
                                            GstV4l2GetInOutFunction get_in_out_func,
@@ -291,7 +278,9 @@ gint         gst_v4l2_object_extrapolate_stride (const GstVideoFormatInfo * finf
 gboolean     gst_v4l2_object_set_format  (GstV4l2Object * v4l2object, GstCaps * caps, GstV4l2Error * error);
 gboolean     gst_v4l2_object_try_format  (GstV4l2Object * v4l2object, GstCaps * caps, GstV4l2Error * error);
 
-gboolean     gst_v4l2_object_caps_equal  (GstV4l2Object * v4l2object, GstCaps * caps);
+gboolean     gst_v4l2_object_caps_equal       (GstV4l2Object * v4l2object, GstCaps * caps);
+gboolean     gst_v4l2_object_caps_is_subset   (GstV4l2Object * v4l2object, GstCaps * caps);
+GstCaps *    gst_v4l2_object_get_current_caps (GstV4l2Object * v4l2object);
 
 gboolean     gst_v4l2_object_unlock      (GstV4l2Object * v4l2object);
 gboolean     gst_v4l2_object_unlock_stop (GstV4l2Object * v4l2object);