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v4l2bufferpool: Port to use GstV4l2Allocator

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This commit is contained in:
Nicolas Dufresne 2014-04-04 22:46:40 -04:00
parent fd13e9e96d
commit 2b0ac06ade
2 changed files with 376 additions and 708 deletions
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1042
sys/v4l2/gstv4l2bufferpool.c
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42
sys/v4l2/gstv4l2bufferpool.h
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@ -32,6 +32,7 @@ typedef struct _GstV4l2BufferPoolClass GstV4l2BufferPoolClass;
typedef struct _GstV4l2Meta GstV4l2Meta;
#include "gstv4l2object.h"
#include "gstv4l2allocator.h"
GST_DEBUG_CATEGORY_EXTERN (v4l2buffer_debug);
@ -50,12 +51,13 @@ struct _GstV4l2BufferPool
GstV4l2Object *obj; /* the v4l2 object */
gint video_fd; /* a dup(2) of the v4l2object's video_fd */
GstV4l2Allocator *vallocator;
GstAllocator *allocator;
GstAllocationParams params;
guint size;
gboolean add_videometa;
gboolean add_cropmeta;
gboolean can_alloc; /* if extra buffers can be allocated */
guint num_buffers; /* number of buffers we use */
guint num_allocated; /* number of buffers allocated by the driver */
@ -64,7 +66,10 @@ struct _GstV4l2BufferPool
gboolean streaming;
GstBuffer **buffers;
GstBuffer *buffers[VIDEO_MAX_FRAME];
/* signal handlers */
gulong group_released_handler;
};
struct _GstV4l2BufferPoolClass
@ -72,37 +77,6 @@ struct _GstV4l2BufferPoolClass
GstBufferPoolClass parent_class;
};
struct _GstV4l2Meta {
GstMeta meta;
/* number of v4l2 planes
* In MPLANE and non MPLANE case it can be one so
* it contains all yuv planes
* In MPLANE mode it can be one per yuv plane.
* For example, 2 for NV12 and 3 for I420
*
* In non MPLANE mode it's always equal to 1
* In MPLANE mode it's equivalent to vbuffer.length
*/
guint n_planes;
/* only useful in GST_V4L2_IO_MMAP case.
* it contains address at which the mapping
* was placed for each v4l2 plane */
gpointer mem[GST_VIDEO_MAX_PLANES];
/* plane info for multi-planar buffers */
struct v4l2_plane vplanes[GST_VIDEO_MAX_PLANES];
/* video buffer info */
struct v4l2_buffer vbuffer;
};
GType gst_v4l2_meta_api_get_type (void);
const GstMetaInfo * gst_v4l2_meta_get_info (void);
#define GST_V4L2_META_GET(buf) ((GstV4l2Meta *)gst_buffer_get_meta(buf,gst_v4l2_meta_api_get_type()))
#define GST_V4L2_META_ADD(buf) ((GstV4l2Meta *)gst_buffer_add_meta(buf,gst_v4l2_meta_get_info(),NULL))
GType gst_v4l2_buffer_pool_get_type (void);
GstBufferPool * gst_v4l2_buffer_pool_new (GstV4l2Object *obj, GstCaps *caps);
@ -111,8 +85,6 @@ GstFlowReturn gst_v4l2_buffer_pool_process (GstV4l2BufferPool * bpool, Gst
gboolean gst_v4l2_buffer_pool_flush (GstV4l2BufferPool * pool);
void gst_v4l2_buffer_pool_add_crop_meta (GstV4l2BufferPool * bpool, gboolean add);
G_END_DECLS
#endif /*__GST_V4L2_BUFFER_POOL_H__ */