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fieldanalysis: Port to 1.0

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I was also vaguely forced to overhaul some bits and pieces and mess with
the data structures. This was mostly due to caps not being part of
buffers and so I had to switch to using GstVideoFrame and GstVideoInfo.
This commit is contained in:
Robert Swain 2012-09-24 17:25:25 +02:00
parent 33a012219d
commit a5e92acee9
2 changed files with 385 additions and 339 deletions
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690
gst/fieldanalysis/gstfieldanalysis.c
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34
gst/fieldanalysis/gstfieldanalysis.h
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@ -61,6 +61,7 @@ G_BEGIN_DECLS
typedef struct _GstFieldAnalysis GstFieldAnalysis;
typedef struct _GstFieldAnalysisClass GstFieldAnalysisClass;
typedef struct _FieldAnalysisFields FieldAnalysisFields;
typedef struct _FieldAnalysisHistory FieldAnalysisHistory;
typedef struct _FieldAnalysis FieldAnalysis;
typedef enum
@ -78,12 +79,6 @@ enum FieldParity
BOTH_FIELDS
};
struct _FieldAnalysisFields
{
GstBuffer *buf;
gboolean parity;
};
struct _FieldAnalysis
{
/* frame, top, bottom, top with prev bottom, bottom with prev top */
@ -94,6 +89,18 @@ struct _FieldAnalysis
gboolean drop;
};
struct _FieldAnalysisFields
{
GstVideoFrame frame;
gboolean parity;
};
struct _FieldAnalysisHistory
{
GstVideoFrame frame;
FieldAnalysis results;
};
typedef enum
{
METHOD_32DETECT,
@ -107,15 +114,12 @@ struct _GstFieldAnalysis
GstPad *sinkpad, *srcpad;
GQueue *frames;
gint width, height;
gint data_offset;
gint line_stride; /* step size in bytes from the 0th sample of one line to the next */
gint sample_incr; /* step size in bytes from one sample to the next */
FieldAnalysis results[2];
gfloat (*same_field) (GstFieldAnalysis *, FieldAnalysisFields *);
gfloat (*same_frame) (GstFieldAnalysis *, FieldAnalysisFields *);
guint64 (*block_score_for_row) (GstFieldAnalysis *, guint8 *, guint8 *);
guint nframes;
FieldAnalysisHistory frames[2];
GstVideoInfo vinfo;
gfloat (*same_field) (GstFieldAnalysis *, FieldAnalysisFields (*)[2]);
gfloat (*same_frame) (GstFieldAnalysis *, FieldAnalysisFields (*)[2]);
guint64 (*block_score_for_row) (GstFieldAnalysis *, FieldAnalysisFields (*)[2], guint8 *, guint8 *);
gboolean is_telecine;
gboolean first_buffer; /* indicates the first buffer for which a buffer will be output
* after a discont or flushing seek */