mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-28 03:00:35 +00:00
deinterlace: add wrapper to get field lines from history
No semantic change so far, will be used to implement alternate support.
This commit is contained in:
Guillaume Desmottes
GStreamer Merge Bot
parent
f0eb1419f6
commit
b3d96e06c6
1 changed files with 85 additions and 81 deletions
|
|
@ -304,6 +304,41 @@ gst_deinterlace_simple_method_copy_scanline_packed (GstDeinterlaceSimpleMethod *
|
|||
memcpy (out, scanlines->m0, stride);
|
||||
}
|
||||
|
||||
typedef struct
|
||||
{
|
||||
const GstDeinterlaceField *history;
|
||||
guint history_count;
|
||||
gint cur_field_idx;
|
||||
} LinesGetter;
|
||||
|
||||
#define CLAMP_LOW(i) (((i)<0) ? (i+2) : (i))
|
||||
#define CLAMP_HI(i) (((i)>=(frame_height)) ? (i-2) : (i))
|
||||
|
||||
static guint8 *
|
||||
get_line (LinesGetter * lg, gint field_offset, guint plane, gint line,
|
||||
gint line_offset)
|
||||
{
|
||||
const GstVideoFrame *frame;
|
||||
gint idx, frame_height;
|
||||
guint8 *data;
|
||||
|
||||
idx = lg->cur_field_idx + field_offset;
|
||||
if (idx < 0 || idx >= lg->history_count)
|
||||
return NULL;
|
||||
|
||||
frame = lg->history[idx].frame;
|
||||
g_assert (frame);
|
||||
|
||||
frame_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, plane);
|
||||
line += line_offset;
|
||||
|
||||
data = GST_VIDEO_FRAME_PLANE_DATA ((frame), plane);
|
||||
data += CLAMP_HI (CLAMP_LOW (line)) * GST_VIDEO_FRAME_PLANE_STRIDE ((frame),
|
||||
plane);
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
|
||||
method, const GstDeinterlaceField * history, guint history_count,
|
||||
|
|
@ -317,6 +352,7 @@ gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
|
|||
guint cur_field_flags;
|
||||
gint i;
|
||||
gint frame_height, frame_width;
|
||||
LinesGetter lg = { history, history_count, cur_field_idx };
|
||||
GstVideoFrame *framep, *frame0, *frame1, *frame2;
|
||||
|
||||
g_assert (self->interpolate_scanline_packed != NULL);
|
||||
|
|
@ -347,11 +383,8 @@ gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
|
|||
if (frame2)
|
||||
frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame2, 0));
|
||||
|
||||
#define CLAMP_LOW(i) (((i)<0) ? (i+2) : (i))
|
||||
#define CLAMP_HI(i) (((i)>=(frame_height)) ? (i-2) : (i))
|
||||
#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),0)) + CLAMP_HI(CLAMP_LOW(i)) * \
|
||||
#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),0)) + i * \
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE((x),0))
|
||||
#define LINE2(x,i) ((x) ? LINE(x,i) : NULL)
|
||||
|
||||
for (i = 0; i < frame_height; i++) {
|
||||
memset (&scanlines, 0, sizeof (scanlines));
|
||||
|
|
@ -359,43 +392,42 @@ gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
|
|||
|
||||
if (!((i & 1) ^ scanlines.bottom_field)) {
|
||||
/* copying */
|
||||
scanlines.tp = LINE2 (framep, i - 1);
|
||||
scanlines.bp = LINE2 (framep, i + 1);
|
||||
scanlines.tp = get_line (&lg, -1, 0, i, -1);
|
||||
scanlines.bp = get_line (&lg, -1, 0, i, 1);
|
||||
|
||||
scanlines.tt0 = LINE2 (frame0, i - 2);
|
||||
scanlines.m0 = LINE2 (frame0, i);
|
||||
scanlines.bb0 = LINE2 (frame0, i + 2);
|
||||
scanlines.tt0 = get_line (&lg, 0, 0, i, -2);
|
||||
scanlines.m0 = get_line (&lg, 0, 0, i, 0);
|
||||
scanlines.bb0 = get_line (&lg, 0, 0, i, 2);
|
||||
|
||||
scanlines.t1 = LINE2 (frame1, i - 1);
|
||||
scanlines.b1 = LINE2 (frame1, i + 1);
|
||||
scanlines.t1 = get_line (&lg, 1, 0, i, -1);
|
||||
scanlines.b1 = get_line (&lg, 1, 0, i, 1);
|
||||
|
||||
scanlines.tt2 = LINE2 (frame2, i - 2);
|
||||
scanlines.m2 = LINE2 (frame2, i);
|
||||
scanlines.bb2 = LINE2 (frame2, i + 2);
|
||||
scanlines.tt2 = get_line (&lg, 2, 0, i, -2);
|
||||
scanlines.m2 = get_line (&lg, 2, 0, i, 0);
|
||||
scanlines.bb2 = get_line (&lg, 2, 0, i, 2);
|
||||
|
||||
self->copy_scanline_packed (self, LINE (outframe, i), &scanlines,
|
||||
frame_width);
|
||||
} else {
|
||||
/* interpolating */
|
||||
scanlines.ttp = LINE2 (framep, i - 2);
|
||||
scanlines.mp = LINE2 (framep, i);
|
||||
scanlines.bbp = LINE2 (framep, i + 2);
|
||||
scanlines.ttp = get_line (&lg, -1, 0, i, -2);
|
||||
scanlines.mp = get_line (&lg, -1, 0, i, 0);
|
||||
scanlines.bbp = get_line (&lg, -1, 0, i, 2);
|
||||
|
||||
scanlines.t0 = LINE2 (frame0, i - 1);
|
||||
scanlines.b0 = LINE2 (frame0, i + 1);
|
||||
scanlines.t0 = get_line (&lg, 0, 0, i, -1);
|
||||
scanlines.b0 = get_line (&lg, 0, 0, i, 1);
|
||||
|
||||
scanlines.tt1 = LINE2 (frame1, i - 2);
|
||||
scanlines.m1 = LINE2 (frame1, i);
|
||||
scanlines.bb1 = LINE2 (frame1, i + 2);
|
||||
scanlines.tt1 = get_line (&lg, 1, 0, i, -2);
|
||||
scanlines.m1 = get_line (&lg, 1, 0, i, 0);
|
||||
scanlines.bb1 = get_line (&lg, 1, 0, i, 2);
|
||||
|
||||
scanlines.t2 = LINE2 (frame2, i - 1);
|
||||
scanlines.b2 = LINE2 (frame2, i + 1);
|
||||
scanlines.t2 = get_line (&lg, 2, 0, i, -1);
|
||||
scanlines.b2 = get_line (&lg, 2, 0, i, 1);
|
||||
|
||||
self->interpolate_scanline_packed (self, LINE (outframe, i), &scanlines,
|
||||
frame_width);
|
||||
}
|
||||
#undef LINE
|
||||
#undef LINE2
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -450,8 +482,7 @@ gst_deinterlace_simple_method_copy_scanline_planar_v (GstDeinterlaceSimpleMethod
|
|||
static void
|
||||
gst_deinterlace_simple_method_deinterlace_frame_planar_plane
|
||||
(GstDeinterlaceSimpleMethod * self, GstVideoFrame * dest,
|
||||
const GstVideoFrame * frame0, const GstVideoFrame * frame1,
|
||||
const GstVideoFrame * frame2, const GstVideoFrame * framep,
|
||||
LinesGetter * lg,
|
||||
guint cur_field_flags, gint plane,
|
||||
GstDeinterlaceSimpleMethodFunction copy_scanline,
|
||||
GstDeinterlaceSimpleMethodFunction interpolate_scanline)
|
||||
|
|
@ -467,9 +498,8 @@ static void
|
|||
g_assert (interpolate_scanline != NULL);
|
||||
g_assert (copy_scanline != NULL);
|
||||
|
||||
#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),plane)) + CLAMP_HI(CLAMP_LOW(i)) * \
|
||||
#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),plane)) + i * \
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE((x),plane))
|
||||
#define LINE2(x,i) ((x) ? LINE(x,i) : NULL)
|
||||
|
||||
for (i = 0; i < frame_height; i++) {
|
||||
memset (&scanlines, 0, sizeof (scanlines));
|
||||
|
|
@ -477,41 +507,40 @@ static void
|
|||
|
||||
if (!((i & 1) ^ scanlines.bottom_field)) {
|
||||
/* copying */
|
||||
scanlines.tp = LINE2 (framep, i - 1);
|
||||
scanlines.bp = LINE2 (framep, i + 1);
|
||||
scanlines.tp = get_line (lg, -1, plane, i, -1);
|
||||
scanlines.bp = get_line (lg, -1, plane, i, 1);
|
||||
|
||||
scanlines.tt0 = LINE2 (frame0, i - 2);
|
||||
scanlines.m0 = LINE2 (frame0, i);
|
||||
scanlines.bb0 = LINE2 (frame0, i + 2);
|
||||
scanlines.tt0 = get_line (lg, 0, plane, i, -2);
|
||||
scanlines.m0 = get_line (lg, 0, plane, i, 0);
|
||||
scanlines.bb0 = get_line (lg, 0, plane, i, 2);
|
||||
|
||||
scanlines.t1 = LINE2 (frame1, i - 1);
|
||||
scanlines.b1 = LINE2 (frame1, i + 1);
|
||||
scanlines.t1 = get_line (lg, 1, plane, i, -1);
|
||||
scanlines.b1 = get_line (lg, 1, plane, i, 1);
|
||||
|
||||
scanlines.tt2 = LINE2 (frame2, i - 2);
|
||||
scanlines.m2 = LINE2 (frame2, i);
|
||||
scanlines.bb2 = LINE2 (frame2, i + 2);
|
||||
scanlines.tt2 = get_line (lg, 2, plane, i, -2);
|
||||
scanlines.m2 = get_line (lg, 2, plane, i, 0);
|
||||
scanlines.bb2 = get_line (lg, 2, plane, i, 2);
|
||||
|
||||
copy_scanline (self, LINE (dest, i), &scanlines, frame_width);
|
||||
} else {
|
||||
/* interpolating */
|
||||
scanlines.ttp = LINE2 (framep, i - 2);
|
||||
scanlines.mp = LINE2 (framep, i);
|
||||
scanlines.bbp = LINE2 (framep, i + 2);
|
||||
scanlines.ttp = get_line (lg, -1, plane, i, -2);
|
||||
scanlines.mp = get_line (lg, -1, plane, i, 0);
|
||||
scanlines.bbp = get_line (lg, -1, plane, i, 2);
|
||||
|
||||
scanlines.t0 = LINE2 (frame0, i - 1);
|
||||
scanlines.b0 = LINE2 (frame0, i + 1);
|
||||
scanlines.t0 = get_line (lg, 0, plane, i, -1);
|
||||
scanlines.b0 = get_line (lg, 0, plane, i, 1);
|
||||
|
||||
scanlines.tt1 = LINE2 (frame1, i - 2);
|
||||
scanlines.m1 = LINE2 (frame1, i);
|
||||
scanlines.bb1 = LINE2 (frame1, i + 2);
|
||||
scanlines.tt1 = get_line (lg, 1, plane, i, -2);
|
||||
scanlines.m1 = get_line (lg, 1, plane, i, 0);
|
||||
scanlines.bb1 = get_line (lg, 1, plane, i, 2);
|
||||
|
||||
scanlines.t2 = LINE2 (frame2, i - 1);
|
||||
scanlines.b2 = LINE2 (frame2, i + 1);
|
||||
scanlines.t2 = get_line (lg, 2, plane, i, -1);
|
||||
scanlines.b2 = get_line (lg, 2, plane, i, 1);
|
||||
|
||||
interpolate_scanline (self, LINE (dest, i), &scanlines, frame_width);
|
||||
}
|
||||
#undef LINE
|
||||
#undef LINE2
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -524,11 +553,11 @@ gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
|
|||
#ifndef G_DISABLE_ASSERT
|
||||
GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
|
||||
#endif
|
||||
const GstVideoFrame *frame0, *frame1, *frame2, *framep;
|
||||
guint cur_field_flags = history[cur_field_idx].flags;
|
||||
gint i;
|
||||
GstDeinterlaceSimpleMethodFunction copy_scanline;
|
||||
GstDeinterlaceSimpleMethodFunction interpolate_scanline;
|
||||
LinesGetter lg = { history, history_count, cur_field_idx };
|
||||
|
||||
g_assert (self->interpolate_scanline_planar[0] != NULL);
|
||||
g_assert (self->interpolate_scanline_planar[1] != NULL);
|
||||
|
|
@ -536,27 +565,14 @@ gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
|
|||
g_assert (self->copy_scanline_planar[0] != NULL);
|
||||
g_assert (self->copy_scanline_planar[1] != NULL);
|
||||
g_assert (self->copy_scanline_planar[2] != NULL);
|
||||
g_assert (dm_class->fields_required <= 4);
|
||||
|
||||
for (i = 0; i < 3; i++) {
|
||||
copy_scanline = self->copy_scanline_planar[i];
|
||||
interpolate_scanline = self->interpolate_scanline_planar[i];
|
||||
|
||||
framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
|
||||
|
||||
frame0 = history[cur_field_idx].frame;
|
||||
|
||||
g_assert (dm_class->fields_required <= 4);
|
||||
|
||||
frame1 =
|
||||
(cur_field_idx + 1 <
|
||||
history_count ? history[cur_field_idx + 1].frame : NULL);
|
||||
frame2 =
|
||||
(cur_field_idx + 2 <
|
||||
history_count ? history[cur_field_idx + 2].frame : NULL);
|
||||
|
||||
gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
|
||||
outframe, frame0, frame1, frame2, framep, cur_field_flags, i,
|
||||
copy_scanline, interpolate_scanline);
|
||||
outframe, &lg, cur_field_flags, i, copy_scanline, interpolate_scanline);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -569,29 +585,17 @@ gst_deinterlace_simple_method_deinterlace_frame_nv12 (GstDeinterlaceMethod *
|
|||
#ifndef G_DISABLE_ASSERT
|
||||
GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
|
||||
#endif
|
||||
const GstVideoFrame *frame0, *frame1, *frame2, *framep;
|
||||
guint cur_field_flags = history[cur_field_idx].flags;
|
||||
gint i;
|
||||
LinesGetter lg = { history, history_count, cur_field_idx, };
|
||||
|
||||
g_assert (self->interpolate_scanline_packed != NULL);
|
||||
g_assert (self->copy_scanline_packed != NULL);
|
||||
g_assert (dm_class->fields_required <= 4);
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
|
||||
|
||||
frame0 = history[cur_field_idx].frame;
|
||||
|
||||
g_assert (dm_class->fields_required <= 4);
|
||||
|
||||
frame1 =
|
||||
(cur_field_idx + 1 <
|
||||
history_count ? history[cur_field_idx + 1].frame : NULL);
|
||||
frame2 =
|
||||
(cur_field_idx + 2 <
|
||||
history_count ? history[cur_field_idx + 2].frame : NULL);
|
||||
|
||||
gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
|
||||
outframe, frame0, frame1, frame2, framep, cur_field_flags, i,
|
||||
outframe, &lg, cur_field_flags, i,
|
||||
self->copy_scanline_packed, self->interpolate_scanline_packed);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue