C++ (Cpp) gst_deinterlace_simple_method_deinterlace_frame_planar_plane 예제들

예제 #1

파일: gstdeinterlacemethod.c 프로젝트: rosciio/gst-plugins-good

static void
gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
    method, const GstDeinterlaceField * history, guint history_count,
    GstBuffer * outbuf)
{
  GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
  GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
  guint8 *out;
  const guint8 *field0 = NULL, *field1 = NULL, *field2 = NULL, *field3 = NULL;
  gint cur_field_idx = history_count - dm_class->fields_required;
  guint cur_field_flags = history[cur_field_idx].flags;
  gint i, row_stride, offset;
  GstDeinterlaceSimpleMethodFunction copy_scanline;
  GstDeinterlaceSimpleMethodFunction interpolate_scanline;

  g_assert (self->interpolate_scanline_planar[0] != NULL);
  g_assert (self->interpolate_scanline_planar[1] != NULL);
  g_assert (self->interpolate_scanline_planar[2] != NULL);
  g_assert (self->copy_scanline_planar[0] != NULL);
  g_assert (self->copy_scanline_planar[1] != NULL);
  g_assert (self->copy_scanline_planar[2] != NULL);

  for (i = 0; i < 3; i++) {
    row_stride = self->parent.row_stride[i];
    offset = self->parent.offset[i];
    copy_scanline = self->copy_scanline_planar[i];
    interpolate_scanline = self->interpolate_scanline_planar[i];

    out = GST_BUFFER_DATA (outbuf) + offset;

    field0 = GST_BUFFER_DATA (history[cur_field_idx].buf) + offset;
    if (history[cur_field_idx].flags & PICTURE_INTERLACED_BOTTOM)
      field0 += row_stride;

    g_assert (dm_class->fields_required <= 4);

    if (dm_class->fields_required >= 2) {
      field1 = GST_BUFFER_DATA (history[cur_field_idx + 1].buf) + offset;
      if (history[cur_field_idx + 1].flags & PICTURE_INTERLACED_BOTTOM)
        field1 += row_stride;
    }

    if (dm_class->fields_required >= 3) {
      field2 = GST_BUFFER_DATA (history[cur_field_idx + 2].buf) + offset;
      if (history[cur_field_idx + 2].flags & PICTURE_INTERLACED_BOTTOM)
        field2 += row_stride;
    }

    if (dm_class->fields_required >= 4) {
      field3 = GST_BUFFER_DATA (history[cur_field_idx + 3].buf) + offset;
      if (history[cur_field_idx + 3].flags & PICTURE_INTERLACED_BOTTOM)
        field3 += row_stride;
    }

    gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self, out,
        field0, field1, field2, field3, cur_field_flags, i, copy_scanline,
        interpolate_scanline);
  }
}

예제 #2

파일: gstdeinterlacemethod.c 프로젝트: pli3/gst-plugins-good

static void
gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
    method, const GstDeinterlaceField * history, guint history_count,
    GstBuffer * outbuf, gint cur_field_idx)
{
  GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
  GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
  guint8 *out;
  const guint8 *field0, *field1, *field2, *fieldp;
  guint cur_field_flags = history[cur_field_idx].flags;
  gint i, offset;
  GstDeinterlaceSimpleMethodFunction copy_scanline;
  GstDeinterlaceSimpleMethodFunction interpolate_scanline;

  g_assert (self->interpolate_scanline_planar[0] != NULL);
  g_assert (self->interpolate_scanline_planar[1] != NULL);
  g_assert (self->interpolate_scanline_planar[2] != NULL);
  g_assert (self->copy_scanline_planar[0] != NULL);
  g_assert (self->copy_scanline_planar[1] != NULL);
  g_assert (self->copy_scanline_planar[2] != NULL);

  for (i = 0; i < 3; i++) {
    offset = self->parent.offset[i];
    copy_scanline = self->copy_scanline_planar[i];
    interpolate_scanline = self->interpolate_scanline_planar[i];

    out = GST_BUFFER_DATA (outbuf) + offset;

    fieldp = NULL;
    if (cur_field_idx > 0) {
      fieldp = GST_BUFFER_DATA (history[cur_field_idx - 1].buf) + offset;
    }

    field0 = GST_BUFFER_DATA (history[cur_field_idx].buf) + offset;

    g_assert (dm_class->fields_required <= 4);

    field1 = NULL;
    if (cur_field_idx + 1 < history_count) {
      field1 = GST_BUFFER_DATA (history[cur_field_idx + 1].buf) + offset;
    }

    field2 = NULL;
    if (cur_field_idx + 2 < history_count) {
      field2 = GST_BUFFER_DATA (history[cur_field_idx + 2].buf) + offset;
    }

    gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self, out,
        field0, field1, field2, fieldp, cur_field_flags, i, copy_scanline,
        interpolate_scanline);
  }
}

예제 #3

파일: gstdeinterlacemethod.c 프로젝트: PeterXu/gst-mobile

static void
gst_deinterlace_simple_method_deinterlace_frame_nv12 (GstDeinterlaceMethod *
    method, const GstDeinterlaceField * history, guint history_count,
    GstVideoFrame * outframe, gint cur_field_idx)
{
  GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
  GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
  guint8 *out;
  const guint8 *field0, *field1, *field2, *fieldp;
  guint cur_field_flags = history[cur_field_idx].flags;
  gint i;

  g_assert (self->interpolate_scanline_packed != NULL);
  g_assert (self->copy_scanline_packed != NULL);

  for (i = 0; i < 2; i++) {
    out = GST_VIDEO_FRAME_PLANE_DATA (outframe, i);

    fieldp = NULL;
    if (cur_field_idx > 0) {
      fieldp = GST_VIDEO_FRAME_PLANE_DATA (history[cur_field_idx - 1].frame, i);
    }

    field0 = GST_VIDEO_FRAME_PLANE_DATA (history[cur_field_idx].frame, i);

    g_assert (dm_class->fields_required <= 4);

    field1 = NULL;
    if (cur_field_idx + 1 < history_count) {
      field1 = GST_VIDEO_FRAME_PLANE_DATA (history[cur_field_idx + 1].frame, i);
    }

    field2 = NULL;
    if (cur_field_idx + 2 < history_count) {
      field2 = GST_VIDEO_FRAME_PLANE_DATA (history[cur_field_idx + 2].frame, i);
    }

    gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self, out,
        field0, field1, field2, fieldp, cur_field_flags, i,
        self->copy_scanline_packed, self->interpolate_scanline_packed);
  }
}