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); } }
static void gst_deinterlace_simple_method_deinterlace_frame_packed (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); GstDeinterlaceScanlineData scanlines; guint8 *out = GST_BUFFER_DATA (outbuf); 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 line; gint field_height = self->parent.frame_height / 2; gint row_stride = self->parent.row_stride[0]; gint field_stride = self->parent.row_stride[0] * 2; g_assert (self->interpolate_scanline_packed != NULL); g_assert (self->copy_scanline_packed != NULL); field0 = GST_BUFFER_DATA (history[cur_field_idx].buf); 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); 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); 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); if (history[cur_field_idx + 3].flags & PICTURE_INTERLACED_BOTTOM) field3 += row_stride; } if (cur_field_flags == PICTURE_INTERLACED_BOTTOM) { /* double the first scanline of the bottom field */ oil_memcpy (out, field0, row_stride); out += row_stride; } oil_memcpy (out, field0, row_stride); out += row_stride; for (line = 2; line <= field_height; line++) { memset (&scanlines, 0, sizeof (scanlines)); scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM); /* interp. scanline */ scanlines.t0 = field0; scanlines.b0 = field0 + field_stride; if (field1 != NULL) { scanlines.tt1 = field1; scanlines.m1 = field1 + field_stride; scanlines.bb1 = field1 + field_stride * 2; field1 += field_stride; } if (field2 != NULL) { scanlines.t2 = field2; scanlines.b2 = field2 + field_stride; } if (field3 != NULL) { scanlines.tt3 = field3; scanlines.m3 = field3 + field_stride; scanlines.bb3 = field3 + field_stride * 2; field3 += field_stride; } /* set valid data for corner cases */ if (line == 2) { scanlines.tt1 = scanlines.bb1; scanlines.tt3 = scanlines.bb3; } else if (line == field_height) { scanlines.bb1 = scanlines.tt1; scanlines.bb3 = scanlines.tt3; } self->interpolate_scanline_packed (self, out, &scanlines); out += row_stride; memset (&scanlines, 0, sizeof (scanlines)); scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM); /* copy a scanline */ scanlines.tt0 = field0; scanlines.m0 = field0 + field_stride; scanlines.bb0 = field0 + field_stride * 2; field0 += field_stride; if (field1 != NULL) { scanlines.t1 = field1; scanlines.b1 = field1 + field_stride; } if (field2 != NULL) { scanlines.tt2 = field2; scanlines.m2 = field2 + field_stride; scanlines.bb2 = field2 + field_stride * 2; field2 += field_stride; } if (field3 != NULL) { scanlines.t3 = field3; scanlines.b3 = field3 + field_stride; } /* set valid data for corner cases */ if (line == field_height) { scanlines.bb0 = scanlines.tt0; scanlines.b1 = scanlines.t1; scanlines.bb2 = scanlines.tt2; scanlines.b3 = scanlines.t3; } self->copy_scanline_packed (self, out, &scanlines); out += row_stride; } if (cur_field_flags == PICTURE_INTERLACED_TOP) { /* double the last scanline of the top field */ oil_memcpy (out, field0, row_stride); } }
static void gst_deinterlace_method_setup_impl (GstDeinterlaceMethod * self, GstVideoFormat format, gint width, gint height) { gint i; GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self); self->format = format; self->frame_width = width; self->frame_height = height; self->deinterlace_frame = NULL; if (format == GST_VIDEO_FORMAT_UNKNOWN) return; for (i = 0; i < 4; i++) { self->width[i] = gst_video_format_get_component_width (format, i, width); self->height[i] = gst_video_format_get_component_height (format, i, height); self->offset[i] = gst_video_format_get_component_offset (format, i, width, height); self->row_stride[i] = gst_video_format_get_row_stride (format, i, width); self->pixel_stride[i] = gst_video_format_get_pixel_stride (format, i); } switch (format) { case GST_VIDEO_FORMAT_YUY2: self->deinterlace_frame = klass->deinterlace_frame_yuy2; break; case GST_VIDEO_FORMAT_YVYU: self->deinterlace_frame = klass->deinterlace_frame_yvyu; break; case GST_VIDEO_FORMAT_UYVY: self->deinterlace_frame = klass->deinterlace_frame_uyvy; break; case GST_VIDEO_FORMAT_I420: self->deinterlace_frame = klass->deinterlace_frame_i420; break; case GST_VIDEO_FORMAT_YV12: self->deinterlace_frame = klass->deinterlace_frame_yv12; break; case GST_VIDEO_FORMAT_Y444: self->deinterlace_frame = klass->deinterlace_frame_y444; break; case GST_VIDEO_FORMAT_Y42B: self->deinterlace_frame = klass->deinterlace_frame_y42b; break; case GST_VIDEO_FORMAT_Y41B: self->deinterlace_frame = klass->deinterlace_frame_y41b; break; case GST_VIDEO_FORMAT_AYUV: self->deinterlace_frame = klass->deinterlace_frame_ayuv; break; case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_xRGB: self->deinterlace_frame = klass->deinterlace_frame_argb; break; case GST_VIDEO_FORMAT_ABGR: case GST_VIDEO_FORMAT_xBGR: self->deinterlace_frame = klass->deinterlace_frame_abgr; break; case GST_VIDEO_FORMAT_RGBA: case GST_VIDEO_FORMAT_RGBx: self->deinterlace_frame = klass->deinterlace_frame_rgba; break; case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_BGRx: self->deinterlace_frame = klass->deinterlace_frame_bgra; break; case GST_VIDEO_FORMAT_RGB: self->deinterlace_frame = klass->deinterlace_frame_rgb; break; case GST_VIDEO_FORMAT_BGR: self->deinterlace_frame = klass->deinterlace_frame_bgr; break; default: self->deinterlace_frame = NULL; break; } }
static void gst_deinterlace_simple_method_deinterlace_frame (GstDeinterlaceMethod * self, GstDeinterlace2 * parent) { GstDeinterlaceSimpleMethodClass *dsm_class = GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS (self); GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self); GstDeinterlaceScanlineData scanlines; guint8 *out = GST_BUFFER_DATA (parent->out_buf); guint8 *field0 = NULL, *field1 = NULL, *field2 = NULL, *field3 = NULL; gint cur_field_idx = parent->history_count - dm_class->fields_required; guint cur_field_flags = parent->field_history[cur_field_idx].flags; gint line; field0 = GST_BUFFER_DATA (parent->field_history[cur_field_idx].buf); g_assert (dm_class->fields_required <= 4); if (dm_class->fields_required >= 2) field1 = GST_BUFFER_DATA (parent->field_history[cur_field_idx + 1].buf); if (dm_class->fields_required >= 3) field2 = GST_BUFFER_DATA (parent->field_history[cur_field_idx + 2].buf); if (dm_class->fields_required >= 4) field3 = GST_BUFFER_DATA (parent->field_history[cur_field_idx + 3].buf); if (cur_field_flags == PICTURE_INTERLACED_BOTTOM) { /* double the first scanline of the bottom field */ oil_memcpy (out, field0, parent->line_length); out += parent->output_stride; } oil_memcpy (out, field0, parent->line_length); out += parent->output_stride; for (line = 2; line <= parent->field_height; line++) { memset (&scanlines, 0, sizeof (scanlines)); scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM); /* interp. scanline */ scanlines.t0 = field0; scanlines.b0 = field0 + parent->field_stride; if (field1 != NULL) { scanlines.tt1 = field1; scanlines.m1 = field1 + parent->field_stride; scanlines.bb1 = field1 + parent->field_stride * 2; field1 += parent->field_stride; } if (field2 != NULL) { scanlines.t2 = field2; scanlines.b2 = field2 + parent->field_stride; } if (field3 != NULL) { scanlines.tt3 = field3; scanlines.m3 = field3 + parent->field_stride; scanlines.bb3 = field3 + parent->field_stride * 2; field3 += parent->field_stride; } /* set valid data for corner cases */ if (line == 2) { scanlines.tt1 = scanlines.bb1; scanlines.tt3 = scanlines.bb3; } else if (line == parent->field_height) { scanlines.bb1 = scanlines.tt1; scanlines.bb3 = scanlines.tt3; } dsm_class->interpolate_scanline (self, parent, out, &scanlines, parent->frame_width); out += parent->output_stride; memset (&scanlines, 0, sizeof (scanlines)); scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM); /* copy a scanline */ scanlines.tt0 = field0; scanlines.m0 = field0 + parent->field_stride; scanlines.bb0 = field0 + parent->field_stride * 2; field0 += parent->field_stride; if (field1 != NULL) { scanlines.t1 = field1; scanlines.b1 = field1 + parent->field_stride; } if (field2 != NULL) { scanlines.tt2 = field2; scanlines.m2 = field2 + parent->field_stride; scanlines.bb2 = field2 + parent->field_stride * 2; field2 += parent->field_stride; } if (field3 != NULL) { scanlines.t3 = field3; scanlines.b3 = field3 + parent->field_stride; } /* set valid data for corner cases */ if (line == parent->field_height) { scanlines.bb0 = scanlines.tt0; scanlines.b1 = scanlines.t1; scanlines.bb2 = scanlines.tt2; scanlines.b3 = scanlines.t3; } dsm_class->copy_scanline (self, parent, out, &scanlines, parent->frame_width); out += parent->output_stride; } if (cur_field_flags == PICTURE_INTERLACED_TOP) { /* double the last scanline of the top field */ oil_memcpy (out, field0, parent->line_length); } }
static void gst_deinterlace_simple_method_deinterlace_frame_packed (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); GstDeinterlaceScanlineData scanlines; guint8 *dest; const guint8 *field0, *field1, *field2, *fieldp; guint cur_field_flags = history[cur_field_idx].flags; gint i; gint frame_height = self->parent.frame_height; gint stride = self->parent.row_stride[0]; g_assert (self->interpolate_scanline_packed != NULL); g_assert (self->copy_scanline_packed != NULL); if (cur_field_idx > 0) { fieldp = GST_BUFFER_DATA (history[cur_field_idx - 1].buf); } else { fieldp = NULL; } dest = GST_BUFFER_DATA (outbuf); field0 = GST_BUFFER_DATA (history[cur_field_idx].buf); g_assert (dm_class->fields_required <= 4); if (cur_field_idx + 1 < history_count) { field1 = GST_BUFFER_DATA (history[cur_field_idx + 1].buf); } else { field1 = NULL; } if (cur_field_idx + 2 < history_count) { field2 = GST_BUFFER_DATA (history[cur_field_idx + 2].buf); } else { field2 = NULL; } #define CLAMP_LOW(i) (((i)<0) ? (i+2) : (i)) #define CLAMP_HI(i) (((i)>=(frame_height)) ? (i-2) : (i)) #define LINE(x,i) ((x) + CLAMP_HI(CLAMP_LOW(i)) * (stride)) #define LINE2(x,i) ((x) ? LINE(x,i) : NULL) for (i = 0; i < frame_height; i++) { memset (&scanlines, 0, sizeof (scanlines)); scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM); if (!((i & 1) ^ scanlines.bottom_field)) { /* copying */ scanlines.tp = LINE2 (fieldp, i - 1); scanlines.bp = LINE2 (fieldp, i + 1); scanlines.tt0 = LINE2 (field0, (i - 2 >= 0) ? i - 2 : i); scanlines.m0 = LINE2 (field0, i); scanlines.bb0 = LINE2 (field0, (i + 2 < frame_height ? i + 2 : i)); scanlines.t1 = LINE2 (field1, i - 1); scanlines.b1 = LINE2 (field1, i + 1); scanlines.tt2 = LINE2 (field2, (i - 2 >= 0) ? i - 2 : i); scanlines.m2 = LINE2 (field2, i); scanlines.bb2 = LINE2 (field2, (i + 2 < frame_height ? i + 2 : i)); self->copy_scanline_packed (self, LINE (dest, i), &scanlines); } else { /* interpolating */ scanlines.ttp = LINE2 (fieldp, (i - 2 >= 0) ? i - 2 : i); scanlines.mp = LINE2 (fieldp, i); scanlines.bbp = LINE2 (fieldp, (i + 2 < frame_height ? i + 2 : i)); scanlines.t0 = LINE2 (field0, i - 1); scanlines.b0 = LINE2 (field0, i + 1); scanlines.tt1 = LINE2 (field1, (i - 2 >= 0) ? i - 2 : i); scanlines.m1 = LINE2 (field1, i); scanlines.bb1 = LINE2 (field1, (i + 2 < frame_height ? i + 2 : i)); scanlines.t2 = LINE2 (field2, i - 1); scanlines.b2 = LINE2 (field2, i + 1); self->interpolate_scanline_packed (self, LINE (dest, i), &scanlines); } } }
static void gst_deinterlace_method_setup_impl (GstDeinterlaceMethod * self, GstVideoInfo * vinfo) { gint i; GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self); self->vinfo = vinfo; self->deinterlace_frame = NULL; if (GST_VIDEO_INFO_FORMAT (self->vinfo) == GST_VIDEO_FORMAT_UNKNOWN) return; for (i = 0; i < 4; i++) { self->width[i] = GST_VIDEO_INFO_COMP_WIDTH (vinfo, i); self->height[i] = GST_VIDEO_INFO_COMP_HEIGHT (vinfo, i); self->offset[i] = GST_VIDEO_INFO_COMP_OFFSET (vinfo, i); self->row_stride[i] = GST_VIDEO_INFO_COMP_STRIDE (vinfo, i); self->pixel_stride[i] = GST_VIDEO_INFO_COMP_PSTRIDE (vinfo, i); } switch (GST_VIDEO_INFO_FORMAT (self->vinfo)) { case GST_VIDEO_FORMAT_YUY2: self->deinterlace_frame = klass->deinterlace_frame_yuy2; break; case GST_VIDEO_FORMAT_YVYU: self->deinterlace_frame = klass->deinterlace_frame_yvyu; break; case GST_VIDEO_FORMAT_UYVY: self->deinterlace_frame = klass->deinterlace_frame_uyvy; break; case GST_VIDEO_FORMAT_I420: self->deinterlace_frame = klass->deinterlace_frame_i420; break; case GST_VIDEO_FORMAT_YV12: self->deinterlace_frame = klass->deinterlace_frame_yv12; break; case GST_VIDEO_FORMAT_Y444: self->deinterlace_frame = klass->deinterlace_frame_y444; break; case GST_VIDEO_FORMAT_Y42B: self->deinterlace_frame = klass->deinterlace_frame_y42b; break; case GST_VIDEO_FORMAT_Y41B: self->deinterlace_frame = klass->deinterlace_frame_y41b; break; case GST_VIDEO_FORMAT_AYUV: self->deinterlace_frame = klass->deinterlace_frame_ayuv; break; case GST_VIDEO_FORMAT_NV12: self->deinterlace_frame = klass->deinterlace_frame_nv12; break; case GST_VIDEO_FORMAT_NV21: self->deinterlace_frame = klass->deinterlace_frame_nv21; break; case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_xRGB: self->deinterlace_frame = klass->deinterlace_frame_argb; break; case GST_VIDEO_FORMAT_ABGR: case GST_VIDEO_FORMAT_xBGR: self->deinterlace_frame = klass->deinterlace_frame_abgr; break; case GST_VIDEO_FORMAT_RGBA: case GST_VIDEO_FORMAT_RGBx: self->deinterlace_frame = klass->deinterlace_frame_rgba; break; case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_BGRx: self->deinterlace_frame = klass->deinterlace_frame_bgra; break; case GST_VIDEO_FORMAT_RGB: self->deinterlace_frame = klass->deinterlace_frame_rgb; break; case GST_VIDEO_FORMAT_BGR: self->deinterlace_frame = klass->deinterlace_frame_bgr; break; default: self->deinterlace_frame = NULL; break; } }