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videobox: Add const qualifier to the source frame data

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This commit is contained in:
Sebastian Dröge 2010-03-21 20:14:19 +01:00
parent b1f3e4d0cf
commit cd6b4214a6
1 changed files with 17 additions and 12 deletions
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29
gst/videobox/gstvideobox.c
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@ -580,7 +580,7 @@ static const guint8 yuv_colors_U[VIDEO_BOX_FILL_LAST] = { 128, 46, 255 };
static const guint8 yuv_colors_V[VIDEO_BOX_FILL_LAST] = { 128, 21, 107 }; static const guint8 yuv_colors_V[VIDEO_BOX_FILL_LAST] = { 128, 21, 107 };
static void static void
gst_video_box_copy_plane_i420 (GstVideoBox * video_box, guint8 * src, gst_video_box_copy_plane_i420 (GstVideoBox * video_box, const guint8 * src,
guint8 * dest, gint br, gint bl, gint bt, gint bb, gint src_crop_width, guint8 * dest, gint br, gint bl, gint bt, gint bb, gint src_crop_width,
gint src_crop_height, gint src_stride, gint dest_width, gint dest_stride, gint src_crop_height, gint src_stride, gint dest_width, gint dest_stride,
guint8 fill_color) guint8 fill_color)
@ -617,11 +617,12 @@ gst_video_box_apply_alpha (guint8 * dest, guint8 alpha)
} }
static void static void
gst_video_box_ayuv_ayuv (GstVideoBox * video_box, guint8 * src, guint8 * dest) gst_video_box_ayuv_ayuv (GstVideoBox * video_box, const guint8 * src,
guint8 * dest)
{ {
gint dblen = video_box->out_height * video_box->out_width; gint dblen = video_box->out_height * video_box->out_width;
guint32 *destb = (guint32 *) dest; guint32 *destb = (guint32 *) dest;
guint32 *srcb = (guint32 *) src; const guint32 *srcb = (const guint32 *) src;
guint8 b_alpha = (guint8) (video_box->border_alpha * 255); guint8 b_alpha = (guint8) (video_box->border_alpha * 255);
guint8 i_alpha = (guint8) (video_box->alpha * 255); guint8 i_alpha = (guint8) (video_box->alpha * 255);
gint br, bl, bt, bb, crop_w, crop_h; gint br, bl, bt, bb, crop_w, crop_h;
@ -670,7 +671,7 @@ gst_video_box_ayuv_ayuv (GstVideoBox * video_box, guint8 * src, guint8 * dest)
if (crop_h <= 0 || crop_w <= 0) { if (crop_h <= 0 || crop_w <= 0) {
oil_splat_u32_ns (destb, &empty_pixel, dblen); oil_splat_u32_ns (destb, &empty_pixel, dblen);
} else { } else {
guint32 *src_loc = srcb; const guint32 *src_loc = srcb;
/* Top border */ /* Top border */
if (bt < 0) { if (bt < 0) {
@ -740,7 +741,8 @@ UVceil (gint j)
} }
static void static void
gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest) gst_video_box_ayuv_i420 (GstVideoBox * video_box, const guint8 * src,
guint8 * dest)
{ {
gint br, bl, bt, bb, crop_w, crop_h, rest; gint br, bl, bt, bb, crop_w, crop_h, rest;
gint Ysize, Usize, Vsize; gint Ysize, Usize, Vsize;
@ -833,10 +835,10 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
oil_splat_u8_ns (Vdest, (guint8 *) & empty_px_values[2], Vsize); oil_splat_u8_ns (Vdest, (guint8 *) & empty_px_values[2], Vsize);
} else { } else {
gboolean sumbuff = FALSE; gboolean sumbuff = FALSE;
guint32 *src_loc1; const guint32 *src_loc1;
gint a = 0; gint a = 0;
src_loc1 = (guint32 *) src; src_loc1 = (const guint32 *) src;
if (bt < 0) { if (bt < 0) {
oil_splat_u8_ns (Ydest, (guint8 *) & empty_px_values[0], (-bt) * Ywidth); oil_splat_u8_ns (Ydest, (guint8 *) & empty_px_values[0], (-bt) * Ywidth);
@ -1000,9 +1002,10 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
} }
static void static void
gst_video_box_i420_ayuv (GstVideoBox * video_box, guint8 * src, guint8 * dest) gst_video_box_i420_ayuv (GstVideoBox * video_box, const guint8 * src,
guint8 * dest)
{ {
guint8 *srcY, *srcU, *srcV; const guint8 *srcY, *srcU, *srcV;
gint crop_width, crop_width2, crop_height; gint crop_width, crop_width2, crop_height;
gint out_width, out_height; gint out_width, out_height;
gint src_stridey, src_strideu, src_stridev; gint src_stridey, src_strideu, src_stridev;
@ -1114,9 +1117,10 @@ gst_video_box_i420_ayuv (GstVideoBox * video_box, guint8 * src, guint8 * dest)
static void static void
gst_video_box_i420_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest) gst_video_box_i420_i420 (GstVideoBox * video_box, const guint8 * src,
guint8 * dest)
{ {
guint8 *srcY, *srcU, *srcV; const guint8 *srcY, *srcU, *srcV;
guint8 *destY, *destU, *destV; guint8 *destY, *destU, *destV;
gint crop_width, crop_height; gint crop_width, crop_height;
gint out_width, out_height; gint out_width, out_height;
@ -1210,7 +1214,8 @@ gst_video_box_transform (GstBaseTransform * trans, GstBuffer * in,
GstBuffer * out) GstBuffer * out)
{ {
GstVideoBox *video_box = GST_VIDEO_BOX (trans); GstVideoBox *video_box = GST_VIDEO_BOX (trans);
guint8 *indata, *outdata; const guint8 *indata;
guint8 *outdata;
GstClockTime timestamp, stream_time; GstClockTime timestamp, stream_time;
timestamp = GST_BUFFER_TIMESTAMP (in); timestamp = GST_BUFFER_TIMESTAMP (in);