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smpte: get size, stride info using VideoInfo

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Use VideoInfo data to get size stride and
offset, instead of hard coded macros.

https://bugzilla.gnome.org/show_bug.cgi?id=754558
This commit is contained in:
Ravi Kiran K N 2015-09-04 14:24:45 +05:30 committed by Sebastian Dröge
parent 61e3c48ad1
commit b71068e42d
1 changed files with 9 additions and 21 deletions
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30
gst/smpte/gstsmpte.c
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@ -97,18 +97,6 @@ enum
PROP_INVERT
};
/* FIXME: should use video meta etc. */
#define I420_Y_ROWSTRIDE(width) (GST_ROUND_UP_4(width))
#define I420_U_ROWSTRIDE(width) (GST_ROUND_UP_8(width)/2)
#define I420_V_ROWSTRIDE(width) ((GST_ROUND_UP_8(I420_Y_ROWSTRIDE(width)))/2)
#define I420_Y_OFFSET(w,h) (0)
#define I420_U_OFFSET(w,h) (I420_Y_OFFSET(w,h)+(I420_Y_ROWSTRIDE(w)*GST_ROUND_UP_2(h)))
#define I420_V_OFFSET(w,h) (I420_U_OFFSET(w,h)+(I420_U_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
#define I420_SIZE(w,h) (I420_V_OFFSET(w,h)+(I420_V_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
#define GST_TYPE_SMPTE_TRANSITION_TYPE (gst_smpte_transition_type_get_type())
static GType
gst_smpte_transition_type_get_type (void)
@ -219,13 +207,13 @@ static const int u_colors[] = { 128, 0, 170, 46, 212, 85, 255, 128, 0, 128 };
static const int v_colors[] = { 128, 155, 0, 21, 235, 255, 107, 128, 128, 255 };
static void
fill_i420 (guint8 * data, gint width, gint height, gint color)
fill_i420 (GstVideoInfo * vinfo, guint8 * data, gint height, gint color)
{
gint size = I420_Y_ROWSTRIDE (width) * GST_ROUND_UP_2 (height);
gint size = GST_VIDEO_INFO_COMP_STRIDE (vinfo, 0) * GST_ROUND_UP_2 (height);
gint size4 = size >> 2;
guint8 *yp = data;
guint8 *up = data + I420_U_OFFSET (width, height);
guint8 *vp = data + I420_V_OFFSET (width, height);
guint8 *up = data + GST_VIDEO_INFO_COMP_OFFSET (vinfo, 1);
guint8 *vp = data + GST_VIDEO_INFO_COMP_OFFSET (vinfo, 2);
memset (yp, y_colors[color], size);
memset (up, u_colors[color], size4);
@ -499,21 +487,21 @@ gst_smpte_collected (GstCollectPads * pads, GstSMPTE * smpte)
if (in1 == NULL) {
/* if no input, make picture black */
in1 = gst_buffer_new_and_alloc (I420_SIZE (smpte->width, smpte->height));
in1 = gst_buffer_new_and_alloc (GST_VIDEO_INFO_SIZE (&smpte->vinfo1));
gst_buffer_map (in1, &map, GST_MAP_WRITE);
fill_i420 (map.data, smpte->width, smpte->height, 7);
fill_i420 (&smpte->vinfo1, map.data, smpte->height, 7);
gst_buffer_unmap (in1, &map);
}
if (in2 == NULL) {
/* if no input, make picture white */
in2 = gst_buffer_new_and_alloc (I420_SIZE (smpte->width, smpte->height));
in2 = gst_buffer_new_and_alloc (GST_VIDEO_INFO_SIZE (&smpte->vinfo2));
gst_buffer_map (in2, &map, GST_MAP_WRITE);
fill_i420 (map.data, smpte->width, smpte->height, 0);
fill_i420 (&smpte->vinfo2, map.data, smpte->height, 0);
gst_buffer_unmap (in2, &map);
}
if (smpte->position < smpte->end_position) {
outbuf = gst_buffer_new_and_alloc (I420_SIZE (smpte->width, smpte->height));
outbuf = gst_buffer_new_and_alloc (GST_VIDEO_INFO_SIZE (&smpte->vinfo1));
/* set caps if not done yet */
if (!gst_pad_has_current_caps (smpte->srcpad)) {