mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-27 04:01:08 +00:00
Code Issues 1 Projects Releases Wiki Activity

videotestsrc: use video library palette

Browse source 
Use the palette provided and used by the video library instead of making our own
copy.
This commit is contained in:
Wim Taymans 2013-02-05 11:20:20 +01:00
parent 0085a77919
commit ebf24e292e
2 changed files with 5 additions and 35 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
gst/videotestsrc/gstvideotestsrc.c
View file

@ -654,28 +654,6 @@ gst_video_test_src_decide_allocation (GstBaseSrc * bsrc, GstQuery * query)
return GST_BASE_SRC_CLASS (parent_class)->decide_allocation (bsrc, query);
}
static void
fill_palette_RGB8P (guint32 * palette)
{
/* build poor man's palette, taken from ffmpegcolorspace */
static const guint8 pal_value[6] = { 0x00, 0x33, 0x66, 0x99, 0xcc, 0xff };
gint i, r, g, b;
i = 0;
for (r = 0; r < 6; r++) {
for (g = 0; g < 6; g++) {
for (b = 0; b < 6; b++) {
palette[i++] =
(0xffU << 24) | (pal_value[r] << 16) | (pal_value[g] << 8) |
pal_value[b];
}
}
}
palette[i++] = 0; /* 100% transparent, i == 6*6*6 */
while (i < 256)
palette[i++] = 0xff000000;
}
static gboolean
gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
@ -721,19 +699,11 @@ gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
g_free (videotestsrc->tmpline2);
g_free (videotestsrc->tmpline_u8);
g_free (videotestsrc->tmpline_u16);
g_free (videotestsrc->palette);
videotestsrc->tmpline_u8 = g_malloc (info.width + 8);
videotestsrc->tmpline = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline2 = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline_u16 = g_malloc ((info.width + 16) * 8);
if (GST_VIDEO_INFO_FORMAT (&info) == GST_VIDEO_FORMAT_RGB8P) {
videotestsrc->palette = g_new (guint32, 256);
fill_palette_RGB8P (videotestsrc->palette);
} else {
videotestsrc->palette = NULL;
}
videotestsrc->accum_rtime += videotestsrc->running_time;
videotestsrc->accum_frames += videotestsrc->n_frames;
@ -847,6 +817,8 @@ gst_video_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
GstVideoTestSrc *src;
GstClockTime next_time;
GstVideoFrame frame;
gpointer pal;
gsize palsize;
src = GST_VIDEO_TEST_SRC (psrc);
@ -866,8 +838,9 @@ gst_video_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
src->make_image (src, &frame);
if (src->palette) {
memcpy (GST_VIDEO_FRAME_PLANE_DATA (&frame, 1), src->palette, 256 * 4);
if ((pal = gst_video_format_get_palette (GST_VIDEO_FRAME_FORMAT (&frame),
&palsize))) {
memcpy (GST_VIDEO_FRAME_PLANE_DATA (&frame, 1), pal, palsize);
}
gst_video_frame_unmap (&frame);
@ -943,8 +916,6 @@ gst_video_test_src_stop (GstBaseSrc * basesrc)
src->tmpline_u8 = NULL;
g_free (src->tmpline_u16);
src->tmpline_u16 = NULL;
g_free (src->palette);
src->palette = NULL;
return TRUE;
}

1
gst/videotestsrc/gstvideotestsrc.h
View file

@ -162,7 +162,6 @@ struct _GstVideoTestSrc {
gint horizontal_speed;
void (*make_image) (GstVideoTestSrc *v, GstVideoFrame *frame);
guint32 *palette;
/* temporary AYUV/ARGB scanline */
guint8 *tmpline_u8;