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Will now negotiate I420, YV12, and RGB
Original commit message from CVS: Will now negotiate I420, YV12, and RGB
This commit is contained in:
David Schleef
parent
463055e531
commit
eea061c98b
2 changed files with 211 additions and 20 deletions
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@ -57,7 +57,11 @@ GST_PAD_TEMPLATE_FACTORY (src_templ,
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GST_CAPS_NEW (
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"videotestsrc_caps",
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"video/raw",
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"format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')),
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"format", GST_PROPS_LIST(
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GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')),
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GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y','V','1','2')),
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GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R','G','B',' '))
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),
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"width", GST_PROPS_INT(640),
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"height", GST_PROPS_INT(480)
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)
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@ -93,7 +97,9 @@ static GstElementClass *parent_class = NULL;
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void gst_videotestsrc_setup (GstVideotestsrc *v);
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static void random_chars(unsigned char *dest, int nbytes);
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static void gst_videotestsrc_random_yuv (GstVideotestsrc *v, unsigned char *dest, int w, int h);
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void gst_videotestsrc_smpte_I420 (GstVideotestsrc *v, unsigned char *dest, int w, int h);
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void gst_videotestsrc_smpte_YV12 (GstVideotestsrc *v, unsigned char *dest, int w, int h);
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void gst_videotestsrc_smpte_RGB (GstVideotestsrc *v, unsigned char *dest, int w, int h);
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GType
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@ -161,7 +167,28 @@ gst_videotestsrc_srcconnect (GstPad *pad, GstCaps *caps)
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gst_caps_get_int (caps, "width", &videotestsrc->width);
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gst_caps_get_int (caps, "height", &videotestsrc->height);
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gst_videotestsrc_setup(videotestsrc);
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GST_DEBUG (0,"format is 0x%08x\n",videotestsrc->format);
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switch(videotestsrc->format){
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case GST_MAKE_FOURCC('R','G','B',' '):
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videotestsrc->make_image = gst_videotestsrc_smpte_RGB;
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videotestsrc->bpp = 16;
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break;
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case GST_MAKE_FOURCC('I','4','2','0'):
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videotestsrc->make_image = gst_videotestsrc_smpte_I420;
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videotestsrc->bpp = 12;
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break;
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case GST_MAKE_FOURCC('Y','U','Y','V'):
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//videotestsrc->make_image = gst_videotestsrc_smpte_YUYV;
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return GST_PAD_CONNECT_REFUSED;
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break;
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case GST_MAKE_FOURCC('Y','V','1','2'):
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videotestsrc->make_image = gst_videotestsrc_smpte_YV12;
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videotestsrc->bpp = 12;
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break;
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default:
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return GST_PAD_CONNECT_REFUSED;
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}
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GST_DEBUG (0,"size %d x %d",videotestsrc->width, videotestsrc->height);
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@ -184,6 +211,14 @@ gst_videotestsrc_init (GstVideotestsrc *videotestsrc)
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gst_pad_set_get_function(videotestsrc->srcpad,gst_videotestsrc_get);
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gst_pad_set_connect_function(videotestsrc->srcpad,gst_videotestsrc_srcconnect);
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#if 0
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"bpp", GST_PROPS_INT(16),
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"depth", GST_PROPS_INT(16),
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"endianness", GST_PROPS_INT(1234),
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"red_mask", GST_PROPS_INT(63488),
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"green_mask", GST_PROPS_INT(2016),
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"blue_mask", GST_PROPS_INT(31),
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#endif
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videotestsrc->width = 640;
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videotestsrc->height = 480;
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@ -206,14 +241,18 @@ gst_videotestsrc_get (GstPad *pad)
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videotestsrc = GST_VIDEOTESTSRC (gst_pad_get_parent (pad));
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#if 0
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/* XXX this is wrong for anything but I420 */
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newsize = videotestsrc->width*videotestsrc->height +
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videotestsrc->width*videotestsrc->height/2;
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#endif
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/* XXX this is wrong for anything but RGB16 */
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newsize = (videotestsrc->width*videotestsrc->height*videotestsrc->bpp)>>3;
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GST_DEBUG(0,"size=%ld %dx%d",newsize,
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videotestsrc->width, videotestsrc->height);
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buf = gst_buffer_new();
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/* XXX this is wrong for anything but I420 */
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GST_BUFFER_SIZE(buf) = newsize;
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GST_BUFFER_DATA(buf) = g_malloc (newsize);
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g_return_val_if_fail(GST_BUFFER_DATA(buf) != NULL, NULL);
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@ -221,7 +260,7 @@ gst_videotestsrc_get (GstPad *pad)
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videotestsrc->timestamp += videotestsrc->interval;
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GST_BUFFER_TIMESTAMP(buf) = videotestsrc->timestamp;
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gst_videotestsrc_random_yuv(videotestsrc, (void *)GST_BUFFER_DATA(buf),
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videotestsrc->make_image(videotestsrc, (void *)GST_BUFFER_DATA(buf),
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videotestsrc->width, videotestsrc->height);
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return buf;
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@ -349,33 +388,56 @@ paint_rect (unsigned char *dest, int stride, int x, int y, int w, int h, unsigne
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}
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}
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static void
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paint_rect2 (unsigned char *dest, int stride, int x, int y, int w, int h, unsigned char *col)
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{
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unsigned char *d = dest + stride*y + x*2;
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unsigned char *dp;
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int i,j;
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for(i=0;i<h;i++){
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dp = d;
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for(j=0;j<w;j++){
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*dp++ = col[0];
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*dp++ = col[1];
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}
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d += stride;
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}
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}
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static void
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paint_rect3 (unsigned char *dest, int stride, int x, int y, int w, int h, unsigned char *col)
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{
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unsigned char *d = dest + stride*y + x*3;
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unsigned char *dp;
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int i,j;
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for(i=0;i<h;i++){
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dp = d;
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for(j=0;j<w;j++){
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*dp++ = col[0];
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*dp++ = col[1];
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*dp++ = col[2];
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}
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d += stride;
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}
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}
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/* wht yel cya grn mag red blu blk -I Q */
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static int y_colors[] = { 255, 226, 179, 150, 105, 76, 29, 16, 16, 0 };
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static int u_colors[] = { 128, 0, 170, 46, 212, 85, 255, 128, 0, 128 };
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static int v_colors[] = { 128, 155, 0, 21, 235, 255, 107, 128, 128, 255 };
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static void
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gst_videotestsrc_random_yuv (GstVideotestsrc *v, unsigned char *dest, int w, int h)
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void
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gst_videotestsrc_smpte_I420 (GstVideotestsrc *v, unsigned char *dest, int w, int h)
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{
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unsigned char *yp = dest;
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unsigned char *up = dest + w*h;
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unsigned char *vp = up + w*h/4;
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unsigned char *vp = dest + w*h + w*h/4;
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//int h24 = h/24;
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//int j,k;
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int i;
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int y1,y2;
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#if 0
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//memset(dest,255,w*h/2);
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random_chars(dest + w*h/2,w*h/2);
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//random_chars(dest + w*h, w*h/4);
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memset(dest + w*h, 128, w*h/4);
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//random_chars(dest + w*h + w*h/4, w*h/4);
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memset(dest + w*h + w*h/4, 128, w*h/4);
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#endif
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y1 = h/3;
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y2 = h*0.375;
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@ -427,3 +489,131 @@ gst_videotestsrc_random_yuv (GstVideotestsrc *v, unsigned char *dest, int w, int
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}
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}
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/* same as I420, but with U and V swapped */
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void
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gst_videotestsrc_smpte_YV12 (GstVideotestsrc *v, unsigned char *dest, int w, int h)
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{
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unsigned char *yp = dest;
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unsigned char *up = dest + w*h + w*h/4;
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unsigned char *vp = dest + w*h;
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//int h24 = h/24;
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//int j,k;
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int i;
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int y1,y2;
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y1 = h/3;
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y2 = h*0.375;
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/* color bars */
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for(i=0;i<7;i++){
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int x1 = i*(w/2)/7;
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int x2 = (i+1)*(w/2)/7;
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paint_rect(yp, w, x1*2, 0, (x2-x1)*2, y1*2, y_colors[i]);
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paint_rect(up, w/2, x1, 0, x2-x1, y1, u_colors[i]);
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paint_rect(vp, w/2, x1, 0, x2-x1, y1, v_colors[i]);
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}
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/* inverse blue bars */
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for(i=0;i<7;i++){
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int x1 = i*(w/2)/7;
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int x2 = (i+1)*(w/2)/7;
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int k;
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if(i&1){
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k = 7;
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}else{
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k = 6-i;
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}
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paint_rect(yp, w, x1*2, y1*2, (x2-x1)*2, (y2-y1)*2, y_colors[k]);
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paint_rect(up, w/2, x1, y1, x2-x1, y2-y1, u_colors[k]);
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paint_rect(vp, w/2, x1, y1, x2-x1, y2-y1, v_colors[k]);
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}
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/* -I, white, Q regions */
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for(i=0;i<3;i++){
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int x1 = i*(w/2)/6;
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int x2 = (i+1)*(w/2)/6;
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int k;
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if(i==0){ k = 8; }
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else if(i==1){ k = 0; }
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else k = 9;
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paint_rect(yp, w, x1*2, y2*2, (x2-x1)*2, h-y2*2, y_colors[k]);
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paint_rect(up, w/2, x1, y2, x2-x1, h/2-y2, u_colors[k]);
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paint_rect(vp, w/2, x1, y2, x2-x1, h/2-y2, v_colors[k]);
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}
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{
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int x1 = 3*(w/2)/6;
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int x2 = w/2;
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paint_rect_random(yp, w, x1*2, y2*2, (x2-x1)*2, h-y2*2);
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paint_rect(up, w/2, x1, y2, x2-x1, h/2-y2, u_colors[0]);
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paint_rect(vp, w/2, x1, y2, x2-x1, h/2-y2, v_colors[0]);
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}
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}
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/* wht yel cya grn mag red blu blk -I Q */
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static int r_colors[] = { 255, 255, 0, 0, 255, 255, 0, 0, 0, 0 };
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static int g_colors[] = { 255, 255, 255, 255, 0, 0, 0, 0, 0, 128 };
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static int b_colors[] = { 255, 0, 255, 0, 255, 0, 255, 0, 128, 255 };
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void
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gst_videotestsrc_smpte_RGB (GstVideotestsrc *v, unsigned char *dest, int w, int h)
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{
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int i;
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int y1,y2;
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y1 = h*2/3;
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y2 = h*0.75;
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/* color bars */
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for(i=0;i<7;i++){
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int x1 = i*w/7;
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int x2 = (i+1)*w/7;
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unsigned char col[2];
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col[0] = (g_colors[i]&0xe0) | (b_colors[i]>>3);
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col[1] = (r_colors[i]&0xf8) | (g_colors[i]>>5);
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paint_rect2(dest, w*2, x1, 0, x2-x1, y1, col);
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}
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/* inverse blue bars */
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for(i=0;i<7;i++){
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int x1 = i*w/7;
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int x2 = (i+1)*w/7;
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unsigned char col[2];
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int k;
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if(i&1){
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k = 7;
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}else{
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k = 6-i;
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}
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col[0] = (g_colors[k]&0xe0) | (b_colors[k]>>3);
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col[1] = (r_colors[k]&0xf8) | (g_colors[k]>>5);
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paint_rect2(dest, w*2, x1, y1, x2-x1, y2-y1, col);
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}
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/* -I, white, Q regions */
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for(i=0;i<3;i++){
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int x1 = i*w/6;
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int x2 = (i+1)*w/6;
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unsigned char col[2];
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int k;
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if(i==0){ k = 8; }
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else if(i==1){ k = 0; }
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else k = 9;
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col[0] = (g_colors[k]&0xe0) | (b_colors[k]>>3);
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col[1] = (r_colors[k]&0xf8) | (g_colors[k]>>5);
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paint_rect2(dest, w*2, x1, y2, x2-x1, h-y2, col);
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}
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{
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int x1 = w/2;
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int x2 = w-1;
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paint_rect_random(dest, w*2, x1*2, y2, (x2-x1)*2, h-y2);
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}
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}
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@ -67,8 +67,9 @@ struct _GstVideotestsrc {
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/* private */
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gint64 timestamp;
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gint64 interval;
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gint bpp;
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guchar *temp;
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void (*make_image)(GstVideotestsrc *v, unsigned char *dest, int w, int h);
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};
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struct _GstVideotestsrcClass {
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