<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On 17 April 2013 08:44, ykzhao <span dir="ltr"><<a href="mailto:yakui.zhao@intel.com" target="_blank">yakui.zhao@intel.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>On Tue, 2013-04-16 at 12:26 -0600, kwisp wrote:<br>
> I use standart libva example<br>
> <a href="http://cgit.freedesktop.org/libva/tree/test/decode/mpeg2vldemo.c" target="_blank">http://cgit.freedesktop.org/libva/tree/test/decode/mpeg2vldemo.c</a><br>
><br>
><br>
> I try retrive image by calling vaDeriveImage after decoding and<br>
> recieve stange VAImage.<br>
><br>
> image.width = 512 image.height = 32 image.data_size=16384<br>
> image.numplanes=2<br>
><br>
> image.format.fourcc = NV11 image.offsets[0] = 0, image.offsets[1] =<br>
> 16384, image.pitches[0] = image.pitches[1] = 512.<br>
><br>
><br>
> If I convert this VAImage data to normaly FOURCC format I see correct<br>
> picture.<br>
><br>
<br>
</div>Will you please describe how you call the vaDeriveImage in your test?<br>
<br>
BTW: Which platform is used?<br>
<div><div> <br></div></div></blockquote></div><br></div><div class="gmail_extra">In mpeg2vldemo.c<br>.....<br> if (putsurface) {<br> VARectangle src_rect, dst_rect;<br> .....<br> va_status = va_put_surface(va_dpy, surface_id, &src_rect, &dst_rect);<br>
CHECK_VASTATUS(va_status, "vaPutSurface");<br> } else {<br><br> VAImage image;<br> VAImageFormat fList[10];<br> int num_formats = 0;<br> va_status= vaQueryImageFormats(va_dpy, fList, &num_formats);<br>
CHECK_VASTATUS(va_status, "vaQueryImageFormats"); <br> printf("%d image formats\n", num_formats);<br> for (int index = 0; index < num_formats; index++ ) {<br> printf("%d - imageFormat: fourcc(%x), byteOrger(%u), bitsPerPixel(%u), depth(%u)"<br>
", redM(%u), greenM(%u), alphaM(%u)\n",index, fList[index].fourcc, fList[index].byte_order<br> , fList[index].bits_per_pixel, fList[index].depth, fList[index].red_mask<br> , fList[index].green_mask, fList[index].alpha_mask);<br>
}<br><br> char comporder[5];<br> memset(comporder, '\0', 5);<br> memcpy(comporder, image.component_order, 4);<br> <br> printf("imageinfo: w:%u, h:%u, data_size:%u, planes:%u, palettes:%u, bytes:%d, comp_order%s, fourcc:%x \n"<br>
,image.width, image.height, image.data_size, image.num_planes, image.num_palette_entries<br> , image.entry_bytes, comporder, image.format.fourcc);<br> for(int i=0; i < 3; i++){<br> printf("pitch[%d]=%u, offset[%d]=%u\n", i, image.pitches[i], i, image.offsets[i]);<br>
}<br><br> VASurfaceStatus status;<br> <br> va_status = vaQuerySurfaceStatus(va_dpy, surface_id, &status);<br> CHECK_VASTATUS(va_status, "vaQuerySurfaceStatus"); <br>
<br> printf("surface status: %d\n", status);<br><br> va_status = vaDeriveImage ( va_dpy, surface_id, &image);<br> CHECK_VASTATUS(va_status, "vaDeriveImage"); <br>
<br> printf("vaDeriveImage\n");<br><br> char* img = NULL;<br><br> va_status = vaMapBuffer(va_dpy, image.buf, (void**)&img);<br> CHECK_VASTATUS(va_status, "vaMapBuffer"); <br>
<br> memset(comporder, '\0', 5);<br> memcpy(comporder, image.component_order, 4);<br> <br> printf("imageinfo: w:%u, h:%u, data_size:%u, planes:%u, palettes:%u, bytes:%d, comp_order%s, fourcc:%x \n"<br>
,image.width, image.height, image.data_size, image.num_planes, image.num_palette_entries<br> , image.entry_bytes, comporder, image.format.fourcc);<br> for(int i=0; i < 3; i++){<br> printf("pitch[%d]=%u, offset[%d]=%u\n", i, image.pitches[i], i, image.offsets[i]);<br>
}<br> <br> int fd = open("/tmp/dump", O_RDWR | O_TRUNC | O_CREAT, S_IRWXU); <br> if(fd == -1) {<br> printf("error to open file \'/tmp/dump\'\n");<br> return -1;<br>
}<br> <br> printf("img:%p, size:%u\n", img, image.data_size);<br> ssize_t s = write(fd, img, image.data_size*1.5);<br> printf("%d bytes written\n", s);<br><br> va_status = vaUnmapBuffer(va_dpy, image.buf);<br>
CHECK_VASTATUS(va_status, "vaUnMapBuffer");<br>}<br></div><div class="gmail_extra"><br></div><div class="gmail_extra">realy WxH of image is 16x16 but vaDeriveImage return 512x32.<br><br></div><div class="gmail_extra">
out is:<br>libva: libva version 0.32.0<br>libva: va_getDriverName() returns 0<br>libva: Trying to open /usr/lib/dri/emgd_drv_video.so<br>Intel(R) Embedded Media and Graphics Driver 1.10 Build 2209<br>libva: va_openDriver() returns 0<br>
3 image formats<br>0 - imageFormat: fourcc(41424752), byteOrger(1), bitsPerPixel(32), depth(32), redM(16711680), greenM(65280), alphaM(4278190080)<br>1 - imageFormat: fourcc(32595559), byteOrger(1), bitsPerPixel(16), depth(0), redM(0), greenM(0), alphaM(0)<br>
2 - imageFormat: fourcc(32315659), byteOrger(1), bitsPerPixel(12), depth(0), redM(0), greenM(0), alphaM(0)<br>imageinfo: w:14, h:0, data_size:3075098360, planes:3073595636, palettes:2195, bytes:-1221371576, comp_order┬q╥, fourcc:bfa809f0 <br>
pitch[0]=4131212846, offset[0]=0<br>pitch[1]=3075553328, offset[1]=0<br>pitch[2]=18, offset[2]=1<br>surface status: 4<br>vaDeriveImage<br>imageinfo: w:512, h:32, data_size:16384, planes:2, palettes:0, bytes:0, comp_orderYUV, fourcc:3231564e <br>
pitch[0]=512, offset[0]=0<br>pitch[1]=512, offset[1]=16384<br>pitch[2]=0, offset[2]=0<br>img:0xb6bf9000, size:16384<br>24576 bytes written<br>press any key to exit<br><br></div><div class="gmail_extra">OS: Linux Debian Squeeze<br>
</div><div class="gmail_extra">Driver: EMGD 1.10<br></div><div class="gmail_extra">Xorg: 1.10<br></div><div class="gmail_extra">What do you whant to know about platform?<br><br></div><div class="gmail_extra">-- <br>-----------------------------------------<br>
С Уважением, Клочков В.В.<br>mailto: <a href="mailto:kwispost@gmail.com" target="_blank">kwispost@gmail.com</a>
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