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v4l2codecs: Enable 32x32 tiled NV12 support

Browse source 
This is used by Cedrus driver to support Allwinner VPU, also known as the
sunxi platforms.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1437>
This commit is contained in:
Nicolas Dufresne 2020-07-14 21:49:33 -04:00 committed by GStreamer Merge Bot
parent 99a0615592
commit 7b3c101ced
3 changed files with 31 additions and 7 deletions
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2
sys/v4l2codecs/gstv4l2codech264dec.c
View file

@ -46,7 +46,7 @@ GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SINK_NAME,
static GstStaticPadTemplate src_template =
GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SRC_NAME,
GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, YUY2 }")));
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, YUY2, NV12_32L32 }")));
struct _GstV4l2CodecH264Dec
{

2
sys/v4l2codecs/gstv4l2codecvp8dec.c
View file

@ -44,7 +44,7 @@ GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SINK_NAME,
static GstStaticPadTemplate src_template =
GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SRC_NAME,
GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, YUY2 }")));
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, YUY2, NV12_32L32 }")));
struct _GstV4l2CodecVp8Dec
{

34
sys/v4l2codecs/gstv4l2format.c
View file

@ -34,6 +34,7 @@ struct FormatEntry
static struct FormatEntry format_map[] = {
{V4L2_PIX_FMT_NV12, 1, GST_VIDEO_FORMAT_NV12, 8, 420},
{V4L2_PIX_FMT_YUYV, 1, GST_VIDEO_FORMAT_YUY2, 8, 422},
{V4L2_PIX_FMT_SUNXI_TILED_NV12, 1, GST_VIDEO_FORMAT_NV12_32L32, 8, 422},
{0,}
};
@ -76,11 +77,12 @@ extrapolate_stride (const GstVideoFormatInfo * finfo, gint plane, gint stride)
switch (finfo->format) {
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV12_32L32:
case GST_VIDEO_FORMAT_NV12_64Z32:
case GST_VIDEO_FORMAT_NV21:
case GST_VIDEO_FORMAT_NV16:
case GST_VIDEO_FORMAT_NV61:
case GST_VIDEO_FORMAT_NV21:
case GST_VIDEO_FORMAT_NV24:
case GST_VIDEO_FORMAT_NV61:
estride = (plane == 0 ? 1 : 2) *
GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (finfo, plane, stride);
break;
@ -92,9 +94,31 @@ extrapolate_stride (const GstVideoFormatInfo * finfo, gint plane, gint stride)
return estride;
}
static void
set_stride (GstVideoInfo * info, gint plane, gint stride)
{
const GstVideoFormatInfo *finfo = info->finfo;
if (GST_VIDEO_FORMAT_INFO_IS_TILED (finfo)) {
gint x_tiles, y_tiles, ws, hs, padded_height;
ws = GST_VIDEO_FORMAT_INFO_TILE_WS (finfo);
hs = GST_VIDEO_FORMAT_INFO_TILE_HS (finfo);
padded_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (finfo, plane,
info->height);
padded_height = GST_ROUND_UP_N (padded_height, 1 << hs);
x_tiles = stride >> ws;
y_tiles = padded_height >> hs;
info->stride[plane] = GST_VIDEO_TILE_MAKE_STRIDE (x_tiles, y_tiles);
} else {
info->stride[plane] = stride;
}
}
gboolean
gst_v4l2_format_to_video_info (struct v4l2_format * fmt,
GstVideoInfo * out_info)
gst_v4l2_format_to_video_info (struct v4l2_format *fmt, GstVideoInfo * out_info)
{
struct FormatEntry *entry = lookup_v4l2_fmt (fmt->fmt.pix_mp.pixelformat);
struct v4l2_pix_format_mplane *pix_mp = &fmt->fmt.pix_mp;
@ -131,7 +155,7 @@ gst_v4l2_format_to_video_info (struct v4l2_format * fmt,
else
stride = extrapolate_stride (out_info->finfo, plane, pix->bytesperline);
out_info->stride[plane] = stride;
set_stride (out_info, plane, stride);
out_info->offset[plane] = offset;
offset += stride * GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (out_info->finfo,