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video4linux2: Add MM21 support

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This enables mtk-vcodec and MDP driver from mainline Linux kernel.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1567>
This commit is contained in:
Nicolas Dufresne 2022-01-25 14:34:32 -05:00 committed by GStreamer Marge Bot
parent bab9041c4b
commit ec9585d148
1 changed files with 14 additions and 1 deletions
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15
subprojects/gst-plugins-good/sys/v4l2/gstv4l2object.c
View file

@ -160,6 +160,7 @@ static const GstV4L2FormatDesc gst_v4l2_formats[] = {
{V4L2_PIX_FMT_NV61M, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV24, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV42, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_MM21, TRUE, GST_V4L2_RAW},
/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
{V4L2_PIX_FMT_SBGGR8, TRUE, GST_V4L2_RAW},
@ -1067,6 +1068,7 @@ gst_v4l2_object_format_get_rank (const struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_NV61: /* 16 Y/CrCb 4:2:2 */
case V4L2_PIX_FMT_NV61M: /* Same as NV61 */
case V4L2_PIX_FMT_NV24: /* 24 Y/CrCb 4:4:4 */
case V4L2_PIX_FMT_MM21: /* NV12 Y 16x32, UV 16x16 tile */
rank = YUV_ODD_BASE_RANK;
break;
@ -1343,6 +1345,9 @@ gst_v4l2_object_v4l2fourcc_to_video_format (guint32 fourcc)
case V4L2_PIX_FMT_NV12MT:
format = GST_VIDEO_FORMAT_NV12_64Z32;
break;
case V4L2_PIX_FMT_MM21:
format = GST_VIDEO_FORMAT_NV12_16L32S;
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV21M:
format = GST_VIDEO_FORMAT_NV21;
@ -1511,6 +1516,7 @@ gst_v4l2_object_v4l2fourcc_to_bare_struct (guint32 fourcc)
case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV12MT:
case V4L2_PIX_FMT_MM21:
case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
case V4L2_PIX_FMT_NV21M:
case V4L2_PIX_FMT_NV16: /* 16 Y/CbCr 4:2:2 */
@ -1791,6 +1797,9 @@ gst_v4l2_object_get_caps_info (GstV4l2Object * v4l2object, GstCaps * caps,
case GST_VIDEO_FORMAT_NV12_64Z32:
fourcc_nc = V4L2_PIX_FMT_NV12MT;
break;
case GST_VIDEO_FORMAT_NV12_16L32S:
fourcc_nc = V4L2_PIX_FMT_MM21;
break;
case GST_VIDEO_FORMAT_NV21:
fourcc = V4L2_PIX_FMT_NV21;
fourcc_nc = V4L2_PIX_FMT_NV21M;
@ -3172,9 +3181,13 @@ gst_v4l2_object_set_stride (GstVideoInfo * info, GstVideoAlignment * align,
if (GST_VIDEO_FORMAT_INFO_IS_TILED (finfo)) {
gint x_tiles, y_tiles, ws, hs, tile_height, padded_height;
ws = GST_VIDEO_FORMAT_INFO_TILE_WS (finfo);
hs = GST_VIDEO_FORMAT_INFO_TILE_HS (finfo);
/* this only works for what we support, NV12 subsampled tiles */
if (GST_VIDEO_FORMAT_INFO_HAS_SUBTILES (finfo) && plane == 1)
hs -= 1;
tile_height = 1 << hs;
padded_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (finfo, plane,