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v4l2codecs: Support YUV420M format

Browse source 
YUV420M format of V4L essentially is I420 with separate memory planes.
It's used by NVIDIA Tegra V4L decoder. Support this format by v4l2codecs.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1727>
This commit is contained in:
Dmitry Osipenko 2022-02-14 23:30:45 +03:00
parent b0f72ed788
commit 248f143fa3
2 changed files with 2 additions and 1 deletions
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1
subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2format.c
View file

@ -37,6 +37,7 @@ static struct FormatEntry format_map[] = {
{V4L2_PIX_FMT_SUNXI_TILED_NV12, 1, GST_VIDEO_FORMAT_NV12_32L32, 8, 422}, {V4L2_PIX_FMT_SUNXI_TILED_NV12, 1, GST_VIDEO_FORMAT_NV12_32L32, 8, 422},
{V4L2_PIX_FMT_NV12_4L4, 1, GST_VIDEO_FORMAT_NV12_4L4, 8, 420}, {V4L2_PIX_FMT_NV12_4L4, 1, GST_VIDEO_FORMAT_NV12_4L4, 8, 420},
{V4L2_PIX_FMT_MM21, 2, GST_VIDEO_FORMAT_NV12_16L32S, 8, 420}, {V4L2_PIX_FMT_MM21, 2, GST_VIDEO_FORMAT_NV12_16L32S, 8, 420},
{V4L2_PIX_FMT_YUV420M, 3, GST_VIDEO_FORMAT_I420, 8, 420},
{0,} {0,}
}; };

2
subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2format.h
View file

@ -24,7 +24,7 @@
#include <gst/video/video.h> #include <gst/video/video.h>
#include "linux/videodev2.h" #include "linux/videodev2.h"
#define GST_V4L2_DEFAULT_VIDEO_FORMATS "{ NV12, YUY2, NV12_4L4, NV12_32L32, NV12_16L32S }" #define GST_V4L2_DEFAULT_VIDEO_FORMATS "{ NV12, YUY2, NV12_4L4, NV12_32L32, NV12_16L32S, I420 }"
gboolean gst_v4l2_format_to_video_info (struct v4l2_format * fmt, gboolean gst_v4l2_format_to_video_info (struct v4l2_format * fmt,
GstVideoInfo * out_info); GstVideoInfo * out_info);