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hwdec_drmprime: support yuv420p format

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H264 hardware decode with v4l2m2m wasn't working on the RPi 4. Mpv would
report the image format (yuv420p) wasn't supported. The change to
hwdec_drmprime.c is to explicitly say that the format now is supported.
The change to dmabuf_interop_gl.c is to specify the colour format of the
planes before generating egl images. These changes were tested on a Pi 4
with this fork of ffmpeg: https://github.com/jc-kynesim/rpi-ffmpeg.

Signed-off-by: EmperorPenguin18 <60635017+EmperorPenguin18@users.noreply.github.com>
This commit is contained in:
EmperorPenguin18 2022-12-10 17:32:10 -05:00 committed by Philip Langdale
parent 2fa1e7d0b4
commit cf349d68e3
2 changed files with 6 additions and 0 deletions
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5
video/out/hwdec/dmabuf_interop_gl.c
View File

@ -180,6 +180,11 @@ static bool vaapi_gl_map(struct ra_hwdec_mapper *mapper,
format[0] = DRM_FORMAT_R8;
format[1] = DRM_FORMAT_GR88;
break;
case DRM_FORMAT_YUV420:
format[0] = DRM_FORMAT_R8;
format[1] = DRM_FORMAT_R8;
format[2] = DRM_FORMAT_R8;
break;
case DRM_FORMAT_P010:
format[0] = DRM_FORMAT_R16;
format[1] = DRM_FORMAT_GR1616;

1
video/out/hwdec/hwdec_drmprime.c
View File

@ -115,6 +115,7 @@ static int init(struct ra_hwdec *hw)
*/
int num_formats = 0;
MP_TARRAY_APPEND(p, p->formats, num_formats, IMGFMT_NV12);
MP_TARRAY_APPEND(p, p->formats, num_formats, IMGFMT_420P);
MP_TARRAY_APPEND(p, p->formats, num_formats, 0); // terminate it
p->hwctx.hw_imgfmt = IMGFMT_DRMPRIME;