Re: [v9] media: mediatek: vcodec: support stateless AV1 decoder

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Il 12/04/23 14:22, Hans Verkuil ha scritto:
On 12/04/2023 05:30, Xiaoyong Lu wrote:
Add mediatek av1 decoder linux driver which use the stateless API in
MT8195.

Signed-off-by: Xiaoyong Lu<xiaoyong.lu@xxxxxxxxxxxx>
Tested-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

Hmm, I get this compile error:

drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c: In function ‘vdec_av1_slice_setup_uh’:
drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c:48:58: error: ‘V4L2_AV1_FRAME_FLAG_UNIFORM_TILE_SPACING’ undeclared (first use in this function); did you mean
‘V4L2_AV1_TILE_INFO_FLAG_UNIFORM_TILE_SPACING’?
    48 | #define FH_FLAG(x, name)                (!!((x)->flags & V4L2_AV1_FRAME_FLAG_##name))
       |                                                          ^~~~~~~~~~~~~~~~~~~~
drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c:1322:41: note: in expansion of macro ‘FH_FLAG’
  1322 |         uh->uniform_tile_spacing_flag = FH_FLAG(ctrl_fh, UNIFORM_TILE_SPACING);
       |                                         ^~~~~~~
drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c:48:58: note: each undeclared identifier is reported only once for each function it appears in
    48 | #define FH_FLAG(x, name)                (!!((x)->flags & V4L2_AV1_FRAME_FLAG_##name))
       |                                                          ^~~~~~~~~~~~~~~~~~~~
drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c:1322:41: note: in expansion of macro ‘FH_FLAG’
  1322 |         uh->uniform_tile_spacing_flag = FH_FLAG(ctrl_fh, UNIFORM_TILE_SPACING);
       |                                         ^~~~~~~

This flag was renamed from V4L2_AV1_FRAME_FLAG_UNIFORM_TILE_SPACING to
V4L2_AV1_TILE_INFO_FLAG_UNIFORM_TILE_SPACING in v5 of the AV1 uAPI.

So this suggests to me that you are testing with an old version of the AV1
uAPI. The correct one is v7:

https://patchwork.linuxtv.org/project/linux-media/patch/20230306161850.492072-1-daniel.almeida@xxxxxxxxxxxxx/

You have to compile and test with that v7 patch since that's the version we
want to merge.

I was about to say the same.

Please Xiaoyong, update your patch and resend.

Thanks,
Angelo




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