[PATCH v1 02/18] media: hantro: Define HEVC codec profiles and supported features
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2021-02-17 08:06:55
Also in:
linux-arm-kernel, linux-media, linux-rockchip, lkml
Subsystem:
media input infrastructure (v4l/dvb), staging subsystem, the rest · Maintainers:
Mauro Carvalho Chehab, Greg Kroah-Hartman, Linus Torvalds
Define which HEVC profiles (up to level 5.1) and features (no scaling, no 10 bits) are supported by the driver. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Signed-off-by: Ezequiel Garcia <redacted> Signed-off-by: Adrian Ratiu <redacted> --- drivers/staging/media/hantro/hantro.h | 2 + drivers/staging/media/hantro/hantro_drv.c | 63 +++++++++++++++++++++++ 2 files changed, 65 insertions(+)
diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
index 65f9f7ea7dcf..bde65231f22f 100644
--- a/drivers/staging/media/hantro/hantro.h
+++ b/drivers/staging/media/hantro/hantro.h@@ -99,6 +99,7 @@ struct hantro_variant { * @HANTRO_MODE_H264_DEC: H264 decoder. * @HANTRO_MODE_MPEG2_DEC: MPEG-2 decoder. * @HANTRO_MODE_VP8_DEC: VP8 decoder. + * @HANTRO_MODE_HEVC_DEC: HEVC decoder. */ enum hantro_codec_mode { HANTRO_MODE_NONE = -1,
@@ -106,6 +107,7 @@ enum hantro_codec_mode { HANTRO_MODE_H264_DEC, HANTRO_MODE_MPEG2_DEC, HANTRO_MODE_VP8_DEC, + HANTRO_MODE_HEVC_DEC, }; /*
diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index e5f200e64993..0d58209fc55c 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c@@ -243,6 +243,18 @@ static int hantro_try_ctrl(struct v4l2_ctrl *ctrl) if (sps->bit_depth_luma_minus8 != 0) /* Only 8-bit is supported */ return -EINVAL; + } else if (ctrl->id == V4L2_CID_MPEG_VIDEO_HEVC_SPS) { + const struct v4l2_ctrl_hevc_sps *sps = ctrl->p_new.p_hevc_sps; + + if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8) + /* Luma and chroma bit depth mismatch */ + return -EINVAL; + if (sps->bit_depth_luma_minus8 != 0) + /* Only 8-bit is supported */ + return -EINVAL; + if (sps->flags & V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED) + /* No scaling support */ + return -EINVAL; } return 0; }
@@ -349,6 +361,57 @@ static const struct hantro_ctrl controls[] = { .def = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN, } }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE, + .min = V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED, + .max = V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED, + .def = V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED, + }, + }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_START_CODE, + .min = V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B, + .max = V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B, + .def = V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B, + }, + }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_PROFILE, + .min = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN, + .max = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10, + .def = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN, + }, + }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_LEVEL, + .min = V4L2_MPEG_VIDEO_HEVC_LEVEL_1, + .max = V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1, + }, + }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_SPS, + .ops = &hantro_ctrl_ops, + }, + }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_PPS, + }, + }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX, + }, + }, { + .codec = HANTRO_HEVC_DECODER, + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS, + }, }, };
--
2.25.1