diff options
| -rw-r--r-- | drivers/media/platform/coda/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 25 | ||||
| -rw-r--r-- | drivers/media/platform/coda/coda-mpeg2.c | 44 | ||||
| -rw-r--r-- | drivers/media/platform/coda/coda.h | 6 |
4 files changed, 76 insertions, 1 deletions
diff --git a/drivers/media/platform/coda/Makefile b/drivers/media/platform/coda/Makefile index 69afa0ca3ddc..54e9a73a92ab 100644 --- a/drivers/media/platform/coda/Makefile +++ b/drivers/media/platform/coda/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only -coda-objs := coda-common.o coda-bit.o coda-gdi.o coda-h264.o coda-mpeg4.o coda-jpeg.o +coda-objs := coda-common.o coda-bit.o coda-gdi.o coda-h264.o coda-mpeg2.o coda-mpeg4.o coda-jpeg.o obj-$(CONFIG_VIDEO_CODA) += coda.o obj-$(CONFIG_VIDEO_IMX_VDOA) += imx-vdoa.o diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index 5f9aa49684f1..8164512464a6 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1590,6 +1590,15 @@ void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc, profile = coda_h264_profile(profile_idc); level = coda_h264_level(level_idc); break; + case V4L2_PIX_FMT_MPEG2: + codec_name = "MPEG-2"; + profile_cid = V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE; + level_cid = V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL; + profile_ctrl = ctx->mpeg2_profile_ctrl; + level_ctrl = ctx->mpeg2_level_ctrl; + profile = coda_mpeg2_profile(profile_idc); + level = coda_mpeg2_level(level_idc); + break; case V4L2_PIX_FMT_MPEG4: codec_name = "MPEG-4"; profile_cid = V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE; @@ -1949,6 +1958,8 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: ctx->params.mpeg4_inter_qp = ctrl->val; break; + case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE: + case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL: case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: /* nothing to do, these are fixed */ @@ -2129,6 +2140,20 @@ static void coda_decode_ctrls(struct coda_ctx *ctx) if (ctx->h264_level_ctrl) ctx->h264_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + ctx->mpeg2_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls, + &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE, + V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH, 0, + V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH); + if (ctx->mpeg2_profile_ctrl) + ctx->mpeg2_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + ctx->mpeg2_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls, + &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL, + V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH, 0, + V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH); + if (ctx->mpeg2_level_ctrl) + ctx->mpeg2_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + ctx->mpeg4_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE, V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY, 0, diff --git a/drivers/media/platform/coda/coda-mpeg2.c b/drivers/media/platform/coda/coda-mpeg2.c new file mode 100644 index 000000000000..73e50dabce19 --- /dev/null +++ b/drivers/media/platform/coda/coda-mpeg2.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Coda multi-standard codec IP - MPEG-2 helper functions + * + * Copyright (C) 2019 Pengutronix, Philipp Zabel + */ + +#include <linux/kernel.h> +#include <linux/videodev2.h> +#include "coda.h" + +int coda_mpeg2_profile(int profile_idc) +{ + switch (profile_idc) { + case 5: + return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SIMPLE; + case 4: + return V4L2_MPEG_VIDEO_MPEG2_PROFILE_MAIN; + case 3: + return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SNR_SCALABLE; + case 2: + return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SPATIALLY_SCALABLE; + case 1: + return V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH; + default: + return -EINVAL; + } +} + +int coda_mpeg2_level(int level_idc) +{ + switch (level_idc) { + case 10: + return V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW; + case 8: + return V4L2_MPEG_VIDEO_MPEG2_LEVEL_MAIN; + case 6: + return V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH_1440; + case 4: + return V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH; + default: + return -EINVAL; + } +} diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h index d8c8b3777db8..5c1a105ffdd2 100644 --- a/drivers/media/platform/coda/coda.h +++ b/drivers/media/platform/coda/coda.h @@ -122,6 +122,8 @@ struct coda_params { s8 h264_chroma_qp_index_offset; u8 h264_profile_idc; u8 h264_level_idc; + u8 mpeg2_profile_idc; + u8 mpeg2_level_idc; u8 mpeg4_intra_qp; u8 mpeg4_inter_qp; u8 gop_size; @@ -217,6 +219,8 @@ struct coda_ctx { struct v4l2_ctrl_handler ctrls; struct v4l2_ctrl *h264_profile_ctrl; struct v4l2_ctrl *h264_level_ctrl; + struct v4l2_ctrl *mpeg2_profile_ctrl; + struct v4l2_ctrl *mpeg2_level_ctrl; struct v4l2_ctrl *mpeg4_profile_ctrl; struct v4l2_ctrl *mpeg4_level_ctrl; struct v4l2_fh fh; @@ -330,6 +334,8 @@ int coda_sps_parse_profile(struct coda_ctx *ctx, struct vb2_buffer *vb); int coda_h264_sps_fixup(struct coda_ctx *ctx, int width, int height, char *buf, int *size, int max_size); +int coda_mpeg2_profile(int profile_idc); +int coda_mpeg2_level(int level_idc); int coda_mpeg4_profile(int profile_idc); int coda_mpeg4_level(int level_idc); |