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[media] s5p-mfc: Add support for VP8 encoder

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MFC v7 supports VP8 encoding and this patch adds support
for it in the driver.

Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Arun Kumar K 2013-07-09 01:24:42 -03:00 committed by Mauro Carvalho Chehab
parent bc9028e1d3
commit 3a9677063f
4 changed files with 200 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
View File

@ -108,6 +108,9 @@ static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
case S5P_MFC_CODEC_H263_ENC:
codec_type = S5P_FIMV_CODEC_H263_ENC_V6;
break;
case S5P_MFC_CODEC_VP8_ENC:
codec_type = S5P_FIMV_CODEC_VP8_ENC_V7;
break;
default:
codec_type = S5P_FIMV_CODEC_NONE_V6;
};

19
drivers/media/platform/s5p-mfc/s5p_mfc_common.h
View File

@ -65,7 +65,7 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
#define MFC_ENC_CAP_PLANE_COUNT 1
#define MFC_ENC_OUT_PLANE_COUNT 2
#define STUFF_BYTE 4
#define MFC_MAX_CTRLS 70
#define MFC_MAX_CTRLS 77
#define S5P_MFC_CODEC_NONE -1
#define S5P_MFC_CODEC_H264_DEC 0
@ -81,6 +81,7 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
#define S5P_MFC_CODEC_H264_MVC_ENC 21
#define S5P_MFC_CODEC_MPEG4_ENC 22
#define S5P_MFC_CODEC_H263_ENC 23
#define S5P_MFC_CODEC_VP8_ENC 24
#define S5P_MFC_R2H_CMD_EMPTY 0
#define S5P_MFC_R2H_CMD_SYS_INIT_RET 1
@ -408,6 +409,21 @@ struct s5p_mfc_mpeg4_enc_params {
int level;
};
/**
* struct s5p_mfc_vp8_enc_params - encoding parameters for vp8
*/
struct s5p_mfc_vp8_enc_params {
u8 imd_4x4;
enum v4l2_vp8_num_partitions num_partitions;
enum v4l2_vp8_num_ref_frames num_ref;
u8 filter_level;
u8 filter_sharpness;
u32 golden_frame_ref_period;
enum v4l2_vp8_golden_frame_sel golden_frame_sel;
u8 hier_layer;
u8 hier_layer_qp[3];
};
/**
* struct s5p_mfc_enc_params - general encoding parameters
*/
@ -442,6 +458,7 @@ struct s5p_mfc_enc_params {
struct {
struct s5p_mfc_h264_enc_params h264;
struct s5p_mfc_mpeg4_enc_params mpeg4;
struct s5p_mfc_vp8_enc_params vp8;
} codec;
};

90
drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
View File

@ -84,6 +84,13 @@ static struct s5p_mfc_fmt formats[] = {
.type = MFC_FMT_ENC,
.num_planes = 1,
},
{
.name = "VP8 Encoded Stream",
.fourcc = V4L2_PIX_FMT_VP8,
.codec_mode = S5P_MFC_CODEC_VP8_ENC,
.type = MFC_FMT_ENC,
.num_planes = 1,
},
};
#define NUM_FORMATS ARRAY_SIZE(formats)
@ -557,6 +564,60 @@ static struct mfc_control controls[] = {
.step = 1,
.default_value = 0,
},
{
.id = V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS,
.type = V4L2_CTRL_TYPE_INTEGER_MENU,
.maximum = V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS,
.default_value = V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION,
.menu_skip_mask = 0,
},
{
.id = V4L2_CID_MPEG_VIDEO_VPX_IMD_DISABLE_4X4,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.minimum = 0,
.maximum = 1,
.step = 1,
.default_value = 0,
},
{
.id = V4L2_CID_MPEG_VIDEO_VPX_NUM_REF_FRAMES,
.type = V4L2_CTRL_TYPE_INTEGER_MENU,
.maximum = V4L2_CID_MPEG_VIDEO_VPX_2_REF_FRAME,
.default_value = V4L2_CID_MPEG_VIDEO_VPX_1_REF_FRAME,
.menu_skip_mask = 0,
},
{
.id = V4L2_CID_MPEG_VIDEO_VPX_FILTER_LEVEL,
.type = V4L2_CTRL_TYPE_INTEGER,
.minimum = 0,
.maximum = 63,
.step = 1,
.default_value = 0,
},
{
.id = V4L2_CID_MPEG_VIDEO_VPX_FILTER_SHARPNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.minimum = 0,
.maximum = 7,
.step = 1,
.default_value = 0,
},
{
.id = V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD,
.type = V4L2_CTRL_TYPE_INTEGER,
.minimum = 0,
.maximum = (1 << 16) - 1,
.step = 1,
.default_value = 0,
},
{
.id = V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL,
.type = V4L2_CTRL_TYPE_MENU,
.minimum = V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV,
.maximum = V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_REF_PERIOD,
.default_value = V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV,
.menu_skip_mask = 0,
},
};
#define NUM_CTRLS ARRAY_SIZE(controls)
@ -965,6 +1026,10 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
mfc_err("failed to set capture format\n");
return -EINVAL;
}
if (!IS_MFCV7(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
mfc_err("VP8 is supported only in MFC v7\n");
return -EINVAL;
}
ctx->state = MFCINST_INIT;
ctx->dst_fmt = fmt;
ctx->codec_mode = ctx->dst_fmt->codec_mode;
@ -1482,6 +1547,27 @@ static int s5p_mfc_enc_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_MPEG4_QPEL:
p->codec.mpeg4.quarter_pixel = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS:
p->codec.vp8.num_partitions = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_VPX_IMD_DISABLE_4X4:
p->codec.vp8.imd_4x4 = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_VPX_NUM_REF_FRAMES:
p->codec.vp8.num_ref = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_VPX_FILTER_LEVEL:
p->codec.vp8.filter_level = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_VPX_FILTER_SHARPNESS:
p->codec.vp8.filter_sharpness = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD:
p->codec.vp8.golden_frame_ref_period = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL:
p->codec.vp8.golden_frame_sel = ctrl->val;
break;
default:
v4l2_err(&dev->v4l2_dev, "Invalid control, id=%d, val=%d\n",
ctrl->id, ctrl->val);
@ -1930,7 +2016,9 @@ int s5p_mfc_enc_ctrls_setup(struct s5p_mfc_ctx *ctx)
ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
&cfg, NULL);
} else {
if (controls[i].type == V4L2_CTRL_TYPE_MENU) {
if ((controls[i].type == V4L2_CTRL_TYPE_MENU) ||
(controls[i].type ==
V4L2_CTRL_TYPE_INTEGER_MENU)) {
ctx->ctrls[i] = v4l2_ctrl_new_std_menu(
&ctx->ctrl_handler,
&s5p_mfc_enc_ctrl_ops, controls[i].id,

90
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
View File

@ -188,6 +188,19 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
ctx->chroma_dpb_size + ctx->me_buffer_size));
ctx->bank2.size = 0;
break;
case S5P_MFC_CODEC_VP8_ENC:
ctx->scratch_buf_size =
S5P_FIMV_SCRATCH_BUF_SIZE_VP8_ENC_V7(
mb_width,
mb_height);
ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
ctx->bank1.size =
ctx->scratch_buf_size + ctx->tmv_buffer_size +
(ctx->pb_count * (ctx->luma_dpb_size +
ctx->chroma_dpb_size + ctx->me_buffer_size));
ctx->bank2.size = 0;
break;
default:
break;
}
@ -237,6 +250,7 @@ static int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
break;
case S5P_MFC_CODEC_MPEG4_ENC:
case S5P_MFC_CODEC_H263_ENC:
case S5P_MFC_CODEC_VP8_ENC:
ctx->ctx.size = buf_size->other_enc_ctx;
break;
default:
@ -1165,6 +1179,80 @@ static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
return 0;
}
static int s5p_mfc_set_enc_params_vp8(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_enc_params *p = &ctx->enc_params;
struct s5p_mfc_vp8_enc_params *p_vp8 = &p->codec.vp8;
unsigned int reg = 0;
unsigned int val = 0;
mfc_debug_enter();
s5p_mfc_set_enc_params(ctx);
/* pictype : number of B */
reg = READL(S5P_FIMV_E_GOP_CONFIG_V6);
reg &= ~(0x3 << 16);
reg |= ((p->num_b_frame & 0x3) << 16);
WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);
/* profile & level */
reg = 0;
/** profile */
reg |= (0x1 << 4);
WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);
/* rate control config. */
reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
/** macroblock level rate control */
reg &= ~(0x1 << 8);
reg |= ((p->rc_mb & 0x1) << 8);
WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
/* frame rate */
if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
reg = 0;
reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
reg |= p->rc_framerate_denom & 0xFFFF;
WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
}
/* vbv buffer size */
if (p->frame_skip_mode ==
V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
WRITEL(p->vbv_size & 0xFFFF, S5P_FIMV_E_VBV_BUFFER_SIZE_V6);
if (p->rc_frame)
WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
}
/* VP8 specific params */
reg = 0;
reg |= (p_vp8->imd_4x4 & 0x1) << 10;
switch (p_vp8->num_partitions) {
case V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION:
val = 0;
break;
case V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS:
val = 2;
break;
case V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS:
val = 4;
break;
case V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS:
val = 8;
break;
}
reg |= (val & 0xF) << 3;
reg |= (p_vp8->num_ref & 0x2);
WRITEL(reg, S5P_FIMV_E_VP8_OPTIONS_V7);
mfc_debug_leave();
return 0;
}
/* Initialize decoding */
static int s5p_mfc_init_decode_v6(struct s5p_mfc_ctx *ctx)
{
@ -1283,6 +1371,8 @@ static int s5p_mfc_init_encode_v6(struct s5p_mfc_ctx *ctx)
s5p_mfc_set_enc_params_mpeg4(ctx);
else if (ctx->codec_mode == S5P_MFC_CODEC_H263_ENC)
s5p_mfc_set_enc_params_h263(ctx);
else if (ctx->codec_mode == S5P_MFC_CODEC_VP8_ENC)
s5p_mfc_set_enc_params_vp8(ctx);
else {
mfc_err("Unknown codec for encoding (%x).\n",
ctx->codec_mode);