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media: vicodec: split off v4l2 specific parts for the codec

Browse Source 
Split off the decode and encode functions into a separate
source that can be reused elsewhere.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2018-08-22 03:50:56 -04:00 committed by Mauro Carvalho Chehab
parent 21abebf06d
commit cd12b401ad
4 changed files with 458 additions and 382 deletions
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2
drivers/media/platform/vicodec/Makefile
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@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
vicodec-objs := vicodec-core.o codec-fwht.o
vicodec-objs := vicodec-core.o codec-fwht.o codec-v4l2-fwht.o
obj-$(CONFIG_VIDEO_VICODEC) += vicodec.o

325
drivers/media/platform/vicodec/codec-v4l2-fwht.c Normal file
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@ -0,0 +1,325 @@
// SPDX-License-Identifier: GPL-2.0
/*
* A V4L2 frontend for the FWHT codec
*
* Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/videodev2.h>
#include "codec-v4l2-fwht.h"
static const struct v4l2_fwht_pixfmt_info v4l2_fwht_pixfmts[] = {
{ V4L2_PIX_FMT_YUV420, 1, 3, 2, 1, 1, 2, 2 },
{ V4L2_PIX_FMT_YVU420, 1, 3, 2, 1, 1, 2, 2 },
{ V4L2_PIX_FMT_YUV422P, 1, 2, 1, 1, 1, 2, 1 },
{ V4L2_PIX_FMT_NV12, 1, 3, 2, 1, 2, 2, 2 },
{ V4L2_PIX_FMT_NV21, 1, 3, 2, 1, 2, 2, 2 },
{ V4L2_PIX_FMT_NV16, 1, 2, 1, 1, 2, 2, 1 },
{ V4L2_PIX_FMT_NV61, 1, 2, 1, 1, 2, 2, 1 },
{ V4L2_PIX_FMT_NV24, 1, 3, 1, 1, 2, 1, 1 },
{ V4L2_PIX_FMT_NV42, 1, 3, 1, 1, 2, 1, 1 },
{ V4L2_PIX_FMT_YUYV, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_YVYU, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_UYVY, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_VYUY, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_BGR24, 3, 3, 1, 3, 3, 1, 1 },
{ V4L2_PIX_FMT_RGB24, 3, 3, 1, 3, 3, 1, 1 },
{ V4L2_PIX_FMT_HSV24, 3, 3, 1, 3, 3, 1, 1 },
{ V4L2_PIX_FMT_BGR32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_XBGR32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_RGB32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_XRGB32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_HSV32, 4, 4, 1, 4, 4, 1, 1 },
};
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(v4l2_fwht_pixfmts); i++)
if (v4l2_fwht_pixfmts[i].id == pixelformat)
return v4l2_fwht_pixfmts + i;
return NULL;
}
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx)
{
if (idx >= ARRAY_SIZE(v4l2_fwht_pixfmts))
return NULL;
return v4l2_fwht_pixfmts + idx;
}
unsigned int v4l2_fwht_encode(struct v4l2_fwht_state *state,
u8 *p_in, u8 *p_out)
{
unsigned int size = state->width * state->height;
const struct v4l2_fwht_pixfmt_info *info = state->info;
struct fwht_cframe_hdr *p_hdr;
struct fwht_cframe cf;
struct fwht_raw_frame rf;
u32 encoding;
u32 flags = 0;
rf.width = state->width;
rf.height = state->height;
rf.luma = p_in;
rf.width_div = info->width_div;
rf.height_div = info->height_div;
rf.luma_step = info->luma_step;
rf.chroma_step = info->chroma_step;
switch (info->id) {
case V4L2_PIX_FMT_YUV420:
rf.cb = rf.luma + size;
rf.cr = rf.cb + size / 4;
break;
case V4L2_PIX_FMT_YVU420:
rf.cr = rf.luma + size;
rf.cb = rf.cr + size / 4;
break;
case V4L2_PIX_FMT_YUV422P:
rf.cb = rf.luma + size;
rf.cr = rf.cb + size / 2;
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV24:
rf.cb = rf.luma + size;
rf.cr = rf.cb + 1;
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV42:
rf.cr = rf.luma + size;
rf.cb = rf.cr + 1;
break;
case V4L2_PIX_FMT_YUYV:
rf.cb = rf.luma + 1;
rf.cr = rf.cb + 2;
break;
case V4L2_PIX_FMT_YVYU:
rf.cr = rf.luma + 1;
rf.cb = rf.cr + 2;
break;
case V4L2_PIX_FMT_UYVY:
rf.cb = rf.luma;
rf.cr = rf.cb + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_VYUY:
rf.cr = rf.luma;
rf.cb = rf.cr + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_HSV24:
rf.cr = rf.luma;
rf.cb = rf.cr + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_BGR24:
rf.cb = rf.luma;
rf.cr = rf.cb + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_HSV32:
rf.cr = rf.luma + 1;
rf.cb = rf.cr + 2;
rf.luma += 2;
break;
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_XBGR32:
rf.cb = rf.luma;
rf.cr = rf.cb + 2;
rf.luma++;
break;
}
cf.width = state->width;
cf.height = state->height;
cf.i_frame_qp = state->i_frame_qp;
cf.p_frame_qp = state->p_frame_qp;
cf.rlc_data = (__be16 *)(p_out + sizeof(*p_hdr));
encoding = fwht_encode_frame(&rf, &state->ref_frame, &cf,
!state->gop_cnt,
state->gop_cnt == state->gop_size - 1);
if (!(encoding & FWHT_FRAME_PCODED))
state->gop_cnt = 0;
if (++state->gop_cnt >= state->gop_size)
state->gop_cnt = 0;
p_hdr = (struct fwht_cframe_hdr *)p_out;
p_hdr->magic1 = FWHT_MAGIC1;
p_hdr->magic2 = FWHT_MAGIC2;
p_hdr->version = htonl(FWHT_VERSION);
p_hdr->width = htonl(cf.width);
p_hdr->height = htonl(cf.height);
if (encoding & FWHT_LUMA_UNENCODED)
flags |= FWHT_FL_LUMA_IS_UNCOMPRESSED;
if (encoding & FWHT_CB_UNENCODED)
flags |= FWHT_FL_CB_IS_UNCOMPRESSED;
if (encoding & FWHT_CR_UNENCODED)
flags |= FWHT_FL_CR_IS_UNCOMPRESSED;
if (rf.height_div == 1)
flags |= FWHT_FL_CHROMA_FULL_HEIGHT;
if (rf.width_div == 1)
flags |= FWHT_FL_CHROMA_FULL_WIDTH;
p_hdr->flags = htonl(flags);
p_hdr->colorspace = htonl(state->colorspace);
p_hdr->xfer_func = htonl(state->xfer_func);
p_hdr->ycbcr_enc = htonl(state->ycbcr_enc);
p_hdr->quantization = htonl(state->quantization);
p_hdr->size = htonl(cf.size);
state->ref_frame.width = cf.width;
state->ref_frame.height = cf.height;
return cf.size + sizeof(*p_hdr);
}
int v4l2_fwht_decode(struct v4l2_fwht_state *state,
u8 *p_in, u8 *p_out)
{
unsigned int size = state->width * state->height;
unsigned int chroma_size = size;
unsigned int i;
u32 flags;
struct fwht_cframe_hdr *p_hdr;
struct fwht_cframe cf;
u8 *p;
p_hdr = (struct fwht_cframe_hdr *)p_in;
cf.width = ntohl(p_hdr->width);
cf.height = ntohl(p_hdr->height);
flags = ntohl(p_hdr->flags);
state->colorspace = ntohl(p_hdr->colorspace);
state->xfer_func = ntohl(p_hdr->xfer_func);
state->ycbcr_enc = ntohl(p_hdr->ycbcr_enc);
state->quantization = ntohl(p_hdr->quantization);
cf.rlc_data = (__be16 *)(p_in + sizeof(*p_hdr));
if (p_hdr->magic1 != FWHT_MAGIC1 ||
p_hdr->magic2 != FWHT_MAGIC2 ||
ntohl(p_hdr->version) != FWHT_VERSION ||
(cf.width & 7) || (cf.height & 7))
return -EINVAL;
/* TODO: support resolution changes */
if (cf.width != state->width || cf.height != state->height)
return -EINVAL;
if (!(flags & FWHT_FL_CHROMA_FULL_WIDTH))
chroma_size /= 2;
if (!(flags & FWHT_FL_CHROMA_FULL_HEIGHT))
chroma_size /= 2;
fwht_decode_frame(&cf, &state->ref_frame, flags);
switch (state->info->id) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YUV422P:
memcpy(p_out, state->ref_frame.luma, size);
p_out += size;
memcpy(p_out, state->ref_frame.cb, chroma_size);
p_out += chroma_size;
memcpy(p_out, state->ref_frame.cr, chroma_size);
break;
case V4L2_PIX_FMT_YVU420:
memcpy(p_out, state->ref_frame.luma, size);
p_out += size;
memcpy(p_out, state->ref_frame.cr, chroma_size);
p_out += chroma_size;
memcpy(p_out, state->ref_frame.cb, chroma_size);
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV24:
memcpy(p_out, state->ref_frame.luma, size);
p_out += size;
for (i = 0, p = p_out; i < chroma_size; i++) {
*p++ = state->ref_frame.cb[i];
*p++ = state->ref_frame.cr[i];
}
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV42:
memcpy(p_out, state->ref_frame.luma, size);
p_out += size;
for (i = 0, p = p_out; i < chroma_size; i++) {
*p++ = state->ref_frame.cr[i];
*p++ = state->ref_frame.cb[i];
}
break;
case V4L2_PIX_FMT_YUYV:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cb[i / 2];
*p++ = state->ref_frame.luma[i + 1];
*p++ = state->ref_frame.cr[i / 2];
}
break;
case V4L2_PIX_FMT_YVYU:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cr[i / 2];
*p++ = state->ref_frame.luma[i + 1];
*p++ = state->ref_frame.cb[i / 2];
}
break;
case V4L2_PIX_FMT_UYVY:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = state->ref_frame.cb[i / 2];
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cr[i / 2];
*p++ = state->ref_frame.luma[i + 1];
}
break;
case V4L2_PIX_FMT_VYUY:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = state->ref_frame.cr[i / 2];
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cb[i / 2];
*p++ = state->ref_frame.luma[i + 1];
}
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_HSV24:
for (i = 0, p = p_out; i < size; i++) {
*p++ = state->ref_frame.cr[i];
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cb[i];
}
break;
case V4L2_PIX_FMT_BGR24:
for (i = 0, p = p_out; i < size; i++) {
*p++ = state->ref_frame.cb[i];
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cr[i];
}
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_HSV32:
for (i = 0, p = p_out; i < size; i++) {
*p++ = 0;
*p++ = state->ref_frame.cr[i];
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cb[i];
}
break;
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_XBGR32:
for (i = 0, p = p_out; i < size; i++) {
*p++ = state->ref_frame.cb[i];
*p++ = state->ref_frame.luma[i];
*p++ = state->ref_frame.cr[i];
*p++ = 0;
}
break;
}
return 0;
}

50
drivers/media/platform/vicodec/codec-v4l2-fwht.h Normal file
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@ -0,0 +1,50 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
#ifndef CODEC_V4L2_FWHT_H
#define CODEC_V4L2_FWHT_H
#include "codec-fwht.h"
struct v4l2_fwht_pixfmt_info {
u32 id;
unsigned int bytesperline_mult;
unsigned int sizeimage_mult;
unsigned int sizeimage_div;
unsigned int luma_step;
unsigned int chroma_step;
/* Chroma plane subsampling */
unsigned int width_div;
unsigned int height_div;
};
struct v4l2_fwht_state {
const struct v4l2_fwht_pixfmt_info *info;
unsigned int width;
unsigned int height;
unsigned int gop_size;
unsigned int gop_cnt;
u16 i_frame_qp;
u16 p_frame_qp;
enum v4l2_colorspace colorspace;
enum v4l2_ycbcr_encoding ycbcr_enc;
enum v4l2_xfer_func xfer_func;
enum v4l2_quantization quantization;
struct fwht_raw_frame ref_frame;
u8 *compressed_frame;
};
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat);
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx);
unsigned int v4l2_fwht_encode(struct v4l2_fwht_state *state,
u8 *p_in, u8 *p_out);
int v4l2_fwht_decode(struct v4l2_fwht_state *state,
u8 *p_in, u8 *p_out);
#endif

463
drivers/media/platform/vicodec/vicodec-core.c
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@ -23,7 +23,7 @@
#include <media/v4l2-event.h>
#include <media/videobuf2-vmalloc.h>
#include "codec-fwht.h"
#include "codec-v4l2-fwht.h"
MODULE_DESCRIPTION("Virtual codec device");
MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>");
@ -60,31 +60,7 @@ struct pixfmt_info {
unsigned int height_div;
};
static const struct pixfmt_info pixfmts[] = {
{ V4L2_PIX_FMT_YUV420, 1, 3, 2, 1, 1, 2, 2 },
{ V4L2_PIX_FMT_YVU420, 1, 3, 2, 1, 1, 2, 2 },
{ V4L2_PIX_FMT_YUV422P, 1, 2, 1, 1, 1, 2, 1 },
{ V4L2_PIX_FMT_NV12, 1, 3, 2, 1, 2, 2, 2 },
{ V4L2_PIX_FMT_NV21, 1, 3, 2, 1, 2, 2, 2 },
{ V4L2_PIX_FMT_NV16, 1, 2, 1, 1, 2, 2, 1 },
{ V4L2_PIX_FMT_NV61, 1, 2, 1, 1, 2, 2, 1 },
{ V4L2_PIX_FMT_NV24, 1, 3, 1, 1, 2, 1, 1 },
{ V4L2_PIX_FMT_NV42, 1, 3, 1, 1, 2, 1, 1 },
{ V4L2_PIX_FMT_YUYV, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_YVYU, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_UYVY, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_VYUY, 2, 2, 1, 2, 4, 2, 1 },
{ V4L2_PIX_FMT_BGR24, 3, 3, 1, 3, 3, 1, 1 },
{ V4L2_PIX_FMT_RGB24, 3, 3, 1, 3, 3, 1, 1 },
{ V4L2_PIX_FMT_HSV24, 3, 3, 1, 3, 3, 1, 1 },
{ V4L2_PIX_FMT_BGR32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_XBGR32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_RGB32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_XRGB32, 4, 4, 1, 4, 4, 1, 1 },
{ V4L2_PIX_FMT_HSV32, 4, 4, 1, 4, 4, 1, 1 },
};
static const struct pixfmt_info pixfmt_fwht = {
static const struct v4l2_fwht_pixfmt_info pixfmt_fwht = {
V4L2_PIX_FMT_FWHT, 0, 3, 1, 1, 1, 1, 1
};
@ -103,7 +79,7 @@ struct vicodec_q_data {
unsigned int height;
unsigned int sizeimage;
unsigned int sequence;
const struct pixfmt_info *info;
const struct v4l2_fwht_pixfmt_info *info;
};
enum {
@ -135,25 +111,16 @@ struct vicodec_ctx {
spinlock_t *lock;
struct v4l2_ctrl_handler hdl;
unsigned int gop_size;
unsigned int gop_cnt;
u16 i_frame_qp;
u16 p_frame_qp;
/* Abort requested by m2m */
int aborting;
struct vb2_v4l2_buffer *last_src_buf;
struct vb2_v4l2_buffer *last_dst_buf;
enum v4l2_colorspace colorspace;
enum v4l2_ycbcr_encoding ycbcr_enc;
enum v4l2_xfer_func xfer_func;
enum v4l2_quantization quantization;
/* Source and destination queue data */
struct vicodec_q_data q_data[2];
struct fwht_raw_frame ref_frame;
u8 *compressed_frame;
struct v4l2_fwht_state state;
u32 cur_buf_offset;
u32 comp_max_size;
u32 comp_size;
@ -185,288 +152,13 @@ static struct vicodec_q_data *get_q_data(struct vicodec_ctx *ctx,
return NULL;
}
static void encode(struct vicodec_ctx *ctx,
struct vicodec_q_data *q_data,
u8 *p_in, u8 *p_out, u32 flags)
{
unsigned int size = q_data->width * q_data->height;
const struct pixfmt_info *info = q_data->info;
struct fwht_cframe_hdr *p_hdr;
struct fwht_cframe cf;
struct fwht_raw_frame rf;
u32 encoding;
rf.width = q_data->width;
rf.height = q_data->height;
rf.luma = p_in;
rf.width_div = info->width_div;
rf.height_div = info->height_div;
rf.luma_step = info->luma_step;
rf.chroma_step = info->chroma_step;
switch (info->id) {
case V4L2_PIX_FMT_YUV420:
rf.cb = rf.luma + size;
rf.cr = rf.cb + size / 4;
break;
case V4L2_PIX_FMT_YVU420:
rf.cr = rf.luma + size;
rf.cb = rf.cr + size / 4;
break;
case V4L2_PIX_FMT_YUV422P:
rf.cb = rf.luma + size;
rf.cr = rf.cb + size / 2;
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV24:
rf.cb = rf.luma + size;
rf.cr = rf.cb + 1;
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV42:
rf.cr = rf.luma + size;
rf.cb = rf.cr + 1;
break;
case V4L2_PIX_FMT_YUYV:
rf.cb = rf.luma + 1;
rf.cr = rf.cb + 2;
break;
case V4L2_PIX_FMT_YVYU:
rf.cr = rf.luma + 1;
rf.cb = rf.cr + 2;
break;
case V4L2_PIX_FMT_UYVY:
rf.cb = rf.luma;
rf.cr = rf.cb + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_VYUY:
rf.cr = rf.luma;
rf.cb = rf.cr + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_HSV24:
rf.cr = rf.luma;
rf.cb = rf.cr + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_BGR24:
rf.cb = rf.luma;
rf.cr = rf.cb + 2;
rf.luma++;
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_HSV32:
rf.cr = rf.luma + 1;
rf.cb = rf.cr + 2;
rf.luma += 2;
break;
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_XBGR32:
rf.cb = rf.luma;
rf.cr = rf.cb + 2;
rf.luma++;
break;
}
cf.width = q_data->width;
cf.height = q_data->height;
cf.i_frame_qp = ctx->i_frame_qp;
cf.p_frame_qp = ctx->p_frame_qp;
cf.rlc_data = (__be16 *)(p_out + sizeof(*p_hdr));
encoding = fwht_encode_frame(&rf, &ctx->ref_frame, &cf, !ctx->gop_cnt,
ctx->gop_cnt == ctx->gop_size - 1);
if (!(encoding & FWHT_FRAME_PCODED))
ctx->gop_cnt = 0;
if (++ctx->gop_cnt >= ctx->gop_size)
ctx->gop_cnt = 0;
p_hdr = (struct fwht_cframe_hdr *)p_out;
p_hdr->magic1 = FWHT_MAGIC1;
p_hdr->magic2 = FWHT_MAGIC2;
p_hdr->version = htonl(FWHT_VERSION);
p_hdr->width = htonl(cf.width);
p_hdr->height = htonl(cf.height);
if (encoding & FWHT_LUMA_UNENCODED)
flags |= FWHT_FL_LUMA_IS_UNCOMPRESSED;
if (encoding & FWHT_CB_UNENCODED)
flags |= FWHT_FL_CB_IS_UNCOMPRESSED;
if (encoding & FWHT_CR_UNENCODED)
flags |= FWHT_FL_CR_IS_UNCOMPRESSED;
if (rf.height_div == 1)
flags |= FWHT_FL_CHROMA_FULL_HEIGHT;
if (rf.width_div == 1)
flags |= FWHT_FL_CHROMA_FULL_WIDTH;
p_hdr->flags = htonl(flags);
p_hdr->colorspace = htonl(ctx->colorspace);
p_hdr->xfer_func = htonl(ctx->xfer_func);
p_hdr->ycbcr_enc = htonl(ctx->ycbcr_enc);
p_hdr->quantization = htonl(ctx->quantization);
p_hdr->size = htonl(cf.size);
ctx->ref_frame.width = cf.width;
ctx->ref_frame.height = cf.height;
}
static int decode(struct vicodec_ctx *ctx,
struct vicodec_q_data *q_data,
u8 *p_in, u8 *p_out)
{
unsigned int size = q_data->width * q_data->height;
unsigned int chroma_size = size;
unsigned int i;
u32 flags;
struct fwht_cframe_hdr *p_hdr;
struct fwht_cframe cf;
u8 *p;
p_hdr = (struct fwht_cframe_hdr *)p_in;
cf.width = ntohl(p_hdr->width);
cf.height = ntohl(p_hdr->height);
flags = ntohl(p_hdr->flags);
ctx->colorspace = ntohl(p_hdr->colorspace);
ctx->xfer_func = ntohl(p_hdr->xfer_func);
ctx->ycbcr_enc = ntohl(p_hdr->ycbcr_enc);
ctx->quantization = ntohl(p_hdr->quantization);
cf.rlc_data = (__be16 *)(p_in + sizeof(*p_hdr));
if (p_hdr->magic1 != FWHT_MAGIC1 ||
p_hdr->magic2 != FWHT_MAGIC2 ||
ntohl(p_hdr->version) != FWHT_VERSION ||
cf.width < MIN_WIDTH ||
cf.width > MAX_WIDTH ||
cf.height < MIN_HEIGHT ||
cf.height > MAX_HEIGHT ||
(cf.width & 7) || (cf.height & 7))
return -EINVAL;
/* TODO: support resolution changes */
if (cf.width != q_data->width || cf.height != q_data->height)
return -EINVAL;
if (!(flags & FWHT_FL_CHROMA_FULL_WIDTH))
chroma_size /= 2;
if (!(flags & FWHT_FL_CHROMA_FULL_HEIGHT))
chroma_size /= 2;
fwht_decode_frame(&cf, &ctx->ref_frame, flags);
switch (q_data->info->id) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YUV422P:
memcpy(p_out, ctx->ref_frame.luma, size);
p_out += size;
memcpy(p_out, ctx->ref_frame.cb, chroma_size);
p_out += chroma_size;
memcpy(p_out, ctx->ref_frame.cr, chroma_size);
break;
case V4L2_PIX_FMT_YVU420:
memcpy(p_out, ctx->ref_frame.luma, size);
p_out += size;
memcpy(p_out, ctx->ref_frame.cr, chroma_size);
p_out += chroma_size;
memcpy(p_out, ctx->ref_frame.cb, chroma_size);
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV24:
memcpy(p_out, ctx->ref_frame.luma, size);
p_out += size;
for (i = 0, p = p_out; i < chroma_size; i++) {
*p++ = ctx->ref_frame.cb[i];
*p++ = ctx->ref_frame.cr[i];
}
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV42:
memcpy(p_out, ctx->ref_frame.luma, size);
p_out += size;
for (i = 0, p = p_out; i < chroma_size; i++) {
*p++ = ctx->ref_frame.cr[i];
*p++ = ctx->ref_frame.cb[i];
}
break;
case V4L2_PIX_FMT_YUYV:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cb[i / 2];
*p++ = ctx->ref_frame.luma[i + 1];
*p++ = ctx->ref_frame.cr[i / 2];
}
break;
case V4L2_PIX_FMT_YVYU:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cr[i / 2];
*p++ = ctx->ref_frame.luma[i + 1];
*p++ = ctx->ref_frame.cb[i / 2];
}
break;
case V4L2_PIX_FMT_UYVY:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = ctx->ref_frame.cb[i / 2];
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cr[i / 2];
*p++ = ctx->ref_frame.luma[i + 1];
}
break;
case V4L2_PIX_FMT_VYUY:
for (i = 0, p = p_out; i < size; i += 2) {
*p++ = ctx->ref_frame.cr[i / 2];
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cb[i / 2];
*p++ = ctx->ref_frame.luma[i + 1];
}
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_HSV24:
for (i = 0, p = p_out; i < size; i++) {
*p++ = ctx->ref_frame.cr[i];
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cb[i];
}
break;
case V4L2_PIX_FMT_BGR24:
for (i = 0, p = p_out; i < size; i++) {
*p++ = ctx->ref_frame.cb[i];
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cr[i];
}
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_HSV32:
for (i = 0, p = p_out; i < size; i++) {
*p++ = 0;
*p++ = ctx->ref_frame.cr[i];
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cb[i];
}
break;
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_XBGR32:
for (i = 0, p = p_out; i < size; i++) {
*p++ = ctx->ref_frame.cb[i];
*p++ = ctx->ref_frame.luma[i];
*p++ = ctx->ref_frame.cr[i];
*p++ = 0;
}
break;
}
return 0;
}
static int device_process(struct vicodec_ctx *ctx,
struct vb2_v4l2_buffer *in_vb,
struct vb2_v4l2_buffer *out_vb)
{
struct vicodec_dev *dev = ctx->dev;
struct vicodec_q_data *q_out, *q_cap;
struct v4l2_fwht_state *state = &ctx->state;
u8 *p_in, *p_out;
int ret;
@ -475,7 +167,7 @@ static int device_process(struct vicodec_ctx *ctx,
if (ctx->is_enc)
p_in = vb2_plane_vaddr(&in_vb->vb2_buf, 0);
else
p_in = ctx->compressed_frame;
p_in = state->compressed_frame;
p_out = vb2_plane_vaddr(&out_vb->vb2_buf, 0);
if (!p_in || !p_out) {
v4l2_err(&dev->v4l2_dev,
@ -484,13 +176,11 @@ static int device_process(struct vicodec_ctx *ctx,
}
if (ctx->is_enc) {
struct fwht_cframe_hdr *p_hdr = (struct fwht_cframe_hdr *)p_out;
unsigned int size = v4l2_fwht_encode(state, p_in, p_out);
encode(ctx, q_out, p_in, p_out, 0);
vb2_set_plane_payload(&out_vb->vb2_buf, 0,
sizeof(*p_hdr) + ntohl(p_hdr->size));
vb2_set_plane_payload(&out_vb->vb2_buf, 0, size);
} else {
ret = decode(ctx, q_cap, p_in, p_out);
ret = v4l2_fwht_decode(state, p_in, p_out);
if (ret)
return ret;
vb2_set_plane_payload(&out_vb->vb2_buf, 0, q_cap->sizeimage);
@ -619,10 +309,11 @@ restart:
copy = sizeof(magic) - ctx->comp_magic_cnt;
if (p_out + sz - p < copy)
copy = p_out + sz - p;
memcpy(ctx->compressed_frame + ctx->comp_magic_cnt,
memcpy(ctx->state.compressed_frame + ctx->comp_magic_cnt,
p, copy);
ctx->comp_magic_cnt += copy;
if (!memcmp(ctx->compressed_frame, magic, ctx->comp_magic_cnt)) {
if (!memcmp(ctx->state.compressed_frame, magic,
ctx->comp_magic_cnt)) {
p += copy;
state = VB2_BUF_STATE_DONE;
break;
@ -637,12 +328,12 @@ restart:
}
if (ctx->comp_size < sizeof(struct fwht_cframe_hdr)) {
struct fwht_cframe_hdr *p_hdr =
(struct fwht_cframe_hdr *)ctx->compressed_frame;
(struct fwht_cframe_hdr *)ctx->state.compressed_frame;
u32 copy = sizeof(struct fwht_cframe_hdr) - ctx->comp_size;
if (copy > p_out + sz - p)
copy = p_out + sz - p;
memcpy(ctx->compressed_frame + ctx->comp_size,
memcpy(ctx->state.compressed_frame + ctx->comp_size,
p, copy);
p += copy;
ctx->comp_size += copy;
@ -659,7 +350,7 @@ restart:
if (copy > p_out + sz - p)
copy = p_out + sz - p;
memcpy(ctx->compressed_frame + ctx->comp_size,
memcpy(ctx->state.compressed_frame + ctx->comp_size,
p, copy);
p += copy;
ctx->comp_size += copy;
@ -694,14 +385,14 @@ static void job_abort(void *priv)
* video ioctls
*/
static const struct pixfmt_info *find_fmt(u32 fmt)
static const struct v4l2_fwht_pixfmt_info *find_fmt(u32 fmt)
{
unsigned int i;
const struct v4l2_fwht_pixfmt_info *info =
v4l2_fwht_find_pixfmt(fmt);
for (i = 0; i < ARRAY_SIZE(pixfmts); i++)
if (pixfmts[i].id == fmt)
return &pixfmts[i];
return &pixfmts[0];
if (!info)
info = v4l2_fwht_get_pixfmt(0);
return info;
}
static int vidioc_querycap(struct file *file, void *priv,
@ -727,13 +418,19 @@ static int enum_fmt(struct v4l2_fmtdesc *f, bool is_enc, bool is_out)
return -EINVAL;
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type) && multiplanar)
return -EINVAL;
if (f->index >= (is_uncomp ? ARRAY_SIZE(pixfmts) : 1))
return -EINVAL;
if (is_uncomp)
f->pixelformat = pixfmts[f->index].id;
else
if (is_uncomp) {
const struct v4l2_fwht_pixfmt_info *info =
v4l2_fwht_get_pixfmt(f->index);
if (!info)
return -EINVAL;
f->pixelformat = info->id;
} else {
if (f->index)
return -EINVAL;
f->pixelformat = V4L2_PIX_FMT_FWHT;
}
return 0;
}
@ -759,7 +456,7 @@ static int vidioc_g_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
struct vicodec_q_data *q_data;
struct v4l2_pix_format_mplane *pix_mp;
struct v4l2_pix_format *pix;
const struct pixfmt_info *info;
const struct v4l2_fwht_pixfmt_info *info;
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
if (!vq)
@ -780,10 +477,10 @@ static int vidioc_g_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
pix->pixelformat = info->id;
pix->bytesperline = q_data->width * info->bytesperline_mult;
pix->sizeimage = q_data->sizeimage;
pix->colorspace = ctx->colorspace;
pix->xfer_func = ctx->xfer_func;
pix->ycbcr_enc = ctx->ycbcr_enc;
pix->quantization = ctx->quantization;
pix->colorspace = ctx->state.colorspace;
pix->xfer_func = ctx->state.xfer_func;
pix->ycbcr_enc = ctx->state.ycbcr_enc;
pix->quantization = ctx->state.quantization;
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
@ -799,10 +496,10 @@ static int vidioc_g_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
pix_mp->plane_fmt[0].bytesperline =
q_data->width * info->bytesperline_mult;
pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage;
pix_mp->colorspace = ctx->colorspace;
pix_mp->xfer_func = ctx->xfer_func;
pix_mp->ycbcr_enc = ctx->ycbcr_enc;
pix_mp->quantization = ctx->quantization;
pix_mp->colorspace = ctx->state.colorspace;
pix_mp->xfer_func = ctx->state.xfer_func;
pix_mp->ycbcr_enc = ctx->state.ycbcr_enc;
pix_mp->quantization = ctx->state.quantization;
memset(pix_mp->reserved, 0, sizeof(pix_mp->reserved));
memset(pix_mp->plane_fmt[0].reserved, 0,
sizeof(pix_mp->plane_fmt[0].reserved));
@ -830,7 +527,7 @@ static int vidioc_try_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)
struct v4l2_pix_format_mplane *pix_mp;
struct v4l2_pix_format *pix;
struct v4l2_plane_pix_format *plane;
const struct pixfmt_info *info = &pixfmt_fwht;
const struct v4l2_fwht_pixfmt_info *info = &pixfmt_fwht;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@ -889,10 +586,10 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
pix = &f->fmt.pix;
pix->pixelformat = ctx->is_enc ? V4L2_PIX_FMT_FWHT :
find_fmt(f->fmt.pix.pixelformat)->id;
pix->colorspace = ctx->colorspace;
pix->xfer_func = ctx->xfer_func;
pix->ycbcr_enc = ctx->ycbcr_enc;
pix->quantization = ctx->quantization;
pix->colorspace = ctx->state.colorspace;
pix->xfer_func = ctx->state.xfer_func;
pix->ycbcr_enc = ctx->state.ycbcr_enc;
pix->quantization = ctx->state.quantization;
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
if (!multiplanar)
@ -900,10 +597,10 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
pix_mp = &f->fmt.pix_mp;
pix_mp->pixelformat = ctx->is_enc ? V4L2_PIX_FMT_FWHT :
find_fmt(pix_mp->pixelformat)->id;
pix_mp->colorspace = ctx->colorspace;
pix_mp->xfer_func = ctx->xfer_func;
pix_mp->ycbcr_enc = ctx->ycbcr_enc;
pix_mp->quantization = ctx->quantization;
pix_mp->colorspace = ctx->state.colorspace;
pix_mp->xfer_func = ctx->state.xfer_func;
pix_mp->ycbcr_enc = ctx->state.ycbcr_enc;
pix_mp->quantization = ctx->state.quantization;
break;
default:
return -EINVAL;
@ -1043,18 +740,18 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *priv,
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
pix = &f->fmt.pix;
ctx->colorspace = pix->colorspace;
ctx->xfer_func = pix->xfer_func;
ctx->ycbcr_enc = pix->ycbcr_enc;
ctx->quantization = pix->quantization;
ctx->state.colorspace = pix->colorspace;
ctx->state.xfer_func = pix->xfer_func;
ctx->state.ycbcr_enc = pix->ycbcr_enc;
ctx->state.quantization = pix->quantization;
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
pix_mp = &f->fmt.pix_mp;
ctx->colorspace = pix_mp->colorspace;
ctx->xfer_func = pix_mp->xfer_func;
ctx->ycbcr_enc = pix_mp->ycbcr_enc;
ctx->quantization = pix_mp->quantization;
ctx->state.colorspace = pix_mp->colorspace;
ctx->state.xfer_func = pix_mp->xfer_func;
ctx->state.ycbcr_enc = pix_mp->ycbcr_enc;
ctx->state.quantization = pix_mp->quantization;
break;
default:
break;
@ -1297,8 +994,9 @@ static int vicodec_start_streaming(struct vb2_queue *q,
{
struct vicodec_ctx *ctx = vb2_get_drv_priv(q);
struct vicodec_q_data *q_data = get_q_data(ctx, q->type);
struct v4l2_fwht_state *state = &ctx->state;
unsigned int size = q_data->width * q_data->height;
const struct pixfmt_info *info = q_data->info;
const struct v4l2_fwht_pixfmt_info *info = q_data->info;
unsigned int chroma_div = info->width_div * info->height_div;
q_data->sequence = 0;
@ -1306,22 +1004,25 @@ static int vicodec_start_streaming(struct vb2_queue *q,
if (!V4L2_TYPE_IS_OUTPUT(q->type))
return 0;
ctx->ref_frame.width = ctx->ref_frame.height = 0;
ctx->ref_frame.luma = kvmalloc(size + 2 * size / chroma_div, GFP_KERNEL);
state->width = q_data->width;
state->height = q_data->height;
state->ref_frame.width = state->ref_frame.height = 0;
state->ref_frame.luma = kvmalloc(size + 2 * size / chroma_div,
GFP_KERNEL);
ctx->comp_max_size = size + 2 * size / chroma_div +
sizeof(struct fwht_cframe_hdr);
ctx->compressed_frame = kvmalloc(ctx->comp_max_size, GFP_KERNEL);
if (!ctx->ref_frame.luma || !ctx->compressed_frame) {
kvfree(ctx->ref_frame.luma);
kvfree(ctx->compressed_frame);
state->compressed_frame = kvmalloc(ctx->comp_max_size, GFP_KERNEL);
if (!state->ref_frame.luma || !state->compressed_frame) {
kvfree(state->ref_frame.luma);
kvfree(state->compressed_frame);
vicodec_return_bufs(q, VB2_BUF_STATE_QUEUED);
return -ENOMEM;
}
ctx->ref_frame.cb = ctx->ref_frame.luma + size;
ctx->ref_frame.cr = ctx->ref_frame.cb + size / chroma_div;
state->ref_frame.cb = state->ref_frame.luma + size;
state->ref_frame.cr = state->ref_frame.cb + size / chroma_div;
ctx->last_src_buf = NULL;
ctx->last_dst_buf = NULL;
ctx->gop_cnt = 0;
state->gop_cnt = 0;
ctx->cur_buf_offset = 0;
ctx->comp_size = 0;
ctx->comp_magic_cnt = 0;
@ -1339,8 +1040,8 @@ static void vicodec_stop_streaming(struct vb2_queue *q)
if (!V4L2_TYPE_IS_OUTPUT(q->type))
return;
kvfree(ctx->ref_frame.luma);
kvfree(ctx->compressed_frame);
kvfree(ctx->state.ref_frame.luma);
kvfree(ctx->state.compressed_frame);
}
static const struct vb2_ops vicodec_qops = {
@ -1400,19 +1101,19 @@ static int vicodec_s_ctrl(struct v4l2_ctrl *ctrl)
switch (ctrl->id) {
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
ctx->gop_size = ctrl->val;
ctx->state.gop_size = ctrl->val;
return 0;
case VICODEC_CID_I_FRAME_QP:
ctx->i_frame_qp = ctrl->val;
ctx->state.i_frame_qp = ctrl->val;
return 0;
case VICODEC_CID_P_FRAME_QP:
ctx->p_frame_qp = ctrl->val;
ctx->state.p_frame_qp = ctrl->val;
return 0;
}
return -EINVAL;
}
static const struct v4l2_ctrl_ops vicodec_ctrl_ops = {
static struct v4l2_ctrl_ops vicodec_ctrl_ops = {
.s_ctrl = vicodec_s_ctrl,
};
@ -1480,7 +1181,7 @@ static int vicodec_open(struct file *file)
v4l2_ctrl_handler_setup(hdl);
ctx->q_data[V4L2_M2M_SRC].info =
ctx->is_enc ? pixfmts : &pixfmt_fwht;
ctx->is_enc ? v4l2_fwht_get_pixfmt(0) : &pixfmt_fwht;
ctx->q_data[V4L2_M2M_SRC].width = 1280;
ctx->q_data[V4L2_M2M_SRC].height = 720;
size = 1280 * 720 * ctx->q_data[V4L2_M2M_SRC].info->sizeimage_mult /
@ -1488,11 +1189,11 @@ static int vicodec_open(struct file *file)
ctx->q_data[V4L2_M2M_SRC].sizeimage = size;
ctx->q_data[V4L2_M2M_DST] = ctx->q_data[V4L2_M2M_SRC];
ctx->q_data[V4L2_M2M_DST].info =
ctx->is_enc ? &pixfmt_fwht : pixfmts;
ctx->is_enc ? &pixfmt_fwht : v4l2_fwht_get_pixfmt(0);
size = 1280 * 720 * ctx->q_data[V4L2_M2M_DST].info->sizeimage_mult /
ctx->q_data[V4L2_M2M_DST].info->sizeimage_div;
ctx->q_data[V4L2_M2M_DST].sizeimage = size;
ctx->colorspace = V4L2_COLORSPACE_REC709;
ctx->state.colorspace = V4L2_COLORSPACE_REC709;
size += sizeof(struct fwht_cframe_hdr);
if (ctx->is_enc) {