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h264.c
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h264.c
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/*
* Copyright (c) 2013 Jens Kuske <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "vdpau_private.h"
#include "ve.h"
#include <time.h>
#include <stdio.h>
#define TIME_MEAS 0
#define FIELDINTRABUFSIZE 0x20000
#define NEIGHBORINFOBUFSIZE 0x4000
extern uint64_t get_time(void);
static int find_startcode(CEDARV_MEMORY mem, int len, int start)
{
int pos, zeros = 0;
uint8_t* data = (uint8_t*)cedarv_getPointer(mem);
for (pos = start; pos < len; pos++)
{
if (data[pos] == 0x00)
zeros++;
else if (data[pos] == 0x01 && zeros >= 2)
return pos - 2;
else
zeros = 0;
}
return -1;
}
static uint32_t getVlcData(uint32_t triggerValue, void* regs)
{
volatile uint32_t status;
char done = 0;
uint32_t value;
uint32_t round = 0;
writel(triggerValue, regs + CEDARV_H264_TRIGGER);
while (! done && round++ < 1000000)
{
status = readl(regs + CEDARV_H264_STATUS);
if( status & VLD_BUSY)
{
if(status & VLD_DATA_REQ_INTERRUPT)
{
value = 0;
done = 1;
}
}
else
{
value = readl(regs + CEDARV_H264_BASIC_BITS);
done = 1;
}
};
return value;
}
static inline uint32_t get_u(void *regs, int num)
{
return getVlcData(0x2 | (num << 8), regs);
}
static inline uint32_t get_ue(void *regs)
{
return getVlcData(0x5, regs);
}
static inline int32_t get_se(void *regs)
{
return getVlcData(0x4, regs);
/* writel(0x00000004, regs + CEDARV_H264_TRIGGER);
while (readl(regs + CEDARV_H264_STATUS) & (1 << 8));
return readl(regs + CEDARV_H264_BASIC_BITS);
*/
}
#define PIC_TOP_FIELD 0x1
#define PIC_BOTTOM_FIELD 0x2
#define PIC_FRAME 0x3
typedef struct
{
video_surface_ctx_t *surface;
uint16_t top_pic_order_cnt;
uint16_t bottom_pic_order_cnt;
uint16_t frame_idx;
uint8_t field;
uint32_t pic_type;
} h264_picture_t;
#define SLICE_TYPE_P 0
#define SLICE_TYPE_B 1
#define SLICE_TYPE_I 2
#define SLICE_TYPE_SP 3
#define SLICE_TYPE_SI 4
typedef struct
{
uint8_t nal_unit_type;
uint8_t isNalRefIdc;
uint16_t first_mb_in_slice;
uint8_t slice_type;
uint8_t pic_parameter_set_id;
uint16_t frame_num;
uint8_t field_pic_flag;
uint8_t bottom_field_flag;
uint16_t idr_pic_id;
uint32_t pic_order_cnt_lsb;
int32_t delta_pic_order_cnt_bottom;
int32_t delta_pic_order_cnt[2];
uint8_t redundant_pic_cnt;
uint8_t direct_spatial_mv_pred_flag;
uint8_t num_ref_idx_active_override_flag;
uint8_t num_ref_idx_l0_active_minus1;
uint8_t num_ref_idx_l1_active_minus1;
uint8_t cabac_init_idc;
int8_t slice_qp_delta;
uint8_t sp_for_switch_flag;
int8_t slice_qs_delta;
uint8_t disable_deblocking_filter_idc;
int8_t slice_alpha_c0_offset_div2;
int8_t slice_beta_offset_div2;
uint8_t luma_log2_weight_denom;
uint8_t chroma_log2_weight_denom;
int8_t luma_weight_l0[32];
int8_t luma_offset_l0[32];
int8_t chroma_weight_l0[32][2];
int8_t chroma_offset_l0[32][2];
int8_t luma_weight_l1[32];
int8_t luma_offset_l1[32];
int8_t chroma_weight_l1[32][2];
int8_t chroma_offset_l1[32][2];
h264_picture_t RefPicList0[32];
h264_picture_t RefPicList1[32];
} h264_header_t;
typedef struct
{
void *regs;
h264_header_t header;
VdpPictureInfoH264 const *info;
video_surface_ctx_t *output;
uint8_t picture_width_in_mbs_minus1;
uint8_t picture_height_in_mbs_minus1;
uint8_t default_scaling_lists;
int video_extra_data_len;
int ref_count;
h264_picture_t ref_pic[16];
} h264_context_t;
typedef struct
{
CEDARV_MEMORY extra_data;
CEDARV_MEMORY mbFieldIntraBuf;
CEDARV_MEMORY mbNeighborInfoBuf;
CEDARV_MEMORY deBlkDramBuf;
CEDARV_MEMORY intraPredDramBuf;
} h264_private_t;
static void h264_private_free(decoder_ctx_t *decoder)
{
h264_private_t *decoder_p = (h264_private_t *)decoder->private;
cedarv_free(decoder_p->extra_data);
cedarv_free(decoder_p->mbFieldIntraBuf);
cedarv_free(decoder_p->mbNeighborInfoBuf);
if(cedarv_isValid(decoder_p->deBlkDramBuf))
cedarv_free(decoder_p->deBlkDramBuf);
if(cedarv_isValid(decoder_p->intraPredDramBuf))
cedarv_free(decoder_p->intraPredDramBuf);
free(decoder_p);
}
#define PIC_TYPE_FRAME 0x0
#define PIC_TYPE_FIELD 0x1
#define PIC_TYPE_MBAFF 0x2
typedef struct
{
CEDARV_MEMORY extra_data;
int extra_data_len;
uint8_t pos;
uint8_t pic_type;
} h264_video_private_t;
static void h264_video_private_free(video_surface_ctx_t *surface)
{
h264_video_private_t *surface_p = (h264_video_private_t *)surface->decoder_private;
cedarv_free(surface_p->extra_data);
free(surface_p);
}
static void ref_pic_list_modification(h264_context_t *c)
{
h264_header_t *h = &c->header;
VdpPictureInfoH264 const *info = c->info;
const int MaxFrameNum = 1 << (info->log2_max_frame_num_minus4 + 4);
const int MaxPicNum = (info->field_pic_flag) ? 2 * MaxFrameNum : MaxFrameNum;
void *cedarv_regs = cedarv_get_regs();
if (h->slice_type != SLICE_TYPE_I && h->slice_type != SLICE_TYPE_SI)
{
int ref_pic_list_modification_flag_l0 = get_u(cedarv_regs, 1);
if (ref_pic_list_modification_flag_l0)
{
unsigned int modification_of_pic_nums_idc;
int refIdxL0 = 0;
unsigned int picNumL0 = info->frame_num;
unsigned int backout = 100;
if (h->field_pic_flag)
picNumL0 = picNumL0 * 2 + 1;
do
{
modification_of_pic_nums_idc = get_ue(cedarv_regs);
if (modification_of_pic_nums_idc == 0 || modification_of_pic_nums_idc == 1)
{
unsigned int abs_diff_pic_num_minus1 = get_ue(cedarv_regs);
if (modification_of_pic_nums_idc == 0)
picNumL0 -= (abs_diff_pic_num_minus1 + 1);
else
picNumL0 += (abs_diff_pic_num_minus1 + 1);
picNumL0 &= (MaxPicNum - 1);
int frame_num = picNumL0;
int field = PIC_FRAME;
if (h->field_pic_flag)
{
field = h->bottom_field_flag ? PIC_BOTTOM_FIELD : PIC_TOP_FIELD;
if (!(frame_num & 1))
field ^= PIC_FRAME;
frame_num /= 2;
}
int i, j;
for (i = 0; i < c->ref_count; i++)
{
if (c->ref_pic[i].frame_idx == frame_num)
break;
}
for (j = h->num_ref_idx_l0_active_minus1 + 1; j > refIdxL0; j--)
h->RefPicList0[j] = h->RefPicList0[j - 1];
h->RefPicList0[refIdxL0] = c->ref_pic[i];
if (h->field_pic_flag)
h->RefPicList0[refIdxL0].field = field;
i = ++refIdxL0;
for (j = refIdxL0; j <= h->num_ref_idx_l0_active_minus1 + 1; j++)
if (h->RefPicList0[j].frame_idx != frame_num || h->RefPicList0[j].field != field)
h->RefPicList0[i++] = h->RefPicList0[j];
}
else if (modification_of_pic_nums_idc == 2)
{
VDPAU_DBG("NOT IMPLEMENTED: modification_of_pic_nums_idc == 2");
unsigned int long_term_pic_num = get_ue(cedarv_regs);
(void)long_term_pic_num;
}
} while (modification_of_pic_nums_idc != 3 && --backout > 0);
}
}
if (h->slice_type == SLICE_TYPE_B)
{
int ref_pic_list_modification_flag_l1 = get_u(cedarv_regs, 1);
if (ref_pic_list_modification_flag_l1)
{
VDPAU_DBG("NOT IMPLEMENTED: ref_pic_list_modification_flag_l1 == 1");
unsigned int modification_of_pic_nums_idc;
do
{
modification_of_pic_nums_idc = get_ue(cedarv_regs);
if (modification_of_pic_nums_idc == 0 || modification_of_pic_nums_idc == 1)
{
unsigned int abs_diff_pic_num_minus1 = get_ue(cedarv_regs);
(void)abs_diff_pic_num_minus1;
}
else if (modification_of_pic_nums_idc == 2)
{
unsigned int long_term_pic_num = get_ue(cedarv_regs);
(void)long_term_pic_num;
}
} while (modification_of_pic_nums_idc != 3);
}
}
}
static void pred_weight_table(h264_context_t *c)
{
h264_header_t *h = &c->header;
int i, j, ChromaArrayType = 1;
void* cedarv_regs = cedarv_get_regs();
h->luma_log2_weight_denom = get_ue(cedarv_regs);
if (ChromaArrayType != 0)
h->chroma_log2_weight_denom = get_ue(cedarv_regs);
for (i = 0; i < 32; i++)
{
h->luma_weight_l0[i] = (1 << h->luma_log2_weight_denom);
h->luma_weight_l1[i] = (1 << h->luma_log2_weight_denom);
h->chroma_weight_l0[i][0] = (1 << h->chroma_log2_weight_denom);
h->chroma_weight_l1[i][0] = (1 << h->chroma_log2_weight_denom);
h->chroma_weight_l0[i][1] = (1 << h->chroma_log2_weight_denom);
h->chroma_weight_l1[i][1] = (1 << h->chroma_log2_weight_denom);
}
for (i = 0; i <= h->num_ref_idx_l0_active_minus1; i++)
{
int luma_weight_l0_flag = get_u(cedarv_regs, 1);
if (luma_weight_l0_flag)
{
h->luma_weight_l0[i] = get_se(cedarv_regs);
h->luma_offset_l0[i] = get_se(cedarv_regs);
}
if (ChromaArrayType != 0)
{
int chroma_weight_l0_flag = get_u(cedarv_regs, 1);
if (chroma_weight_l0_flag)
for (j = 0; j < 2; j++)
{
h->chroma_weight_l0[i][j] = get_se(cedarv_regs);
h->chroma_offset_l0[i][j] = get_se(cedarv_regs);
}
}
}
if (h->slice_type == SLICE_TYPE_B)
for (i = 0; i <= h->num_ref_idx_l1_active_minus1; i++)
{
int luma_weight_l1_flag = get_u(cedarv_regs, 1);
if (luma_weight_l1_flag)
{
h->luma_weight_l1[i] = get_se(cedarv_regs);
h->luma_offset_l1[i] = get_se(cedarv_regs);
}
if (ChromaArrayType != 0)
{
int chroma_weight_l1_flag = get_u(cedarv_regs, 1);
if (chroma_weight_l1_flag)
for (j = 0; j < 2; j++)
{
h->chroma_weight_l1[i][j] = get_se(cedarv_regs);
h->chroma_offset_l1[i][j] = get_se(cedarv_regs);
}
}
}
writel(((h->chroma_log2_weight_denom & 0xf) << 4)
| ((h->luma_log2_weight_denom & 0xf) << 0)
, cedarv_regs + CEDARV_H264_PRED_WEIGHT);
writel(CEDARV_SRAM_H264_PRED_WEIGHT_TABLE, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < 32; i++)
writel(((h->luma_offset_l0[i] & 0x1ff) << 16)
| (h->luma_weight_l0[i] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 32; i++)
for (j = 0; j < 2; j++)
writel(((h->chroma_offset_l0[i][j] & 0x1ff) << 16)
| (h->chroma_weight_l0[i][j] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 32; i++)
writel(((h->luma_offset_l1[i] & 0x1ff) << 16)
| (h->luma_weight_l1[i] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 32; i++)
for (j = 0; j < 2; j++)
writel(((h->chroma_offset_l1[i][j] & 0x1ff) << 16)
| (h->chroma_weight_l1[i][j] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
static void dec_ref_pic_marking(h264_context_t *c)
{
void* cedarv_regs = cedarv_get_regs();
h264_header_t *h = &c->header;
// only reads bits to allow decoding, doesn't mark anything
if (h->nal_unit_type == 5)
{
get_u(cedarv_regs, 1);
get_u(cedarv_regs, 1);
}
else
{
int adaptive_ref_pic_marking_mode_flag = get_u(cedarv_regs, 1);
if (adaptive_ref_pic_marking_mode_flag)
{
unsigned int memory_management_control_operation;
do
{
memory_management_control_operation = get_ue(cedarv_regs);
if (memory_management_control_operation == 1 || memory_management_control_operation == 3)
{
get_ue(cedarv_regs);
}
if (memory_management_control_operation == 2)
{
get_ue(cedarv_regs);
}
if (memory_management_control_operation == 3 || memory_management_control_operation == 6)
{
get_ue(cedarv_regs);
}
if (memory_management_control_operation == 4)
{
get_ue(cedarv_regs);
}
} while (memory_management_control_operation != 0);
}
}
}
static int pic_order_cnt(const h264_picture_t *pic)
{
if (pic->field == PIC_FRAME)
return min(pic->top_pic_order_cnt, pic->bottom_pic_order_cnt);
else if (pic->field == PIC_TOP_FIELD)
return pic->top_pic_order_cnt;
else
return pic->bottom_pic_order_cnt;
}
static int sort_ref_pics_by_poc(const void *p1, const void *p2)
{
const h264_picture_t *r1 = p1;
const h264_picture_t *r2 = p2;
return pic_order_cnt(r1) - pic_order_cnt(r2);
}
static int sort_ref_pics_by_frame_num(const void *p1, const void *p2)
{
const h264_picture_t *r1 = p1;
const h264_picture_t *r2 = p2;
return r1->frame_idx - r2->frame_idx;
}
static void split_ref_fields(h264_picture_t *out, h264_picture_t **in, int len, int cur_field)
{
int even = 0, odd = 0;
int index = 0;
while (even < len || odd < len)
{
while (even < len && !(in[even]->field & cur_field))
even++;
if (even < len)
{
out[index] = *in[even++];
out[index].field = cur_field;
index++;
}
while (odd < len && !(in[odd]->field & (cur_field ^ PIC_FRAME)))
odd++;
if (odd < len)
{
out[index] = *in[odd++];
out[index].field = cur_field ^ PIC_FRAME;
index++;
}
}
}
static void fill_default_ref_pic_list(h264_context_t *c)
{
h264_header_t *h = &c->header;
VdpPictureInfoH264 const *info = c->info;
int cur_field = h->field_pic_flag ? (h->bottom_field_flag ? PIC_BOTTOM_FIELD : PIC_TOP_FIELD) : PIC_FRAME;
if (h->slice_type == SLICE_TYPE_P)
{
qsort(c->ref_pic, c->ref_count, sizeof(c->ref_pic[0]), &sort_ref_pics_by_frame_num);
int i;
int ptr0 = 0;
h264_picture_t *sorted[16];
for (i = 0; i < c->ref_count; i++)
{
if (c->ref_pic[c->ref_count - 1 - i].frame_idx <= info->frame_num)
sorted[ptr0++] = &c->ref_pic[c->ref_count - 1 - i];
}
for (i = 0; i < c->ref_count; i++)
{
if (c->ref_pic[c->ref_count - 1 - i].frame_idx > info->frame_num)
sorted[ptr0++] = &c->ref_pic[c->ref_count - 1 - i];
}
split_ref_fields(h->RefPicList0, sorted, c->ref_count, cur_field);
}
else if (h->slice_type == SLICE_TYPE_B)
{
qsort(c->ref_pic, c->ref_count, sizeof(c->ref_pic[0]), &sort_ref_pics_by_poc);
int cur_poc;
if (h->field_pic_flag)
cur_poc = (uint16_t)info->field_order_cnt[cur_field == PIC_BOTTOM_FIELD];
else
cur_poc = min((uint16_t)info->field_order_cnt[0], (uint16_t)info->field_order_cnt[1]);
int i;
int ptr0 = 0, ptr1 = 0;
h264_picture_t *sorted[2][16];
for (i = 0; i < c->ref_count; i++)
{
if (pic_order_cnt(&c->ref_pic[c->ref_count - 1 - i]) <= cur_poc)
sorted[0][ptr0++] = &c->ref_pic[c->ref_count - 1 - i];
if (pic_order_cnt(&c->ref_pic[i]) > cur_poc)
sorted[1][ptr1++] = &c->ref_pic[i];
}
for (i = 0; i < c->ref_count; i++)
{
if (pic_order_cnt(&c->ref_pic[i]) > cur_poc)
sorted[0][ptr0++] = &c->ref_pic[i];
if (pic_order_cnt(&c->ref_pic[c->ref_count - 1 - i]) <= cur_poc)
sorted[1][ptr1++] = &c->ref_pic[c->ref_count - 1 - i];
}
split_ref_fields(h->RefPicList0, sorted[0], c->ref_count, cur_field);
split_ref_fields(h->RefPicList1, sorted[1], c->ref_count, cur_field);
}
}
static void decode_slice_header(h264_context_t *c)
{
void* cedarv_regs = cedarv_get_regs();
h264_header_t *h = &c->header;
VdpPictureInfoH264 const *info = c->info;
h->num_ref_idx_l0_active_minus1 = info->num_ref_idx_l0_active_minus1;
h->num_ref_idx_l1_active_minus1 = info->num_ref_idx_l1_active_minus1;
h->first_mb_in_slice = get_ue(cedarv_regs);
h->slice_type = get_ue(cedarv_regs);
if (h->slice_type >= 5)
h->slice_type -= 5;
h->pic_parameter_set_id = get_ue(cedarv_regs);
// separate_colour_plane_flag isn't available in VDPAU
/*if (separate_colour_plane_flag == 1)
colour_plane_id u(2)*/
h->frame_num = get_u(cedarv_regs, info->log2_max_frame_num_minus4 + 4);
if (!info->frame_mbs_only_flag)
{
h->field_pic_flag = get_u(cedarv_regs, 1);
if (h->field_pic_flag)
h->bottom_field_flag = get_u(cedarv_regs, 1);
}
if (h->nal_unit_type == 5)
h->idr_pic_id = get_ue(cedarv_regs);
if (info->pic_order_cnt_type == 0)
{
h->pic_order_cnt_lsb = get_u(cedarv_regs, info->log2_max_pic_order_cnt_lsb_minus4 + 4);
if (info->pic_order_present_flag && !info->field_pic_flag)
h->delta_pic_order_cnt_bottom = get_se(cedarv_regs);
}
if (info->pic_order_cnt_type == 1 && !info->delta_pic_order_always_zero_flag)
{
h->delta_pic_order_cnt[0] = get_se(cedarv_regs);
if (info->pic_order_present_flag && !info->field_pic_flag)
h->delta_pic_order_cnt[1] = get_se(cedarv_regs);
}
if (info->redundant_pic_cnt_present_flag)
h->redundant_pic_cnt = get_ue(cedarv_regs);
if (h->slice_type == SLICE_TYPE_B)
h->direct_spatial_mv_pred_flag = get_u(cedarv_regs, 1);
if (h->slice_type == SLICE_TYPE_P || h->slice_type == SLICE_TYPE_SP || h->slice_type == SLICE_TYPE_B)
{
h->num_ref_idx_active_override_flag = get_u(cedarv_regs, 1);
if (h->num_ref_idx_active_override_flag)
{
h->num_ref_idx_l0_active_minus1 = get_ue(cedarv_regs);
if (h->slice_type == SLICE_TYPE_B)
h->num_ref_idx_l1_active_minus1 = get_ue(cedarv_regs);
}
}
fill_default_ref_pic_list(c);
if (h->nal_unit_type == 20)
{}//ref_pic_list_mvc_modification(); // specified in Annex H
else
ref_pic_list_modification(c);
if ((info->weighted_pred_flag && (h->slice_type == SLICE_TYPE_P || h->slice_type == SLICE_TYPE_SP)) || (info->weighted_bipred_idc == 1 && h->slice_type == SLICE_TYPE_B))
pred_weight_table(c);
if (info->is_reference)
dec_ref_pic_marking(c);
if (info->entropy_coding_mode_flag && h->slice_type != SLICE_TYPE_I && h->slice_type != SLICE_TYPE_SI)
h->cabac_init_idc = get_ue(cedarv_regs);
h->slice_qp_delta = get_se(cedarv_regs);
if (h->slice_type == SLICE_TYPE_SP || h->slice_type == SLICE_TYPE_SI)
{
if (h->slice_type == SLICE_TYPE_SP)
h->sp_for_switch_flag = get_u(cedarv_regs, 1);
h->slice_qs_delta = get_se(cedarv_regs);
}
if (info->deblocking_filter_control_present_flag)
{
h->disable_deblocking_filter_idc = get_ue(cedarv_regs);
if (h->disable_deblocking_filter_idc != 1)
{
h->slice_alpha_c0_offset_div2 = get_se(cedarv_regs);
h->slice_beta_offset_div2 = get_se(cedarv_regs);
}
}
// num_slice_groups_minus1, slice_group_map_type, slice_group_map_type aren't available in VDPAU
/*if (num_slice_groups_minus1 > 0 && slice_group_map_type >= 3 && slice_group_map_type <= 5)
slice_group_change_cycle u(v)*/
}
static void fill_frame_lists(h264_context_t *c)
{
int i;
h264_video_private_t *output_p = (h264_video_private_t *)c->output->decoder_private;
void* cedarv_regs = cedarv_get_regs();
// collect reference frames
h264_picture_t *frame_list[18];
memset(frame_list, 0, sizeof(frame_list));
int output_placed = 0;
for (i = 0; i < 16; i++)
{
const VdpReferenceFrameH264 *rf = &(c->info->referenceFrames[i]);
if (rf->surface != VDP_INVALID_HANDLE)
{
if (rf->is_long_term)
printf("NOT IMPLEMENTED: We got a longterm reference!\n");
video_surface_ctx_t *surface = handle_get(rf->surface);
if(surface && surface->frame_decoded)
{
if (surface == c->output)
output_placed = 1;
h264_video_private_t *surface_p = (h264_video_private_t *)surface->decoder_private;
if (!surface_p)
{
printf("non-existent reference frame, fake it\n");
surface_p = calloc(1, sizeof(h264_video_private_t));
surface_p->extra_data_len = (c->picture_width_in_mbs_minus1 + 1) *
(c->picture_height_in_mbs_minus1 + 1) * 32;
surface_p->extra_data = cedarv_malloc(surface_p->extra_data_len);
surface_p->pos = 0;
surface->decoder_private = surface_p;
surface->decoder_private_free = h264_video_private_free;
}
c->ref_pic[c->ref_count].surface = surface;
c->ref_pic[c->ref_count].top_pic_order_cnt = rf->field_order_cnt[0];
c->ref_pic[c->ref_count].bottom_pic_order_cnt = rf->field_order_cnt[1];
c->ref_pic[c->ref_count].frame_idx = rf->frame_idx;
c->ref_pic[c->ref_count].field =
(rf->top_is_reference ? PIC_TOP_FIELD : 0) |
(rf->bottom_is_reference ? PIC_BOTTOM_FIELD : 0);
c->ref_pic[c->ref_count].pic_type =
(rf->top_is_reference ? 0 : 2) |
(rf->bottom_is_reference ? 0 : 2) << 4 |
((c->info->mb_adaptive_frame_field_flag ? 2 : 0) << 8 );
frame_list[surface_p->pos] = &c->ref_pic[c->ref_count];
++c->ref_count;
c->ref_count = c->ref_count & 0xf;
handle_release(rf->surface);
}
else
printf("surface=%x, frame_dec=%d\n", surface, surface ? surface->frame_decoded : 0);
}
}
// write picture buffer list
writel(CEDARV_SRAM_H264_FRAMEBUFFER_LIST, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < 18; i++)
{
if (!output_placed && !frame_list[i])
{
writel((uint16_t)c->info->field_order_cnt[0], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel((uint16_t)c->info->field_order_cnt[1], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
uint32_t value = 0;
value |= (c->header.isNalRefIdc ? 0 : 2) << 0;
value |= (c->header.isNalRefIdc ? 0 : 2) << 4;
value |= ((output_p->pic_type == PIC_TYPE_MBAFF) ? 2 : 0) << 8;
writel(value, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
/* writel(surface_p->pic_type << 8, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA); */
writel(cedarv_virt2phys(c->output->dataY), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(c->output->dataU), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(output_p->extra_data), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(output_p->extra_data) + (output_p->extra_data_len / 2),
cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(0, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
output_p->pos = i;
output_placed = 1;
}
else if (!frame_list[i])
{
int j;
for (j = 0; j < 8; j++)
writel(0x0, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
else
{
video_surface_ctx_t *surface = frame_list[i]->surface;
h264_video_private_t *surface_p = (h264_video_private_t *)surface->decoder_private;
writel(frame_list[i]->top_pic_order_cnt, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(frame_list[i]->bottom_pic_order_cnt, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
/* uint32_t value = 0;
value |= (c->header.isNalRefIdc ? 0 : 2) << 0;
value |= (c->header.isNalRefIdc ? 0 : 2) << 4;
value |= ((output_p->pic_type == PIC_TYPE_MBAFF) ? 2 : 0) << 8;
writel(value, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA); */
writel(surface_p->pic_type << 8, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface->dataY), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface->dataU), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface_p->extra_data), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface_p->extra_data) + (surface_p->extra_data_len / 2),
cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(0, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
}
// output index
writel(output_p->pos, cedarv_regs + CEDARV_H264_OUTPUT_FRAME_IDX);
// sort reference frame list
//qsort(c->ref_pic, c->ref_count, sizeof(c->ref_pic[0]), &sort_ref_frames);
}
unsigned long num_pics=0;
unsigned long num_longs=0;
// VDPAU does not tell us if the scaling lists are default or custom
static int check_scaling_lists(h264_context_t *c)
{
const uint32_t *sl4 = (uint32_t *)&c->info->scaling_lists_4x4[0][0];
const uint32_t *sl8 = (uint32_t *)&c->info->scaling_lists_8x8[0][0];
int i;
for (i = 0; i < 6 * 16 / 4; i++)
if (sl4[i] != 0x10101010)
return 0;
for (i = 0; i < 2 * 64 / 4; i++)
if (sl8[i] != 0x10101010)
return 0;
return 1;
}
static VdpStatus h264_decode(decoder_ctx_t *decoder, VdpPictureInfo const *_info, const int len, video_surface_ctx_t *output)
{
h264_private_t *decoder_p = (h264_private_t *)decoder->private;
VdpPictureInfoH264 const *info = (VdpPictureInfoH264 const *)_info;
unsigned long value = 0;
h264_video_private_t *output_p;
h264_context_t *c = calloc(1, sizeof(h264_context_t));
c->picture_width_in_mbs_minus1 = (decoder->width - 1) / 16;
if (!info->frame_mbs_only_flag)
c->picture_height_in_mbs_minus1 = ((decoder->height / 2) - 1) / 16;
else
c->picture_height_in_mbs_minus1 = (decoder->height - 1) / 16;
#if DEBUG
printf("width:%d, height:%d, width_in_mbs-1=%d, height_in_mbs-1=%d\n", decoder->width, decoder->height,
c->picture_width_in_mbs_minus1, c->picture_height_in_mbs_minus1);
#endif
c->info = info;
c->output = output;
if (!c->output->decoder_private)
{
output_p = calloc(1, sizeof(h264_video_private_t));
if (!output_p)
return VDP_STATUS_RESOURCES;
// create extra buffer
int MvColBufSize = (c->picture_height_in_mbs_minus1 + 1)*(2 - c->info->frame_mbs_only_flag);
MvColBufSize = (MvColBufSize+1)/2;
output_p->extra_data_len = (c->picture_width_in_mbs_minus1 + 1) * MvColBufSize * 32 * 2;
output_p->extra_data = cedarv_malloc(output_p->extra_data_len);
c->output->decoder_private = output_p;
c->output->decoder_private_free = h264_video_private_free;
}
else
output_p = c->output->decoder_private;
if (info->field_pic_flag)
output_p->pic_type = PIC_TYPE_FIELD;
else if (info->mb_adaptive_frame_field_flag)
output_p->pic_type = PIC_TYPE_MBAFF;
else
output_p->pic_type = PIC_TYPE_FRAME;
void* cedarv_regs = cedarv_get(CEDARV_ENGINE_H264, (decoder->width >= 2048 ? 0x1 : 0x0) << 21);
// activate H264 engine
// writel((readl(cedarv_regs + CEDARV_CTRL) & ~0xf) | 0x1
// | ((decoder->width >= 2048 ? 0x1 : 0x0) << 21), cedarv_regs + CEDARV_CTRL);
// some buffers
uint32_t mbFieldIntraBuf = cedarv_virt2phys(decoder_p->mbFieldIntraBuf);
writel(mbFieldIntraBuf, cedarv_regs + CEDARV_H264_FIELD_INTRA_INFO_BUF);
uint32_t mbNeighborInfoBuf = cedarv_virt2phys(decoder_p->mbNeighborInfoBuf);
writel(mbNeighborInfoBuf, cedarv_regs + CEDARV_H264_NEIGHBOR_INFO_BUF);
if (cedarv_get_version() == 0x1625 || decoder->width >= 2048)
{
writel(decoder->width >= 2048 ? 0x5 : 0xa, cedarv_regs + CEDARV_IPD_DBLK_BUF_CTRL);
writel(cedarv_virt2phys(decoder_p->deBlkDramBuf), cedarv_regs + CEDARV_IPD_BUF);
writel(cedarv_virt2phys(decoder_p->intraPredDramBuf), cedarv_regs + CEDARV_DBLK_BUF);
}
// write custom scaling lists
if (!(c->default_scaling_lists = check_scaling_lists(c)))
{
const uint32_t *sl4 = (uint32_t *)&c->info->scaling_lists_4x4[0][0];
const uint32_t *sl8 = (uint32_t *)&c->info->scaling_lists_8x8[0][0];
writel(CEDARV_SRAM_H264_SCALING_LISTS, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
int i;
for (i = 0; i < 2 * 64 / 4; i++)
writel(sl8[i], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 6 * 16 / 4; i++)
writel(sl4[i], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
// sdctrl
writel(0x00000000, cedarv_regs + CEDARV_H264_SDROT_CTRL);
if (output->source_format == VDP_YCBCR_FORMAT_NV12)
{
int align = output->alignment[0];
writel(OUTPUT_FORMAT_NV12 | EXTRA_OUTPUT_FORMAT_NV12, cedarv_regs + CEDARV_OUTPUT_FORMAT);
writel((0x1 << 30) | (0x1 << 28) , cedarv_regs + CEDARV_EXTRA_OUT_FMT_OFFSET);
writel((ALIGN(output->width, align)/2 << 16) | ALIGN(output->width, align), cedarv_regs + CEDARV_OUTPUT_STRIDE);
writel((ALIGN(output->width, align)/2 << 16) | ALIGN(output->width, align), cedarv_regs + CEDARV_EXTRA_OUT_STRIDE);
}
/*
if (cedarv_get_version() >= 0x1680)
{
writel(cedarv_virt2phys(c->output->dataY), c->regs + CEDARV_H264_SDROT_LUMA);
writel(cedarv_virt2phys(c->output->dataU), c->regs + CEDARV_H264_SDROT_CHROMA);
writel((0x2 << 30) | (0x1 << 28) | (cedarv_getSize(c->output->dataU) / 2), c->regs + CEDARV_EXTRA_OUT_FMT_OFFSET);
}
*/
fill_frame_lists(c);
writel(0x00000000, cedarv_regs + CEDARV_H264_CUR_MB_NUM);
writel(0x00000000, cedarv_regs + CEDARV_H264_MB_ADDR);
#if DEBUG
printf("start slice decoding!\n");
#endif
unsigned int slice, pos = 0;
for (slice = 0; slice < info->slice_count; slice++)
{
h264_header_t *h = &c->header;
memset(h, 0, sizeof(h264_header_t));
pos = find_startcode(decoder->data, len, pos) + 3;
h->nal_unit_type = cedarv_byteAccess(decoder->data, pos++);
#if DEBUG
printf("nal_unit_type=%d\n", h->nal_unit_type);
#endif
h->isNalRefIdc = (h->nal_unit_type & 0x60) ? 1: 0;
h->nal_unit_type &= 0x1f;
if (h->nal_unit_type != 5 && h->nal_unit_type != 1)
{
free(c);
cedarv_put();
return VDP_STATUS_ERROR;
}
// Enable startcode detect and ??
writel((0x1 << 25) | (0x1 << 10), cedarv_regs + CEDARV_H264_CTRL);
// input buffer
writel((len /*- pos*/) * 8, cedarv_regs + CEDARV_H264_VLD_LEN);
writel(pos * 8, cedarv_regs + CEDARV_H264_VLD_OFFSET);
uint32_t input_addr = cedarv_virt2phys(decoder->data);
writel(input_addr + VBV_SIZE - 1, cedarv_regs + CEDARV_H264_VLD_END);
writel((input_addr & 0x0ffffff0) | (input_addr >> 28) | (0x7 << 28), cedarv_regs + CEDARV_H264_VLD_ADDR);
writel(0x7, cedarv_regs + CEDARV_H264_TRIGGER);
int i;
decode_slice_header(c);
#if 1
// write RefPicLists
if (h->slice_type != SLICE_TYPE_I && h->slice_type != SLICE_TYPE_SI)
{
writel(CEDARV_SRAM_H264_REF_LIST0, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < h->num_ref_idx_l0_active_minus1 + 1; i += 4)
{
int j;
uint32_t list = 0;
for (j = 0; j < 4; j++)
if (h->RefPicList0[i + j].surface)
{
if( h->RefPicList0[i + j].surface && h->RefPicList0[i + j].surface->frame_decoded)
{
h264_video_private_t *surface_p = (h264_video_private_t *)h->RefPicList0[i + j].surface->decoder_private;
list |= ((surface_p->pos * 2 | (h->RefPicList0[i + j].field == PIC_BOTTOM_FIELD)) << (j * 8));
}
}
writel(list, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
}
if (h->slice_type == SLICE_TYPE_B)
{
writel(CEDARV_SRAM_H264_REF_LIST1, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < h->num_ref_idx_l1_active_minus1 + 1; i += 4)
{
int j;
uint32_t list = 0;
for (j = 0; j < 4; j++)
if (h->RefPicList1[i + j].surface && h->RefPicList1[i + j].surface->frame_decoded)
{
h264_video_private_t *surface_p = (h264_video_private_t *)h->RefPicList1[i + j].surface->decoder_private;
list |= ((surface_p->pos * 2 | (h->RefPicList1[i + j].field == PIC_BOTTOM_FIELD)) << (j * 8));
}
writel(list, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
}
#endif
// picture parameters
writel(((info->entropy_coding_mode_flag & 0x1) << 15)
| ((info->num_ref_idx_l0_active_minus1 & 0x1f) << 10)
| ((info->num_ref_idx_l1_active_minus1 & 0x1f) << 5)
| ((info->weighted_pred_flag & 0x1) << 4)
| ((info->weighted_bipred_idc & 0x3) << 2)
| ((info->constrained_intra_pred_flag & 0x1) << 1)
| ((info->transform_8x8_mode_flag & 0x1) << 0)
, cedarv_regs + CEDARV_H264_PIC_HDR);
// sequence parameters
writel((0x1 << 19) //chroma_format_idc
| ((c->info->frame_mbs_only_flag & 0x1) << 18)