| e9a77f4b |
/*
* H.26L/H.264/AVC/JVT/14496-10/... decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
* |
| 0626211b |
* This file is part of FFmpeg. |
| e9a77f4b |
* |
| 0626211b |
* FFmpeg is free software; you can redistribute it and/or |
| e9a77f4b |
* 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.
* |
| 0626211b |
* FFmpeg is distributed in the hope that it will be useful, |
| e9a77f4b |
* 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 |
| 0626211b |
* License along with FFmpeg; if not, write to the Free Software |
| e9a77f4b |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file |
| 41ed7ab4 |
* H.264 / AVC / MPEG-4 part10 macroblock decoding |
| e9a77f4b |
*/
#include <stdint.h>
#include "config.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h" |
| 9df889a5 |
#include "h264dec.h" |
| f638b67e |
#include "h264_ps.h" |
| 368f5035 |
#include "qpeldsp.h" |
| e9a77f4b |
#include "thread.h"
|
| 6490a0c0 |
static inline int get_lowest_part_list_y(H264SliceContext *sl, |
| 94295106 |
int n, int height, int y_offset, int list) |
| e9a77f4b |
{ |
| e6287f07 |
int raw_my = sl->mv_cache[list][scan8[n]][1]; |
| e9a77f4b |
int filter_height_down = (raw_my & 3) ? 3 : 0;
int full_my = (raw_my >> 2) + y_offset;
int bottom = full_my + filter_height_down + height;
|
| 0626211b |
av_assert2(height >= 0);
return FFMAX(0, bottom); |
| e9a77f4b |
}
|
| 6490a0c0 |
static inline void get_lowest_part_y(const H264Context *h, H264SliceContext *sl, |
| f1436a7f |
int16_t refs[2][48], int n, |
| e9a77f4b |
int height, int y_offset, int list0,
int list1, int *nrefs)
{
int my;
|
| bc98e8c0 |
y_offset += 16 * (sl->mb_y >> MB_FIELD(sl)); |
| e9a77f4b |
if (list0) { |
| e6287f07 |
int ref_n = sl->ref_cache[0][scan8[n]]; |
| a12d3188 |
H264Ref *ref = &sl->ref_list[0][ref_n]; |
| e9a77f4b |
// Error resilience puts the current picture in the ref list.
// Don't try to wait on these as it will cause a deadlock.
// Fields can wait on each other, though. |
| a12d3188 |
if (ref->parent->tf.progress->data != h->cur_pic.tf.progress->data || |
| e9a77f4b |
(ref->reference & 3) != h->picture_structure) { |
| 94295106 |
my = get_lowest_part_list_y(sl, n, height, y_offset, 0); |
| e9a77f4b |
if (refs[0][ref_n] < 0)
nrefs[0] += 1;
refs[0][ref_n] = FFMAX(refs[0][ref_n], my);
}
}
if (list1) { |
| e6287f07 |
int ref_n = sl->ref_cache[1][scan8[n]]; |
| a12d3188 |
H264Ref *ref = &sl->ref_list[1][ref_n]; |
| e9a77f4b |
|
| a12d3188 |
if (ref->parent->tf.progress->data != h->cur_pic.tf.progress->data || |
| e9a77f4b |
(ref->reference & 3) != h->picture_structure) { |
| 94295106 |
my = get_lowest_part_list_y(sl, n, height, y_offset, 1); |
| e9a77f4b |
if (refs[1][ref_n] < 0)
nrefs[1] += 1;
refs[1][ref_n] = FFMAX(refs[1][ref_n], my);
}
}
}
/**
* Wait until all reference frames are available for MC operations.
* |
| 41ed7ab4 |
* @param h the H.264 context |
| e9a77f4b |
*/ |
| 6490a0c0 |
static void await_references(const H264Context *h, H264SliceContext *sl) |
| e9a77f4b |
{ |
| 0edbe6fa |
const int mb_xy = sl->mb_xy; |
| e9a77f4b |
const int mb_type = h->cur_pic.mb_type[mb_xy]; |
| 33fc1ccb |
int16_t refs[2][48]; |
| e9a77f4b |
int nrefs[2] = { 0 };
int ref, list;
memset(refs, -1, sizeof(refs));
if (IS_16X16(mb_type)) { |
| e6287f07 |
get_lowest_part_y(h, sl, refs, 0, 16, 0, |
| e9a77f4b |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
} else if (IS_16X8(mb_type)) { |
| e6287f07 |
get_lowest_part_y(h, sl, refs, 0, 8, 0, |
| e9a77f4b |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); |
| e6287f07 |
get_lowest_part_y(h, sl, refs, 8, 8, 8, |
| e9a77f4b |
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else if (IS_8X16(mb_type)) { |
| e6287f07 |
get_lowest_part_y(h, sl, refs, 0, 16, 0, |
| e9a77f4b |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); |
| e6287f07 |
get_lowest_part_y(h, sl, refs, 4, 16, 0, |
| e9a77f4b |
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else {
int i;
|
| 0626211b |
av_assert2(IS_8X8(mb_type)); |
| e9a77f4b |
for (i = 0; i < 4; i++) { |
| ed451a08 |
const int sub_mb_type = sl->sub_mb_type[i]; |
| e9a77f4b |
const int n = 4 * i;
int y_offset = (i & 2) << 2;
if (IS_SUB_8X8(sub_mb_type)) { |
| e6287f07 |
get_lowest_part_y(h, sl, refs, n, 8, y_offset, |
| e9a77f4b |
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_8X4(sub_mb_type)) { |
| e6287f07 |
get_lowest_part_y(h, sl, refs, n, 4, y_offset, |
| e9a77f4b |
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs); |
| e6287f07 |
get_lowest_part_y(h, sl, refs, n + 2, 4, y_offset + 4, |
| e9a77f4b |
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_4X8(sub_mb_type)) { |
| e6287f07 |
get_lowest_part_y(h, sl, refs, n, 8, y_offset, |
| e9a77f4b |
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs); |
| e6287f07 |
get_lowest_part_y(h, sl, refs, n + 1, 8, y_offset, |
| e9a77f4b |
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else {
int j; |
| 0626211b |
av_assert2(IS_SUB_4X4(sub_mb_type)); |
| e9a77f4b |
for (j = 0; j < 4; j++) {
int sub_y_offset = y_offset + 2 * (j & 2); |
| e6287f07 |
get_lowest_part_y(h, sl, refs, n + j, 4, sub_y_offset, |
| e9a77f4b |
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
}
}
}
}
|
| 95eb35f3 |
for (list = sl->list_count - 1; list >= 0; list--) |
| e9a77f4b |
for (ref = 0; ref < 48 && nrefs[list]; ref++) {
int row = refs[list][ref];
if (row >= 0) { |
| a12d3188 |
H264Ref *ref_pic = &sl->ref_list[list][ref]; |
| e9a77f4b |
int ref_field = ref_pic->reference - 1; |
| a12d3188 |
int ref_field_picture = ref_pic->parent->field_picture; |
| e9a77f4b |
int pic_height = 16 * h->mb_height >> ref_field_picture;
|
| e9b2383b |
row <<= MB_MBAFF(sl); |
| e9a77f4b |
nrefs[list]--;
if (!FIELD_PICTURE(h) && ref_field_picture) { // frame referencing two fields |
| 60e7d2d7 |
av_assert2((ref_pic->parent->reference & 3) == 3); |
| a12d3188 |
ff_thread_await_progress(&ref_pic->parent->tf, |
| e9a77f4b |
FFMIN((row >> 1) - !(row & 1),
pic_height - 1),
1); |
| a12d3188 |
ff_thread_await_progress(&ref_pic->parent->tf, |
| e9a77f4b |
FFMIN((row >> 1), pic_height - 1),
0);
} else if (FIELD_PICTURE(h) && !ref_field_picture) { // field referencing one field of a frame |
| a12d3188 |
ff_thread_await_progress(&ref_pic->parent->tf, |
| e9a77f4b |
FFMIN(row * 2 + ref_field,
pic_height - 1),
0);
} else if (FIELD_PICTURE(h)) { |
| a12d3188 |
ff_thread_await_progress(&ref_pic->parent->tf, |
| e9a77f4b |
FFMIN(row, pic_height - 1),
ref_field);
} else { |
| a12d3188 |
ff_thread_await_progress(&ref_pic->parent->tf, |
| e9a77f4b |
FFMIN(row, pic_height - 1),
0);
}
}
}
}
|
| 6490a0c0 |
static av_always_inline void mc_dir_part(const H264Context *h, H264SliceContext *sl, |
| a12d3188 |
H264Ref *pic, |
| e9a77f4b |
int n, int square, int height,
int delta, int list,
uint8_t *dest_y, uint8_t *dest_cb,
uint8_t *dest_cr,
int src_x_offset, int src_y_offset, |
| 6490a0c0 |
const qpel_mc_func *qpix_op, |
| e9a77f4b |
h264_chroma_mc_func chroma_op,
int pixel_shift, int chroma_idc)
{ |
| e6287f07 |
const int mx = sl->mv_cache[list][scan8[n]][0] + src_x_offset * 8;
int my = sl->mv_cache[list][scan8[n]][1] + src_y_offset * 8; |
| e9a77f4b |
const int luma_xy = (mx & 3) + ((my & 3) << 2); |
| 2cc08cad |
ptrdiff_t offset = (mx >> 2) * (1 << pixel_shift) + (my >> 2) * sl->mb_linesize; |
| a12d3188 |
uint8_t *src_y = pic->data[0] + offset; |
| e9a77f4b |
uint8_t *src_cb, *src_cr;
int extra_width = 0;
int extra_height = 0;
int emu = 0;
const int full_mx = mx >> 2;
const int full_my = my >> 2;
const int pic_width = 16 * h->mb_width; |
| bc98e8c0 |
const int pic_height = 16 * h->mb_height >> MB_FIELD(sl); |
| e9a77f4b |
int ysh;
if (mx & 7)
extra_width -= 3;
if (my & 7)
extra_height -= 3;
if (full_mx < 0 - extra_width ||
full_my < 0 - extra_height ||
full_mx + 16 /*FIXME*/ > pic_width + extra_width ||
full_my + 16 /*FIXME*/ > pic_height + extra_height) { |
| 36d04801 |
h->vdsp.emulated_edge_mc(sl->edge_emu_buffer, |
| 5f390eef |
src_y - (2 << pixel_shift) - 2 * sl->mb_linesize,
sl->mb_linesize, sl->mb_linesize, |
| e9a77f4b |
16 + 5, 16 + 5 /*FIXME*/, full_mx - 2,
full_my - 2, pic_width, pic_height); |
| 36d04801 |
src_y = sl->edge_emu_buffer + (2 << pixel_shift) + 2 * sl->mb_linesize; |
| e9a77f4b |
emu = 1;
}
|
| 5f390eef |
qpix_op[luma_xy](dest_y, src_y, sl->mb_linesize); // FIXME try variable height perhaps? |
| e9a77f4b |
if (!square) |
| 5f390eef |
qpix_op[luma_xy](dest_y + delta, src_y + delta, sl->mb_linesize); |
| e9a77f4b |
|
| 7c6eb0a1 |
if (CONFIG_GRAY && h->flags & AV_CODEC_FLAG_GRAY) |
| e9a77f4b |
return;
if (chroma_idc == 3 /* yuv444 */) { |
| a12d3188 |
src_cb = pic->data[1] + offset; |
| e9a77f4b |
if (emu) { |
| 36d04801 |
h->vdsp.emulated_edge_mc(sl->edge_emu_buffer, |
| 5f390eef |
src_cb - (2 << pixel_shift) - 2 * sl->mb_linesize,
sl->mb_linesize, sl->mb_linesize, |
| e9a77f4b |
16 + 5, 16 + 5 /*FIXME*/,
full_mx - 2, full_my - 2,
pic_width, pic_height); |
| 36d04801 |
src_cb = sl->edge_emu_buffer + (2 << pixel_shift) + 2 * sl->mb_linesize; |
| e9a77f4b |
} |
| 5f390eef |
qpix_op[luma_xy](dest_cb, src_cb, sl->mb_linesize); // FIXME try variable height perhaps? |
| e9a77f4b |
if (!square) |
| 5f390eef |
qpix_op[luma_xy](dest_cb + delta, src_cb + delta, sl->mb_linesize); |
| e9a77f4b |
|
| a12d3188 |
src_cr = pic->data[2] + offset; |
| e9a77f4b |
if (emu) { |
| 36d04801 |
h->vdsp.emulated_edge_mc(sl->edge_emu_buffer, |
| 5f390eef |
src_cr - (2 << pixel_shift) - 2 * sl->mb_linesize,
sl->mb_linesize, sl->mb_linesize, |
| e9a77f4b |
16 + 5, 16 + 5 /*FIXME*/,
full_mx - 2, full_my - 2,
pic_width, pic_height); |
| 36d04801 |
src_cr = sl->edge_emu_buffer + (2 << pixel_shift) + 2 * sl->mb_linesize; |
| e9a77f4b |
} |
| 5f390eef |
qpix_op[luma_xy](dest_cr, src_cr, sl->mb_linesize); // FIXME try variable height perhaps? |
| e9a77f4b |
if (!square) |
| 5f390eef |
qpix_op[luma_xy](dest_cr + delta, src_cr + delta, sl->mb_linesize); |
| e9a77f4b |
return;
}
ysh = 3 - (chroma_idc == 2 /* yuv422 */); |
| bc98e8c0 |
if (chroma_idc == 1 /* yuv420 */ && MB_FIELD(sl)) { |
| e9a77f4b |
// chroma offset when predicting from a field of opposite parity |
| d4d9068c |
my += 2 * ((sl->mb_y & 1) - (pic->reference - 1)); |
| e9a77f4b |
emu |= (my >> 3) < 0 || (my >> 3) + 8 >= (pic_height >> 1);
}
|
| d8151a7e |
src_cb = pic->data[1] + ((mx >> 3) * (1 << pixel_shift)) + |
| 5f390eef |
(my >> ysh) * sl->mb_uvlinesize; |
| d8151a7e |
src_cr = pic->data[2] + ((mx >> 3) * (1 << pixel_shift)) + |
| 5f390eef |
(my >> ysh) * sl->mb_uvlinesize; |
| e9a77f4b |
if (emu) { |
| 36d04801 |
h->vdsp.emulated_edge_mc(sl->edge_emu_buffer, src_cb, |
| 5f390eef |
sl->mb_uvlinesize, sl->mb_uvlinesize, |
| e9a77f4b |
9, 8 * chroma_idc + 1, (mx >> 3), (my >> ysh),
pic_width >> 1, pic_height >> (chroma_idc == 1 /* yuv420 */)); |
| 36d04801 |
src_cb = sl->edge_emu_buffer; |
| e9a77f4b |
} |
| 5f390eef |
chroma_op(dest_cb, src_cb, sl->mb_uvlinesize, |
| e9a77f4b |
height >> (chroma_idc == 1 /* yuv420 */), |
| b7cb8b3d |
mx & 7, ((unsigned)my << (chroma_idc == 2 /* yuv422 */)) & 7); |
| e9a77f4b |
if (emu) { |
| 36d04801 |
h->vdsp.emulated_edge_mc(sl->edge_emu_buffer, src_cr, |
| 5f390eef |
sl->mb_uvlinesize, sl->mb_uvlinesize, |
| e9a77f4b |
9, 8 * chroma_idc + 1, (mx >> 3), (my >> ysh),
pic_width >> 1, pic_height >> (chroma_idc == 1 /* yuv420 */)); |
| 36d04801 |
src_cr = sl->edge_emu_buffer; |
| e9a77f4b |
} |
| 5f390eef |
chroma_op(dest_cr, src_cr, sl->mb_uvlinesize, height >> (chroma_idc == 1 /* yuv420 */), |
| b7cb8b3d |
mx & 7, ((unsigned)my << (chroma_idc == 2 /* yuv422 */)) & 7); |
| e9a77f4b |
}
|
| 6490a0c0 |
static av_always_inline void mc_part_std(const H264Context *h, H264SliceContext *sl, |
| e6287f07 |
int n, int square, |
| e9a77f4b |
int height, int delta,
uint8_t *dest_y, uint8_t *dest_cb,
uint8_t *dest_cr,
int x_offset, int y_offset, |
| 6490a0c0 |
const qpel_mc_func *qpix_put, |
| e9a77f4b |
h264_chroma_mc_func chroma_put, |
| 6490a0c0 |
const qpel_mc_func *qpix_avg, |
| e9a77f4b |
h264_chroma_mc_func chroma_avg,
int list0, int list1,
int pixel_shift, int chroma_idc)
{ |
| 6490a0c0 |
const qpel_mc_func *qpix_op = qpix_put; |
| e9a77f4b |
h264_chroma_mc_func chroma_op = chroma_put;
|
| 5f390eef |
dest_y += (2 * x_offset << pixel_shift) + 2 * y_offset * sl->mb_linesize; |
| e9a77f4b |
if (chroma_idc == 3 /* yuv444 */) { |
| 5f390eef |
dest_cb += (2 * x_offset << pixel_shift) + 2 * y_offset * sl->mb_linesize;
dest_cr += (2 * x_offset << pixel_shift) + 2 * y_offset * sl->mb_linesize; |
| e9a77f4b |
} else if (chroma_idc == 2 /* yuv422 */) { |
| 5f390eef |
dest_cb += (x_offset << pixel_shift) + 2 * y_offset * sl->mb_uvlinesize;
dest_cr += (x_offset << pixel_shift) + 2 * y_offset * sl->mb_uvlinesize; |
| e9a77f4b |
} else { /* yuv420 */ |
| 5f390eef |
dest_cb += (x_offset << pixel_shift) + y_offset * sl->mb_uvlinesize;
dest_cr += (x_offset << pixel_shift) + y_offset * sl->mb_uvlinesize; |
| e9a77f4b |
} |
| d4d9068c |
x_offset += 8 * sl->mb_x; |
| bc98e8c0 |
y_offset += 8 * (sl->mb_y >> MB_FIELD(sl)); |
| e9a77f4b |
if (list0) { |
| a12d3188 |
H264Ref *ref = &sl->ref_list[0][sl->ref_cache[0][scan8[n]]]; |
| e6287f07 |
mc_dir_part(h, sl, ref, n, square, height, delta, 0, |
| e9a77f4b |
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_op, chroma_op, pixel_shift, chroma_idc);
qpix_op = qpix_avg;
chroma_op = chroma_avg;
}
if (list1) { |
| a12d3188 |
H264Ref *ref = &sl->ref_list[1][sl->ref_cache[1][scan8[n]]]; |
| e6287f07 |
mc_dir_part(h, sl, ref, n, square, height, delta, 1, |
| e9a77f4b |
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_op, chroma_op, pixel_shift, chroma_idc);
}
}
|
| 6490a0c0 |
static av_always_inline void mc_part_weighted(const H264Context *h, H264SliceContext *sl, |
| 92c6c2a6 |
int n, int square, |
| e9a77f4b |
int height, int delta,
uint8_t *dest_y, uint8_t *dest_cb,
uint8_t *dest_cr,
int x_offset, int y_offset, |
| 6490a0c0 |
const qpel_mc_func *qpix_put, |
| e9a77f4b |
h264_chroma_mc_func chroma_put,
h264_weight_func luma_weight_op,
h264_weight_func chroma_weight_op,
h264_biweight_func luma_weight_avg,
h264_biweight_func chroma_weight_avg,
int list0, int list1,
int pixel_shift, int chroma_idc)
{
int chroma_height;
|
| 5f390eef |
dest_y += (2 * x_offset << pixel_shift) + 2 * y_offset * sl->mb_linesize; |
| e9a77f4b |
if (chroma_idc == 3 /* yuv444 */) {
chroma_height = height;
chroma_weight_avg = luma_weight_avg;
chroma_weight_op = luma_weight_op; |
| 5f390eef |
dest_cb += (2 * x_offset << pixel_shift) + 2 * y_offset * sl->mb_linesize;
dest_cr += (2 * x_offset << pixel_shift) + 2 * y_offset * sl->mb_linesize; |
| e9a77f4b |
} else if (chroma_idc == 2 /* yuv422 */) {
chroma_height = height; |
| 5f390eef |
dest_cb += (x_offset << pixel_shift) + 2 * y_offset * sl->mb_uvlinesize;
dest_cr += (x_offset << pixel_shift) + 2 * y_offset * sl->mb_uvlinesize; |
| e9a77f4b |
} else { /* yuv420 */
chroma_height = height >> 1; |
| 5f390eef |
dest_cb += (x_offset << pixel_shift) + y_offset * sl->mb_uvlinesize;
dest_cr += (x_offset << pixel_shift) + y_offset * sl->mb_uvlinesize; |
| e9a77f4b |
} |
| d4d9068c |
x_offset += 8 * sl->mb_x; |
| bc98e8c0 |
y_offset += 8 * (sl->mb_y >> MB_FIELD(sl)); |
| e9a77f4b |
if (list0 && list1) {
/* don't optimize for luma-only case, since B-frames usually
* use implicit weights => chroma too. */ |
| 36d04801 |
uint8_t *tmp_cb = sl->bipred_scratchpad;
uint8_t *tmp_cr = sl->bipred_scratchpad + (16 << pixel_shift);
uint8_t *tmp_y = sl->bipred_scratchpad + 16 * sl->mb_uvlinesize; |
| e6287f07 |
int refn0 = sl->ref_cache[0][scan8[n]];
int refn1 = sl->ref_cache[1][scan8[n]]; |
| e9a77f4b |
|
| 95eb35f3 |
mc_dir_part(h, sl, &sl->ref_list[0][refn0], n, square, height, delta, 0, |
| e9a77f4b |
dest_y, dest_cb, dest_cr,
x_offset, y_offset, qpix_put, chroma_put,
pixel_shift, chroma_idc); |
| 95eb35f3 |
mc_dir_part(h, sl, &sl->ref_list[1][refn1], n, square, height, delta, 1, |
| e9a77f4b |
tmp_y, tmp_cb, tmp_cr,
x_offset, y_offset, qpix_put, chroma_put,
pixel_shift, chroma_idc);
|
| e481458b |
if (sl->pwt.use_weight == 2) {
int weight0 = sl->pwt.implicit_weight[refn0][refn1][sl->mb_y & 1]; |
| e9a77f4b |
int weight1 = 64 - weight0; |
| 5f390eef |
luma_weight_avg(dest_y, tmp_y, sl->mb_linesize, |
| e9a77f4b |
height, 5, weight0, weight1, 0); |
| 94d68a41 |
if (!CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { |
| 2cc08cad |
chroma_weight_avg(dest_cb, tmp_cb, sl->mb_uvlinesize, |
| 94f60b65 |
chroma_height, 5, weight0, weight1, 0); |
| 2cc08cad |
chroma_weight_avg(dest_cr, tmp_cr, sl->mb_uvlinesize, |
| 94f60b65 |
chroma_height, 5, weight0, weight1, 0);
} |
| e9a77f4b |
} else { |
| 5f390eef |
luma_weight_avg(dest_y, tmp_y, sl->mb_linesize, height, |
| e481458b |
sl->pwt.luma_log2_weight_denom,
sl->pwt.luma_weight[refn0][0][0],
sl->pwt.luma_weight[refn1][1][0],
sl->pwt.luma_weight[refn0][0][1] +
sl->pwt.luma_weight[refn1][1][1]); |
| 94d68a41 |
if (!CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { |
| 2cc08cad |
chroma_weight_avg(dest_cb, tmp_cb, sl->mb_uvlinesize, chroma_height, |
| ee38234c |
sl->pwt.chroma_log2_weight_denom,
sl->pwt.chroma_weight[refn0][0][0][0],
sl->pwt.chroma_weight[refn1][1][0][0],
sl->pwt.chroma_weight[refn0][0][0][1] +
sl->pwt.chroma_weight[refn1][1][0][1]); |
| 2cc08cad |
chroma_weight_avg(dest_cr, tmp_cr, sl->mb_uvlinesize, chroma_height, |
| ee38234c |
sl->pwt.chroma_log2_weight_denom,
sl->pwt.chroma_weight[refn0][0][1][0],
sl->pwt.chroma_weight[refn1][1][1][0],
sl->pwt.chroma_weight[refn0][0][1][1] +
sl->pwt.chroma_weight[refn1][1][1][1]); |
| 94f60b65 |
} |
| e9a77f4b |
}
} else {
int list = list1 ? 1 : 0; |
| e6287f07 |
int refn = sl->ref_cache[list][scan8[n]]; |
| a12d3188 |
H264Ref *ref = &sl->ref_list[list][refn]; |
| e6287f07 |
mc_dir_part(h, sl, ref, n, square, height, delta, list, |
| e9a77f4b |
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put, chroma_put, pixel_shift, chroma_idc);
|
| 5f390eef |
luma_weight_op(dest_y, sl->mb_linesize, height, |
| e481458b |
sl->pwt.luma_log2_weight_denom,
sl->pwt.luma_weight[refn][list][0],
sl->pwt.luma_weight[refn][list][1]); |
| 94d68a41 |
if (!CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { |
| ee38234c |
if (sl->pwt.use_weight_chroma) { |
| 2cc08cad |
chroma_weight_op(dest_cb, sl->mb_uvlinesize, chroma_height, |
| ee38234c |
sl->pwt.chroma_log2_weight_denom,
sl->pwt.chroma_weight[refn][list][0][0],
sl->pwt.chroma_weight[refn][list][0][1]); |
| 2cc08cad |
chroma_weight_op(dest_cr, sl->mb_uvlinesize, chroma_height, |
| ee38234c |
sl->pwt.chroma_log2_weight_denom,
sl->pwt.chroma_weight[refn][list][1][0],
sl->pwt.chroma_weight[refn][list][1][1]); |
| 94f60b65 |
} |
| e9a77f4b |
}
}
}
|
| 6490a0c0 |
static av_always_inline void prefetch_motion(const H264Context *h, H264SliceContext *sl, |
| e6287f07 |
int list, int pixel_shift,
int chroma_idc) |
| e9a77f4b |
{
/* fetch pixels for estimated mv 4 macroblocks ahead
* optimized for 64byte cache lines */ |
| e6287f07 |
const int refn = sl->ref_cache[list][scan8[0]]; |
| e9a77f4b |
if (refn >= 0) { |
| d4d9068c |
const int mx = (sl->mv_cache[list][scan8[0]][0] >> 2) + 16 * sl->mb_x + 8;
const int my = (sl->mv_cache[list][scan8[0]][1] >> 2) + 16 * sl->mb_y; |
| a12d3188 |
uint8_t **src = sl->ref_list[list][refn].data; |
| b7cb8b3d |
int off = mx * (1<< pixel_shift) + |
| d4d9068c |
(my + (sl->mb_x & 3) * 4) * sl->mb_linesize + |
| e9a77f4b |
(64 << pixel_shift); |
| c28ed1d7 |
h->vdsp.prefetch(src[0] + off, sl->linesize, 4); |
| e9a77f4b |
if (chroma_idc == 3 /* yuv444 */) { |
| c28ed1d7 |
h->vdsp.prefetch(src[1] + off, sl->linesize, 4);
h->vdsp.prefetch(src[2] + off, sl->linesize, 4); |
| e9a77f4b |
} else { |
| fa7c08d5 |
off= ((mx>>1)+64) * (1<<pixel_shift) + ((my>>1) + (sl->mb_x&7))*sl->uvlinesize; |
| e9a77f4b |
h->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
}
}
}
|
| 6490a0c0 |
static av_always_inline void xchg_mb_border(const H264Context *h, H264SliceContext *sl, |
| 8b00f4df |
uint8_t *src_y, |
| e9a77f4b |
uint8_t *src_cb, uint8_t *src_cr,
int linesize, int uvlinesize,
int xchg, int chroma444,
int simple, int pixel_shift)
{
int deblock_topleft;
int deblock_top;
int top_idx = 1;
uint8_t *top_border_m1;
uint8_t *top_border;
if (!simple && FRAME_MBAFF(h)) { |
| d4d9068c |
if (sl->mb_y & 1) { |
| e9b2383b |
if (!MB_MBAFF(sl)) |
| e9a77f4b |
return;
} else { |
| e9b2383b |
top_idx = MB_MBAFF(sl) ? 0 : 1; |
| e9a77f4b |
}
}
|
| e6c90ce9 |
if (sl->deblocking_filter == 2) { |
| 0edbe6fa |
deblock_topleft = h->slice_table[sl->mb_xy - 1 - h->mb_stride] == sl->slice_num; |
| 8b00f4df |
deblock_top = sl->top_type; |
| e9a77f4b |
} else { |
| d4d9068c |
deblock_topleft = (sl->mb_x > 0); |
| bc98e8c0 |
deblock_top = (sl->mb_y > !!MB_FIELD(sl)); |
| e9a77f4b |
}
src_y -= linesize + 1 + pixel_shift;
src_cb -= uvlinesize + 1 + pixel_shift;
src_cr -= uvlinesize + 1 + pixel_shift;
|
| c377e04d |
top_border_m1 = sl->top_borders[top_idx][sl->mb_x - 1];
top_border = sl->top_borders[top_idx][sl->mb_x]; |
| e9a77f4b |
#define XCHG(a, b, xchg) \
if (pixel_shift) { \
if (xchg) { \
AV_SWAP64(b + 0, a + 0); \
AV_SWAP64(b + 8, a + 8); \
} else { \
AV_COPY128(b, a); \
} \
} else if (xchg) \
AV_SWAP64(b, a); \
else \
AV_COPY64(b, a);
if (deblock_top) {
if (deblock_topleft) {
XCHG(top_border_m1 + (8 << pixel_shift),
src_y - (7 << pixel_shift), 1);
}
XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg);
XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1); |
| d4d9068c |
if (sl->mb_x + 1 < h->mb_width) { |
| c377e04d |
XCHG(sl->top_borders[top_idx][sl->mb_x + 1], |
| e9a77f4b |
src_y + (17 << pixel_shift), 1);
} |
| 94d68a41 |
if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { |
| 0626211b |
if (chroma444) { |
| e9a77f4b |
if (deblock_topleft) {
XCHG(top_border_m1 + (24 << pixel_shift), src_cb - (7 << pixel_shift), 1);
XCHG(top_border_m1 + (40 << pixel_shift), src_cr - (7 << pixel_shift), 1);
}
XCHG(top_border + (16 << pixel_shift), src_cb + (1 << pixel_shift), xchg);
XCHG(top_border + (24 << pixel_shift), src_cb + (9 << pixel_shift), 1);
XCHG(top_border + (32 << pixel_shift), src_cr + (1 << pixel_shift), xchg);
XCHG(top_border + (40 << pixel_shift), src_cr + (9 << pixel_shift), 1); |
| d4d9068c |
if (sl->mb_x + 1 < h->mb_width) { |
| c377e04d |
XCHG(sl->top_borders[top_idx][sl->mb_x + 1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1);
XCHG(sl->top_borders[top_idx][sl->mb_x + 1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1); |
| e9a77f4b |
} |
| 0626211b |
} else { |
| e9a77f4b |
if (deblock_topleft) {
XCHG(top_border_m1 + (16 << pixel_shift), src_cb - (7 << pixel_shift), 1);
XCHG(top_border_m1 + (24 << pixel_shift), src_cr - (7 << pixel_shift), 1);
}
XCHG(top_border + (16 << pixel_shift), src_cb + 1 + pixel_shift, 1);
XCHG(top_border + (24 << pixel_shift), src_cr + 1 + pixel_shift, 1);
}
}
}
}
static av_always_inline int dctcoef_get(int16_t *mb, int high_bit_depth,
int index)
{
if (high_bit_depth) {
return AV_RN32A(((int32_t *)mb) + index);
} else
return AV_RN16A(mb + index);
}
static av_always_inline void dctcoef_set(int16_t *mb, int high_bit_depth,
int index, int value)
{
if (high_bit_depth) {
AV_WN32A(((int32_t *)mb) + index, value);
} else
AV_WN16A(mb + index, value);
}
|
| 6490a0c0 |
static av_always_inline void hl_decode_mb_predict_luma(const H264Context *h, |
| d231e84b |
H264SliceContext *sl, |
| 9b30f8dd |
int mb_type, int simple, |
| e9a77f4b |
int transform_bypass,
int pixel_shift, |
| 51822879 |
const int *block_offset, |
| e9a77f4b |
int linesize,
uint8_t *dest_y, int p)
{
void (*idct_add)(uint8_t *dst, int16_t *block, int stride);
void (*idct_dc_add)(uint8_t *dst, int16_t *block, int stride);
int i; |
| d231e84b |
int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1]; |
| e9a77f4b |
block_offset += 16 * p;
if (IS_INTRA4x4(mb_type)) {
if (IS_8x8DCT(mb_type)) {
if (transform_bypass) {
idct_dc_add =
idct_add = h->h264dsp.h264_add_pixels8_clear;
} else {
idct_dc_add = h->h264dsp.h264_idct8_dc_add;
idct_add = h->h264dsp.h264_idct8_add;
}
for (i = 0; i < 16; i += 4) {
uint8_t *const ptr = dest_y + block_offset[i]; |
| 7d8154ed |
const int dir = sl->intra4x4_pred_mode_cache[scan8[i]]; |
| 3176217c |
if (transform_bypass && h->ps.sps->profile_idc == 244 && dir <= 1) { |
| bc987cf9 |
if (h->x264_build < 151U) { |
| 739edc1a |
h->hpc.pred8x8l_add[dir](ptr, sl->mb + (i * 16 + p * 256 << pixel_shift), linesize); |
| 0626211b |
} else |
| 739edc1a |
h->hpc.pred8x8l_filter_add[dir](ptr, sl->mb + (i * 16 + p * 256 << pixel_shift), |
| 6ec279b5 |
(sl-> topleft_samples_available << i) & 0x8000,
(sl->topright_samples_available << i) & 0x4000, linesize); |
| e9a77f4b |
} else { |
| f69574cf |
const int nnz = sl->non_zero_count_cache[scan8[i + p * 16]]; |
| 64c81b2c |
h->hpc.pred8x8l[dir](ptr, (sl->topleft_samples_available << i) & 0x8000,
(sl->topright_samples_available << i) & 0x4000, linesize); |
| e9a77f4b |
if (nnz) { |
| bf03a878 |
if (nnz == 1 && dctcoef_get(sl->mb, pixel_shift, i * 16 + p * 256))
idct_dc_add(ptr, sl->mb + (i * 16 + p * 256 << pixel_shift), linesize); |
| e9a77f4b |
else |
| bf03a878 |
idct_add(ptr, sl->mb + (i * 16 + p * 256 << pixel_shift), linesize); |
| e9a77f4b |
}
}
}
} else {
if (transform_bypass) {
idct_dc_add =
idct_add = h->h264dsp.h264_add_pixels4_clear;
} else {
idct_dc_add = h->h264dsp.h264_idct_dc_add;
idct_add = h->h264dsp.h264_idct_add;
}
for (i = 0; i < 16; i++) {
uint8_t *const ptr = dest_y + block_offset[i]; |
| 7d8154ed |
const int dir = sl->intra4x4_pred_mode_cache[scan8[i]]; |
| e9a77f4b |
|
| 3176217c |
if (transform_bypass && h->ps.sps->profile_idc == 244 && dir <= 1) { |
| bf03a878 |
h->hpc.pred4x4_add[dir](ptr, sl->mb + (i * 16 + p * 256 << pixel_shift), linesize); |
| e9a77f4b |
} else {
uint8_t *topright;
int nnz, tr;
uint64_t tr_high;
if (dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED) { |
| 64c81b2c |
const int topright_avail = (sl->topright_samples_available << i) & 0x8000; |
| d76559fb |
av_assert2(sl->mb_y || linesize <= block_offset[i]); |
| e9a77f4b |
if (!topright_avail) {
if (pixel_shift) {
tr_high = ((uint16_t *)ptr)[3 - linesize / 2] * 0x0001000100010001ULL;
topright = (uint8_t *)&tr_high;
} else {
tr = ptr[3 - linesize] * 0x01010101u;
topright = (uint8_t *)&tr;
}
} else
topright = ptr + (4 << pixel_shift) - linesize;
} else
topright = NULL;
h->hpc.pred4x4[dir](ptr, topright, linesize); |
| f69574cf |
nnz = sl->non_zero_count_cache[scan8[i + p * 16]]; |
| e9a77f4b |
if (nnz) { |
| 9b30f8dd |
if (nnz == 1 && dctcoef_get(sl->mb, pixel_shift, i * 16 + p * 256))
idct_dc_add(ptr, sl->mb + (i * 16 + p * 256 << pixel_shift), linesize);
else
idct_add(ptr, sl->mb + (i * 16 + p * 256 << pixel_shift), linesize); |
| e9a77f4b |
}
}
}
}
} else { |
| 4bd5ac20 |
h->hpc.pred16x16[sl->intra16x16_pred_mode](dest_y, linesize); |
| 9b30f8dd |
if (sl->non_zero_count_cache[scan8[LUMA_DC_BLOCK_INDEX + p]]) {
if (!transform_bypass)
h->h264dsp.h264_luma_dc_dequant_idct(sl->mb + (p * 256 << pixel_shift),
sl->mb_luma_dc[p], |
| 3176217c |
h->ps.pps->dequant4_coeff[p][qscale][0]); |
| 9b30f8dd |
else {
static const uint8_t dc_mapping[16] = {
0 * 16, 1 * 16, 4 * 16, 5 * 16,
2 * 16, 3 * 16, 6 * 16, 7 * 16,
8 * 16, 9 * 16, 12 * 16, 13 * 16,
10 * 16, 11 * 16, 14 * 16, 15 * 16
};
for (i = 0; i < 16; i++)
dctcoef_set(sl->mb + (p * 256 << pixel_shift),
pixel_shift, dc_mapping[i],
dctcoef_get(sl->mb_luma_dc[p],
pixel_shift, i)); |
| e9a77f4b |
} |
| 9b30f8dd |
} |
| e9a77f4b |
}
}
|
| 6490a0c0 |
static av_always_inline void hl_decode_mb_idct_luma(const H264Context *h, H264SliceContext *sl, |
| 9b30f8dd |
int mb_type, int simple, |
| e9a77f4b |
int transform_bypass,
int pixel_shift, |
| 51822879 |
const int *block_offset, |
| e9a77f4b |
int linesize,
uint8_t *dest_y, int p)
{
void (*idct_add)(uint8_t *dst, int16_t *block, int stride);
int i;
block_offset += 16 * p;
if (!IS_INTRA4x4(mb_type)) { |
| 9b30f8dd |
if (IS_INTRA16x16(mb_type)) {
if (transform_bypass) { |
| 3176217c |
if (h->ps.sps->profile_idc == 244 && |
| 9b30f8dd |
(sl->intra16x16_pred_mode == VERT_PRED8x8 ||
sl->intra16x16_pred_mode == HOR_PRED8x8)) {
h->hpc.pred16x16_add[sl->intra16x16_pred_mode](dest_y, block_offset,
sl->mb + (p * 256 << pixel_shift),
linesize); |
| e9a77f4b |
} else { |
| 9b30f8dd |
for (i = 0; i < 16; i++)
if (sl->non_zero_count_cache[scan8[i + p * 16]] ||
dctcoef_get(sl->mb, pixel_shift, i * 16 + p * 256))
h->h264dsp.h264_add_pixels4_clear(dest_y + block_offset[i],
sl->mb + (i * 16 + p * 256 << pixel_shift),
linesize); |
| e9a77f4b |
} |
| 9b30f8dd |
} else {
h->h264dsp.h264_idct_add16intra(dest_y, block_offset,
sl->mb + (p * 256 << pixel_shift),
linesize,
sl->non_zero_count_cache + p * 5 * 8);
}
} else if (sl->cbp & 15) {
if (transform_bypass) {
const int di = IS_8x8DCT(mb_type) ? 4 : 1;
idct_add = IS_8x8DCT(mb_type) ? h->h264dsp.h264_add_pixels8_clear
: h->h264dsp.h264_add_pixels4_clear;
for (i = 0; i < 16; i += di)
if (sl->non_zero_count_cache[scan8[i + p * 16]])
idct_add(dest_y + block_offset[i],
sl->mb + (i * 16 + p * 256 << pixel_shift),
linesize);
} else {
if (IS_8x8DCT(mb_type))
h->h264dsp.h264_idct8_add4(dest_y, block_offset,
sl->mb + (p * 256 << pixel_shift),
linesize,
sl->non_zero_count_cache + p * 5 * 8);
else
h->h264dsp.h264_idct_add16(dest_y, block_offset,
sl->mb + (p * 256 << pixel_shift),
linesize,
sl->non_zero_count_cache + p * 5 * 8); |
| e9a77f4b |
}
}
}
}
#define BITS 8
#define SIMPLE 1
#include "h264_mb_template.c"
#undef BITS
#define BITS 16
#include "h264_mb_template.c"
#undef SIMPLE
#define SIMPLE 0
#include "h264_mb_template.c"
|
| 6490a0c0 |
void ff_h264_hl_decode_mb(const H264Context *h, H264SliceContext *sl) |
| e9a77f4b |
{ |
| 0edbe6fa |
const int mb_xy = sl->mb_xy; |
| e9a77f4b |
const int mb_type = h->cur_pic.mb_type[mb_xy]; |
| 07c5ca55 |
int is_complex = CONFIG_SMALL || sl->is_complex || |
| d231e84b |
IS_INTRA_PCM(mb_type) || sl->qscale == 0; |
| e9a77f4b |
if (CHROMA444(h)) {
if (is_complex || h->pixel_shift) |
| 92c6c2a6 |
hl_decode_mb_444_complex(h, sl); |
| e9a77f4b |
else |
| 92c6c2a6 |
hl_decode_mb_444_simple_8(h, sl); |
| e9a77f4b |
} else if (is_complex) { |
| 92c6c2a6 |
hl_decode_mb_complex(h, sl); |
| e9a77f4b |
} else if (h->pixel_shift) { |
| 92c6c2a6 |
hl_decode_mb_simple_16(h, sl); |
| e9a77f4b |
} else |
| 92c6c2a6 |
hl_decode_mb_simple_8(h, sl); |
| e9a77f4b |
} |