23 #include "libavutil/pixdesc.h"
29 #define POS(x, y) src[(x) + stride * (y)]
32 int log2_size,
int c_idx)
35 ((x) >> s->sps->log2_min_pu_size)
37 (s->ref->tab_mvf[(x) + (y) * min_pu_width])
38 #define MVF_PU(x, y) \
39 MVF(PU(x0 + ((x) << hshift)), PU(y0 + ((y) << vshift)))
40 #define IS_INTRA(x, y) \
42 #define MIN_TB_ADDR_ZS(x, y) \
43 s->pps->min_tb_addr_zs[(y) * s->sps->min_tb_width + (x)]
45 #define EXTEND(ptr, val, len) \
47 pixel4 pix = PIXEL_SPLAT_X4(val); \
48 for (i = 0; i < (len); i += 4) \
49 AV_WN4P(ptr + i, pix); \
52 #define EXTEND_LEFT_CIP(ptr, start, length) \
53 for (i = (start); i > (start) - (length); i--) \
54 if (!IS_INTRA(i - 1, -1)) \
56 #define EXTEND_RIGHT_CIP(ptr, start, length) \
57 for (i = (start); i < (start) + (length); i++) \
58 if (!IS_INTRA(i, -1)) \
60 #define EXTEND_UP_CIP(ptr, start, length) \
61 for (i = (start); i > (start) - (length); i--) \
62 if (!IS_INTRA(-1, i - 1)) \
64 #define EXTEND_UP_CIP_0(ptr, start, length) \
65 for (i = (start); i > (start) - (length); i--) \
67 #define EXTEND_DOWN_CIP(ptr, start, length) \
68 for (i = (start); i < (start) + (length); i++) \
69 if (!IS_INTRA(-1, i)) \
73 int hshift = s->sps->hshift[c_idx];
74 int vshift = s->sps->vshift[c_idx];
75 int size = (1 << log2_size);
76 int size_in_luma = size << hshift;
77 int size_in_tbs = size_in_luma >> s->sps->log2_min_tb_size;
80 int x_tb = x0 >> s->sps->log2_min_tb_size;
81 int y_tb = y0 >> s->sps->log2_min_tb_size;
84 ptrdiff_t
stride = s->frame->linesize[c_idx] /
sizeof(
pixel);
85 pixel *src = (
pixel*)s->frame->data[c_idx] + x + y * stride;
87 int min_pu_width = s->sps->min_pu_width;
97 pixel *left = left_array + 1;
98 pixel *top = top_array + 1;
99 pixel *filtered_left = filtered_left_array + 1;
100 pixel *filtered_top = filtered_top_array + 1;
108 int bottom_left_size = (
FFMIN(y0 + 2 * size_in_luma, s->sps->height) -
109 (y0 + size_in_luma)) >> vshift;
110 int top_right_size = (
FFMIN(x0 + 2 * size_in_luma, s->sps->width) -
111 (x0 + size_in_luma)) >> hshift;
113 if (s->pps->constrained_intra_pred_flag == 1) {
114 int size_in_luma_pu =
PU(size_in_luma);
115 int on_pu_edge_x = !(x0 & ((1 << s->sps->log2_min_pu_size) - 1));
116 int on_pu_edge_y = !(y0 & ((1 << s->sps->log2_min_pu_size) - 1));
117 if (!size_in_luma_pu)
119 if (cand_bottom_left == 1 && on_pu_edge_x) {
120 int x_left_pu =
PU(x0 - 1);
121 int y_bottom_pu =
PU(y0 + size_in_luma);
122 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_height - y_bottom_pu);
123 cand_bottom_left = 0;
124 for (i = 0; i < max; i++)
125 cand_bottom_left |=
MVF(x_left_pu, y_bottom_pu + i).is_intra;
127 if (cand_left == 1 && on_pu_edge_x) {
128 int x_left_pu =
PU(x0 - 1);
129 int y_left_pu =
PU(y0);
130 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_height - y_left_pu);
132 for (i = 0; i < max; i++)
133 cand_left |=
MVF(x_left_pu, y_left_pu + i).is_intra;
135 if (cand_up_left == 1) {
136 int x_left_pu =
PU(x0 - 1);
137 int y_top_pu =
PU(y0 - 1);
138 cand_up_left =
MVF(x_left_pu, y_top_pu).is_intra;
140 if (cand_up == 1 && on_pu_edge_y) {
141 int x_top_pu =
PU(x0);
142 int y_top_pu =
PU(y0 - 1);
143 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_width - x_top_pu);
145 for (i = 0; i < max; i++)
146 cand_up |=
MVF(x_top_pu + i, y_top_pu).is_intra;
148 if (cand_up_right == 1 && on_pu_edge_y) {
149 int y_top_pu =
PU(y0 - 1);
150 int x_right_pu =
PU(x0 + size_in_luma);
151 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_width - x_right_pu);
153 for (i = 0; i < max; i++)
154 cand_up_right |=
MVF(x_right_pu + i, y_top_pu).is_intra;
161 if (cand_bottom_left) {
162 for (i = size; i < size + bottom_left_size; i++)
163 left[i] =
POS(-1, i);
164 EXTEND(left + size + bottom_left_size,
POS(-1, size + bottom_left_size - 1),
165 size - bottom_left_size);
168 for (i = size - 1; i >= 0; i--)
169 left[i] =
POS(-1, i);
171 left[-1] =
POS(-1, -1);
175 memcpy(top, src - stride, size *
sizeof(
pixel));
177 memcpy(top + size, src - stride + size, size *
sizeof(
pixel));
178 EXTEND(top + size + top_right_size,
POS(size + top_right_size - 1, -1),
179 size - top_right_size);
182 if (s->pps->constrained_intra_pred_flag == 1) {
183 if (cand_bottom_left || cand_left || cand_up_left || cand_up || cand_up_right) {
184 int size_max_x = x0 + ((2 *
size) << hshift) < s->sps->width ?
185 2 * size : (s->sps->width - x0) >> hshift;
186 int size_max_y = y0 + ((2 *
size) << vshift) < s->sps->height ?
187 2 * size : (s->sps->height - y0) >> vshift;
188 int j = size + (cand_bottom_left? bottom_left_size: 0) -1;
189 if (!cand_up_right) {
190 size_max_x = x0 + ((
size) << hshift) < s->sps->width ?
191 size : (s->sps->width - x0) >> hshift;
193 if (!cand_bottom_left) {
194 size_max_y = y0 + ((
size) << vshift) < s->sps->height ?
195 size : (s->sps->height - y0) >> vshift;
197 if (cand_bottom_left || cand_left || cand_up_left) {
202 while (j < size_max_x && !
IS_INTRA(j, -1))
210 while (j < size_max_x && !
IS_INTRA(j, -1))
222 if (cand_bottom_left || cand_left) {
226 EXTEND(left, left[-1], size);
227 if (!cand_bottom_left)
228 EXTEND(left + size, left[size - 1], size);
229 if (x0 != 0 && y0 != 0) {
231 }
else if (x0 == 0) {
243 if (!cand_bottom_left) {
245 EXTEND(left + size, left[size - 1], size);
246 }
else if (cand_up_left) {
247 EXTEND(left, left[-1], 2 * size);
249 }
else if (cand_up) {
251 EXTEND(left, left[-1], 2 * size);
254 }
else if (cand_up_right) {
255 EXTEND(top, top[size], size);
256 left[-1] = top[
size];
257 EXTEND(left, left[-1], 2 * size);
263 EXTEND(top, left[-1], 2 * size);
264 EXTEND(left, left[-1], 2 * size);
269 EXTEND(left, left[size], size);
274 EXTEND(top, left[-1], size);
276 EXTEND(top + size, top[size - 1], size);
281 if (c_idx == 0 && mode !=
INTRA_DC && size != 4) {
282 int intra_hor_ver_dist_thresh[] = { 7, 1, 0 };
283 int min_dist_vert_hor =
FFMIN(
FFABS((
int)mode - 26),
284 FFABS((
int)mode - 10));
285 if (min_dist_vert_hor > intra_hor_ver_dist_thresh[log2_size - 3]) {
287 if (s->sps->sps_strong_intra_smoothing_enable_flag &&
289 FFABS(top[-1] + top[63] - 2 * top[31]) < threshold &&
290 FFABS(left[-1] + left[63] - 2 * left[31]) < threshold) {
293 filtered_top[-1] = top[-1];
294 filtered_top[63] = top[63];
295 for (i = 0; i < 63; i++)
296 filtered_top[i] = ((64 - (i + 1)) * top[-1] +
297 (i + 1) * top[63] + 32) >> 6;
298 for (i = 0; i < 63; i++)
299 left[i] = ((64 - (i + 1)) * left[-1] +
300 (i + 1) * left[63] + 32) >> 6;
303 filtered_left[2 * size - 1] = left[2 * size - 1];
304 filtered_top[2 * size - 1] = top[2 * size - 1];
305 for (i = 2 * size - 2; i >= 0; i--)
306 filtered_left[i] = (left[i + 1] + 2 * left[i] +
307 left[i - 1] + 2) >> 2;
309 filtered_left[-1] = (left[0] + 2 * left[-1] + top[0] + 2) >> 2;
310 for (i = 2 * size - 2; i >= 0; i--)
311 filtered_top[i] = (top[i + 1] + 2 * top[i] +
312 top[i - 1] + 2) >> 2;
313 left = filtered_left;
326 (
uint8_t *)left, stride, log2_size, c_idx);
329 s->hpc.pred_angular[log2_size - 2]((
uint8_t *)src, (
uint8_t *)top,
330 (
uint8_t *)left, stride, c_idx,
336 #define INTRA_PRED(size) \
337 static void FUNC(intra_pred_ ## size)(HEVCContext *s, int x0, int y0, int c_idx) \
339 FUNC(intra_pred)(s, x0, y0, size, c_idx); \
357 int size = 1 << trafo_size;
358 for (y = 0; y <
size; y++)
359 for (x = 0; x <
size; x++)
360 POS(x, y) = ((size - 1 - x) * left[y] + (x + 1) * top[
size] +
361 (size - 1 - y) * top[x] + (y + 1) * left[
size] +
size) >> (trafo_size + 1);
364 #define PRED_PLANAR(size)\
365 static void FUNC(pred_planar_ ## size)(uint8_t *src, const uint8_t *top, \
366 const uint8_t *left, ptrdiff_t stride) \
368 FUNC(pred_planar)(src, top, left, stride, size + 2); \
380 ptrdiff_t
stride,
int log2_size,
int c_idx)
383 int size = (1 << log2_size);
389 for (i = 0; i <
size; i++)
390 dc += left[i] + top[i];
392 dc >>= log2_size + 1;
396 for (i = 0; i <
size; i++)
397 for (j = 0; j < size / 4; j++)
400 if (c_idx == 0 && size < 32) {
401 POS(0, 0) = (left[0] + 2 * dc + top[0] + 2) >> 2;
402 for (x = 1; x <
size; x++)
403 POS(x, 0) = (top[x] + 3 * dc + 2) >> 2;
404 for (y = 1; y <
size; y++)
405 POS(0, y) = (left[y] + 3 * dc + 2) >> 2;
412 ptrdiff_t
stride,
int c_idx,
420 static const int intra_pred_angle[] = {
421 32, 26, 21, 17, 13, 9, 5, 2, 0, -2, -5, -9, -13, -17, -21, -26, -32,
422 -26, -21, -17, -13, -9, -5, -2, 0, 2, 5, 9, 13, 17, 21, 26, 32
424 static const int inv_angle[] = {
425 -4096, -1638, -910, -630, -482, -390, -315, -256, -315, -390, -482,
426 -630, -910, -1638, -4096
429 int angle = intra_pred_angle[mode - 2];
433 int last = (size * angle) >> 5;
437 if (angle < 0 && last < -1) {
438 for (x = 0; x <=
size; x++)
439 ref_tmp[x] = top[x - 1];
440 for (x = last; x <= -1; x++)
441 ref_tmp[x] = left[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];
445 for (y = 0; y <
size; y++) {
446 int idx = ((y + 1) * angle) >> 5;
447 int fact = ((y + 1) * angle) & 31;
449 for (x = 0; x <
size; x++) {
450 POS(x, y) = ((32 - fact) * ref[x + idx + 1] +
451 fact * ref[x + idx + 2] + 16) >> 5;
454 for (x = 0; x <
size; x++)
455 POS(x, y) = ref[x + idx + 1];
458 if (mode == 26 && c_idx == 0 && size < 32) {
459 for (y = 0; y <
size; y++)
464 if (angle < 0 && last < -1) {
465 for (x = 0; x <=
size; x++)
466 ref_tmp[x] = left[x - 1];
467 for (x = last; x <= -1; x++)
468 ref_tmp[x] = top[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];
472 for (x = 0; x <
size; x++) {
473 int idx = ((x + 1) * angle) >> 5;
474 int fact = ((x + 1) * angle) & 31;
476 for (y = 0; y <
size; y++) {
477 POS(x, y) = ((32 - fact) * ref[y + idx + 1] +
478 fact * ref[y + idx + 2] + 16) >> 5;
481 for (y = 0; y <
size; y++)
482 POS(x, y) = ref[y + idx + 1];
485 if (mode == 10 && c_idx == 0 && size < 32) {
486 for (x = 0; x <
size; x++)
494 ptrdiff_t
stride,
int c_idx,
int mode)
501 ptrdiff_t
stride,
int c_idx,
int mode)
508 ptrdiff_t
stride,
int c_idx,
int mode)
515 ptrdiff_t
stride,
int c_idx,
int mode)
520 #undef EXTEND_LEFT_CIP
521 #undef EXTEND_RIGHT_CIP
523 #undef EXTEND_DOWN_CIP
529 #undef MIN_TB_ADDR_ZS
#define MIN_TB_ADDR_ZS(x, y)
#define EXTEND_RIGHT_CIP(ptr, start, length)
#define EXTEND(ptr, val, len)
static void FUNC() pred_angular_2(uint8_t *src, const uint8_t *top, const uint8_t *left, ptrdiff_t stride, int c_idx, int mode)
static void FUNC() pred_angular_3(uint8_t *src, const uint8_t *top, const uint8_t *left, ptrdiff_t stride, int c_idx, int mode)
#define PRED_PLANAR(size)
static void FUNC() pred_dc(uint8_t *_src, const uint8_t *_top, const uint8_t *_left, ptrdiff_t stride, int log2_size, int c_idx)
#define EXTEND_DOWN_CIP(ptr, start, length)
static av_always_inline void FUNC() intra_pred(HEVCContext *s, int x0, int y0, int log2_size, int c_idx)
uint8_t intra_pred_mode_c
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_dlog(ac->avr,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> dc
#define EXTEND_UP_CIP_0(ptr, start, length)
#define EXTEND_UP_CIP(ptr, start, length)
static av_always_inline void FUNC() pred_planar(uint8_t *_src, const uint8_t *_top, const uint8_t *_left, ptrdiff_t stride, int trafo_size)
#define EXTEND_LEFT_CIP(ptr, start, length)
static void FUNC() pred_angular_1(uint8_t *src, const uint8_t *top, const uint8_t *left, ptrdiff_t stride, int c_idx, int mode)
static av_always_inline void FUNC() pred_angular(uint8_t *_src, const uint8_t *_top, const uint8_t *_left, ptrdiff_t stride, int c_idx, int mode, int size)
static void FUNC() pred_angular_0(uint8_t *src, const uint8_t *top, const uint8_t *left, ptrdiff_t stride, int c_idx, int mode)
#define PIXEL_SPLAT_X4(x)