28 #define POS(x, y) src[(x) + stride * (y)]
31 int log2_size,
int c_idx)
34 ((x) >> s->ps.sps->log2_min_pu_size)
36 (s->ref->tab_mvf[(x) + (y) * min_pu_width])
37 #define MVF_PU(x, y) \
38 MVF(PU(x0 + ((x) << hshift)), PU(y0 + ((y) << vshift)))
39 #define IS_INTRA(x, y) \
40 (MVF_PU(x, y).pred_flag == PF_INTRA)
41 #define MIN_TB_ADDR_ZS(x, y) \
42 s->ps.pps->min_tb_addr_zs[(y) * (s->ps.sps->tb_mask+2) + (x)]
43 #define EXTEND(ptr, val, len) \
45 pixel4 pix = PIXEL_SPLAT_X4(val); \
46 for (i = 0; i < (len); i += 4) \
47 AV_WN4P(ptr + i, pix); \
50 #define EXTEND_RIGHT_CIP(ptr, start, length) \
51 for (i = start; i < (start) + (length); i += 4) \
52 if (!IS_INTRA(i, -1)) \
53 AV_WN4P(&ptr[i], a); \
55 a = PIXEL_SPLAT_X4(ptr[i+3])
56 #define EXTEND_LEFT_CIP(ptr, start, length) \
57 for (i = start; i > (start) - (length); i--) \
58 if (!IS_INTRA(i - 1, -1)) \
60 #define EXTEND_UP_CIP(ptr, start, length) \
61 for (i = (start); i > (start) - (length); i -= 4) \
62 if (!IS_INTRA(-1, i - 3)) \
63 AV_WN4P(&ptr[i - 3], a); \
65 a = PIXEL_SPLAT_X4(ptr[i - 3])
66 #define EXTEND_DOWN_CIP(ptr, start, length) \
67 for (i = start; i < (start) + (length); i += 4) \
68 if (!IS_INTRA(-1, i)) \
69 AV_WN4P(&ptr[i], a); \
71 a = PIXEL_SPLAT_X4(ptr[i + 3])
75 int hshift =
s->ps.sps->hshift[c_idx];
76 int vshift =
s->ps.sps->vshift[c_idx];
77 int size = (1 << log2_size);
78 int size_in_luma_h = size << hshift;
79 int size_in_tbs_h = size_in_luma_h >>
s->ps.sps->log2_min_tb_size;
80 int size_in_luma_v = size << vshift;
81 int size_in_tbs_v = size_in_luma_v >>
s->ps.sps->log2_min_tb_size;
84 int x_tb = (x0 >>
s->ps.sps->log2_min_tb_size) &
s->ps.sps->tb_mask;
85 int y_tb = (y0 >>
s->ps.sps->log2_min_tb_size) &
s->ps.sps->tb_mask;
89 ptrdiff_t
stride =
s->frame->linesize[c_idx] /
sizeof(
pixel);
92 int min_pu_width =
s->ps.sps->min_pu_width;
102 pixel *left = left_array + 1;
103 pixel *top = top_array + 1;
104 pixel *filtered_left = filtered_left_array + 1;
105 pixel *filtered_top = filtered_top_array + 1;
112 int bottom_left_size = (
FFMIN(y0 + 2 * size_in_luma_v,
s->ps.sps->height) -
113 (y0 + size_in_luma_v)) >> vshift;
114 int top_right_size = (
FFMIN(x0 + 2 * size_in_luma_h,
s->ps.sps->width) -
115 (x0 + size_in_luma_h)) >> hshift;
117 if (
s->ps.pps->constrained_intra_pred_flag == 1) {
118 int size_in_luma_pu_v =
PU(size_in_luma_v);
119 int size_in_luma_pu_h =
PU(size_in_luma_h);
120 int on_pu_edge_x = !av_mod_uintp2(x0,
s->ps.sps->log2_min_pu_size);
121 int on_pu_edge_y = !av_mod_uintp2(y0,
s->ps.sps->log2_min_pu_size);
122 if (!size_in_luma_pu_h)
124 if (cand_bottom_left == 1 && on_pu_edge_x) {
125 int x_left_pu =
PU(x0 - 1);
126 int y_bottom_pu =
PU(y0 + size_in_luma_v);
127 int max =
FFMIN(size_in_luma_pu_v,
s->ps.sps->min_pu_height - y_bottom_pu);
128 cand_bottom_left = 0;
129 for (i = 0; i < max; i += 2)
130 cand_bottom_left |= (
MVF(x_left_pu, y_bottom_pu + i).pred_flag ==
PF_INTRA);
132 if (cand_left == 1 && on_pu_edge_x) {
133 int x_left_pu =
PU(x0 - 1);
134 int y_left_pu =
PU(y0);
135 int max =
FFMIN(size_in_luma_pu_v,
s->ps.sps->min_pu_height - y_left_pu);
137 for (i = 0; i < max; i += 2)
138 cand_left |= (
MVF(x_left_pu, y_left_pu + i).pred_flag ==
PF_INTRA);
140 if (cand_up_left == 1) {
141 int x_left_pu =
PU(x0 - 1);
142 int y_top_pu =
PU(y0 - 1);
143 cand_up_left =
MVF(x_left_pu, y_top_pu).pred_flag ==
PF_INTRA;
145 if (cand_up == 1 && on_pu_edge_y) {
146 int x_top_pu =
PU(x0);
147 int y_top_pu =
PU(y0 - 1);
148 int max =
FFMIN(size_in_luma_pu_h,
s->ps.sps->min_pu_width - x_top_pu);
150 for (i = 0; i < max; i += 2)
151 cand_up |= (
MVF(x_top_pu + i, y_top_pu).pred_flag ==
PF_INTRA);
153 if (cand_up_right == 1 && on_pu_edge_y) {
154 int y_top_pu =
PU(y0 - 1);
155 int x_right_pu =
PU(x0 + size_in_luma_h);
156 int max =
FFMIN(size_in_luma_pu_h,
s->ps.sps->min_pu_width - x_right_pu);
158 for (i = 0; i < max; i += 2)
159 cand_up_right |= (
MVF(x_right_pu + i, y_top_pu).pred_flag ==
PF_INTRA);
166 left[-1] =
POS(-1, -1);
170 memcpy(top, src - stride, size *
sizeof(
pixel));
172 memcpy(top + size, src - stride + size, size *
sizeof(
pixel));
173 EXTEND(top + size + top_right_size,
POS(size + top_right_size - 1, -1),
174 size - top_right_size);
177 for (i = 0; i <
size; i++)
178 left[i] =
POS(-1, i);
179 if (cand_bottom_left) {
180 for (i = size; i < size + bottom_left_size; i++)
181 left[i] =
POS(-1, i);
182 EXTEND(left + size + bottom_left_size,
POS(-1, size + bottom_left_size - 1),
183 size - bottom_left_size);
186 if (
s->ps.pps->constrained_intra_pred_flag == 1) {
187 if (cand_bottom_left || cand_left || cand_up_left || cand_up || cand_up_right) {
188 int size_max_x = x0 + ((2 *
size) << hshift) <
s->ps.sps->width ?
189 2 * size : (
s->ps.sps->width - x0) >> hshift;
190 int size_max_y = y0 + ((2 *
size) << vshift) <
s->ps.sps->height ?
191 2 * size : (
s->ps.sps->height - y0) >> vshift;
192 int j = size + (cand_bottom_left? bottom_left_size: 0) -1;
193 if (!cand_up_right) {
194 size_max_x = x0 + ((
size) << hshift) <
s->ps.sps->width ?
195 size : (
s->ps.sps->width - x0) >> hshift;
197 if (!cand_bottom_left) {
198 size_max_y = y0 + ((
size) << vshift) <
s->ps.sps->height ?
199 size : (
s->ps.sps->height - y0) >> vshift;
201 if (cand_bottom_left || cand_left || cand_up_left) {
206 while (j < size_max_x && !
IS_INTRA(j, -1))
213 while (j < size_max_x && !
IS_INTRA(j, -1))
225 if (cand_bottom_left || cand_left) {
230 EXTEND(left, left[-1], size);
231 if (!cand_bottom_left)
232 EXTEND(left + size, left[size - 1], size);
233 if (x0 != 0 && y0 != 0) {
238 }
else if (x0 == 0) {
239 EXTEND(left, 0, size_max_y);
252 if (!cand_bottom_left) {
254 EXTEND(left + size, left[size - 1], size);
255 }
else if (cand_up_left) {
256 EXTEND(left, left[-1], 2 * size);
258 }
else if (cand_up) {
260 EXTEND(left, left[-1], 2 * size);
263 }
else if (cand_up_right) {
264 EXTEND(top, top[size], size);
265 left[-1] = top[
size];
266 EXTEND(left, left[-1], 2 * size);
272 EXTEND(top, left[-1], 2 * size);
273 EXTEND(left, left[-1], 2 * size);
278 EXTEND(left, left[size], size);
283 EXTEND(top, left[-1], size);
285 EXTEND(top + size, top[size - 1], size);
290 if (!
s->ps.sps->intra_smoothing_disabled_flag && (c_idx == 0 ||
s->ps.sps->chroma_format_idc == 3)) {
292 int intra_hor_ver_dist_thresh[] = { 7, 1, 0 };
295 if (min_dist_vert_hor > intra_hor_ver_dist_thresh[log2_size - 3]) {
297 if (
s->ps.sps->sps_strong_intra_smoothing_enable_flag && c_idx == 0 &&
299 FFABS(top[-1] + top[63] - 2 * top[31]) < threshold &&
300 FFABS(left[-1] + left[63] - 2 * left[31]) < threshold) {
303 filtered_top[-1] = top[-1];
304 filtered_top[63] = top[63];
305 for (i = 0; i < 63; i++)
306 filtered_top[i] = ((64 - (i + 1)) * top[-1] +
307 (i + 1) * top[63] + 32) >> 6;
308 for (i = 0; i < 63; i++)
309 left[i] = ((64 - (i + 1)) * left[-1] +
310 (i + 1) * left[63] + 32) >> 6;
313 filtered_left[2 * size - 1] = left[2 * size - 1];
314 filtered_top[2 * size - 1] = top[2 * size - 1];
315 for (i = 2 * size - 2; i >= 0; i--)
316 filtered_left[i] = (left[i + 1] + 2 * left[i] +
317 left[i - 1] + 2) >> 2;
319 filtered_left[-1] = (left[0] + 2 * left[-1] + top[0] + 2) >> 2;
320 for (i = 2 * size - 2; i >= 0; i--)
321 filtered_top[i] = (top[i + 1] + 2 * top[i] +
322 top[i - 1] + 2) >> 2;
323 left = filtered_left;
337 (
uint8_t *)left, stride, log2_size, c_idx);
341 (
uint8_t *)left, stride, c_idx,
347 #define INTRA_PRED(size) \
348 static void FUNC(intra_pred_ ## size)(HEVCContext *s, int x0, int y0, int c_idx) \
350 FUNC(intra_pred)(s, x0, y0, size, c_idx); \
368 int size = 1 << trafo_size;
369 for (y = 0; y <
size; y++)
370 for (x = 0; x <
size; x++)
371 POS(x, y) = ((size - 1 - x) * left[y] + (x + 1) * top[
size] +
372 (size - 1 - y) * top[x] + (y + 1) * left[
size] +
size) >> (trafo_size + 1);
375 #define PRED_PLANAR(size)\
376 static void FUNC(pred_planar_ ## size)(uint8_t *src, const uint8_t *top, \
377 const uint8_t *left, ptrdiff_t stride) \
379 FUNC(pred_planar)(src, top, left, stride, size + 2); \
391 ptrdiff_t
stride,
int log2_size,
int c_idx)
394 int size = (1 << log2_size);
400 for (i = 0; i <
size; i++)
401 dc += left[i] + top[i];
403 dc >>= log2_size + 1;
407 for (i = 0; i <
size; i++)
408 for (j = 0; j <
size; j+=4)
411 if (c_idx == 0 && size < 32) {
412 POS(0, 0) = (left[0] + 2 * dc + top[0] + 2) >> 2;
413 for (x = 1; x <
size; x++)
414 POS(x, 0) = (top[x] + 3 * dc + 2) >> 2;
415 for (y = 1; y <
size; y++)
416 POS(0, y) = (left[y] + 3 * dc + 2) >> 2;
423 ptrdiff_t
stride,
int c_idx,
431 static const int intra_pred_angle[] = {
432 32, 26, 21, 17, 13, 9, 5, 2, 0, -2, -5, -9, -13, -17, -21, -26, -32,
433 -26, -21, -17, -13, -9, -5, -2, 0, 2, 5, 9, 13, 17, 21, 26, 32
435 static const int inv_angle[] = {
436 -4096, -1638, -910, -630, -482, -390, -315, -256, -315, -390, -482,
437 -630, -910, -1638, -4096
440 int angle = intra_pred_angle[mode - 2];
444 int last = (size * angle) >> 5;
448 if (angle < 0 && last < -1) {
449 for (x = 0; x <=
size; x += 4)
451 for (x = last; x <= -1; x++)
452 ref_tmp[x] = left[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];
456 for (y = 0; y <
size; y++) {
457 int idx = ((y + 1) * angle) >> 5;
458 int fact = ((y + 1) * angle) & 31;
460 for (x = 0; x <
size; x += 4) {
461 POS(x , y) = ((32 - fact) * ref[x + idx + 1] +
462 fact * ref[x + idx + 2] + 16) >> 5;
463 POS(x + 1, y) = ((32 - fact) * ref[x + 1 + idx + 1] +
464 fact * ref[x + 1 + idx + 2] + 16) >> 5;
465 POS(x + 2, y) = ((32 - fact) * ref[x + 2 + idx + 1] +
466 fact * ref[x + 2 + idx + 2] + 16) >> 5;
467 POS(x + 3, y) = ((32 - fact) * ref[x + 3 + idx + 1] +
468 fact * ref[x + 3 + idx + 2] + 16) >> 5;
471 for (x = 0; x <
size; x += 4)
475 if (mode == 26 && c_idx == 0 && size < 32) {
476 for (y = 0; y <
size; y++)
481 if (angle < 0 && last < -1) {
482 for (x = 0; x <=
size; x += 4)
484 for (x = last; x <= -1; x++)
485 ref_tmp[x] = top[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];
489 for (x = 0; x <
size; x++) {
490 int idx = ((x + 1) * angle) >> 5;
491 int fact = ((x + 1) * angle) & 31;
493 for (y = 0; y <
size; y++) {
494 POS(x, y) = ((32 - fact) * ref[y + idx + 1] +
495 fact * ref[y + idx + 2] + 16) >> 5;
498 for (y = 0; y <
size; y++)
499 POS(x, y) = ref[y + idx + 1];
502 if (mode == 10 && c_idx == 0 && size < 32) {
503 for (x = 0; x <
size; x += 4) {
541 #undef EXTEND_LEFT_CIP
542 #undef EXTEND_RIGHT_CIP
544 #undef EXTEND_DOWN_CIP
550 #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)
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
static av_always_inline void FUNC() intra_pred(HEVCContext *s, int x0, int y0, int log2_size, int c_idx)
GLint GLenum GLboolean GLsizei stride
#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)
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_log(ac->avr, AV_LOG_TRACE,"%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_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)