41 #define DEFAULT_SLICE_MB_WIDTH 8
55 static const int bitrate_table[] = { 1000, 2100, 3500, 5400, 7000, 10000};
66 4, 7, 9, 11, 13, 14, 15, 63,
67 7, 7, 11, 12, 14, 15, 63, 63,
68 9, 11, 13, 14, 15, 63, 63, 63,
69 11, 11, 13, 14, 63, 63, 63, 63,
70 11, 13, 14, 63, 63, 63, 63, 63,
71 13, 14, 63, 63, 63, 63, 63, 63,
72 13, 63, 63, 63, 63, 63, 63, 63,
73 63, 63, 63, 63, 63, 63, 63, 63
75 4, 5, 6, 7, 9, 11, 13, 15,
76 5, 5, 7, 8, 11, 13, 15, 17,
77 6, 7, 9, 11, 13, 15, 15, 17,
78 7, 7, 9, 11, 13, 15, 17, 19,
79 7, 9, 11, 13, 14, 16, 19, 23,
80 9, 11, 13, 14, 16, 19, 23, 29,
81 9, 11, 13, 15, 17, 21, 28, 35,
82 11, 13, 16, 17, 21, 28, 35, 41
84 4, 4, 5, 5, 6, 7, 7, 9,
85 4, 4, 5, 6, 7, 7, 9, 9,
86 5, 5, 6, 7, 7, 9, 9, 10,
87 5, 5, 6, 7, 7, 9, 9, 10,
88 5, 6, 7, 7, 8, 9, 10, 12,
89 6, 7, 7, 8, 9, 10, 12, 15,
90 6, 7, 7, 9, 10, 11, 14, 17,
91 7, 7, 9, 10, 11, 14, 17, 21
93 4, 4, 4, 4, 4, 4, 4, 4,
94 4, 4, 4, 4, 4, 4, 4, 4,
95 4, 4, 4, 4, 4, 4, 4, 4,
96 4, 4, 4, 4, 4, 4, 4, 5,
97 4, 4, 4, 4, 4, 4, 5, 5,
98 4, 4, 4, 4, 4, 5, 5, 6,
99 4, 4, 4, 4, 5, 5, 6, 7,
100 4, 4, 4, 4, 5, 6, 7, 7
102 4, 4, 4, 4, 4, 4, 4, 4,
103 4, 4, 4, 4, 4, 4, 4, 4,
104 4, 4, 4, 4, 4, 4, 4, 4,
105 4, 4, 4, 4, 4, 4, 4, 5,
106 4, 4, 4, 4, 4, 4, 5, 5,
107 4, 4, 4, 4, 4, 5, 5, 6,
108 4, 4, 4, 4, 5, 5, 6, 7,
109 4, 4, 4, 4, 5, 6, 7, 7
111 2, 2, 2, 2, 2, 2, 2, 2,
112 2, 2, 2, 2, 2, 2, 2, 2,
113 2, 2, 2, 2, 2, 2, 2, 2,
114 2, 2, 2, 2, 2, 2, 2, 3,
115 2, 2, 2, 2, 2, 2, 3, 3,
116 2, 2, 2, 2, 2, 3, 3, 3,
117 2, 2, 2, 2, 3, 3, 3, 4,
118 2, 2, 2, 2, 3, 3, 4, 4,
124 4, 7, 9, 11, 13, 14, 63, 63,
125 7, 7, 11, 12, 14, 63, 63, 63,
126 9, 11, 13, 14, 63, 63, 63, 63,
127 11, 11, 13, 14, 63, 63, 63, 63,
128 11, 13, 14, 63, 63, 63, 63, 63,
129 13, 14, 63, 63, 63, 63, 63, 63,
130 13, 63, 63, 63, 63, 63, 63, 63,
131 63, 63, 63, 63, 63, 63, 63, 63
133 4, 5, 6, 7, 9, 11, 13, 15,
134 5, 5, 7, 8, 11, 13, 15, 17,
135 6, 7, 9, 11, 13, 15, 15, 17,
136 7, 7, 9, 11, 13, 15, 17, 19,
137 7, 9, 11, 13, 14, 16, 19, 23,
138 9, 11, 13, 14, 16, 19, 23, 29,
139 9, 11, 13, 15, 17, 21, 28, 35,
140 11, 13, 16, 17, 21, 28, 35, 41
142 4, 4, 5, 5, 6, 7, 7, 9,
143 4, 4, 5, 6, 7, 7, 9, 9,
144 5, 5, 6, 7, 7, 9, 9, 10,
145 5, 5, 6, 7, 7, 9, 9, 10,
146 5, 6, 7, 7, 8, 9, 10, 12,
147 6, 7, 7, 8, 9, 10, 12, 15,
148 6, 7, 7, 9, 10, 11, 14, 17,
149 7, 7, 9, 10, 11, 14, 17, 21
151 4, 4, 4, 4, 4, 4, 4, 4,
152 4, 4, 4, 4, 4, 4, 4, 4,
153 4, 4, 4, 4, 4, 4, 4, 4,
154 4, 4, 4, 4, 4, 4, 4, 5,
155 4, 4, 4, 4, 4, 4, 5, 5,
156 4, 4, 4, 4, 4, 5, 5, 6,
157 4, 4, 4, 4, 5, 5, 6, 7,
158 4, 4, 4, 4, 5, 6, 7, 7
160 4, 4, 4, 4, 4, 4, 4, 4,
161 4, 4, 4, 4, 4, 4, 4, 4,
162 4, 4, 4, 4, 4, 4, 4, 4,
163 4, 4, 4, 4, 4, 4, 4, 5,
164 4, 4, 4, 4, 4, 4, 5, 5,
165 4, 4, 4, 4, 4, 5, 5, 6,
166 4, 4, 4, 4, 5, 5, 6, 7,
167 4, 4, 4, 4, 5, 6, 7, 7
169 4, 4, 4, 4, 4, 4, 4, 4,
170 4, 4, 4, 4, 4, 4, 4, 4,
171 4, 4, 4, 4, 4, 4, 4, 4,
172 4, 4, 4, 4, 4, 4, 4, 5,
173 4, 4, 4, 4, 4, 4, 5, 5,
174 4, 4, 4, 4, 4, 5, 5, 6,
175 4, 4, 4, 4, 5, 5, 6, 7,
176 4, 4, 4, 4, 5, 6, 7, 7
189 int qmat_luma[16][64];
190 int qmat_chroma[16][64];
202 unsigned int rice_order, exp_order, switch_bits, first_exp,
exp, zeros;
209 first_exp = ((switch_bits + 1) << rice_order);
211 if (
val >= first_exp) {
213 val += (1 << exp_order);
215 zeros =
exp - exp_order + switch_bits + 1;
218 }
else if (rice_order) {
228 #define QSCALE(qmat,ind,val) ((val) / ((qmat)[ind]))
229 #define TO_GOLOMB(val) (((val) * 2) ^ ((val) >> 31))
230 #define DIFF_SIGN(val, sign) (((val) >> 31) ^ (sign))
231 #define IS_NEGATIVE(val) ((((val) >> 31) ^ -1) + 1)
232 #define TO_GOLOMB2(val,sign) ((val)==0 ? 0 : ((val) << 1) + (sign))
236 int sign = (
val >> 31);
237 return (
val ^ sign) - sign;
240 #define FIRST_DC_CB 0xB8
245 int blocks_per_slice,
int *qmat)
249 int new_dc,
delta, diff_sign, new_code;
251 prev_dc =
QSCALE(qmat, 0,
in[0] - 16384);
255 code = 5; sign = 0; idx = 64;
256 for (
i = 1;
i < blocks_per_slice;
i++, idx += 64) {
257 new_dc =
QSCALE(qmat, 0,
in[idx] - 16384);
258 delta = new_dc - prev_dc;
271 0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C };
273 0x28, 0x28, 0x28, 0x4C };
276 int16_t *
in,
int blocks_per_slice,
int *qmat,
const uint8_t ff_prores_scan[64])
282 for (
i = 1;
i < 64;
i++) {
283 int indp = ff_prores_scan[
i];
284 for (j = 0; j < blocks_per_slice; j++) {
310 for (
i = 0;
i < 8;
i++) {
332 for (
i = 0;
i < mb_count;
i++) {
341 }
else if (
chroma && is_422){
342 for (
i = 0;
i < mb_count;
i++) {
349 for (
i = 0;
i < mb_count;
i++) {
362 const uint8_t ff_prores_scan[64])
364 int blocks_per_slice;
367 blocks_per_slice = mb_count << (2 - sub_sample_chroma);
378 int16_t * blocks_y, int16_t * blocks_u, int16_t * blocks_v,
379 unsigned mb_count,
uint8_t *buf,
unsigned data_size,
380 unsigned* y_data_size,
unsigned* u_data_size,
unsigned* v_data_size,
386 buf, data_size,
ctx->qmat_luma[qp - 1], 0,
ctx->scantable);
389 *u_data_size =
encode_slice_plane(blocks_u, mb_count, buf + *y_data_size, data_size - *y_data_size,
390 ctx->qmat_chroma[qp - 1],
ctx->is_422,
ctx->scantable);
392 *v_data_size =
encode_slice_plane(blocks_v, mb_count, buf + *y_data_size + *u_data_size,
393 data_size - *y_data_size - *u_data_size,
394 ctx->qmat_chroma[qp - 1],
ctx->is_422,
ctx->scantable);
397 return *y_data_size + *u_data_size + *v_data_size;
402 const int abits = 16;
404 const int dsize = 1 << dbits - 1;
405 int diff = cur - prev;
408 if (
diff >= (1 << abits) - dsize)
410 if (diff < -dsize || diff > dsize || !
diff) {
434 unsigned mb_count,
uint8_t *buf,
unsigned data_size,
unsigned* a_data_size)
436 const int abits = 16;
437 const int mask = (1 << abits) - 1;
438 const int num_coeffs = mb_count * 256;
439 int prev =
mask, cur;
442 int16_t * blocks = (int16_t *)src_a;
459 }
while (idx < num_coeffs);
467 "Underestimated required buffer size.\n");
476 unsigned dst_width,
unsigned dst_height,
int is_alpha_plane,
477 int is_interlaced,
int is_top_field)
480 int i, j, src_stride, box_height;
481 uint16_t last_pix, *last_line;
483 if (!is_interlaced) {
485 src += y * src_stride + x;
489 src += y * src_stride + x;
495 for (
i = 0;
i < box_height; ++
i) {
496 for (j = 0; j < box_width; ++j) {
497 if (!is_alpha_plane) {
500 dst[j] =
src[j] << 6;
503 if (!is_alpha_plane) {
504 last_pix = dst[j - 1];
506 last_pix = dst[j - 1] << 6;
508 for (; j < dst_width; j++)
513 last_line = dst - dst_width;
514 for (;
i < dst_height;
i++) {
515 for (j = 0; j < dst_width; ++j) {
516 dst[j] = last_line[j];
524 unsigned dst_width,
unsigned dst_height,
int is_interlaced,
int is_top_field)
526 subimage_with_fill_template(
src, x, y,
stride,
width,
height, dst, dst_width, dst_height, 0, is_interlaced, is_top_field);
532 unsigned dst_width,
unsigned dst_height,
int is_interlaced,
int is_top_field)
534 subimage_with_fill_template(
src, x, y,
stride,
width,
height, dst, dst_width, dst_height, 1, is_interlaced, is_top_field);
538 int mb_y,
unsigned mb_count,
uint8_t *buf,
unsigned data_size,
539 int unsafe,
int *qp,
int is_interlaced,
int is_top_field)
541 int luma_stride, chroma_stride, alpha_stride = 0;
543 int hdr_size = 6 + (
ctx->need_alpha * 2);
544 int ret = 0, slice_size;
545 uint8_t *dest_y, *dest_u, *dest_v;
546 unsigned y_data_size = 0, u_data_size = 0, v_data_size = 0, a_data_size = 0;
549 int low_bytes = (tgt_bits - (tgt_bits >> 3)) >> 3;
550 int high_bytes = (tgt_bits + (tgt_bits >> 3)) >> 3;
562 if (!is_interlaced) {
563 dest_y = pic->
data[0] + (mb_y << 4) * luma_stride + (mb_x << 5);
564 dest_u = pic->
data[1] + (mb_y << 4) * chroma_stride + (mb_x << (5 -
ctx->is_422));
565 dest_v = pic->
data[2] + (mb_y << 4) * chroma_stride + (mb_x << (5 -
ctx->is_422));
567 dest_y = pic->
data[0] + (mb_y << 4) * luma_stride * 2 + (mb_x << 5);
568 dest_u = pic->
data[1] + (mb_y << 4) * chroma_stride * 2 + (mb_x << (5 -
ctx->is_422));
569 dest_v = pic->
data[2] + (mb_y << 4) * chroma_stride * 2 + (mb_x << (5 -
ctx->is_422));
571 dest_y += luma_stride;
572 dest_u += chroma_stride;
573 dest_v += chroma_stride;
580 (uint16_t *)
ctx->fill_y, mb_count << 4, 16, is_interlaced, is_top_field);
583 (uint16_t *)
ctx->fill_u, mb_count << (4 -
ctx->is_422), 16, is_interlaced, is_top_field);
586 (uint16_t *)
ctx->fill_v, mb_count << (4 -
ctx->is_422), 16, is_interlaced, is_top_field);
594 mb_count, buf + hdr_size, data_size - hdr_size,
595 &y_data_size, &u_data_size, &v_data_size,
598 if (!is_interlaced) {
599 calc_plane_dct(fdsp, dest_y, blocks_y, luma_stride, mb_count, 0, 0);
603 calc_plane_dct(fdsp, dest_y, blocks_y, luma_stride * 2, mb_count, 0, 0);
604 calc_plane_dct(fdsp, dest_u, blocks_u, chroma_stride * 2, mb_count, 1,
ctx->is_422);
605 calc_plane_dct(fdsp, dest_v, blocks_v, chroma_stride * 2, mb_count, 1,
ctx->is_422);
609 mb_count, buf + hdr_size, data_size - hdr_size,
610 &y_data_size, &u_data_size, &v_data_size,
617 mb_count, buf + hdr_size, data_size - hdr_size,
618 &y_data_size, &u_data_size, &v_data_size,
621 }
else if (slice_size < low_bytes && *qp
626 mb_count, buf + hdr_size, data_size - hdr_size,
627 &y_data_size, &u_data_size, &v_data_size,
633 buf[0] = hdr_size << 3;
638 if (
ctx->need_alpha) {
643 (uint16_t *)
ctx->fill_a, mb_count << 4, 16, is_interlaced, is_top_field);
645 buf + hdr_size + slice_size,
646 data_size - hdr_size - slice_size, &a_data_size);
652 return hdr_size + y_data_size + u_data_size + v_data_size + a_data_size;
656 uint8_t *buf,
const int buf_size,
const int picture_index,
const int is_top_field)
659 int mb_width = (avctx->
width + 15) >> 4;
660 int hdr_size, sl_size,
i;
661 int mb_y, sl_data_size, qp, mb_height, picture_height, unsafe_mb_height_limit;
662 int unsafe_bot, unsafe_right;
663 uint8_t *sl_data, *sl_data_sizes;
664 int slice_per_line = 0, rem = mb_width;
666 if (!
ctx->is_interlaced) {
667 mb_height = (avctx->
height + 15) >> 4;
668 unsafe_mb_height_limit = mb_height;
671 picture_height = (avctx->
height + 1) / 2;
673 picture_height = avctx->
height / 2;
675 mb_height = (picture_height + 15) >> 4;
676 unsafe_mb_height_limit = mb_height;
680 slice_per_line += rem >>
i;
685 hdr_size = 8; sl_data_size = buf_size - hdr_size;
686 sl_data_sizes = buf + hdr_size;
687 sl_data = sl_data_sizes + (slice_per_line * mb_height * 2);
688 for (mb_y = 0; mb_y < mb_height; mb_y++) {
691 while (mb_x < mb_width) {
692 while (mb_width - mb_x < slice_mb_count)
693 slice_mb_count >>= 1;
695 unsafe_bot = (avctx->
height & 0xf) && (mb_y == unsafe_mb_height_limit - 1);
696 unsafe_right = (avctx->
width & 0xf) && (mb_x + slice_mb_count == mb_width);
698 sl_size =
encode_slice(avctx, pic, mb_x, mb_y, slice_mb_count,
699 sl_data, sl_data_size, unsafe_bot || unsafe_right, &qp,
ctx->is_interlaced, is_top_field);
704 bytestream_put_be16(&sl_data_sizes, sl_size);
706 sl_data_size -= sl_size;
707 mb_x += slice_mb_count;
711 buf[0] = hdr_size << 3;
712 AV_WB32(buf + 1, sl_data - buf);
713 AV_WB16(buf + 5, slice_per_line * mb_height);
716 return sl_data - buf;
720 const AVFrame *pict,
int *got_packet)
723 int header_size = 148;
725 int compress_frame_size, pic_size, ret, is_top_field_first = 0;
734 compress_frame_size = 8 + header_size;
736 bytestream_put_be32(&buf, compress_frame_size);
739 bytestream_put_be16(&buf, header_size);
740 bytestream_put_be16(&buf, 0);
742 bytestream_put_be16(&buf, avctx->
width);
743 bytestream_put_be16(&buf, avctx->
height);
747 if (
ctx->is_interlaced) {
751 is_top_field_first = 1;
759 *buf++ = frame_flags;
781 pkt->
size - compress_frame_size, 0, is_top_field_first);
785 compress_frame_size += pic_size;
787 if (
ctx->is_interlaced) {
789 pkt->
size - compress_frame_size, 1, !is_top_field_first);
793 compress_frame_size += pic_size;
798 pkt->
size = compress_frame_size;
807 for (
i = 0;
i < 64;
i++)
808 dst[
i] =
src[
i] * scale;
819 if (
ctx->is_interlaced) {
825 if (avctx->
width & 0x1) {
827 "frame width needs to be multiple of 2\n");
831 if (avctx->
width > 65534 || avctx->
height > 65535) {
833 "The maximum dimensions are 65534x65535\n");
837 if (strlen(
ctx->vendor) != 4) {
846 "encoding with ProRes standard (apcn) profile\n");
850 "encoding with ProRes 4444 (ap4h) profile\n");
854 "encoding with ProRes 4444+ (ap4h) profile\n");
864 "unknown profile %d, use [0 - apco, 1 - apcs, 2 - apcn (default), 3 - apch, 4 - ap4h, 5 - ap4x]\n",
869 "encoding with ProRes 444/Xq (ap4h/ap4x) profile, need YUV444P10 input\n");
874 "encoding with ProRes Proxy/LT/422/422 HQ (apco, apcs, apcn, ap4h) profile, need YUV422P10 input\n");
880 if ((avctx->
height & 0xf) || (avctx->
width & 0xf)) {
889 if ((avctx->
height & 0xf) || (avctx->
width & 0xf)) {
908 for (
i = 1;
i <= 16;
i++) {
925 #define OFFSET(x) offsetof(ProresContext, x)
926 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static double val(void *priv, double ch)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;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);return NULL;} return ac;} 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;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->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);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Libavcodec external API header.
#define FF_PROFILE_PRORES_STANDARD
#define FF_PROFILE_UNKNOWN
#define FF_PROFILE_PRORES_PROXY
#define FF_PROFILE_PRORES_4444
#define FF_PROFILE_PRORES_LT
#define FF_PROFILE_PRORES_XQ
#define FF_PROFILE_PRORES_HQ
static av_cold int init(AVCodecContext *avctx)
static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
static const unsigned codebook[256][2]
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
Check AVPacket size and/or allocate data.
av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
#define AV_CODEC_FLAG_GRAY
Only decode/encode grayscale.
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
#define AV_INPUT_BUFFER_MIN_SIZE
minimum encoding buffer size Used to avoid some checks during header writing.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define AV_LOG_INFO
Standard information.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
const char * av_default_item_name(void *ptr)
Return the context name.
#define LIBAVUTIL_VERSION_INT
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
int ff_int_from_list_or_default(void *ctx, const char *val_name, int val, const int *array_valid_values, int default_value)
Check if a value is in the list.
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static enum AVPixelFormat pix_fmts[]
static const uint16_t mask[17]
#define LOCAL_ALIGNED(a, t, v,...)
#define AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUV422P10
AVPixelFormat
Pixel format.
@ AVCOL_PRI_BT470BG
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
@ AVCOL_PRI_SMPTE432
SMPTE ST 432-1 (2010) / P3 D65 / Display P3.
@ AVCOL_PRI_BT709
also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
@ AVCOL_PRI_SMPTE431
SMPTE ST 431-2 (2011) / DCI P3.
@ AVCOL_PRI_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
@ AVCOL_PRI_BT2020
ITU-R BT2020.
@ AVCOL_TRC_SMPTE2084
SMPTE ST 2084 for 10-, 12-, 14- and 16-bit systems.
@ AVCOL_TRC_ARIB_STD_B67
ARIB STD-B67, known as "Hybrid log-gamma".
@ AVCOL_TRC_BT709
also ITU-R BT1361
#define AV_PIX_FMT_YUV444P10
@ AVCOL_SPC_BT709
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
@ AVCOL_SPC_BT2020_NCL
ITU-R BT2020 non-constant luminance system.
@ AVCOL_SPC_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
const AVProfile ff_prores_profiles[]
const uint8_t ff_prores_progressive_scan[64]
const uint8_t ff_prores_interlaced_scan[64]
static const int valid_colorspace[]
static const uint8_t QMAT_LUMA[6][64]
static av_cold int prores_encode_init(AVCodecContext *avctx)
#define DEFAULT_SLICE_MB_WIDTH
static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
static void encode_dc_coeffs(PutBitContext *pb, int16_t *in, int blocks_per_slice, int *qmat)
static void subimage_alpha_with_fill(uint16_t *src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t *dst, unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
#define DIFF_SIGN(val, sign)
AVCodec ff_prores_encoder
static av_always_inline unsigned encode_slice_data(AVCodecContext *avctx, int16_t *blocks_y, int16_t *blocks_u, int16_t *blocks_v, unsigned mb_count, uint8_t *buf, unsigned data_size, unsigned *y_data_size, unsigned *u_data_size, unsigned *v_data_size, int qp)
static const AVOption options[]
static const AVProfile profiles[]
#define QSCALE(qmat, ind, val)
static const AVClass prores_enc_class
static const uint8_t run_to_cb[16]
static const int bitrate_table[]
static const int valid_trc[]
AVCodec ff_prores_aw_encoder
static const int valid_primaries[]
static void encode_ac_coeffs(PutBitContext *pb, int16_t *in, int blocks_per_slice, int *qmat, const uint8_t ff_prores_scan[64])
static void calc_plane_dct(FDCTDSPContext *fdsp, uint8_t *src, int16_t *blocks, int src_stride, int mb_count, int chroma, int is_422)
static void scale_mat(const uint8_t *src, int *dst, int scale)
static void put_alpha_run(PutBitContext *pb, int run)
static av_cold int prores_encode_close(AVCodecContext *avctx)
static int encode_slice(AVCodecContext *avctx, const AVFrame *pic, int mb_x, int mb_y, unsigned mb_count, uint8_t *buf, unsigned data_size, int unsafe, int *qp, int is_interlaced, int is_top_field)
static const int qp_start_table[]
static const uint8_t dc_codebook[7]
#define TO_GOLOMB2(val, sign)
static int prores_encode_picture(AVCodecContext *avctx, const AVFrame *pic, uint8_t *buf, const int buf_size, const int picture_index, const int is_top_field)
static const uint8_t QMAT_CHROMA[6][64]
static const uint8_t lev_to_cb[10]
static void fdct_get(FDCTDSPContext *fdsp, uint8_t *pixels, int stride, int16_t *block)
static av_always_inline int get_level(int val)
static av_always_inline int encode_alpha_slice_data(AVCodecContext *avctx, int8_t *src_a, unsigned mb_count, uint8_t *buf, unsigned data_size, unsigned *a_data_size)
static const int qp_end_table[]
static void encode_codeword(PutBitContext *pb, int val, int codebook)
static void subimage_with_fill_template(uint16_t *src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t *dst, unsigned dst_width, unsigned dst_height, int is_alpha_plane, int is_interlaced, int is_top_field)
static const AVClass proresaw_enc_class
static void subimage_with_fill(uint16_t *src, unsigned x, unsigned y, unsigned stride, unsigned width, unsigned height, uint16_t *dst, unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
static void put_alpha_diff(PutBitContext *pb, int cur, int prev)
static int encode_slice_plane(int16_t *blocks, int mb_count, uint8_t *buf, unsigned buf_size, int *qmat, int sub_sample_chroma, const uint8_t ff_prores_scan[64])
static void get(uint8_t *pixels, int stride, int16_t *block)
static void put_sbits(PutBitContext *pb, int n, int32_t value)
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
static uint8_t * put_bits_ptr(PutBitContext *s)
Return the pointer to the byte where the bitstream writer will put the next bit.
static int put_bits_count(PutBitContext *s)
static int put_bits_left(PutBitContext *s)
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
Describe the class of an AVClass context structure.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
main external API structure.
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
int width
picture width / height.
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
int flags
AV_CODEC_FLAG_*.
const char * name
Name of the codec implementation.
This structure describes decoded (raw) audio or video data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
enum AVColorPrimaries color_primaries
int top_field_first
If the content is interlaced, is top field displayed first.
int interlaced_frame
The content of the picture is interlaced.
enum AVColorSpace colorspace
YUV colorspace type.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
enum AVColorTransferCharacteristic color_trc
This structure stores compressed data.
int flags
A combination of AV_PKT_FLAG values.
const char * name
short name for the profile
void(* fdct)(int16_t *block)
const uint8_t * scantable
static av_always_inline int diff(const uint32_t a, const uint32_t b)