Mercurial > hg > forks > libbpg
annotate x265_glue.c @ 34:5d51fff843eb default tip
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sun, 08 Mar 2020 19:18:48 +0200 |
| parents | 33594243ce31 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 33 | 2 * x265 encoder front-end |
| 0 | 3 * |
| 4 * Copyright (c) 2014 Fabrice Bellard | |
| 5 * | |
| 6 * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 7 * of this software and associated documentation files (the "Software"), to deal | |
| 8 * in the Software without restriction, including without limitation the rights | |
| 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 10 * copies of the Software, and to permit persons to whom the Software is | |
| 11 * furnished to do so, subject to the following conditions: | |
| 12 * | |
| 13 * The above copyright notice and this permission notice shall be included in | |
| 14 * all copies or substantial portions of the Software. | |
| 15 * | |
| 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| 22 * THE SOFTWARE. | |
| 23 */ | |
| 24 #include <stdlib.h> | |
| 25 #include <stdio.h> | |
| 26 #include <string.h> | |
| 27 #include <inttypes.h> | |
| 28 #include <unistd.h> | |
| 29 | |
| 30 #include "bpgenc.h" | |
| 31 | |
| 32 #include "x265.h" | |
| 33 | |
| 34 struct HEVCEncoderContext { | |
| 35 const x265_api *api; | |
| 36 x265_encoder *enc; | |
| 37 x265_picture *pic; | |
| 38 uint8_t *buf; | |
| 39 int buf_len, buf_size; | |
| 40 }; | |
| 41 | |
| 42 static HEVCEncoderContext *x265_open(const HEVCEncodeParams *params) | |
| 43 { | |
| 44 HEVCEncoderContext *s; | |
| 45 x265_param *p; | |
| 46 int preset_index; | |
| 47 const char *preset; | |
| 33 | 48 |
| 0 | 49 s = malloc(sizeof(HEVCEncoderContext)); |
| 50 memset(s, 0, sizeof(*s)); | |
| 51 | |
| 52 s->api = x265_api_get(params->bit_depth); | |
| 53 if (!s->api) { | |
| 54 fprintf(stderr, "x265 supports bit depths of 8, 10 or 12.\n"); | |
| 55 return NULL; | |
| 56 } | |
| 57 #if 0 | |
| 58 /* Note: the x265 library included in libbpg supported gray encoding */ | |
| 59 if (params->chroma_format == BPG_FORMAT_GRAY) { | |
| 60 fprintf(stderr, "x265 does not support monochrome (or alpha) data yet. Plase use the jctvc encoder.\n"); | |
| 61 return NULL; | |
| 62 } | |
| 63 #endif | |
| 33 | 64 |
| 0 | 65 p = s->api->param_alloc(); |
| 66 | |
| 67 preset_index = params->compress_level; /* 9 is placebo */ | |
| 68 | |
| 69 preset = x265_preset_names[preset_index]; | |
| 70 if (params->verbose) | |
| 71 printf("Using x265 preset: %s\n", preset); | |
| 33 | 72 |
| 0 | 73 s->api->param_default_preset(p, preset, "ssim"); |
| 74 | |
| 75 p->bRepeatHeaders = 1; | |
| 76 p->decodedPictureHashSEI = params->sei_decoded_picture_hash; | |
| 77 p->sourceWidth = params->width; | |
| 78 p->sourceHeight = params->height; | |
| 79 switch(params->chroma_format) { | |
| 80 case BPG_FORMAT_GRAY: | |
| 81 p->internalCsp = X265_CSP_I400; | |
| 82 break; | |
| 83 case BPG_FORMAT_420: | |
| 84 p->internalCsp = X265_CSP_I420; | |
| 85 break; | |
| 86 case BPG_FORMAT_422: | |
| 87 p->internalCsp = X265_CSP_I422; | |
| 88 break; | |
| 89 case BPG_FORMAT_444: | |
| 90 p->internalCsp = X265_CSP_I444; | |
| 91 break; | |
| 92 default: | |
| 93 abort(); | |
| 94 } | |
| 95 if (params->intra_only) { | |
| 96 p->keyframeMax = 1; /* only I frames */ | |
| 97 p->totalFrames = 1; | |
| 98 } else { | |
| 99 p->keyframeMax = 250; | |
| 100 p->totalFrames = 0; | |
| 101 p->maxNumReferences = 1; | |
| 102 p->bframes = 0; | |
| 103 } | |
| 104 p->bEnableRectInter = 1; | |
| 105 p->bEnableAMP = 1; /* cannot use 0 due to header restriction */ | |
| 106 p->internalBitDepth = params->bit_depth; | |
| 107 p->bEmitInfoSEI = 0; | |
| 108 if (params->verbose) | |
| 109 p->logLevel = X265_LOG_INFO; | |
| 110 else | |
| 111 p->logLevel = X265_LOG_NONE; | |
| 33 | 112 |
| 0 | 113 /* dummy frame rate */ |
| 114 p->fpsNum = 25; | |
| 115 p->fpsDenom = 1; | |
| 116 | |
| 117 p->rc.rateControlMode = X265_RC_CQP; | |
| 118 p->rc.qp = params->qp; | |
| 119 p->bLossless = params->lossless; | |
| 120 | |
| 121 s->enc = s->api->encoder_open(p); | |
| 122 | |
| 123 s->pic = s->api->picture_alloc(); | |
| 124 s->api->picture_init(p, s->pic); | |
| 125 | |
| 126 s->pic->colorSpace = p->internalCsp; | |
| 127 | |
| 128 s->api->param_free(p); | |
| 129 | |
| 130 return s; | |
| 131 } | |
| 132 | |
| 133 static void add_nal(HEVCEncoderContext *s, const uint8_t *data, int data_len) | |
| 134 { | |
| 135 int new_size, size; | |
| 136 | |
| 137 size = s->buf_len + data_len; | |
| 138 if (size > s->buf_size) { | |
| 139 new_size = (s->buf_size * 3) / 2; | |
| 140 if (new_size < size) | |
| 141 new_size = size; | |
| 142 s->buf = realloc(s->buf, new_size); | |
| 143 s->buf_size = new_size; | |
| 144 } | |
| 145 memcpy(s->buf + s->buf_len, data, data_len); | |
| 146 s->buf_len += data_len; | |
| 147 } | |
| 148 | |
| 149 static int x265_encode(HEVCEncoderContext *s, Image *img) | |
| 150 { | |
|
34
5d51fff843eb
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
151 int ret; |
| 0 | 152 uint32_t nal_count; |
| 153 x265_nal *p_nal; | |
|
34
5d51fff843eb
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
154 x265_picture *pic = s->pic; |
|
5d51fff843eb
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
155 int c_count = (img->format == BPG_FORMAT_GRAY) ? 1 : 3; |
| 0 | 156 |
|
34
5d51fff843eb
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
157 for (int i = 0; i < c_count; i++) { |
| 0 | 158 pic->planes[i] = img->data[i]; |
| 159 pic->stride[i] = img->linesize[i]; | |
| 160 } | |
| 161 pic->bitDepth = img->bit_depth; | |
| 162 | |
| 163 ret = s->api->encoder_encode(s->enc, &p_nal, &nal_count, pic, NULL); | |
| 164 if (ret > 0) { | |
|
34
5d51fff843eb
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
165 for(uint32_t i = 0; i < nal_count; i++) { |
| 0 | 166 add_nal(s, p_nal[i].payload, p_nal[i].sizeBytes); |
| 167 } | |
| 168 } | |
| 169 return 0; | |
| 170 } | |
| 171 | |
| 172 static int x265_close(HEVCEncoderContext *s, uint8_t **pbuf) | |
| 173 { | |
|
34
5d51fff843eb
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
174 int buf_len, ret; |
| 0 | 175 uint32_t nal_count; |
| 176 x265_nal *p_nal; | |
| 33 | 177 |
| 0 | 178 /* get last compressed pictures */ |
| 179 for(;;) { | |
| 180 ret = s->api->encoder_encode(s->enc, &p_nal, &nal_count, NULL, NULL); | |
| 181 if (ret <= 0) | |
| 182 break; | |
|
34
5d51fff843eb
A "commit dump" of random changes I've made, as I probably won't be touching this code anymore.
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
183 for (uint32_t i = 0; i < nal_count; i++) { |
| 0 | 184 add_nal(s, p_nal[i].payload, p_nal[i].sizeBytes); |
| 185 } | |
| 186 } | |
| 187 | |
| 188 if (s->buf_len < s->buf_size) { | |
| 189 s->buf = realloc(s->buf, s->buf_len); | |
| 190 } | |
| 191 | |
| 192 *pbuf = s->buf; | |
| 193 buf_len = s->buf_len; | |
| 194 | |
| 195 s->api->encoder_close(s->enc); | |
| 196 s->api->picture_free(s->pic); | |
| 197 free(s); | |
| 198 return buf_len; | |
| 199 } | |
| 200 | |
| 201 HEVCEncoder x265_hevc_encoder = { | |
| 202 .open = x265_open, | |
| 203 .encode = x265_encode, | |
| 204 .close = x265_close, | |
| 205 }; |