| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include <va/va.h> | ||
| 20 | #include <va/va_enc_jpeg.h> | ||
| 21 | |||
| 22 | #include "libavutil/avassert.h" | ||
| 23 | #include "libavutil/common.h" | ||
| 24 | #include "libavutil/internal.h" | ||
| 25 | #include "libavutil/opt.h" | ||
| 26 | #include "libavutil/pixdesc.h" | ||
| 27 | |||
| 28 | #include "avcodec.h" | ||
| 29 | #include "bytestream.h" | ||
| 30 | #include "cbs.h" | ||
| 31 | #include "cbs_jpeg.h" | ||
| 32 | #include "codec_internal.h" | ||
| 33 | #include "jpegtables.h" | ||
| 34 | #include "mjpeg.h" | ||
| 35 | #include "put_bits.h" | ||
| 36 | #include "vaapi_encode.h" | ||
| 37 | |||
| 38 | |||
| 39 | // Standard JPEG quantisation tables, in zigzag order. | ||
| 40 | static const unsigned char vaapi_encode_mjpeg_quant_luminance[64] = { | ||
| 41 | 16, 11, 12, 14, 12, 10, 16, 14, | ||
| 42 | 13, 14, 18, 17, 16, 19, 24, 40, | ||
| 43 | 26, 24, 22, 22, 24, 49, 35, 37, | ||
| 44 | 29, 40, 58, 51, 61, 60, 57, 51, | ||
| 45 | 56, 55, 64, 72, 92, 78, 64, 68, | ||
| 46 | 87, 69, 55, 56, 80, 109, 81, 87, | ||
| 47 | 95, 98, 103, 104, 103, 62, 77, 113, | ||
| 48 | 121, 112, 100, 120, 92, 101, 103, 99, | ||
| 49 | }; | ||
| 50 | static const unsigned char vaapi_encode_mjpeg_quant_chrominance[64] = { | ||
| 51 | 17, 18, 18, 24, 21, 24, 47, 26, | ||
| 52 | 26, 47, 99, 66, 56, 66, 99, 99, | ||
| 53 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
| 54 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
| 55 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
| 56 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
| 57 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
| 58 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
| 59 | }; | ||
| 60 | |||
| 61 | typedef struct VAAPIEncodeMJPEGContext { | ||
| 62 | VAAPIEncodeContext common; | ||
| 63 | |||
| 64 | // User options. | ||
| 65 | int jfif; | ||
| 66 | int huffman; | ||
| 67 | |||
| 68 | // Derived settings. | ||
| 69 | int quality; | ||
| 70 | uint8_t jfif_data[14]; | ||
| 71 | |||
| 72 | // Writer structures. | ||
| 73 | JPEGRawFrameHeader frame_header; | ||
| 74 | JPEGRawScan scan; | ||
| 75 | JPEGRawApplicationData jfif_header; | ||
| 76 | JPEGRawQuantisationTableSpecification quant_tables; | ||
| 77 | JPEGRawHuffmanTableSpecification huffman_tables; | ||
| 78 | |||
| 79 | CodedBitstreamContext *cbc; | ||
| 80 | CodedBitstreamFragment current_fragment; | ||
| 81 | } VAAPIEncodeMJPEGContext; | ||
| 82 | |||
| 83 | ✗ | static int vaapi_encode_mjpeg_write_image_header(AVCodecContext *avctx, | |
| 84 | VAAPIEncodePicture *pic, | ||
| 85 | VAAPIEncodeSlice *slice, | ||
| 86 | char *data, size_t *data_len) | ||
| 87 | { | ||
| 88 | ✗ | VAAPIEncodeMJPEGContext *priv = avctx->priv_data; | |
| 89 | ✗ | CodedBitstreamFragment *frag = &priv->current_fragment; | |
| 90 | int err; | ||
| 91 | |||
| 92 | ✗ | if (priv->jfif) { | |
| 93 | ✗ | err = ff_cbs_insert_unit_content(frag, -1, | |
| 94 | JPEG_MARKER_APPN + 0, | ||
| 95 | ✗ | &priv->jfif_header, NULL); | |
| 96 | ✗ | if (err < 0) | |
| 97 | ✗ | goto fail; | |
| 98 | } | ||
| 99 | |||
| 100 | ✗ | err = ff_cbs_insert_unit_content(frag, -1, | |
| 101 | JPEG_MARKER_DQT, | ||
| 102 | ✗ | &priv->quant_tables, NULL); | |
| 103 | ✗ | if (err < 0) | |
| 104 | ✗ | goto fail; | |
| 105 | |||
| 106 | ✗ | err = ff_cbs_insert_unit_content(frag, -1, | |
| 107 | JPEG_MARKER_SOF0, | ||
| 108 | ✗ | &priv->frame_header, NULL); | |
| 109 | ✗ | if (err < 0) | |
| 110 | ✗ | goto fail; | |
| 111 | |||
| 112 | ✗ | if (priv->huffman) { | |
| 113 | ✗ | err = ff_cbs_insert_unit_content(frag, -1, | |
| 114 | JPEG_MARKER_DHT, | ||
| 115 | ✗ | &priv->huffman_tables, NULL); | |
| 116 | ✗ | if (err < 0) | |
| 117 | ✗ | goto fail; | |
| 118 | } | ||
| 119 | |||
| 120 | ✗ | err = ff_cbs_insert_unit_content(frag, -1, | |
| 121 | JPEG_MARKER_SOS, | ||
| 122 | ✗ | &priv->scan, NULL); | |
| 123 | ✗ | if (err < 0) | |
| 124 | ✗ | goto fail; | |
| 125 | |||
| 126 | ✗ | err = ff_cbs_write_fragment_data(priv->cbc, frag); | |
| 127 | ✗ | if (err < 0) { | |
| 128 | ✗ | av_log(avctx, AV_LOG_ERROR, "Failed to write image header.\n"); | |
| 129 | ✗ | goto fail; | |
| 130 | } | ||
| 131 | |||
| 132 | ✗ | if (*data_len < 8 * frag->data_size) { | |
| 133 | ✗ | av_log(avctx, AV_LOG_ERROR, "Image header too large: " | |
| 134 | ✗ | "%zu < %zu.\n", *data_len, 8 * frag->data_size); | |
| 135 | ✗ | err = AVERROR(ENOSPC); | |
| 136 | ✗ | goto fail; | |
| 137 | } | ||
| 138 | |||
| 139 | // Remove the EOI at the end of the fragment. | ||
| 140 | ✗ | memcpy(data, frag->data, frag->data_size - 2); | |
| 141 | ✗ | *data_len = 8 * (frag->data_size - 2); | |
| 142 | |||
| 143 | ✗ | err = 0; | |
| 144 | ✗ | fail: | |
| 145 | ✗ | ff_cbs_fragment_reset(frag); | |
| 146 | ✗ | return err; | |
| 147 | } | ||
| 148 | |||
| 149 | ✗ | static int vaapi_encode_mjpeg_write_extra_buffer(AVCodecContext *avctx, | |
| 150 | FFHWBaseEncodePicture *base, | ||
| 151 | int index, int *type, | ||
| 152 | char *data, size_t *data_len) | ||
| 153 | { | ||
| 154 | ✗ | VAAPIEncodeMJPEGContext *priv = avctx->priv_data; | |
| 155 | int t, i, k; | ||
| 156 | |||
| 157 | ✗ | if (index == 0) { | |
| 158 | // Write quantisation tables. | ||
| 159 | ✗ | JPEGRawFrameHeader *fh = &priv->frame_header; | |
| 160 | ✗ | JPEGRawQuantisationTableSpecification *dqt = &priv->quant_tables; | |
| 161 | VAQMatrixBufferJPEG *quant; | ||
| 162 | |||
| 163 | ✗ | if (*data_len < sizeof(*quant)) | |
| 164 | ✗ | return AVERROR(ENOSPC); | |
| 165 | ✗ | *type = VAQMatrixBufferType; | |
| 166 | ✗ | *data_len = sizeof(*quant); | |
| 167 | |||
| 168 | ✗ | quant = (VAQMatrixBufferJPEG*)data; | |
| 169 | ✗ | memset(quant, 0, sizeof(*quant)); | |
| 170 | |||
| 171 | ✗ | quant->load_lum_quantiser_matrix = 1; | |
| 172 | ✗ | for (i = 0; i < 64; i++) | |
| 173 | ✗ | quant->lum_quantiser_matrix[i] = dqt->table[fh->Tq[0]].Q[i]; | |
| 174 | |||
| 175 | ✗ | if (fh->Nf > 1) { | |
| 176 | ✗ | quant->load_chroma_quantiser_matrix = 1; | |
| 177 | ✗ | for (i = 0; i < 64; i++) | |
| 178 | ✗ | quant->chroma_quantiser_matrix[i] = | |
| 179 | ✗ | dqt->table[fh->Tq[1]].Q[i]; | |
| 180 | } | ||
| 181 | |||
| 182 | ✗ | } else if (index == 1) { | |
| 183 | // Write huffman tables. | ||
| 184 | ✗ | JPEGRawScanHeader *sh = &priv->scan.header; | |
| 185 | ✗ | JPEGRawHuffmanTableSpecification *dht = &priv->huffman_tables; | |
| 186 | VAHuffmanTableBufferJPEGBaseline *huff; | ||
| 187 | |||
| 188 | ✗ | if (*data_len < sizeof(*huff)) | |
| 189 | ✗ | return AVERROR(ENOSPC); | |
| 190 | ✗ | *type = VAHuffmanTableBufferType; | |
| 191 | ✗ | *data_len = sizeof(*huff); | |
| 192 | |||
| 193 | ✗ | huff = (VAHuffmanTableBufferJPEGBaseline*)data; | |
| 194 | ✗ | memset(huff, 0, sizeof(*huff)); | |
| 195 | |||
| 196 | ✗ | for (t = 0; t < 1 + (sh->Ns > 1); t++) { | |
| 197 | const JPEGRawHuffmanTable *ht; | ||
| 198 | |||
| 199 | ✗ | huff->load_huffman_table[t] = 1; | |
| 200 | |||
| 201 | ✗ | ht = &dht->table[2 * t]; | |
| 202 | ✗ | for (i = k = 0; i < 16; i++) | |
| 203 | ✗ | k += (huff->huffman_table[t].num_dc_codes[i] = ht->L[i]); | |
| 204 | ✗ | av_assert0(k <= sizeof(huff->huffman_table[t].dc_values)); | |
| 205 | ✗ | for (i = 0; i < k; i++) | |
| 206 | ✗ | huff->huffman_table[t].dc_values[i] = ht->V[i]; | |
| 207 | |||
| 208 | ✗ | ht = &dht->table[2 * t + 1]; | |
| 209 | ✗ | for (i = k = 0; i < 16; i++) | |
| 210 | ✗ | k += (huff->huffman_table[t].num_ac_codes[i] = ht->L[i]); | |
| 211 | ✗ | av_assert0(k <= sizeof(huff->huffman_table[t].ac_values)); | |
| 212 | ✗ | for (i = 0; i < k; i++) | |
| 213 | ✗ | huff->huffman_table[t].ac_values[i] = ht->V[i]; | |
| 214 | } | ||
| 215 | |||
| 216 | } else { | ||
| 217 | ✗ | return AVERROR_EOF; | |
| 218 | } | ||
| 219 | ✗ | return 0; | |
| 220 | } | ||
| 221 | |||
| 222 | ✗ | static int vaapi_encode_mjpeg_init_picture_params(AVCodecContext *avctx, | |
| 223 | FFHWBaseEncodePicture *pic) | ||
| 224 | { | ||
| 225 | ✗ | FFHWBaseEncodeContext *base_ctx = avctx->priv_data; | |
| 226 | ✗ | VAAPIEncodeMJPEGContext *priv = avctx->priv_data; | |
| 227 | ✗ | VAAPIEncodePicture *vaapi_pic = pic->priv; | |
| 228 | ✗ | JPEGRawFrameHeader *fh = &priv->frame_header; | |
| 229 | ✗ | JPEGRawScanHeader *sh = &priv->scan.header; | |
| 230 | ✗ | VAEncPictureParameterBufferJPEG *vpic = vaapi_pic->codec_picture_params; | |
| 231 | const AVPixFmtDescriptor *desc; | ||
| 232 | ✗ | const uint8_t components_rgb[3] = { 'R', 'G', 'B' }; | |
| 233 | ✗ | const uint8_t components_yuv[3] = { 1, 2, 3 }; | |
| 234 | const uint8_t *components; | ||
| 235 | int t, i, quant_scale, len; | ||
| 236 | |||
| 237 | ✗ | av_assert0(pic->type == FF_HW_PICTURE_TYPE_IDR); | |
| 238 | |||
| 239 | ✗ | desc = av_pix_fmt_desc_get(base_ctx->input_frames->sw_format); | |
| 240 | ✗ | av_assert0(desc); | |
| 241 | ✗ | if (desc->flags & AV_PIX_FMT_FLAG_RGB) | |
| 242 | ✗ | components = components_rgb; | |
| 243 | else | ||
| 244 | ✗ | components = components_yuv; | |
| 245 | |||
| 246 | // Frame header. | ||
| 247 | |||
| 248 | ✗ | fh->P = 8; | |
| 249 | ✗ | fh->Y = avctx->height; | |
| 250 | ✗ | fh->X = avctx->width; | |
| 251 | ✗ | fh->Nf = desc->nb_components; | |
| 252 | |||
| 253 | ✗ | for (i = 0; i < fh->Nf; i++) { | |
| 254 | ✗ | fh->C[i] = components[i]; | |
| 255 | ✗ | fh->H[i] = 1 + (i == 0 ? desc->log2_chroma_w : 0); | |
| 256 | ✗ | fh->V[i] = 1 + (i == 0 ? desc->log2_chroma_h : 0); | |
| 257 | |||
| 258 | ✗ | fh->Tq[i] = !!i; | |
| 259 | } | ||
| 260 | |||
| 261 | ✗ | fh->Lf = 8 + 3 * fh->Nf; | |
| 262 | |||
| 263 | // JFIF header. | ||
| 264 | ✗ | if (priv->jfif) { | |
| 265 | ✗ | JPEGRawApplicationData *app = &priv->jfif_header; | |
| 266 | ✗ | AVRational sar = pic->input_image->sample_aspect_ratio; | |
| 267 | int sar_w, sar_h; | ||
| 268 | PutByteContext pbc; | ||
| 269 | |||
| 270 | ✗ | bytestream2_init_writer(&pbc, priv->jfif_data, | |
| 271 | sizeof(priv->jfif_data)); | ||
| 272 | |||
| 273 | ✗ | bytestream2_put_buffer(&pbc, "JFIF", 5); | |
| 274 | ✗ | bytestream2_put_be16(&pbc, 0x0102); | |
| 275 | ✗ | bytestream2_put_byte(&pbc, 0); | |
| 276 | |||
| 277 | ✗ | av_reduce(&sar_w, &sar_h, sar.num, sar.den, 65535); | |
| 278 | ✗ | if (sar_w && sar_h) { | |
| 279 | ✗ | bytestream2_put_be16(&pbc, sar_w); | |
| 280 | ✗ | bytestream2_put_be16(&pbc, sar_h); | |
| 281 | } else { | ||
| 282 | ✗ | bytestream2_put_be16(&pbc, 1); | |
| 283 | ✗ | bytestream2_put_be16(&pbc, 1); | |
| 284 | } | ||
| 285 | |||
| 286 | ✗ | bytestream2_put_byte(&pbc, 0); | |
| 287 | ✗ | bytestream2_put_byte(&pbc, 0); | |
| 288 | |||
| 289 | ✗ | av_assert0(bytestream2_get_bytes_left_p(&pbc) == 0); | |
| 290 | |||
| 291 | ✗ | app->Lp = 2 + sizeof(priv->jfif_data); | |
| 292 | ✗ | app->Ap = priv->jfif_data; | |
| 293 | ✗ | app->Ap_ref = NULL; | |
| 294 | } | ||
| 295 | |||
| 296 | // Quantisation tables. | ||
| 297 | |||
| 298 | ✗ | if (priv->quality < 50) | |
| 299 | ✗ | quant_scale = 5000 / priv->quality; | |
| 300 | else | ||
| 301 | ✗ | quant_scale = 200 - 2 * priv->quality; | |
| 302 | |||
| 303 | ✗ | len = 2; | |
| 304 | |||
| 305 | ✗ | for (t = 0; t < 1 + (fh->Nf > 1); t++) { | |
| 306 | ✗ | JPEGRawQuantisationTable *quant = &priv->quant_tables.table[t]; | |
| 307 | ✗ | const uint8_t *data = t == 0 ? | |
| 308 | vaapi_encode_mjpeg_quant_luminance : | ||
| 309 | vaapi_encode_mjpeg_quant_chrominance; | ||
| 310 | |||
| 311 | ✗ | quant->Pq = 0; | |
| 312 | ✗ | quant->Tq = t; | |
| 313 | ✗ | for (i = 0; i < 64; i++) | |
| 314 | ✗ | quant->Q[i] = av_clip(data[i] * quant_scale / 100, 1, 255); | |
| 315 | |||
| 316 | ✗ | len += 65; | |
| 317 | } | ||
| 318 | |||
| 319 | ✗ | priv->quant_tables.Lq = len; | |
| 320 | |||
| 321 | // Huffman tables. | ||
| 322 | |||
| 323 | ✗ | len = 2; | |
| 324 | |||
| 325 | ✗ | for (t = 0; t < 2 + 2 * (fh->Nf > 1); t++) { | |
| 326 | ✗ | JPEGRawHuffmanTable *huff = &priv->huffman_tables.table[t]; | |
| 327 | const uint8_t *lengths, *values; | ||
| 328 | int k; | ||
| 329 | |||
| 330 | ✗ | switch (t) { | |
| 331 | ✗ | case 0: | |
| 332 | ✗ | lengths = ff_mjpeg_bits_dc_luminance + 1; | |
| 333 | ✗ | values = ff_mjpeg_val_dc; | |
| 334 | ✗ | break; | |
| 335 | ✗ | case 1: | |
| 336 | ✗ | lengths = ff_mjpeg_bits_ac_luminance + 1; | |
| 337 | ✗ | values = ff_mjpeg_val_ac_luminance; | |
| 338 | ✗ | break; | |
| 339 | ✗ | case 2: | |
| 340 | ✗ | lengths = ff_mjpeg_bits_dc_chrominance + 1; | |
| 341 | ✗ | values = ff_mjpeg_val_dc; | |
| 342 | ✗ | break; | |
| 343 | ✗ | case 3: | |
| 344 | ✗ | lengths = ff_mjpeg_bits_ac_chrominance + 1; | |
| 345 | ✗ | values = ff_mjpeg_val_ac_chrominance; | |
| 346 | ✗ | break; | |
| 347 | } | ||
| 348 | |||
| 349 | ✗ | huff->Tc = t % 2; | |
| 350 | ✗ | huff->Th = t / 2; | |
| 351 | |||
| 352 | ✗ | for (i = k = 0; i < 16; i++) | |
| 353 | ✗ | k += (huff->L[i] = lengths[i]); | |
| 354 | |||
| 355 | ✗ | for (i = 0; i < k; i++) | |
| 356 | ✗ | huff->V[i] = values[i]; | |
| 357 | |||
| 358 | ✗ | len += 17 + k; | |
| 359 | } | ||
| 360 | |||
| 361 | ✗ | priv->huffman_tables.Lh = len; | |
| 362 | |||
| 363 | // Scan header. | ||
| 364 | |||
| 365 | ✗ | sh->Ns = fh->Nf; | |
| 366 | |||
| 367 | ✗ | for (i = 0; i < fh->Nf; i++) { | |
| 368 | ✗ | sh->Cs[i] = fh->C[i]; | |
| 369 | ✗ | sh->Td[i] = i > 0; | |
| 370 | ✗ | sh->Ta[i] = i > 0; | |
| 371 | } | ||
| 372 | |||
| 373 | ✗ | sh->Ss = 0; | |
| 374 | ✗ | sh->Se = 63; | |
| 375 | ✗ | sh->Ah = 0; | |
| 376 | ✗ | sh->Al = 0; | |
| 377 | |||
| 378 | ✗ | sh->Ls = 6 + 2 * sh->Ns; | |
| 379 | |||
| 380 | |||
| 381 | ✗ | *vpic = (VAEncPictureParameterBufferJPEG) { | |
| 382 | ✗ | .reconstructed_picture = vaapi_pic->recon_surface, | |
| 383 | ✗ | .coded_buf = vaapi_pic->output_buffer, | |
| 384 | |||
| 385 | ✗ | .picture_width = fh->X, | |
| 386 | ✗ | .picture_height = fh->Y, | |
| 387 | |||
| 388 | .pic_flags.bits = { | ||
| 389 | .profile = 0, | ||
| 390 | .progressive = 0, | ||
| 391 | .huffman = 1, | ||
| 392 | .interleaved = 0, | ||
| 393 | .differential = 0, | ||
| 394 | }, | ||
| 395 | |||
| 396 | ✗ | .sample_bit_depth = fh->P, | |
| 397 | .num_scan = 1, | ||
| 398 | ✗ | .num_components = fh->Nf, | |
| 399 | |||
| 400 | // The driver modifies the provided quantisation tables according | ||
| 401 | // to this quality value; the middle value of 50 makes that the | ||
| 402 | // identity so that they are used unchanged. | ||
| 403 | .quality = 50, | ||
| 404 | }; | ||
| 405 | |||
| 406 | ✗ | for (i = 0; i < fh->Nf; i++) { | |
| 407 | ✗ | vpic->component_id[i] = fh->C[i]; | |
| 408 | ✗ | vpic->quantiser_table_selector[i] = fh->Tq[i]; | |
| 409 | } | ||
| 410 | |||
| 411 | ✗ | vaapi_pic->nb_slices = 1; | |
| 412 | |||
| 413 | ✗ | return 0; | |
| 414 | } | ||
| 415 | |||
| 416 | ✗ | static int vaapi_encode_mjpeg_init_slice_params(AVCodecContext *avctx, | |
| 417 | FFHWBaseEncodePicture *base, | ||
| 418 | VAAPIEncodeSlice *slice) | ||
| 419 | { | ||
| 420 | ✗ | VAAPIEncodeMJPEGContext *priv = avctx->priv_data; | |
| 421 | ✗ | JPEGRawScanHeader *sh = &priv->scan.header; | |
| 422 | ✗ | VAEncSliceParameterBufferJPEG *vslice = slice->codec_slice_params; | |
| 423 | int i; | ||
| 424 | |||
| 425 | ✗ | *vslice = (VAEncSliceParameterBufferJPEG) { | |
| 426 | .restart_interval = 0, | ||
| 427 | ✗ | .num_components = sh->Ns, | |
| 428 | }; | ||
| 429 | |||
| 430 | ✗ | for (i = 0; i < sh->Ns; i++) { | |
| 431 | ✗ | vslice->components[i].component_selector = sh->Cs[i]; | |
| 432 | ✗ | vslice->components[i].dc_table_selector = sh->Td[i]; | |
| 433 | ✗ | vslice->components[i].ac_table_selector = sh->Ta[i]; | |
| 434 | } | ||
| 435 | |||
| 436 | ✗ | return 0; | |
| 437 | } | ||
| 438 | |||
| 439 | ✗ | static av_cold int vaapi_encode_mjpeg_get_encoder_caps(AVCodecContext *avctx) | |
| 440 | { | ||
| 441 | ✗ | FFHWBaseEncodeContext *base_ctx = avctx->priv_data; | |
| 442 | const AVPixFmtDescriptor *desc; | ||
| 443 | |||
| 444 | ✗ | desc = av_pix_fmt_desc_get(base_ctx->input_frames->sw_format); | |
| 445 | ✗ | av_assert0(desc); | |
| 446 | |||
| 447 | ✗ | base_ctx->surface_width = FFALIGN(avctx->width, 8 << desc->log2_chroma_w); | |
| 448 | ✗ | base_ctx->surface_height = FFALIGN(avctx->height, 8 << desc->log2_chroma_h); | |
| 449 | |||
| 450 | ✗ | return 0; | |
| 451 | } | ||
| 452 | |||
| 453 | ✗ | static av_cold int vaapi_encode_mjpeg_configure(AVCodecContext *avctx) | |
| 454 | { | ||
| 455 | ✗ | VAAPIEncodeContext *ctx = avctx->priv_data; | |
| 456 | ✗ | VAAPIEncodeMJPEGContext *priv = avctx->priv_data; | |
| 457 | int err; | ||
| 458 | |||
| 459 | ✗ | priv->quality = ctx->rc_quality; | |
| 460 | ✗ | if (priv->quality < 1 || priv->quality > 100) { | |
| 461 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid quality value %d " | |
| 462 | "(must be 1-100).\n", priv->quality); | ||
| 463 | ✗ | return AVERROR(EINVAL); | |
| 464 | } | ||
| 465 | |||
| 466 | // Hack: the implementation calls the JPEG image header (which we | ||
| 467 | // will use in the same way as a slice header) generic "raw data". | ||
| 468 | // Therefore, if after the packed header capability check we have | ||
| 469 | // PACKED_HEADER_RAW_DATA available, rewrite it as | ||
| 470 | // PACKED_HEADER_SLICE so that the header-writing code can do the | ||
| 471 | // right thing. | ||
| 472 | ✗ | if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_RAW_DATA) { | |
| 473 | ✗ | ctx->va_packed_headers &= ~VA_ENC_PACKED_HEADER_RAW_DATA; | |
| 474 | ✗ | ctx->va_packed_headers |= VA_ENC_PACKED_HEADER_SLICE; | |
| 475 | } | ||
| 476 | |||
| 477 | ✗ | err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_MJPEG, avctx); | |
| 478 | ✗ | if (err < 0) | |
| 479 | ✗ | return err; | |
| 480 | |||
| 481 | ✗ | return 0; | |
| 482 | } | ||
| 483 | |||
| 484 | static const VAAPIEncodeProfile vaapi_encode_mjpeg_profiles[] = { | ||
| 485 | { AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT, | ||
| 486 | 8, 1, 0, 0, VAProfileJPEGBaseline }, | ||
| 487 | { AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT, | ||
| 488 | 8, 3, 1, 1, VAProfileJPEGBaseline }, | ||
| 489 | { AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT, | ||
| 490 | 8, 3, 1, 0, VAProfileJPEGBaseline }, | ||
| 491 | { AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT, | ||
| 492 | 8, 3, 0, 0, VAProfileJPEGBaseline }, | ||
| 493 | { AV_PROFILE_UNKNOWN } | ||
| 494 | }; | ||
| 495 | |||
| 496 | static const VAAPIEncodeType vaapi_encode_type_mjpeg = { | ||
| 497 | .profiles = vaapi_encode_mjpeg_profiles, | ||
| 498 | |||
| 499 | .flags = FF_HW_FLAG_CONSTANT_QUALITY_ONLY | | ||
| 500 | FF_HW_FLAG_INTRA_ONLY, | ||
| 501 | |||
| 502 | .get_encoder_caps = &vaapi_encode_mjpeg_get_encoder_caps, | ||
| 503 | .configure = &vaapi_encode_mjpeg_configure, | ||
| 504 | |||
| 505 | .default_quality = 80, | ||
| 506 | |||
| 507 | .picture_params_size = sizeof(VAEncPictureParameterBufferJPEG), | ||
| 508 | .init_picture_params = &vaapi_encode_mjpeg_init_picture_params, | ||
| 509 | |||
| 510 | .slice_params_size = sizeof(VAEncSliceParameterBufferJPEG), | ||
| 511 | .init_slice_params = &vaapi_encode_mjpeg_init_slice_params, | ||
| 512 | |||
| 513 | .slice_header_type = VAEncPackedHeaderRawData, | ||
| 514 | .write_slice_header = &vaapi_encode_mjpeg_write_image_header, | ||
| 515 | |||
| 516 | .write_extra_buffer = &vaapi_encode_mjpeg_write_extra_buffer, | ||
| 517 | }; | ||
| 518 | |||
| 519 | ✗ | static av_cold int vaapi_encode_mjpeg_init(AVCodecContext *avctx) | |
| 520 | { | ||
| 521 | ✗ | VAAPIEncodeContext *ctx = avctx->priv_data; | |
| 522 | |||
| 523 | ✗ | ctx->codec = &vaapi_encode_type_mjpeg; | |
| 524 | |||
| 525 | // The JPEG image header - see note above. | ||
| 526 | ✗ | ctx->desired_packed_headers = | |
| 527 | VA_ENC_PACKED_HEADER_RAW_DATA; | ||
| 528 | |||
| 529 | ✗ | return ff_vaapi_encode_init(avctx); | |
| 530 | } | ||
| 531 | |||
| 532 | ✗ | static av_cold int vaapi_encode_mjpeg_close(AVCodecContext *avctx) | |
| 533 | { | ||
| 534 | ✗ | VAAPIEncodeMJPEGContext *priv = avctx->priv_data; | |
| 535 | |||
| 536 | ✗ | ff_cbs_fragment_free(&priv->current_fragment); | |
| 537 | ✗ | ff_cbs_close(&priv->cbc); | |
| 538 | |||
| 539 | ✗ | return ff_vaapi_encode_close(avctx); | |
| 540 | } | ||
| 541 | |||
| 542 | #define OFFSET(x) offsetof(VAAPIEncodeMJPEGContext, x) | ||
| 543 | #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) | ||
| 544 | static const AVOption vaapi_encode_mjpeg_options[] = { | ||
| 545 | HW_BASE_ENCODE_COMMON_OPTIONS, | ||
| 546 | VAAPI_ENCODE_COMMON_OPTIONS, | ||
| 547 | |||
| 548 | { "jfif", "Include JFIF header", | ||
| 549 | OFFSET(jfif), AV_OPT_TYPE_BOOL, | ||
| 550 | { .i64 = 0 }, 0, 1, FLAGS }, | ||
| 551 | { "huffman", "Include huffman tables", | ||
| 552 | OFFSET(huffman), AV_OPT_TYPE_BOOL, | ||
| 553 | { .i64 = 1 }, 0, 1, FLAGS }, | ||
| 554 | |||
| 555 | { NULL }, | ||
| 556 | }; | ||
| 557 | |||
| 558 | static const FFCodecDefault vaapi_encode_mjpeg_defaults[] = { | ||
| 559 | { "b", "0" }, | ||
| 560 | { NULL }, | ||
| 561 | }; | ||
| 562 | |||
| 563 | static const AVClass vaapi_encode_mjpeg_class = { | ||
| 564 | .class_name = "mjpeg_vaapi", | ||
| 565 | .item_name = av_default_item_name, | ||
| 566 | .option = vaapi_encode_mjpeg_options, | ||
| 567 | .version = LIBAVUTIL_VERSION_INT, | ||
| 568 | }; | ||
| 569 | |||
| 570 | const FFCodec ff_mjpeg_vaapi_encoder = { | ||
| 571 | .p.name = "mjpeg_vaapi", | ||
| 572 | CODEC_LONG_NAME("MJPEG (VAAPI)"), | ||
| 573 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 574 | .p.id = AV_CODEC_ID_MJPEG, | ||
| 575 | .priv_data_size = sizeof(VAAPIEncodeMJPEGContext), | ||
| 576 | .init = &vaapi_encode_mjpeg_init, | ||
| 577 | FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet), | ||
| 578 | .close = &vaapi_encode_mjpeg_close, | ||
| 579 | .p.priv_class = &vaapi_encode_mjpeg_class, | ||
| 580 | .p.capabilities = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DR1 | | ||
| 581 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
| 582 | .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE | | ||
| 583 | FF_CODEC_CAP_INIT_CLEANUP, | ||
| 584 | .defaults = vaapi_encode_mjpeg_defaults, | ||
| 585 | CODEC_PIXFMTS(AV_PIX_FMT_VAAPI), | ||
| 586 | .color_ranges = AVCOL_RANGE_MPEG, /* FIXME: implement tagging */ | ||
| 587 | .hw_configs = ff_vaapi_encode_hw_configs, | ||
| 588 | .p.wrapper_name = "vaapi", | ||
| 589 | }; | ||
| 590 |