dnxhddec.c 14.3 KB
Newer Older
Baptiste Coudurier's avatar
Baptiste Coudurier committed
1 2
/*
 * VC3/DNxHD decoder.
3
 * Copyright (c) 2007 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
4 5 6
 * Copyright (c) 2011 MirriAd Ltd
 *
 * 10 bit support added by MirriAd Ltd, Joseph Artsimovich <joseph@mirriad.com>
Baptiste Coudurier's avatar
Baptiste Coudurier committed
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

//#define TRACE
//#define DEBUG

28
#include "libavutil/imgutils.h"
Baptiste Coudurier's avatar
Baptiste Coudurier committed
29
#include "avcodec.h"
30
#include "get_bits.h"
Baptiste Coudurier's avatar
Baptiste Coudurier committed
31 32
#include "dnxhddata.h"
#include "dsputil.h"
33
#include "internal.h"
34
#include "thread.h"
Baptiste Coudurier's avatar
Baptiste Coudurier committed
35

36
typedef struct DNXHDContext {
Baptiste Coudurier's avatar
Baptiste Coudurier committed
37 38 39
    AVCodecContext *avctx;
    AVFrame picture;
    GetBitContext gb;
40
    int64_t cid;                        ///< compression id
Baptiste Coudurier's avatar
Baptiste Coudurier committed
41 42 43 44 45 46 47
    unsigned int width, height;
    unsigned int mb_width, mb_height;
    uint32_t mb_scan_index[68];         /* max for 1080p */
    int cur_field;                      ///< current interlaced field
    VLC ac_vlc, dc_vlc, run_vlc;
    int last_dc[3];
    DSPContext dsp;
Diego Biurrun's avatar
Diego Biurrun committed
48
    DECLARE_ALIGNED(16, int16_t, blocks)[8][64];
49
    ScanTable scantable;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
50
    const CIDEntry *cid_table;
51
    int bit_depth; // 8, 10 or 0 if not initialized at all.
Diego Biurrun's avatar
Diego Biurrun committed
52
    void (*decode_dct_block)(struct DNXHDContext *ctx, int16_t *block,
53
                             int n, int qscale);
54 55 56
    int last_qscale;
    int luma_scale[64];
    int chroma_scale[64];
Baptiste Coudurier's avatar
Baptiste Coudurier committed
57 58 59
} DNXHDContext;

#define DNXHD_VLC_BITS 9
60
#define DNXHD_DC_VLC_BITS 7
Baptiste Coudurier's avatar
Baptiste Coudurier committed
61

Diego Biurrun's avatar
Diego Biurrun committed
62 63
static void dnxhd_decode_dct_block_8(DNXHDContext *ctx, int16_t *block, int n, int qscale);
static void dnxhd_decode_dct_block_10(DNXHDContext *ctx, int16_t *block, int n, int qscale);
64

65
static av_cold int dnxhd_decode_init(AVCodecContext *avctx)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
66 67 68 69 70
{
    DNXHDContext *ctx = avctx->priv_data;

    ctx->avctx = avctx;
    avctx->coded_frame = &ctx->picture;
71
    avcodec_get_frame_defaults(&ctx->picture);
72
    ctx->picture.type = AV_PICTURE_TYPE_I;
73
    ctx->picture.key_frame = 1;
74
    ctx->cid = -1;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
75 76 77
    return 0;
}

78
static int dnxhd_init_vlc(DNXHDContext *ctx, uint32_t cid)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
79
{
80
    if (cid != ctx->cid) {
Baptiste Coudurier's avatar
Baptiste Coudurier committed
81 82
        int index;

83
        if ((index = ff_dnxhd_get_cid_table(cid)) < 0) {
Baptiste Coudurier's avatar
Baptiste Coudurier committed
84 85 86
            av_log(ctx->avctx, AV_LOG_ERROR, "unsupported cid %d\n", cid);
            return -1;
        }
87 88 89 90
        if (ff_dnxhd_cid_table[index].bit_depth != ctx->bit_depth) {
            av_log(ctx->avctx, AV_LOG_ERROR, "bit depth mismatches %d %d\n", ff_dnxhd_cid_table[index].bit_depth, ctx->bit_depth);
            return AVERROR_INVALIDDATA;
        }
91
        ctx->cid_table = &ff_dnxhd_cid_table[index];
92

93 94 95
        ff_free_vlc(&ctx->ac_vlc);
        ff_free_vlc(&ctx->dc_vlc);
        ff_free_vlc(&ctx->run_vlc);
96

Baptiste Coudurier's avatar
Baptiste Coudurier committed
97
        init_vlc(&ctx->ac_vlc, DNXHD_VLC_BITS, 257,
98 99
                 ctx->cid_table->ac_bits, 1, 1,
                 ctx->cid_table->ac_codes, 2, 2, 0);
100
        init_vlc(&ctx->dc_vlc, DNXHD_DC_VLC_BITS, ctx->bit_depth + 4,
101 102
                 ctx->cid_table->dc_bits, 1, 1,
                 ctx->cid_table->dc_codes, 1, 1, 0);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
103
        init_vlc(&ctx->run_vlc, DNXHD_VLC_BITS, 62,
104 105
                 ctx->cid_table->run_bits, 1, 1,
                 ctx->cid_table->run_codes, 2, 2, 0);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
106 107

        ff_init_scantable(ctx->dsp.idct_permutation, &ctx->scantable, ff_zigzag_direct);
108
        ctx->cid = cid;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
109 110 111 112
    }
    return 0;
}

Michael Niedermayer's avatar
Michael Niedermayer committed
113
static int dnxhd_decode_header(DNXHDContext *ctx, const uint8_t *buf, int buf_size, int first_field)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
114 115
{
    static const uint8_t header_prefix[] = { 0x00, 0x00, 0x02, 0x80, 0x01 };
116
    int i, cid;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
117 118 119 120 121 122 123 124

    if (buf_size < 0x280)
        return -1;

    if (memcmp(buf, header_prefix, 5)) {
        av_log(ctx->avctx, AV_LOG_ERROR, "error in header\n");
        return -1;
    }
125 126
    if (buf[5] & 2) { /* interlaced */
        ctx->cur_field = buf[5] & 1;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
127
        ctx->picture.interlaced_frame = 1;
128
        ctx->picture.top_field_first = first_field ^ ctx->cur_field;
129
        av_log(ctx->avctx, AV_LOG_DEBUG, "interlaced %d, cur field %d\n", buf[5] & 3, ctx->cur_field);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
130 131 132 133 134
    }

    ctx->height = AV_RB16(buf + 0x18);
    ctx->width  = AV_RB16(buf + 0x1a);

135
    av_dlog(ctx->avctx, "width %d, height %d\n", ctx->width, ctx->height);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
136

137
    if (buf[0x21] & 0x40) {
138
        ctx->avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
139 140
        ctx->avctx->bits_per_raw_sample = 10;
        if (ctx->bit_depth != 10) {
141
            ff_dsputil_init(&ctx->dsp, ctx->avctx);
142
            ctx->bit_depth = 10;
143
            ctx->decode_dct_block = dnxhd_decode_dct_block_10;
144 145
        }
    } else {
146
        ctx->avctx->pix_fmt = AV_PIX_FMT_YUV422P;
147 148
        ctx->avctx->bits_per_raw_sample = 8;
        if (ctx->bit_depth != 8) {
149
            ff_dsputil_init(&ctx->dsp, ctx->avctx);
150
            ctx->bit_depth = 8;
151
            ctx->decode_dct_block = dnxhd_decode_dct_block_8;
152
        }
Baptiste Coudurier's avatar
Baptiste Coudurier committed
153 154
    }

155 156
    cid = AV_RB32(buf + 0x28);
    av_dlog(ctx->avctx, "compression id %d\n", cid);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
157

158
    if (dnxhd_init_vlc(ctx, cid) < 0)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
159 160
        return -1;

161
    if (buf_size < ctx->cid_table->coding_unit_size) {
Baptiste Coudurier's avatar
Baptiste Coudurier committed
162 163 164 165 166 167 168
        av_log(ctx->avctx, AV_LOG_ERROR, "incorrect frame size\n");
        return -1;
    }

    ctx->mb_width = ctx->width>>4;
    ctx->mb_height = buf[0x16d];

169
    av_dlog(ctx->avctx, "mb width %d, mb height %d\n", ctx->mb_width, ctx->mb_height);
170 171 172 173 174 175 176

    if ((ctx->height+15)>>4 == ctx->mb_height && ctx->picture.interlaced_frame)
        ctx->height <<= 1;

    if (ctx->mb_height > 68 ||
        (ctx->mb_height<<ctx->picture.interlaced_frame) > (ctx->height+15)>>4) {
        av_log(ctx->avctx, AV_LOG_ERROR, "mb height too big: %d\n", ctx->mb_height);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
177 178 179 180 181
        return -1;
    }

    for (i = 0; i < ctx->mb_height; i++) {
        ctx->mb_scan_index[i] = AV_RB32(buf + 0x170 + (i<<2));
182
        av_dlog(ctx->avctx, "mb scan index %d\n", ctx->mb_scan_index[i]);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
183 184 185 186 187 188 189 190 191
        if (buf_size < ctx->mb_scan_index[i] + 0x280) {
            av_log(ctx->avctx, AV_LOG_ERROR, "invalid mb scan index\n");
            return -1;
        }
    }

    return 0;
}

192
static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
Diego Biurrun's avatar
Diego Biurrun committed
193
                                                    int16_t *block, int n,
194 195 196 197
                                                    int qscale,
                                                    int index_bits,
                                                    int level_bias,
                                                    int level_shift)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
198
{
199
    int i, j, index1, index2, len, flags;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
200
    int level, component, sign;
201
    const int *scale;
202
    const uint8_t *weight_matrix;
203
    const uint8_t *ac_level = ctx->cid_table->ac_level;
204
    const uint8_t *ac_flags = ctx->cid_table->ac_flags;
205
    const int eob_index     = ctx->cid_table->eob_index;
206
    OPEN_READER(bs, &ctx->gb);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
207 208 209

    if (n&2) {
        component = 1 + (n&1);
210
        scale = ctx->chroma_scale;
211
        weight_matrix = ctx->cid_table->chroma_weight;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
212 213
    } else {
        component = 0;
214
        scale = ctx->luma_scale;
215
        weight_matrix = ctx->cid_table->luma_weight;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
216 217
    }

218 219 220 221 222 223 224 225 226
    UPDATE_CACHE(bs, &ctx->gb);
    GET_VLC(len, bs, &ctx->gb, ctx->dc_vlc.table, DNXHD_DC_VLC_BITS, 1);
    if (len) {
        level = GET_CACHE(bs, &ctx->gb);
        LAST_SKIP_BITS(bs, &ctx->gb, len);
        sign  = ~level >> 31;
        level = (NEG_USR32(sign ^ level, len) ^ sign) - sign;
        ctx->last_dc[component] += level;
    }
Baptiste Coudurier's avatar
Baptiste Coudurier committed
227
    block[0] = ctx->last_dc[component];
228

229
    i = 0;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
230

231 232 233 234
    UPDATE_CACHE(bs, &ctx->gb);
    GET_VLC(index1, bs, &ctx->gb, ctx->ac_vlc.table,
            DNXHD_VLC_BITS, 2);

235 236
    while (index1 != eob_index) {
        level = ac_level[index1];
237
        flags = ac_flags[index1];
Baptiste Coudurier's avatar
Baptiste Coudurier committed
238

239 240 241
        sign = SHOW_SBITS(bs, &ctx->gb, 1);
        SKIP_BITS(bs, &ctx->gb, 1);

242
        if (flags & 1) {
243
            level += SHOW_UBITS(bs, &ctx->gb, index_bits) << 7;
244
            SKIP_BITS(bs, &ctx->gb, index_bits);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
245 246
        }

247
        if (flags & 2) {
248 249 250
            UPDATE_CACHE(bs, &ctx->gb);
            GET_VLC(index2, bs, &ctx->gb, ctx->run_vlc.table,
                    DNXHD_VLC_BITS, 2);
251
            i += ctx->cid_table->run[index2];
Baptiste Coudurier's avatar
Baptiste Coudurier committed
252 253
        }

254
        if (++i > 63) {
255
            av_log(ctx->avctx, AV_LOG_ERROR, "ac tex damaged %d, %d\n", n, i);
256
            break;
257 258
        }

Baptiste Coudurier's avatar
Baptiste Coudurier committed
259
        j = ctx->scantable.permutated[i];
260
        level *= scale[i];
261
        if (level_bias < 32 || weight_matrix[i] != level_bias)
262 263 264
            level += level_bias;
        level >>= level_shift;

Baptiste Coudurier's avatar
Baptiste Coudurier committed
265
        block[j] = (level^sign) - sign;
266 267 268 269

        UPDATE_CACHE(bs, &ctx->gb);
        GET_VLC(index1, bs, &ctx->gb, ctx->ac_vlc.table,
                DNXHD_VLC_BITS, 2);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
270
    }
271 272 273 274

    CLOSE_READER(bs, &ctx->gb);
}

Diego Biurrun's avatar
Diego Biurrun committed
275
static void dnxhd_decode_dct_block_8(DNXHDContext *ctx, int16_t *block,
276 277 278 279 280
                                     int n, int qscale)
{
    dnxhd_decode_dct_block(ctx, block, n, qscale, 4, 32, 6);
}

Diego Biurrun's avatar
Diego Biurrun committed
281
static void dnxhd_decode_dct_block_10(DNXHDContext *ctx, int16_t *block,
282 283 284
                                      int n, int qscale)
{
    dnxhd_decode_dct_block(ctx, block, n, qscale, 6, 8, 4);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
285 286 287 288
}

static int dnxhd_decode_macroblock(DNXHDContext *ctx, int x, int y)
{
289
    int shift1 = ctx->bit_depth == 10;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
290 291 292
    int dct_linesize_luma   = ctx->picture.linesize[0];
    int dct_linesize_chroma = ctx->picture.linesize[1];
    uint8_t *dest_y, *dest_u, *dest_v;
293
    int dct_y_offset, dct_x_offset;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
294 295 296 297 298
    int qscale, i;

    qscale = get_bits(&ctx->gb, 11);
    skip_bits1(&ctx->gb);

299 300 301 302 303 304 305 306
    if (qscale != ctx->last_qscale) {
        for (i = 0; i < 64; i++) {
            ctx->luma_scale[i]   = qscale * ctx->cid_table->luma_weight[i];
            ctx->chroma_scale[i] = qscale * ctx->cid_table->chroma_weight[i];
        }
        ctx->last_qscale = qscale;
    }

Baptiste Coudurier's avatar
Baptiste Coudurier committed
307
    for (i = 0; i < 8; i++) {
Baptiste Coudurier's avatar
Baptiste Coudurier committed
308
        ctx->dsp.clear_block(ctx->blocks[i]);
309
        ctx->decode_dct_block(ctx, ctx->blocks[i], i, qscale);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
310
    }
311 312 313 314 315 316

    if (ctx->picture.interlaced_frame) {
        dct_linesize_luma   <<= 1;
        dct_linesize_chroma <<= 1;
    }

317 318 319
    dest_y = ctx->picture.data[0] + ((y * dct_linesize_luma)   << 4) + (x << (4 + shift1));
    dest_u = ctx->picture.data[1] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1));
    dest_v = ctx->picture.data[2] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1));
Baptiste Coudurier's avatar
Baptiste Coudurier committed
320

321 322 323 324 325 326
    if (ctx->cur_field) {
        dest_y += ctx->picture.linesize[0];
        dest_u += ctx->picture.linesize[1];
        dest_v += ctx->picture.linesize[2];
    }

327 328 329 330 331 332
    dct_y_offset = dct_linesize_luma << 3;
    dct_x_offset = 8 << shift1;
    ctx->dsp.idct_put(dest_y,                               dct_linesize_luma, ctx->blocks[0]);
    ctx->dsp.idct_put(dest_y + dct_x_offset,                dct_linesize_luma, ctx->blocks[1]);
    ctx->dsp.idct_put(dest_y + dct_y_offset,                dct_linesize_luma, ctx->blocks[4]);
    ctx->dsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[5]);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
333 334

    if (!(ctx->avctx->flags & CODEC_FLAG_GRAY)) {
335 336 337 338 339
        dct_y_offset = dct_linesize_chroma << 3;
        ctx->dsp.idct_put(dest_u,                dct_linesize_chroma, ctx->blocks[2]);
        ctx->dsp.idct_put(dest_v,                dct_linesize_chroma, ctx->blocks[3]);
        ctx->dsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, ctx->blocks[6]);
        ctx->dsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, ctx->blocks[7]);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
340 341 342 343 344
    }

    return 0;
}

Michael Niedermayer's avatar
Michael Niedermayer committed
345
static int dnxhd_decode_macroblocks(DNXHDContext *ctx, const uint8_t *buf, int buf_size)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
346 347 348
{
    int x, y;
    for (y = 0; y < ctx->mb_height; y++) {
349 350
        ctx->last_dc[0] =
        ctx->last_dc[1] =
351
        ctx->last_dc[2] = 1 << (ctx->bit_depth + 2); // for levels +2^(bitdepth-1)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
352 353 354 355 356 357 358 359 360 361
        init_get_bits(&ctx->gb, buf + ctx->mb_scan_index[y], (buf_size - ctx->mb_scan_index[y]) << 3);
        for (x = 0; x < ctx->mb_width; x++) {
            //START_TIMER;
            dnxhd_decode_macroblock(ctx, x, y);
            //STOP_TIMER("decode macroblock");
        }
    }
    return 0;
}

362
static int dnxhd_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
363
                              AVPacket *avpkt)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
364
{
365 366
    const uint8_t *buf = avpkt->data;
    int buf_size = avpkt->size;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
367 368
    DNXHDContext *ctx = avctx->priv_data;
    AVFrame *picture = data;
369
    int first_field = 1;
370
    int ret;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
371

372
    av_dlog(avctx, "frame size %d\n", buf_size);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
373

374 375
 decode_coding_unit:
    if (dnxhd_decode_header(ctx, buf, buf_size, first_field) < 0)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
376 377
        return -1;

378 379 380 381 382 383 384
    if ((avctx->width || avctx->height) &&
        (ctx->width != avctx->width || ctx->height != avctx->height)) {
        av_log(avctx, AV_LOG_WARNING, "frame size changed: %dx%d -> %dx%d\n",
               avctx->width, avctx->height, ctx->width, ctx->height);
        first_field = 1;
    }

385
    if (av_image_check_size(ctx->width, ctx->height, 0, avctx))
Baptiste Coudurier's avatar
Baptiste Coudurier committed
386 387 388
        return -1;
    avcodec_set_dimensions(avctx, ctx->width, ctx->height);

389
    if (first_field) {
Baptiste Coudurier's avatar
Baptiste Coudurier committed
390
        if (ctx->picture.data[0])
391 392
            ff_thread_release_buffer(avctx, &ctx->picture);
        if ((ret = ff_thread_get_buffer(avctx, &ctx->picture)) < 0) {
Baptiste Coudurier's avatar
Baptiste Coudurier committed
393
            av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
394
            return ret;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
395
        }
396
    }
Baptiste Coudurier's avatar
Baptiste Coudurier committed
397 398 399

    dnxhd_decode_macroblocks(ctx, buf + 0x280, buf_size - 0x280);

400 401 402 403 404 405 406
    if (first_field && ctx->picture.interlaced_frame) {
        buf      += ctx->cid_table->coding_unit_size;
        buf_size -= ctx->cid_table->coding_unit_size;
        first_field = 0;
        goto decode_coding_unit;
    }

Baptiste Coudurier's avatar
Baptiste Coudurier committed
407
    *picture = ctx->picture;
408
    *got_frame = 1;
409
    return buf_size;
Baptiste Coudurier's avatar
Baptiste Coudurier committed
410 411
}

412
static av_cold int dnxhd_decode_close(AVCodecContext *avctx)
Baptiste Coudurier's avatar
Baptiste Coudurier committed
413 414 415
{
    DNXHDContext *ctx = avctx->priv_data;

Baptiste Coudurier's avatar
Baptiste Coudurier committed
416
    if (ctx->picture.data[0])
417
        ff_thread_release_buffer(avctx, &ctx->picture);
418 419 420
    ff_free_vlc(&ctx->ac_vlc);
    ff_free_vlc(&ctx->dc_vlc);
    ff_free_vlc(&ctx->run_vlc);
Baptiste Coudurier's avatar
Baptiste Coudurier committed
421 422 423
    return 0;
}

424
AVCodec ff_dnxhd_decoder = {
425 426
    .name           = "dnxhd",
    .type           = AVMEDIA_TYPE_VIDEO,
427
    .id             = AV_CODEC_ID_DNXHD,
428 429 430 431
    .priv_data_size = sizeof(DNXHDContext),
    .init           = dnxhd_decode_init,
    .close          = dnxhd_decode_close,
    .decode         = dnxhd_decode_frame,
432
    .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
433
    .long_name      = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
Baptiste Coudurier's avatar
Baptiste Coudurier committed
434
};