GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/cfhd.c Lines: 448 955 46.9 %
Date: 2020-09-21 17:35:45 Branches: 276 618 44.7 %

Line Branch Exec Source
1
/*
2
 * Copyright (c) 2015-2016 Kieran Kunhya <kieran@kunhya.com>
3
 *
4
 * This file is part of FFmpeg.
5
 *
6
 * FFmpeg is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU Lesser General Public
8
 * License as published by the Free Software Foundation; either
9
 * version 2.1 of the License, or (at your option) any later version.
10
 *
11
 * FFmpeg is distributed in the hope that it will be useful,
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
 * Lesser General Public License for more details.
15
 *
16
 * You should have received a copy of the GNU Lesser General Public
17
 * License along with FFmpeg; if not, write to the Free Software
18
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
 */
20
21
/**
22
 * @file
23
 * Cineform HD video decoder
24
 */
25
26
#include "libavutil/attributes.h"
27
#include "libavutil/buffer.h"
28
#include "libavutil/common.h"
29
#include "libavutil/imgutils.h"
30
#include "libavutil/intreadwrite.h"
31
#include "libavutil/opt.h"
32
33
#include "avcodec.h"
34
#include "bytestream.h"
35
#include "get_bits.h"
36
#include "internal.h"
37
#include "thread.h"
38
#include "cfhd.h"
39
40
#define ALPHA_COMPAND_DC_OFFSET 256
41
#define ALPHA_COMPAND_GAIN 9400
42
43
6
static av_cold int cfhd_init(AVCodecContext *avctx)
44
{
45
6
    CFHDContext *s = avctx->priv_data;
46
47
6
    s->avctx                   = avctx;
48
49
390
    for (int i = 0; i < 64; i++) {
50
384
        int val = i;
51
52
384
        if (val >= 40) {
53
144
            if (val >= 54) {
54
60
                val -= 54;
55
60
                val <<= 2;
56
60
                val += 54;
57
            }
58
59
144
            val -= 40;
60
144
            val <<= 2;
61
144
            val += 40;
62
        }
63
64
384
        s->lut[0][i] = val;
65
    }
66
67
1542
    for (int i = 0; i < 256; i++)
68
1536
        s->lut[1][i] = i + ((768LL * i * i * i) / (256 * 256 * 256));
69
70
6
    return ff_cfhd_init_vlcs(s);
71
}
72
73
99
static void init_plane_defaults(CFHDContext *s)
74
{
75
99
    s->subband_num        = 0;
76
99
    s->level              = 0;
77
99
    s->subband_num_actual = 0;
78
99
}
79
80
33
static void init_peak_table_defaults(CFHDContext *s)
81
{
82
33
    s->peak.level  = 0;
83
33
    s->peak.offset = 0;
84
33
    memset(&s->peak.base, 0, sizeof(s->peak.base));
85
33
}
86
87
33
static void init_frame_defaults(CFHDContext *s)
88
{
89
33
    s->coded_width       = 0;
90
33
    s->coded_height      = 0;
91
33
    s->coded_format      = AV_PIX_FMT_YUV422P10;
92
33
    s->cropped_height    = 0;
93
33
    s->bpc               = 10;
94
33
    s->channel_cnt       = 3;
95
33
    s->subband_cnt       = SUBBAND_COUNT;
96
33
    s->channel_num       = 0;
97
33
    s->lowpass_precision = 16;
98
33
    s->quantisation      = 1;
99
33
    s->codebook          = 0;
100
33
    s->difference_coding = 0;
101
33
    s->frame_type        = 0;
102
33
    s->sample_type       = 0;
103
33
    init_plane_defaults(s);
104
33
    init_peak_table_defaults(s);
105
33
}
106
107
3522977
static inline int dequant_and_decompand(CFHDContext *s, int level, int quantisation, int codebook)
108
{
109

3522977
    if (codebook == 0 || codebook == 1) {
110
3522977
        return s->lut[codebook][abs(level)] * FFSIGN(level) * quantisation;
111
    } else
112
        return level * quantisation;
113
}
114
115
static inline void difference_coding(int16_t *band, int width, int height)
116
{
117
118
    int i,j;
119
    for (i = 0; i < height; i++) {
120
        for (j = 1; j < width; j++) {
121
          band[j] += band[j-1];
122
        }
123
        band += width;
124
    }
125
}
126
127
static inline void peak_table(int16_t *band, Peak *peak, int length)
128
{
129
    int i;
130
    for (i = 0; i < length; i++)
131
        if (abs(band[i]) > peak->level)
132
            band[i] = bytestream2_get_le16(&peak->base);
133
}
134
135
static inline void process_alpha(int16_t *alpha, int width)
136
{
137
    int i, channel;
138
    for (i = 0; i < width; i++) {
139
        channel   = alpha[i];
140
        channel  -= ALPHA_COMPAND_DC_OFFSET;
141
        channel <<= 3;
142
        channel  *= ALPHA_COMPAND_GAIN;
143
        channel >>= 16;
144
        channel   = av_clip_uintp2(channel, 12);
145
        alpha[i]  = channel;
146
    }
147
}
148
149
static inline void process_bayer(AVFrame *frame, int bpc)
150
{
151
    const int linesize = frame->linesize[0];
152
    uint16_t *r = (uint16_t *)frame->data[0];
153
    uint16_t *g1 = (uint16_t *)(frame->data[0] + 2);
154
    uint16_t *g2 = (uint16_t *)(frame->data[0] + frame->linesize[0]);
155
    uint16_t *b = (uint16_t *)(frame->data[0] + frame->linesize[0] + 2);
156
    const int mid = 1 << (bpc - 1);
157
    const int factor = 1 << (16 - bpc);
158
159
    for (int y = 0; y < frame->height >> 1; y++) {
160
        for (int x = 0; x < frame->width; x += 2) {
161
            int R, G1, G2, B;
162
            int g, rg, bg, gd;
163
164
            g  = r[x];
165
            rg = g1[x];
166
            bg = g2[x];
167
            gd = b[x];
168
            gd -= mid;
169
170
            R  = (rg - mid) * 2 + g;
171
            G1 = g + gd;
172
            G2 = g - gd;
173
            B  = (bg - mid) * 2 + g;
174
175
            R  = av_clip_uintp2(R  * factor, 16);
176
            G1 = av_clip_uintp2(G1 * factor, 16);
177
            G2 = av_clip_uintp2(G2 * factor, 16);
178
            B  = av_clip_uintp2(B  * factor, 16);
179
180
            r[x]  = R;
181
            g1[x] = G1;
182
            g2[x] = G2;
183
            b[x]  = B;
184
        }
185
186
        r  += linesize;
187
        g1 += linesize;
188
        g2 += linesize;
189
        b  += linesize;
190
    }
191
}
192
193
static inline void interlaced_vertical_filter(int16_t *output, int16_t *low, int16_t *high,
194
                         int width, int linesize, int plane)
195
{
196
    int i;
197
    int16_t even, odd;
198
    for (i = 0; i < width; i++) {
199
        even = (low[i] - high[i])/2;
200
        odd  = (low[i] + high[i])/2;
201
        output[i]            = av_clip_uintp2(even, 10);
202
        output[i + linesize] = av_clip_uintp2(odd, 10);
203
    }
204
}
205
206
static inline void inverse_temporal_filter(int16_t *low, int16_t *high, int width)
207
{
208
    for (int i = 0; i < width; i++) {
209
        int even = (low[i] - high[i]) / 2;
210
        int odd  = (low[i] + high[i]) / 2;
211
212
        low[i]  = even;
213
        high[i] = odd;
214
    }
215
}
216
217
12
static void free_buffers(CFHDContext *s)
218
{
219
    int i, j;
220
221
60
    for (i = 0; i < FF_ARRAY_ELEMS(s->plane); i++) {
222
48
        av_freep(&s->plane[i].idwt_buf);
223
48
        av_freep(&s->plane[i].idwt_tmp);
224
48
        s->plane[i].idwt_size = 0;
225
226
864
        for (j = 0; j < SUBBAND_COUNT_3D; j++)
227
816
            s->plane[i].subband[j] = NULL;
228
229
528
        for (j = 0; j < 10; j++)
230
480
            s->plane[i].l_h[j] = NULL;
231
    }
232
12
    s->a_height = 0;
233
12
    s->a_width  = 0;
234
12
}
235
236
6
static int alloc_buffers(AVCodecContext *avctx)
237
{
238
6
    CFHDContext *s = avctx->priv_data;
239
6
    int i, j, ret, planes, bayer = 0;
240
    int chroma_x_shift, chroma_y_shift;
241
    unsigned k;
242
243
6
    if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0)
244
        return ret;
245
6
    avctx->pix_fmt = s->coded_format;
246
247
6
    ff_cfhddsp_init(&s->dsp, s->bpc, avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
248
249
6
    if ((ret = av_pix_fmt_get_chroma_sub_sample(s->coded_format,
250
                                                &chroma_x_shift,
251
                                                &chroma_y_shift)) < 0)
252
        return ret;
253
6
    planes = av_pix_fmt_count_planes(s->coded_format);
254
6
    if (s->coded_format == AV_PIX_FMT_BAYER_RGGB16) {
255
        planes = 4;
256
        chroma_x_shift = 1;
257
        chroma_y_shift = 1;
258
        bayer = 1;
259
    }
260
261
24
    for (i = 0; i < planes; i++) {
262
        int w8, h8, w4, h4, w2, h2;
263

18
        int width  = (i || bayer) ? s->coded_width  >> chroma_x_shift : s->coded_width;
264

18
        int height = (i || bayer) ? s->coded_height >> chroma_y_shift : s->coded_height;
265
18
        ptrdiff_t stride = (FFALIGN(width  / 8, 8) + 64) * 8;
266
267

18
        if (chroma_y_shift && !bayer)
268
            height = FFALIGN(height / 8, 2) * 8;
269
18
        s->plane[i].width  = width;
270
18
        s->plane[i].height = height;
271
18
        s->plane[i].stride = stride;
272
273
18
        w8 = FFALIGN(s->plane[i].width  / 8, 8) + 64;
274
18
        h8 = FFALIGN(height, 8) / 8;
275
18
        w4 = w8 * 2;
276
18
        h4 = h8 * 2;
277
18
        w2 = w4 * 2;
278
18
        h2 = h4 * 2;
279
280
18
        if (s->transform_type == 0) {
281
18
            s->plane[i].idwt_size = FFALIGN(height, 8) * stride;
282
18
            s->plane[i].idwt_buf =
283
18
                av_mallocz_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
284
18
            s->plane[i].idwt_tmp =
285
18
                av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
286
        } else {
287
            s->plane[i].idwt_size = FFALIGN(height, 8) * stride * 2;
288
            s->plane[i].idwt_buf =
289
                av_mallocz_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_buf));
290
            s->plane[i].idwt_tmp =
291
                av_malloc_array(s->plane[i].idwt_size, sizeof(*s->plane[i].idwt_tmp));
292
        }
293
294

18
        if (!s->plane[i].idwt_buf || !s->plane[i].idwt_tmp)
295
            return AVERROR(ENOMEM);
296
297
18
        s->plane[i].subband[0] = s->plane[i].idwt_buf;
298
18
        s->plane[i].subband[1] = s->plane[i].idwt_buf + 2 * w8 * h8;
299
18
        s->plane[i].subband[2] = s->plane[i].idwt_buf + 1 * w8 * h8;
300
18
        s->plane[i].subband[3] = s->plane[i].idwt_buf + 3 * w8 * h8;
301
18
        s->plane[i].subband[4] = s->plane[i].idwt_buf + 2 * w4 * h4;
302
18
        s->plane[i].subband[5] = s->plane[i].idwt_buf + 1 * w4 * h4;
303
18
        s->plane[i].subband[6] = s->plane[i].idwt_buf + 3 * w4 * h4;
304
18
        if (s->transform_type == 0) {
305
18
            s->plane[i].subband[7] = s->plane[i].idwt_buf + 2 * w2 * h2;
306
18
            s->plane[i].subband[8] = s->plane[i].idwt_buf + 1 * w2 * h2;
307
18
            s->plane[i].subband[9] = s->plane[i].idwt_buf + 3 * w2 * h2;
308
        } else {
309
            int16_t *frame2 =
310
            s->plane[i].subband[7]  = s->plane[i].idwt_buf + 4 * w2 * h2;
311
            s->plane[i].subband[8]  = frame2 + 2 * w4 * h4;
312
            s->plane[i].subband[9]  = frame2 + 1 * w4 * h4;
313
            s->plane[i].subband[10] = frame2 + 3 * w4 * h4;
314
            s->plane[i].subband[11] = frame2 + 2 * w2 * h2;
315
            s->plane[i].subband[12] = frame2 + 1 * w2 * h2;
316
            s->plane[i].subband[13] = frame2 + 3 * w2 * h2;
317
            s->plane[i].subband[14] = s->plane[i].idwt_buf + 2 * w2 * h2;
318
            s->plane[i].subband[15] = s->plane[i].idwt_buf + 1 * w2 * h2;
319
            s->plane[i].subband[16] = s->plane[i].idwt_buf + 3 * w2 * h2;
320
        }
321
322
18
        if (s->transform_type == 0) {
323
72
            for (j = 0; j < DWT_LEVELS; j++) {
324
270
                for (k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
325
216
                    s->plane[i].band[j][k].a_width  = w8 << j;
326
216
                    s->plane[i].band[j][k].a_height = h8 << j;
327
                }
328
            }
329
        } else {
330
            for (j = 0; j < DWT_LEVELS_3D; j++) {
331
                int t = j < 1 ? 0 : (j < 3 ? 1 : 2);
332
333
                for (k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
334
                    s->plane[i].band[j][k].a_width  = w8 << t;
335
                    s->plane[i].band[j][k].a_height = h8 << t;
336
                }
337
            }
338
        }
339
340
        /* ll2 and ll1 commented out because they are done in-place */
341
18
        s->plane[i].l_h[0] = s->plane[i].idwt_tmp;
342
18
        s->plane[i].l_h[1] = s->plane[i].idwt_tmp + 2 * w8 * h8;
343
        // s->plane[i].l_h[2] = ll2;
344
18
        s->plane[i].l_h[3] = s->plane[i].idwt_tmp;
345
18
        s->plane[i].l_h[4] = s->plane[i].idwt_tmp + 2 * w4 * h4;
346
        // s->plane[i].l_h[5] = ll1;
347
18
        s->plane[i].l_h[6] = s->plane[i].idwt_tmp;
348
18
        s->plane[i].l_h[7] = s->plane[i].idwt_tmp + 2 * w2 * h2;
349
18
        if (s->transform_type != 0) {
350
            int16_t *frame2 = s->plane[i].idwt_tmp + 4 * w2 * h2;
351
352
            s->plane[i].l_h[8] = frame2;
353
            s->plane[i].l_h[9] = frame2 + 2 * w2 * h2;
354
        }
355
    }
356
357
6
    s->a_height = s->coded_height;
358
6
    s->a_width  = s->coded_width;
359
6
    s->a_format = s->coded_format;
360
361
6
    return 0;
362
}
363
364
33
static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
365
                       AVPacket *avpkt)
366
{
367
33
    CFHDContext *s = avctx->priv_data;
368
33
    CFHDDSPContext *dsp = &s->dsp;
369
    GetByteContext gb;
370
33
    ThreadFrame frame = { .f = data };
371
33
    AVFrame *pic = data;
372
33
    int ret = 0, i, j, plane, got_buffer = 0;
373
    int16_t *coeff_data;
374
375
33
    init_frame_defaults(s);
376
33
    s->planes = av_pix_fmt_count_planes(s->coded_format);
377
378
33
    bytestream2_init(&gb, avpkt->data, avpkt->size);
379
380
17226
    while (bytestream2_get_bytes_left(&gb) >= 4) {
381
        /* Bit weird but implement the tag parsing as the spec says */
382
17193
        uint16_t tagu   = bytestream2_get_be16(&gb);
383
17193
        int16_t tag     = (int16_t)tagu;
384
17193
        int8_t tag8     = (int8_t)(tagu >> 8);
385
17193
        uint16_t abstag = abs(tag);
386
17193
        int8_t abs_tag8 = abs(tag8);
387
17193
        uint16_t data   = bytestream2_get_be16(&gb);
388

17193
        if (abs_tag8 >= 0x60 && abs_tag8 <= 0x6f) {
389
            av_log(avctx, AV_LOG_DEBUG, "large len %x\n", ((tagu & 0xff) << 16) | data);
390
17193
        } else if (tag == SampleFlags) {
391
33
            av_log(avctx, AV_LOG_DEBUG, "Progressive? %"PRIu16"\n", data);
392
33
            s->progressive = data & 0x0001;
393
17160
        } else if (tag == FrameType) {
394
            s->frame_type = data;
395
            av_log(avctx, AV_LOG_DEBUG, "Frame type %"PRIu16"\n", data);
396
17160
        } else if (abstag == VersionMajor) {
397
            av_log(avctx, AV_LOG_DEBUG, "Version major %"PRIu16"\n", data);
398
17160
        } else if (abstag == VersionMinor) {
399
            av_log(avctx, AV_LOG_DEBUG, "Version minor %"PRIu16"\n", data);
400
17160
        } else if (abstag == VersionRevision) {
401
            av_log(avctx, AV_LOG_DEBUG, "Version revision %"PRIu16"\n", data);
402
17160
        } else if (abstag == VersionEdit) {
403
            av_log(avctx, AV_LOG_DEBUG, "Version edit %"PRIu16"\n", data);
404
17160
        } else if (abstag == Version) {
405
33
            av_log(avctx, AV_LOG_DEBUG, "Version %"PRIu16"\n", data);
406
17127
        } else if (tag == ImageWidth) {
407
33
            av_log(avctx, AV_LOG_DEBUG, "Width %"PRIu16"\n", data);
408
33
            s->coded_width = data;
409
17094
        } else if (tag == ImageHeight) {
410
33
            av_log(avctx, AV_LOG_DEBUG, "Height %"PRIu16"\n", data);
411
33
            s->coded_height = data;
412
17061
        } else if (tag == ChannelCount) {
413
33
            av_log(avctx, AV_LOG_DEBUG, "Channel Count: %"PRIu16"\n", data);
414
33
            s->channel_cnt = data;
415
33
            if (data > 4) {
416
                av_log(avctx, AV_LOG_ERROR, "Channel Count of %"PRIu16" is unsupported\n", data);
417
                ret = AVERROR_PATCHWELCOME;
418
                break;
419
            }
420
17028
        } else if (tag == SubbandCount) {
421
33
            av_log(avctx, AV_LOG_DEBUG, "Subband Count: %"PRIu16"\n", data);
422

33
            if (data != SUBBAND_COUNT && data != SUBBAND_COUNT_3D) {
423
                av_log(avctx, AV_LOG_ERROR, "Subband Count of %"PRIu16" is unsupported\n", data);
424
                ret = AVERROR_PATCHWELCOME;
425
                break;
426
            }
427
16995
        } else if (tag == ChannelNumber) {
428
66
            s->channel_num = data;
429
66
            av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data);
430
66
            if (s->channel_num >= s->planes) {
431
                av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n");
432
                ret = AVERROR(EINVAL);
433
                break;
434
            }
435
66
            init_plane_defaults(s);
436
16929
        } else if (tag == SubbandNumber) {
437

891
            if (s->subband_num != 0 && data == 1)  // hack
438
198
                s->level++;
439
891
            av_log(avctx, AV_LOG_DEBUG, "Subband number %"PRIu16"\n", data);
440
891
            s->subband_num = data;
441

891
            if ((s->transform_type == 0 && s->level >= DWT_LEVELS) ||
442

891
                (s->transform_type == 2 && s->level >= DWT_LEVELS_3D)) {
443
                av_log(avctx, AV_LOG_ERROR, "Invalid level\n");
444
                ret = AVERROR(EINVAL);
445
                break;
446
            }
447
891
            if (s->subband_num > 3) {
448
                av_log(avctx, AV_LOG_ERROR, "Invalid subband number\n");
449
                ret = AVERROR(EINVAL);
450
                break;
451
            }
452
16038
        } else if (tag == SubbandBand) {
453
891
            av_log(avctx, AV_LOG_DEBUG, "Subband number actual %"PRIu16"\n", data);
454
891
            s->subband_num_actual = data;
455

891
            if ((s->transform_type == 0 && s->subband_num_actual >= SUBBAND_COUNT) ||
456

891
                (s->transform_type == 2 && s->subband_num_actual >= SUBBAND_COUNT_3D && s->subband_num_actual != 255)) {
457
                av_log(avctx, AV_LOG_ERROR, "Invalid subband number actual\n");
458
                ret = AVERROR(EINVAL);
459
                break;
460
            }
461
15147
        } else if (tag == LowpassPrecision)
462
99
            av_log(avctx, AV_LOG_DEBUG, "Lowpass precision bits: %"PRIu16"\n", data);
463
15048
        else if (tag == Quantization) {
464
891
            s->quantisation = data;
465
891
            av_log(avctx, AV_LOG_DEBUG, "Quantisation: %"PRIu16"\n", data);
466
14157
        } else if (tag == PrescaleTable) {
467
99
            for (i = 0; i < 8; i++)
468
88
                s->prescale_table[i] = (data >> (14 - i * 2)) & 0x3;
469
11
            av_log(avctx, AV_LOG_DEBUG, "Prescale table: %x\n", data);
470
14146
        } else if (tag == BandEncoding) {
471

891
            if (!data || data > 5) {
472
                av_log(avctx, AV_LOG_ERROR, "Invalid band encoding\n");
473
                ret = AVERROR(EINVAL);
474
                break;
475
            }
476
891
            s->band_encoding = data;
477
891
            av_log(avctx, AV_LOG_DEBUG, "Encode Method for Subband %d : %x\n", s->subband_num_actual, data);
478
13255
        } else if (tag == LowpassWidth) {
479
99
            av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data);
480
99
            s->plane[s->channel_num].band[0][0].width  = data;
481
99
            s->plane[s->channel_num].band[0][0].stride = data;
482
13156
        } else if (tag == LowpassHeight) {
483
99
            av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
484
99
            s->plane[s->channel_num].band[0][0].height = data;
485
13057
        } else if (tag == SampleType) {
486
99
            s->sample_type = data;
487
99
            av_log(avctx, AV_LOG_DEBUG, "Sample type? %"PRIu16"\n", data);
488
12958
        } else if (tag == TransformType) {
489
33
            if (data > 2) {
490
                av_log(avctx, AV_LOG_ERROR, "Invalid transform type\n");
491
                ret = AVERROR(EINVAL);
492
                break;
493
33
            } else if (data == 1) {
494
                av_log(avctx, AV_LOG_ERROR, "unsupported transform type\n");
495
                ret = AVERROR_PATCHWELCOME;
496
                break;
497
            }
498
33
            s->transform_type = data;
499
33
            av_log(avctx, AV_LOG_DEBUG, "Transform type %"PRIu16"\n", data);
500

12925
        } else if (abstag >= 0x4000 && abstag <= 0x40ff) {
501
66
            if (abstag == 0x4001)
502
                s->peak.level = 0;
503
66
            av_log(avctx, AV_LOG_DEBUG, "Small chunk length %d %s\n", data * 4, tag < 0 ? "optional" : "required");
504
66
            bytestream2_skipu(&gb, data * 4);
505
12859
        } else if (tag == FrameIndex) {
506
            av_log(avctx, AV_LOG_DEBUG, "Frame index %"PRIu16"\n", data);
507
            s->frame_index = data;
508
12859
        } else if (tag == SampleIndexTable) {
509
33
            av_log(avctx, AV_LOG_DEBUG, "Sample index table - skipping %i values\n", data);
510
33
            if (data > bytestream2_get_bytes_left(&gb) / 4) {
511
                av_log(avctx, AV_LOG_ERROR, "too many values (%d)\n", data);
512
                ret = AVERROR_INVALIDDATA;
513
                break;
514
            }
515
132
            for (i = 0; i < data; i++) {
516
99
                uint32_t offset = bytestream2_get_be32(&gb);
517
99
                av_log(avctx, AV_LOG_DEBUG, "Offset = %"PRIu32"\n", offset);
518
            }
519
12826
        } else if (tag == HighpassWidth) {
520
297
            av_log(avctx, AV_LOG_DEBUG, "Highpass width %i channel %i level %i subband %i\n", data, s->channel_num, s->level, s->subband_num);
521
297
            if (data < 3) {
522
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass width\n");
523
                ret = AVERROR(EINVAL);
524
                break;
525
            }
526
297
            s->plane[s->channel_num].band[s->level][s->subband_num].width  = data;
527
297
            s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
528
12529
        } else if (tag == HighpassHeight) {
529
297
            av_log(avctx, AV_LOG_DEBUG, "Highpass height %i\n", data);
530
297
            if (data < 3) {
531
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass height\n");
532
                ret = AVERROR(EINVAL);
533
                break;
534
            }
535
297
            s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
536
12232
        } else if (tag == BandWidth) {
537
891
            av_log(avctx, AV_LOG_DEBUG, "Highpass width2 %i\n", data);
538
891
            if (data < 3) {
539
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass width2\n");
540
                ret = AVERROR(EINVAL);
541
                break;
542
            }
543
891
            s->plane[s->channel_num].band[s->level][s->subband_num].width  = data;
544
891
            s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
545
11341
        } else if (tag == BandHeight) {
546
891
            av_log(avctx, AV_LOG_DEBUG, "Highpass height2 %i\n", data);
547
891
            if (data < 3) {
548
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass height2\n");
549
                ret = AVERROR(EINVAL);
550
                break;
551
            }
552
891
            s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
553
10450
        } else if (tag == InputFormat) {
554
            av_log(avctx, AV_LOG_DEBUG, "Input format %i\n", data);
555
            if (s->coded_format == AV_PIX_FMT_NONE ||
556
                s->coded_format == AV_PIX_FMT_YUV422P10) {
557
                if (data >= 100 && data <= 105) {
558
                    s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
559
                } else if (data >= 122 && data <= 128) {
560
                    s->coded_format = AV_PIX_FMT_GBRP12;
561
                } else if (data == 30) {
562
                    s->coded_format = AV_PIX_FMT_GBRAP12;
563
                } else {
564
                    s->coded_format = AV_PIX_FMT_YUV422P10;
565
                }
566
                s->planes = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 4 : av_pix_fmt_count_planes(s->coded_format);
567
            }
568
10450
        } else if (tag == BandCodingFlags) {
569
891
            s->codebook = data & 0xf;
570
891
            s->difference_coding = (data >> 4) & 1;
571
891
            av_log(avctx, AV_LOG_DEBUG, "Other codebook? %i\n", s->codebook);
572
9559
        } else if (tag == Precision) {
573
33
            av_log(avctx, AV_LOG_DEBUG, "Precision %i\n", data);
574

33
            if (!(data == 10 || data == 12)) {
575
                av_log(avctx, AV_LOG_ERROR, "Invalid bits per channel\n");
576
                ret = AVERROR(EINVAL);
577
                break;
578
            }
579
33
            avctx->bits_per_raw_sample = s->bpc = data;
580
9526
        } else if (tag == EncodedFormat) {
581
33
            av_log(avctx, AV_LOG_DEBUG, "Sample format? %i\n", data);
582
33
            if (data == 1) {
583
22
                s->coded_format = AV_PIX_FMT_YUV422P10;
584
11
            } else if (data == 2) {
585
                s->coded_format = AV_PIX_FMT_BAYER_RGGB16;
586
11
            } else if (data == 3) {
587
11
                s->coded_format = AV_PIX_FMT_GBRP12;
588
            } else if (data == 4) {
589
                s->coded_format = AV_PIX_FMT_GBRAP12;
590
            } else {
591
                avpriv_report_missing_feature(avctx, "Sample format of %"PRIu16, data);
592
                ret = AVERROR_PATCHWELCOME;
593
                break;
594
            }
595
33
            s->planes = data == 2 ? 4 : av_pix_fmt_count_planes(s->coded_format);
596
9493
        } else if (tag == -DisplayHeight) {
597
33
            av_log(avctx, AV_LOG_DEBUG, "Cropped height %"PRIu16"\n", data);
598
33
            s->cropped_height = data;
599
9460
        } else if (tag == -PeakOffsetLow) {
600
            s->peak.offset &= ~0xffff;
601
            s->peak.offset |= (data & 0xffff);
602
            s->peak.base    = gb;
603
            s->peak.level   = 0;
604
9460
        } else if (tag == -PeakOffsetHigh) {
605
            s->peak.offset &= 0xffff;
606
            s->peak.offset |= (data & 0xffffU)<<16;
607
            s->peak.base    = gb;
608
            s->peak.level   = 0;
609

9460
        } else if (tag == -PeakLevel && s->peak.offset) {
610
            s->peak.level = data;
611
            bytestream2_seek(&s->peak.base, s->peak.offset - 4, SEEK_CUR);
612
        } else
613
9460
            av_log(avctx, AV_LOG_DEBUG,  "Unknown tag %i data %x\n", tag, data);
614
615

17193
        if (tag == BitstreamMarker && data == 0xf0f &&
616
99
            s->coded_format != AV_PIX_FMT_NONE) {
617
33
            int lowpass_height = s->plane[s->channel_num].band[0][0].height;
618
33
            int lowpass_width  = s->plane[s->channel_num].band[0][0].width;
619
33
            int factor = s->coded_format == AV_PIX_FMT_BAYER_RGGB16 ? 2 : 1;
620
621
33
            if (s->coded_width) {
622
33
                s->coded_width *= factor;
623
            }
624
625
33
            if (s->coded_height) {
626
33
                s->coded_height *= factor;
627
            }
628
629

33
            if (!s->a_width && !s->coded_width) {
630
                s->coded_width = lowpass_width * factor * 8;
631
            }
632
633

33
            if (!s->a_height && !s->coded_height) {
634
                s->coded_height = lowpass_height * factor * 8;
635
            }
636
637

33
            if (s->a_width && !s->coded_width)
638
                s->coded_width = s->a_width;
639

33
            if (s->a_height && !s->coded_height)
640
                s->coded_height = s->a_height;
641
642

33
            if (s->a_width != s->coded_width || s->a_height != s->coded_height ||
643
27
                s->a_format != s->coded_format) {
644
6
                free_buffers(s);
645
6
                if ((ret = alloc_buffers(avctx)) < 0) {
646
                    free_buffers(s);
647
                    return ret;
648
                }
649
            }
650
33
            ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height);
651
33
            if (ret < 0)
652
                return ret;
653
33
            if (s->cropped_height) {
654
33
                unsigned height = s->cropped_height << (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16);
655
33
                if (avctx->height < height)
656
                    return AVERROR_INVALIDDATA;
657
33
                avctx->height = height;
658
            }
659
33
            frame.f->width =
660
33
            frame.f->height = 0;
661
662
33
            if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
663
                return ret;
664
665
33
            s->coded_width = 0;
666
33
            s->coded_height = 0;
667
33
            s->coded_format = AV_PIX_FMT_NONE;
668
33
            got_buffer = 1;
669


17160
        } else if (tag == FrameIndex && data == 1 && s->sample_type == 1 && s->frame_type == 2) {
670
            frame.f->width =
671
            frame.f->height = 0;
672
673
            if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
674
                return ret;
675
            s->coded_width = 0;
676
            s->coded_height = 0;
677
            s->coded_format = AV_PIX_FMT_NONE;
678
            got_buffer = 1;
679
        }
680
681
17193
        if (s->subband_num_actual == 255)
682
            goto finish;
683
17193
        coeff_data = s->plane[s->channel_num].subband[s->subband_num_actual];
684
685
        /* Lowpass coefficients */
686


17193
        if (tag == BitstreamMarker && data == 0xf0f && s->a_width && s->a_height) {
687
99
            int lowpass_height = s->plane[s->channel_num].band[0][0].height;
688
99
            int lowpass_width  = s->plane[s->channel_num].band[0][0].width;
689
99
            int lowpass_a_height = s->plane[s->channel_num].band[0][0].a_height;
690
99
            int lowpass_a_width  = s->plane[s->channel_num].band[0][0].a_width;
691
692

99
            if (lowpass_width < 3 ||
693
                lowpass_width > lowpass_a_width) {
694
                av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
695
                ret = AVERROR(EINVAL);
696
                goto end;
697
            }
698
699

99
            if (lowpass_height < 3 ||
700
                lowpass_height > lowpass_a_height) {
701
                av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
702
                ret = AVERROR(EINVAL);
703
                goto end;
704
            }
705
706
99
            if (!got_buffer) {
707
                av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
708
                ret = AVERROR(EINVAL);
709
                goto end;
710
            }
711
712

99
            if (lowpass_height > lowpass_a_height || lowpass_width > lowpass_a_width ||
713
99
                lowpass_width * lowpass_height * sizeof(int16_t) > bytestream2_get_bytes_left(&gb)) {
714
                av_log(avctx, AV_LOG_ERROR, "Too many lowpass coefficients\n");
715
                ret = AVERROR(EINVAL);
716
                goto end;
717
            }
718
719
99
            av_log(avctx, AV_LOG_DEBUG, "Start of lowpass coeffs component %d height:%d, width:%d\n", s->channel_num, lowpass_height, lowpass_width);
720
5082
            for (i = 0; i < lowpass_height; i++) {
721
344267
                for (j = 0; j < lowpass_width; j++)
722
339284
                    coeff_data[j] = bytestream2_get_be16u(&gb);
723
724
4983
                coeff_data += lowpass_width;
725
            }
726
727
            /* Align to mod-4 position to continue reading tags */
728
99
            bytestream2_seek(&gb, bytestream2_tell(&gb) & 3, SEEK_CUR);
729
730
            /* Copy last line of coefficients if odd height */
731
99
            if (lowpass_height & 1) {
732
33
                memcpy(&coeff_data[lowpass_height * lowpass_width],
733
33
                       &coeff_data[(lowpass_height - 1) * lowpass_width],
734
                       lowpass_width * sizeof(*coeff_data));
735
            }
736
737
99
            av_log(avctx, AV_LOG_DEBUG, "Lowpass coefficients %d\n", lowpass_width * lowpass_height);
738
        }
739
740


17193
        if ((tag == BandHeader || tag == BandSecondPass) && s->subband_num_actual != 255 && s->a_width && s->a_height) {
741
891
            int highpass_height = s->plane[s->channel_num].band[s->level][s->subband_num].height;
742
891
            int highpass_width  = s->plane[s->channel_num].band[s->level][s->subband_num].width;
743
891
            int highpass_a_width = s->plane[s->channel_num].band[s->level][s->subband_num].a_width;
744
891
            int highpass_a_height = s->plane[s->channel_num].band[s->level][s->subband_num].a_height;
745
891
            int highpass_stride = s->plane[s->channel_num].band[s->level][s->subband_num].stride;
746
            int expected;
747
891
            int a_expected = highpass_a_height * highpass_a_width;
748
            int level, run, coeff;
749
891
            int count = 0, bytes;
750
751
891
            if (!got_buffer) {
752
                av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
753
                ret = AVERROR(EINVAL);
754
                goto end;
755
            }
756
757

891
            if (highpass_height > highpass_a_height || highpass_width > highpass_a_width || a_expected < highpass_height * (uint64_t)highpass_stride) {
758
                av_log(avctx, AV_LOG_ERROR, "Too many highpass coefficients\n");
759
                ret = AVERROR(EINVAL);
760
                goto end;
761
            }
762
891
            expected = highpass_height * highpass_stride;
763
764
891
            av_log(avctx, AV_LOG_DEBUG, "Start subband coeffs plane %i level %i codebook %i expected %i\n", s->channel_num, s->level, s->codebook, expected);
765
766
891
            ret = init_get_bits8(&s->gb, gb.buffer, bytestream2_get_bytes_left(&gb));
767
891
            if (ret < 0)
768
                goto end;
769
            {
770
891
                OPEN_READER(re, &s->gb);
771
772
891
                const int lossless = s->band_encoding == 5;
773
774

891
                if (s->codebook == 0 && s->transform_type == 2 && s->subband_num_actual == 7)
775
                    s->codebook = 1;
776
891
                if (!s->codebook) {
777
                    while (1) {
778
                        UPDATE_CACHE(re, &s->gb);
779
                        GET_RL_VLC(level, run, re, &s->gb, s->table_9_rl_vlc,
780
                                   VLC_BITS, 3, 1);
781
782
                        /* escape */
783
                        if (level == 64)
784
                            break;
785
786
                        count += run;
787
788
                        if (count > expected)
789
                            break;
790
791
                        if (!lossless)
792
                            coeff = dequant_and_decompand(s, level, s->quantisation, 0);
793
                        else
794
                            coeff = level;
795
                        if (tag == BandSecondPass) {
796
                            const uint16_t q = s->quantisation;
797
798
                            for (i = 0; i < run; i++) {
799
                                *coeff_data |= coeff << 8;
800
                                *coeff_data++ *= q;
801
                            }
802
                        } else {
803
                            for (i = 0; i < run; i++)
804
                                *coeff_data++ = coeff;
805
                        }
806
                    }
807
                } else {
808
                    while (1) {
809
3523868
                        UPDATE_CACHE(re, &s->gb);
810

3523868
                        GET_RL_VLC(level, run, re, &s->gb, s->table_18_rl_vlc,
811
                                   VLC_BITS, 3, 1);
812
813
                        /* escape */
814

3523868
                        if (level == 255 && run == 2)
815
891
                            break;
816
817
3522977
                        count += run;
818
819
3522977
                        if (count > expected)
820
                            break;
821
822
3522977
                        if (!lossless)
823
3522977
                            coeff = dequant_and_decompand(s, level, s->quantisation, s->codebook);
824
                        else
825
                            coeff = level;
826
3522977
                        if (tag == BandSecondPass) {
827
                            const uint16_t q = s->quantisation;
828
829
                            for (i = 0; i < run; i++) {
830
                                *coeff_data |= coeff << 8;
831
                                *coeff_data++ *= q;
832
                            }
833
                        } else {
834
25184705
                            for (i = 0; i < run; i++)
835
21661728
                                *coeff_data++ = coeff;
836
                        }
837
                    }
838
                }
839
891
                CLOSE_READER(re, &s->gb);
840
            }
841
842
891
            if (count > expected) {
843
                av_log(avctx, AV_LOG_ERROR, "Escape codeword not found, probably corrupt data\n");
844
                ret = AVERROR(EINVAL);
845
                goto end;
846
            }
847
891
            if (s->peak.level)
848
                peak_table(coeff_data - count, &s->peak, count);
849
891
            if (s->difference_coding)
850
                difference_coding(s->plane[s->channel_num].subband[s->subband_num_actual], highpass_width, highpass_height);
851
852
891
            bytes = FFALIGN(AV_CEIL_RSHIFT(get_bits_count(&s->gb), 3), 4);
853
891
            if (bytes > bytestream2_get_bytes_left(&gb)) {
854
                av_log(avctx, AV_LOG_ERROR, "Bitstream overread error\n");
855
                ret = AVERROR(EINVAL);
856
                goto end;
857
            } else
858
891
                bytestream2_seek(&gb, bytes, SEEK_CUR);
859
860
891
            av_log(avctx, AV_LOG_DEBUG, "End subband coeffs %i extra %i\n", count, count - expected);
861
891
finish:
862
891
            if (s->subband_num_actual != 255)
863
891
                s->codebook = 0;
864
        }
865
    }
866
867
33
    s->planes = av_pix_fmt_count_planes(avctx->pix_fmt);
868
33
    if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
869
        s->progressive = 1;
870
        s->planes = 4;
871
    }
872
873
33
    ff_thread_finish_setup(avctx);
874
875

33
    if (!s->a_width || !s->a_height || s->a_format == AV_PIX_FMT_NONE ||
876

33
        s->coded_width || s->coded_height || s->coded_format != AV_PIX_FMT_NONE) {
877
        av_log(avctx, AV_LOG_ERROR, "Invalid dimensions\n");
878
        ret = AVERROR(EINVAL);
879
        goto end;
880
    }
881
882
33
    if (!got_buffer) {
883
        av_log(avctx, AV_LOG_ERROR, "No end of header tag found\n");
884
        ret = AVERROR(EINVAL);
885
        goto end;
886
    }
887
888

33
    if (s->transform_type == 0 && s->sample_type != 1) {
889

132
        for (plane = 0; plane < s->planes && !ret; plane++) {
890
            /* level 1 */
891
99
            int lowpass_height  = s->plane[plane].band[0][0].height;
892
99
            int output_stride   = s->plane[plane].band[0][0].a_width;
893
99
            int lowpass_width   = s->plane[plane].band[0][0].width;
894
99
            int highpass_stride = s->plane[plane].band[0][1].stride;
895

99
            int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
896
            ptrdiff_t dst_linesize;
897
            int16_t *low, *high, *output, *dst;
898
899
99
            if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
900
                act_plane = 0;
901
                dst_linesize = pic->linesize[act_plane];
902
            } else {
903
99
                dst_linesize = pic->linesize[act_plane] / 2;
904
            }
905
906

99
            if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
907
99
                !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width) {
908
                av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
909
                ret = AVERROR(EINVAL);
910
                goto end;
911
            }
912
913
99
            av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
914
915
99
            low    = s->plane[plane].subband[0];
916
99
            high   = s->plane[plane].subband[2];
917
99
            output = s->plane[plane].l_h[0];
918
99
            dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height);
919
920
99
            low    = s->plane[plane].subband[1];
921
99
            high   = s->plane[plane].subband[3];
922
99
            output = s->plane[plane].l_h[1];
923
924
99
            dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
925
926
99
            low    = s->plane[plane].l_h[0];
927
99
            high   = s->plane[plane].l_h[1];
928
99
            output = s->plane[plane].subband[0];
929
99
            dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
930
99
            if (s->bpc == 12) {
931
33
                output = s->plane[plane].subband[0];
932
3993
                for (i = 0; i < lowpass_height * 2; i++) {
933
716760
                    for (j = 0; j < lowpass_width * 2; j++)
934
712800
                        output[j] *= 4;
935
936
3960
                    output += output_stride * 2;
937
                }
938
            }
939
940
            /* level 2 */
941
99
            lowpass_height  = s->plane[plane].band[1][1].height;
942
99
            output_stride   = s->plane[plane].band[1][1].a_width;
943
99
            lowpass_width   = s->plane[plane].band[1][1].width;
944
99
            highpass_stride = s->plane[plane].band[1][1].stride;
945
946

99
            if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width ||
947
99
                !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width) {
948
                av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
949
                ret = AVERROR(EINVAL);
950
                goto end;
951
            }
952
953
99
            av_log(avctx, AV_LOG_DEBUG, "Level 2 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
954
955
99
            low    = s->plane[plane].subband[0];
956
99
            high   = s->plane[plane].subband[5];
957
99
            output = s->plane[plane].l_h[3];
958
99
            dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
959
960
99
            low    = s->plane[plane].subband[4];
961
99
            high   = s->plane[plane].subband[6];
962
99
            output = s->plane[plane].l_h[4];
963
99
            dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
964
965
99
            low    = s->plane[plane].l_h[3];
966
99
            high   = s->plane[plane].l_h[4];
967
99
            output = s->plane[plane].subband[0];
968
99
            dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
969
970
99
            output = s->plane[plane].subband[0];
971
20031
            for (i = 0; i < lowpass_height * 2; i++) {
972
5448476
                for (j = 0; j < lowpass_width * 2; j++)
973
5428544
                    output[j] *= 4;
974
975
19932
                output += output_stride * 2;
976
            }
977
978
            /* level 3 */
979
99
            lowpass_height  = s->plane[plane].band[2][1].height;
980
99
            output_stride   = s->plane[plane].band[2][1].a_width;
981
99
            lowpass_width   = s->plane[plane].band[2][1].width;
982
99
            highpass_stride = s->plane[plane].band[2][1].stride;
983
984

99
            if (lowpass_height > s->plane[plane].band[2][1].a_height || lowpass_width > s->plane[plane].band[2][1].a_width ||
985
99
                !highpass_stride || s->plane[plane].band[2][1].width > s->plane[plane].band[2][1].a_width) {
986
                av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
987
                ret = AVERROR(EINVAL);
988
                goto end;
989
            }
990
991
99
            av_log(avctx, AV_LOG_DEBUG, "Level 3 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
992
99
            if (s->progressive) {
993
99
                low    = s->plane[plane].subband[0];
994
99
                high   = s->plane[plane].subband[8];
995
99
                output = s->plane[plane].l_h[6];
996
99
                dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
997
998
99
                low    = s->plane[plane].subband[7];
999
99
                high   = s->plane[plane].subband[9];
1000
99
                output = s->plane[plane].l_h[7];
1001
99
                dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1002
1003
99
                dst = (int16_t *)pic->data[act_plane];
1004
99
                if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1005
                    if (plane & 1)
1006
                        dst++;
1007
                    if (plane > 1)
1008
                        dst += pic->linesize[act_plane] >> 1;
1009
                }
1010
99
                low  = s->plane[plane].l_h[6];
1011
99
                high = s->plane[plane].l_h[7];
1012
1013
99
                if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1014
                    (lowpass_height * 2 > avctx->coded_height / 2 ||
1015
                     lowpass_width  * 2 > avctx->coded_width  / 2    )
1016
                    ) {
1017
                    ret = AVERROR_INVALIDDATA;
1018
                    goto end;
1019
                }
1020
1021
39963
                for (i = 0; i < lowpass_height * 2; i++) {
1022
39864
                    dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1023

39864
                    if (avctx->pix_fmt == AV_PIX_FMT_GBRAP12 && act_plane == 3)
1024
                        process_alpha(dst, lowpass_width * 2);
1025
39864
                    low  += output_stride;
1026
39864
                    high += output_stride;
1027
39864
                    dst  += dst_linesize;
1028
                }
1029
            } else {
1030
                av_log(avctx, AV_LOG_DEBUG, "interlaced frame ? %d", pic->interlaced_frame);
1031
                pic->interlaced_frame = 1;
1032
                low    = s->plane[plane].subband[0];
1033
                high   = s->plane[plane].subband[7];
1034
                output = s->plane[plane].l_h[6];
1035
                dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1036
1037
                low    = s->plane[plane].subband[8];
1038
                high   = s->plane[plane].subband[9];
1039
                output = s->plane[plane].l_h[7];
1040
                dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1041
1042
                dst  = (int16_t *)pic->data[act_plane];
1043
                low  = s->plane[plane].l_h[6];
1044
                high = s->plane[plane].l_h[7];
1045
                for (i = 0; i < lowpass_height; i++) {
1046
                    interlaced_vertical_filter(dst, low, high, lowpass_width * 2,  pic->linesize[act_plane]/2, act_plane);
1047
                    low  += output_stride * 2;
1048
                    high += output_stride * 2;
1049
                    dst  += pic->linesize[act_plane];
1050
                }
1051
            }
1052
        }
1053
    } else if (s->transform_type == 2 && (avctx->internal->is_copy || s->frame_index == 1 || s->sample_type != 1)) {
1054
        for (plane = 0; plane < s->planes && !ret; plane++) {
1055
            int lowpass_height  = s->plane[plane].band[0][0].height;
1056
            int output_stride   = s->plane[plane].band[0][0].a_width;
1057
            int lowpass_width   = s->plane[plane].band[0][0].width;
1058
            int highpass_stride = s->plane[plane].band[0][1].stride;
1059
            int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
1060
            int16_t *low, *high, *output, *dst;
1061
            ptrdiff_t dst_linesize;
1062
1063
            if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1064
                act_plane = 0;
1065
                dst_linesize = pic->linesize[act_plane];
1066
            } else {
1067
                dst_linesize = pic->linesize[act_plane] / 2;
1068
            }
1069
1070
            if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
1071
                !highpass_stride || s->plane[plane].band[0][1].width > s->plane[plane].band[0][1].a_width) {
1072
                av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1073
                ret = AVERROR(EINVAL);
1074
                goto end;
1075
            }
1076
1077
            av_log(avctx, AV_LOG_DEBUG, "Decoding level 1 plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1078
1079
            low    = s->plane[plane].subband[0];
1080
            high   = s->plane[plane].subband[2];
1081
            output = s->plane[plane].l_h[0];
1082
            dsp->vert_filter(output, output_stride, low, lowpass_width, high, highpass_stride, lowpass_width, lowpass_height);
1083
1084
            low    = s->plane[plane].subband[1];
1085
            high   = s->plane[plane].subband[3];
1086
            output = s->plane[plane].l_h[1];
1087
            dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1088
1089
            low    = s->plane[plane].l_h[0];
1090
            high   = s->plane[plane].l_h[1];
1091
            output = s->plane[plane].l_h[7];
1092
            dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1093
            if (s->bpc == 12) {
1094
                output = s->plane[plane].l_h[7];
1095
                for (i = 0; i < lowpass_height * 2; i++) {
1096
                    for (j = 0; j < lowpass_width * 2; j++)
1097
                        output[j] *= 4;
1098
1099
                    output += output_stride * 2;
1100
                }
1101
            }
1102
1103
            lowpass_height  = s->plane[plane].band[1][1].height;
1104
            output_stride   = s->plane[plane].band[1][1].a_width;
1105
            lowpass_width   = s->plane[plane].band[1][1].width;
1106
            highpass_stride = s->plane[plane].band[1][1].stride;
1107
1108
            if (lowpass_height > s->plane[plane].band[1][1].a_height || lowpass_width > s->plane[plane].band[1][1].a_width ||
1109
                !highpass_stride || s->plane[plane].band[1][1].width > s->plane[plane].band[1][1].a_width) {
1110
                av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1111
                ret = AVERROR(EINVAL);
1112
                goto end;
1113
            }
1114
1115
            av_log(avctx, AV_LOG_DEBUG, "Level 2 lowpass plane %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1116
1117
            low    = s->plane[plane].l_h[7];
1118
            high   = s->plane[plane].subband[5];
1119
            output = s->plane[plane].l_h[3];
1120
            dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1121
1122
            low    = s->plane[plane].subband[4];
1123
            high   = s->plane[plane].subband[6];
1124
            output = s->plane[plane].l_h[4];
1125
            dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1126
1127
            low    = s->plane[plane].l_h[3];
1128
            high   = s->plane[plane].l_h[4];
1129
            output = s->plane[plane].l_h[7];
1130
            dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1131
1132
            output = s->plane[plane].l_h[7];
1133
            for (i = 0; i < lowpass_height * 2; i++) {
1134
                for (j = 0; j < lowpass_width * 2; j++)
1135
                    output[j] *= 4;
1136
                output += output_stride * 2;
1137
            }
1138
1139
            low    = s->plane[plane].subband[7];
1140
            high   = s->plane[plane].subband[9];
1141
            output = s->plane[plane].l_h[3];
1142
            dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1143
1144
            low    = s->plane[plane].subband[8];
1145
            high   = s->plane[plane].subband[10];
1146
            output = s->plane[plane].l_h[4];
1147
            dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1148
1149
            low    = s->plane[plane].l_h[3];
1150
            high   = s->plane[plane].l_h[4];
1151
            output = s->plane[plane].l_h[9];
1152
            dsp->horiz_filter(output, output_stride, low, output_stride, high, output_stride, lowpass_width, lowpass_height * 2);
1153
1154
            lowpass_height  = s->plane[plane].band[4][1].height;
1155
            output_stride   = s->plane[plane].band[4][1].a_width;
1156
            lowpass_width   = s->plane[plane].band[4][1].width;
1157
            highpass_stride = s->plane[plane].band[4][1].stride;
1158
            av_log(avctx, AV_LOG_DEBUG, "temporal level %i %i %i %i\n", plane, lowpass_height, lowpass_width, highpass_stride);
1159
1160
            if (lowpass_height > s->plane[plane].band[4][1].a_height || lowpass_width > s->plane[plane].band[4][1].a_width ||
1161
                !highpass_stride || s->plane[plane].band[4][1].width > s->plane[plane].band[4][1].a_width) {
1162
                av_log(avctx, AV_LOG_ERROR, "Invalid plane dimensions\n");
1163
                ret = AVERROR(EINVAL);
1164
                goto end;
1165
            }
1166
1167
            low    = s->plane[plane].l_h[7];
1168
            high   = s->plane[plane].l_h[9];
1169
            output = s->plane[plane].l_h[7];
1170
            for (i = 0; i < lowpass_height; i++) {
1171
                inverse_temporal_filter(low, high, lowpass_width);
1172
                low    += output_stride;
1173
                high   += output_stride;
1174
            }
1175
            if (s->progressive) {
1176
                low    = s->plane[plane].l_h[7];
1177
                high   = s->plane[plane].subband[15];
1178
                output = s->plane[plane].l_h[6];
1179
                dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1180
1181
                low    = s->plane[plane].subband[14];
1182
                high   = s->plane[plane].subband[16];
1183
                output = s->plane[plane].l_h[7];
1184
                dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1185
1186
                low    = s->plane[plane].l_h[9];
1187
                high   = s->plane[plane].subband[12];
1188
                output = s->plane[plane].l_h[8];
1189
                dsp->vert_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1190
1191
                low    = s->plane[plane].subband[11];
1192
                high   = s->plane[plane].subband[13];
1193
                output = s->plane[plane].l_h[9];
1194
                dsp->vert_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1195
1196
                if (s->sample_type == 1)
1197
                    continue;
1198
1199
                dst = (int16_t *)pic->data[act_plane];
1200
                if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1201
                    if (plane & 1)
1202
                        dst++;
1203
                    if (plane > 1)
1204
                        dst += pic->linesize[act_plane] >> 1;
1205
                }
1206
1207
                if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1208
                    (lowpass_height * 2 > avctx->coded_height / 2 ||
1209
                     lowpass_width  * 2 > avctx->coded_width  / 2    )
1210
                    ) {
1211
                    ret = AVERROR_INVALIDDATA;
1212
                    goto end;
1213
                }
1214
1215
                low  = s->plane[plane].l_h[6];
1216
                high = s->plane[plane].l_h[7];
1217
                for (i = 0; i < lowpass_height * 2; i++) {
1218
                    dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1219
                    low  += output_stride;
1220
                    high += output_stride;
1221
                    dst  += dst_linesize;
1222
                }
1223
            } else {
1224
                pic->interlaced_frame = 1;
1225
                low    = s->plane[plane].l_h[7];
1226
                high   = s->plane[plane].subband[14];
1227
                output = s->plane[plane].l_h[6];
1228
                dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1229
1230
                low    = s->plane[plane].subband[15];
1231
                high   = s->plane[plane].subband[16];
1232
                output = s->plane[plane].l_h[7];
1233
                dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1234
1235
                low    = s->plane[plane].l_h[9];
1236
                high   = s->plane[plane].subband[11];
1237
                output = s->plane[plane].l_h[8];
1238
                dsp->horiz_filter(output, output_stride, low, output_stride, high, highpass_stride, lowpass_width, lowpass_height);
1239
1240
                low    = s->plane[plane].subband[12];
1241
                high   = s->plane[plane].subband[13];
1242
                output = s->plane[plane].l_h[9];
1243
                dsp->horiz_filter(output, output_stride, low, highpass_stride, high, highpass_stride, lowpass_width, lowpass_height);
1244
1245
                if (s->sample_type == 1)
1246
                    continue;
1247
1248
                dst  = (int16_t *)pic->data[act_plane];
1249
                low  = s->plane[plane].l_h[6];
1250
                high = s->plane[plane].l_h[7];
1251
                for (i = 0; i < lowpass_height; i++) {
1252
                    interlaced_vertical_filter(dst, low, high, lowpass_width * 2,  pic->linesize[act_plane]/2, act_plane);
1253
                    low  += output_stride * 2;
1254
                    high += output_stride * 2;
1255
                    dst  += pic->linesize[act_plane];
1256
                }
1257
            }
1258
        }
1259
    }
1260
1261

33
    if (s->transform_type == 2 && s->sample_type == 1) {
1262
        int16_t *low, *high, *dst;
1263
        int output_stride, lowpass_height, lowpass_width;
1264
        ptrdiff_t dst_linesize;
1265
1266
        for (plane = 0; plane < s->planes; plane++) {
1267
            int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
1268
1269
            if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1270
                act_plane = 0;
1271
                dst_linesize = pic->linesize[act_plane];
1272
            } else {
1273
                dst_linesize = pic->linesize[act_plane] / 2;
1274
            }
1275
1276
            lowpass_height  = s->plane[plane].band[4][1].height;
1277
            output_stride   = s->plane[plane].band[4][1].a_width;
1278
            lowpass_width   = s->plane[plane].band[4][1].width;
1279
1280
            if (s->progressive) {
1281
                dst = (int16_t *)pic->data[act_plane];
1282
                low  = s->plane[plane].l_h[8];
1283
                high = s->plane[plane].l_h[9];
1284
1285
                if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16) {
1286
                    if (plane & 1)
1287
                        dst++;
1288
                    if (plane > 1)
1289
                        dst += pic->linesize[act_plane] >> 1;
1290
                }
1291
1292
                if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16 &&
1293
                    (lowpass_height * 2 > avctx->coded_height / 2 ||
1294
                     lowpass_width  * 2 > avctx->coded_width  / 2    )
1295
                    ) {
1296
                    ret = AVERROR_INVALIDDATA;
1297
                    goto end;
1298
                }
1299
1300
                for (i = 0; i < lowpass_height * 2; i++) {
1301
                    dsp->horiz_filter_clip(dst, low, high, lowpass_width, s->bpc);
1302
                    low  += output_stride;
1303
                    high += output_stride;
1304
                    dst  += dst_linesize;
1305
                }
1306
            } else {
1307
                dst  = (int16_t *)pic->data[act_plane];
1308
                low  = s->plane[plane].l_h[8];
1309
                high = s->plane[plane].l_h[9];
1310
                for (i = 0; i < lowpass_height; i++) {
1311
                    interlaced_vertical_filter(dst, low, high, lowpass_width * 2,  pic->linesize[act_plane]/2, act_plane);
1312
                    low  += output_stride * 2;
1313
                    high += output_stride * 2;
1314
                    dst  += pic->linesize[act_plane];
1315
                }
1316
            }
1317
        }
1318
    }
1319
1320
33
    if (avctx->pix_fmt == AV_PIX_FMT_BAYER_RGGB16)
1321
        process_bayer(pic, s->bpc);
1322
33
end:
1323
33
    if (ret < 0)
1324
        return ret;
1325
1326
33
    *got_frame = 1;
1327
33
    return avpkt->size;
1328
}
1329
1330
6
static av_cold int cfhd_close(AVCodecContext *avctx)
1331
{
1332
6
    CFHDContext *s = avctx->priv_data;
1333
1334
6
    free_buffers(s);
1335
1336
6
    ff_free_vlc(&s->vlc_9);
1337
6
    ff_free_vlc(&s->vlc_18);
1338
1339
6
    return 0;
1340
}
1341
1342
#if HAVE_THREADS
1343
static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
1344
{
1345
    CFHDContext *psrc = src->priv_data;
1346
    CFHDContext *pdst = dst->priv_data;
1347
    int ret;
1348
1349
    if (dst == src || psrc->transform_type == 0)
1350
        return 0;
1351
1352
    pdst->a_format = psrc->a_format;
1353
    pdst->a_width  = psrc->a_width;
1354
    pdst->a_height = psrc->a_height;
1355
    pdst->transform_type = psrc->transform_type;
1356
    pdst->progressive = psrc->progressive;
1357
    pdst->planes = psrc->planes;
1358
1359
    if (!pdst->plane[0].idwt_buf) {
1360
        pdst->coded_width  = pdst->a_width;
1361
        pdst->coded_height = pdst->a_height;
1362
        pdst->coded_format = pdst->a_format;
1363
        ret = alloc_buffers(dst);
1364
        if (ret < 0)
1365
            return ret;
1366
    }
1367
1368
    for (int plane = 0; plane < pdst->planes; plane++) {
1369
        memcpy(pdst->plane[plane].band, psrc->plane[plane].band, sizeof(pdst->plane[plane].band));
1370
        memcpy(pdst->plane[plane].idwt_buf, psrc->plane[plane].idwt_buf,
1371
               pdst->plane[plane].idwt_size * sizeof(int16_t));
1372
    }
1373
1374
    return 0;
1375
}
1376
#endif
1377
1378
AVCodec ff_cfhd_decoder = {
1379
    .name             = "cfhd",
1380
    .long_name        = NULL_IF_CONFIG_SMALL("GoPro CineForm HD"),
1381
    .type             = AVMEDIA_TYPE_VIDEO,
1382
    .id               = AV_CODEC_ID_CFHD,
1383
    .priv_data_size   = sizeof(CFHDContext),
1384
    .init             = cfhd_init,
1385
    .close            = cfhd_close,
1386
    .decode           = cfhd_decode,
1387
    .update_thread_context = ONLY_IF_THREADS_ENABLED(update_thread_context),
1388
    .capabilities     = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
1389
    .caps_internal    = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
1390
};