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avcodec: add CFHD encoder

Paul B Mahol committed 6 years ago

Commit 4e278171 parent 131d2a37 files · +816 −29Browse files

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7 files
  1. Changelog +1 −0
  2. libavcodec/Makefile +1 −0
  3. libavcodec/allcodecs.c +1 −0
  4. libavcodec/cfhd.c +0 −28
  5. libavcodec/cfhd.h +52 −0
  6. libavcodec/cfhdenc.c +760 −0
  7. libavcodec/version.h +1 −1
Changelog+1−0
@@ -10,6 +10,7 @@ version <next>: · 9 unmodified lines
1010 - ADPCM IMA Ubisoft APM encoder
1111 - Rayman 2 APM muxer
1212 - AV1 encoding support SVT-AV1
13+- Cineform HD encoder
1314
1415
1516 version 4.3:
libavcodec/Makefile+1−0
@@ -255,6 +255,7 @@ OBJS-$(CONFIG_CDGRAPHICS_DECODER) += cdgraphics.o · 254 unmodified lines
255255 OBJS-$(CONFIG_CDTOONS_DECODER) += cdtoons.o
256256 OBJS-$(CONFIG_CDXL_DECODER) += cdxl.o
257257 OBJS-$(CONFIG_CFHD_DECODER) += cfhd.o cfhddata.o
258+OBJS-$(CONFIG_CFHD_ENCODER) += cfhdenc.o cfhddata.o
258259 OBJS-$(CONFIG_CINEPAK_DECODER) += cinepak.o
259260 OBJS-$(CONFIG_CINEPAK_ENCODER) += cinepakenc.o elbg.o
260261 OBJS-$(CONFIG_CLEARVIDEO_DECODER) += clearvideo.o
libavcodec/allcodecs.c+1−0
@@ -70,6 +70,7 @@ extern AVCodec ff_cavs_decoder; · 69 unmodified lines
7070 extern AVCodec ff_cdgraphics_decoder;
7171 extern AVCodec ff_cdtoons_decoder;
7272 extern AVCodec ff_cdxl_decoder;
73+extern AVCodec ff_cfhd_encoder;
7374 extern AVCodec ff_cfhd_decoder;
7475 extern AVCodec ff_cinepak_encoder;
7576 extern AVCodec ff_cinepak_decoder;
libavcodec/cfhd.c+0−28
@@ -40,34 +40,6 @@ · 39 unmodified lines
4040 #define ALPHA_COMPAND_DC_OFFSET 256
4141 #define ALPHA_COMPAND_GAIN 9400
4242
43−enum CFHDParam {
44− SampleType = 1,
45− SampleIndexTable = 2,
46− BitstreamMarker = 4,
47− TransformType = 10,
48− ChannelCount = 12,
49− SubbandCount = 14,
50− ImageWidth = 20,
51− ImageHeight = 21,
52− LowpassWidth = 27,
53− LowpassHeight = 28,
54− LowpassPrecision = 35,
55− HighpassWidth = 41,
56− HighpassHeight = 42,
57− SubbandNumber = 48,
58− Quantization = 53,
59− BandHeader = 55,
60− ChannelNumber = 62,
61− SampleFlags = 68,
62− EncodedFormat = 84,
63− BitsPerComponent = 101,
64− ChannelWidth = 104,
65− ChannelHeight = 105,
66− PrescaleShift = 109,
67−};
68−
69−
70−
7143 static av_cold int cfhd_init(AVCodecContext *avctx)
7244 {
7345 CFHDContext *s = avctx->priv_data;
libavcodec/cfhd.h+52−0
@@ -30,6 +30,58 @@ · 29 unmodified lines
3030 #include "get_bits.h"
3131 #include "vlc.h"
3232
33+enum CFHDParam {
34+ SampleType = 1,
35+ SampleIndexTable = 2,
36+ BitstreamMarker = 4,
37+ TransformType = 10,
38+ NumFrames = 11,
39+ ChannelCount = 12,
40+ WaveletCount = 13,
41+ SubbandCount = 14,
42+ NumSpatial = 15,
43+ FirstWavelet = 16,
44+ GroupTrailer = 18,
45+ ImageWidth = 20,
46+ ImageHeight = 21,
47+ LowpassSubband = 25,
48+ NumLevels = 26,
49+ LowpassWidth = 27,
50+ LowpassHeight = 28,
51+ PixelOffset = 33,
52+ LowpassQuantization=34,
53+ LowpassPrecision = 35,
54+ WaveletType = 37,
55+ WaveletNumber = 38,
56+ WaveletLevel = 39,
57+ NumBands = 40,
58+ HighpassWidth = 41,
59+ HighpassHeight = 42,
60+ LowpassBorder = 43,
61+ HighpassBorder = 44,
62+ LowpassScale = 45,
63+ LowpassDivisor = 46,
64+ SubbandNumber = 48,
65+ BandWidth = 49,
66+ BandHeight = 50,
67+ SubbandBand = 51,
68+ BandEncoding = 52,
69+ Quantization = 53,
70+ BandScale = 54,
71+ BandHeader = 55,
72+ BandTrailer = 56,
73+ ChannelNumber = 62,
74+ SampleFlags = 68,
75+ Precision = 70,
76+ BandCodingFlags = 72,
77+ PrescaleTable = 83,
78+ EncodedFormat = 84,
79+ BitsPerComponent = 101,
80+ ChannelWidth = 104,
81+ ChannelHeight = 105,
82+ PrescaleShift = 109,
83+};
84+
3385 #define VLC_BITS 9
3486 #define SUBBAND_COUNT 10
3587
libavcodec/cfhdenc.c+760−0
@@ -0,0 +1,760 @@
1+/*
2+ * Copyright (c) 2020 Paul B Mahol
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 encoder
24+ */
25+
26+#include <stdlib.h>
27+#include <string.h>
28+
29+#include "libavutil/avassert.h"
30+#include "libavutil/imgutils.h"
31+#include "libavutil/opt.h"
32+
33+#include "avcodec.h"
34+#include "bytestream.h"
35+#include "cfhd.h"
36+#include "put_bits.h"
37+#include "internal.h"
38+#include "thread.h"
39+
40+/* Derived from existing tables from decoder */
41+static const unsigned codebook[256][2] = {
42+ { 1, 0x00000000 }, { 2, 0x00000002 }, { 3, 0x00000007 }, { 5, 0x00000019 }, { 6, 0x00000030 },
43+ { 6, 0x00000036 }, { 7, 0x00000063 }, { 7, 0x0000006B }, { 7, 0x0000006F }, { 8, 0x000000D4 },
44+ { 8, 0x000000DC }, { 9, 0x00000189 }, { 9, 0x000001A0 }, { 9, 0x000001AB }, {10, 0x00000310 },
45+ {10, 0x00000316 }, {10, 0x00000354 }, {10, 0x00000375 }, {10, 0x00000377 }, {11, 0x00000623 },
46+ {11, 0x00000684 }, {11, 0x000006AB }, {11, 0x000006EC }, {12, 0x00000C44 }, {12, 0x00000C5C },
47+ {12, 0x00000C5E }, {12, 0x00000D55 }, {12, 0x00000DD1 }, {12, 0x00000DD3 }, {12, 0x00000DDB },
48+ {13, 0x0000188B }, {13, 0x000018BB }, {13, 0x00001AA8 }, {13, 0x00001BA0 }, {13, 0x00001BA4 },
49+ {13, 0x00001BB5 }, {14, 0x00003115 }, {14, 0x00003175 }, {14, 0x0000317D }, {14, 0x00003553 },
50+ {14, 0x00003768 }, {15, 0x00006228 }, {15, 0x000062E8 }, {15, 0x000062F8 }, {15, 0x00006AA4 },
51+ {15, 0x00006E85 }, {15, 0x00006E87 }, {15, 0x00006ED3 }, {16, 0x0000C453 }, {16, 0x0000C5D3 },
52+ {16, 0x0000C5F3 }, {16, 0x0000DD08 }, {16, 0x0000DD0C }, {16, 0x0000DDA4 }, {17, 0x000188A4 },
53+ {17, 0x00018BA5 }, {17, 0x00018BE5 }, {17, 0x0001AA95 }, {17, 0x0001AA97 }, {17, 0x0001BA13 },
54+ {17, 0x0001BB4A }, {17, 0x0001BB4B }, {18, 0x00031748 }, {18, 0x000317C8 }, {18, 0x00035528 },
55+ {18, 0x0003552C }, {18, 0x00037424 }, {18, 0x00037434 }, {18, 0x00037436 }, {19, 0x00062294 },
56+ {19, 0x00062E92 }, {19, 0x00062F92 }, {19, 0x0006AA52 }, {19, 0x0006AA5A }, {19, 0x0006E84A },
57+ {19, 0x0006E86A }, {19, 0x0006E86E }, {20, 0x000C452A }, {20, 0x000C5D27 }, {20, 0x000C5F26 },
58+ {20, 0x000D54A6 }, {20, 0x000D54B6 }, {20, 0x000DD096 }, {20, 0x000DD0D6 }, {20, 0x000DD0DE },
59+ {21, 0x00188A56 }, {21, 0x0018BA4D }, {21, 0x0018BE4E }, {21, 0x0018BE4F }, {21, 0x001AA96E },
60+ {21, 0x001BA12E }, {21, 0x001BA12F }, {21, 0x001BA1AF }, {21, 0x001BA1BF }, {22, 0x00317498 },
61+ {22, 0x0035529C }, {22, 0x0035529D }, {22, 0x003552DE }, {22, 0x003552DF }, {22, 0x0037435D },
62+ {22, 0x0037437D }, {23, 0x0062295D }, {23, 0x0062E933 }, {23, 0x006AA53D }, {23, 0x006AA53E },
63+ {23, 0x006AA53F }, {23, 0x006E86B9 }, {23, 0x006E86F8 }, {24, 0x00C452B8 }, {24, 0x00C5D265 },
64+ {24, 0x00D54A78 }, {24, 0x00D54A79 }, {24, 0x00DD0D70 }, {24, 0x00DD0D71 }, {24, 0x00DD0DF2 },
65+ {24, 0x00DD0DF3 }, {26, 0x03114BA2 }, {25, 0x0188A5B1 }, {25, 0x0188A58B }, {25, 0x0188A595 },
66+ {25, 0x0188A5D6 }, {25, 0x0188A5D7 }, {25, 0x0188A5A8 }, {25, 0x0188A5AE }, {25, 0x0188A5AF },
67+ {25, 0x0188A5C4 }, {25, 0x0188A5C5 }, {25, 0x0188A587 }, {25, 0x0188A584 }, {25, 0x0188A585 },
68+ {25, 0x0188A5C6 }, {25, 0x0188A5C7 }, {25, 0x0188A5CC }, {25, 0x0188A5CD }, {25, 0x0188A581 },
69+ {25, 0x0188A582 }, {25, 0x0188A583 }, {25, 0x0188A5CE }, {25, 0x0188A5CF }, {25, 0x0188A5C2 },
70+ {25, 0x0188A5C3 }, {25, 0x0188A5C1 }, {25, 0x0188A5B4 }, {25, 0x0188A5B5 }, {25, 0x0188A5E6 },
71+ {25, 0x0188A5E7 }, {25, 0x0188A5E4 }, {25, 0x0188A5E5 }, {25, 0x0188A5AB }, {25, 0x0188A5E0 },
72+ {25, 0x0188A5E1 }, {25, 0x0188A5E2 }, {25, 0x0188A5E3 }, {25, 0x0188A5B6 }, {25, 0x0188A5B7 },
73+ {25, 0x0188A5FD }, {25, 0x0188A57E }, {25, 0x0188A57F }, {25, 0x0188A5EC }, {25, 0x0188A5ED },
74+ {25, 0x0188A5FE }, {25, 0x0188A5FF }, {25, 0x0188A57D }, {25, 0x0188A59C }, {25, 0x0188A59D },
75+ {25, 0x0188A5E8 }, {25, 0x0188A5E9 }, {25, 0x0188A5EA }, {25, 0x0188A5EB }, {25, 0x0188A5EF },
76+ {25, 0x0188A57A }, {25, 0x0188A57B }, {25, 0x0188A578 }, {25, 0x0188A579 }, {25, 0x0188A5BA },
77+ {25, 0x0188A5BB }, {25, 0x0188A5B8 }, {25, 0x0188A5B9 }, {25, 0x0188A588 }, {25, 0x0188A589 },
78+ {25, 0x018BA4C8 }, {25, 0x018BA4C9 }, {25, 0x0188A5FA }, {25, 0x0188A5FB }, {25, 0x0188A5BC },
79+ {25, 0x0188A5BD }, {25, 0x0188A598 }, {25, 0x0188A599 }, {25, 0x0188A5F4 }, {25, 0x0188A5F5 },
80+ {25, 0x0188A59B }, {25, 0x0188A5DE }, {25, 0x0188A5DF }, {25, 0x0188A596 }, {25, 0x0188A597 },
81+ {25, 0x0188A5F8 }, {25, 0x0188A5F9 }, {25, 0x0188A5F1 }, {25, 0x0188A58E }, {25, 0x0188A58F },
82+ {25, 0x0188A5DC }, {25, 0x0188A5DD }, {25, 0x0188A5F2 }, {25, 0x0188A5F3 }, {25, 0x0188A58C },
83+ {25, 0x0188A58D }, {25, 0x0188A5A4 }, {25, 0x0188A5F0 }, {25, 0x0188A5A5 }, {25, 0x0188A5A6 },
84+ {25, 0x0188A5A7 }, {25, 0x0188A59A }, {25, 0x0188A5A2 }, {25, 0x0188A5A3 }, {25, 0x0188A58A },
85+ {25, 0x0188A5B0 }, {25, 0x0188A5A0 }, {25, 0x0188A5A1 }, {25, 0x0188A5DA }, {25, 0x0188A5DB },
86+ {25, 0x0188A59E }, {25, 0x0188A59F }, {25, 0x0188A5D8 }, {25, 0x0188A5EE }, {25, 0x0188A5D9 },
87+ {25, 0x0188A5F6 }, {25, 0x0188A5F7 }, {25, 0x0188A57C }, {25, 0x0188A5C8 }, {25, 0x0188A5C9 },
88+ {25, 0x0188A594 }, {25, 0x0188A5FC }, {25, 0x0188A5CA }, {25, 0x0188A5CB }, {25, 0x0188A5B2 },
89+ {25, 0x0188A5AA }, {25, 0x0188A5B3 }, {25, 0x0188A572 }, {25, 0x0188A573 }, {25, 0x0188A5C0 },
90+ {25, 0x0188A5BE }, {25, 0x0188A5BF }, {25, 0x0188A592 }, {25, 0x0188A580 }, {25, 0x0188A593 },
91+ {25, 0x0188A590 }, {25, 0x0188A591 }, {25, 0x0188A586 }, {25, 0x0188A5A9 }, {25, 0x0188A5D2 },
92+ {25, 0x0188A5D3 }, {25, 0x0188A5D4 }, {25, 0x0188A5D5 }, {25, 0x0188A5AC }, {25, 0x0188A5AD },
93+ {25, 0x0188A5D0 },
94+};
95+
96+/* Derived by extracting runcodes from existing tables from decoder */
97+static const uint16_t runbook[8][3] = {
98+ {1, 0x0000, 1}, {7, 0x0069, 12}, {8, 0x00D1, 20}, {9, 0x018A, 32},
99+ {10, 0x0343, 60}, {11, 0x0685, 100}, {13, 0x18BF, 180}, {13, 0x1BA5, 320},
100+};
101+
102+/*
103+ * Derived by inspecting various quality encodes
104+ * and adding some more from scratch.
105+ */
106+static const uint16_t quantization_per_subband[10][9] = {
107+ { 12, 12, 6, 12, 12, 6, 12, 12, 18, },
108+ { 14, 14, 7, 14, 14, 7, 18, 18, 24, },
109+ { 16, 16, 8, 16, 16, 8, 24, 24, 36, },
110+ { 16, 16, 8, 16, 16, 8, 48, 48, 96, },
111+ { 24, 24, 16, 24, 24, 16, 64, 64, 128, },
112+ { 24, 24, 16, 24, 24, 16, 128, 128, 256, },
113+ { 64, 64, 48, 64, 64, 48, 256, 256, 512, },
114+ { 64, 64, 48, 64, 64, 48, 512, 512, 768, },
115+ { 64, 64, 48, 64, 64, 48,1024,1024,1536, },
116+ {160,160,168,172,172,180,2048,2048,3072, },
117+};
118+
119+typedef struct Codebook {
120+ unsigned bits;
121+ unsigned size;
122+} Codebook;
123+
124+typedef struct Runbook {
125+ unsigned size;
126+ unsigned bits;
127+ unsigned run;
128+} Runbook;
129+
130+typedef struct PlaneEnc {
131+ unsigned size;
132+
133+ int16_t *dwt_buf;
134+ int16_t *dwt_tmp;
135+
136+ unsigned quantization[SUBBAND_COUNT];
137+ int16_t *subband[SUBBAND_COUNT];
138+ int16_t *l_h[8];
139+
140+ SubBand band[DWT_LEVELS][4];
141+} PlaneEnc;
142+
143+typedef struct CFHDEncContext {
144+ PutBitContext pb;
145+ PutByteContext pby;
146+
147+ unsigned quantization_div;
148+ int compression;
149+ int planes;
150+ int chroma_h_shift;
151+ int chroma_v_shift;
152+ PlaneEnc plane[4];
153+
154+ Runbook rb[321];
155+ Codebook cb[513];
156+} CFHDEncContext;
157+
158+static av_cold int cfhd_encode_init(AVCodecContext *avctx)
159+{
160+ CFHDEncContext *s = avctx->priv_data;
161+ const int sign_mask = 256;
162+ const int twos_complement = -sign_mask;
163+ const int mag_mask = sign_mask - 1;
164+ int ret;
165+
166+ s->quantization_div = avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 2 : 1;
167+
168+ ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
169+ &s->chroma_h_shift,
170+ &s->chroma_v_shift);
171+ if (ret < 0)
172+ return ret;
173+
174+ if (avctx->width & 15) {
175+ av_log(avctx, AV_LOG_ERROR, "Width must be multiple of 16.\n");
176+ return AVERROR_INVALIDDATA;
177+ }
178+
179+ s->planes = av_pix_fmt_count_planes(avctx->pix_fmt);
180+
181+ if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
182+ s->compression = 2;
183+ s->compression = av_clip(avctx->compression_level, 0, 9);
184+
185+ for (int i = 0; i < s->planes; i++) {
186+ int w8, h8, w4, h4, w2, h2;
187+ int width = i ? avctx->width >> s->chroma_h_shift : avctx->width;
188+ int height = i ? FFALIGN(avctx->height >> s->chroma_v_shift, 8) :
189+ FFALIGN(avctx->height >> s->chroma_v_shift, 8);
190+ ptrdiff_t stride = FFALIGN(width / 8, 8) * 8;
191+
192+ w8 = FFALIGN(width / 8, 8);
193+ h8 = height / 8;
194+ w4 = w8 * 2;
195+ h4 = h8 * 2;
196+ w2 = w4 * 2;
197+ h2 = h4 * 2;
198+
199+ s->plane[i].dwt_buf =
200+ av_mallocz_array(height * stride, sizeof(*s->plane[i].dwt_buf));
201+ s->plane[i].dwt_tmp =
202+ av_malloc_array(height * stride, sizeof(*s->plane[i].dwt_tmp));
203+ if (!s->plane[i].dwt_buf || !s->plane[i].dwt_tmp)
204+ return AVERROR(ENOMEM);
205+
206+ s->plane[i].subband[0] = s->plane[i].dwt_buf;
207+ s->plane[i].subband[1] = s->plane[i].dwt_buf + 2 * w8 * h8;
208+ s->plane[i].subband[2] = s->plane[i].dwt_buf + 1 * w8 * h8;
209+ s->plane[i].subband[3] = s->plane[i].dwt_buf + 3 * w8 * h8;
210+ s->plane[i].subband[4] = s->plane[i].dwt_buf + 2 * w4 * h4;
211+ s->plane[i].subband[5] = s->plane[i].dwt_buf + 1 * w4 * h4;
212+ s->plane[i].subband[6] = s->plane[i].dwt_buf + 3 * w4 * h4;
213+ s->plane[i].subband[7] = s->plane[i].dwt_buf + 2 * w2 * h2;
214+ s->plane[i].subband[8] = s->plane[i].dwt_buf + 1 * w2 * h2;
215+ s->plane[i].subband[9] = s->plane[i].dwt_buf + 3 * w2 * h2;
216+
217+ for (int j = 0; j < DWT_LEVELS; j++) {
218+ for (int k = 0; k < FF_ARRAY_ELEMS(s->plane[i].band[j]); k++) {
219+ s->plane[i].band[j][k].width = (width / 8) << j;
220+ s->plane[i].band[j][k].height = (height / 8) << j;
221+ s->plane[i].band[j][k].a_width = w8 << j;
222+ s->plane[i].band[j][k].a_height = h8 << j;
223+ }
224+ }
225+
226+ /* ll2 and ll1 commented out because they are done in-place */
227+ s->plane[i].l_h[0] = s->plane[i].dwt_tmp;
228+ s->plane[i].l_h[1] = s->plane[i].dwt_tmp + 2 * w8 * h8;
229+ // s->plane[i].l_h[2] = ll2;
230+ s->plane[i].l_h[3] = s->plane[i].dwt_tmp;
231+ s->plane[i].l_h[4] = s->plane[i].dwt_tmp + 2 * w4 * h4;
232+ // s->plane[i].l_h[5] = ll1;
233+ s->plane[i].l_h[6] = s->plane[i].dwt_tmp;
234+ s->plane[i].l_h[7] = s->plane[i].dwt_tmp + 2 * w2 * h2;
235+ }
236+
237+ for (int i = 0; i < 512; i++) {
238+ int value = (i & sign_mask) ? twos_complement + (i & mag_mask): i;
239+ int mag = FFMIN(FFABS(value), 255);
240+
241+ if (mag) {
242+ s->cb[i].bits = (codebook[mag][1] << 1) | (value > 0 ? 0 : 1);
243+ s->cb[i].size = codebook[mag][0] + 1;
244+ } else {
245+ s->cb[i].bits = codebook[mag][1];
246+ s->cb[i].size = codebook[mag][0];
247+ }
248+ }
249+
250+ s->cb[512].bits = 0x3114ba3;
251+ s->cb[512].size = 26;
252+
253+ s->rb[0].run = 0;
254+
255+ for (int i = 1, j = 0; i < 320 && j < 7; j++) {
256+ int run = runbook[j][2];
257+ int end = runbook[j+1][2];
258+
259+ while (i < end) {
260+ s->rb[i].run = run;
261+ s->rb[i].bits = runbook[j][1];
262+ s->rb[i++].size = runbook[j][0];
263+ }
264+ }
265+
266+ s->rb[320].bits = runbook[7][1];
267+ s->rb[320].size = runbook[7][0];
268+ s->rb[320].run = 320;
269+
270+ return 0;
271+}
272+
273+static inline void filter(int16_t *input, ptrdiff_t in_stride,
274+ int16_t *low, ptrdiff_t low_stride,
275+ int16_t *high, ptrdiff_t high_stride,
276+ int len)
277+{
278+ low[(0>>1) * low_stride] = av_clip_int16(input[0*in_stride] + input[1*in_stride]);
279+ high[(0>>1) * high_stride] = av_clip_int16((5 * input[0*in_stride] - 11 * input[1*in_stride] +
280+ 4 * input[2*in_stride] + 4 * input[3*in_stride] -
281+ 1 * input[4*in_stride] - 1 * input[5*in_stride] + 4) >> 3);
282+
283+ for (int i = 2; i < len - 2; i += 2) {
284+ low[(i>>1) * low_stride] = av_clip_int16(input[i*in_stride] + input[(i+1)*in_stride]);
285+ high[(i>>1) * high_stride] = av_clip_int16(((-input[(i-2)*in_stride] - input[(i-1)*in_stride] +
286+ input[(i+2)*in_stride] + input[(i+3)*in_stride] + 4) >> 3) +
287+ input[(i+0)*in_stride] - input[(i+1)*in_stride]);
288+ }
289+
290+ low[((len-2)>>1) * low_stride] = av_clip_int16(input[((len-2)+0)*in_stride] + input[((len-2)+1)*in_stride]);
291+ high[((len-2)>>1) * high_stride] = av_clip_int16((11* input[((len-2)+0)*in_stride] - 5 * input[((len-2)+1)*in_stride] -
292+ 4 * input[((len-2)-1)*in_stride] - 4 * input[((len-2)-2)*in_stride] +
293+ 1 * input[((len-2)-3)*in_stride] + 1 * input[((len-2)-4)*in_stride] + 4) >> 3);
294+}
295+
296+static void horiz_filter(int16_t *input, int16_t *low, int16_t *high,
297+ int width)
298+{
299+ filter(input, 1, low, 1, high, 1, width);
300+}
301+
302+static void vert_filter(int16_t *input, ptrdiff_t in_stride,
303+ int16_t *low, ptrdiff_t low_stride,
304+ int16_t *high, ptrdiff_t high_stride, int len)
305+{
306+ filter(input, in_stride, low, low_stride, high, high_stride, len);
307+}
308+
309+static void quantize_band(int16_t *input, int width, int a_width,
310+ int height, unsigned quantization)
311+{
312+ const int factor = (1 << 16) / quantization;
313+
314+ for (int i = 0; i < height; i++) {
315+ for (int j = 0; j < width; j++)
316+ input[j] = av_clip_intp2((input[j] * factor) / 65536, 8);
317+ input += a_width;
318+ }
319+}
320+
321+static int put_runcode(PutBitContext *pb, int count, const Runbook *const rb)
322+{
323+ while (count > 0) {
324+ const int index = FFMIN(320, count);
325+
326+ put_bits(pb, rb[index].size, rb[index].bits);
327+ count -= rb[index].run;
328+ }
329+
330+ return 0;
331+}
332+
333+static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
334+ const AVFrame *frame, int *got_packet)
335+{
336+ CFHDEncContext *s = avctx->priv_data;
337+ PutByteContext *pby = &s->pby;
338+ PutBitContext *pb = &s->pb;
339+ const Codebook *const cb = s->cb;
340+ const Runbook *const rb = s->rb;
341+ unsigned pos;
342+ int ret = 0;
343+
344+ for (int plane = 0; plane < s->planes && !ret; plane++) {
345+ int width = s->plane[plane].band[2][0].width;
346+ int a_width = s->plane[plane].band[2][0].a_width;
347+ int height = s->plane[plane].band[2][0].height;
348+ int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
349+ int16_t *input = (int16_t *)frame->data[act_plane];
350+ int16_t *low = s->plane[plane].l_h[6];
351+ int16_t *high = s->plane[plane].l_h[7];
352+ const ptrdiff_t in_stride = frame->linesize[act_plane] / 2;
353+ int low_stride, high_stride;
354+
355+ for (int i = 0; i < height * 2; i++) {
356+ horiz_filter(input, low, high, width * 2);
357+ input += in_stride;
358+ low += a_width;
359+ high += a_width;
360+ }
361+
362+ input = s->plane[plane].l_h[7];
363+ low = s->plane[plane].subband[7];
364+ low_stride = s->plane[plane].band[2][0].a_width;
365+ high = s->plane[plane].subband[9];
366+ high_stride = s->plane[plane].band[2][0].a_width;
367+
368+ for (int i = 0; i < width; i++) {
369+ vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
370+ input++;
371+ low++;
372+ high++;
373+ }
374+
375+ input = s->plane[plane].l_h[6];
376+ low = s->plane[plane].l_h[7];
377+ high = s->plane[plane].subband[8];
378+
379+ for (int i = 0; i < width; i++) {
380+ vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
381+ input++;
382+ low++;
383+ high++;
384+ }
385+
386+ a_width = s->plane[plane].band[1][0].a_width;
387+ width = s->plane[plane].band[1][0].width;
388+ height = s->plane[plane].band[1][0].height;
389+ input = s->plane[plane].l_h[7];
390+ low = s->plane[plane].l_h[3];
391+ low_stride = s->plane[plane].band[1][0].a_width;
392+ high = s->plane[plane].l_h[4];
393+ high_stride = s->plane[plane].band[1][0].a_width;
394+
395+ for (int i = 0; i < height * 2; i++) {
396+ for (int j = 0; j < width * 2; j++)
397+ input[j] /= 4;
398+ input += a_width * 2;
399+ }
400+
401+ input = s->plane[plane].l_h[7];
402+ for (int i = 0; i < height * 2; i++) {
403+ horiz_filter(input, low, high, width * 2);
404+ input += a_width * 2;
405+ low += low_stride;
406+ high += high_stride;
407+ }
408+
409+ input = s->plane[plane].l_h[4];
410+ low = s->plane[plane].subband[4];
411+ high = s->plane[plane].subband[6];
412+
413+ for (int i = 0; i < width; i++) {
414+ vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
415+ input++;
416+ low++;
417+ high++;
418+ }
419+
420+ input = s->plane[plane].l_h[3];
421+ low = s->plane[plane].l_h[4];
422+ high = s->plane[plane].subband[5];
423+
424+ for (int i = 0; i < width; i++) {
425+ vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
426+ input++;
427+ low++;
428+ high++;
429+ }
430+
431+ a_width = s->plane[plane].band[0][0].a_width;
432+ width = s->plane[plane].band[0][0].width;
433+ height = s->plane[plane].band[0][0].height;
434+ input = s->plane[plane].l_h[4];
435+ low = s->plane[plane].l_h[0];
436+ low_stride = s->plane[plane].band[0][0].a_width;
437+ high = s->plane[plane].l_h[1];
438+ high_stride = s->plane[plane].band[0][0].a_width;
439+
440+ if (avctx->pix_fmt != AV_PIX_FMT_YUV422P10) {
441+ for (int i = 0; i < height * 2; i++) {
442+ for (int j = 0; j < width * 2; j++)
443+ input[j] /= 4;
444+ input += a_width * 2;
445+ }
446+ }
447+
448+ input = s->plane[plane].l_h[4];
449+ for (int i = 0; i < height * 2; i++) {
450+ horiz_filter(input, low, high, width * 2);
451+ input += a_width * 2;
452+ low += low_stride;
453+ high += high_stride;
454+ }
455+
456+ low = s->plane[plane].subband[1];
457+ high = s->plane[plane].subband[3];
458+ input = s->plane[plane].l_h[1];
459+
460+ for (int i = 0; i < width; i++) {
461+ vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
462+ input++;
463+ low++;
464+ high++;
465+ }
466+
467+ low = s->plane[plane].subband[0];
468+ high = s->plane[plane].subband[2];
469+ input = s->plane[plane].l_h[0];
470+
471+ for (int i = 0; i < width; i++) {
472+ vert_filter(input, a_width, low, low_stride, high, high_stride, height * 2);
473+ input++;
474+ low++;
475+ high++;
476+ }
477+ }
478+
479+ ret = ff_alloc_packet2(avctx, pkt, 60LL + s->planes * (2LL * avctx->width * avctx->height + 1000LL), 0);
480+ if (ret < 0)
481+ return ret;
482+
483+ bytestream2_init_writer(pby, pkt->data, pkt->size);
484+
485+ bytestream2_put_be16(pby, SampleType);
486+ bytestream2_put_be16(pby, 9);
487+
488+ bytestream2_put_be16(pby, SampleIndexTable);
489+ bytestream2_put_be16(pby, s->planes);
490+
491+ for (int i = 0; i < s->planes; i++)
492+ bytestream2_put_be32(pby, 0);
493+
494+ bytestream2_put_be16(pby, TransformType);
495+ bytestream2_put_be16(pby, 0);
496+
497+ bytestream2_put_be16(pby, NumFrames);
498+ bytestream2_put_be16(pby, 1);
499+
500+ bytestream2_put_be16(pby, ChannelCount);
501+ bytestream2_put_be16(pby, s->planes);
502+
503+ bytestream2_put_be16(pby, EncodedFormat);
504+ bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 1 : 3);
505+
506+ bytestream2_put_be16(pby, WaveletCount);
507+ bytestream2_put_be16(pby, 3);
508+
509+ bytestream2_put_be16(pby, SubbandCount);
510+ bytestream2_put_be16(pby, SUBBAND_COUNT);
511+
512+ bytestream2_put_be16(pby, NumSpatial);
513+ bytestream2_put_be16(pby, 2);
514+
515+ bytestream2_put_be16(pby, FirstWavelet);
516+ bytestream2_put_be16(pby, 3);
517+
518+ bytestream2_put_be16(pby, ImageWidth);
519+ bytestream2_put_be16(pby, avctx->width);
520+
521+ bytestream2_put_be16(pby, ImageHeight);
522+ bytestream2_put_be16(pby, avctx->height);
523+
524+ bytestream2_put_be16(pby, Precision);
525+ bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12);
526+
527+ bytestream2_put_be16(pby, PrescaleTable);
528+ bytestream2_put_be16(pby, 0x2800);
529+
530+ bytestream2_put_be16(pby, SampleFlags);
531+ bytestream2_put_be16(pby, 1);
532+
533+ for (int p = 0; p < s->planes; p++) {
534+ int width = s->plane[p].band[0][0].width;
535+ int a_width = s->plane[p].band[0][0].a_width;
536+ int height = s->plane[p].band[0][0].height;
537+ int16_t *data = s->plane[p].subband[0];
538+
539+ if (p) {
540+ bytestream2_put_be16(pby, SampleType);
541+ bytestream2_put_be16(pby, 3);
542+
543+ bytestream2_put_be16(pby, ChannelNumber);
544+ bytestream2_put_be16(pby, p);
545+ }
546+
547+ bytestream2_put_be16(pby, BitstreamMarker);
548+ bytestream2_put_be16(pby, 0x1a4a);
549+
550+ pos = bytestream2_tell_p(pby);
551+
552+ bytestream2_put_be16(pby, LowpassSubband);
553+ bytestream2_put_be16(pby, 0);
554+
555+ bytestream2_put_be16(pby, NumLevels);
556+ bytestream2_put_be16(pby, 3);
557+
558+ bytestream2_put_be16(pby, LowpassWidth);
559+ bytestream2_put_be16(pby, width);
560+
561+ bytestream2_put_be16(pby, LowpassHeight);
562+ bytestream2_put_be16(pby, height);
563+
564+ bytestream2_put_be16(pby, PixelOffset);
565+ bytestream2_put_be16(pby, 0);
566+
567+ bytestream2_put_be16(pby, LowpassQuantization);
568+ bytestream2_put_be16(pby, 1);
569+
570+ bytestream2_put_be16(pby, LowpassPrecision);
571+ bytestream2_put_be16(pby, 16);
572+
573+ bytestream2_put_be16(pby, BitstreamMarker);
574+ bytestream2_put_be16(pby, 0x0f0f);
575+
576+ for (int i = 0; i < height; i++) {
577+ for (int j = 0; j < width; j++)
578+ bytestream2_put_be16(pby, data[j]);
579+ data += a_width;
580+ }
581+
582+ bytestream2_put_be16(pby, BitstreamMarker);
583+ bytestream2_put_be16(pby, 0x1b4b);
584+
585+ for (int l = 0; l < 3; l++) {
586+ for (int i = 0; i < 3; i++) {
587+ s->plane[p].quantization[1 + l * 3 + i] = quantization_per_subband[s->compression][l * 3 + i] / s->quantization_div;
588+ }
589+ }
590+
591+ for (int l = 0; l < 3; l++) {
592+ int a_width = s->plane[p].band[l][0].a_width;
593+ int width = s->plane[p].band[l][0].width;
594+ int stride = FFALIGN(width, 8);
595+ int height = s->plane[p].band[l][0].height;
596+
597+ bytestream2_put_be16(pby, BitstreamMarker);
598+ bytestream2_put_be16(pby, 0x0d0d);
599+
600+ bytestream2_put_be16(pby, WaveletType);
601+ bytestream2_put_be16(pby, 3 + 2 * (l == 2));
602+
603+ bytestream2_put_be16(pby, WaveletNumber);
604+ bytestream2_put_be16(pby, 3 - l);
605+
606+ bytestream2_put_be16(pby, WaveletLevel);
607+ bytestream2_put_be16(pby, 3 - l);
608+
609+ bytestream2_put_be16(pby, NumBands);
610+ bytestream2_put_be16(pby, 4);
611+
612+ bytestream2_put_be16(pby, HighpassWidth);
613+ bytestream2_put_be16(pby, width);
614+
615+ bytestream2_put_be16(pby, HighpassHeight);
616+ bytestream2_put_be16(pby, height);
617+
618+ bytestream2_put_be16(pby, LowpassBorder);
619+ bytestream2_put_be16(pby, 0);
620+
621+ bytestream2_put_be16(pby, HighpassBorder);
622+ bytestream2_put_be16(pby, 0);
623+
624+ bytestream2_put_be16(pby, LowpassScale);
625+ bytestream2_put_be16(pby, 1);
626+
627+ bytestream2_put_be16(pby, LowpassDivisor);
628+ bytestream2_put_be16(pby, 1);
629+
630+ for (int i = 0; i < 3; i++) {
631+ int16_t *data = s->plane[p].subband[1 + l * 3 + i];
632+ int count = 0, padd = 0;
633+
634+ bytestream2_put_be16(pby, BitstreamMarker);
635+ bytestream2_put_be16(pby, 0x0e0e);
636+
637+ bytestream2_put_be16(pby, SubbandNumber);
638+ bytestream2_put_be16(pby, i + 1);
639+
640+ bytestream2_put_be16(pby, BandCodingFlags);
641+ bytestream2_put_be16(pby, 2);
642+
643+ bytestream2_put_be16(pby, BandWidth);
644+ bytestream2_put_be16(pby, width);
645+
646+ bytestream2_put_be16(pby, BandHeight);
647+ bytestream2_put_be16(pby, height);
648+
649+ bytestream2_put_be16(pby, SubbandBand);
650+ bytestream2_put_be16(pby, 1 + l * 3 + i);
651+
652+ bytestream2_put_be16(pby, BandEncoding);
653+ bytestream2_put_be16(pby, 3);
654+
655+ bytestream2_put_be16(pby, Quantization);
656+ bytestream2_put_be16(pby, s->plane[p].quantization[1 + l * 3 + i]);
657+
658+ bytestream2_put_be16(pby, BandScale);
659+ bytestream2_put_be16(pby, 1);
660+
661+ bytestream2_put_be16(pby, BandHeader);
662+ bytestream2_put_be16(pby, 0);
663+
664+ quantize_band(data, width, a_width, height,
665+ s->plane[p].quantization[1 + l * 3 + i]);
666+
667+ init_put_bits(pb, pkt->data + bytestream2_tell_p(pby), bytestream2_get_bytes_left_p(pby));
668+
669+ for (int m = 0; m < height; m++) {
670+ for (int j = 0; j < stride; j++) {
671+ int16_t index = data[j];
672+
673+ if (index < 0)
674+ index += 512;
675+ if (index == 0) {
676+ count++;
677+ continue;
678+ } else if (count > 0) {
679+ count = put_runcode(pb, count, rb);
680+ }
681+
682+ put_bits(pb, cb[index].size, cb[index].bits);
683+ }
684+
685+ data += a_width;
686+ }
687+
688+ if (count > 0) {
689+ count = put_runcode(pb, count, rb);
690+ }
691+
692+ put_bits(pb, cb[512].size, cb[512].bits);
693+
694+ flush_put_bits(pb);
695+ bytestream2_skip_p(pby, put_bits_count(pb) >> 3);
696+ padd = (4 - (bytestream2_tell_p(pby) & 3)) & 3;
697+ while (padd--)
698+ bytestream2_put_byte(pby, 0);
699+
700+ bytestream2_put_be16(pby, BandTrailer);
701+ bytestream2_put_be16(pby, 0);
702+ }
703+
704+ bytestream2_put_be16(pby, BitstreamMarker);
705+ bytestream2_put_be16(pby, 0x0c0c);
706+ }
707+
708+ s->plane[p].size = bytestream2_tell_p(pby) - pos;
709+ }
710+
711+ bytestream2_put_be16(pby, GroupTrailer);
712+ bytestream2_put_be16(pby, 0);
713+
714+ av_shrink_packet(pkt, bytestream2_tell_p(pby));
715+
716+ pkt->flags |= AV_PKT_FLAG_KEY;
717+
718+ bytestream2_seek_p(pby, 8, SEEK_SET);
719+ for (int i = 0; i < s->planes; i++)
720+ bytestream2_put_be32(pby, s->plane[i].size);
721+
722+ *got_packet = 1;
723+
724+ return 0;
725+}
726+
727+static av_cold int cfhd_encode_close(AVCodecContext *avctx)
728+{
729+ CFHDEncContext *s = avctx->priv_data;
730+
731+ for (int i = 0; i < s->planes; i++) {
732+ av_freep(&s->plane[i].dwt_buf);
733+ av_freep(&s->plane[i].dwt_tmp);
734+
735+ for (int j = 0; j < SUBBAND_COUNT; j++)
736+ s->plane[i].subband[j] = NULL;
737+
738+ for (int j = 0; j < 8; j++)
739+ s->plane[i].l_h[j] = NULL;
740+ }
741+
742+ return 0;
743+}
744+
745+AVCodec ff_cfhd_encoder = {
746+ .name = "cfhd",
747+ .long_name = NULL_IF_CONFIG_SMALL("Cineform HD"),
748+ .type = AVMEDIA_TYPE_VIDEO,
749+ .id = AV_CODEC_ID_CFHD,
750+ .priv_data_size = sizeof(CFHDEncContext),
751+ .init = cfhd_encode_init,
752+ .close = cfhd_encode_close,
753+ .encode2 = cfhd_encode_frame,
754+ .capabilities = AV_CODEC_CAP_FRAME_THREADS,
755+ .pix_fmts = (const enum AVPixelFormat[]) {
756+ AV_PIX_FMT_YUV422P10,
757+ AV_PIX_FMT_GBRP12,
758+ AV_PIX_FMT_NONE
759+ },
760+};
libavcodec/version.h+1−1
@@ -28,7 +28,7 @@ · 27 unmodified lines
2828 #include "libavutil/version.h"
2929
3030 #define LIBAVCODEC_VERSION_MAJOR 58
31−#define LIBAVCODEC_VERSION_MINOR 98
31+#define LIBAVCODEC_VERSION_MINOR 99
3232 #define LIBAVCODEC_VERSION_MICRO 100
3333
3434 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

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