1. ffmpeg
  2. Commit 5bebe94d860cb1a0819701213e961c8269aa3284
Browse code

Indeo 5 decoder

Originally committed as revision 21695 to svn://svn.ffmpeg.org/ffmpeg/trunk

Kostya Shishkov authored on 2010/02/09 16:55:07
Showing 8 changed files
Changelog
History View file @ 5bebe94
... ... 
@@ -55,6 +55,7 @@ version <next>:
55 55 
 - enable symbol versioning by default for linkers that support it
56 56 
 - IFF PBM/ILBM bitmap decoder
57 57 
 - concat protocol
58 
+- Indeo 5 decoder
58 59
59 60
60 61
MAINTAINERS
History View file @ 5bebe94
... ... 
@@ -136,7 +136,9 @@ Codecs:
136 136 
   idcinvideo.c                          Mike Melanson
137 137 
   imc*                                  Benjamin Larsson
138 138 
   indeo2*                               Kostya Shishkov
139 
+  indeo5*                               Kostya Shishkov
139 140 
   interplayvideo.c                      Mike Melanson
141 
+  ivi*                                  Kostya Shishkov
140 142 
   jpeg_ls.c                             Kostya Shishkov
141 143 
   kmvc.c                                Kostya Shishkov
142 144 
   lcl*.c                                Roberto Togni, Reimar Doeffinger
doc/general.texi
History View file @ 5bebe94
... ... 
@@ -394,6 +394,7 @@ following image formats are supported:
394 394 
 @item Intel H.263            @tab     @tab  X
395 395 
 @item Intel Indeo 2          @tab     @tab  X
396 396 
 @item Intel Indeo 3          @tab     @tab  X
397 
+@item Intel Indeo 5          @tab     @tab  X
397 398 
 @item Interplay C93          @tab     @tab  X
398 399 
     @tab Used in the game Cyberia from Interplay.
399 400 
 @item Interplay MVE video    @tab     @tab  X
libavcodec/Makefile
History View file @ 5bebe94
... ... 
@@ -149,6 +149,7 @@ OBJS-$(CONFIG_IFF_ILBM_DECODER)        += iff.o
149 149 
 OBJS-$(CONFIG_IMC_DECODER)             += imc.o
150 150 
 OBJS-$(CONFIG_INDEO2_DECODER)          += indeo2.o
151 151 
 OBJS-$(CONFIG_INDEO3_DECODER)          += indeo3.o
152 
+OBJS-$(CONFIG_INDEO5_DECODER)          += indeo5.o ivi_common.o ivi_dsp.o
152 153 
 OBJS-$(CONFIG_INTERPLAY_DPCM_DECODER)  += dpcm.o
153 154 
 OBJS-$(CONFIG_INTERPLAY_VIDEO_DECODER) += interplayvideo.o
154 155 
 OBJS-$(CONFIG_JPEGLS_DECODER)          += jpeglsdec.o jpegls.o \
libavcodec/allcodecs.c
History View file @ 5bebe94
... ... 
@@ -118,6 +118,7 @@ void avcodec_register_all(void)
118 118 
     REGISTER_DECODER (IFF_ILBM, iff_ilbm);
119 119 
     REGISTER_DECODER (INDEO2, indeo2);
120 120 
     REGISTER_DECODER (INDEO3, indeo3);
121 
+    REGISTER_DECODER (INDEO5, indeo5);
121 122 
     REGISTER_DECODER (INTERPLAY_VIDEO, interplay_video);
122 123 
     REGISTER_ENCDEC  (JPEGLS, jpegls);
123 124 
     REGISTER_DECODER (KMVC, kmvc);
libavcodec/avcodec.h
History View file @ 5bebe94
... ... 
@@ -30,7 +30,7 @@
30 30 
 #include "libavutil/avutil.h"
31 31
32 32 
 #define LIBAVCODEC_VERSION_MAJOR 52
33 
-#define LIBAVCODEC_VERSION_MINOR 52
33 
+#define LIBAVCODEC_VERSION_MINOR 53
34 34 
 #define LIBAVCODEC_VERSION_MICRO  0
35 35
36 36 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
libavcodec/indeo5.c
History View file @ 5bebe94
37 37 
new file mode 100644
... ... 
@@ -0,0 +1,885 @@
0 
+/*
1 
+ * Indeo Video Interactive v5 compatible decoder
2 
+ * Copyright (c) 2009 Maxim Poliakovski
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 libavcodec/indeo5.c
23 
+ * Indeo Video Interactive version 5 decoder
24 
+ *
25 
+ * Indeo5 data is usually transported within .avi or .mov files.
26 
+ * Known FOURCCs: 'IV50'
27 
+ */
28 
+
29 
+#define ALT_BITSTREAM_READER_LE
30 
+#include "avcodec.h"
31 
+#include "get_bits.h"
32 
+#include "ivi_dsp.h"
33 
+#include "ivi_common.h"
34 
+#include "indeo5data.h"
35 
+
36 
+/**
37 
+ *  Indeo5 frame types.
38 
+ */
39 
+enum {
40 
+    FRAMETYPE_INTRA       = 0,
41 
+    FRAMETYPE_INTER       = 1,  ///< non-droppable P-frame
42 
+    FRAMETYPE_INTER_SCAL  = 2,  ///< droppable P-frame used in the scalability mode
43 
+    FRAMETYPE_INTER_NOREF = 3,  ///< droppable P-frame
44 
+    FRAMETYPE_NULL        = 4   ///< empty frame with no data
45 
+};
46 
+
47 
+#define IVI5_PIC_SIZE_ESC       15
48 
+
49 
+#define IVI5_IS_PROTECTED       0x20
50 
+
51 
+typedef struct {
52 
+    GetBitContext   gb;
53 
+    AVFrame         frame;
54 
+    RVMapDesc       rvmap_tabs[9];   ///< local corrected copy of the static rvmap tables
55 
+    IVIPlaneDesc    planes[3];       ///< color planes
56 
+    const uint8_t   *frame_data;     ///< input frame data pointer
57 
+    int             buf_switch;      ///< used to switch between three buffers
58 
+    int             dst_buf;
59 
+    int             ref_buf;
60 
+    uint32_t        frame_size;      ///< frame size in bytes
61 
+    int             frame_type;
62 
+    int             prev_frame_type; ///< frame type of the previous frame
63 
+    int             frame_num;
64 
+    uint32_t        pic_hdr_size;    ///< picture header size in bytes
65 
+    uint8_t         frame_flags;
66 
+    uint16_t        checksum;        ///< frame checksum
67 
+
68 
+    int16_t         mb_huff_sel;     ///< MB huffman table selector
69 
+    IVIHuffDesc     mb_huff_desc;    ///< MB table descriptor associated with the selector above
70 
+    VLC             *mb_vlc;         ///< ptr to the vlc table for decoding macroblock data
71 
+    VLC             mb_vlc_cust;     ///< custom macroblock vlc table
72 
+
73 
+    uint16_t        gop_hdr_size;
74 
+    uint8_t         gop_flags;
75 
+    int             is_scalable;
76 
+    uint32_t        lock_word;
77 
+    IVIPicConfig    pic_conf;
78 
+} IVI5DecContext;
79 
+
80 
+//! static vlc tables (initialized at startup)
81 
+static VLC mb_vlc_tabs [8];
82 
+static VLC blk_vlc_tabs[8];
83 
+
84 
+
85 
+/**
86 
+ *  Decodes Indeo5 GOP (Group of pictures) header.
87 
+ *  This header is present in key frames only.
88 
+ *  It defines parameters for all frames in a GOP.
89 
+ *
90 
+ *  @param ctx      [in,out] ptr to the decoder context
91 
+ *  @param avctx    [in] ptr to the AVCodecContext
92 
+ *  @return         result code: 0 = OK, -1 = error
93 
+ */
94 
+static int decode_gop_header(IVI5DecContext *ctx, AVCodecContext *avctx)
95 
+{
96 
+    int             result, i, p, tile_size, pic_size_indx, mb_size, blk_size, blk_size_changed = 0;
97 
+    IVIBandDesc     *band, *band1, *band2;
98 
+    IVIPicConfig    pic_conf;
99 
+
100 
+    ctx->gop_flags = get_bits(&ctx->gb, 8);
101 
+
102 
+    ctx->gop_hdr_size = (ctx->gop_flags & 1) ? get_bits(&ctx->gb, 16) : 0;
103 
+
104 
+    if (ctx->gop_flags & IVI5_IS_PROTECTED)
105 
+        ctx->lock_word = get_bits_long(&ctx->gb, 32);
106 
+
107 
+    tile_size = (ctx->gop_flags & 0x40) ? 64 << get_bits(&ctx->gb, 2) : 0;
108 
+    if (tile_size > 256) {
109 
+        av_log(avctx, AV_LOG_ERROR, "Invalid tile size: %d\n", tile_size);
110 
+        return -1;
111 
+    }
112 
+
113 
+    /* decode number of wavelet bands */
114 
+    /* num_levels * 3 + 1 */
115 
+    pic_conf.luma_bands   = get_bits(&ctx->gb, 2) * 3 + 1;
116 
+    pic_conf.chroma_bands = get_bits1(&ctx->gb)   * 3 + 1;
117 
+    ctx->is_scalable = pic_conf.luma_bands != 1 || pic_conf.chroma_bands != 1;
118 
+    if (ctx->is_scalable && (pic_conf.luma_bands != 4 || pic_conf.chroma_bands != 1)) {
119 
+        av_log(avctx, AV_LOG_ERROR, "Scalability: unsupported subdivision! Luma bands: %d, chroma bands: %d\n",
120 
+               pic_conf.luma_bands, pic_conf.chroma_bands);
121 
+        return -1;
122 
+    }
123 
+
124 
+    pic_size_indx = get_bits(&ctx->gb, 4);
125 
+    if (pic_size_indx == IVI5_PIC_SIZE_ESC) {
126 
+        pic_conf.pic_height = get_bits(&ctx->gb, 13);
127 
+        pic_conf.pic_width  = get_bits(&ctx->gb, 13);
128 
+    } else {
129 
+        pic_conf.pic_height = ivi5_common_pic_sizes[pic_size_indx * 2 + 1] << 2;
130 
+        pic_conf.pic_width  = ivi5_common_pic_sizes[pic_size_indx * 2    ] << 2;
131 
+    }
132 
+
133 
+    if (ctx->gop_flags & 2) {
134 
+        av_log(avctx, AV_LOG_ERROR, "YV12 picture format not supported!\n");
135 
+        return -1;
136 
+    }
137 
+
138 
+    pic_conf.chroma_height = (pic_conf.pic_height + 3) >> 2;
139 
+    pic_conf.chroma_width  = (pic_conf.pic_width  + 3) >> 2;
140 
+
141 
+    if (!tile_size) {
142 
+        pic_conf.tile_height = pic_conf.pic_height;
143 
+        pic_conf.tile_width  = pic_conf.pic_width;
144 
+    } else {
145 
+        pic_conf.tile_height = pic_conf.tile_width = tile_size;
146 
+    }
147 
+
148 
+    /* check if picture layout was changed and reallocate buffers */
149 
+    if (ivi_pic_config_cmp(&pic_conf, &ctx->pic_conf)) {
150 
+        result = ff_ivi_init_planes(ctx->planes, &pic_conf);
151 
+        if (result) {
152 
+            av_log(avctx, AV_LOG_ERROR, "Couldn't reallocate color planes!\n");
153 
+            return -1;
154 
+        }
155 
+        ctx->pic_conf = pic_conf;
156 
+        blk_size_changed = 1; /* force reallocation of the internal structures */
157 
+    }
158 
+
159 
+    for (p = 0; p <= 1; p++) {
160 
+        for (i = 0; i < (!p ? pic_conf.luma_bands : pic_conf.chroma_bands); i++) {
161 
+            band = &ctx->planes[p].bands[i];
162 
+
163 
+            band->is_halfpel = get_bits1(&ctx->gb);
164 
+
165 
+            mb_size  = get_bits1(&ctx->gb);
166 
+            blk_size = 8 >> get_bits1(&ctx->gb);
167 
+            mb_size  = blk_size << !mb_size;
168 
+
169 
+            blk_size_changed = mb_size != band->mb_size || blk_size != band->blk_size;
170 
+            if (blk_size_changed) {
171 
+                band->mb_size  = mb_size;
172 
+                band->blk_size = blk_size;
173 
+            }
174 
+
175 
+            if (get_bits1(&ctx->gb)) {
176 
+                av_log(avctx, AV_LOG_ERROR, "Extended transform info encountered!\n");
177 
+                return -1;
178 
+            }
179 
+
180 
+            /* select transform function and scan pattern according to plane and band number */
181 
+            switch ((p << 2) + i) {
182 
+            case 0:
183 
+                band->inv_transform = ff_ivi_inverse_slant_8x8;
184 
+                band->dc_transform  = ff_ivi_dc_slant_2d;
185 
+                band->scan          = ivi5_scans8x8[0];
186 
+                break;
187 
+
188 
+            case 1:
189 
+                band->inv_transform = ff_ivi_row_slant8;
190 
+                band->dc_transform  = ff_ivi_dc_row_slant;
191 
+                band->scan          = ivi5_scans8x8[1];
192 
+                break;
193 
+
194 
+            case 2:
195 
+                band->inv_transform = ff_ivi_col_slant8;
196 
+                band->dc_transform  = ff_ivi_dc_col_slant;
197 
+                band->scan          = ivi5_scans8x8[2];
198 
+                break;
199 
+
200 
+            case 3:
201 
+                band->inv_transform = ff_ivi_put_pixels_8x8;
202 
+                band->dc_transform  = ff_ivi_put_dc_pixel_8x8;
203 
+                band->scan          = ivi5_scans8x8[2];
204 
+                break;
205 
+
206 
+            case 4:
207 
+                band->inv_transform = ff_ivi_inverse_slant_4x4;
208 
+                band->dc_transform  = ff_ivi_dc_slant_2d;
209 
+                band->scan          = ivi5_scan4x4;
210 
+                break;
211 
+            }
212 
+
213 
+            band->is_2d_trans = band->inv_transform == ff_ivi_inverse_slant_8x8 ||
214 
+                                band->inv_transform == ff_ivi_inverse_slant_4x4;
215 
+
216 
+            /* select dequant matrix according to plane and band number */
217 
+            if (!p) {
218 
+                band->quant_mat = (pic_conf.luma_bands > 1) ? i+1 : 0;
219 
+            } else {
220 
+                band->quant_mat = 5;
221 
+            }
222 
+
223 
+            if (get_bits(&ctx->gb, 2)) {
224 
+                av_log(avctx, AV_LOG_ERROR, "End marker missing!\n");
225 
+                return -1;
226 
+            }
227 
+        }
228 
+    }
229 
+
230 
+    /* copy chroma parameters into the 2nd chroma plane */
231 
+    for (i = 0; i < pic_conf.chroma_bands; i++) {
232 
+        band1 = &ctx->planes[1].bands[i];
233 
+        band2 = &ctx->planes[2].bands[i];
234 
+
235 
+        band2->width         = band1->width;
236 
+        band2->height        = band1->height;
237 
+        band2->mb_size       = band1->mb_size;
238 
+        band2->blk_size      = band1->blk_size;
239 
+        band2->is_halfpel    = band1->is_halfpel;
240 
+        band2->quant_mat     = band1->quant_mat;
241 
+        band2->scan          = band1->scan;
242 
+        band2->inv_transform = band1->inv_transform;
243 
+        band2->dc_transform  = band1->dc_transform;
244 
+        band2->is_2d_trans   = band1->is_2d_trans;
245 
+    }
246 
+
247 
+    /* reallocate internal structures if needed */
248 
+    if (blk_size_changed) {
249 
+        result = ff_ivi_init_tiles(ctx->planes, pic_conf.tile_width,
250 
+                                   pic_conf.tile_height);
251 
+        if (result) {
252 
+            av_log(avctx, AV_LOG_ERROR,
253 
+                   "Couldn't reallocate internal structures!\n");
254 
+            return -1;
255 
+        }
256 
+    }
257 
+
258 
+    if (ctx->gop_flags & 8) {
259 
+        if (get_bits(&ctx->gb, 3)) {
260 
+            av_log(avctx, AV_LOG_ERROR, "Alignment bits are not zero!\n");
261 
+            return -1;
262 
+        }
263 
+
264 
+        if (get_bits1(&ctx->gb))
265 
+            skip_bits_long(&ctx->gb, 24); /* skip transparency fill color */
266 
+    }
267 
+
268 
+    align_get_bits(&ctx->gb);
269 
+
270 
+    skip_bits(&ctx->gb, 23); /* FIXME: unknown meaning */
271 
+
272 
+    /* skip GOP extension if any */
273 
+    if (get_bits1(&ctx->gb)) {
274 
+        do {
275 
+            i = get_bits(&ctx->gb, 16);
276 
+        } while (i & 0x8000);
277 
+    }
278 
+
279 
+    align_get_bits(&ctx->gb);
280 
+
281 
+    return 0;
282 
+}
283 
+
284 
+
285 
+/**
286 
+ *  Skips a header extension.
287 
+ *
288 
+ *  @param gb   [in,out] the GetBit context
289 
+ */
290 
+static inline void skip_hdr_extension(GetBitContext *gb)
291 
+{
292 
+    int i, len;
293 
+
294 
+    do {
295 
+        len = get_bits(gb, 8);
296 
+        for (i = 0; i < len; i++) skip_bits(gb, 8);
297 
+    } while(len);
298 
+}
299 
+
300 
+
301 
+/**
302 
+ *  Decodes Indeo5 picture header.
303 
+ *
304 
+ *  @param ctx      [in,out] ptr to the decoder context
305 
+ *  @param avctx    [in] ptr to the AVCodecContext
306 
+ *  @return         result code: 0 = OK, -1 = error
307 
+ */
308 
+static int decode_pic_hdr(IVI5DecContext *ctx, AVCodecContext *avctx)
309 
+{
310 
+    int         result;
311 
+    IVIHuffDesc new_huff;
312 
+
313 
+    if (get_bits(&ctx->gb, 5) != 0x1F) {
314 
+        av_log(avctx, AV_LOG_ERROR, "Invalid picture start code!\n");
315 
+        return -1;
316 
+    }
317 
+
318 
+    ctx->prev_frame_type = ctx->frame_type;
319 
+    ctx->frame_type      = get_bits(&ctx->gb, 3);
320 
+    if (ctx->frame_type >= 5) {
321 
+        av_log(avctx, AV_LOG_ERROR, "Invalid frame type: %d \n", ctx->frame_type);
322 
+        return -1;
323 
+    }
324 
+
325 
+    ctx->frame_num = get_bits(&ctx->gb, 8);
326 
+
327 
+    if (ctx->frame_type == FRAMETYPE_INTRA) {
328 
+        if (decode_gop_header(ctx, avctx))
329 
+            return -1;
330 
+    }
331 
+
332 
+    if (ctx->frame_type != FRAMETYPE_NULL) {
333 
+        ctx->frame_flags = get_bits(&ctx->gb, 8);
334 
+
335 
+        ctx->pic_hdr_size = (ctx->frame_flags & 1) ? get_bits_long(&ctx->gb, 24) : 0;
336 
+
337 
+        ctx->checksum = (ctx->frame_flags & 0x10) ? get_bits(&ctx->gb, 16) : 0;
338 
+
339 
+        /* skip unknown extension if any */
340 
+        if (ctx->frame_flags & 0x20)
341 
+            skip_hdr_extension(&ctx->gb); /* XXX: untested */
342 
+
343 
+        /* decode macroblock huffman codebook */
344 
+        if (ctx->frame_flags & 0x40) {
345 
+            ctx->mb_huff_sel = ff_ivi_dec_huff_desc(&ctx->gb, &new_huff);
346 
+            if (ctx->mb_huff_sel != 7) {
347 
+                ctx->mb_vlc = &mb_vlc_tabs[ctx->mb_huff_sel];
348 
+            } else {
349 
+                if (ff_ivi_huff_desc_cmp(&new_huff, &ctx->mb_huff_desc)) {
350 
+                    ff_ivi_huff_desc_copy(&ctx->mb_huff_desc, &new_huff);
351 
+
352 
+                    if (ctx->mb_vlc_cust.table)
353 
+                        free_vlc(&ctx->mb_vlc_cust);
354 
+                    result = ff_ivi_create_huff_from_desc(&ctx->mb_huff_desc,
355 
+                                                          &ctx->mb_vlc_cust, 0);
356 
+                    if (result) {
357 
+                        av_log(avctx, AV_LOG_ERROR, "Error while initializing custom macroblock vlc table!\n");
358 
+                        return -1;
359 
+                    }
360 
+                }
361 
+                ctx->mb_vlc = &ctx->mb_vlc_cust;
362 
+            }
363 
+        } else {
364 
+            ctx->mb_vlc = &mb_vlc_tabs[7]; /* select the default macroblock huffman table */
365 
+        }
366 
+
367 
+        skip_bits(&ctx->gb, 3); /* FIXME: unknown meaning! */
368 
+    }
369 
+
370 
+    align_get_bits(&ctx->gb);
371 
+
372 
+    return 0;
373 
+}
374 
+
375 
+
376 
+/**
377 
+ *  Decodes Indeo5 band header.
378 
+ *
379 
+ *  @param ctx      [in,out] ptr to the decoder context
380 
+ *  @param band     [in,out] ptr to the band descriptor
381 
+ *  @param avctx    [in] ptr to the AVCodecContext
382 
+ *  @return         result code: 0 = OK, -1 = error
383 
+ */
384 
+static int decode_band_hdr(IVI5DecContext *ctx, IVIBandDesc *band,
385 
+                           AVCodecContext *avctx)
386 
+{
387 
+    int         i, result;
388 
+    uint8_t     band_flags;
389 
+    IVIHuffDesc new_huff;
390 
+
391 
+    band_flags = get_bits(&ctx->gb, 8);
392 
+
393 
+    if (band_flags & 1) {
394 
+        band->is_empty = 1;
395 
+        return 0;
396 
+    }
397 
+
398 
+    band->data_size = (ctx->frame_flags & 0x80) ? get_bits_long(&ctx->gb, 24) : 0;
399 
+
400 
+    band->inherit_mv     = band_flags & 2;
401 
+    band->inherit_qdelta = band_flags & 8;
402 
+    band->qdelta_present = band_flags & 4;
403 
+    if (!band->qdelta_present) band->inherit_qdelta = 1;
404 
+
405 
+    /* decode rvmap probability corrections if any */
406 
+    band->num_corr = 0; /* there are no corrections */
407 
+    if (band_flags & 0x10) {
408 
+        band->num_corr = get_bits(&ctx->gb, 8); /* get number of correction pairs */
409 
+        if (band->num_corr > 61) {
410 
+            av_log(avctx, AV_LOG_ERROR, "Too many corrections: %d\n",
411 
+                   band->num_corr);
412 
+            return -1;
413 
+        }
414 
+
415 
+        /* read correction pairs */
416 
+        for (i = 0; i < band->num_corr * 2; i++)
417 
+            band->corr[i] = get_bits(&ctx->gb, 8);
418 
+    }
419 
+
420 
+    /* select appropriate rvmap table for this band */
421 
+    band->rvmap_sel = (band_flags & 0x40) ? get_bits(&ctx->gb, 3) : 8;
422 
+
423 
+    /* decode block huffman codebook */
424 
+    if (band_flags & 0x80) {
425 
+        band->huff_sel = ff_ivi_dec_huff_desc(&ctx->gb, &new_huff);
426 
+        if (band->huff_sel != 7) {
427 
+            band->blk_vlc = &blk_vlc_tabs[band->huff_sel];
428 
+        } else {
429 
+            if (ff_ivi_huff_desc_cmp(&new_huff, &band->huff_desc)) {
430 
+                ff_ivi_huff_desc_copy(&band->huff_desc, &new_huff);
431 
+
432 
+                if (band->blk_vlc_cust.table)
433 
+                    free_vlc(&band->blk_vlc_cust);
434 
+                result = ff_ivi_create_huff_from_desc(&band->huff_desc,
435 
+                                                      &band->blk_vlc_cust, 0);
436 
+                if (result) {
437 
+                    av_log(avctx, AV_LOG_ERROR, "Error while initializing custom block vlc table!\n");
438 
+                    return -1;
439 
+                }
440 
+            }
441 
+            band->blk_vlc = &band->blk_vlc_cust;
442 
+        }
443 
+    } else {
444 
+        band->blk_vlc = &blk_vlc_tabs[7]; /* select the default macroblock huffman table */
445 
+    }
446 
+
447 
+    band->checksum_present = get_bits1(&ctx->gb);
448 
+    if (band->checksum_present)
449 
+        band->checksum = get_bits(&ctx->gb, 16);
450 
+
451 
+    band->glob_quant = get_bits(&ctx->gb, 5);
452 
+
453 
+    /* skip unknown extension if any */
454 
+    if (band_flags & 0x20) { /* XXX: untested */
455 
+        align_get_bits(&ctx->gb);
456 
+        skip_hdr_extension(&ctx->gb);
457 
+    }
458 
+
459 
+    align_get_bits(&ctx->gb);
460 
+
461 
+    return 0;
462 
+}
463 
+
464 
+
465 
+/**
466 
+ *  Decodes info (block type, cbp, quant delta, motion vector)
467 
+ *  for all macroblocks in the current tile.
468 
+ *
469 
+ *  @param ctx      [in,out] ptr to the decoder context
470 
+ *  @param band     [in,out] ptr to the band descriptor
471 
+ *  @param tile     [in,out] ptr to the tile descriptor
472 
+ *  @param avctx    [in] ptr to the AVCodecContext
473 
+ *  @return         result code: 0 = OK, -1 = error
474 
+ */
475 
+static int decode_mb_info(IVI5DecContext *ctx, IVIBandDesc *band,
476 
+                          IVITile *tile, AVCodecContext *avctx)
477 
+{
478 
+    int         x, y, mv_x, mv_y, mv_delta, offs, mb_offset,
479 
+                mv_scale, blks_per_mb;
480 
+    IVIMbInfo   *mb, *ref_mb;
481 
+    int         row_offset = band->mb_size * band->pitch;
482 
+
483 
+    mb     = tile->mbs;
484 
+    ref_mb = tile->ref_mbs;
485 
+    offs   = tile->ypos * band->pitch + tile->xpos;
486 
+
487 
+    /* scale factor for motion vectors */
488 
+    mv_scale = (ctx->planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3);
489 
+    mv_x = mv_y = 0;
490 
+
491 
+    for (y = tile->ypos; y < (tile->ypos + tile->height); y += band->mb_size) {
492 
+        mb_offset = offs;
493 
+
494 
+        for (x = tile->xpos; x < (tile->xpos + tile->width); x += band->mb_size) {
495 
+            mb->xpos     = x;
496 
+            mb->ypos     = y;
497 
+            mb->buf_offs = mb_offset;
498 
+
499 
+            if (get_bits1(&ctx->gb)) {
500 
+                if (ctx->frame_type == FRAMETYPE_INTRA) {
501 
+                    av_log(avctx, AV_LOG_ERROR, "Empty macroblock in an INTRA picture!\n");
502 
+                    return -1;
503 
+                }
504 
+                mb->type = 1; /* empty macroblocks are always INTER */
505 
+                mb->cbp  = 0; /* all blocks are empty */
506 
+
507 
+                mb->q_delta = 0;
508 
+                if (!band->plane && !band->band_num && (ctx->frame_flags & 8)) {
509 
+                    mb->q_delta = get_vlc2(&ctx->gb, ctx->mb_vlc->table,
510 
+                                           IVI_VLC_BITS, 1);
511 
+                    mb->q_delta = IVI_TOSIGNED(mb->q_delta);
512 
+                }
513 
+
514 
+                mb->mv_x = mb->mv_y = 0; /* no motion vector coded */
515 
+                if (band->inherit_mv){
516 
+                    /* motion vector inheritance */
517 
+                    if (mv_scale) {
518 
+                        mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
519 
+                        mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale);
520 
+                    } else {
521 
+                        mb->mv_x = ref_mb->mv_x;
522 
+                        mb->mv_y = ref_mb->mv_y;
523 
+                    }
524 
+                }
525 
+            } else {
526 
+                if (band->inherit_mv) {
527 
+                    mb->type = ref_mb->type; /* copy mb_type from corresponding reference mb */
528 
+                } else if (ctx->frame_type == FRAMETYPE_INTRA) {
529 
+                    mb->type = 0; /* mb_type is always INTRA for intra-frames */
530 
+                } else {
531 
+                    mb->type = get_bits1(&ctx->gb);
532 
+                }
533 
+
534 
+                blks_per_mb = band->mb_size != band->blk_size ? 4 : 1;
535 
+                mb->cbp = get_bits(&ctx->gb, blks_per_mb);
536 
+
537 
+                mb->q_delta = 0;
538 
+                if (band->qdelta_present) {
539 
+                    if (band->inherit_qdelta) {
540 
+                        if (ref_mb) mb->q_delta = ref_mb->q_delta;
541 
+                    } else if (mb->cbp || (!band->plane && !band->band_num &&
542 
+                                           (ctx->frame_flags & 8))) {
543 
+                        mb->q_delta = get_vlc2(&ctx->gb, ctx->mb_vlc->table,
544 
+                                               IVI_VLC_BITS, 1);
545 
+                        mb->q_delta = IVI_TOSIGNED(mb->q_delta);
546 
+                    }
547 
+                }
548 
+
549 
+                if (!mb->type) {
550 
+                    mb->mv_x = mb->mv_y = 0; /* there is no motion vector in intra-macroblocks */
551 
+                } else {
552 
+                    if (band->inherit_mv){
553 
+                        /* motion vector inheritance */
554 
+                        if (mv_scale) {
555 
+                            mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
556 
+                            mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale);
557 
+                        } else {
558 
+                            mb->mv_x = ref_mb->mv_x;
559 
+                            mb->mv_y = ref_mb->mv_y;
560 
+                        }
561 
+                    } else {
562 
+                        /* decode motion vector deltas */
563 
+                        mv_delta = get_vlc2(&ctx->gb, ctx->mb_vlc->table,
564 
+                                            IVI_VLC_BITS, 1);
565 
+                        mv_y += IVI_TOSIGNED(mv_delta);
566 
+                        mv_delta = get_vlc2(&ctx->gb, ctx->mb_vlc->table,
567 
+                                            IVI_VLC_BITS, 1);
568 
+                        mv_x += IVI_TOSIGNED(mv_delta);
569 
+                        mb->mv_x = mv_x;
570 
+                        mb->mv_y = mv_y;
571 
+                    }
572 
+                }
573 
+            }
574 
+
575 
+            mb++;
576 
+            if (ref_mb)
577 
+                ref_mb++;
578 
+            mb_offset += band->mb_size;
579 
+        }
580 
+
581 
+        offs += row_offset;
582 
+    }
583 
+
584 
+    align_get_bits(&ctx->gb);
585 
+
586 
+    return 0;
587 
+}
588 
+
589 
+
590 
+/**
591 
+ *  Decodes an Indeo5 band.
592 
+ *
593 
+ *  @param ctx      [in,out] ptr to the decoder context
594 
+ *  @param band     [in,out] ptr to the band descriptor
595 
+ *  @param avctx    [in] ptr to the AVCodecContext
596 
+ *  @return         result code: 0 = OK, -1 = error
597 
+ */
598 
+static int decode_band(IVI5DecContext *ctx, int plane_num,
599 
+                       IVIBandDesc *band, AVCodecContext *avctx)
600 
+{
601 
+    int         result, i, t, idx1, idx2;
602 
+    IVITile     *tile;
603 
+    uint16_t    chksum;
604 
+
605 
+    band->buf     = band->bufs[ctx->dst_buf];
606 
+    band->ref_buf = band->bufs[ctx->ref_buf];
607 
+    band->data_ptr = ctx->frame_data + (get_bits_count(&ctx->gb) >> 3);
608 
+
609 
+    result = decode_band_hdr(ctx, band, avctx);
610 
+    if (result) {
611 
+        av_log(avctx, AV_LOG_ERROR, "Error while decoding band header: %d\n",
612 
+               result);
613 
+        return -1;
614 
+    }
615 
+
616 
+    if (band->is_empty) {
617 
+        av_log(avctx, AV_LOG_ERROR, "Empty band encountered!\n");
618 
+        return -1;
619 
+    }
620 
+
621 
+    band->rv_map = &ctx->rvmap_tabs[band->rvmap_sel];
622 
+
623 
+    /* apply corrections to the selected rvmap table if present */
624 
+    for (i = 0; i < band->num_corr; i++) {
625 
+        idx1 = band->corr[i*2];
626 
+        idx2 = band->corr[i*2+1];
627 
+        FFSWAP(uint8_t, band->rv_map->runtab[idx1], band->rv_map->runtab[idx2]);
628 
+        FFSWAP(int16_t, band->rv_map->valtab[idx1], band->rv_map->valtab[idx2]);
629 
+    }
630 
+
631 
+    for (t = 0; t < band->num_tiles; t++) {
632 
+        tile = &band->tiles[t];
633 
+
634 
+        tile->is_empty = get_bits1(&ctx->gb);
635 
+        if (tile->is_empty) {
636 
+            ff_ivi_process_empty_tile(avctx, band, tile,
637 
+                                      (ctx->planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3));
638 
+            align_get_bits(&ctx->gb);
639 
+        } else {
640 
+            tile->data_size = ff_ivi_dec_tile_data_size(&ctx->gb);
641 
+
642 
+            result = decode_mb_info(ctx, band, tile, avctx);
643 
+            if (result < 0)
644 
+                break;
645 
+
646 
+            if (band->blk_size == 8) {
647 
+                band->intra_base  = &ivi5_base_quant_8x8_intra[band->quant_mat][0];
648 
+                band->inter_base  = &ivi5_base_quant_8x8_inter[band->quant_mat][0];
649 
+                band->intra_scale = &ivi5_scale_quant_8x8_intra[band->quant_mat][0];
650 
+                band->inter_scale = &ivi5_scale_quant_8x8_inter[band->quant_mat][0];
651 
+            } else {
652 
+                band->intra_base  = ivi5_base_quant_4x4_intra;
653 
+                band->inter_base  = ivi5_base_quant_4x4_inter;
654 
+                band->intra_scale = ivi5_scale_quant_4x4_intra;
655 
+                band->inter_scale = ivi5_scale_quant_4x4_inter;
656 
+            }
657 
+
658 
+            result = ff_ivi_decode_blocks(&ctx->gb, band, tile);
659 
+            if (result < 0) {
660 
+                av_log(avctx, AV_LOG_ERROR, "Corrupted blocks data encountered!\n");
661 
+                break;
662 
+            }
663 
+        }
664 
+    }
665 
+
666 
+    /* restore the selected rvmap table by applying its corrections in reverse order */
667 
+    for (i = band->num_corr-1; i >= 0; i--) {
668 
+        idx1 = band->corr[i*2];
669 
+        idx2 = band->corr[i*2+1];
670 
+        FFSWAP(uint8_t, band->rv_map->runtab[idx1], band->rv_map->runtab[idx2]);
671 
+        FFSWAP(int16_t, band->rv_map->valtab[idx1], band->rv_map->valtab[idx2]);
672 
+    }
673 
+
674 
+    if (IVI_DEBUG && band->checksum_present) {
675 
+        chksum = ivi_calc_band_checksum(band);
676 
+        if (chksum != band->checksum) {
677 
+            av_log(avctx, AV_LOG_ERROR,
678 
+                   "Band checksum mismatch! Plane %d, band %d, received: %x, calculated: %x\n",
679 
+                   band->plane, band->band_num, band->checksum, chksum);
680 
+        }
681 
+    }
682 
+
683 
+    return result;
684 
+}
685 
+
686 
+
687 
+/**
688 
+ *  Switches buffers.
689 
+ *
690 
+ *  @param ctx      [in,out] ptr to the decoder context
691 
+ *  @param avctx    [in] ptr to the AVCodecContext
692 
+ */
693 
+static void switch_buffers(IVI5DecContext *ctx, AVCodecContext *avctx)
694 
+{
695 
+    switch (ctx->frame_type) {
696 
+    case FRAMETYPE_INTRA:
697 
+        ctx->buf_switch = 0;
698 
+        ctx->dst_buf    = 0;
699 
+        ctx->ref_buf    = 0;
700 
+        break;
701 
+    case FRAMETYPE_INTER:
702 
+        ctx->buf_switch &= 1;
703 
+        /* swap buffers only if there were no droppable frames */
704 
+        if (ctx->prev_frame_type != FRAMETYPE_INTER_NOREF &&
705 
+            ctx->prev_frame_type != FRAMETYPE_INTER_SCAL)
706 
+            ctx->buf_switch ^= 1;
707 
+        ctx->dst_buf = ctx->buf_switch;
708 
+        ctx->ref_buf = ctx->buf_switch ^ 1;
709 
+        break;
710 
+    case FRAMETYPE_INTER_SCAL:
711 
+        if (ctx->prev_frame_type == FRAMETYPE_INTER_NOREF)
712 
+            break;
713 
+        if (ctx->prev_frame_type != FRAMETYPE_INTER_SCAL) {
714 
+            ctx->buf_switch ^= 1;
715 
+            ctx->dst_buf     = ctx->buf_switch;
716 
+            ctx->ref_buf     = ctx->buf_switch ^ 1;
717 
+        } else {
718 
+            ctx->buf_switch ^= 2;
719 
+            ctx->dst_buf = 2;
720 
+            ctx->ref_buf = ctx->buf_switch & 1;
721 
+            if (!(ctx->buf_switch & 2))
722 
+                FFSWAP(int, ctx->dst_buf, ctx->ref_buf);
723 
+        }
724 
+        break;
725 
+    case FRAMETYPE_INTER_NOREF:
726 
+        if (ctx->prev_frame_type == FRAMETYPE_INTER_SCAL) {
727 
+            ctx->buf_switch ^= 2;
728 
+            ctx->dst_buf = 2;
729 
+            ctx->ref_buf = ctx->buf_switch & 1;
730 
+            if (!(ctx->buf_switch & 2))
731 
+                FFSWAP(int, ctx->dst_buf, ctx->ref_buf);
732 
+        } else {
733 
+            ctx->buf_switch ^= 1;
734 
+            ctx->dst_buf     =  ctx->buf_switch & 1;
735 
+            ctx->ref_buf     = (ctx->buf_switch & 1) ^ 1;
736 
+        }
737 
+        break;
738 
+    case FRAMETYPE_NULL:
739 
+        return;
740 
+    default:
741 
+        av_log(avctx, AV_LOG_ERROR, "unsupported frame type: %d\n", ctx->frame_type);
742 
+    }
743 
+}
744 
+
745 
+
746 
+/**
747 
+ *  Initializes Indeo5 decoder.
748 
+ */
749 
+static av_cold int decode_init(AVCodecContext *avctx)
750 
+{
751 
+    IVI5DecContext  *ctx = avctx->priv_data;
752 
+    int             i, result;
753 
+
754 
+    /* initialize static vlc tables for macroblock/block signals */
755 
+    for (i = 0; i < 8; i++) {
756 
+        ff_ivi_create_huff_from_desc(&ff_ivi_mb_huff_desc[i],  &mb_vlc_tabs[i],  1);
757 
+        ff_ivi_create_huff_from_desc(&ff_ivi_blk_huff_desc[i], &blk_vlc_tabs[i], 1);
758 
+    }
759 
+
760 
+    /* copy rvmap tables in our context so we can apply changes to them */
761 
+    memcpy(ctx->rvmap_tabs, ff_ivi_rvmap_tabs, sizeof(ff_ivi_rvmap_tabs));
762 
+
763 
+    /* set the initial picture layout according to the basic profile:
764 
+       there is only one band per plane (no scalability), only one tile (no local decoding)
765 
+       and picture format = YVU9 */
766 
+    ctx->pic_conf.pic_width     = avctx->width;
767 
+    ctx->pic_conf.pic_height    = avctx->height;
768 
+    ctx->pic_conf.chroma_width  = (avctx->width  + 3) >> 2;
769 
+    ctx->pic_conf.chroma_height = (avctx->height + 3) >> 2;
770 
+    ctx->pic_conf.tile_width    = avctx->width;
771 
+    ctx->pic_conf.tile_height   = avctx->height;
772 
+    ctx->pic_conf.luma_bands    = ctx->pic_conf.chroma_bands = 1;
773 
+
774 
+    result = ff_ivi_init_planes(ctx->planes, &ctx->pic_conf);
775 
+    if (result) {
776 
+        av_log(avctx, AV_LOG_ERROR, "Couldn't allocate color planes!\n");
777 
+        return -1;
778 
+    }
779 
+
780 
+    avctx->pix_fmt = PIX_FMT_YUV410P;
781 
+
782 
+    return 0;
783 
+}
784 
+
785 
+
786 
+/**
787 
+ *  main decoder function
788 
+ */
789 
+static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
790 
+                        AVPacket *avpkt)
791 
+{
792 
+    IVI5DecContext  *ctx = avctx->priv_data;
793 
+    const uint8_t   *buf = avpkt->data;
794 
+    int             buf_size = avpkt->size;
795 
+    int             result, p, b;
796 
+
797 
+    init_get_bits(&ctx->gb, buf, buf_size * 8);
798 
+    ctx->frame_data = buf;
799 
+    ctx->frame_size = buf_size;
800 
+
801 
+    result = decode_pic_hdr(ctx, avctx);
802 
+    if (result) {
803 
+        av_log(avctx, AV_LOG_ERROR,
804 
+               "Error while decoding picture header: %d\n", result);
805 
+        return -1;
806 
+    }
807 
+
808 
+    if (ctx->gop_flags & IVI5_IS_PROTECTED) {
809 
+        av_log(avctx, AV_LOG_ERROR, "Password-protected clip!\n");
810 
+        return -1;
811 
+    }
812 
+
813 
+    switch_buffers(ctx, avctx);
814 
+
815 
+    //START_TIMER;
816 
+
817 
+    if (ctx->frame_type == FRAMETYPE_NULL) {
818 
+        ctx->frame_type = ctx->prev_frame_type;
819 
+    } else {
820 
+        for (p = 0; p < 3; p++) {
821 
+            for (b = 0; b < ctx->planes[p].num_bands; b++) {
822 
+                result = decode_band(ctx, p, &ctx->planes[p].bands[b], avctx);
823 
+                if (result) {
824 
+                    av_log(avctx, AV_LOG_ERROR,
825 
+                           "Error while decoding band: %d, plane: %d\n", b, p);
826 
+                    return -1;
827 
+                }
828 
+            }
829 
+        }
830 
+    }
831 
+
832 
+    //STOP_TIMER("decode_planes");
833 
+
834 
+    if (ctx->frame.data[0])
835 
+        avctx->release_buffer(avctx, &ctx->frame);
836 
+
837 
+    ctx->frame.reference = 0;
838 
+    if (avctx->get_buffer(avctx, &ctx->frame) < 0) {
839 
+        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
840 
+        return -1;
841 
+    }
842 
+
843 
+    if (ctx->is_scalable) {
844 
+        ff_ivi_recompose53 (&ctx->planes[0], ctx->frame.data[0], ctx->frame.linesize[0], 4);
845 
+    } else {
846 
+        ff_ivi_output_plane(&ctx->planes[0], ctx->frame.data[0], ctx->frame.linesize[0]);
847 
+    }
848 
+
849 
+    ff_ivi_output_plane(&ctx->planes[2], ctx->frame.data[1], ctx->frame.linesize[1]);
850 
+    ff_ivi_output_plane(&ctx->planes[1], ctx->frame.data[2], ctx->frame.linesize[2]);
851 
+
852 
+    *data_size = sizeof(AVFrame);
853 
+    *(AVFrame*)data = ctx->frame;
854 
+
855 
+    return buf_size;
856 
+}
857 
+
858 
+
859 
+/**
860 
+ *  Closes Indeo5 decoder and cleans up its context.
861 
+ */
862 
+static av_cold int decode_close(AVCodecContext *avctx)
863 
+{
864 
+    IVI5DecContext *ctx = avctx->priv_data;
865 
+
866 
+    ff_ivi_free_buffers(&ctx->planes[0]);
867 
+
868 
+    if (ctx->frame.data[0])
869 
+        avctx->release_buffer(avctx, &ctx->frame);
870 
+
871 
+    return 0;
872 
+}
873 
+
874 
+
875 
+AVCodec indeo5_decoder = {
876 
+    .name           = "indeo5",
877 
+    .type           = CODEC_TYPE_VIDEO,
878 
+    .id             = CODEC_ID_INDEO5,
879 
+    .priv_data_size = sizeof(IVI5DecContext),
880 
+    .init           = decode_init,
881 
+    .close          = decode_close,
882 
+    .decode         = decode_frame,
883 
+    .long_name      = NULL_IF_CONFIG_SMALL("Intel Indeo Video Interactive 5"),
884 
+};
libavcodec/indeo5data.h
History View file @ 5bebe94
0 885 
new file mode 100644
... ... 
@@ -0,0 +1,190 @@
0 
+/*
1 
+ * Indeo Video Interactive 5 compatible decoder
2 
+ * Copyright (c) 2009 Maxim Poliakovski
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 libavcodec/indeo5data.h
23 
+ * This file contains data needed for the Indeo5 decoder.
24 
+ */
25 
+
26 
+#ifndef AVCODEC_INDEO5DATA_H
27 
+#define AVCODEC_INDEO5DATA_H
28 
+
29 
+#include <stdint.h>
30 
+
31 
+/**
32 
+ *  standard picture dimensions (width, height divided by 4)
33 
+ */
34 
+static const uint8_t ivi5_common_pic_sizes[30] = {
35 
+    160, 120, 80, 60, 40, 30, 176, 120, 88, 60, 88, 72, 44, 36, 60, 45, 160, 60,
36 
+    176,  60, 20, 15, 22, 18,   0,   0,  0,  0,  0,  0
37 
+};
38 
+
39 
+/**
40 
+ *  Indeo5 8x8 scan (zigzag) patterns
41 
+ */
42 
+static const uint8_t ivi5_scans8x8[3][64] = {
43 
+    {0,  1,  8, 16,  9,  2,  3, 10, 17, 24, 32, 25, 18, 11,  4,  5,
44 
+    12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13,  6,  7, 14, 21, 28,
45 
+    35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
46 
+    58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
47 
+    },
48 
+    {0,  8, 16, 24, 32, 40, 48, 56,  1,  9, 17, 25, 33, 41, 49, 57,
49 
+     2, 10, 18, 26, 34, 42, 50, 58,  3, 11, 19, 27, 35, 43, 51, 59,
50 
+     4, 12, 20, 28, 36, 44, 52, 60,  5, 13, 21, 29, 37, 45, 53, 61,
51 
+     6, 14, 22, 30, 38, 46, 54, 62,  7, 15, 23, 31, 39, 47, 55, 63
52 
+    },
53 
+    {0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
54 
+    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
55 
+    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
56 
+    48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63
57 
+    }
58 
+};
59 
+
60 
+/**
61 
+ *  Indeo5 4x4 scan (zigzag) pattern
62 
+ */
63 
+static const uint8_t ivi5_scan4x4[16] = {
64 
+    0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
65 
+};
66 
+
67 
+
68 
+/**
69 
+ *  Indeo5 dequantization matrixes consist of two tables: base table
70 
+ *  and scale table. The base table defines the dequantization matrix
71 
+ *  itself and the scale table tells how this matrix should be scaled
72 
+ *  for a particular quant level (0...24).
73 
+ *
74 
+ *  ivi5_base_quant_bbb_ttt  - base  tables for block size 'bbb' of type 'ttt'
75 
+ *  ivi5_scale_quant_bbb_ttt - scale tables for block size 'bbb' of type 'ttt'
76 
+ */
77 
+static const uint8_t ivi5_base_quant_8x8_inter[5][64] = {
78 
+    {0x13, 0x1d, 0x1f, 0x23, 0x25, 0x27, 0x29, 0x2d, 0x1d, 0x1f, 0x21, 0x23, 0x25, 0x27, 0x2b, 0x2f,
79 
+     0x1f, 0x21, 0x23, 0x24, 0x26, 0x29, 0x2d, 0x31, 0x23, 0x23, 0x24, 0x25, 0x27, 0x2b, 0x2f, 0x33,
80 
+     0x25, 0x25, 0x26, 0x27, 0x29, 0x2d, 0x31, 0x35, 0x27, 0x27, 0x29, 0x2b, 0x2d, 0x2f, 0x33, 0x37,
81 
+     0x29, 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x39, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x39, 0x3b
82 
+    },
83 
+    {0x13, 0x1d, 0x1f, 0x23, 0x25, 0x27, 0x29, 0x2d, 0x1d, 0x1f, 0x21, 0x23, 0x25, 0x27, 0x2b, 0x2f,
84 
+     0x1f, 0x21, 0x23, 0x24, 0x26, 0x29, 0x2d, 0x31, 0x23, 0x23, 0x24, 0x25, 0x27, 0x2b, 0x2f, 0x33,
85 
+     0x25, 0x25, 0x26, 0x27, 0x29, 0x2d, 0x31, 0x35, 0x27, 0x27, 0x29, 0x2b, 0x2d, 0x2f, 0x33, 0x37,
86 
+     0x29, 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x39, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x39, 0x3b
87 
+    },
88 
+    {0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61,
89 
+     0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61,
90 
+     0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61,
91 
+     0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61
92 
+    },
93 
+    {0x27, 0x27, 0x27, 0x27, 0x27, 0x27, 0x27, 0x27, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
94 
+     0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a,
95 
+     0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61,
96 
+     0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61
97 
+    },
98 
+    {0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
99 
+     0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
100 
+     0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
101 
+     0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
102 
+    }
103 
+};
104 
+
105 
+static const uint8_t ivi5_base_quant_8x8_intra[5][64] = {
106 
+    {0x0d, 0x17, 0x1b, 0x21, 0x23, 0x25, 0x27, 0x2d, 0x17, 0x19, 0x1f, 0x21, 0x23, 0x27, 0x2b, 0x35,
107 
+     0x1b, 0x1f, 0x1f, 0x22, 0x25, 0x2a, 0x33, 0x39, 0x21, 0x21, 0x22, 0x25, 0x29, 0x31, 0x36, 0x3d,
108 
+     0x23, 0x23, 0x25, 0x29, 0x2f, 0x33, 0x39, 0x47, 0x25, 0x27, 0x2a, 0x31, 0x33, 0x37, 0x43, 0x53,
109 
+     0x27, 0x2b, 0x33, 0x36, 0x39, 0x43, 0x4d, 0x65, 0x2d, 0x35, 0x39, 0x3d, 0x47, 0x53, 0x65, 0x7f
110 
+    },
111 
+    {0x13, 0x1d, 0x1f, 0x23, 0x25, 0x27, 0x29, 0x2d, 0x1d, 0x1f, 0x21, 0x23, 0x25, 0x27, 0x2b, 0x2f,
112 
+     0x1f, 0x21, 0x23, 0x24, 0x26, 0x29, 0x2d, 0x31, 0x23, 0x23, 0x24, 0x25, 0x27, 0x2b, 0x2f, 0x33,
113 
+     0x25, 0x25, 0x26, 0x27, 0x29, 0x2d, 0x31, 0x35, 0x27, 0x27, 0x29, 0x2b, 0x2d, 0x2f, 0x33, 0x37,
114 
+     0x29, 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x39, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x39, 0x3b
115 
+    },
116 
+    {0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61,
117 
+     0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61,
118 
+     0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61,
119 
+     0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61, 0x27, 0x55, 0x79, 0x6a, 0x6f, 0x61, 0x6b, 0x61
120 
+    },
121 
+    {0x27, 0x27, 0x27, 0x27, 0x27, 0x27, 0x27, 0x27, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
122 
+     0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x79, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a,
123 
+     0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61,
124 
+     0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x6b, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61
125 
+    },
126 
+    {0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
127 
+     0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
128 
+     0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
129 
+     0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
130 
+    }
131 
+};
132 
+
133 
+static const uint8_t ivi5_base_quant_4x4_inter[16] = {
134 
+    0x0f, 0x1f, 0x25, 0x29, 0x1f, 0x25, 0x29, 0x2b, 0x25, 0x29, 0x2b, 0x2f, 0x29, 0x2b, 0x2f, 0x33
135 
+};
136 
+
137 
+static const uint8_t ivi5_base_quant_4x4_intra[16] = {
138 
+    0x0f, 0x1f, 0x25, 0x29, 0x1f, 0x25, 0x29, 0x2f, 0x25, 0x29, 0x2f, 0x3d, 0x29, 0x2f, 0x3d, 0x49
139 
+};
140 
+
141 
+
142 
+static const uint8_t ivi5_scale_quant_8x8_inter[5][24] = {
143 
+    {0x0b, 0x11, 0x13, 0x14, 0x15, 0x16, 0x18, 0x1a, 0x1b, 0x1d, 0x20, 0x22,
144 
+     0x23, 0x25, 0x28, 0x2a, 0x2e, 0x32, 0x35, 0x39, 0x3d, 0x41, 0x44, 0x4a,
145 
+    },
146 
+    {0x07, 0x14, 0x16, 0x18, 0x1b, 0x1e, 0x22, 0x25, 0x29, 0x2d, 0x31, 0x35,
147 
+     0x3a, 0x3f, 0x44, 0x4a, 0x50, 0x56, 0x5c, 0x63, 0x6a, 0x71, 0x78, 0x7e,
148 
+    },
149 
+    {0x15, 0x25, 0x28, 0x2d, 0x30, 0x34, 0x3a, 0x3d, 0x42, 0x48, 0x4c, 0x51,
150 
+     0x56, 0x5b, 0x60, 0x65, 0x6b, 0x70, 0x76, 0x7c, 0x82, 0x88, 0x8f, 0x97,
151 
+    },
152 
+    {0x13, 0x1f, 0x20, 0x22, 0x25, 0x28, 0x2b, 0x2d, 0x30, 0x33, 0x36, 0x39,
153 
+     0x3c, 0x3f, 0x42, 0x45, 0x48, 0x4b, 0x4e, 0x52, 0x56, 0x5a, 0x5e, 0x62,
154 
+    },
155 
+    {0x3c, 0x52, 0x58, 0x5d, 0x63, 0x68, 0x68, 0x6d, 0x73, 0x78, 0x7c, 0x80,
156 
+     0x84, 0x89, 0x8e, 0x93, 0x98, 0x9d, 0xa3, 0xa9, 0xad, 0xb1, 0xb5, 0xba,
157 
+    },
158 
+};
159 
+
160 
+static const uint8_t ivi5_scale_quant_8x8_intra[5][24] = {
161 
+    {0x0b, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x17, 0x18, 0x1a, 0x1c, 0x1e, 0x20,
162 
+     0x22, 0x24, 0x27, 0x28, 0x2a, 0x2d, 0x2f, 0x31, 0x34, 0x37, 0x39, 0x3c,
163 
+    },
164 
+    {0x01, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1b, 0x1e, 0x22, 0x25, 0x28, 0x2c,
165 
+     0x30, 0x34, 0x38, 0x3d, 0x42, 0x47, 0x4c, 0x52, 0x58, 0x5e, 0x65, 0x6c,
166 
+    },
167 
+    {0x13, 0x22, 0x27, 0x2a, 0x2d, 0x33, 0x36, 0x3c, 0x41, 0x45, 0x49, 0x4e,
168 
+     0x53, 0x58, 0x5d, 0x63, 0x69, 0x6f, 0x75, 0x7c, 0x82, 0x88, 0x8e, 0x95,
169 
+    },
170 
+    {0x13, 0x1f, 0x21, 0x24, 0x27, 0x29, 0x2d, 0x2f, 0x34, 0x37, 0x3a, 0x3d,
171 
+     0x40, 0x44, 0x48, 0x4c, 0x4f, 0x52, 0x56, 0x5a, 0x5e, 0x62, 0x66, 0x6b,
172 
+    },
173 
+    {0x31, 0x42, 0x47, 0x47, 0x4d, 0x52, 0x58, 0x58, 0x5d, 0x63, 0x67, 0x6b,
174 
+     0x6f, 0x73, 0x78, 0x7c, 0x80, 0x84, 0x89, 0x8e, 0x93, 0x98, 0x9d, 0xa4,
175 
+    }
176 
+};
177 
+
178 
+static const uint8_t ivi5_scale_quant_4x4_inter[24] = {
179 
+    0x0b, 0x0d, 0x0d, 0x0e, 0x11, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
180 
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
181 
+};
182 
+
183 
+static const uint8_t ivi5_scale_quant_4x4_intra[24] = {
184 
+    0x01, 0x0b, 0x0b, 0x0d, 0x0d, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x13, 0x14,
185 
+    0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20
186 
+};
187 
+
188 
+
189 
+#endif /* AVCODEC_INDEO5DATA_H */