libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2025-01-31 16:03:24 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

IMAGE: Implemented Indeo5 decoder

Browse Source
This commit is contained in:
Paul Gilbert 2016-09-10 14:31:19 -04:00
parent bd010bc79f
commit fe6d624277
7 changed files with 907 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
image/codecs/codec.cpp
View File

@ -31,6 +31,7 @@
#include "image/codecs/cinepak.h"
#include "image/codecs/indeo3.h"
#include "image/codecs/indeo4.h"
#include "image/codecs/indeo5.h"
#include "image/codecs/mjpeg.h"
#include "image/codecs/mpeg.h"
#include "image/codecs/msvideo1.h"
@ -213,6 +214,8 @@ Codec *createBitmapCodec(uint32 tag, int width, int height, int bitsPerPixel) {
case MKTAG('I', 'V', '4', '1'):
case MKTAG('I', 'V', '4', '2'):
return new Indeo4Decoder(width, height);
case MKTAG('I', 'V', '5', '0'):
return new Indeo5Decoder(width, height);
#ifdef IMAGE_CODECS_TRUEMOTION1_H
case MKTAG('D','U','C','K'):
case MKTAG('d','u','c','k'):

2
image/codecs/indeo/get_bits.h
View File

@ -22,7 +22,7 @@
#include "common/scummsys.h"
/* Intel Indeo 4 bitstream reader
/* Indeo 4 & 5 bitstream reader
*
* Original copyright note:
* Copyright (c) 2004 Michael Niedermayer

7
image/codecs/indeo/indeo.cpp
View File

@ -83,13 +83,6 @@ static const IVIHuffDesc ivi_blk_huff_desc[8] = {
*/
#define IVI_NUM_TILES(stride, tile_size) (((stride) + (tile_size) - 1) / (tile_size))
/**
* calculate number of macroblocks in a tile
*/
#define IVI_MBs_PER_TILE(tile_width, tile_height, mb_size) \
((((tile_width) + (mb_size) - 1) / (mb_size)) * (((tile_height) + (mb_size) - 1) / (mb_size)))
/*------------------------------------------------------------------------*/
int IVIHuffDesc::ivi_create_huff_from_desc(VLC *vlc, int flag) const {

6
image/codecs/indeo/indeo.h
View File

@ -80,6 +80,12 @@ typedef void(*ivi_mc_avg_func) (int16 *buf, const int16 *ref_buf1,
*/
#define IVI_TOSIGNED(val) (-(((val) >> 1) ^ -((val) & 1)))
/**
* calculate number of macroblocks in a tile
*/
#define IVI_MBs_PER_TILE(tile_width, tile_height, mb_size) \
((((tile_width) + (mb_size) - 1) / (mb_size)) * (((tile_height) + (mb_size) - 1) / (mb_size)))
/**
* huffman codebook descriptor
*/

750
image/codecs/indeo5.cpp Normal file
View File

@ -0,0 +1,750 @@
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
/* Intel Indeo 5 decompressor, derived from ffmpeg.
*
* Original copyright note: * Intel Indeo 3 (IV41, IV42, etc.) video decoder for ffmpeg
* written, produced, and directed by Alan Smithee
*/
#include "common/endian.h"
#include "common/stream.h"
#include "common/textconsole.h"
#include "common/util.h"
#include "graphics/yuv_to_rgb.h"
#include "image/codecs/indeo5.h"
#include "image/codecs/indeo/mem.h"
namespace Image {
/**
* Indeo5 frame types.
*/
enum {
FRAMETYPE_INTRA = 0,
FRAMETYPE_INTER = 1, ///< non-droppable P-frame
FRAMETYPE_INTER_SCAL = 2, ///< droppable P-frame used in the scalability mode
FRAMETYPE_INTER_NOREF = 3, ///< droppable P-frame
FRAMETYPE_NULL = 4 ///< empty frame with no data
};
#define IVI5_PIC_SIZE_ESC 15
Indeo5Decoder::Indeo5Decoder(uint16 width, uint16 height) : IndeoDecoderBase(width, height) {
_ctx.is_indeo4 = true;
_ctx.ref_buf = 1;
_ctx.b_ref_buf = 3;
_ctx.p_frame = new AVFrame();
}
bool Indeo5Decoder::isIndeo5(Common::SeekableReadStream &stream) {
// Less than 16 bytes? This can't be right
if (stream.size() < 16)
return false;
// Read in the start of the data
byte buffer[16];
stream.read(buffer, 16);
stream.seek(-16, SEEK_CUR);
// Validate the first 5-bit word has the correct identifier
Indeo::GetBits gb(buffer, 16 * 8);
bool isIndeo5 = gb.getBits(5) == 0x1F;
return isIndeo5;
}
const Graphics::Surface *Indeo5Decoder::decodeFrame(Common::SeekableReadStream &stream) {
// Not Indeo 5? Fail
if (!isIndeo5(stream))
return nullptr;
// Set up the frame data buffer
byte *frameData = new byte[stream.size()];
stream.read(frameData, stream.size());
_ctx.frame_data = frameData;
_ctx.frame_size = stream.size();
// Set up the GetBits instance for reading the data
_ctx.gb = new GetBits(_ctx.frame_data, _ctx.frame_size * 8);
// Decode the frame
int err = decodeIndeoFrame();
// Free the bit reader and frame buffer
delete _ctx.gb;
_ctx.gb = nullptr;
delete[] frameData;
_ctx.frame_data = nullptr;
_ctx.frame_size = 0;
return (err < 0) ? nullptr : &_surface->rawSurface();
}
int Indeo5Decoder::decodePictureHeader() {
int pic_size_indx, i, p;
IVIPicConfig pic_conf;
int ret;
if (_ctx.gb->getBits(5) != 0x1F) {
warning("Invalid picture start code!");
return -1;
}
_ctx.prev_frame_type = _ctx.frame_type;
_ctx.frame_type = _ctx.gb->getBits(3);
if (_ctx.frame_type >= 5) {
warning("Invalid frame type: %d", _ctx.frame_type);
return -1;
}
_ctx.frame_num = _ctx.gb->getBits(8);
if (_ctx.frame_type == FRAMETYPE_INTRA) {
if ((ret = decode_gop_header()) < 0) {
warning("Invalid GOP header, skipping frames.");
_ctx.gop_invalid = 1;
return ret;
}
_ctx.gop_invalid = 0;
}
if (_ctx.frame_type == FRAMETYPE_INTER_SCAL && !_ctx.is_scalable) {
warning("Scalable inter frame in non scalable stream");
_ctx.frame_type = FRAMETYPE_INTER;
return -1;
}
if (_ctx.frame_type != FRAMETYPE_NULL) {
_ctx.frame_flags = _ctx.gb->getBits(8);
_ctx.pic_hdr_size = (_ctx.frame_flags & 1) ? _ctx.gb->getBitsLong(24) : 0;
_ctx.checksum = (_ctx.frame_flags & 0x10) ? _ctx.gb->getBits(16) : 0;
// skip unknown extension if any
if (_ctx.frame_flags & 0x20)
skip_hdr_extension(); // XXX: untested
// decode macroblock huffman codebook
ret = _ctx.mb_vlc.ff_ivi_dec_huff_desc(&_ctx, _ctx.frame_flags & 0x40,
IVI_MB_HUFF);
if (ret < 0)
return ret;
_ctx.gb->skipBits(3); // FIXME: unknown meaning!
}
_ctx.gb->alignGetBits();
return 0;
}
void Indeo5Decoder::switch_buffers() {
switch (_ctx.prev_frame_type) {
case FRAMETYPE_INTRA:
case FRAMETYPE_INTER:
_ctx.buf_switch ^= 1;
_ctx.dst_buf = _ctx.buf_switch;
_ctx.ref_buf = _ctx.buf_switch ^ 1;
break;
case FRAMETYPE_INTER_SCAL:
if (!_ctx.inter_scal) {
_ctx.ref2_buf = 2;
_ctx.inter_scal = 1;
}
FFSWAP(int, _ctx.dst_buf, _ctx.ref2_buf);
_ctx.ref_buf = _ctx.ref2_buf;
break;
case FRAMETYPE_INTER_NOREF:
break;
}
switch (_ctx.frame_type) {
case FRAMETYPE_INTRA:
_ctx.buf_switch = 0;
// FALLTHROUGH
case FRAMETYPE_INTER:
_ctx.inter_scal = 0;
_ctx.dst_buf = _ctx.buf_switch;
_ctx.ref_buf = _ctx.buf_switch ^ 1;
break;
case FRAMETYPE_INTER_SCAL:
case FRAMETYPE_INTER_NOREF:
case FRAMETYPE_NULL:
break;
}
}
bool Indeo5Decoder::is_nonnull_frame() const {
return _ctx.frame_type != FRAMETYPE_NULL;
}
int Indeo5Decoder::decode_band_hdr(IVIBandDesc *band) {
int i, ret;
uint8 band_flags;
band_flags = _ctx.gb->getBits(8);
if (band_flags & 1) {
band->is_empty = 1;
return 0;
}
band->data_size = (_ctx.frame_flags & 0x80) ? _ctx.gb->getBitsLong(24) : 0;
band->inherit_mv = band_flags & 2;
band->inherit_qdelta = band_flags & 8;
band->qdelta_present = band_flags & 4;
if (!band->qdelta_present) band->inherit_qdelta = 1;
// decode rvmap probability corrections if any
band->num_corr = 0; // there are no corrections
if (band_flags & 0x10) {
band->num_corr = _ctx.gb->getBits(8); // get number of correction pairs
if (band->num_corr > 61) {
warning("Too many corrections: %d", band->num_corr);
return -1;
}
// read correction pairs
for (i = 0; i < band->num_corr * 2; i++)
band->corr[i] = _ctx.gb->getBits(8);
}
// select appropriate rvmap table for this band
band->rvmap_sel = (band_flags & 0x40) ? _ctx.gb->getBits(3) : 8;
// decode block huffman codebook
ret = band->blk_vlc.ff_ivi_dec_huff_desc(&_ctx, band_flags & 0x80, IVI_BLK_HUFF);
if (ret < 0)
return ret;
band->checksum_present = _ctx.gb->getBits1();
if (band->checksum_present)
band->checksum = _ctx.gb->getBits(16);
band->glob_quant = _ctx.gb->getBits(5);
// skip unknown extension if any
if (band_flags & 0x20) { // XXX: untested
_ctx.gb->alignGetBits();
skip_hdr_extension();
}
_ctx.gb->alignGetBits();
return 0;
}
int Indeo5Decoder::decode_mb_info(IVIBandDesc *band, IVITile *tile) {
int x, y, mv_x, mv_y, mv_delta, offs, mb_offset,
mv_scale, blks_per_mb, s;
IVIMbInfo *mb, *ref_mb;
int row_offset = band->mb_size * band->pitch;
mb = tile->mbs;
ref_mb = tile->ref_mbs;
offs = tile->ypos * band->pitch + tile->xpos;
if (!ref_mb &&
((band->qdelta_present && band->inherit_qdelta) || band->inherit_mv))
return -1;
if (tile->num_MBs != IVI_MBs_PER_TILE(tile->width, tile->height, band->mb_size)) {
warning("Allocated tile size %d mismatches parameters %d",
tile->num_MBs, IVI_MBs_PER_TILE(tile->width, tile->height, band->mb_size));
return -1;
}
// scale factor for motion vectors
mv_scale = (_ctx.planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3);
mv_x = mv_y = 0;
for (y = tile->ypos; y < (tile->ypos + tile->height); y += band->mb_size) {
mb_offset = offs;
for (x = tile->xpos; x < (tile->xpos + tile->width); x += band->mb_size) {
mb->xpos = x;
mb->ypos = y;
mb->buf_offs = mb_offset;
if (_ctx.gb->getBits1()) {
if (_ctx.frame_type == FRAMETYPE_INTRA) {
warning("Empty macroblock in an INTRA picture!");
return -1;
}
mb->type = 1; // empty macroblocks are always INTER
mb->cbp = 0; // all blocks are empty
mb->q_delta = 0;
if (!band->plane && !band->band_num && (_ctx.frame_flags & 8)) {
mb->q_delta = _ctx.gb->getVLC2(_ctx.mb_vlc.tab->_table, IVI_VLC_BITS, 1);
mb->q_delta = IVI_TOSIGNED(mb->q_delta);
}
mb->mv_x = mb->mv_y = 0; // no motion vector coded
if (band->inherit_mv && ref_mb) {
// motion vector inheritance
if (mv_scale) {
mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale);
} else {
mb->mv_x = ref_mb->mv_x;
mb->mv_y = ref_mb->mv_y;
}
}
} else {
if (band->inherit_mv && ref_mb) {
mb->type = ref_mb->type; // copy mb_type from corresponding reference mb
} else if (_ctx.frame_type == FRAMETYPE_INTRA) {
mb->type = 0; // mb_type is always INTRA for intra-frames
} else {
mb->type = _ctx.gb->getBits1();
}
blks_per_mb = band->mb_size != band->blk_size ? 4 : 1;
mb->cbp = _ctx.gb->getBits(blks_per_mb);
mb->q_delta = 0;
if (band->qdelta_present) {
if (band->inherit_qdelta) {
if (ref_mb) mb->q_delta = ref_mb->q_delta;
} else if (mb->cbp || (!band->plane && !band->band_num &&
(_ctx.frame_flags & 8))) {
mb->q_delta = _ctx.gb->getVLC2(_ctx.mb_vlc.tab->_table, IVI_VLC_BITS, 1);
mb->q_delta = IVI_TOSIGNED(mb->q_delta);
}
}
if (!mb->type) {
mb->mv_x = mb->mv_y = 0; // there is no motion vector in intra-macroblocks
} else {
if (band->inherit_mv && ref_mb) {
// motion vector inheritance
if (mv_scale) {
mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale);
} else {
mb->mv_x = ref_mb->mv_x;
mb->mv_y = ref_mb->mv_y;
}
} else {
// decode motion vector deltas
mv_delta = _ctx.gb->getVLC2(_ctx.mb_vlc.tab->_table, IVI_VLC_BITS, 1);
mv_y += IVI_TOSIGNED(mv_delta);
mv_delta = _ctx.gb->getVLC2(_ctx.mb_vlc.tab->_table, IVI_VLC_BITS, 1);
mv_x += IVI_TOSIGNED(mv_delta);
mb->mv_x = mv_x;
mb->mv_y = mv_y;
}
}
}
s = band->is_halfpel;
if (mb->type)
if (x + (mb->mv_x >> s) + (y + (mb->mv_y >> s))*band->pitch < 0 ||
x + ((mb->mv_x + s) >> s) + band->mb_size - 1
+ (y + band->mb_size - 1 + ((mb->mv_y + s) >> s))*band->pitch > band->bufsize - 1) {
warning("motion vector %d %d outside reference", x*s + mb->mv_x, y*s + mb->mv_y);
return -1;
}
mb++;
if (ref_mb)
ref_mb++;
mb_offset += band->mb_size;
}
offs += row_offset;
}
_ctx.gb->alignGetBits();
return 0;
}
int Indeo5Decoder::decode_gop_header() {
int result, i, p, tile_size, pic_size_indx, mb_size, blk_size, is_scalable;
int quant_mat, blk_size_changed = 0;
IVIBandDesc *band, *band1, *band2;
IVIPicConfig pic_conf;
_ctx.gop_flags = _ctx.gb->getBits(8);
_ctx.gop_hdr_size = (_ctx.gop_flags & 1) ? _ctx.gb->getBits(16) : 0;
if (_ctx.gop_flags & IVI5_IS_PROTECTED)
_ctx.lock_word = _ctx.gb->getBitsLong(32);
tile_size = (_ctx.gop_flags & 0x40) ? 64 << _ctx.gb->getBits(2) : 0;
if (tile_size > 256) {
warning("Invalid tile size: %d", tile_size);
return -1;
}
// decode number of wavelet bands
// num_levels * 3 + 1
pic_conf.luma_bands = _ctx.gb->getBits(2) * 3 + 1;
pic_conf.chroma_bands = _ctx.gb->getBits1() * 3 + 1;
is_scalable = pic_conf.luma_bands != 1 || pic_conf.chroma_bands != 1;
if (is_scalable && (pic_conf.luma_bands != 4 || pic_conf.chroma_bands != 1)) {
warning("Scalability: unsupported subdivision! Luma bands: %d, chroma bands: %d",
pic_conf.luma_bands, pic_conf.chroma_bands);
return -1;
}
pic_size_indx = _ctx.gb->getBits(4);
if (pic_size_indx == IVI5_PIC_SIZE_ESC) {
pic_conf.pic_height = _ctx.gb->getBits(13);
pic_conf.pic_width = _ctx.gb->getBits(13);
} else {
pic_conf.pic_height = _ivi5_common_pic_sizes[pic_size_indx * 2 + 1] << 2;
pic_conf.pic_width = _ivi5_common_pic_sizes[pic_size_indx * 2] << 2;
}
if (_ctx.gop_flags & 2) {
warning("YV12 picture format");
return -2;
}
pic_conf.chroma_height = (pic_conf.pic_height + 3) >> 2;
pic_conf.chroma_width = (pic_conf.pic_width + 3) >> 2;
if (!tile_size) {
pic_conf.tile_height = pic_conf.pic_height;
pic_conf.tile_width = pic_conf.pic_width;
} else {
pic_conf.tile_height = pic_conf.tile_width = tile_size;
}
// check if picture layout was changed and reallocate buffers
if (pic_conf.ivi_pic_config_cmp(_ctx.pic_conf) || _ctx.gop_invalid) {
result = IVIPlaneDesc::ff_ivi_init_planes(_ctx.planes, &pic_conf, 0);
if (result < 0) {
warning("Couldn't reallocate color planes!");
return result;
}
_ctx.pic_conf = pic_conf;
_ctx.is_scalable = is_scalable;
blk_size_changed = 1; // force reallocation of the internal structures
}
for (p = 0; p <= 1; p++) {
for (i = 0; i < (!p ? pic_conf.luma_bands : pic_conf.chroma_bands); i++) {
band = &_ctx.planes[p].bands[i];
band->is_halfpel = _ctx.gb->getBits1();
mb_size = _ctx.gb->getBits1();
blk_size = 8 >> _ctx.gb->getBits1();
mb_size = blk_size << !mb_size;
if (p == 0 && blk_size == 4) {
warning("4x4 luma blocks are unsupported!");
return -2;
}
blk_size_changed = mb_size != band->mb_size || blk_size != band->blk_size;
if (blk_size_changed) {
band->mb_size = mb_size;
band->blk_size = blk_size;
}
if (_ctx.gb->getBits1()) {
warning("Extended transform info");
return -2;
}
// select transform function and scan pattern according to plane and band number
switch ((p << 2) + i) {
case 0:
band->inv_transform = IndeoDSP::ff_ivi_inverse_slant_8x8;
band->dc_transform = IndeoDSP::ff_ivi_dc_slant_2d;
band->scan = ff_zigzag_direct;
band->transform_size = 8;
break;
case 1:
band->inv_transform = IndeoDSP::ff_ivi_row_slant8;
band->dc_transform = IndeoDSP::ff_ivi_dc_row_slant;
band->scan = _ff_ivi_vertical_scan_8x8;
band->transform_size = 8;
break;
case 2:
band->inv_transform = IndeoDSP::ff_ivi_col_slant8;
band->dc_transform = IndeoDSP::ff_ivi_dc_col_slant;
band->scan = _ff_ivi_horizontal_scan_8x8;
band->transform_size = 8;
break;
case 3:
band->inv_transform = IndeoDSP::ff_ivi_put_pixels_8x8;
band->dc_transform = IndeoDSP::ff_ivi_put_dc_pixel_8x8;
band->scan = _ff_ivi_horizontal_scan_8x8;
band->transform_size = 8;
break;
case 4:
band->inv_transform = IndeoDSP::ff_ivi_inverse_slant_4x4;
band->dc_transform = IndeoDSP::ff_ivi_dc_slant_2d;
band->scan = _ff_ivi_direct_scan_4x4;
band->transform_size = 4;
break;
}
band->is_2d_trans = band->inv_transform == IndeoDSP::ff_ivi_inverse_slant_8x8 ||
band->inv_transform == IndeoDSP::ff_ivi_inverse_slant_4x4;
if (band->transform_size != band->blk_size) {
warning("transform and block size mismatch (%d != %d)", band->transform_size, band->blk_size);
return -1;
}
// select dequant matrix according to plane and band number
if (!p) {
quant_mat = (pic_conf.luma_bands > 1) ? i + 1 : 0;
} else {
quant_mat = 5;
}
if (band->blk_size == 8) {
if (quant_mat >= 5) {
warning("quant_mat %d too large!", quant_mat);
return -1;
}
band->intra_base = &_ivi5_base_quant_8x8_intra[quant_mat][0];
band->inter_base = &_ivi5_base_quant_8x8_inter[quant_mat][0];
band->intra_scale = &_ivi5_scale_quant_8x8_intra[quant_mat][0];
band->inter_scale = &_ivi5_scale_quant_8x8_inter[quant_mat][0];
} else {
band->intra_base = _ivi5_base_quant_4x4_intra;
band->inter_base = _ivi5_base_quant_4x4_inter;
band->intra_scale = _ivi5_scale_quant_4x4_intra;
band->inter_scale = _ivi5_scale_quant_4x4_inter;
}
if (_ctx.gb->getBits(2)) {
warning("End marker missing!");
return -1;
}
}
}
// copy chroma parameters into the 2nd chroma plane
for (i = 0; i < pic_conf.chroma_bands; i++) {
band1 = &_ctx.planes[1].bands[i];
band2 = &_ctx.planes[2].bands[i];
band2->width = band1->width;
band2->height = band1->height;
band2->mb_size = band1->mb_size;
band2->blk_size = band1->blk_size;
band2->is_halfpel = band1->is_halfpel;
band2->intra_base = band1->intra_base;
band2->inter_base = band1->inter_base;
band2->intra_scale = band1->intra_scale;
band2->inter_scale = band1->inter_scale;
band2->scan = band1->scan;
band2->inv_transform = band1->inv_transform;
band2->dc_transform = band1->dc_transform;
band2->is_2d_trans = band1->is_2d_trans;
band2->transform_size = band1->transform_size;
}
// reallocate internal structures if needed
if (blk_size_changed) {
result = IVIPlaneDesc::ff_ivi_init_tiles(_ctx.planes, pic_conf.tile_width,
pic_conf.tile_height);
if (result < 0) {
warning("Couldn't reallocate internal structures!");
return result;
}
}
if (_ctx.gop_flags & 8) {
if (_ctx.gb->getBits(3)) {
warning("Alignment bits are not zero!");
return -1;
}
if (_ctx.gb->getBits1())
_ctx.gb->skipBitsLong(24); // skip transparency fill color
}
_ctx.gb->alignGetBits();
_ctx.gb->skipBits(23); // FIXME: unknown meaning
// skip GOP extension if any
if (_ctx.gb->getBits1()) {
do {
i = _ctx.gb->getBits(16);
} while (i & 0x8000);
}
_ctx.gb->alignGetBits();
return 0;
}
int Indeo5Decoder::skip_hdr_extension() {
int i, len;
do {
len = _ctx.gb->getBits(8);
if (8 * len > _ctx.gb->getBitsLeft())
return -1;
for (i = 0; i < len; i++)
_ctx.gb->skipBits(8);
} while (len);
return 0;
}
/*------------------------------------------------------------------------*/
const uint8 Indeo5Decoder::_ivi5_common_pic_sizes[30] = {
160, 120, 80, 60, 40, 30, 176, 120, 88, 60, 88, 72, 44, 36, 60, 45, 160, 60,
176, 60, 20, 15, 22, 18, 0, 0, 0, 0, 0, 0
};
const uint8 Indeo5Decoder::ivi5_common_pic_sizes[30] = {
160, 120, 80, 60, 40, 30, 176, 120, 88, 60, 88, 72, 44, 36, 60, 45, 160, 60,
176, 60, 20, 15, 22, 18, 0, 0, 0, 0, 0, 0
};
const uint16 Indeo5Decoder::_ivi5_base_quant_8x8_inter[5][64] = {
{0x26, 0x3a, 0x3e, 0x46, 0x4a, 0x4e, 0x52, 0x5a, 0x3a, 0x3e, 0x42, 0x46, 0x4a, 0x4e, 0x56, 0x5e,
0x3e, 0x42, 0x46, 0x48, 0x4c, 0x52, 0x5a, 0x62, 0x46, 0x46, 0x48, 0x4a, 0x4e, 0x56, 0x5e, 0x66,
0x4a, 0x4a, 0x4c, 0x4e, 0x52, 0x5a, 0x62, 0x6a, 0x4e, 0x4e, 0x52, 0x56, 0x5a, 0x5e, 0x66, 0x6e,
0x52, 0x56, 0x5a, 0x5e, 0x62, 0x66, 0x6a, 0x72, 0x5a, 0x5e, 0x62, 0x66, 0x6a, 0x6e, 0x72, 0x76,
},
{0x26, 0x3a, 0x3e, 0x46, 0x4a, 0x4e, 0x52, 0x5a, 0x3a, 0x3e, 0x42, 0x46, 0x4a, 0x4e, 0x56, 0x5e,
0x3e, 0x42, 0x46, 0x48, 0x4c, 0x52, 0x5a, 0x62, 0x46, 0x46, 0x48, 0x4a, 0x4e, 0x56, 0x5e, 0x66,
0x4a, 0x4a, 0x4c, 0x4e, 0x52, 0x5a, 0x62, 0x6a, 0x4e, 0x4e, 0x52, 0x56, 0x5a, 0x5e, 0x66, 0x6e,
0x52, 0x56, 0x5a, 0x5e, 0x62, 0x66, 0x6a, 0x72, 0x5a, 0x5e, 0x62, 0x66, 0x6a, 0x6e, 0x72, 0x76,
},
{0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
},
{0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4,
0xde, 0xde, 0xde, 0xde, 0xde, 0xde, 0xde, 0xde, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2,
0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2,
},
{0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
}
};
const uint16 Indeo5Decoder::_ivi5_base_quant_8x8_intra[5][64] = {
{0x1a, 0x2e, 0x36, 0x42, 0x46, 0x4a, 0x4e, 0x5a, 0x2e, 0x32, 0x3e, 0x42, 0x46, 0x4e, 0x56, 0x6a,
0x36, 0x3e, 0x3e, 0x44, 0x4a, 0x54, 0x66, 0x72, 0x42, 0x42, 0x44, 0x4a, 0x52, 0x62, 0x6c, 0x7a,
0x46, 0x46, 0x4a, 0x52, 0x5e, 0x66, 0x72, 0x8e, 0x4a, 0x4e, 0x54, 0x62, 0x66, 0x6e, 0x86, 0xa6,
0x4e, 0x56, 0x66, 0x6c, 0x72, 0x86, 0x9a, 0xca, 0x5a, 0x6a, 0x72, 0x7a, 0x8e, 0xa6, 0xca, 0xfe,
},
{0x26, 0x3a, 0x3e, 0x46, 0x4a, 0x4e, 0x52, 0x5a, 0x3a, 0x3e, 0x42, 0x46, 0x4a, 0x4e, 0x56, 0x5e,
0x3e, 0x42, 0x46, 0x48, 0x4c, 0x52, 0x5a, 0x62, 0x46, 0x46, 0x48, 0x4a, 0x4e, 0x56, 0x5e, 0x66,
0x4a, 0x4a, 0x4c, 0x4e, 0x52, 0x5a, 0x62, 0x6a, 0x4e, 0x4e, 0x52, 0x56, 0x5a, 0x5e, 0x66, 0x6e,
0x52, 0x56, 0x5a, 0x5e, 0x62, 0x66, 0x6a, 0x72, 0x5a, 0x5e, 0x62, 0x66, 0x6a, 0x6e, 0x72, 0x76,
},
{0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2, 0x4e, 0xaa, 0xf2, 0xd4, 0xde, 0xc2, 0xd6, 0xc2,
},
{0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0x4e, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4, 0xd4,
0xde, 0xde, 0xde, 0xde, 0xde, 0xde, 0xde, 0xde, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2,
0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xd6, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2, 0xc2,
},
{0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e, 0x5e,
}
};
const uint16 Indeo5Decoder::_ivi5_base_quant_4x4_inter[16] = {
0x1e, 0x3e, 0x4a, 0x52, 0x3e, 0x4a, 0x52, 0x56, 0x4a, 0x52, 0x56, 0x5e, 0x52, 0x56, 0x5e, 0x66
};
const uint16 Indeo5Decoder::_ivi5_base_quant_4x4_intra[16] = {
0x1e, 0x3e, 0x4a, 0x52, 0x3e, 0x4a, 0x52, 0x5e, 0x4a, 0x52, 0x5e, 0x7a, 0x52, 0x5e, 0x7a, 0x92
};
const uint8 Indeo5Decoder::_ivi5_scale_quant_8x8_inter[5][24] = {
{0x0b, 0x11, 0x13, 0x14, 0x15, 0x16, 0x18, 0x1a, 0x1b, 0x1d, 0x20, 0x22,
0x23, 0x25, 0x28, 0x2a, 0x2e, 0x32, 0x35, 0x39, 0x3d, 0x41, 0x44, 0x4a,
},
{0x07, 0x14, 0x16, 0x18, 0x1b, 0x1e, 0x22, 0x25, 0x29, 0x2d, 0x31, 0x35,
0x3a, 0x3f, 0x44, 0x4a, 0x50, 0x56, 0x5c, 0x63, 0x6a, 0x71, 0x78, 0x7e,
},
{0x15, 0x25, 0x28, 0x2d, 0x30, 0x34, 0x3a, 0x3d, 0x42, 0x48, 0x4c, 0x51,
0x56, 0x5b, 0x60, 0x65, 0x6b, 0x70, 0x76, 0x7c, 0x82, 0x88, 0x8f, 0x97,
},
{0x13, 0x1f, 0x20, 0x22, 0x25, 0x28, 0x2b, 0x2d, 0x30, 0x33, 0x36, 0x39,
0x3c, 0x3f, 0x42, 0x45, 0x48, 0x4b, 0x4e, 0x52, 0x56, 0x5a, 0x5e, 0x62,
},
{0x3c, 0x52, 0x58, 0x5d, 0x63, 0x68, 0x68, 0x6d, 0x73, 0x78, 0x7c, 0x80,
0x84, 0x89, 0x8e, 0x93, 0x98, 0x9d, 0xa3, 0xa9, 0xad, 0xb1, 0xb5, 0xba,
},
};
const uint8 Indeo5Decoder::_ivi5_scale_quant_8x8_intra[5][24] = {
{0x0b, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x17, 0x18, 0x1a, 0x1c, 0x1e, 0x20,
0x22, 0x24, 0x27, 0x28, 0x2a, 0x2d, 0x2f, 0x31, 0x34, 0x37, 0x39, 0x3c,
},
{0x01, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1b, 0x1e, 0x22, 0x25, 0x28, 0x2c,
0x30, 0x34, 0x38, 0x3d, 0x42, 0x47, 0x4c, 0x52, 0x58, 0x5e, 0x65, 0x6c,
},
{0x13, 0x22, 0x27, 0x2a, 0x2d, 0x33, 0x36, 0x3c, 0x41, 0x45, 0x49, 0x4e,
0x53, 0x58, 0x5d, 0x63, 0x69, 0x6f, 0x75, 0x7c, 0x82, 0x88, 0x8e, 0x95,
},
{0x13, 0x1f, 0x21, 0x24, 0x27, 0x29, 0x2d, 0x2f, 0x34, 0x37, 0x3a, 0x3d,
0x40, 0x44, 0x48, 0x4c, 0x4f, 0x52, 0x56, 0x5a, 0x5e, 0x62, 0x66, 0x6b,
},
{0x31, 0x42, 0x47, 0x47, 0x4d, 0x52, 0x58, 0x58, 0x5d, 0x63, 0x67, 0x6b,
0x6f, 0x73, 0x78, 0x7c, 0x80, 0x84, 0x89, 0x8e, 0x93, 0x98, 0x9d, 0xa4,
}
};
const uint8 Indeo5Decoder::_ivi5_scale_quant_4x4_inter[24] = {
0x0b, 0x0d, 0x0d, 0x0e, 0x11, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
};
const uint8 Indeo5Decoder::_ivi5_scale_quant_4x4_intra[24] = {
0x01, 0x0b, 0x0b, 0x0d, 0x0d, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x13, 0x14,
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20
};
} // End of namespace Image

146
image/codecs/indeo5.h Normal file
View File

@ -0,0 +1,146 @@
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
#include "image/codecs/indeo/get_bits.h"
/* Intel Indeo 4 decompressor, derived from ffmpeg.
*
* Original copyright note:
* Intel Indeo 4 (IV31, IV32, etc.) video decoder for ffmpeg
* written, produced, and directed by Alan Smithee
*/
#ifndef IMAGE_CODECS_INDEO5_H
#define IMAGE_CODECS_INDEO5_H
#include "image/codecs/indeo/get_bits.h"
#include "image/codecs/indeo/indeo.h"
#include "image/codecs/indeo/indeo_dsp.h"
#include "graphics/managed_surface.h"
namespace Image {
using namespace Indeo;
/**
* Intel Indeo 5 decoder.
*
* Used by AVI.
*
* Used in video:
* - AVIDecoder
*/
class Indeo5Decoder : public IndeoDecoderBase {
struct Transform {
InvTransformPtr *inv_trans;
DCTransformPtr *dc_trans;
int is_2d_trans;
};
public:
Indeo5Decoder(uint16 width, uint16 height);
virtual ~Indeo5Decoder() {}
virtual const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream);
static bool isIndeo5(Common::SeekableReadStream &stream);
protected:
/**
* Decode the Indeo 5 picture header.
* @returns 0 = Ok, negative number = error
*/
virtual int decodePictureHeader();
/**
* Rearrange decoding and reference buffers.
*/
virtual void switch_buffers();
virtual bool is_nonnull_frame() const;
/**
* Decode Indeo 4 band header.
*
* @param[in,out] band pointer to the band descriptor
* @return result code: 0 = OK, negative number = error
*/
virtual int decode_band_hdr(IVIBandDesc *band);
/**
* Decode information (block type, cbp, quant delta, motion vector)
* for all macroblocks in the current tile.
*
* @param[in,out] band pointer to the band descriptor
* @param[in,out] tile pointer to the tile descriptor
* @return result code: 0 = OK, negative number = error
*/
virtual int decode_mb_info(IVIBandDesc *band, IVITile *tile);
private:
/**
* Decode Indeo5 GOP (Group of pictures) header.
* This header is present in key frames only.
* It defines parameters for all frames in a GOP.
* @returns result code: 0 = OK, -1 = error
*/
int decode_gop_header();
/**
* Skip a header extension.
*/
int skip_hdr_extension();
private:
/**
* standard picture dimensions (width, height divided by 4)
*/
static const uint8 _ivi5_common_pic_sizes[30];
/**
* standard picture dimensions (width, height divided by 4)
*/
static const uint8 ivi5_common_pic_sizes[30];
/**
* Indeo5 dequantization matrixes consist of two tables: base table
* and scale table. The base table defines the dequantization matrix
* itself and the scale table tells how this matrix should be scaled
* for a particular quant level (0...24).
*
* ivi5_base_quant_bbb_ttt - base tables for block size 'bbb' of type 'ttt'
* ivi5_scale_quant_bbb_ttt - scale tables for block size 'bbb' of type 'ttt'
*/
static const uint16 _ivi5_base_quant_8x8_inter[5][64];
static const uint16 _ivi5_base_quant_8x8_intra[5][64];
static const uint16 _ivi5_base_quant_4x4_inter[16];
static const uint16 _ivi5_base_quant_4x4_intra[16];
static const uint8 _ivi5_scale_quant_8x8_inter[5][24];
static const uint8 _ivi5_scale_quant_8x8_intra[5][24];
static const uint8 _ivi5_scale_quant_4x4_inter[24];
static const uint8 _ivi5_scale_quant_4x4_intra[24];
};
} // End of namespace Image
#endif

1
image/module.mk
View File

@ -14,6 +14,7 @@ MODULE_OBJS := \
codecs/codec.o \
codecs/indeo3.o \
codecs/indeo4.o \
codecs/indeo5.o \
codecs/mjpeg.o \
codecs/msrle.o \
codecs/msrle4.o \