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Merged ffmpeg's MS Video 1 decoder by Mike Melanson.

This commit is contained in:
Mike McCormack 2004-01-23 05:00:37 +00:00 committed by Alexandre Julliard
parent c31cae0f7e
commit 4cc64c8e5e
7 changed files with 562 additions and 1 deletions
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3
configure vendored
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1
configure.ac
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@ -1530,6 +1530,7 @@ dlls/msvcrt/tests/Makefile
dlls/msvcrt20/Makefile
dlls/msvcrt40/Makefile
dlls/msvcrtd/Makefile
dlls/msvidc32/Makefile
dlls/msvideo/Makefile
dlls/msvideo/msrle32/Makefile
dlls/mswsock/Makefile

13
dlls/Makefile.in
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@ -72,6 +72,7 @@ BASEDIRS = \
msvcrt20 \
msvcrt40 \
msvcrtd \
msvidc32 \
msvideo \
msvideo/msrle32 \
mswsock \
@ -275,6 +276,7 @@ SYMLINKS = \
msvcrt40.dll$(DLLEXT) \
msvcrtd.dll$(DLLEXT) \
msvfw32.dll$(DLLEXT) \
msvidc32.dll$(DLLEXT) \
mswsock.dll$(DLLEXT) \
netapi32.dll$(DLLEXT) \
newdev.dll$(DLLEXT) \
@ -579,6 +581,9 @@ msvfw32.dll$(DLLEXT): msvideo/msvfw32.dll$(DLLEXT)
msvideo.dll$(DLLEXT) : msvfw32.dll$(DLLEXT)
$(RM) $@ && $(LN_S) msvfw32.dll$(DLLEXT) $@
msvidc32.dll$(DLLEXT): msvidc32/msvidc32.dll$(DLLEXT)
$(RM) $@ && $(LN_S) msvidc32/msvidc32.dll$(DLLEXT) $@
mswsock.dll$(DLLEXT): mswsock/mswsock.dll$(DLLEXT)
$(RM) $@ && $(LN_S) mswsock/mswsock.dll$(DLLEXT) $@
@ -870,6 +875,7 @@ IMPORT_LIBS = \
libmsvcrt40 \
libmsvcrtd \
libmsvfw32 \
libmsvidc32 \
libmswsock \
libnetapi32 \
libnewdev \
@ -1217,6 +1223,11 @@ libmsvfw32.def: msvideo/msvfw32.spec.def
libmsvfw32.a: msvideo/msvfw32.spec.def
$(DLLTOOL) -k -l $@ -d msvideo/msvfw32.spec.def
libmsvidc32.def: msvidc32/msvidc32.spec.def
$(RM) $@ && $(LN_S) msvidc32/msvidc32.spec.def $@
libmsvidc32.a: msvidc32/msvidc32.spec.def
$(DLLTOOL) -k -l $@ -d msvidc32/msvidc32.spec.def
libmswsock.def: mswsock/mswsock.spec.def
$(RM) $@ && $(LN_S) mswsock/mswsock.spec.def $@
libmswsock.a: mswsock/mswsock.spec.def
@ -1531,6 +1542,7 @@ msvcrt20/msvcrt20.spec.def: $(WINEBUILD)
msvcrt40/msvcrt40.spec.def: $(WINEBUILD)
msvcrtd/msvcrtd.spec.def: $(WINEBUILD)
msvideo/msvfw32.spec.def: $(WINEBUILD)
msvidc32/msvidc32.spec.def: $(WINEBUILD)
mswsock/mswsock.spec.def: $(WINEBUILD)
netapi32/netapi32.spec.def: $(WINEBUILD)
newdev/newdev.spec.def: $(WINEBUILD)
@ -1660,6 +1672,7 @@ msvcrt20/msvcrt20.dll$(DLLEXT): msvcrt20
msvcrt40/msvcrt40.dll$(DLLEXT): msvcrt40
msvcrtd/msvcrtd.dll$(DLLEXT): msvcrtd
msvideo/msvfw32.dll$(DLLEXT): msvideo
msvidc32/msvidc32.dll$(DLLEXT): msvidc32
mswsock/mswsock.dll$(DLLEXT): mswsock
netapi32/netapi32.dll$(DLLEXT): netapi32
newdev/newdev.dll$(DLLEXT): newdev

4
dlls/msvidc32/.cvsignore Normal file
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@ -0,0 +1,4 @@
Makefile
msvidc32.dll.dbg.c
msvidc32.spec.c
msvidc32.spec.def

13
dlls/msvidc32/Makefile.in Normal file
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@ -0,0 +1,13 @@
TOPSRCDIR = @top_srcdir@
TOPOBJDIR = ../..
SRCDIR = @srcdir@
VPATH = @srcdir@
MODULE = msvidc32.dll
IMPORTS = kernel32
C_SRCS = \
msvideo1.c
@MAKE_DLL_RULES@
### Dependencies:

1
dlls/msvidc32/msvidc32.spec Normal file
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@ -0,0 +1 @@
@ stdcall DriverProc(long ptr long long long) CRAM_DriverProc

528
dlls/msvidc32/msvideo1.c Normal file
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@ -0,0 +1,528 @@
/*
* Microsoft Video-1 Decoder
* Copyright (C) 2003 the ffmpeg project
*
* Portions Copyright (C) 2004 Mike McCormack for Codeweavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/**
* @file msvideo1.c
* Microsoft Video-1 Decoder by Mike Melanson (melanson@pcisys.net)
* For more information about the MS Video-1 format, visit:
* http://www.pcisys.net/~melanson/codecs/
*
* This decoder outputs either PAL8 or RGB555 data, depending on the
* whether a RGB palette was passed through palctrl;
* if it's present, then the data is PAL8; RGB555 otherwise.
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "commdlg.h"
#include "vfw.h"
#include "mmsystem.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvidc32);
#define CRAM_MAGIC mmioFOURCC('C', 'R', 'A', 'M')
#define MSVC_MAGIC mmioFOURCC('M', 'S', 'V', 'C')
#define WHAM_MAGIC mmioFOURCC('W', 'H', 'A', 'M')
#define PALETTE_COUNT 256
#define LE_16(x) ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0])
/* FIXME - check the stream size */
#define CHECK_STREAM_PTR(n) \
if ((stream_ptr + n) > buf_size ) { \
WARN("stream_ptr out of bounds (%d >= %d)\n", \
stream_ptr + n, buf_size); \
return; \
}
typedef BYTE uint8_t;
typedef struct Msvideo1Context {
DWORD dwMagic;
int mode_8bit; /* if it's not 8-bit, it's 16-bit */
} Msvideo1Context;
static void
msvideo1_decode_8bit( int width, int height, unsigned char *buf, int buf_size,
unsigned char *pixels, int stride)
{
int block_ptr, pixel_ptr;
int total_blocks;
int pixel_x, pixel_y; /* pixel width and height iterators */
int block_x, block_y; /* block width and height iterators */
int blocks_wide, blocks_high; /* width and height in 4x4 blocks */
int block_inc;
int row_dec;
/* decoding parameters */
int stream_ptr;
unsigned char byte_a, byte_b;
unsigned short flags;
int skip_blocks;
unsigned char colors[8];
stream_ptr = 0;
skip_blocks = 0;
blocks_wide = width / 4;
blocks_high = height / 4;
total_blocks = blocks_wide * blocks_high;
block_inc = 4;
row_dec = stride + 4;
for (block_y = blocks_high; block_y > 0; block_y--) {
block_ptr = ((block_y * 4) - 1) * stride;
for (block_x = blocks_wide; block_x > 0; block_x--) {
/* check if this block should be skipped */
if (skip_blocks) {
block_ptr += block_inc;
skip_blocks--;
total_blocks--;
continue;
}
pixel_ptr = block_ptr;
/* get the next two bytes in the encoded data stream */
CHECK_STREAM_PTR(2);
byte_a = buf[stream_ptr++];
byte_b = buf[stream_ptr++];
/* check if the decode is finished */
if ((byte_a == 0) && (byte_b == 0) && (total_blocks == 0))
return;
else if ((byte_b & 0xFC) == 0x84) {
/* skip code, but don't count the current block */
skip_blocks = ((byte_b - 0x84) << 8) + byte_a - 1;
} else if (byte_b < 0x80) {
/* 2-color encoding */
flags = (byte_b << 8) | byte_a;
CHECK_STREAM_PTR(2);
colors[0] = buf[stream_ptr++];
colors[1] = buf[stream_ptr++];
for (pixel_y = 0; pixel_y < 4; pixel_y++) {
for (pixel_x = 0; pixel_x < 4; pixel_x++, flags >>= 1)
{
#if ORIGINAL
pixels[pixel_ptr++] = colors[(flags & 0x1) ^ 1];
#else
pixels[width*(height-(pixel_ptr/width)-1) +
pixel_ptr%width] =
colors[(flags & 0x1) ^ 1];
pixel_ptr++;
#endif
}
pixel_ptr -= row_dec;
}
} else if (byte_b >= 0x90) {
/* 8-color encoding */
flags = (byte_b << 8) | byte_a;
CHECK_STREAM_PTR(8);
memcpy(colors, &buf[stream_ptr], 8);
stream_ptr += 8;
for (pixel_y = 0; pixel_y < 4; pixel_y++) {
for (pixel_x = 0; pixel_x < 4; pixel_x++, flags >>= 1)
{
#if ORIGINAL
pixels[pixel_ptr++] =
colors[((pixel_y & 0x2) << 1) +
(pixel_x & 0x2) + ((flags & 0x1) ^ 1)];
#else
pixels[width*(height-(pixel_ptr/width)-1) +
pixel_ptr%width] =
colors[((pixel_y & 0x2) << 1) +
(pixel_x & 0x2) + ((flags & 0x1) ^ 1)];
pixel_ptr++;
#endif
}
pixel_ptr -= row_dec;
}
} else {
/* 1-color encoding */
colors[0] = byte_a;
for (pixel_y = 0; pixel_y < 4; pixel_y++) {
for (pixel_x = 0; pixel_x < 4; pixel_x++)
{
#if ORIGINAL
pixels[pixel_ptr++] = colors[0];
#else
pixels[width*(height-(pixel_ptr/width)-1) +
pixel_ptr%width] = colors[0];
pixel_ptr++;
#endif
}
pixel_ptr -= row_dec;
}
}
block_ptr += block_inc;
total_blocks--;
}
}
}
static void
msvideo1_decode_16bit( int width, int height, unsigned char *buf, int buf_size,
unsigned short *pixels, int stride)
{
int block_ptr, pixel_ptr;
int total_blocks;
int pixel_x, pixel_y; /* pixel width and height iterators */
int block_x, block_y; /* block width and height iterators */
int blocks_wide, blocks_high; /* width and height in 4x4 blocks */
int block_inc;
int row_dec;
/* decoding parameters */
int stream_ptr;
unsigned char byte_a, byte_b;
unsigned short flags;
int skip_blocks;
unsigned short colors[8];
stream_ptr = 0;
skip_blocks = 0;
blocks_wide = width / 4;
blocks_high = height / 4;
total_blocks = blocks_wide * blocks_high;
block_inc = 4;
row_dec = stride + 4;
for (block_y = blocks_high; block_y > 0; block_y--) {
block_ptr = ((block_y * 4) - 1) * stride;
for (block_x = blocks_wide; block_x > 0; block_x--) {
/* check if this block should be skipped */
if (skip_blocks) {
block_ptr += block_inc;
skip_blocks--;
total_blocks--;
continue;
}
pixel_ptr = block_ptr;
/* get the next two bytes in the encoded data stream */
CHECK_STREAM_PTR(2);
byte_a = buf[stream_ptr++];
byte_b = buf[stream_ptr++];
/* check if the decode is finished */
if ((byte_a == 0) && (byte_b == 0) && (total_blocks == 0)) {
return;
} else if ((byte_b & 0xFC) == 0x84) {
/* skip code, but don't count the current block */
skip_blocks = ((byte_b - 0x84) << 8) + byte_a - 1;
} else if (byte_b < 0x80) {
/* 2- or 8-color encoding modes */
flags = (byte_b << 8) | byte_a;
CHECK_STREAM_PTR(4);
colors[0] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
colors[1] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
if (colors[0] & 0x8000) {
/* 8-color encoding */
CHECK_STREAM_PTR(12);
colors[2] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
colors[3] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
colors[4] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
colors[5] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
colors[6] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
colors[7] = LE_16(&buf[stream_ptr]);
stream_ptr += 2;
for (pixel_y = 0; pixel_y < 4; pixel_y++) {
for (pixel_x = 0; pixel_x < 4; pixel_x++, flags >>= 1)
pixels[pixel_ptr++] =
colors[((pixel_y & 0x2) << 1) +
(pixel_x & 0x2) + ((flags & 0x1) ^ 1)];
pixel_ptr -= row_dec;
}
} else {
/* 2-color encoding */
for (pixel_y = 0; pixel_y < 4; pixel_y++) {
for (pixel_x = 0; pixel_x < 4; pixel_x++, flags >>= 1)
pixels[pixel_ptr++] = colors[(flags & 0x1) ^ 1];
pixel_ptr -= row_dec;
}
}
} else {
/* otherwise, it's a 1-color block */
colors[0] = (byte_b << 8) | byte_a;
for (pixel_y = 0; pixel_y < 4; pixel_y++) {
for (pixel_x = 0; pixel_x < 4; pixel_x++)
pixels[pixel_ptr++] = colors[0];
pixel_ptr -= row_dec;
}
}
block_ptr += block_inc;
total_blocks--;
}
}
}
static LRESULT
CRAM_DecompressQuery( Msvideo1Context *info, LPBITMAPINFO in, LPBITMAPINFO out )
{
TRACE("ICM_DECOMPRESS_QUERY %p %p %p\n", info, in, out);
if( (info==NULL) || (info->dwMagic!=CRAM_MAGIC) )
return ICERR_BADPARAM;
TRACE("planes = %d\n", in->bmiHeader.biPlanes );
TRACE("bpp = %d\n", in->bmiHeader.biBitCount );
TRACE("height = %ld\n", in->bmiHeader.biHeight );
TRACE("width = %ld\n", in->bmiHeader.biWidth );
TRACE("compr = %lx\n", in->bmiHeader.biCompression );
if( ( in->bmiHeader.biCompression != CRAM_MAGIC ) &&
( in->bmiHeader.biCompression != MSVC_MAGIC ) &&
( in->bmiHeader.biCompression != WHAM_MAGIC ) )
return ICERR_UNSUPPORTED;
if( ( in->bmiHeader.biBitCount != 16 ) &&
( in->bmiHeader.biBitCount != 8 ) )
{
TRACE("can't do %d bpp\n", in->bmiHeader.biBitCount );
return ICERR_UNSUPPORTED;
}
/* output must be same dimensions as input */
if( out )
{
if( in->bmiHeader.biBitCount != out->bmiHeader.biBitCount )
return ICERR_UNSUPPORTED;
if( in->bmiHeader.biPlanes != out->bmiHeader.biPlanes )
return ICERR_UNSUPPORTED;
if( in->bmiHeader.biHeight != out->bmiHeader.biHeight )
return ICERR_UNSUPPORTED;
if( in->bmiHeader.biWidth != out->bmiHeader.biWidth )
return ICERR_UNSUPPORTED;
}
TRACE("OK!\n");
return ICERR_OK;
}
static LRESULT
CRAM_DecompressGetFormat( Msvideo1Context *info, LPBITMAPINFO in, LPBITMAPINFO out )
{
TRACE("ICM_DECOMPRESS_GETFORMAT %p %p %p\n", info, in, out);
if( (info==NULL) || (info->dwMagic!=CRAM_MAGIC) )
return ICERR_BADPARAM;
if( out )
{
memcpy( out, in, sizeof (BITMAPINFO) );
out->bmiHeader.biCompression = BI_RGB;
out->bmiHeader.biSizeImage = in->bmiHeader.biHeight
* in->bmiHeader.biWidth *4;
out->bmiHeader.biBitCount = in->bmiHeader.biBitCount;
}
return sizeof (BITMAPINFO);
}
LRESULT CRAM_DecompressBegin( Msvideo1Context *info, LPBITMAPINFO in, LPBITMAPINFO out )
{
TRACE("ICM_DECOMPRESS_BEGIN %p %p %p\n", info, in, out);
if( (info==NULL) || (info->dwMagic!=CRAM_MAGIC) )
return ICERR_BADPARAM;
TRACE("bitmap is %d bpp\n", in->bmiHeader.biBitCount);
if( in->bmiHeader.biBitCount == 8 )
info->mode_8bit = 1;
else if( in->bmiHeader.biBitCount == 16 )
info->mode_8bit = 0;
else
{
ERR("Bad output format\n");
return ICERR_BADPARAM;
}
return ICERR_OK;
}
LRESULT CRAM_Decompress( Msvideo1Context *info, ICDECOMPRESS *icd, DWORD size )
{
LONG width, height, stride, sz;
WORD bit_per_pixel;
TRACE("ICM_DECOMPRESS %p %p %ld\n", info, icd, size);
if( (info==NULL) || (info->dwMagic!=CRAM_MAGIC) )
return ICERR_BADPARAM;
/* FIXME: flags are ignored */
width = icd->lpbiInput->biWidth;
height = icd->lpbiInput->biHeight;
bit_per_pixel = icd->lpbiInput->biBitCount;
stride = width*bit_per_pixel/8;
sz = icd->lpbiInput->biSizeImage;
if (info->mode_8bit)
{
msvideo1_decode_8bit( width, height, icd->lpInput, sz,
icd->lpOutput, stride);
}
else
{
msvideo1_decode_16bit( width, height, icd->lpInput, sz,
icd->lpOutput, stride);
}
return ICERR_OK;
}
LRESULT CRAM_DecompressEx( Msvideo1Context *info, ICDECOMPRESSEX *icd, DWORD size )
{
LONG width, height, stride, sz;
WORD bit_per_pixel;
TRACE("ICM_DECOMPRESSEX %p %p %ld\n", info, icd, size);
if( (info==NULL) || (info->dwMagic!=CRAM_MAGIC) )
return ICERR_BADPARAM;
/* FIXME: flags are ignored */
width = icd->lpbiSrc->biWidth;
height = icd->lpbiSrc->biHeight;
bit_per_pixel = icd->lpbiSrc->biBitCount;
stride = width*bit_per_pixel/8;
sz = icd->lpbiSrc->biSizeImage;
if (info->mode_8bit)
{
msvideo1_decode_8bit( width, height, icd->lpSrc, sz,
icd->lpDst, stride);
}
else
{
msvideo1_decode_16bit( width, height, icd->lpSrc, sz,
icd->lpDst, stride);
}
return ICERR_OK;
}
LRESULT WINAPI CRAM_DriverProc( DWORD dwDriverId, HDRVR hdrvr, UINT msg,
LONG lParam1, LONG lParam2)
{
Msvideo1Context *info = (Msvideo1Context *) dwDriverId;
LRESULT r = 0;
TRACE("%ld %p %d %ld %ld\n", dwDriverId, hdrvr, msg, lParam1, lParam2);
switch( msg )
{
case DRV_LOAD:
TRACE("Loaded\n");
r = 1;
break;
case DRV_ENABLE:
break;
case DRV_OPEN:
TRACE("Opened\n");
info = HeapAlloc( GetProcessHeap(), 0, sizeof (Msvideo1Context) );
if( info )
{
memset( info, 0, sizeof info );
info->dwMagic = CRAM_MAGIC;
}
r = (LRESULT) info;
break;
case ICM_DECOMPRESS_QUERY:
r = CRAM_DecompressQuery( info, (LPBITMAPINFO) lParam1,
(LPBITMAPINFO) lParam2 );
break;
case ICM_DECOMPRESS_GET_FORMAT:
r = CRAM_DecompressGetFormat( info, (LPBITMAPINFO) lParam1,
(LPBITMAPINFO) lParam2 );
break;
case ICM_DECOMPRESS_GET_PALETTE:
FIXME("ICM_DECOMPRESS_GET_PALETTE\n");
break;
case ICM_DECOMPRESSEX_QUERY:
FIXME("ICM_DECOMPRESSEX_QUERY\n");
break;
case ICM_DECOMPRESS:
r = CRAM_Decompress( info, (ICDECOMPRESS*) lParam1,
(DWORD) lParam2 );
break;
case ICM_DECOMPRESS_BEGIN:
r = CRAM_DecompressBegin( info, (LPBITMAPINFO) lParam1,
(LPBITMAPINFO) lParam2 );
break;
case ICM_DECOMPRESSEX:
r = CRAM_DecompressEx( info, (ICDECOMPRESSEX*) lParam1,
(DWORD) lParam2 );
break;
case DRV_CLOSE:
HeapFree( GetProcessHeap(), 0, info );
break;
case DRV_DISABLE:
break;
case DRV_FREE:
break;
default:
FIXME("Unknown message: %04x %ld %ld\n", msg, lParam1, lParam2);
}
return r;
}