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vlc-2-2
Commit 66715267 authored by Laurent Aimar's avatar Laurent Aimar
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Removed internal cinepak decoder (ffmpeg one is way better).

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configure.ac
View file @ 66715267
......@@ -1116,7 +1116,6 @@ VLC_ADD_PLUGIN([t140])
VLC_ADD_PLUGIN([dvbsub])
VLC_ADD_PLUGIN([cc])
dnl Video codecs:
VLC_ADD_PLUGIN([cinepak])
dnl Audio codecs:
VLC_ADD_PLUGIN([araw])
VLC_ADD_PLUGIN([adpcm])
......
modules/codec/Modules.am
View file @ 66715267
SUBDIRS = cmml dmo avcodec subtitles spudec xvmc
# Disabled modules
SOURCES_a52 = a52.c
SOURCES_cinepak = cinepak.c
SOURCES_dts = dts.c
SOURCES_flac = flac.c
SOURCES_lpcm = lpcm.c
......
modules/codec/cinepak.c deleted 100644 → 0
View file @ a7d6597a
/*****************************************************************************
* cinepak.c: cinepak video decoder
*****************************************************************************
* Copyright (C) 1999-2001 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout.h>
#include <vlc_codec.h>
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int OpenDecoder ( vlc_object_t * );
static void CloseDecoder( vlc_object_t * );
vlc_module_begin();
set_description( N_("Cinepak video decoder") );
set_capability( "decoder", 50 );
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_VCODEC );
set_callbacks( OpenDecoder, CloseDecoder );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
#define CINEPAK_MAXSTRIP 32
typedef struct
{
uint8_t i_y[4];
uint8_t i_u, i_v;
} cinepak_codebook_t;
typedef struct
{
int b_grayscale; /* force to grayscale */
unsigned int i_width;
unsigned int i_height;
int i_stride_x;
int i_stride_y;
uint8_t *p_y, *p_u, *p_v;
int i_stride[3]; /* our 3 planes */
int i_lines[3];
uint8_t *p_pix[3];
cinepak_codebook_t codebook_v1[CINEPAK_MAXSTRIP][256];
cinepak_codebook_t codebook_v4[CINEPAK_MAXSTRIP][256];
} cinepak_context_t;
/*****************************************************************************
* decoder_sys_t : decoder descriptor
*****************************************************************************/
struct decoder_sys_t
{
/*
* Cinepak properties
*/
cinepak_context_t context;
};
static picture_t *DecodeBlock ( decoder_t *, block_t ** );
static int cinepak_decode_frame( cinepak_context_t *, size_t, uint8_t * );
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************
* Tries to launch a decoder and return score so that the interface is able
* to chose.
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
vlc_value_t val;
if( p_dec->fmt_in.i_codec != VLC_FOURCC('c','v','i','d') &&
p_dec->fmt_in.i_codec != VLC_FOURCC('C','V','I','D') )
{
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys = malloc(sizeof(decoder_sys_t)) ) == NULL )
return VLC_ENOMEM;
memset( &p_sys->context, 0, sizeof( cinepak_context_t ) );
var_Create( p_dec, "grayscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Get( p_dec, "grayscale", &val );
p_sys->context.b_grayscale = val.b_bool;
p_dec->pf_decode_video = DecodeBlock;
msg_Dbg( p_dec, "cinepak decoder started" );
return VLC_SUCCESS;
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with whole frames.
****************************************************************************/
static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
int i_status, i_plane;
uint8_t *p_dst, *p_src;
picture_t *p_pic;
block_t *p_block;
if( !pp_block || !*pp_block )
{
return NULL;
}
p_block = *pp_block;
*pp_block = NULL;
i_status = cinepak_decode_frame( &p_sys->context, p_block->i_buffer,
p_block->p_buffer );
if( i_status < 0 )
{
msg_Warn( p_dec, "cannot decode one frame (%zu bytes)",
p_block->i_buffer );
block_Release( p_block );
return NULL;
}
p_dec->fmt_out.video.i_width = p_sys->context.i_width;
p_dec->fmt_out.video.i_height = p_sys->context.i_height;
p_dec->fmt_out.video.i_aspect = p_sys->context.i_width
* VOUT_ASPECT_FACTOR / p_sys->context.i_height;
p_dec->fmt_out.i_codec = VLC_FOURCC('I','4','2','0');
/* Get a new picture */
if( ( p_pic = p_dec->pf_vout_buffer_new( p_dec ) ) )
{
for( i_plane = 0; i_plane < 3; i_plane++ )
{
int i_line, i_lines;
p_dst = p_pic->p[i_plane].p_pixels;
p_src = p_sys->context.p_pix[i_plane];
i_lines = __MIN( p_sys->context.i_lines[i_plane],
p_pic->p[i_plane].i_visible_lines );
for( i_line = 0; i_line < i_lines; i_line++ )
{
memcpy( p_dst, p_src,
__MIN( p_pic->p[i_plane].i_pitch,
p_sys->context.i_stride[i_plane] ) );
p_dst += p_pic->p[i_plane].i_pitch;
p_src += p_sys->context.i_stride[i_plane];
}
}
p_pic->date = p_block->i_pts ? p_block->i_pts : p_block->i_dts;
}
block_Release( p_block );
return p_pic;
}
/*****************************************************************************
* CloseDecoder: decoder destruction
*****************************************************************************/
static void CloseDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
int i;
msg_Dbg( p_dec, "cinepak decoder stopped" );
for( i = 0; i < 3; i++ )
free( p_sys->context.p_pix[i] );
free( p_sys );
}
/*****************************************************************************
* local Functions
*****************************************************************************/
#define GET2BYTES( p ) \
GetWBE( p ); p+= 2;
/* FIXME */
#define GET3BYTES( p ) \
(GetDWBE( p ) >> 8); p+= 3;
#define GET4BYTES( p ) \
GetDWBE( p ); p+= 4;
static void cinepak_LoadCodebook( cinepak_codebook_t *p_codebook,
uint8_t *p_data, int b_grayscale )
{
int i, i_y[4], i_u, i_v, i_Cb, i_Cr;
int i_uv;
#define SCALEBITS 12
#define FIX( x ) ( (int)( (x) * ( 1L << SCALEBITS ) + 0.5 ) )
for( i = 0; i < 4; i++ )
{
i_y[i] = (uint8_t)( *(p_data++) );
}
if( b_grayscale )
{
i_u = (int8_t)( *(p_data++) );
i_v = (int8_t)( *(p_data++) );
}
else
{
i_u = 0;
i_v = 0;
}
/*
| Y | | 1 -0.0655 0.0110 | | CY |
| Cb | = | 0 1.1656 -0.0062 | | CU |
| Cr | | 0 0.0467 1.4187 | | CV |
*/
i_uv = ( FIX( -0.0655 ) * i_u + FIX( 0.0110 ) * i_v ) >> SCALEBITS;
for( i = 0; i < 4; i++ )
{
i_y[i] += i_uv;
}
i_Cb = ( FIX( 1.1656 ) * i_u + FIX( -0.0062 ) * i_v ) >> SCALEBITS;
i_Cr = ( FIX( 0.0467 ) * i_u + FIX( 1.4187 ) * i_v ) >> SCALEBITS;
for( i = 0; i < 4; i++ )
{
p_codebook->i_y[i] = __MIN( __MAX( 0, i_y[i] ), 255 );
}
p_codebook->i_u = __MIN( __MAX( 0, i_Cb + 128 ), 255 );
p_codebook->i_v = __MIN( __MAX( 0, i_Cr + 128 ), 255 );
#undef FIX
#undef SCALEBITS
}
static void cinepak_Getv4( cinepak_context_t *p_context,
int i_strip, int i_x, int i_y,
uint8_t *p_data )
{
uint8_t i_index[4];
int i,j;
size_t y_max = p_context->i_stride[0] * ( i_y + 5 ) + i_x + 5;
size_t u_max = p_context->i_stride[1] * ( ( i_y/2 ) + 2 ) + 2 + ( i_x / 2 );
size_t v_max = p_context->i_stride[2] * ( ( i_y/2 ) + 2 ) + 2 + ( i_x / 2 );
size_t y_siz = p_context->i_stride[0] * p_context->i_lines[0];
size_t u_siz = p_context->i_stride[1] * p_context->i_lines[1];
size_t v_siz = p_context->i_stride[2] * p_context->i_lines[2];
/* boundary check */
if( y_max >= y_siz || u_max >= u_siz || v_max >= v_siz )
return;
uint8_t *p_dst_y, *p_dst_u, *p_dst_v;
#define PIX_SET_Y( x, y, v ) \
p_dst_y[(x) + (y)* p_context->i_stride[0]] = (v);
#define PIX_SET_UV( i, p, x, y, v ) \
p[(x) + (y)* (p_context->i_stride[i])] = (v);
for( i = 0; i < 4; i++ )
{
i_index[i] = *(p_data++);
}
/* y plane */
p_dst_y = p_context->p_pix[0] + p_context->i_stride[0] * i_y + i_x;
p_dst_u = p_context->p_pix[1] + p_context->i_stride[1] * (i_y/2) + (i_x/2);
p_dst_v = p_context->p_pix[2] + p_context->i_stride[2] * (i_y/2) + (i_x/2);
for( i = 0; i < 2; i++ )
{
for( j = 0; j < 2; j ++ )
{
PIX_SET_Y( 2*j + 0, 2*i + 0,
p_context->codebook_v4[i_strip][i_index[j+2*i]].i_y[0]);
PIX_SET_Y( 2*j + 1, 2*i + 0,
p_context->codebook_v4[i_strip][i_index[j+2*i]].i_y[1]);
PIX_SET_Y( 2*j + 0, 2*i + 1,
p_context->codebook_v4[i_strip][i_index[j+2*i]].i_y[2]);
PIX_SET_Y( 2*j + 1, 2*i + 1,
p_context->codebook_v4[i_strip][i_index[j+2*i]].i_y[3]);
PIX_SET_UV( 1, p_dst_u, j, i,
p_context->codebook_v4[i_strip][i_index[j+2*i]].i_u );
PIX_SET_UV( 2, p_dst_v, j, i,
p_context->codebook_v4[i_strip][i_index[j+2*i]].i_v );
}
}
#undef PIX_SET_Y
#undef PIX_SET_UV
}
static void cinepak_Getv1( cinepak_context_t *p_context,
int i_strip, int i_x, int i_y,
uint8_t *p_data )
{
uint8_t i_index;
int i,j;
size_t y_max = p_context->i_stride[0] * ( i_y + 5 ) + i_x + 5;
size_t u_max = p_context->i_stride[1] * ( ( i_y/2 ) + 2 ) + 2 + ( i_x / 2 );
size_t v_max = p_context->i_stride[2] * ( ( i_y/2 ) + 2 ) + 2 + ( i_x / 2 );
size_t y_siz = p_context->i_stride[0] * p_context->i_lines[0];
size_t u_siz = p_context->i_stride[1] * p_context->i_lines[1];
size_t v_siz = p_context->i_stride[2] * p_context->i_lines[2];
/* boundary check */
if( y_max >= y_siz || u_max >= u_siz || v_max >= v_siz )
return;
uint8_t *p_dst_y, *p_dst_u, *p_dst_v;
#define PIX_SET_Y( x, y, v ) \
p_dst_y[(x) + (y)* p_context->i_stride[0]] = (v);
#define PIX_SET_UV( i,p, x, y, v ) \
p[(x) + (y)* (p_context->i_stride[i])] = (v);
i_index = *(p_data++);
/* y plane */
p_dst_y = p_context->p_pix[0] + p_context->i_stride[0] * i_y + i_x;
p_dst_u = p_context->p_pix[1] + p_context->i_stride[1] * (i_y/2) + (i_x/2);
p_dst_v = p_context->p_pix[2] + p_context->i_stride[2] * (i_y/2) + (i_x/2);
for( i = 0; i < 2; i++ )
{
for( j = 0; j < 2; j ++ )
{
PIX_SET_Y( 2*j + 0, 2*i + 0,
p_context->codebook_v1[i_strip][i_index].i_y[2*i+j] );
PIX_SET_Y( 2*j + 1, 2*i + 0,
p_context->codebook_v1[i_strip][i_index].i_y[2*i+j] );
PIX_SET_Y( 2*j + 0, 2*i + 1,
p_context->codebook_v1[i_strip][i_index].i_y[2*i+j] );
PIX_SET_Y( 2*j + 1, 2*i + 1,
p_context->codebook_v1[i_strip][i_index].i_y[2*i+j] );
PIX_SET_UV( 1,p_dst_u, j, i,
p_context->codebook_v1[i_strip][i_index].i_u );
PIX_SET_UV( 2,p_dst_v, j, i,
p_context->codebook_v1[i_strip][i_index].i_v );
}
}
#undef PIX_SET_Y
#undef PIX_SET_UV
}
/*****************************************************************************
* The function that decode one frame
*****************************************************************************/
static int cinepak_decode_frame( cinepak_context_t *p_context,
size_t i_length, uint8_t *p_data )
{
int i_strip;
int8_t i_frame_flags;
uint32_t i_frame_size;
uint16_t i_width, i_height;
uint16_t i_frame_strips;
int i_index;
int i_strip_x1 =0, i_strip_y1=0;
int i_strip_x2 =0, i_strip_y2=0;
if( i_length <= 10 )
{
/* Broken header or no data */
return( -1 );
}
/* get header */
i_frame_flags = *(p_data++);
i_frame_size = GET3BYTES( p_data );
i_width = GET2BYTES( p_data );
i_height = GET2BYTES( p_data );
i_frame_strips = GET2BYTES( p_data );
if( !i_frame_size || !i_width || !i_height ||
i_width > 0xffff-3 || i_height > 0xffff-3)
{
/* Broken header */
return( -1 );
}
/* Check if we have a picture buffer with good size */
if( ( p_context->i_width != i_width ) ||
( p_context->i_height != i_height ) )
{
int i;
for( i = 0; i < 3; i++ )
{
free( p_context->p_pix[i] );
}
p_context->i_width = i_width;
p_context->i_height = i_height;
p_context->i_stride[0] = ( i_width + 3 ) & 0xfffc;
p_context->i_stride[1] = p_context->i_stride[2] =
p_context->i_stride[0] / 2;
p_context->i_lines[0] = ( i_height + 3 ) & 0xfffc;
p_context->i_lines[1] = p_context->i_lines[2] =
p_context->i_lines[0] /2;
for( i = 0; i < 3; i++ )
{
p_context->p_pix[i] = malloc( p_context->i_stride[i] *
p_context->i_lines[i] );
if( p_context->p_pix[i] == NULL )
return -1;
/* Set it to all black */
memset( p_context->p_pix[i], ( i == 0 ) ? 0 : 128 ,
p_context->i_stride[i] * p_context->i_lines[i] );
}
}
if( i_frame_size != i_length )
{
i_length = __MIN( i_length, i_frame_size );
}
i_length -= 10;
if( i_frame_strips >= CINEPAK_MAXSTRIP )
{
i_frame_strips = CINEPAK_MAXSTRIP;
}
/* Now decode each strip */
for( i_strip = 0; i_strip < i_frame_strips; i_strip++ )
{
uint16_t i_strip_size;
if( i_length <= 12 )
{
break;
}
p_data += 2; /* int16_t i_strip_id = GET2BYTES( p_data ); */
i_strip_size = GET2BYTES( p_data );
i_strip_size = __MIN( i_strip_size, i_length );
/* FIXME I don't really understand how it works; */
i_strip_y1 = i_strip_y2 + GET2BYTES( p_data );
i_strip_x1 = GET2BYTES( p_data );
i_strip_y2 = i_strip_y2 + GET2BYTES( p_data );
i_strip_x2 = GET2BYTES( p_data );
i_length -= i_strip_size;
i_strip_size -= 12;
/* init codebook , if needed */
if( ( i_strip > 0 )&&( !(i_frame_flags&0x01) ) )
{
memcpy( &p_context->codebook_v1[i_strip],
&p_context->codebook_v1[i_strip-1],
sizeof(cinepak_codebook_t[256] ) );
memcpy( &p_context->codebook_v4[i_strip],
&p_context->codebook_v4[i_strip-1],
sizeof(cinepak_codebook_t[256] ) );
}
/* Now parse all chunk in this strip */
while( i_strip_size > 0 )
{
cinepak_codebook_t (*p_codebook)[CINEPAK_MAXSTRIP][256];
int i_mode;
int i_chunk_id;
int i_chunk_size;
uint32_t i_vector_flags;
int i_count;
int i;
int i_x, i_y; /* (0,0) begin in fact at (x1,y1) ... */
i_chunk_id = GET2BYTES( p_data );
i_chunk_size = GET2BYTES( p_data );
i_chunk_size = __MIN( i_chunk_size, i_strip_size );
i_strip_size -= i_chunk_size;
i_chunk_size -= 4;
i_x = 0;
i_y = 0;
if( i_chunk_size < 0 )
{
break;
}
switch( i_chunk_id )
{
case( 0x2000 ): /* 12bits v4 Intra*/
case( 0x2200 ): /* 12bits v1 Intra*/
case( 0x2400 ): /* 8bits v4 Intra*/
case( 0x2600 ): /* 8bits v1 Intra */
i_mode = ( ( i_chunk_id&0x0400 ) == 0 );
p_codebook = ( i_chunk_id&0x0200 ) ?
&p_context->codebook_v1 :
&p_context->codebook_v4;
i_count = __MIN( i_chunk_size / ( i_mode ? 6 : 4 ), 256 );
for( i = 0; i < i_count; i++ )
{
cinepak_LoadCodebook( &((*p_codebook)[i_strip][i]),
p_data,
i_mode&~p_context->b_grayscale );
p_data += i_mode ? 6 : 4;
i_chunk_size -= i_mode ? 6 : 4;
}
break;
case( 0x2100 ): /* selective 12bits v4 Inter*/
case( 0x2300 ): /* selective 12bits v1 Inter*/
case( 0x2500 ): /* selective 8bits v4 Inter*/
case( 0x2700 ): /* selective 8bits v1 Inter*/
i_mode = ( ( i_chunk_id&0x0400 ) == 0 );
p_codebook = ( i_chunk_id&0x0200 ) ?
&p_context->codebook_v1 :
&p_context->codebook_v4;
i_index = 0;
while( (i_chunk_size > 4)&&(i_index<256))
{
i_vector_flags = GET4BYTES( p_data );
i_chunk_size -= 4;
for( i = 0; i < 32; i++ )
{
if( ( i_chunk_size < ( i_mode ? 6 : 4 ) )
|| (i_index >= 256 ) )
{
break;
}
if( i_vector_flags&0x80000000UL )
{
cinepak_LoadCodebook(
&((*p_codebook)[i_strip][i_index]),
p_data, i_mode&~p_context->b_grayscale );
p_data += i_mode ? 6 : 4;
i_chunk_size -= i_mode ? 6 : 4;
}
i_index++;
i_vector_flags <<= 1;
}
}
break;
case( 0x3000 ): /* load image Intra */
while( (i_chunk_size >= 4 )&&(i_y<i_strip_y2-i_strip_y1) )
{
i_vector_flags = GET4BYTES( p_data );
i_chunk_size -= 4;
i_strip_size -= 4;
i_length -= 4;
for( i = 0; i < 32; i++ )
{
if( ( i_y >= i_strip_y2 - i_strip_y1) ||
( i_chunk_size<=0 ) )
{
break;
}
if( i_vector_flags&0x80000000UL )
{
cinepak_Getv4( p_context,
i_strip,
i_strip_x1 + i_x,
i_strip_y1 + i_y,
p_data );
p_data += 4;
i_chunk_size -= 4;
}
else
{
cinepak_Getv1( p_context,
i_strip,
i_strip_x1 + i_x,
i_strip_y1 + i_y,
p_data );
p_data++;
i_chunk_size--;
}
i_x += 4;
if( i_x >= i_strip_x2 - i_strip_x1 )
{
i_x = 0;
i_y += 4;
}
i_vector_flags <<= 1;
}
}
break;
case( 0x3100 ): /* load image Inter */
while( ( i_chunk_size > 4 )&&( i_y < i_strip_y2 - i_strip_y1) )
{
uint32_t i_mask;
i_vector_flags = GET4BYTES( p_data );
i_chunk_size -= 4;
i_mask = 0x80000000UL;
while( (i_chunk_size > 0 ) && ( i_mask )
&& ( i_y < i_strip_y2 - i_strip_y1 ) )
{
if( i_vector_flags&i_mask )
{
i_mask >>= 1;
if( !i_mask )
{
if( i_chunk_size < 4 )
{
break;
}
i_vector_flags = GET4BYTES( p_data );
i_chunk_size -= 4;
i_mask = 0x80000000UL;
}
if( i_vector_flags&i_mask )
{
if( i_chunk_size < 4 ) break;
cinepak_Getv4( p_context,
i_strip,
i_strip_x1 + i_x,
i_strip_y1 + i_y,
p_data );
p_data += 4;
i_chunk_size -= 4;
}
else
{
if( i_chunk_size < 1 ) break;
cinepak_Getv1( p_context,
i_strip,
i_strip_x1 + i_x,
i_strip_y1 + i_y,
p_data );
p_data++;
i_chunk_size--;
}
}
i_mask >>= 1;
i_x += 4;
if( i_x >= i_strip_x2 - i_strip_x1 )
{
i_x = 0;
i_y += 4;
}
}
}
break;
case( 0x3200 ): /* load intra picture but all v1*/
while( ( i_chunk_size > 0 ) &&
( i_y < i_strip_y2 - i_strip_y1 ) )
{
cinepak_Getv1( p_context,
i_strip,
i_strip_x1 + i_x,
i_strip_y1 + i_y,
p_data );
p_data++;
i_chunk_size--;
i_x += 4;
if( i_x >= i_strip_x2 - i_strip_x1 )
{
i_x = 0;
i_y += 4;
}
}
break;
default:
break;
}
p_data += i_chunk_size ; /* skip remains bytes */
}
}
return( 0 );
}
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