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/* $Id: XvidEnc.c,v 1.18 2004/01/08 22:02:29 titer Exp $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.m0k.org/>.
It may be used under the terms of the GNU General Public License. */
#include "HBInternal.h"
#include "xvid.h"
typedef struct HBXvidEnc
{
HB_WORK_COMMON_MEMBERS
HBHandle * handle;
HBTitle * title;
char file[1024];
void * xvid;
xvid_enc_frame_t frame;
HBBuffer * mpeg4Buffer;
int pass;
int frames;
int64_t bytes;
} HBXvidEnc;
/* Local prototypes */
static int XvidEncWork( HBWork * );
HBWork * HBXvidEncInit( HBHandle * handle, HBTitle * title )
{
HBXvidEnc * x;
if( !( x = malloc( sizeof( HBXvidEnc ) ) ) )
{
HBLog( "HBXvidEncInit: malloc() failed, gonna crash" );
return NULL;
}
x->name = strdup( "XvidEnc" );
x->work = XvidEncWork;
x->handle = handle;
x->title = title;
memset( x->file, 0, 1024 );
snprintf( x->file, 1023, "/tmp/HB.%d.xvid.log",
HBGetPid( x->handle ) );
x->xvid = NULL;
x->mpeg4Buffer = NULL;
x->pass = 42;
x->frames = 0;
x->bytes = 0;
return (HBWork*) x;
}
void HBXvidEncClose( HBWork ** _x )
{
HBXvidEnc * x = (HBXvidEnc*) *_x;
if( x->xvid )
{
HBLog( "HBXvidEnc: closing libxvidcore (pass %d)",
x->pass );
xvid_encore( x->xvid, XVID_ENC_DESTROY, NULL, NULL);
}
if( x->frames )
{
float bitrate = (float) x->bytes * x->title->rate / x->frames /
x->title->rateBase / 128;
int64_t bytes = (int64_t) x->frames * x->title->bitrate * 128 *
x->title->rateBase / x->title->rate;
HBLog( "HBXvidEnc: %d frames encoded (%lld bytes), %.2f kbps",
x->frames, x->bytes, bitrate );
if( x->bytes > bytes )
{
HBLog( "HBXvidEnc: %lld more bytes than expected "
"(error=%.2f %%)", x->bytes - bytes,
100.0 * ( x->bytes - bytes ) / bytes );
}
else if( x->bytes < bytes )
{
HBLog( "HBXvidEnc: %lld less bytes than expected "
"(error=%.2f %%)", bytes - x->bytes,
100.0 * ( bytes - x->bytes ) / bytes );
}
}
free( x->name );
free( x );
*_x = NULL;
}
static int XvidEncWork( HBWork * w )
{
HBXvidEnc * x = (HBXvidEnc*) w;
HBTitle * title = x->title;
HBBuffer * scaledBuffer;
HBBuffer * mpeg4Buffer;
int didSomething = 0;
if( x->mpeg4Buffer )
{
if( HBFifoPush( title->outFifo, &x->mpeg4Buffer ) )
{
didSomething = 1;
}
else
{
return didSomething;
}
}
if( ( scaledBuffer = HBFifoPop( title->scaledFifo ) ) )
{
didSomething = 1;
}
else
{
return didSomething;
}
/* Init or re-init if needed */
if( scaledBuffer->pass != x->pass )
{
xvid_gbl_init_t xvid_gbl_init;
xvid_enc_create_t xvid_enc_create;
xvid_plugin_single_t single;
xvid_plugin_2pass1_t rc2pass1;
xvid_plugin_2pass2_t rc2pass2;
xvid_enc_plugin_t plugins[7];
if( x->xvid )
{
HBLog( "HBXvidEnc: closing libxvidcore (pass %d)",
x->pass );
xvid_encore( x->xvid, XVID_ENC_DESTROY, NULL, NULL);
}
x->pass = scaledBuffer->pass;;
HBLog( "HBXvidEnc: opening libxvidcore (pass %d)", x->pass );
memset( &xvid_gbl_init, 0, sizeof( xvid_gbl_init ) );
xvid_gbl_init.version = XVID_VERSION;
xvid_global( NULL, XVID_GBL_INIT, &xvid_gbl_init, NULL );
memset(&xvid_enc_create, 0, sizeof(xvid_enc_create));
xvid_enc_create.version = XVID_VERSION;
xvid_enc_create.width = title->outWidth;
xvid_enc_create.height = title->outHeight;
xvid_enc_create.zones = NULL;
xvid_enc_create.num_zones = 0;
xvid_enc_create.plugins = plugins;
xvid_enc_create.num_plugins = 0;
if( !x->pass )
{
memset( &single, 0, sizeof( single ) );
single.version = XVID_VERSION;
single.bitrate = 1024 * title->bitrate;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_single;
plugins[xvid_enc_create.num_plugins].param = &single;
xvid_enc_create.num_plugins++;
}
else if( x->pass == 1 )
{
memset( &rc2pass1, 0, sizeof( rc2pass1 ) );
rc2pass1.version = XVID_VERSION;
rc2pass1.filename = x->file;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass1;
plugins[xvid_enc_create.num_plugins].param = &rc2pass1;
xvid_enc_create.num_plugins++;
}
else if( x->pass == 2 )
{
memset(&rc2pass2, 0, sizeof(xvid_plugin_2pass2_t));
rc2pass2.version = XVID_VERSION;
rc2pass2.filename = x->file;
rc2pass2.bitrate = 1024 * title->bitrate;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass2;
plugins[xvid_enc_create.num_plugins].param = &rc2pass2;
xvid_enc_create.num_plugins++;
}
xvid_enc_create.num_threads = 0;
xvid_enc_create.fincr = title->rateBase;
xvid_enc_create.fbase = title->rate;
xvid_enc_create.max_key_interval = 10 * title->rate / title->rateBase;
xvid_enc_create.max_bframes = 0;
xvid_enc_create.bquant_ratio = 150;
xvid_enc_create.bquant_offset = 100;
xvid_enc_create.frame_drop_ratio = 0;
xvid_enc_create.global = 0;
xvid_encore( NULL, XVID_ENC_CREATE, &xvid_enc_create, NULL );
x->xvid = xvid_enc_create.handle;
}
mpeg4Buffer = HBBufferInit( title->outWidth *
title->outHeight * 3 / 2 );
mpeg4Buffer->position = scaledBuffer->position;
memset( &x->frame, 0, sizeof( x->frame ) );
x->frame.version = XVID_VERSION;
x->frame.bitstream = mpeg4Buffer->data;
x->frame.length = -1;
x->frame.input.plane[0] = scaledBuffer->data;
x->frame.input.csp = XVID_CSP_I420;
x->frame.input.stride[0] = title->outWidth;
x->frame.vol_flags = 0;
x->frame.vop_flags = XVID_VOP_HALFPEL | XVID_VOP_INTER4V |
XVID_VOP_TRELLISQUANT | XVID_VOP_HQACPRED;
x->frame.type = XVID_TYPE_AUTO;
x->frame.quant = 0;
x->frame.motion = XVID_ME_ADVANCEDDIAMOND16 | XVID_ME_HALFPELREFINE16 |
XVID_ME_EXTSEARCH16 | XVID_ME_ADVANCEDDIAMOND8 |
XVID_ME_HALFPELREFINE8 | XVID_ME_EXTSEARCH8 |
XVID_ME_CHROMA_PVOP | XVID_ME_CHROMA_BVOP;
x->frame.quant_intra_matrix = NULL;
x->frame.quant_inter_matrix = NULL;
mpeg4Buffer->size = xvid_encore( x->xvid, XVID_ENC_ENCODE,
&x->frame, NULL );
mpeg4Buffer->keyFrame = ( x->frame.out_flags & XVID_KEYFRAME );
/* Inform the GUI about the current position */
HBPosition( x->handle, scaledBuffer->position );
HBBufferClose( &scaledBuffer );
if( x->pass == 1 )
{
HBBufferClose( &mpeg4Buffer );
return didSomething;
}
else
{
if( !title->esConfig )
{
/* KLUDGE */
title->esConfig = malloc( 15 );
title->esConfigLength = 15;
memcpy( title->esConfig, mpeg4Buffer->data + 4, 15 );
}
x->frames++;
x->bytes += mpeg4Buffer->size;
x->mpeg4Buffer = mpeg4Buffer;
}
return didSomething;
}
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