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/* $Id: X264Enc.c,v 1.3 2003/12/26 20:03:27 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"
/* x264 */
#include "x264.h"
typedef struct HBX264Enc
{
HB_WORK_COMMON_MEMBERS
HBHandle *handle;
HBTitle *title;
HBBuffer *buffer;
x264_t *h;
x264_picture_t picture;
} HBX264Enc;
/* Local prototypes */
static int HBX264EncWork( HBWork * );
HBWork *HBX264EncInit( HBHandle * handle, HBTitle * title )
{
HBX264Enc *f = malloc( sizeof( HBX264Enc ) );
if( f )
{
x264_param_t param;
f->name = strdup( "X264Enc" );
f->work = HBX264EncWork;
f->handle = handle;
f->title = title;
f->buffer = NULL;
x264_param_default( ¶m );
param.i_width = title->outWidth;
param.i_height= title->outHeight;
param.i_iframe = 5 * title->rate / title->rateBase;
/* FIXME */
param.b_deblocking_filter = 0;
param.i_me = 1;
if( ( f->h = x264_encoder_open( ¶m ) ) == NULL )
{
HBLog( "x264: x264_encoder_new failed" );
return NULL;
}
memset( &f->picture, 0, sizeof( x264_picture_t ) );
f->picture.i_width = param.i_width;
f->picture.i_height = param.i_height;
f->picture.i_plane = 3;
HBLog( "x264: opening with %dx%d iframes=%d", param.i_width, param.i_height, param.i_iframe );
}
return (HBWork*) f;
}
void HBX264EncClose( HBWork **_f )
{
HBX264Enc *f = (HBX264Enc*) *_f;
x264_encoder_close( f->h );
if( f->buffer )
{
HBBufferClose( &f->buffer );
}
free( f->name );
free( f );
*_f = NULL;
}
/* TODO trash buffer->pass == 1
* return 0 ->rien fait
* 1 -> sinon
*/
static int HBX264EncWork( HBWork * w )
{
HBX264Enc * f = (HBX264Enc*) w;
HBTitle * title = f->title;
HBBuffer * frame;
int didSomething = 0;
x264_nal_t *nal;
int i_nal;
int i;
if( f->buffer )
{
if( !HBFifoPush( title->outFifo, &f->buffer ) )
{
/* nothing done */
return 0;
}
didSomething = 1;
}
if( ( frame = HBFifoPop( title->scaledFifo ) ) == NULL )
{
return didSomething;
}
if( frame->pass == 1 )
{
/* Trash all first pass buffer */
HBBufferClose( &frame );
return 1;
}
f->picture.i_stride[0] = title->outWidth;
f->picture.i_stride[1] = title->outWidth/2;
f->picture.i_stride[2] = title->outWidth/2;
f->picture.plane[0] = frame->data;
f->picture.plane[1] = &f->picture.plane[0][title->outWidth*title->outHeight];
f->picture.plane[2] = &f->picture.plane[1][title->outWidth*title->outHeight/4];
x264_encoder_encode( f->h, &nal, &i_nal, &f->picture );
f->buffer = HBBufferInit( 3 * title->outWidth * title->outHeight / 2 ); /* FIXME */
f->buffer->keyFrame = 0;
f->buffer->position = frame->position;
f->buffer->size = 0;
for( i = 0; i < i_nal; i++ )
{
int i_data = f->buffer->alloc - f->buffer->size;
int i_size;
i_size = x264_nal_encode( &f->buffer->data[f->buffer->size],
&i_data, 1, &nal[i] );
if( i_size <= 0 )
{
fprintf( stderr, "#################### error" );
}
f->buffer->size += i_size;
if( nal[i].i_ref_idc == NAL_PRIORITY_HIGH ||
nal[i].i_ref_idc == NAL_PRIORITY_HIGHEST )
{
f->buffer->keyFrame = 1;
}
}
/* Inform the GUI about the current position */
HBPosition( f->handle, frame->position );
HBBufferClose( &frame );
return 1;
}
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