diff options
Diffstat (limited to 'core/XvidEnc.c')
| -rw-r--r-- | core/XvidEnc.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/core/XvidEnc.c b/core/XvidEnc.c new file mode 100644 index 000000000..8f16ad4ba --- /dev/null +++ b/core/XvidEnc.c @@ -0,0 +1,170 @@ +/* $Id: XvidEnc.c,v 1.5 2003/11/05 19:14:37 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 "XvidEnc.h" +#include "Fifo.h" +#include "Work.h" + +#include <xvid.h> + +/* Local prototypes */ +static int XvidEncWork( HBWork * ); + +struct HBXvidEnc +{ + HB_WORK_COMMON_MEMBERS + + HBHandle * handle; + HBTitle * title; + + void * xvid; + HBBuffer * mpeg4Buffer; + int pass; +}; + +HBXvidEnc * 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; + + x->xvid = NULL; + x->mpeg4Buffer = NULL; + x->pass = 42; + + return x; +} + +void HBXvidEncClose( HBXvidEnc ** _x ) +{ + HBXvidEnc * x = *_x; + free( x ); + *_x = NULL; +} + +static int XvidEncWork( HBWork * w ) +{ + HBXvidEnc * x = (HBXvidEnc*) w; + HBTitle * title = x->title; + HBBuffer * scaledBuffer; + HBBuffer * mpeg4Buffer; + XVID_ENC_FRAME xframe; + + int didSomething = 0; + + if( x->mpeg4Buffer ) + { + if( HBFifoPush( title->mpeg4Fifo, &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_INIT_PARAM xinit; + XVID_ENC_PARAM xparam; + + x->pass = scaledBuffer->pass;; + + HBLog( "HBXvidEnc: opening libxvidcore (pass %d)", x->pass ); + + xinit.cpu_flags = 0; + xvid_init( NULL, 0, &xinit, NULL ); + + xparam.width = title->outWidth; + xparam.height = title->outHeight; + + xparam.fincr = title->rateBase; + xparam.fbase = title->rate; + + xparam.rc_bitrate = title->bitrate * 1000; + + /* Default values should be ok */ + xparam.rc_reaction_delay_factor = -1; + xparam.rc_averaging_period = -1; + xparam.rc_buffer = -1; + xparam.max_quantizer = -1; + xparam.min_quantizer = -1; + xparam.max_key_interval = -1; + + if( xvid_encore( NULL, XVID_ENC_CREATE, &xparam, NULL ) ) + { + HBLog( "HBXvidEnc: xvid_encore() failed" ); + } + + x->xvid = xparam.handle; + } + + /* TODO implement 2-pass encoding */ + if( x->pass == 1 ) + { + HBPosition( x->handle, scaledBuffer->position ); + HBBufferClose( &scaledBuffer ); + return didSomething; + } + + mpeg4Buffer = HBBufferInit( title->outWidth * + title->outHeight * 3 / 2 ); + mpeg4Buffer->position = scaledBuffer->position; + + xframe.general = XVID_H263QUANT | XVID_HALFPEL | XVID_INTER4V; + xframe.motion = PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | + PMV_EXTSEARCH16 | PMV_EARLYSTOP8 | + PMV_HALFPELREFINE8 | PMV_HALFPELDIAMOND8 | + PMV_USESQUARES16; + xframe.bitstream = mpeg4Buffer->data; + + xframe.image = scaledBuffer->data; + xframe.colorspace = XVID_CSP_I420; + + xframe.quant_intra_matrix = NULL; + xframe.quant_inter_matrix = NULL; + xframe.quant = 0; + xframe.intra = -1; + + xframe.hint.hintstream = NULL; + + if( xvid_encore( x->xvid, XVID_ENC_ENCODE, &xframe, NULL ) ) + { + HBLog( "HBXvidEnc: xvid_encore() failed" ); + } + + mpeg4Buffer->size = xframe.length; + mpeg4Buffer->keyFrame = xframe.intra; + + /* Inform the GUI about the current position */ + HBPosition( x->handle, scaledBuffer->position ); + + HBBufferClose( &scaledBuffer ); + x->mpeg4Buffer = mpeg4Buffer; + + return didSomething; +} + |