Merge the 5.1 branch into the trunk.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@422 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 223 insertions, 0 deletions

diff --git a/libhb/encxvid.c b/libhb/encxvid.c
new file mode 100644
index 000000000..7768f8e12
--- /dev/null
+++ b/libhb/encxvid.c
@@ -0,0 +1,223 @@
+/* $Id: encxvid.c,v 1.10 2005/03/09 23:28:39 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 "hb.h"
+
+#include "xvid.h"
+
+int  encxvidInit( hb_work_object_t *, hb_job_t * );
+int  encxvidWork( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** );
+void encxvidClose( hb_work_object_t * );
+
+hb_work_object_t hb_encxvid =
+{
+    WORK_ENCXVID,
+    "MPEG-4 encoder (libxvidcore)",
+    encxvidInit,
+    encxvidWork,
+    encxvidClose
+};
+
+struct hb_work_private_s
+{
+    hb_job_t * job;
+    void     * xvid;
+    char       filename[1024];
+    int        quant;
+    int        configDone;
+};
+
+int encxvidInit( hb_work_object_t * w, hb_job_t * job )
+{
+    xvid_gbl_init_t xvid_gbl_init;
+    xvid_enc_create_t create;
+    xvid_plugin_single_t single;
+    xvid_plugin_2pass1_t rc2pass1;
+    xvid_plugin_2pass2_t rc2pass2;
+    xvid_enc_plugin_t plugins[1];
+
+    hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) );
+    w->private_data = pv;
+
+    pv->job = job;
+
+    memset( pv->filename, 0, 1024 );
+    hb_get_tempory_filename( job->h, pv->filename, "xvid.log" );
+
+    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( &create, 0, sizeof( create ) );
+    create.version   = XVID_VERSION;
+    create.width     = job->width;
+    create.height    = job->height;
+    create.zones     = NULL;
+    create.num_zones = 0;
+
+    switch( job->pass )
+    {
+        case 0:
+            memset( &single, 0, sizeof( single ) );
+            single.version   = XVID_VERSION;
+            if( job->vquality < 0.0 || job->vquality > 1.0 )
+            {
+                /* Rate control */
+                single.bitrate = 1000 * job->vbitrate;
+                pv->quant = 0;
+            }
+            else
+            {
+                /* Constant quantizer */
+                pv->quant = 31 - job->vquality * 30;
+                hb_log( "encxvid: encoding at constant quantizer %d",
+                        pv->quant );
+            }
+            plugins[0].func  = xvid_plugin_single;
+            plugins[0].param = &single;
+            break;
+
+        case 1:
+            memset( &rc2pass1, 0, sizeof( rc2pass1 ) );
+            rc2pass1.version  = XVID_VERSION;
+            rc2pass1.filename = pv->filename;
+            plugins[0].func   = xvid_plugin_2pass1;
+            plugins[0].param  = &rc2pass1;
+            break;
+
+        case 2:
+            memset( &rc2pass2, 0, sizeof( rc2pass2 ) );
+            rc2pass2.version  = XVID_VERSION;
+            rc2pass2.filename = pv->filename;
+            rc2pass2.bitrate  = 1000 * job->vbitrate;
+            plugins[0].func   = xvid_plugin_2pass2;
+            plugins[0].param  = &rc2pass2;
+            break;
+    }
+
+    create.plugins     = plugins;
+    create.num_plugins = 1;
+
+    create.num_threads      = 0;
+    create.fincr            = job->vrate_base;
+    create.fbase            = job->vrate;
+    create.max_key_interval = 10 * job->vrate / job->vrate_base;
+    create.max_bframes      = 0;
+    create.bquant_ratio     = 150;
+    create.bquant_offset    = 100;
+    create.frame_drop_ratio = 0;
+    create.global           = 0;
+
+    xvid_encore( NULL, XVID_ENC_CREATE, &create, NULL );
+    pv->xvid = create.handle;
+
+    return 0;
+}
+
+/***********************************************************************
+ * Close
+ ***********************************************************************
+ *
+ **********************************************************************/
+void encxvidClose( hb_work_object_t * w )
+{
+    hb_work_private_t * pv = w->private_data;
+
+    if( pv->xvid )
+    {
+        hb_log( "encxvid: closing libxvidcore" );
+        xvid_encore( pv->xvid, XVID_ENC_DESTROY, NULL, NULL);
+    }
+}
+
+/***********************************************************************
+ * Work
+ ***********************************************************************
+ *
+ **********************************************************************/
+int encxvidWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
+                 hb_buffer_t ** buf_out )
+{
+    hb_work_private_t * pv = w->private_data;
+    hb_job_t * job = pv->job;
+    xvid_enc_frame_t frame;
+    hb_buffer_t * in = *buf_in, * buf;
+
+    /* Should be way too large */
+    buf = hb_buffer_init( 3 * job->width * job->height / 2 );
+    buf->start = in->start;
+    buf->stop  = in->stop;
+
+    memset( &frame, 0, sizeof( frame ) );
+
+    frame.version = XVID_VERSION;
+    frame.bitstream = buf->data;
+    frame.length = -1;
+    frame.input.plane[0] = in->data;
+    frame.input.csp = XVID_CSP_I420;
+    frame.input.stride[0] = job->width;
+    frame.vol_flags = 0;
+    frame.vop_flags = XVID_VOP_HALFPEL | XVID_VOP_INTER4V |
+                      XVID_VOP_TRELLISQUANT | XVID_VOP_HQACPRED;
+    if( job->pixel_ratio )
+    {
+        frame.par = XVID_PAR_EXT;
+        frame.par_width = job->pixel_aspect_width;
+        frame.par_height = job->pixel_aspect_height;
+    }
+
+    if( job->grayscale )
+    {
+        frame.vop_flags |= XVID_VOP_GREYSCALE;
+    }
+    frame.type = XVID_TYPE_AUTO;
+    frame.quant = pv->quant;
+    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;
+    frame.quant_intra_matrix = NULL;
+    frame.quant_inter_matrix = NULL;
+
+    buf->size = xvid_encore( pv->xvid, XVID_ENC_ENCODE, &frame, NULL );
+    buf->key = ( frame.out_flags & XVID_KEYFRAME );
+
+    if( !pv->configDone )
+    {
+        int vol_start, vop_start;
+        for( vol_start = 0; ; vol_start++ )
+        {
+            if( buf->data[vol_start]   == 0x0 &&
+                buf->data[vol_start+1] == 0x0 &&
+                buf->data[vol_start+2] == 0x1 &&
+                buf->data[vol_start+3] == 0x20 )
+            {
+                break;
+            }
+        }
+        for( vop_start = vol_start + 4; ; vop_start++ )
+        {
+            if( buf->data[vop_start]   == 0x0 &&
+                buf->data[vop_start+1] == 0x0 &&
+                buf->data[vop_start+2] == 0x1 &&
+                buf->data[vop_start+3] == 0xB6 )
+            {
+                break;
+            }
+        }
+
+        hb_log( "encxvid: VOL size is %d bytes", vop_start - vol_start );
+        job->config.mpeg4.length = vop_start - vol_start;
+        memcpy( job->config.mpeg4.bytes, &buf->data[vol_start],
+                job->config.mpeg4.length );
+        pv->configDone = 1;
+    }
+
+    *buf_out = buf;
+
+    return HB_WORK_OK;
+}
+