x264 options patch by Alex Izvorski (plus some checks on x264 version)

"This patch adds some missing x264 options, namely: me, merange, no-psnr,
no-b-adapt, b-bias.  The names and expected values are exactly the same
as for the x264 commandline encoder."

THANKS

@@ -8,6 +8,7 @@ Michel Lespinasse <walken at zoy.org> - AC3 decoder, MPEG audio and video decode
 
 The VideoLAN team would like to thank the following contributors:
 
+Alex Izvorski <aizvorski at gmail dot com> - some more x264 options
 André de Barros Martins Ribeiro <andrerib at ajato.com.br> - Brazilian portuguese localization
 Andre Pang <adre.pang at csiro dot au> - Annodex support
 Andres Krapf <dae at via.ecp.fr> - FreeBSD port and tests, KDE interface

modules/codec/x264.c

@@ -118,6 +118,37 @@ static void Close( vlc_object_t * );
     "tradeoffs involved in the motion estimation decision process " \
     "(lower = quicker and higher = better quality)." )
 
+#define ME_TEXT N_("Motion estimation algorithm.")
+#define ME_LONGTEXT N_( "Selects the motion estimation algorithm: "\
+    " dia - diamond (fastest) \n" \
+    " hex - hexagon (default setting) \n" \
+    " umh - uneven multi-hexagon (better but slower) \n" \
+    " esa - exhaustive search (extremely slow, primarily for testing) " )
+
+#define MERANGE_TEXT N_("Motion estimation search range.")
+#define MERANGE_LONGTEXT N_( "Maximum distance to search for motion estimation, "\
+    "measured from predicted position(s). Default of 16 is good for most footage, "\
+    "high motion sequences may benefit from settings between 24-32." )
+
+#define NO_PSNR_TEXT N_("Disable PSNR calculation.")
+#define NO_PSNR_LONGTEXT N_( "This has no effect on actual encoding quality, "\
+    "it just prevents the stats from being calculated (for speed)." )
+
+#define NO_B_ADAPT_TEXT N_("Disable adaptive B-frames.")
+#define NO_B_ADAPT_LONGTEXT N_( "If this is on, the specified number of consequtive B-frames "\
+    "will always be used, except possibly before an I-frame. " )
+
+#define B_BIAS_TEXT N_("Bias the choice to use B-frames.")
+#define B_BIAS_LONGTEXT N_( "Positive values cause more= B-frames, negative values cause less B-frames. " )
+
+
+#if X264_BUILD >= 23
+static char *enc_me_list[] =
+  { "", "dia", "hex", "umh", "esa" };
+static char *enc_me_list_text[] =
+  { N_("default"), N_("dia"), N_("hex"), N_("umh"), N_("esa") };
+#endif
+
 static char *enc_analyse_list[] =
   { "", "all", "normal", "fast", "none" };
 static char *enc_analyse_list_text[] =
@@ -196,6 +227,29 @@ vlc_module_begin();
         change_integer_range( 1, 5 );
 #endif
 
+#if X264_BUILD >= 23
+/* r221 */    add_string( SOUT_CFG_PREFIX "me", "hex", NULL, ME_TEXT,
+                ME_LONGTEXT, VLC_FALSE );
+        change_string_list( enc_me_list, enc_me_list_text, 0 );
+
+/* r221 */    add_integer( SOUT_CFG_PREFIX "merange", 16, NULL, MERANGE_TEXT,
+                 MERANGE_LONGTEXT, VLC_FALSE );
+        change_integer_range( 1, 64 );
+#endif
+
+/* r44 */    add_bool( SOUT_CFG_PREFIX "no-psnr", 0, NULL, NO_PSNR_TEXT,
+              NO_PSNR_LONGTEXT, VLC_FALSE );
+
+#if X264_BUILD >= 0x0013
+/* r137 */    add_bool( SOUT_CFG_PREFIX "no-b-adapt", 0, NULL, NO_B_ADAPT_TEXT,
+              NO_B_ADAPT_LONGTEXT, VLC_FALSE );
+
+/* r137 */    add_integer( SOUT_CFG_PREFIX "b-bias", 0, NULL, B_BIAS_TEXT,
+                 B_BIAS_LONGTEXT, VLC_FALSE );
+        change_integer_range( -100, 100 );
+#endif
+
+
 vlc_module_end();
 
 /*****************************************************************************
@@ -204,7 +258,8 @@ vlc_module_end();
 static const char *ppsz_sout_options[] = {
     "qp", "qp-min", "qp-max", "cabac", "loopfilter", "analyse",
     "keyint", "keyint-min", "bframes", "bpyramid", "frameref", "scenecut",
-    "subpel", "tolerance", "vbv-maxrate", "vbv-bufsize", "vbv-init", NULL
+    "subpel", "me", "merange", "no-psnr", "no-b-adapt", "b-bias", "tolerance", 
+    "vbv-maxrate", "vbv-bufsize", "vbv-init", NULL
 };
 
 static block_t *Encode( encoder_t *, picture_t * );
@@ -370,6 +425,42 @@ static int  Open ( vlc_object_t *p_this )
         p_sys->param.analyse.i_subpel_refine = val.i_int;
 #endif
 
+#if X264_BUILD >= 23
+    var_Get( p_enc, SOUT_CFG_PREFIX "me", &val );
+    if( !strcmp( val.psz_string, "dia" ) )
+    {
+        p_sys->param.analyse.i_me_method = X264_ME_DIA;
+    }
+    else if( !strcmp( val.psz_string, "hex" ) )
+    {
+        p_sys->param.analyse.i_me_method = X264_ME_HEX;
+    }
+    else if( !strcmp( val.psz_string, "umh" ) )
+    {
+        p_sys->param.analyse.i_me_method = X264_ME_UMH;
+    }
+    else if( !strcmp( val.psz_string, "esa" ) )
+    {
+        p_sys->param.analyse.i_me_method = X264_ME_ESA;
+    }
+    if( val.psz_string ) free( val.psz_string );
+
+    var_Get( p_enc, SOUT_CFG_PREFIX "merange", &val );
+    if( val.i_int >= 1 && val.i_int <= 64 ) p_sys->param.analyse.i_me_range = val.i_int;
+#endif
+
+    var_Get( p_enc, SOUT_CFG_PREFIX "no-psnr", &val );
+    p_sys->param.analyse.b_psnr = ! val.b_bool;
+
+#if X264_BUILD >= 0x0013
+    var_Get( p_enc, SOUT_CFG_PREFIX "no-b-adapt", &val );
+    p_sys->param.b_bframe_adaptive = ! val.b_bool;
+
+    var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
+    if( val.i_int >= -100 && val.i_int <= 100 )
+        p_sys->param.i_bframe_bias = val.i_int;
+#endif
+
 #ifndef X264_ANALYSE_BSUB16x16
 #   define X264_ANALYSE_BSUB16x16 0
 #endif