int mix;
int trellis;
int partitions;
- int chromame;
- float psy_rd;
- float psy_trellis;
+ int badapt;
+ int bframes;
+ int direct;
+ int merange;
} sc_preset_t;
-static const sc_preset_t presets[SC_PRESETS] =
-{
+// The actual presets, including the equivalent commandline options. Note that
+// all presets are benchmarked with --weightp 1 --mbtree --rc-lookahead 20
+// on top of the given settings (equivalent settings to the "faster" preset).
+// Timings and SSIM measurements were done on a quadcore Haswell i5 3.2 GHz
+// on the first 1000 frames of "Tears of Steel" in 1080p.
+static const sc_preset_t presets[SC_PRESETS] = {
#define I4 X264_ANALYSE_I4x4
#define I8 X264_ANALYSE_I8x8
+#define P4 X264_ANALYSE_PSUB8x8
#define P8 X264_ANALYSE_PSUB16x16
#define B8 X264_ANALYSE_BSUB16x16
-/*0*/ { .time=1.000, .subme=1, .me=X264_ME_DIA, .refs=1, .mix=0, .chromame=0, .trellis=0, .partitions=0, .psy_rd=0 },
-/*1*/ { .time=1.009, .subme=1, .me=X264_ME_DIA, .refs=1, .mix=0, .chromame=0, .trellis=0, .partitions=I8|I4, .psy_rd=0 },
-/*2*/ { .time=1.843, .subme=3, .me=X264_ME_HEX, .refs=1, .mix=0, .chromame=0, .trellis=0, .partitions=I8|I4, .psy_rd=0 },
-/*3*/ { .time=1.984, .subme=5, .me=X264_ME_HEX, .refs=1, .mix=0, .chromame=0, .trellis=0, .partitions=I8|I4, .psy_rd=1.0 },
-/*4*/ { .time=2.289, .subme=6, .me=X264_ME_HEX, .refs=1, .mix=0, .chromame=0, .trellis=0, .partitions=I8|I4, .psy_rd=1.0 },
-/*5*/ { .time=3.113, .subme=6, .me=X264_ME_HEX, .refs=1, .mix=0, .chromame=0, .trellis=1, .partitions=I8|I4, .psy_rd=1.0 },
-/*6*/ { .time=3.400, .subme=6, .me=X264_ME_HEX, .refs=2, .mix=0, .chromame=0, .trellis=1, .partitions=I8|I4, .psy_rd=1.0 },
-/*7*/ { .time=3.755, .subme=7, .me=X264_ME_HEX, .refs=2, .mix=0, .chromame=0, .trellis=1, .partitions=I8|I4, .psy_rd=1.0 },
-/*8*/ { .time=4.592, .subme=7, .me=X264_ME_HEX, .refs=2, .mix=0, .chromame=0, .trellis=1, .partitions=I8|I4|P8|B8, .psy_rd=1.0 },
-/*9*/ { .time=4.730, .subme=7, .me=X264_ME_HEX, .refs=3, .mix=0, .chromame=0, .trellis=1, .partitions=I8|I4|P8|B8, .psy_rd=1.0 },
-/*10*/ { .time=5.453, .subme=8, .me=X264_ME_HEX, .refs=3, .mix=0, .chromame=0, .trellis=1, .partitions=I8|I4|P8|B8, .psy_rd=1.0 },
-/*11*/ { .time=8.277, .subme=8, .me=X264_ME_UMH, .refs=3, .mix=1, .chromame=1, .trellis=1, .partitions=I8|I4|P8|B8, .psy_rd=1.0 },
-/*12*/ { .time=8.410, .subme=8, .me=X264_ME_UMH, .refs=4, .mix=1, .chromame=1, .trellis=1, .partitions=I8|I4|P8|B8, .psy_rd=1.0 }
+ // Preset 0: 14.179db, --preset superfast --b-adapt 0 --bframes 0
+ { .time= 1.000, .subme=1, .me=X264_ME_DIA, .refs=1, .mix=0, .trellis=0, .partitions=I8|I4, .badapt=0, .bframes=0, .direct=0, .merange=16 },
+
+ // Preset 1: 14.459db, --preset superfast
+ { .time= 1.283, .subme=1, .me=X264_ME_DIA, .refs=1, .mix=0, .trellis=0, .partitions=I8|I4, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 2: 14.761db, --preset superfast --subme 2
+ { .time= 1.603, .subme=2, .me=X264_ME_DIA, .refs=1, .mix=0, .trellis=0, .partitions=I8|I4, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 3: 15.543db, --preset veryfast
+ { .time= 1.843, .subme=2, .me=X264_ME_HEX, .refs=1, .mix=0, .trellis=0, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 4: 15.716db, --preset veryfast --subme 3
+ { .time= 2.452, .subme=3, .me=X264_ME_HEX, .refs=1, .mix=0, .trellis=0, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 5: 15.786db, --preset veryfast --subme 3 --ref 2
+ { .time= 2.733, .subme=3, .me=X264_ME_HEX, .refs=2, .mix=0, .trellis=0, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 6: 15.813db, --preset veryfast --subme 4 --ref 2
+ { .time= 3.085, .subme=4, .me=X264_ME_HEX, .refs=2, .mix=0, .trellis=0, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 7: 15.849db, --preset faster
+ { .time= 3.101, .subme=4, .me=X264_ME_HEX, .refs=2, .mix=0, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 8: 15.857db, --preset faster --mixed-refs
+ { .time= 3.284, .subme=4, .me=X264_ME_HEX, .refs=2, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 9: 15.869db, --preset faster --mixed-refs --subme 5
+ { .time= 3.587, .subme=5, .me=X264_ME_HEX, .refs=2, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 10: 16.051db, --preset fast
+ { .time= 3.947, .subme=6, .me=X264_ME_HEX, .refs=2, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 11: 16.356db, --preset fast --subme 7
+ { .time= 4.041, .subme=7, .me=X264_ME_HEX, .refs=2, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 12: 16.418db, --preset fast --subme 7 --ref 3
+ { .time= 4.406, .subme=7, .me=X264_ME_HEX, .refs=3, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 13: 16.460db, --preset medium
+ { .time= 4.707, .subme=7, .me=X264_ME_HEX, .refs=3, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 14: 16.517db, --preset medium --subme 8
+ { .time= 5.133, .subme=8, .me=X264_ME_HEX, .refs=3, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 15: 16.523db, --preset medium --subme 8 --me umh
+ { .time= 6.050, .subme=8, .me=X264_ME_UMH, .refs=3, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=1, .bframes=3, .direct=1, .merange=16 },
+
+ // Preset 16: 16.543db, --preset medium --subme 8 --me umh --direct auto --b-adapt 2
+ { .time= 6.849, .subme=8, .me=X264_ME_UMH, .refs=3, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 17: 16.613db, --preset slow
+ { .time= 8.042, .subme=8, .me=X264_ME_UMH, .refs=5, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 18: 16.641db, --preset slow --subme 9
+ { .time= 8.972, .subme=9, .me=X264_ME_UMH, .refs=5, .mix=1, .trellis=1, .partitions=I8|I4|P8|B8, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 19: 16.895db, --preset slow --subme 9 --trellis 2
+ { .time=10.073, .subme=9, .me=X264_ME_UMH, .refs=5, .mix=1, .trellis=2, .partitions=I8|I4|P8|B8, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 20: 16.918db, --preset slow --subme 9 --trellis 2 --ref 6
+ { .time=11.147, .subme=9, .me=X264_ME_UMH, .refs=6, .mix=1, .trellis=2, .partitions=I8|I4|P8|B8, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 21: 16.934db, --preset slow --subme 9 --trellis 2 --ref 7
+ { .time=12.267, .subme=9, .me=X264_ME_UMH, .refs=7, .mix=1, .trellis=2, .partitions=I8|I4|P8|B8, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 22: 16.948db, --preset slower
+ { .time=13.829, .subme=9, .me=X264_ME_UMH, .refs=8, .mix=1, .trellis=2, .partitions=I8|I4|P8|B8|P4, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 23: 17.058db, --preset slower --subme 10
+ { .time=14.831, .subme=10, .me=X264_ME_UMH, .refs=8, .mix=1, .trellis=2, .partitions=I8|I4|P8|B8|P4, .badapt=2, .bframes=3, .direct=3, .merange=16 },
+
+ // Preset 24: 17.268db, --preset slower --subme 10 --bframes 8
+ { .time=18.705, .subme=10, .me=X264_ME_UMH, .refs=8, .mix=1, .trellis=2, .partitions=I8|I4|P8|B8|P4, .badapt=2, .bframes=8, .direct=3, .merange=16 },
+
+ // Preset 25: 17.297db, --preset veryslow
+ { .time=31.419, .subme=10, .me=X264_ME_UMH, .refs=16, .mix=1, .trellis=2, .partitions=I8|I4|P8|B8|P4, .badapt=2, .bframes=8, .direct=3, .merange=24 },
+#undef I4
+#undef I8
+#undef P4
+#undef P8
+#undef B8
};
static void apply_preset( x264_t *h, int preset )
x264_param_t p = h->param;
p.i_frame_reference = s->refs;
+ p.i_bframe_adaptive = s->badapt;
+ p.i_bframe = s->bframes;
p.analyse.inter = s->partitions;
p.analyse.i_subpel_refine = s->subme;
p.analyse.i_me_method = s->me;
p.analyse.i_trellis = s->trellis;
p.analyse.b_mixed_references = s->mix;
- p.analyse.b_chroma_me = s->chromame;
- p.analyse.f_psy_rd = s->psy_rd;
- p.analyse.f_psy_trellis = s->psy_trellis;
+ p.analyse.i_direct_mv_pred = s->direct;
+ p.analyse.i_me_range = s->merange;
x264_encoder_reconfig( h, &p );
sc->preset = preset;
x264_log( h, X264_LOG_DEBUG, "Applying speedcontrol preset %d.\n", preset );
set = i-1 + (target - t0) / (t1 - t0);
// Even if our time estimations in the SC_PRESETS array are off
// this will push us towards our target fullness
- set += (20 * (filled-0.75));
+ set += (40 * (filled-0.75));
set = x264_clip3f( set, 0 , h->param.sc.max_preset-1 );
apply_preset( h, dither( sc, set ) );
projects / x264 / blobdiff