Add weightp support in API for libx264.

ffmpeg can encode baseline profile again. Originally committed as revision 20600 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · 096c87f667
parent f3bdc3da15
commit 096c87f667
18 changed files with 30 additions and 4 deletions
--- a/4
+++ b/4
@ -2378,8 +2378,8 @@ enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
-                      { check_cpp_condition x264.h "X264_BUILD >= 78" ||
-                        die "ERROR: libx264 version must be >= 0.78."; }
+                      { check_cpp_condition x264.h "X264_BUILD >= 79" ||
+                        die "ERROR: libx264 version must be >= 0.79."; }
 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib

--- a/ffpresets/libx264-baseline.ffpreset
+++ b/ffpresets/libx264-baseline.ffpreset
@ -1,3 +1,4 @@
 coder=0
 bf=0
 flags2=-wpred-dct8x8
+wpredp=0
--- a/ffpresets/libx264-default.ffpreset
+++ b/ffpresets/libx264-default.ffpreset
@ -19,3 +19,4 @@ refs=3
 directpred=1
 trellis=1
 flags2=+mixed_refs+wpred+dct8x8+fastpskip
+wpredp=2
--- a/ffpresets/libx264-fastfirstpass.ffpreset
+++ b/ffpresets/libx264-fastfirstpass.ffpreset
@ -3,7 +3,7 @@ flags=+loop
 cmp=+chroma
 partitions=-parti8x8-parti4x4-partp8x8-partp4x4-partb8x8
 me_method=dia
-subq=1
+subq=2
 me_range=16
 g=250
 keyint_min=25
@ -19,3 +19,4 @@ refs=1
 directpred=3
 trellis=0
 flags2=-bpyramid-wpred-mixed_refs-dct8x8+fastpskip
+wpredp=2
--- a/ffpresets/libx264-hq.ffpreset
+++ b/ffpresets/libx264-hq.ffpreset
@ -19,3 +19,4 @@ refs=4
 directpred=3
 trellis=1
 flags2=+wpred+mixed_refs+dct8x8+fastpskip
+wpredp=2
--- a/ffpresets/libx264-ipod320.ffpreset
+++ b/ffpresets/libx264-ipod320.ffpreset
@ -4,3 +4,4 @@ flags2=-wpred-dct8x8
 level=13
 maxrate=768000
 bufsize=3000000
+wpredp=0
--- a/ffpresets/libx264-ipod640.ffpreset
+++ b/ffpresets/libx264-ipod640.ffpreset
@ -5,3 +5,4 @@ flags2=-wpred-dct8x8
 level=30
 maxrate=10000000
 bufsize=10000000
+wpredp=0
--- a/ffpresets/libx264-lossless_fast.ffpreset
+++ b/ffpresets/libx264-lossless_fast.ffpreset
@ -17,3 +17,4 @@ qdiff=4
 directpred=1
 flags2=+fastpskip
 cqp=0
+wpredp=0
--- a/ffpresets/libx264-lossless_max.ffpreset
+++ b/ffpresets/libx264-lossless_max.ffpreset
@ -18,3 +18,4 @@ refs=16
 directpred=1
 flags2=+mixed_refs+dct8x8+fastpskip
 cqp=0
+wpredp=2
--- a/ffpresets/libx264-lossless_medium.ffpreset
+++ b/ffpresets/libx264-lossless_medium.ffpreset
@ -17,3 +17,4 @@ qdiff=4
 directpred=1
 flags2=+fastpskip
 cqp=0
+wpredp=2
--- a/ffpresets/libx264-lossless_slow.ffpreset
+++ b/ffpresets/libx264-lossless_slow.ffpreset
@ -18,3 +18,4 @@ refs=2
 directpred=1
 flags2=+dct8x8+fastpskip
 cqp=0
+wpredp=2
--- a/ffpresets/libx264-lossless_slower.ffpreset
+++ b/ffpresets/libx264-lossless_slower.ffpreset
@ -18,3 +18,4 @@ refs=4
 directpred=1
 flags2=+mixed_refs+dct8x8+fastpskip
 cqp=0
+wpredp=2
--- a/ffpresets/libx264-max.ffpreset
+++ b/ffpresets/libx264-max.ffpreset
@ -19,3 +19,4 @@ refs=16
 directpred=3
 trellis=2
 flags2=+wpred+mixed_refs+dct8x8-fastpskip
+wpredp=2
--- a/ffpresets/libx264-normal.ffpreset
+++ b/ffpresets/libx264-normal.ffpreset
@ -19,3 +19,4 @@ refs=2
 directpred=3
 trellis=0
 flags2=+wpred+dct8x8+fastpskip
+wpredp=2
--- a/ffpresets/libx264-slowfirstpass.ffpreset
+++ b/ffpresets/libx264-slowfirstpass.ffpreset
@ -19,3 +19,4 @@ refs=1
 directpred=3
 trellis=0
 flags2=+wpred+dct8x8+fastpskip
+wpredp=2
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@ -30,7 +30,7 @@
 #include "libavutil/avutil.h"

 #define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 41
+#define LIBAVCODEC_VERSION_MINOR 42
 #define LIBAVCODEC_VERSION_MICRO  0

 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@ -2554,6 +2554,16 @@ typedef struct AVCodecContext {
     * - decoding: Set by libavcodec, user can override.
     */
    int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
+
+    /**
+     * explicit P-frame weighted prediction analysis method
+     * 0: off
+     * 1: fast blind weighting (one reference duplicate with -1 offset)
+     * 2: smart weighting (full fade detection analysis)
+     * - encoding: Set by user.
+     * - decoding: unused
+     */
+    int weighted_p_pred;
 } AVCodecContext;

 /**
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@ -228,6 +228,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
    x4->params.analyse.i_direct_mv_pred  = avctx->directpred;

    x4->params.analyse.b_weighted_bipred = avctx->flags2 & CODEC_FLAG2_WPRED;
+    x4->params.analyse.i_weighted_pred = avctx->weighted_p_pred;

    if (avctx->me_method == ME_EPZS)
        x4->params.analyse.i_me_method = X264_ME_DIA;
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@ -124,6 +124,7 @@ static const AVOption options[]={
 {"b_qfactor", "qp factor between p and b frames", OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, 1.25, -FLT_MAX, FLT_MAX, V|E},
 {"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
 {"b_strategy", "strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
+{"wpredp", "weighted prediction analysis method", OFFSET(weighted_p_pred), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
 {"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
 {"ps", "rtp payload size in bytes", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
 {"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},