diff options
| -rw-r--r-- | DOCS/man/en/mplayer.1 | 9 | ||||
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | libmpcodecs/ve_x264.c | 4 |
3 files changed, 14 insertions, 1 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index b3356ba49d..285ace3de2 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -7463,6 +7463,15 @@ but temporal often looks better. direct_pred=0 is usually both slower and lower quality. . .TP +.B (no)weight_b +Use weighted prediction in B-frames. +Without this option, bidirectionally predicted macroblocks give +equal weight to each reference frame. +With this option, the weights are determined by the temporal position +of the B-frame relative to the references. +Requires bframes > 1. +. +.TP .B (no)b8x8mv Use additional macroblock types b16x8, b8x16, b8x8 (default: enabled). Without this option, B-frames will use only types @@ -5906,7 +5906,7 @@ cat > $TMPC << EOF #include <stdint.h> #include <stdarg.h> #include <x264.h> -#if X264_BUILD < 0x0011 +#if X264_BUILD < 0x0012 #error We do not support old versions of x264. Get the latest from SVN. #endif int main(void) { x264_encoder_open((void*)0); return 0; } diff --git a/libmpcodecs/ve_x264.c b/libmpcodecs/ve_x264.c index 9677eca343..3afff76d8b 100644 --- a/libmpcodecs/ve_x264.c +++ b/libmpcodecs/ve_x264.c @@ -74,6 +74,7 @@ static int p4x4mv = 0; static int p8x8mv = 1; static int b8x8mv = 1; static int direct_pred = X264_DIRECT_PRED_TEMPORAL; +static int weight_b = 0; static float ip_factor = 1.4; static float pb_factor = 1.3; static int rc_buffer_size = -1; @@ -114,6 +115,8 @@ m_option_t x264encopts_conf[] = { {"b8x8mv", &b8x8mv, CONF_TYPE_FLAG, 0, 0, 1, NULL}, {"nob8x8mv", &b8x8mv, CONF_TYPE_FLAG, 0, 1, 0, NULL}, {"direct_pred", &direct_pred, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL}, + {"weight_b", &weight_b, CONF_TYPE_FLAG, 0, 0, 1, NULL}, + {"noweight_b", &weight_b, CONF_TYPE_FLAG, 0, 1, 0, NULL}, {"ip_factor", &ip_factor, CONF_TYPE_FLOAT, CONF_RANGE, -10.0, 10.0, NULL}, {"pb_factor", &pb_factor, CONF_TYPE_FLOAT, CONF_RANGE, -10.0, 10.0, NULL}, {"rc_buffer_size", &rc_buffer_size, CONF_TYPE_INT, CONF_RANGE, 0, 24000000, NULL}, @@ -215,6 +218,7 @@ static int config(struct vf_instance_s* vf, int width, int height, int d_width, if(b8x8mv) mod->param.analyse.inter |= X264_ANALYSE_BSUB16x16; mod->param.analyse.i_direct_mv_pred = direct_pred; + mod->param.analyse.b_weighted_bipred = weight_b; mod->param.i_width = width; mod->param.i_height = height; |