[MPlayer-dev-eng] [PATCH] support setting lavc low delay encoding
Reimar Döffinger
Reimar.Doeffinger at stud.uni-karlsruhe.de
Tue Sep 4 12:49:21 CEST 2007
Hello,
I had this patch lying around. I don't consider it too useful, but it's
not much code.
Do you think it is okay to apply?
Greetings,
Reimar Döffinger
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Index: DOCS/man/en/mplayer.1
===================================================================
--- DOCS/man/en/mplayer.1 (revision 24337)
+++ DOCS/man/en/mplayer.1 (working copy)
@@ -8861,6 +8861,10 @@
quality at fixed bitrate) at a lesser cost than with VHQ (default: on).
.
.TP
+.B (no)lowdelay
+Sets the low delay flag for MPEG1/2 (disables B-frames, default: off).
+.
+.TP
.B (no)cartoon
Activate this if your encoded sequence is an anime/\:cartoon.
It modifies some Xvid internal thresholds so Xvid takes better decisions on
Index: libmpcodecs/ve_lavc.c
===================================================================
--- libmpcodecs/ve_lavc.c (revision 24337)
+++ libmpcodecs/ve_lavc.c (working copy)
@@ -111,6 +111,7 @@
static int lavc_param_dia_size= 0;
static int lavc_param_qpel= 0;
static int lavc_param_trell= 0;
+static int lavc_param_lowdelay= 0;
static int lavc_param_bit_exact = 0;
static int lavc_param_aic= 0;
static int lavc_param_aiv= 0;
@@ -242,6 +243,7 @@
{"dia", &lavc_param_dia_size, CONF_TYPE_INT, CONF_RANGE, -2000, 2000, NULL},
{"qpel", &lavc_param_qpel, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_QPEL, NULL},
{"trell", &lavc_param_trell, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_TRELLIS_QUANT, NULL},
+ {"lowdelay", &lavc_param_lowdelay, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_LOW_DELAY, NULL},
{"last_pred", &lavc_param_last_pred, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
{"preme", &lavc_param_pre_me, CONF_TYPE_INT, CONF_RANGE, 0, 2000, NULL},
{"subq", &lavc_param_me_subpel_quality, CONF_TYPE_INT, CONF_RANGE, 0, 8, NULL},
@@ -540,6 +542,7 @@
lavc_venc_context->dia_size= lavc_param_dia_size;
lavc_venc_context->flags|= lavc_param_qpel;
lavc_venc_context->flags|= lavc_param_trell;
+ lavc_venc_context->flags|= lavc_param_lowdelay;
lavc_venc_context->flags|= lavc_param_bit_exact;
lavc_venc_context->flags|= lavc_param_aic;
lavc_venc_context->flags|= lavc_param_aiv;
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