From 68fc9c272be53c4dc738d8f7edffffbf4616d5c1 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 21 May 2005 22:03:24 +0000
Subject: [PATCH] b frame strategy set emu edge if lowres
Originally committed as revision 4299 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
ffmpeg.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/ffmpeg.c b/ffmpeg.c
index bd4d2f5560e..4909e50a06f 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -141,6 +141,7 @@ static int video_codec_id = CODEC_ID_NONE;
static int video_codec_tag = 0;
static int same_quality = 0;
static int b_frames = 0;
+static int b_strategy = 0;
static int mb_decision = FF_MB_DECISION_SIMPLE;
static int ildct_cmp = FF_CMP_VSAD;
static int mb_cmp = FF_CMP_SAD;
@@ -2944,6 +2945,7 @@ static void opt_input_file(const char *filename)
enc->debug = debug;
enc->debug_mv = debug_mv;
enc->lowres= lowres;
+ if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
if(bitexact)
enc->flags|= CODEC_FLAG_BITEXACT;
if(me_threshold)
@@ -3241,7 +3243,7 @@ static void opt_output_file(const char *filename)
}
if (b_frames) {
video_enc->max_b_frames = b_frames;
- video_enc->b_frame_strategy = 0;
+ video_enc->b_frame_strategy = b_strategy;
video_enc->b_quant_factor = 2.0;
}
if (do_interlace_dct) {
@@ -3997,7 +3999,7 @@ const OptionDef options[] = {
{ "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
{ "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
{ "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
-// { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
+ { "b_strategy", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&b_strategy}, "dynamic b frame selection strategy", "strategy" },
{ "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
{ "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
{ "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
--
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