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| author | Luca Barbato <lu_zero@gentoo.org> | 2011-09-16 04:30:10 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2011-09-16 07:56:17 -0700 |
| commit | 3a78fb57de0b8ee800d91c69e395b685e285a63b (patch) | |
| tree | 02267a87bfce2f71a340e7b8b2cc5f539f54140b | |
| parent | b59efc94347ccf0cbc2ff14a5a9e99819c5bdc4d (diff) | |
| download | ffmpeg-3a78fb57de0b8ee800d91c69e395b685e285a63b.tar.gz | |
libx264: introduce slice-max-size option
Yet another option useful for low latency streaming.
| -rw-r--r-- | libavcodec/libx264.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c index fc0ba150b6..5331bc96b6 100644 --- a/libavcodec/libx264.c +++ b/libavcodec/libx264.c @@ -64,6 +64,7 @@ typedef struct X264Context { float cplxblur; char *partitions; int direct_pred; + int slice_max_size; } X264Context; static void X264_log(void *p, int level, const char *fmt, va_list args) @@ -390,6 +391,9 @@ static av_cold int X264_init(AVCodecContext *avctx) if (x4->direct_pred >= 0) x4->params.analyse.i_direct_mv_pred = x4->direct_pred; + if (x4->slice_max_size >= 0) + x4->params.i_slice_max_size = x4->slice_max_size; + if (x4->fastfirstpass) x264_param_apply_fastfirstpass(&x4->params); @@ -496,6 +500,7 @@ static const AVOption options[] = { { "spatial", NULL, 0, FF_OPT_TYPE_CONST, { X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" }, { "temporal", NULL, 0, FF_OPT_TYPE_CONST, { X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" }, { "auto", NULL, 0, FF_OPT_TYPE_CONST, { X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" }, + { "slice-max-size","Constant quantization parameter rate control method",OFFSET(slice_max_size), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE }, { NULL }, }; |