Yet another option useful for low latency streaming.
---
libavcodec/libx264.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index fc0ba15..5331bc9 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 },
};
--
1.7.6.1
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