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| author | Anton Khirnov <anton@khirnov.net> | 2011-08-22 07:55:34 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2011-08-24 14:33:40 +0200 |
| commit | 4ae30cac228e0987faa528e7e6305a52712b5ad9 (patch) | |
| tree | 07ec7d48ca633d0a9a9b78be24c00a9c47bb0a3a /libavcodec/libx264.c | |
| parent | c5dd0bc4ca977924825a74080ff1c294dda01427 (diff) | |
| download | ffmpeg-4ae30cac228e0987faa528e7e6305a52712b5ad9.tar.gz | |
libx264: add 'crf_max' private option.
Deprecate corresponding global option.
Diffstat (limited to 'libavcodec/libx264.c')
| -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 435f228b80..ebbb217a46 100644 --- a/libavcodec/libx264.c +++ b/libavcodec/libx264.c @@ -42,6 +42,7 @@ typedef struct X264Context { char *profile; int fastfirstpass; float crf; + float crf_max; int cqp; int aq_mode; float aq_strength; @@ -294,6 +295,9 @@ static av_cold int X264_init(AVCodecContext *avctx) x4->params.rc.i_rc_method = X264_RC_CQP; x4->params.rc.i_qp_constant = x4->cqp; } + + if (x4->crf_max >= 0) + x4->params.rc.f_rf_constant_max = x4->crf_max; } if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy && @@ -410,6 +414,7 @@ static const AVOption options[] = { { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), FF_OPT_TYPE_INT, { 1 }, 0, 1, VE}, { "crf", "Select the quality for constant quality mode", OFFSET(crf), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE }, + { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), FF_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE }, { "cqp", "Constant quantization parameter rate control method",OFFSET(cqp), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE }, { "aq_mode", "AQ method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "aq_mode"}, { "none", NULL, 0, FF_OPT_TYPE_CONST, {X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" }, |