This commit adds configuration options to libvpxenc.c that can be used to
tune the sharpness parameter of the loop filter for VP8 and VP9.
Signed-off-by: Rene Claus <rcl...@google.com>
---
doc/encoders.texi | 4 ++++
libavcodec/libvpxenc.c | 5 +++++
2 files changed, 9 insertions(+)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index ca3892d682..4d06bbe4bf 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1767,6 +1767,10 @@ Set number of frames to look ahead for frametype and
ratecontrol.
@item error-resilient
Enable error resiliency features.
+@item sharpness @var{integer}
+Set loop filter sharpness.
+The valid range is [0, 7]. Default: 0
+
@item VP8-specific options
@table @option
@item ts-parameters
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 39af586790..174e0b9b0e 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -115,6 +115,7 @@ typedef struct VPxEncoderContext {
int tune_content;
int corpus_complexity;
int tpl_model;
+ int sharpness;
} VPxContext;
/** String mappings for enum vp8e_enc_control_id */
@@ -130,6 +131,7 @@ static const char *const ctlidstr[] = {
[VP8E_SET_TUNING] = "VP8E_SET_TUNING",
[VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
[VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
+ [VP8E_SET_SHARPNESS] = "VP8E_SET_SHARPNESS",
#if CONFIG_LIBVPX_VP9_ENCODER
[VP9E_SET_LOSSLESS] = "VP9E_SET_LOSSLESS",
[VP9E_SET_TILE_COLUMNS] = "VP9E_SET_TILE_COLUMNS",
@@ -798,6 +800,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (ctx->tpl_model >= 0)
codecctl_int(avctx, VP9E_SET_TPL, ctx->tpl_model);
#endif
+ if (ctx->sharpness >= 0)
+ codecctl_int(avctx, VP8E_SET_SHARPNESS, ctx->sharpness);
}
#endif
@@ -1251,6 +1255,7 @@ static const AVOption vp9_options[] = {
#ifdef VPX_CTRL_VP9E_SET_TPL
{ "enable-tpl", "Enable temporal dependency model",
OFFSET(tpl_model), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE },
#endif
+ { "sharpness", "Sharpness", OFFSET(sharpness), AV_OPT_TYPE_INT,
{.i64 = 0}, 0, 7, VE},
LEGACY_OPTIONS
{ NULL }
};
--
2.20.1.415.g653613c723-goog
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