[FFmpeg-cvslog] avcodec/libvpxenc: add VP8/9 sharpness config option
Rene Claus
git at videolan.org
Mon Dec 24 23:21:13 EET 2018
ffmpeg | branch: master | Rene Claus <rclaus-at-google.com at ffmpeg.org> | Fri Dec 21 10:36:03 2018 -0800| [6a8cc8696339f9c494da9aa54068c7dc07f75298] | committer: James Zern
avcodec/libvpxenc: add VP8/9 sharpness config option
This commit adds configuration options to libvpxenc.c that can be used to
tune the sharpness parameter for VP8 and VP9.
Signed-off-by: Rene Claus <rclaus at google.com>
Signed-off-by: James Zern <jzern at google.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6a8cc8696339f9c494da9aa54068c7dc07f75298
---
doc/encoders.texi | 4 ++++
libavcodec/libvpxenc.c | 6 ++++++
2 files changed, 10 insertions(+)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 3d5b9fc2d2..c6fe923ec7 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.
+ at item sharpness @var{integer}
+Increase sharpness at the expense of lower PSNR.
+The valid range is [0, 7].
+
@item VP8-specific options
@table @option
@item ts-parameters
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 39af586790..c823b8ad8b 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -76,6 +76,7 @@ typedef struct VPxEncoderContext {
struct FrameListData *coded_frame_list;
int cpu_used;
+ int sharpness;
/**
* VP8 specific flags, see VP8F_* below.
*/
@@ -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",
@@ -751,6 +753,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
return AVERROR(EINVAL);
}
+ if (ctx->sharpness >= 0)
+ codecctl_int(avctx, VP8E_SET_SHARPNESS, ctx->sharpness);
+
if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8) {
#if FF_API_PRIVATE_OPT
FF_DISABLE_DEPRECATION_WARNINGS
@@ -1193,6 +1198,7 @@ static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt,
{"arnr_strength", "altref noise reduction filter strength", offsetof(VPxContext, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, \
{"arnr_type", "altref noise reduction filter type", offsetof(VPxContext, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, \
{"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VPxContext, lag_in_frames), AV_OPT_TYPE_INT, {.i64 = 25}, 0, 25, VE}, \
+ {"sharpness", "Increase sharpness at the expense of lower PSNR", offsetof(VPxContext, sharpness), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, VE},
#if CONFIG_LIBVPX_VP8_ENCODER
static const AVOption vp8_options[] = {
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