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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@google.com>
Signed-off-by: James Zern <jzern@google.com>
This commit is contained in:
Rene Claus 2018-12-21 10:36:03 -08:00 committed by James Zern
parent f652c7a45c
commit 6a8cc86963
2 changed files with 10 additions and 0 deletions
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4
doc/encoders.texi
View File

@ -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}
Increase sharpness at the expense of lower PSNR.
The valid range is [0, 7].
@item VP8-specific options
@table @option
@item ts-parameters

6
libavcodec/libvpxenc.c
View File

@ -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[] = {