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avcodec/libaomenc.c: Add a libaom command-line option 'tune'

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Signed-off-by: Wang Cao <wangcao@google.com>
Signed-off-by: James Zern <jzern@google.com>
This commit is contained in:
Wang Cao 2020-04-04 05:00:26 +08:00 committed by James Zern
parent 9f4054a0cb
commit bd3389e9f4
3 changed files with 17 additions and 1 deletions
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9
doc/encoders.texi
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@ -1508,6 +1508,15 @@ Complexity-based.
Cyclic refresh.
@end table
@item tune (@emph{tune})
Set the distortion metric the encoder is tuned with. Default is @code{psnr}.
@table @samp
@item psnr (@emph{0})
@item ssim (@emph{1})
@end table
@item lag-in-frames
Set the maximum number of frames which the encoder may keep in flight
at any one time for lookahead purposes. Defaults to the internal

7
libavcodec/libaomenc.c
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@ -94,6 +94,7 @@ typedef struct AOMEncoderContext {
int enable_intrabc;
int enable_restoration;
int usage;
int tune;
} AOMContext;
static const char *const ctlidstr[] = {
@ -132,6 +133,7 @@ static const char *const ctlidstr[] = {
[AV1E_SET_ENABLE_INTRABC] = "AV1E_SET_ENABLE_INTRABC",
#endif
[AV1E_SET_ENABLE_CDEF] = "AV1E_SET_ENABLE_CDEF",
[AOME_SET_TUNING] = "AOME_SET_TUNING",
};
static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
@ -699,6 +701,8 @@ static av_cold int aom_init(AVCodecContext *avctx,
codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
if (ctx->crf >= 0)
codecctl_int(avctx, AOME_SET_CQ_LEVEL, ctx->crf);
if (ctx->tune >= 0)
codecctl_int(avctx, AOME_SET_TUNING, ctx->tune);
codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
@ -1096,6 +1100,9 @@ static const AVOption options[] = {
{ "usage", "Quality and compression efficiency vs speed tradeof", OFFSET(usage), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, VE, "usage"},
{ "good", "Good quality", 0, AV_OPT_TYPE_CONST, {.i64 = 0 /* AOM_USAGE_GOOD_QUALITY */}, 0, 0, VE, "usage"},
{ "realtime", "Realtime encoding", 0, AV_OPT_TYPE_CONST, {.i64 = 1 /* AOM_USAGE_REALTIME */}, 0, 0, VE, "usage"},
{ "tune", "The metric that the encoder tunes for. Automatically chosen by the encoder by default", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, AOM_TUNE_SSIM, VE, "tune"},
{ "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_PSNR}, 0, 0, VE, "tune"},
{ "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, "tune"},
{ NULL },
};

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#define LIBAVCODEC_VERSION_MAJOR 58
#define LIBAVCODEC_VERSION_MINOR 78
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_MICRO 102
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \