Am Sa., 4. Apr. 2020 um 11:57 Uhr schrieb Ryo Hirafuji <ryo.hiraf...@gmail.com>:
>
> From: Ryo Hirafuji <ryo.hiraf...@link-u.co.jp>
>
> AV1 support lossless encoding.
> In this patch, I added a command line flag to enable it.
>
> ---
> libavcodec/libaomenc.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c
> index fb61ce82e2..4a7f4b662a 100644
> --- a/libavcodec/libaomenc.c
> +++ b/libavcodec/libaomenc.c
> @@ -94,6 +94,7 @@ typedef struct AOMEncoderContext {
> int enable_intrabc;
> int enable_restoration;
> int usage;
> + int lossless;
> } AOMContext;
>
> static const char *const ctlidstr[] = {
> @@ -130,6 +131,9 @@ static const char *const ctlidstr[] = {
> #endif
> #ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
> [AV1E_SET_ENABLE_INTRABC] = "AV1E_SET_ENABLE_INTRABC",
> +#endif
> +#ifdef AOM_CTRL_AV1E_SET_LOSSLESS
> + [AV1E_SET_LOSSLESS] = "AOM_CTRL_AV1E_SET_LOSSLESS",
> #endif
> [AV1E_SET_ENABLE_CDEF] = "AV1E_SET_ENABLE_CDEF",
> };
> @@ -154,7 +158,7 @@ static av_cold void dump_enc_cfg(AVCodecContext *avctx,
> av_log(avctx, level, "aom_codec_enc_cfg\n");
> av_log(avctx, level, "generic settings\n"
> " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
> - " %*s%u\n %*s%u\n"
> + " %*s%u\n %*s%u\n %*s%u\n"
> " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
> width, "g_usage:", cfg->g_usage,
> width, "g_threads:", cfg->g_threads,
> @@ -163,6 +167,7 @@ static av_cold void dump_enc_cfg(AVCodecContext *avctx,
> width, "g_h:", cfg->g_h,
> width, "g_bit_depth:", cfg->g_bit_depth,
> width, "g_input_bit_depth:", cfg->g_input_bit_depth,
> + width, "monochrome:", cfg->monochrome,
> width, "g_timebase:", cfg->g_timebase.num,
> cfg->g_timebase.den,
> width, "g_error_resilient:", cfg->g_error_resilient,
> width, "g_pass:", cfg->g_pass,
> @@ -751,6 +756,10 @@ static av_cold int aom_init(AVCodecContext *avctx,
> codecctl_int(avctx, AV1E_SET_MAX_REFERENCE_FRAMES, avctx->refs);
> }
> #endif
> +#ifdef AOM_CTRL_AV1E_SET_LOSSLESS
> + if (ctx->lossless >= 0)
> + codecctl_int(avctx, AV1E_SET_LOSSLESS, ctx->lossless);
> +#endif
> #ifdef AOM_CTRL_AV1E_SET_ROW_MT
> if (ctx->row_mt >= 0)
> codecctl_int(avctx, AV1E_SET_ROW_MT, ctx->row_mt);
> @@ -1132,6 +1141,7 @@ 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"},
> + { "lossless", "Lossless encoding", OFFSET(lossless),
> AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
Is it possible to use "cfr 0" instead?
Carl Eugen
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