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[153.162.21.151]) by smtp.gmail.com with ESMTPSA id z15sm7503466pfg.152.2020.04.04.02.56.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Apr 2020 02:56:50 -0700 (PDT) From: Ryo Hirafuji To: ffmpeg-devel@ffmpeg.org Date: Sat, 4 Apr 2020 18:56:43 +0900 Message-Id: <20200404095643.128435-2-ryo.hirafuji@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 2/2] lavc/libaomenc: Support lossless encoding X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Ryo Hirafuji Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Ryo Hirafuji 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}, { NULL }, };