From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 2D80F42E12 for ; Mon, 9 May 2022 13:44:42 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 46FE468B3C3; Mon, 9 May 2022 16:44:22 +0300 (EEST) Received: from mail-il1-f174.google.com (mail-il1-f174.google.com [209.85.166.174]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 9B75E68B3B5 for ; Mon, 9 May 2022 16:44:15 +0300 (EEST) Received: by mail-il1-f174.google.com with SMTP id f5so9293872ilj.13 for ; Mon, 09 May 2022 06:44:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=MtMuKzoadrPIV8Brv1IgW+EwCA+yHPI3qMQoQ+Dj1S4=; b=ntTjp130Jx/Yt+zn21OSY71camCGQ8l4BoRWpUcej7hLpQ25gAKsm8OGEsxFBO6gPb 5Ziv6Lh57JQRZaLkgOrWEqc+841B4DgKr0v4FVKNFUctief65pRfziRPFDTiIIQpApSg MJ1xJqXSNFEhJ3ErEcbxjw8CPSSbyEF7s+87Zo3iX1Yj1ph+RA3dpDRD8PnoFihbiJBO 60AFSd5O2U7s1Yd4rC2EUsPPds2PFob5AzSswWHWlIhBZuB4B3qMC4H7WLM0fWml7rhl khkSuD6ponzl0264HvN5X4NvIK9j7kWMs4WjrujumCdu2R87JWVCH6y3+0COKHRJihyX LElw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=MtMuKzoadrPIV8Brv1IgW+EwCA+yHPI3qMQoQ+Dj1S4=; b=HWYVbNlNznkZskInTbbJpQQ+y1ZokggR+A1TwF9kYfoGwkeh4RZfL89r1+jVDcf7SR s8zTcNpF63YPur1PkmugSkeVtrJDTHmCF5tvg4lYXNa1wP3S+o4h3VLmDtpwbdBIiO8s UfUj9YFMkIHVOO3GbL7ahzJU6he+c33zvdcxkxrU8jhLaMs4klFmGsKoGgUlGNH1qUGg 6kwny2OrhpihHmiTd9UAS/WvfQzukXcJROZX6o0C7hadlzliUbHcbZEwL0SrlxEceCar eLdfeVW855iJe5UWQ1Qp7SAZNVgCki9tNjFGwsT5nmMZZgXCVDltWsjBy0gcTJ5La9+0 l7aQ== X-Gm-Message-State: AOAM530bJjVl1SilyEOBpD0CskT/MQ6YqaFj7yKi8ARXRRdomTWXiv30 CxyIDF5s6NYb0ndmwz1bKOUOAbxZLUQ= X-Google-Smtp-Source: ABdhPJz6gs/IrEiNKvSPRCvumcp0TzgSccpB+MrdjIG7PFJP/0yzNm7kq6lHOgVo20zpMxYOYQ4zMQ== X-Received: by 2002:a05:6e02:18cf:b0:2cf:51d1:f694 with SMTP id s15-20020a056e0218cf00b002cf51d1f694mr6885411ilu.310.1652103854347; Mon, 09 May 2022 06:44:14 -0700 (PDT) Received: from gauss.local (c-68-41-54-207.hsd1.mi.comcast.net. [68.41.54.207]) by smtp.gmail.com with ESMTPSA id r8-20020a92ce88000000b002cde6e35300sm3098448ilo.74.2022.05.09.06.44.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 May 2022 06:44:14 -0700 (PDT) From: Leo Izen To: ffmpeg-devel@ffmpeg.org Date: Mon, 9 May 2022 09:43:55 -0400 Message-Id: <20220509134355.83745-3-leo.izen@gmail.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220509134355.83745-1-leo.izen@gmail.com> References: <20220509134355.83745-1-leo.izen@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v6 2/2] avcodec/libjxlenc: properly read input colorspace X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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: Leo Izen Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Whether an ICC profile is present or not, the libjxl encoder wrapper should now properly read colorspace tags and forward them to libjxl appropriately, rather than just assume sRGB as before. It will also print warnings when colorimetric assumptions are made about the input data. --- libavcodec/libjxlenc.c | 124 +++++++++++++++++++++++++++++++---------- 1 file changed, 94 insertions(+), 30 deletions(-) diff --git a/libavcodec/libjxlenc.c b/libavcodec/libjxlenc.c index 8bebec6aeb..4c7c838018 100644 --- a/libavcodec/libjxlenc.c +++ b/libavcodec/libjxlenc.c @@ -117,7 +117,7 @@ static int libjxl_init_jxl_encoder(AVCodecContext *avctx) return AVERROR_EXTERNAL; } - /* check for negative zero, our default */ + /* check for negative, our default */ if (ctx->distance < 0.0) { /* use ffmpeg.c -q option if passed */ if (avctx->flags & AV_CODEC_FLAG_QSCALE) @@ -133,7 +133,7 @@ static int libjxl_init_jxl_encoder(AVCodecContext *avctx) */ if (ctx->distance > 0.0 && ctx->distance < 0.01) ctx->distance = 0.01; - if (JxlEncoderOptionsSetDistance(ctx->options, ctx->distance) != JXL_ENC_SUCCESS) { + if (JxlEncoderSetFrameDistance(ctx->options, ctx->distance) != JXL_ENC_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to set distance: %f\n", ctx->distance); return AVERROR_EXTERNAL; } @@ -223,49 +223,113 @@ static int libjxl_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFra info.exponent_bits_per_sample = info.bits_per_sample > 16 ? 8 : 5; info.alpha_exponent_bits = info.alpha_bits ? info.exponent_bits_per_sample : 0; jxl_fmt.data_type = info.bits_per_sample > 16 ? JXL_TYPE_FLOAT : JXL_TYPE_FLOAT16; - JxlColorEncodingSetToLinearSRGB(&jxl_color, info.num_color_channels == 1); } else { info.exponent_bits_per_sample = 0; info.alpha_exponent_bits = 0; jxl_fmt.data_type = info.bits_per_sample <= 8 ? JXL_TYPE_UINT8 : JXL_TYPE_UINT16; - JxlColorEncodingSetToSRGB(&jxl_color, info.num_color_channels == 1); } - if (info.bits_per_sample > 16 - || info.xsize > (1 << 18) || info.ysize > (1 << 18) - || (info.xsize << 4) * (info.ysize << 4) > (1 << 20)) { - /* - * must upgrade codestream to level 10, from level 5 - * the encoder will not do this automatically - */ - if (JxlEncoderSetCodestreamLevel(ctx->encoder, 10) != JXL_ENC_SUCCESS) { - av_log(avctx, AV_LOG_ERROR, "Could not upgrade JXL Codestream level.\n"); - return AVERROR_EXTERNAL; - } - } + /* JPEG XL format itself does not support partial range */ + if (avctx->color_range == AVCOL_RANGE_MPEG || + avctx->color_range == AVCOL_RANGE_UNSPECIFIED && frame->color_range == AVCOL_RANGE_MPEG) + av_log(avctx, AV_LOG_ERROR, "This encoder does not support partial(tv) range, colors will be wrong!\n"); + else if (avctx->color_range != AVCOL_RANGE_JPEG && frame->color_range != AVCOL_RANGE_JPEG) + av_log(avctx, AV_LOG_WARNING, "Unknown color range, assuming full\n"); /* bitexact lossless requires there to be no XYB transform */ info.uses_original_profile = ctx->distance == 0.0; - sd = av_frame_get_side_data(frame, AV_FRAME_DATA_ICC_PROFILE); - if (sd && sd->size && JxlEncoderSetICCProfile(ctx->encoder, sd->data, sd->size) != JXL_ENC_SUCCESS) { - av_log(avctx, AV_LOG_WARNING, "Could not set ICC Profile\n"); - } else if (info.uses_original_profile) { - /* - * the color encoding is not used if uses_original_profile is false - * this just works around a bug in libjxl 0.7.0 and lower - */ - if (JxlEncoderSetColorEncoding(ctx->encoder, &jxl_color) != JXL_ENC_SUCCESS) { - av_log(avctx, AV_LOG_ERROR, "Failed to set JxlColorEncoding\n"); - return AVERROR_EXTERNAL; - } - } - if (JxlEncoderSetBasicInfo(ctx->encoder, &info) != JXL_ENC_SUCCESS) { av_log(avctx, AV_LOG_ERROR, "Failed to set JxlBasicInfo\n"); return AVERROR_EXTERNAL; } + /* rendering intent doesn't matter here + * but libjxl will whine if we don't set it */ + jxl_color.rendering_intent = JXL_RENDERING_INTENT_RELATIVE; + + switch (avctx->color_trc && avctx->color_trc != AVCOL_TRC_UNSPECIFIED + ? avctx->color_trc : frame->color_trc) { + case AVCOL_TRC_BT709: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_709; + break; + case AVCOL_TRC_LINEAR: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_LINEAR; + break; + case AVCOL_TRC_IEC61966_2_1: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_SRGB; + break; + case AVCOL_TRC_SMPTE428: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_DCI; + break; + case AVCOL_TRC_SMPTE2084: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_PQ; + break; + case AVCOL_TRC_ARIB_STD_B67: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_HLG; + break; + case AVCOL_TRC_GAMMA22: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_GAMMA; + jxl_color.gamma = 2.2; + break; + case AVCOL_TRC_GAMMA28: + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_GAMMA; + jxl_color.gamma = 2.8; + break; + default: + if (pix_desc->flags & AV_PIX_FMT_FLAG_FLOAT) { + av_log(avctx, AV_LOG_WARNING, "Unknown transfer function, assuming Linear Light\n"); + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_LINEAR; + } else { + av_log(avctx, AV_LOG_WARNING, "Unknown transfer function, assuming IEC61966-2-1/sRGB\n"); + jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_SRGB; + } + } + + /* This should be implied to be honest + * but a libjxl but makes it fail otherwise */ + if (info.num_color_channels == 1) + jxl_color.color_space = JXL_COLOR_SPACE_GRAY; + else + jxl_color.color_space = JXL_COLOR_SPACE_RGB; + + switch (avctx->color_primaries && avctx->color_primaries != AVCOL_PRI_UNSPECIFIED + ? avctx->color_primaries : frame->color_primaries) { + case AVCOL_PRI_BT709: + jxl_color.primaries = JXL_PRIMARIES_SRGB; + jxl_color.white_point = JXL_WHITE_POINT_D65; + break; + case AVCOL_PRI_BT2020: + jxl_color.primaries = JXL_PRIMARIES_2100; + jxl_color.white_point = JXL_WHITE_POINT_D65; + break; + case AVCOL_PRI_SMPTE431: + jxl_color.primaries = JXL_PRIMARIES_P3; + jxl_color.primaries = JXL_WHITE_POINT_DCI; + break; + case AVCOL_PRI_SMPTE432: + jxl_color.primaries = JXL_PRIMARIES_P3; + jxl_color.primaries = JXL_WHITE_POINT_D65; + break; + default: + av_log(avctx, AV_LOG_WARNING, "Unknown color primaries, assuming BT.709/sRGB+D65\n"); + jxl_color.primaries = JXL_PRIMARIES_SRGB; + jxl_color.white_point = JXL_WHITE_POINT_D65; + } + + sd = av_frame_get_side_data(frame, AV_FRAME_DATA_ICC_PROFILE); + if (sd && sd->size && JxlEncoderSetICCProfile(ctx->encoder, sd->data, sd->size) != JXL_ENC_SUCCESS) + av_log(avctx, AV_LOG_WARNING, "Could not set ICC Profile\n"); + if (JxlEncoderSetColorEncoding(ctx->encoder, &jxl_color) != JXL_ENC_SUCCESS) + av_log(avctx, AV_LOG_WARNING, "Failed to set JxlColorEncoding\n"); + + /* depending on basic info, level 10 might + * be required instead of level 5 */ + if (JxlEncoderGetRequiredCodestreamLevel(ctx->encoder) > 5) { + if (JxlEncoderSetCodestreamLevel(ctx->encoder, 10) != JXL_ENC_SUCCESS) + av_log(avctx, AV_LOG_WARNING, "Could not increase codestream level\n"); + } + jxl_fmt.endianness = JXL_NATIVE_ENDIAN; jxl_fmt.align = frame->linesize[0]; -- 2.36.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".