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 D73E741A2B for ; Fri, 12 Jan 2024 08:30:45 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 943CC68D08A; Fri, 12 Jan 2024 10:30:07 +0200 (EET) Received: from haasn.dev (haasn.dev [78.46.187.166]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6BE7368D068 for ; Fri, 12 Jan 2024 10:29:59 +0200 (EET) Received: from haasn.dev (unknown [10.30.0.2]) by haasn.dev (Postfix) with ESMTP id E7DCF4B78B; Fri, 12 Jan 2024 09:29:58 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=haasn.xyz; s=mail; t=1705048199; bh=piqyGAbZJokKNtm//g8SNBMv8xisqOrcm4RBXAeEmqw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sOprgXpMJ3h2NVzi5b70Ea+Gg7YD3ViDGkbtSpNWfqLWyGlPqD+5RlyKUCdlmFo7y fpK8B+RAxjnCNtJ+vw5pxFCTPigckb4a4sOJnIxbcygMzviaFFOnug3ce37jr7rGru llKpMC1gKtaNxpPQcLW0BGaAuKUBeXI8+d3xLqQE= From: Niklas Haas To: ffmpeg-devel@ffmpeg.org Date: Fri, 12 Jan 2024 09:26:01 +0100 Message-ID: <20240112082950.41637-5-ffmpeg@haasn.xyz> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240112082950.41637-1-ffmpeg@haasn.xyz> References: <20240112082950.41637-1-ffmpeg@haasn.xyz> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 04/11] avcodec: add YUV color space metadata to AVCodec 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: Niklas Haas 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: From: Niklas Haas This is motivated primarily by a desire for YUVJ removal, which will require signalling the supported color ranges as part of the codec capabilities. But since we're adding YUV range, we might as well add the YUV color matrix as well - since some codecs (e.g. VP8, JPEG) only support certain values. I decided to preserve the ambiguous and misleading "color_spaces" name, for symmetry with AVFrame.colorspace. (Though this would IMO be better called "color_matrix" or "color_system") I also decided to omit the other AVColor* fields for now, because vf_scale cannot handle auto-conversion between primaries/transfer/etc. There is little value in adding metadata we cannot do anything with, and no harm in extending the API again in the future. In theory, vf_scale can handle conversion between chroma locations, but also the signalling for this is annoying, so I'll defer it to a future commit. --- doc/APIchanges | 3 +++ libavcodec/codec.h | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/doc/APIchanges b/doc/APIchanges index e477ed78e0..99eeda1779 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09 API changes, most recent first: +2023-11-xx - xxxxxxxxxx - lavc 60.37.100 - avcodec.h + Add AVCodec.color_ranges and AVCodec.color_spaces. + 2023-11-xx - xxxxxxxxxx - lavfi 9.16.100 - buffersink.h buffersrc.h Add av_buffersink_get_colorspace and av_buffersink_get_color_range. Add AVBufferSrcParameters.color_space and AVBufferSrcParameters.color_range. diff --git a/libavcodec/codec.h b/libavcodec/codec.h index 8034f1a53c..8bd678de7a 100644 --- a/libavcodec/codec.h +++ b/libavcodec/codec.h @@ -235,6 +235,12 @@ typedef struct AVCodec { * Array of supported channel layouts, terminated with a zeroed layout. */ const AVChannelLayout *ch_layouts; + + /** + * Array of supported YUV color formats. Ignored for RGB/Gray formats. + */ + const enum AVColorRange *color_ranges; ///< terminated by AVCOL_RANGE_UNSPECIFIED + const enum AVColorSpace *color_spaces; ///< terminated by AVCOL_SPC_UNSPECIFIED } AVCodec; /** -- 2.43.0 _______________________________________________ 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".